Bracket for concrete shield segment

By designing a swivel caster and an adjustable positioning frame support structure, the problem of easy damage to the square timber bracket was solved, and stable support for segments with different degrees of curvature was achieved, enhancing the load-bearing capacity and service life of the bracket.

CN223606069UActive Publication Date: 2025-11-28XINXIANG YAODING BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202422715555.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-11-28
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

In existing technologies, concrete shield tunnel segments are placed using timber supports. However, timber is easily damaged, resulting in poor load-bearing capacity and an inability to effectively support segments with varying degrees of curvature.

Method used

A bracket for concrete shield tunnel segments was designed, which adopts a structure of movable universal wheels, adjustable positioning frame and support rod. The segment is stably positioned and supported by sliding grooves and sliders. The support plate can be tilted and adjusted to adapt to different degrees of curvature.

Benefits of technology

The increased load-bearing capacity of the bracket enables it to stably support segments with varying degrees of curvature, reduces wear on bracket components, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of concrete mechanical equipment, and discloses a bracket for a concrete shield segment, which comprises a bottom plate, four universal wheels are fixedly mounted at the bottom of the bottom plate, the four universal wheels are arranged at the bottom of the bottom plate in a rectangular array, sliding rails are oppositely arranged at the front end and the rear end of the bottom plate, and the sliding rails are arranged at the front end and the rear end of the bottom plate. According to the bracket for the concrete shield segment, by pulling the first adjusting plate, the first adjusting plate drives the second adjusting plate to extend, and after the first adjusting plate is adjusted, a worker adjusts the supporting rod rotationally installed at the bottom of the second adjusting plate; according to the duct piece bracket, the first adjusting plate and the second adjusting plate are arranged, so that a limiting block at the bottom of a supporting rod is clamped into a limiting groove formed in the third adjusting plate, then a supporting frame on the second adjusting plate is rotated according to the radian of a duct piece, the supporting frame drives a supporting plate to incline, the duct piece can be well supported, and meanwhile the bearing capacity of the bracket is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to concrete mechanical equipment technical field, concretely is a kind of bracket for concrete shield segment. BACKGROUND

[0002] Shield segment is the main assembly component of shield construction, is the innermost layer barrier of tunnel, bears the action of resisting soil pressure, underground water pressure and some special load, shield segment is the permanent lining structure of shield method tunnel, and the quality of shield segment is directly related to the overall quality and safety of tunnel, influences the waterproof performance and durability of tunnel.

[0003] After concrete shield segment production forming, it is generally placed in specific area, when placing concrete shield segment, it is generally placed on square wood to make it place stable, to save space, generally layer by layer shield segment is stacked between layer and layer, and square wood is placed, to ensure the safe placement of shield segment, but this can only rely on the carrying capacity of square wood to bracket shield segment, and square wood is prone to damage after long time use, so poor carrying capacity condition can occur. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of bracket for concrete shield segment, to solve the problem that the concrete shield segment production forming mentioned in above background art is generally placed in specific area, when placing concrete shield segment, it is generally placed on square wood to make it place stable, to save space, generally layer by layer shield segment is stacked between layer and layer, and square wood is placed, to ensure the safe placement of shield segment, but this can only rely on the carrying capacity of square wood to bracket shield segment, and square wood is prone to damage after long time use, so poor carrying capacity condition can occur.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of bracket for concrete shield segment, including bottom plate, the bottom of the bottom plate is fixedly installed with four universal wheels, four The universal wheels are all in rectangular array at the bottom of bottom plate, the front and rear ends of the bottom plate are all oppositely provided with slide rail, the slide rail is provided with positioning frame, the bottom of the positioning frame is fixedly installed with sliding block, the sliding block is slidably installed in slide rail, the upper end of the positioning frame is provided with sliding slot, the upper surface of the bottom plate is fixedly installed with mounting bracket in middle position, two connection blocks are oppositely provided in the mounting bracket, two The both ends of the connection block are rotatably installed with mounting plate.

[0006] Using the above technical solution, the bracket body is moved by four universal casters installed at the bottom of the base plate, which facilitates the movement of the bracket when needed. The positioning frame is moved to both sides, and the slider installed at the bottom of the positioning frame moves the positioning frame left and right within the slide rail. This allows for better adjustment of the spacing between the positioning frames, making it easier to position tubes with different degrees of curvature. Then, the square timber on the tube is aligned with the slide groove opened on the positioning frame, so that the tube is placed on the bracket. When placing square timber between each layer, there is no need to adjust the position of the square timber; simply place the square timber into the slide groove in the positioning frame and put it down.

[0007] Preferably, a first adjusting plate is inserted into the mounting plate, and both the first adjusting plate and the mounting plate have adjusting holes. A second adjusting plate is fixedly installed on the first adjusting plate.

