CN214527669U

CN214527669U - Bridge steel case roof beam hoisting structure

Info

Publication number: CN214527669U
Application number: CN202120782234.1U
Authority: CN
Inventors: 滕德鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-10-29
Anticipated expiration: 2031-04-16

Abstract

The utility model relates to a bridge steel case roof beam hoisting structure, including steel case roof beam body, davit, reference column, sleeve pipe, support arm, connecting rod and first jack, the sleeve pipe is installed in steel case roof beam body surface embedding, the inside all activity of cover is pegged graft there is the reference column, the reference column lower surface all is provided with the support arm, steel case roof beam body upper surface is provided with the davit of symmetric distribution, reference column symmetric distribution is in the davit both ends, two be provided with the connecting rod between the support arm, support arm upper surface welding has first fixed plate, the welding of reference column lower extreme has the second fixed plate, first jack has been seted up to reference column upper end symmetry, the second jack has been seted up to davit both ends inner wall symmetry. The utility model discloses a at reference column and support arm, can carry out effectual support to the steel case roof beam body for hoist and mount in-process is more steady, reduces the probability of occurence of failure.

Description

Bridge steel case roof beam hoisting structure

Technical Field

The utility model relates to a bridge construction technical field, concretely relates to bridge steel case roof beam hoisting structure.

Background

The steel box girder is also called steel plate box girder, and is a common structural form of a large-span bridge. The steel box girder is generally used on bridges with large span and is called as a steel box girder because the steel box girder is shaped like a box. With the rapid development of urban Jiatong construction, the application range of the steel box girder is wider. In the bridge construction process, the steel box girders are required to be spliced to form a bridge floor, so that hoisting equipment is required to hoist the steel box girders, and butt joint and folding are facilitated.

After massive search, the prior art is found, the publication number is CN203755174U, a bridge construction device is disclosed, and particularly a hoisting device for hoisting a steel box girder is provided. The lifting device comprises four lifting winches, a fixed pulley block, a movable pulley block and a steel wire rope, wherein the four lifting points at the front, the back, the left and the right of a steel box girder are respectively provided with a lifting ring, the lifting assembly comprises a lifting hook and an anchoring system, the lifting hook is of a C-shaped girder structure, a lifting truss is anchored at the front end of the girder, a shoulder pole lifting beam is anchored at the rear end of the lifting truss, a guide wheel is arranged on the shoulder pole lifting beam, and the lifting device further comprises a safety protection device and a safety standby device. The utility model discloses a hoisting accessory for hoisting of steel case roof beam simple structure, reasonable in design, construction cost is lower, construction installation, reliable, and the efficiency of construction is very fast, and construction cycle is shorter, consequently, is suitable for very much to popularize and implement.

In conclusion, in the hoisting process of the conventional steel box girder, due to the lack of a special hoisting structure, in the hoisting operation, a steel cable is used for surrounding the outer wall of the steel box girder or a hook is used for fixing the steel box girder, so that the steel box girder is hoisted.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bridge steel case roof beam hoisting structure has solved above technical problem.

The utility model provides a scheme as follows of above-mentioned technical problem: the utility model provides a bridge steel case roof beam hoisting structure, includes steel case roof beam body, davit, reference column, sleeve pipe, support arm, connecting rod and first jack, the sleeve pipe is installed in steel case roof beam body surface embedding, the inside all activity of cover is pegged graft and is had the reference column, the reference column lower surface all is provided with the support arm, steel case roof beam body upper surface is provided with the davit of symmetric distribution, reference column symmetric distribution is two at the davit both ends be provided with the connecting rod between the support arm, the welding of support arm upper surface has first fixed plate, the welding of reference column lower extreme has the second fixed plate, first jack has been seted up to reference column upper end symmetry, the second jack has been seted up to davit both ends inner wall symmetry.

The utility model has the advantages that: the utility model discloses in steel case roof beam body manufacture process, four corners department embedding at steel case roof beam body sets up the sleeve pipe, make the sleeve pipe arrange the four corners department of steel case roof beam body in, hoist the in-process to steel case roof beam body, can arrange steel case roof beam body lower surface in with the support arm, and peg graft in set intraduct with the reference column, be connected reference column and support arm, fix a position through the connecting rod between the support arm, be connected between davit and the reference column, cooperation steel cable pulling davit, can balance the lifting by crane to steel case roof beam body, the stress point is more dispersed and even, the stability of steel case roof beam body in hoist and mount in-process has effectively been ensured.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the sleeves are distributed at four corners of the upper surface of the steel box girder body in a rectangular array.

