CN204897220U - Frame bridge crane's bridge hoisting structure - Google Patents
Frame bridge crane's bridge hoisting structure Download PDFInfo
- Publication number
- CN204897220U CN204897220U CN201520659038.XU CN201520659038U CN204897220U CN 204897220 U CN204897220 U CN 204897220U CN 201520659038 U CN201520659038 U CN 201520659038U CN 204897220 U CN204897220 U CN 204897220U
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- Prior art keywords
- bridge
- pulley
- suspension
- suspension rod
- hoisting structure
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Abstract
The utility model relates to a frame bridge crane's bridge hoisting structure, it includes the hoist frame, there are four hoist engines the upper end of hoist frame through bolt fixed mounting, every hoist engine is by safety brake, a speed reducer, the broken line reel, motor and fast axis liquid braking device constitute, the winding of broken line reel has wire rope, wire rope is connected with the assembly pulley, hoisting point support frame and back hoisting point support frame before the assembly pulley is connected with, the side of going up of preceding hoisting point support frame is provided with compensating pulley A and compensating pulley B, the side of going up of back hoisting point support frame is provided with fixed pulley A and fixed pulley B, preceding hoisting point support frame passes through bolt fixedly connected with jib roof beam with back hoisting point support frame, the both ends of jib roof beam are provided with the jib, the jib passes through the fixedly connected with lifting hook, and has the advantages of reasonable design, moreover, the steam generator is simple in structure, it is good to lift by crane the performance, strong bearing performance, safety and reliability, the precision of taking one's place height, the motor driver has great applicability, high reliability and high work efficiency, no shedding and long service life.
Description
Technical field
The utility model belongs to bridge span erecting machine equipment technical field, is specifically related to a kind of bridge hoisting structure of Bridge Erector.
Background technology
Along with the development of communications and transportation, bridge span erecting machine equipment have also been obtained fast speed development and application, and Bridge Erector is also more and more extensive as the application of erection road bridge and the requisite equipment of railway bridge.The hoisting structure of Bridge Erector is the important component part of Bridge Erector, is responsible for the crane lifting service of bridge, is also the main carrying stressed member of Bridge Erector, has very important effect to the lifting performance of Bridge Erector and work efficiency.Traditional Bridge Erector respectively establishes a suspension centre at hanging beam two ends, and each suspension centre links a winch, two suspension centre lifting operation modes that winch drives.Two suspension centre lifting operation job insecurity, easily causes beam body to reverse aloft, difficulty in place and the more stressed row problems such as large of hanging beam in the process of lifting, easily causes hanging beam to be damaged, there is certain security risk.Therefore, design is a kind of reasonable in design, and structure is simple, and lifting performance is good, and load-carrying capacity is strong, and safe and reliable, precision in place is high, and applicability is strong, and work efficiency is high, and the bridge hoisting structure of the Bridge Erector of long service life has great importance and acts on.
Utility model content
The purpose of this utility model is defect in order to overcome prior art and deficiency, and provide a kind of reasonable in design, structure is simple, and lifting performance is good, load-carrying capacity is strong, and safe and reliable, precision in place is high, applicability is strong, and work efficiency is high, the bridge hoisting structure of the Bridge Erector of long service life.
The purpose of this utility model is achieved in that a kind of bridge hoisting structure of Bridge Erector, it comprises elevator frame, the upper end of described elevator frame is bolted and is provided with winch, described winch is four, every platform winch is by sure brake, retarder, broken line reel, electrical motor and high speed shaft hydraulic brake composition, described broken line reel is wound with steel rope, described steel rope is connected with assembly pulley, described assembly pulley is connected with front suspension centre bracing frame and rear suspension centre bracing frame, the upper side of described front suspension centre bracing frame is provided with compensating pulley A and compensating pulley B, the upper side of described rear suspension centre bracing frame is provided with dead sheave A and dead sheave B, described front suspension centre bracing frame and rear suspension centre bracing frame have been bolted to connection suspension rod beam, the two ends of described suspension rod beam are provided with suspension rod, described suspension rod is by being fixedly connected with suspension hook.
Described suspension rod beam is the box hanging beam of box-structure.
Described compensating pulley A forms two compensating pulley structure together with described compensating pulley B, described two compensating pulley mechanisms can be considered as a Heave Here, the hoisting structure forming " promote, 3 balances " at 4 is combined with described dead sheave A and dead sheave B.
Described winch is four bench-types number identical winchs, and four winchs independently drive.
The upper end of described suspension rod is globosity, for ball pivot is connected and be provided with ball pivot pad between suspension rod with suspension rod beam.
The upper surface of described suspension hook is planar structure, and suspension hook is fixed on the lower end of suspension rod by nut.
Described assembly pulley is made up of fixed pulley group and running block, and described fixed pulley group and running block are formed by 6 pulley sheets.
The beneficial effect that the utility model can reach: each layout two mechanical winchs on every platform beam-hanging traveling crane of the present utility model, winch adopts broken line reel, multiple wraps, be connected with suspension rod beam with dead sheave by compensating pulley, the function of four-point hoisting three-point balancing can be realized, avoid the problem that hanging beam in use bears tersional stress, protection hanging beam is not damaged, and extends the service life of hanging beam; Operator need only control the synchronized operation of two winchs that rear overhead traveling crane is installed well, just can ensure the precision in place of hanging beam, simple to operate, accurately in place; Three suspension centre lifting operation modes are lifted by crane stable, the correct lifting of hanging beam can not only be ensured, and enable hanging beam bear larger load, lifting performance is high, load-carrying capacity is strong, adopt the applicability of the Bridge Erector of this kind of hoisting structure strong, the pre-cast concrete beam of the high ferro that energy handling is dissimilar and road bridge, has very wide promotional value; Winch adopts direct motor drive, and frequency control makes lifting steadily without impacting; High speed shaft and the slow-speed shaft of winch are respectively arranged with drg, and what ensure that in lifting process is safe and reliable; Adopt end face to be the suspension hook of plane, increase the bearing surface of suspension hook, improve the load-carrying capacity of suspender, the utility model has reasonable in design, structure is simple, and lifting performance is good, and load-carrying capacity is strong, safe and reliable, precision in place is high, and applicability is strong, and work efficiency is high, the advantage of long service life.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the bridge hoisting structure of a kind of Bridge Erector of the utility model.
Fig. 2 is the suspension centre connection structure schematic diagram of the bridge hoisting structure of the Bridge Erector of 4 conventional suspension centre operations.
In figure: 1, elevator frame, 2, sure brake, 3, retarder, 4, electrical motor, 5, broken line reel, 6, high speed shaft hydraulic brake, 7, steel rope, 8, assembly pulley, 9, rear suspension centre bracing frame, 10, front suspension centre bracing frame, 11, suspension rod beam, 12, suspension rod, 13, suspension hook, 14, compensating pulley A, 15, compensating pulley B, 16, dead sheave A, 17, dead sheave B.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail.
Embodiment 1
As depicted in figs. 1 and 2, a kind of bridge hoisting structure of Bridge Erector, it comprises elevator frame 1, the upper end of described elevator frame 1 is bolted and is provided with winch, described winch is four, every platform winch is by sure brake 2, retarder 3, broken line reel 5, electrical motor 4 and high speed shaft hydraulic brake 6 form, described broken line reel 5 is wound with steel rope 7, described steel rope 7 is connected with assembly pulley 8, described assembly pulley 8 is connected with front suspension centre bracing frame 10 and rear suspension centre bracing frame 9, the upper side of described front suspension centre bracing frame 10 is provided with compensating pulley A14 and compensating pulley B15, the upper side of described rear suspension centre bracing frame 9 is provided with dead sheave A16 and dead sheave B17, described front suspension centre bracing frame 10 and rear suspension centre bracing frame 9 have been bolted to connection suspension rod beam 11, the two ends of described suspension rod beam 11 are provided with suspension rod 12, described suspension rod 12 is by being fixedly connected with suspension hook 13.
