CN109052147B - A kind of four-dimensional fine tuning bridge pier hoisting device - Google Patents
A kind of four-dimensional fine tuning bridge pier hoisting device Download PDFInfo
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- CN109052147B CN109052147B CN201811276425.XA CN201811276425A CN109052147B CN 109052147 B CN109052147 B CN 109052147B CN 201811276425 A CN201811276425 A CN 201811276425A CN 109052147 B CN109052147 B CN 109052147B
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- mouthfuls
- cylinder
- slide unit
- lifting
- valve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Automation & Control Theory (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of four-dimensional fine tuning bridge pier hoisting device, is related to bridge pier, abutment construction technique field, including rack, left and right slide unit and the front and back slide unit set gradually from the bottom to top；Lifting rope is connected in the rack, the front and rear sides of the left and right slide unit are slided on the rack, and left and right slide unit is connect by the left and right driving cylinder of lateral arrangement with rack, and longitudinally arranged back-and-forth motion mouth is arranged on the slide unit of left and right；The front and back slide unit is connect by longitudinally arranged front and back driving cylinder with left and right slide unit；In front and back, the top of slide unit connects the elevating ram being vertically arranged, rotating cylinder is connected in the telescopic end of elevating ram, the output end of rotating cylinder connects spin axis by crank, rotary shaft is vertically arranged, rotary shaft passes through elevating ram, front and back slide unit and connects platform sling after being moved forward and backward mouth, and multiple lifting hole(eyelet)s are arranged on platform sling.Front and rear, left and right, upper and lower, rotation four dimensions fine tuning are carried out to it in bridge pier hoisting process, the efficiency of bridge pier lifting is greatly improved, accelerates the progress of bridge construction.
Description
Technical field
The present invention relates to bridge piers, abutment construction technique field, more particularly to the device that bridge pier is lifted by crane.
Background technique
Currently, with the rapid development of our country's economy and urban population increases rapidly, for railway, highway etc.
The demand of traffic above-ground steeply rises.On the one hand, existing urban transportation bearing capacity is insufficient, while the limit by space
System leads to build overpass on existing road as main selection；On the other hand, railway, highway generally require
The limitation of the landform such as river, depression is broken through, a large amount of bridge construction is needed.
During bridge construction, for higher bridge, bridge pier is generally built by the way of stacking.Wherein of bridge pier
The plenty of time can be occupied by hanging.Existing bridge pier lifting generally lifts by crane bridge abutment moulding plate using more cranes jointly, recycles hoist room
Cooperating carries out the correction of template, finally the concrete perfusion into template.It is long, complicated for operation the time required to such method of construction
And influence of the accuracy vulnerable to operator's level, delay the progress and quality of bridge construction significantly.
It is higher that existing bridge pier boom hoisting has the following deficiencies: that (1) relies on external device.Such as application number
A kind of bridge pier splicing apparatus of the disclosure of the invention of CN201721135267.7, bridge pier are spliced by each bridge pier precast section, section
About time for stacking of bridge pier segmentation, to a certain extent improve the working efficiency of bridge pier lifting；Application number
CN201210465701.3 provides a kind of liftable high trestle trolley, carries out lifting behaviour to bridge pier by dedicated lifting trolley
Make.These schemes are disadvantageous in that higher to the dependency degree of external equipment, and construction cost is caused to rise.(2) it is adjusted certainly
It is low by spending.Application number CN201110132396.1 provides one kind from lifting attached crane, installs first segment in bridge pier
Later, loop wheel machine is promoted to certain height using hoist engine, then hangs next segment.The program can only provide one degree of freedom up and down
Adjusting, installation accuracy is low.
Summary of the invention
The purpose of the invention is to overcome the deficiencies of the prior art and provide a kind of four-dimensional fine tuning bridge pier hoisting device, in bridge
Front and rear, left and right, upper and lower, rotation four dimensions fine tuning are carried out in pier hoisting process to it, greatly improves the efficiency of bridge pier lifting,
Accelerate the progress of bridge construction.
