Tunnel pipeline integrated connecting device

Abstract

A tunnel pipeline integrated connecting device comprises a plurality of sets of support units and a plurality of sets of pipeline units. The support units are installed on the side wall of a tunnel at intervals in the length direction, each support unit comprises a fixing plate, and one end of each fixing plate is fixed through an expansion bolt. T-shaped mortise lock rods are installed at the other ends of the fixing plates and connected with the corresponding pipeline units in a clamped mode. Each group of pipeline units comprises a plurality of groups of pipelines, one ends of the plurality of groups of pipelines are connected through connecting sockets, and the other ends of the plurality of groups of pipelines are connected through connecting bellmouths; when the adjacent pipeline units are connected, the connecting insertion openings and the connecting bell mouths are connected in an inserted mode and fastened through connecting bolts. According to the tunnel pipeline integrated connecting device, the pipeline installation construction efficiency in the tunnel construction period can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipeline connecting device, in particular to a tunnel pipeline integrated connecting device. BACKGROUND

[0002] The existing underground engineering tunnel pipeline (water supply pipe, air supply pipe, drainage pipe) support type mainly adopts angle steel welding into a support currently, and the support is composed of two horizontally arranged horizontal plates and vertical plates. The support is anchored with the tunnel shotcrete or secondary lining concrete side wall through expansion bolts, and the pipeline is fixed on the horizontal angle steel using a U-shaped buckle. There are many disadvantages such as more preparation work of material cutting and welding, large drilling and anchoring workload, slow on-site construction progress, etc., which are not suitable for modern tunnel rapid construction requirements. UTILITY MODEL CONTENT

[0003] The utility model solves the technical problem to provide a tunnel pipeline integrated connecting device, which can realize rapid installation and improve the pipeline installation and construction efficiency during tunnel construction.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A tunnel pipeline integrated connecting device, comprising a plurality of support units and a plurality of pipeline units;

[0006] The plurality of support units are installed on the tunnel side wall along the length direction at intervals, and each support unit comprises a fixed plate, one end of which is fixed by an expansion bolt; the other end of the fixed plate is provided with a T-shaped plug-in lock rod, and the T-shaped plug-in lock rod is connected with the corresponding pipeline unit;

[0007] Each pipeline unit comprises a plurality of pipelines, one end of which is connected through a connecting socket, and the other end of which is connected through a connecting socket; when the adjacent pipeline units are connected, the connecting socket and the connecting socket are inserted and fastened through the connecting bolt.

[0008] The plurality of pipelines in the pipeline unit extend out of the connecting socket at one end, and the extending part of the plurality of pipelines is a first insertion part; the other end of the plurality of pipelines in the pipeline unit is flush with the outer end surface of the connecting socket, and the part of the plurality of pipelines located in the connecting socket is a second insertion part; the first insertion part and the second insertion part are inserted.

[0009] The first insertion part and the second insertion part are both tapered pipes, the diameter of the first insertion part continuously decreases away from the connecting socket, and the diameter of the second insertion part continuously increases towards the side of the first insertion part.

[0010] The back surface of the connecting socket is provided with a gourd-shaped clamping groove, and the T-shaped plug-in lock rod is inserted into the gourd-shaped clamping groove and locked.

[0011] The fixed plate is made of channel steel.

[0012] The T-shaped plug-in lock rod is welded by a round steel plate and a reinforcing bar.

[0013] The multiple groups of pipes in the pipe unit include water supply pipes, drainage pipes and air supply pipes.

[0014] The utility model provides a kind of tunnel pipeline integrated connecting device, with following technical effects: by the both ends of multiple groups of pipes are integrated by connecting socket and connecting socket, and T-shaped plug-in lock rod and gourd type clamping groove are connected between support unit and pipe unit;Adjacent pipe unit is connected using plug-in mode, so that the multiple drawbacks of the existing pipe support construction process complexity, multiple connecting bolts, single steel pipe re-investment, more on-site operation and slow construction progress are solved;Speed up the pipeline installation construction progress, improve work efficiency, reduce manual investment, save construction cost, and produce significant benefits in underground engineering tunnel construction period pipeline installation construction. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described below in connection with drawings and examples:

[0016] Figure 1 It is the right view (section) of the utility model.

[0017] Figure 2 It is the local front view of the utility model.

[0018] Figure 3 It is the state schematic view when connecting socket and connecting socket are not plugged in the utility model.

