CN216586201U - A hoist that is arranged in cable-stay bridge construction to stride to close - Google Patents
A hoist that is arranged in cable-stay bridge construction to stride to close Download PDFInfo
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- CN216586201U CN216586201U CN202123337632.1U CN202123337632U CN216586201U CN 216586201 U CN216586201 U CN 216586201U CN 202123337632 U CN202123337632 U CN 202123337632U CN 216586201 U CN216586201 U CN 216586201U
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- lifting lug
- lug
- cable
- balance beam
- closure
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Abstract
The utility model discloses a hoist that is used for cable-stay bridge construction to stride well closure, be used for the connection lug that links to each other with bridge floor hoist steel cable including the compensating beam with establishing on the upper portion of compensating beam, the upper portion of compensating beam is equipped with lug on one side of connecting the lug, and the lug is gone up on the opposite side of connecting the lug on the upper portion of compensating beam is equipped with the opposite side, and the lug is equipped with the lower lug that is used for linking to each other with cable-stay bridge closure section girder on the below of compensating beam corresponds every side, links to each other through wire rope between corresponding last lug and the lower lug. The balance beam and the upper and lower lifting lugs are in transition, so that the steel girder can smoothly pass through the closure opening, the stress working condition of the steel girder in the hoisting process can be ensured, the hoisting is simple and convenient, and the hoisting is stable and reliable; and the structure is simple, and the manufacturing cost is low.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction technique and specifically relates to a hoist that is arranged in cable-stay bridge construction to stride to close.
Background
With the continuous improvement of the economic level of China, the traffic construction is rapidly developed, and the construction of super-huge bridges is more and more. The cable-stayed bridge is the first choice of the bridge type, and the main beam of the cable-stayed bridge adopts steel structure bridges such as steel box girders and the like, so that the cable-stayed bridge has the characteristics of light structure, quick construction, saving, environmental protection and the like, and is the development direction of bridges in the future; the hoisting construction of the main beam closure section is also a key control procedure of the construction of the cable-stayed bridge. Consider the turnover use of having bridge floor loop wheel machine, to closing the mouth that the width is less, adopt current hoist structure hoist and mount not convenient for smoothly through closing the mouth, complex operation.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to solve the technical problem that a hoist for closure in cable-stay bridge construction is striden is provided to reach and to pass through closure mouth smoothly, hoist simple and convenient purpose.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
this a hoist for cable-stay bridge construction is striden well and is closed a dragon, include the compensating beam and establish the connection lug that the upper portion of compensating beam is used for linking to each other with bridge floor hoist steel cable, the upper portion of compensating beam is equipped with lug on one side of connecting the lug, and the upper portion of compensating beam is equipped with lug on the opposite side of connecting the lug on the opposite side, and the lug is equipped with the lower lug that is used for linking to each other with cable-stay bridge closure section girder on the below of compensating beam corresponds every side, links to each other through wire rope between corresponding last lug and the lower lug.
Further:
the balance beam is a steel structure beam.
The connecting lifting lug is arranged in the middle of the balance beam, and the lifting lug on one side and the lifting lug on the other side are symmetrically arranged.
The connecting lifting lug is welded on the balance beam, and the lifting lug on one side and the lifting lug on the other side are fixed on the balance beam through bolts.
And the lower lifting lug is provided with a pin hole for connecting with a main beam of a closure section of the cable-stayed bridge in a pin joint manner.
The two ends of the upper lifting lug on each side of the balance beam are respectively provided with a protruding part, the protruding part at each end and the end part of the corresponding lower lifting lug are respectively provided with a corresponding annular groove, and the upper and lower corresponding annular grooves are connected through a steel wire rope.
Compared with the prior art, the utility model, have following advantage:
the lifting appliance for mid-span closure of cable-stayed bridge construction is reasonable in structural design, can smoothly pass through a closure opening through transition of the balance beam and the upper and lower lifting lugs, can ensure the stress working condition of a steel main beam in the lifting process, is simple and convenient to lift, and is stable and reliable to lift; and the structure is simple, and the manufacturing cost is low.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is the schematic view of the spreader structure of the present invention.
Fig. 2 is the structural schematic diagram of the balance beam of the present invention.
In the figure:
101. the lifting device comprises an upper lifting lug at one side, 102, an upper lifting lug at the other side, 201, a middle lifting lug, 301, a balance beam, 401, a steel wire rope at one side, 402, a steel wire rope at the other side, 501, a lower lifting lug at one side, 502, a lower lifting lug at the other side, 601 and a bolt hole.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the lifting appliance for mid-span closure of cable-stayed bridge construction comprises a balance beam 301 and a connecting lug arranged on the upper portion of the balance beam and used for being connected with a steel cable of a bridge deck crane, wherein the upper portion of the balance beam is provided with a lug 101 on one side of the connecting lug, the upper portion of the balance beam is provided with a lug 102 on the other side of the connecting lug, a lower lug for being connected with a main beam of a closure section of the cable-stayed bridge is arranged below the balance beam corresponding to the lug on each side, and the corresponding upper lug and the lower lug are connected through the steel cable.
