CN209669706U - A kind of bridge construction three-dimensional synchronous push equipment - Google Patents
A kind of bridge construction three-dimensional synchronous push equipment Download PDFInfo
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- CN209669706U CN209669706U CN201920105544.2U CN201920105544U CN209669706U CN 209669706 U CN209669706 U CN 209669706U CN 201920105544 U CN201920105544 U CN 201920105544U CN 209669706 U CN209669706 U CN 209669706U
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Abstract
The utility model discloses a kind of bridge construction three-dimensional synchronous push equipment, including control system, hydraulic power unit and multiple groups pusher, every group of pusher includes straight skidding pedestal, horizontal sliding pedestal, it is longitudinally propelling oil cylinder, lateral correction oil cylinder and jacking cylinder, the oil cylinder that is longitudinally propelling is fixed on the side plate of straight skidding pedestal by longitudinal locking nut, its piston rod passes through longitudinal pin shaft and connect with the side of horizontal sliding pedestal, lateral correction oil cylinder is fixed on the side plate of horizontal sliding pedestal by lateral locking nut, its piston rod passes through lateral pin shaft and the outer wall of jacking cylinder connects.The equipment melts jacking, pushing tow, correction, detection, monitoring are integrated, and synchronization accuracy is high, is not necessarily to slipway beam, equipment is small and exquisite, and work progress is simple and convenient, safe and reliable.
Description
Technical field
The utility model belongs to equipment for bridge construction technical field more particularly to a kind of bridge construction three-dimensional synchronous push is set
It is standby.
Background technique
Currently, there are following unfavorable factors for traditional dilatory method in the construction technology of the girder steel of bridge:
1. requiring the flatness of beam bottom is 1mm；
2. 2 pier shafts that dilatory stress point is located therein, stress is relatively concentrated, and beams of concrete bottom flatness is more difficult to control,
It is be easy to cause slide plate unbalance stress, is also easy to produce crack；
3. the starting of dilatory method easily causes beam body and " leapfrogs " phenomenon, whole dilatory inertia is big, and position control difficulty is big.
Summary of the invention
Place, the utility model provide a kind of bridge construction three-dimensional synchronous push in order to overcome the above-mentioned deficiencies of the prior art
Equipment, which melts jacking, pushing tow, correction, detection, monitoring are integrated, and synchronization accuracy is high, is not necessarily to slipway beam, equipment is small and exquisite, applies
Work process is simple and convenient, safe and reliable.
To achieve the above objectives, the present invention adopts the following technical solutions: a kind of bridge construction three-dimensional synchronous push is set
It is standby, including control system, hydraulic power unit and multiple groups pusher, every group of pusher include straight skidding pedestal, horizontal sliding pedestal,
Be longitudinally propelling oil cylinder, lateral correction oil cylinder and jacking cylinder, it is described be longitudinally propelling oil cylinder be fixed on by longitudinal direction locking nut it is vertical
To on the side plate of sliding base, piston rod passes through longitudinal pin shaft and connect with the side of horizontal sliding pedestal, lateral correction oil cylinder
It is fixed on by lateral locking nut on the side plate of horizontal sliding pedestal, piston rod passes through the outer of lateral pin shaft and jacking cylinder
Wall connection, jacking cylinder are arranged in horizontal sliding pedestal, and horizontal sliding pedestal is that top and bottom are open case structure,
Jacking cylinder is equipped with parallel sliding surface with the two sides of horizontal sliding base contacts, and jacking cylinder is longitudinally propelling oil cylinder and transverse direction
Be equipped with displacement sensor in correction oil cylinder, institute's displacement sensors are connected to control system by cable, control system and
It is connected between hydraulic power unit by cable, hydraulic power unit is connected with multiple groups pusher by high-pressure oil pipe, and high-pressure oil pipe is equipped with
Control the solenoid directional control valve of hydraulic oil flow direction.
In the above-mentioned technical solutions, the cylinder cap of the jacking cylinder is connected using welding manner.
In the above-mentioned technical solutions, the jacking cylinder is directly contacted with straight skidding pedestal, between dynamic friction system
Number is less than or equal to 0.04.
In the above-mentioned technical solutions, the dynamic friction coefficient between the horizontal sliding pedestal and straight skidding pedestal be less than etc.
In 0.04.
In the above-mentioned technical solutions, the deviation of the sensor is 0.5mm.
In the above-mentioned technical solutions, the jacking cylinder, be longitudinally propelling in oil cylinder and lateral correction oil cylinder and be respectively equipped with pressure
Force snesor, each pressure sensor are wired to control system.
