CN106629328B - Steel-cable suspensioning device, control method and multi-rope friction hoist system - Google Patents

Steel-cable suspensioning device, control method and multi-rope friction hoist system Download PDF

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Publication number
CN106629328B
CN106629328B CN201710122004.0A CN201710122004A CN106629328B CN 106629328 B CN106629328 B CN 106629328B CN 201710122004 A CN201710122004 A CN 201710122004A CN 106629328 B CN106629328 B CN 106629328B
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China
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rope
wirerope
cable
joint
steel
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CN106629328A (en
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寇子明
吴娟
寇保福
王海清
成爱明
寇少凯
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Taiyuan University of Technology
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Taiyuan University of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • B66B7/06Arrangements of ropes or cables

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  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

The present invention relates to a kind of steel-cable suspensioning device, control method and multi-rope friction hoist systems, device includes: the first beam (6), the second beam (9), hanging oil cylinder (14) and the suspension joint (15) for connecting hoisting container (30), first beam (6) and the second beam (9) are used for across wirerope (1), and wirerope (1) is fixed, the both ends of hanging oil cylinder (14) are connect with the second beam (9) and suspension joint (15) respectively;It further include that wedge joint (8) and wirerope are biased to limiting mechanism, in the accommodating cavity that wedge joint (8) setting is set in the second beam (9), wirerope is biased to limiting mechanism and is arranged between wedge joint (8) and the second beam (9), it can be when relative to the first beam (6) displacement of preset direction occurs for the second beam (9), the length of cable of wedge joint (8) locking itself side is driven, and releases the movement limitation of the length of cable of the other side.The present invention can easily carry out that rop exercise is adjusted to make.

Description

Steel-cable suspensioning device, control method and multi-rope friction hoist system
Technical field
The present invention relates to engineer operation field more particularly to a kind of steel-cable suspensioning devices, control method and multi-rope friction Lifting system.
Background technique
For mine hoist, steel-cable suspensioning device is the important device that elevator operates normally.Existing band The steel-cable suspensioning device of peach-shaped ring can be realized wirerope 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 achieve and adjust rope function, and dedicated tune rope equipment is needed to be adjusted Rope needs to open peach-shaped ring when adjusting rope, needs to close peach-shaped ring after having adjusted rope, and adjusting rope, time-consuming, at high cost.
On the other hand, existing steel-cable suspensioning device pay attention in terms of the torsional moment release of wirerope not enough, with The increase of mine depth, wirerope are increased by reversed fatigue stress, and rope service-life can also shorten rapidly.In control method side Face, the existing steel-cable suspensioning device with peach-shaped ring depend on oil cylinder unduly in terms of adjusting steel wire rope tension autobalance, with As for oil cylinder piston rod stroke cover after would have to carry out tune rope, wirerope can generate plastic deformation in tension, especially It is that wirerope deformation extent is big in km deep-well, however oil cylinder stroke is short, so adjusting the rope period short, leads to mentioning for human cost It rises.
Summary 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 systems, can It easily carries out that rop exercise is adjusted to make.
To achieve the above object, the present invention provides a kind of steel-cable suspensioning devices, comprising: the first beam, the second beam, suspension Oil cylinder and suspension joint for connecting hoisting container, first beam and second beam are used for across wirerope, and to steel Cord is fixed, and the both ends of the hanging oil cylinder are connect with second beam and the suspension joint respectively;Wherein, further include Wedge joint and wirerope are biased to limiting mechanism, and the wedge joint is arranged in the accommodating cavity set in second beam, described Wirerope is biased to limiting mechanism and 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 is released another The movement of the length of cable of side limits.
Further, the wirerope, which is biased to limiting mechanism, phase occurs relative to first beam in second beam To when displacement, the wedge joint deviation is driven to be moved to the accommodating cavity side of the length of cable of the first side of wedge joint described in locking Wall, and the movement limitation of the length of cable of described wedge joint second side is released, and in second beam relative to described the When opposite displacement occurs for one beam, the wedge joint is driven to be biased to be moved to the length of cable of wedge joint second side described in locking Accommodating cavity side wall, and release first side of wedge joint length of cable movement limitation.
Further, side plate is equipped on second beam, second beam passes through the side plate and the hanging oil cylinder Connection, the wirerope are biased to limiting mechanism and are specifically included: the first locking top arm, the second locking top arm and push-and-pull component, described First locking top arm is located at the top of the second locking top arm and the push-and-pull component, 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 Hinged shaft and the first locking top arm, which are realized, to be rotatablely connected, and described one end for pushing and pulling component is another with the second locking top arm End composition revolute pair, the other end and the side plate, the wedge joint and second beam composition prismatic pair and revolute pair.
Further, the wedge joint includes the wedge shaped joint body in side, the sectional dimension of the joint body It becomes larger from top to bottom, the Internal periphery of the accommodating cavity and the side of the wedge joint match, 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 rope groove, can With the Internal periphery of the accommodating cavity accommodate jointly across wirerope.