[0008] Using the above technical solution, the first adjusting plate inserted in the mounting plate can be stretched well. When it is necessary to fix the mounting plate and the first adjusting plate, the operator only needs to insert the bolt into the adjusting hole to fix it well.

[0009] Preferably, the upper end of the second adjusting plate is rotatably mounted with a support frame, a support plate is fixedly mounted on the support frame, and a shim is fixedly mounted on the support plate.

[0010] By adopting the above technical solution, the support frame on the second adjustment plate is rotated according to the degree of bending of the tunnel segment, thereby causing the support plate to tilt, which can better support the tunnel segment.

[0011] Preferably, the bottom of the second adjusting plate is rotatably mounted with a support rod, and a limit block is fixedly mounted at the bottom of the support rod.

[0012] Using the above technical solution, the support rod can effectively support the first adjusting plate and the mounting plate. Then, the limiting block installed at the bottom of the support rod can be engaged in the limiting groove to keep them stable.

[0013] Preferably, four third adjustment plates are fixedly installed on the upper surface of the base plate. The four third adjustment plates are arranged in a rectangular array on the upper surface of the base plate, and multiple limiting grooves arranged in a linear array are opened on the four third adjustment plates.

[0014] Using the above technical solution, the four third adjustment plates installed on the base plate can provide good support for the support rod, and the limiting grooves opened on the third adjustment plates can also be adjusted according to the bending degree of the pipe segment.

[0015] Preferably, the support plate supports a pipe piece, and the pipe piece is provided with square timbers at both ends.

[0016] By aligning the square timber on the pipe piece with the sliding slot in the positioning frame, the pipe piece is placed on the bracket, and when the square timber is placed between each layer, the position of the square timber does not need to be adjusted, and the square timber is simply placed in the sliding slot in the positioning frame.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The concrete shield pipe piece bracket, by pulling the first adjusting plate to drive the second adjusting plate to extend, then adjusting the support rod rotatably installed at the bottom of the second adjusting plate after the first adjusting plate is adjusted, so that the limiting block at the bottom of the support rod is clamped into the limiting slot in the third adjusting plate, and then the support frame on the second adjusting plate is rotated according to the curvature of the pipe piece, so that the support plate is inclined, thereby better supporting the pipe piece and increasing the carrying capacity of the bracket.

[0019] 2. The concrete shield pipe piece bracket, by moving the positioning frame to the two sides, so that the sliding block installed at the bottom of the positioning frame drives the positioning frame to move left and right in the sliding rail, so that the distance between the positioning frames can be better adjusted, thereby facilitating the positioning of pipe pieces with different bending degrees. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic view of the concrete shield pipe piece bracket of the utility model;

[0021] Figure 2 It is a top view structure schematic view of the concrete shield pipe piece bracket of the utility model;

[0022] Figure 3 It is a front view structure schematic view of the concrete shield pipe piece bracket of the utility model;

[0023] Figure 4 It is a schematic view of the connecting block and its related structure of the utility model;

[0024] Figure 5 It is a schematic view of the positioning frame and its related structure of the utility model.

[0025] In the figure: 1, bottom plate; 2, universal wheel; 3, slide rail; 4, positioning frame; 5, sliding block; 6, sliding groove; 7, mounting frame; 8, connecting block; 9, mounting plate; 10, first adjusting plate; 11, adjusting hole; 12, second adjusting plate; 13, support frame; 14, support plate; 15, gasket; 16, support rod; 17, limiting block; 18, third adjusting plate; 19, limiting groove; 20, pipe piece; 21, square wood. DETAILED DESCRIPTION

[0026] 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.

[0027] Embodiment 1

[0028] Please refer to Figs. 1-5, a bracket for concrete shield pipe piece, the bottom of the bottom plate 1 is fixedly installed with four universal wheels 2, four universal wheels 2 are arranged in a rectangular array at the bottom of the bottom plate 1, the upper surface of the bottom plate 1 is fixedly installed with a mounting frame 7 at the middle position, two connecting blocks 8 are oppositely arranged in the mounting frame 7, mounting plates 9 are rotatably installed at both ends of the two connecting blocks 8, first adjusting plates 10 are inserted in the mounting plates 9, adjusting holes 11 are formed in the first adjusting plates 10 and the mounting plates 9, second adjusting plates 12 are fixedly installed on the first adjusting plates 10, support frames 13 are rotatably installed at the upper end of the second adjusting plates 12, support plates 14 are fixedly installed on the support frames 13, gaskets 15 are fixedly installed on the support plates 14, support rods 16 are rotatably installed at the bottom of the second adjusting plates 12, limiting blocks 17 are fixedly installed at the bottom of the support rods 16, four third adjusting plates 18 are fixedly installed on the upper end surface of the bottom plate 1, four third adjusting plates 18 are arranged in a rectangular array on the upper surface of the bottom plate 1, and multiple linearly arranged limiting grooves 19 are formed in the four third adjusting plates 18.

