1. The utility model provides a soil erosion and water loss dynamic monitoring investigation information removes collection system, includes ground (1), disconnected cliff (2) and bottom plate (3), its characterized in that: the soil breaking cliff (2) is located on the left side of the top of the ground, the bottom plate (3) is located on the right side of the top of the ground (1), universal wheels (4) are fixedly connected to two sides of the bottom plate (3) through fixing plates, the bottoms of the universal wheels (4) are in contact with the ground, an acquisition box (5) is fixedly connected to the top of the bottom plate (3) through fixing plates, bearing plates (6) are fixedly connected to the front portion and the rear portion of an inner cavity of the acquisition box (5) through fixing blocks, a plurality of bearing plates (6) are arranged from top to bottom, pressure sensors (7) are fixedly connected to the front side and the rear side of the top of each bearing plate (6), a containing basket (8) is fixedly connected to the top of each pressure sensor (7), first sliding groove plates (9) are fixedly connected to the front portion and the rear portion of the inner cavity of each containing basket (8), and first sliding blocks (10) are slidably mounted inside the first sliding groove plates (9), two fixedly connected with pressure plate (11) between first slider (10), the anterior of pressure plate (11) bottom all passes through fixed plate fixedly connected with spring (12) with the rear portion, fixed plate fixed connection in the bottom of accomodating basket (8) inner chamber is passed through to the bottom of spring (12), the bottom of accomodating basket (8) inner chamber has trigger button (13) that cooperatees and use with pressure plate (11) through connecting plate fixed mounting, the anterior of pressure plate (11) top and the equal fixedly connected with second spout board (14) in rear portion, the inside slidable mounting of second spout board (14) has second slider (15), box (16) are gathered to the top fixedly connected with of second slider (15).

2. The device for mobile collection of water and soil loss dynamic monitoring and investigation information according to claim 1, wherein: the surface of collection box (5) is through support fixedly connected with L type aqueduct (17), and the quantity of L type aqueduct (17) is the same with collection box (16), the inside that collection box (5) and extended to collection box (5) is run through to the one end of L type aqueduct (17), a plurality of the one end that L type aqueduct (17) extend to collection box (5) inside is located the top of each collection box (16) alone respectively, through hole (18) that cooperate the use with L type aqueduct (17) are seted up on the right side at collection box (16) top.

3. The device for mobile collection of water and soil loss dynamic monitoring and investigation information according to claim 1, wherein: the right side of the soil breaking cliff (2) is provided with a sampling hole (19) matched with the L-shaped water guide pipe (17) for use, the sampling hole (19) is provided with a plurality of sampling holes from top to bottom, and the other end of the L-shaped water guide pipe (17) extends to the inside of the sampling hole (19).

4. The device for dynamically monitoring and surveying the water loss and soil erosion according to claim 2, wherein: the surface of L type aqueduct (17) and the outside that is located collection box (5) all fixedly connected with thread bush (20), the surperficial threaded connection of thread bush (20) has leak protection dish (21) that cooperatees and use with sampling hole (19), the inside fixedly connected with solenoid valve (22) of the surface of L type aqueduct (17) and being located sampling hole (19).

5. The device for mobile collection of water and soil loss dynamic monitoring and investigation information according to claim 1, wherein: the top of collection box (5) is connected with rolling disc (23) through the rotation of bearing spare, the top of rolling disc (23) is connected with screw thread section of thick bamboo (24) through the rotation of bearing spare, the inside threaded connection of screw thread section of thick bamboo (24) has threaded rod (25), the top of threaded rod (25) is through fixed plate fixedly connected with slide cartridge (26).

6. The device for dynamically monitoring and surveying the water loss and soil erosion according to claim 5, wherein: the right side fixedly connected with telescopic link (27) at rolling disc (23) top, fixed block fixed connection in the bottom of smooth section of thick bamboo (26) is passed through on the top of telescopic link (27), the upper portion on threaded rod (25) surface links firmly and connects spacing ring (28), support fixed connection in the left side of telescopic link (27) is passed through on the right side of spacing ring (28).

7. The device for dynamically monitoring and surveying the water loss and soil erosion according to claim 5, wherein: the inside slip grafting of slide cylinder (26) has L type outlet pipe (29), the top of disconnected cliff (2) is seted up and is used inlet opening (30) with L type outlet pipe (29) cooperation, the inside of inlet opening (30) is extended to one end of L type outlet pipe (29).

8. The device for mobile collection of water and soil loss dynamic monitoring and investigation information according to claim 1, wherein: the right side of collection box (5) is through fixed block fixedly connected with water tank (31), support fixedly connected with water pump (32) is passed through at the top of water tank (31), the water inlet intercommunication of water pump (32) has inlet tube (33), and the one end of inlet tube (33) runs through water tank (31) and extends to the inside of water tank (31).

9. The device for mobile collection of water and soil loss dynamic monitoring and investigation information according to claim 8, wherein: the delivery port of water pump (32) communicates has spray pipe (34), the one end intercommunication of spray pipe (34) and the right-hand member of L type outlet pipe (29), the right side of collection box (5) is articulated through the hinge have with collection box (16) cooperation use sliding door (35).

10. A water and soil loss dynamic monitoring investigation information mobile acquisition method is characterized in that: the method specifically comprises the following steps:

s1, when the device is used, firstly, a broken soil cliff (2) is found, then the collection box (5) is pushed to one side of the broken soil cliff (2), then a drilling machine is used for drilling a sampling hole (19) and a water inlet hole (30) at the fault position and the top of the broken soil cliff (2), then the collection box (5) is pushed forwards to enable the L-shaped water guide pipe (17) to be inserted into the sampling hole (19), then the collection box (5) is fixed, at the moment, the anti-leakage disc (21) can be rotated to enable the anti-leakage disc (21) to move under the action of threads and cover the sampling hole (19), then the L-shaped water outlet pipe (29) is pulled forwards through the sliding cylinder (26) and is inserted, then the threaded cylinder (24) is rotated to enable the threaded rod (25) to drive the L-shaped water outlet pipe (29) to descend into the water inlet hole (30) under the limiting effect of the limiting ring (28;

s2, the water pump (32) can be started at the moment, the water pump (32) pumps water in the water tank (31) and pours the water into the water inlet hole (30) through the L-shaped water outlet pipe (29), at the moment, the water can gradually permeate into the lower soil, and after the lower soil is flushed by water and flows, the L-shaped water guide pipes (17) guide the flowing water and soil which do not pass through the soil layer into the collection box (16);

s3, after the sample in the collection box (16) reaches a certain weight, the pressure plate (11) is pressed down, so that the pressure plate is pressed to be provided with a trigger button (13), the electromagnetic valve (22) is closed to stop sampling, meanwhile, the pressure sensor (7) can display the weight of the sample to be convenient for a worker to record, and after collection is completed, the sliding door (35) can be opened to take out the collection box (16) through the action of the second sliding block (15).

Background

The water and soil loss refers to the phenomenon that water and soil are simultaneously lost due to the influence of natural or artificial factors, rainwater cannot be absorbed on the spot, the rainwater flows down along the same trend and erodes the soil, the main reasons are large ground gradient, improper land utilization, damaged ground vegetation, unreasonable farming technology, loose soil, excessive forest cutting, excessive grazing and the like, and the harm of water and soil loss is mainly shown in the following steps: the soil plough layer is eroded and destroyed, so that the soil fertility is gradually depleted; silting rivers, channels and reservoirs, reducing the benefit of hydraulic engineering, even causing flood and drought disasters and seriously affecting industrial and agricultural production; soil erosion and water loss bring serious threats to agricultural production in mountainous areas and downstream riverways.

In actual life, related workers need to study, monitor and sample different loss areas of each region by running waves at four places to effectively solve the problem of water and soil loss, but the study process has many defects, for example, in order to dynamically monitor water and soil loss of the region, the workers must install related detection instruments in the region and wait for actual observation in heavy rain weather, the process is complicated, the efficiency is extremely low, time is wasted, and meanwhile, for sampling soil, holes are drilled by a drilling machine generally, and soil samples of different soil layers are extracted, but the loss degree of different soil layers cannot be well known by the samples.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a mobile acquisition device and a mobile acquisition method for water and soil loss dynamic monitoring and surveying information, which solve the problems that the existing process for dynamically monitoring water and soil loss areas is complicated, the time consumption is too long due to weather reasons, and the water and soil loss degree cannot be accurately known by soil sampling.

In order to achieve the purpose, the invention is realized by the following technical scheme: a water and soil loss dynamic monitoring and investigation information mobile acquisition device comprises a ground, a broken cliff and a bottom plate, wherein the broken cliff is positioned on the left side of the top of the ground, the bottom plate is positioned on the right side of the top of the ground, universal wheels are fixedly connected to two sides of the bottom plate through fixing plates, the bottoms of the universal wheels are in contact with the ground, an acquisition box is fixedly connected to the top of the bottom plate through the fixing plates, bearing plates are fixedly connected to the front part and the rear part of an inner cavity of the acquisition box through fixing blocks, a plurality of bearing plates are arranged from top to bottom, pressure sensors are fixedly connected to the front side and the rear side of the top of each bearing plate, a storage basket is fixedly connected to the top of each pressure sensor, first chute plates are fixedly connected to the front part and the rear part of the inner cavity of the storage basket, first slide blocks are slidably mounted in the first chute plates, and pressure plates are fixedly connected between the two first slide blocks, the front portion and the rear portion of pressure plate bottom all are through fixed plate fixedly connected with spring, the bottom of spring is through fixed plate fixed connection in the bottom of accomodating the basket inner chamber, the bottom of accomodating the basket inner chamber has the trigger button who cooperatees and use with the pressure plate through connecting plate fixed mounting, the front portion and the equal fixedly connected with second spout board in rear portion at pressure plate top, the inside slidable mounting of second spout board has the second slider, the box is gathered to the top fixedly connected with of second slider.

According to the scheme, the pressure sensor is installed at the bottom of the collecting box, so that the weight of a sample can be effectively detected, and collected data are provided for workers.

Preferably, the surface of the collection box is fixedly connected with L-shaped water guide pipes through a support, the number of the L-shaped water guide pipes is the same as that of the collection boxes, one end of each L-shaped water guide pipe penetrates through the collection box and extends to the inside of the collection box, one end, extending to the inside of the collection box, of each L-shaped water guide pipe is independently located above each collection box, and a through hole matched with the L-shaped water guide pipe for use is formed in the right side of the top of each collection box.

According to the scheme, the plurality of L-shaped water guide pipes are arranged, so that different samples flow into different collecting boxes, and the samples are distinguished.

Preferably, the right side of the soil breaking cliff is provided with a sampling hole matched with the L-shaped water guide pipe for use, the sampling hole is provided with a plurality of sampling holes from top to bottom, and the other end of the L-shaped water guide pipe extends to the inside of the sampling hole.

Preferably, the surface of L type aqueduct just is located the equal fixedly connected with thread bush in the outside of collection box, the surperficial threaded connection of thread bush has the leak protection dish that cooperatees and use with the sampling hole, the surface of L type aqueduct just is located the inside fixedly connected with solenoid valve of sampling hole.

Above-mentioned scheme is through the installation leak protection dish, can plug up the sampling hole, prevents that inside sample from flowing out.

Preferably, the top of the collection box is rotatably connected with a rotating disc through a bearing piece, the top of the rotating disc is rotatably connected with a threaded cylinder through the bearing piece, the internal thread of the threaded cylinder is connected with a threaded rod, and the top end of the threaded rod is fixedly connected with a sliding cylinder through a fixing plate.

Preferably, the right side fixedly connected with telescopic link at rolling disc top, fixed block fixed connection in the bottom of slide cartridge is passed through on the top of telescopic link, the upper portion on screw rod surface links firmly connects the spacing ring, support fixed connection in the left side of telescopic link is passed through on the right side of spacing ring.

By the scheme, the L-shaped water outlet pipe can be conveniently lifted and directionally adjusted, and is kept stable.