A 4 bench-types number identical winch for the bridge hoisting structure of a kind of Bridge Erector of the utility model is connected to compensating pulley A14, compensating pulley B15, dead sheave A and dead sheave B, for lifting operation provides propulsive effort, realization is transferred by the positive and negative of electrical motor 4, the rising of suspension hook and decline, open electrical motor 4, electrical motor 4 is reversed, decline suspension hook 13, suspension hook 13 tangles bridge after dropping to certain position, after bridge being firmly linked with on suspension hook 13, operating motor 4 rotates forward, suspension hook 13 is made to drive bridge to rise, compensating pulley A14 on front suspension centre bracing frame 10 and compensating pulley B15 can regulate balance each other, control the winch be connected with dead sheave A and dead sheave B well, ensure suspension rod beam 11 in uphill process not by twisting resistance, steady rising, bridge is made to be placed in desired position exactly, work is laid in the lifting completing bridge, have reasonable in design, structure is simple, easy for installation, lifting performance is good, load-carrying capacity is strong, safe and reliable, precision in place is high, applicability is strong, the advantage that work efficiency is high.
Embodiment 2
As depicted in figs. 1 and 2, a kind of bridge hoisting structure of Bridge Erector, it comprises elevator frame 1, the upper end of described elevator frame 1 is bolted and is provided with winch, described winch is four, every platform winch is by sure brake 2, retarder 3, broken line reel 5, electrical motor 4 and high speed shaft hydraulic brake 6 form, described broken line reel 5 is wound with steel rope 7, described steel rope 7 is connected with assembly pulley 8, described assembly pulley 8 is connected with front suspension centre bracing frame 10 and rear suspension centre bracing frame 9, the upper side of described front suspension centre bracing frame 10 is provided with compensating pulley A14 and compensating pulley B15, the upper side of described rear suspension centre bracing frame 9 is provided with dead sheave A16 and dead sheave B17, described front suspension centre bracing frame 10 and rear suspension centre bracing frame 9 have been bolted to connection suspension rod beam 11, the two ends of described suspension rod beam 11 are provided with suspension rod 12, described suspension rod 12 is by being fixedly connected with suspension hook 13.
Described suspension rod beam 11 is the box hanging beam of box-structure; Described compensating pulley A14 forms two compensating pulley structure together with described compensating pulley B15, described two compensating pulley mechanisms can be considered as a Heave Here, the hoisting structure forming " promote, 3 balances " at 4 is combined with described dead sheave A16 and dead sheave B17; Described winch is four bench-types number identical winchs, and four winchs independently drive; The upper end of described suspension rod 12 is globosity, for ball pivot is connected and be provided with ball pivot pad between suspension rod 12 with suspension rod beam 11; The upper surface of described suspension hook 13 is planar structure, and suspension hook 13 is fixed on the lower end of suspension rod 12 by nut; Described assembly pulley 8 is made up of fixed pulley group and running block, and described fixed pulley group and running block are formed by 6 pulley sheets.
Each layout two mechanical winchs on every platform beam-hanging traveling crane of the present utility model, winch adopts broken line reel, multiple wraps, be connected with suspension rod beam with dead sheave by compensating pulley, the function of four-point hoisting three-point balancing can be realized, avoid the problem that hanging beam in use bears tersional stress, protection hanging beam is not damaged, and extends the service life of hanging beam; Operator need only control the synchronized operation of two winchs that rear overhead traveling crane is installed well, just can ensure the precision in place of hanging beam, simple to operate, accurately in place; Three suspension centre lifting operation modes are lifted by crane stable, the correct lifting of hanging beam can not only be ensured, and enable hanging beam bear larger load, lifting performance is high, load-carrying capacity is strong, adopt the applicability of the Bridge Erector of this kind of hoisting structure strong, the pre-cast concrete beam of the high ferro that energy handling is dissimilar and road bridge, has very wide promotional value; Winch adopts direct motor drive, and frequency control makes lifting steadily without impacting; High speed shaft and the slow-speed shaft of winch are respectively arranged with drg, and what ensure that in lifting process is safe and reliable; Adopt end face to be the suspension hook of plane, increase the bearing surface of suspension hook, improve the load-carrying capacity of suspender, the utility model has reasonable in design, structure is simple, and lifting performance is good, and load-carrying capacity is strong, safe and reliable, precision in place is high, and applicability is strong, and work efficiency is high, the advantage of long service life.
