CN205780067U - Walking pushing tow system pumping plant - Google Patents
Walking pushing tow system pumping plant Download PDFInfo
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- CN205780067U CN205780067U CN201620588250.6U CN201620588250U CN205780067U CN 205780067 U CN205780067 U CN 205780067U CN 201620588250 U CN201620588250 U CN 201620588250U CN 205780067 U CN205780067 U CN 205780067U
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Abstract
A kind of walking pushing tow system pumping plant, overall control center has: for inputting the setup unit of the shift standards setting value of jacking, pushing tow, correction；For the time reality displacement data input receiving unit receiving jacking, pushing tow, operation of rectifying a deviation；Jacking, pushing tow, control unit of rectifying a deviation；Jacking, pushing tow, performance element of rectifying a deviation；PLC automatic control unit.Its advantage is to realize, with a turn-key system, multiple pushing tow unit are carried out Three dimensions control to realize continuous synchronization work, and control accuracy is high, reduces human cost；Extensibility is strong, and versatility is high: pushing tow unit can be increased or decreased by pumping plant and jack quantity are increased or decreased, thus meet different spans, the engineering construction needs of different tonnage；Component need not be carried out temperature pier, after equipment once mounting, can need not can save bridge construction expense because of steel strand wires length midway disassemblerassembler not until completion；There is dynamic correcting function, overcome conventional tractive manner can only advance the shortcoming that can not retreat.
Description
Technical field
This utility model relates to a kind of engineering construction machinery, a kind of step for large-scale component integral translation
Shoe formula pushing tow system pumping plant.
Background technology
Successively incremeantal launching method technology is the most more widely used in the translation construction of large-scale component.For large span structure such as
In bridge steel box girder incremental launching construction, existing construction method typically uses successively incremeantal launching method or the way dragged, and needs steel box-girder
Or beams of concrete external tendon carries out temperature pier, form bridge and release；Use the form of steel strand wires traction, every pushing tow one section, steel
Twisted wire need to be reinstalled.The method working procedure is loaded down with trivial details, and cost is high, and can only advance and can not retreat, the water simultaneously repeatedly started
Horizontal sliding power or pulling force are unfavorable to the force status of flexible pier.In recent years in engineering construction, a kind of walking pushing tow is being begun with
Construction method, is realized walking pushing tow by translation jack, the alternation of jack, is kept by correction jack
Pushing tow direction, the method need not carry out steel box-girder or beams of concrete external tendon temperature pier, is also not required to use steel strand wires.
Realize one of key of walking pushing tow, be the driving accurate to jack of requirement hydraulic power unit, stretch cylinder contracting cylinder by jack
Action realizes the lifting of component, translates and rectify a deviation.The most conventional walking pushing tow system, its jack, level are very heavy
Top and correction jack are general the most all to be driven by independent pumping plant, also some can by jack and level jack by
One pumping plant drives, and correction jack is driven by another pumping plant.Due to each subsystem independent operating, use in different master controls
The heart, synchronization accuracy controls the most impacted, simultaneously need to more more operator.
Utility model content
The purpose of this utility model is just to provide one can realize vertical lifting system, longitudinal pushing tow system, dynamic
The subsystems such as deviation-rectifying system integrate, and set of system can meet vertical lifting, vertical equity pushing tow and laterally automatically entangle
Inclined function, simple in construction, the walking pushing tow system pumping plant that construction space is little.
Solution of the present utility model is such that
This utility model provides a kind of walking pushing tow system pumping plant, can realize vertical lifting system, longitudinal pushing tow system,
The subsystems such as horizontal dynamic correcting system integrate, and set of system can meet vertical lifting, vertical equity pushing tow and horizontal stroke
To the function of automatic deviation correction, a simple in construction, construction space is little.
