CN209428958U - A kind of flow type bridge erecting machine - Google Patents
A kind of flow type bridge erecting machine Download PDFInfo
- Publication number
- CN209428958U CN209428958U CN201821922012.XU CN201821922012U CN209428958U CN 209428958 U CN209428958 U CN 209428958U CN 201821922012 U CN201821922012 U CN 201821922012U CN 209428958 U CN209428958 U CN 209428958U
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- Prior art keywords
- rear car
- girder
- front truck
- loaded
- section
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- 229910000831 Steel Inorganic materials 0.000 claims description 35
- 239000010959 steel Substances 0.000 claims description 35
- 239000000725 suspension Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 21
- 238000000034 method Methods 0.000 description 6
- 230000007717 exclusion Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 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
- 210000003739 neck Anatomy 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
A kind of entitled flow type bridge erecting machine of the utility model.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 utility model 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 utility model relates to High-speed Passenger Dedicated Lines 900t simple prestressed concrete beam Construction Techniques for Erection necks
Domain, specially a kind of flow type bridge erecting machine for the heavy grade erecting beam construction 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 this utility model is to provide a kind of SLJ900 flow type bridge erecting machines, to solve part mountain area because topography rises
Volt, construction road transport inconvenience, Pier Design height and bridge longitudinal design are larger in ± 20 ‰~25 ‰ interval ranges
The gradient leads to the problem of being unfavorable for cast-in-situ box girder or mobile formwork bridging construction.
To achieve the above object, the utility model provides the following technical solutions: a kind of flow type bridge erecting machine, is before including
Vehicle, rear car, girder, main supporting leg, auxiliary leg, front and back suspender, traveling control system SLJ900 flow type bridge erecting machine, rear car packet
Include rear car suspension, rear car hanging oil cylinder, Rear frame, Rear frame wheel and the first rear car girder, front truck includes that front frame, front truck are outstanding
Hang, 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, and 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 including can be loaded on the first rear car girder
Height is that the rear car of 30cm increases section, can increase section loaded on the auxiliary leg in auxiliary leg highly for 55cm, can be loaded on front truck
Front truck on girder highly for 15cm increases section, second rear car girder 30cm lower than the first rear car girder.
Rear car described in the technical solution of the utility model increases the top center that section is loaded on the first rear car girder；
The auxiliary leg increases the top that section is loaded on auxiliary leg；The front truck increase section loaded on front truck girder and front frame it
Between.
It is terraced that the top center of second rear car girder described in the technical solution of the utility model, which is equipped with section,
The groove of shape, the height of the groove are 30cm.
Compared with prior art, the utility model has the beneficial effects that the SLJ900 flow type bridge erecting machine passes through to original
The structure of Bridge Erector improves, to realize the erecting beam construction of ± 20 ‰~25 ‰ interval range heavy grade section of high-speed rail bridge.Make
Carry out heavy grade erecting beam construction in mountain area location with the Bridge Erector, it is safe and reliable, easy to control the quality, and can reduce it is economical at
This, farthest saves the duration, makes a high-speed railway complete to be open to traffic faster, create great national economic profit.
The heavy grade that the utility model is mainly used in ± 20 ‰~25 ‰ interval range of High-speed Passenger Dedicated Lines is set a roof beam in place
Construction.
Detailed description of the invention
The first rear car girder increases the front view that 30cm increases section when Fig. 1 is 25 ‰ upward slope.
Second rear car girder and the front view of adjustment suspension status when Fig. 2 is 25 ‰ descending.
Front frame increases the front view that 15cm increases section when Fig. 3 is 25 ‰ descending.
Auxiliary leg increases the front view that 55cm increases section when Fig. 4 is 25 ‰ descending.
Auxiliary leg increases the side view that 55cm increases section 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
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figures 1 to 7, a kind of flow type bridge erecting machine of the utility model, being includes front truck, rear car, girder, main branch
Leg, auxiliary leg, front and back suspender, traveling control system SLJ900 flow type bridge erecting machine.SLJ900 flow type bridge erecting machine is existing
There is technology, wherein rear car includes rear car suspension, rear car hanging oil cylinder 4, Rear frame, Rear frame wheel and the first rear car girder 2,
Front truck includes front frame, front truck suspension, front frame wheel and front truck girder, and main supporting leg includes turn back hydraulic cylinder, head tree, supporting leg
Brace, brace bolt hydraulic cylinder, brace steel pin, lower beam and bearing beam, are bolted, brace steel between lower beam and bearing beam
Pin includes upper steel pin and lower steel pin, and auxiliary leg includes pin hole, steel pin and contraction jacking cylinder.The utility model is existing
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 SLJ900 flow type bridge erecting machine,
Section can be increased loaded on the auxiliary leg in auxiliary leg highly for 55cm, can increased loaded on the front truck on front truck girder being highly 15cm
Height section 5, than the second rear car girder 3 of the low 30cm of the first rear car girder 2.Rear car increases the top that section 1 is loaded on the first rear car girder 2
It is intermediate.Auxiliary leg increases the top that section is loaded on auxiliary leg.Front truck increases section 5 loaded between front truck girder and front frame.The
The top center of two rear car girders 3 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
The following steps are included:
(1) before setting a roof beam in place, according to erecting beam construction place 20 ‰~25 ‰ interval range gradients, by the disassembly for installing 30cm high
Rear car increases section 1, and 4 liters of 25cm of rear car hanging oil cylinder reduce the gradient of crane's major girder when setting a roof beam in place, while ensuring horizontal under main supporting leg
Depth of beam 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；Front and back is moved
Main supporting leg is moved to suitable position, front truck suspension height is gradually decreased, keeps main supporting leg in place, lift front truck suspension, hang front truck
It is detached from 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 it is oblique strictly to monitor main supporting leg during via hole
The pressure of bar steel pin, when pressure anomaly of main supporting leg brace steel pin, need shutdown inspection；Upper steel pin 150kN alarm, 170kN power-off；
Lower steel pin 570kN alarm, 650kN power-off；Such as find main supporting leg horizontal force numerical exception, it is necessary to failure cause is checked, after exclusion
It can 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
When, make auxiliary leg in place at a slow speed, applies parking braking afterwards in place, and place stow-wood, auxiliary leg before and after Rear frame wheel
When reaching the bridge pier in front of frame aperture, auxiliary leg is in place at a slow speed, stops when pier center 1010mm in front of auxiliary leg center deviation
Only, 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；
Auxiliary leg is jacked up, main supporting leg is made to be detached from bridge pier, reaches after calculating top lifting height, steel pin, point is inserted into auxiliary leg pin hole
It is dynamic to shrink jacking cylinder, make 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 branch
Leg；
(6) to frame box beam front end lifting point, Bridge Erector carries out second step heavy duty via hole, via hole under the driving of rear car for lifting
Process strictly monitors the pressure of brace steel pin, and when pressure anomaly of brace steel pin needs shutdown inspection；Upper steel pin 150kN alarm,
170kN power-off；Lower steel pin 570kN alarm, 650kN power-off；Such as find main supporting leg horizontal force numerical exception, it is necessary to check failure original
Cause can continue via hole operation after exclusion；Timely reduction of speed when via hole will be in place, then goes slowly to specified position；It applies afterwards in place
Add parking braking, and place stow-wood 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, it is oblique that via hole process strictly monitors main supporting leg
The pressure of bar steel pin, when pressure anomaly of main supporting leg brace steel pin, need shutdown inspection；Upper steel pin 150kN alarm, 170kN power-off；
Lower steel pin 570kN alarm, 650kN power-off；Such as find main supporting leg horizontal force numerical exception, it is necessary to failure cause is checked, after exclusion
It can 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 transports 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 embodiment 1
It compares, 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 of ratio
The second rear car girder 3 of the low 30cm of girder 2, the front truck that 15cm high is installed in front frame increase section 5, install in auxiliary leg
The auxiliary leg of 55cm high increases section, and 25cm drops in rear car hanging oil cylinder, reduces the gradient of crane's major girder when setting a roof beam in place, ensures simultaneously
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 (3)
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 (4), Rear frame, Rear frame wheel and
First rear car girder (2), front truck include front frame, front truck suspension, front frame wheel and front truck girder, and main supporting leg includes liquid of turning back
Cylinder pressure, head tree, supporting leg brace, brace bolt hydraulic cylinder, brace steel pin, lower beam and bearing beam lead between lower beam and bearing beam
It crosses and is bolted, brace steel pin includes upper steel pin and lower steel pin, and auxiliary leg includes pin hole, steel pin and shrinks jacking cylinder,
It is characterized in that: further including that can increase section (1) loaded on the rear car on the first rear car girder (2) highly for 30cm, it can be loaded on auxiliary branch
Highly increase section on leg for the auxiliary leg of 55cm, section (5) can be increased loaded on the front truck on front truck girder being highly 15cm, than the
The second rear car girder (3) of the low 30cm of one rear car girder (2).
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821922012.XU CN209428958U (en) | 2018-11-21 | 2018-11-21 | A kind of flow type bridge erecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821922012.XU CN209428958U (en) | 2018-11-21 | 2018-11-21 | A kind of flow type bridge erecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209428958U true CN209428958U (en) | 2019-09-24 |
Family
ID=67969575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821922012.XU Withdrawn - After Issue CN209428958U (en) | 2018-11-21 | 2018-11-21 | A kind of flow type bridge erecting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209428958U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055894A (en) * | 2018-11-21 | 2019-07-26 | 中铁十一局集团第六工程有限公司 | A kind of flow type bridge erecting machine and its heavy grade erecting beam construction method |
| 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 |
-
2018
- 2018-11-21 CN CN201821922012.XU patent/CN209428958U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055894A (en) * | 2018-11-21 | 2019-07-26 | 中铁十一局集团第六工程有限公司 | A kind of flow type bridge erecting machine and its heavy grade erecting beam construction method |
| CN110055894B (en) * | 2018-11-21 | 2024-02-09 | 中铁十一局集团第六工程有限公司 | Mobile bridge girder erection machine and large-gradient girder erection construction method thereof |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190924 Effective date of abandoning: 20240209 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190924 Effective date of abandoning: 20240209 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |