Grouting device for repairing wall cracks
By designing a push-feed structure and a plug structure, the problem of insufficient grout injection pressure in the grouting device was solved, achieving efficient wall crack repair and grout utilization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-04-10
AI Technical Summary
The existing grouting equipment suffers from insufficient grout injection pressure, leading to blockages and grout waste.
The system employs a push-and-convey structure and a plug structure. An electric push rod drives the push plate and rotating column to rotate the grouting spiral and the conveying spiral, providing sufficient injection pressure. The grouting pipe opening is blocked by the cooperation of the sleeve and the plug ball to prevent grout from flowing out.
It improves the efficiency of wall crack repair grouting and avoids blockage and grout waste.
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Figure CN224106959U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to civil engineering construction technology field, concretely relates to a grouting device for wall crack repair. BACKGROUND
[0002] The grouting device (also known as a grouting machine or grouting device) is a tool for repairing concrete structures, which sprays grouting material to the defects of the concrete structure by compressing gas or liquid, fills the structural gap or crack, and thus increases the strength and durability of the concrete structure.
[0003] The prior art discloses a house building wall concrete crack repair device (CN216713922U), which comprises a cylinder, a smoothing mechanism and a storage cylinder, the smoothing mechanism is arranged on the upper surface of the cylinder, the storage cylinder is fixedly installed on the upper surface of the cylinder, and the smoothing mechanism comprises a fixed seat. The house building wall concrete crack repair device stores the filling slurry in the storage cylinder, and when it is necessary to fill the wall crack, the servo motor is started to drive the rotating shaft to rotate, so that the spiral blade transports the slurry to the grouting pipe to fill the wall crack. After filling is completed, the worker can rotate the knob to drive the threaded rod to rotate, so that the threaded rod pushes the fixed plate to move left along the sliding groove, so that the left end of the smoothing plate exceeds the left end of the grouting pipe. The worker can use the smoothing plate to scrape the slurry overflowed from the crack, so that the filling effect of the slurry is better, the structure is simple and convenient to carry, and the working efficiency of the wall concrete crack repair is improved.
[0004] After searching, it is found that the grouting pipe is not provided with corresponding pushing measures during use, which leads to insufficient pressure of the slurry injection, easy to cause blockage, and thus affects the efficiency of the wall crack repair grouting. Moreover, the grouting pipe of the device lacks plugging measures after use, which leads to waste of the remaining slurry flowing out of the grouting pipe.
[0005] Therefore, the utility model is provided. UTILITY MODEL CONTENT
[0006] To solve the technical problem of insufficient slurry injection pressure, the basic idea of the technical scheme of the utility model is as follows:
[0007] A grouting device for wall crack repair, comprising
[0008] A handle, a cylinder is fixedly arranged above the handle, and a grouting pipe is fixedly arranged at one end of the cylinder.
[0009] The pushing conveying structure is movably arranged in the barrel, and comprises an electric push rod, a grouting screw, a conveying screw, a rotating column, a limiting guide ring and a push plate.
[0010] The plug structure is threadedly arranged at one end of the grouting pipe, and comprises a sleeve and a plug ball.
[0011] As a preferred embodiment of the utility model, one side of the handle is provided with a control switch, a barrel of a cylindrical structure is fixedly arranged on the top surface of the handle, and a grouting inlet pipe is fixedly connected to the top of the end of the barrel close to the grouting pipe.
[0012] As a preferred embodiment of the utility model, a threaded ring groove is formed on the curved surface of the end of the grouting pipe away from the barrel, the sleeve is a U-shaped cylindrical structure, a threaded hole is formed in the inner end of the sleeve close to the grouting pipe, the sleeve is threadedly connected to the threaded ring groove through the threaded hole, the plug ball is a hemispherical structure, the plug ball is located on the side of the sleeve away from the threaded hole, four square columns are fixedly arranged between the sleeve and the plug ball, and a flow outlet is formed between the four square columns.
[0013] As a preferred embodiment of the utility model, a rotating hole is formed in the side of the barrel away from the grouting pipe, an electric push rod is fixedly arranged on the side of the barrel away from the grouting pipe, the output end of the electric push rod is connected to one side of the push plate, and the push plate slides in the barrel.
[0014] As a preferred embodiment of the utility model, the limiting guide ring is fixedly connected to the inside of the barrel, a guide groove hole is formed in the inside of the limiting guide ring, the shape of the guide groove hole corresponds to the surface of the rotating column, a rotating ball is fixedly connected to the end of the rotating column close to the push plate, a ball groove is formed in the side of the push plate close to the rotating column, and the rotating ball rotates in the ball groove.
[0015] As a preferred embodiment of the utility model, a rubber plug plate is fixedly connected to the end of the rotating column away from the push plate, the rubber plug plate corresponds to the inner cavity of the barrel, and the rubber plug plate rotates and slides in the barrel.
[0016] In a preferred embodiment of this utility model, a conveying screw is fixedly connected to the side of the rubber stopper plate away from the rotating column, and a grouting screw is fixedly connected to the end of the conveying screw away from the rubber stopper plate. The conveying screw corresponds to the cylinder body, and the grouting screw corresponds to the grouting pipe.
[0017] Compared with the prior art, the present invention has the following advantages:
[0018] 1. By setting up a push-and-convey structure, the push plate is pushed by an electric push rod. The push plate pushes the rotating column to move within the limit guide ring, thereby rotating the grouting screw and the conveying screw, which in turn pushes and conveys the grout. Not only can the conveying screw and the grouting screw be used for rotational conveying, but the rubber stopper plate can also provide sufficient injection pressure, thereby avoiding blockage and improving the efficiency of wall crack repair grouting.
[0019] 2. By setting up a plug structure and rotating the sleeve to move it away from the grouting pipe opening, the plug ball will move away from the opening. At this time, the grout can be discharged through the outlet between the four square columns. Twisting the sleeve brings it closer to the grouting pipe, and at the same time, the plug ball blocks the opening of the grouting pipe. The cooperation between the plug ball and the sleeve can block the opening of the grouting pipe, thus preventing the remaining grout from flowing out and causing waste.
[0020] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description
[0021] In the attached diagram:
[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0023] Figure 2 This is a disassembled schematic diagram of the internal structure of this utility model;
[0024] Figure 3 This is a disassembly diagram of the push-conveyor assembly of this utility model;
[0025] Figure 4 This is a cross-sectional schematic diagram of the connection position between the cylinder and the limiting guide ring of this utility model;
[0026] Figure 5 This is a cross-sectional schematic diagram of the internal structure of the cylindrical body of this utility model.
[0027] In the diagram: 10. Handle; 11. Control switch; 12. Sleeve; 13. Cylinder; 14. Grouting pipe; 15. Grout inlet pipe; 16. Threaded annular groove; 17. Rotary hole; 18. Electric actuator; 19. Grouting auger; 20. Conveying auger; 21. Rubber stopper plate; 22. Rotating column; 23. Rotating ball; 24. Limiting guide ring; 25. Guide groove hole; 26. Push plate; 27. Ball groove; 28. Ball plug. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the utility model embodiments. The following embodiments are used to illustrate the utility model.
[0029] A grouting device for repairing wall cracks, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , including handle 10, the upper part of handle 10 is fixedly provided with cylinder 13, one end of cylinder 13 is fixedly provided with grouting pipe 14; push and push conveying structure, push and push conveying structure is movably arranged in cylinder 13, push and push conveying structure includes electric push rod 18, grouting screw 19, conveying screw 20, rotating swivel 22, limiting guide ring 24 and push plate 26, electric push rod 18 is fixedly arranged on the side of cylinder 13 away from grouting pipe 14, grouting screw 19 is fixedly arranged on one side of conveying screw 20, conveying screw 20 is fixedly arranged on one end of rotating swivel 22, rotating swivel 22 is movably arranged in limiting guide ring 24, limiting guide ring 24 is fixedly arranged in cylinder 13, push plate 26 is rotatably arranged on the other end of rotating swivel 22, the output end of electric push rod 18 is connected with one side of push plate 26; plug structure, plug structure is threadedly arranged on one end of grouting pipe 14, plug structure includes sleeve 12 and plug ball 28, plug ball 28 is fixedly arranged in sleeve 12, sleeve 12 is threadedly arranged on the end of grouting pipe 14 away from cylinder 13.
[0030] The working principle is as follows, the device is provided with push and push conveying structure, the electric push rod 18 pushes the push plate 26, the push plate 26 pushes the movement of the rotating swivel 22 in the limiting guide ring 24 to make the grouting screw 19 and the conveying screw 20 rotate, and then the slurry is pushed and conveyed, not only the conveying screw 20 and the grouting screw 19 can be used for rotary conveying, but also the electric push rod 18 can provide sufficient injection pressure, so as to avoid blockage and improve the efficiency of wall joint repair grouting, by setting the plug structure, rotating the sleeve 12, the sleeve 12 is away from the nozzle of the grouting pipe 14, and then the plug ball 28 is away from the nozzle, at this time the slurry is discharged from the distance between the sleeve 12 and the plug ball, the sleeve 12 is close to the grouting pipe 14, and the plug ball 28 blocks the nozzle of the grouting pipe 14, at this time the cooperation of the plug ball 28 and the sleeve 14 can block the nozzle of the grouting pipe 14, so as to avoid the waste caused by the remaining slurry flowing out.
[0031] As shown in Figure 1 , one side of handle 10 is provided with control switch 11, the top surface of handle 10 is fixedly provided with cylinder structure cylinder 13, one end of cylinder 13 close to grouting pipe 14 is fixedly connected with grouting pipe 15,Figure 1 and Figure 5 As shown in the drawings, the threaded ring groove 16 is arranged on the curved surface of the end of the grouting pipe 14 away from the barrel 13, the sleeve 12 is a U-shaped cylindrical structure, a threaded hole is arranged in the end of the sleeve 12 close to the grouting pipe 14, the sleeve 12 is screwed with the threaded ring groove 16 through the threaded hole, the plug ball 28 is a hemispherical structure, the plug ball 28 is located on the side of the sleeve 12 away from the threaded hole, and four square columns are fixedly arranged between the sleeve 12 and the plug ball 28, and the four square columns form a flow outlet.
[0032] The specific implementation is as follows: the aperture of the threaded hole of the sleeve 12 corresponds to the aperture of the threaded ring groove 16, the inner cavity of the sleeve 12 has the same aperture as the outer ring of the grouting pipe 14, the plug ball 28 is made of plastic material, four square columns are fixedly arranged between the planar side of the plug ball 28 and the inner side of the sleeve 12, the four square columns are arranged in a ring shape, and the gap between the four square columns is the flow outlet, and the end of the grouting pipe 14 away from the barrel 13 is the grouting port. In use, the sleeve 12 is tightly attached to the threaded ring groove 16 by rotating the sleeve 12, when the sleeve 12 continuously approaches the barrel 13, the spherical surface of the plug ball 28 continuously approaches the grouting port, so that the grouting port is closed, and the residual slurry in the grouting pipe 14 cannot flow out. Conversely, the sleeve 12 is rotated in the opposite direction, so that the sleeve 12 and the plug ball move away from the grouting port, and a flow space is formed between the plug ball 28 and the grouting pipe 14, at this time, the slurry flows into the sleeve 12 through the grouting pipe 14, and then flows out through the flow outlet between the four square columns.
[0033] As shown in the drawings, the barrel 13 is provided with a rotating hole 17 away from the grouting pipe 14, and an electric push rod 18 is fixedly arranged on the side of the barrel 13 away from the grouting pipe 14, and the output end of the electric push rod 18 is connected to one side of the push plate 26, and the push plate 26 slides in the barrel 13. Figure 1 , Figure 2 and Figure 3 As shown in the drawings, the barrel 13 is provided with a rotating hole 17 away from the grouting pipe 14, and an electric push rod 18 is fixedly arranged on the side of the barrel 13 away from the grouting pipe 14, and the output end of the electric push rod 18 is connected to one side of the push plate 26, and the push plate 26 slides in the barrel 13. Figure 3 and Figure 4 As shown in the drawings, the barrel 13 is provided with a rotating hole 17 away from the grouting pipe 14, and an electric push rod 18 is fixedly arranged on the side of the barrel 13 away from the grouting pipe 14, and the output end of the electric push rod 18 is connected to one side of the push plate 26, and the push plate 26 slides in the barrel 13. Figure 3 As shown in the drawings, the barrel 13 is provided with a rotating hole 17 away from the grouting pipe 14, and an electric push rod 18 is fixedly arranged on the side of the barrel 13 away from the grouting pipe 14, and the output end of the electric push rod 18 is connected to one side of the push plate 26, and the push plate 26 slides in the barrel 13. Figure 1 and Figure 3As shown, the rubber plug plate 21 is fixedly connected with the conveying spiral 20 away from the rotating column 22, and the conveying spiral 20 is fixedly connected with the grouting spiral 19 away from the rubber plug plate 21, the conveying spiral 20 corresponds to the cylinder 13, and the grouting spiral 19 corresponds to the grouting pipe 14.
