CN106592431A - Construction method for assisting guiding girder type 900-ton bridge girder erection machine to pass girder lifting arch in high position - Google Patents
Construction method for assisting guiding girder type 900-ton bridge girder erection machine to pass girder lifting arch in high position Download PDFInfo
- Publication number
- CN106592431A CN106592431A CN201611053994.9A CN201611053994A CN106592431A CN 106592431 A CN106592431 A CN 106592431A CN 201611053994 A CN201611053994 A CN 201611053994A CN 106592431 A CN106592431 A CN 106592431A
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- Prior art keywords
- girder
- bridge
- rear support
- support leg
- leg
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Classifications
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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
Abstract
The invention belongs to the technical field of construction methods of transition operation of a 900-ton bridge girder erection machine, aims to solve the technical problem of assisting a guiding girder type 900-ton bridge girder erection machine to pass a girder lifting arch smoothly, and provides a construction method for assisting the guiding girder type 900-ton bridge girder erection machine to pass the girder lifting arch in a high position. The construction method comprises the following specific steps of mounting a rear supporting leg to the position of an O-shaped leg, removing the O-shaped leg; hoisting a lower guiding girder by a front hoisting girder bridge crane and an assisting supporting leg; pushing the lower guiding girder to forwards and longitudinally move, and when the lower guiding girder forwards and longitudinally moves to a position of a crown block of the lower guiding girder, synchronously hoisting the lower guiding girder to forwards and longitudinally move to the right position by the front hoisting girder bridge crane and the lower guiding girder crown block; placing the lower guiding girder on a girder surface; jacking the assisting supporting leg to enable a front supporting leg of the bridge girder erection machine to be away from a bridge floor, and enabling a rear supporting leg to drive the bridge girder erection machine to forwards and longitudinally move; and repeating the above steps until the bridge girder erection machine passes the girder lifting arch to reach a bridgehead. According to the construction method disclosed by the invention, the problems that a construction site is not large in area, and time and force are wasted are solved; the operating method is reasonable and simple; the labor intensity is low; the construction is convenient and fast; and the construction efficiency is greatly improved.
Description
Technical field
The invention belongs to 900 tons of Bridge Erector transition operation construction method technical fields, and in particular to a kind of auxiliary nose-girder type
900 tons of Bridge Erector high positions cross the construction method of bale handle arch.
Background technology
900 tons of auxiliary nose-girder type bridging machines are widest construction equipments used in 900 tons of box beam erections of China, and equipment is long
Transport is disassembled apart from adopting during transition, is come into operation after Assembling after place of arrival again（Place length needs 60 meters）；Equipment
Come into operation after end of the bridge is forwarded to using normal erecting beam construction operation during short distance transition.Due to exist wanted bale handle arch, frame
The arch rib that the width of the O-shaped lower limb of bridge machine encircles beyond bale handle, causes Bridge Erector normally short distance transition operation cannot pass through bale handle
Arch, need to adopt and disassemble transport and carry out transition to the long range transition mode of end of the bridge assembling, but after transition again presence the space is insufficient
Greatly（Place length needs 60 meters）And the problem for wasting time and energy, therefore the transition operation of Bridge Erector need to be carried out using particular form.
The content of the invention
The present invention can pass through the technical problem of bale handle arch to solve 900 tons of Bridge Erectors of auxiliary nose-girder type, there is provided
A kind of high-order construction method for crossing bale handle arch of 900 tons of Bridge Erectors of auxiliary nose-girder type.
The technical solution used in the present invention is as follows：
A kind of 900 tons of Bridge Erectors of auxiliary nose-girder type change the outfit, and rear support leg is high-order to cross the construction method that bale handle encircles, and Specific construction step is：
A, last hole beam is set up, rear support leg has been installed to into the O-shaped lower limb position of crane's major girder；
B, the O-shaped lower limb for removing Bridge Erector, Bridge Erector are supported by front leg strut and rear support leg；
C, lower nose girder of being sling by front hanging beam overhead crane and auxiliary leg, promote lower nose girder vertical shift forward by front hanging beam overhead crane；
D, lower nose girder forward vertical shift to lower nose girder front end reach lower nose girder day truck position when, by front hanging beam overhead crane and lower nose girder overhead traveling crane
Vertical shift is in place forward synchronously to hang lower nose girder；
E, lower nose girder is positioned over beam face, jacking auxiliary leg makes the front leg strut of Bridge Erector leave bridge floor, and Bridge Erector is by rear support leg
Support with auxiliary leg；
F, rear support leg drive Bridge Erector vertical shift forward, shrink auxiliary leg, make support of the Bridge Erector in rear support leg and front leg strut
State；
G, repetition C, D, E, F-step, until Bridge Erector is encircleed by bale handle and reaches end of the bridge；
H, lower nose girder front leg strut and lower nose girder rear support leg are positioned on two adjacent bridge piers and are fixed with crane, by front hanging
Beam is driven a vehicle and lower nose girder overhead traveling crane synchronously hangs lower nose girder vertical shift is consolidated in place and with lower nose girder front leg strut and lower nose girder rear support leg forward,
Complete a via action of lower nose girder；
I, Bridge Erector repeat E, F-step, make Bridge Erector complete via action；
J, by the O-shaped lower limb of crane auxiliary mounting deck bridge machine, and remove rear support leg；
K, Bridge Erector repeat C, D step, and the secondary via of lower nose girder in place, set a roof beam in place state, prepares to set a roof beam in place by formation.
