Stride pushing tow system
The utility model is related to engineering construction machinery technical field, more particularly to a kind of to be directed to large-scale component integral translation
Stride pushing tow system.
Successively incremeantal launching method technology is more and more widely applied in the translation construction of large-scale component.For the structure of large span
As in bridge steel box girder incremental launching construction, existing construction method is typically using successively incremeantal launching method or the method dragged, it is necessary to by steel case
Beam or beams of concrete carry out temperature pier with external tendon, are released into bridge；The form drawn using steel strand wires, per one section of pushing tow,
Steel strand wires need to be reinstalled.This method working procedure is cumbersome, and cost is high, and can only advance and can not retreat, while start repeatedly
Horizontal thrust or pulling force are unfavorable to the force status of flexible pier.Authorization Notice No. is the U of CN 201678949 disclosure of the invention one
Plant walking type pushing device, including sliding case, slideway, translation jack, jack and correction jack component；Sliding case is by sliding
Box main body unit and connection are slided between the cunning box main body connector composition of box main body unit, sliding box main body unit, sliding box main body list
It is flexibly connected between member and sliding box main body connector and between each sliding box main body connector by bolt；Slideway is by slideway main body
Unit, slideway main body connector composition, between slideway main unit, between slideway main unit and slideway main body connector, each
It is flexibly connected between slideway main body connector by bolt；Sliding case is integrally placed on slideway, in up-down structure, jack
In the jack mounting cylinder being mounted on slideway, translate the translation jack peace that jack is mounted on slideway
Fill on plate, correction jack component is mounted on the correction jack mounting bracket on slideway, and the device is very heavy by translating
Walking pushing tow is realized in top, the alternation of jack, it is not necessary to faced steel box-girder or beams of concrete with external tendon
Shi Jiagu, also without the use of steel strand wires.But there is following defect in it：1st, slideway, sliding case complicated and volume is big, weight
Weight, difficulty of processing is big, and cost is high, and required working space is big.2nd, each pushing unit needs 4 jacks and 4 pushing tows thousand
Jin top, not only equipment cost is high, and required work and accommodation space are big, it is impossible to realizing I-beam and bolt splicing construction
Component pushing tow.
Utility model content
The purpose of this utility model is just to provide a kind of system architecture simply, and working space is small, and cost is low, easy construction,
Fireballing stride pushing tow system.
Solution of the present utility model is such：
Thinking of the present utility model is：Including overall control center, power set, pushing unit, deviation correcting device, the power dress
Put including many hydraulic power unit monomers, each hydraulic power unit monomer has the unit radial plunger pump of many mouthfuls of multiple pressure output, each
Hydraulic power unit controls at least two pushing units respectively；Described overall control center is sent to each hydraulic power unit monomer respectively to be referred to
Order, controls each hydraulic power unit work；The pushing unit includes lowering or hoisting gear, thrustor, and described thrustor includes
The reaction frame, sliding case, horizontal pushing tow jack of pushing unit platform are fixed on, wherein horizontal pushing tow jack is to utilize reaction frame
As counter-force fulcrum, the lowering or hoisting gear is supported on sliding case, and lowering or hoisting gear is connected to level jack, is formed by level jack
Push the slide construction that lowering or hoisting gear is moved along sliding case inner slide；The lowering or hoisting gear is fixed with jack, and jacking is very heavy
Top top connects into the structure that sphere tongue and groove is connected or cambered surface tongue and groove is connected with bulb flat so that bulb flat is able to along ball
Shape face or arc oscillating, carry out the adjustment of Automatic Levelling and the flexible adjustment in direction；Bulb flat top and fishback）Connection,
The bottom of component is supported at the top of fishback by backing plate.
In such scheme：
The overall control center is commander's maincenter of whole system, the commander for being responsible for whole system work and control, and it can be with
It is unique host, can also be integrated on the hydraulic power unit.The overall control center is flat provided with electric cabinet, operation center or operation
Platform, PLC control unit, frequency converter, analog acquisition module etc..
The power set are the actuating unit of system, and it includes n platform hydraulic power units, the hydraulic power unit including fuel tank,
Unit radial plunger pump and control valve group, PLC control unit, frequency converter, analog acquisition mould that variable-frequency motor, many mouthfuls of multiple pressures are exported
Block, pressure sensor, displacement transducer and pressure switch etc..The control valve group includes and unit radial plungers pump plunger phase
Supporting solenoid directional control valve, overflow valve.
The lowering or hoisting gear is responsible for the raising and lowering of component, and it includes n × m platforms jack, installed in jacking thousand
Bulb flat on the piston of jin top, the fishback being positioned on bulb flat, the backing plate, very heavy installed in jacking being positioned on fishback
Push up the displacement transducer on oil cylinder.
The jack piston tip is concave spherical surface, and the bulb flat bottom is convex spherical, with piston concave spherical surface phase
Match somebody with somebody, the bulb flat and the jack piston keep centering by being located at the bolt in the center of circle.Take the benefit of this structure
It is jack automatic centering and jack loading end automatic leveling.
The fishback is placed in above bulb flat, and it uses comb structure, is in pushing tow mistake using the benefit of comb structure
Journey can avoid connecting bolt when running into member connecting plate, it is ensured that pass through.Bottom sets a convex surface, and groove is set with being located at bulb flat top
Xiang Qian is guarantee installation centering using the benefit of this structure and can anti-sliding stop.The backing plate is positioned on fishback.Just
During normal pushing tow, the direct bearing carrier of backing plate；When pushing tow run into element joints or it is other in the case of need to avoid connecting bolt etc. convex
When going out thing, backing plate, the direct bearing carrier of fishback are removed.
The thrustor is responsible for the horizontal sliding of component, and it includes n × m platforms level jack, very heavy installed in level
Push up the displacement transducer and sliding case on oil cylinder.
Described sliding case one end is provided with pushing reaction frame, is used as horizontal pushing tow fulcrum.
A ball pivot device is set between reaction frame and the pushing tow jack, its benefit is that angle and side can be realized in pushing tow
To flexible adjustment.
The sliding case surface is the sheet material of the high stainless steel plate of finish or the requirement of other satisfactions.
Every suit lowering or hoisting gear and a set of thrustor constitute a pushing unit；The water of each pushing unit in construction
A steel cushion block is set between the piston and jack oil cylinder of flat jack, being bolted makes level jack and jacking thousand
Jin top forms an entirety, detachable after the completion of construction, convenient shipment.
One pumping plant can control n × m pushing unit as needed.
The deviation correcting device is responsible for the work for correction when component is producing deviation during pushing tow, and it includes n × m platforms and entangled
Inclined jack, the roller for being arranged on very heavy piston tip of rectifying a deviation, the displacement transducer being arranged on correction jack oil cylinder, and
It is located at the movable billet between correction jack and correction reaction frame.It is to reduce to rub in correction using the benefit of roller structure
Power is wiped, increase is by property and prevents component damage；It is the anteroposterior position for adjusting correction jack for convenience using movable billet
Put, to adapt to different girder steel width.
Based on above-mentioned design philosophy, a kind of stride pushing tow system of the invention, including overall control center, power set, pushing tow
Unit, deviation correcting device, the power set include many hydraulic power unit monomers, and each hydraulic power unit monomer has many mouthfuls of multiple pressures defeated
The unit radial plunger pump gone out, each hydraulic power unit controls at least two pushing units respectively；Described overall control center respectively to
Each hydraulic power unit monomer sends instruction, controls each hydraulic power unit work；The pushing unit includes lowering or hoisting gear, pushing tow and filled
Put, described thrustor includes being fixed on the reaction frame of pushing unit platform, sliding case, wherein horizontal pushing tow jack, level
Pushing tow jack is to be used in reaction frame as counter-force fulcrum, and the lowering or hoisting gear is supported on sliding case, and lowering or hoisting gear is connected to water
Flat jack, forms and pushes the slide construction that jacking apparatus is moved along sliding case inner slide by level jack；The lowering or hoisting gear
Jack is fixed with, jack top connects into sphere tongue and groove with bulb flat and is connected or the connection of cambered surface tongue and groove
Structure so that bulb flat is able to along spherical or arc oscillating, carries out the adjustment of Automatic Levelling and the flexible adjustment in direction；
Bulb flat top is connected with fishback, is supported on the bottom of component at the top of fishback by backing plate.
More specifically technical scheme also includes：The deviation correcting device is installed on deviation correcting device mounting platform, the mounting platform
Positioned at the side of component, mounting platform utilizes reaction frame of rectifying a deviation provided with correction reaction frame and correction jack, correction jack
As counter-force fulcrum, correction jack movable end is connected with idler wheel mechanism, the rotating direction and component of the roller of the idler wheel mechanism
Moving direction is consistent, in correction job position, and the roller withstands component side and carries out correction operation.