The object of the present invention is achieved like this: a kind of four-dimensional fine tuning bridge pier hoisting device, including sets gradually from the bottom to top
Rack, left and right slide unit and front and back slide unit；Lifting rope is connected in the rack, the front and rear sides of the left and right slide unit are in rack
Upper sliding, left and right slide unit are connect with rack by the left and right driving cylinder of lateral arrangement, are arranged on the slide unit of left and right longitudinally arranged
It is moved forward and backward mouth；The front and back slide unit is connect by longitudinally arranged front and back driving cylinder with left and right slide unit；In front and back, slide unit is upper
The elevating ram being vertically arranged just is connected, connects rotating cylinder in the telescopic end of elevating ram, the output end of rotating cylinder passes through crank
Spin axis is connected, rotary shaft is vertically arranged, and rotary shaft passes through elevating ram, front and back slide unit and connects platform sling after being moved forward and backward mouth,
Multiple lifting hole(eyelet)s are set on platform sling.
Rack components of the invention is connected by lifting rope with crane, and stable support force is provided for entire mechanism；Before
Driving cylinder and front and back slide unit are for driving the fine tuning of hoisting device front and back afterwards；Left and right driving cylinder and left and right slide unit are for driving hoisting device left
Right fine tuning；Elevating ram is for driving hoisting device to finely tune up and down；Rotating cylinder is for driving hoisting device to rotate angle adjustment.
Compared with prior art, the present invention its remarkable advantage are as follows: (1) front and rear, left and right, upper and lower, rotation can be achieved in the present invention
The fine tuning of four freedom degrees；(2) elevating ram of the invention uses punching oil cylinder, has stronger bearing capacity, lifts by crane bridge pier
Up to 160 tons；(3) this present invention automatization level is high, and hoisting device is enabled to be automatically performed the lifting, correction, fine tuning of bridge pier,
Human and material resources, financial resources are greatlyd save, the efficiency of bridge pier lifting is improved.
The left and right driving cylinder of the invention be double-outlet cylinder, including left and right driving cylinder barrel, left and right driving piston rod and
Left and right driving piston, the left and right driving cylinder barrel are connect with left and right slide unit, and the both ends of left and right driving cylinder barrel are separately connected left and right and drive
Moved end lid, the both ends of the left and right driving piston rod are connect after stretching out left and right Driving terminal respectively with rack, left and right driving piston
It is connected to the middle part of left and right driving piston rod, and is located at left and right and drives in cylinder barrel, left and right driving piston divides left and right driving cylinder barrel
It is divided into two oil pockets.The piston rod end face of left and right driving cylinder is in contact with rack inner surface, is in the movement of left and right driving cylinder
It provides opposition, pushes hoisting device or so fine tuning.
The front and back driving cylinder of the invention be double-outlet cylinder, including front and back driving cylinder barrel, front and back driving piston rod and
Front and back drives piston, and the front and back driving cylinder barrel is connect with front and back slide unit, and the both ends of front and back driving cylinder barrel are separately connected front and back and drive
Moved end lid, the both ends of the front and back driving piston rod are connect after stretching out front and back Driving terminal respectively with left and right slide unit, front and back driving
Piston is connected to the middle part of front and back driving piston rod, and is located in front and back driving cylinder barrel, and front and back drives piston by front and back driving cylinder
Cylinder is separated into two oil pockets.
The elevating ram of the invention is punching oil cylinder, including lifting cylinder barrel, lifting piston rod, lifting rear end cap；Institute
It states lifting rear end cap to be connected on the slide unit of front and back, is wholely set step on lifting rear end cap, the lower end for lifting cylinder barrel is connected to
On the step for lifting rear end cap, the setting of lifting piston rod is in lifting cylinder barrel and lifting cylinder barrel is stretched out in upper end, lifts cylinder barrel
Mutually matched positive stop lug boss is arranged in upper end and the lower end of lifting piston rod；Guiding is wholely set on the lifting rear end cap
Bar, is respectively provided with centre bore on lifting rear end cap, guide rod, lifting piston rod, and guide rod is equipped in lifting piston rod
In centre bore, the rotary shaft is set in the centre bore of the centre bore of lifting piston rod, the centre bore of guide rod, lifting rear end cap
It is interior.By pushing rotary shaft to move up to the inner cavity oil inlet between piston rod and rear end cap；Piston rod is made in gravity when oil return
It is moved down under, to realize the fine tuning up and down of platform sling and bridge pier.
The present invention is wholely set radial boss in the rotary shaft, and radial boss is located at the top of lifting piston rod,
Spherical bearing is set in rotary shaft between radial boss and lifting piston rod, guarantees that rotary shaft remains perpendicular during the work time
Histogram to.
Hoisting device of the invention further includes fuel tank, oil pump, control valve group, and the oil pump connects motor, the oil inlet of oil pump
Connect with fuel tank, the control valve group includes valve block, oil inlet P mouthful of setting in valve block, T mouthfuls of oil return, cylinder working A mouthfuls of front and back driving,
Front and back drives cylinder working B mouthfuls, cylinder working A mouthfuls of left and right driving, cylinder working B mouthfuls of left and right driving, rotation cylinder working A mouthfuls, rotating cylinder work
Make B mouthfuls, A mouthfuls of elevating ram work, B mouthfuls of elevating ram work；P mouthfuls of oil inlet of the oil outlet of the oil pump and valve block are connected, valve
T mouthfuls of oil return of block are connected with fuel tank；The front and back driving cylinder and left and right driving cylinder have two, the work of two front and back driving cylinders
The front and back that valve block is connected after A mouthfuls of parallel connections drives cylinder working A mouthfuls, connects valve block after B mouthfuls of parallel connections of work of two front and back driving cylinders
Front and back drives cylinder working B mouthfuls；Cylinder working A mouthfuls of the left and right driving of connection valve block after A mouthfuls of work of two or so driving cylinders are in parallel, two
Cylinder working B mouthfuls of the left and right driving of valve block is connected after B mouthfuls of work of platform or so driving cylinder are in parallel；A mouthfuls of the work of the rotating cylinder with
A mouthfuls of rotation cylinder working of valve block are connected, and B mouthfuls of rotation cylinder working of B mouthfuls of the work of rotating cylinder and valve block are connected；The elevating ram
A mouthfuls of work work A mouthful and be connected with the elevating ram of valve block, B mouthfuls of the elevating ram work of work B mouthfuls and the valve block of elevating ram
It is connected；Four groups of control assemblies are connected in the valve block, every group of control assembly includes solenoid directional control valve, the first fluid-control one-way
Valve, the second hydraulic control one-way valve, the first one-way throttle valve and the second one-way throttle valve, P mouthfuls of oil inlet and the valve block of solenoid directional control valve
P mouthfuls of oil inlet are connected, and T mouthfuls of oil return of T mouthful of the oil return of solenoid directional control valve and valve block are connected, A mouthfuls of the work of solenoid directional control valve and first
Hydraulic control one-way valve is connected, and the first hydraulic control one-way valve is connected with the first one-way throttle valve, B mouthfuls of the work of solenoid directional control valve and the second liquid
It controls check valve to be connected, the second hydraulic control one-way valve is connected with the second one-way throttle valve；First one-way throttle valve of four groups of control assemblies
Cylinder working A mouthfuls of front and back driving, cylinder working B mouthfuls of the front and back driving, a left side for the valve block that connects one to one respectively with the second one-way throttle valve
A mouthfuls of right driving cylinder working, cylinder working B mouthfuls of left and right driving, cylinder working A mouthfuls of rotation, cylinder working B mouthfuls of rotation, elevating ram work A
Mouth, elevating ram work B mouthfuls.In the hoisting device course of work, hydraulic control system can be according to the gravity center shift of mechanism entirety
Situation automatically adjusts the pose of hoisting device, in real time to guarantee that the center of gravity of mechanism remains in the vertical centerline of rotary shaft.
Solenoid directional control valve is used to control the retracted position and sequence of each drive cylinder；One-way throttle valve is used to control when piston rod stretches
Speed；Hydraulic control one-way valve is used for the pressure maintaining of oil circuit long-time, guarantees the stability of mechanism after piston rod stretches out.
Solenoid directional control valve of the invention is six latus rectum solenoid directional control valves.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the cross-sectional view that Fig. 1 removes lifting rope.
Fig. 3 is the structural schematic diagram of left and right driving cylinder.
Fig. 4 is the structural schematic diagram of front and back driving cylinder.
Fig. 5 is the structural schematic diagram of elevating ram.
Fig. 6 is the schematic diagram that the present invention is located at limit on the left.
Fig. 7 is the schematic diagram that the present invention is located at limit on the right-right-hand limit.
Fig. 8 is the schematic diagram that the present invention is located at limit inferior.
Fig. 9 is the schematic diagram that the present invention is located at limes superiors.
Figure 10 is the schematic diagram that the present invention is located at the preceding limit.
Figure 11 is the schematic diagram that the present invention is located at the rear limit.
Figure 12 is the schematic diagram of the present invention rotation limit.
Figure 13 is the schematic diagram of the present invention rotation limit.
Figure 14 is hydraulic principle figure of the invention.
Specific embodiment
As represented in figures 1 through 14, four-dimensional fine tuning bridge pier hoisting device, including set gradually from the bottom to top rack 9, left and right slide unit
10 and front and back slide unit 4.It is separately connected lifting rope 1 on four angles of rack 9, is connected with crane, is provided surely for entire mechanism
Fixed support force.
The front and rear sides of left and right slide unit 10 are slided in rack 9, and left and right slide unit 10 passes through the left and right driving cylinder 6 of lateral arrangement
It is connect with rack 9, longitudinally arranged back-and-forth motion mouth 11 is set on left and right slide unit 10.Left and right driving cylinder 6 is double-outlet cylinder,
Including left and right driving cylinder barrel 6-1, left and right driving piston rod 6-3 and left and right driving piston 6-2, left and right driving cylinder barrel 6-1 and left and right
Slide unit 10 connects, and the both ends of left and right driving cylinder barrel 6-1 are separately connected left and right Driving terminal 6-4, and left and right drives the two of piston rod 6-3
End is connect after stretching out left and right Driving terminal 6-4 respectively with rack 9, and left and right driving piston 6-2 is connected to left and right driving piston rod 6-3
Middle part, and be located at left and right driving cylinder barrel 6-1 in, left and right driving piston 6-2 by left and right driving cylinder barrel 6-1 be separated into two oil
Chamber.
Front and back slide unit 4 is connect by longitudinally arranged front and back driving cylinder 5 with left and right slide unit 10.Front and back driving cylinder 5 be it is double go out
Rod oil cylinder, including front and back driving cylinder barrel 5-1, front and back driving piston rod 5-3 and front and back drive piston 5-2, and front and back drives cylinder barrel 5-1
It is connect with front and back slide unit 4, the both ends of front and back driving cylinder barrel 5-1 are separately connected front and back Driving terminal 5-4, and front and back drives piston rod 5-
3 both ends are connect after stretching out front and back Driving terminal 5-4 respectively with left and right slide unit 10, and front and back driving piston 5-2 is connected to front and back and drives
The middle part of piston bar 5-3, and be located in front and back driving cylinder barrel 5-1, front and back drives piston 5-2 by cylinder barrel 5-1 points of front and back driving
It is divided into two oil pockets.
In front and back, the top of slide unit 4 connects the elevating ram 3 being vertically arranged, and connects rotation in the telescopic end of elevating ram 3
The output end of cylinder 13, rotating cylinder 13 connects spin axis 2 by crank 12, and rotary shaft 2 is vertically arranged, and rotary shaft 2 passes through elevating ram
3, platform sling 7 is connected after front and back slide unit 4 and back-and-forth motion mouth 11, multiple lifting hole(eyelet)s 8 is set on platform sling 7.
Elevating ram 3 is punching oil cylinder, including lifting cylinder barrel 3-1, lifting piston rod 3-2, lifting rear end cap 3-3.Lifting
Rear end cap 3-3 is connected on front and back slide unit 4, is wholely set step 3-5 on lifting rear end cap 3-3, is lifted the lower end of cylinder barrel 3-1
It is connected on the step 3-5 of lifting rear end cap 3-3, lifting piston rod 3-2 setting is in lifting cylinder barrel 3-1 and upper end is stretched out and lifted
Cylinder barrel 3-1 is risen, mutually matched positive stop lug boss 3-6 is arranged in the lower end of the upper end and lifting piston rod 3-2 that lift cylinder barrel 3-1.?
It is wholely set guide rod 3-4 on lifting rear end cap 3-3, on lifting rear end cap 3-3, guide rod 3-4, lifting piston rod 3-2
Centre bore is set, and guide rod 3-4 is equipped in the centre bore of lifting piston rod 3-2, and rotary shaft 2 is set in lifting piston rod
The centre bore of 3-2, guide rod 3-4 centre bore, lift in the centre bore of rear end cap 3-3.Radial direction is wholely set in rotary shaft 2
Boss 14, radial boss 14 are located at the top of lifting piston rod 3-2, rotate between radial boss 14 and lifting piston rod 3-2
Spherical bearing 15 is set on axis 2.
Hoisting device further includes hydraulic control system, and hydraulic control system mainly includes fuel tank 16, vane pump 17, control valve group
19.Vane pump 17 connects motor 18, and the oil inlet of vane pump 17 is connect with fuel tank 16, and 19 groups of control valve include valve block 20, valve block
Oil inlet P mouthfuls, T mouthfuls of oil return, cylinder working A mouthfuls of front and back driving, cylinder working B mouthfuls of front and back driving, left and right driving cylinder working A are set on 20
Mouth, cylinder working B mouthfuls of left and right driving, cylinder working A mouthfuls of rotation, cylinder working B mouthfuls of rotation, A mouthfuls of elevating ram work, elevating ram work
B mouthfuls.P mouthfuls of oil inlet of the oil outlet of vane pump 17 and valve block 20 are connected, and T mouthfuls of oil return of valve block 20 are connected with fuel tank 16.It drives front and back
Dynamic cylinder 5 and left and right driving cylinder 6 have two, and the front and back driving of valve block 20 is connected after A mouthfuls of work of two front and back driving cylinders 5 are in parallel
A mouthfuls of cylinder working, the front and back that valve block 20 is connected after B mouthfuls of work of two front and back driving cylinders 5 are in parallel drives cylinder working B mouthfuls.Two left sides
Cylinder working A mouthfuls of the left and right driving of valve block 20, the work B of two or so driving cylinders 6 are connected after A mouthfuls of work of right driving cylinder 6 are in parallel
Cylinder working B mouthfuls of the left and right driving of valve block 20 is connected after mouth is in parallel.A mouthfuls of the work of rotating cylinder 13 and the rotation cylinder working A of valve block 20
Mouthful it is connected, B mouthfuls of rotation cylinder working of B mouthfuls of the work of rotating cylinder 13 and valve block 20 are connected.A mouthfuls of the work of elevating ram 3 and valve block
20 elevating ram, which works A mouthfuls, to be connected, and B mouthfuls of work of elevating ram 3 work B mouthfuls with the elevating ram of valve block 20 to be connected.In valve
Four groups of control assemblies 21 are connected on block 20, every group of control assembly 21 includes solenoid directional control valve 22, the first hydraulic control list of six latus rectums
To valve 23, the second hydraulic control one-way valve 24, the first one-way throttle valve 25 and the second one-way throttle valve 26, the oil inlet of solenoid directional control valve 22
P mouthfuls are connected with P mouthfuls of oil inlet of valve block 20, and T mouthfuls of oil return of T mouthfuls of the oil return of solenoid directional control valve 22 and valve block 20 are connected, electromagnetic switch
A mouthfuls of work of valve 22 are connected with the first hydraulic control one-way valve 23, and the first hydraulic control one-way valve 23 is connected with the first one-way throttle valve 25, electricity
B mouthfuls of work of magnetic reversal valve 22 are connected with the second hydraulic control one-way valve 24, the second hydraulic control one-way valve 24 and the second one-way throttle valve 26
It is connected.The first one-way throttle valve 25 and the second one-way throttle valve 26 of four groups of control assemblies 21 connect one to one valve block 20 respectively
Front and back drive cylinder working A mouthful, front and back drive cylinder working B mouthful, left and right driving cylinder working A mouthful, or so drive cylinder working B mouthfuls, revolve
Turn A mouthfuls of cylinder working, cylinder working B mouthfuls of rotation, A mouthfuls of elevating ram work, B mouthfuls of elevating ram work.
Hoisting device overall workflow:
Step 1, hoisting device platform sling are connect with bridge pier, reach designated position under the traction of crane；
Step 2 opens pumping source；
The freedom degree that step 3, hydraulic control system are adjusted as needed opens corresponding electromagnetic switch in control valve group
Valve, oil cylinder oil inlet, one-way throttle valve control the speed of oil inlet, are finely adjusted to bridge pier pose.
The angular displacement sensor of step 4, hydraulic control system according to installation on the rotary shaft, further adjusts hoisting device
It is whole, guarantee hoisting device center of gravity on rotating shaft center's line, so that bridge pier keeps horizontal；
Step 5 after adjusting, opens hydraulic control one-way valve pressure maintaining, guarantees the stability of hoisting device.
In conjunction with Fig. 1, a kind of four-dimensional fine tuning bridge pier hoisting device, rotary oil cylinder is that a list goes out rod oil cylinder, by ears seat,
Fixing seat, crank and rotary shaft are fixed together, and convert the straight reciprocating motion of oil cylinder to by crank the rotation of rotary shaft
Angle.Its workflow is as follows: oil inlet in step 1, rotary oil cylinder oil pocket, and piston rod stretches out, and drives rotary shaft inverse by crank
Hour hands rotation；Oil return in step 2, rotary oil cylinder oil pocket, piston rod retract, and drive rotary shaft to rotate clockwise by crank.
In conjunction with Fig. 3 and Fig. 4, a kind of four-dimensional fine tuning bridge pier hoisting device, left and right driving cylinder and front and back driving cylinder are one group double
Rod oil cylinder out:
Left and right driving cylinder and left and right slide unit are connected, and piston rod end face is in contact with rack inner surface, when left and right driving cylinder into
When oily, piston rod remains stationary under the limitation of rack, and cylinder barrel moves left and right under the action of oil liquid, drives left and right slide unit on a left side
It is finely tuned in right direction.
Front and back driving cylinder and front and back slide unit are connected, and piston rod end face is in contact with left and right slide unit inner surface, drive after current
When cylinder oil inlet, piston rod remains stationary under the limitation of left and right slide unit, and cylinder barrel is moved forward and backward under the action of oil liquid, drives front and back
Slide unit is finely tuned in the longitudinal direction.
In conjunction with Fig. 2 and Fig. 5, a kind of four-dimensional fine tuning bridge pier hoisting device, elevating ram is a punching oil cylinder, tailpiece of the piston rod
Face connects platform sling by spherical bearing and rotation axis connection, rotary shaft bottom, and rear end cap is fixed on the slide unit of front and back, and function is realized
Process is as follows: step 1, the oil inlet into the oil pocket of elevating ram, and piston rod stretches out, and rotary shaft is pushed to move up；Step 2, oil
Chamber oil return, piston rod decline under the effect of gravity, and rotary shaft is driven to move down.
In conjunction with Fig. 6-13, a kind of four-dimensional fine tuning bridge pier hoisting device,
Its Derivative limit on the left or on the right position is the position that drive cylinder piston in left and right is contacted with both sides of the face, stroke 1300mm；
Its front and back limit position is the position that drive cylinder piston in front and back is contacted with both sides of the face, stroke 1040mm；
Its high-low limit position is the position that elevating ram piston rod is contacted with both sides of the face, stroke 200mm；
The limit of its pole of rotation is the position that rotary oil cylinder piston bar is contacted with both sides of the face, and rotation angle is -5 ° ~+5 °.
In conclusion can be carried out to the bridge pier of maximum 160T the present invention provides a kind of four-dimensional fine tuning bridge pier hoisting device
Front and rear, left and right, upper and lower, four freedom degrees of rotation fine tuning, integrated hydraulic control system can be automatically performed bridge pier
Lifting, correction, fine tuning, greatly save human and material resources, financial resources, and the efficiency for improving bridge pier lifting greatly improves bridge pier lifting
Efficiency accelerates the progress of bridge construction.
Claims (7)
1. a kind of four-dimensional fine tuning bridge pier hoisting device, it is characterised in that: including set gradually from the bottom to top rack, left and right slide unit and
Front and back slide unit；Lifting rope is connected in the rack, the front and rear sides of the left and right slide unit are slided on the rack, and left and right slide unit is logical
The left and right driving cylinder for crossing lateral arrangement is connect with rack, and longitudinally arranged back-and-forth motion mouth is arranged on the slide unit of left and right；Before described
Slide unit is connect by longitudinally arranged front and back driving cylinder with left and right slide unit afterwards；In front and back, the top of slide unit connects the act being vertically arranged
Oil-lifting jar connects rotating cylinder in the telescopic end of elevating ram, and the output end of rotating cylinder connects rotary shaft by crank, and rotary shaft is perpendicular
To arrangement, rotary shaft passes through elevating ram, front and back slide unit and connects platform sling after being moved forward and backward mouth, and multiple hang is arranged on platform sling
Hole.
2. four-dimensional fine tuning bridge pier hoisting device according to claim 1, it is characterised in that: the left and right driving cylinder is double rod oil
Cylinder, including left and right driving cylinder barrel, left and right driving piston rod and left and right driving piston, the left and right driving cylinder barrel and left and right slide unit connect
It connects, the both ends of left and right driving cylinder barrel are separately connected left and right Driving terminal, and a left side is stretched out at the both ends of the left and right driving piston rod respectively
It is connect after right Driving terminal with rack, left and right driving piston is connected to the middle part of left and right driving piston rod, and is located at left and right driving
In cylinder barrel, left and right driving cylinder barrel is separated into two oil pockets by left and right driving piston.
3. four-dimensional fine tuning bridge pier hoisting device according to claim 1, it is characterised in that: the front and back driving cylinder is double rod oil
Cylinder, including front and back driving cylinder barrel, front and back driving piston rod and front and back drive piston, and the front and back driving cylinder barrel and front and back slide unit connect
It connects, the both ends of front and back driving cylinder barrel are separately connected front and back Driving terminal, before the both ends of the front and back driving piston rod are stretched out respectively
It is connect after Driving terminal with left and right slide unit afterwards, front and back driving piston is connected to the middle part of front and back driving piston rod, and is located at front and back
It drives in cylinder barrel, front and back drives piston that front and back driving cylinder barrel is separated into two oil pockets.
4. four-dimensional fine tuning bridge pier hoisting device according to claim 1, it is characterised in that: the elevating ram is punching oil cylinder,
Including lifting cylinder barrel, lifting piston rod, lifting rear end cap；The lifting rear end cap is connected on the slide unit of front and back, in lifting rear end
It covers and is wholely set step, the lower end for lifting cylinder barrel is connected on the step of lifting rear end cap, and lifting piston rod setting is lifting
Lifting cylinder barrel is stretched out in cylinder barrel and upper end, and mutually matched limit is arranged in the lower end of the upper end and lifting piston rod that lift cylinder barrel
Boss；It is wholely set guide rod on the lifting rear end cap, is respectively provided on lifting rear end cap, guide rod, lifting piston rod
Centre bore, guide rod are equipped in the centre bore of lifting piston rod, and the rotary shaft is set in the center of lifting piston rod
Hole, guide rod centre bore, lift rear end cap centre bore in.
5. four-dimensional fine tuning bridge pier hoisting device according to claim 4, it is characterised in that: be wholely set diameter in the rotary shaft
To boss, radial boss is located at the top of lifting piston rod, and ball is arranged in rotary shaft between radial boss and lifting piston rod
Spherical bearing.
6. four-dimensional fine tuning bridge pier hoisting device according to claim 1, it is characterised in that: the hoisting device further includes fuel tank, oil
Pump, control valve group, the oil pump connect motor, and the oil inlet of oil pump is connect with fuel tank, and the control valve group includes valve block, valve block
P mouthfuls of upper setting oil inlet, T mouthfuls of oil return, front and back drive cylinder working A mouthful, front and back drive cylinder working B mouthful, control drive cylinder working A mouthfuls,
Left and right driving cylinder working B mouthful, rotation cylinder working A mouthful, rotation cylinder working B mouthfuls, elevating ram work A mouthfuls, elevating ram work B
Mouthful；P mouthfuls of oil inlet of the oil outlet of the oil pump and valve block are connected, and T mouthfuls of oil return of valve block are connected with fuel tank；The front and back driving cylinder
There are two with left and right driving cylinder, the front and back that valve block is connected after A mouthfuls of work of two front and back driving cylinders are in parallel drives cylinder working A
Mouthful, the front and back that valve block is connected after B mouthfuls of work of two front and back driving cylinders are in parallel drives cylinder working B mouthfuls；Two or so driving cylinders
