CN214062995U - Device of underground structure seepage water slip casting syringe needle - Google Patents
Device of underground structure seepage water slip casting syringe needle Download PDFInfo
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- CN214062995U CN214062995U CN202023063698.1U CN202023063698U CN214062995U CN 214062995 U CN214062995 U CN 214062995U CN 202023063698 U CN202023063698 U CN 202023063698U CN 214062995 U CN214062995 U CN 214062995U
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Abstract
The utility model discloses a device of underground structure percolating water slip casting syringe needle belongs to underground works construction and disease renovation field. The device comprises a hollow grouting pipe, a hollow grouting pipe screwing end and a sleeve structure; the hollow grouting pipe is connected with the screwing end of the hollow grouting pipe; the sleeve structure is sleeved on the hollow grouting pipe. The combined structure form of the hollow grouting pipe and the hollow grouting pipe screwing and fixing end head ensures that grouting material performs grouting through a hollow channel in the grouting pipe, and does not cause leakage of the grouting material; rubber sleeve a and rubber sleeve b that the bushing structure includes take place transverse deformation after receiving the pressure that comes from the hollow slip casting pipe and twist the end and fill up the clearance between slip casting pipe and the injected hole and play sealed effect, rubber sleeve can resist the normal use of water pressure assurance device in the great department of water pressure after the downthehole tensioning of grout simultaneously.
Description
Technical Field
The utility model relates to an underground works construction and disease renovation field, concretely relates to underground structure percolating water slip casting syringe needle's device.
Background
When a cavity exists behind the tunnel lining, the cavity is rich in accumulated water, and confined water with large water pressure can appear, so that the lining is easy to crack, and water leakage is caused. The broken restoration of structure fracture that leads to the percolating water, adopt the grout material more at present stage, traditional slip casting technology, need carry out the slip casting behind one's back with the slip casting pipe is leading-in to the lining cutting, adopt the cement shutoff to the injected hole surface simultaneously, treat that the plugging material just can carry out the slip casting after solidifying, and to the great condition of the water pressure of cavity behind one's back of the building, the not closely knit meeting of injected hole shutoff causes the thick liquid to flow along with the percolating water, can't reach the restoration effect, and cause the waste of repairing material. The grouting method is difficult to treat the water leakage diseases with large water pressure, particularly the dangerous situations of sudden large water leakage and the like of an underground structure, the surface of a grouting hole is difficult to be effectively blocked, and grouting repair operation cannot be carried out.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the grout degree of difficulty of the great department of secret seepage water pressure is big, aim at provides a underground structure cavity slip casting syringe needle device behind one's back that can effectively solve above-mentioned problem.
The utility model discloses a following technical scheme realizes:
a device for a water leakage grouting needle head of an underground structure comprises a hollow grouting pipe, a hollow grouting pipe screwing end and a sleeve structure;
the hollow grouting pipe is connected with the screwing end of the hollow grouting pipe;
the sleeve structure is sleeved on the hollow grouting pipe. The grouting needle head of the utility model can effectively finish grouting repair operation of the seepage position with large water pressure outside the underground structure; the combined structure form of the hollow grouting pipe and the screwing and fixing end of the hollow grouting pipe ensures that grouting materials only enter through the inner part of the grouting pipe and do not leak outside; meanwhile, the plug-and-play quick repair aim can be met, the repair operation period can be effectively shortened, and the damage degree to the structure is reduced.
The further technical scheme is as follows:
one end of the hollow grouting pipe is provided with a conical grouting end, and the other end of the hollow grouting pipe is provided with an internal thread a.
Further: and the hollow structure in the hollow grouting pipe extends to the conical grouting end from one end of the pipe internal thread a close to the conical grouting end.
Further: the hollow grouting pipe screwing end comprises a screw, a screwing nut and an external interface, and is of a hollow structure and matched with the hollow structure inside the hollow grouting pipe;
further: one end of the screwing nut is connected with the screw rod, and the other end of the screwing nut is connected with the external interface.
Further: the thread size of the screw is matched with the thread size of the inner thread a of the hollow grouting pipe.
Further: and one end of the external interface, which is far away from the screwing nut, is provided with an internal thread b.
Further: the sleeve structure comprises a steel sleeve, a gasket a, a gasket b, a gasket c, a rubber sleeve a and a rubber sleeve b;
further: and sequentially sleeving a gasket c, a rubber sleeve b, a gasket b, a rubber sleeve a, a gasket a and a steel sleeve on the hollow grouting pipe from one end of the conical grouting end. The hollow grouting pipe is screwed to fix the end head to apply pressure to the rubber sleeve pipe a and the rubber sleeve pipe b, the rubber sleeve pipe a and the rubber sleeve pipe b generate transverse deformation after receiving the pressure to fill up a gap between the grouting pipe and a grouting hole, a sealing effect is achieved, and meanwhile the rubber sleeve pipe can resist normal use of a water pressure guarantee device at a large position of water pressure after tensioning in the grouting hole.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model relates to a device of underground structure percolating water slip casting syringe needle, utilize the characteristics of rubber sleeve pipe atress deformation to realize the sealing of grout hole, rubber sleeve pipe can resist the normal use of water pressure assurance device in the place that water pressure is great after tensioning in grout hole simultaneously;
2. the utility model relates to a device for grouting a needle head for water leakage of an underground structure, which performs grouting through an internal hollow structure, reduces the waste of repairing materials and lowers the repairing cost;
3. the utility model relates to a device of underground structure percolating water slip casting syringe needle, this device simple structure, convenient to use just can satisfy the grout work of the great department of water pressure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the components of the present invention
Reference numbers and corresponding part names in the drawings:
1-hollow grouting pipe, 2-conical grouting end, 3-internal thread a, 4-hollow grouting pipe screwing end, 5-screw, 6-screwing nut, 7-external interface, 8-internal thread b, 9-steel sleeve, 10-gasket a, 11-gasket b, 12-gasket c, 13-rubber sleeve a, 14-rubber sleeve b.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1:
as shown in fig. 1 or fig. 2, the utility model relates to a device of underground structure percolating water slip casting syringe needle, its theory of operation: firstly, a hole is drilled at the position of water leakage by using a drilling machine, the size of the drilled hole is matched with the diameter of a grouting pipe, and the depth of the drilled hole reaches the position of a cavity outside a lining. And then the assembled grouting needle device is introduced into a grouting hole, so that the conical grouting end 2 is ensured to reach a grouting position, and meanwhile, the screwing nut 6 of the screwing end 4 of the hollow grouting pipe is ensured to be exposed out of the surface of the structure, and the subsequent reinforcement operation is facilitated. The nut 6 is screwed by a wrench or an electric torque wrench to apply torque, the screw 5 of the hollow grouting pipe screwing end 4 is meshed with the pipe internal thread a3 of the hollow grouting pipe 1, the nut 6 is screwed to generate axial pressure downwards by continuously applying torque, the pressure is transmitted to the rubber sleeve a13 and the rubber sleeve b14 through the steel sleeve 9, the rubber sleeve generates transverse deformation under the action of the axial pressure, the rubber material has better elasticity and can keep higher strength at the same time, the gap between the grouting pipe and the grouting hole can be tightly filled in the deformation process, and then the grouting is started by connecting the external port 7 with an external grouting device.
Example 2:
as shown in fig. 1 or fig. 2, the device for the water leakage grouting needle of the underground structure comprises a hollow grouting pipe 1, a hollow grouting pipe screwing end 4 and a sleeve structure;
the hollow grouting pipe 1 is connected with the hollow grouting pipe screwing end 4; the sleeve structure is sleeved on the hollow grouting pipe 1.
One end of the hollow grouting pipe 1 is provided with a conical grouting end 2, and the other end of the hollow grouting pipe 1 is provided with an internal thread a 3.