Further：The bulb flat uses tongue and groove attachment structure with fishback, from front, rear, left and right four direction pair
Fishback carries out spacing.
Further：Set fluted along component moving direction at the top of the fishback, the width of the groove is more than component
The width of bottom ridge.
Further：Described pushing unit is distributed across the both sides of component axis.
Further：Described pushing unit is to be symmetrically distributed in the both sides of component axis.
The utility model has the advantages that：
1st, realize that with a turn-key system multiple pushing units are carried out with Three dimensions control realizes that continuous synchronization works, control essence
Degree is high, reduces labor intensity, reduces human cost.
2nd, compact conformation, simple, easy disassembling, cost is low, and working space is small.
3rd, temperature pier need not be carried out to component, it is not necessary to which using can be until completion, nothing after steel strand wires, equipment once mounting
Bridge construction expense must can be saved because of the inadequate midway disassemblerassembler of steel strand wires length.
4th, device systems are changed slide surface to incremental launching device and slide plate, while vertical lifting jack by box beam bottom
Install ball head device, can automatic centering avoid the damage to box beam bottom and jack lateral force, while bridge pier during pushing tow
Not by horizontal loading, component and bridge pier make structure ensure safety during pushing tow all without damage.
5th, with dynamic correcting function, it can be rectified a deviation in time during traveling, to greatest extent the straight line of holding member
Motion, it is to avoid component runs unstability, so as to ensure that the gradient of box beam, full-bridge are linear.
6th, overcoming conventional mode of traction can only advance the shortcoming that can not be retreated.
7th, scalability is strong, and versatility is high：It is actual according to engineering, increased by increasing or decreasing pumping plant and jack quantity
Add deduct few pushing unit, so as to meet different spans, the engineering construction needs of different tonnages.
8th, incremental launching construction can still be carried out when pushing tow runs into element joints or other situations.
Brief description of the drawings
Fig. 1 is walking pushing tow system control network figure of the present utility model.
Fig. 2 is that walking pushing tow system of the present utility model installs connection figure.
Fig. 3 is the utility model pushing unit schematic diagram
Fig. 4 is deviation correcting device front view of the present utility model
Fig. 5 is deviation correcting device top view of the present utility model
Fig. 6 is spherical plate structure schematic diagram of the present utility model
Fig. 7 is Fig. 6 left view
Fig. 8 is broach plate structure schematic diagram of the present utility model
Fig. 9 is Fig. 8 B directions view
Figure 10 is Fig. 8 A directions view
Figure 11 crosses splice plate operating diagram to be of the present utility model
Figure 12 is multiple pushing unit layout drawings when the utility model is implemented
Reference is in figure：A. lowering or hoisting gear, B. thrustors, C. deviation correcting devices, D. components, E. deviation correcting devices peace
Assembling platform, F. pushing unit mounting platforms, G. falls boom support, 1. jacks, 2. bulb flats, 3. fishbacks, 4. pads
Plate, 5. displacement transducer a, 6. horizontal pushing tow jack, 7. displacement transducer b, 8. cunning casees, 9. reaction frames, 10. ball pivot devices,
11. steel cushion block, 12. rollers, 13. roller mounting brackets, 14. displacement transducer c, 15. correction jacks, 16. movable steel pads
Plate, 17. correction reaction frames, 18. jack pistons, 19. bolts, 20. level jack pistons, 21. splice plates, 22. spell
Fishplate bar bolt, 23. grooves.
The present embodiment is provided with overall control center, n hydraulic power unit, n × m pushing unit；The pushing unit such as Fig. 2 institutes
Show, provided with lowering or hoisting gear A, thrustor B, deviation correcting device C.N × m pushing unit is symmetrically distributed in component axis
Both sides, as shown in Figure 9.