Claims (7)
1. the bridge hoisting structure of a Bridge Erector, it comprises elevator frame, it is characterized in that: the upper end of described elevator frame is bolted and is provided with winch, described winch is four, every platform winch is by sure brake, retarder, broken line reel, electrical motor and high speed shaft hydraulic brake composition, described broken line reel is wound with steel rope, described steel rope is connected with assembly pulley, described assembly pulley is connected with front suspension centre bracing frame and rear suspension centre bracing frame, the upper side of described front suspension centre bracing frame is provided with compensating pulley A and compensating pulley B, the upper side of described rear suspension centre bracing frame is provided with dead sheave A and dead sheave B, described front suspension centre bracing frame and rear suspension centre bracing frame have been bolted to connection suspension rod beam, the two ends of described suspension rod beam are provided with suspension rod, described suspension rod is by being fixedly connected with suspension hook.
2. the bridge hoisting structure of a kind of Bridge Erector according to claim 1, is characterized in that: described suspension rod beam is the box hanging beam of box-structure.
3. the bridge hoisting structure of a kind of Bridge Erector according to claim 1, it is characterized in that: described compensating pulley A forms two compensating pulley structure together with described compensating pulley B, described two compensating pulley mechanisms can be considered as a Heave Here, the hoisting structure forming " promote, 3 balances " at 4 is combined with described dead sheave A and dead sheave B.
4. the bridge hoisting structure of a kind of Bridge Erector according to claim 1, is characterized in that: described winch is four bench-types number identical winchs, and four winchs independently drive.
5. the bridge hoisting structure of a kind of Bridge Erector according to claim 1, is characterized in that: the upper end of described suspension rod is globosity, for ball pivot is connected and be provided with ball pivot pad between suspension rod with suspension rod beam.
6. the bridge hoisting structure of a kind of Bridge Erector according to claim 1, is characterized in that: the upper surface of described suspension hook is planar structure, and suspension hook is fixed on the lower end of suspension rod by nut.
7. the bridge hoisting structure of a kind of Bridge Erector according to claim 1, is characterized in that: described assembly pulley is made up of fixed pulley group and running block, and described fixed pulley group and running block are formed by 6 pulley sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520659038.XU CN204897220U (en) | 2015-08-28 | 2015-08-28 | Frame bridge crane's bridge hoisting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520659038.XU CN204897220U (en) | 2015-08-28 | 2015-08-28 | Frame bridge crane's bridge hoisting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204897220U true CN204897220U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520659038.XU Expired - Fee Related CN204897220U (en) | 2015-08-28 | 2015-08-28 | Frame bridge crane's bridge hoisting structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN204897220U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733986A (en) * | 2019-01-22 | 2019-05-10 | 河南华北起重吊钩有限公司 | A kind of crane hook assembly |
| CN110840620A (en) * | 2019-10-29 | 2020-02-28 | 黑龙江省农业机械工程科学研究院齐齐哈尔农业机械化研究所 | Medicated bath machine for fixed sheep farm |
-
2015
- 2015-08-28 CN CN201520659038.XU patent/CN204897220U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733986A (en) * | 2019-01-22 | 2019-05-10 | 河南华北起重吊钩有限公司 | A kind of crane hook assembly |
| CN109733986B (en) * | 2019-01-22 | 2024-02-02 | 河南华北起重吊钩有限公司 | Crane hook assembly |
| CN110840620A (en) * | 2019-10-29 | 2020-02-28 | 黑龙江省农业机械工程科学研究院齐齐哈尔农业机械化研究所 | Medicated bath machine for fixed sheep farm |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160828 |