The hollow structure inside the hollow grouting pipe 1 extends from the end of the pipe internal thread a3 close to the conical grouting end 2.
The hollow grouting pipe screwing end 4 comprises a screw rod 5, a screwing nut 6 and an external interface 7, and the hollow grouting pipe screwing end 4 is of a hollow structure and is matched with the hollow structure inside the hollow grouting pipe 1;
one end of the screwing nut 6 is connected with the screw rod 5, and the other end of the screwing nut 6 is connected with the outer interface 7.
The thread size of the screw rod 5 is matched with the thread size of the pipe inner thread a3 of the hollow grouting pipe 1.
The end of the outer interface 7 far away from the screwing nut 6 is provided with an inner thread b 8.
The sleeve structure comprises a steel sleeve 9, a gasket a10, a gasket b11, a gasket c12, a rubber sleeve a13 and a rubber sleeve b 14;
a gasket c12, a rubber sleeve b14, a gasket b11, a rubber sleeve a13, a gasket a10 and a steel sleeve 9 are sleeved on the hollow grouting pipe 1 in sequence from one end of the conical grouting end 2.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The device for the water leakage grouting needle head of the underground structure is characterized by comprising a hollow grouting pipe (1), a hollow grouting pipe screwing end (4) and a sleeve structure;
the hollow grouting pipe (1) is connected with the hollow grouting pipe screwing end (4);
the sleeve structure is sleeved on the hollow grouting pipe (1).
2. The device for injecting paste into the ground structure water leakage needle according to claim 1, wherein a conical injecting paste end (2) is provided at one end of the hollow injecting paste pipe (1), and an internal thread a (3) is provided at the other end of the hollow injecting paste pipe (1).
3. A water leaking grouting needle arrangement for underground structures according to claim 2, characterised in that the hollow structure inside the hollow grouting pipe (1) extends from the end of the pipe internal thread a (3) near the conical grouting end (2) to the conical grouting end (2).
4. The device for injecting water into a ground structure for injecting paste into a needle according to claim 1, wherein said hollow injecting paste pipe screwing end head (4) comprises a screw (5), a screwing nut (6) and an external interface (7), said hollow injecting paste pipe screwing end head (4) is a hollow structure and is adapted to the hollow structure inside the hollow injecting paste pipe (1);
one end of the screwing nut (6) is connected with the screw rod (5), and the other end of the screwing nut (6) is connected with the outer interface (7).
5. A device for a water-leaking grouting needle of an underground structure according to claim 4, characterised in that the thread size of the screw (5) is adapted to the thread size of the pipe internal thread a (3) of the hollow grouting pipe (1).
6. A water seepage grouting needle device for underground structures according to claim 5, characterised in that the end of the external interface (7) far from the screw nut (6) is provided with an internal thread b (8).
7. A device for water seepage grouting needles of underground structures according to claim 1, characterised in that the sleeve structure comprises a steel sleeve (9), a gasket a (10), a gasket b (11), a gasket c (12), a rubber sleeve a (13) and a rubber sleeve b (14);
the gasket c (12), the rubber sleeve b (14), the gasket b (11), the rubber sleeve a (13), the gasket a (10) and the steel sleeve (9) are sleeved on the hollow grouting pipe (1) in sequence from one end of the conical grouting end head (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023063698.1U CN214062995U (en) | 2020-12-18 | 2020-12-18 | Device of underground structure seepage water slip casting syringe needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023063698.1U CN214062995U (en) | 2020-12-18 | 2020-12-18 | Device of underground structure seepage water slip casting syringe needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214062995U true CN214062995U (en) | 2021-08-27 |
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ID=77409281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023063698.1U Active CN214062995U (en) | 2020-12-18 | 2020-12-18 | Device of underground structure seepage water slip casting syringe needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214062995U (en) |
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2020
- 2020-12-18 CN CN202023063698.1U patent/CN214062995U/en active Active
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