The rear support leg includes two columns be arrangeding in parallel, upper pasting board, adjustment section, lower pasting board and crossbeam, between two columns
Horizontal range and Bridge Erector left and right sides girder between horizontal range match, two columns be arrangeding in parallel by crossbeam connect
It is connected together, the top of two columns is respectively provided with pasting board on, together with the upper pasting board is bolted on column, two stand
The lower end of post is respectively provided with an adjustment section and once pasting board, and the adjustment section is arranged between column and lower pasting board, the column, tune
Whole section and lower pasting board are bolted on together.
A width adjustment plate, described width adjustment plate one end are respectively provided between two columns of left and right two ends and left and right of crossbeam
It is connected with column by bolt, the other end is connected with the end of crossbeam by bolt.
A DOCK LEVELER is respectively provided between the lower end of two columns of left and right and adjustment section, one end of DOCK LEVELER passes through
Bolt is connected with column, and the other end is connected with adjustment section by bolt.
Rear support leg in step F drives Bridge Erector 32.7 meters of vertical shift forward.
Beneficial effects of the present invention：Job site is solved using the construction method of the present invention not assemble place and formed
The problem that assembling place is wasted time and energy, operational approach are rationally simple, and labor intensity is little, and convenient and quick construction, efficiency of construction
It is substantially improved.
Description of the drawings
Structural representations of the Fig. 1 for 900 tons of Bridge Erectors of auxiliary nose-girder type；
Fig. 2 is the structural representation of rear support leg in the present invention；
In figure：1- hoist engines, hanging beam overhead crane after 2-, 3- girders, the O-shaped lower limbs of 4-, hanging beam overhead crane before 5-, 6- front leg struts, 7- auxiliary
Lower limb, nose girder overhead traveling crane under 8-, nose girder under 9-, 10- lower nose girder rear support legs, nose girder front leg strut under 11-, the upper pasting boards of 12-, 13- columns,
14- height adjustment plates, 15- adjustment sections, pasting board under 16-, 17- width adjustment plates, 18- crossbeams, 19-O type lower limb crossbeams.
Specific embodiment
Original Bridge Erector O-shaped lower limb is changed the outfit into newly-designed rear support leg by the present invention, is reduced the width of Bridge Erector, is met frame
Bridge machine crosses the width requirement of bale handle arch.
As shown in Fig. 2 the structure of wherein newly-designed rear support leg includes two columns 13 be arrangeding in parallel, upper pasting board 12, adjusts
Whole section 15, lower pasting board 16 and crossbeam 18, the level between horizontal range and Bridge Erector left and right sides girder 3 between two columns 13
Distance matches, and two columns 13 be arrangeding in parallel are linked together by crossbeam 18, in order to adjust the distance between two columns 13,
It is respectively provided with a width adjustment plate 17 between two columns 13 of the left and right two ends of crossbeam 18 and left and right, the one of the width adjustment plate 17
End is connected with column 13 by bolt, and the other end is connected with the end of crossbeam 18 by bolt.The top of two columns 13 sets respectively
Pasting board 12 on one are put, together with the upper pasting board 12 is bolted on column 13, the lower end of two columns 13 is respectively provided with a tune
Whole section 15 and once pasting board 16, the adjustment section 15 are arranged between column 13 and lower pasting board 16, the column 13, adjustment section 15
It is bolted on together with lower pasting board 16.
In order to adjust the height of rear support leg, a height is respectively provided between the lower end of two column 13 of left and right and adjustment section 15 and is adjusted
Section plate 14, one end of the DOCK LEVELER 14 are connected with column 13 by bolt, and the other end is connected with adjustment section 15 by bolt
Connect.
Newly-designed rear support leg using when upper pasting board 12 is welded on the lower end of girder 3, lower pasting board 16 is bolted
On O-shaped lower limb crossbeam 19.
900 tons of Bridge Erectors of auxiliary nose-girder type are carried out using original Bridge Erector O-shaped lower limb is changed the outfit into newly-designed rear support leg
The construction method of bale handle arch is crossed, Specific construction step is as follows：
A, last hole beam is set up, newly-designed rear support leg has been installed to into 4 position of O-shaped lower limb of crane's major girder 3；
B, the O-shaped lower limb 4 for removing Bridge Erector, Bridge Erector are supported by front leg strut 6 and newly-designed rear support leg；
C, lower nose girder 9 of being sling by front hanging beam overhead crane 5 and auxiliary leg 7, promote the vertical shift forward of lower nose girder 9 by front hanging beam overhead crane 5；
D, lower nose girder 9 forward vertical shift to 9 front end of lower nose girder reach lower nose girder 8 position of overhead traveling crane when, by front hanging beam overhead crane 5 and lower nose girder
Overhead traveling crane 8 is synchronous to be hung lower nose girder 9 vertical shift is in place forward；
E, lower nose girder 9 is positioned over beam face, jacking auxiliary leg 7 makes the front leg strut 6 of Bridge Erector leave bridge floor, Bridge Erector is by newly setting
The rear support leg and auxiliary leg 7 of meter is supported；
F, rear support leg drive Bridge Erector vertical shift 32.7m forward, shrink auxiliary leg 7, make Bridge Erector in rear support leg and front leg strut 6
Holding state；
G, repetition C, D, E, F-step, until Bridge Erector is encircleed by bale handle and reaches end of the bridge；
H, lower nose girder front leg strut 11 and lower nose girder rear support leg 10 are positioned on two adjacent bridge piers and are fixed with crane, by
Front hanging beam overhead crane 5 and lower nose girder overhead traveling crane 8 it is synchronous hang lower nose girder 9 forward vertical shift in place and with lower nose girder front leg strut 11 and lower nose girder after
Supporting leg 10 is consolidated, and completes a via action of lower nose girder 9；
I, Bridge Erector repeat E, F-step, make Bridge Erector complete via action；
J, by the O-shaped lower limb 4 of crane auxiliary mounting deck bridge machine, and remove newly-designed rear support leg；
K, Bridge Erector repeat C, D step, and 9 two vias of lower nose girder in place, form state of setting a roof beam in place, prepare to set a roof beam in place.
Using construction method of the present invention solve job site do not assemble place and formed assembling space expenses when
Laborious problem, operational approach are rationally simple, and labor intensity is little, and convenient and quick construction, and efficiency of construction is substantially improved.Using
The construction method of the present invention ensure that 900 tons of Bridge Erectors of auxiliary nose-girder type can pass through bale handle and encircle and set up adjacent first
900 tons of hole box beam.
Claims (5)
1. a kind of 900 tons of Bridge Erectors of auxiliary nose-girder type change the outfit, and rear support leg is high-order to cross the construction method that bale handle encircles, it is characterised in that tool
Body construction step is：
A, last hole beam is set up, rear support leg has been installed to into crane's major girder（3）O-shaped lower limb（4）Position；
B, the O-shaped lower limb for removing Bridge Erector（4）, Bridge Erector is by front leg strut（6）Support with rear support leg；
C, by front hanging beam overhead crane（5）And auxiliary leg（7）Sling lower nose girder（9）, by front hanging beam overhead crane（5）Promote lower nose girder（9）
Vertical shift forward；
D, lower nose girder（9）Vertical shift is to lower nose girder forward（9）Front end reaches lower nose girder overhead traveling crane（8）During position, by front hanging beam overhead crane（5）
With lower nose girder overhead traveling crane（8）Lower nose girder is hung synchronously（9）Vertical shift is in place forward；
E, by lower nose girder（9）It is positioned over beam face, jacking auxiliary leg（7）Make the front leg strut of Bridge Erector（6）Leave bridge floor, Bridge Erector
By rear support leg and auxiliary leg（7）Support；
F, rear support leg drive Bridge Erector vertical shift forward, shrink auxiliary leg（7）, Bridge Erector is made in rear support leg and front leg strut（6）
Holding state；
G, repetition C, D, E, F-step, until Bridge Erector is encircleed by bale handle and reaches end of the bridge；
H, with crane by lower nose girder front leg strut（11）And lower nose girder rear support leg（10）It is positioned on two adjacent bridge piers and fixed
It is good, by front hanging beam overhead crane（5）With lower nose girder overhead traveling crane（8）Lower nose girder is hung synchronously（9）Forward vertical shift in place and with lower nose girder front leg strut
（11）And lower nose girder rear support leg（10）Consolidation, completes lower nose girder（9）A via action；
I, Bridge Erector repeat E, F-step, make Bridge Erector complete via action；
J, by the O-shaped lower limb of crane auxiliary mounting deck bridge machine（4）, and remove rear support leg；
K, Bridge Erector repeat C, D step, lower nose girder（9）Secondary via in place, forms state of setting a roof beam in place, prepares to set a roof beam in place.
2. a kind of 900 tons of Bridge Erectors of auxiliary nose-girder type according to claim 1 change the outfit, and rear support leg is high-order to cross applying for bale handle arch
Work method, it is characterised in that：The rear support leg includes two columns be arrangeding in parallel（13）, upper pasting board（12）, adjustment section（15）, under
Pasting board（16）And crossbeam（18）, two columns（13）Between horizontal range and Bridge Erector left and right sides girder（3）Between level
Distance matches, two columns be arrangeding in parallel（13）By crossbeam（18）Link together, two columns（13）Top set respectively
Put pasting board on（12）, the upper pasting board（12）With column（13）It is bolted on together, two columns（13）Lower end it is equal
One adjustment section is set（15）Once pasting board（16）, the adjustment section（15）It is arranged on column（13）With lower pasting board（16）Between,
The column（13）, adjustment section（15）With lower pasting board（16）It is bolted on together.
3. a kind of 900 tons of Bridge Erectors of auxiliary nose-girder type according to claim 2 change the outfit, and rear support leg is high-order to cross applying for bale handle arch
Work method, it is characterised in that：The rear support leg crossbeam（18）Left and right two ends with left and right two columns（13）Between be respectively provided with one
Width adjustment plate（17）, the width adjustment plate（17）One end pass through bolt and column（13）Connection, the other end pass through bolt
With crossbeam（18）End connection.
4. a kind of 900 tons of Bridge Erectors of the auxiliary nose-girder type according to Claims 2 or 3 change the outfit, and rear support leg is high-order to cross what bale handle encircleed
Construction method, it is characterised in that：Two column of described rear support leg or so（13）Lower end with adjustment section（15）Between be respectively provided with one
DOCK LEVELER（14）, the DOCK LEVELER（14）One end pass through bolt and column（13）Connection, the other end pass through bolt
With adjustment section（15）Connection.
5. a kind of 900 tons of Bridge Erectors of auxiliary nose-girder type according to claim 1 change the outfit, and rear support leg is high-order to cross applying for bale handle arch
Work method, it is characterised in that：Rear support leg in step F drives Bridge Erector 32.7 meters of vertical shift forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611053994.9A CN106592431B (en) | 2016-11-25 | 2016-11-25 | The high-order construction method for crossing bale handle arch of 900 tons of Bridge Erectors of auxiliary nose-girder type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611053994.9A CN106592431B (en) | 2016-11-25 | 2016-11-25 | The high-order construction method for crossing bale handle arch of 900 tons of Bridge Erectors of auxiliary nose-girder type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106592431A true CN106592431A (en) | 2017-04-26 |
| CN106592431B CN106592431B (en) | 2018-02-23 |
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| CN201611053994.9A Active CN106592431B (en) | 2016-11-25 | 2016-11-25 | The high-order construction method for crossing bale handle arch of 900 tons of Bridge Erectors of auxiliary nose-girder type |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930489A (en) * | 2019-03-08 | 2019-06-25 | 中铁十七局集团第一工程有限公司 | Go out small curvilinear system bar arch head beam construction method based on SXJ550 Bridge Erector |
| WO2022037112A1 (en) * | 2020-08-17 | 2022-02-24 | 中铁十八局集团有限公司 | Device for high-altitude push and vertical movement for 900t bridge girder erection machine |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101144259A (en) * | 2007-09-20 | 2008-03-19 | 中铁二局股份有限公司 | Large tonnage whole opening box girder transmitting and construction method |
| JP2009127317A (en) * | 2007-11-26 | 2009-06-11 | Sanshin Kogyo Kk | Bridge construction apparatus |
| CN201713763U (en) * | 2010-04-29 | 2011-01-19 | 郑州市华中建机有限公司 | Passenger line full-span box girder tunnel accessing bridge erecting machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930489A (en) * | 2019-03-08 | 2019-06-25 | 中铁十七局集团第一工程有限公司 | Go out small curvilinear system bar arch head beam construction method based on SXJ550 Bridge Erector |
| WO2022037112A1 (en) * | 2020-08-17 | 2022-02-24 | 中铁十八局集团有限公司 | Device for high-altitude push and vertical movement for 900t bridge girder erection machine |
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| Publication number | Publication date |
|---|---|
| CN106592431B (en) | 2018-02-23 |
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