[0019] Figure 4 It is the state schematic view when connecting socket and connecting socket are plugged in the utility model.

[0020] In the drawing: fixed plate 1, expansion bolt 2, T-shaped plug-in lock rod 3, connecting socket 4, connecting socket 5, connecting bolt 6, gourd type clamping groove 7, water supply pipe 8, drainage pipe 9, air supply pipe 10, weld 11, shotcrete 12, excavated rock surface 13. DETAILED DESCRIPTION

[0021] As Figures 1-2 Shown, a kind of tunnel pipeline integrated connecting device, including multiple groups of support unit and multiple groups of pipe unit.

[0022] Each group of support unit includes fixed plate 1, expansion bolt 2, T-shaped plug-in lock rod 3. Among them, fixed plate 1 one end is fixed on the inner wall of shotcrete 12 by expansion bolt 2, and the other end of fixed plate 1 is fixed with T-shaped plug-in lock rod 3.

[0023] The fixed plate 1 is cut from an angle steel with an angle of 80 mm and a thickness of 6 mm, and the length is determined according to the number of pipelines on the site, and the length is generally 900 mm. The fixed plate 1 is processed in the hole outside the processing workshop according to the standardization, and is connected with the tunnel shotcrete or the second lining concrete side wall through impact hole forming and expansion bolts 2.

[0024] The T-shaped plug-in lock rod 3 is welded from a Φ14 mm steel bar and a Φ30 mm round steel plate, and the length is determined according to the diameter of the pipeline on the site. When processing, the outer side is welded to the end of the Φ14 mm steel bar by a Φ30 mm thick 14 mm round steel plate, and the inner side is connected with the fixed plate 1 horizontally by welding; the outer end can be inserted into the gourd-shaped clamping groove 7 of the connecting socket 5, and then the connecting socket 5 is pressed downward to realize the connection and locking of the support unit and the pipeline unit.

[0025] As shown in Figures 3-4 Each group of pipeline units includes a plurality of groups of pipelines, and the plurality of groups of pipelines are connected into a whole at one end through the connecting socket 4. The plurality of groups of pipelines outside the connecting socket 4 extend out of the connecting socket 4 by a part, and the part of the plurality of groups of pipelines extending out of the connecting socket 4 is set as the first plug-in part 4.1 during plug-in.

[0026] As shown in Figures 3-4 The other end of the plurality of groups of pipelines is connected into a whole through the connecting socket 5, and the end faces of the plurality of groups of pipelines outside the connecting socket 5 are flush with the outer end of the connecting socket 5. The part of the plurality of groups of pipelines inside the connecting socket 5 is set as the second plug-in part 5.1 during plug-in.

[0027] As shown in Figures 3-4 The first plug-in part 4.1 and the second plug-in part 5.1 are both tapered, wherein the diameter of the first plug-in part 4.1 gradually decreases towards the outside, and the diameter of the second plug-in part 5.1 gradually increases towards the outside. During the connection between adjacent pipeline units, the first plug-in part 4.1 and the second plug-in part 5.1 are plugged in cooperation. At the same time, the upper and lower ends of the connecting socket 4 and the connecting socket 5 are connected into a whole through the connecting bolts 6.

[0028] The plurality of groups of pipelines can be three groups, which are water supply pipes 8, drainage pipes 9 and air supply pipes 10.

[0029] As shown in Figures 3-4 The connecting socket 4 and the connecting socket 5 are made of aluminum plastic synthetic material, and the first and last ends of the water supply pipes 8, the drainage pipes 9 and the air supply pipes 10 in the pipeline unit are integrated together, and the pipelines are connected in the socket type.

[0030] The gourd-shaped clamping groove 7 is reserved on the back of the connecting socket 5, and the gourd-shaped clamping groove 7 is connected and locked with the T-shaped plug-in lock rod 3 of the support unit.

[0031] The connecting socket 4 and the connecting socket 5 are a hollow shell, which is also an extension of the pipeline, only the cross section is gradually changed, and the factory directly press-molds according to the design size of the pipeline, which is convenient for the connection of the pipeline.

[0032] The water supply pipe 8, the drainage pipe 9 and the air supply pipe 10 are generally arranged in layers from top to bottom according to the size of the pipe diameter, and the water supply pipe 8, the drainage pipe 9 and the air supply pipe 10 all adopt new type high-strength light-weight PE pipe PEX pipe which is integrated into the connecting head in the workshop or factory outside the hole according to the design, transported to the hole and then assembled and installed on site, and the linear section is extended by a standard section of 6m, and every 6m is supported by a support unit. If a circular arc section or a special hole section is encountered, it can be connected by adjusting sections of 3m, 2m or 1m.

[0033] Working principle and process:

[0034] 1) According to the tunnel excavation section size and construction scheme, the diameters of the water supply, drainage and air supply function pipes are determined, the pipe support is designed according to the parameters of the pipe function during the tunnel construction, and the design sizes of the fixing plate 1, the T-shaped plug-in lock rod 3, the connecting socket 4, the connecting socket 5 and the like are further determined. The support unit standardization processing is carried out in the workshop outside the hole according to the design size, and the standard parts are cut, polished, drilled and welded;

[0035] 2) The fixing plate 1 and the T-shaped plug-in lock rod 3 are welded into a support standard part, and then transported to the site, every 6m is impact drilled, the support installation center height is generally 1.0m above the tunnel bottom plate, and the support unit standard part is fixed by the expansion bolt 2.

[0036] 3) The connecting socket 4 and the connecting socket 5 of the pipeline unit are integrally pressure cast by light high-strength aluminum plastic composite material, and the one end of the water supply pipe 8, the drainage pipe 9 and the air supply pipe 10 is integrated into the connecting socket 4 and the other end is integrated into the connecting socket 5 according to the design size by the manufacturer or the workshop outside the hole, forming a 6m fixed-length pipeline unit standard part, and the pipeline unit standard part is connected by socket type, and the connecting bolt 6 is fastened after connection.

[0037] 4) The back of the connecting socket 5 of the pipeline unit standard part is reserved with a gourd-shaped clamping groove 7, which is connected and locked with the T-shaped plug-in lock rod 3 of the support unit, which can realize the assembly type rapid extension construction, reduce the labor input and construction strength, and greatly improve the construction speed of the on-site pipeline connection and fixation.

Claims

1. A tunnel conduit integrated connection device, characterized by: The tunnel pipeline system comprises a plurality of groups of support units and a plurality of groups of pipeline units. The plurality of groups of support units are installed on the sidewall of the tunnel along the length direction, and each group of support units comprises a fixed plate (1) fixed at one end by an expansion bolt (2); the other end of the fixed plate (1) is provided with a T-shaped plug-in lock rod (3), and the T-shaped plug-in lock rod (3) is connected with the corresponding pipeline unit. Each group of pipeline units comprises a plurality of groups of pipelines, one end of the plurality of groups of pipelines is connected by a connecting socket (4), and the other end of the plurality of groups of pipelines is connected by a connecting socket (5); when the adjacent pipeline units are connected, the connecting socket (4) and the connecting socket (5) are inserted and fastened by a connecting bolt (6).

2. A tunnel conduit integrated connection device according to claim 1, characterized in that: One end of the plurality of groups of pipelines in the pipeline unit partially extends out of the connecting socket (4), and the extended part of the plurality of groups of pipelines is a first insertion part (4.1); the other end of the plurality of groups of pipelines in the pipeline unit is flush with the outer end surface of the connecting socket (5), and the part of the plurality of groups of pipelines located in the connecting socket (5) is a second insertion part (5.1), and the first insertion part (4.1) and the second insertion part (5.1) are inserted. The first insertion part (4.1) and the second insertion part (5.1) are both tapered pipes, the diameter of the first insertion part (4.1) continuously decreases in the direction away from the connecting socket (4), and the diameter of the second insertion part (5.1) continuously increases in the direction of the first insertion part (4.1).

3. A tunnel conduit integrated connection device according to claim 2, characterized in that: The connecting socket (5) is provided with a gourd-shaped clamping groove (7) on the back surface, and the T-shaped plug-in lock rod (3) is inserted into the gourd-shaped clamping groove (7) to be locked.

4. The tunnel conduit integrated connection device according to claim 3, characterized in that: The fixed plate (1) is made of a channel steel.

5. A tunnel conduit integrated connection device according to claim 4, characterized in that: The T-shaped plug-in lock rod (3) is made of a round steel plate and a reinforcing bar.

6. A tunnel conduit integrated connection device according to claim 5, characterized in that: The plurality of groups of pipelines in the pipeline unit comprise water supply pipes (8), drainage pipes (9) and air supply pipes (10).

7. A tunnel conduit integrated connection device according to claim 6, characterized in that: ​

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