The balance beam 301 is a steel structure beam; the connecting lifting lug is arranged in the middle of the balance beam, and the lifting lug on one side and the lifting lug on the other side are symmetrically arranged; the connecting lifting lugs are connected with steel ropes of the bridge deck crane, and the pair of lower lifting lugs are connected with a main beam of a closure section of the cable-stayed bridge.
The utility model can smoothly pass through the closure opening through the balance beam and the transition of the upper and lower lifting lugs, and can ensure the stress working condition of the steel girder in the hoisting process, the hoisting is simple and convenient, and the hoisting is stable and reliable; and the structure is simple, and the manufacturing cost is low.
Connecting lug welding lug 201 in the intermediate position department formation of compensating beam, the last lug that corresponds every side on the compensating beam all is equipped with a set of bolt hole 601, and lug on one side and lug on the opposite side all pass through the bolt fastening on the compensating beam, and the equipment is simple and convenient.
The upper lifting lug 101 on one side is connected with the lower lifting lug 501 on one side through a steel wire rope 401 on one side, the upper lifting lug 102 on the other side is connected with the lower lifting lug 502 on the other side through a steel wire rope 402 on the other side, the structures on the two sides are symmetrically arranged, and the main beam of the closure section of the closed cable-stayed bridge is stably and reliably hoisted.
The both ends of the last lug of every side all are equipped with the extension on compensating beam 301, all are equipped with corresponding ring channel on the extension of every end and the lower lug tip that corresponds, link to each other through wire rope between the upper and lower corresponding ring channel, and wire rope is located the ring channel, and hoist and mount are stable.
The lower lifting lug is provided with a pin hole for connecting with a main beam of the closure section of the cable-stayed bridge in a pin joint manner, so that the connection is simple and convenient; the utility model is suitable for a dragon mouth width is less (generally not more than 5m), the section of closing a dragon that needs single bridge floor crane hoist and mount. The general two of hoist are a set of, are connected down with the steel girder simultaneously, and lower lug on the hoist is connected with cable-stay bridge closure section girder pin joint, passes through wire rope flexible coupling with last lug, and the bridge floor crane promotes wire rope, and then promotes cable-stay bridge closure roof beam through the hoist.
The above-mentioned is only for the description of the preferred embodiments of the present invention, and the above-mentioned technical features can be combined at will to form a plurality of embodiments of the present invention.
The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.
Claims (6)
1. The utility model provides a hoist that is arranged in cable-stay bridge construction to stride to close a dragon which characterized in that: the connecting lifting lug comprises a balance beam and a connecting lifting lug arranged on the upper portion of the balance beam and used for being connected with a steel rope of a bridge deck crane, wherein the upper portion of the balance beam is provided with a lifting lug on one side of the connecting lifting lug, the upper portion of the balance beam is provided with a lifting lug on the other side of the connecting lifting lug on the other side, the lifting lug on each side corresponding to the lower portion of the balance beam is provided with a lower lifting lug used for being connected with a main beam of a closure section of a cable-stayed bridge, and the corresponding upper lifting lug and the lower lifting lug are connected through a steel rope.
2. The spreader for mid-span closure of cable-stayed bridge construction according to claim 1, wherein: the balance beam is a steel structure beam.
3. The spreader for mid-span closure of cable-stayed bridge construction according to claim 1, wherein: the connecting lifting lug is arranged in the middle of the balance beam, and the lifting lug on one side and the lifting lug on the other side are symmetrically arranged.
4. The spreader for mid-span closure of cable-stayed bridge construction according to claim 1, wherein: the connecting lifting lug is welded on the balance beam, and the lifting lug on one side and the lifting lug on the other side are fixed on the balance beam through bolts.
5. The spreader for mid-span closure of cable-stayed bridge construction according to claim 1, wherein: and the lower lifting lug is provided with a pin hole for connecting with a main beam of a closure section of the cable-stayed bridge in a pin joint manner.
6. The spreader for mid-span closure of cable-stayed bridge construction according to claim 1, wherein: the two ends of the upper lifting lug on each side of the balance beam are respectively provided with a protruding part, the protruding part at each end and the end part of the corresponding lower lifting lug are respectively provided with a corresponding annular groove, and the upper and lower corresponding annular grooves are connected through a steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123337632.1U CN216586201U (en) | 2021-12-28 | 2021-12-28 | A hoist that is arranged in cable-stay bridge construction to stride to close |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123337632.1U CN216586201U (en) | 2021-12-28 | 2021-12-28 | A hoist that is arranged in cable-stay bridge construction to stride to close |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216586201U true CN216586201U (en) | 2022-05-24 |
Family
ID=81629528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123337632.1U Active CN216586201U (en) | 2021-12-28 | 2021-12-28 | A hoist that is arranged in cable-stay bridge construction to stride to close |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216586201U (en) |
-
2021
- 2021-12-28 CN CN202123337632.1U patent/CN216586201U/en active Active
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