1. The utility model provides a water conservancy and hydropower engineering building is manger plate dam for tunnel excavation, is the top fixedly connected with balancing weight (3) of bottom plate (1) and fixed plate (2), fixed plate (2) that the symmetry set up, its characterized in that including two respectively: the bottom parts of the two bottom plates (1) are symmetrically and rotatably connected with track wheels (10), the top part of each bottom plate (1) is fixedly connected with a positioning plate (11) on one side of the fixing plate (2), accommodating grooves (12) are formed in two sides of each positioning plate (11), positioning rods (13) are fixedly connected inside the accommodating grooves (12), and one ends, far away from the accommodating grooves (12), of the positioning rods (13) are fixedly connected with magnetic absorption blocks (14);

two one side fixedly connected with motor (21) of fixed plate (2), adjustment tank (23) have been seted up to the inside of motor (21), the output shaft end symmetry fixed mounting of motor (21) has gear (22), and two gear (22) are located the inside both ends of adjustment tank (23) respectively, movable groove (26) have been seted up to the bottom of adjustment tank (23), the inside symmetry swing joint of movable groove (26) has first rack plate (24) and second rack plate (25).

2. The retaining dam for excavation of the hydraulic and hydroelectric engineering building tunnel according to claim 1, characterized in that:

the top end of the first rack plate (24) and the top end of the second rack plate (25) are respectively meshed and connected with the bottom ends of the two gears (22).

3. The retaining dam for excavation of the hydraulic and hydroelectric engineering building tunnel according to claim 1, characterized in that:

bottom bilateral symmetry fixedly connected with hinge (31) of balancing weight (3), bottom one side fixedly connected with backup pad (32) of hinge (31), two backup pad (32) are the symmetric distribution in the both sides of fixed plate (2).

4. The retaining dam for excavation of the hydraulic and hydroelectric engineering building tunnel according to claim 3, characterized in that:

one side of the supporting plate (32) is fixedly connected with one end of the first rack plate (24), and the other side of the supporting plate (32) is fixedly connected with one end of the second rack plate (25).

5. The retaining dam for excavation of the hydraulic and hydroelectric engineering building tunnel according to claim 1, characterized in that:

moving grooves (33) are symmetrically formed in the top of the balancing weight (3), and limiting grooves (34) are formed in the bottom ends of the two moving grooves (33).

6. The retaining dam for excavation of the hydraulic and hydroelectric engineering building tunnel according to claim 5, characterized in that:

the inside swing joint of spacing groove (34) has breakwater (36), the bottom symmetry fixedly connected with sharp post (37) of breakwater (36), mounting groove (35) have been seted up to top one side that shifting chute (33) are located balancing weight (3), the inside fixedly connected with hydraulic column (38) of mounting groove (35), the top both sides fixedly connected with steel cable (39) of hydraulic column (38).

7. The retaining dam for excavation of the hydraulic and hydroelectric engineering building tunnel according to claim 6, characterized in that:

the inner parts of the two fixing plates (2) are symmetrically and fixedly connected with clamping plates (27), and one sides of the clamping plates (27) are attached to one side of a water baffle (36).

8. The retaining dam for excavation of the hydraulic and hydroelectric engineering building tunnel according to claim 5, characterized in that:

draw-in groove (40) have been seted up to top one side in shift gate (33), the inside both ends of draw-in groove (40) are rotated and are connected with horizontal deflector roll (41).

9. The retaining dam for excavation of the hydraulic and hydroelectric engineering building tunnel according to claim 6, characterized in that:

the water baffle (36) is located the inside top fixedly connected with arm-tie (42) of spacing groove (34), the width of arm-tie (42) and the width looks adaptation of spacing groove (34).

10. The retaining dam for excavation of the hydraulic and hydroelectric engineering building tunnel according to claim 7, characterized in that:

one end of the steel rope (39) is attached to one end of the transverse guide roller (41), and the bottom end of the steel rope (39) penetrates through the transverse guide roller (41) and is fixedly connected with the top end of the pulling plate (42).

Background

The water retaining dam is used for agricultural irrigation, fishery, ship lock, seawater damp-proof, urban river landscape, engineering, hydropower station and world leading movable dam technology, and is used for agricultural irrigation, fishery, ship lock, seawater damp-proof, urban river landscape, engineering and hydropower station.

