Air supply and ventilation pipeline structure for tunnel construction

Abstract

The utility model discloses an air supply and ventilation pipeline structure for tunnel construction, and belongs to the field of tunnel construction. The fixing device comprises a fixing pipe and a limiting plate, the fixing pipe is located on the limiting plate, connecting assemblies are fixedly installed at the two ends of the fixing pipe, each connecting assembly comprises a first fixing block, a second fixing block and a locking rod, and the first fixing block and the second fixing block are located at the two ends of the fixing pipe respectively; through linkage matching of the locking rod and the lock hole, fixed connection of the first fixing block and the second fixing block is achieved, then rapid installation of the fixing pipes is achieved, similarly, during disassembly, disassembly of the fixing pipes can be achieved only by pulling the locking rod to enable the locking rod to be separated from the lock hole, disassembly is very convenient, and meanwhile when leakage occurs at the connecting position of the fixing pipes, the locking rod is not needed to be pulled to be separated from the lock hole. The air enters the shell and then enters the limiting pipe through the shell, the moving block gradually moves downwards under the action of air pressure, and after the moving block makes contact with the contact block, the alarm gives an alarm, so that the sealing performance of the connecting position of the ventilation pipeline is rapidly responded and judged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel construction field especially relates to a tunnel construction gas supply ventilation pipeline structure. BACKGROUND

[0002] The gas supply ventilation pipeline in tunnel construction is mainly used to provide fresh air and remove harmful gas, to ensure the safety of construction personnel and the good working environment.

[0003] But the ventilation pipeline in the prior art is cumbersome in construction during use, which leads to the whole tunnel construction period being delayed, not only affects the construction progress, but also may lead to the project delay, affects the subsequent work arrangement and resource allocation, that is, the rapid installation of the pipeline is difficult to realize.

[0004] And the ventilation pipeline is usually long, and due to the lack of indicating structure, the leakage of the ventilation pipeline is difficult to observe and alarm in time, that is, the sealing of the connection of the ventilation pipeline cannot be quickly reacted and judged.

[0005] In view of the above technical defects, a solution is proposed. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a tunnel construction gas supply ventilation pipeline structure to solve the technical defects proposed in the background art.

[0007] The utility model can be realized by the following technical scheme: a tunnel construction gas supply ventilation pipeline structure, comprising a fixed pipe and a limiting plate, the fixed pipe is located on the limiting plate, the fixed pipe is fixedly installed with a connecting assembly at both ends, the connecting assembly comprises a fixed block one, a fixed block two and a locking rod, the fixed block one and the fixed block two are located at both ends of the fixed pipe respectively, a clamping groove is formed in the center of the fixed block two, the size of the clamping groove is matched with the fixed block one, the locking rod is movably installed on the fixed block two, a lock hole is formed in the fixed block one, and one end of the locking rod is located in the lock hole.

[0008] The fixed block one and the fixed block two are located at both ends of the fixed pipe respectively, a clamping groove is formed in the center of the fixed block two, the size of the clamping groove is matched with the fixed block one, the locking rod is movably installed on the fixed block two, a lock hole is formed in the fixed block one, and one end of the locking rod is located in the lock hole.

[0009] The connecting assembly further comprises a shell and a limiting pipe, the shell is fixedly installed at the connecting place of the fixed block one and the fixed block two, the limiting pipe is fixedly installed at the bottom of the shell, a moving block is movably installed in the limiting pipe, and a contact block is fixedly installed at the bottom of the limiting pipe.

[0010] Preferably, the fixed block one is provided with an inclined surface one, the side of the locking rod close to the fixed block one is provided with an inclined surface two, and the inclined surface one and the inclined surface two are matched in position.

[0011] Preferably, the fixing block two is fixedly installed with adjusting pipes on both sides, the locking rod is movably installed in the adjusting pipe, the adjusting pipe is movably installed with a reset plate, the reset plate is fixedly connected with the locking rod, the reset plate is fixedly installed with a spring on one side, and one end of the spring is fixedly connected with the inner wall of the adjusting pipe.

[0012] Preferably, the sealing block is fixedly installed inside the clamping groove, and a sealing groove is formed in the sealing block and matched with the inclined surface.

[0013] Preferably, the shell is composed of two same frame bodies, and the frame bodies are fixedly installed with magnetic blocks at both ends.

[0014] Preferably, a through hole is formed in the bottom of the shell, the shell is in communication with the limiting pipe through the through hole, the spring is fixedly installed on the top of the moving block, and one end of the spring is fixedly connected with the outer wall of the shell.

[0015] The utility model discloses the beneficial effects are as follows:

[0016] (1) the utility model discloses the linkage cooperation of fixed block one and fixed block two etc. parts, actual installation, will be fixedly connected with the tunnel inner wall of spacing plate, after that, the fixed pipe is placed on spacing plate, makes the fixed block one of one end of fixed pipe and inserts the adjacent clamping groove, along with the insertion of fixed block one, gradually extruding locking rod, when the lock hole moves to the locking rod, the one end of locking rod inserts the lock hole, realizes the fixed connection of fixed block one and fixed block two through the linkage cooperation of locking rod and lock hole, and the above-mentioned steps are repeated, and the quick installation of ventilation pipeline can be realized.

[0017] (2) the utility model discloses the linkage cooperation of shell and limiting pipe etc. parts, after the installation of fixed pipe, the shell is fixedly installed at the junction of two fixed pipes, when the leakage occurs at the junction of fixed pipe, gas enters the shell, then enters the limiting pipe through the shell, under the action of air pressure, the moving block gradually moves down, when the moving block contacts the contact block, the alarm alarm, and the sealing property of the junction of ventilation pipeline is quickly reacted and judged in this way. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model makes further explanation in combination with the drawings;

[0019] Figure 1 It is the structure schematic diagram of the utility model;

[0020] Figure 2 It is the structure schematic diagram of the connecting assembly in the utility model;

[0021] Figure 3 It is the structure schematic diagram of the locking rod in the utility model;

[0022] Figure 4 It is the structure schematic diagram of the sealing block in the utility model;

[0023] Figure 5 Figure 1 is a structural schematic diagram of the shell in the utility model;

[0024] Figure 6 Figure 2 is a structural schematic diagram of the frame in the utility model;

[0025] Figure 7 Figure 3 is a structural schematic diagram of the moving block in the utility model.

[0026] Legend: 1, fixed pipe; 2, limiting plate; 3, connecting assembly; 301, fixed block one; 302, fixed block two; 303, locking rod; 304, clamping groove; 305, lock hole; 306, shell; 307, limiting pipe; 308, moving block; 309, contact block; 310, inclined surface one; 311, inclined surface two; 312, adjusting pipe; 313, reset plate; 314, sealing block; 315, sealing groove; 316, frame. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Embodiment one: the embodiment is used to solve the problem that the existing ventilation pipeline is difficult to install quickly in the prior art, because the construction is more complicated during use, which leads to the tunnel construction period being delayed, not only affecting the construction progress, but also possibly leading to project delay, affecting subsequent work arrangement and resource allocation.

[0029] Please refer to Figure 1 - Figure 4 The embodiment is a tunnel construction gas supply ventilation pipeline structure, which comprises a fixed pipe 1 and a limiting plate 2, the fixed pipe 1 is located on the limiting plate 2, the fixed pipe 1 is fixedly provided with a connecting assembly 3 at both ends, and the connecting assembly 3 comprises a fixed block one 301, a fixed block two 302 and a locking rod 303.

[0030] The fixed block one 301 and the fixed block two 302 are respectively located at both ends of the fixed pipe 1, the fixed block two 302 is provided with a clamping groove 304 at the center, the size of the clamping groove 304 is matched with the fixed block one 301, the locking rod 303 is movably installed on the fixed block two 302, the fixed block one 301 is provided with a lock hole 305, and one end of the locking rod 303 is located in the lock hole 305.

[0031] The edge of the fixed block one 301 is provided with an inclined surface one 310, the locking rod 303 is provided with an inclined surface two 311 close to one side of the fixed block one 301, the inclined surface one 310 and the inclined surface two 311 are matched in position, the adjusting pipe 312 is fixedly installed on both sides of the fixed block two 302, the locking rod 303 is movably installed in the adjusting pipe 312, the reset plate 313 is movably installed in the adjusting pipe 312, the reset plate 313 is fixedly connected with the locking rod 303, the spring is fixedly installed on one side of the reset plate 313, and one end of the spring is fixedly connected with the inner wall of the adjusting pipe 312.

