A construction device and method for dam concrete anti-seepage plate

Abstract

The invention discloses a construction device and method for a dam concrete anti-seepage plate, which belongs to the field of water conservancy engineering. The device comprises a supporting mechanism, wherein the supporting mechanism comprises a hydraulic arm, a working box is connected to the hydraulic arm, a slotting cavity and a filling cavity are provided on the working box, a plurality of sliding blocks are connected in a transverse sliding manner in the slotting cavity, a drill bit is rotatably connected to the plurality of sliding blocks, and limit rods are provided at the four corners of the slotting cavity, and the distance between the end of the limit rod and the slotting cavity is smaller than the distance between the drill bit and the slotting cavity; the device realizes rapid and efficient construction of the dam anti-seepage plate by integrating slotting and concrete pumping in a set of devices, and effectively solves the problems of low efficiency, inconsistent construction quality, complicated construction process and single device function existing in traditional construction methods.

Description

Technical Field

[0001] The invention relates to the technical field of water conservancy engineering, and in particular to a construction device and method for a dam concrete anti-seepage plate. Background Art

[0002] As an important water conservancy project facility, dams play a vital role in the protection of rivers or reservoirs. However, due to various factors (such as geological conditions, construction quality, etc.), leakage may occur on the inner side of the dam, which will not only threaten the stability and safety of the dam, but also have a serious impact on the surrounding environment.

[0003] The concrete anti-seepage slab is formed by cutting grooves on the inner side of the dam of a river or reservoir where leakage may occur, and then injecting concrete, with the concrete partially embedded in the grooves.

[0004] Traditional concrete anti-seepage slab construction mostly adopts the method of pouring concrete after manually excavating the groove. This method is not only inefficient, but also difficult to ensure the consistency of construction quality. In order to improve the efficiency and quality of dam anti-seepage treatment, a variety of mechanized construction devices have emerged in recent years. However, most of these devices can only complete a single drilling or concrete pouring function, and do not integrate the grooving and concrete pumping, resulting in a cumbersome construction process and low efficiency. Summary of the invention

[0005] The purpose of the present invention is to provide a dam concrete anti-seepage plate construction device and method, which solves the problems of complicated construction process and low efficiency of existing devices.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a construction device for a dam concrete anti-seepage plate, comprising a support mechanism, the support mechanism comprising a hydraulic arm, the hydraulic arm is connected to a working box, the working box is provided with a slotting cavity and a filling cavity, a plurality of sliders are connected in a transverse sliding manner in the slotting cavity, a plurality of sliders are rotatably connected to a drill bit, and a limit rod is provided at each of the four corners of the slotting cavity, and the distance between the end of the limit rod and the slotting cavity is smaller than the distance between the drill bit and the slotting cavity;

[0007] When the slotting cavity faces the dam, the working box approaches the dam so that the plurality of drill bits drill holes in the dam, and after the limit rod contacts the dam, the slide block slides so that the drill bits slot in the dam;

[0008] After the drill bit grooves the dam, the working box is turned over so that the filling cavity is buckled onto the grooved portion of the dam, thereby pouring concrete into the groove.

[0009] Preferably, a leak-proof frame is connected to the port of the filling cavity.

[0010] Preferably, the support mechanism comprises a base, and the hydraulic arm is connected to the base;

[0011] The hydraulic arm includes two columns symmetrically connected to the base, a mounting seat is vertically slidably connected to the column, a first hydraulic rod and a second hydraulic rod are hinged on the mounting seat, the output end of the second hydraulic rod is hinged to the cylinder body of the first hydraulic rod, the output end of the first hydraulic rod is connected to a rotary hydraulic cylinder, and the rotary hydraulic cylinder is connected to the end of the working box.

[0012] Preferably, a bracket is fixedly connected to the base, a concrete box is connected between the bracket and the base, and a pumping pipe is connected between the concrete box and the filling cavity.

[0013] Preferably, an L-shaped plate is slidably connected in the filling cavity, and the L-shaped plate changes the total volume of the filling cavity and the groove on the dam when sliding; and, when the drilling resistance of the drill bit to the dam is low, the total volume of the filling cavity and the groove on the dam is less than the amount of concrete pumped by the concrete pump, so that the pressure of the concrete pumped into the groove on the dam is high; when the drilling resistance of the drill bit to the dam is high, the total volume of the filling cavity and the groove on the dam is equal to the amount of concrete pumped by the concrete pump, so that the pressure of the concrete pumped into the groove on the dam is low.

