Grouting device capable of being quickly connected with steel pipe opening

The combined structure of high-strength steel bars, sealing blocks and expansion stop rings enables a weld-free connection, solving the inconvenience and large engineering workload of welding and fixing steel pipe openings in the prior art and improving connection efficiency and sealing.

CN223399439UActive Publication Date: 2025-09-30THE NO 6 ENG CO LTD OF CHINA RAILWAY 20TH BUREAU GRP +1
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Patent Information

Application Number
CN202422639336.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-09-30
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The existing grouting device needs to fix the steel bars by welding when connecting the steel pipe mouth, which is inconvenient to operate and requires a large amount of work, thus affecting work efficiency.

Method used

It adopts a combined structure of high-strength steel bars, sealing blocks and expansion stop rings, which are fixed by plugging and folding to achieve welding-free connection and enhance sealing.

Benefits of technology

The operation workload of connecting the steel pipe mouth is reduced, the work efficiency is improved, the sealing is ensured, and the occurrence of slurry leakage accidents is avoided.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of grouting devices, in particular to a grouting device for quickly connecting a steel pipe opening, which comprises a connecting pipe, an expansion grout stopping lantern ring arranged at one end of the connecting pipe, a sealing block arranged inside the expansion grout stopping lantern ring, a reinforcing steel bar reinforcing groove arranged inside the sealing block, a connecting sleeve arranged below the expansion grout stopping lantern ring, and a connecting sleeve arranged below the connecting sleeve. An inner groove is formed in the connecting sleeve, a first sealing groove located in the connecting sleeve is formed below the inner groove, a first sealing plate is clamped into the first sealing groove in a sealed mode, a through hole is formed in the first sealing plate, a high-strength steel bar is arranged between the first sealing plate and the sealing block, and a steel bar reinforcing groove is formed in the sealing block. The high-strength steel bars are inserted into the steel bar reinforcing grooves, are inserted into through holes in the first sealing plates and are connected in a penetrating manner; through the welding-free connection mode between the steel bars and the steel pipes, the workload of a project is reduced, and the follow-up working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of grouting devices, in particular to a grouting device with a quick connection to a steel pipe mouth. Background Art

[0002] The grouting steel pipe connecting device produced can be used to connect steel pipe structures in steel structure buildings. The proposed method of connecting steel pipes using the grouting steel pipe connecting device can be used as a method for connecting steel pipe structures in steel structure buildings. Steel structure buildings have the advantages of light weight, high strength, and good seismic performance. It has become one of the important development directions of contemporary and future buildings. In steel structures, due to factors such as transportation and hoisting, the length of the steel pipe is limited, and the connection of steel pipes is inevitable.

[0003] For example, patent No. 202222726704.X discloses a quick-connect grouting device, the structure of which includes a connecting pipe for connecting a grouting pipe and a locking foot steel pipe. The front end of the connecting pipe can be inserted into the locking foot steel pipe and is covered with an expansion stop grouting assembly. The middle part of the connecting pipe is provided with a compression mechanism for compressing the expansion stop grouting assembly to seal the gap between the connecting pipe and the locking foot steel pipe; the rear end of the connecting pipe is provided with a short joint for connecting to the grouting pipe. The utility model connects the grouting pipe and the locking foot steel pipe through the connecting pipe, and uses the compression mechanism to compress the expansion stop grouting assembly outside the connecting pipe. The compressed expansion stop grouting assembly can play a role in sealing the gap between the connecting pipe and the locking foot steel pipe, thereby avoiding grouting accidents; at the same time, the short joint at the rear end of the connecting pipe can be used to achieve rapid docking with the grouting pipe. The use of this utility model can simplify the operating steps, realize the rapid connection of the locking foot steel pipe and the grouting pipe, ensure reliable sealing of the connection, avoid grouting accidents, and effectively improve work efficiency.

