Sectional type maintenance spraying pipe and tunnel maintenance trolley

Abstract

The utility model relates to the technical field of tunnel engineering, in particular to a sectional type maintenance spraying pipe and a tunnel maintenance trolley, the sectional type maintenance spraying pipe comprises a cross beam, a top spraying assembly and a side spraying assembly, the cross beam is connected to the tunnel maintenance trolley, and the side spraying assembly is connected to the end of the cross beam in an angle-adjustable mode. The top spraying assembly comprises a top supporting rod, a top spraying pipe and a plurality of first spraying heads, the top supporting rod is connected between the cross beam and the top spraying pipe, the side spraying assembly comprises at least two side spraying pipes and a plurality of second spraying heads, the side spraying pipes and the second spraying heads are hinged, and the second spraying heads are arranged in the length direction of the side spraying pipes at intervals. The spray pipe solves the technical problem that a spray pipe in the prior art cannot maintain a tunnel top lining. By changing the lengths of various structures and the angle between every two adjacent spraying pipes, the spraying device can adapt to tunnels with different section sizes or ventilation pipes with different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel engineering, in particular to a segmented maintenance spray pipe and a tunnel maintenance trolley. Background Art

[0002] During tunnel construction, the maintenance trolley needs to spray and maintain the concrete surface after the lining trolley is demoulded. When the maintenance trolley moves in the tunnel, it needs to pass through the ventilation pipes on the top / side of the tunnel. The existing spray pipe structure is only suitable for tunnels with ventilation pipes on both sides of the tunnel, but for tunnels with ventilation pipes at the top of the tunnel, the existing spray pipe structure cannot maintain such tunnels. When the existing structure sprays and maintains the top of the tunnel, water flows down along the side wall of the tunnel due to gravity to maintain the side wall of the tunnel. When the ventilation pipe is at the top of the tunnel, due to the limitation of the position of the ventilation pipe, the existing spray pipe cannot rise and maintain the top of the tunnel, and thus the spray maintenance process cannot be completed.

[0003] In summary, there is an urgent need for a sprinkler pipe structure that can adapt to the ventilation pipe being located at the top of the tunnel to solve the problems existing in the prior art. Utility Model Content

[0004] The utility model aims to provide a segmented maintenance spray pipe and a tunnel maintenance trolley to solve the technical problem that the spray pipe in the prior art cannot maintain the tunnel top lining. The specific technical solution is as follows:

[0005] The utility model provides a segmented maintenance spray pipe, comprising a crossbeam, a top spray assembly and a side spray assembly, the crossbeam is connected to a tunnel maintenance trolley, the side spray assembly is connected to the end of the crossbeam at an adjustable angle, the top spray assembly comprises a top support rod, a top spray pipe and a plurality of first nozzles, the top support rod is connected between the crossbeam and the top spray pipe, the plurality of first nozzles are arranged at intervals along the length direction of the top spray pipe, the side spray assembly comprises a side spray pipe and a plurality of second nozzles, the plurality of second nozzles are arranged at intervals along the length direction of the side spray pipe, and the side spray pipe and the top spray pipe are connected to the water supply pipe of the tunnel maintenance trolley.

[0006] A further improvement of the utility model segmented maintenance spray pipe is that it comprises two side spray assemblies, which are respectively connected to the two ends of the beam with adjustable angles, and the number of the side spray pipes on the same side is at least two, and at least two side spray pipes are connected in series and hingedly arranged.

[0007] A further improvement of the segmented maintenance spray pipe of the utility model is that a diagonal brace is detachably connected between the side spray pipe and the cross beam.

[0008] A further improvement of the sectional maintenance spray pipe of the utility model is that the diagonal support is a telescopic rod.

[0009] A further improvement of the utility model segmented maintenance spray pipe is that the telescopic rod comprises a sub-rod, a main rod and a latch, and openings for correspondingly inserting the latch are provided on the sub-rod and the main rod.

[0010] A further improvement of the sectional maintenance spray pipe of the utility model is that a connecting support rod is provided on the cross beam, and the connecting support rod is connected to the tunnel maintenance trolley.

[0011] A further improvement of the utility model segmented maintenance spray pipe is that the cross beam includes three hinged connecting sections, the top support rod is arranged on the middle connecting section, and the two side spray pipes are arranged one-to-one corresponding to the connecting sections located at both ends; the angle between the side spray pipe and the connecting section is adjustable.

[0012] A further improvement of the segmented maintenance spray pipe of the utility model lies in that the side spray pipe is arranged on the connecting section through an adjustable connecting piece.

[0013] The utility model also comprises a tunnel maintenance trolley, comprising a trolley body and the above-mentioned segmented maintenance spray pipe, wherein the segmented maintenance spray pipe is arranged on the arm support of the trolley body.

[0014] A further improvement of the tunnel maintenance trolley of the utility model is that the arm is an electric telescopic rod, and the arm is rotatably mounted on the trolley body.