Preferably, the inside of slide cartridge slides and pegs graft and has L type outlet pipe, the top of disconnected cliff is seted up and is used the inlet opening with L type outlet pipe cooperation, the inside of inlet opening is extended to one end of L type outlet pipe.

Preferably, the right side of collection box is through fixed block fixedly connected with water tank, the top of water tank is through support fixedly connected with water pump, the water inlet intercommunication of water pump has the inlet tube, and the one end of inlet tube runs through the water tank and extends to the inside of water tank.

Above-mentioned scheme is through increasing water tank and water pump, and the rainfall of convenient simulation rainy day makes things convenient for the observation to soil erosion and water loss.

Preferably, the water outlet of the water pump is communicated with a water spraying pipe, one end of the water spraying pipe is communicated with the right end of the L-shaped water outlet pipe, and the right side of the collecting box is hinged with a sliding door matched with the collecting box for use through a hinge.

Above-mentioned scheme is through installing the sliding door to can conveniently gather taking of box.

The invention also discloses a water and soil loss dynamic monitoring investigation information mobile acquisition method, which specifically comprises the following steps:

s1, during use, firstly, a broken soil cliff is found, then the collection box is pushed to one side of the broken soil cliff, then a drilling machine is used for drilling a sampling hole and a water inlet hole at the fault position and the top of the broken soil cliff, then the collection box is pushed forwards to enable the L-shaped water guide pipe to be inserted into the sampling hole, then the collection box is fixed, at the moment, the anti-leakage disc can be rotated to enable the anti-leakage disc to move under the action of threads and cover the sampling hole, then the L-shaped water outlet pipe is pulled forwards through the sliding barrel, and then the threaded barrel is rotated to enable the threaded rod to drive the L-shaped water outlet pipe to descend under the limiting position of the limiting ring and to be inserted into the water inlet hole.

S2, the water pump can be started at the moment, the water pump pumps out the water in the water tank and injects the water into the inside of the water inlet hole through the L-shaped water outlet pipe, the water can gradually permeate into the lower soil layer at the moment, and after the lower soil layer is flushed by water and flows, the L-shaped water guide pipes can guide the flowing water and soil which do not pass through the soil layer into the collection box.

S3, can push down the pressure plate after the inside sample of collection box reaches certain weight to press down and take trigger button, make the solenoid valve close and stop the sampling, pressure sensor can show the weight of sample simultaneously and make things convenient for the staff to take notes, gathers the back of accomplishing, can open the sliding door and take out the effect of gathering the box through the second slider.

Advantageous effects

The invention provides a device and a method for mobile acquisition of water and soil loss dynamic monitoring and investigation information. Compared with the prior art, the method has the following beneficial effects:

(1) this water and soil loss dynamic monitoring investigation information removes collection system and method, it goes up and down with threaded rod drive L type outlet pipe through a screw section of thick bamboo through the top at the collection box, the top of soil layer can be inserted to the one end that makes L type outlet pipe, accessible water pump passes through the inside that L type outlet pipe spouts the soil layer with the water in the water tank afterwards, can simulate out soaking and the loss situation of each soil layer under the washing away of different size water yield effectively through this setting, the loaded down with trivial details and the long-time waiting of installation instrument have been exempted from, satisfy with staff's use.

(2) This water and soil loss dynamic monitoring investigation information removes collection system and method, set up the sampling hole through the inside on every soil layer, and at its internally mounted have L type aqueduct, the watering through L type outlet pipe can make the soil on different soil layers change, the effect through L type aqueduct can be with the leading-in inside of gathering the box of the loss sample of different soil layers water and soil this moment, thereby accomplish the collection to the sample, compare in the hard soil of drilling sample, the natural loss sample that this mode drawed more laminates the monitoring requirement, can provide more accurate data for the experiment, convenient and staff's use.

(3) This soil erosion dynamic monitoring investigation information removes collection system and method, through at the internally mounted trigger button and the pressure sensor who accomodates the basket, can make the solenoid valve close L type aqueduct and prevent that the sample from spilling over after gathering and filling up through the cooperation use of two sets of structures to pressure sensor can detect the weight of soil erosion at any time, and shows that data makes things convenient for staff's record, has greatly increased the practicality and the functionality of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the scarp structure of the present invention;

FIG. 3 is a cross-sectional view of the water box structure of the present invention;

FIG. 4 is a side view of the inventive collection box structure;

FIG. 5 is a side view of the internal structure of the collection bin of the present invention;

fig. 6 is a partial enlarged view of the invention at a in fig. 5.

In the figure: 1. a ground surface; 2. breaking the soil cliff; 3. a base plate; 4. a universal wheel; 5. a collection box; 6. a bearing plate; 7. a pressure sensor; 8. a storage basket; 9. a first chute plate; 10. a first slider; 11. a pressure plate; 12. a spring; 13. a trigger button; 14. a second chute plate; 15. a second slider; 16. a collection box; 17. an L-shaped aqueduct; 18. a port; 19. a sampling hole; 20. a threaded sleeve; 21. a leakage-proof disc; 22. an electromagnetic valve; 23. rotating the disc; 24. a threaded barrel; 25. a threaded rod; 26. a slide cylinder; 27. a telescopic rod; 28. a limiting ring; 29. an L-shaped water outlet pipe; 30. a water inlet hole; 31. a water tank; 32. a water pump; 33. a water inlet pipe; 34. a water spray pipe; 35. and (5) sliding the door.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides two technical solutions:

example one

A water and soil loss dynamic monitoring and investigation information mobile acquisition device comprises a ground 1, a soil breaking cliff 2 and a bottom plate 3, wherein the soil breaking cliff 2 is positioned on the left side of the top of the ground, the bottom plate 3 is positioned on the right side of the top of the ground 1, two sides of the bottom plate 3 are fixedly connected with universal wheels 4 through fixing plates, the bottoms of the universal wheels 4 are contacted with the ground, the top of the bottom plate 3 is fixedly connected with an acquisition box 5 through the fixing plates, the front part and the rear part of the inner cavity of the acquisition box 5 are fixedly connected with bearing plates 6 through fixing blocks, the bearing plates 6 are arranged from top to bottom, the front side and the rear side of the top of the bearing plates 6 are fixedly connected with pressure sensors 7, the top of each pressure sensor 7 is fixedly connected with an accommodating basket 8, the front part and the rear part of the inner cavity of the accommodating basket 8 are fixedly connected with first chute plates 9, first slide blocks 10 are slidably arranged in the first chute plates 9, and pressure plates 11 are fixedly connected between the two first slide blocks 10, the front portion and the rear portion of pressure plate 11 bottom all are through fixed plate fixedly connected with spring 12, and fixed plate fixed connection is passed through in the bottom of accomodating basket 8 inner chamber in the bottom of spring 12, and the bottom of accomodating basket 8 inner chamber has the trigger button 13 that cooperatees and use with pressure plate 11 through connecting plate fixed mounting.

Preferably, in order to collect a sample in the collection box 5, in the invention, the front part and the rear part of the top of the pressure plate 11 are fixedly connected with a second chute plate 14, a second slider 15 is slidably mounted in the second chute plate 14, the top of the second slider 15 is fixedly connected with a collection box 16, the surface of the collection box 5 is fixedly connected with L-shaped water conduits 17 through brackets, the number of the L-shaped water conduits 17 is the same as that of the collection box 16, one end of each L-shaped water conduit 17 penetrates through the collection box 5 and extends into the collection box 5, one end of each L-shaped water conduit 17 extending into the collection box 5 is independently located above each collection box 16, the right side of the top of the collection box 16 is provided with a through hole 18 matched with the L-shaped water conduit 17 for use, and the sample can enter the collection box 5 along with water flow by using the L-shaped water conduits 17.

As a preferable scheme, in order to sample the soil in different soil layers, in the invention, the right side of the cliff 2 is provided with a plurality of sampling holes 19 matched with the L-shaped water guide pipe 17, the sampling holes 19 are arranged from top to bottom, the other end of the L-shaped water guide pipe 17 extends into the sampling holes 19, and the sampling holes 19 are arranged, so that the samples in each layer can be collected.