[0034] The control switch 11 is connected with the starting and closing of the electric push rod 18, and the use and closing of the electric push rod 18 can be controlled by pressing the control switch 11, specifically, when in use, the control switch 11 is pressed, the control switch 11 drives the electric push rod 18 to push the push plate 26, the push plate 26 pushes the rotating column 22, the rubber plug plate 21, the conveying spiral 20 and the grouting spiral 19 to move in the cylinder 13, at this time, under the guiding action of the limiting guide ring 24, the rotating column 22 keeps in a certain horizontal movement state, at this time, the helical teeth on the surface of the rotating column 22 are engaged in the helical guide groove hole 25 in the limiting guide ring 24, at this time, under the action of the guide groove hole 25, the rotating column 22 drives the rubber plug plate 21, the conveying spiral 20 and the grouting spiral 19 to realize reciprocating rotation, at this time, the slurry flowing into the grouting pipe 15 is conveyed by the rotating conveying spiral 20, and is continuously pushed into the grouting pipe 14 by the rubber plug plate 21, and finally is discharged from the grouting port under the reciprocating rotation and reciprocating pushing of the grouting spiral 19, and then is discharged from the drain port of the sleeve pipe 12.
[0035] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model.In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model.Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.
Claims
1. A grouting device for repairing cracks in a wall, characterized by, The utility model provides a kind of slurry injection device, including Handle (10), the upper fixed setting of handle (10) is provided with barrel (13), one end of barrel (13) is fixedly provided with grouting pipe (14); Push and press conveying structure, push and press conveying structure movably sets in barrel (13), the push and press conveying structure includes electric push rod (18), grouting screw (19), conveying screw (20), rotary column (22), limiting guide ring (24) and push plate (26), electric push rod (18) is fixedly set in the side of barrel (13) away from grouting pipe (14), grouting screw (19) is fixedly set in the side of conveying screw (20), conveying screw (20) is fixedly set in one end of rotary column (22), rotary column (22) movably sets in limiting guide ring (24), limiting guide ring (24) is fixedly set in barrel (13), push plate (26) rotationally sets in the other end of rotary column (22), the output end of electric push rod (18) is connected with the side of push plate (26); Plug structure, the plug structure is threadedly arranged in one end of grouting pipe (14), the plug structure includes sleeve pipe (12) and plug ball (28), the plug ball (28) is fixedly arranged in sleeve pipe (12), the sleeve pipe (12) is threadedly arranged in the end of grouting pipe (14) away from barrel (13).
2. The grouting device for repairing wall cracks according to claim 1, wherein One side of the handle (10) is provided with a control switch (11), and the top surface of the handle (10) is fixedly provided with a cylindrical barrel (13) structure, and the top of one end of the barrel (13) close to the grouting pipe (14) is fixedly connected with the grouting pipe (14).
3. The grouting device for repairing cracks in a wall body according to claim 2, characterized in that, The curved surface of the end of the grouting pipe (14) away from the barrel (13) is provided with a threaded ring groove (16), the sleeve pipe (12) is a U-shaped cylindrical structure, a threaded hole is formed in the inside of the end of the sleeve pipe (12) close to the grouting pipe (14), the sleeve pipe (12) is threadedly connected with the threaded ring groove (16) through the threaded hole, the plug ball (28) is a hemispherical structure, the plug ball (28) is located on the side of the sleeve pipe (12) away from the threaded hole, four square columns are fixedly arranged between the sleeve pipe (12) and the plug ball (28), and a flow outlet is formed between the four square columns.
4. The grouting device for repairing wall cracks according to claim 3, characterized in that, A rotating hole (17) is formed in the side of the barrel (13) away from the grouting pipe (14), and an electric push rod (18) is fixedly arranged on the side of the barrel (13) away from the grouting pipe (14), the output end of the electric push rod (18) is connected to one side of the push plate (26), and the push plate (26) slides in the barrel (13).
5. The grouting device for repairing cracks in a wall body according to claim 4, wherein The inside of the barrel (13) is fixedly connected with a limiting guide ring (24), a guide groove hole (25) is formed in the inside of the limiting guide ring (24), the shape of the guide groove hole (25) corresponds to the surface of the rotary column (22), a rotating ball (23) is fixedly connected to one end of the rotary column (22) close to the push plate (26), a ball groove (27) is formed in the side of the push plate (26) close to the rotary column (22), and the rotating ball (23) rotates in the ball groove (27).
6. The grouting device for repairing wall cracks according to claim 5, wherein The rotating rotating column (22) is fixedly connected with a rubber plug plate (21) away from one end of the push plate (26), the rubber plug plate (21) corresponds to the inner cavity of the cylinder (13), and the rubber plug plate (21) rotates and slides in the cylinder (13).
7. The grouting device for repairing wall cracks according to claim 6, wherein The rubber plug plate (21) is fixedly connected with a conveying spiral (20) away from one side of the rotating rotating column (22), one end of the conveying spiral (20) away from the rubber plug plate (21) is fixedly connected with a grouting spiral (19), the conveying spiral (20) corresponds to the cylinder (13), and the grouting spiral (19) corresponds to the grouting pipe (14).
Citation Information
Patent Citations
House building wall concrete crack repairing device
CN216713922U