Concrete dam crack repairing epoxy mortar construction device

Abstract

The utility model relates to crack repair technical field, concretely is a kind of concrete dam crack repair epoxy mortar construction device: including dam body, the surface of dam body is provided with operation frame, the surface of operation frame is provided with fixed mechanism, the fixed mechanism includes support pipe, the support pipe fixedly connected on the surface of operation frame, the bottom of support pipe is fixedly connected with vacuum chuck. The utility model is attached to the surface of dam body by the vacuum chuck of fixed mechanism adsorption, and operation frame is supported, and the extrusion plate of injection mechanism exports epoxy glue in raw material box inside on the cement mortar on dam crack through material outlet, and raw material box is slid in operation frame, so that material outlet can evenly export epoxy mortar along crack, and the trowelling plate of raw material box side is flattened by epoxy mortar on the surface of dam, guarantee the construction efficiency of epoxy mortar, guarantee the construction quality of epoxy mortar.

Description

Technical Field

[0001] This utility model relates to the field of crack repair technology, specifically to an epoxy mortar construction device for repairing cracks in concrete dams. Background Technology

[0002] In the repair of cracks in concrete dams, the traditional repair process generally adopts a composite treatment mode of "grooving and filling + surface sealing". In specific implementation, a U-shaped groove needs to be chiseled along the crack direction first, and then cement mortar is injected into the groove using the pressure grouting method. After it has cured, an epoxy putty layer is covered on the surface of the cement mortar as a protective layer.

[0003] Existing epoxy mortar application methods require manual hoisting for application on the dam's slope. This manual process is time-consuming and labor-intensive, and it is difficult to ensure the uniformity and thickness of the epoxy mortar layer, thus affecting its protective effect and service life. Therefore, a concrete dam crack repair epoxy mortar application device was designed, which can quickly apply epoxy mortar to the dam's slope, ensuring the quality of the epoxy mortar application. Utility Model Content

[0004] The purpose of this invention is to provide an epoxy mortar construction device for repairing cracks in concrete dams, in order to solve the problems mentioned in the background art, such as the time-consuming and labor-intensive nature of manual construction, and the difficulty in ensuring the uniformity and thickness consistency of the epoxy mortar layer, which in turn affects its protective effect and service life.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a construction device for epoxy mortar repair of cracks in concrete dams: It includes a dam body, a working frame is provided on the surface of the dam body, a fixing mechanism is provided on the surface of the working frame, the fixing mechanism includes a support pipe, the support pipe is fixedly connected to the surface of the working frame, a vacuum suction cup is fixedly connected to the bottom of the support pipe and adheres to the surface of the dam body, a connecting pipe is fixedly connected to the top of the support pipe, an air extraction pipe is fixedly connected to the surface of the connecting pipe, an air release pipe is fixedly connected to the surface of the air extraction pipe, an air release valve is provided on the surface of the air release pipe, a vacuum pump is fixedly connected to the surface of the working frame, the suction end of the vacuum pump is connected to the top of the air extraction pipe, and an injection mechanism is provided on the surface of the working frame. The feeding mechanism includes a first motor, which is fixedly connected to the surface of the work frame. A first lead screw is fixedly connected to the output shaft of the first motor. A directional nut is threaded onto the surface of the first lead screw. A raw material box is fixedly connected to the surface of the directional nut. A feeding port is fixedly connected to the bottom of the raw material box. A feeding port is fixedly connected to the surface of the raw material box. A compression cylinder is fixedly connected to the piston rod of the feeding port. A smoothing mechanism is provided on the surface of the raw material box. The smoothing mechanism includes a second motor, which is fixedly connected to the surface of the raw material box. A second lead screw is fixedly connected to the output shaft of the second motor. A moving rod is threaded onto the surface of the second lead screw. A lifting rod is fixedly connected to the surface of the moving rod. A smoothing plate is fixedly connected to the surface of the lifting rod.

[0006] Preferably, the vacuum suction cup is provided in four sets, and the working frame supports the four sets of support tubes through support tubes, and the connecting tube is in the shape of a "U".

[0007] Preferably, the vacuum suction cup forms a sealed space on the inclined surface of the dam body, the vacuum pump extracts air between the vacuum suction cup and the dam body through the suction pipe, the connecting pipe and the support pipe, and the venting valve releases the air inside the suction pipe through the venting pipe.

[0008] Preferably, the first motor drives the first lead screw to rotate via the output shaft, and the first lead screw drives the directional nut to slide on the surface of the work frame by rotating, and the directional nut drives the raw material box to slide on the surface of the work frame.