Content of the present utility model includes: a kind of walking pushing tow system pumping plant, including overall control center, n platform hydraulic power unit,
Every hydraulic power unit is equipped with motor, electric cabinet, fuel tank, pile-up valve group, converter, pressure transducer etc., concrete invention
Content is as follows:
A kind of walking pushing tow system pumping plant, including pumping plant, overall control center, each pumping plant is equipped with and includes fuel tank, integrated
Valve group and the pushing tow unit into and out of hydraulic fluid port, described overall control center has:
(1) jacking, pushing tow, shift standards setup unit of rectifying a deviation, for inputting jacking, pushing tow, the shift standards of correction set
Definite value；
(2) jacking, pushing tow, correction real-time displacement data input receiving unit, be used for receiving jacking, pushing tow, operation of rectifying a deviation
Time reality displacement data；
(3) jacking, pushing tow, control unit of rectifying a deviation, for by the jacking received, pushing tow, rectify a deviation operation time reality displacement number
Compare according to jacking, pushing tow, the shift standards setting value rectified a deviation, if real-time displacement data when jacking, pushing tow operation
Reach the shift standards setting value of jacking, pushing tow, send stopping jacking, pushing tow job instruction；If correction operation time real-time
The shift standards setting value of displacement data deviation correction, it is judged that offset direction, sends to the correction jack of respective direction and entangles
Instruction partially, carry out rectifying a deviation operation；
(4) jacking, pushing tow, performance element of rectifying a deviation, this unit includes each electromagnetic valve forming electromagnetic valve main valve, is used for receiving
Jacking, the pushing tow that overall control center sends, instruction of rectifying a deviation, control corresponding electromagnetic valve work in electromagnetic valve main valve, it is achieved to jacking,
Pushing tow, the control of operation of rectifying a deviation；
(5) PLC automatic control unit: according to the shift value of the displacement transducer collected, the force value of pressure transducer,
The pressure switch signal of telecommunication, sends instruction to converter and motor is carried out speed governing；When jack carries out stretching cylinder, receive displacement
The shift value of sensor, the signal that solenoid directional control valve is controlled by output, until it reaches the stroke of setting；In jack pressurize
Time, receive the force value of pressure transducer, the signal that solenoid directional control valve is controlled by output, keep dwell pressure；Very heavy
Fight back journey on earth time, receive the signal of telecommunication of pressure switch, output signal that solenoid directional control valve is controlled, cut off electromagnetism and change
To the circuit of valve, stop to jack fuel feeding.
More specifically technical scheme also includes: described pile-up valve group includes the unit radial plunger of many mouthfuls of multiple pressure outputs
Pump, electromagnetic valve main valve, solenoid directional control valve, jacking pressure retaining valve；The unit radial plunger displacement pump of described many mouthfuls of multiple pressures output is provided with:
Jacking oil-in, oil return opening, be used for driving jack；
It is provided with pushing tow oil-in, oil return opening, is used for driving horizontal pushing tow jack；
It is provided with correction oil-in, oil return opening, is used for driving correction jack；
Each oil-in and oil return opening are furnished with a solenoid directional control valve, in order to control a jack；Described jacking pressurize
Valve is located between each jack of connection and the oil circuit of each unit radial plunger displacement pump, and i.e. jacking oil circuit is from unit radial post
Jacking oil-in on plug pump first passes through pressure retaining valve and is connected to jack.
Further: the plunger quantity of the unit radial plunger displacement pump of many mouthfuls of described multiple pressure outputs and solenoid directional control valve quantity
The quantity of the pushing tow unit optionally driven increases and decreases, it is achieved a pumping plant controls m pushing tow unit；How many according to pushing tow unit
Needs, use n platform pumping plant, controlled by overall control center, it is achieved control m × n pushing tow cell operation simultaneously.
Further: described overall control center is unique host, separating independently installed with described pumping plant is a unit.
Further: described overall control center is to separate the independently installed overall structure being integrated with described pumping plant.
The invention have the advantage that
1, realize, with a turn-key system, multiple pushing tow unit are carried out Three dimensions control and realize continuous synchronization work, control essence
Degree height, reduces labor intensity, reduces human cost.
2, extensibility is strong, and versatility is high: actual according to engineering, increases by pumping plant and jack quantity are increased or decreased
Add deduct few pushing tow unit, thus meets different spans, the engineering construction needs of different tonnage.
3, component need not be carried out temperature pier, it is not necessary to use steel strand wires, can be until completion after equipment once mounting, nothing
Bridge construction expense must can be saved because of steel strand wires length midway disassemblerassembler not.
4, there is dynamic correcting function, can rectify a deviation during advancing in time, keep the straight line of component to greatest extent
Motion, it is to avoid component runs unstability, thus ensures that the gradient of box beam, full-bridge are linear.
5, conventional tractive manner is overcome can only to advance the shortcoming that can not retreat.
Accompanying drawing explanation
Fig. 1 is walking pushing tow system pumping plant Controling network network figure of the present utility model.
Fig. 2 is the front view of this utility model walking pushing tow systems pumps station structure.
Fig. 3 is the right view of Fig. 2.
Fig. 4 is the pushing tow cell schematics that walking pushing tow system pumping plant of the present utility model controls.
Fig. 5 is the deviation correcting device schematic diagram that walking pushing tow system pumping plant of the present utility model controls.
Pushing tow unit layout drawing when Fig. 6 is walking pushing tow system pumping plant of the present utility model multi-platform combined use.
Fig. 7 is walking pushing tow system pumping plant hydraulic schematic diagram of the present utility model.
In accompanying drawing:
A. lowering or hoisting gear, B. thrustor, C. deviation correcting device, D. component, E. deviation correcting device mounting platform, F. pushing tow list
Unit's mounting platform, G. falls boom support.
1. fuel tank, 2.1# jacking oil-in, 2a.1# jacking oil return opening, 3.1# pushing tow oil-in, 3a.1# pushing tow oil return opening,
4.2# pushing tow oil-in, 4a.2# pushing tow oil return opening, 5.2# jacking oil-in, 5a.2# jacking oil return opening, 6.1# rectifies a deviation oil-in,
6a.1# rectifies a deviation oil return opening, and 7.2# rectifies a deviation oil-in, and 7a.2# rectifies a deviation oil return opening, 8. displacement transducer interface, 9. jacking pressure retaining valve,
10. pressure transducer 11.1# lift-up pressure table, 12.2# lift-up pressure table, 13. pressure summary tables, 14. switch boards, 15. motors,
16. power interfaces, 17. running wheels, 18. solenoid directional control valves, 19. plunger displacement pumps, 20. electromagnetic valve main valves, 21. jacks,
22. jacking displacement transducers, 23. steel cushion blocks, 24. pushing tow jack pistons, 25. pushing tow displacement transducers, 26. pushing tows are very heavy
Top, 27. reaction frames, 28. ball pivot devices, 29. cushion blocks, 30. fishbacks, 31. bulb flats, 32. jack pistons, 33. spiral shells
Bolt, 34. sliding casees, 35. correction jack, 36. correction displacement transducers, 37. roller mounting brackets, 38. rollers.
Detailed description of the invention
A kind of walking pushing tow system pumping plant as shown in Figure 1, including pumping plant, overall control center, each pumping plant is provided with and includes
Fuel tank, pile-up valve group and the pushing tow unit into and out of hydraulic fluid port, described overall control center has:
(1) jacking, pushing tow, shift standards setup unit of rectifying a deviation, for inputting jacking, pushing tow, the shift standards of correction set
Definite value；
(2) jacking, pushing tow, correction real-time displacement data input receiving unit, be used for receiving jacking, pushing tow, operation of rectifying a deviation
Time reality displacement data；
(3) jacking, pushing tow, control unit of rectifying a deviation, for by the jacking received, pushing tow, rectify a deviation operation time reality displacement number
Compare according to jacking, pushing tow, the shift standards setting value rectified a deviation, if real-time displacement data when jacking, pushing tow operation
Reach the shift standards setting value of jacking, pushing tow, send stopping jacking, pushing tow job instruction；If correction operation time real-time
The shift standards setting value of displacement data deviation correction, it is judged that offset direction, sends to the correction jack of respective direction and entangles
Instruction partially, carry out rectifying a deviation operation；
(4) jacking, pushing tow, performance element of rectifying a deviation, this unit includes each electromagnetic valve forming pile-up valve group, is used for always receiving
Jacking, the pushing tow that control center sends, instruction of rectifying a deviation, corresponding electromagnetic valve work in controlling pile-up valve group, it is achieved to jacking, top
Push away, the control of operation of rectifying a deviation；
(5) PLC automatic control unit: according to the jacking displacement transducer 22 collected, pushing tow displacement transducer 25, correction
The shift value of displacement transducer 36, the force value of pressure transducer 10, the pressure switch signal of telecommunication, send instruction to converter right
Motor carries out speed governing；When jack carries out stretching cylinder, receive jacking displacement transducer 22, pushing tow displacement transducer 25, correction
The shift value of displacement transducer 36, the signal that solenoid directional control valve is controlled by output, until it reaches the stroke of setting；Very heavy
During the pressurize of top, receive the force value of pressure transducer 10, the signal that solenoid directional control valve is controlled by output, keep pressurize pressure
Power；Jack backhaul on earth time, receive the signal of telecommunication of pressure switch, output signal that solenoid directional control valve is controlled,
Cut off the circuit of solenoid directional control valve, stop to jack fuel feeding.
Described pile-up valve group includes the unit radial plunger displacement pump 19 of many mouthfuls of multiple pressure outputs, 20,6 electromagnetism of electromagnetic valve main valve
Reversal valve 18, jacking pressure retaining valve 9；The unit radial plunger displacement pump of described many mouthfuls of multiple pressures output is provided with:
1# jacking oil-in 2,1# jacking oil return opening 2a, for driving a jack；2# jacking oil-in 5,2#
Jacking oil return opening 5a, is used for driving another jack；
It is provided with 1# pushing tow oil-in 3,1# pushing tow oil return opening 3a, for driving a horizontal pushing tow jack；2# pushing tow enters
Hydraulic fluid port 4,2# pushing tow oil return opening 4a, be used for driving another horizontal pushing tow jack；
It is provided with rectify a deviation oil-in 6,1# of 1# to rectify a deviation oil return opening 6a, for driving a correction jack；2# rectifies a deviation oil-in
7,2# rectifies a deviation oil return opening 7a, is used for driving another correction jack.
Each oil-in and oil return opening are furnished with a solenoid directional control valve 18, in order to control a jack；Described jacking is protected
Pressure valve 9 is located between each jack 21 of connection and the oil circuit of each unit radial plunger displacement pump 19, i.e. jacking oil circuit is from list
Jacking oil-in on unit's radial plunger pump first passes through jacking pressure retaining valve 9 and is connected to jack.
Plunger quantity and the solenoid directional control valve quantity of the unit radial plunger displacement pump of many mouthfuls of described multiple pressure outputs are optionally driven
The quantity of dynamic pushing tow unit increases and decreases, it is achieved a pumping plant controls m pushing tow unit；According to the needs that pushing tow unit is how many,
Use n platform pumping plant, controlled by an overall control center, it is achieved control m × n pushing tow cell operation simultaneously.
In the present embodiment, described overall control center is to be installed as overall structure integrally with described pumping plant.
Fig. 2, the walking pushing tow system pumping plant shown in 3, including overall control center, motor 15, electric cabinet 14, fuel tank 1, collection
Become valve group, converter, pressure transducer 10 etc., described pile-up valve group include many mouthfuls of multiple pressures outputs unit radial plunger displacement pump 19,
Electromagnetic valve main valve 20 solenoid directional control valve 18, jacking pressure retaining valve 9.
