CN201058968Y

CN201058968Y - Electric track type sliding beam apparatus for erection of railway bridge

Info

Publication number: CN201058968Y
Application number: CNU200720032114XU
Authority: CN
Inventors: 马武; 黄建新; 薛吉宁; 卢保军; 张聪; 曹德志
Original assignee: Xinyun Engineering Co Ltd of China Railway First Engineering Group Co Ltd
Current assignee: China Railway Group Ltd CREC; Xinyun Engineering Co Ltd of China Railway First Engineering Group Co Ltd
Priority date: 2007-06-26
Filing date: 2007-06-26
Publication date: 2008-05-14
Anticipated expiration: 2017-06-26

Abstract

A single-laying double-erecting proposal is adopted in double track bridge erecting construction, however, all of the prior bridge equipment can not realize once-for-all erection of a bridge. The utility model discloses a railroad bridge erecting electric track type slip beam device which adopts the following technical proposal: three steel rails of different length are combined into a slipway which is arranged on a support pad stone in the transverse direction of a bridge pier; railway sleepers or tie plates are arranged on the bridge pier arranged under the steel rails; a rough-shaped steel plate with the inside glued with a sliding plate is buckled up on the steel rails; an electric block is fixed on the bridge pier; one end of a wire rope is hung on a bridge, while the other end is hung on the reverse chain of the electric block to ensure that the height of the bridge is lower than a support. The utility model increases the contact area between the bridge and the slipway and lowers the lifting height of a jack to increase the safety and stability of beam erection; therefore, the utility model not only ensures the smoothness of a sliding beam, but also saves manpower to reduce labor intensity and effectively quicken the speed of beam erection; moreover, the utility model ensures safety and increases economic benefit, thereby having extensive popularizing and application potential.

Description

Railroad bridge sets up electric track formula slippage boom device

Technical field

The utility model relates to a kind of railroad bridge and sets up implement, specifically is a kind of electric track formula slippage boom device that railroad bridge sets up that is used for, and belongs to railway construction machine.

Background technology

In double track bridge roof beam structure facility worker, in order to accelerate to spread the frame progress, take the two frame schemes in single shop to construct, present bridging equipment all can't make bridge once set up for adjacent line and put in place, must take the artificial laterally method of slippage beam to carry out in place.Traditional slippage beam equipment is that three pairs of square steel that are uneven in length are placed on the bearing pad stone of bridge pier or abutment as slideway, and on square steel, vertically place round steel as rolling bar, then bridge pad is dropped on the round steel, bottle gouard moved by hands one end is hung on the bridge, one end hangs on bridge pier or the abutment and slides beam, there are many potential safety hazards like this, to prop up to be located on the round steel rolling bar and slide beam, the one, unstable, the height when having increased sliding beam, the center of gravity of beam is raise, the contact area of bearing and round steel is little, the stability of the sliding beam of influence, and the 2nd, operation is loaded down with trivial details, need ceaselessly switch round steel, operating efficiency is low.Simultaneously, use bottle gouard moved by hands manually to move beam, sliding velocity is slow and inhomogeneous, and labour intensity is big, needs the artificial member of construction many, and united and coordinating is poor.So there are many deficiencies in the slippage beam equipment that adopts at present, can not satisfy high speed, economy and security needs that railroad bridge sets up.

The utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of easy electric track formula slippage boom device that laterally slides onto design attitude when railroad bridge sets up that is applicable to is provided.

The technical solution of the utility model is:

With the some one steel rail joint bars that are uneven in length, track bolt docks respectively with nut and links to each other, laterally be placed on the bearing pad stone along bridge pier or abutment, pad is put sleeper on bridge pier between per two bearing pad stones below the rail of gap or the abutment, on sleeper, place backing plate, at the inboard sliding panel of pasting of troughing plate, at the two ends, side and the middle part with dormant bolt troughing plate is fixedlyed connected with sliding panel and is detained respectively and be placed on the rail, end face at troughing plate is placed the buffer board that its width is identical with troughing plate with length, electric block is fixed on a side of bridge pier or abutment, latch is inserted in the bridge prestress rope preformed hole, wire rope one end cover hangs on the latch, and the hook of the other end and electric block is hung and connected.

The utility model can effectively solve the deficiency that traditional slippage beam equipment exists, and laterally slides onto the construction operation requirement of design attitude when being applicable to the two frame scheme bridge erection in railway list shop.

Description of drawings

Accompanying drawing 1 is a main TV structure schematic diagram of the present utility model.

Accompanying drawing 2 is left TV structure schematic diagrames of the present utility model.

Description of reference numerals is as follows:

Buffer board 1, troughing plate 2, sliding panel 3, joint bar 4, rail 5, dormant bolt 6, nut 7, track bolt 8, backing plate 9, sleeper 10, electric block 11, hook 12, wire rope 13, latch 14.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:

With three one steel rails, the 5 usefulness joint bars 4 that are uneven in length, track bolt 8 docks respectively with nut 7 and links to each other, laterally be placed on the bearing pad stone along bridge pier or abutment, rail 5 end faces need be planished, pad is put sleeper 10 on bridge pier between per two bearing pad stones below the rail 5 of gap or the abutment, on sleeper 10, place backing plate 9, at the troughing plate 2 inboard sliding panels 3 of pasting, at the two ends, side and the middle part with dormant bolt 6 troughing plate 2 is fixedlyed connected with sliding panel 3 and is detained respectively and be placed on the rail 5, place the identical buffer board 1 of its width and length and troughing plate 2 at the end face of troughing plate 2, electric block 11 is fixed on a side of bridge pier or abutment, latch 14 is inserted in the bridge prestress rope preformed hole, wire rope 13 1 end covers hang on the latch 14, hook 12 companies of extension of the other end and electric block 11.

Troughing plate 2 can be welded by three block plates, and sliding panel 3 can adopt polyfluortetraethylene plate, and buffer board 1 can adopt the hard plank.

During construction, the Liangping of employing fortune earlier wooden handcart is together transported to the building site with each parts of the utility model in company with bridge, with the hanger rail electric block each parts is hung to bridge pier or abutment then to begin assembling.At first three rail that are uneven in length are placed on the inner side of bridge pier or abutment bearing pad stone successively according to the distance of slippage beam from long to short, pier before and after requiring, the platform rail is vertical, lateral alignment, parallel placement, its spacing allowable variation ± 10mm, pad is put backing plate and sleeper below the rail of gap between two bearing pad stones of bridge, be used for supporting and the leveling rail, require whole rail slideway maintenance level, do not allow to occur the slope, the length of rail is according to the needs reasonable assembly of on-the-spot slippage beam, use joint bar then, screw bolt and nut couples together track bond, and bolt on, cleaning steel rail surface again, side and troughing plate slide device inboard, and coat butter or vaseline, the troughing plate button that inside is pasted with sliding panel is placed on the rail, on troughing plate, place buffer board, buffer board can adopt the hard plank, bridge stops the beam that falls when falling to apart from the about 200mm of buffer board, utilize earlier bridge span erecting machine traversing to fall on the buffer board again after buffer board aligns, then electric block is fixed on the bridge pier, on the platform, and connect power supply, latch is inserted in the bridge prestress rope preformed hole, one end cover of wire rope is hung on the latch, the hook of the other end and electric block is hung and is connected, after all work are ready, start electric block, the operation of beginning slippage beam, in the process of slippage, abutment correlates mutually before and after allowing, and jack work is synchronous, guarantees that bearing departs from the allowable error scope, so that adjust, stop with timber wedge after the bridge slippage puts in place, finish the operation of slippage beam, enter next working cycles.

The utility model is simple in structure, and is easy to operate, cheap.Slippage beam operation when adopting the utility model to carry out bridge erection, bring great convenience for the two horizontal slippages of bridge formation beam in single shop, to directly drop on the slide device at the bottom of the beam, make sliding depth of beam reduce the height of a bearing and a round steel than the sliding beam process of tradition, the height of C.G. of beam body when so not only having reduced sliding beam, also reduced the height that jack rises and falls, increased the contact area of beam body and slideway, safety that assurance is set a roof beam in place and stability, replace bottle gouard moved by hands with electric block, can guarantee the stationarity of sliding beam like this, can save manpower again, reduce labour intensity, can effectively accelerate the speed of setting a roof beam in place, guarantee safety, increase economic efficiency to have wide application value.

Claims

1. railroad bridge sets up electric track formula slippage boom device, formed by rail (5) and electric block (11), it is characterized in that some one steel rails (5) that will be uneven in length are with joint bar (4), track bolt (8) docks respectively with nut (7) and links to each other, laterally be placed on the bearing pad stone along bridge pier or abutment, pad is put sleeper (10) on bridge pier between per two bearing pad stones below the rail (5) of gap or the abutment, go up placement backing plate (9) at sleeper (10), at the inboard sliding panel (3) of pasting of troughing plate (2), at the two ends, side and the middle part use dormant bolt (6) that troughing plate (2) is fixedlyed connected with sliding panel (3) and detained respectively to be placed on the rail (5), end face at troughing plate (2) is placed the buffer board (1) that its width is identical with troughing plate (2) with length, electric block (11) is fixed on a side of bridge pier or abutment, latch (14) is inserted in the bridge prestress rope preformed hole, wire rope (13) one end covers hang on the latch (14), and the hook (12) of the other end and electric block (11) is hung and connected.

2. railroad bridge according to claim 1 sets up electric track formula slippage boom device, it is characterized in that troughing plate (2) can be welded by three block plates, and sliding panel (3) can adopt polyfluortetraethylene plate, and buffer board (1) can adopt the hard plank.