The beneficial effect of adopting the further scheme is that: the sleeve pipe is more even in the distribution position on steel box girder body surface for hoist and mount in-process atress is more even, has effectively ensured the steady of hoist and mount process.

Furthermore, traction rings are symmetrically welded on the upper surfaces of the two suspension arms.

The beneficial effect of adopting the further scheme is that: the traction ring can be connected with a steel cable, so that the lifting equipment can conveniently lift the suspension arm.

Furthermore, the welding of first fixed plate upper surface has the first bolt that is circular array distribution, first bolt upper end runs through the second fixed plate.

The beneficial effect of adopting the further scheme is that: the first bolt realizes flexible connection between the supporting arm and the positioning column, and is convenient to install and disassemble.

Furthermore, the connecting rod both ends all are pegged graft and are had the second bolt that is circular array and distributes, second bolt one end all rotates peg graft in inside support arm one end.

The beneficial effect of adopting the further scheme is that: the second bolt can be connected and fixed between the support arm, can avoid the support arm rotatory phenomenon to appear, and the guarantee support arm carries out the effect that effectively supports to steel box girder body lower surface.

Further, the upper surface of the supporting arm is attached to the lower surface of the steel box girder body.

The beneficial effect of adopting the further scheme is that: the support arm can support steel box girder body lower surface, ensures the stability of hoist and mount.

Furthermore, the first jack and the second jack are internally inserted with bolts.

The beneficial effect of adopting the further scheme is that: the bolt can be convenient for be connected between davit and the reference column, conveniently operates.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a main schematic sectional view of a bridge steel box girder hoisting structure provided by an embodiment of the present invention;

fig. 2 is a schematic view of the overhead distribution of the casing of the hoisting structure of the bridge steel box girder provided by the embodiment of the present invention;

fig. 3 is a main sectional view of a casing of a hoisting structure for a bridge steel box girder provided by an embodiment of the present invention;

fig. 4 is an enlarged schematic view of a structure a in a structure of a hoisting structure diagram 1 of a bridge steel box girder provided by an embodiment of the utility model;

fig. 5 is the embodiment of the utility model provides a B structure enlarged schematic diagram in bridge steel box girder hoist and mount structure chart 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a steel box girder body; 2. a suspension arm; 3. a traction ring; 4. a positioning column; 5. a sleeve; 6. a support arm; 7. a connecting rod; 8. a first fixing plate; 9. a bolt; 10. a second fixing plate; 11. a first bolt; 12. a second bolt; 13. a first jack; 14. a second receptacle.

Detailed Description

The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-4, the examples given are intended to illustrate the present invention and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in figures 1 to 5, the utility model provides a bridge steel box girder hoisting structure, which comprises a steel box girder body 1, a suspension arm 2, a positioning column 4, a sleeve 5, supporting arms 6, a connecting rod 7 and a first jack 13, wherein the sleeve 5 is embedded and installed on the surface of the steel box girder body 1, the sleeve 5 is embedded and installed at the four corners of the steel box girder body 1 in the manufacturing process of the steel box girder body 1, so that the sleeve 5 is arranged at the four corners of the steel box girder body 1, the positioning column 4 is movably inserted and connected inside the sleeve 5, the lower surface of the positioning column 4 is provided with the supporting arms 6, the suspension arm 2 is symmetrically arranged on the upper surface of the steel box girder body 1, the positioning columns 4 are symmetrically distributed at the two ends of the suspension arm 2, the connecting rod 7 is arranged between the two supporting arms 6, the first fixing plate 8 is welded on the upper surface of the supporting arm 6, the second fixing plate 10 is welded at the lower end of the positioning column 4, the first jack 13 is symmetrically arranged at the upper end of the positioning column 4, second jack 14 has been seted up to 2 both ends inner walls symmetries of davit, in hoisting process to steel box girder body 1, can arrange support arm 6 in 1 lower surface of steel box girder body, and peg graft inside sleeve pipe 5 reference column 4, be connected reference column 4 and support arm 6, fix a position through connecting rod 7 between the support arm 6, be connected between davit 2 and the reference column 4, cooperation steel cable pulling davit 2, can balance to hoist to steel box girder body 1, the stress point is more dispersed and even, steel box girder body 1's stability in hoisting process has effectively been ensured.

Preferably, sleeve 5 is rectangular array and distributes in 1 upper surface four corners department of steel box girder body, and sleeve 5 is more even in the distribution position on 1 surface of steel box girder body for hoist and mount in-process atress is more even, has effectively ensured the steady of hoist and mount process.