Described unit radial plunger displacement pump, is provided with jacking oil-in 2,5 and jacking oil return opening 2a, 5a, is used for driving jacking thousand
Jin top；It is provided with pushing tow oil-in 3,4 and pushing tow oil return opening 3a, 4a, is used for driving horizontal pushing tow jack；It is provided with correction oil-in
6,7 and correction oil return opening 6a, 7a, be used for driving correction jack.
One oil-in and an oil return opening are furnished with a solenoid directional control valve 18, can control a jack.
Described jacking pressure retaining valve 9 is located between connection jack and the oil circuit of unit unit radial plunger displacement pump.
When carrying out walking incremental launching construction in Fig. 4, the pushing tow system shown in 5, jack 21, horizontal pushing tow thousand
Jin top 26, correction jack 35 and their adnexa can form a pushing tow unit.
The quantity of the entering of unit radial plunger displacement pump, oil return opening quantity and solenoid directional control valve quantity can be joined the most flexibly
Put, it is achieved pumping plant control m control unit (the present embodiment sets 6 oil-ins, 6 oil return openings, 6 solenoid directional control valves 18,
2 pushing tow unit can be controlled).
According to the needs that pushing tow unit is how many, n platform pumping plant can be used simultaneously, be controlled by a control centre, it is achieved with
Time control m × n pushing tow cell operation.Structure shown in pie graph 6.
The hydraulic system of one pushing tow unit as it is shown in fig. 7,
When practice of construction, each unit that pushes away is equipped with sliding case 34, and sliding case one end is provided with pushing reaction frame 27, as level
Pushing tow fulcrum；Horizontal pushing tow jack 26 and jack 21 are placed on sliding case, the piston of pushing tow unit horizontal jack
Set a steel cushion block 23 between 24 and jack oil cylinder, be bolted and make level jack 26 and jack 21 shape
Becoming an entirety, jack 21 can arrange the adnexaes such as backing plate 29, fishback 30 and bulb flat 31 as required for carrying
Component；Correction jack 35 is arranged on the both sides of component direction of advance.
Following control method is used when construction:
1, after inputting construction parameter by the touch screen of Master Control Center, starting device, equipment work the most as follows
Make:
2, jacking component: overall control center sends instruction, controls the electromagnetic switch valve events of jacking, supplies to jack 21
Oil, jack 21 is stretched cylinder, is lifted off boom support G by component D, is simultaneously attached to the displacement on jack 21 oil cylinder
Sensor 22 is measured shift value in real time and sends data to overall control center.When jacking reaches to set stroke, overall control center is sent out
Going out instruction, cut off solenoid directional control valve power supply, fuel cut-off, meanwhile, jacking pressure retaining valve 9 works, and keeps pressure.Now mechanism load
By falling, boom support G transfers to jack 21；
3, pushing tow component: overall control center sends instruction, controls the electromagnetic switch valve events of pushing tow, supplies to pushing tow jack 26
Oil, pushing tow jack 26 is stretched cylinder, is promoted jack 21 sliding together with bulb flat 31, fishback 30, backing plate 29 and component D
To front sliding in case 34, the displacement transducer 25 being simultaneously attached on horizontal pushing tow jack 26 oil cylinder measures shift value also in real time
Sending data to overall control center, when reaching to set stroke, overall control center sends instruction, cuts off solenoid directional control valve power supply, stops
Only fuel feeding, horizontal pushing tow jack 26 stops stretching cylinder；
4, Luo Liang: overall control center sends instruction, controls the electromagnetic switch valve events of pushing tow, and pushing tow jack 21 oil return is also contracted
Cylinder, component D drops on boom support G again, and now mechanism load is shifted falling boom support G by jack 21；
5, horizontal pushing tow jack backhaul: overall control center sends instruction, controls the electromagnetic switch valve events of pushing tow, level top
Push away jack 26 oil return contracting cylinder, drive jack 21 to return to initial bit together with bulb flat 31, fishback 30, backing plate 29
Put.
6, correction: during horizontal pushing tow, the displacement transducer 36 being arranged on correction jack 35 oil cylinder is the most right
Component G deviation value is monitored and transfers data to overall control center, and as occurred, deviation reaches setting value, and overall control center sends
Instruction, control to rectify a deviation the electromagnetic switch valve events of jack, and the correction jack 35 being located off side, direction stretches cylinder, apply with
The power that component G offset direction is contrary is rectified a deviation, and when reaching correction stroke, overall control center sends instruction, cuts off electromagnetic switch
Valve power supply, fuel cut-off, correction jack 35 stops.
Constantly repeat the above steps, the walking pushing tow that can realize component puts in place.
Claims (5)
1. a walking pushing tow system pumping plant, including pumping plant, overall control center, each pumping plant is equipped with and includes fuel tank, pile-up valve
Group and the pushing tow unit into and out of hydraulic fluid port, it is characterised in that: described overall control center has:
Jacking, pushing tow, shift standards setup unit of rectifying a deviation, for inputting the shift standards setting value of jacking, pushing tow, correction；
Jacking, pushing tow, correction real-time displacement data input receiving unit, for receiving the time reality position of jacking, pushing tow, operation of rectifying a deviation
Move data；
Jacking, pushing tow, control unit of rectifying a deviation, for by the jacking received, pushing tow, rectify a deviation operation time reality displacement data and top
Liter, pushing tow, the shift standards setting value rectified a deviation compare, if real-time displacement data when jacking, pushing tow operation reach top
Liter, the shift standards setting value of pushing tow, send stopping jacking, pushing tow job instruction；If real-time displacement number during correction operation
Shift standards setting value according to deviation correction, it is judged that offset direction, sends correction instruction to the correction jack of respective direction,
Carry out rectifying a deviation operation；
Jacking, pushing tow, performance element of rectifying a deviation, this unit includes each electromagnetic valve forming pile-up valve group, is used for receiving overall control center
Jacking, the pushing tow sent, instruction of rectifying a deviation, corresponding electromagnetic valve work in controlling pile-up valve group, it is achieved to jacking, pushing tow, rectify a deviation
The control of operation；
PLC automatic control unit: continue according to the shift value of the displacement transducer collected, the force value of pressure transducer, pressure
The electrical equipment signal of telecommunication, sends instruction to converter and motor is carried out speed governing；When jack carries out stretching cylinder, received bit displacement sensor
Shift value, output signal that solenoid directional control valve is controlled, until it reaches the stroke of setting；When jack pressurize, connect
Receive the force value of pressure transducer, the signal that solenoid directional control valve is controlled by output, keep dwell pressure；In jack backhaul
Time on earth, receive the signal of telecommunication of pressure switch, the signal that solenoid directional control valve is controlled by output, cut off solenoid directional control valve
Circuit, stops to jack fuel feeding.
Walking pushing tow system pumping plant the most according to claim 1, it is characterised in that: described pile-up valve group includes many mouthfuls
The unit radial plunger displacement pump of multiple pressure output, electromagnetic valve main valve, solenoid directional control valve, jacking pressure retaining valve；Described many mouthfuls of multiple pressures output
Unit radial plunger displacement pump is provided with:
Jacking oil-in, oil return opening, be used for driving jack；
Pushing tow oil-in, oil return opening, be used for driving horizontal pushing tow jack；
Correction oil-in, oil return opening, be used for driving correction jack；
Each oil-in and oil return opening are furnished with a solenoid directional control valve, in order to control a jack；Described jacking pressure retaining valve sets
Connecting between each jack and the oil circuit of each unit radial plunger displacement pump, i.e. jacking oil circuit is from unit radial plunger displacement pump
On jacking oil-in first pass through pressure retaining valve and be connected to jack.
