CN103669229B - A kind of device preventing bow member from turning on one's side in heave - Google Patents
A kind of device preventing bow member from turning on one's side in heave Download PDFInfo
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- CN103669229B CN103669229B CN201410002753.6A CN201410002753A CN103669229B CN 103669229 B CN103669229 B CN 103669229B CN 201410002753 A CN201410002753 A CN 201410002753A CN 103669229 B CN103669229 B CN 103669229B
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- arch rib
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- turning
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Abstract
The invention discloses a kind of device preventing bow member from turning on one's side in heave, fix bottom the supporting leg of the support of its scaffold on i iron, supported by three-dimensional jack bottom i iron, three-dimensional jack is placed on the workbench of the walking dolly of the track movement be positioned at above dilatory runway again, arrange light target respectively in corresponding position, eight ends, arch rib front and back end, total powerstation is for measuring eight, arch rib front and back end end coordinate.Described device, arch rib because of both sides displacement is inconsistent or cause because the one-sided deflection of support is excessive total station survey to the longitudinal coordinate of arch rib rear ends relevant position or vertical coordinate inconsistent time, i iron is driven to carry support by three-dimensional jack and arch rib moves, or increase the intensity of support, make arch rib end coordinate again consistent, avoid arch bridge and riding, thus avoid bow member and support to tow in heeling condition, prevent the rollover therefore caused.
Description
Technical field
The present invention relates to the erection technique of steel tube arch bridge arch center, particularly a kind of device preventing bow member from turning on one's side in heave.
Background technology
During the construction of field, long-span steel pipe arch bridge spanning existing railway junction, limit by the requirement of railway electrification safety regulation and railway operation condition, large-scale hoisting machinery equipment cannot be moved into.Be so limited, when construction steel pipe arch bridge, we have employed and build dilatory runway, and in dilatory runway end erection bracket, be fixed on support by bow member lifting, the arch rib then lifted end carries it by support along dilatory runway and moves method in place.But this kind of method brings again new problem, its support along dilatory runway movement and arch rib, overall weight is very big, once there is deflection in moving process, will have the possibility of rollover, and therefore may cause construction accident.Therefore, a kind of device that can prevent arch rib from occurring to turn on one's side in dilatory moving process is found very necessary.
Summary of the invention
The present invention is intended to provide a kind of bow member that can prevent and the structure of turning on one's side occurs in heave, to ensure the safety of bow member hauling construction.
The device preventing bow member from turning on one's side in heave of the present invention, comprise the support of scaffold, support arranges four supporting legs respectively in the position of two side launching noses, supporting leg divides two groups, front and back, be individually fixed on former and later two i iron of bottom, bottom i iron, two ends respectively arrange a three-dimensional jack, are supported from two ends by three-dimensional jack to i iron, and longitudinal direction, transverse direction and vertical direction move respectively can to drive i iron two ends; Four three-dimensional jack are all placed on the workbench of walking dolly, and walking dolly is then placed on the track above dilatory runway; The described device preventing bow member from turning on one's side in heave also comprises the total powerstation for measuring eight the end coordinates in arch rib front and back end, is respectively arranged with the light target coordinating total station survey to use in corresponding position, eight ends, arch rib front and back end.
The device preventing bow member from turning on one's side in heave of the present invention, after frame bottom four legs are connected by i iron between two, then is placed on four walking dollies by four three-dimensional jack supports.When arch rib to cause because both sides displacement is inconsistent total station survey to the longitudinal coordinate of arch rib rear ends relevant position or vertical coordinate inconsistent time, drive each i iron to carry support by three-dimensional jack and arch rib moves, be adjusted to consistent; Crooked support is avoided to be continued to be drawn and move ahead and result in bow member and support is turned on one's side.When arch rib to cause total station survey inconsistent to the vertical coordinate of arch rib rear ends relevant position because the one-sided deflection of support is excessive, the intensity of support can be increased, the deflection of support is reduced, thus make the vertical coordinate in arch rib end consistent, avoid arch bridge and riding, thus avoid bow member and support to tow in heeling condition, prevent the rollover therefore caused.