[0009] Preferably, the extrusion cylinder drives the extrusion plate to move up and down inside the raw material box via the piston rod. The raw material box contains epoxy putty, and the epoxy putty inside the raw material box is output onto the dam body through the material conveying port.

[0010] Preferably, the second motor drives the second lead screw to rotate via the output shaft. A threaded hole is provided on the surface of the moving rod, and the second lead screw is threadedly connected to the threaded hole of the moving rod. The second lead screw drives the moving rod to rise and fall on the surface of the raw material box by rotation.

[0011] Preferably, the moving rod drives the squeegee to rise and fall on one side of the raw material box via a lifting rod, and the squeegee is composed of a flat plate and an inclined plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. Place the vacuum suction cups on both sides of the crack on the dam's slope, so that the work frame is directly above the crack. The vacuum pump uses the extraction pipe, connecting pipe, and support pipe to extract the air between the vacuum suction cups and the dam's slope. The vacuum suction cups adhere to the dam's slope, supporting the work frame. At this time, the extrusion cylinder drives the extrusion plate to descend through the piston rod. The extrusion plate outputs the epoxy resin inside the material box through the feed port onto the cement mortar on the dam crack. The output shaft of the first motor drives the first lead screw to rotate. The first lead screw drives the directional nut to slide on the surface of the work frame. The directional nut drives the material box to slide, so that the feed port can evenly output the epoxy mortar along the crack. The trowel on one side of the material box smooths the epoxy mortar on the dam's slope, ensuring both the efficiency and quality of epoxy mortar construction.

[0014] 2. The second motor output shaft drives the second lead screw to rotate. The rotation of the second lead screw drives the moving rod to rise and fall. The moving rod drives the trowel plate to rise and fall through the lifting rod. The trowel plate changes the troweling height on the dam slope by rising and falling. By adjusting the troweling height of the epoxy mortar, the thickness of the protective layer can be made uniform, and the service life of the repaired structure can be extended. Attached Figure Description

[0015] Figure 1 This is a side view schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a three-dimensional front view of the structure of this utility model;

[0017] Figure 3 This is a three-dimensional sectional view of the structure of this utility model.

[0018] Figure 4 This utility model Figure 2 Enlarged structural diagram at point A;

[0019] Figure 5 This is a frontal sectional perspective view of the raw material box structure of this utility model;

[0020] Figure 6This is a cross-sectional schematic diagram of the epoxy putty of this utility model.

[0021] In the diagram: 1. Dam body; 2. Working frame; 21. Support pipe; 22. Vacuum suction cup; 23. Connecting pipe; 24. Air extraction pipe; 25. Vacuum pump; 26. Air release pipe; 27. Air release valve; 3. First motor; 31. First lead screw; 32. Directional nut; 33. Raw material box; 34. Material inlet; 35. Extrusion cylinder; 36. Extrusion plate; 4. Second motor; 41. Second lead screw; 42. Moving rod; 43. Lifting rod; 44. Squeezing plate. Detailed Implementation

[0022] Please see Figure 1-6 One embodiment provided by this utility model:

[0023] An epoxy mortar application device for repairing cracks in a concrete dam includes a dam body 1. A work frame 2 is mounted on the surface of the dam body 1. A fixing mechanism is mounted on the surface of the work frame 2, including a support pipe 21 fixedly connected to the surface of the work frame 2. A vacuum suction cup 22 is fixedly connected to the bottom of the support pipe 21, adhering to the surface of the dam body 1. A connecting pipe 23 is fixedly connected to the top of the support pipe 21. An extraction pipe 24 is fixedly connected to the surface of the connecting pipe 23. A vent pipe 26 is fixedly connected to the surface of the extraction pipe 24, and a vent valve 27 is mounted on the surface of the vent pipe 26. A vacuum pump 25 is fixedly connected to the surface of the work frame 2, with its suction end connected to the top of the extraction pipe 24. An injection mechanism is mounted on the surface of the work frame 2, including a first motor 3 fixedly connected to the surface of the work frame 2. A first lead screw 31 is fixedly connected to the output shaft of the first motor 3, and a directional nut 32 is threaded onto the surface of the first lead screw 31. A raw material box 33 is fixedly connected to the surface of the mother 32. A feeding port 34 is fixedly connected to the bottom of the raw material box 33. A feeding port 34 is fixedly connected to the surface of the raw material box 33. A compression cylinder 35 is fixedly connected to the piston rod of the feeding port 34. A smoothing mechanism is provided on the surface of the raw material box 33. The smoothing mechanism includes a second motor 4, which is fixedly connected to the surface of the raw material box 33. A second lead screw 41 is fixedly connected to the output shaft of the second motor 4. A movable [device] is threaded onto the surface of the second lead screw 41. A lifting rod 43 is fixedly connected to the surface of the movable rod 42, and a trowel 44 is fixedly connected to the surface of the lifting rod 43. The epoxy mortar construction device is fixed to the inclined surface of the dam body 1 by a fixing device. Then, the epoxy mortar is injected into the cracks on the inclined surface of the dam body 1 by an injection mechanism. Finally, the epoxy mortar is smoothed on the inclined surface of the dam body 1 by a smoothing mechanism, thereby completing the construction of epoxy mortar on the dam body 1. This construction method saves time and labor, and the coating is uniform, ensuring the construction quality of epoxy mortar.