[0014] Preferably, it also includes a piston cylinder, the piston cylinder is connected to the working box through a connecting frame, a ratchet column is slidably connected in the piston cylinder, a pawl cooperating with the ratchet column is slidably connected on the connecting frame, a spring is connected between the top of the ratchet column and the piston cylinder, a piston plate is connected to the bottom of the ratchet column, a connecting rod is connected between the piston plate and the L-shaped plate, a first hydraulic oil pipe and a second hydraulic oil pipe are connected to the space between the piston plate and the piston cylinder, the first hydraulic oil pipe is connected to the hydraulic oil pump, and the second hydraulic oil pipe is connected to the first hydraulic rod;

[0015] When the drilling resistance of the drill bit is large, the flow resistance of the hydraulic oil increases and pushes the piston plate to move up, so that the connecting rod drives the L-shaped plate to move up to increase the volume of the filling chamber. When the drilling resistance of the drill bit is small, the flow resistance of the hydraulic oil remains unchanged, the piston plate does not slide, and the L-shaped plate maintains its original position, so that the volume of the filling chamber does not increase.

[0016] Preferably, a concrete pump is connected to the pumping pipe, and the concrete pump pumps concrete into the filling cavity in a quantitative manner, and the pumping amount of the concrete pump is equal to the sum of the maximum volume of the filling cavity and the volume of the upper groove of the dam.

[0017] Preferably, a pressure stabilizing hole is provided on the top of the piston cylinder.

[0018] Preferably, a counterweight block is slidably connected to the top of the bracket, and when the sum of the volume of the filling cavity and the volume of the upper groove of the dam is less than the pumping volume of the concrete pump, the counterweight block slides toward the working box along with the pumping of concrete;

[0019] A port is provided on the top of the concrete box, a slide plate is slidably connected to the concrete box, the side wall of the slide plate is in contact with the inner wall of the concrete box, a first rack is connected to the slide plate, a second rack is connected to the counterweight block, a rotating shaft is rotatably connected to the bracket, a first gear meshing with the first rack and a second gear meshing with the second rack are connected to the rotating shaft;

[0020] The slide plate is connected to a pipeline, and a solenoid valve is arranged on the pipeline. A displacement sensor is arranged in the piston cylinder. When the displacement sensor detects that the ratchet column moves upward, the solenoid valve is closed, so that the slide plate descends with the discharge of concrete to drive the counterweight block to move toward the working box.

[0021] A method for constructing a dam concrete anti-seepage plate comprises the following steps:

[0022] S1. The device is hoisted as a whole on the inner side of the dam, and the mechanical arm is controlled so that the slotted cavity of the working box faces the possible water seepage part of the dam;

[0023] S2, start the drill bit, control the robot arm to make the working box approach the dam, and make multiple drill bits drill holes for the dam;

[0024] S3, after observing that the limit rod contacts the dam, the operation of the mechanical arm is stopped, and the slider is controlled to slide in the slotting cavity, so that multiple drill bits move horizontally to slot the dam;

[0025] S4. The drill bit senses the hardness of the dam during drilling. If the hardness is high, the drill bit has a large drilling resistance, otherwise it has a small drilling resistance. After the slot is opened, the working box is turned over, the filling chamber is buckled on the slot, and the concrete pump is running to pump concrete into the slot to enhance the waterproof effect of the dam.

[0026] S5. If the drilling resistance of the drill bit is small, the density of the dam is low and the volume of the filling cavity is small. At this time, the total volume of the filling cavity and the groove is less than the amount of concrete pumped, so the concrete pressure after pumping is large, so that the concrete can penetrate into the dam and increase the later firmness. On the contrary, the concrete pressure after pumping is not too high, which prevents the concrete from seeping out in large quantities from the contact part between the leak-proof frame and the dam.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. The present invention controls the working box to move to a possible water seepage position on the dam through a hydraulic arm, so that the slotting cavity of the working box faces the dam, starts the drill bit, and controls the working box to approach the dam through a mechanical arm, so that the drill bit drills a hole in the dam. After the limit rod contacts the dam, the action of the mechanical arm is stopped, and the slider is controlled to slide, and the slider drives the drill bit to move back and forth horizontally to slot the dam. After the slotting is completed, the working box is controlled to flip through the mechanical arm, so that the filling cavity is opposite to the slot opened, and then the filling cavity is controlled by the mechanical arm to buckle on the slot, and concrete is pumped into the filling cavity. The concrete flows into the slot opened on the dam. After the concrete stops flowing, the working box is controlled to move away from the dam, and then the concrete is trimmed. After the concrete is dried, an anti-seepage plate is formed. The device integrates slotting and concrete pumping in a set of devices, thereby improving the construction efficiency of the anti-seepage plate of the dam. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the construction state structure of the present invention;

