CN106629328A - Steel wire rope suspension device, control method and multi-rope friction lifting system - Google Patents
Steel wire rope suspension device, control method and multi-rope friction lifting system Download PDFInfo
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- CN106629328A CN106629328A CN201710122004.0A CN201710122004A CN106629328A CN 106629328 A CN106629328 A CN 106629328A CN 201710122004 A CN201710122004 A CN 201710122004A CN 106629328 A CN106629328 A CN 106629328A
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- steel wire
- rope
- joint
- wire rope
- cable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention relates to a steel wire rope suspension device, a control method and a multi-rope friction lifting system. The device comprises a first beam (6), a second beam (9), a suspension cylinder (14) and a suspension joint (15) used for connecting with a lifting container (30), wherein the first beam (6) and the second beam (9) are used for allowing a steel wire rope (1) to penetrate through and fixing the steel wire rope (1); two ends of the suspension cylinder (14) are respectively connected with the second beam (9) and the suspension joint (15); the steel wire rope suspension device further comprises a wedge-shaped joint (8) and a steel wire rope deflection limiting mechanism; the wedge-shaped joint (8) is arranged in a containing cavity formed in the second beam (9); the steel wire rope deflection limiting mechanism is arranged between the wedge-shaped joint (8) and the second beam (9); when the second beam (9) produces displacement in a preset direction relative to the first beam (6), the wedge-shaped joint (8) is driven to lock the steel wire rope section on one side of the wedge-shaped joint and remove movement limitation of the steel wire rope section on the other side. According to the device disclosed by the invention, the rope adjusting operation can be conveniently performed.
Description
Technical field
The present invention relates to engineer operation field, more particularly to a kind of steel-cable suspensioning device, control method and multi-rope friction
Lift system.
Background technology
For mine hoist, steel-cable suspensioning device is the important device that elevator normally runs.Existing band
The steel-cable suspensioning device of peach-shaped ring can realize steel wire rope locking function, additionally it is possible to realize steel by adjusting steel wire rope tension
The self balancing function of cord.But such device itself cannot be realized adjusting rope function, special tune rope equipment is needed to be adjusted
Rope, needs to open peach-shaped ring when adjusting rope, has adjusted and need after rope closing peach-shaped ring, and time-consuming, high cost to adjust rope.
On the other hand, existing steel-cable suspensioning device is paid attention to not enough in terms of the torsional moment release of steel wire rope, with
The increase of mine depth, steel wire rope is increased by reversed fatigue stress, and rope service-life also can shorten rapidly.In control method side
Face, the existing steel-cable suspensioning device with peach-shaped ring depends on oil cylinder unduly in terms of steel wire rope tension autobalance is adjusted, with
As for oil cylinder piston rod stroke cover after would have to carry out tune rope, steel wire rope can produce plastic deformation in tension, especially
It is that steel wire rope deformation extent is big in km deep-well, but oil cylinder stroke is short, so adjusting rope cycle is short, causes carrying for human cost
Rise.
The content of the invention
The purpose of the present invention is to propose to a kind of steel-cable suspensioning device, control method and multi-rope friction hoist system, can
Easily carry out adjusting rop exercise to make.
For achieving the above object, the invention provides a kind of steel-cable suspensioning device, including:First beam, the second beam, suspension
Oil cylinder and the suspension joint for connecting hoisting container, first beam and second beam are used for through steel wire rope, and to steel
Cord is fixed, and the two ends of the hanging oil cylinder are connected respectively with second beam and the suspension joint;Wherein, also include
Wedge joint and steel wire rope deflection limiting mechanism, the wedge joint is arranged in the accommodating cavity set in second beam, described
Steel wire rope deflection limiting mechanism is arranged between the wedge joint and second beam, can be in second beam relative to institute
When stating the displacement of the first beam generation preset direction, the length of cable of wedge joint locking itself side is driven, and release another
The motion of the length of cable of side is limited.
Further, the steel wire rope deflection limiting mechanism can occur phase in second beam relative to first beam
When displacement, the wedge joint deflection is driven to be moved to the accommodating cavity side of the length of cable of the side of wedge joint first described in locking
Wall, and release the motion of the length of cable of the side of the wedge joint second and limit, and in second beam relative to described the
When one beam occurs contrary displacement, the wedge joint deflection is driven to be moved to the length of cable of the side of wedge joint second described in locking
Accommodating cavity side wall, and release the side of the wedge joint first length of cable motion limit.
Further, side plate is provided with second beam, second beam is by the side plate and the hanging oil cylinder
Connection, the steel wire rope deflection limiting mechanism is specifically included:First locking top arm, the second locking top arm and push-and-pull part, it is described
First locking top arm is located at the top of the second locking top arm and the push-and-pull part, one end of the first locking top arm and described
One end of second locking top arm is hinged on second beam, and the side plate, the wedge joint and second beam pass through
Hinge is realized rotating and is connected with the first locking top arm, and one end of the push-and-pull part is another with the second locking top arm
End composition rotates secondary, and the other end constitutes moving sets and rotates secondary with the side plate, the wedge joint and second beam.
Further, the wedge joint includes the wedge shaped joint body in side, the sectional dimension of the joint body
Become larger from top to bottom, the Internal periphery of the accommodating cavity matches with the side of the wedge joint, the wedge joint energy
Enough to be displaced sideways and move up and down relative to the accommodating cavity, the side and bottom surface of the joint body are equipped with grooving, can
With the Internal periphery of the accommodating cavity accommodate jointly through steel wire rope.
Further, steel wire rope slfactuating latch is provided with first beam, can normally runs work in lift system
Under condition and under tune rope operating mode the steel wire rope is entered rope and/or tells rope to realize auto lock relative to first beam.
Further, the steel wire rope slfactuating latch includes into rope wedged hole and telling rope wedged hole, enters to restrict wedge described
Shape hole and described being told be respectively equipped with into rope wedge in rope wedged hole and tell rope wedge, and the steel wire rope enters to restrict wedge shape from described
Pass in hole, after the wedge joint in the second beam described in pile warp, penetrate it is described tell rope wedged hole, it is described to enter to restrict wedge and described
Tell the rope steel wire rope of the wedge respectively to penetrating and realize auto lock, it is described to enter to restrict wedged hole and the rope wedged hole of telling
The tapered direction of cross sectional dimensions is in opposite direction with penetrating for the steel wire rope.
Further, enter to restrict wedged hole and the steel wire rope for telling rope wedged hole wears porch and further respectively has the described
One disc spring and the second disc spring.
Further, it is described enter restrict wedged hole positioned at first beam center position.
Further, also including support arm, first beam, second beam, the hanging oil cylinder and the suspension connect
At least part of structure setting in head is gone back in the inner space of the support arm between the support arm and first beam
Plane bearing is provided with, a surface and the support arm of the plane bearing are fixed, and another surface is fixed with first beam.
Further, also including support arm and joint position-limit mechanism, first beam, second beam, suspension oil
At least part of structure setting in cylinder and the suspension joint in the inner space of the support arm, the joint position-limit mechanism
Motion restriction state and motion restriction release state of the suspension joint relative to the support arm can be realized under operation
Between switching.
Further, the joint position-limit mechanism includes the be separately positioned on the support arm and the suspension joint
One pin hole and the second pin hole, it is described to realize by inserting spacer pin in first pin hole and second pin hole
Motion restriction state, realizes that the motion is limited by extracting spacer pin in first pin hole and second pin hole
Releasing state.
Further, connected by screw rod between first beam and second beam, regulation is provided with the screw rod
Nut, can adjust and the relative position between fixed first beam and second beam.
Further, the both sides oil pocket of piston is equipped with hydraulic fluid port in the hanging oil cylinder, can carry out the steel wire rope
Tune rop exercise as when connect pressure oil-source so that hanging oil cylinder elongation is promoting second beam relative to first beam
Move to close direction, or shorten the hanging oil cylinder pull second beam relative to first beam to away from
Move in direction.
For achieving the above object, the invention provides a kind of multi-rope friction hoist system, including hoisting container, lifted and driven
Mechanism and a plurality of steel wire rope, wherein, also including the multiple aforesaid steel-cable suspensioning device of the correspondence a plurality of steel wire rope.
Further, the hydraulic fluid port on the rod chamber of each steel-cable suspensioning device is interconnected by oil circuit, and
Control valve is provided with the hydraulic fluid port of each rod chamber, the hydraulic fluid port on the rodless cavity of each steel-cable suspensioning device is also by oil
Road is interconnected, and the hydraulic fluid port in each rodless cavity is provided with control valve.
For achieving the above object, the invention provides a kind of control method based on aforesaid steel-cable suspensioning device, bag
Include:
Tell rope operating mode:
Drive second beam that opposite displacement occurs relative to first beam by the hanging oil cylinder;
Being partial to limiting mechanism by the steel wire rope drives the wedge joint deflection to be moved to wedge joint described in locking
The accommodating cavity side wall of the length of cable of the first side, and the motion restriction of the length of cable of the side of the wedge joint second is released, with
That realizes steel wire rope tells rope;
Enter operating mode of restricting:
Drive second beam that contrary displacement occurs relative to first beam by the hanging oil cylinder;
Being partial to limiting mechanism by the steel wire rope drives the wedge joint deflection to be moved to wedge joint described in locking
The accommodating cavity side wall of the length of cable of the second side, and the motion restriction of the length of cable of the side of the wedge joint first is released, with
That realizes steel wire rope enters rope.
Further, the steel-cable suspensioning device also includes support arm and joint position-limit mechanism, first beam, described
At least part of structure setting in second beam, the hanging oil cylinder and the suspension joint is in the inner space of the support arm
In, the control method also includes:
In the case where rope operating mode is told, by operating the joint position-limit mechanism so that the suspension joint and the support arm it
Between formed motion restriction state;
In the case where operating mode of restricting is entered, by operating the joint position-limit mechanism so that the suspension joint and the support arm it
Between formed motion restriction release state.
Further, the joint position-limit mechanism includes the be separately positioned on the support arm and the suspension joint
One pin hole and the second pin hole, the operation of the joint position-limit mechanism is specifically included:
Insert spacer pin to realize the motion restriction state in first pin hole and second pin hole;
Extract spacer pin to realize the motion restriction release state in first pin hole and second pin hole.
Further, connected by screw rod between first beam and second beam, regulation is provided with the screw rod
Nut;The control method also includes:
The second beam motion is being driven before realizing that steel wire rope adjusts rope, to adjust the regulation by the hanging oil cylinder
Nut, so that being capable of relative motion between first beam and second beam;
After steel wire rope adjusts rope to finish, the adjusting nut is adjusted, so as to tie up between first beam and second beam
Hold relatively fixed position relation.
Further, the both sides oil pocket of piston is equipped with hydraulic fluid port in the hanging oil cylinder;The control method also includes:
Before realizing that steel wire rope adjusts rope, by described oil is hung the second beam motion is driven by the hanging oil cylinder
The hydraulic fluid port connection pressure oil-source of cylinder, so that hanging oil cylinder elongation is promoting second beam relative to first beam to leaning on
Near direction motion, or shorten the hanging oil cylinder pull second beam relative to first beam to away from direction
Motion.
Based on above-mentioned technical proposal, motion process of the present invention by the second beam relative to the first beam is limited with steel wire rope deflection
Mechanism connects to the driving effect of wedge joint, is subjected to displacement to different motion direction relative to the first beam in the second beam
When, the length of cable of locking itself not ipsilateral is capable of in wedge joint, and is solved unless the motion of the length of cable of locking side is limited,
To enable the steel wire rope by the second beam to spue or extract relative to the first beam, and then operating personnel are caused in operation second
Beam can complete the adjustment of steel wire rope relative to the motion of the first beam, simplify the tune rope process of steel wire rope.By the steel of the present invention
Cord suspension arrangement, need not only dismantle wedge joint, it is not required that using special tune rope equipment when having tune rope demand, therefore
Can improve and adjust rope efficiency with cost-effective.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of an embodiment of steel-cable suspensioning device of the present invention.
Fig. 2 is the structural representation in B directions in Fig. 1 embodiments.
Fig. 3 is the generalized section of Section A-A in Fig. 1 embodiments.
Fig. 4 is the generalized section of the Section A-A that Fig. 1 embodiments fix support arm and suspension joint by spacer pin.
Fig. 5 is the enlarged diagram in F regions in Fig. 2.
Fig. 6 is the top view of the first beam dependency structure of steel-cable suspensioning device embodiment of the present invention.
Fig. 7 is the generalized section in the D-D sections of the first beam dependency structure in Fig. 6.
Fig. 8 is the generalized section in the C-C sections of the first beam dependency structure in Fig. 6.
Fig. 9 is the structural representation of the multirope friction winder with multiple steel-cable suspensioning devices of the present invention.
Specific embodiment
Below by drawings and Examples, technical scheme is described in further detail.
As shown in figure 1, the structural representation of the embodiment for steel-cable suspensioning device of the present invention.With reference to Fig. 2-5, this reality
The steel-cable suspensioning device applied in example includes:First beam 6, the second beam 9, hanging oil cylinder 14 and suspension joint 15.First beam 6 and
Two beams 9 are used for through steel wire rope 1, and steel wire rope 1 is fixed.The two ends of hanging oil cylinder 14 respectively with the second beam 9 and hang
Joint 15 connects.
When steel wire rope 1 is installed, steel wire rope 1 can be made to pass through from the first beam 6 and the second beam 9 successively, then reversely successively from
Second beam 9 and the first beam 6 are passed.Can be connected by screw rod 7 between first beam 6 and the second beam 9, regulation spiral shell is provided with screw rod 7
Female 16, the relative position that can be adjusted and fix between the first beam 6 and the second beam 9.Hanging oil cylinder 14 is connected to the second beam 9 and hangs
Between hanging joint 15, directly can be connected with the second beam 9, it is also possible to by other intermediate members (such as Fig. 1 latus inframediums 10 etc.)
It is indirectly connected with.The piston rod 12 of hanging oil cylinder 14 can be connected by earrings 11 and bearing pin 23 with suspension joint 15.Suspension joint 15
Hoisting container 30 (referring to Fig. 9) can be connected by bearing pin 20, hoisting container 30 is lifting people or the lifting envelope of article.Hang
The both sides oil pocket of piston 13 is equipped with hydraulic fluid port in oil cylinder 14, can carry out the tune rop exercise of steel wire rope 1 as when connect pressure oil-source,
So that the overall elongated of hanging oil cylinder 14 is promoting the second beam 9 to move to close direction relative to the first beam 6, or make hanging oil cylinder
14 it is overall shorten pull the second beam 9 relative to the first beam 6 to away from direction move.
In the present embodiment, steel-cable suspensioning device also includes wedge joint 8 and steel wire rope deflection limiting mechanism.Wherein,
Wedge joint 8 is arranged in the accommodating cavity set in the second beam 9, and steel wire rope 1 passes through the accommodating cavity simultaneously when the second beam 9 is passed twice through
Bypass wedge joint 8.Steel wire rope deflection limiting mechanism is arranged between the beam 9 of wedge joint 8 and second, can be in the phase of the second beam 9
When there is the displacement of preset direction for the first beam 6, the length of cable of the locking itself of wedge joint 8 side is driven, and release another
The motion of the length of cable of side is limited.
That is, the motion process by the second beam in the present embodiment relative to the first beam is partial to limiting mechanism with steel wire rope
The driving effect of wedge joint is connected, when the second beam is subjected to displacement relative to the first beam to different motion direction, is made
The length of cable of wedge joint locking itself not ipsilateral, and solve unless the motion of the length of cable of locking side is limited, to make
Can spue or extract relative to the first beam by the steel wire rope of the second beam.This makes it possible to so that operating personnel are in operation second
Beam relative to the first beam motion when can just complete the adjustment of steel wire rope, simplify the tune rope process of steel wire rope.Compared to existing
Steel wire rope adjust rope mode, the present embodiment can have adjust rope demand when need not dismantle wedge joint, it is not required that using special
Tune rope equipment, therefore, it is possible to cost-effective, improve and adjust rope efficiency.
In figure 3, steel wire rope deflection limiting mechanism can drive when the second beam 9 occurs opposite displacement relative to the first beam 6
The deflection of dynamic wedge joint 8 is moved to the accommodating of the length of cable of the side of locking wedge joint 8 first (left side of wedge joint 8 in Fig. 3)
Chamber side wall, and release the motion restriction of the length of cable of the side of wedge joint 8 second (right side of wedge joint 8 in Fig. 3).Now, by
Length of cable in the first side is limited motion, therefore when the second beam 9 is moved upwards, the length of cable of first side can be upwards
Spue from the first beam 6, that realizes steel wire rope 1 tells rope process.
Steel wire rope deflection limiting mechanism can drive wedge shape to connect when the second beam 9 occurs contrary displacement relative to the first beam 6
8 deflections are moved to the accommodating cavity side wall of the length of cable of the side of locking wedge joint 8 second, and release the side of wedge joint 8 first
Length of cable motion limit.Now, because the length of cable of the second side is limited motion, therefore when the second beam 9 is transported downwards
When dynamic, the steel wire rope of second side can be downwardly drawn out, and that realizes steel wire rope 1 enters rope process.
Second beam is partial to driving effect of the limiting mechanism to wedge joint relative to the motion process of the first beam with steel wire rope
Between can be joined by various modes (such as by automatically controlled linked manner, sequential linked manner or mechanical linkage mode etc.)
System.For example, motion process of second beam relative to the first beam can be detected by arranging sensor, and passes to control
Device.Controller can control the steel that steel wire rope deflection limiting mechanism drives wedge joint locking itself not ipsilateral according to transducing signal
Cord section, and solve unless the motion of the length of cable of locking side is limited.In another example, it would however also be possible to employ controller is simultaneously
Control sequential linkage control of motion and steel wire rope deflection limiting mechanism of second beam relative to the first beam to the driving of wedge joint
System.