[0032] When the fixed block one 301 is inserted into the clamping groove 304, the inclined surface one 310 first contacts the inclined surface two 311, under the action of the inclined surface one 310, the locking rod 303 gradually moves in the adjusting pipe 312, at this time, the spring is in a compressed state, when the locking rod 303 moves to the lock hole 305, the spring pushes the reset plate 313, drives the locking rod 303 to be inserted into the lock hole 305, and the connection is completed.

[0033] The sealing block 314 is fixedly installed in the clamping groove 304, the sealing groove 315 is formed in the sealing block 314, and the sealing groove 315 is matched with the inclined surface one 310, when the fixed block one 301 is moved to the position, one end thereof is inserted into the sealing groove 315, and the inclined surface one 310 is matched with the sealing groove 315, wherein the sealing block 314 is used for sealing the connection, through the cooperation of the inclined surface one 310 and the sealing groove 315, the contact area of the sealing block 314 and the fixed block one 301 is effectively improved, and the sealing property of the connection is improved.

[0034] That is, during actual installation, the limiting plate 2 is fixedly connected with the inner wall of the tunnel, then the fixed pipe 1 is placed on the limiting plate 2, one end of the fixed pipe 1, i.e. the fixed block one 301 is inserted into the adjacent clamping groove 304, with the insertion of the fixed block one 301, the locking rod 303 is gradually extruded, when the lock hole 305 moves to the locking rod 303, one end of the locking rod 303 is inserted into the lock hole 305, through the linkage cooperation of the locking rod 303 and the lock hole 305, the fixed connection of the fixed block one 301 and the fixed block two 302 is realized, and the above steps are repeated, so that the quick installation of the ventilation pipeline is realized.

[0035] Embodiment two: the embodiment is used for solving the problem that the ventilation pipeline is usually long, the leakage of the ventilation pipeline cannot be observed and alarmed in time due to the lack of indicating structure, that is, the sealing property of the connection of the ventilation pipeline cannot be quickly reacted and judged.

[0036] Please refer to Figure 5 - Figure 7As shown, the utility model also includes casing 306 and limit pipe 307, casing 306 fixed mounting is at fixed block one 301 and fixed block two 302 junction, limit pipe 307 fixed mounting is at casing 306 bottom, limit pipe 307 in movable mounting has moving block 308, limit pipe 307 bottom fixed mounting has contact block 309, wherein the type of contact block 309 is according to actual needs, such as contact block 309 is alarm switch, when moving block 308 and contact block 309 abut, alarm starts.

[0037] Casing 306 is combined by two identical frame 316, frame 316 both ends are fixedly installed with magnetic block, after the installation of fixed pipe 1, install two symmetrical frame 316 at each fixed pipe 1 junction, frame 316 is connected through the magnetic block adsorption between, frame 316 edge and fixed pipe 1 surface abut, and frame 316 edge is provided with sealing strip, for guaranteeing the sealing property inside casing 306, which is not drawn in the figure.

[0038] Casing 306 bottom is provided with through-hole, and casing 306 is communicated with limit pipe 307 inside through the through-hole, spring is fixedly installed at the top of moving block 308, one end of spring is fixedly connected with the outer wall of casing 306, and moving block 308 is movably installed in limit pipe 307 through spring, the spring elastic force is utilized, the false touch of moving block 308 is avoided, and the accuracy of judgment is improved.

[0039] When leakage occurs, moving block 308 gradually moves down until contact with contact block 309, at this time, the spring is in a stretched state, after the repair is completed, the spring drives the moving block 308 to reset, and then it can be used continuously, the structure is simple and practical.

[0040] That is, after the installation of fixed pipe 1 is completed, casing 306 is fixedly installed at the junction of two fixed pipes 1, when leakage occurs at the junction of fixed pipe 1, gas enters casing 306, and then enters limit pipe 307 through casing 306, under the action of air pressure, moving block 308 gradually moves down, when moving block 308 contacts contact block 309, the alarm is alarmed, so as to quickly respond and judge the sealing property of the junction of ventilation pipeline.

[0041] In combination with Embodiment One and Embodiment Two, the linkage of the locking rod 303 and the lock hole 305 realizes the fixed connection of the fixed block one 301 and the fixed block two 302, and further realizes the quick installation of the fixed pipe 1; similarly, when disassembling, only the locking rod 303 needs to be pulled to separate it from the lock hole 305, so that the disassembly of the fixed pipe 1 can be realized, which is very convenient; when the fixed pipe 1 connection leaks, the gas enters the shell 306, and then enters the limiting pipe 307 through the shell 306; under the action of air pressure, the moving block 308 gradually moves downward; when the moving block 308 contacts the contact block 309, the alarm alarm, so as to quickly react and judge the sealing property of the ventilation pipe connection.

[0042] The working process and principle of the utility model are as follows:

[0043] Firstly, the linkage of the locking rod 303 and the lock hole 305 realizes the fixed connection of the fixed block one 301 and the fixed block two 302, and further realizes the quick installation of the fixed pipe 1; similarly, when disassembling, only the locking rod 303 needs to be pulled to separate it from the lock hole 305, so that the disassembly of the fixed pipe 1 can be realized, which is very convenient;

[0044] Further, when the fixed pipe 1 connection leaks, the gas enters the shell 306, and then enters the limiting pipe 307 through the shell 306; under the action of air pressure, the moving block 308 gradually moves downward; when the moving block 308 contacts the contact block 309, the alarm alarm, so as to quickly react and judge the sealing property of the ventilation pipe connection;

[0045] That is, the utility model discloses a connecting assembly 3, which realizes the quick installation and disassembly of the fixed pipe 1, and can quickly react and judge the sealing property of the connection.

[0046] The above content is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims.

[0047] In the description of the present application, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the utility model. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0048] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A tunnel construction air supply and ventilation duct structure comprising a fixed pipe (1) and a limiting plate (2), characterized in that, The fixed pipe (1) is located on the limiting plate (2), and the connecting assembly (3) is fixedly installed at both ends of the fixed pipe (1), the connecting assembly (3) comprises a fixed block one (301), a fixed block two (302) and a locking rod (303); The fixed block one (301) and the fixed block two (302) are located at both ends of the fixed pipe (1), respectively, the fixed block two (302) is provided with a clamping groove (304) at the center, the size of the clamping groove (304) is matched with the fixed block one (301), the locking rod (303) is movably installed on the fixed block two (302), and the fixed block one (301) is provided with a lock hole (305), one end of the locking rod (303) is located in the lock hole (305). The connecting assembly (3) further comprises a shell (306) and a limiting pipe (307), the shell (306) is fixedly installed at the connecting position of the fixed block one (301) and the fixed block two (302), the limiting pipe (307) is fixedly installed at the bottom of the shell (306), the movable block (308) is movably installed in the limiting pipe (307), and the contact block (309) is fixedly installed at the bottom of the limiting pipe (307).

2. A tunnel construction air supply and ventilation duct structure according to claim 1, characterized in that, The fixed block one (301) is provided with an inclined surface one (310) at the edge, the locking rod (303) is provided with an inclined surface two (311) at the side close to the fixed block one (301), and the inclined surface one (310) and the inclined surface two (311) are matched in position.

3. A tunnel construction air supply and ventilation duct structure according to claim 2, characterised in that, The fixed block two (302) is fixedly installed with an adjusting pipe (312) on both sides, the locking rod (303) is movably installed in the adjusting pipe (312), the adjusting pipe (312) is movably installed with a reset plate (313), the reset plate (313) is fixedly connected with the locking rod (303), one side of the reset plate (313) is fixedly installed with a spring, and one end of the spring is fixedly connected with the inner wall of the adjusting pipe (312).

4. A tunnel construction air supply and ventilation duct structure according to claim 3, characterized in that, The sealing block (314) is fixedly installed in the clamping groove (304), the sealing groove (315) is formed in the sealing block (314), and the sealing groove (315) is matched with the inclined surface one (310).

5. A tunnel construction air supply and ventilation duct structure according to claim 4, wherein The shell (306) is composed of two same frame bodies (316), and the frame body (316) is fixedly installed with a magnetic block at both ends.

6. A tunnel construction air supply and ventilation duct structure according to claim 1, characterized by The shell (306) is provided with a through hole at the bottom, the shell (306) is in communication with the inside of the limiting pipe (307) through the through hole, the movable block (308) is fixedly installed with a spring at the top, and one end of the spring is fixedly connected with the outer wall of the shell (306).

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