[0030] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0031] Figure 3 It is a structural schematic diagram of the mechanical arm of the present invention;

[0032] Figure 4 It is a structural schematic diagram of the drill bit of the present invention;

[0033] Figure 5 It is a schematic diagram of the structure of the ratchet column of the present invention;

[0034] Figure 6 It is a structural schematic diagram of the counterweight block of the present invention.

[0035] In the figure: 1, base; 11, bracket; 12, column; 13, mounting seat; 14, first hydraulic rod; 15, second hydraulic rod; 16, rotary hydraulic cylinder; 2, working box; 21, slotted cavity; 211, limit rod; 22, slide block; 23, drill bit; 24, filling cavity; 241, leak-proof frame; 3, connecting frame; 31, piston cylinder; 32, connecting rod; 33, L-shaped plate; 34, spring; 35, ratchet column; 36, piston plate; 37, first hydraulic oil pipe; 371, hydraulic oil pump; 38, second hydraulic oil pipe; 39, ratchet; 4, concrete box; 41, concrete pump; 42, pump injection pipe; 43, slide plate; 44, pipeline; 45, first rack; 46, rotating shaft; 47, second gear; 48, first gear; 49, second rack; 491, counterweight. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] Reference Figure 1-Figure 6 The present embodiment provides a technical solution: a construction device for a dam concrete anti-seepage plate, comprising a supporting mechanism, the supporting mechanism comprising a hydraulic arm, a working box 2 connected to the hydraulic arm, a slotting cavity 21 and a filling cavity 24 provided on the working box 2, a plurality of sliders 22 connected transversely and slidingly in the slotting cavity 21, a drill bit 23 rotatably connected to the plurality of sliders 22, a limiting rod 211 is provided at the four corners of the slotting cavity 21, a distance between the end of the limiting rod 211 and the slotting cavity 21 is smaller than a distance between the drill bit 23 and the slotting cavity 21; when the slotting cavity 21 is facing the dam, the working box 2 approaches the dam so that the plurality of drill bits 23 drill holes in the dam, and after the limiting rod 211 contacts the dam, the slider 22 slides so that the drill bit 23 slots the dam; after the drill bit 23 slots the dam, the working box 2 flips so that the filling cavity 24 is buckled on the slotted portion of the dam, thereby pouring concrete into the slot.

[0038] When in use, the device is hoisted as a whole to the inner side of the dam, and the hydraulic arm is used to control the working box 2 to move to the part of the dam where water may seep, so that the slotting cavity 21 of the working box 2 faces the dam, and the drill bit 23 is started. The working box 2 is controlled by the mechanical arm to approach the dam, so that the drill bit 23 drills a hole in the dam. After the limit rod 211 contacts the dam, the action of the mechanical arm is stopped, and the slider 22 is controlled to slide. The slider 22 drives the drill bit 23 to move back and forth horizontally to slot the dam. After the slotting is completed, the working box 2 is turned over by the mechanical arm so that the filling cavity 24 faces the slot opened, and then the filling cavity 24 is controlled by the mechanical arm to buckle on the slot, and concrete is pumped into the filling cavity 24. The concrete flows into the slot opened on the dam. After the concrete stops flowing, the working box 2 is controlled to move away from the dam, and then the concrete is trimmed. After the concrete is dried, an impermeable plate is formed.

[0039] The slider 22 is driven by a screw rod or a hydraulic rod to move in the slotting cavity 21. The slider 22 is connected to a driving device for driving the drill bit 23 to rotate. The driving device can be a motor or a hydraulic pump.

[0040] Through the above arrangement, the grooving and concrete pumping are integrated into one set of equipment, thereby improving the construction efficiency of the dam anti-seepage plate.

[0041] The port of the filling chamber 24 is connected to a leak-proof frame 241 .

