CN110055894A - A kind of flow type bridge erecting machine and its heavy grade erecting beam construction method - Google Patents
A kind of flow type bridge erecting machine and its heavy grade erecting beam construction method Download PDFInfo
- Publication number
- CN110055894A CN110055894A CN201811392027.4A CN201811392027A CN110055894A CN 110055894 A CN110055894 A CN 110055894A CN 201811392027 A CN201811392027 A CN 201811392027A CN 110055894 A CN110055894 A CN 110055894A
- Authority
- CN
- China
- Prior art keywords
- rear car
- supporting leg
- girder
- place
- main supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 65
- 239000010959 steel Substances 0.000 claims description 65
- 239000000725 suspension Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 9
- 239000002023 wood Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000007665 sagging Methods 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Entitled a kind of flow type bridge erecting machine of the invention and its heavy grade erecting beam construction method.Belong to High-speed Passenger Dedicated Lines box beam erection technical field of construction.It mainly solves the problems, such as that existing SLJ900 flow type bridge erecting machine cannot be used for ± 20 ‰~25 ‰ interval range heavy grade erecting beam constructions.Being mainly characterized by comprising: for it includes SLJ900 flow type bridge erecting machine；It further include that can increase section loaded on the rear car on the first rear car girder highly for 30cm, section can be increased loaded on the auxiliary leg in auxiliary leg highly for 55cm, section can be increased loaded on the front truck on front truck girder highly for 15cm, second rear car girder 30cm lower than the first rear car girder.The present invention have the characteristics that it is safe and reliable, easy to control the quality, can reduce economic cost and farthest save the duration, the heavy grade erecting beam construction being mainly used in ± 20 ‰~25 ‰ interval range of High-speed Passenger Dedicated Lines.
Description
Technical field
The present invention relates to High-speed Passenger Dedicated Lines 900t simple prestressed concrete beam Construction Techniques for Erection field, tools
Body is for a kind of flow type bridge erecting machine and its for the heavy grade erecting beam construction method in ± 20 ‰~25 ‰ interval ranges.
Background technique
In recent years, as gradually the ground such as southeastward coastal, western mountainous areas have developed high-speed rail construction, the frame of these regional bridges
If being frequently encountered heavy grade construction operating condition, traditional fortune frame separate type Bridge Erector and integration of transporting and building machine do not adapt to this work
Needs of setting a roof beam in place under condition.SLJ900 flow type bridge erecting machine heavy grade erecting beam construction technology is the base based on original construction operation ability
On plinth, improved by the structure to bridge machine, hydraulic and electrical control system, with realize high-speed rail bridge heavy grade section (±
20 ‰~25 ‰ interval ranges) erecting beam construction safety and work efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of SLJ900 flow type bridge erecting machine and its heavy grade erecting beam construction methods, with solution
Certainly part mountain area because of relief, construction road transport is inconvenient, Pier Design height and bridge longitudinal design ± 20 ‰~
Great slope in 25 ‰ interval ranges leads to the problem of being unfavorable for cast-in-situ box girder or mobile formwork bridging construction.
To achieve the above object, the present invention provides the technical solution of following flow type bridge erecting machine: a kind of flow type bridge erecting machine,
Be include front truck, rear car, girder, main supporting leg, auxiliary leg, front and back suspender, traveling control system SLJ900 flow type bridge erecting
Machine, rear car include that rear car suspension, rear car hanging oil cylinder, Rear frame, Rear frame wheel and the first rear car girder, front truck include front truck
Frame, front truck suspension, front frame wheel and front truck girder, main supporting leg are inserted including hydraulic cylinder of turning back, head tree, supporting leg brace, brace
Hydraulic cylinder, brace steel pin, lower beam and bearing beam are sold, is bolted between lower beam and bearing beam, brace steel pin includes upper steel
Pin and lower steel pin, auxiliary leg include pin hole, steel pin and contraction jacking cylinder, it is characterised in that: further include after being loaded on first
Rear car on car owner's beam highly for 30cm increases section, can increase section loaded on the auxiliary leg in auxiliary leg highly for 55cm, can
Increase section loaded on the front truck on front truck girder highly for 15cm, second rear car girder 30cm lower than the first rear car girder.
Rear car described in technical solution of the invention increases the top center that section is loaded on the first rear car girder；It is described
Auxiliary leg increase section be loaded on auxiliary leg top；The front truck increases section loaded between front truck girder and front frame.
It is inverted trapezoidal that the top center of second rear car girder described in technical solution of the invention, which is equipped with section,
Groove, the height of the groove are 30cm.
The present invention provides the technical solution of following heavy grade erecting beam construction method: a kind of using above-mentioned flow type bridge erecting machine
Heavy grade erecting beam construction method, it is characterised in that the following steps are included:
(1) before setting a roof beam in place, according to ± 20 ‰~25 ‰ interval range gradient of erecting beam construction place, increased by installing or removing rear car
Section, auxiliary leg increase section, front truck increases section and the second rear car girder, and rear car hanging oil cylinder rises or drop, adjust bridge formation owner branch
Leg, bearing beam, rear car are hung and the height of Rear frame, reduces the gradient of crane's major girder when setting a roof beam in place, and replaces the second rear car girder；
(2) main supporting leg is proceeded to put down auxiliary leg above the bridge pier of frame aperture rear, promotes front truck suspension, and starting is turned back hydraulic
Cylinder keeps head tree sagging, supporting leg brace linear state, starts brace bolt hydraulic cylinder, is inserted into brace steel pin；It is moved forward and backward master
Supporting leg gradually decreases front truck suspension height, keeps main supporting leg in place, lift front truck suspension, be detached from front truck suspension to suitable position
Bridge floor；Connection bolt between lower beam and bearing beam is loosened；
(3) Bridge Erector carries out first step heavy duty via hole under the driving of rear car, and main supporting leg brace steel is strictly monitored during via hole
The pressure of pin, when pressure anomaly of main supporting leg brace steel pin, need shutdown inspection；Timely reduction of speed when via hole will be in place, goes slowly to rule
Positioning is set；When auxiliary leg reaches front bridge pier, makes auxiliary leg in place at a slow speed, apply parking braking afterwards in place, and rear
Stow-wood is placed before and after vehicle frame wheel, when auxiliary leg reaches the bridge pier in front of frame aperture, auxiliary leg is in place at a slow speed, in auxiliary leg
The heart stops when deviateing front pier center 1010mm, and first step heavy duty via hole is in place；
(4) height of front and back suspender is reduced simultaneously, and wire rope of sling does not stress before making to the interim support pad in frame box beam front end；It jacks up
Auxiliary leg makes main supporting leg be detached from bridge pier, reaches after calculating top lifting height, and steel pin is inserted into auxiliary leg pin hole, and crawl is received
Contracting jacking cylinder makes steel pin stress；
(5) main supporting leg Forward, reaches to bridge pier in front of frame aperture, after main supporting leg is in place, packs up auxiliary leg, Zhi Haozhu supporting leg；
(6) to frame box beam front end lifting point, Bridge Erector carries out second step heavy duty via hole, via hole process under the driving of rear car for lifting
Strictly monitor the pressure of main supporting leg brace steel pin, when pressure anomaly of main supporting leg brace steel pin needs shutdown inspection；Via hole will arrive
Timely reduction of speed, then goes slowly to specified position when position；Apply parking braking afterwards in place, and places wedge before and after Rear frame wheel
Wood, via hole fall beam afterwards in place；
(7) Bridge Erector complete machine moves back, and makes front truck completely into frame box beam top surface, and via hole process strictly monitors main supporting leg brace steel
The pressure of pin, when pressure anomaly of main supporting leg brace steel pin, need shutdown inspection；
(8) brace steel pin is extracted, turns up main supporting leg and auxiliary leg, Bridge Erector empty wagons returns to Liang Chang, starts next hole beam fortune
Frame operation.
In above scheme, step (1) can be with are as follows:: (1) before setting a roof beam in place, according to erecting beam construction place 20 ‰~25 ‰ section models
The gradient is enclosed, the disassembly rear car by installing 30cm high increases section, and rear car hanging oil cylinder rises 25cm, crane's major girder when reduction is set a roof beam in place
The gradient, while ensure main supporting leg lower beam height can support and pinner above.
In above scheme, step (1) can be with are as follows: (1) before setting a roof beam in place, according to -20 ‰~25 ‰ section of erecting beam construction place
The range gradient, by replacing second rear car girder 30cm lower than the first rear car girder, before installing 15cm high in front frame
Vehicle increases section, and the auxiliary leg that 55cm high is installed in auxiliary leg increases section, and 25cm drops in rear car hanging oil cylinder, when reduction is set a roof beam in place
The gradient of crane's major girder, while ensuring that main supporting leg lower beam height can support and pinner top.
In above scheme, in main supporting leg brace steel pin described in step (3), (6) and (7), upper steel pin pressure be 150kN or
Lower steel pin pressure is 570kN alarm, power-off when being 850kN that upper steel pin pressure is 170kN or lower steel pin pressure.
Compared with prior art, the beneficial effects of the present invention are: the SLJ900 flow type bridge erecting machine passes through to original bridge formation
The structure of machine improves, to realize the erecting beam construction of ± 20 ‰~25 ‰ interval range heavy grade section of high-speed rail bridge.Use this
Bridge Erector carries out heavy grade erecting beam construction in mountain area location, safe and reliable, easy to control the quality, and can reduce economic cost, most
The duration is saved to big degree, makes a high-speed railway complete to be open to traffic faster, creates great national economic profit.
Present invention is mainly used for the heavy grade erecting beam constructions in ± 20 ‰~25 ‰ interval range of High-speed Passenger Dedicated Lines.
Detailed description of the invention
The first rear car girder increases 30cm and increases nodular state front view when Fig. 1 is 25 ‰ upward slope.
Second rear car girder and adjustment suspension status front view when Fig. 2 is 25 ‰ descending.
Front frame increases 15cm and increases nodular state front view when Fig. 3 is 25 ‰ descending.
Auxiliary leg increases 55cm and increases nodular state front view when Fig. 4 is 25 ‰ descending.
Auxiliary leg increases 55cm and increases section side view of the state when Fig. 5 is 25 ‰ descending.
Fig. 6 is the horizontality front view before the adjustment of Bridge Erector complete machine.
Fig. 7 is Bridge Erector complete machine horizontality front view adjusted.
Marked in the figure: 1. rear cars increase section；2. the first rear car girder；3. the second rear car girder；4. rear car suspension oil
Cylinder；5. front truck increases section.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figures 1 to 7, a kind of flow type bridge erecting machine of the invention, be include front truck, rear car, girder, main supporting leg,
Auxiliary leg, front and back suspender, traveling control system SLJ900 flow type bridge erecting machine.SLJ900 flow type bridge erecting machine is existing skill
Art, wherein rear car includes rear car suspension, rear car hanging oil cylinder 4, Rear frame, Rear frame wheel and the first rear car girder, front truck packet
Include front frame, front truck suspension, front frame wheel and front truck girder, main supporting leg include turn back hydraulic cylinder, head tree, supporting leg brace,
Brace bolt hydraulic cylinder, brace steel pin, lower beam and bearing beam, are bolted between lower beam and bearing beam, brace steel pin packet
Steel pin and lower steel pin are included, auxiliary leg includes pin hole, steel pin and contraction jacking cylinder.The present invention is in existing SLJ900 flow-type
It further include that can increase section 1 loaded on the rear car on the first rear car girder 2 highly for 30cm on the basis of Bridge Erector, it can be loaded on auxiliary branch
Auxiliary leg on leg highly for 55cm increases section, can increase section 5 loaded on the front truck on front truck girder highly for 15cm, than first
The second rear car girder 3 of the low 30cm of rear car girder.Rear car increases the top center that section 1 is loaded on the first rear car girder 2.Auxiliary leg
Increase the top that section is loaded on auxiliary leg.Front truck increases section 5 loaded between front truck girder and front frame.Second rear car girder 3
Top center is equipped with the groove that section is inverted trapezoidal, and the height of the groove is 30cm.
Construction method embodiment 1:
Above-mentioned flow type bridge erecting machine is used for the heavy grade erecting beam construction method of 20 ‰~25 ‰ interval ranges, it is characterised in that including
Following steps:
(1) before setting a roof beam in place, according to erecting beam construction place 20 ‰~25 ‰ interval range gradients, by the disassembly rear car for installing 30cm high
Increase section, rear car hanging oil cylinder rises 25cm, reduces the gradient of crane's major girder when setting a roof beam in place, while ensuring main supporting leg lower beam height
It can support and pinner top；
(2) main supporting leg is proceeded to put down auxiliary leg above the bridge pier of frame aperture rear, promotes front truck suspension, and starting is turned back hydraulic
Cylinder keeps head tree sagging, supporting leg brace linear state, starts brace bolt hydraulic cylinder, is inserted into brace steel pin；It is moved forward and backward master
Supporting leg gradually decreases front truck suspension height, keeps main supporting leg in place, lift front truck suspension, be detached from front truck suspension to suitable position
Bridge floor；Connection bolt between lower beam and bearing beam is loosened；
(3) Bridge Erector carries out first step heavy duty via hole under the driving of rear car, and main supporting leg brace steel is strictly monitored during via hole
The pressure of pin, when pressure anomaly of main supporting leg brace steel pin, need shutdown inspection；Upper steel pin 150kN alarm, 170kN power-off；Lower steel
Sell 570kN alarm, 650kN power-off；Such as find main supporting leg horizontal force numerical exception, it is necessary to check failure cause, it can after exclusion
Continue via hole operation；Timely reduction of speed when via hole will be in place, goes slowly to specified position；When auxiliary leg reaches front bridge pier,
Make auxiliary leg in place at a slow speed, apply parking braking afterwards in place, and place stow-wood before and after Rear frame wheel, auxiliary leg reaches
In front of frame aperture when bridge pier, auxiliary leg is in place at a slow speed, stops when pier center 1010mm in front of auxiliary leg center deviation, the
One step heavy duty via hole is in place；
(4) height of front and back suspender is reduced simultaneously, and wire rope of sling does not stress before making to the interim support pad in frame box beam front end；It jacks up
Auxiliary leg makes main supporting leg be detached from bridge pier, reaches after calculating top lifting height, and steel pin is inserted into auxiliary leg pin hole, and crawl is received
Contracting jacking cylinder makes steel pin stress；
(5) main supporting leg Forward, reaches to bridge pier in front of frame aperture, after main supporting leg is in place, packs up auxiliary leg, Zhi Haozhu supporting leg；
(6) to frame box beam front end lifting point, Bridge Erector carries out second step heavy duty via hole, via hole process under the driving of rear car for lifting
The pressure of stringent monitoring brace steel pin, when pressure anomaly of brace steel pin, need shutdown inspection；Upper steel pin 150kN alarm, 170kN are disconnected
Electricity；Lower steel pin 570kN alarm, 650kN power-off；Such as find main supporting leg horizontal force numerical exception, it is necessary to check failure cause, exclude
After can continue via hole operation；Timely reduction of speed when via hole will be in place, then goes slowly to specified position；Apply parking system afterwards in place
It is dynamic, and stow-wood is placed before and after Rear frame wheel, via hole falls beam afterwards in place；
(7) Bridge Erector complete machine moves back, and makes front truck completely into frame box beam top surface, and via hole process strictly monitors main supporting leg brace steel
The pressure of pin, when pressure anomaly of main supporting leg brace steel pin, need shutdown inspection；Upper steel pin 150kN alarm, 170kN power-off；Lower steel
Sell 570kN alarm, 650kN power-off；Such as find main supporting leg horizontal force numerical exception, it is necessary to check failure cause, it can after exclusion
Continue via hole operation；
(8) brace steel pin is extracted, turns up main supporting leg and auxiliary leg, Bridge Erector empty wagons returns to Liang Chang, starts next hole beam fortune
Frame operation.
Construction method embodiment 2:
Above-mentioned flow type bridge erecting machine is used for the heavy grade erecting beam construction method of -20 ‰~25 ‰ interval ranges, with 1 phase of embodiment
Than only (1) step is different.(1) step of embodiment 2 are as follows:
(1) before setting a roof beam in place, according to -20 ‰~25 ‰ interval range gradient of erecting beam construction place, by replacing the first rear car girder of ratio
The second rear car girder of low 30cm, the front truck that 15cm high is installed in front frame increase section, and 55cm high is installed in auxiliary leg
Auxiliary leg increase section, 25cm drops in rear car hanging oil cylinder, reduces the gradient of crane's major girder when setting a roof beam in place, while ensuring main supporting leg
Lower beam height can support and pinner top.
The size of main supporting leg horizontal force should be monitored in real time in complete machine fallback procedures, as counted in turn before finding Bridge Erector
Word is constant, or illustrates that monitoring system is invalid without display, and having to check at this time can operation after repairing.If appearance blocks in the process,
Not, then monitoring data can increase rapidly (control of the upper steel pin display data substantially in 80kN or so, to steel pin stress numerical value at this time
It is: upper steel pin 150kN alarm, 170kN power-off；Lower steel pin 570kN alarm, 650kN power-off), to ensure main supporting leg safety.
Claims (7)
1. a kind of flow type bridge erecting machine, being includes front truck, rear car, girder, main supporting leg, auxiliary leg, front and back suspender, traveling control
The SLJ900 flow type bridge erecting machine of system, rear car include rear car suspension, rear car hanging oil cylinder, Rear frame, Rear frame wheel and
One rear car girder, front truck include front frame, front truck suspension, front frame wheel and front truck girder, main supporting leg include turn back hydraulic cylinder,
Head tree, supporting leg brace, brace bolt hydraulic cylinder, brace steel pin, lower beam and bearing beam, pass through bolt between lower beam and bearing beam
Connection, brace steel pin include upper steel pin and lower steel pin, and auxiliary leg includes pin hole, steel pin and shrinks jacking cylinder, and feature exists
In: further include that can increase section loaded on the rear car on the first rear car girder highly for 30cm, can be loaded in auxiliary leg and be highly
The auxiliary leg of 55cm increases section, can increase section loaded on the front truck on front truck girder highly for 15cm, lower than the first rear car girder
The second rear car girder of 30cm.
2. a kind of flow type bridge erecting machine according to claim 1, it is characterised in that: the rear car increases section (1) and is loaded on
The top center of first rear car girder (2)；The auxiliary leg increases the top that section is loaded on auxiliary leg；The front truck increases
Gao Jie (5) is loaded between front truck girder and front frame.
3. a kind of flow type bridge erecting machine according to claim 1 or 2, it is characterised in that: the second rear car girder (3)
Top center be equipped with the groove that section is inverted trapezoidal, the height of the groove is 30cm.
4. a kind of heavy grade erecting beam construction method using flow type bridge erecting machine described in claim 1, it is characterised in that including with
Lower step:
(1) before setting a roof beam in place, according to ± 20 ‰~25 ‰ interval range gradient of erecting beam construction place, increased by installing or removing rear car
Section, auxiliary leg increase section, front truck increases section and the second rear car girder, and rear car hanging oil cylinder rises or drop, adjust bridge formation owner branch
Leg, bearing beam, rear car are hung and the height of Rear frame, reduces the gradient of crane's major girder when setting a roof beam in place, and replaces the second rear car girder；
(2) main supporting leg is proceeded to put down auxiliary leg above the bridge pier of frame aperture rear, promotes front truck suspension, and starting is turned back hydraulic
Cylinder keeps head tree sagging, supporting leg brace linear state, starts brace bolt hydraulic cylinder, is inserted into brace steel pin；It is moved forward and backward master
Supporting leg gradually decreases front truck suspension height, keeps main supporting leg in place, lift front truck suspension, be detached from front truck suspension to suitable position
Bridge floor；Connection bolt between lower beam and bearing beam is loosened；
(3) Bridge Erector carries out first step heavy duty via hole under the driving of rear car, and main supporting leg brace steel is strictly monitored during via hole
The pressure of pin, when pressure anomaly of main supporting leg brace steel pin, need shutdown inspection；Timely reduction of speed when via hole will be in place, goes slowly to rule
Positioning is set；When auxiliary leg reaches front bridge pier, makes auxiliary leg in place at a slow speed, apply parking braking afterwards in place, and rear
Stow-wood is placed before and after vehicle frame wheel, when auxiliary leg reaches the bridge pier in front of frame aperture, auxiliary leg is in place at a slow speed, in auxiliary leg
The heart stops when deviateing front pier center 1010mm, and first step heavy duty via hole is in place；
(4) height of front and back suspender is reduced simultaneously, and wire rope of sling does not stress before making to the interim support pad in frame box beam front end；It jacks up
Auxiliary leg makes main supporting leg be detached from bridge pier, reaches after calculating top lifting height, and steel pin is inserted into auxiliary leg pin hole, and crawl is received
Contracting jacking cylinder makes steel pin stress；
(5) main supporting leg Forward, reaches to bridge pier in front of frame aperture, after main supporting leg is in place, packs up auxiliary leg, Zhi Haozhu supporting leg；
(6) to frame box beam front end lifting point, Bridge Erector carries out second step heavy duty via hole, via hole process under the driving of rear car for lifting
Strictly monitor the pressure of main supporting leg brace steel pin, when pressure anomaly of main supporting leg brace steel pin needs shutdown inspection；Via hole will arrive
Timely reduction of speed, then goes slowly to specified position when position；Apply parking braking afterwards in place, and places wedge before and after Rear frame wheel
Wood, via hole fall beam afterwards in place；
(7) Bridge Erector complete machine moves back, and makes front truck completely into frame box beam top surface, and via hole process strictly monitors main supporting leg brace steel
The pressure of pin, when pressure anomaly of main supporting leg brace steel pin, need shutdown inspection；
(8) main supporting leg brace steel pin is extracted, turns up main supporting leg and auxiliary leg, Bridge Erector empty wagons returns to Liang Chang, starts next
Hole beam transports frame operation.
5. heavy grade erecting beam construction method according to claim 4, it is characterised in that: described (1) step are as follows:
(1) before setting a roof beam in place, according to erecting beam construction place 20 ‰~25 ‰ interval range gradients, by the disassembly rear car for installing 30cm high
Increase section, rear car hanging oil cylinder rises 25cm, reduces the gradient of crane's major girder when setting a roof beam in place, while ensuring main supporting leg lower beam height
It can support and pinner top.
6. heavy grade erecting beam construction method according to claim 4, it is characterised in that: described (1) step are as follows:
(1) before setting a roof beam in place, according to -20 ‰~25 ‰ interval range gradient of erecting beam construction place, by replacing the first rear car girder of ratio
The second rear car girder of low 30cm, the front truck that 15cm high is installed in front frame increase section, and 55cm high is installed in auxiliary leg
Auxiliary leg increase section, 25cm drops in rear car hanging oil cylinder, reduces the gradient of crane's major girder when setting a roof beam in place, while ensuring main supporting leg
Lower beam height can support and pinner top.
7. according to heavy grade erecting beam construction method described in claim 4,5 or 6, it is characterised in that (3), (6) and (7) step
In brace steel pin described in rapid, upper steel pin pressure is 150kN or lower steel pin pressure is 570kN alarm, and upper steel pin pressure is
170kN or lower steel pin pressure power off when being 850kN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392027.4A CN110055894B (en) | 2018-11-21 | 2018-11-21 | Mobile bridge girder erection machine and large-gradient girder erection construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392027.4A CN110055894B (en) | 2018-11-21 | 2018-11-21 | Mobile bridge girder erection machine and large-gradient girder erection construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110055894A true CN110055894A (en) | 2019-07-26 |
| CN110055894B CN110055894B (en) | 2024-02-09 |
Family
ID=67314986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811392027.4A Active CN110055894B (en) | 2018-11-21 | 2018-11-21 | Mobile bridge girder erection machine and large-gradient girder erection construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110055894B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921817A (en) * | 2021-02-04 | 2021-06-08 | 中铁五局集团有限公司 | Steel support for equivalent extension bridge girder erection machine stand column and use method thereof |
| CN114481835A (en) * | 2021-12-13 | 2022-05-13 | 中铁第五勘察设计院集团有限公司 | Stepless span changing device and method for suspension point of bridge girder erection machine |
| CN115075149A (en) * | 2022-06-20 | 2022-09-20 | 中铁二局集团有限公司 | Construction method for erecting large downhill bridge by using guide-beam-free transportation and erection integrated machine |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0579018A (en) * | 1991-09-18 | 1993-03-30 | P S Co Ltd | Bridge girder laying device |
| CN101942807A (en) * | 2010-10-08 | 2011-01-12 | 石家庄铁道大学国防交通研究所 | Flow type bridge erecting machine |
| KR101160273B1 (en) * | 2012-02-22 | 2012-06-27 | (주) 동방메가테크 | Straddle carrier for bridge construction |
| CN103194980A (en) * | 2013-04-19 | 2013-07-10 | 郑州新大方重工科技有限公司 | Wheeltrack type girder transport vehicle overall pack bridge girder erection machine line-switching or between-bridge transfer mechanism |
| CN204185777U (en) * | 2014-09-28 | 2015-03-04 | 中铁十一局集团第六工程有限公司 | A kind of cantilevered auxiliary landing leg structure of bridge erecting machine |
| CN106087774A (en) * | 2016-06-17 | 2016-11-09 | 中铁十七局集团第三工程有限公司 | A kind of utilize 900 tons of beam shifting machines to bridge floor beam car dress beam Summarized Account of Bridge Erection Construction method |
| CN107059640A (en) * | 2017-05-24 | 2017-08-18 | 郑州新大方重工科技有限公司 | The Bridge Erector and its construction method constructed by cross for precast segmental beam |
| CN107313358A (en) * | 2017-08-30 | 2017-11-03 | 中国建筑第五工程局有限公司 | For the beam erecting method and Bridge Erector under big longitudinal slope operating mode |
| CN208107056U (en) * | 2018-04-10 | 2018-11-16 | 李长庚 | A kind of new flow formula Bridge Erector |
| CN209428958U (en) * | 2018-11-21 | 2019-09-24 | 中铁十一局集团第六工程有限公司 | A kind of flow type bridge erecting machine |
-
2018
- 2018-11-21 CN CN201811392027.4A patent/CN110055894B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0579018A (en) * | 1991-09-18 | 1993-03-30 | P S Co Ltd | Bridge girder laying device |
| CN101942807A (en) * | 2010-10-08 | 2011-01-12 | 石家庄铁道大学国防交通研究所 | Flow type bridge erecting machine |
| KR101160273B1 (en) * | 2012-02-22 | 2012-06-27 | (주) 동방메가테크 | Straddle carrier for bridge construction |
| CN103194980A (en) * | 2013-04-19 | 2013-07-10 | 郑州新大方重工科技有限公司 | Wheeltrack type girder transport vehicle overall pack bridge girder erection machine line-switching or between-bridge transfer mechanism |
| CN204185777U (en) * | 2014-09-28 | 2015-03-04 | 中铁十一局集团第六工程有限公司 | A kind of cantilevered auxiliary landing leg structure of bridge erecting machine |
| CN106087774A (en) * | 2016-06-17 | 2016-11-09 | 中铁十七局集团第三工程有限公司 | A kind of utilize 900 tons of beam shifting machines to bridge floor beam car dress beam Summarized Account of Bridge Erection Construction method |
| CN107059640A (en) * | 2017-05-24 | 2017-08-18 | 郑州新大方重工科技有限公司 | The Bridge Erector and its construction method constructed by cross for precast segmental beam |
| CN107313358A (en) * | 2017-08-30 | 2017-11-03 | 中国建筑第五工程局有限公司 | For the beam erecting method and Bridge Erector under big longitudinal slope operating mode |
| CN208107056U (en) * | 2018-04-10 | 2018-11-16 | 李长庚 | A kind of new flow formula Bridge Erector |
| CN209428958U (en) * | 2018-11-21 | 2019-09-24 | 中铁十一局集团第六工程有限公司 | A kind of flow type bridge erecting machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921817A (en) * | 2021-02-04 | 2021-06-08 | 中铁五局集团有限公司 | Steel support for equivalent extension bridge girder erection machine stand column and use method thereof |
| CN114481835A (en) * | 2021-12-13 | 2022-05-13 | 中铁第五勘察设计院集团有限公司 | Stepless span changing device and method for suspension point of bridge girder erection machine |
| CN114481835B (en) * | 2021-12-13 | 2023-04-07 | 中铁第五勘察设计院集团有限公司 | Stepless span changing device and method for suspension point of bridge girder erection machine |
| CN115075149A (en) * | 2022-06-20 | 2022-09-20 | 中铁二局集团有限公司 | Construction method for erecting large downhill bridge by using guide-beam-free transportation and erection integrated machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110055894B (en) | 2024-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109763430A (en) | A kind of Bridge Erector that curve via holes are set a roof beam in place and its application method | |
| CN110055894A (en) | A kind of flow type bridge erecting machine and its heavy grade erecting beam construction method | |
| CN102704407B (en) | Construction method of lower guide beam type bridge-erecting crane passing through tunnel | |
| CN103410103B (en) | Quick-beam change construction method for existing railway line of railroad | |
| CN110230261B (en) | Mounting construction method for upper frame beam of double-layer synchronous beam | |
| CN207932932U (en) | A kind of twin beams slope Bridge Erector | |
| CN111691304B (en) | Method and device for mounting prefabricated bridge deck between sections of steel-concrete composite beam | |
| CN112854008A (en) | Prefabricated bridge pier and beam integrated bridge girder erection machine and construction method thereof | |
| CN106087768B (en) | A kind of method of the assembled mobile formwork in the narrow short transition time section of bridge tunnel | |
| CN209428958U (en) | A kind of flow type bridge erecting machine | |
| CN112144401B (en) | Bridge girder erection machine over-span method based on curve track and large longitudinal slope environment | |
| CN106592449A (en) | D-shaped beam reinforced existing double-railway line structure and construction method thereof | |
| CN116949946A (en) | Construction method for bridge bridging of small-radius curve bridge | |
| CN111042004A (en) | Hanging basket track beam traveling method | |
| CN103726449B (en) | Automatically fall Liangping table apparatus and the construction method for changing railway beam thereof | |
| CN113322819B (en) | Method for erecting first-span T beam at tunnel outlet | |
| CN212670341U (en) | Steel-concrete composite beam intersegment prefabricated bridge deck installation device | |
| CN212771960U (en) | Whole device of demolising of 0# piece bracket of continuous rigid frame bridge | |
| CN112575785B (en) | Integral moving device and method for large-scale fixed material distributor | |
| CN219792253U (en) | Segmental beam lifting and transporting frame integrated machine | |
| CN216474531U (en) | Water steel box girder lifting, sliding and installing system with existing bridge penetrating downwards | |
| CN115897387A (en) | Method for erecting curved bridge | |
| CN211772795U (en) | A overhaul device for public road bridge beam supports | |
| CN115075149A (en) | Construction method for erecting large downhill bridge by using guide-beam-free transportation and erection integrated machine | |
| CN215801070U (en) | Open bridge hoist and mount track platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |