CN217300610U

CN217300610U - Subway tunnel leaking stoppage pressure relief device

Info

Publication number: CN217300610U
Application number: CN202220834208.3U
Authority: CN
Inventors: 徐杰; 胡晨之
Original assignee: Nanjing Metrol Operation Co ltd
Current assignee: Nanjing Metrol Operation Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-26
Anticipated expiration: 2032-04-12

Abstract

The utility model provides a subway tunnel leaking stoppage pressure relief device, including an injection cylinder, the injection hole has been seted up in the outside of injection cylinder, the injection hole is provided with a plurality of and a plurality of injection holes between the equidistance is arranged, the upside position of injection cylinder is fixed mutually with the connecting pipe, the upside position of connecting pipe is fixed mutually with threaded connection section of thick bamboo, threaded connection section of thick bamboo is connected with the conveyer pipe via the screw socket, the outside cover of injection cylinder is equipped with the inflation gasbag, the outside of inflation gasbag is provided with outer limit structure, outer limit structure is laminated with the pore wall inside the hole that leaks, aerifys to the inside of gasbag main part through the inflation valve port through the inflation equipment, makes the outer wall of gasbag main part laminate with the pore wall in hole that leaks through the inflation of gasbag main part, can play the purpose of fixed injection cylinder position through this design, and the leaking stoppage material of injection is discharged via the injection hole outside the injection cylinder, the purpose of plugging the injection hole is achieved.

Description

Subway tunnel leaking stoppage pressure relief device

Technical Field

The utility model relates to a subway tunnel leaking stoppage pressure relief device relates to the tunnel equipment field.

Background

In the prior art, in the tunnel construction process, in order to prevent the tunnel from leaking water and ensure the normal use of the tunnel, a plugging device is often used for plugging, and the existing plugging is generally carried out by passing a bolt through a side wall to install and fix plugging equipment, and irreversible damage can be caused to the side wall through the bolt, so that a new structure needs to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a subway tunnel leaking stoppage pressure relief device to the not enough of prior art existence to solve the problem that provides in the above-mentioned background art.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a subway tunnel leaking stoppage pressure relief device, includes and pours into a section of thick bamboo, the filling hole has been seted up in the outside of pouring into a section of thick bamboo, the filling hole is provided with and a plurality of and the equidistance is arranged between the filling hole, the upside position of pouring into a section of thick bamboo is fixed mutually with the connecting pipe, the upside position of connecting pipe is fixed mutually with threaded connection section of thick bamboo, threaded connection section of thick bamboo is connected with the conveyer pipe via the screw, the outside cover of pouring into a section of thick bamboo is equipped with the inflation gasbag, the outside of inflation gasbag is provided with outer limit structure, outer limit structure laminates with the inside pore wall in hole that leaks, inflation valve port has been seted up to the upside position of inflation gasbag, inflation valve port is connected with outside inflation equipment via the connecting pipe.

Furthermore, a handle disc is sleeved on the outer side of the connecting pipe, the handle disc is of a disc-shaped structure, and anti-skid grains are distributed on the surface of the handle disc.

Furthermore, a through hole is formed in the surface of the handle disc, and the through hole penetrates through a connecting pipe to be connected with the inflating equipment.

Further, the inflation gasbag includes interior laminating ring, interior laminating ring is the ring annular structure, the inside of interior laminating ring is laminated with the outer wall of pouring into a section of thick bamboo mutually, the outer wall of interior laminating ring is fixed mutually with the inner wall of gasbag main part, the external connection of gasbag main part is fixed with the rand, the rand is circular shape loop configuration for the cross-section.

Further, outer limit structure includes flexible circle, flexible circle is the ring shape structure, the draw-in groove has been seted up in the inside of flexible circle, the draw-in groove is the circular shape slotted hole structure for the cross-section, the draw-in groove is the mutual joint of rand that distributes in the gasbag main part outside, the outside of flexible circle is provided with the direction slope, the direction slope is the round platform shape structure of slope, the direction slope is laminated mutually with the inside pore wall in hole that leaks.

Furthermore, the outer side of the injection cylinder is sleeved with a wear-resistant sleeve, the wear-resistant sleeve is of a cylindrical structure, and holes coincident with the injection holes are formed in the wear-resistant sleeve.

The utility model has the advantages that: the handle disc is arranged on the outer side of the injection cylinder, so that the injection cylinder can conveniently extend into the hole wall inside the water leakage hole through the handle disc, the injection cylinder is conveniently held through the design, and the convenience for taking the injection cylinder is greatly improved;

the air inflation equipment inflates the air bag main body through the air inflation valve port, the outer wall of the air bag main body is attached to the hole wall of the water leakage hole through expansion of the air bag main body, the purpose of fixing the position of the injection cylinder can be achieved through the design, compared with the traditional equipment, the air bag structure can not damage the existing structure, injected plugging materials are discharged through the injection hole in the outer side of the injection cylinder, and the purpose of plugging the injection hole is achieved;

the guide slope that is located the flexible circle outside then is convenient for with the inside in flexible circle joint to the hole that leaks to inconvenient breaking away from behind the joint hole that leaks, and flexible circle can prevent that the gasbag main part is direct to be contacted with the pore wall in hole that leaks, prevents to cause the condition of gasbag main part damage to appear owing to hard contact.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the leakage blocking and relieving device for a subway tunnel of the present invention;

fig. 2 is a sectional view of an external limiting structure in the leaking stoppage and pressure relief device for a subway tunnel of the present invention;

FIG. 3 is a schematic view of an inflatable air bag in the leakage plugging device for subway tunnels according to the present invention;

in the figure: 1-threaded connection cylinder, 2-connection pipe, 3-handle disc, 4-through hole, 5-external limit structure, 6-inflation valve port, 7-injection cylinder, 8-injection hole, 9-expansion air bag, 51-flexible ring, 52-clamping groove, 53-guide slope, 91-clamping ring, 92-air bag main body and 93-internal joint ring.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

Referring to fig. 1, the present invention provides a technical solution: a subway tunnel leaking stoppage and pressure relief device comprises an injection cylinder 7, wherein an injection hole 8 is formed in the outer side of the injection cylinder 7, the injection hole 8 is provided with a plurality of injection holes 8 which are arranged at equal intervals, the upper side position of the injection cylinder 7 is fixed with a connecting pipe 2, the upper side position of the connecting pipe 2 is fixed with a threaded connecting cylinder 1, the threaded connecting cylinder 1 is connected with a conveying pipe through a screw, an expansion air bag 9 is sleeved on the outer side of the injection cylinder 7, an outer limiting structure 5 is arranged on the outer side of the expansion air bag 9, the outer limiting structure 5 is attached to the inner hole wall of a water leakage hole, an inflation valve port 6 is formed in the upper side position of the expansion air bag 9, the inflation valve port 6 is connected with external inflation equipment through the connecting pipe 2, a wear-resistant sleeve is sleeved on the outer side of the injection cylinder 7 and is of a cylindrical structure, and is provided with a hole coincident with the injection hole 8, the injection cylinder 7 can be protected by the wear-resistant sleeve, and the wear-resistant sleeve is replaced after being worn seriously.

The outside cover of connecting pipe 2 is equipped with handle dish 3, and handle dish 3 is disc structure, and the surface distribution of handle dish 3 has anti-skidding line, is convenient for stretch into a section of thick bamboo 7 through handle dish 3 and during the inside pore wall in the hole that leaks, is convenient for take an injection section of thick bamboo 7 through this design, and then great improvement the convenience that an injection section of thick bamboo 7 taken.

Through hole 4 has been seted up on the surface of handle dish 3, and through hole 4 passes through via connecting pipe 2 and is connected with inflation equipment, and then be convenient for rancour connecting pipe 2 to alternate fixedly.

Referring to fig. 2, the inflatable air bag 9 includes an inner fitting ring 93, the inner fitting ring 93 is a circular ring structure, the inner portion of the inner fitting ring 93 is fitted to the outer wall of the injection tube 7, the outer wall of the inner fitting ring 93 is fixed to the inner wall of the air bag main body 92, a collar 91 is fixed to the outer portion of the air bag main body 92, the collar 91 is a ring structure with a circular cross section, the outer wall of the air bag main body 92 is fitted to the hole wall of the water leakage hole through expansion of the air bag main body 92, the purpose of fixing the position of the injection tube 7 can be achieved through the design, and the injected plugging material is discharged through the injection hole 8 in the outer side of the injection tube 7, so that the purpose of plugging the injection hole 8 is achieved.

Please refer to fig. 3, the outer limiting structure 5 includes a flexible ring 51, the flexible ring 51 is a circular ring structure, a clamping groove 52 is provided in the flexible ring 51, the clamping groove 52 is a circular groove structure with a cross section, the clamping groove 52 is clamped with a clamping ring 91 distributed on the outer side of the airbag main body 92, a guiding slope 53 is provided on the outer side of the flexible ring 51, the guiding slope 53 is an inclined circular truncated cone structure, the guiding slope 53 is attached to the inner hole wall of the water leakage hole, the guiding slope 53 located on the outer side of the flexible ring 51 facilitates the clamping of the flexible ring 51 to the inner part of the water leakage hole, and is inconvenient to be separated from the water leakage hole after the clamping, and the flexible ring 51 can prevent the airbag main body 92 from directly contacting with the hole wall of the water leakage hole, thereby preventing the damage of the airbag main body 92 due to hard contact.

The specific implementation mode is as follows: when in use, firstly, the inner joint ring 93 on the inner ring of the air bag main body 92 is jointed and fixed with the outer wall of the injection cylinder 7, then the clamping groove 52 in the flexible ring 51 is mutually clamped and connected with the clamping ring 91 on the outer ring of the air bag main body 92, then the injection cylinder 7 can extend into the water leakage hole, the inflating valve port 6 is connected with the connecting pipe 2, the connecting pipe 2 passes through the through hole 4 to be connected with the inflating equipment, the inflating equipment inflates the air bag main body 92 through the inflating valve port 6, the outer wall of the air bag main body 92 is jointed with the hole wall of the water leakage hole through the expansion of the air bag main body 92, the purpose of fixing the position of the injection cylinder 7 can be achieved through the design, the injected plugging material is discharged through the injection hole 8 on the outer side of the injection cylinder 7, and the aim of plugging the injection hole 8 is achieved, wherein the guide slope 53 on the outer side of the flexible ring 51 is convenient for clamping and connecting the flexible ring 51 into the water leakage hole, and inconvenient break away from the hole that leaks behind the joint to flexible circle 51 can prevent that gasbag main part 92 from direct and the pore wall contact in hole that leaks, prevents to appear because the condition that hard contact caused gasbag main part 92 to damage.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a subway tunnel leaking stoppage pressure relief device, includes and pours into a section of thick bamboo (7), its characterized in that into: the injection device is characterized in that an injection hole (8) is formed in the outer side of the injection cylinder (7), the injection hole (8) is provided with a plurality of injection holes (8) which are arranged at equal intervals, the upper side position of the injection cylinder (7) is fixed with the connecting pipe (2), the upper side position of the connecting pipe (2) is fixed with the threaded connecting cylinder (1), the threaded connecting cylinder (1) is connected with a conveying pipe through a screw, an expansion air bag (9) is sleeved on the outer side of the injection cylinder (7), an outer limiting structure (5) is arranged on the outer side of the expansion air bag (9), the outer limiting structure (5) is attached to the hole wall inside a water leakage hole, an inflation valve port (6) is formed in the upper side position of the expansion air bag (9), and the inflation valve port (6) is connected with external inflation equipment through the connecting pipe (2).

2. A subway tunnel leak stoppage and pressure relief device according to claim 1, wherein: the outer side of the connecting pipe (2) is sleeved with a handle disc (3), the handle disc (3) is of a disc-shaped structure, and anti-skid grains are distributed on the surface of the handle disc (3).

3. A subway tunnel leak stoppage and pressure relief device according to claim 2, characterized in that: the surface of the handle disc (3) is provided with a through hole (4), and the through hole (4) penetrates through the connecting pipe (2) to be connected with the inflating equipment.

4. The subway tunnel leaking stoppage and pressure relief device according to claim 1, wherein: inflation gasbag (9) are including interior laminating ring (93), interior laminating ring (93) are the circular ring structure, the inside of interior laminating ring (93) is laminated with the outer wall that pours into a section of thick bamboo (7) into mutually, the outer wall of interior laminating ring (93) is fixed mutually with the inner wall of gasbag main part (92), the external connection of gasbag main part (92) is fixed with rand (91), rand (91) are circular shape loop configuration for the cross-section.

5. A leaking stoppage and pressure relief device for a subway tunnel according to claim 4, wherein: outer limit structure (5) are including flexible circle (51), flexible circle (51) are the circle annular structure, draw-in groove (52) have been seted up on the inside of flexible circle (51), draw-in groove (52) are the circular shape slotted hole structure for the cross-section, draw-in groove (52) and distribution are in rand (91) mutual joint in the gasbag main part (92) outside, the outside of flexible circle (51) is provided with direction slope (53), direction slope (53) are the round platform shape structure of slope, direction slope (53) laminate mutually with the inside pore wall in hole that leaks.

6. A subway tunnel leak stoppage and pressure relief device according to claim 1, wherein: the outer side of the injection cylinder (7) is sleeved with a wear-resistant sleeve, the wear-resistant sleeve is of a cylindrical structure, and a hole coincident with the injection hole (8) is formed in the wear-resistant sleeve.