Further, it is equipped with wirerope slfactuating latch in first beam, work can be operated normally in lifting system Under condition and adjusts automatically lock is realized into restricting and/or spitting rope relative to first beam to the wirerope under rope operating condition.
Further, the wirerope slfactuating latch includes into rope wedged hole and spitting rope wedged hole, described into rope wedge Shape hole and described spit in rope wedged hole are respectively equipped with into rope wedge block and spit rope wedge block, and the wirerope is from described into rope wedge shape Be pierced by hole, after the wedge joint in the second beam described in pile warp, penetrate it is described spit rope wedged hole, it is described into rope wedge block and described It spits rope wedge block automatically lock is realized to the wirerope that penetrates respectively, it is described into rope wedged hole and the rope wedged hole of spitting The tapered direction of cross sectional dimensions is contrary with penetrating for the wirerope.
Further, it wears inlet with the wirerope for spitting rope wedged hole into rope wedged hole described and further respectively has the One disc spring and the second disc spring.
Further, the center position that first beam is located at into rope wedged hole.
It further, further include support arm, first beam, second beam, the hanging oil cylinder and the suspension connect At least partly structure setting in head is in the inner space of the support arm, between the support arm and first beam also Equipped with plane bearing, a surface and the support arm of the plane bearing are fixed, and another surface is fixed with first beam.
It further, further include support arm and connector position-limit mechanism, first beam, second beam, suspension oil At least partly structure setting in cylinder and the suspension joint is in the inner space of the support arm, the connector position-limit mechanism The suspension joint can be realized relative to the movement restriction state of the support arm and movement restriction release state under operation Between switching.
Further, the connector position-limit mechanism includes 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 being inserted into spacer pin in first pin hole and second pin hole Restriction state is moved, by extracting spacer pin in first pin hole and second pin hole to realize that the movement limits Releasing state.
Further, it is connected between first beam and second beam by screw rod, is equipped with and adjusts on the screw rod Nut can adjust and fix the relative position between first beam and second beam.
Further, the two sides oil pocket of piston is equipped with hydraulic fluid port in the hanging oil cylinder, can carry out the wirerope Tune rop exercise as when connect pressure oil-source so that the hanging oil cylinder elongation to push second beam relative to first beam It is moved to close direction, or shortens the hanging oil cylinder to pull second beam relative to first beam to separate Direction movement.
To achieve the above object, the present invention provides a kind of multi-rope friction hoist systems, including hoisting container, promotion driving Mechanism and a plurality of wirerope, wherein further include multiple steel-cable suspensioning devices above-mentioned of the corresponding a plurality of wirerope.
Further, the hydraulic fluid port on the rod chamber of each steel-cable suspensioning device is interconnected by oil circuit, and It is equipped with control valve in the hydraulic fluid port of each rod chamber, the hydraulic fluid port on the rodless cavity of each steel-cable suspensioning device also passes through oil Road is interconnected, and is equipped with control valve in the hydraulic fluid port of each rodless cavity.
To achieve the above object, the present invention provides a kind of control method based on steel-cable suspensioning device above-mentioned, packets It includes:
Spit rope operating condition:
Drive second beam that opposite displacement occurs relative to first beam by the hanging oil cylinder;
Being biased to limiting mechanism by the wirerope drives the wedge joint deviation to be moved to wedge joint described in locking The accommodating cavity side wall of the length of cable of first side, and the movement limitation of the length of cable of described wedge joint second side is released, with That realizes wirerope spits rope;
Into rope operating condition:
Drive second beam that opposite displacement occurs relative to first beam by the hanging oil cylinder;
Being biased to limiting mechanism by the wirerope drives the wedge joint deviation to be moved to wedge joint described in locking The accommodating cavity side wall of the length of cable of second side, and the movement limitation of the length of cable of first side of wedge joint is released, with Realize wirerope into rope.
Further, the steel-cable suspensioning device further includes support arm and connector position-limit mechanism, first beam, described At least partly 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 further include:
In the case where spitting rope operating condition, by operating the connector position-limit mechanism so that the suspension joint and the support arm it Between formed movement restriction state;
Into under rope operating condition, by operating the connector position-limit mechanism so that the suspension joint and the support arm it Between formed movement restriction release state.
Further, the connector position-limit mechanism includes be separately positioned on the support arm and the suspension joint The operation of one pin hole and the second pin hole, the connector position-limit mechanism specifically includes:
In first pin hole and second pin hole insertion spacer pin to realize the movement restriction state;
Spacer pin is extracted in first pin hole and second pin hole to realize the movement restriction release state.
Further, it is connected between first beam and second beam by screw rod, is equipped with and adjusts on the screw rod Nut;The control method further include:
Before realizing wirerope tune rope by hanging oil cylinder driving the second beam movement, the adjusting is adjusted Nut, so that being capable of relative motion between first beam and second beam;
After wirerope tune rope, the adjusting nut is adjusted, so as to tie up between first beam and second beam Hold relatively fixed position relationship.
Further, the two sides oil pocket of piston is equipped with hydraulic fluid port in the hanging oil cylinder;The control method further include:
Before realizing wirerope tune rope by hanging oil cylinder driving the second beam movement, by the suspension oil The hydraulic fluid port of cylinder connects pressure oil-source, so that hanging oil cylinder elongation pushes second beam relative to first beam to leaning on Close direction movement, or shorten the hanging oil cylinder to pull second beam relative to first beam to separate direction Movement.
Based on the above-mentioned technical proposal, the second beam is biased to limit by the present invention relative to the motion process and wirerope of the first beam Mechanism connects the driving effect of wedge joint, is subjected to displacement relative to the first beam to different motion direction 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 movement of the length of cable of locking side limits, To enable to spue or extract relative to the first beam by the wirerope of the second beam, so that operator is in operation second Beam can complete the adjustment of wirerope relative to the movement of the first beam, simplify the tune rope process of wirerope.Steel through the invention Cord suspension arrangement has and is not only not necessarily to dismantle wedge joint when adjusting rope demand, does not also need equipment of restricting using dedicated tune, therefore It can improve with save the cost and adjust rope efficiency.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of an embodiment of steel-cable suspensioning device of the present invention.
Fig. 2 is the structural schematic diagram in the direction B in Fig. 1 embodiment.
Fig. 3 is the diagrammatic cross-section of Section A-A in Fig. 1 embodiment.
Fig. 4 is diagrammatic cross-section of Fig. 1 embodiment by the fixed support arm of spacer pin and the Section A-A of suspension joint.
Fig. 5 is the enlarged diagram in the region F 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 diagrammatic cross-section in the section D-D of the first beam dependency structure in Fig. 6.
Fig. 8 is the diagrammatic cross-section in the section C-C of the first beam dependency structure in Fig. 6.
Fig. 9 is the structural schematic diagram of the multirope friction winder with multiple steel-cable suspensioning devices of the present invention.
Specific embodiment
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
As shown in Figure 1, the structural schematic diagram of the embodiment for steel-cable suspensioning device of the present invention.In conjunction with Fig. 2-5, this reality Applying the steel-cable suspensioning device in example includes: the first beam 6, the second beam 9, hanging oil cylinder 14 and suspension joint 15.First beam 6 and Two beams 9 across wirerope 1, and to wirerope 1 for being fixed.The both ends of hanging oil cylinder 14 respectively with the second beam 9 and suspension Connector 15 connects.
When installing wirerope 1, wirerope 1 can be made successively to pass through from the first beam 6 and the second beam 9, then it is reversed successively from Second beam 9 and the first beam 6 are pierced by.It can be connected by screw rod 7 between first beam 6 and the second beam 9, be equipped on screw rod 7 and adjust spiral shell Mother 16, can adjust and fix the relative position between the first beam 6 and the second beam 9.Hanging oil cylinder 14 is connected to the second beam 9 and hangs It between hanging joint 15, can directly be connect with the second beam 9, other intermediate members (such as Fig. 1 latus inframedium 10 etc.) can also be passed through It is indirectly connected with.The piston rod 12 of hanging oil cylinder 14 can be connect by earrings 11 and pin shaft 23 with suspension joint 15.Suspension joint 15 Hoisting container 30 (referring to Fig. 9) can be connected by pin shaft 20, hoisting container 30 is the promotion carriage body for promoting people or article.Suspension The two sides oil pocket of piston 13 is equipped with hydraulic fluid port in oil cylinder 14, can carry out wirerope 1 tune rop exercise as when connect pressure oil-source, So that 14 overall elongated of hanging oil cylinder pushes the second beam 9 to move relative to the first beam 6 to close direction, or make hanging oil cylinder 14 whole shortenings are to pull the second beam 9 to move relative to the first beam 6 to separate direction.
In the present embodiment, steel-cable suspensioning device further includes that wedge joint 8 and wirerope are biased to limiting mechanism.Wherein, Wedge joint 8 is arranged in the accommodating cavity set in the second beam 9, and wirerope 1 passes through the accommodating cavity simultaneously when passing twice through the second beam 9 Around wedge joint 8.Wirerope is biased to limiting mechanism and is arranged between wedge joint 8 and the second beam 9, can be in 9 phase of the second beam When the displacement of preset direction occurs for the first beam 6, the length of cable of itself side of 8 locking of wedge joint is driven, and is released another The movement of the length of cable of side limits.
That is, the motion process and wirerope by the second beam in the present embodiment relative to the first beam are biased to limiting mechanism 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 movement of the length of cable of locking side limits, to make It can spue or extract relative to the first beam by the wirerope of the second beam.This makes it possible to make operator operate second The adjustment of wirerope can be completed when movement of the beam relative to the first beam, simplify the tune rope process of wirerope.Compared to existing Wirerope tune rope mode, the present embodiment can need not dismantle wedge joint when having and adjusting rope demand, also not need using dedicated Tune rope equipment, therefore can save the cost, improve adjust rope efficiency.
In Fig. 3, wirerope is biased to limiting mechanism can drive when the second beam 9 occurs to be displaced in opposite directions relative to the first beam 6 Dynamic wedge joint 8 is biased to be moved to the accommodating of the length of cable of 8 first side of locking wedge joint (8 left side of wedge joint in Fig. 3) Chamber side wall, and release the movement limitation of the length of cable of 8 second side of wedge joint (8 right side of wedge joint in Fig. 3).At this point, by Length of cable in the first side is moved by limitation, therefore when the second beam 9 moves upwards, and the length of cable of first side can be upward It spues from the first beam 6, that realizes wirerope 1 spits rope process.
Wirerope is biased to limiting mechanism can drive wedge shape to connect when the second beam 9 occurs to be displaced on the contrary relative to the first beam 6 First 8 are biased to be moved to the accommodating cavity side wall of the length of cable of 8 second side of locking wedge joint, and release 8 first side of wedge joint Length of cable movement limitation.At this point, the length of cable due to second side is moved by limitation, when the second beam 9 is transported downwards When dynamic, the wirerope of the second side can be downwardly drawn out, realize wirerope 1 into rope process.
Second beam is biased to limiting mechanism to the driving effect of wedge joint relative to the motion process and wirerope of the first beam Between (such as passing through automatically controlled linked manner, timing linked manner or mechanical linkage mode etc.) can be joined by various modes System.For example, motion process of second beam relative to the first beam can be detected by setting sensor, and passes to control Device.Controller can control the steel that wirerope is biased to limiting mechanism driving wedge joint locking itself not ipsilateral according to transducing signal Cord section, and solve unless the movement of the length of cable of locking side limits.It in another example, can also be using controller simultaneously Control the timing linkage control that movement and wirerope of second beam relative to the first beam are biased to limiting mechanism to the driving of wedge joint System.
Shown in Fig. 5 is then a kind of realization example of mechanical linkage mode.Wherein, the second beam can pass through machinery during exercise The mode of transmission drives wirerope to be biased to limiting mechanism, to drive the length of cable of wedge joint locking itself not ipsilateral, and Solution is unless the movement of the length of cable of locking side limits.Specifically, side plate 10 is equipped on the second beam 9, the second beam 9 passes through side Plate 10 is connect with hanging oil cylinder 14, and side plate 10 can move in the vertical direction relative to the second beam 9.Wirerope is biased to limit Mechanism processed specifically includes: the first locking top arm 17, the second locking top arm 18 and push-and-pull component 19, the first locking top arm 17 are located at the It cuts with scissors one end of the top of two locking top arms 18 and push-and-pull component 19, one end of the first locking top arm 17 and the second locking top arm 18 It connects on the second beam 9, side plate 10, wedge joint 8 and the second beam 9 form revolute pair by hinged shaft and the first locking top arm 17, push away The other end of one end and the second locking top arm 18 for drawing component 19 is rotatablely connected, the other end and side plate 10, wedge joint 8 and second Beam 9 forms prismatic pair and revolute pair.
When side plate 10 is pushed up by hanging oil cylinder 14, side plate 10 can push the second rotation counterclockwise of locking top arm 18 Turn, while pushing and pulling component 19 and rotating clockwise, and to the right by the top of wedge joint 8, until by the wirerope on 8 right side of wedge joint Section compresses, 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 wedge joint 8 simultaneously then by Loosen, can be moved relative to the second beam 9.With moving upwards for side plate 10, it also will drive the second beam 9 and move upwards.Second Beam 9 will drive the length of cable being compacted and spue upwards from the first beam 6, and remaining rope stretching sliding of first beam 6 into rope side simultaneously To the downside of the second beam 9, to complete to spit rope process.
After spitting rope, 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 rotates clockwise, while pushing and pulling component 19 and rotating counterclockwise, so that 8 right side length of cable of wedge joint be made to be put Pine.Side plate 10, which moves downward, will drive the first locking top arm 17 and rotates clockwise, until by the length of cable in 8 left side of wedge joint It compresses, prevents the length of cable in left side from moving relative to the second beam 9.With moving downward for side plate 10, second also will drive Beam 9 moves downward, and the length of cable being clamped on the left of wedge joint at this time 8 can be with the second beam 9 together downwards, and from the first beam One section of wirerope is extracted in 6, the first beam 6 is spat this section rope that the remaining rope out in rope side is then pulled out into and replaced, and pastes with wedge joint 8 Tightly, to complete into rope process.
In order to enable wedge joint 8 accurately and effectively to realize the effect to wirerope 1 during above-mentioned tune rope, wedge shape Connector 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.Accommodating The Internal periphery of chamber can be wedge shaped, and matches with the joint body side of wedge joint 8.The side and bottom surface of joint body are all provided with Have rope groove, can be accommodated jointly with the Internal periphery of accommodating cavity across wirerope 1.Wedge joint 8 can be relative to accommodating cavity side It to movement and moves up and down, with the lateral movement of wedge joint 8, the wirerope 1 of 8 side of wedge joint can be compacted or put Pine.
