CN203034375U - Transversely movable rear leg of 900-ton bridge erecting machine - Google Patents
Transversely movable rear leg of 900-ton bridge erecting machine Download PDFInfo
- Publication number
- CN203034375U CN203034375U CN 201220717079 CN201220717079U CN203034375U CN 203034375 U CN203034375 U CN 203034375U CN 201220717079 CN201220717079 CN 201220717079 CN 201220717079 U CN201220717079 U CN 201220717079U CN 203034375 U CN203034375 U CN 203034375U
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- pair
- grabbing
- traversing
- girders
- rear leg
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Abstract
A transversely movable rear leg of a 900-ton bridge erecting machine comprises an upper integral body and a pair of transversely moving girders. The upper integral body comprises an upper cross girder, a pair of upper curved girders and a pair of lower curved girders, the pair of upper curved girders and the pair of lower curved girders are arranged on two sides of the upper cross girder, tops of the pair of transversely moving girders are horizontal, running trolleys are arranged at bottoms of the pair of transversely moving girders, and the transversely moving girders are symmetrically arranged below the pair of lower curved girders; and lower curved girder supports are respectively fixed to outer side surfaces of the pair of lower curved girders, a transverse and horizontal reversely grabbing track is fixedly arranged at the bottom of each lower curved girder support, the transversely moving girder is fixedly provided with three pairs of reversely grabbing wheels along the reversely grabbing tracks, and the reversely grabbing wheels are reversely fastened on the reversely grabbing tracks. The transversely movable rear leg has the advantages that a rear leg of the 900-ton box-girder bridge erecting machine is modified, and can transversely move, and at least two reversely grabbing wheels on each side of the rear leg can be fastened on the transversely moving girder at any time when the rear leg transversely move; the rear leg is modified on the basis of an original bridge erecting machine facility, existing resources are reasonably utilized, and the rear leg and an integral structure of the bridge erecting machine are matched with each other, so that the bridge erecting machine can be stably and transversely moved at low investment.
Description
Technical field
The utility model relates to bridgework machinery, is that a kind of high ferro railway bridge sets up in the engineering specifically, in the bridge span erecting machine of 900 tons of case beams and 450 tons of twin beams dual-purposes can traversing 900 tons of bridge formation machine rear support legs.
Background technology
Growing along with economy, China has experienced the climax of a high speed railway construction, and each unit in charge of construction has also purchased a large amount of bridge transportation rack devices.Next step will enter China southwest, mountain area, south China, limited by orographic condition, and often the tunnel is many for these regional railway tracks, and sweep is little, beam type complexity, and existing bridge transportation rack device can not satisfy the bridge erection requirement under the new operating mode usually.For taking full advantage of existing equipments resources, reduce engineering cost, high-quality, these regional case beams fortune framves of high efficiency realization are inevitable to the transformation of existing transportation rack device.Existing bridge span erecting machine is applicable to setting up of the straight bridge of simple single width, needs vertically to lay the rotary head again that finishes for several face bridge floors always and carries out setting up of next horizontal breadth, and time and effort consuming and efficient are very low.
Setting up of twin beams can be adopted three kinds of method for traversing usually, and namely trolley is traversing, complete machine is traversing and pier pushes up traversing beam, when determining to transform overall technological scheme, considered the feasibility of above-mentioned three kinds of schemes respectively.Because the girder spacing is narrower, the traversing beam of trolley is not enough, and change girder spacing must redesign, process three supporting legs, and the retrofit work amount is too big, and influences complete machine and cross tunnelling function, so the traversing scheme of trolley is unworkable.As adopt pier to push up traversing beam technology, and then the bridge formation machine need not big change, but needs to increase the traversing boom device of a cover, and need move the Liangping platform other the setting up of each bridge pier, and labor strength is big, the construction cost height, and safety is difficult to guarantee inefficiency.Through scheme comparison, final definite traversing technical scheme of complete machine that adopts.Realize that complete machine is traversing and must be transformed three supporting legs of former bridge formation machine, set up Traverse Displacement Unit respectively.The utility model solves the rear support leg transformation in the traversing transformation of bridge formation machine complete machine.Make rear support leg can cooperate the traversing needs that set up of complete machine.
Summary of the invention
Technical problem to be solved in the utility model provide a kind of can traversing 900 tons of bridge formation machine rear support legs, make this rear support leg can cooperate the transformation of whole bridge formation machine to finish high efficiency twin beams and set up.
