CN104532747A - Manual single-point synchronous traction equipment and method of chain hoist - Google Patents
Manual single-point synchronous traction equipment and method of chain hoist Download PDFInfo
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- CN104532747A CN104532747A CN201410776409.2A CN201410776409A CN104532747A CN 104532747 A CN104532747 A CN 104532747A CN 201410776409 A CN201410776409 A CN 201410776409A CN 104532747 A CN104532747 A CN 104532747A
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- wire rope
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- rotating disk
- traction
- pulley
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/08—Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention provides manual single-point synchronous traction equipment and method of a chain hoist, which are applicable to a bridge swivel construction traction process. Traction force of one section of a steel wire rope is swerved by a swerving effect of a fixed pulley and then is combined with the other section of the steel wire rope, so that two-point traction at the two ends of a common rotary table is converted into single-point traction; the aims that traction is synchronous, the two ends are commonly stressed and the size of the traction force is consistent are realized. The method equipment has a simple structure and is portable; the aim that the transportation is convenient can be realized under the condition that the construction condition is limited, the construction measure cost is greatly saved and the total engineering cost is reduced.
Description
Technical field
The invention belongs to technical field of bridge construction, be specifically related to the chain block artificial single-point sync pulling equipment in a kind of Bridge Rotation Construction Technique and engineering method.
Background technology
Bridge Rotation Construction Technique refers to by bridge construction after non-design axial location makes shaping, by a kind of construction method in place of turning.Rotator construction is compared with the construction technology such as free cantilever erection, cantilever pouring, cast-in-situ in the past, have do not disturb traffic, uninterrupted navigation, can across zanjon, river, traffic road frequently, and construction fast, the advantage such as economic benefit is high, it is adopted more and more widely in bridge construction.Bridge Rotation Construction Technique, according to rotation direction, can be divided into the construction method that vertical turn method, level swing method and vertical transfer combine with flat turn.
Wherein, level swing method a kind ofly uses more method, and in level swing method, tractive force needs the couple of a pair symmetry, and these two power sizes need be consistent when drawing.At present, large bridge is turned in traction at home, and have employed hydraulic jack sync pulling control technology can address this problem well.But, existing railway line be located in remote, have inconvenient traffic, narrow space, large-scale plant is just difficult to march into the arena.And pedestrian overcrossing rotational structure weight little (generally within 1000t), general tractive force design load, within 20t, also there is no need to adopt large hydraulic pulling equipment.
Summary of the invention
For above-mentioned deficiency, the first object of the present invention is to provide a kind of sync pulling equipment of miniaturization, guarantees can also conveniently transport when execution conditions are limited, and can save working measure expense, reduces construction costs.
The second object of the present invention is to provide a kind of sync pulling engineering method in Bridge Rotation Construction Technique, keeps rotating disk two ends tractive force in the same size and the object that can realize sync pulling to reach.
First object of the present invention is realized by following technical proposals:
A kind of chain block artificial single-point sync pulling equipment, comprise rotating disk, wire rope, concrete anchor pile, fixed pulley, pulley and chain block, the A section of described wire rope clockwise or wrapped anti-clockwise on rotating disk, the B section of wire rope and the A section of wire rope are wrapped on rotating disk in the same way, described fixed pulley is fixed on concrete anchor pile, the A section of described wire rope changes lead through fixed pulley, the B section of described wire rope links together with the A section of wire rope through after pulley, the A section of described wire rope is through the wire rope be parallel to after fixed pulley pulley and rotating disk, one end of described pulley is connected on concrete anchor pile by chain block.
Further, the A of described rotating disk end and B holds and arrange one respectively and draw draw ring, the traction draw ring that the A section of described wire rope is held through rotating disk A, and the B section of described wire rope passes the traction draw ring of rotating disk B end.When dial rotation, traction draw ring can play a guide effect to the A section of wire rope and B section.
Further, between the concrete anchor pile of described chain block and its mounting, be also connected with tensiometer, for reading the size of tractive force.
Further, the A section of described wire rope and the B section of wire rope are linked together by U-bolt.It is tightr that U-bolt can allow the A section of wire rope be connected with B section.