[0015] The application of the technical solution of the utility model has the following beneficial effects:

[0016] The utility model adopts a segmented maintenance spray pipe, which sprays and maintains the tunnel top lining by installing a top spray assembly on the crossbeam, thus solving the technical problem that the spray pipe in the prior art cannot maintain the tunnel top lining. The utility model can adapt to tunnels with different cross-sectional sizes or ventilation pipes of different sizes by changing the length of various structures and the angle between adjacent spray pipes; and the segmented spray pipe has a simple structure, high stability, easy installation, high interchangeability, and can be reused.

[0017] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0019] Figure 1It is a schematic diagram of maintenance of the utility model segmented maintenance spray pipe when side ventilation pipes are arranged on both sides of the tunnel;

[0020] Figure 2 It is a schematic diagram of maintenance of the utility model segmented maintenance spray pipe when a side ventilation pipe is arranged on the top of the tunnel;

[0021] Figure 3 This is a schematic diagram of the utility model after the crossbeam angle of the segmented maintenance spray pipe is adjusted;

[0022] Figure 4 yes Figure 2 Enlarged view of circle A in the middle;

[0023] Figure 5 It is a schematic diagram of side ventilation pipes provided on both sides of the tunnel;

[0024] Figure 6 This is a schematic diagram of a tunnel with side ventilation ducts installed on the top.

[0025] Among them, 1. crossbeam; 2. top spray pipe; 3. top support rod; 4. side spray pipe; 5. connecting support rod; 6. tunnel maintenance trolley; 7. diagonal support; 8. ventilation pipe. DETAILED DESCRIPTION

[0026] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0027] See also Figure 1 to Figure 6 As shown, a segmented maintenance spray pipe includes a crossbeam 1, a top spray assembly and two side spray assemblies, the crossbeam 1 is connected to the tunnel maintenance trolley 6, and the two side spray assemblies are respectively connected to the two ends of the crossbeam 1 with adjustable angles, the top spray assembly includes a top support rod 3, a top spray pipe 2 and a plurality of first nozzles, the top support rod 3 is connected between the crossbeam 1 and the top spray pipe 2, and the plurality of first nozzles are arranged at intervals along the length direction of the top spray pipe 2, the side spray assembly includes a side spray pipe 4 and a plurality of second nozzles, and the plurality of second nozzles are arranged at intervals along the length direction of the side spray pipe 4, and the side spray pipe 4 and the top spray pipe 2 are connected to the water supply pipe of the tunnel maintenance trolley 6. The side spray pipe 4 and the top spray pipe 2 can adopt different lengths according to the actual situation on site. The multi-section side spray pipe 4 can adapt to the two ventilation pipes 8 at different positions on the top of the tunnel and tunnels with different cross-sectional sizes by changing the length of the spray pipe or changing the angle between adjacent spray pipes.

[0028] like Figure 2 and Figure 6 As shown, when a top ventilation pipe 8 is provided in the tunnel, the top spray assembly is removed and the number of side spray pipes 4 is increased to increase the length; Figure 1 and Figure 5As shown, if side ventilation pipes 8 are provided on both sides of the tunnel, a top spray assembly is installed, the number of side spray pipes 4 is reduced to shorten the length, the top spray component is located between the two side ventilation pipes 8, and the side spray component is located below the side ventilation pipes 8.

[0029] Preferably, the number of the side spray pipes 4 on the same side is at least two, and the at least two side spray pipes 4 are connected in series and hingedly arranged. The hinged structure can adopt a hinge with damping or a structure of an ear plate and a screw nut.

[0030] Preferably, Figure 2 and Figure 4 As shown, a diagonal brace 7 is detachably connected between the side spray pipe 4 and the cross beam 1 to support the side spray pipe 4. When there are three side spray pipes 4, the diagonal brace 7 is connected to the middle section of the side spray pipe 4 by bolt connection. A plurality of first ear plates with openings can be provided on the side spray pipe 4, and a second ear plate with openings can be provided at the end of the diagonal brace 7 close to the side spray pipe 4. Bolts are passed through the first ear plate and the second ear plate and fastened with nuts to achieve detachable connection. The angle of the side spray pipe 4 relative to the cross beam 1 can be conveniently adjusted by bolting different first ear plates, and the angle can be fixed after adjustment by tightening the bolts with nuts.

[0031] Preferably, the diagonal brace 7 is a telescopic rod, so that the angle of the side spray pipe 4 can be adjusted by the extension and retraction of the diagonal brace 7. Specifically, the structure of the telescopic rod can adopt a parent-child rod structure, and corresponding openings are provided on the parent-child rod, and the pins are correspondingly inserted into the openings of the parent-child rod, so as to fix the length of the telescopic rod. Changing the length of the diagonal brace 7 or changing the angle between adjacent side spray pipes 4 can adapt to the situation where a ventilation pipe 8 of different sizes is located at the top of the tunnel.