In order to ensure being not in slippery conditions between steel-cable suspensioning device and wirerope 1, can be equipped in the first beam 6 Wirerope slfactuating latch can realize automatically lock into restricting and/or spitting rope relative to first beam 6 to wirerope 1.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.Referring to figs. 7 and 8 Two diagrammatic cross-sections, wirerope slfactuating latch include into rope wedged hole 31 and spit rope wedged hole 32, into rope wedged hole 31 With spit rope wedged hole 32 in be respectively equipped with into rope wedge block 24 and spit rope wedge block 5.Wirerope 1 is worn from into rope wedged hole 31 Out, it after the wedge joint 8 in the second beam of pile warp 9, penetrates and spits rope wedged hole 32.Into rope wedge block 24 and spit the rope difference of wedge block 5 Automatically lock is realized to the wirerope 1 that penetrates, into rope wedged hole 31 and spit rope wedged hole 32 the tapered direction of cross sectional dimensions and Penetrating for wirerope 1 is contrary.
In normal work, there is the trend that is drawn out relative to the first beam 6 in wirerope 1, and into rope 24 He of wedge block Into under the action of rope wedged hole 31, wirerope 1 is more pulled out outward, then clamping steel wire rope 1 will be got over into rope wedge block 24, to it Apply bigger pressure, forms bigger frictional force, so that wirerope 1 is avoided up to be pulled out, on the contrary wirerope 1 can be smooth Ground is entered to be formed by gap into rope wedge block 24.Therefore the safeguard construction of wirerope only import but no export is formd.Similarly, steel The end of cord 1 via the second beam 9 extend into the first beam 6 spit rope wedged hole 32 in, and by spit rope wedge block 5 realize locking Effect.When wirerope 1 is pulled outward, spitting rope wedge block 5 and spit rope wedged hole 32 can be in clamping steel wire rope 1 under cooperation End avoids the end of wirerope 1 from being drawn in the first beam 6 down.Conversely, wirerope 1 can be relative to the first beam 6 successfully It spues upwards.Therefore the safeguard construction of wirerope only export but no import is formd.
It by this wirerope slfactuating latch, can not only ensure the safety of steel wire hang, avoid wirerope phase Skidding for steel-cable suspensioning device can also cooperate wedge joint 8 and wirerope to be biased to limiting mechanism and realize wirerope Rope function is adjusted, therefore improves the systematicness of whole device, dependable with function.
It is preferably placed at the center position of the first beam 6 into rope wedged hole 31, to ensure wirerope and steel-cable suspensioning device Tension balanced.Into rope wedged hole 31 and is spitting the wirerope of rope wedged hole 32 and wear inlet and further respectively have the first disc spring 4 and the Two disc springs 22.One end of first disc spring 4 can be fixed on the smaller size section into rope wedge block 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 smaller size section for spitting rope wedge block 5, and the other end is held out against first The lower surface of beam 6.The main function of first disc spring 4 and the second disc spring 22 is the locking steel wire in lifting system accidental conditions Rope, and adjust rope process rope inlet unidirectionally into restrict and spit rope mouth unidirectionally spit rope in play the role of wirerope 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 partly structure setting in suspension joint 15 in the inner space of support arm 2, between support arm 2 and the first beam 6 It is additionally provided with plane bearing 3, a surface of plane bearing 3 and support arm 2 are fixed, and another surface and the first beam 6 are fixed.First beam 6 The release for the torsional moment that the plane bearing of upper setting can realize wirerope 1 as wirerope 1 rotates.
In another embodiment, steel-cable suspensioning device can also include connector position-limit mechanism, connector position-limit mechanism energy It is enough to realize suspension joint 15 relative to cutting between the movement restriction state of support arm 2 and movement restriction release state under operation It changes.For example, the connector 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 being inserted into 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 movement restriction cancellation shape State.
The various embodiments described above of steel-cable suspensioning device of the present invention can be applied to the various occasions for needing hanging steel rope, especially It is suitable for multirope friction winders.Therefore it the present invention also provides a kind of multirope friction winder, including hoisting container 30, mentions Rise multiple aforementioned steel-cable suspensioning devices of driving mechanism, a plurality of wirerope 1 and corresponding a plurality of wirerope 1.Promote driving mechanism It 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 passes through oil circuit 28 and is interconnected, and The hydraulic fluid port of each rod chamber is equipped 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 is equipped with control valve 29 in the hydraulic fluid port of each rodless cavity.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 operates normally.In addition, Pressure oil-source can be connected by adjusting the hydraulic fluid port of hanging oil cylinder during restricting.Pressure oil-source can be hydraulic power unit, accumulator or other liquid Pressure oil road.
Based on the embodiment of above-mentioned each steel-cable suspensioning device, the present invention also provides control methods, this method comprises:
Spit rope operating condition:
The second beam 9 is driven to occur to be displaced in opposite directions relative to the first beam 6 by hanging oil cylinder 14;
Being biased to limiting mechanism by wirerope drives wedge joint 8 to be biased to be moved to the steel of 8 first side of locking wedge joint The accommodating cavity side wall of cord section, and the movement limitation of the length of cable of 8 second side of wedge joint is released, to realize wirerope 1 Spit rope;
Into rope operating condition:
The second beam 9 is driven to occur to be displaced on the contrary relative to the first beam 6 by hanging oil cylinder 14;
Being biased to limiting mechanism by wirerope drives wedge joint 8 to be biased to be moved to the steel of 8 second side of locking wedge joint The accommodating cavity side wall of cord section, and the movement limitation of the length of cable of 8 first side of wedge joint is released, to realize wirerope 1 Into rope.
In one embodiment of steel-cable suspensioning device, steel-cable suspensioning device further includes support arm 2 and connector limit Mechanism, at least partly 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 further include: in the case where spitting rope operating condition, by operating connector position-limit mechanism, so that suspension joint Movement restriction state is formed between 15 and support arm 2;Into restricting under operating condition, by operating connector position-limit mechanism, connect so as to hang Movement restriction release state is formed between first 15 and support arm 2.
In another embodiment of steel-cable suspensioning device, the connector 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 connector position restrainer The operation of structure specifically includes: in the first pin hole 25 and the second pin hole 26 insertion spacer pin 21 to realize movement restriction state; Spacer pin 21 is extracted in the first pin hole 25 and the second pin hole 26 to realize movement restriction release state.
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, on screw rod 7 be equipped with adjusting nut 16;Corresponding control method further include: passing through suspension oil Cylinder 14 drives the movement of the second beam 9 come before realizing wirerope tune rope, by the adjusting nut between the first beam 6 and the second beam 9 on the lower 16 are screwed to close to the side of the first beam 6, so that being capable of relative motion between the first beam 6 and the second beam 9;It is finished in wirerope tune rope Afterwards, which is screwed to close to the side of the second beam 9, so as to remain relatively-stationary between the first beam 6 and the second beam 9 Positional relationship.
In another embodiment of steel-cable suspensioning device, the two sides oil pocket of piston 13 can be equipped in hanging oil cylinder 14 Hydraulic fluid port;Control method further include: before realizing wirerope tune rope by the second beam 9 of the driving movement of hanging oil cylinder 14, will hang The hydraulic fluid port for hanging oil cylinder 14 connects pressure oil-source, so that the elongation of hanging oil cylinder 14 pushes the second beam 9 relative to the first beam 6 to close Direction movement, or make hanging oil cylinder 14 shorten to pull the second beam 9 to move relative to the first beam 6 to separate direction.
Below with reference to the normal use process to steel-cable suspensioning device of steel-cable suspensioning device structure shown in Fig. 1-4 It is described in detail with tune rope process.
When steel-cable suspensioning device is in accidental conditions, wirerope 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 passes through oil circuit 28 and is respectively communicated with, and rodless cavity passes through another oil circuit 28 and is respectively communicated with.Control on rod chamber hydraulic fluid port Valve 29 is fully open, realizes oil pressure balance between each cylinder rod chamber, to realize that steel wire rope tension balances.
Be arranged in first beam 6 two reversed into rope wedge block 24 and to spit rope wedge block 5 and completes the automatic of wirerope 1 Locking.By the way that multiple adjusting nuts 16 are tightened to the position close to the first beam 6 and the second beam 9 respectively, the first beam 6 and the at this time There is no relative motion between two beams 9.
When needing to carry out wirerope to adjust rope, what spacer pin 21 can be inserted on support arm 2 by operator first is inserted The second pin hole 26 on pin 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 lower surface, the first beam 6 and the second beam 9 of wirerope 1 and plane bearing 4 It is relatively fixed.Then, the adjusting nut 16 between the first beam 6 and the second beam 9 on the lower is screwed to close to 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 dismantled, and is connected respectively with A, B of pressure oil-source mouth.
By pressure oil-source to the rod chamber emptying of 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 component 19 To drive wedge joint 8 to hold out against the length of cable in 8 left side of wedge joint.Side plate 10 drives the second beam 9 to move upwards, wirerope 1 It spues 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 wirerope 1 Spit rope process.
After rope is spat in completion, pressure oil-source can make the rod chamber oiling of hanging oil cylinder 14, rodless cavity unloads by the valve action that commutates Oil drives side plate 10 to move down so that piston rod 12 be made to bounce back downwards.Side plate 10 is locked by the first locking top arm 17, second Only top arm 18 drives wedge joint 8 to hold out against the length of cable on the right side of wedge joint 8 with push-and-pull component 19.Side plate 10 drives second Beam 9 moves downward, and wirerope 1 is downwardly drawn out from the first beam 6.Spit one section of rope replacement that the remaining rope out of rope is pulled out into and and wedge Shape connector 8 is adjacent to, thus realize wirerope 1 into rope process.
It is above to complete to adjust a circulation during rope, the tune rope process of multiple achievable certain lengths of circulation.It completes to adjust After rope task, which is screwed to close to the side of the second beam 9, by pressure oil-source and the hydraulic fluid port of hanging oil cylinder 14 point From, and the oil circuit 28 between hanging oil cylinder 14 is connected again, then extracts the spacer pin that suspension joint 15 and support arm 2 is fixed 21, steel-cable suspensioning device can be allowed to be restored to normal operating conditions.