[0042] The leak-proof frame 241 is buckled on the groove of the dam to prevent the concrete poured into the groove from flowing out. The leak-proof frame 241 can be a rigid frame made of metal material, or a capsule filled with a viscous fluid such as a non-Newtonian fluid to ensure the sealing of the concrete pouring process.

[0043] The supporting mechanism includes a base 1, and the hydraulic arm is connected to the base 1; the hydraulic arm includes two columns 12 symmetrically connected to the base 1, and a mounting seat 13 is vertically slidably connected to the column 12, and a first hydraulic rod 14 and a second hydraulic rod 15 are hinged on the mounting seat 13, and the output end of the second hydraulic rod 15 is hinged to the cylinder body of the first hydraulic rod 14, and the output end of the first hydraulic rod 14 is connected to a rotary hydraulic cylinder 16, and the rotary hydraulic cylinder 16 is connected to the end of the working box 2.

[0044] The base 1 is located next to the dam and has a sufficient contact surface with the ground to maintain the overall stability of the device. The mounting seat 13 is driven by a hydraulic rod to slide on the column 12 to adjust the height of the working box 2. The extension and retraction of the first hydraulic rod 14 is used to control the working box 2 to approach or move away from the dam. The extension and retraction of the second hydraulic rod 15 controls the swing of the first hydraulic rod 14 to adjust the angle of the first hydraulic rod 14. The rotary hydraulic cylinder 16 controls the working box 2 to flip.

[0045] A bracket 11 is fixedly connected to the base 1 , a concrete box 4 is connected between the bracket 11 and the base 1 , and a pumping pipe 42 is connected between the concrete box 4 and the filling cavity 24 .

[0046] When the anti-seepage board is being constructed, concrete is poured into the concrete box 4 for storage. When the working box 2 is turned over so that the filling cavity 24 is buckled on the groove on the dam, the concrete in the concrete box 4 is injected into the groove on the dam through the pumping pipe 42.

[0047] An L-shaped plate 33 is slidably connected in the filling chamber 24. When the L-shaped plate 33 slides, the total volume of the filling chamber 24 and the groove on the dam is changed. When the drilling resistance of the drill bit 23 to the dam is low, the total volume of the filling chamber 24 and the groove on the dam is less than the amount of concrete pumped by the concrete pump 41, so that the pressure of the concrete pumped into the groove on the dam is large. When the drilling resistance of the drill bit 23 to the dam is high, the total volume of the filling chamber 24 and the groove on the dam is equal to the amount of concrete pumped by the concrete pump 41, so that the pressure of the concrete pumped into the groove on the dam is small. A concrete pump 41 is connected to the pumping pipe 42. The concrete pump 41 pumps concrete into the filling chamber 24 in a quantitative manner, and the pumping amount of the concrete pump 41 is equal to the sum of the maximum volume of the filling chamber 24 and the volume of the groove on the dam.

[0048] When the L-shaped plate 33 slides into the filling cavity 24, the volume of the filling cavity 24 is reduced. In the initial state, the volume of the filling cavity 24 is small. If the drilling resistance of the drill bit 23 is small, the hardness of the dam is low. At this time, the L-shaped plate 33 does not slide or the sliding distance is small, so that the volume of the filling cavity 24 will not be excessively expanded. Therefore, when concrete of the sum of the maximum volume of the filling cavity 24 and the volume of the upper groove of the dam is pumped into the filling cavity 24 and the upper groove of the dam, the pressure in the upper groove of the dam is relatively large, so that the concrete can penetrate into the dam, making the connection between the anti-seepage plate and the dam formed later more stable. On the contrary, when the drilling resistance of the drill bit 23 is large, the sliding distance of the L-shaped plate 33 is large, so that the volume of the filling cavity 24 is expanded, so that the sum of the maximum volume of the filling cavity 24 and the volume of the upper groove of the dam is close to or equal to the pumped amount of concrete. At this time, the pressure in the upper groove of the dam is not too large, thereby preventing a large amount of concrete from leaking from the contact part between the leak-proof frame 241 and the dam, causing inconvenience in later processing.