In the Chinese invention patent application number: CN201610639464.6 discloses a flexible retaining dam of pocket formula, this flexible retaining dam of pocket formula, it is simple structure practical, low in cost, construction period is short, advantages such as management easy maintenance, and the stagnant water is effectual, and the span is big, flood season can reduce dam high flood, do not block water, can be used to urban garden and beautify, wide application prospect has in the construction of sponge city, however, this flexible retaining dam of pocket formula, when being under construction in tunnel cave, the retaining dam needs frequently to be dismantled the equipment, be not convenient for to retaining dam shift position, block the rivers in the cave, construction efficiency has been reduced, can not rise the breakwater to descend according to the use, device installation supports poor stability, easily produce in the device removal process and rock, increase wearing and tearing between the device, it produces not hard up to connect the reduction of compactness when the device is adjusted.

Therefore, it is necessary to provide a dam for excavation of a tunnel in a hydraulic and hydroelectric engineering building to solve the above problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a retaining dam for excavating a hydraulic and hydroelectric engineering building tunnel, which solves the problems that the retaining dam needs to be frequently disassembled and assembled when being constructed in a tunnel pit, the position of the retaining dam is not convenient to move, water flow in the pit is blocked, the construction efficiency is reduced, a retaining plate cannot be lifted and descended according to use, the device is poor in mounting and supporting stability, the device is easy to shake in the moving process, abrasion among devices is increased, and connection tightness is reduced and looseness is generated when the device is adjusted.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a retaining dam for excavating a building tunnel of a hydraulic and hydroelectric engineering comprises a bottom plate and a fixed plate which are symmetrically arranged, the top of the fixed plate is fixedly connected with a balancing weight, the bottoms of the two bottom plates are symmetrically and rotatably connected with track wheels, the top of the bottom plate is fixedly connected with a positioning plate at one side of the fixed plate, the two sides of the positioning plate are provided with accommodating grooves, a positioning rod is fixedly connected inside the accommodating groove, one end of the positioning rod far away from the accommodating groove is fixedly connected with a magnetic suction block, one side of the two fixing plates is fixedly connected with a motor, an adjusting groove is arranged inside the motor, gears are symmetrically and fixedly arranged at the end part of an output shaft of the motor, the two gears are respectively positioned at the two ends inside the adjusting groove, the bottom of adjustment tank has seted up the activity groove, the inside symmetry swing joint in activity groove has first rack board and second rack board.

Optionally, the top end of the first rack plate and the top end of the second rack plate are respectively engaged with the bottom ends of the two gears.

Optionally, the bottom bilateral symmetry fixedly connected with hinge of balancing weight, bottom one side fixedly connected with backup pad of hinge, two the backup pad is the symmetric distribution in the both sides of fixed plate.

Optionally, one side of the supporting plate is fixedly connected with one end of the first rack plate, and the other side of the supporting plate is fixedly connected with one end of the second rack plate.

Optionally, the top of the balancing weight is symmetrically provided with moving grooves, and the bottom ends of the two moving grooves are provided with limiting grooves.

Optionally, the limiting groove is movably connected inside with a water baffle, the bottom of the water baffle is symmetrically and fixedly connected with a sharp column, the moving groove is located on one side of the top end of the balancing weight and is provided with a mounting groove, the inside of the mounting groove is fixedly connected with a hydraulic column, and steel ropes are fixedly connected to two sides of the top of the hydraulic column.

Optionally, the two fixing plates are symmetrically and fixedly connected with clamping plates, and one side of each clamping plate is attached to one side of the water baffle.

Optionally, a clamping groove is formed in one side of the top of the moving groove, and transverse guide rollers are rotatably connected to two ends of the clamping groove.

Optionally, the water baffle is fixedly connected to a pulling plate at the top end of the inner portion of the limiting groove, and the width of the pulling plate is matched with the width of the limiting groove.

Optionally, one end of the steel rope is attached to one end of the transverse guide roller, and the bottom end of the steel rope penetrates through the transverse guide roller and is fixedly connected with the top end of the pulling plate.

The invention provides a retaining dam for excavation of a hydraulic and hydroelectric engineering building tunnel, which has the following beneficial effects:

1. according to the invention, the rail wheels are arranged at the bottom of the bottom plate, the rails are arranged on two sides of the tunnel, when the middle of the tunnel is dug to the deep position, water on two sides of the tunnel cannot be separated, so that the construction efficiency is low, when the device is moved, one end of the supporting plate, which is far away from the hinge, is not convenient to attach and fix, so that the device is shaken in the moving process, the abrasion among the gear, the first rack plate and the second rack plate is accelerated, and the connection tightness of the device is poor.

2. According to the invention, the positioning rods are arranged in the accommodating grooves on the two sides of the positioning plate, and the accommodating grooves are used for accommodating one ends of the positioning rods, so that the stability of the positioning rods during supporting is improved, the phenomenon that the magnetic suction block positioned at the end part of the positioning rod and the connection stability of the inner side of the supporting plate are influenced due to the inclination caused by overlarge tension is avoided, and the hinge connection supporting plate can be attached to one side of the fixing plate in the transportation process.