[0029] Working principle: the staff can move the bracket body through the four universal wheels 2 installed at the bottom of the base plate 1, so as to better drive the bracket to move when needed, then when the pipe piece 20 needs to be bracketed, the staff can first adjust the mounting plate 9 rotatably installed on both sides of the connecting block 8 according to the bending degree of the pipe piece 20, then the staff can pull the first adjusting plate to make the first adjusting plate 10 drive the second adjusting plate to extend, then when the position of the first adjusting plate is adjusted, the staff inserts the bolt into the adjusting hole 11, so that the first adjusting plate 10 and the mounting plate 9 are fixed, then when the first adjusting plate 10 is adjusted, the staff adjusts the support rod 16 rotatably installed at the bottom of the second adjusting plate 12, so that the limiting block 17 at the bottom of the support rod 16 is clamped into the limiting groove 19 on the third adjusting plate 18, so that the second adjusting plate 12 and the mounting plate 9 are limited, and the carrying capacity of the bracket can be better enhanced, then the support frame 13 on the second adjusting plate 12 is rotated according to the bending degree of the pipe piece 20, so as to drive the support plate 14 to tilt, so as to better support the pipe piece 20 and increase the carrying capacity of the bracket.

[0030] Embodiment 2:

[0031] Please refer to Figs. 1-5, a kind of concrete shield pipe piece bracket, the front and rear ends of the base plate 1 are oppositely provided with slide rails 3, the slide rails 3 are provided with positioning frames 4, the bottom of the positioning frame 4 is fixedly installed with sliding blocks 5, the sliding blocks 5 are slidingly installed in the slide rails 3, the upper end of the positioning frame 4 is provided with a slide groove 6, the pipe piece 20 is supported on the support plate 14, and the pipe piece 20 is provided with square timbers 21 at both ends.

[0032] Working principle: the staff can move the positioning frame 4 to the two sides, so as to make the sliding block 5 installed at the bottom of the positioning frame 4 drive the positioning frame 4 to move left and right in the slide rail 3, so as to better adjust the distance between the positioning frames 4, so as to position the pipe piece 20 with different bending degrees, then when the distance between the positioning frames 4 is adjusted, the staff can align the square timber 21 on the pipe piece 20 to the slide groove 6 on the positioning frame 4, so as to place the pipe piece 20 on the bracket, and when placing the square timber 21 between each layer, the position of the square timber 21 does not need to be adjusted, only need to be placed in the slide groove 6 in the positioning frame 4 and then placed.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bracket for concrete shield tunnel segments, comprising a base plate (1), characterized in that: Four casters (2) are fixedly installed at the bottom of the base plate (1). The four casters (2) are arranged in a rectangular array at the bottom of the base plate (1). Slide rails (3) are opened opposite to each other at both ends of the base plate (1). A positioning frame (4) is provided in the slide rail (3). A slider (5) is fixedly installed at the bottom of the positioning frame (4). The slider (5) is slidably installed in the slide rail (3). A groove (6) is opened at the upper end of the positioning frame (4). A mounting frame (7) is fixedly installed at the middle position of the upper surface of the base plate (1). Two connecting blocks (8) are arranged opposite to each other in the mounting frame (7). Mounting plates (9) are rotatably installed at both ends of the two connecting blocks (8).

2. A bracket for concrete shield tunnel segments according to claim 1, characterized in that: A first adjustment plate (10) is inserted into the mounting plate (9). Both the first adjustment plate (10) and the mounting plate (9) have adjustment holes (11). A second adjustment plate (12) is fixedly installed on the first adjustment plate (10).

3. A bracket for concrete shield tunnel segments according to claim 2, characterized in that: The upper end of the second adjusting plate (12) is rotatably mounted with a support frame (13), a support plate (14) is fixedly mounted on the support frame (13), and a gasket (15) is fixedly mounted on the support plate (14).

4. A bracket for concrete shield tunnel segments according to claim 2, characterized in that: The bottom of the second adjusting plate (12) is rotatably mounted with a support rod (16), and a limit block (17) is fixedly mounted on the bottom of the support rod (16).

5. A bracket for concrete shield tunnel segments according to claim 1, characterized in that: Four third adjustment plates (18) are fixedly installed on the upper surface of the base plate (1). The four third adjustment plates (18) are arranged in a rectangular array on the upper surface of the base plate (1). Multiple limiting grooves (19) arranged in a linear array are opened on the four third adjustment plates (18).

6. A bracket for concrete shield tunnel segments according to claim 3, characterized in that: The support plate (14) supports the pipe segment (20), and square timber (21) is provided at both ends of the pipe segment (20).