[0049] The piston cylinder 31 is also provided with a piston plate 36, a connecting rod 32 is connected between the piston plate 36 and the L-shaped plate 33, and a first hydraulic oil pipe 37 and a second hydraulic oil pipe 38 are connected to the space between the piston plate 36 and the piston cylinder 31. The oil pipe 38, the first hydraulic oil pipe 37 is connected to the hydraulic oil pump 371, and the second hydraulic oil pipe 38 is connected to the first hydraulic rod 14; when the drilling resistance of the drill bit 23 is large, the flow resistance of the hydraulic oil increases and pushes the piston plate 36 to move upward, so that the connecting rod 32 drives the L-shaped plate 33 to move upward to increase the volume of the filling chamber 24, and, when the drilling resistance of the drill bit 23 is small, the flow resistance of the hydraulic oil remains unchanged, the piston plate 36 does not slide, so that the L-shaped plate 33 maintains its original position, so that the volume of the filling chamber 24 does not increase.

[0050] The drilling force of the drill bit 23 is provided by the extension of the first hydraulic rod 14. The hydraulic oil pump 371 is connected to the base 1. The hydraulic oil pump 371 pumps or extracts hydraulic oil through the first hydraulic oil pipe 37, so that the first hydraulic rod 14 is extended and retracted. The hydraulic oil flows into the first hydraulic rod 14 through the gap between the piston plate 36 and the piston cylinder 31 and the second hydraulic oil pipe 38, so that the first hydraulic rod 14 is extended. If the drilling resistance of the drill bit 23 is large, the flow resistance of the hydraulic oil is large. At this time, part of the hydraulic oil accumulates in the gap between the piston plate 36 and the piston cylinder 31, so that the ratchet column 35 is lifted, so that the ratchet column 35 drives the L-shaped plate 33 to move upward through the connecting rod 32. At this time, the volume of the filling chamber 24 increases, thereby reducing the pressure of subsequent concrete pumping, otherwise the concrete pumping pressure increases;

[0051] The spring 34 provides downward pressure for the ratchet column 35 to prevent the ratchet column 35 from sliding when the drill bit 23 is drilling. The pawl 39 limits the ratchet column 35 to prevent the ratchet column 35 from moving down and resetting, thereby ensuring that the subsequent concrete pouring pressure can adapt to the hardness of the groove at the dam. After the pawl 39 is manually pulled, the ratchet column 35 is reset under the action of the spring 34.

[0052] A pressure stabilizing hole is provided at the top of the piston cylinder 31 .

[0053] The opening of the pressure-stabilizing hole ensures that the upward movement of the ratchet column 35 will not be affected by the air pressure in the piston cylinder 31 .

[0054] A counterweight 491 is slidably connected to the top of the bracket 11. When the sum of the volume of the filling chamber 24 and the volume of the upper groove of the dam is less than the pumping amount of the concrete pump 41, the counterweight 491 slides toward the working box 2 as the concrete is pumped; a port is opened at the top of the concrete box 4, and a slide plate 43 is slidably connected inside the concrete box 4. The side wall of the slide plate 43 fits the inner wall of the concrete box 4, a first rack 45 is connected to the slide plate 43, and a second rack 49 is connected to the counterweight 491. A rotating shaft 46 is rotatably connected to the bracket 11, and a first gear 48 meshing with the first rack 45 and a second gear 47 meshing with the second rack 49 are connected to the rotating shaft 46; a pipe 44 is connected to the slide plate 43, and an electromagnetic valve is arranged on the pipe 44. A displacement sensor is arranged in the piston cylinder 31. When the displacement sensor does not detect the upward movement of the ratchet column 35, the electromagnetic valve is closed, so that the slide plate 43 descends with the concrete discharge to drive the counterweight 491 to move toward the working box 2.

[0055] When the pouring pressure of concrete is high, the ratchet column 35 does not slide relative to the piston cylinder 31, so that the solenoid valve will not open at this time. When the amount of concrete in the concrete box 4 decreases, the slide plate 43 can move downward under the action of external air pressure, so that the first rack 45 moves downward and drives the first gear 48 to rotate. At this time, the rotating shaft 46 rotates, so that the rotating shaft 46 drives the second gear 47 to rotate, and the second gear 47 drives the second rack 49 meshing therewith to slide, and then the counterweight block 491 connected to the second rack 49 moves toward the direction of the working box 2, so that the device The center of gravity of the whole is shifted toward the working box 2, increasing the downward pressure of the leak-proof frame 241 on the dam, preventing excessive concrete from leaking through the contact portion between the leak-proof frame 241 and the dam when the concrete pumping pressure is high. When the displacement sensor detects that the ratchet column 35 slides upward, the concrete pumping pressure will not be too high, so that the solenoid valve is opened at this time, so that the internal and external air pressures of the concrete box 4 are balanced, so that when the amount of concrete in the concrete box 4 decreases, the slide plate 43 will not slide down, and the counterweight block 491 will not move, thereby reducing the energy consumption of the concrete pump 41;

[0056] The second rack 49 and the counterweight 491 can be connected by bolts, or a hydraulic rod can be connected to the counterweight 491 so that the output end of the hydraulic rod is plugged into the second rack 49, so that the two can be separated. After the two are separated, the counterweight 491 can be pushed back to its original position by ropes or other means, and then the counterweight 491 can be connected to the second rack 49, so that the device can continuously construct anti-seepage plates for the dam.

[0057] A method for constructing a dam concrete anti-seepage plate comprises the following steps:

[0058] S1, hoist the entire device to the inner side of the dam, and control the mechanical arm so that the slotted cavity 21 of the working box 2 faces the possible water seepage part of the dam;

[0059] S2, start the drill 23, control the robot arm to make the working box 2 approach the dam, so that multiple drills 23 drill holes for the dam;

[0060] S3, after observing that the limit rod 211 contacts the dam, the operation of the mechanical arm is stopped, and the slider 22 is controlled to slide in the slotting cavity 21, so that the multiple drill bits 23 move horizontally to slot the dam;

[0061] S4, the drill bit 23 senses the hardness of the dam during the drilling process. If the hardness is high, the drilling resistance of the drill bit 23 is large, otherwise the drilling resistance is small. After the groove is opened, the working box 2 is turned over, the filling chamber 24 is buckled on the groove, and the concrete pump 41 is operated to pump concrete into the groove to enhance the waterproof effect of the dam;

[0062] S5. If the drilling resistance of the drill bit 23 is small, the density of the dam is low and the volume of the filling cavity 24 is small. At this time, the total volume of the filling cavity 24 and the groove is less than the amount of concrete pumped, so that the pressure of the concrete after pumping is large, so that the concrete can penetrate into the dam and increase the later firmness. On the contrary, the pressure of the concrete after pumping is not too high, which prevents the concrete from seeping out in large quantities from the contact part between the leak-proof frame 241 and the dam.

[0063] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction device for a dam concrete anti-seepage plate, characterized in that: The invention comprises a supporting mechanism, wherein the supporting mechanism comprises a hydraulic arm, the hydraulic arm is connected to a working box (2), the working box (2) is provided with a slotting cavity (21) and a filling cavity (24), a plurality of sliders (22) are transversely slidably connected in the slotting cavity (21), a drill bit (23) is rotatably connected to the plurality of sliders (22), and a limiting rod (211) is provided at each of the four corners of the slotting cavity (21), and the distance between the end of the limiting rod (211) and the slotting cavity (21) is smaller than the distance between the drill bit (23) and the slotting cavity (21); When the slotting cavity (21) faces the dam, the working box (2) approaches the dam so that the plurality of drill bits (23) drill holes in the dam, and after the limiting rod (211) contacts the dam, the slider (22) slides so that the drill bits (23) slot in the dam; After the drill bit (23) has slotted the dam, the working box (2) is turned over so that the filling chamber (24) is buckled onto the slotted portion of the dam, thereby pouring concrete into the slot.

2. The construction device for dam concrete anti-seepage plate according to claim 1 is characterized in that: A leak-proof frame (241) is connected to the port of the filling cavity (24).

3. The construction device for dam concrete anti-seepage plate according to claim 2, characterized in that: The support mechanism comprises a base (1), and the hydraulic arm is connected to the base (1); The hydraulic arm comprises two columns (12) symmetrically connected to the base (1); a mounting seat (13) is vertically slidably connected to the column (12); a first hydraulic rod (14) and a second hydraulic rod (15) are hingedly connected to the mounting seat (13); an output end of the second hydraulic rod (15) is hingedly connected to a cylinder body of the first hydraulic rod (14); a rotary hydraulic cylinder (16) is connected to the output end of the first hydraulic rod (14); and the rotary hydraulic cylinder (16) is connected to an end of the working box (2).

4. The construction device for dam concrete anti-seepage plate according to claim 3 is characterized in that: A bracket (11) is fixedly connected to the base (1), a concrete box (4) is connected between the bracket (11) and the base (1), and a pumping pipe (42) is connected between the concrete box (4) and the filling chamber (24).

5. The construction device for dam concrete anti-seepage plate according to claim 4 is characterized in that: An L-shaped plate (33) is slidably connected in the filling cavity (24). When the L-shaped plate (33) slides, the total volume of the filling cavity (24) and the groove on the dam is changed. When the drilling resistance of the drill bit (23) to the dam is low, the total volume of the filling cavity (24) and the groove on the dam is less than the amount of concrete pumped by the concrete pump (41), so that the pressure of the concrete pumped into the groove on the dam is high. When the drilling resistance of the drill bit (23) to the dam is high, the total volume of the filling cavity (24) and the groove on the dam is equal to the amount of concrete pumped by the concrete pump (41), so that the pressure of the concrete pumped into the groove on the dam is low.

6. The construction device for dam concrete anti-seepage plate according to claim 5, characterized in that: It also comprises a piston cylinder (31), the piston cylinder (31) being connected to the working box (2) via a connecting frame (3), a ratchet column (35) being slidably connected inside the piston cylinder (31), a ratchet pawl (39) cooperating with the ratchet column (35) being slidably connected to the connecting frame (3), a spring (34) being connected between the top of the ratchet column (35) and the piston cylinder (31), a piston plate (36) being connected to the bottom of the ratchet column (35), a connecting rod (32) being connected between the piston plate (36) and the L-shaped plate (33), a first hydraulic oil pipe (37) and a second hydraulic oil pipe (38) being connected to the space between the piston plate (36) and the piston cylinder (31), the first hydraulic oil pipe (37) being connected to a hydraulic oil pump (371), and the second hydraulic oil pipe (38) being connected to the first hydraulic rod (14); When the drilling resistance of the drill bit (23) is large, the flow resistance of the hydraulic oil increases and pushes the piston plate (36) upward, so that the connecting rod (32) drives the L-shaped plate (33) upward to increase the volume of the filling chamber (24); and, when the drilling resistance of the drill bit (23) is small, the flow resistance of the hydraulic oil remains unchanged, the piston plate (36) does not slide, and the L-shaped plate (33) maintains its original position, so that the volume of the filling chamber (24) does not increase.

7. The construction device for dam concrete anti-seepage plate according to claim 6, characterized in that: The pumping pipe (42) is connected to a concrete pump (41), and the concrete pump (41) pumps a fixed amount of concrete into the filling cavity (24). The pumping amount of the concrete pump (41) is equal to the sum of the maximum volume of the filling cavity (24) and the volume of the upper groove of the dam.

8. The construction device for dam concrete anti-seepage plate according to claim 7, characterized in that: A pressure stabilizing hole is provided on the top of the piston cylinder (31).

9. A method for constructing the dam concrete anti-seepage plate construction device according to claim 8, characterized in that: The following steps are involved: S1. The device is hoisted as a whole on the inner side of the dam, and the mechanical arm is controlled so that the slotted cavity (21) of the working box (2) faces the possible water seepage part of the dam; S2, starting the drill bit (23), controlling the mechanical arm so that the working box (2) approaches the dam, so that the multiple drill bits (23) drill holes for the dam; S3, after observing that the limit rod (211) contacts the dam, the operation of the mechanical arm is stopped, and the slider (22) is controlled to slide in the slotting cavity (21), so that the multiple drill bits (23) move horizontally to slot the dam; S4, the drill bit (23) senses the hardness of the dam during the drilling process. If the hardness is high, the drilling resistance of the drill bit (23) is large, otherwise the drilling resistance is small. After the groove is opened, the working box (2) is turned over, the filling chamber (24) is buckled on the opened groove, and the concrete pump (41) is operated to pump concrete into the groove to enhance the waterproof effect of the dam; S5. If the drilling resistance of the drill bit (23) is small, the density of the dam is low and the volume of the filling cavity (24) is small. At this time, the total volume of the filling cavity (24) and the groove is less than the amount of concrete pumped, so that the pressure of the concrete after pumping is large, so that the concrete can penetrate into the dam, increasing the firmness in the later stage. On the contrary, the pressure of the concrete after pumping is not too high, preventing the concrete from leaking out in large quantities from the contact part between the leak-proof frame (241) and the dam.

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