Walking pushing tow system pumping plant the most according to claim 2, it is characterised in that: the list of many mouthfuls of described multiple pressure outputs
The quantity of the pushing tow unit that the plunger quantity of unit's radial plunger pump and solenoid directional control valve quantity optionally drive increases and decreases, it is achieved
One pumping plant controls m pushing tow unit；According to the needs that pushing tow unit is how many, use n platform pumping plant, by an overall control center control
System, it is achieved simultaneously control m × n pushing tow cell operation.
Walking pushing tow system pumping plant the most according to claim 1, it is characterised in that: described overall control center is independent main
Machine, separating independently installed with described pumping plant is a unit.
Walking pushing tow system pumping plant the most according to claim 1, it is characterised in that: described overall control center is with described
Pumping plant separates the independently installed overall structure being integrated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620588250.6U CN205780067U (en) | 2016-06-17 | 2016-06-17 | Walking pushing tow system pumping plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620588250.6U CN205780067U (en) | 2016-06-17 | 2016-06-17 | Walking pushing tow system pumping plant |
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| CN205780067U true CN205780067U (en) | 2016-12-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927622A (en) * | 2016-06-17 | 2016-09-07 | 柳州黔桥工程材料有限公司 | Hydraulic walking pushing system pump stations |
| CN108560429A (en) * | 2017-09-18 | 2018-09-21 | 贵州路桥集团有限公司 | Stride thrustor and pushing method |
| CN109629441A (en) * | 2019-01-15 | 2019-04-16 | 中铁局集团有限公司 | PLC Multipoint synchronous three-dimensional hydraulic bridge incremental launching system and pushing method |
| CN109629440A (en) * | 2019-01-15 | 2019-04-16 | 中铁局集团有限公司 | Steel box-girder push construction method based on walking three-dimensional hydraulic incremental launching device |
| CN109629439A (en) * | 2019-01-15 | 2019-04-16 | 中铁局集团有限公司 | A kind of single pylon cable stayed bridge construction method |
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2016
- 2016-06-17 CN CN201620588250.6U patent/CN205780067U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927622A (en) * | 2016-06-17 | 2016-09-07 | 柳州黔桥工程材料有限公司 | Hydraulic walking pushing system pump stations |
| CN108560429A (en) * | 2017-09-18 | 2018-09-21 | 贵州路桥集团有限公司 | Stride thrustor and pushing method |
| CN109629441A (en) * | 2019-01-15 | 2019-04-16 | 中铁局集团有限公司 | PLC Multipoint synchronous three-dimensional hydraulic bridge incremental launching system and pushing method |
| CN109629440A (en) * | 2019-01-15 | 2019-04-16 | 中铁局集团有限公司 | Steel box-girder push construction method based on walking three-dimensional hydraulic incremental launching device |
| CN109629439A (en) * | 2019-01-15 | 2019-04-16 | 中铁局集团有限公司 | A kind of single pylon cable stayed bridge construction method |
| CN109629439B (en) * | 2019-01-15 | 2020-06-05 | 中铁一局集团有限公司 | Construction method of single-tower cable-stayed bridge |
| CN109629441B (en) * | 2019-01-15 | 2020-06-05 | 中铁一局集团有限公司 | PLC multipoint synchronous three-dimensional hydraulic bridge pushing system and pushing method |
| CN109629440B (en) * | 2019-01-15 | 2020-06-05 | 中铁一局集团有限公司 | Steel box girder pushing construction method based on walking type three-dimensional hydraulic pushing equipment |
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Address after: 545112 Sifang Industrial Zone, Xinxing Industrial Park, Liujiang County, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Liuzhou Qianqiao Technology Co.,Ltd. Address before: 545112 Sifang Industrial Zone, Xinxing Industrial Park, Liujiang County, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee before: LIUZHOU QIAN BRIDGE ENGINEERING MATERIALS Co.,Ltd. |
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