CN203684097U - Mountain overhead tower-attached cantilever type beam-lifting purlin-hoisting system - Google Patents
Mountain overhead tower-attached cantilever type beam-lifting purlin-hoisting system Download PDFInfo
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- CN203684097U CN203684097U CN201320744651.2U CN201320744651U CN203684097U CN 203684097 U CN203684097 U CN 203684097U CN 201320744651 U CN201320744651 U CN 201320744651U CN 203684097 U CN203684097 U CN 203684097U
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- purlin
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- girder
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Abstract
The utility model discloses a mountain overhead tower-attached cantilever type beam-lifting purlin-hoisting system, which comprises a triangular truss support structure, a purlin-hoisting main beam structure and a hoisting mechanism, wherein the triangular truss support structure is connected to the side wall of a tower column; the purlin-hoisting main beam structure is arranged on the triangular truss support structure; the hoisting mechanism is arranged on the purlin-hoisting main bema structure. The purlin-hoisting system is a novel hoisting system designed specific to the construction difficulties in the prior art. After steel trussed beams are transported to the field in pieces, purlin pieces are hoisted onto a temporary bracket on an overhead bridge surface by using the overhead tower-attached cantilever type beam-lifting purlin-hoisting system for splicing and positioning, so that overhead hoisting of the purlin pieces is realized, the construction difficulty is lowered greatly, and great practical significance is achieved.
Description
Technical field
The utility model relates to bridge construction apparatus field, refers to particularly attached tower cantilevered bale handle purlin, high-altitude, a kind of mountain area crane system.
Background technology
China's mountain area area is vast, and along with the develop rapidly that road traffic is built, continuous steel girder bridge is more and more Construction of The Mountainous Region.And Construction of The Mountainous Region large bridge steel truss girder exists that mountain shape is precipitous, temporary structure is built difficulty, bridge location place narrow field, construction plant be subject to orographic condition restriction greatly, the steel truss girder bridge identity distance difficult points the such as overhead discrepancy in elevation is large, steel truss girder integral installation difficulty is very large, the more complicated area of landforms is as area, V-type valley, almost can not be to steel truss girder integral installation, therefore adopt purlin sheet burst transportation more and install.
But due to purlin sheet element size and weight various, particularly large scale, large wt pts, all cannot utilize conventional tower crane to carry out upper air installing, therefore, needs a kind of Novel hanging structure of design carry out assembled and positioning to purlin sheet element.
Utility model content
The purpose of this utility model is exactly the deficiency that will solve above-mentioned background technology, a kind of upper air installing of realizing purlin sheet is provided, reduces attached tower cantilevered bale handle purlin, high-altitude, the mountain area crane system of difficulty of construction.
The technical solution of the utility model is: attached tower cantilevered bale handle purlin, high-altitude, a kind of mountain area crane system, it is characterized in that: it comprises that English truss braced structures, purlin hang main beam structure and jack machinism, described English truss braced structures is connected to king-post sidewall, described purlin is hung main beam structure and is arranged in English truss braced structures, and described jack machinism is arranged on purlin and hangs on main beam structure.
In such scheme:
Described English truss braced structures comprises lower built-in fitting and the upper built-in fitting in king-post, and described lower built-in fitting and upper built-in fitting are by triangular truss support and connection.
The described English truss braced structures of one side and purlin are hung and between main beam structure, are provided with column supporting structural.
The described English truss braced structures of opposite side and purlin are hung and between main beam structure, are provided with column supporting structural.
Described column supporting structural comprises the oblique column supporting structural and the right cylinder braced structures that are provided with distance, described oblique column supporting structural and right cylinder braced structures lower end are fixed on English truss support top end, and right cylinder braced structures upper end is connected with king-post by king-post built-in fitting.
Described oblique column supporting structural is connected by crossbeam and supports purlin and hang main beam structure with right cylinder braced structures top.
Described purlin is hung main beam structure and is comprised that purlin hangs girder, and described purlin is hung girder lower end and is fixedly connected with crossbeam, and purlin is hung girder upper end and is equipped with rail, and described rail is provided with car stop structure.
It is that cross section is three-legged structure that girder is hung in described purlin, and purlin is hung girder lower end and is connected with crossbeam by four strong points.
Described purlin is hung between girder and king-post and is provided with connecting rod, and described connecting rod one end is hung girder with purlin and is connected, and the connecting rod other end is connected with the built-in fitting in king-post.
Described jack machinism comprises wheeling mechanism, traveling mechanism of the larger traveller and hoisting mechanism, described traveling mechanism of the larger traveller is arranged on rail, wheeling mechanism is arranged on traveling mechanism of the larger traveller, described hoisting mechanism is arranged on the crossbeam of wheeling mechanism, and hoisting mechanism lower end is used for lifting steel truss girder.
The utility model is a kind of Novel hanging system designing for the construction Difficulties in background technology, be transported to behind scene at steel truss girder burst, adopt attached tower cantilevered bale handle purlin, this high-altitude crane system that sheet lifting in purlin is carried out to assembled and positioning to the falsework at bridge floor place, high-altitude, thereby realize the upper air installing of purlin sheet, to greatly reduce difficulty of construction, there is Great significance.
Accompanying drawing explanation
Fig. 1 is structure elevation of the present utility model;
Fig. 2 is A-A generalized section in Fig. 1;
Fig. 3 is B-B generalized section in Fig. 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Attached tower cantilevered bale handle purlin, high-altitude, a kind of mountain area crane system as shown in FIG., it comprises that English truss braced structures, purlin hang main beam structure and jack machinism, English truss braced structures is connected to king-post sidewall, purlin is hung main beam structure and is arranged in English truss braced structures, and jack machinism is arranged on purlin and hangs on main beam structure.
In the present embodiment:
English truss braced structures comprises lower built-in fitting 1 and the upper built-in fitting 3 in king-post, lower built-in fitting 1 supports 2 with upper built-in fitting 3 by triangular truss and is connected, lower built-in fitting 1, upper built-in fitting 3 and triangular truss support 2 and form stable rigid structures, be used for support top column supporting structural and purlin hang main beam structure, the basis of whole system structure, as the auxiliary operation platform of construction; Can also, for the steel truss girder member promoting reserves traversing and vertical shift space, reduce the height promoting as far as possible.
English truss braced structures and purlin are hung and between main beam structure, are provided with column supporting structural, column supporting structural comprises the oblique column supporting structural 4 and the right cylinder braced structures 5 that are provided with distance, described oblique column supporting structural 4 and right cylinder braced structures 5 lower ends are fixed on English truss and support 2 tops, tiltedly column supporting structural 4 is connected with king-post by king-post built-in fitting 6 with right cylinder braced structures 5 upper ends, to strengthen the stability of structure; Right cylinder braced structures 5 tops connect by welding beam 7 and support purlin and hang main beam structure.Because mountain construction place is limited, setting up of column supporting structural can be according to the situation setting of actual field ground, can also arrange and also can arrange both sides simultaneously separately in both sides, left and right limit, its Main Function is: reduce purlin and hang whole height, and the member promoting for cantilever end reserves traversing and vertical shift space; The English truss braced structures apical side height of adjusting king-post both sides, makes purlin hang main beam structure in equilibrium state.
Purlin is hung main beam structure and is comprised that purlin hangs girder 8, and purlin is hung girder 8 lower ends and is fixedly connected with crossbeam 7, and purlin is hung girder 8 upper ends and is equipped with rail 9, and rail 9 is provided with car stop structure 10.
Purlin hang girder 8 for cross section be three-legged structure, purlin is hung girder 8 lower ends and is connected with crossbeam 7 by four strong points, can guarantee that like this purlin hangs resistance to overturning and the safety of girder.
Purlin is hung between the cantilever end of girder 8 and king-post and is provided with connecting rod 15, and described connecting rod 15 one end are hung girder 8 with purlin and are connected, and connecting rod 15 other ends are connected with the built-in fitting 14 in king-post, the stability that design can increase purlin and hangs girder 8 like this.
Girder 8 is hung for unit in charge of construction's existing structure in purlin, can use by revising local connection; Rail 9 connects in the usual way; Car stop structure 10 is installed according to jack machinism stroke, in order to carry out spacing to it after jack machinism Overstroke.
Purlin is hung main beam structure and is comprised that Main Function is: member can lift by crane from two ends cantilever; Support jack machinism is traversing to be moved with vertical shift; Restriction jack machinism traversing stroke within the scope of construction requirement.In addition, according to job site landform, member also can be only from a side cantilever end lifting.
Jack machinism comprises wheeling mechanism 11, traveling mechanism of the larger traveller 12 and hoisting mechanism 13, traveling mechanism of the larger traveller 12 is arranged on rail 9, wheeling mechanism 11 is arranged on traveling mechanism of the larger traveller 12, hoisting mechanism 13 is arranged on the crossbeam of wheeling mechanism 11, and the lower end of hoisting mechanism 13 is by suspension hook and lifting steel truss girder.Jack machinism, as the actuating unit of the lifting of steel truss girder member, traversing and vertical shift, can be selected existing equipment or customization according to construction requirement.
The utility model has the advantage of:
1, the utility model can be realized the lifting of steel truss girder member, traversing and vertical shift, solves the upper air installing problem of large scale, large wt pts;
2, the utility model is attached on king-post by built-in fitting, has solved the little problem in landform construction plant, complex mountainous;
3, purlin is hung girder and is adopted existing crane main beam structure, and crane is existing product, can reuse, and structure processing and installation process shorten greatly, has easy for installation, dismounting simple and fast, can repeat the feature that turnover is used.
Claims (10)
1. the attached tower cantilevered bale handle in high-altitude, mountain area purlin crane system, it is characterized in that: it comprises that English truss braced structures, purlin hang main beam structure and jack machinism, described English truss braced structures is connected to king-post sidewall, described purlin is hung main beam structure and is arranged in English truss braced structures, and described jack machinism is arranged on purlin and hangs on main beam structure.
2. the attached tower cantilevered bale handle in high-altitude, mountain area according to claim 1 purlin crane system, it is characterized in that: described English truss braced structures comprises lower built-in fitting (1) and the upper built-in fitting (3) in king-post, and described lower built-in fitting (1) supports (2) with upper built-in fitting (3) by triangular truss and is connected.
3. the attached tower cantilevered bale handle in high-altitude, mountain area according to claim 1 purlin crane system, is characterized in that: the described English truss braced structures of a side and purlin are hung and between main beam structure, be provided with column supporting structural.
4. the attached tower cantilevered bale handle in high-altitude, mountain area according to claim 3 purlin crane system, is characterized in that: the described English truss braced structures of opposite side and purlin are hung and between main beam structure, be provided with column supporting structural.
5. according to attached tower cantilevered bale handle purlin, high-altitude, the mountain area crane system described in claim 3 or 4, it is characterized in that: described column supporting structural comprises the oblique column supporting structural (4) and the right cylinder braced structures (5) that are provided with distance, described oblique column supporting structural (4) and right cylinder braced structures (5) lower end are fixed on English truss and support (2) top, and right cylinder braced structures (5) upper end is connected with king-post by king-post built-in fitting (6).
6. the attached tower cantilevered bale handle in high-altitude, mountain area according to claim 5 purlin crane system, is characterized in that: described oblique column supporting structural (4) is connected and is supported purlin and hang main beam structure by crossbeam (7) with right cylinder braced structures (5) top.
7. the attached tower cantilevered bale handle in high-altitude, mountain area according to claim 1 purlin crane system, it is characterized in that: described purlin is hung main beam structure and comprised that purlin hangs girder (8), described purlin is hung girder (8) lower end and is fixedly connected with crossbeam (7), purlin is hung girder (8) upper end and is equipped with rail (9), and described rail (9) is provided with car stop structure (10).
8. the attached tower cantilevered bale handle in high-altitude, mountain area according to claim 7 purlin crane system, is characterized in that: described purlin hang girder (8) for cross section be three-legged structure, purlin is hung girder (8) lower end and is connected with crossbeam (7) by four strong points.
9. according to attached tower cantilevered bale handle purlin, high-altitude, the mountain area crane system described in claim 7 or 8, it is characterized in that: described purlin is hung and between girder (8) and king-post, is provided with connecting rod (15), described connecting rod (15) one end is hung girder (8) with purlin and is connected, and connecting rod (15) other end is connected with the built-in fitting (14) in king-post.
10. the attached tower cantilevered bale handle in high-altitude, mountain area according to claim 1 purlin crane system, it is characterized in that: described jack machinism comprises wheeling mechanism (11), traveling mechanism of the larger traveller (12) and hoisting mechanism (13), described traveling mechanism of the larger traveller (12) is arranged on rail (9), wheeling mechanism (11) is arranged on traveling mechanism of the larger traveller (12), described hoisting mechanism (13) is arranged on the crossbeam of wheeling mechanism (11), and the lower end of hoisting mechanism (13) is used for lifting steel truss girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744651.2U CN203684097U (en) | 2013-11-21 | 2013-11-21 | Mountain overhead tower-attached cantilever type beam-lifting purlin-hoisting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744651.2U CN203684097U (en) | 2013-11-21 | 2013-11-21 | Mountain overhead tower-attached cantilever type beam-lifting purlin-hoisting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203684097U true CN203684097U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320744651.2U Withdrawn - After Issue CN203684097U (en) | 2013-11-21 | 2013-11-21 | Mountain overhead tower-attached cantilever type beam-lifting purlin-hoisting system |
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| CN (1) | CN203684097U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628411A (en) * | 2013-11-21 | 2014-03-12 | 中交第二航务工程局有限公司 | Upper-air tower-attaching cantilever type girder-lifting truss-hanging system in mountainous area |
| CN114855631A (en) * | 2022-05-26 | 2022-08-05 | 中交路桥建设有限公司 | Method for installing multi-beam steel cable tower |
-
2013
- 2013-11-21 CN CN201320744651.2U patent/CN203684097U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628411A (en) * | 2013-11-21 | 2014-03-12 | 中交第二航务工程局有限公司 | Upper-air tower-attaching cantilever type girder-lifting truss-hanging system in mountainous area |
| CN103628411B (en) * | 2013-11-21 | 2015-11-18 | 中交第二航务工程局有限公司 | Attached tower cantilevered bale handle purlin, high-altitude, mountain area crane system |
| CN114855631A (en) * | 2022-05-26 | 2022-08-05 | 中交路桥建设有限公司 | Method for installing multi-beam steel cable tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |