1. The utility model provides an experimental apparatus for simulation deep sea mining sea water fluctuation is to pipeline influence, including base (1), first support (2), blowing frame (3) and mixer (31), its characterized in that is equipped with three first supports (2) on base (1), is connected with blowing frame (3) between three first support (2) upper portions, and the inboard rotary type of blowing frame (3) is equipped with two mixers (31), and blowing frame (3) upper portion is equipped with clamping mechanism (4), and blowing frame (3) lower part is equipped with moving mechanism (5).

2. The experimental device for simulating the influence of seawater fluctuation in deep sea mining on the pipeline as claimed in claim 1, wherein the discharge frame (3) is slidably provided with two first slide bars (42), clamping blocks (41) are arranged on the inner sides of the first slide bars (42), the two clamping blocks (41) are in contact with each other, a hand-pulling block (43) is arranged on the outer side of each first slide bar (42), first springs (44) are wound on the two first slide bars (42), and the first springs (44) are connected between the discharge frame (3) and the hand-pulling blocks (43).

3. The experimental device for simulating the influence of seawater fluctuation in deep sea mining on the pipeline as claimed in claim 2, wherein four second supports (51) are arranged on the discharging frame (3), four third supports (52) are arranged on the discharging frame (3), the third supports (52) are located above the second supports (51), second sliding rods (53) are connected between the third supports (52) and the second supports (51), water containing frames (54) are connected between the four second sliding rods (53) in a sliding manner, the water containing frames (54) are connected with the discharging frame (3) in a sliding manner, second springs (55) are wound on the second sliding rods (53), the second springs (55) are connected between the third supports (52) and the water containing frames (54), a filter screen (56) is arranged on the upper portion of the water containing frames (54), and the filter screen (56) is connected with the discharging frame (3) in a sliding manner.

4. The experimental device for simulating the influence of seawater fluctuation in deep sea mining on the pipeline as claimed in claim 3, wherein a first sliding sleeve (61) is arranged on the water containing frame (54), a blocking rod (62) is slidably arranged on the inner side of the first sliding sleeve (61), the blocking rod (62) is slidably connected with the water containing frame (54), a compression spring (63) is wound on the blocking rod (62), the compression spring (63) is connected between the first sliding sleeve (61) and the blocking rod (62), and a pull block (64) is arranged on the blocking rod (62).

5. The experimental device for simulating the influence of seawater fluctuation in deep sea mining on the pipeline as claimed in claim 4, wherein four second sliding sleeves (71) are arranged on the material placing frame (3), a third sliding sleeve (72) is slidably arranged on the inner side of each second sliding sleeve (71), the third sliding sleeve (72) is matched with the water containing frame (54), a third spring (73) is wound on each third sliding sleeve (72), the third spring (73) is connected between the second sliding sleeve (71) and the third sliding sleeve (72), and a connecting rod (74) is connected between two adjacent third sliding sleeves (72).

6. The experimental device for simulating the influence of seawater fluctuation in deep-sea mining on the pipeline as claimed in claim 5, wherein two first support frames (81) are arranged on the discharging frame (3), two second support frames (84) are arranged on the discharging frame (3), third sliding rods (82) are arranged at the bottoms of the two first support frames (81) and the two second support frames (84), fourth sliding sleeves (83) are arranged on the four third sliding rods (82) in a sliding manner, fourth springs (85) are wound on the four third sliding rods (82), the fourth springs (85) are connected between the third sliding rods (82) and the fourth sliding sleeves (83), a collecting frame (86) is connected between the four fourth sliding sleeves (83), and the collecting frame (86) is located below the discharging frame (3).

7. The experimental device for simulating the influence of seawater fluctuation in deep-sea mining on the pipeline as claimed in claim 6, wherein four fourth supports (91) are arranged on the material-discharging frame (3), a rotating shaft (92) is rotatably connected between every two adjacent fourth supports (91), two reels (93) are arranged on each of the two rotating shafts (92), two pull ropes (94) are connected between each of the two connecting rods (74) and the collecting frame (86), and the pull ropes (94) bypass the reels (93).

