Stable grouting device after installation of soil nails

The stable grouting device addresses water ingress issues by using adjustable length and sealing mechanisms to maintain material integrity and ensure efficient grouting in soil nailing applications.

CN223103652UActive Publication Date: 2025-07-15CHINA WATER CONSERVANCY & HYDROPOWER NO 9 ENG BUREAU CO LTD
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Patent Information

Application Number
CN202422405275.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-05
Publication Date
2025-07-15
Estimated Expiration
2034-10-05

AI Technical Summary

Technical Problem

Existing grouting devices are susceptible to weather changes during grouting process. Water entering the grouting holes leads to changes in the performance of grouting materials, affecting stability and structural integrity.

Method used

A stable grouting device is designed, including a fixed plate, a stabilizing plate, a threaded rod, a slider and a spring structure. Through the cooperation of the threaded rod and a slider, the sealing connection of the conduit is realized, combining the sealing ring and a protective ring to prevent moisture from entering the grouting hole, and reducing the gap through the spring to prevent water leakage.

Benefits of technology

Effectively prevent moisture from entering the grouting hole, ensure the stability of the grouting material and the integrity of the structure, improve grouting efficiency, enhance the adhesion between the soil nails and the soil, and reduce structural deformation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a stable grouting device after installation of soil nails, which relates to the technical field of grouting devices and comprises a ground, two fixing plates are arranged at the top of the ground, two fixing holes are formed in the tops of the two fixing plates in a penetrating manner, and two stabilizing plates are arranged between the two fixing plates. A first sliding block and a second sliding block are fixedly installed on the two sides of the exterior of the stabilizing plate correspondingly. When the grouting device is used, a worker inserts a first guide pipe into a grouting opening, penetrates through a fixing hole through a bolt, fixes a fixing plate to the ground and then rotates a grip, a rotating disc drives a threaded rod to rotate, and then two first sliding blocks are driven to get close to each other until the inner walls of two stabilizing plates make contact with the outer wall of the first guide pipe; at the moment, the two stabilizing plates can prevent water from entering the grouting hole, the elastic force of the spring pushes the moving plate to descend till the elastic cushion makes contact with the ground, gaps between the stabilizing plates and the ground are reduced, and water leakage is prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of grouting devices, in particular to a stable grouting device after the installation of soil nails. Background Technique

[0002] The stable grouting device after the installation of soil nails is an important device for enhancing the stability of soil nails in the soil. This device is usually used in projects such as soil nail walls, slope reinforcement, and tunnel support. Functions and purposes: Enhance stability: By injecting grouting materials, the adhesion between the soil nails and the surrounding soil is increased, and the overall stability is improved. Fill voids: Fill the voids in the soil nail holes and the surrounding soil to prevent water penetration and enhance the integrity of the structure. Reduce deformation: Effectively control and reduce the deformation of the structure during use.

[0003] In the prior art, before grouting, the staff needs to insert the grouting pipe into the installed soil nail hole, then start the grouting pump, adjust the pressure to the design requirements, and then start grouting. However, if it starts to rain during grouting, moisture may enter the grouting hole, and the moisture reacts with the components in the grouting material, which may cause changes in physical and chemical properties and affect the material performance. Content of the Utility Model

[0004] The utility model mainly provides a stable grouting device after the installation of soil nails, which is convenient for improving the grouting efficiency and preventing moisture from entering the grouting port.

[0005] To achieve the above object, the utility model adopts the following technical scheme: A stable grouting device after the installation of soil nails, comprising: the ground, two fixing plates are arranged on the top of the ground, two fixing holes are respectively opened through the tops of the two fixing plates, two stable plates are arranged between the two fixing plates, the outer sides of both sides of the stable plate are respectively fixedly installed with a first slider and a second slider, a threaded rod is rotatably installed between the two fixing plates, one end of the threaded rod penetrates through the fixing plate and is fixedly installed with a turntable, a handle is fixedly installed on the outer wall of the turntable, the outer wall of the threaded rod is threadedly connected with the two first sliders, a limiting rod is fixedly installed between the two fixing plates, the limiting rod penetrates through the two second sliders and is slidably connected with the two second sliders, limiting grooves are respectively opened at the bottoms of the two stable plates, a plurality of uniformly distributed springs are fixedly installed on the inner wall of the limiting groove, a moving plate is fixedly installed at the bottoms of the plurality of springs, an elastic pad is fixedly installed at the bottom of the moving plate, a limiting plate is fixedly installed at the top of the moving plate, the top of the limiting plate is slidably inserted into the inner wall of the limiting groove, and a first conduit is arranged between the two stable plates.

[0006] Preferably, a second conduit is arranged at the bottom of the first conduit, and a third conduit is arranged at the bottom of the second conduit. The second conduit can be increased or decreased according to the depth of the grouting hole.

[0007] Preferably, protective grooves are provided at the bottoms of the first conduit and the second conduit. Thread grooves are provided on the inner walls of the protective grooves. The inner walls of the protective grooves are fitted with the outer walls of the protective rings to prevent water leakage.

[0008] Preferably, threaded rings are fixedly installed at the tops of the second conduit and the third conduit. The threaded rings are threadedly connected with the thread grooves. Protective rings are fixedly installed on the outer walls of the threaded rings. The protective rings are slidably connected with the protective grooves. When connecting, the staff inserts the threaded ring into the thread groove and rotates the threaded ring. The threaded ring moves along the thread groove until one end of the threaded ring contacts the inner wall of the thread groove. At this time, the connection is completed.

[0009] Preferably, a sealing ring is fixedly installed at one end of the protective ring close to the threaded ring. A sealing groove is provided on the inner wall of the protective groove. The sealing ring is slidably connected with the sealing groove to enhance the sealing performance.

[0010] Preferably, two hanging ears are symmetrically installed on the outer wall of the first conduit, which facilitates the staff to connect the hook with the hanging ears and pull out the first conduit.

[0011] Preferably, a grouting pump is provided on the top of the ground. A slurry discharge pipe is fixedly installed at the output end of the grouting pump. The staff starts the grouting pump, feeds the slurry into the first conduit, and finally into the grouting hole.

[0012] Compared with the prior art, the advantages and positive effects of the present utility model are as follows.

[0013] 1. In the present utility model, when in use, the staff inserts the first conduit into the grouting port, passes the bolt through the fixing hole, fixes the fixing plate on the ground, and then rotates the handle. The turntable drives the threaded rod to rotate, thereby driving the two first sliders to approach each other until the inner walls of the two stabilizing plates contact the outer wall of the first conduit. At this time, the two stabilizing plates can prevent water from entering the grouting hole. And at this time, the elastic force of the spring pushes the moving plate to descend until the elastic pad contacts the ground, reducing the gap between the stabilizing plate and the ground and preventing water leakage.

[0014] 2. In the present utility model, when in use, the staff installs the corresponding number of second conduits according to the depth of the grouting hole, inserts the threaded ring into the thread groove, and rotates the threaded ring. The threaded ring moves along the thread groove until one end of the threaded ring contacts the inner wall of the thread groove. At this time, the sealing ring enters the sealing groove, and at this time, the connection is completed, which is convenient for the staff to adjust the lengths of the first conduit, the second conduit and the third conduit according to the depth of the grouting hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall three-dimensional view of the stable grouting device after the soil nail is installed according to the present utility model.

[0016] Figure 2 This is a three-dimensional view of the first conduit of the stable grouting device after the installation of the soil nail of the present utility model;

[0017] Figure 3 This is a cross-sectional view of the first conduit of the stable grouting device after the installation of the soil nail of the present utility model;

[0018] Figure 4 This is a cross-sectional view of the stabilizing plate of the stable grouting device after the installation of the soil nail of the present utility model.

[0019] Legend: 1. Ground; 2. Grouting pump; 3. Drainage pipe; 4. Fixed plate; 5. Fixed hole; 6. Threaded rod; 7. Stabilizing plate; 8. First slider; 9. Second slider; 10. Limiting rod; 11. Turntable; 12. Handle; 13. First conduit; 14. Second conduit; 15. Third conduit; 16. Hanging ear; 17. Threaded groove; 18. Protection groove; 19. Sealing groove; 20. Threaded ring; 21. Protection ring; 22. Sealing ring; 23. Limiting groove; 24. Spring; 25. Moving plate; 26. Elastic pad; 27. Limiting plate. Detailed implementation manners

[0020] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the following further describes the present utility model with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

[0021] In the following description, many specific details are set forth to fully understand the present utility model. However, the present utility model may be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.

[0022] Please refer to Figures 1-4, the present utility model provides a technical solution: a stable grouting device after the installation of soil nails, including: the ground 1, two fixed plates 4 are arranged on the top of the ground 1, two fixing holes 5 are respectively formed through the tops of the two fixed plates 4, two stabilizing plates 7 are arranged between the two fixed plates 4, a first slider 8 and a second slider 9 are respectively fixedly installed on the outer sides of the two sides of the stabilizing plate 7, a threaded rod 6 is rotatably installed between the two fixed plates 4, one end of the threaded rod 6 penetrates through the fixed plate 4 and is fixedly installed with a turntable 11, a handle 12 is fixedly installed on the outer wall of the turntable 11, the outer wall of the threaded rod 6 is threadedly connected with the two first sliders 8, a limiting rod 10 is fixedly installed between the two fixed plates 4, the limiting rod 10 penetrates through the two second sliders 9 and is slidably connected with the two second sliders 9, limiting grooves 23 are respectively formed at the bottoms of the two stabilizing plates 7, a plurality of uniformly distributed springs 24 are fixedly installed on the inner walls of the limiting grooves 23, a moving plate 25 is fixedly installed at the bottoms of the plurality of springs 24, an elastic pad 26 is fixedly installed at the bottom of the moving plate 25, a limiting plate 27 is fixedly installed at the top of the moving plate 25, the top of the limiting plate 27 is slidably inserted into the inner wall of the limiting groove 23, and a first conduit 13 is arranged between the two stabilizing plates 7.

[0023] As Figure 2 shown, a second conduit 14 is arranged at the bottom of the first conduit 13, a third conduit 15 is arranged at the bottom of the second conduit 14, and the second conduit 14 can be increased or decreased according to the depth of the grouting hole.

[0024] As Figure 3 shown, protective grooves 18 are respectively formed at the bottoms of the first conduit 13 and the second conduit 14, threaded grooves 17 are formed on the inner walls of the protective grooves 18, the outer walls of the protective rings 21 are fitted with the inner walls of the protective grooves 18 to prevent water leakage.

[0025] As Figure 3 shown, threaded rings 20 are respectively fixedly installed at the tops of the second conduit 14 and the third conduit 15, the threaded rings 20 are threadedly connected with the threaded grooves 17, protective rings 21 are fixedly installed on the outer walls of the threaded rings 20, the protective rings 21 are slidably connected with the protective grooves 18. When connecting, the staff inserts the threaded ring 20 into the threaded groove 17 and rotates the threaded ring 20. The threaded ring 20 moves along the threaded groove 17 until one end of the threaded ring 20 contacts the inner wall of the threaded groove 17, and at this time the connection can be completed.

[0026] As Figure 3 shown, a sealing ring 22 is fixedly installed at one end of the protective ring 21 close to the threaded ring 20, a sealing groove 19 is formed on the inner wall of the protective groove 18, and the sealing ring 22 is slidably connected with the sealing groove 19 to enhance the sealing performance.

[0027] As Figure 2 shown, two hanging ears 16 are symmetrically installed on the outer wall of the first conduit 13, which is convenient for the staff to connect the hook with the hanging ear 16 and pull out the first conduit 13.

[0028] As shown Figure 1 in the figure, a grouting pump 2 is provided on the top of the ground 1. A slurry discharge pipe 3 is fixedly installed at the output end of the grouting pump 2. The staff starts the grouting pump 2, passes the slurry into the first conduit 13, and finally into the grouting hole.