Example two

A water and soil loss dynamic monitoring and investigation information mobile acquisition device comprises a ground 1, a soil breaking cliff 2 and a bottom plate 3, wherein the soil breaking cliff 2 is positioned on the left side of the top of the ground, the bottom plate 3 is positioned on the right side of the top of the ground 1, two sides of the bottom plate 3 are fixedly connected with universal wheels 4 through fixing plates, the bottoms of the universal wheels 4 are contacted with the ground, the top of the bottom plate 3 is fixedly connected with an acquisition box 5 through the fixing plates, the front part and the rear part of the inner cavity of the acquisition box 5 are fixedly connected with bearing plates 6 through fixing blocks, the bearing plates 6 are arranged from top to bottom, the front side and the rear side of the top of the bearing plates 6 are fixedly connected with pressure sensors 7, the top of each pressure sensor 7 is fixedly connected with an accommodating basket 8, the front part and the rear part of the inner cavity of the accommodating basket 8 are fixedly connected with first chute plates 9, first slide blocks 10 are slidably arranged in the first chute plates 9, and pressure plates 11 are fixedly connected between the two first slide blocks 10, the front portion and the rear portion of pressure plate 11 bottom all are through fixed plate fixedly connected with spring 12, and fixed plate fixed connection is passed through in the bottom of accomodating basket 8 inner chamber in the bottom of spring 12, and the bottom of accomodating basket 8 inner chamber has the trigger button 13 that cooperatees and use with pressure plate 11 through connecting plate fixed mounting.

Preferably, in order to collect the sample in the collection box 5, in the invention, the front part and the rear part of the top of the pressure plate 11 are fixedly connected with a second chute plate 14, a second slider 15 is slidably mounted in the second chute plate 14, the top of the second slider 15 is fixedly connected with a collection box 16, the surface of the collection box 5 is fixedly connected with L-shaped water conduits 17 through brackets, the number of the L-shaped water conduits 17 is the same as that of the collection box 16, one end of each L-shaped water conduit 17 penetrates through the collection box 5 and extends into the collection box 5, one end of each L-shaped water conduit 17 extending into the collection box 5 is independently positioned above each collection box 16, the right side of the top of the collection box 16 is provided with a through hole 18 matched with the L-shaped water conduit 17, the sample can enter the collection box 5 along with the water flow by using the L-shaped water conduit 17, the right side of the soil breaking cliff 2 is provided with a sampling hole 19 matched with the L-shaped water conduit 17, and a plurality of sampling holes 19 are arranged from top to bottom, the other end of the L-shaped water guide pipe 17 extends into the sampling holes 19, and samples on each layer can be collected by arranging the sampling holes 19.

Preferably, in order to prevent the sample from leaking in the sampling process, in the invention, threaded sleeves 20 are fixedly connected to the surfaces of the L-shaped water guide pipes 17 and the outer portions of the collection boxes 5, a leakage-proof disc 21 matched with the sampling hole 19 is connected to the surface of each threaded sleeve 20 in a threaded manner, an electromagnetic valve 22 is fixedly connected to the surface of each L-shaped water guide pipe 17 and the inner portion of the sampling hole 19, and the sampling hole 19 can be blocked by the leakage-proof disc 21 to prevent the sample from leaking.

Preferably, in order to enable the sliding barrel 26 to be lifted, in the invention, the top of the collection box 5 is rotatably connected with the rotating disc 23 through a bearing piece, the top of the rotating disc 23 is rotatably connected with the threaded barrel 24 through the bearing piece, the internal thread of the threaded barrel 24 is connected with the threaded rod 25, the top end of the threaded rod 25 is fixedly connected with the sliding barrel 26 through the fixed plate, and the threaded barrel 24 is used for driving the threaded rod 25, so that the sliding barrel 26 is lifted.

Preferably, in order to limit the threaded rod 25, in the invention, a telescopic rod 27 is fixedly connected to the right side of the top of the rotating disc 23, the top end of the telescopic rod 27 is fixedly connected to the bottom of the sliding cylinder 26 through a fixing block, a limiting ring 28 is fixedly connected to the upper part of the surface of the threaded rod 25, the right side of the limiting ring 28 is fixedly connected to the left side of the telescopic rod 27 through a bracket, and the threaded rod 27 can be kept stable in the lifting process through the matching of the telescopic rod 27 and the limiting ring 28.

