CN201943006U - Main tower zone movable bracket for assisting non-variable amplitude girder erecting crane to erect steel box girders - Google Patents
Main tower zone movable bracket for assisting non-variable amplitude girder erecting crane to erect steel box girders Download PDFInfo
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- CN201943006U CN201943006U CN201120013894XU CN201120013894U CN201943006U CN 201943006 U CN201943006 U CN 201943006U CN 201120013894X U CN201120013894X U CN 201120013894XU CN 201120013894 U CN201120013894 U CN 201120013894U CN 201943006 U CN201943006 U CN 201943006U
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- diagonal brace
- girder
- tower
- king
- movable bracket
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Abstract
The utility model discloses a main tower zone movable bracket for assisting a non-variable amplitude girder erecting crane to erect steel box girders, comprising a left vertical column, a right vertical column, an upper cross support and a lower cross support. The main tower zone movable bracket is characterized in that connecting rods which are crossed mutually are fixed among the left vertical column, the right vertical column, the upper cross support and the lower cross support; the left end of the main sliding way of the bracket is placed at the top end of the lower cross girder of a main tower; the right end of the main sliding way of the bracket is connected with the left end of a sliding way girder; the outer side wall of the right vertical column is respectively provided with a jack operating platform and a movable bracket sliding rail; an inclined strut is connected between the sliding way girder and the movable bracket sliding rail; and a lifting system consists of a sliding way lifting lug, an upper pulley, an inclined strut lifting lug, a lower pulley, the jack operating platform, the movable bracket sliding rail and a winch. The main tower zone movable bracket has the advantages that the non-variable amplitude girder erecting crane is assisted to erect a plurality of sections of steel box girders of the main tower zone, the problem that the non-variable amplitude girder erecting crane lifts the girder sections to the bracket is solved, and the stressing is definite, large floating crane equipment and the investment are saved and the movable bracket can be repeatedly utilized among all tower piers.
Description
Technical field
The utility model relates to the bridge engineering construction equipment, especially relates to a kind of auxiliary constant amplitude girder erection crane and sets up steel case beam with king-tower district travel(l)ing rest.
Background technology
Increase along with China's infrastructure drops into constantly, bridge construction develops rapidly, and particularly Oversea bridge has welcome upsurge in construction.
When building Oversea bridge, the coastal area climate variability, difficulty of construction is big, especially for brief talking district's Oversea bridge construction, utilizes prior art to set up shoal area steel case beam, need have high input, the risk height.Steel box beam erection scheme commonly used has following two kinds of constructure scheme: the auxiliary constant amplitude girder erection crane of (1) crane barge is installed: utilize 1000t full circle swinging crane barge that the king-tower beam section is installed on support, put two bridge floor girder erection cranes of symmetrical assembly unit on the king-tower beam section in place by the slippage of pushing tow mode; Utilize the symmetrical cantilever installation code beam section of girder erection crane; The pier back timber section of interim pier, auxiliary pier, transition pier also adopts crane barge to install on support.There is following shortcoming in this programme: 1, the risk that can not on time march into the arena of crane barge, and the crane barge cost of use is higher; 2, the pier back timber section that will carry out interim pier, auxiliary pier, transition pier after the installation of king-tower beam section is immediately installed, and pier back timber section needs to make in advance to finish, and manufacturing schedule is difficult to guarantee; 3, shoal area dredging work has high input.(2), the luffing girder erection crane is installed (work range 11.5～23m): utilize D1100 type tower crane 1 group of 2 * 200t luffing of assembly unit girder erection crane on support, the king-tower beam section is installed on support, put in place by the slippage of pushing tow mode, another group of symmetrical assembly unit 2 * 200t bridge floor girder erection crane forms two ends symmetrical free cantilever erection operating mode simultaneously after the installation of king-tower beam section; The pier back timber section of interim pier, auxiliary pier, transition pier all adopts girder erection crane to install.There is following shortcoming in this programme: 1, the expense of luffing girder erection crane increases about 3,500,000 yuan than the constant amplitude girder erection crane; 2, the change workload of girder and suspension cable design is big, and it is big that the increase expense is strengthened in the part of steel case beam; 3, this programme construction period is longer.
Summary of the invention
The purpose of this utility model provides a kind ofly can assist the constant amplitude girder erection crane to set up king-tower district a plurality of sections steel case beam, solves the constant amplitude girder erection crane beam section is lifted problem, novel structure, stressed clear and definite king-tower district travel(l)ing rest to the support.