In the above-mentioned technical solutions, the hydraulic power unit includes the low pressure oil way for preloading, and the low pressure oil way is logical
It crosses low pressure valve group and is connected to jacking cylinder.
In the above-mentioned technical solutions, the hydraulic power unit is pressurized by variable-frequency motor.
In the above-mentioned technical solutions, the straight skidding pedestal, which is equipped with to be longitudinally propelling at the side plate of oil cylinder, is equipped with multiple tracks longitudinal direction
Stiffening plate, the horizontal sliding pedestal are equipped at the side plate of lateral correction oil cylinder and are equipped with multiple tracks transverse direction stiffening plate.
In the above-mentioned technical solutions, the two sides on the straight skidding pedestal are equipped with the pressing plate for guiding.
The beneficial effects of the utility model are: this equipment realizes that correction acts during pushing tow, position controllable precise, respectively
Control system interconnects, and any one bench control system all can serve as main controller, and other control systems are subsidiary engine, and host can be with
Subsidiary engine is controlled, realizes Multipoint synchronous control；Jacking cylinder is longitudinally propelling oil cylinder and lateral correction oil cylinder is fitted with displacement and pressure
The situation of force snesor, pressure monitor sensor loading condition, in time discovery overload or zero load, makes adjustment, displacement passes in time
Sensor feed back displacement data, by control system change variable-frequency motor revolving speed realize PID closed-loop control, realize jacking, promote and
The synchronously control of correction, synchronization accuracy are up to ± 0.5mm.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the pusher of the utility model.
Fig. 2 is the structural schematic diagram that the hydraulic power unit of the utility model is connect with two groups of pushers.
Fig. 3 uses schematic diagram for utility model.
Wherein: 1. control systems, 2. hydraulic power units, 3. straight skidding pedestals, vertically jacking is oily for 4. horizontal sliding pedestals 5.
Cylinder, 6. are longitudinally propelling oil cylinder, 7. lateral correction oil cylinders, 8. longitudinal locking nuts, 9. lateral locking nuts, 10. longitudinal pin shafts,
11. lateral pin shaft, 12. pressing plate, 13. oil pipe, 14. bearing beams, 15. cushion blocks, 16. girder steels, 17. sliding surfaces, 18. longitudinally reinforced plates,
19. lateral stiffening plate.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the utility model is described in further detail.
Such as Fig. 1 Fig. 2 and a kind of bridge construction three-dimensional synchronous push equipment shown in Fig. 3, including control system 2, hydraulic pump
It stands 3 and multiple groups pusher, every group of pusher includes straight skidding pedestal 4, horizontal sliding pedestal 5, is longitudinally propelling oil cylinder 6, laterally
Correction oil cylinder 7 and jacking cylinder 5, it is described be longitudinally propelling oil cylinder 6 and pass through longitudinal locking nut 8 be fixed on straight skidding pedestal 3
On side plate, piston rod passes through longitudinal pin shaft 10 and connect with the side of horizontal sliding pedestal 4, and lateral correction oil cylinder 7 passes through transverse direction
Locking nut 9 is fixed on the side plate of horizontal sliding pedestal 4, and piston rod passes through the outer wall of lateral pin shaft 11 and jacking cylinder 5
Connection, jacking cylinder 5 are arranged in horizontal sliding pedestal 4, and horizontal sliding pedestal 4 is that top and bottom are open box knot
Structure, the two sides that jacking cylinder 5 is contacted with horizontal sliding pedestal 4 are equipped with parallel sliding surface 17, and jacking cylinder 5 is longitudinally propelling oil
It is equipped with displacement sensor in cylinder 6 and lateral correction oil cylinder 7, institute's displacement sensors are connected to control system 1 by cable,
It being connected between control system 1 and hydraulic power unit 2 by cable, hydraulic power unit 2 is connected with multiple groups pusher by high-pressure oil pipe,
High-pressure oil pipe is equipped with the solenoid directional control valve of control hydraulic oil flow direction.
In the above-mentioned technical solutions, the cylinder cap of the jacking cylinder 5 is connected using welding manner.Than conventional threaded connection
Mode it is more reliable, the body height of oil cylinder is lower, and versatility is stronger.
In the above-mentioned technical solutions, the jacking cylinder 5 is directly contacted with straight skidding pedestal 3, between dynamic friction
Coefficient is less than or equal to 0.04.Such structure is more stable, more succinctly.
In the above-mentioned technical solutions, the dynamic friction coefficient between the horizontal sliding pedestal 4 and straight skidding pedestal 3 is less than
Equal to 0.04.
In the above-mentioned technical solutions, the deviation of the sensor is 0.5mm.
In the above-mentioned technical solutions, the jacking cylinder 5, be longitudinally propelling in oil cylinder 6 and lateral correction oil cylinder 7 and be respectively equipped with
Pressure sensor, each pressure sensor are wired to control system 1.
In the above-mentioned technical solutions, the hydraulic power unit 2 includes the low pressure oil way for preloading, and the low pressure oil way is logical
It crosses low pressure valve group and is connected to jacking cylinder 5.Make to jack by low pressure valve group (setting pressure is 8MPa, and low pressure cannot push girder steel)
The piston rod of oil cylinder 5, which stretches out, contacts and pre-tightens girder steel, and the rodless cavity for the oil-lifting jar 5 that hangs down is equipped with pressure sensor, and pressure sensor is logical
It crosses conducting wire to be connected in control system 1, judges whether jacking cylinder 5 contacts preload steel by judging whether pressure is greater than 5MPa
Beam, to make corresponding adjustment.
In the above-mentioned technical solutions, the hydraulic power unit 2 is pressurized by variable-frequency motor.Synchronously control is to pass through control
The revolving speed of variable-frequency motor realizes PID synchronously control, and conventional scheme is opened by the frequent closing of solenoid valve to realize synchronization
Control, conventional scheme precision is low, and speed is uneven, has break, and solenoid valve is easily damaged.Pass through variable-frequency motor tune
Reachable ± the 0.5mm of Jacking point synchronization accuracy of each jacking cylinder 5 of speed.
In the above-mentioned technical solutions, the straight skidding pedestal 3 is equipped with to be longitudinally propelling at the side plate of oil cylinder 6 and indulge equipped with multiple tracks
To stiffening plate 18, the horizontal sliding pedestal 4 is equipped at the side plate of lateral correction oil cylinder 7 and is equipped with multiple tracks transverse direction stiffening plate 19.
In the above-mentioned technical solutions, the two sides on the straight skidding pedestal 3 are equipped with the pressing plate 12 for guiding.
Using the utility model equipment when, need to cooperate bearing beam 14 and cushion block 15 to use, bearing beam 14 be placed on vertically
On the piston of jacking cylinder, cushion block is placed under girder steel 16, the multiple groups equipment is used in combination, between each control system 1 mutually
Connection, any one bench control system 1 all can serve as host use, realize remote synchronized control system.
By taking the single equipment as an example, control system 1 is stretched out the piston rod of jacking cylinder 5 by hydraulic power unit 2, thus will
Girder steel 16 jack up, control system 1 again by hydraulic power unit 2 will be longitudinally propelling oil cylinder 6 piston stretch out, at this time girder steel 16 therewith to
Preceding movement, if there is lateral deviation during girder steel is mobile, control system 1 adjusts the transverse direction of girder steel 16 by lateral correction oil cylinder 7
Displacement, to guarantee that girder steel 16 is displaced accurately, after the movement in place of girder steel 16, the piston rod of jacking cylinder 5 is retracted, and falls girder steel 16
Onto cushion block 15, the piston rod for being longitudinally propelling oil cylinder 6 is retracted, and completes the pushing tow work an of stroke.
In the equipment running process, when displacement sensor exceeds scheduled value, control system 1 is by changing variable-frequency electric
The revolving speed of machine controls the flow of corresponding oil cylinder to realize synchronously control, which is that PID closed-loop synchronization controls.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.
Claims (10)
1. a kind of bridge construction three-dimensional synchronous push equipment, it is characterized in that: including control system, hydraulic power unit and multiple groups pushing tow
Machine, every group of pusher include straight skidding pedestal, horizontal sliding pedestal, are longitudinally propelling oil cylinder, lateral correction oil cylinder and jacking oil
Cylinder, the oil cylinder that is longitudinally propelling are fixed on the side plate of straight skidding pedestal by longitudinal locking nut, and piston rod passes through vertical
It is connect to pin shaft with the side of horizontal sliding pedestal, lateral correction oil cylinder is fixed on horizontal sliding pedestal by lateral locking nut
Side plate on, piston rod passes through lateral pin shaft and the outer wall of jacking cylinder connects, and jacking cylinder is arranged in horizontal sliding pedestal
Interior, horizontal sliding pedestal is that top and bottom are open case structure, the two sides of jacking cylinder and horizontal sliding base contacts
Equipped with parallel sliding surface, jacking cylinder is longitudinally propelling in oil cylinder and lateral correction oil cylinder and is equipped with displacement sensor, institute's rheme
Displacement sensor is connected to control system by cable, is connected between control system and hydraulic power unit by cable, hydraulic pump
It stands and is connected with multiple groups pusher by high-pressure oil pipe, high-pressure oil pipe is equipped with the solenoid directional control valve of control hydraulic oil flow direction.
2. bridge construction three-dimensional synchronous push equipment according to claim 1, it is characterized in that: the cylinder cap of the jacking cylinder
It is connected using welding manner.
3. bridge construction three-dimensional synchronous push equipment according to claim 1, it is characterized in that: the jacking cylinder and longitudinal direction
Sliding base directly contacts, between dynamic friction coefficient be less than or equal to 0.04.
4. bridge construction three-dimensional synchronous push equipment according to claim 1, it is characterized in that: the horizontal sliding pedestal with
Dynamic friction coefficient between straight skidding pedestal is less than or equal to 0.04.
5. bridge construction three-dimensional synchronous push equipment according to claim 1, it is characterized in that: the deviation of the sensor is
0.5mm。
6. bridge construction three-dimensional synchronous push equipment according to claim 1, it is characterized in that: the jacking cylinder, longitudinal direction
Pressure sensor is respectively equipped on propelling cylinder and lateral correction oil cylinder, each pressure sensor is wired to control system
System.
7. bridge construction three-dimensional synchronous push equipment according to claim 1, it is characterized in that: the hydraulic power unit includes to use
In the low pressure oil way of preloading, the low pressure oil way is connected to jacking cylinder by low pressure valve group.
8. bridge construction three-dimensional synchronous push equipment according to claim 1, it is characterized in that: the hydraulic power unit passes through change
Frequency motor is pressurized.
9. bridge construction three-dimensional synchronous push equipment according to claim 1, it is characterized in that: the straight skidding pedestal is set
Have and be equipped with the longitudinally reinforced plate of multiple tracks at the side plate for being longitudinally propelling oil cylinder, the horizontal sliding pedestal is equipped with the side of lateral correction oil cylinder
Multiple tracks transverse direction stiffening plate is equipped at plate.
10. bridge construction three-dimensional synchronous push equipment according to claim 1, it is characterized in that: the straight skidding pedestal
On two sides be equipped with for guiding pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920105544.2U CN209669706U (en) | 2019-01-22 | 2019-01-22 | A kind of bridge construction three-dimensional synchronous push equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920105544.2U CN209669706U (en) | 2019-01-22 | 2019-01-22 | A kind of bridge construction three-dimensional synchronous push equipment |
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| Publication Number | Publication Date |
|---|---|
| CN209669706U true CN209669706U (en) | 2019-11-22 |
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ID=68566539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920105544.2U Active CN209669706U (en) | 2019-01-22 | 2019-01-22 | A kind of bridge construction three-dimensional synchronous push equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501574A (en) * | 2020-05-11 | 2020-08-07 | 中交二公局第五工程有限公司 | Steel plate girder S plane linear guide-beam-free split parallel pushing construction method |
| CN112027973A (en) * | 2020-08-19 | 2020-12-04 | 武汉力地液压设备有限公司 | Three-dimensional hydraulic system |
| CN112726412A (en) * | 2020-12-28 | 2021-04-30 | 山东大学 | Precise three-dimensional positioning device and method for steel box girder hoisting closure |
-
2019
- 2019-01-22 CN CN201920105544.2U patent/CN209669706U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501574A (en) * | 2020-05-11 | 2020-08-07 | 中交二公局第五工程有限公司 | Steel plate girder S plane linear guide-beam-free split parallel pushing construction method |
| CN111501574B (en) * | 2020-05-11 | 2021-11-09 | 中交二公局第五工程有限公司 | Steel plate girder S plane linear guide-beam-free split parallel pushing construction method |
| CN112027973A (en) * | 2020-08-19 | 2020-12-04 | 武汉力地液压设备有限公司 | Three-dimensional hydraulic system |
| CN112027973B (en) * | 2020-08-19 | 2022-04-29 | 武汉力地液压设备有限公司 | Three-dimensional hydraulic system |
| CN112726412A (en) * | 2020-12-28 | 2021-04-30 | 山东大学 | Precise three-dimensional positioning device and method for steel box girder hoisting closure |
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