Preferably, in order to enable water flow to smoothly immerse into the soil layer, in the invention, an L-shaped water outlet pipe 29 is inserted into the sliding cylinder 26 in a sliding mode, a water inlet hole 30 matched with the L-shaped water outlet pipe 29 for use is formed in the top of the soil breaking cliff 2, one end of the L-shaped water outlet pipe 29 extends into the water inlet hole 30, and the water flow can flow into the soil more quickly by forming the water inlet hole 30.

Preferably, in order to facilitate drawing, in the invention, the right side of the collection box 5 is fixedly connected with a water tank 31 through a fixed block, the top of the water tank 31 is fixedly connected with a water pump 32 through a support, a water inlet of the water pump 32 is communicated with a water inlet pipe 33, one end of the water inlet pipe 33 penetrates through the water tank 31 and extends into the water tank 31, water in the water tank 31 can be quickly, simply and conveniently drawn out through the water pump 32, in order to enable the collection box 16 to be taken out, a water outlet of the water pump 32 is communicated with a water spray pipe 34, one end of the water spray pipe 34 is communicated with the right end of the L-shaped water outlet pipe 29, the right side of the collection box 5 is hinged with a pull door 35 matched with the collection box 16 through a hinge, and a worker can conveniently take a sample through the pull door 35.

The advantages of the second embodiment over the first embodiment are: through opening the sampling hole 19 in the inside of every soil layer, and install L type aqueduct 17 in its inside, can make the soil of different soil layers change through the watering of L type outlet pipe 29, can introduce the loss sample of different soil layer soil water and soil into the inside of gathering the box 16 through the effect of L type aqueduct 17 at this moment, thus finish the collection to the sample, compared with the hard soil of drilling sample, the natural loss sample that this way draws more conforms to the monitoring requirement, can provide more accurate data for the experiment, convenient and staff's use, through installing trigger button 13 and pressure sensor 7 in the inside of taking in the basket 8, can make the solenoid valve 22 close L type aqueduct 17 after gathering and filling up and prevent the sample from overflowing through the cooperation use of two sets of structures, and pressure sensor 7 can detect the weight that the soil runs off at any time, and the convenient staff's record of display data, greatly increasing the practicability and functionality of the device

The invention also discloses a water and soil loss dynamic monitoring investigation information mobile acquisition method, which specifically comprises the following steps:

s1, when the device is used, a broken soil cliff 2 is found, the collection box 5 is pushed to one side of the broken soil cliff 2, then a drilling machine is used for drilling a sampling hole 19 and a water inlet hole 30 at the position and the top of the broken soil cliff 2, the collection box 5 is pushed forwards to enable the L-shaped water guide pipe 17 to be inserted into the sampling hole 19, then the collection box 5 is fixed, the leakage-proof disc 21 can be rotated to enable the leakage-proof disc 21 to move under the action of threads and cover the sampling hole 19, then the L-shaped water outlet pipe 29 is pulled forwards through the sliding cylinder 26, and then the threaded cylinder 24 is rotated to enable the threaded rod 25 to drive the L-shaped water outlet pipe 29 to descend under the limiting of the limiting ring 28 and to be inserted into the water inlet hole 30.

S2, the water pump 32 may be started, the water pump 32 pumps the water in the water tank 31 and fills the water into the water inlet 30 through the L-shaped water outlet pipe 29, at this time, the water gradually permeates into the lower soil, and after the lower soil is flushed by the water and flows, the L-shaped water pipes 17 guide the flowing water and soil which do not pass through the soil layer into the collection box 16.

S3, will push down pressure plate 11 after the inside sample of collection box 16 reaches certain weight to press and take trigger button 13, make solenoid valve 22 close and stop the sampling, pressure sensor 7 can show the weight of sample simultaneously and make things convenient for the staff to take notes, gathers the back of accomplishing, can open sliding door 35 and will gather box 16 and take out through the effect of second slider 15.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.