The purpose of this utility model is achieved in that
A kind of auxiliary constant amplitude girder erection crane sets up steel case beam with king-tower district travel(l)ing rest, comprise two vertical left columns placed side by side, right column and two horizontal last stulls placed side by side, lower brace, feature is: left column, the bottom of right column all is fixed on the steel pipe post that is installed on the king-tower cushion cap, last stull, the left end of lower brace is by to drawing cone to be fixed on the sidewall of king-tower lower transverse beam, left column, right column and last stull, lower brace is vertical placement and is fixed together, at left column, right column, be fixed with mutual intersection between last stull and the lower brace, be used to form the connecting rod of rock-steady structure, left column, the top of right column all is fixed on the bottom, middle part of support main skid, the left end of support main skid is placed on the top of king-tower lower transverse beam by cushion block, and the right-hand member of support main skid links to each other with the left end of slipway beam by the slideway bearing pin; Be fixed with jack operating platform and travel(l)ing rest slide rail respectively in the lateral wall upper and lower of right column, the top of diagonal brace links to each other with the right-hand member bottom of slipway beam by diagonal brace ejector pin axle, the bottom of diagonal brace links to each other with right column by bearing pin at the bottom of the diagonal brace, right-hand member bottom at the support main skid is fixed with slideway lifting hanger, on slideway lifting hanger, top sheave is installed, be fixed with diagonal brace lifting hanger on the top, bottom of diagonal brace, on diagonal brace lifting hanger, lower sheave is installed, by slideway lifting hanger, top sheave, diagonal brace lifting hanger, lower sheave, the jack operating platform, travel(l)ing rest slide rail and the hoist engine that is installed on the king-tower cushion cap are formed Hoisting System jointly.
Left column, right column, upward stull, lower brace, slipway beam and diagonal brace are box-structure.
The utility model by slipway beam, support main skid, left column, right column, go up stull, lower brace, Hoisting System and to drawing cone to form, slipway beam links to each other with the support main skid by the slideway bearing pin, promoting back in place deposits and top pushing platform as the case beam, diagonal brace links to each other with slipway beam by the diagonal brace bearing pin, it is the main support structure of travel(l)ing rest, slipway beam and diagonal brace laterally all adopt flat connection to be connected, formation rock-steady structure, the lifting of travel(l)ing rest and transfer by this cover system and finish; Stull and column all adopt box-structure, are the support force transferring structures of travel(l)ing rest, and the load on the travel(l)ing rest is reached king-tower lower transverse beam and steel pipe post; To the vertebral pulling body is the centrum of adopting template in the king-tower climbing formwork for construction, is used for the anchoring stull.Therefore, the utlity model has and to assist the constant amplitude girder erection crane to set up king-tower district a plurality of sections steel case beam, solve the constant amplitude girder erection crane beam section is lifted problem, novel structure, stressed clear and definite advantage to the support, it has saved large-scale floating crane equipment and input, need not dredging, travel(l)ing rest can reuse between each tower pier, and favorable economic benefit and social benefit are arranged.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of king-tower cushion cap.
The specific embodiment
Below in conjunction with example and contrast accompanying drawing the utility model is described in further detail.
A kind of auxiliary constant amplitude girder erection crane sets up steel case beam with king-tower district travel(l)ing rest, comprise two vertical left columns placed side by side 11, right column 4 and two horizontal last stulls 5 placed side by side, lower brace 12, left column 11, the bottom of right column 4 all is fixed on the steel pipe post 23 that is installed on king-tower cushion cap 24, last stull 5, the left end of lower brace 12 is by to drawing cone 9 to be fixed on the sidewall of king-tower lower transverse beam 8, left column 11, right column 4 and last stull 5, lower brace 12 is vertical placement and is fixed together, at left column 11, right column 4, be fixed with mutual intersection between last stull 5 and the lower brace 12, be used to form the connecting rod 6 of rock-steady structure, left column 11, the top of right column 4 all is fixed on the bottom, middle part of support main skid 7, the left end of support main skid 7 is placed on the top of king-tower lower transverse beam 8 by cushion block 22, and the right-hand member of support main skid 7 links to each other with the left end of slipway beam 1 by slideway bearing pin 2; Be fixed with jack operating platform 20 and travel(l)ing rest slide rail 13 respectively in the lateral wall upper and lower of right column 4, the top of diagonal brace 16 links to each other with the right-hand member bottom of slipway beam 1 by diagonal brace ejector pin axle 17, the bottom of diagonal brace 16 links to each other with travel(l)ing rest slide rail 13 by bearing pin 14 at the bottom of the diagonal brace, right-hand member bottom at support main skid 7 is fixed with slideway lifting hanger 3, on slideway lifting hanger 3, top sheave 21 is installed, be fixed with diagonal brace lifting hanger 15 on the top, bottom of diagonal brace 16, on diagonal brace lifting hanger 15, lower sheave 18 is installed, by slideway lifting hanger 3, top sheave 21, diagonal brace lifting hanger 15, lower sheave 18, jack operating platform 20, travel(l)ing rest slide rail 13 and the hoist engine 25 that is installed on the king-tower cushion cap 24 are formed Hoisting System jointly.
