CN203559356U - Bridge girder erection machine - Google Patents
Bridge girder erection machine Download PDFInfo
- Publication number
- CN203559356U CN203559356U CN201320728022.0U CN201320728022U CN203559356U CN 203559356 U CN203559356 U CN 203559356U CN 201320728022 U CN201320728022 U CN 201320728022U CN 203559356 U CN203559356 U CN 203559356U
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- Prior art keywords
- column
- arm
- top rail
- bridge erector
- girder
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- Expired - Fee Related
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Abstract
The utility model discloses a bridge girder erection machine which comprises a girder and a rear supporting leg. The rear supporting leg comprises a saddle piece, an upper transverse beam, a lower transverse beam and stand columns, wherein the stand columns are hinged to the upper transverse beam, and the upper transverse beam is provided with a lifting device for lifting the stand columns and enabling the stand columns to be extended to the outer side of the rear supporting leg. Compared with the prior art, the bridge girder erection machine has the advantages that due to the fact that the lifting device is arranged on the rear supporting leg, the mode that the stand columns are folded to the inner side is changed into the mode that the stand columns are directly extended to the outer side, interference between the stand columns and a box girder can be completely avoided, connecting bolts of the upper transverse beam, the saddle piece and the girder are not required to be disassembled, the girder erection working efficiency is accordingly and greatly improved, and time and labor are saved.
Description
Technical field
The utility model relates to a kind of Bridge Erector.
Background technology
At present, setting up in railway bridge process, be first by fortune fine strain of millet car, to carry beam on the back to Bridge Erector place, then by Bridge Erector, concrete box girder is erected on predetermined bridge pier and is installed.For section, railway line railway terminal or other special location, it is the reserved section of building of another railway line, because many circuits are parallel, cross, operating mode complexity, wherein two railway lines have part section distance very near, having one may be when Article 1 railway line simply supported beam sets up, fortune fine strain of millet car is carried beam on the back must be from Article 2 railway line by the side of the Bridge Erector Article 1 railway line, as shown in Figure 1, the frange plate of fortune fine strain of millet car top box beam 1 and the rear support leg column 2 of Bridge Erector can interfere, but on bridge during operation, Beam transportation vehicle and Bridge Erector direction across bridge move and limited by case beam width, therefore rear supporting leg of bridge erecting machine column 2 must be dodged in some way, just can meet fortune fine strain of millet car carries beam on the back and passes through.As shown in Figures 2 and 3, when opening rear support leg column 2, first use bracket support crane ' s major girder 4 and saddle member 7, remove the connecting bolt at A, B, C, D tetra-positions, it is folding to girder that rear support leg top rail horizontally rotates 90 degree around the axle being connected with girder (C end), folding after, the rear support leg column of AB section still with Beam transportation vehicle on case beam 1 interfere, also need to recycle the power traction A end on Bridge Erector, column 2 is continued upwards folding around O axle.After Beam transportation vehicle camel beam passes through, inverse process installs the rear support leg operation of setting a roof beam in place.Therefore, transport a slice case beam 1, whole rear support leg need to be opened, waste time and energy, the operating efficiency that causes setting a roof beam in place is low.
Utility model content
The utility model provides a kind of Bridge Erector, and object is to improve the operating efficiency of setting a roof beam in place.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of Bridge Erector, comprise girder and rear support leg, rear support leg comprises saddle member, top rail, lower transverse beam and column, column and top rail are articulated and connected, and described top rail is provided with to be sling described column and towards the boom hoisting of rear support leg lateral expansion.
Described boom hoisting comprises arm, hoist engine, with the movable pulley of suspension hook be located at the directive wheel of arm end, arm and hoist engine are located on described top rail and arm stretches out towards the outside of top rail, lifting drag-line on hoist engine is walked around successively directive wheel and movable pulley and end and is fixed on arm, and described column is provided with hanger.
Described boom hoisting also comprises stay guy, and stay guy one end is fixed on described saddle member, and the other end is connected to the external part of described arm.
The lower hinge of described girder has support column, and described lower transverse beam is provided with at vertical direction and after launching, is the jacking cylinder of the support column aligned in position of vertical state.
Described support column is provided with the hanger for lifting by crane.
The utility model adopts technique scheme, compared with prior art, on this rear supporting leg of bridge erecting machine by boom hoisting is set, column is stretched laterally from becoming to the mode of folded inside directly, can avoid completely interfering with case beam, and do not need to dismantle the connecting bolt of top rail and saddle member, top rail and girder, thus greatly improved the operating efficiency of setting a roof beam in place, time saving and energy saving.
Accompanying drawing explanation
Fig. 1 is background technology raising middle flask beam and the rear supporting leg of bridge erecting machine structural representation while interfering;
Fig. 2 is the structural representation of rear supporting leg of bridge erecting machine in background technology;
Fig. 3 is the structure diagram of rear supporting leg of bridge erecting machine after folding in background technology;
Fig. 4 is the structural representation of the utility model Bridge Erector;
Fig. 5 is that the utility model rear supporting leg of bridge erecting machine column launches to be the structural representation after vertical state;
Fig. 6 is the structural representation after the bending expansion of the utility model rear supporting leg of bridge erecting machine column;
Fig. 7 is support column on the utility model Bridge Erector at the lateral view of packing up after folding;
Mark in above-mentioned figure is: 1, case beam; 2, column; 3, top rail; 4, girder; 5, support column; 6, lower transverse beam; 7, saddle member; 8, hoist engine; 9, arm; 10, directive wheel; 11, movable pulley; 12, lifting drag-line; 13, stay guy.
The specific embodiment
As shown in Figure 4, Figure 5, Figure 6 and Figure 7, a kind of Bridge Erector of the utility model, comprise girder 4 and the rear support leg being connected with girder 4, rear support leg comprises saddle member 7, top rail 3, lower transverse beam 6 and column 2, the upper end of column 2 and top rail 3 are rotationally connected by the twisted axis of arranged outside, top rail 3 is bolted to connection with saddle member 7, and the two ends of column 2 are fixedly connected with lower transverse beam 6 with top rail 3 by bolt respectively.The top rail 3 of this Bridge Erector is provided with to be sling column 2 and towards the boom hoisting of rear support leg lateral expansion, column 2 take with top rail 3 hinged places as center of rotation, the boom hoisting stretching, extension of column 2 can being sling outwardly, thus can avoid column 2 and case beam 1 to interfere.
Specifically, boom hoisting comprise arm 9, hoist engine 8, with the movable pulley 11 of suspension hook be located at the directive wheel 10 of arm 9 ends.Hoist engine 8 is arranged on the top of top rail 3, and external angle and arm 9 that arm 9 is arranged on top rail 3 stretch out towards the oblique upper in top rail 3 outsides, and directive wheel 10 is arranged on the external part of arm 9.Lifting drag-line 12 on hoist engine 8 is walked around directive wheel 10 and movable pulley 11 successively, and final end is fixed on arm 9.Position near lower end on column 2 is provided with a hanger, and available suspension hook catches on, convenient lifting.
Boom hoisting also comprises a stay guy 13, and one end of this stay guy 13 is fixedly connected on saddle member 7, and the other end is fixedly connected on the external part of arm 9, and stay guy 13 is held arm 9, to improve safety and reliability.
After column 2 launches, intensity for fear of whole Bridge Erector is affected, in the bottom of the girder 4 of Bridge Erector, be provided with a support column 5, this support column 5 is articulated and connected with girder 4, support column 5 can be around the upset of top twisted axis, and lower transverse beam 6 is provided with the jacking cylinder of support column 5 aligned in position at vertical direction and after launching.Launching, before column 2, first will to discharge support column 5, make support column 5 be vertical state, the upwards jacking of jacking cylinder of support column 5 belows, until prop up support column 5, jacking cylinder matches with support column 5, and Bridge Erector is played to support effect.In addition, support column 5 is provided with the hanger for lifting by crane, when needs are packed up support column 5 (Beam transportation vehicle fortune beam puts in place, gives before Bridge Erector feeding beam), be by another the preset hoist engine on girder 4 by support column 5 pull-ups, be finally the level of state and be fixed on the below of girder 4.
Carrying out before the expansion of column 2, lower because of the seat in the plane of Bridge Erector own, column 2 is launching in rotary course, can with another circuit on beam face interfere, therefore will be by Bridge Erector integral raising, so that column 2 rotations are passed through.Bridge Erector integral raising is to complete by the oil cylinder on lower transverse beam 6, at complete machine, is raised to after predetermined altitude, need on bottom of frame pad, pad pier temporarily.
After the complete machine that completes Bridge Erector is raised, can carry out the expansion of column 2, the first step falls support column 5, and jacking cylinder withstands support column 5.Second step is held the lower end of column 2 temporarily with Chain block, remove the connecting bolt between column 2 and lower transverse beam 6 and top rail 3, now boom hoisting is not also worked, need to be by the velocity of rotation of Chain block control column 2, during operation, slowly unclamp Chain block, column 2 is rotated stably until reach vertical settling position.The 3rd step open boom hoisting, remove bottle gouard moved by hands, by boom hoisting by column 2 pull-ups to horizontal level.Column 2 launches completely, and fortune fine strain of millet car can be carried beam on the back and pass through.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (5)
1. a Bridge Erector, comprise girder and rear support leg, rear support leg comprises saddle member, top rail, lower transverse beam and column, and column and top rail are articulated and connected, and it is characterized in that: described top rail is provided with to be sling described column and towards the boom hoisting of rear support leg lateral expansion.
2. Bridge Erector according to claim 1, it is characterized in that: described boom hoisting comprises arm, hoist engine, with the movable pulley of suspension hook be located at the directive wheel of arm end, arm and hoist engine are located on described top rail and arm stretches out towards the outside of top rail, lifting drag-line on hoist engine is walked around successively directive wheel and movable pulley and end and is fixed on arm, and described column is provided with hanger.
3. Bridge Erector according to claim 2, is characterized in that: described boom hoisting also comprises stay guy, and stay guy one end is connected on described saddle member, and the other end is connected to the external part of described arm.
4. according to the Bridge Erector described in claim 1 or 2 or 3, it is characterized in that: the lower hinge of described girder has support column, described lower transverse beam is provided with the jacking cylinder of the support column aligned in position at vertical direction and after launching.
5. Bridge Erector according to claim 4, is characterized in that: described support column is provided with the hanger for lifting by crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728022.0U CN203559356U (en) | 2013-11-13 | 2013-11-13 | Bridge girder erection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728022.0U CN203559356U (en) | 2013-11-13 | 2013-11-13 | Bridge girder erection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203559356U true CN203559356U (en) | 2014-04-23 |
Family
ID=50509087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320728022.0U Expired - Fee Related CN203559356U (en) | 2013-11-13 | 2013-11-13 | Bridge girder erection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203559356U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631334A (en) * | 2014-12-23 | 2015-05-20 | 郑州新大方重工科技有限公司 | Novel middle supporting device of large-tonnage bridge girder erection machine |
| CN106638316A (en) * | 2016-11-25 | 2017-05-10 | 秦皇岛优益重工科技有限公司 | Construction process applied under condition that TLJ900 bridge girder erection machine passes through platforms frequently |
| CN107881921A (en) * | 2017-12-13 | 2018-04-06 | 中铁第五勘察设计院集团有限公司 | One kind is hidden formula beam car |
-
2013
- 2013-11-13 CN CN201320728022.0U patent/CN203559356U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631334A (en) * | 2014-12-23 | 2015-05-20 | 郑州新大方重工科技有限公司 | Novel middle supporting device of large-tonnage bridge girder erection machine |
| CN106638316A (en) * | 2016-11-25 | 2017-05-10 | 秦皇岛优益重工科技有限公司 | Construction process applied under condition that TLJ900 bridge girder erection machine passes through platforms frequently |
| CN106638316B (en) * | 2016-11-25 | 2019-11-05 | 秦皇岛优益重工科技有限公司 | A kind of TLJ900 Bridge Erector is frequent to cross platform construction technology |
| CN107881921A (en) * | 2017-12-13 | 2018-04-06 | 中铁第五勘察设计院集团有限公司 | One kind is hidden formula beam car |
| CN107881921B (en) * | 2017-12-13 | 2023-08-08 | 中铁第五勘察设计院集团有限公司 | Hiding type beam transporting vehicle |
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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: 20140423 Termination date: 20141113 |
|
| EXPY | Termination of patent right or utility model |