[0004] Therefore, the above-mentioned grouting device is used to improve the reliable sealing of the connection between the locking foot steel pipe and the grouting pipe, thereby avoiding leakage accidents. However, the existing grouting device needs to be fixed to the inside of the steel pipe mouth by steel bars. The existing technology all fixes it by welding, which is not convenient to use and the operation workload is large. A non-welding connection method between the steel bar and the steel pipe can be designed to reduce the workload of the project and improve subsequent work efficiency. Utility Model Content

[0005] In order to overcome the problem that the grouting device improves the reliable sealing of the connection between the locking foot steel pipe and the grouting pipe and avoids leakage accidents, the existing grouting device needs to be fixed inside the steel pipe mouth by steel bars. The existing technology all fixes it by welding, which is not convenient to use and the operation workload is large.

[0006] The technical solution of the utility model is: a grouting device for quickly connecting a steel pipe mouth, comprising a connecting pipe, an expansion grouting ring is provided at one end of the connecting pipe, a sealing block is provided inside the expansion grouting ring, a steel reinforcement groove is provided inside the sealing block, a connecting sleeve is provided below the expansion grouting ring, an inner groove is provided inside the connecting sleeve, a first sealing groove located inside the connecting sleeve is provided below the inner groove, a first sealing plate is inserted into the inner seal of the first sealing groove, a through hole is provided inside the first sealing plate, high-strength steel bars are provided between the first sealing plate and the sealing block, a steel reinforcement groove is provided inside the sealing block, the high-strength steel bars are inserted into the steel reinforcement groove, the high-strength steel bars are inserted into the through hole inside the first sealing plate and penetrate the connection, and the high-strength steel bars are inserted into the inner groove.

[0007] Preferably, the high-strength steel bars are inserted into the steel bar reinforcement groove inside the sealing block, and the bottom of the high-strength steel bars are aligned with the through hole inside the first sealing plate for connection, and then the high-strength steel bars are folded so that they are fixed on the first sealing plate, and then the first sealing plate is inserted into the first sealing groove inside the connecting sleeve for sealing. This connection method does not require welding between the high-strength steel bars and the steel pipe, which reduces the workload of the project and improves the subsequent work efficiency.

[0008] Preferably, a sleeve is provided at one end of the connecting pipe away from the expansion grouting ring, and handles are provided on both sides of the sleeve.

[0009] Preferably, a joint is provided at one end of the sleeve away from the connecting pipe, and a through pipe is provided between the joint and the connecting pipe.

[0010] Preferably, a slot is provided inside the sealing block, and the high-strength steel bar is inserted into the slot.

[0011] Preferably, a positioning groove is provided inside the expansion stop ring, a third sealing groove located inside the expansion stop ring is provided above the positioning groove, and a second sealing groove located inside the expansion stop ring is provided above the third sealing groove.

[0012] Preferably, a positioning groove is provided inside the expansion stop ring, a third sealing groove located inside the expansion stop ring is provided above the positioning groove, and a second sealing groove located inside the expansion stop ring is provided above the third sealing groove.

[0013] Preferably, a fourth sealing groove is formed at one end of the interior of the connecting sleeve, and the lower end of the sealing block is inserted into the fourth sealing groove.

[0014] Beneficial effects of the utility model:

[0015] The sealing block is inserted into the positioning groove inside the expansion stop grouting ring, and the second sealing plate above the sealing block is snapped into the third sealing groove inside the expansion stop grouting ring for fixation. At the same time, the sealing gasket above the second sealing plate is also snapped into the second sealing groove inside the expansion stop grouting ring for sealing and fixation. The high-strength steel bar is inserted into the steel bar reinforcement groove inside the sealing block, and the bottom of the high-strength steel bar is aligned with the through hole inside the first sealing plate for connection. The high-strength steel bar is folded to fix it on the first sealing plate, and then the first sealing plate is snapped into the first sealing groove inside the connecting sleeve for sealing. This connection method does not require welding between the high-strength steel bar and the steel pipe, which reduces the workload of the project and improves the subsequent work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a schematic diagram of the three-dimensional structure of the grouting device connected to the steel pipe mouth of the utility model;

[0017] Figure 2 Shown is a schematic diagram of the cross-sectional structure of the grouting device connected to the steel pipe mouth of the utility model;

[0018] Figure 3 The utility model is shown Figure 2 A schematic diagram of the partially enlarged structure of solid A;

[0019] Figure 4 Shown is a schematic diagram of the cross-sectional structure of the steel pipe mouth of the grouting device of the present invention;

[0020] Figure 5 The utility model is shown Figure 4 Schematic diagram of the locally enlarged structure at cross section B.

[0021] Explanation of the accompanying drawings: 1. Connecting pipe; 2. Expansion stop ring; 3. Connecting sleeve; 4. Sleeve; 5. Joint; 6. Sealing block; 7. Slot; 8. High-strength steel bar; 9. First sealing plate; 10. Through hole; 11. Inner groove; 12. First sealing groove; 13. Second sealing groove; 14. Sealing gasket; 15. Second sealing plate; 16. Third sealing groove; 17. Positioning groove; 18. Steel bar reinforcement groove; 19. Fourth sealing groove. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] See also Figure 1-Figure 5The utility model provides an embodiment: a grouting device for quickly connecting a steel pipe mouth, comprising a connecting pipe 1, an expansion grouting ring 2 is provided at one end of the connecting pipe 1, a sealing block 6 is provided inside the expansion grouting ring 2, a steel reinforcement groove 18 is provided inside the sealing block 6, a connecting sleeve 3 is provided below the expansion grouting ring 2, an inner groove 11 is provided inside the connecting sleeve 3, a first sealing groove 12 located inside the connecting sleeve 3 is provided below the inner groove 11, a first sealing groove 12 is sealed and clamped with a first sealing plate 9 inside the first sealing groove 12, a through hole 10 is provided inside the first sealing plate 9, a high-strength steel bar 8 is provided between the first sealing plate 9 and the sealing block 6, a steel reinforcement groove 18 is provided inside the sealing block 6, the high-strength steel bar 8 is inserted into the steel reinforcement groove 18, the high-strength steel bar 8 is inserted into the through hole 10 inside the first sealing plate 9 and is connected through, and the high-strength steel bar 8 is inserted into the inner groove 11.

[0024] See also Figure 1-Figure 3 In this embodiment, a sleeve 4 is provided at one end of the connecting pipe 1 away from the expansion grouting ring 2, and handles are provided on both sides of the sleeve 4. A joint 5 is provided at one end of the sleeve 4 away from the connecting pipe 1, and a through pipe is provided between the joint 5 and the connecting pipe 1. A slot 7 is provided inside the sealing block 6, and the high-strength steel bar 8 is inserted into the slot 7. The sealing block 6 is inserted into the positioning groove 17 inside the expansion grouting ring 2, and the second sealing plate 15 above the sealing block 6 is fixed in the third sealing groove 16 inside the expansion grouting ring 2. At the same time, the sealing gasket 14 above the second sealing plate 15 is also just inserted into the second sealing groove 13 inside the expansion grouting ring 2 for sealing and fixing. The high-strength steel bar 8 is inserted into the steel reinforcement groove 18 inside the sealing block 6.

[0025] See also Figure 3-Figure 5 In this embodiment, a positioning groove 17 is provided inside the expansion grouting ring 2, and a third sealing groove 16 is provided above the positioning groove 17, and a second sealing groove 13 is provided above the third sealing groove 16, and the sealing block 6 is inserted into the positioning groove 17. A second sealing plate 15 is provided above the sealing block 6 and is inserted into the third sealing groove 16. A sealing gasket 14 is provided above the second sealing plate 15 and is inserted into the second sealing groove 13. A fourth sealing groove 19 is provided at one end of the connecting sleeve 3, and the lower end of the sealing block 6 is inserted into the fourth sealing groove 19. At the same time, the high-strength steel bar 8 is aligned with the through hole 10 inside the first sealing plate 9 and is connected through it. The high-strength steel bar 8 is folded so that it is fixed on the first sealing plate 9, and then the first sealing plate 9 is inserted into the first sealing groove 12 inside the connecting sleeve 3 for sealing. In this connection method, there is no welding connection between the high-strength steel bar 8 and the steel pipe, which reduces the workload of the project and improves the subsequent work efficiency.

[0026] During operation, the sealing block 6 is inserted into the positioning groove 17 inside the expansion stop grouting ring 2, and the second sealing plate 15 above the sealing block 6 is inserted into the third sealing groove 16 inside the expansion stop grouting ring 2 for fixing. At the same time, the sealing gasket 14 above the second sealing plate 15 is also just inserted into the second sealing groove 13 inside the expansion stop grouting ring 2 for sealing and fixing. The high-strength steel bar 8 is inserted into the steel bar reinforcement groove 18 inside the sealing block 6, and the bottom of the high-strength steel bar 8 is aligned with the through hole 10 inside the first sealing plate 9 for penetration connection. The high-strength steel bar 8 is folded so that it is fixed on the first sealing plate 9, and then the first sealing plate 9 is inserted into the first sealing groove 12 inside the connecting sleeve 3 for sealing. This connection method does not require welding between the high-strength steel bar 8 and the steel pipe, which reduces the workload of the project and improves the subsequent work efficiency.

[0027] Through the above steps, the sealing block 6 is inserted into the positioning groove 17 inside the expansion grouting ring 2, and the second sealing plate 15 above the sealing block 6 is inserted into the third sealing groove 16 inside the expansion grouting ring 2 for fixation. At the same time, the sealing gasket 14 above the second sealing plate 15 is also just inserted into the second sealing groove 13 inside the expansion grouting ring 2 for sealing and fixation. The high-strength steel bar 8 is inserted into the steel bar reinforcement groove 18 inside the sealing block 6 to solve the problem that the grouting device improves the reliable sealing of the connection between the lock foot steel pipe and the grouting pipe, avoiding leakage accidents. However, the existing grouting device needs to be fixed by steel bars when connected to the steel pipe mouth. The existing technology is fixed by welding, which is not convenient to use and has a large amount of engineering work to operate.

Claims

1. A grouting device for quickly connecting a steel pipe mouth, comprising a connecting pipe (1), characterized in that: An expansion stop grouting ring (2) is provided at one end of the connecting pipe (1), a sealing block (6) is provided inside the expansion stop grouting ring (2), a steel reinforcement groove (18) is provided inside the sealing block (6), a connecting sleeve (3) is provided below the expansion stop grouting ring (2), an inner groove (11) is provided inside the connecting sleeve (3), a first sealing groove (12) located inside the connecting sleeve (3) is provided below the inner groove (11), a first sealing plate (9) is sealed and clamped inside the first sealing groove (12), a through hole (10) is provided inside the first sealing plate (9), a high-strength steel bar (8) is provided between the first sealing plate (9) and the sealing block (6), a steel reinforcement groove (18) is provided inside the sealing block (6), the high-strength steel bar (8) is inserted into the steel reinforcement groove (18), the high-strength steel bar (8) is inserted into the through hole (10) inside the first sealing plate (9) and is connected through, and the high-strength steel bar (8) is inserted into the inner groove (11).

2. The grouting device for quick connection of steel pipe mouth according to claim 1, characterized in that: A sleeve (4) is provided at one end of the connecting pipe (1) away from the expansion grouting collar (2), and handles are provided on both sides of the sleeve (4).

3. The grouting device for quick connection of steel pipe mouth according to claim 2, characterized in that: A joint (5) is provided at one end of the sleeve (4) away from the connecting pipe (1), and a through pipe is provided between the joint (5) and the connecting pipe (1).

4. The grouting device for quick connection of steel pipe opening according to claim 1, characterized in that: A slot (7) is provided inside the sealing block (6), and a high-strength steel bar (8) is inserted into the slot (7).

5. The grouting device for quick connection of steel pipe opening according to claim 1, characterized in that: A positioning groove (17) is provided inside the expansion stop grouting collar (2), a third sealing groove (16) located inside the expansion stop grouting collar (2) is provided above the positioning groove (17), and a second sealing groove (13) located inside the expansion stop grouting collar (2) is provided above the third sealing groove (16).

6. The grouting device for quick connection of steel pipe opening according to claim 5, characterized in that: The sealing block (6) is inserted into the positioning groove (17), a second sealing plate (15) is provided above the sealing block (6) and is inserted into the third sealing groove (16), and a sealing gasket (14) is provided above the second sealing plate (15) and is inserted into the second sealing groove (13).

7. The grouting device for quick connection of steel pipe opening according to claim 1, characterized in that: A fourth sealing groove (19) is provided at one end inside the connecting sleeve (3), and the lower end of the sealing block (6) is inserted into the fourth sealing groove (19).

Citation Information

Patent Citations

  • Quick connection grouting device

    CN218093061U