[0032] Preferably, the cross beam 1 is provided with a connecting strut 5, which is connected to the tunnel maintenance trolley 6. The connecting strut 5 is L-shaped, and the connecting strut 5 and the end of the vehicle arm frame of the tunnel maintenance trolley 6 are both provided with connecting holes, and the connecting strut 5 and the end of the vehicle arm frame of the tunnel maintenance trolley 6 are connected by bolts.

[0033] Preferably, Figure 3 As shown, the cross beam 1 includes three hinged connection sections, and the side spray pipe 4 is connected to the connection sections at both ends of the cross beam 1 in an angle-adjustable manner. A connection structure of ear plates and bolts and nuts can also be used between the three connection sections to achieve angle adjustment while fixing relative positions.

[0034] Preferably, the side spray pipe 4 is arranged on the connecting section through an adjustable connecting piece; the adjustable connecting piece includes a first ear plate, a third ear plate, a fastening screw and a fastening nut, the first ear plate is fixed to the side spray pipe 4, the third ear plate is fixed to the end of the connecting section, the fastening screw passes through the first ear plate and the third ear plate, and is screwed to the fastening screw through the fastening nut.

[0035] Preferably, the cross beam 1 is a square tube. The square tube can be made of steel to improve the support strength of the cross beam 1.

[0036] The utility model also includes a tunnel maintenance trolley 6, including a trolley body and the above-mentioned segmented maintenance spray pipe, the segmented maintenance spray pipe is arranged on the arm of the trolley body. The middle connecting section is connected to the arm through a connecting support rod 5.

[0037] Preferably, the arm is an electric telescopic rod, and the arm is rotatably mounted on the trolley body. The electric telescopic rod can be a pneumatic telescopic rod or a telescopic rod provided with a telescopic hydraulic cylinder. The arm is rotatably mounted on the trolley body via an electric turntable.

[0038] The utility model provides a segmented maintenance spray pipe, which sprays and maintains the tunnel top lining by installing a top spray assembly on the crossbeam 1, thereby solving the technical problem that the spray pipe in the prior art cannot maintain the tunnel top lining. The utility model can adapt to tunnels of different cross-sectional sizes or ventilation pipes 8 of different sizes by changing the length of various structures and the angle between adjacent spray pipes; and the segmented spray pipe has a simple structure, high stability, easy installation, high interchangeability, and can be reused.

[0039] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A segmented maintenance spray pipe, characterized in that: The invention comprises a crossbeam (1), a top spray assembly and a side spray assembly, wherein the crossbeam (1) is connected to a tunnel maintenance trolley (6), and the side spray assembly is connected to the end of the crossbeam (1) in an angle-adjustable manner. The top spray assembly comprises a top support rod (3), a top spray pipe (2) and a plurality of first spray heads, wherein the top support rod (3) is connected between the crossbeam (1) and the top spray pipe (2), and the plurality of first spray heads are arranged at intervals along the length direction of the top spray pipe (2). The side spray assembly comprises a side spray pipe (4) and a plurality of second spray heads, wherein the plurality of second spray heads are arranged at intervals along the length direction of the side spray pipe (4), and the side spray pipe (4) and the top spray pipe (2) are connected to a water supply pipe of the tunnel maintenance trolley (6).

2. The segmented maintenance spray pipe according to claim 1 is characterized in that: It comprises two side spray assemblies, which are respectively connected to the two ends of the crossbeam (1) with adjustable angles. The number of the side spray pipes (4) on the same side is at least two, and the at least two side spray pipes (4) are connected in series and hingedly arranged.

3. The segmented maintenance spray pipe according to claim 1 is characterized in that: A diagonal brace (7) is detachably connected between the side spray pipe (4) and the crossbeam (1).

4. The segmented maintenance spray pipe according to claim 3 is characterized in that: The diagonal brace (7) is a telescopic rod.

5. The segmented maintenance spray pipe according to claim 4 is characterized in that: The telescopic rod comprises a sub-rod, a main rod and a latch, and openings for the latch to be correspondingly inserted are formed on the sub-rod and the main rod.

6. The segmented maintenance spray pipe according to claim 1, characterized in that: The crossbeam (1) is provided with a connecting strut (5), and the connecting strut (5) is connected to a tunnel maintenance trolley (6).

7. The segmented maintenance spray pipe according to claim 1, characterized in that: The crossbeam (1) comprises three hinged connecting sections, the top support rod (3) is arranged on the middle connecting section, and the two side spray pipes (4) are arranged in one-to-one correspondence with the connecting sections at both ends; the angle between the side spray pipes (4) and the connecting sections is adjustable.

8. The segmented maintenance spray pipe according to claim 7, characterized in that: The side spray pipe (4) is arranged on the connecting section via an adjustable connecting piece.

9. A tunnel maintenance trolley, characterized in that: It comprises a trolley body and a segmented maintenance spray pipe as described in any one of claims 1 to 8, wherein the segmented maintenance spray pipe is arranged on the arm of the trolley body.

10. The tunnel maintenance trolley according to claim 9, characterized in that: The arm is an electric telescopic rod, and the arm is rotatably mounted on the trolley body.

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