3. According to the invention, the gear is driven by the motor to rotate in the adjusting groove, so that the gear is respectively meshed with the first rack plate and the second rack plate, the supporting plates positioned on the two sides of the fixing plate are adjusted, the angle between the supporting plates and the fixing plate is increased, the supporting plates, the fixing plate and the ground are placed in a triangular shape, the water retaining capacity of the water retaining dam is improved, and the water is prevented from pushing the water retaining dam to move when the water flows too much.

4. According to the invention, the top end of the water baffle is limited in the limiting groove through the pulling plate, when the water baffle is collected after completion, the water baffle is moved upwards, so that the bottom end of the pointed column is separated from the soil layer at the bottom of the tunnel, the water baffle is moved conveniently, the steel rope is pulled upwards through the hydraulic column in the mounting groove at the top, the position of the pulling plate in the clamping groove is adjusted, the connection and separation of the water baffle and the pointed column with the soil layer are conveniently regulated and controlled, one end of the steel rope is attached and stored through the clamping groove and the transverse guide roller, the friction on the steel rope is reduced, and the service life is prolonged.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic side sectional perspective view of the structure of the present invention;

FIG. 3 is a schematic perspective cross-sectional view of the structure of the present invention;

FIG. 4 is an enlarged schematic view of region A in FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of region B in FIG. 2 according to the present invention;

FIG. 6 is an enlarged view of region C in FIG. 3 according to the present invention.

In the figure: 1. a base plate; 2. a fixing plate; 3. a balancing weight; 10. a rail wheel; 11. positioning a plate; 12. a receiving groove; 13. positioning a rod; 14. a magnetic block; 21. a motor; 22. a gear; 23. an adjustment groove; 24. a first rack plate; 25. a second rack plate; 26. a movable groove; 27. a clamping plate; 31. a hinge; 32. a support plate; 33. a moving groove; 34. a limiting groove; 35. mounting grooves; 36. a water baffle; 37. a sharp column; 38. a hydraulic column; 39. a steel cord; 40. a card slot; 41. a transverse guide roller; 42. and (5) pulling the plate.

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.

As shown in fig. 1-6, the present invention provides a solution:

a retaining dam for excavation of a building tunnel of hydraulic and hydroelectric engineering comprises two bottom plates 1 and two fixed plates 2 which are symmetrically arranged respectively, wherein the top of each fixed plate 2 is fixedly connected with a balancing weight 3, the bottoms of the two bottom plates 1 are symmetrically and rotatably connected with track wheels 10, the top of each bottom plate 1 is fixedly connected with a positioning plate 11 at one side of the corresponding fixed plate 2, two sides of each positioning plate 11 are provided with accommodating grooves 12, the inside of each accommodating groove 12 is fixedly connected with a positioning rod 13, one end of each positioning rod 13 far away from the corresponding accommodating groove 12 is fixedly connected with a magnetic suction block 14, one side of each fixed plate 2 is fixedly connected with a motor 21, the inside of each motor 21 is provided with an adjusting groove 23, the end part of an output shaft of each motor 21 is symmetrically and fixedly provided with a gear 22, the two gears 22 are respectively arranged at the two inner ends of the adjusting grooves 23, the bottom of each adjusting groove 23 is provided with a movable groove 26, and the inside of each movable groove 26 is symmetrically and movably connected with a first rack plate 24 and a second rack plate 25, the first rack plate 24 and the second rack plate 25 are each semi-annular in shape.

As an optional technical scheme of the invention: the top of first rack plate 24 and the top of second rack plate 25 are connected with the bottom meshing of two gears 22 respectively, and the one end of gear 22 and the one end meshing of first rack plate 24 drive first rack plate 24 through motor 21 and remove in activity groove 26, and the width of activity groove 26 and the width sum looks adaptation of first rack plate 24 and second rack plate 25 avoid producing in the accommodation process and rock the influence and use.

As an optional technical scheme of the invention: bottom bilateral symmetry fixedly connected with hinge 31 of balancing weight 3, bottom one side fixedly connected with backup pad 32 of hinge 31, two backup pads 32 are the symmetric distribution in the both sides of fixed plate 2, and the one end of backup pad 32 rotates around hinge 31, and the one end of first rack plate 24 is connected spacingly to the one end of backup pad 32.

As an optional technical scheme of the invention: one side of the supporting plate 32 is fixedly connected with one end of the first rack plate 24, the other side of the supporting plate 32 is fixedly connected with one end of the second rack plate 25, and the two supporting plates 32 are respectively fixedly connected with one side of the first rack plate 24 and one side of the second rack plate 25.