[0024] Furthermore, the vacuum suction cup 22 is provided with four sets. The working frame 2 is supported by the four sets of support pipes 21 through the support pipes 21. The connecting pipe 23 is in the shape of "U". The vacuum suction cup 22 supports the entire working frame 2 on the dam body 1 through the support pipes 21, thereby ensuring the stability of the working frame 2 on the slope of the dam body 1. The support pipes 21 and the connecting pipes 23 are made of steel. The connecting pipes 23 are on both sides of the working frame 2 for easy hand-holding by construction personnel.

[0025] Furthermore, the vacuum suction cup 22 forms a sealed space on the slope of the dam body 1. The vacuum pump 25 extracts air between the vacuum suction cup 22 and the dam body 1 through the air extraction pipe 24, the connecting pipe 23, and the support pipe 21, so that the vacuum suction cup 22 can be firmly attached to the slope of the dam body 1. The vacuum pump 25 is existing technology and can extract air, so that the vacuum suction cup 22 forms a vacuum adsorption state on the dam body 1. The air release valve 27 releases the air inside the air extraction pipe 24 through the air release pipe 26, so that the vacuum suction cup 22 is no longer attached to the dam body 1, making it convenient to remove the work frame 2. The position of the work frame 2 on the dam body 1 can be adjusted according to the position of the crack on the slope of the dam body 1. After a section of epoxy mortar is applied, the position of the work frame 2 on the dam body 1 can be quickly adjusted through the height mechanism. Construction personnel can change the position of the work frame 2 on the slope of the dam body 1 using hoisting equipment. This solution greatly improves the quality and efficiency of the application compared to manual application.

[0026] Furthermore, the first motor 3 drives the first lead screw 31 to rotate through the output shaft. The first lead screw 31 drives the directional nut 32 to slide on the surface of the working frame 2 through rotation. The directional nut 32 drives the raw material box 33 to slide on the surface of the working frame 2. During the movement, the raw material box 33 outputs epoxy putty onto the surface of cement mortar through the feed port 34, thereby forming a protective layer.

[0027] Furthermore, the extrusion cylinder 35 drives the extrusion plate 36 to rise and fall inside the raw material box 33 via the piston rod. The raw material box 33 is filled with epoxy putty. The epoxy putty inside the raw material box 33 is output onto the dam body 1 through the feed port 34. An injection pipe is provided on the top of the raw material box 33 for adding epoxy putty, and a solenoid valve is provided on the feed port 34 to prevent epoxy putty from leaking out randomly at the feed port 34.

[0028] Furthermore, the second motor 4 drives the second lead screw 41 to rotate through the output shaft. The surface of the moving rod 42 is provided with a threaded hole. The second lead screw 41 is threadedly connected to the threaded hole of the moving rod 42. The second lead screw 41 drives the moving rod 42 to rise and fall on the surface of the raw material box 33 by rotation. Since the inclined surfaces of the working frame 2 and the dam body 1 are parallel to each other, the moving rod 42 rises and falls vertically along the inclined surface of the dam body 1.

[0029] Furthermore, the moving rod 42 drives the smearing plate 44 to rise and fall on one side of the raw material box 33 via the lifting rod 43. The smearing plate 44 is composed of a flat plate and an inclined plate. The inclined plate prevents the epoxy mortar from moving onto the surface of the smearing plate 44. The smearing plate 44 moves synchronously with the raw material box 33. During the movement, the smearing plate 44 smooths the epoxy mortar on the inclined surface of the dam body 1.