The wirerope for being biased to limiting mechanism including wedge joint, wirerope slfactuating latch, wirerope for the present invention is outstanding For hang device embodiment, which realizes wirerope locking by wirerope slfactuating latch;In lifting system operational process In, wirerope dynamic tension balance is realized by the way that multiple hanging oil cylinders fluid pressure line to be connected to;Meanwhile by plane bearing and turning Dynamic secondary release wirerope torsional moment;During maintenance, if you need to spit rope, it is by the pressure oil-sources such as oil cylinder and hydraulic power unit and control System connection drives wirerope to be biased to limiting mechanism and moves and cooperate wedge joint and wirerope slfactuating latch to realize by oil cylinder Rope is spat online, without adding dedicated lock rope and adjusting rope device again.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof;To the greatest extent The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced;Without departing from this hair The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.

Claims (20)

1. a kind of steel-cable suspensioning device, comprising: the first beam (6), the second beam (9), hanging oil cylinder (14) and for connect promoted The suspension joint (15) of container (30), first beam (6) and second beam (9) are used for across wirerope (1), and to steel wire Rope (1) be fixed, one end of the hanging oil cylinder (14) is connect with second beam (9), the hanging oil cylinder (14) it is another One end is connect with the suspension joint (15);It is characterized in that, further include that wedge joint (8) and wirerope are biased to limiting mechanism, In the accommodating cavity that wedge joint (8) setting is set in second beam (9), the wirerope is biased to limiting mechanism setting and exists Between the wedge joint (8) and second beam (9), it can occur in second beam (9) relative to first beam (6) When the displacement of preset direction, the length of cable of the wedge joint (8) locking itself side is driven, and releases the steel wire of the other side The movement of rope section limits.
2. steel-cable suspensioning device according to claim 1, which is characterized in that the wirerope is biased to limiting mechanism can When relative to first beam (6) opposite displacement occurs for second beam (9), the wedge joint (8) is driven to be biased to movement To the accommodating cavity side wall of the length of cable of (8) first side of wedge joint described in locking, and release the wedge joint (8) second side Length of cable movement limitation, and when relative to first beam (6) opposite displacement occurs for second beam (9), drive The wedge joint (8) are moved to be biased to be moved to the accommodating cavity side wall of the length of cable of wedge joint described in locking (8) second side, and Release the movement limitation of the length of cable of (8) first side of wedge joint.
3. steel-cable suspensioning device according to claim 2, which is characterized in that be equipped with side plate on second beam (9) (10), second beam is connect by the side plate with the hanging oil cylinder, and the wirerope is biased to limiting mechanism and is specifically included: First locking top arm (17), the second locking top arm (18) and push-and-pull component (19), the first locking top arm (17) are located at second The top of locking top arm (18) and push-and-pull component (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) realized by hinged shaft and the first locking top arm (17) and is rotatablely connected, one end of push-and-pull component (19) with it is described The other end of second locking top arm (18) forms revolute pair, the other end of push-and-pull component (19) and the side plate (10), institute State wedge joint (8) and second beam (9) composition prismatic pair and revolute pair.
4. steel-cable suspensioning device according to claim 1, which is characterized in that the wedge joint (8) includes that side is in The joint body of wedge shape, the sectional dimension of the joint body become larger from up to down, 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 be displaced sideways and on move down Dynamic, the side and bottom surface of the joint body are equipped with rope groove, can be accommodated jointly with the Internal periphery of the accommodating cavity across Wirerope (1).
5. steel-cable suspensioning device according to claim 1, which is characterized in that be equipped with steel wire in first beam (6) Rope slfactuating latch under lifting system accidental conditions and can be adjusted under rope operating condition to the wirerope (1) relative to institute State the first beam (6) into restrict and/or spit rope realize automatically lock.
6. steel-cable suspensioning device according to claim 5, which is characterized in that the wirerope slfactuating latch include into Rope wedged hole (32) is restricted wedged hole (31) and spat, is set respectively into rope wedged hole (31) with described spit in rope wedged hole (32) described Have into rope wedge block (24) and spit rope wedge block (5), the wirerope (1) from it is described into restrict wedged hole (31) in be pierced by, pile warp After wedge joint (8) in second beam (9), penetrates described spit and restrict wedged hole (32), it is described into rope wedge block (24) and institute It states and spits rope wedge block (5) automatically lock is realized to the wirerope (1) that penetrates respectively, it is described wedged hole (31) and described into restricting The tapered direction of cross sectional dimensions for spitting rope wedged hole (32) is contrary with penetrating for the wirerope (1).
7. steel-cable suspensioning device according to claim 6, which is characterized in that in the steel wire into rope wedged hole (31) Rope passes inlet and is equipped with the first disc spring (4), wears inlet equipped with the second disc spring in the wirerope for spitting rope wedged hole (32) (22)。
8. steel-cable suspensioning device according to claim 6, which is characterized in that it is described be located at into rope wedged hole (31) it is described The center position of first beam (6).
9. steel-cable suspensioning device according to claim 1, which is characterized in that further include support arm (2), first beam (6), at least partly structure setting in second beam (9), the hanging oil cylinder (14) and the suspension joint (15) is in institute In the inner space for stating support arm (2), plane bearing (3) are additionally provided between the support arm (2) and first beam (6), A surface and the support arm (2) for the plane bearing (3) is fixed, and another surface and first beam (6) are fixed.
10. steel-cable suspensioning device according to claim 1, which is characterized in that further include support arm (2) and connector limit 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 connector position-limit mechanism can be realized described outstanding under operation Hanging joint (15) is relative to the switching between the movement restriction state and movement restriction release state of the support arm (2).
11. steel-cable suspensioning device according to claim 10, which is characterized in that the connector position-limit mechanism includes setting In the first pin hole (25) on the support arm (2) and the second pin hole (26) on the suspension joint (15) is set, By being inserted into spacer pin (21) in first pin hole (25) and second pin hole (26) to realize the movement limitation State, by extracting spacer pin (21) in first pin hole (25) and second pin hole (26) to realize the movement Restriction release state.
12. steel-cable suspensioning device according to claim 1, which is characterized in that first beam (6) and second beam (9) it is connected between by screw rod (7), is equipped with adjusting nut (16) on the screw rod (7), can adjust and fix described first Relative position between beam (6) and second beam (9).
13. steel-cable suspensioning device according to claim 1, which is characterized in that piston in the hanging oil cylinder (14) (13) two sides oil pocket is equipped with hydraulic fluid port, can the tune rop exercise for carrying out the wirerope (1) as when connect pressure oil-source so that The hanging oil cylinder (14) extends to push second beam (9) to move relative to first beam (6) to close direction, or Shorten the hanging oil cylinder (14) to pull second beam (9) to move relative to first beam (6) to separate direction.
14. a kind of multirope friction winder, including hoisting container (30), promotion driving mechanism and a plurality of wirerope (1), feature It is, further includes any steel-cable suspensioning device of multiple claims 1~13 of the corresponding a plurality of wirerope (1).
15. multirope friction winder according to claim 14, which is characterized in that each steel-cable suspensioning device Hydraulic fluid port on rod chamber passes through oil circuit (28) and is interconnected, and is equipped with control valve (29) in the hydraulic fluid port of each rod chamber, 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 equipped with control valve (29).
16. a kind of control method based on any steel-cable suspensioning device of claim 1~13, which is characterized in that packet It includes:
Spit rope operating condition:
Drive second beam (9) that opposite displacement occurs relative to first beam (6) by the hanging oil cylinder (14);
Being biased to limiting mechanism by the wirerope drives the wedge joint (8) to be biased 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 movement limit of the length of cable of the wedge joint (8) second side System spits rope with realize wirerope (1);
Into rope operating condition:
Drive second beam (9) that opposite displacement occurs relative to first beam (6) by the hanging oil cylinder (14);
Being biased to limiting mechanism by the wirerope drives the wedge joint (8) to be biased to be moved to wedge joint described in locking (8) the accommodating cavity side wall of the length of cable of second side, and release the movement limit of the length of cable of (8) first side of wedge joint System, with realize wirerope (1) into rope.
17. control method according to claim 16, which is characterized in that the steel-cable suspensioning device further includes support arm (2) and connector position-limit mechanism, first beam (6), second beam (9), the hanging oil cylinder (14) and the suspension joint (15) at least partly structure setting in is in the inner space of the support arm (2), the control method further include:
In the case where spitting rope operating condition, by operating the connector position-limit mechanism, so that the suspension joint (15) and the support arm (2) Between formed movement restriction state;
Into under rope operating condition, by operating the connector position-limit mechanism, so that the suspension joint (15) and the support arm (2) Between formed movement restriction release state.
18. control method according to claim 17, which is characterized in that the connector position-limit mechanism includes being arranged described The second pin hole (26) of the first pin hole (25) and setting on the suspension joint (15) on support arm (2), it is described to connect The operation of head position-limit mechanism specifically includes:
In first pin hole (25) and second pin hole (26) insertion spacer pin (21) to realize the movement limitation State;
Spacer pin (21) are extracted in first pin hole (25) and second pin hole (26) to realize the movement limitation Releasing state.
19. control method according to claim 16, which is characterized in that first beam (6) and second beam (9) it Between by screw rod (7) connect, on the screw rod (7) be equipped with adjusting nut (16);The control method further include:
Before realizing wirerope tune rope by the hanging oil cylinder (14) driving the second beam (9) movement, described in adjustment Adjusting nut (16), so that being capable of relative motion between first beam (6) and second beam (9);
After wirerope tune rope, the adjusting nut (16) are adjusted, so that first beam (6) and second beam (9) Between maintain relatively fixed position relationship.
20. control method according to claim 16, which is characterized 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 further include:
It, will be described outstanding before realizing wirerope tune rope by the hanging oil cylinder (14) driving the second beam (9) movement The hydraulic fluid port for hanging oil cylinder (14) connects pressure oil-source, so that the hanging oil cylinder (14) extends to push second beam (9) opposite It is moved in first beam (6) to close direction, or shortens the hanging oil cylinder (14) to pull the second beam (9) phase First beam (6) is moved to separate direction.
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