Bottom bow member moving track, reinforcement structure can be set, described reinforcement structure comprises upper and lower two parallel steel plates, side by side near the multiple i iron of installation between two parallel steel plates, the upper and lower surface of i iron connects firmly respectively at two parallel steel plates, and the outer rim of two parallel steel plates is connected by bolt screw rod again; Bow member moving track is positioned at the top of upper steel plate, comprises the stop limit of the smooth guide pass in middle part and guide pass both sides.Stopping that the outside on limit can arrange deep floor.By arranging above-mentioned reinforcement structure, significantly can promote the support strength of nose girder to the running gear above it, three-dimensional jack, support and arch rib, the support post reduced bottom nose girder and nose girder supports the deflection that they produce, thus minimizing is inconsistent because nose girder and column distortion result in the vertical coordinate in arch rib end, also get final product the probability of the vertical inclination of less generation, thus further prevent the rollover of arch rib and support.
Accompanying drawing explanation
Fig. 1 is the installment state schematic diagram of the device preventing bow member from turning on one's side in heave of the present invention;
The lateral view of Fig. 2 Fig. 1;
Fig. 3 is the partial enlarged drawing of Fig. 1.
Detailed description of the invention
A kind of device preventing bow member from turning on one's side in heave, as Fig. 1-3, comprise the support 1 of scaffold, support arranges four supporting legs 2 respectively in the position of two side launching noses, supporting leg divides two groups, front and back, and be individually fixed on former and later two i iron 3 of bottom, bottom i iron, two ends respectively arrange a three-dimensional jack 4, supported i iron from two ends by three-dimensional jack, longitudinal direction, transverse direction and vertical direction move respectively can to drive i iron two ends; Four three-dimensional jack are all placed on the workbench 6 of walking dolly 5, and walking dolly is then placed on the track 8 above dilatory runway 7; The described device preventing bow member from turning on one's side in heave also comprises the total powerstation for measuring eight the end coordinates in arch rib front and back end, is respectively arranged with the light target coordinating total station survey to use in corresponding position, eight ends, arch rib front and back end.
Bottom bow member moving track, reinforcement structure can be set, described reinforcement structure comprises upper and lower two parallel steel plates, side by side near the multiple i iron of installation between two parallel steel plates, the upper and lower surface of i iron connects firmly with two parallel steel plates respectively, and the outer rim of two parallel steel plates is connected by bolt screw rod again; Bow member moving track is positioned at the top of upper steel plate, comprises the stop limit of the smooth guide pass in middle part and guide pass both sides.
Claims (3)
1. the device preventing bow member from turning on one's side in heave, comprise the support of scaffold, support arranges four supporting legs respectively in the position of two side launching noses, it is characterized in that: supporting leg divides two groups, front and back, be individually fixed on former and later two i iron of bottom, bottom i iron, two ends respectively arrange a three-dimensional jack, are supported from two ends by three-dimensional jack to i iron, and longitudinal direction, transverse direction and vertical direction move respectively can to drive i iron two ends; Four three-dimensional jack are all placed on the workbench of walking dolly, and walking dolly is then placed on the track above dilatory runway; The described device preventing bow member from turning on one's side in heave also comprises the total powerstation for measuring eight the end coordinates in arch rib front and back end, is respectively arranged with the light target coordinating total station survey to use in corresponding position, eight ends, arch rib front and back end.
2. the device preventing bow member from turning on one's side in heave according to claim 1, it is characterized in that: rail base arranges reinforcement structure, described reinforcement structure comprises upper and lower two parallel steel plates, side by side near the multiple i iron of installation between two parallel steel plates, the upper and lower surface of i iron connects firmly with two parallel steel plates respectively, and the outer rim of two parallel steel plates is connected by bolt screw rod again.
