Adjustable walkway plate support for shield tunnel

Abstract

The utility model relates to the technical field of walkway plate supports, in particular to an adjustable walkway plate support for a shield tunnel. Comprising a support body, and one end of the support body is connected with a duct piece pre-buried channel through a connecting mechanism; the connecting mechanism comprises a sliding groove connecting bracket connected with the support body and a sliding groove connecting plate fixed to the sliding groove connecting bracket, a T-shaped bolt is arranged on the sliding groove connecting plate, and the T-shaped bolt penetrates through the sliding groove connecting plate to be fixedly connected with the duct piece embedded channel. According to the duct piece pre-buried channel fixing support, the duct pieces do not need to be punched independently for fixing or duct piece connecting bolts do not need to be loosened and tightened repeatedly, the duct pieces cannot be damaged, construction efficiency is guaranteed, and turnover use is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of walkway plate brackets, in particular to an adjustable walkway plate bracket for a shield tunnel. Background Art

[0002] When subway tunnels are constructed using the shield method, temporary walkway slabs in the tunnel need to be extended toward the excavation face as the shield tunneling construction progresses. The current conventional practice is to use tunnel segment connecting bolts to set hanging points or to drive expansion screws on the segments to fix brackets. This consumes materials and labor, has a low degree of standardization, and causes damage to the segment surface structure. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an adjustable walkway plate bracket for a shield tunnel to solve the problems involved in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable walkway plate bracket for a shield tunnel, comprising a bracket body, one end of which is connected to a pre-buried channel of a pipe segment through a connecting mechanism;

[0005] The connecting mechanism includes a slide groove connecting bracket connected to the bracket body, a slide groove connecting plate fixed to the slide groove connecting bracket, and the slide groove connecting plate is provided with a T-bolt, and the T-bolt passes through the slide groove connecting plate and is fixedly connected to the pre-embedded groove of the pipe segment.

[0006] Furthermore, the support body includes a support column, a support main beam and a support diagonal brace, and the support column, the support main beam and the support diagonal brace form a triangle.

[0007] Furthermore, the support columns are respectively provided with walkway plate height adjustment holes and support diagonal brace adjustment holes, the support main beam is fixedly connected to the support columns through the walkway plate height adjustment holes, and the support diagonal braces are fixedly connected to the support columns through the support diagonal brace adjustment holes.

[0008] Furthermore, the connecting mechanism is arranged at the end of the support main beam, and a pipeline support is also arranged on the outer side of the support column.

[0009] Furthermore, the walkway plate is arranged above the main beam of the support.

[0010] Furthermore, the bracket body is connected to the slide slot connecting bracket by a fixing bolt, the slide slot connecting plate is provided with a bolt hole, and the T-bolt passes through the bolt hole.

[0011] Furthermore, the pipeline support is L-shaped.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model utilizes the pre-buried groove fixing bracket of the pipe segment, and there is no need to punch holes on the pipe segment for fixing or repeatedly loosen and tighten the pipe segment connecting bolts, so the pipe segment will not be damaged, the construction efficiency is guaranteed, and turnover use is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the bracket and the pre-buried groove of the pipe segment at A in the embodiment of the utility model;

[0016] In the figure:

[0017] Connecting corbel 1, slide connecting plate 2, T-bolt 3, embedded channel of pipe segment 4, nut 5, bracket column 6, bracket main beam 7, bracket diagonal brace 8, walkway plate height adjustment hole 9, bracket diagonal brace adjustment hole 10, pipeline bracket 11, guardrail crossbar reserved hole 12. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Example

[0019] Depend on Figure 1-2 As shown, a shield tunnel adjustable walkway plate support includes a support body, one end of the support body is connected to the pre-buried channel 4 of the pipe segment through a connecting mechanism;

[0020] The connection mechanism includes a chute connection bracket 1 connected to the bracket body, a chute connection plate 2 fixed to the chute connection bracket 1, a T-bolt 3 is provided on the chute connection plate 2, and the T-bolt 3 penetrates the chute connection plate 2 and is fixedly connected to the pre-embedded channel 4 of the pipe segment. The bracket body is connected to the chute connection bracket 1 by a fixing bolt, and a bolt hole is provided on the chute connection plate 2, and the T-bolt 3 penetrates the bolt hole. A nut 5 is also provided on the T-bolt 3, and the chute connection plate 2 is fixed to the pre-embedded channel 4 of the pipe segment by the T-bolt 3 and the nut 5.

[0021] The support body includes a support column 6, a support main beam 7 and a support diagonal brace 8. The support main beam 7 and the support diagonal brace 8 are connected by bolts. The connection mechanism is arranged at the end of the support main beam 7. The support column 6, the support main beam 7 and the support diagonal brace 8 form a triangle. The support column 6 and the support main beam 7 are vertically connected. The support column 6 is provided with a walkway plate height adjustment hole 9 and a support diagonal brace adjustment hole 10 respectively. The support main beam 7 is fixedly connected to the support column 6 through the walkway plate height adjustment hole 9, and the support diagonal brace 8 is fixedly connected to the support column 6 through the support diagonal brace adjustment hole 10. Through the walkway plate height adjustment hole 9 and the support diagonal brace adjustment hole 10, the height of the support main beam 7 and the angle between the support diagonal brace 8 and the support main beam 7 can be adjusted to adapt to tunnels of different sizes. A pipeline bracket 11 is also arranged on the outer side of the support column 6. The pipeline bracket 11 is L-shaped. The walkway plate is arranged above the support main beam 7. When fixed, the C-shaped channel steel at the end of the walkway plate is buckled into the support channel steel for fixing. The support column 6 is also provided with a guardrail crossbar reserved hole 12 for fixing the guardrail.

[0022] When in use, multiple groups of walkway board brackets are placed in parallel and at intervals, and all the bracket main beams 7 jointly support the walkway board.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable walkway plate support for a shield tunnel, characterized in that: It comprises a bracket body, one end of which is connected to the pre-buried groove of the pipe segment through a connecting mechanism; The connecting mechanism includes a slide groove connecting bracket connected to the bracket body, a slide groove connecting plate fixed to the slide groove connecting bracket, and the slide groove connecting plate is provided with a T-bolt, and the T-bolt passes through the slide groove connecting plate and is fixedly connected to the pre-embedded groove of the pipe segment.

2. The adjustable walkway plate support for a shield tunnel according to claim 1, characterized in that: The support body comprises a support column, a support main beam and a support diagonal brace, and the support column, the support main beam and the support diagonal brace form a triangle.

3. The adjustable walkway plate support for a shield tunnel according to claim 2, characterized in that: The support columns are respectively provided with walkway plate height adjustment holes and support diagonal brace adjustment holes, the support main beam is fixedly connected to the support column through the walkway plate height adjustment holes, and the support diagonal brace is fixedly connected to the support column through the support diagonal brace adjustment holes.

4. The adjustable walkway plate support for a shield tunnel according to claim 2, characterized in that: The connecting mechanism is arranged at the end of the support main beam, and a pipeline support is also arranged on the outer side of the support column.

5. The adjustable walkway plate support for a shield tunnel according to claim 2, characterized in that: The walkway plate is arranged above the main beam of the support.

6. The adjustable walkway plate support for a shield tunnel according to claim 1, characterized in that: The bracket body is connected to the slide slot connecting bracket by a fixing bolt, the slide slot connecting plate is provided with a bolt hole, and the T-bolt passes through the bolt hole.

7. The adjustable walkway plate support for a shield tunnel according to claim 4, characterized in that: The pipeline support is L-shaped.

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