Shown in Fig. 5 is then that one kind of mechanical linkage mode realizes example.Wherein, the second beam can be by machinery in motion
The mode of transmission drives steel wire rope deflection limiting mechanism to drive the length of cable of wedge joint locking itself not ipsilateral, and
Solution is unless the motion of the length of cable of locking side is limited.Specifically, side plate 10 is provided with the second beam 9, the second beam 9 passes through side
Plate 10 is connected with hanging oil cylinder 14, and side plate 10 can be moved relative to the in the vertical direction of the second beam 9.Steel wire rope deflection limit
Mechanism processed specifically includes:First locking top arm 17, the second locking top arm 18 and push-and-pull part 19, the first locking top arm 17 is located at the
Cut with scissors one end of the top of two locking top arms 18 and push-and-pull part 19, one end of the first locking top arm 17 and the second locking top arm 18
It is connected on the second beam 9, side plate 10, the beam 9 of wedge joint 8 and second rotate secondary by hinge and the composition of the first locking top arm 17, push away
The other end for drawing one end and the second locking top arm 18 of part 19 is rotated and is connected, the other end and side plate 10, wedge joint 8 and second
Beam 9 constitutes moving sets and rotates secondary.
When side plate 10 is pushed up by hanging oil cylinder 14, side plate 10 can promote the second rotation counterclockwise of locking top arm 18
Turn, while push-and-pull part 19 turns clockwise, and wedge joint 8 is pushed up to the right, the steel wire rope up on the right side of by wedge joint 8
Section is compressed, and prevents the length of cable on right side from moving relative to the second beam 9.The length of cable in the left side of simultaneously wedge joint 8 then by
Loosen, can move relative to the second beam 9.With the motion upwards of side plate 10, the second beam 9 can be also driven to move upwards.Second
Beam 9 can drive compacted length of cable to spue upwards from the first beam 6, and while the remaining rope stretching that the first beam 6 enters side of restricting is slided
To the downside of the second beam 9, so as to complete to tell rope process.
After telling rope and finishing, hanging oil cylinder 14 can pull side plate 10 to move downward, and side plate 10 can then drive the second lock
Only top arm 18 turns clockwise, while the rotate counterclockwise of push-and-pull part 19, so that the right side length of cable of wedge joint 8 is put
Pine.Side plate 10 is moved downward can drive the first locking top arm 17 to turn clockwise, the length of cable up on the left of by wedge joint 8
Compress, prevent the length of cable in left side from moving relative to the second beam 9.With moving downward for side plate 10, second can be also driven
Beam 9 is moved downward, and the clamped length of cable in the left side of now wedge joint 8 can be together downward with the second beam 9, and from the first beam
Extract one section of steel wire rope in 6, the first beam 6 tells this section of rope replacement that the rope gone out more than rope side is then pulled out into, and pastes with wedge joint 8
Tightly, so as to completing into rope process.
In order to enable wedge joint 8 accurately and effectively to realize the effect to steel wire rope 1, wedge shape during above-mentioned tune rope
Joint 8 preferably includes the wedge shaped joint body in side, and the sectional dimension of joint body becomes larger from top surface to bottom surface.It is accommodating
The Internal periphery in chamber can be wedge shaped, and matches with the joint body side of wedge joint 8.The side and bottom surface of joint body is all provided with
Have grooving, can with the Internal periphery of accommodating cavity accommodate jointly through steel wire rope 1.Wedge joint 8 can be relative to accommodating cavity side
To moving and moving up and down, with the lateral movement of wedge joint 8, the steel wire rope 1 of the side of wedge joint 8 is understood compacted or is put
Pine.
In order to ensure being not in slippery conditions between steel-cable suspensioning device and steel wire rope 1, can be provided with the first beam 6
Steel wire rope slfactuating latch, can enter rope and/or tell rope to realize auto lock to steel wire rope 1 relative to the first beam 6.Such as Fig. 6
It is shown, it is the top view of the first beam dependency structure of steel-cable suspensioning device embodiment of the present invention.With reference to shown in Fig. 7 and Fig. 8
Two generalized sections, steel wire rope slfactuating latch includes into rope wedged hole 31 and tells rope wedged hole 32, in the wedged hole 31 that enters to restrict
With tell rope wedged hole 32 in be respectively equipped with into rope wedge 24 and tell rope wedge 5.Steel wire rope 1 is worn from the wedged hole 31 that enters to restrict
Go out, after the wedge joint 8 in the second beam of pile warp 9, penetrate and tell rope wedged hole 32.The wedge 24 that enters to restrict is distinguished with rope wedge 5 is told
Steel wire rope 1 to penetrating realizes auto lock, enter to restrict wedged hole 31 and tell rope wedged hole 32 the tapered direction of cross sectional dimensions with
Penetrating for steel wire rope 1 is in opposite direction.
In normal work, there is the trend being drawn out relative to the first beam 6 in steel wire rope 1, and in the He of wedge 24 of entering to restrict
Enter to restrict in the presence of wedged hole 31, steel wire rope 1 is more pulled out outward, then the wedge 24 that enters to restrict will get over clamping steel wire rope 1, to it
Apply bigger pressure, form bigger frictional force, so as to avoid steel wire rope 1 from up being pulled out, otherwise steel wire rope 1 can be smooth
Enter in the gap formed into rope wedge 24.Therefore the safeguard construction of steel wire rope only import but no export is defined.In the same manner, steel
The end of cord 1 extend into telling for the first beam 6 and restricts in wedged hole 32 via the second beam 9, and realizes locking by telling rope wedge 5
Effect.When steel wire rope 1 is pulled outward, telling rope wedge 5 and tell rope wedged hole 32 can be in clamping steel wire rope 1 under cooperation
End, it is to avoid the end of steel wire rope 1 is down drawn in the first beam 6.Conversely, steel wire rope 1 can be relative to the first beam 6 successfully
Spue upwards.Therefore the safeguard construction of steel wire rope only export but no import is defined.
By this steel wire rope slfactuating latch, the security of steel wire hang can not only be guaranteed, it is to avoid steel wire rope phase
For the skidding of steel-cable suspensioning device, it is also possible to coordinate wedge joint 8 and steel wire rope deflection limiting mechanism to realize steel wire rope
Rope function is adjusted, therefore improves the systematicness of whole device, dependable with function.
The wedged hole 31 that enters to restrict is preferably placed at the center position of the first beam 6, to guarantee steel wire rope with steel-cable suspensioning device
Tension balanced.Wedged hole 31 and tell the steel wire rope of rope wedged hole 32 and wear porch and further respectively have the first disc spring 4 and the entering to restrict
Two disc springs 22.One end of first disc spring 4 can be fixed on the reduced size section into rope wedge 24, and the other end is held out against in the first beam
6 upper surface.One end of second disc spring 22 can be fixed on the reduced size section for telling rope wedge 5, and the other end is held out against first
The lower surface of beam 6.The Main Function of the first disc spring 4 and the second disc spring 22 is the locking steel wire in lift system accidental conditions
Rope, and unidirectionally enter rope and tell during rope mouth unidirectionally tells rope in the rope inlet for adjusting rope process to play a part of steel wire rope locking.
In figures 1-4, steel-cable suspensioning device can also include support arm 2.First beam 6, the second beam 9, hanging oil cylinder 14
With at least part of structure setting in suspension joint 15 in the inner space of support arm 2, between the beam 6 of support arm 2 and first
Plane bearing 3 is additionally provided with, a surface and the support arm 2 of plane bearing 3 are fixed, and another surface is fixed with the first beam 6.First beam 6
The release of the torsional moment that the plane bearing of upper setting can be rotated and realize steel wire rope 1 with steel wire rope 1.
In another embodiment, steel-cable suspensioning device can also include joint position-limit mechanism, joint position-limit mechanism energy
It is enough to realize suspension joint 15 relative to cutting between the motion restriction state and motion restriction release state of support arm 2 under operation
Change.For example, the joint position-limit mechanism in Fig. 3 and Fig. 4 may particularly include be separately positioned on support arm 2 and suspension joint 15
One pin hole 25 and the second pin hole 26, by inserting spacer pin 21 in the first pin hole 25 and the second pin hole 26 to realize fortune
Dynamic restriction state, by extracting spacer pin 21 in the first pin hole 25 and the second pin hole 26 to realize motion restriction cancellation shape
State.
The various embodiments described above of steel-cable suspensioning device of the present invention can be applicable to the various occasions for needing hanging steel rope, especially
It is applied to multirope friction winder.Therefore present invention also offers a kind of multirope friction winder, including hoisting container 30, carry
Rise the multiple aforementioned steel-cable suspensioning device of drive mechanism, a plurality of steel wire rope 1 and a plurality of steel wire rope 1 of correspondence.Lift drive mechanism
Can be hoisting drum, lift cylinder etc..
Hydraulic fluid port on the rod chamber of the hanging oil cylinder of each steel-cable suspensioning device is interconnected by oil circuit 28, and
The hydraulic fluid port of each rod chamber is provided with control valve 29, and the hydraulic fluid port on the rodless cavity of the hanging oil cylinder of each steel-cable suspensioning device is also equal
It is interconnected by oil circuit 28, and the hydraulic fluid port in each rodless cavity is provided with control valve 29.The oil circuit 28 can be in steel wire hang
Steel wire rope tension autobalance is adjusted by the internal oil pressure balance of each hanging oil cylinder when device normally runs.Additionally,
Adjusting the hydraulic fluid port of hanging oil cylinder during rope can connect pressure oil-source.Pressure oil-source can be hydraulic power unit, accumulator or other liquid
Force feed road.
Based on the embodiment of above-mentioned each steel-cable suspensioning device, present invention also offers control method, the method includes:
Tell rope operating mode:
Drive the second beam 9 that opposite displacement occurs relative to the first beam 6 by hanging oil cylinder 14;
Being partial to limiting mechanism by steel wire rope drives the deflection of wedge joint 8 to be moved to the steel of the side of locking wedge joint 8 first
The accommodating cavity side wall of cord section, and the motion restriction of the length of cable of the side of wedge joint 8 second is released, to realize steel wire rope 1
Tell rope;
Enter operating mode of restricting:
Drive the second beam 9 that contrary displacement occurs relative to the first beam 6 by hanging oil cylinder 14;
Being partial to limiting mechanism by steel wire rope drives the deflection of wedge joint 8 to be moved to the steel of the side of locking wedge joint 8 second
The accommodating cavity side wall of cord section, and the motion restriction of the length of cable of the side of wedge joint 8 first is released, to realize steel wire rope 1
Enter rope.
In one embodiment of steel-cable suspensioning device, steel-cable suspensioning device also includes that support arm 2 and joint are spacing
Mechanism, at least part of structure setting in the first beam 6, the second beam 9, hanging oil cylinder 14 and suspension joint 15 is in support arm 2
In portion space, corresponding control method also includes:In the case where rope operating mode is told, by operating joint position-limit mechanism, so that suspension joint
Motion restriction state is formed between 15 and support arm 2;In the case where operating mode of restricting is entered, by operating joint position-limit mechanism, so as to hang connect
Motion restriction release state is formed between 15 and support arm 2.
In another embodiment of steel-cable suspensioning device, the joint position-limit mechanism in steel-cable suspensioning device may include
The first pin hole 25 and the second pin hole 26 being separately positioned on support arm 2 and suspension joint 15, corresponding joint position restrainer
The operation of structure is specifically included:Insert spacer pin 21 to realize motion restriction state in the first pin hole 25 and the second pin hole 26;
Extract spacer pin 21 to realize motion restriction release state in the first pin hole 25 and the second pin hole 26.
In another embodiment of steel-cable suspensioning device, the first beam 6 and the second beam 9 in steel-cable suspensioning device it
Between can be connected by screw rod 7, adjusting nut 16 is provided with screw rod 7;Corresponding control method also includes:By hanging oil
Before cylinder 14 drives the motion of the second beam 9 to realize steel wire rope tune rope, by the adjusting nut between the first beam 6 and the second beam 9 on the lower
16 are screwed near the side of the first beam 6, so that being capable of relative motion between the first beam 6 and the second beam 9;Rope is adjusted to finish in steel wire rope
Afterwards, the adjusting nut 16 is screwed near the side of the second beam 9, so as to remain relatively-stationary between the first beam 6 and the second beam 9
Position relationship.
In another embodiment of steel-cable suspensioning device, the both sides oil pocket of piston 13 can be provided with hanging oil cylinder 14
Hydraulic fluid port;Control method also includes:Before realizing that steel wire rope adjusts rope, will hang the motion of the second beam 9 is driven by hanging oil cylinder 14
The hydraulic fluid port connection pressure oil-source of oil cylinder 14 is hung, so that the elongation of hanging oil cylinder 14 is promoting the second beam 9 relative to the first beam 6 to close
Direction motion, or make hanging oil cylinder 14 shorten pull the second beam 9 relative to the first beam 6 to away from direction move.
Process is normally used to steel-cable suspensioning device with reference to the steel-cable suspensioning device structure shown in Fig. 1-4
It is described in detail with tune rope process.
Steel-cable suspensioning device be in accidental conditions when, steel wire rope 1, support arm 2, plane bearing 3, the first beam 6,
Second beam 9 is relatively fixed, and hanging oil cylinder 14, suspension joint 15 and hoisting container 30 are relatively fixed.And each hanging oil cylinder 14
Rod chamber is respectively communicated with by oil circuit 28, and rodless cavity is respectively communicated with by another oil circuit 28.Control on rod chamber hydraulic fluid port
Valve 29 is fully open, realizes oil pressure balance between each cylinder rod chamber, so as to realize that steel wire rope tension is balanced.
The two reverse wedges 24 that enter to restrict arranged in first beam 6 complete the automatic of steel wire rope 1 with rope wedge 5 is told
Locking.By the way that multiple adjusting nuts 16 are tightened to respectively near the position of the first beam 6 and the second beam 9, now the first beam 6 and the
Without relative motion between two beams 9.
When needing to carry out adjusting rope to steel wire rope, operating personnel first can insert what spacer pin 21 was inserted on support arm 2
The second pin hole 26 on pin-and-hole 25 and suspension joint 15 so that support arm 2, the upper surface of plane bearing 4, hanging oil cylinder 14,
Suspension joint 15 and hoisting container 30 are relatively fixed, and the lower surface of steel wire rope 1 and plane bearing 4, the first beam 6 and the second beam 9
It is relatively fixed.Then, the adjusting nut 16 between the first beam 6 and the second beam 9 on the lower is screwed near the side of the first beam 6, this
When the second beam 9 and the first beam 6 can with relative motion, and will need adjust rope steel-cable suspensioning device hanging oil cylinder 14 hydraulic fluid port
Connected fluid pressure line is taken apart, is connected with A, B mouth of pressure oil-source respectively.
By rod chamber emptying from pressure oil-source to hanging oil cylinder 14, rodless cavity oiling moves up piston rod 12, living
Stopper rod 12 heads on side plate 10 and moves up.Side plate 10 passes through the first locking top arm 17, the second locking top arm 18 and push-and-pull part 19
To drive wedge joint 8 to hold out against the length of cable in the left side of wedge joint 8.Side plate 10 drives the second beam 9 to move upwards, steel wire rope 1
Spue upwards from the first beam 6, and left side rope is motionless, the remaining rope stretching on right side is in the downside of wedge joint 8.Realize steel wire rope 1
Tell rope process.
Complete to tell after rope, pressure oil-source can unload the rod chamber oiling of hanging oil cylinder 14, rodless cavity by the valve action that commutates
Oil, so that piston rod 12 bounces back downwards, drives side plate 10 to move down.Side plate 10 is locked by the first locking top arm 17, second
Only top arm 18 and push-and-pull part 19 are driving wedge joint 8 to hold out against the length of cable on the right side of wedge joint 8.Side plate 10 drives second
Beam 9 is moved downward, and steel wire rope 1 is downwardly drawn out from the first beam 6.Tell one section of rope replacement and and wedge that the rope gone out more than restricting is pulled out into
Shape joint 8 is adjacent to, and so as to realize steel wire rope 1 rope process is entered.
More than complete to adjust a circulation during rope, multiple circulations to complete the tune rope process of certain length.Complete to adjust
After rope task, the adjusting nut 16 is screwed near the side of the second beam 9, by the hydraulic fluid port point of pressure oil-source and hanging oil cylinder 14
From, and the oil circuit 28 between hanging oil cylinder 14 is connected again, then extract the spacer pin for fixing suspension joint 15 and support arm 2
21, you can allow steel-cable suspensioning device to return to normal operating conditions.
For the present invention is hanged including the steel wire rope of wedge joint, steel wire rope slfactuating latch, steel wire rope deflection limiting mechanism
For hang device embodiment, the device realizes that steel wire rope is locked by steel wire rope slfactuating latch;In lift system running
In, by the way that the connection of multiple hanging oil cylinder fluid pressure lines is realized into steel wire rope dynamic tension is balanced;Meanwhile, by plane bearing with turn
Dynamic secondary release steel wire rope torsional moment;During overhauling, rope need to be such as told, by the pressure oil-sources such as oil cylinder and hydraulic power unit and control system
System connection, drives steel wire rope to be partial to limiting mechanism and moves and coordinate wedge joint and steel wire rope slfactuating latch to realize by oil cylinder
Rope is told online, and without the need for adding special lock rope and adjusting rope device again.
Finally it should be noted that:Above example is only to illustrate technical scheme rather than a limitation;To the greatest extent
Pipe has been described in detail with reference to preferred embodiment to the present invention, and those of ordinary skill in the art should be understood:Still
The specific embodiment of the present invention can be modified or equivalent is carried out to some technical characteristics;Without deviating from this
The spirit of bright technical scheme, it all should cover in the middle of the technical scheme scope being claimed in the present invention.
Claims (20)
1. a kind of steel-cable suspensioning device, including:First beam (6), the second beam (9), hanging oil cylinder (14) and for connect lifted
The suspension joint (15) of container (30), first beam (6) and second beam (9) for through steel wire rope (1), and to steel wire
Rope (1) is fixed, and the two ends of the hanging oil cylinder (14) are respectively with second beam (9) and the suspension joint (15) even
Connect;Characterized in that, also including wedge joint (8) and steel wire rope deflection limiting mechanism, the wedge joint (8) is arranged on described
In the accommodating cavity set in second beam (9), the steel wire rope deflection limiting mechanism is arranged on the wedge joint (8) and described second
Between beam (9), can drive described when second beam (9) occurs the displacement of preset direction relative to first beam (6)
The length of cable of wedge joint (8) locking itself side, and release the motion restriction of the length of cable of opposite side.
2. steel-cable suspensioning device according to claim 1, it is characterised in that the steel wire rope deflection limiting mechanism can
When second beam (9) occurs opposite displacement relative to first beam (6), wedge joint (8) the deflection movement is driven
To the accommodating cavity side wall of the length of cable of the side of wedge joint described in locking (8) first, and release the side of the wedge joint (8) second
Length of cable motion limit, and second beam (9) relative to first beam (6) occur contrary displacement when, drive
Dynamic wedge joint (8) deflection is moved to the accommodating cavity side wall of the length of cable of the side of wedge joint (8) second described in locking, and
The motion for releasing the length of cable of the side of the wedge joint (8) first is limited.
3. steel-cable suspensioning device according to claim 2, it is characterised in that be provided with side plate on second beam (9)
(10), second beam is connected by the side plate with the hanging oil cylinder, and the steel wire rope deflection limiting mechanism is specifically included:
First locking top arm (17), the second locking top arm (18) and push-and-pull part (19), the first locking top arm (17) is positioned at second
The top of locking top arm (18) and the push-and-pull part (19), one end of the first locking top arm (17) and second locking
One end of top arm (18) is hinged on second beam (9), the side plate (10), the wedge joint (8) and described second
Beam (9) is realized rotating and is connected by hinge and the first locking top arm (17), one end of the push-and-pull part (19) with it is described
The other end composition of the second locking top arm (18) rotates secondary, the other end and the side plate (10), the wedge joint (8) and described
Second beam (9) constitutes moving sets and rotates secondary.
4. steel-cable suspensioning device according to claim 1, it is characterised in that the wedge joint (8) is in including side
The joint body of wedge shape, the sectional dimension of the joint body from up to down becomes larger, the Internal periphery of the accommodating cavity and institute
The side for stating wedge joint (8) matches, the wedge joint (8) can relative to the accommodating cavity lateral movement and on move down
Dynamic, the side and bottom surface of the joint body are equipped with grooving, can with the Internal periphery of the accommodating cavity accommodate jointly through
Steel wire rope (1).
5. steel-cable suspensioning device according to claim 1, it is characterised in that be provided with steel wire in first beam (6)
Rope slfactuating latch, under lift system accidental conditions and can adjust under rope operating mode to the steel wire rope (1) relative to institute
State entering rope and/or telling rope and realize auto lock for the first beam (6).
6. steel-cable suspensioning device according to claim 5, it is characterised in that the steel wire rope slfactuating latch include into
Rope wedged hole (31) and tell rope wedged hole (32), it is described enter restrict wedged hole (31) and it is described tell to restrict set respectively in wedged hole (32)
Have into rope wedge (24) and tell rope wedge (5), the steel wire rope (1) enters to restrict and pass in wedged hole (31) from described, pile warp
After wedge joint (8) in second beam (9), penetrate it is described tell rope wedged hole (32), it is described to enter to restrict wedge (24) and institute
State and tell rope wedge (5) steel wire rope (1) respectively to penetrating and realize auto lock, it is described to enter to restrict wedged hole (31) and described
The tapered direction of cross sectional dimensions for telling rope wedged hole (32) is in opposite direction with penetrating for the steel wire rope (1).
7. steel-cable suspensioning device according to claim 6, it is characterised in that enter to restrict wedged hole (31) and described described
The steel wire rope for telling rope wedged hole (32) wears porch and further respectively has the first disc spring (4) and the second disc spring (22).
8. steel-cable suspensioning device according to claim 6, it is characterised in that described to enter to restrict wedged hole (31) positioned at described
The center position of the first beam (6).
9. steel-cable suspensioning device according to claim 1, it is characterised in that also including support arm (2), first beam
(6), at least part of structure setting in second beam (9), the hanging oil cylinder (14) and the suspension joint (15) is in institute
In stating the inner space of support arm (2), plane bearing (3) is additionally provided between the support arm (2) and first beam (6),
One surface of the plane bearing (3) is fixed with the support arm (2), and another surface is fixed with first beam (6).
10. steel-cable suspensioning device according to claim 1, it is characterised in that also spacing including support arm (2) and joint
Mechanism, at least portion in first beam (6), second beam (9), the hanging oil cylinder (14) and the suspension joint (15)
Separation structure is arranged in the inner space of the support arm (2), and the joint position-limit mechanism can be realized described outstanding under operation
Hanging joint (15) is relative to the switching between the motion restriction state and motion restriction release state of the support arm (2).
11. steel-cable suspensioning devices according to claim 10, it is characterised in that the joint position-limit mechanism includes difference
The first pin hole (25) and the second pin hole (26) being arranged on the support arm (2) and the suspension joint (15), passes through
In first pin hole (25) and second pin hole (26) insertion spacer pin (21) to realize the motion restriction state,
Realize that the motion is limited by extracting spacer pin (21) in first pin hole (25) and second pin hole (26)
Releasing state.
12. steel-cable suspensioning devices according to claim 1, it is characterised in that first beam (6) and second beam
(9) connected by screw rod (7) between, adjusting nut (16) is provided with the screw rod (7), can adjust and fix described first
Relative position between beam (6) and second beam (9).
13. steel-cable suspensioning devices according to claim 1, it is characterised in that piston in the hanging oil cylinder (14)
(13) both sides oil pocket is equipped with hydraulic fluid port, can carry out the tune rop exercise of the steel wire rope (1) as when connect pressure oil-source so that
The hanging oil cylinder (14) extends to promote second beam (9) to move to close direction relative to first beam (6), or
Make the hanging oil cylinder (14) shorten pull second beam (9) relative to first beam (6) to away from direction move.
A kind of 14. multirope friction winders, including hoisting container (30), lifting drive mechanism and a plurality of steel wire rope (1), its feature
It is, also including the arbitrary described steel-cable suspensioning device of multiple claims 1~13 of the correspondence a plurality of steel wire rope (1).
15. multirope friction winders according to claim 14, it is characterised in that each steel-cable suspensioning device
Hydraulic fluid port on rod chamber is interconnected by oil circuit (28), and the hydraulic fluid port in each rod chamber is provided with control valve (29), each
Hydraulic fluid port on the rodless cavity of the steel-cable suspensioning device is also interconnected by oil circuit (28), and in the oil of each rodless cavity
Mouth is provided with control valve (29).
A kind of 16. control methods based on the arbitrary described steel-cable suspensioning device of claim 1~13, it is characterised in that bag
Include:
Tell rope operating mode:
Drive second beam (9) that opposite displacement occurs relative to first beam (6) by the hanging oil cylinder (14);
Being partial to limiting mechanism by the steel wire rope drives wedge joint (8) deflection to be moved to wedge joint described in locking
The accommodating cavity side wall of the length of cable of (8) first sides, and release the motion limit of the length of cable of the side of the wedge joint (8) second
System, with realize steel wire rope (1) rope is told;
Enter operating mode of restricting:
Drive second beam (9) that contrary displacement occurs relative to first beam (6) by the hanging oil cylinder (14);
Being partial to limiting mechanism by the steel wire rope drives wedge joint (8) deflection to be moved to wedge joint described in locking
The accommodating cavity side wall of the length of cable of (8) second sides, and release the motion limit of the length of cable of the side of the wedge joint (8) first
System, with realize steel wire rope (1) enter rope.
17. control methods according to claim 16, it is characterised in that the steel-cable suspensioning device also includes support arm
(2) and joint position-limit mechanism, first beam (6), second beam (9), the hanging oil cylinder (14) and the suspension joint
(15) in the inner space of the support arm (2), the control method also includes at least part of structure setting in:
In the case where rope operating mode is told, by operating the joint position-limit mechanism, so that the suspension joint (15) and the support arm (2)
Between formed motion restriction state;
In the case where operating mode of restricting is entered, by operating the joint position-limit mechanism, so that the suspension joint (15) and the support arm (2)
Between formed motion restriction release state.
18. control methods according to claim 17, it is characterised in that the joint position-limit mechanism includes being separately positioned on
The first pin hole (25) and the second pin hole (26) on the support arm (2) and the suspension joint (15), the joint limit
The operation of position mechanism is specifically included:
Limited with realizing the motion in first pin hole (25) and second pin hole (26) insertion spacer pin (21)
State;
Spacer pin (21) is extracted in first pin hole (25) and second pin hole (26) to realize that the motion is limited
Releasing state.
19. control methods according to claim 16, it is characterised in that first beam (6) and second beam (9) it
Between by screw rod (7) connect, adjusting nut (16) is provided with the screw rod (7);The control method also includes:
The second beam (9) motion is being driven by the hanging oil cylinder (14) come before realizing that steel wire rope adjusts rope, adjustment is described
Adjusting nut (16), so that being capable of relative motion between first beam (6) and second beam (9);
After steel wire rope adjusts rope to finish, the adjusting nut (16) is adjusted, so that first beam (6) and second beam (9)
Between maintain relatively fixed position relation.
20. control methods according to claim 16, it is characterised in that the two of piston (13) in the hanging oil cylinder (14)
Side oil pocket is equipped with hydraulic fluid port;The control method also includes:
Before realizing that steel wire rope adjusts rope, described will hang the second beam (9) motion is driven by the hanging oil cylinder (14)
The hydraulic fluid port connection pressure oil-source of oil cylinder (14) is hung, so that the hanging oil cylinder (14) extends to promote second beam (9) relative
Move to close direction in first beam (6), or make the hanging oil cylinder (14) shorten to pull the second beam (9) phase
For first beam (6) to away from direction move.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108792885A (en) * | 2018-07-10 | 2018-11-13 | 奥特朗博电梯有限公司 | A kind of high strength wire rope terminating set |
CN109186936A (en) * | 2018-09-13 | 2019-01-11 | 大连海事大学 | Raising of a wreck hydraulic pressure lift and half active compensation analogue test platform |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB897025A (en) * | 1959-02-11 | 1962-05-23 | Edgar Atheling Davies | Improvements in and relating to the suspension and tensioning of guide and rubbing ropes in vertical pit shafts |
CN102259790A (en) * | 2011-08-20 | 2011-11-30 | 太原理工大学 | Rope locking device through multi-rope hydraulic synchronization control |
CN104355199A (en) * | 2014-10-23 | 2015-02-18 | 太原理工大学 | Intelligent control falling protector for flexible cage guide |
-
2017
- 2017-03-03 CN CN201710122004.0A patent/CN106629328B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB897025A (en) * | 1959-02-11 | 1962-05-23 | Edgar Atheling Davies | Improvements in and relating to the suspension and tensioning of guide and rubbing ropes in vertical pit shafts |
CN102259790A (en) * | 2011-08-20 | 2011-11-30 | 太原理工大学 | Rope locking device through multi-rope hydraulic synchronization control |
CN104355199A (en) * | 2014-10-23 | 2015-02-18 | 太原理工大学 | Intelligent control falling protector for flexible cage guide |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108792885A (en) * | 2018-07-10 | 2018-11-13 | 奥特朗博电梯有限公司 | A kind of high strength wire rope terminating set |
CN108792885B (en) * | 2018-07-10 | 2019-10-11 | 奥特朗博电梯有限公司 | A kind of high strength wire rope terminating set |
CN109186936A (en) * | 2018-09-13 | 2019-01-11 | 大连海事大学 | Raising of a wreck hydraulic pressure lift and half active compensation analogue test platform |
Also Published As
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CN106629328B (en) | 2019-06-07 |
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