Preferably, traction rings 3 are symmetrically welded on the upper surfaces of the two suspension arms 2, and the traction rings 3 can be connected with a steel cable, so that the suspension arms 2 can be conveniently lifted by lifting equipment.

Preferably, 8 upper surface welding of first fixed plate has the first bolt 11 that is circular array and distributes, and second fixed plate 10 is run through to first bolt 11 upper end, and first bolt 11 has realized the nimble connection between support arm 6 and reference column 4, is convenient for install and dismantle.

Preferably, 7 both ends of connecting rod are all pegged graft and are had the second bolt 12 that circular array distributes, and second bolt 12 one end is all rotated and is pegged graft inside 6 one ends of support arm, and second bolt 12 can be connected and fixed between the support arm 6, can avoid support arm 6 rotatory phenomenon to appear, and guarantee support arm 6 carries out the effect that effectively supports to 1 lower surface of steel box girder body.

Preferably, 6 upper surfaces of support arm and the laminating of 1 lower surface of steel box girder body mutually, support arm 6 can support 1 lower surface of steel box girder body, ensures the stability of hoist and mount.

Preferably, the bolts 9 are inserted into the first insertion holes 13 and the second insertion holes 14, and the bolts 9 can facilitate connection between the suspension arm 2 and the positioning column 4, so that operation is facilitated.

The utility model discloses a concrete theory of operation and application method do: in the manufacturing process of the steel box girder body 1, sleeves 5 are embedded at the four corners of the steel box girder body 1, so that the sleeves 5 are arranged at the four corners of the steel box girder body 1, in the process of hoisting the steel box girder body 1, the supporting arm 6 can be arranged on the lower surface of the steel box girder body 1, the positioning column 4 is inserted into the sleeve 5, the positioning column 4 is connected with the supporting arms 6, the supporting arms 6 are positioned through the connecting rod 7, the suspension arm 2 is connected with the positioning column 4, the suspension arm 2 is pulled by matching with a steel cable, the steel box girder body 1 can be hoisted in balance, stress points are more dispersed and uniform, the stability of the steel box girder body 1 in the hoisting process is effectively ensured, the steel box girder body 1 is prevented from being hoisted, the force application point positions of the steel cables are not uniform enough, so that the problem that the steel box girder body 1 is inclined in the hoisting process is caused, and the operation safety is guaranteed.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a bridge steel case roof beam hoisting structure which characterized in that: the steel box girder comprises a steel box girder body (1), suspension arms (2), positioning columns (4), sleeves (5), supporting arms (6), connecting rods (7) and first jacks (13), wherein the sleeves (5) are embedded in the surface of the steel box girder body (1), the positioning columns (4) are movably inserted in the sleeves (5), the supporting arms (6) are arranged on the lower surfaces of the positioning columns (4), the suspension arms (2) are symmetrically distributed on the upper surface of the steel box girder body (1), the positioning columns (4) are symmetrically distributed at two ends of the suspension arms (2), the connecting rods (7) are arranged between the two supporting arms (6), first fixing plates (8) are welded on the upper surfaces of the supporting arms (6), second fixing plates (10) are welded at the lower ends of the positioning columns (4), and the first jacks (13) are symmetrically arranged at the upper ends of the positioning columns (4), and second jacks (14) are symmetrically formed in the inner walls of the two ends of the suspension arm (2).

2. The hoisting structure for the bridge steel box girder of claim 1, wherein: the sleeves (5) are distributed at four corners of the upper surface of the steel box girder body (1) in a rectangular array.

3. The hoisting structure for the bridge steel box girder of claim 1, wherein: traction rings (3) are symmetrically welded on the upper surfaces of the two suspension arms (2).

4. The hoisting structure for the bridge steel box girder of claim 1, wherein: the upper surface welding of first fixed plate (8) has first bolt (11) that are circular array and distribute, first bolt (11) upper end runs through second fixed plate (10).

5. The hoisting structure for the bridge steel box girder of claim 1, wherein: the two ends of the connecting rod (7) are respectively spliced with a second bolt (12) which is distributed in a circular array, and one end of each second bolt (12) is rotatably spliced in one end of the supporting arm (6).

6. The hoisting structure for the bridge steel box girder of claim 1, wherein: the upper surface of the supporting arm (6) is attached to the lower surface of the steel box girder body (1).

7. The hoisting structure for the bridge steel box girder of claim 1, wherein: the first jack (13) and the second jack (14) are internally inserted with bolts (9).