Left column 11, right column 4, upward stull 5, lower brace 12, slipway beam 1 and diagonal brace 16 are box-structure.
Claims (2)
1. an auxiliary constant amplitude girder erection crane sets up steel case beam with king-tower district travel(l)ing rest, comprise two vertical left columns placed side by side, right column and two horizontal last stulls placed side by side, lower brace, it is characterized in that: left column, the bottom of right column all is fixed on the steel pipe post that is installed on the king-tower cushion cap, last stull, the left end of lower brace is by to drawing cone to be fixed on the sidewall of king-tower lower transverse beam, left column, right column and last stull, lower brace is vertical placement and is fixed together, at left column, right column, be fixed with mutual intersection between last stull and the lower brace, be used to form the connecting rod of rock-steady structure, left column, the top of right column all is fixed on the bottom, middle part of support main skid, the left end of support main skid is placed on the top of king-tower lower transverse beam by cushion block, and the right-hand member of support main skid links to each other with the left end of slipway beam by the slideway bearing pin; Be fixed with jack operating platform and travel(l)ing rest slide rail respectively in the lateral wall upper and lower of right column, the top of diagonal brace links to each other with the right-hand member bottom of slipway beam by diagonal brace ejector pin axle, the bottom of diagonal brace links to each other with the travel(l)ing rest slide rail by bearing pin at the bottom of the diagonal brace, right-hand member bottom at the support main skid is fixed with slideway lifting hanger, on slideway lifting hanger, top sheave is installed, be fixed with diagonal brace lifting hanger on the top, bottom of diagonal brace, on diagonal brace lifting hanger, lower sheave is installed, by slideway lifting hanger, top sheave, diagonal brace lifting hanger, lower sheave, the jack operating platform, travel(l)ing rest slide rail and the hoist engine that is installed on the king-tower cushion cap are formed Hoisting System jointly.
2. auxiliary constant amplitude girder erection crane as claimed in claim 1 sets up steel case beam with king-tower district travel(l)ing rest, it is characterized in that: left column, right column, go up stull, lower brace, slipway beam and diagonal brace and be box-structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120013894XU CN201943006U (en) | 2011-01-18 | 2011-01-18 | Main tower zone movable bracket for assisting non-variable amplitude girder erecting crane to erect steel box girders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120013894XU CN201943006U (en) | 2011-01-18 | 2011-01-18 | Main tower zone movable bracket for assisting non-variable amplitude girder erecting crane to erect steel box girders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201943006U true CN201943006U (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120013894XU Expired - Fee Related CN201943006U (en) | 2011-01-18 | 2011-01-18 | Main tower zone movable bracket for assisting non-variable amplitude girder erecting crane to erect steel box girders |
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|---|---|
| CN (1) | CN201943006U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134832A (en) * | 2011-01-18 | 2011-07-27 | 中铁大桥局集团第五工程有限公司 | Movable support and movable support assisted method for erecting steel box beams through non-variable amplitude frame beam crane |
| CN113802461A (en) * | 2021-09-27 | 2021-12-17 | 中铁广州工程局集团有限公司 | Steel box girder erection method |
| CN116027160A (en) * | 2023-02-24 | 2023-04-28 | 中交第一航务工程局有限公司 | Track plate insulation detection device and method |
-
2011
- 2011-01-18 CN CN201120013894XU patent/CN201943006U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134832A (en) * | 2011-01-18 | 2011-07-27 | 中铁大桥局集团第五工程有限公司 | Movable support and movable support assisted method for erecting steel box beams through non-variable amplitude frame beam crane |
| CN102134832B (en) * | 2011-01-18 | 2012-11-21 | 中铁大桥局集团第五工程有限公司 | Movable support and movable support assisted method for erecting steel box beams through non-variable amplitude frame beam crane |
| CN113802461A (en) * | 2021-09-27 | 2021-12-17 | 中铁广州工程局集团有限公司 | Steel box girder erection method |
| CN113802461B (en) * | 2021-09-27 | 2024-03-19 | 中铁广州工程局集团有限公司 | Steel box girder erection method |
| CN116027160A (en) * | 2023-02-24 | 2023-04-28 | 中交第一航务工程局有限公司 | Track plate insulation detection device and method |
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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: 20110824 Termination date: 20200118 |