Precise grouting device for repairing waterproof curtain of deep foundation pit

Abstract

The utility model relates to the technical field of building grouting, and discloses an accurate grouting device for repairing a waterproof curtain of a deep foundation pit, which comprises a grouting fixing frame, a parallel moving guide rail is arranged on the side surface of the grouting fixing frame, and a threaded lifting column is rotatably connected to the inner side of the grouting fixing frame. According to the device, the threaded lifting column can be driven by the operation driving motor to drive the lifting adjusting table to ascend and descend, the grouting pipe mounting table can be pushed by the translation hydraulic cylinder to perform parallel displacement, the clamping mounting handle is hinged to the grouting pipe mounting table and can clamp a grouting end, and the clamping mounting handle can be pushed by the operation angle control cylinder to perform vertical angle adjustment. According to the device, the whole grouting end can be lifted, horizontally moved and adjusted in angle, the device is suitable for grout repairing operation in the complex deep pit environment, manual pouring is not needed, safety is high, grouting position adjustment can be conducted in multiple directions and multiple angles, the device is suitable for repairing operation on a curtain in the complex environment, grouting is accurate, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building grouting, specifically is accurate grouting device for deep foundation pit water stop curtain repair. BACKGROUND

[0002] In deep foundation pit engineering, water stop curtain is the core structure of controlling groundwater permeation. The current commonly used technologies include high-pressure rotary jet pile, deep mixing pile, underground continuous wall, etc. Foundation pit is a soil pit excavated at the foundation design position according to the foundation elevation and foundation plane size, which belongs to a temporary engineering to provide working space for foundation laying operation; water stop curtain is used to prevent or reduce the inflow of groundwater in the foundation pit sidewall and foundation pit bottom into the foundation pit, and after the completion of pouring manufacturing, cracks and holes may occur due to temperature, environment or poor pouring, etc., which need to be repaired by point pouring operation.

[0003] In the existing deep foundation pit engineering, when the water stop curtain has holes, cracks or even water leakage damage, artificial vertex cement pouring operation is usually carried out, but in the actual work process, the existing water stop curtain is installed in the deep pit, and the holes and cracks may be in the middle or upper part of the foundation pit, so the staff cannot conveniently reach the damaged part, the repair difficulty is relatively high, the construction hidden danger is large, and the safety is insufficient. The common grouting equipment usually only falls vertically or obliquely, cannot accurately grout and repair according to the complex damage position of the water stop curtain, the multi-angle adjustment activity is insufficient, the operation performance is poor, and the practicality is not good enough. Therefore, we propose the accurate grouting device for deep foundation pit water stop curtain repair to solve the above problems. UTILITY MODEL CONTENTS

[0004] (I) Technical problem solved

[0005] In view of the defects of the prior art, the utility model provides the accurate grouting device for deep foundation pit water stop curtain repair, which has the advantages of no manual pouring, high safety, multi-directional and multi-angle grouting position adjustment, suitable for repair operation of the curtain in complex environment, accurate grouting, high practicality and the like.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: the accurate grouting device for deep foundation pit water stop curtain repair, including grouting fixing frame, the side surface of grouting fixing frame is equipped with parallel movement guide rail;

[0008] The inner side of the grouting fixing frame is rotationally connected with a threaded lifting column, the threaded lifting column is threadedly connected with a lifting adjusting table, the lifting adjusting table is slidingly connected with parallel moving guide rails, the top of the grouting fixing frame is provided with a driving motor, the output end of the driving motor is connected with the threaded lifting column, the lifting adjusting table is provided with a translation hydraulic cylinder, and the translation hydraulic cylinder is provided with a grouting pipe mounting table;

[0009] The grouting pipe mounting table is hingedly provided with a clamping mounting handle on the side away from the translation hydraulic cylinder, the clamping mounting handle clamps and fixes a grouting end head, the top of the grouting end head is provided with a grouting flow guide pipe, the top of the grouting flow guide pipe is fixedly hung on the top of the grouting pipe mounting table, and an angle control cylinder body is hingedly arranged between the clamping mounting handle and the grouting pipe mounting table.

[0010] Preferably, a bearing anti-deviation seat is arranged below the grouting fixing frame, a bearing cylinder is arranged at the bottom of the grouting fixing frame, a stepping motor is arranged on the bearing anti-deviation seat, the bearing cylinder is rotationally connected to the top of the bearing anti-deviation seat, driving gears are arranged at the outer side of the bearing cylinder and the output end of the stepping motor, and the opposite sides of the two driving gears are engaged.

