Adjustable concrete structure crack repairing clamp
By designing an adjustable concrete structure crack repair fixture, a servo motor-driven threaded rod structure and pressure sensor are used to achieve precise positioning and uniform clamping of the movable clamping plate, solving the problem that existing fixtures cannot be precisely adjusted, and improving the efficiency and quality of crack repair.
Patent Information
- Application Number
- CN202520274071.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing clamps are difficult to adjust precisely according to the size and specifications of rectangular structural columns and the specific location of cracks, making it difficult to guarantee repair efficiency and quality.
An adjustable concrete structure crack repair clamp was designed, which adopts a servo motor driven bidirectional threaded rod and unidirectional threaded rod structure, combined with a pressure sensor and controller, to achieve precise positioning and uniform clamping of the movable clamping plate, ensuring that the clamping plate is accurately located at the appropriate position of the crack and applies uniform pressure.
It achieves precise positioning and uniform clamping of the clamping plate, improves the accuracy and quality of crack repair, ensures uniform filling of repair material, and protects the integrity and safety of concrete structures.
Smart Images

Figure CN223724239U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to repair fixture technical field, concretely relates to a adjustable concrete structure crack repair fixture. BACKGROUND
[0002] Rectangular construction column is a common concrete structural member, and plays an important role in building engineering, it is generally made of concrete column in the prescribed part of masonry house wall, according to construction reinforcement, and according to the construction sequence of laying wall first and pouring concrete column, is generally arranged at the corner of wall, the position such as the intersection of vertical and horizontal wall, rectangular construction column is prone to crack in the use process due to bearing external load, environmental change or material aging etc., these cracks can affect the strength, durability and safety of structure, therefore, repairing these cracks is crucial to ensure the long-term use of concrete structure, and crack repair fixture as a special tool can help construction personnel accurately control the pressure of fixture and the penetration of repair material in the crack repair process, ensure crack repair quality.
[0003] Because the size specifications of rectangular construction column in different buildings are various, and the cracks generated thereby are also different in width and depth, therefore, the existing fixture is difficult to accurately adjust according to the specific position of crack, cannot ensure that the clamping plate is accurately located at the appropriate position of crack, and then cannot effectively repair the crack, which largely limits the efficiency and quality of repair work, based on this, the present scheme provides a adjustable concrete structure crack repair fixture to solve the problems proposed above. SUMMARY
[0004] To solve the above technical problems, provide a kind of adjustable concrete structure crack repair fixture, the technical scheme of the present application solves the problems proposed in the background art that due to the size specifications of rectangular construction column in different buildings are various, and the cracks generated thereby are also different in width and depth, therefore, the existing fixture is difficult to accurately adjust according to the specific position of crack, cannot ensure that the clamping plate is accurately located at the appropriate position of crack, and then cannot effectively repair the crack, which largely limits the efficiency and quality of repair work.
[0005] To achieve the above object, the utility model adopts the technical scheme that is: a adjustable concrete structure crack repair clamp, including the mounting block, the inside of mounting block is equipped with rectangular groove, the rear end of mounting block is equipped with rectangular opening, the rectangular opening is linked together with rectangular groove, the inside of rectangular groove is rotatably installed with two -way screw rod, the outer surface left and right two ends of two -way screw rod are all screw -threaded with first moving block, the rear end of first moving block is fixedly connected with second moving block, the outer surface of second moving block is slidably connected in the inside of rectangular opening, the front end of second moving block is fixedly connected with first fixed block, the rear end of first fixed block is fixedly connected with second fixed block, rotatably installed with one -way screw rod between first fixed block and second fixed block, the outer surface of one -way screw rod is screw -threaded with movable clamping plate, the inside of movable clamping plate is equipped with installation groove, the inside of installation groove is provided with pressure sensor, the inside of movable clamping plate is equipped with rubber pad.
[0006] Preferably, the right end of the mounting block is fixedly installed with a servo motor, the output end of the servo motor penetrates the inside of the rectangular groove and is fixedly connected with the right end of the two-way screw rod, the outside of the servo motor is provided with a protective cover, and the left end of the protective cover is fixedly connected with the right end of the mounting block.
[0007] Preferably, the upper and lower sides of the one-way screw rod are each provided with a limiting rod, the front and rear ends of the limiting rod are respectively fixedly connected with the rear end of the first fixed block and the front end of the second fixed block, and the movable clamping plate is slidably connected to the outer surface of the limiting rod.
[0008] Preferably, the rear end of the one-way screw rod is fixedly connected with a connecting rod, the rear end of the connecting rod is fixedly connected with a rotating disc, the outer surface of the rotating disc is fixedly connected with a marker plate, the rear end of the second fixed block is fixedly connected with an annular scale disc, and the annular scale disc is located on the outside of the connecting rod.
[0009] Preferably, the middle of the front end of the mounting block is provided with a controller, the left and right sides of the lower end of the mounting block are each fixedly connected with a connecting block, and the lower end of the connecting block is fixedly connected with a mounting plate.
[0010] Compared with the prior art, the utility model provides a adjustable concrete structure crack repair clamp, which has the following beneficial effects:
[0011] The utility model discloses through rotating two rotating discs can drive two one -way screw rods to rotate, through the marker plate on the rotating disc and the annular scale disc that second fixed block rear side sets up, can make two movable clamping plates move the same distance, and then can ensure that movable clamping plate is accurately located in the suitable position of crack, and then through servo motor drive two -way screw rod rotates, and then can drive two movable clamping plates to move to the same or opposite direction, so that can adapt to the rectangular structure column of different size. Attached Figure Description
[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0013] Figure 2 This is a three-dimensional structural schematic diagram from another perspective of the present invention;
[0014] Figure 3 This is a schematic diagram of the structure of the mounting block in this utility model;
[0015] Figure 4 This is a schematic diagram of the structure of the movable clamp in this utility model;
[0016] Figure 5 for Figure 2 A magnified view of a portion of point A in the middle.
[0017] The numbers on the map are:
[0018] 1. Mounting block; 2. Rectangular groove; 3. Bidirectional threaded rod; 4. First moving block; 5. Rectangular opening; 6. Second moving block; 7. Servo motor; 8. Protective cover; 9. First fixing block; 10. Second fixing block; 11. Limiting rod; 12. One-way threaded rod; 13. Movable clamping plate; 14. Rubber pad; 15. Mounting groove; 16. Pressure sensor; 17. Connecting rod; 18. Rotating disk; 19. Marking plate; 20. Annular scale; 21. Controller; 22. Connecting block; 23. Mounting plate. Detailed Implementation
[0019] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.
[0020] Reference Figures 1-5As shown, an adjustable concrete structure crack repair clamp, including the mounting block 1, the inside of the mounting block 1 is provided with a rectangular slot 2, the rear end of the mounting block 1 is provided with a rectangular opening 5, the rectangular opening 5 is communicated with the rectangular slot 2, the inside of the rectangular slot 2 is rotatably provided with a bidirectional threaded rod 3, the right end of the mounting block 1 is fixedly provided with a servo motor 7, the output end of the servo motor 7 penetrates the inside of the rectangular slot 2 and is fixedly connected with the right end of the bidirectional threaded rod 3, the outside of the servo motor 7 is provided with a protective cover 8, the left end of the protective cover 8 is fixedly connected with the right end of the mounting block 1, the outer surface of the bidirectional threaded rod 3 is threadedly connected with the first moving block 4 at both ends, the first moving block 4 can drive the movable clamp plate 13 to move, so that the rectangular structure column of different sizes can be adapted, the rear end of the first moving block 4 is fixedly connected with the second moving block 6, the outer surface of the second moving block 6 is slidably connected to the inside of the rectangular opening 5, the front end of the second moving block 6 is fixedly connected with the first fixed block 9, the rear end of the first fixed block 9 is fixedly connected with the second fixed block 10, the first fixed block 9 and the second fixed block 10 are rotatably provided with a one-way threaded rod 12, the outer surface of the one-way threaded rod 12 is threadedly connected with the movable clamp plate 13, the movable clamp plate 13 is driven by the rotating disc 18 to move to the appropriate position, when the movable clamp plate 13 is accurately located at the appropriate position of the crack, the concrete structure on both sides of the crack can be uniformly and appropriately pressed, such pressure can make the crack close, reduce the crack width, create good conditions for the filling of repair materials, the inside of the movable clamp plate 13 is provided with a mounting slot 15, the inside of the mounting slot 15 is provided with a pressure sensor 16, the model of the pressure sensor 16 that can be used is SPT200, the pressure sensor 16 that can realize the function in the prior art can be used, and is not limited, the pressure sensor 16 can measure the pressure applied by the movable clamp plate 13 to the rectangular structure column, and then accurate clamping force data can be obtained, the inside of the movable clamp plate 13 is provided with a rubber pad 14, when the movable clamp plate 13 applies clamping force to the concrete structure, the rubber pad 14 has elasticity and can play a buffering role, avoiding the local pressure caused by the rigid contact between the clamp plate and the concrete surface, so that the phenomenon of indentation, damage or peeling of the concrete surface due to uneven stress can be prevented, and the integrity and appearance quality of the concrete structure are protected.
[0021] Referring to Figures 4-5As shown, the upper and lower sides of the one-way threaded rod 12 are provided with limiting rods 11, the front and rear ends of the limiting rods 11 are fixedly connected with the rear end of the first fixed block 9 and the front end of the second fixed block 10 respectively, the movable clamping plates 13 are slidingly connected to the outer surfaces of the limiting rods 11, the rear end of the one-way threaded rod 12 is fixedly connected with a connecting rod 17, the rear end of the connecting rod 17 is fixedly connected with a rotating disc 18, the outer surface of the rotating disc 18 is fixedly connected with a marker plate 19, through the cooperation of the marker plate 19 and the annular scale disc 20, it can be ensured that the two movable clamping plates 13 move the same distance, so that uniform pressure can be applied to the two sides of the crack, and the crack is uniformly closed along the entire length direction, which avoids the situation that one side of the crack is closed to a large extent and the other side is closed to a small extent due to the inconsistent moving distance of the clamping plates, ensures that the repair material can be uniformly filled to each part of the crack, improves the quality and integrity of the repair, the rear end of the second fixed block 10 is fixedly connected with an annular scale disc 20, the annular scale disc 20 is located outside the connecting rod 17, the front end of the mounting block 1 is provided with a controller 21, the model of the controller 21 that can be adopted is S7-1200, the controller 21 that can realize the function in the prior art can be adopted, and is not limited, the controller 21 is electrically connected with the servo motor 7 and the pressure sensor 16, the lower ends of the left and right sides of the mounting block 1 are fixedly connected with connecting blocks 22, the lower ends of the connecting blocks 22 are fixedly connected with mounting plates 23, two reserved holes are formed in the mounting plates 23.
[0022] The working principle and use process of the utility model are as follows: when in use, first, use the cleaning tool to clean the dust in the crack, then install the device in the lifting device through the reserved hole formed in the mounting plate 23, then make the two movable clamping plates 13 be located outside the rectangular structure column, move the device to the position close to the crack through the lifting device, and the two movable clamping plates 13 are located on the two sides of the crack, then rotate the rotating disc 18, the rotating disc 18 drives the one-way threaded rod 12 to rotate through the connecting rod 17, thereby driving the movable clamping plate 13 to move, when the two movable clamping plates 13 are accurately aligned with the crack, thereby the pressure applied by the two movable clamping plates 13 can directly act on the two sides of the crack, avoiding the dispersion of pressure or acting on the wrong position, thereby ensuring that the repair work is carried out on the crack itself, improving the accuracy of repair, then slowly inject the prepared repair material into the crack, ensuring that the crack is completely filled, avoiding the gap, at the same time, the controller 21 controls the servo motor 7 to drive the bidirectional threaded rod 3 to rotate, the bidirectional threaded rod 3 drives the two first moving blocks 4 to move towards each other, thereby driving the second moving block 6 to move towards each other, the second moving block 6 moves towards each other and can drive the two movable clamping plates 13 to move towards each other, the controller 21 cooperates with the pressure sensor 16, can realize the accurate control of the clamping force of the rectangular structure column, ensuring that the clamping force applied in the crack repair process can effectively close the crack and promote the filling of the repair material, and the clamping force will not cause secondary damage to the structure column due to the too large clamping force, thereby improving the quality and effect of crack repair, and guaranteeing the structural safety and stability of the rectangular structure column.
[0023] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope required by the utility model is defined by the appended claims and their equivalents.
Claims
1. An adjustable concrete structure crack repair clamp, characterized by: The application relates to a mounting block (1) provided with a rectangular slot (2) in the inside of the mounting block (1), a rectangular opening (5) in the rear end of the mounting block (1), a two-way threaded rod (3) rotatably arranged in the rectangular slot (2), a first moving block (4) threadedly connected to the left and right ends of the outer surface of the two-way threaded rod (3), a second moving block (6) fixedly connected to the rear end of the first moving block (4), the second moving block (6) being slidably connected to the inside of the rectangular opening (5), a first fixed block (9) fixedly connected to the front end of the second moving block (6), a second fixed block (10) fixedly connected to the rear end of the first fixed block (9), a one-way threaded rod (12) rotatably arranged between the first fixed block (9) and the second fixed block (10), a movable clamping plate (13) threadedly connected to the outer surface of the one-way threaded rod (12), an installation slot (15) formed in the inner side of the movable clamping plate (13), a pressure sensor (16) arranged in the installation slot (15), and a rubber pad (14) arranged on the inner side of the movable clamping plate (13).
2. An adjustable concrete structure crack repair clamp according to claim 1, wherein: A servo motor (7) is fixedly arranged at the right end of the mounting block (1), the output end of the servo motor (7) penetrates through the inside of the rectangular slot (2) and is fixedly connected to the right end of the two-way threaded rod (3), a protective cover (8) is arranged on the outside of the servo motor (7), and the left end of the protective cover (8) is fixedly connected to the right end of the mounting block (1).
3. An adjustable concrete structure crack repair clamp according to claim 1, wherein: Limiting rods (11) are arranged on the upper and lower sides of the one-way threaded rod (12), the front and rear ends of the limiting rods (11) are fixedly connected to the rear end of the first fixed block (9) and the front end of the second fixed block (10) respectively, and the movable clamping plate (13) is slidably connected to the outer surface of the limiting rods (11).
4. An adjustable concrete structure crack repair clamp as defined in claim 1, wherein: A connecting rod (17) is fixedly connected to the rear end of the one-way threaded rod (12), a rotating disc (18) is fixedly connected to the rear end of the connecting rod (17), a mark plate (19) is fixedly connected to the outer surface of the rotating disc (18), a ring-shaped scale disc (20) is fixedly connected to the rear end of the second fixed block (10), and the ring-shaped scale disc (20) is located on the outer side of the connecting rod (17).
5. An adjustable concrete structure crack repair clamp as defined in claim 1 wherein: A controller (21) is arranged at the front end of the mounting block (1), and connecting blocks (22) are fixedly connected to the left and right sides of the lower end of the mounting block (1), and mounting plates (23) are fixedly connected to the lower ends of the connecting blocks (22).