8. The experimental facility for simulating the influence of the sea water fluctuation of deep-sea mining on the pipeline according to claim 7, the material loading device is characterized in that a fifth sliding sleeve (101) is arranged on two second sliding rods (53) on one side far away from the blocking rod (62) in a sliding mode, a fifth spring (102) is wound on the two second sliding rods (53) on one side far away from the blocking rod (62), the fifth spring (102) is connected between the fifth sliding sleeve (101) and the second support (51), two sixth sliding sleeves (103) are arranged on the material loading frame (3), a fourth sliding rod (105) is connected between the inner sides of the lower portions of the two sixth sliding sleeves (103) in a sliding mode, a hairbrush (104) is arranged on the fourth sliding rod (105), the hairbrush (104) is matched with the fifth sliding sleeve (101), two sixth springs (106) are wound on the fourth sliding rod (105), and the sixth spring (106) is connected between the sixth sliding sleeve (103) and the fourth sliding rod (105).

Background

Mining system is in marine environment, its mining pipeline is at the dead weight, pump package and relaying under the effect of gravity such as storehouse, can bear very big axial load, can receive the wave simultaneously, dynamic load's such as the dragging boat effect of ocean current and mining ship, need carry out experimental study to the influence that the sea water fluctuation caused to the pipeline from this, however, people sneak into in the sea and study the pipeline less reality, and the most structure of experimental apparatus on the market is too simple, the data accuracy that its was studied out is lower, in addition after current experimental apparatus accomplishes the experiment, need artifical manual clearance, waste time and energy.

Patent application CN110779703A, published as 2020.02.11, discloses an experimental device for simulating the influence of seawater fluctuation on a pipeline in deep sea mining, comprising a first motor, a coupler, an experimental centrifugal pump, a first bracket, an inlet pressure sensor, an outlet pressure sensor, a fourth pipeline, a second bracket, a switch valve and the like, wherein water is filled in a water tank, particles are put in the particle tank at the same time, the water enters the water tank through the first pipeline, the particles enter the second pipeline through a third pipeline and enter a stirrer together with the water, a mixed liquid enters an experimental pump through the fourth pipeline, pressure sensors are arranged at an inlet and an outlet of the pump, a performance curve of the pump is calculated through the measured pressure, a vibration exciter and an electromagnetic flowmeter are arranged on the fifth pipeline, so as to simulate the impact of seawater fluctuation on the pipeline, the mixed liquid enters a solid-liquid separator through the fifth pipeline, wherein the water enters the water tank through a filter screen, the particles enter the particle box through the extrusion screw, and the solid-liquid two phases are separated, however, the device has a complex structure and high economic cost.

Therefore, an experimental device for simulating the influence of the seawater fluctuation of the deep sea mining on the pipeline, which can be used for distributing and collecting materials, automatically cleaning and improving the accuracy, needs to be researched.

Disclosure of Invention

The invention aims to provide an experimental device capable of simulating the influence of seawater fluctuation in deep-sea mining on a pipeline, which can be used for separating and collecting materials, automatically cleaning and improving the accuracy, so as to overcome the defects that the existing experimental device in the background technology is simple in structure, low in accuracy and incapable of automatically cleaning.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an experimental apparatus for simulation deep sea mining sea water is undulant to pipeline influence, is equipped with three first supports on the base including base, first support, blowing frame and mixer, is connected with the blowing frame between three first support upper portions, and the inboard rotary type of blowing frame is equipped with two mixers, and blowing frame upper portion is equipped with clamping mechanism, and blowing frame lower part is equipped with moving mechanism.

Optionally, the material placing frame is slidably provided with two first slide bars, the inner sides of the first slide bars are provided with clamping blocks, the two clamping blocks are in contact with each other, the outer sides of the first slide bars are provided with hand-pulling blocks, the two first slide bars are wound with first springs, and the first springs are connected between the material placing frame and the hand-pulling blocks.

Optionally, four second supports are arranged on the discharging frame, four third supports are arranged on the discharging frame, the third supports are located above the second supports, second sliding rods are connected between the third supports and the second supports, water containing frames are connected between the four second sliding rods in a sliding mode and are connected with the discharging frame in a sliding mode, second springs are wound on the second sliding rods and are connected between the third supports and the water containing frames, a filter screen is arranged on the upper portion of each water containing frame, and the filter screen is connected with the discharging frame in a sliding mode.

Optionally, be equipped with first sliding sleeve on the flourishing water frame, the first sliding sleeve inboard sliding type is equipped with the jamming pole, and jamming pole and flourishing water frame sliding type are connected, and it has compression spring to wind on the jamming pole, and compression spring connects between first sliding sleeve and jamming pole, is equipped with the receipts on the jamming pole and draws the piece.

Optionally, four second sliding sleeves are arranged on the discharging frame, a third sliding sleeve is slidably arranged on the inner side of the second sliding sleeve, the third sliding sleeve is matched with the water containing frame, a third spring is wound on the third sliding sleeve, the third spring is connected between the second sliding sleeve and the third sliding sleeve, and a connecting rod is connected between two adjacent third sliding sleeves.

Optionally, two first support frames are arranged on the discharging frame, two second support frames are arranged on the discharging frame, third slide bars are arranged at the bottoms of the two first support frames and the bottoms of the two second support frames, fourth sliding sleeves are arranged on the four third slide bars in a sliding mode, fourth springs are wound on the four third slide bars, the fourth springs are connected between the third slide bars and the fourth sliding sleeves, a collecting frame is connected between the four fourth sliding sleeves, and the collecting frame is located below the discharging frame.

Optionally, be equipped with four fourth supports on the blowing frame, the rotary type is connected with the pivot between two adjacent fourth supports, all is equipped with two reels in two pivots, all is connected with two stay cords between two connecting rods and the collection frame, and the reel is walked around to the stay cord.

Optionally, two second slide bars far away from one side of the blocking rod are all provided with a fifth sliding sleeve in a sliding manner, the two second slide bars far away from one side of the blocking rod are respectively wound with a fifth spring, the fifth spring is connected between the fifth sliding sleeve and the second support, the discharging frame is provided with two sixth sliding sleeves, the lower inner sides of the two sixth sliding sleeves are connected with a fourth slide bar in a sliding manner, the fourth slide bar is provided with a hairbrush, the hairbrush is matched with the fifth sliding sleeve, the fourth slide bar is wound with two sixth springs, and the sixth springs are connected between the sixth sliding sleeves and the fourth slide bar.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the clamping mechanism is arranged, and the clamping mechanism operates and clamps the pipeline, so that manual clamping can be replaced, and the accuracy of data can be improved;

2. by arranging the moving mechanism and the water boiling mechanism, after the experiment is finished, people enable the water boiling mechanism to operate, so that water flows in the moving mechanism, and meanwhile, the moving mechanism enables the ball body and the water to be separated, so that the cleaning work is convenient for people;

3. according to the invention, the clamping mechanism is arranged, and the clamping mechanism operates to clamp part of the moving mechanism, so that water in the discharging frame can be prevented from flowing out in the experiment process, and the experiment can be ensured to be carried out smoothly;

4. the collecting mechanism is arranged, operates and respectively collects water and the ball bodies, so that the aim of distributing and collecting materials is fulfilled;

5. according to the invention, the pulling mechanism is arranged, the collection mechanism operates to drive the operation of the operation pulling mechanism, so that the movement mechanism is driven to operate, and people then enable the collection mechanism to collect the balls, so that the operation is simple and convenient;

6. the ball cleaning device is provided with the brush cleaning mechanism, and the moving mechanism operates to drive the brush cleaning mechanism, so that the ball is pushed into the collecting mechanism, and the aim of automatic cleaning is fulfilled.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the clamping mechanism of the present invention.

Fig. 3 is a schematic perspective view of the moving mechanism of the present invention.

Fig. 4 is a schematic perspective view of the water boiling mechanism of the present invention.

Fig. 5 is a schematic perspective view of the chucking mechanism of the present invention.

Fig. 6 is a schematic perspective view of the collecting mechanism of the present invention.

Fig. 7 is a schematic perspective view of the pulling mechanism of the present invention.

Fig. 8 is a perspective view of the brushing mechanism of the present invention.

Reference numbers in the drawings: 1: base, 2: first bracket, 3: discharge frame, 31: a stirrer, 4: clamping mechanism, 41: clamping block, 42: first slide bar, 43: hand-pulling block, 44: first spring, 5: moving mechanism, 51: second bracket, 52: third bracket, 53: second slide bar, 54: water containing frame, 55: second spring, 56: a filter screen, 6: boiling water mechanism, 61: first runner, 62: stem, 63: compression spring, 64: a drawing block, 7: chucking mechanism, 71: second runner, 72: third runner, 73: third spring, 74: connecting rod, 8: collection mechanism, 81: first support bracket, 82: third slide bar, 83: fourth runner, 84: second support frame, 85: fourth spring, 86: collection frame, 9: pulling mechanism, 91: fourth bracket, 92: a rotating shaft, 93: reel, 94: a pull cord, 10: brushing mechanism, 101: fifth slip sleeve, 102: fifth spring, 103: sixth sliding sleeve, 104: brush, 105: a fourth slide bar, 106: and a sixth spring.

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. 1-8, the present invention provides a technical solution: an experimental device for simulating the influence of seawater fluctuation in deep sea mining on a pipeline comprises a base 1, a first support 2, a discharge frame 3, a stirrer 31, a clamping mechanism 4, a clamping block 41, a first slide rod 42, a hand-pulling block 43, a first spring 44, a moving mechanism 5, a second support 51, a third support 52, a second slide rod 53, a water containing frame 54, a second spring 55, a filter screen 56, a boiling water mechanism 6, a first sliding sleeve 61, a blocking rod 62, a compression spring 63, a take-up and pull block 64, a clamping mechanism 7, a second sliding sleeve 71, a third sliding sleeve 72, a third spring 73, a connecting rod 74, a collection mechanism 8, a first support 81, a third slide rod 82, a fourth sliding sleeve 83, a second support 84, a fourth spring 85, a collection frame 86, a pulling mechanism 9, a fourth support 91, a rotating shaft 92, a reel 93, a pull rope 94, a scrubbing mechanism 10, a fifth sliding sleeve 101, a fifth spring 102, a sixth sliding sleeve 103, a sliding sleeve 103, The base 1 is provided with three first supports 2, discharging frames 3 are connected between the upper portions of the three first supports 2, two stirring machines 31 are rotatably arranged on the inner side of the right portion of each discharging frame 3, the upper portions of the discharging frames 3 are provided with clamping mechanisms 4, and the lower portions of the discharging frames 3 are provided with moving mechanisms 5.

The front and rear inner parts of the upper part of the discharging frame 3 are both provided with a first sliding rod 42 in a sliding manner, the inner side of the first sliding rod 42 is provided with a clamping block 41, the two clamping blocks 41 are in mutual contact, the outer side of the first sliding rod 42 is provided with a hand-pulling block 43, the two first sliding rods 42 are both wound with first springs 44, and the first springs 44 are connected between the discharging frame 3 and the hand-pulling block 43.

Two second supports 51 are arranged at the lower portions of the front side and the rear side of the material placing frame 3, two third supports 52 are arranged at the lower portions of the front side and the rear side of the material placing frame 3, the third supports 52 are located above the second supports 51, a second slide bar 53 is connected between the third supports 52 and the second supports 51, a water containing frame 54 is connected between the four second slide bars 53 in a sliding mode, the water containing frame 54 is connected with the material placing frame 3 in a sliding mode, a second spring 55 is wound on the second slide bar 53, the second spring 55 is connected between the third supports 52 and the water containing frame 54, a filter screen 56 is arranged at the upper portion of the water containing frame 54, and the filter screen 56 is connected with the material placing frame 3 in a sliding mode.

The right side of the bottom of the water containing frame 54 is provided with a first sliding sleeve 61, the inner side of the first sliding sleeve 61 is slidably provided with a blocking rod 62, the blocking rod 62 is slidably connected with the water containing frame 54, a compression spring 63 is wound on the blocking rod 62, the compression spring 63 is connected between the first sliding sleeve 61 and the blocking rod 62, and the right side of the blocking rod 62 is provided with a drawing block 64.

Two second sliding sleeves 71 are arranged at the lower parts of the front side and the rear side of the material placing frame 3, a third sliding sleeve 72 is arranged at the inner side of the second sliding sleeve 71 in a sliding manner, the third sliding sleeve 72 is matched with the water containing frame 54, a third spring 73 is wound on the third sliding sleeve 72, the third spring 73 is connected between the second sliding sleeve 71 and the third sliding sleeve 72, and a connecting rod 74 is connected between the third sliding sleeves 72 at the left side and the right side.

The left parts of the front side and the rear side of the discharging frame 3 are respectively provided with a first support frame 81, the right parts of the front side and the rear side of the discharging frame 3 are respectively provided with a second support frame 84, the bottoms of the two first support frames 81 and the bottoms of the two second support frames 84 are respectively provided with a third sliding rod 82, four third sliding rods 82 are respectively provided with a fourth sliding sleeve 83 in a sliding manner, four third sliding rods 82 are respectively provided with a fourth spring 85 in a winding manner, the fourth spring 85 is connected between the third sliding rods 82 and the fourth sliding sleeves 83, a collecting frame 86 is connected between the four fourth sliding sleeves 83, and the collecting frame 86 is positioned below the discharging frame 3.

Two fourth brackets 91 are arranged on the front side and the rear side of the discharging frame 3, rotating shafts 92 are rotatably connected between the lower portions of the fourth brackets 91 on the left side and the right side, reels 93 are arranged on the left side and the right side of the rotating shafts 92 on the front side and the rear side, two pull ropes 94 are connected between the two connecting rods 74 and the collecting frame 86, and the pull ropes 94 bypass the reels 93.

The lower parts of the second sliding rods 53 at the front side and the rear side of the left part are both provided with a fifth sliding sleeve 101 in a sliding manner, the second sliding rods 53 at the front side and the rear side of the left part are both wound with fifth springs 102, the fifth springs 102 are connected between the fifth sliding sleeves 101 and the second bracket 51, the lower part of the left side of the emptying frame 3 is provided with two sixth sliding sleeves 103, the lower parts of the sixth sliding sleeves 103 at the front side and the rear side are connected with a fourth sliding rod 105 in a sliding manner, the right side of the fourth sliding rod 105 is provided with a brush 104, the brush 104 is matched with the fifth sliding sleeve 101, the fourth sliding rod 105 is wound with two sixth springs 106, and the sixth springs 106 are connected between the sixth sliding sleeves 103 and the fourth sliding rod 105.

When people need to carry out an experiment for simulating the influence of seawater fluctuation in deep sea mining on a pipeline, firstly, people enable the moving mechanism 5 to operate, then, a proper amount of water is poured into the material placing frame 3, and a plurality of spheres are placed, then, people insert the pipeline into the water and enable the clamping mechanism 4 to clamp the pipeline tightly, then, people start the stirrer 31, the stirrer 31 rotates to enable the water in the material placing frame 3 to fluctuate, further, the spheres in the water move randomly, part of the spheres collide the pipeline, then, people observe and record the position change of the pipeline, after the experiment is finished, people close the stirrer 31 to stop stirring the water, then, people enable the clamping mechanism 4 to restore the original position and take out the pipeline, then, people enable the moving mechanism 5 to restore the original position to enable the water in the material placing frame 3 to flow outwards, the spheres stay in the moving mechanism 5, then, people take out the spheres, and then, people research and analyze the data, and summarizing the influence of the seawater fluctuation on the pipeline, and repeating the steps if the equipment is used again.

People manually pull the hand-pulling block 43 to the outer side, so that the first sliding rod 42 slides to the outer side in the material placing frame 3, meanwhile, the first spring 44 is changed into a stretching state from an initial state, the first sliding rod 42 moves to enable the clamping block 41 to move to the outer side, then people place the pipeline between the two clamping blocks 41 and enable the pipeline to be inserted into water, then people loosen the hand-pulling block 43, the first spring 44 is still in the stretching state, the clamping block 41 moves to the inner side through elastic force, and the pipeline is clamped, so that the purpose of clamping the pipeline is achieved, manual clamping can be replaced, the accuracy of data can be improved, after an experiment is completed, people pull the hand-pulling block 43 to the outer side again, take the pipeline out, then loosen the hand-pulling block 43, and the first spring 44 is reset from a compression state, so that the clamping block 41 moves back to the original position.

People manually enable the water containing frame 54 to slide upwards on the second sliding rod 53, the second spring 55 is changed from an initial state to a compressed state, then the water containing frame 54 slides upwards in the discharging frame 3 and is matched with the discharging frame, the filter screen 56 moves upwards and then slides upwards in the discharging frame 3, then people pour water into the discharging frame 3, at the moment, the water containing frame 54 can prevent the water from flowing out of the discharging frame 3, then people start an experiment, after the experiment is completed, people enable the water in the water containing frame 54 to flow downwards, so that the water in the discharging frame 3 can flow completely out, meanwhile, the filter screen 56 filters the water, the ball falls to the top of the filter screen 56, then the water containing frame 54 is loosened, the second spring 55 is reset from the compressed state, the water containing frame 54 and the filter screen 56 move downwards to the original position, and then people take the ball down.

After people pour water into the discharging frame 3, the blocking rod 62 can prevent the water in the discharging frame 3 and the water containing frame 54 from flowing out, after the experiment is completed, people manually pull the retracting block 64 downwards to enable the blocking rod 62 to slide downwards in the first sliding sleeve 61 and the water containing frame 54, the compression spring 63 is changed from an initial state to a stretching state, the blocking rod 62 is separated from the water containing frame 54, the water in the water containing frame 54 flows downwards due to gravity, after all the water in the discharging frame 3 flows out, the retracting block 64 is released by people, the compression spring 63 resets from the stretching state, and the blocking rod 62 and the retracting block 64 move back to the original position.

In an initial state, as the third sliding sleeve 72 is matched with the water containing frame 54, the second spring 55 is in a compressed state, after an experiment is completed, people manually pull the connecting rod 74 outwards, so that the third sliding sleeve 72 slides outwards in the second sliding sleeve 71, the third spring 73 is changed from the initial state to the stretched state, when the third sliding sleeve 72 is separated from the water containing frame 54, the second spring 55 is reset from the compressed state, so that the water containing frame 54 and the filter screen 56 move downwards, then people take out the ball, then manually move the water containing frame 54 and the filter screen 56 back to the original position, the second spring 55 is changed from the initial state to the compressed state, then people release the connecting rod 74, and the third spring 73 is reset from the stretched state, so that the third sliding sleeve 72 moves back to the original position, so that the water containing frame 54 is clamped, further the water containing frame 54 can be prevented from moving downwards, and the operation is time-saving and labor-saving.

When the water containing frame 54 is drained, drained water falls into the collecting frame 86 due to gravity, the collecting frame 86 collects the drained water, the collecting frame 86 moves downwards due to the increase of the gravity of the water in the collecting frame 86, the fourth sliding sleeve 83 slides downwards on the third sliding rod 82, the fourth spring 85 is changed from an initial state to a stretching state, then people push the ball at the top of the filter screen 56 rightwards, then the ball falls into the collecting frame 86 due to gravity, the collecting frame 86 collects the water again, the ball and the water are located in two areas in the collecting frame 86, the purpose of distributing and collecting is achieved, then people take out the water and the ball in the collecting frame 86, at the moment, the fourth spring 85 resets from the stretching state, and the collecting frame 86 moves back to the original position.

When the collecting frame 86 moves downwards, the collecting frame 86 can pull the pull rope 94, so that the connecting rod 74 moves outwards, the third sliding sleeve 72 moves outwards, in addition, the pull rope 94 is in contact with the winding wheel 93 to generate friction, the winding wheel 93 rotates due to the friction force, so that the rotating shaft 92 rotates, the winding wheel 93 plays a guiding role in guiding the movement of the pull rope 94, when the third sliding sleeve 72 is separated from the water containing frame 54, the water containing frame 54 and the filter screen 56 move downwards due to the second spring 55, then people push the ball into the collecting frame 86, when the collecting frame 86 moves upwards, people firstly move the water containing frame 54 and the filter screen 56 back to the original position, and then the third spring 73 moves the third sliding sleeve 72 back to the original position, so that the water containing frame 54 is clamped, manual pulling can be replaced, and time and labor are saved.

In the initial state, as the fifth sliding sleeve 101 is matched with the brush 104, the sixth spring 106 is in a stretched state, when the water containing frame 54 moves downwards to be in contact with the fifth sliding sleeve 101, the water containing frame 54 moves downwards to enable the fifth sliding sleeve 101 to slide downwards on the second sliding rod 53, the fifth spring 102 is changed from the initial state to a compressed state, when the fifth sliding sleeve 101 is separated from the brush 104, the sixth spring 106 is reset from the stretched state, the fourth sliding rod 105 slides rightwards in the sixth sliding sleeve 103, the brush 104 moves rightwards, the ball is pushed out, the top of the filter screen 56 is cleaned, the purpose of automatic cleaning is achieved, then the brush 104 and the fourth sliding rod 105 are manually moved back to the original position by people, the sixth spring 106 is changed from the initial state to the stretched state, then the water containing frame 54 is moved back to the original position, at the moment, the fifth spring 102 is reset from the compressed state, and the fifth sliding sleeve 101 is moved back, thereby catching the brush 104.

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.