[0030] Working principle: Construction personnel are hoisted to the inclined surface of dam body 1, and vacuum suction cups 22 are placed on both sides of the cracks on the inclined surface of dam body 1, so that the work frame 2 is directly above the cracks. Vacuum pump 25 extracts air between vacuum suction cups 22 and the inclined surface of dam body 1 through air extraction pipe 24, connecting pipe 23 and support pipe 21. Vacuum suction cups 22 adhere to the inclined surface of dam body 1, supporting the work frame 2. At this time, extrusion cylinder 35 drives extrusion plate 36 to descend through piston rod. Extrusion plate 36 pushes epoxy resin inside raw material box 33 through the conveyor... The material outlet 34 outputs cement mortar onto the cracks in the dam body 1, and the output shaft of the first motor 3 drives the first lead screw 31 to rotate. The first lead screw 31 drives the directional nut 32 to slide on the surface of the work frame 2 through rotation. The directional nut 32 drives the material box 33 to slide, so that the material outlet 34 can evenly output epoxy mortar along the cracks. The trowel 44 on one side of the material box 33 smooths the epoxy mortar on the slope of the dam body 1, ensuring both the construction efficiency and the construction quality of the epoxy mortar.

[0031] The output shaft of the second motor 4 drives the second lead screw 41 to rotate. The rotation of the second lead screw 41 drives the moving rod 42 to rise and fall. The moving rod 42 drives the sizing plate 44 to rise and fall through the lifting rod 43. The sizing plate 44 changes the sizing height on the slope of the dam body 1 by rising and falling. By adjusting the sizing height of the epoxy mortar, the thickness of the protective layer can be made uniform, and the service life of the repaired structure can be extended.

Claims

1. A concrete dam crack repair epoxy mastic construction apparatus comprising a dam body, characterised in that: A work frame is installed on the surface of the dam body, and a fixing mechanism is installed on the surface of the work frame. The fixing mechanism includes a support pipe, which is fixedly connected to the surface of the work frame. A vacuum suction cup is fixedly connected to the bottom of the support pipe and adheres to the surface of the dam body. A connecting pipe is fixedly connected to the top of the support pipe, and an air extraction pipe is fixedly connected to the surface of the connecting pipe. An air release pipe is fixedly connected to the surface of the air extraction pipe, and an air release valve is installed on the surface of the air release pipe. A vacuum pump is fixedly connected to the surface of the work frame, and the suction end of the vacuum pump is connected to the top of the air extraction pipe. An injection mechanism is installed on the surface of the work frame, and the injection mechanism includes a first motor, which is fixedly connected to the work frame. On the surface of the material box, a first lead screw is fixedly connected to the output shaft of the first motor, a directional nut is threaded onto the surface of the first lead screw, a material box is fixedly connected to the surface of the directional nut, a material inlet is fixedly connected to the bottom of the material box, a material inlet is fixedly connected to the surface of the material box, a compression cylinder is fixedly connected to the piston rod of the material inlet, a smoothing mechanism is provided on the surface of the material box, the smoothing mechanism includes a second motor, the second motor is fixedly connected to the surface of the material box, a second lead screw is fixedly connected to the output shaft of the second motor, a moving rod is threaded onto the surface of the second lead screw, a lifting rod is fixedly connected to the surface of the moving rod, and a smoothing plate is fixedly connected to the surface of the lifting rod.

2. The epoxy mortar application device for repairing cracks in concrete dams according to claim 1, characterized in that: The vacuum suction cups are provided in four sets, and the working frame supports the four sets of support tubes through support tubes. The connecting tube is in the shape of a "U".

3. The epoxy mortar application device for repairing cracks in concrete dams according to claim 1, characterized in that: The vacuum suction cup forms a sealed space on the slope of the dam body. The vacuum pump extracts air between the vacuum suction cup and the dam body through the suction pipe, the connecting pipe and the support pipe. The venting valve releases the air inside the suction pipe through the venting pipe.

4. The epoxy mortar application device for repairing cracks in concrete dams according to claim 1, characterized in that: The first motor drives the first lead screw to rotate via its output shaft. The first lead screw, through rotation, causes the directional nut to slide on the surface of the work frame. The directional nut then causes the raw material box to slide on the surface of the work frame.

5. The epoxy mortar application device for repairing cracks in concrete dams according to claim 4, characterized in that: The extrusion cylinder drives the extrusion plate to move up and down inside the raw material box via the piston rod. The raw material box contains epoxy putty, and the epoxy putty inside the raw material box is output onto the dam body through the material conveying port.

6. The epoxy mortar application device for repairing cracks in concrete dams according to claim 1, characterized in that: The second motor drives the second lead screw to rotate through the output shaft. A threaded hole is provided on the surface of the moving rod. The second lead screw is threadedly connected to the threaded hole of the moving rod. The second lead screw drives the moving rod to rise and fall on the surface of the raw material box by rotating.

7. The epoxy mortar application device for repairing cracks in concrete dams according to claim 6, characterized in that: The moving rod drives the squeegee to rise and fall on one side of the raw material box via the lifting rod. The squeegee is composed of a flat plate and an inclined plate.

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