[0011] Preferably, mounting rings are arranged at the four corners of the edge of the bearing anti-deviation seat, and fixed pegs are inserted and fixed in the four mounting rings.

[0012] Preferably, a rotating bearing column is arranged at the top of the bearing anti-deviation seat, the bottom of the bearing cylinder is rotatably sleeved on the rotating bearing column, and the grouting fixing frame is rotationally connected with the rotating bearing column.

[0013] Preferably, the grouting fixing frame is in a U shape as a whole, the two ends of the threaded lifting column are rotationally connected to the upper and lower sides inside the grouting fixing frame, and the top of the threaded lifting column penetrates through the upper side of the grouting fixing frame and is connected with the output end of the driving motor.

[0014] Preferably, the number of the translation hydraulic cylinders is not less than two, a switch controller is arranged on the side surface of the grouting fixing frame, the output ends of the switch controller are electrically connected with the output ends of the driving motor, the translation hydraulic cylinder and the angle control cylinder body, and the translation hydraulic cylinder and the angle control cylinder body are hydraulic cylinder bodies.

[0015] Preferably, the clamping mounting handle comprises a hinged mounting seat and a pipe body clamp, the hinged mounting seat is fixedly installed at the grouting pipe mounting table, the pipe body clamp is hingedly connected to the hinged mounting seat, the hinged end head of the pipe body clamp is a square end head, and the two ends of the angle control cylinder body are hingedly connected with the pipe body clamp and the grouting pipe mounting table.

[0016] Preferably, the top of the grouting pipe mounting platform is provided with supporting rollers, and the grouting guide pipe is supported and placed on the supporting rollers.

[0017] (III) Beneficial Effects

[0018] Compared with the prior art, this utility model provides a precision grouting device for repairing water-stop curtains in deep foundation pits, which has the following beneficial effects:

[0019] 1. This precision grouting device for deep foundation pit cutoff wall repair uses a drive motor to drive a threaded lifting column, which in turn drives a lifting adjustment platform on the threaded lifting column for lifting and adjustment operations. The lifting is limited by a parallel moving guide rail, ensuring stable lifting. A horizontal hydraulic cylinder is installed on the side of the lifting adjustment platform, which can push the grouting pipe mounting platform for parallel displacement. A clamping installation handle is hinged to the grouting pipe mounting platform to hold the grouting end. An angle control cylinder can push the clamping installation handle to adjust the vertical angle, allowing the grouting end to be lifted, moved horizontally, and its angle adjusted. Grout is injected into the grouting end through a grouting guide pipe, and the grouting repair operation is performed at the grouting end. This device is suitable for grouting repair operations of cutoff walls in complex deep pit environments, eliminating the need for manual pouring, ensuring high safety, and allowing for multi-directional and multi-angle grouting position adjustment. It is suitable for curtain repair operations in complex environments, providing precise grouting and high practicality. Attached Figure Description

[0020] Figure 1 This is a frontal perspective three-dimensional schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a top-view perspective view of the structure of this utility model;

[0022] Figure 3 This is a three-dimensional sectional view of the structure of this utility model.

[0023] Figure 4 This is a top-view perspective view of the connection structure between the load-bearing anti-deviation seat and the rotating load-bearing column of this utility model;

[0024] Figure 5 This is a three-dimensional view of the structure of this utility model from below.

[0025] In the diagram: 1. Grouting fixing frame; 2. Parallel moving guide rail; 3. Threaded lifting column; 4. Lifting adjustment platform; 5. Drive motor; 6. Translation hydraulic cylinder; 7. Grouting pipe mounting platform; 8. Clamping and mounting handle; 81. Hinge mounting seat; 82. Pipe clamp; 9. Grouting end; 10. Grouting guide pipe; 11. Bearing anti-deviation seat; 12. Bearing cylinder; 13. Stepper motor; 14. Drive gear; 15. Mounting ring; 16. Fixed ground nail; 17. Angle control cylinder; 18. Rotating bearing column; 19. Switch controller; 20. Support roller. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] Please refer to Figures 1-5 The precision grouting device for repairing the waterproof curtain of a deep foundation pit comprises a grouting fixing frame 1, and parallel moving guide rails 2 are arranged on the side surface of the grouting fixing frame 1.

[0028] A threaded lifting column 3 is rotationally connected to the inner side of the grouting fixing frame 1, a lifting adjusting table 4 is threadedly connected to the threaded lifting column 3, the lifting adjusting table 4 is slidingly connected to the parallel moving guide rails 2, a driving motor 5 is arranged on the top of the grouting fixing frame 1, the output end of the driving motor 5 is connected with the threaded lifting column 3, a translation hydraulic cylinder 6 is arranged on the lifting adjusting table 4, and a grouting pipe mounting table 7 is arranged on the translation hydraulic cylinder 6.

[0029] A clamping mounting handle piece 8 is hingedly arranged on the side of the grouting pipe mounting table 7 away from the translation hydraulic cylinder 6, a grouting end head 9 is clamped and fixed to the clamping mounting handle piece 8, a grouting flow guide pipe 10 is arranged on the top of the grouting end head 9, the top of the grouting flow guide pipe 10 is fixedly hung on the top of the grouting pipe mounting table 7, and an angle control cylinder body 17 is hingedly arranged between the clamping mounting handle piece 8 and the grouting pipe mounting table 7.

[0030] The beneficial effects expressed by the scheme are as follows: the threaded lifting column 3 is arranged on the inner side of the grouting fixing frame 1, the driving motor 5 can drive the threaded lifting column 3, and then drive the lifting adjusting table 4 on the threaded lifting column 3 to perform lifting adjustment operation, the lifting adjusting table 4 can be limited by the parallel moving guide rails 2 and always displace in the thread of the parallel moving guide rails 2, the lifting displacement remains horizontal and stable, the translation hydraulic cylinder 6 is arranged on the side surface of the lifting adjusting table 4 and can push the grouting pipe mounting table 7 to perform parallel displacement, the clamping mounting handle piece 8 is hingedly arranged on the grouting pipe mounting table 7 and can clamp the grouting end head 9, the angle control cylinder body 17 can push the clamping mounting handle piece 8 to perform up-down angle adjustment, the grouting end head 9 as a whole can perform lifting, horizontal movement and angle adjustment, the grouting end head 9 can be grouted by the grouting flow guide pipe 10, and the grouting end head 9 can perform grouting repair operation, so that the device is suitable for grouting repair operation of the waterproof curtain in a complex deep pit environment, the device does not need manual pouring, has high safety, can perform grouting position adjustment in multiple directions and multiple angles, is suitable for repair operation of the curtain in a complex environment, grouting is accurate, and the device has high practicability.

[0031] Further, the lower part of the grouting fixing frame 1 is provided with a bearing anti-deviation seat 11, the bottom of the grouting fixing frame 1 is provided with a bearing cylinder 12, the bearing anti-deviation seat 11 is provided with a stepping motor 13, the bearing cylinder 12 is rotationally connected to the top of the bearing anti-deviation seat 11, the outer side of the bearing cylinder 12 and the output end of the stepping motor 13 are both provided with a driving gear 14, and the opposite sides of the two driving gears 14 are engaged;

[0032] By arranging the bearing anti-deviation seat 11 below the grouting fixing frame 1, the grouting fixing frame 1 can be supported by the bearing anti-deviation seat 11, and the bottom of the grouting fixing frame 1 is provided with the bearing cylinder 12, which can be mounted and rotated on the rotating bearing column 18, so that the grouting fixing frame 1 can rotate on the top of the bearing anti-deviation seat 11. The outer side of the bearing cylinder 12 and the output end of the stepping motor 13 are both provided with a driving gear 14, and the operation of the stepping motor 13 can drive the other driving gear 14 through the engagement of the driving gears 14, thereby driving the bearing cylinder 12 and the grouting fixing frame 1 to rotate, driving the grouting end 9 to adjust the horizontal angle, and further improving the angle adjustment capability of the device, and the adaptability and practicality are excellent.

[0033] Further, the four corners of the edge of the bearing anti-deviation seat 11 are provided with mounting rings 15, and the four mounting rings 15 are all inserted and fixed with fixed pegs 16;

[0034] By arranging the mounting rings 15 on the four corners of the bearing anti-deviation seat 11, the fixed pegs 16 can be fixedly installed, which is stable and not easy to tilt and slip, and the safety and practicality are excellent.

[0035] Further, the top of the bearing anti-deviation seat 11 is provided with a rotating bearing column 18, and the bottom of the bearing cylinder 12 is rotatably sleeved on the rotating bearing column 18, and the grouting fixing frame 1 is rotationally connected to the grouting fixing frame 1 by the rotating bearing column 18;

[0036] By arranging the rotating bearing column 18, the bottom of the grouting fixing frame 1 is provided with the bearing cylinder 12, which can be mounted and rotated on the rotating bearing column 18, so that the grouting fixing frame 1 can rotate on the top of the bearing anti-deviation seat 11. The bearing rotation is convenient for rotating and adjusting the angle, and the practicality is excellent.

[0037] Further, the grouting fixing frame 1 is in the shape of a U, and the two ends of the threaded lifting column 3 are respectively rotationally connected to the upper and lower sides inside the grouting fixing frame 1, and the top of the threaded lifting column 3 penetrates to the upper part of the grouting fixing frame 1 and is connected with the output end of the driving motor 5;

[0038] By arranging the grouting fixing frame 1 in the shape of a U, the threaded lifting column 3 can be stably supported, and the operation of the driving motor 5 can stably drive the threaded lifting column 3 to rotate, and the rotation is stable.

[0039] Further, the number of translation hydraulic cylinders 6 is not less than two, and the side of the grouting fixing frame 1 is provided with a switch controller 19, the output end of the switch controller 19 is electrically connected with the output end of the driving motor 5, the translation hydraulic cylinder 6 and the angle control cylinder body 17 respectively, and the translation hydraulic cylinder 6 and the angle control cylinder body 17 are hydraulic cylinder bodies;

[0040] By setting the number of translation hydraulic cylinders 6 to be not less than two, the horizontal support grouting pipe mounting table 7 can be stably supported, so that the running of the support table is stable, and the adaptability is excellent.

[0041] Further, the clamping mounting handle 8 comprises a hinged mounting seat 81 and a pipe clamp 82, the hinged mounting seat 81 is fixedly installed at the grouting pipe mounting table 7, and the pipe clamp 82 is hingedly connected to the hinged mounting seat 81, the hinged end head of the pipe clamp 82 is a square end head, and the two ends of the angle control cylinder body 17 are hingedly connected with the pipe clamp 82 and the grouting pipe mounting table 7 respectively;

[0042] By setting the clamping mounting handle 8 to comprise the hinged mounting seat 81 and the pipe clamp 82, the hinged mounting seat 81 can hingedly support the pipe clamp 82, so that the pipe clamp 82 can be adjusted in angle upward and downward, the running angle control cylinder body 17 can drive the pipe clamp 82 to perform angle adjustment operation, so that the clamping mounting handle 8 clamped on the pipe clamp 82 can be stably clamped and fixed, and the angle adjustment effect is good.

[0043] Further, the top of the grouting pipe mounting table 7 is provided with a supporting roller 20, and the grouting flow guide pipe 10 is supported and placed on the supporting roller 20;

[0044] By setting the supporting roller 20, the grouting flow guide pipe 10 can be stably supported and positioned at the supporting roller 20, the installation and bearing are stable and convenient, and the practicality is excellent.

[0045] It should be noted that all the devices in the application are common market devices, which can be selected according to the needs in specific use, and the circuit connection relationship of each device is a simple series and parallel connection circuit, and there is no innovation point in the circuit connection, which can be easily realized by the person skilled in the art and belongs to the prior art, and will not be described in detail.

[0046] Working principle: by arranging the threaded lifting column 3 on the inner side of the grouting fixing frame 1, driving the threaded lifting column 3 by the driving motor 5, driving the lifting adjustment table 4 on the threaded lifting column 3 to perform lifting adjustment operation, when the lifting adjustment table 4 is driven by the threaded lifting column 3, it can be limited by the parallel moving guide rail 2, so that it can always be displaced in the thread of the parallel moving guide rail 2 during lifting operation, and the lifting displacement is kept stable and horizontal;

[0047] The lifting adjusting table 4 is provided with a translation hydraulic cylinder 6 on the side, which can push the grouting pipe mounting table 7 to move in parallel, the grouting pipe mounting table 7 is hinged with a clamping mounting handle 8, which can clamp a grouting end head 9, the running angle control cylinder 17 can push the clamping mounting handle 8 to adjust the angle up and down, and drive the grouting end head 9 to adjust the angle up and down, so that the grouting end head 9 can be lifted, moved horizontally and adjusted in angle, the grouting end head 9 can be guided and injected by the grouting guide pipe 10, and the grouting end head 9 can be used for grouting repair work, so as to be suitable for grouting repair work of the water curtain in a complex pit environment;

[0048] The grouting fixing frame 1 can be supported by the bearing anti-deviation seat 11, the bearing anti-deviation seat 11 is provided with a mounting ring 15 at four corners, a fixed ground nail 16 can be fixedly installed, the installation is stable, and the grouting fixing frame 1 is provided with a bearing cylinder 12 at the bottom, which can be hung on the rotating bearing column 18 to rotate, the running step motor 13 can drive the bearing cylinder 12 and the grouting fixing frame 1 by the meshing transmission of the two driving gears 14, drive the grouting end head 9 to adjust the horizontal angle, the device has excellent multi-angle adjustment capability, does not need manual grouting, has high safety, does not need manual pouring, has high safety, can adjust the grouting position in multiple directions and multiple angles, is suitable for repair work of the curtain in a complex environment, has accurate grouting, and has high practicability.

