CN213061657U

CN213061657U - Large-span cable-stayed steel trestle structure

Info

Publication number: CN213061657U
Application number: CN202021573377.3U
Authority: CN
Inventors: 杨彪; 张有军; 张林龙; 邢谦; 唐忠伟
Original assignee: CCCC SHEC Third Highway Engineering Co Ltd
Current assignee: CCCC SHEC Third Highway Engineering Co Ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-04-27
Anticipated expiration: 2030-08-03

Abstract

The utility model provides a large-span cable-stayed steel trestle structure, which comprises a bridge floor, two groups of steel pipe piles for supporting and a connecting system arranged between the steel pipe piles, wherein both ends of the length direction of the bridge floor are provided with a bridge abutment, the bridge floor is built on the bridge abutment, the steel pipe piles are symmetrically arranged along the length direction of the bridge floor, the connecting system is arranged between the steel pipe piles in the width direction of the bridge floor, an anchoring part and a cable are arranged on the bridge abutment, the center of the bottom of the bridge floor is provided with a lower bearing beam, two groups of vertical rods are vertically arranged above the bridge floor along the length direction, an upper bearing beam is arranged on the vertical rods, an upper cable steering mechanism is arranged above the upper bearing beam, a lower cable steering mechanism is arranged below the lower bearing beam, one end of the cable is connected with the anchoring part of one end of the bridge floor, and the other end of the cable, and then connected with the anchoring piece. The utility model discloses reduce the setting of steel-pipe pile, reduce the construction degree of difficulty, shorten construction cycle.

Description

Large-span cable-stayed steel trestle structure

Technical Field

The utility model belongs to the technical field of the landing stage construction, concretely relates to large-span cable-stayed steel landing stage structure.

Background

The steel pipe piles are generally adopted as foundations in the construction of the existing steel trestle, a steel girder framework is welded at the top of the steel pipe piles, transverse support rods and inclined support rods are welded among the steel pipe piles to form a stable steel pipe pile group foundation which is arranged in a matrix, and then a Bailey beam, a bridge deck template and the like are installed on the steel girder framework to build the steel trestle.

Disclosure of Invention

The utility model provides a large-span cable-stayed steel trestle structure, on guaranteeing the basis of steel trestle bulk strength, reduces the setting of steel-pipe pile, reduces the construction degree of difficulty, shortens construction cycle.

The technical scheme of the utility model is that: a large-span cable-stayed steel trestle structure comprises a bridge floor, two groups of steel pipe piles for supporting and a connecting system arranged between the steel pipe piles, wherein bridge abutments are arranged at two ends of the length direction of the bridge floor, the bridge floor is built on the bridge abutments, the steel pipe piles are symmetrically arranged along the length direction of the bridge floor, the connecting system is arranged between the steel pipe piles in the width direction of the bridge floor, anchoring parts and cables are arranged on the bridge abutments, a lower bearing beam is arranged at the center of the bottom of the bridge floor, two groups of vertical rods are vertically arranged above the bridge floor along the length direction, an upper bearing beam is arranged on the vertical rods, an upper cable steering mechanism is arranged above the upper bearing beam, a lower cable steering mechanism is arranged below the lower bearing beam, the anchoring parts at one end of the cables and one end of the bridge floor are fastened and connected, and the other end of the cables passes through the upper, and then is fixedly connected with the anchoring piece at the other end.

The scheme is further that the anchoring part comprises a base and an anchoring pipe, the base is fixed on the abutment, the anchoring pipe is a through hole formed in the base, and the inhaul cable is fixed in the anchoring pipe.

Further, the number of anchoring tubes on each of said anchors is at least two.

The scheme is further that two groups of upper bearing beams are arranged on the vertical rod in parallel along the height direction.

The scheme is further that the upper cable steering mechanism comprises two left cable steering mechanisms and two right cable steering mechanisms.

According to the scheme, the upper bearing beam and the lower bearing beam are arranged along the width direction of the bridge deck.

In the scheme, the upper cable steering mechanism and the lower cable steering mechanism are both fixed pulleys.

The scheme is further that the connecting system comprises an upper cross beam, a lower cross beam and two diagonal bracing beams arranged between the upper cross beam and the lower cross beam, wherein the diagonal bracing beams are arranged in a crossed manner.

The scheme is further that the two groups of vertical rods are symmetrically arranged along the center of the bridge deck.

The utility model has the advantages that: the utility model discloses utilize the fixed mode of cable, on the basis of guaranteeing steel landing stage bulk strength, reduced the setting of steel-pipe pile, reduced the construction degree of difficulty, shortened construction cycle, reduced construction cost.

Drawings

FIG. 1 is a schematic structural diagram of a large-span cable-stayed steel trestle structure of the present invention;

FIG. 2 is a schematic side view of a large-span cable-stayed steel trestle structure of the present invention;

FIG. 3 is a schematic view of an anchoring member of a large-span cable-stayed steel trestle structure of the present invention;

wherein: 1. the steel pipe pile comprises a bridge deck, 2, a steel pipe pile, 3, a bridge abutment, 4, an anchoring piece, 5, a lower stay cable steering mechanism, 6, a lower bearing beam, 7, a stay cable, 8, an upper bearing beam, 9, an upper stay cable steering mechanism, 10, a vertical rod, 11, a connecting system, 12, an anchoring pipe, 13 and a base.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.

The utility model discloses a concrete implementation mode is: as shown in fig. 1-3, a large-span cable-stayed steel trestle structure comprises a bridge floor 1, two sets of steel pipe piles 2 for supporting, and a connection system 11 arranged between the steel pipe piles 2, wherein two ends of the length direction of the bridge floor 1 are provided with bridge abutments 3, the bridge floor 1 is built on the bridge abutments 3, the steel pipe piles 2 are symmetrically arranged along the length direction of the bridge floor, the connection system 11 is arranged between the steel pipe piles in the width direction of the bridge floor, the bridge abutments 3 are provided with anchoring parts 4 and cables 7, the bottom center of the bridge floor 1 is provided with a lower bearing beam 6 along the width direction, two sets of upright posts 10 are vertically arranged above the bridge floor 1 along the length direction, the upright posts 10 are provided with upper bearing beams 8, the upper bearing beams 8 are provided with upper cable steering mechanisms, the lower bearing beams 6 are provided with lower cable steering mechanisms 5, one ends of the cables 7 are fastened and connected with the anchoring parts 4 at one ends of the, the other end passes through the upper cable steering mechanism 9, the lower cable steering mechanism 5 and the upper cable steering mechanism 9 and is fastened and connected with the anchoring piece 4 at the other end.

The utility model discloses further, anchor assembly 4 includes base 13, anchor pipe 12, base 13 is fixed on abutment 3, anchor pipe 12 is the through-hole of setting on base 13, cable 7 is fixed in anchor pipe 12.

The utility model discloses further, every the figure of the last anchor pipe 12 of anchor assembly 4 is two at least, can set up two sets of cable systems.

The utility model discloses further, along direction of height parallel arrangement two sets of spandrel girder 8 on pole setting 10.

The utility model discloses further, go up cable steering mechanism 9 and cable steering mechanism 5 are the fixed pulley down, change cable 7's direction.

The utility model discloses further, go up cable steering mechanism 9 and include two left cable steering mechanisms and two right cable steering mechanisms.

The utility model discloses further, connection is 11 includes entablature, bottom end rail, sets up two raking props roof beam between entablature and bottom end rail, raking prop roof beam cross arrangement further improves the intensity of whole steel landing stage.

While the preferred embodiments of the present invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention by those skilled in the art without departing from the technical solution of the present invention.

Claims

1. The utility model provides a large-span cable-stayed steel trestle structure, its characterized in that, includes the bridge floor, plays two sets of steel-pipe pile, the connection system of setting between the steel-pipe pile of supporting role, the length direction both ends of bridge floor are equipped with the abutment, and the bridge floor is built on the abutment, the steel-pipe pile sets up along bridge floor length direction symmetry, the connection system sets up between the steel-pipe pile on the bridge floor width direction, set up anchor assembly and cable on the abutment, bridge floor bottom center sets up the lower spandrel girder, the top of bridge floor is along the vertical two sets of pole settings that are equipped with of length direction, be equipped with the spandrel girder in the pole setting, the top of going up the spandrel girder is equipped with cable steering mechanism, the below of lower spandrel girder is equipped with cable steering mechanism, the anchor assembly fastening connection of cable one end and bridge floor one end, And the upper inhaul cable steering mechanism is fixedly connected with the anchoring piece at the other end.

2. The large-span cable-stayed steel trestle structure according to claim 1, wherein the anchoring member comprises a base and an anchoring pipe, the base is fixed on the abutment, the anchoring pipe is a through hole arranged on the base, and the stay cable is fixed in the anchoring pipe.

3. The large-span cable-stayed steel trestle structure according to claim 2, characterized in that the number of the anchoring pipes on each anchoring member is at least two.

4. The large-span cable-stayed steel trestle structure according to claim 3, wherein two groups of upper bearing beams are arranged on the vertical rods in parallel along the height direction.

5. The large-span cable-stayed steel trestle structure according to claim 4, wherein the upper cable steering mechanism comprises two left cable steering mechanisms and two right cable steering mechanisms.

6. The large-span cable-stayed steel trestle structure according to claim 5, wherein the upper bearing beam and the lower bearing beam are arranged along the width direction of the bridge deck.

7. The large-span cable-stayed steel trestle structure according to claim 6, wherein the upper cable steering mechanism and the lower cable steering mechanism are both fixed pulleys.

8. The structure of claim 7, wherein the connection system comprises an upper beam, a lower beam, and two diagonal beams disposed between the upper beam and the lower beam, and the diagonal beams are disposed in a cross manner.

9. The structure of claim 8, wherein the two sets of vertical rods are symmetrically arranged along the center of the bridge deck.