Further, described fixed pulley is 2, is separately fixed on a concrete anchor pile.
Second object of the present invention is realized by following technical proposals:
A kind of chain block artificial single-point sync pulling engineering method, comprises the following steps:
(1) if dial rotation direction is clockwise, then the A section wound clockwise of wire rope is on rotating disk, the B section of wire rope also wound clockwise on rotating disk; If dial rotation direction is counterclockwise, then the A section wrapped anti-clockwise of wire rope is on rotating disk, the B section of wire rope also wrapped anti-clockwise on rotating disk;
(2) two concrete anchor piles are set in rotating disk side, and each concrete anchor pile fixes a fixed pulley, for changing the tractive force direction of the A section of wire rope, at rotating disk opposite side, a concrete anchor pile is set, concrete anchor pile is fixed a link, link mounts tensiometer, the other end mounting chain block of tensiometer, chain block other end mounting pulley;
(3) hold with B at the A end of rotating disk and arrange one respectively and draw draw ring, after the traction draw ring A section of wire rope held through rotating disk A, then pass the fixed pulley on two concrete anchor piles, the tractive force direction of the A section of change wire rope;
(4) the B section of wire rope is passed pulley again through after the traction draw ring of rotating disk B end, be fixed together with the A section U-bolt of wire rope, now, wire rope A section, through after second fixed pulley, is parallel to the wire rope between rotating disk and pulley;
(5) by artificial hand zip strip cucurbit, drive dial rotation, make the A section of wire rope and B segment sync stressed, and tractive force is in the same size, makes the traction of 2, two ends convert single traction to, thus realizes artificial single-point sync pulling.
The invention has the beneficial effects as follows: this chain block artificial single-point sync pulling engineering method, can guarantee that the tractive force at rotating disk two ends is in the same size, two ends tractive force can be allowed to convert single traction to, realize the object that traction is synchronous.The method is simple to operate simultaneously, is conducive to implementing.This chain block artificial single-point sync pulling equipment, easy to use, also can reach the object of convenient transportation when execution conditions are limited, greatly save working measure expense, reduced project total cost.
Accompanying drawing explanation
Fig. 1 is chain block of the present invention artificial single-point sync pulling layout plan.
Mark in figure, 1 is rotating disk, and 2 is traction draw ring, and 3-1 is the A section of wire rope, and 3-2 is the B section of wire rope, and 4 is concrete anchor pile, and 5 is fixed pulley, and 6 is U-bolt, and 7 is chain block, and 8 is tensiometer, and 9 is pulley.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed.
As shown in Figure 1, a kind of chain block artificial single-point sync pulling equipment, comprise rotating disk 1, traction draw ring 2, the A section 3-1 of wire rope, the B section 3-2 of wire rope, concrete anchor pile 4, fixed pulley 5, U-bolt 6, chain block 7, tensiometer 8 and pulley 9, fixed pulley 5 is fixed on concrete anchor pile 4, traction draw ring 2 is separately positioned on the side a and b of rotating disk 1, tensiometer 8 is connected between concrete anchor pile 4 and chain block 7, and chain block 7 connects pulley 9.
Rotate according to the A section 3-1 of rotation direction determination wire rope of the rotating disk 1 and B section 3-2 of wire rope the winding direction of dish 1, in this enforcement, rotating disk 1 rotation direction is clockwise, the A section 3-1 clockwise direction of then wire rope is wound around, be wound around under the B section 3-2 clockwise direction of wire rope, wherein, the A section 3-1 of wire rope and the number of turns of its B section 3-2 winding are determined by rotating disk 1 edge rotation distance.After the A section 3-1 of wire rope being passed the traction draw ring 2 of rotating disk 1 A end, then change lead through two fixed pulleys 5.After the traction draw ring 2 that the B section of wire rope is held through rotating disk 1B, to tighten with the A section 3-1 U-bolt 6 of wire rope through pulley 9 again and link together, make A, B two sections of wire rope common stressed, thus ensure that the tractive force at the two ends of rotating disk 1 is in the same size, rotating disk 1 is driven to rotate by pulling chain block 7, thus the other end of wire rope will be merged into after the traction steer of wire rope one end, make the traction of 2, turning hinge two ends convert single traction to, achieve the object that artificial single traction is synchronous.
Chain block of the present invention artificial single-point sync pulling engineering method, comprises the following steps:
(1) if dial rotation direction is clockwise, then the A section wound clockwise of wire rope is on rotating disk, the B section of wire rope also wound clockwise on rotating disk; If dial rotation direction is counterclockwise, then the A section wrapped anti-clockwise of wire rope is on rotating disk, the B section of wire rope also wrapped anti-clockwise on rotating disk;
(2) two concrete anchor piles are set in rotating disk side, and each concrete anchor pile fixes a fixed pulley, for changing the tractive force direction of the A section of wire rope, at rotating disk opposite side, a concrete anchor pile is set, concrete anchor pile is fixed a link, link mounts tensiometer, the other end mounting chain block of tensiometer, chain block other end mounting pulley;
(3) hold with B at the A end of rotating disk and arrange one respectively and draw draw ring, after the traction draw ring A section of wire rope held through rotating disk A, then pass the fixed pulley on two concrete anchor piles, the tractive force direction of the A section of change wire rope;
(4) the B section of wire rope is passed pulley again through after the traction draw ring of rotating disk B end, be fixed together with the A section U-bolt of wire rope, now, wire rope A section, through after second fixed pulley, is parallel to the wire rope between rotating disk and pulley;
(5) by artificial hand zip strip cucurbit, drive dial rotation, make the A section of wire rope and B segment sync stressed, and tractive force is in the same size, makes the traction of 2, two ends convert single traction to, thus realizes artificial single-point sync pulling.
Claims (6)
1. chain block artificial single-point sync pulling equipment, it is characterized in that, comprise rotating disk (1), wire rope, concrete anchor pile (4), fixed pulley (5), pulley (9) and chain block (7), the A section (3-1) of described wire rope clockwise or wrapped anti-clockwise on rotating disk (1), the B section (3-2) of wire rope and the A section (3-1) of wire rope are wrapped on rotating disk (1) in the same way, described fixed pulley (5) is fixed on concrete anchor pile (4), the A section (3-1) of described wire rope changes lead through fixed pulley (5), the B section (3-2) of described wire rope links together with the A section (3-1) of wire rope afterwards through pulley (9), the A section (3-1) of described wire rope is through the wire rope be parallel to after fixed pulley (5) pulley (9) and rotating disk (1), one end of described pulley (9) is connected on concrete anchor pile (4) by chain block (7).
2. require the artificial single-point sync pulling of the chain block described in 1 equipment according to power, it is characterized in that, the A end of described rotating disk is held with B and is arranged one respectively and draw draw ring (2), the traction draw ring (2) that the A section (3-1) of described wire rope is held through rotating disk (1) A, the traction draw ring (2) that the B section (3-2) of described wire rope is held through rotating disk (1) B.
3. require the artificial single-point sync pulling of the chain block described in 2 equipment according to power, it is characterized in that, between the concrete anchor pile (4) of described chain block (7) and its mounting, be also connected with tensiometer (8).
4. require the artificial single-point sync pulling of the chain block described in 3 equipment according to power, it is characterized in that, the A section (3-1) of described wire rope and the B section (3-2) of wire rope are linked together by U-bolt (6).
5. require the artificial single-point sync pulling of the chain block described in 1,2,3 or 4 equipment according to power, it is characterized in that, described fixed pulley (5) is 2, is separately fixed on a concrete anchor pile (4).
6. chain block artificial single-point sync pulling engineering method, is characterized in that, comprise the following steps:
(1) if dial rotation direction is clockwise, then the A section wound clockwise of wire rope is on rotating disk, the B section of wire rope also wound clockwise on rotating disk; If dial rotation direction is counterclockwise, then the A section wrapped anti-clockwise of wire rope is on rotating disk, the B section of wire rope also wrapped anti-clockwise on rotating disk;
(2) two concrete anchor piles are set in rotating disk side, and each concrete anchor pile fixes a fixed pulley, for changing the tractive force direction of the A section of wire rope, at rotating disk opposite side, a concrete anchor pile is set, concrete anchor pile is fixed a link, link mounts tensiometer, the other end mounting chain block of tensiometer, chain block other end mounting pulley;
(3) hold with B at the A end of rotating disk and arrange one respectively and draw draw ring, after the traction draw ring A section of wire rope held through rotating disk A, then pass the fixed pulley on two concrete anchor piles, the tractive force direction of the A section of change wire rope;
(4) the B section of wire rope is passed pulley again through after the traction draw ring of rotating disk B end, be fixed together with the A section U-bolt of wire rope, now, the A section of wire rope, through after second fixed pulley, is parallel to the wire rope between rotating disk and pulley;
(5) by artificial hand zip strip cucurbit, drive dial rotation, make the A section of wire rope and B segment sync stressed, and tractive force is in the same size, makes the traction of 2, two ends convert single traction to, thus realizes artificial single-point sync pulling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410776409.2A CN104532747B (en) | 2014-12-17 | 2014-12-17 | Chain block artificial single-point sync pulling equipment and engineering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410776409.2A CN104532747B (en) | 2014-12-17 | 2014-12-17 | Chain block artificial single-point sync pulling equipment and engineering method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104532747A true CN104532747A (en) | 2015-04-22 |
| CN104532747B CN104532747B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410776409.2A Expired - Fee Related CN104532747B (en) | 2014-12-17 | 2014-12-17 | Chain block artificial single-point sync pulling equipment and engineering method |
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| CN (1) | CN104532747B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178044A (en) * | 2017-07-21 | 2017-09-19 | 中铁六局集团有限公司 | A kind of method that I-shaped gooseneck is worn under during jacking bridge and culvert track strengthening |
| CN110144831A (en) * | 2019-06-04 | 2019-08-20 | 中铁三局集团第二工程有限公司 | A kind of rotating method for the swivel structure of continuous beam and for controlling swivel |
| CN110258210A (en) * | 2019-06-18 | 2019-09-20 | 中铁六局集团有限公司 | A kind of track strengthening is with wearing I-steel guide device and its operating method |
| CN114427203A (en) * | 2022-01-27 | 2022-05-03 | 中铁一局集团厦门建设工程有限公司 | Steel beam penetrating device for strengthening top culvert construction route |
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| KR20070104048A (en) * | 2006-04-21 | 2007-10-25 | 홍광용 | Bridge upper plate turning method |
| JP4378440B2 (en) * | 2005-12-16 | 2009-12-09 | 株式会社横河ブリッジ | Rotating device for bridge construction |
| CN202099746U (en) * | 2011-06-01 | 2012-01-04 | 东北林业大学 | Cable-stayed bridge flat hinge rotator construction device for horizontal rotator construction |
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2014
- 2014-12-17 CN CN201410776409.2A patent/CN104532747B/en not_active Expired - Fee Related
Patent Citations (6)
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| 曹文等: "轻型桥梁转体施工专项试验研究", 《铁道建筑》, no. 12, 31 December 2011 (2011-12-31), pages 13 - 15 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178044A (en) * | 2017-07-21 | 2017-09-19 | 中铁六局集团有限公司 | A kind of method that I-shaped gooseneck is worn under during jacking bridge and culvert track strengthening |
| CN110144831A (en) * | 2019-06-04 | 2019-08-20 | 中铁三局集团第二工程有限公司 | A kind of rotating method for the swivel structure of continuous beam and for controlling swivel |
| CN110258210A (en) * | 2019-06-18 | 2019-09-20 | 中铁六局集团有限公司 | A kind of track strengthening is with wearing I-steel guide device and its operating method |
| CN110258210B (en) * | 2019-06-18 | 2024-03-12 | 中铁六局集团有限公司 | I-steel penetrating guide device for line reinforcement and operation method thereof |
| CN114427203A (en) * | 2022-01-27 | 2022-05-03 | 中铁一局集团厦门建设工程有限公司 | Steel beam penetrating device for strengthening top culvert construction route |
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| Publication number | Publication date |
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| CN104532747B (en) | 2016-08-24 |
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