3. the device preventing bow member from turning on one's side in heave according to claim 2, is characterized in that: track is positioned at the top of upper steel plate, comprises the stop limit of the smooth guide pass in middle part and guide pass both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002753.6A CN103669229B (en) | 2014-01-04 | 2014-01-04 | A kind of device preventing bow member from turning on one's side in heave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002753.6A CN103669229B (en) | 2014-01-04 | 2014-01-04 | A kind of device preventing bow member from turning on one's side in heave |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103669229A CN103669229A (en) | 2014-03-26 |
| CN103669229B true CN103669229B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410002753.6A Active CN103669229B (en) | 2014-01-04 | 2014-01-04 | A kind of device preventing bow member from turning on one's side in heave |
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| CN (1) | CN103669229B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869112B (en) * | 2017-11-17 | 2023-10-31 | 中铁重工有限公司 | Traction system and method for bridge with large curvature radius |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09250110A (en) * | 1996-03-15 | 1997-09-22 | Okabe Co Ltd | Construction method of arch concrete |
| JP2000045231A (en) * | 1998-07-30 | 2000-02-15 | Taisei Corp | Erection method for arch bridge |
| CN101009238A (en) * | 2006-01-24 | 2007-08-01 | 先进科技新加坡有限公司 | Gantry positioning system |
| CN102425140A (en) * | 2011-08-31 | 2012-04-25 | 长江勘测规划设计研究有限责任公司 | Special mobile support frame for high-altitude arch closing and construction method thereof |
| CN102518045A (en) * | 2011-12-28 | 2012-06-27 | 中铁大桥局股份有限公司 | Arch rib embedded section installing and positioning support and adjusting and positioning method thereof |
| CN202865707U (en) * | 2012-09-07 | 2013-04-10 | 中铁二十五局集团第二工程有限公司 | Equipment for erecting and constructing beam and vertical beam on existing line |
| CN103470274A (en) * | 2013-09-17 | 2013-12-25 | 中国神华能源股份有限公司 | Installation construction method of tunnel arch frame |
-
2014
- 2014-01-04 CN CN201410002753.6A patent/CN103669229B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09250110A (en) * | 1996-03-15 | 1997-09-22 | Okabe Co Ltd | Construction method of arch concrete |
| JP2000045231A (en) * | 1998-07-30 | 2000-02-15 | Taisei Corp | Erection method for arch bridge |
| CN101009238A (en) * | 2006-01-24 | 2007-08-01 | 先进科技新加坡有限公司 | Gantry positioning system |
| CN102425140A (en) * | 2011-08-31 | 2012-04-25 | 长江勘测规划设计研究有限责任公司 | Special mobile support frame for high-altitude arch closing and construction method thereof |
| CN102518045A (en) * | 2011-12-28 | 2012-06-27 | 中铁大桥局股份有限公司 | Arch rib embedded section installing and positioning support and adjusting and positioning method thereof |
| CN202865707U (en) * | 2012-09-07 | 2013-04-10 | 中铁二十五局集团第二工程有限公司 | Equipment for erecting and constructing beam and vertical beam on existing line |
| CN103470274A (en) * | 2013-09-17 | 2013-12-25 | 中国神华能源股份有限公司 | Installation construction method of tunnel arch frame |
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| CN103669229A (en) | 2014-03-26 |
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Owner name: CHINA RAILWAY 25TH BUREAU GROUP CO., LTD. THE FORT Free format text: FORMER OWNER: CHINA RAILWAY 25TH BUREAU GROUP CO., LTD. Effective date: 20150309 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20150309 Address after: 421002 Hunan province Hengyang Lequn Zhuhui District, No. 166 Applicant after: The 2nd Engineering Co., Ltd. of China Railway 25th Bureau Group Applicant after: China Railway 25th Bureau Group Co., Ltd. Applicant after: The forth Survey and Design Institute (Group) Co., Ltd. Of CRCC Address before: 421002 Hunan province Hengyang Lequn Zhuhui District, No. 166 Applicant before: The 2nd Engineering Co., Ltd. of China Railway 25th Bureau Group Applicant before: China Railway 25th Bureau Group Co., Ltd. |
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