As an optional technical scheme of the invention: the shifting chute 33 has been seted up to the top symmetry of balancing weight 3, and spacing groove 34 has been seted up to the inside bottom of two shifting chutes 33, and spacing groove 34 distributes in the both sides of the inside middle-end of shifting chute 33.

As an optional technical scheme of the invention: the inside swing joint of spacing groove 34 has breakwater 36, and breakwater 36's the bottom symmetry fixedly connected with sharp post 37, mounting groove 35 have been seted up to the top one side that shifting chute 33 is located balancing weight 3, the inside fixedly connected with hydraulic column 38 of mounting groove 35, the top both sides fixedly connected with steel cable 39 of hydraulic column 38, the inside and the 38 bottom looks adaptations of hydraulic column of mounting groove 35.

As an optional technical scheme of the invention: the clamping plates 27 are symmetrically and fixedly connected to the inner parts of the two fixing plates 2, one side of each clamping plate 27 is attached to one side of the corresponding water baffle 36, and sliding grooves matched with the water baffles 36 are symmetrically formed in one side of each clamping plate 27.

As an optional technical scheme of the invention: the clamping groove 40 is formed in one side of the top of the moving groove 33, the two ends of the inside of the clamping groove 40 are rotatably connected with the transverse guide rollers 41, and the two transverse guide rollers 41 are matched with the clamping groove 40 and symmetrically distributed on one side of the two moving grooves 33.

As an optional technical scheme of the invention: the water baffle 36 is located the inside top fixedly connected with arm-tie 42 of spacing groove 34, and the width of arm-tie 42 and the width looks adaptation of spacing groove 34 move the bottom of groove 33 and run through balancing weight 3.

As an optional technical scheme of the invention: one end of the steel rope 39 is attached to one end of the transverse guide roller 41, the bottom end of the steel rope 39 penetrates through the transverse guide roller 41 and the top end of the pull plate 42 to be fixedly connected, one end of the transverse guide roller 41 is provided with a groove for accommodating the steel rope 39, the steel rope is prevented from being separated from the transverse guide roller 41 during adjustment, and the friction force of the steel rope 39 is increased.

In summary, the following steps: the bottom plate 1 at the bottom of the dam is moved on the rails at two sides in the tunnel through the rail wheels 10, when the middle of the tunnel is dug deeply, water at two sides in a pit can not be separated, so that a constructor can not see the bottom of the tunnel, the construction efficiency is reduced, water at one side of the dam is pumped to the other side through the water suction pump, water flow is intercepted and blocked through the water baffle plate 36, the speed of water flow emptying is prolonged, the end, away from the hinge 31, of the supporting plate 32 can not be attached and fixed during carrying of the dam, the dam is shaken during moving, abrasion among the gear 22, the first rack plate 24 and the second rack plate 25 is accelerated, the connection tightness of the device is poor, and the subsequent use state is influenced, the positioning rods 13 are installed in the accommodating grooves 12 at two sides of the positioning plate 11, the accommodating grooves 12 accommodate one ends of the positioning rods 13, the stability of the positioning rods 13 during supporting is improved, and the inclination and dislocation of the positioning rods 13 caused by overla, influencing the connection stability of the magnetic suction block 14 and the support plate 32 at the end of the positioning rod 13, the motor 21 drives the gear 22 to rotate in the adjusting groove 23, so that the gear 22 is respectively meshed with the first rack plate 24 and the second rack plate 25, driving the first rack plate 24 to move to the left, driving the second rack plate 25 to move to the right, adjusting the support plates 32 at the two sides of the fixed plate 2, increasing the angle between the support plates 32 and the fixed plate 2, placing the support plates 32, the fixed plate 2 and the ground in a triangular shape, improving the stability of the dam, avoiding the water from pushing the dam to move too much, limiting the top end of the dam 36 in the limiting groove 34 through the pulling plate 42, separating the bottom end of the pointed column 37 from the soil layer at the bottom of the tunnel by moving the water baffle 36 upwards when the dam is collected after completion, moving the dam to move the pulling steel rope 39 upwards through the hydraulic column 38 in the top mounting groove 35, the position of the pull plate 42 in the clamping groove 40 is adjusted, so that the water baffle 36 and the pointed column 37 can be conveniently adjusted and controlled to move upwards to be separated from the soil layer, and one end of the steel rope 39 is attached and accommodated through the clamping groove 40 and the transverse guide roller 41, so that the friction force applied to the steel rope 39 in the use process is reduced, and the service life is prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.