[0049] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or apparatus. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or apparatus including the element.

[0050] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A precision grouting device for repairing a waterproof curtain of a deep foundation pit, comprising a grouting fixing frame (1), characterized in that: The side of the grouting fixing frame (1) is provided with parallel moving guide rails (2); ​ The inner side of the grouting fixing frame (1) is rotationally connected with a threaded lifting column (3), the threaded lifting column (3) is threadedly connected with a lifting adjusting table (4), the lifting adjusting table (4) is slidingly connected to the parallel moving guide rails (2), the top of the grouting fixing frame (1) is provided with a driving motor (5), the output end of the driving motor (5) is connected with the threaded lifting column (3), the lifting adjusting table (4) is provided with a translation hydraulic cylinder (6), the translation hydraulic cylinder (6) is provided with a grouting pipe mounting table (7); The side of the grouting pipe mounting table (7) away from the translation hydraulic cylinder (6) is hingedly provided with a clamping mounting handle piece (8), the clamping mounting handle piece (8) clamps and fixes a grouting end head (9), the top of the grouting end head (9) is provided with a grouting flow guide pipe (10), the top of the grouting flow guide pipe (10) is fixedly hung on the top of the grouting pipe mounting table (7), the clamping mounting handle piece (8) and the grouting pipe mounting table (7) are hingedly provided with an angle control cylinder body (17).

2. The precision grouting device for repairing a waterproof curtain of a deep foundation pit according to claim 1, characterized in that: The bottom of the grouting fixing frame (1) is provided with a bearing anti-deviation seat (11), the bottom of the grouting fixing frame (1) is provided with a bearing cylinder (12), the bearing anti-deviation seat (11) is provided with a stepping motor (13), the bearing cylinder (12) is rotationally connected to the top of the bearing anti-deviation seat (11), the outer side of the bearing cylinder (12) and the output end of the stepping motor (13) are both provided with driving gears (14), the opposite sides of the two driving gears (14) are engaged.

3. The precision grouting device for repairing a waterproof curtain of a deep foundation pit according to claim 2, characterized in that: The four corners of the edge of the bearing anti-deviation seat (11) are provided with mounting rings (15), the four mounting rings (15) are all insertedly and fixedly provided with fixed pegs (16).

4. The precision grouting device for repairing a waterproof curtain of a deep foundation pit according to claim 2, characterized in that: The top of the bearing anti-deviation seat (11) is provided with a rotating bearing column (18), the bottom of the bearing cylinder (12) is rotatably sleeved on the rotating bearing column (18), the grouting fixing frame (1) is rotationally connected with the rotating bearing column (18) and the grouting fixing frame (1).

5. The precision grouting device for deep foundation pit waterproof curtain repair according to claim 1, characterized in that: The grouting fixing frame (1) is in a whole U shape, the two ends of the threaded lifting column (3) are respectively rotationally connected to the upper and lower sides inside the grouting fixing frame (1), the top of the threaded lifting column (3) penetrates to the upper side of the grouting fixing frame (1) and is connected with the output end of the driving motor (5).

6. The precision grouting device for deep foundation pit waterproof curtain repair according to claim 1, characterized in that: The number of the translation hydraulic cylinders (6) is not less than two, the side of the grouting fixing frame (1) is provided with a switch controller (19), the output end of the switch controller (19) is respectively electrically connected with the output ends of the driving motor (5), the translation hydraulic cylinders (6) and the angle control cylinder body (17), the translation hydraulic cylinders (6) and the angle control cylinder body (17) are both hydraulic cylinder bodies.

7. The precision grouting device for deep foundation pit waterproof curtain repair according to claim 1, characterized in that: The clamping mounting handle (8) comprises a hinged mounting seat (81) and a pipe body clamp (82), the hinged mounting seat (81) is fixedly mounted at the grouting pipe mounting table (7), the pipe body clamp (82) is hingedly connected to the hinged mounting seat (81), the hinged end head of the pipe body clamp (82) is a square end head, and the two ends of the angle control cylinder (17) are respectively hingedly connected with the pipe body clamp (82) and the grouting pipe mounting table (7).

8. The precision grouting device for deep foundation pit waterproof curtain repair according to claim 1, characterized in that: The top of the grouting pipe mounting table (7) is provided with a supporting roller (20), and the grouting guide pipe (10) is supported and placed on the supporting roller (20).

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