Cylinder working A mouthfuls of the left and right driving of valve block, connection valve after B mouthfuls of work of two or so driving cylinders are in parallel are connected after A mouthfuls of parallel connections of work
Cylinder working B mouthfuls of the left and right driving of block；A mouthfuls of the work of the rotating cylinder is connected with A mouthfuls of rotation cylinder working of valve block, the work of rotating cylinder
Make B mouthfuls to be connected with B mouthfuls of rotation cylinder working of valve block；The elevating ram A mouthfuls of phases of work of work A mouthfuls and the valve block of the elevating ram
Connect, B mouthfuls of work of elevating ram work B mouthfuls with the elevating ram of valve block to be connected；Four groups of control assemblies are connected in the valve block,
Every group of control assembly includes solenoid directional control valve, the first hydraulic control one-way valve, the second hydraulic control one-way valve, the first one-way throttle valve and
Two one-way throttle valves, P mouthfuls of the oil inlet of solenoid directional control valve are connected with P mouthfuls of oil inlet of valve block, T mouthfuls of the oil return of solenoid directional control valve and valve block
T mouthfuls of oil return be connected, A mouthfuls of work of solenoid directional control valve are connected with the first hydraulic control one-way valve, the first hydraulic control one-way valve and first singly
It is connected to throttle valve, B mouthfuls of work of solenoid directional control valve are connected with the second hydraulic control one-way valve, and the second hydraulic control one-way valve and second is unidirectionally
Throttle valve is connected；The first one-way throttle valve and the second one-way throttle valve of four groups of control assemblies connect one to one valve block respectively
Front and back drives cylinder working A mouthfuls, cylinder working B mouthfuls of front and back driving, cylinder working A mouthfuls of left and right driving, cylinder working B mouthfuls of left and right driving, rotates
A mouthfuls of cylinder working, cylinder working B mouthfuls of rotation, A mouthfuls of elevating ram work, elevating ram work B mouthfuls.
7. four-dimensional fine tuning bridge pier hoisting device according to claim 6, it is characterised in that: the solenoid directional control valve is six latus rectums electricity
Magnetic reversal valve.
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| CN201811276425.XA CN109052147B (en) | 2018-10-30 | 2018-10-30 | A kind of four-dimensional fine tuning bridge pier hoisting device |
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| CN201811276425.XA CN109052147B (en) | 2018-10-30 | 2018-10-30 | A kind of four-dimensional fine tuning bridge pier hoisting device |
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| CN109052147A CN109052147A (en) | 2018-12-21 |
| CN109052147B true CN109052147B (en) | 2019-10-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112875580A (en) * | 2019-11-29 | 2021-06-01 | 中冶(上海)钢结构科技有限公司 | Six-direction adjustable bridge section conveying device |
| CN113387266B (en) * | 2021-06-29 | 2024-07-23 | 深圳精智机器有限公司 | Hoisting power conversion equipment and method |
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| SU1219958A1 (en) * | 1984-04-17 | 1986-03-23 | Chernitsyn Evgenij A | Bed for testing slings |
| CN101891109A (en) * | 2010-07-16 | 2010-11-24 | 北京卫星制造厂 | Two-freedom-degree regulation self-leveling spreader and regulation method |
| CN201980880U (en) * | 2010-12-31 | 2011-09-21 | 巨力索具股份有限公司 | Hoisting device |
| CN106744257A (en) * | 2016-11-22 | 2017-05-31 | 广东力特工程机械有限公司 | A kind of method of kiloton adjustable combined sling, assemble method and lifting caisson |
| CN206655234U (en) * | 2017-04-06 | 2017-11-21 | 中铁七局集团第四工程有限公司 | Double-Wall Steel Boxed Cofferdam lowering system |
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|---|---|---|---|---|
| SU1219958A1 (en) * | 1984-04-17 | 1986-03-23 | Chernitsyn Evgenij A | Bed for testing slings |
| CN101891109A (en) * | 2010-07-16 | 2010-11-24 | 北京卫星制造厂 | Two-freedom-degree regulation self-leveling spreader and regulation method |
| CN201980880U (en) * | 2010-12-31 | 2011-09-21 | 巨力索具股份有限公司 | Hoisting device |
| CN106744257A (en) * | 2016-11-22 | 2017-05-31 | 广东力特工程机械有限公司 | A kind of method of kiloton adjustable combined sling, assemble method and lifting caisson |
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