[0029] Usage method and working principle of this device: During use, the staff installs the corresponding number of second conduits 14 according to the depth of the grouting hole, inserts the threaded ring 20 into the threaded groove 17, and rotates the threaded ring 20. The threaded ring 20 moves along the threaded groove 17 until one end of the threaded ring 20 contacts the inner wall of the threaded groove 17. At this time, the sealing ring 22 enters the sealing groove 19, and the connection is completed. This facilitates the staff to adjust the lengths of the first conduit 13, the second conduit 14, and the third conduit 15 according to the depth of the grouting hole. Then, the staff inserts the first conduit 13 into the grouting port, passes a bolt through the fixing hole 5, and fixes the fixing plate 4 on the ground 1. Then, rotate the handle 12, the turntable 11 drives the threaded rod 6 to rotate, thereby driving the two first sliders 8 to approach each other until the inner walls of the two stabilizing plates 7 contact the outer wall of the first conduit 13. At this time, the two stabilizing plates 7 can prevent water from entering the grouting hole, and at this time, the elastic force of the spring 24 pushes the moving plate 25 downward until the elastic pad 26 contacts the ground 1, reducing the gap between the stabilizing plate 7 and the ground 1 and preventing water leakage. Finally, the staff inserts one end of the slurry discharge pipe 3 into the first conduit 13, starts the grouting pump 2, passes the slurry into the first conduit 13, and finally into the grouting hole.

[0030] The above is only a preferred embodiment of the present invention, and it is not a limitation of the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. Stabilized grouting device after the installation of soil nails, characterized in that, Comprising: The ground (1), on the top of the ground (1) are provided with two fixing plates (4), two fixing holes (5) are respectively penetrated and opened at the tops of the two fixing plates (4), between the two fixing plates (4) are provided with two stabilizing plates (7), on the outer sides of both sides of the stabilizing plate (7) are respectively fixedly installed a first slider (8) and a second slider (9), between the two fixing plates (4) is rotatably installed a threaded rod (6), one end of the threaded rod (6) penetrates the fixing plate (4) and is fixedly installed with a turntable (11), on the outer wall of the turntable (11) is fixedly installed a handle (12), the outer wall of the threaded rod (6) is threadedly connected with the two first sliders (8), between the two fixing plates (4) is fixedly installed a limiting rod (10), the limiting rod (10) penetrates the two second sliders (9) and is slidably connected with the two second sliders (9), at the bottoms of the two stabilizing plates (7) are respectively opened with limiting grooves (23), on the inner wall of the limiting groove (23) are fixedly installed a plurality of uniformly distributed springs (24), the bottoms of the plurality of springs (24) are fixedly installed with a moving plate (25), at the bottom of the moving plate (25) is fixedly installed an elastic pad (26), at the top of the moving plate (25) is fixedly installed a limiting plate (27), the top of the limiting plate (27) is slidably inserted into the inner wall of the limiting groove (23), between the two stabilizing plates (7) is provided with a first conduit (13).

2. The stable grouting device after the installation of soil nails according to claim 1, characterized in that: At the bottom of the first conduit (13) is provided with a second conduit (14), and at the bottom of the second conduit (14) is provided with a third conduit (15).

3. The stable grouting device after the installation of soil nails according to claim 2, characterized in that: At the bottoms of the first conduit (13) and the second conduit (14) are respectively opened with protective grooves (18), and on the inner wall of the protective groove (18) is opened with a threaded groove (17).

4. The stabilizing grouting device after the installation of soil nails according to claim 2, characterized in that: At the tops of the second conduit (14) and the third conduit (15) are respectively fixedly installed with threaded rings (20), the threaded rings (20) are threadedly connected with the threaded grooves (17), on the outer wall of the threaded ring (20) is fixedly installed a protective ring (21), and the protective ring (21) is slidably connected with the protective groove (18).

5. The stable grouting device after the installation of soil nails according to claim 4, characterized in that: One end of the protective ring (21) close to the threaded ring (20) is fixedly installed with a sealing ring (22), on the inner wall of the protective groove (18) is opened with a sealing groove (19), and the sealing ring (22) is slidably connected with the sealing groove (19).

6. The stable grouting device after the installation of soil nails according to claim 1, characterized in that: On the outer wall of the first conduit (13) are symmetrically installed two hanging ears (16).

7. The stable grouting device after the installation of soil nails according to claim 1, wherein: On the top of the ground (1) is provided with a grouting pump (2), and the output end of the grouting pump (2) is fixedly installed with a slurry discharge pipe (3).