CN219280502U

CN219280502U - Auxiliary bracket system for installing arch rib of arch bridge

Info

Publication number: CN219280502U
Application number: CN202320101711.2U
Authority: CN
Inventors: 陆鑫; 张宏伟; 申帅帅; 刘续峰; 宋琦; 王言林; 边阔阔; 李长龙; 顾杰; 刘志远
Original assignee: China Construction Second Bureau Installation Engineering Co Ltd
Current assignee: China Construction Second Bureau Installation Engineering Co Ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-06-30
Anticipated expiration: 2033-02-02

Abstract

The utility model discloses an auxiliary bracket system for installing arch ribs of an arch bridge, which comprises a left bracket system arranged on the left side of the bridge deck of the arch bridge, a right bracket system arranged on the right side of the bridge deck of the arch bridge, and a top connecting frame system for connecting the left bracket system and the top of the right bracket system; the left side bracket system and the right side bracket system are symmetrically distributed and each comprises a plurality of brackets which are arranged at equal intervals; the bracket comprises a bracket body and a cantilever fixing frame arranged at the top of the bracket body; the top connecting frame system comprises a plurality of first connecting beams connected to the tops of any two adjacent brackets in the left bracket system or the right bracket system, and also comprises a plurality of second connecting beams connected with the left bracket system and the right bracket system. The system has sufficient rigidity, strength and stability, simple structure, safety and firmness and simplified construction process.

Description

Auxiliary bracket system for installing arch rib of arch bridge

Technical Field

The utility model relates to the technical field of bridge construction, in particular to an auxiliary bracket system for installing arch ribs of an arch bridge.

Background

When the arch rib segments are spliced, in consideration of construction requirements of arch rib installation precision, an operation surface for assembling and welding the arch ribs and the like, an auxiliary bracket is usually required to be used for supporting so as to bear the weight of the arch ribs, so that the auxiliary bracket is a key for ensuring that the arch ribs can work normally after being spliced, and on the basis of the situation, the bridge construction has higher requirements on the auxiliary bracket and needs to have enough rigidity, strength and stability.

The application number is CN 202123263138.5's steel case arch bridge arch rib welding operation auxiliary positioning support has been developed in auxiliary support technical field, including centre gripping respectively in the entablature, the entablature of arch rib upper and lower surface, entablature bottom surface, the entablature top surface is fixed with the side direction crossbeam respectively, entablature, the entablature, every side direction crossbeam is connected with the bracing piece respectively, the bracing piece runs through respectively and installs the ejector pin, the one end of every ejector pin is towards arch rib welding seam position respectively and be connected with spacing cardboard. The utility model can provide stable and reliable support for welding the arch rib, and effectively ensures the welding quality and the splicing precision of the arch rib.

Disclosure of Invention

The utility model aims to provide an auxiliary bracket system for installing arch ribs of an arch bridge, which has sufficient rigidity, strength and stability, simple structure, safety and firmness and simplified construction process.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an auxiliary bracket system for installing arch ribs of an arch bridge comprises a left bracket system fixedly arranged on the left side of the bridge deck of the arch bridge, a right bracket system fixedly arranged on the right side of the bridge deck of the arch bridge and a top connecting frame system for connecting the left bracket system and the top of the right bracket system;

the left side bracket system and the right side bracket system are symmetrically distributed and each comprises a plurality of brackets which are arranged at equal intervals;

the bracket comprises a bracket body and a cantilever fixing frame arranged at the top of the bracket body;

the top connecting frame system comprises a plurality of first connecting beams connected to the tops of any two adjacent brackets in the left bracket system or the right bracket system, and also comprises a plurality of second connecting beams connected with the left bracket system and the right bracket system.

Preferably, the distance between the left side bracket system and the right side bracket system is small in the middle and gradually increases towards both ends.

Preferably, the integral arrangement structure of the plurality of first connecting beams is arc-shaped and is matched with the shape of the arch rib.

Preferably, the left side bracket system and the right side bracket system are provided with the same number of brackets, the positions of the brackets at the two sides are corresponding, and the brackets at the two sides corresponding to each other are fixedly connected through two second connecting beams.

Preferably, the support body comprises three upright posts, a plurality of triangular frames fixedly connected between the three upright posts at intervals and a plurality of inclined supporting rods obliquely connected between the adjacent triangular frames, wherein the top surfaces of the triangular frames arranged on the top layer are flush with the top surfaces of the three upright posts.

Preferably, three diagonal braces are obliquely arranged between two adjacent triangular frames, and the diagonal braces and the corresponding edges of the two adjacent triangular frames form a Z-shaped structure.

Preferably, the tripod and the diagonal brace are made of round steel pipes.

Preferably, the cantilever fixing frame comprises a cantilever frame, a right-angle tripod and a jacking column which are vertically arranged on the cantilever frame, and at least two supporting frames which are obliquely supported between the cantilever frame and the bracket body, wherein a space for clamping and fixing arch ribs is arranged between one right-angle side of the right-angle tripod and the jacking column.

Preferably, the cantilever fixing frame of the left bracket system and the cantilever fixing frame of the right bracket system are arranged in opposite directions, and one end of the cantilever frame cantilever points to the middle of the bridge.

Preferably, the cantilever fixing frame is made of channel steel, I-steel or square steel.

The utility model provides an auxiliary bracket system matched with an arch rib to be used for clamping and fixing the arch rib when the arch rib is spliced; the bracket comprises three upright posts and a plurality of triangular frames, and the whole structure is stable and firm; the support is also internally provided with a plurality of diagonal braces, so that the strength is improved, and the whole structure is stable; the cantilever fixing frame is formed by matching a right-angle tripod and a top connecting column, is provided with a space for clamping and fixing the arch rib, and has simple structure; and channel steel, I-steel or square steel is selected as a material to manufacture the auxiliary bracket system, so that the rigidity of the whole structure is high.

Drawings

FIG. 1 is a schematic diagram of the overall application of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a front view of the present utility model;

FIG. 4 is a schematic top view of the present utility model;

FIG. 5 is a schematic view of a part of the structure of the present utility model.

In the figure: 1. a left side bracket system; 2. a right side bracket system; 3. a top connector system; 4. a bracket; 5. arch ribs; 30. a first connecting beam; 31. a second connection beam; 40. a bracket body; 41. cantilever fixing frame; 400. a column; 401. a tripod; 402. a diagonal brace; 410. cantilever mount; 411. a right-angle tripod; 412. a top connection column; 413. and (5) supporting frames.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, an auxiliary bracket system for installing arch ribs of an arch bridge comprises a left bracket system 1 fixedly arranged on the left side of the arch bridge deck, a right bracket system 2 fixedly arranged on the right side of the arch bridge deck and a top connecting frame system 3 for connecting the left bracket system 1 and the top of the right bracket system 2, wherein the left bracket system 1 and the right bracket system 2 are symmetrically distributed and respectively comprise a plurality of brackets 4 which are arranged at equal intervals, the distance between the left bracket system 1 and the right bracket system 2 is small in the middle and gradually increases towards two ends, the top connecting frame system 3 comprises a plurality of first connecting beams 30 fixedly connected to the tops of any two adjacent brackets 4 in the left bracket system 1 or the right bracket system 2, and also comprises a plurality of second connecting beams 31 fixedly connected with the tops of the left bracket system 1 and the right bracket system 2, and the whole arrangement structure of the plurality of first connecting beams 30 is in an arc shape and is matched with the shape of the ribs 5, and the first connecting beams 30 and the second connecting beams 31 are made of h-shaped steel or channel steel.

The left side support system 1 and the right side support system 2 are provided with the same quantity of supports 4, the positions of the supports 4 on the two sides are corresponding, the supports 4 on the two sides are fixedly connected through two second connecting beams 31, each support 4 comprises a support body 40 and a cantilever fixing frame 41 which is arranged at the top of the support body 40 through welding or through threaded connection, each support body 40 comprises three upright posts 400, a plurality of triangular frames 401 which are fixedly connected between the three upright posts 400 through welding intervals and a plurality of diagonal braces 402 which are connected between the adjacent triangular frames 401 through welding in an inclined mode, the top surfaces of the triangular frames 401 arranged on the top layer are flush with the top surfaces of the three upright posts 400, three diagonal braces 402 are arranged between the adjacent two triangular frames 401 through welding in an inclined mode, and the triangular frames 401 and the corresponding edges of the adjacent two triangular frames 401 form a Z-shaped structure, and each diagonal brace 402 is made of round steel pipes.

The cantilever fixing frame 41 comprises a cantilever frame 410, a right-angle tripod 411 and a jacking column 412 which are vertically arranged on the cantilever frame 410, and at least two supporting frames 413 which are obliquely supported between the cantilever frame 410 and the bracket body 40, wherein a space for clamping and fixing arch ribs 5 is arranged between one right-angle side of the right-angle tripod 411 and the jacking column 412, the cantilever fixing frames 41 of the left-side bracket system 1 and the cantilever fixing frames 41 of the right-side bracket system 2 are oppositely arranged, one end of the cantilever frame 410 points to the middle of a bridge, in the embodiment, the cantilever fixing frames 41 are made of channel steel, I-steel or square steel, and the supporting frames 413 are specifically two.

The above embodiments are only a few descriptions of the inventive concept and implementation, and are not limited thereto, and the technical solutions without substantial transformation remain within the scope of protection under the inventive concept.

Claims

1. An auxiliary bracket system for installing arch ribs of an arch bridge, which is characterized in that: the bridge comprises a left bracket system (1) fixedly arranged on the left side of an arch bridge deck, a right bracket system (2) fixedly arranged on the right side of the arch bridge deck and a top connecting frame system (3) for connecting the tops of the left bracket system (1) and the right bracket system (2);

the left side bracket system (1) and the right side bracket system (2) are symmetrically distributed and each comprises a plurality of brackets (4) which are arranged at equal intervals;

the bracket (4) comprises a bracket body (40) and a cantilever fixing frame (41) arranged at the top of the bracket body (40);

the top connecting frame system (3) comprises a plurality of first connecting beams (30) connected to the tops of any two adjacent brackets (4) in the left bracket system (1) or the right bracket system (2), and also comprises a plurality of second connecting beams (31) connected with the left bracket system (1) and the right bracket system (2).

2. An auxiliary bracket system for an arch bridge mounting rib as recited in claim 1, wherein: the distance between the left side bracket system (1) and the right side bracket system (2) is small in the middle and gradually increases towards the two ends.

3. An auxiliary bracket system for an arch bridge mounting rib as recited in claim 1, wherein: the integral arrangement structure of the plurality of first connecting beams (30) is arc-shaped and is matched with the shape of the arch rib (5).

4. An auxiliary bracket system for an arch bridge mounting rib as recited in claim 1, wherein: the left side support system (1) and the right side support system (2) are provided with the same number of supports (4), the positions of the supports (4) on two sides are corresponding, and the supports (4) on two sides corresponding to each other are fixedly connected through two second connecting beams (31).

5. An auxiliary bracket system for an arch bridge mounting rib as recited in claim 1, wherein: the support body (40) comprises three upright posts (400), a plurality of triangular supports (401) fixedly connected between the three upright posts (400) at intervals and a plurality of inclined supporting rods (402) obliquely connected between the adjacent triangular supports (401), wherein the top surfaces of the triangular supports (401) arranged on the top layer are flush with the top surfaces of the three upright posts (400).

6. An auxiliary bracket system for an arch bridge mounting rib as recited in claim 5, wherein: three diagonal braces (402) are obliquely arranged between two adjacent triangular frames (401), and the diagonal braces (402) and the corresponding sides of the two adjacent triangular frames (401) form a Z-shaped structure.

7. An auxiliary bracket system for an arch bridge mounting rib as recited in claim 6, wherein: the tripod (401) and the diagonal brace (402) are made of round steel tubes.

8. An auxiliary bracket system for an arch bridge mounting rib as recited in claim 1, wherein: the cantilever fixing frame (41) comprises a cantilever frame (410), a right-angle tripod (411) and a jacking column (412) which are vertically arranged on the cantilever frame (410), and at least two supporting frames (413) which are obliquely supported between the cantilever frame (410) and the support body (40), wherein a space for clamping and fixing the arch rib (5) is arranged between one right-angle side of the right-angle tripod (411) and the jacking column (412).

9. An auxiliary bracket system for an arch bridge mounting rib as recited in claim 8, wherein: the cantilever fixing frames (41) of the left side bracket system (1) and the cantilever fixing frames (41) of the right side bracket system (2) are arranged in opposite directions, and one end of a cantilever of the cantilever frame (410) points to the middle of the bridge.

10. An auxiliary bracket system for an arch bridge mounting rib according to claim 1 or 9, wherein: the cantilever fixing frame (41) is made of channel steel, I-steel or square steel.