The lowering or hoisting gear A is provided with jack 1, bulb flat 2, fishback 3, backing plate 4, displacement transducer 5；Jacking
The top of jack 1 connects into sphere tongue and groove attachment structure with bulb flat 2, wherein the top of piston 18 of the jack 1
For concave spherical surface, as shown in Figure 6,7, its bottom is convex spherical to the bulb flat 2, is matched with the concave spherical surface of piston 18, the bulb flat 2
Centering is kept by being located at the bolt 19 in the center of circle so that bulb flat 2 is able to put along spherical with the jack piston 18
It is dynamic, carry out the adjustment of Automatic Levelling and the flexible adjustment in direction；The fishback 3 as shown in Fig. 7,8,9, the bulb flat 2 with
Fishback 3 uses tongue and groove attachment structure, carries out spacing, wherein fishback 3 to fishback 3 from front, rear, left and right four direction
It is placed in above bulb flat 2, bottom sets a convex surface, mutually embedding with the groove that is located at bulb flat top, the top of fishback 3 is moved along component
Direction is provided with two grooves, and the width of every groove is more than the width of member bottom section ridge；The backing plate 4 is positioned over broach
On plate 3, in normal pushing tow, the direct bearing carrier of backing plate 4；When pushing tow run into element joints or it is other in the case of need to avoid
During the ridges such as connecting bolt, backing plate 4 is removed, the direct bearing carrier of fishback 3, the ridge such as connecting bolt can be from fishback
The groove of top surface passes through.
The thrustor B is provided with horizontal pushing tow jack 6, displacement transducer 7, sliding case 8, the counter-force being located on sliding case
Frame 9, the ball pivot device 10 being located between reaction frame and horizontal pushing tow jack, wherein horizontal pushing tow jack 6 is to utilize counter-force
Frame 9 is used as counter-force fulcrum.
A steel cushion block 11 is set between the piston 20 and jack oil cylinder of level jack during construction, is connected by bolt
Connecing makes level jack 6 and one entirety of formation of jack 1, detachable after the completion of construction, convenient shipment.
The deviation correcting device C as shown in Figure 3,4, provided with correction jack 15, correction reaction frame 17, be located at correction it is very heavy
Installed provided with roller 12 and roller movable billet 16 between top 15 and correction reaction frame 17, the front end of correction jack 15
Support 13, oil cylinder is provided with displacement transducer 14.
During construction, inputted by the touch-screen of Master Control Center after construction parameter, starting device, equipment is automatic by following step
1st, jacking component：Jack 1 stretches cylinder, is lifted off boom support G by component D, while very heavy installed in jacking
Push up the displacement transducer 5 on 1 oil cylinder to measure shift value in real time and send data to overall control center, jacking process bulb flat 2 can
Adjust automatically is levelling.When jacking reaches setting stroke, overall control center sends instruction, and jack 1 stops, now component structure
Part load is transferred to jack 1 by falling boom support；
2nd, pushing tow component：Overall control center sends instruction, and horizontal pushing tow jack 6 stretches cylinder automatically, promotes jack 1 to connect
Slid forward along slide plate 8 with bulb flat 2, fishback 3, backing plate 4 and component D, while installed in the horizontal oil cylinder of pushing tow jack 6
On displacement transducer 7 measurement shift value and send data to overall control center in real time, when reaching setting stroke, overall control center
Instruction is sent, horizontal pushing tow jack 6 stops stretching cylinder；
3rd, Luo Liang：The automatic contracting cylinder of jack 1, component is dropped on boom support G again, now mechanism load by
The transfer of jack 1 falls boom support G after rise；
4th, horizontal pushing tow jack backhaul：The automatic contracting cylinder of horizontal pushing tow jack 6, drives jack 1 together with spherical
Plate 2, fishback 3, backing plate 4 return to initial position.
5th, rectify a deviation：Such as occur deviateing and reaching setting value during horizontal pushing tow, the automatic start of jack 15 of rectifying a deviation is stretched
Cylinder, applies the power opposite with component offset direction to component D by roller 12 and rectifies a deviation, while installed in correction jack
Displacement transducer 14 on 15 oil cylinders measures shift value and sends data to overall control center in real time, when reaching correction stroke,
Overall control center sends instruction, and correction jack 15 stops.
6th, splice plate is crossed：When pushing tow run into splice plate 21 or it is other in the case of need to avoid the ridges such as connecting bolt when, take
Lower bolster 4, the direct bearing carrier of fishback 3, as shown in figure 11, the bolt 22 of splice plate agrees with the groove 23 of fishback, from
And ensure smooth-going and pass through.Backing plate is put back on fishback again after.
Constantly repeat the above steps, you can realize the walking pushing tow of component in place.