Described can traversing 900 tons of bridge formation machine rear support legs, each a pair of upper and lower curved beam that comprises top rail and both sides, it is characterized in that: a pair of upper and lower curved beam of each of described top rail and both sides is fixedly connected as the top integral body of rear support leg, the traversing beam that also comprises a pair of end face level, described a pair of traversing beam bottom is provided with the traveling dolly of vertically walking at the vertical shift track of case back portion, and described traversing beam is symmetrically placed under a pair of curved beam down; The lateral surface of described a pair of curved beam down each fixedly have following curved beam to support, the bottom surface that described curved beam down supports is fixed with the anti-track of grabbing of transverse horizontal, and the described anti-track of grabbing is corresponding with described traversing beam position, described traversing beam is fixed with three pairs of anti-wheels of grabbing along the anti-track of grabbing, the described anti-wheel left-hand thread of grabbing is described counter grabbing on the track, and described counter grabbing is provided with between track and the traversing beam for the whole backing plate that laterally slides in top.
The polytetrafluoroethylene (PTFE) material that described backing plate for the benefit of slides.
Described a pair of curved beam down supports and is equipped with the pin-and-hole of being convenient to be connected traversing hydraulic cylinder two ends with a pair of traversing beam.Described top integral body is carried out the installation of hydraulic cylinder when needed by traversing hydraulic cylinder, and laterally moves, and engineering finishes and horizontal stroke can be dismantled with hydraulic cylinder.
The utility model is transformed the rear support leg of 900 tons of box beam bridge formation machineries, and rear support leg can laterally be moved, and when traversing, can guarantee whenever all to have at least two anti-wheels of grabbing of every side to be buckled on the traversing beam.
The utility model is transformed on the basis of original bridge formation machine facility, rationally utilizes existing resource, cooperates bridge formation machine complete machine structure to realize the steadily traversing of bridge formation machine with less input.Rear support leg transformation described in the utility model makes rear support leg cooperate other supporting leg, suspender to realize the whole traversing of bridge formation machine under the unified oil cylinder of controlling of bridge formation machine promotes, and significantly improves the efficient that several faces are built bridge and constructed.The utility model sets up in the engineering applicable to the high ferro railway bridge, the bridge span erecting machine of 900 tons of case beams and 450 tons of twin beams dual-purposes.
Description of drawings
Fig. 1 is the utility model structural representation,
Fig. 2 be among Fig. 1 traversing beam coupling part A to view
Fig. 3 is the enlarged drawing of Fig. 2.
Among the figure: 1-following curved beam supports the 2-anti-wheel of grabbing, the 3-anti-track of grabbing, 4-traversing beam, 5-traveling dolly, 6-vertical shift track, 7-case beam, 8-backing plate, 9-following curved beam.
The specific embodiment
The present invention is further described below in conjunction with accompanying drawing: as shown in Fig. 1,2,3, can traversing 900 tons of bridge formation machine rear support legs, each a pair of upper and lower curved beam that comprises top rail and both sides, the a pair of upper and lower curved beam of each of described top rail and both sides is fixedly connected as the top integral body of rear support leg, the traversing beam 4 that also comprises a pair of end face level, described a pair of traversing beam 4 bottoms are provided with the traveling dolly 5 of vertically walking at the vertical shift track 6 at case beam 7 tops, and described traversing beam 4 is symmetrically placed under a pair of curved beam 9 down; The lateral surface of described a pair of curved beam 9 down each fixedly have following curved beam to support 1, the bottom surface of described curved beam down support 1 is fixed with the anti-track 3 of grabbing of transverse horizontal, and the described anti-track 3 of grabbing is corresponding with described traversing beam 4 positions, described traversing beam 4 is fixed with three pairs of anti-wheels 2 of grabbing along the anti-track 3 of grabbing, described anti-wheel 2 left-hand threads of grabbing are described counter grabbing on the track 3, and described counter grabbing is provided with between track 3 and the traversing beam for the whole backing plate 8 that laterally slides in top.
The polytetrafluoroethylene (PTFE) material that described backing plate 8 for the benefit of slides.Make the rear support leg can smooth sliding.When traversing, described top integral body is laterally slided on anti-backing plate 8 of grabbing track 3 bottoms, and the simultaneously anti-wheel 2 of grabbing laterally rolls counter grabbing on the track 3.
Described a pair of down curved beam supports 1 and is equipped with the pin-and-hole of being convenient to be connected traversing hydraulic cylinder two ends with a pair of traversing beam 4.In the construction that needs laterally move, traversing hydraulic cylinder is installed temporarily, engineering finishes and can pull down traversing hydraulic cylinder.Described traversing hydraulic cylinder is the part of the whole hydraulic system of bridge formation machine.The control of traversing hydraulic cylinder need not other control device, controls each supporting leg hydraulic test synchronization action by the ratio oil mass numerical control device of bridge formation machine integral body, realizes the whole traversing of bridge formation machine.The scope that the utility model is protected only refers to the feature on the structure of modification.
Improved rear support leg still adopts double track operation, gauge 8.1m.Rear support leg was with the offset track center when complete machine was traversing, when feeding beam, must guarantee original feeding beam space again, therefore when transforming, adopted glide path-anti-wheel scheme of grabbing, the slippage beam is set below rear support leg, take turns the anti-track of grabbing of catching the rear support leg side 3 counter grabbing that the slippage beam is installed, when traversing, three anti-wheels of grabbing have two to be positioned at the anti-track scope of grabbing all the time, keep the balance of rear support leg jointly with the traversing slideway of supporting leg below.
Claims (3)
- One kind can traversing 900 tons of bridge formation machine rear support legs, each a pair of upper and lower curved beam that comprises top rail and both sides, it is characterized in that: a pair of upper and lower curved beam of each of described top rail and both sides is fixedly connected as the top integral body of rear support leg, the traversing beam (4) that also comprises a pair of end face level, described a pair of traversing beam (4) bottom is provided with the traveling dolly (5) of vertically walking at the vertical shift track (6) at case beam (7) top, and described traversing beam (4) is symmetrically placed under a pair of curved beam (9) down; The lateral surface of described a pair of curved beam (9) down each fixedly have following curved beam to support (1), the bottom surface that described curved beam down supports (1) is fixed with the anti-track (3) of grabbing of transverse horizontal, and the described anti-track (3) of grabbing is corresponding with described traversing beam (4) position, described traversing beam (4) is fixed with three pairs of anti-wheels (2) of grabbing along the anti-track (3) of grabbing, described anti-wheel (2) left-hand thread of grabbing is described counter grabbing on the track (3), and described counter grabbing is provided with between track (3) and the traversing beam for the whole backing plate (8) that laterally slides in top.
- 2. according to claim 1 can traversing 900 tons of bridge formation machine rear support legs, it is characterized in that: the polytetrafluoroethylene (PTFE) material that described backing plate (8) for the benefit of slides.
- 3. according to claim 1 can traversing 900 tons of bridge formation machine rear support legs, it is characterized in that: described a pair of curved beam down supports (1) and is equipped with the pin-and-hole of being convenient to be connected traversing hydraulic cylinder two ends with a pair of traversing beam (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220717079 CN203034375U (en) | 2012-12-21 | 2012-12-21 | Transversely movable rear leg of 900-ton bridge erecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220717079 CN203034375U (en) | 2012-12-21 | 2012-12-21 | Transversely movable rear leg of 900-ton bridge erecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203034375U true CN203034375U (en) | 2013-07-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220717079 Expired - Fee Related CN203034375U (en) | 2012-12-21 | 2012-12-21 | Transversely movable rear leg of 900-ton bridge erecting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203034375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049295A (en) * | 2016-05-26 | 2016-10-26 | 石家庄铁道大学 | Carrying mechanism used in movable formwork hole passing process |
| CN106192773A (en) * | 2016-08-25 | 2016-12-07 | 中铁工程机械研究设计院有限公司 | The floating type rear support leg of heavy grade box beam bridge formation machine |
-
2012
- 2012-12-21 CN CN 201220717079 patent/CN203034375U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049295A (en) * | 2016-05-26 | 2016-10-26 | 石家庄铁道大学 | Carrying mechanism used in movable formwork hole passing process |
| CN106192773A (en) * | 2016-08-25 | 2016-12-07 | 中铁工程机械研究设计院有限公司 | The floating type rear support leg of heavy grade box beam bridge formation machine |
| CN106192773B (en) * | 2016-08-25 | 2017-12-12 | 中铁工程机械研究设计院有限公司 | The floating type rear support leg of heavy grade box beam bridge formation machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20211221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |