CN104088225B - Bridge large-span steel hanging basket and installation method thereof - Google Patents
Bridge large-span steel hanging basket and installation method thereof Download PDFInfo
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- CN104088225B CN104088225B CN201410303143.XA CN201410303143A CN104088225B CN 104088225 B CN104088225 B CN 104088225B CN 201410303143 A CN201410303143 A CN 201410303143A CN 104088225 B CN104088225 B CN 104088225B
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- hanging basket
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- suspender belt
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Abstract
A kind of bridge large-span steel hanging basket, the girder being longitudinally arranged it is provided with bottom hanging basket, girder is provided with the polylith girder connecting plate of lateral arrangement, girder connecting plate is provided with spreader beam, spreader beam is provided with polylith bamboo springboard, the both sides, top of hanging basket are provided with guardrail, and the two ends of girder are provided with lifting eye; Hanging basket is connected by suspender belt and the chamber bottom bridge are fixing. The installation method of a kind of above-mentioned bridge large-span steel hanging basket, comprises the following steps: one, connected the lifting eye of hanging basket by steel wire rope with boom hoisting at the bridge floor of bridge, lifting hanging basket is to chamber; Two, workmen is in chamber and on hanging basket, is connected chamber and hanging basket by suspender belt, and is anchored by suspender belt by spacing beam; Three, boom hoisting is removed; The installation of large-span steel hanging basket is realized by above-mentioned steps. Instant invention overcomes the technical difficulty that Longspan Bridge is difficult to construct, safety coefficient is high, and can cover tunneling boring construction, and job area is wider.
Description
Technical field
The present invention relates to field of bridge construction, particularly a kind of bridge large-span steel hanging basket and installation method thereof.
Background technology
Although driven hanging basket used by current domestic bridge decorative engineering has simple to operate, safe and reliable, reduced investment, efficiency high, but waits limiting factors for some specific execution conditions owing to its span is little, it is difficult to meet the requirement of execution conditions. Such as certain bridge is double width bridge, its cross section such as Fig. 1, shown in 2, full width width 30.5m, 2cm seam width is set in the middle of two width, and alternative maximum 15m of driven hanging basket span in prior art, being difficult to meet construction requirement, and this driven hanging basket is by the impact of bridge floor marble railing, mobile difficulty causes that operation covering radius is limited.
Summary of the invention
The technical problem to be solved is to provide a kind of bridge large-span steel hanging basket and installation method thereof, it is possible to being suitable for the decoration construction of wider bridge, and be easy to processing, install, construction cost is low.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: a kind of bridge large-span steel hanging basket, the girder being longitudinally arranged it is provided with bottom hanging basket, girder is by a plurality of parallel I-steel, and adopting polylith girder connecting plate to connect, girder is provided with spreader beam, and spreader beam is provided with polylith bamboo springboard, the both sides, top of hanging basket are provided with guardrail, and the two ends of girder are provided with lifting eye;
Hanging basket is connected by suspender belt is fixing with the chamber base plate of bridge.
The structure of described girder employing Two bors d's oeuveres I-steel, two longitudinal I-steel are connected by strengthening steel plate and carry out the splicing connection of web.
Suspender belt one end is connected through chamber base plate with spacing beam, and the other end of suspender belt is connected with spacing beam through the Two bors d's oeuveres I-steel of girder.
In described spacing beam, two channel-section steels are arranged back-to-back, and the upper and lower surface of two channel-section steels is connected by multichip connection plate, and the spacing between two channel-section steels is enough to make suspender belt traverse, is provided with suspender belt hole in the middle part of spacing beam.
Protection network it is additionally provided with outside guardrail.
The installation method of a kind of above-mentioned bridge large-span steel hanging basket, comprises the following steps:
One, connected the lifting eye of hanging basket by steel wire rope with boom hoisting at the bridge floor of bridge, lifting hanging basket is to chamber;
Two, workmen is in chamber and on hanging basket, is connected chamber and hanging basket by suspender belt, and is anchored by suspender belt by spacing beam;
Three, boom hoisting is removed;
The installation of large-span steel hanging basket is realized by above-mentioned steps.
Described suspender belt is at least four.
Described boom hoisting is two truck cranes.
Suspender belt is that the suspender belt hole left over is connected with chamber through chamber Hanging Basket cantilever pouring, after one section of decoration construction completes, by boom hoisting, hanging basket moves to the suspender belt hole that next row is left over.
A kind of bridge large-span steel hanging basket provided by the invention and installation method thereof, by adopting special steel construction hanging basket, overcome the technical difficulty that Longspan Bridge is difficult to construct, owing to main Surveillance of Continuous Beam all leaves over suspender belt hole in each stage of Hanging Basket cantilever pouring, essentially every 4m has 1 row's embedded hole, therefore the steel construction Hanging Basket in the present invention can from 1 row's preformed hole to next row preformed hole under the radius of turn of crane, and often move and arrange the preformed hole suspender belt that just use finish rolling steel is made to 1 hanging basket is anchored, so hanging basket safety coefficient is high, and tunneling boring construction can be covered, job area is wider. the present invention is easy to processing, is installed, and construction cost is low.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the structural representation lifting by crane hanging basket in the present invention.
Fig. 2 is the structural representation that in the present invention, suspender belt connects hanging basket.
Fig. 3 is the structural representation of the hanging basket in the present invention after installation.
Fig. 4 is the structural representation of hanging basket in the present invention.
Fig. 5 is the schematic side view of hanging basket in the present invention.
Fig. 6 is the partial enlarged drawing at B place in Fig. 5.
Fig. 7 is the partial schematic diagram of middle girder termination of the present invention connecting portion.
Fig. 8 is the partial enlarged drawing of the spacing beam in B place in Fig. 4.
Fig. 9 is the schematic front view of spacing beam in the present invention.
Figure 10 is the schematic top plan view of spacing beam in the present invention.
Hanging basket 1, lifting eye 11, girder 12, girder connecting plate 13, strengthen steel plate 14, spreader beam 15, bamboo springboard 16, guardrail 17, boom hoisting 2, bridge 3, steel wire rope 4, chamber 5, suspender belt 6, spacing beam 7, suspender belt hole 71, channel-section steel 72, gusset 73, connecting plate 74.
Detailed description of the invention
Embodiment 1:
In Fig. 3～10, a kind of bridge large-span steel hanging basket, the girder 12 being longitudinally arranged it is provided with bottom hanging basket 1, girder 12 is by a plurality of parallel I-steel, and adopting polylith girder connecting plate 13 to connect, girder 12 is provided with spreader beam 15, and spreader beam 15 is provided with polylith bamboo springboard 16, the both sides, top of hanging basket 1 are provided with guardrail 17, and the two ends of girder 12 are provided with lifting eye 11;
Hanging basket 1 is connected by suspender belt 6 is fixing with chamber 5 base plate of bridge 3.
Preferred structure such as Fig. 6, shown in 7, described girder 12 adopts the structure of Two bors d's oeuveres I-steel, and two I-steel longitudinal in Fig. 7 are connected by strengthening steel plate 14 to carry out the splicing of web and connect. This is owing to not having so huge shaped steel at present on the market, therefore adopts the Two bors d's oeuveres 45c I-steel splicing of 2 17m length to connect, and welding position adopts 700mm × 380mm × 10mm steel plate full weld to strengthen.
Preferred structure such as Fig. 3, shown in 4, suspender belt 6 one end is connected through chamber 5 base plate with spacing beam 7, and the other end of suspender belt 6 is connected with spacing beam 7 through the Two bors d's oeuveres I-steel of girder 12. Described suspender belt 6 adopts Φ 25mm fining twisted steel to make.
Preferred structure is such as shown in Fig. 8～10, and in described spacing beam 7, two channel-section steels are arranged back-to-back, and the upper and lower surface of two channel-section steels is connected by multichip connection plate 74, and the spacing between two channel-section steels is enough to make suspender belt 6 traverse, is provided with suspender belt hole 71 in the middle part of spacing beam 7.
It is additionally provided with protection network outside guardrail 17.
Embodiment 2:
The installation method of a kind of above-mentioned bridge large-span steel hanging basket, comprises the following steps:
One, the lifting eye 11 of hanging basket 1 is connected by steel wire rope 4 with boom hoisting 2 at the bridge floor of bridge 3, below lifting hanging basket 1 to chamber 5; In this example, described boom hoisting 2 is two truck cranes. Now steel construction hanging basket 1 is only limited by self gravitation effect load. As shown in Figure 1.
Two, workmen is in chamber 5 and on hanging basket 1, is connected chamber 5 and hanging basket 1 by suspender belt 6, and is anchored by suspender belt 6 by spacing beam 7; Suspender belt 6 is that the suspender belt hole left over is connected with chamber 5 through chamber 5 Hanging Basket cantilever pouring, as shown in Figure 2.
Three, remove boom hoisting 2, make hanging basket 1 be pricked, by essence, suspender belt 6 stress that screw-thread steel is made completely, now manually can enter hanging basket and carry out beam body base plate decoration construction; As shown in Figure 3. Preferably, described suspender belt 6 is at least four.
The installation of large-span steel hanging basket is realized by above-mentioned steps.
After one section of decoration construction completes, by boom hoisting 2, hanging basket 1 moved to the suspender belt hole that next row is left over.
The present invention is through adopting MidasCivil space finite element program under three kinds of above-mentioned Construction States, namely lifting by crane the main bearing beam under state, anchoring status, normal construction state and be modeled checking computations, safety and the reasonability of checking structure comply fully with construction requirement.
Claims (5)
1. a bridge large-span steel hanging basket, it is characterized in that: hanging basket (1) bottom is provided with the girder (12) being longitudinally arranged, girder (12) is made up of a plurality of parallel I-steel, and adopt polylith girder connecting plate (13) to connect, girder (12) is provided with spreader beam (15), spreader beam (15) is provided with polylith bamboo springboard (16), and the both sides, top of hanging basket (1) are provided with guardrail (17), and the two ends of girder (12) are provided with lifting eye (11);
Hanging basket (1) is connected by least four suspender belts (6) are fixing with chamber (5) base plate of bridge (3);
The structure of described girder (12) employing Two bors d's oeuveres I-steel, two longitudinal I-steel are connected by strengthening steel plate (14) and carry out the splicing connection of web;
Suspender belt (6) one end is connected through chamber (5) base plate with spacing beam (7), and the other end of suspender belt (6) is connected with spacing beam (7) through the Two bors d's oeuveres I-steel of girder (12); In described spacing beam (7), two channel-section steels are arranged back-to-back, and the upper and lower surface of two channel-section steels is connected by multichip connection plate (74), and the spacing between two channel-section steels is enough to make suspender belt (6) traverse, and spacing beam (7) middle part is provided with suspender belt hole (71).
2. a kind of bridge large-span steel hanging basket according to claim 1, is characterized in that: guardrail is additionally provided with protection network outside (17).
3. the installation method for large-span steel hanging basket of the bridge described in any one of claim 1～2, is characterized in that comprising the following steps:
One, connected the lifting eye (11) of hanging basket (1) by steel wire rope (4) with boom hoisting (2) at the bridge floor of bridge (3), lifting hanging basket (1) is to chamber (5) lower section;
Two, workmen is in chamber (5) and on hanging basket (1), is connected chamber (5) and hanging basket (1) by suspender belt (6), and is anchored by suspender belt (6) by spacing beam (7);
Three, boom hoisting (2) is removed;
The installation of large-span steel hanging basket is realized by above-mentioned steps.
4. the installation method of a kind of bridge large-span steel hanging basket according to claim 3, is characterized in that: described boom hoisting (2) is two truck cranes.
5. the installation method of a kind of bridge large-span steel hanging basket according to claim 3, it is characterized in that: the suspender belt hole that suspender belt (6) is left over through chamber (5) base plate Hanging Basket cantilever pouring is connected with chamber (5), after one section of decoration construction completes, by boom hoisting (2), hanging basket (1) is moved to the suspender belt hole that next row is left over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410303143.XA CN104088225B (en) | 2014-06-30 | 2014-06-30 | Bridge large-span steel hanging basket and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410303143.XA CN104088225B (en) | 2014-06-30 | 2014-06-30 | Bridge large-span steel hanging basket and installation method thereof |
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| Publication Number | Publication Date |
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| CN104088225A CN104088225A (en) | 2014-10-08 |
| CN104088225B true CN104088225B (en) | 2016-06-15 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005330693A (en) * | 2004-05-19 | 2005-12-02 | Jfe Engineering Kk | Working device and method for inspection and repair of steel structure |
| JP2007113348A (en) * | 2005-10-24 | 2007-05-10 | Yoneyama Kogyo Kk | Movable suspension-type scaffold device and construction method of movable suspension type scaffold |
| CN102009929A (en) * | 2010-11-11 | 2011-04-13 | 江苏百崮钢结构工程有限公司 | Movably-assembled anti-collision bridge wall construction hanging basket |
| CN102121235A (en) * | 2010-12-17 | 2011-07-13 | 杭州市市政工程集团有限公司 | Operating platform device moving at bottom of bridge |
| CN102733321A (en) * | 2012-07-17 | 2012-10-17 | 北京市公路桥梁建设集团有限公司 | Suspension bracket system for existing bridge reinforcing and building method of suspension bracket system |
| CN202530375U (en) * | 2012-05-07 | 2012-11-14 | 中铁十局集团建筑工程有限公司 | Basket trolley for bridge body construction |
| CN204000621U (en) * | 2014-06-30 | 2014-12-10 | 葛洲坝集团电力有限责任公司 | Bridge large-span steel hanging basket |
-
2014
- 2014-06-30 CN CN201410303143.XA patent/CN104088225B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005330693A (en) * | 2004-05-19 | 2005-12-02 | Jfe Engineering Kk | Working device and method for inspection and repair of steel structure |
| JP2007113348A (en) * | 2005-10-24 | 2007-05-10 | Yoneyama Kogyo Kk | Movable suspension-type scaffold device and construction method of movable suspension type scaffold |
| CN102009929A (en) * | 2010-11-11 | 2011-04-13 | 江苏百崮钢结构工程有限公司 | Movably-assembled anti-collision bridge wall construction hanging basket |
| CN102121235A (en) * | 2010-12-17 | 2011-07-13 | 杭州市市政工程集团有限公司 | Operating platform device moving at bottom of bridge |
| CN202530375U (en) * | 2012-05-07 | 2012-11-14 | 中铁十局集团建筑工程有限公司 | Basket trolley for bridge body construction |
| CN102733321A (en) * | 2012-07-17 | 2012-10-17 | 北京市公路桥梁建设集团有限公司 | Suspension bracket system for existing bridge reinforcing and building method of suspension bracket system |
| CN204000621U (en) * | 2014-06-30 | 2014-12-10 | 葛洲坝集团电力有限责任公司 | Bridge large-span steel hanging basket |
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| CN104088225A (en) | 2014-10-08 |
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