CN103922210A - Electric steel wire rope balancing device and lifting method for vertical full-balance steel wire rope hoisting winch - Google Patents
Electric steel wire rope balancing device and lifting method for vertical full-balance steel wire rope hoisting winch Download PDFInfo
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- CN103922210A CN103922210A CN201410149686.0A CN201410149686A CN103922210A CN 103922210 A CN103922210 A CN 103922210A CN 201410149686 A CN201410149686 A CN 201410149686A CN 103922210 A CN103922210 A CN 103922210A
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Abstract
The invention discloses an electric steel wire rope balancing device and a lifting method for a vertical full-balance steel wire rope hoisting winch. The vertical full-balance steel wire rope hoisting winch comprises winch equipment and hoisting steel wire ropes, and one end of each hoisting steel wire rope is wound on the winch equipment while the other end of each hoisting steel wire rope is connected with a to-be-hoisted article. Two disconnected steel wire ropes can be connected to form one hoisting steel wire rope by the electric steel wire rope balancing device, the electric steel wire rope balancing device can be started for pre-pressurizing the hoisting steel wire ropes, pre-stress of each hoisting steel wire rope is adjusted to balance stress of each hoisting steel wire rope by measuring stress conditions of the pre-stressed hoisting steel wire ropes. The electric steel wire rope balancing device and the lifting method for the vertical full-balance steel wire rope hoisting winch have the advantages of simple structure, convenience in maintenance, reliability in performance and capability of hoisting articles more than 4000 tons.
Description
Technical field
The invention belongs to the stressed technology of motor reducer driven equilibrium steel cable, for steel cable elevator, vertically rise the method for heavy objects.
Background technology
Balance when vertical-lift surpasses its lifting of object more than a kiloton is very rambunctious, the vertical-lift ship machine of take is example, general full balance rope elevator vertical ship lift utilizes elevator as lifting means, the compositions such as winch motor, high pulling torque drop-gear box and reel.On reel, be wound with hoisting cable, steel rope one end is connected with ship reception chamber, and the other end is connected with counterbalanced weight.In ship lift lifting process, due to many factors such as the diameter of reel and steel rope, out of roundness deviations, do not cause between each hoisting cable length not etc., discontinuity equalization, can not guarantee the levelness in ship case lifting process, and then jeopardize the normal operation of ship lift, even lead to a disaster.In order to address this problem, the equalizer mostly adopting is at present that hydraulic electric motor drives, and sets up the stressed of the balanced steel rope of hydraulic ram exactly between hoisting cable and ship case.Its action principle is: at ship lift, promote the starting stage, hoisting cable is stressed on the same group larger difference, but under the regulating action of hydraulic ram, steel rope force difference reduces gradually.Therefore,, under hydraulic actuating cylinder group passive (Hydraulic Pump does not provide oil) situation, hydraulic efficiency pressure system can play the stressed effect of balanced steel rope automatically.When hoisting cable is stressed while being greater than other steel ropes, the hydraulic cylinder works cavity pressure being connected with this hoisting rope increases, cause fluid to flow to other hydraulic actuating cylinders by damping, make to move on its hydraulic cylinder piston, the stressed minimizing of this steel rope, and cause the hydraulic cylinder piston being communicated with it to move down this steel rope of tension, thereby play the stressed effect of balanced steel rope.Although hydraulic balance system application is very extensive, but still there is following many weak points: ship lift hydraulic pressure equalization subsystem is first-order feedback system, in modeling pattern, there is greatest differences with second order structure subsystems such as mechanical liftings, cannot ask its dynamic response; Under the impact of external environment, hydraulic fluid temperature changes, and can drive stability to have impact; Leakage of oil or oil are received pollution, need to carry out maintenance work, and maintenance work is comparatively complicated, needs technical professional.
Summary of the invention
The object of the invention is to, a kind of simple in structure, convenient for maintaining is provided, the electronic equalizer of reliable full balance rope elevator vertical elevator steel rope, and use the method for the electronic equalizer lifting of steel rope.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of electronic equalizer of steel rope that applies to full balance rope elevator vertical elevator, the vertical liter of full balance rope elevator is carried machine and is comprised hoisting equipment, hoisting cable, hoisting cable one end connects and promotes thing around hoisting equipment, the other end, the electronic equalizer of steel rope is connected to a hoisting cable by the two joint steel ropes that disconnect, and electronic equalizer comprises fixedly tapered sleeve, pipe link, housing, actuating device, screw rod, the retarder electrical motor of hoisting cable;
Described housing comprises the first circular support, the second circular support, cabinet, the first circular support, the second circular support connects by cabinet, the first circular support, cabinet, the inside of the second circular support forms the cavity of a relative closure, tapered sleeve is connected with the first circular support outer wall by pipe link, screw rod penetrates cavity from the second circular support outer wall, screw rod is connected with the second circular support inner thread, actuating device is located in the cavity of cabinet inside, and be enclosed within on screw rod, actuating device is connected with screw rod screw, retarder electrical motor is fixed on the second circular support outer wall, the power take-off shaft of retarder electrical motor and actuating device mechanical connection,
Hoisting cable can be connected to tapered sleeve and connect, and also can be connected on screw rod;
Retarder motor rotates by power take-off shaft driver, and actuating device rotates and makes screw rod with respect to actuating device linear slide.
Preferably scheme comprises, power take-off shaft comprises coupler, Drive pinion, and coupler one end is connected with retarder electrical machinery, the other end is fixedly connected with Drive pinion;
Described actuating device is nut big gear wheel, Drive pinion and the engagement of nut big gear wheel.
Another preferred scheme comprises, power take-off shaft comprises coupler, worm screw, and coupler one end is connected with retarder electrical machinery, the other end is fixedly connected with worm screw;
Described actuating device is worm gear, and worm gear matches with worm screw.
A kind of method for improving that uses the electronic equalizer of the full balance rope elevator of right vertical elevator steel rope comprises in advance afterburning step, hangs force balance step;
Described afterburning step in advance makes screw rod slide with respect to worm gear or nut big gear wheel for starting retarder electrical motor, adjusting screw(rod) is in the length of the second circular support outside, the hoisting cable that makes to connect electronic equalizer is stressed in advance, and stress value is not more than and promotes 70% of steel wire limit stress value in advance;
The described force balance step of hanging is for to be subject to force detector to measure respectively every hoisting cable stress value by steel rope, according to every hoisting cable stress value, start respectively retarder electrical motor, by increasing stressed or reducing and stressed every hoisting cable stress value is equated.
Further, hang force balance step bag and also comprise calculation procedure, described calculation procedure comprises collects described hoisting cable stress value, calculate average force value D, the hoisting cable that is greater than average force value is classified as to category-A, to be less than the category-B that is classified as of average force value, to category-A, need to reduce stressedly, to category-B, need to increase stressed.
All right, in category-A, maxim stress value AMAX is greater than average force value D15%, to category-A, need to reduce stressed, the category-B that stress value is equal to or less than to average force value need to increase stressed, and the value of double counting average force again D1, the hoisting cable that is greater than average force value is classified as to A1 class, by what be less than average force value, be classified as B1 class, to A1 class, need to reduce stressedly, to B1 class, need to increase stressed.
The invention has the advantages that, by the electronic equalizer that screw rod is coordinated with retarder electrical motor, control the length of screw rod outside housing, length value by accurate adjusting screw(rod) outside housing is (generally between 0-355mm, consider that the deformation values of steel rope is on adding in advance stressed impact) realize hoisting cable is applied to controollable prestressed, conveniently hoisting cable is carried out to force bearing adjustment, make the stressed relatively even of every hoisting cable, realized the vertical-lift of full balance rope elevator, compare hydraulic pressure equalizer, structure is more reliable, period of service is longer, keep in repair more convenient, hoisting weight higher (more than can reaching five kilotons).
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Accompanying drawing 1 is the electronic equalizer of the first embodiment of the present invention.
Accompanying drawing 2 is electronic equalizers of the second embodiment of the present invention.
Accompanying drawing 3 is hoisting methods of utilization first of the present invention or the electronic equalizer of the second embodiment.
Accompanying drawing 4 is electric control system schematic diagrams of realizing hoisting method of the present invention.
In figure: tapered sleeve 1, pipe link 2, flange 3, the first circular support 4, nut big gear wheel 5, cabinet 6, screw rod 7, the second circular support 8, hang 10, retarder electrical motor 11, coupler 12, Drive pinion 13.
The specific embodiment
As Fig. 1, a kind of electronic equalizer of steel rope that applies to full balance rope elevator vertical elevator, the vertical liter of full balance rope elevator is carried machine and is comprised hoisting equipment, hoisting cable, hoisting cable one end connects and promotes thing around hoisting equipment, the other end, the electronic equalizer of steel rope is connected to a hoisting cable by the two joint steel ropes that disconnect, electronic equalizer comprise fixing hoisting cable tapered sleeve 1, pipe link 2, housing, actuating device, screw rod 7, retarder electrical motor 11;
Housing comprises the first circular support 4, the second circular support 8, cabinet 6, the first circular support 4, the second circular support 8 connects by cabinet 6, the first circular support 4, cabinet 6, the inside of the second circular support 8 forms the cavity of a relative closure, tapered sleeve 1 is connected with flange 3 with the first circular support 4 outer walls by pipe link 2, screw rod 7 penetrates cavity from the second circular support 8 outer walls, screw rod 7 is connected with the second circular support 8 inner threads, actuating device is nut big gear wheel 5, nut big gear wheel 5 is located in the cavity of cabinet 6 inside, and be enclosed within on screw rod 7, nut big gear wheel 5 is connected with screw rod 7 screws, retarder electrical motor 11 is fixed on the second circular support 8 outer walls, the power take-off shaft of retarder electrical motor 11 is and nut big gear wheel 5 mechanical connections, power take-off shaft comprises coupler 12, Drive pinion 13, coupler 12 one end and retarder electrical motor 11 mechanical connections, the other end is fixedly connected with Drive pinion 12, Drive pinion 12 and 5 engagements of nut big gear wheel,
A hoisting cable is divided into two joints, and one end of one joint is connected on tapered sleeve, and one end of another joint is connected on screw rod 7 by hanging 10;
During work, the preferred three-in-one motor reducer of retarder motor 11(drives) by coupler 12, drive Drive pinion 12 to rotate, Drive pinion 12 rotating drive nut big gear wheels 5 are rotated, nut big gear wheel 5 is rotated and is made screw rod 7 with respect to nut big gear wheel 5 linear slide, and screw rod 7 linear slide make fixedly to hang 10 screw rod 7 ends and stretch out or be retracted into the cavity in the second circular support 8.
As Fig. 2, a kind of electronic equalizer of steel rope that applies to full balance rope elevator vertical elevator, the vertical liter of full balance rope elevator is carried machine and is comprised hoisting equipment, hoisting cable, hoisting cable one end connects and promotes thing around hoisting equipment, the other end, the electronic equalizer of steel rope is connected to a hoisting cable by the two joint steel ropes that disconnect, electronic equalizer comprise fixing hoisting cable tapered sleeve 1, pipe link 2, housing, actuating device, screw rod 7, retarder electrical motor 11;
Housing comprises the first circular support 4, the second circular support 8, cabinet 6, the first circular support 4, the second circular support 8 connects by cabinet 6, the first circular support 4, cabinet 6, the inside of the second circular support 8 forms the cavity of a relative closure, tapered sleeve 1 is connected with flange 3 with the first circular support 4 outer walls by pipe link 2, screw rod 7 penetrates cavity from the second circular support 8 outer walls, screw rod 7 is connected with the second circular support 8 inner threads, actuating device is worm gear 14, worm gear 14 is located in the cavity of cabinet 6 inside, and be enclosed within on screw rod 7, worm gear 14 is connected with screw rod 7 screws, retarder electrical motor 11 is fixed on the second circular support 8 outer walls, the power take-off shaft of retarder electrical motor 11 is for comprising coupler 12, worm screw 15, coupler 12 one end and retarder electrical motor 11 mechanical connections, the other end and worm screw 15 mechanical connections, worm gear 14 matches with worm screw 15,
A hoisting cable is divided into two joints, and one end of one joint is connected on tapered sleeve, and one end of another joint is connected on screw rod 7 by hanging 10;
During work, the preferred three-in-one motor reducer of retarder motor 11(drives) by coupler 12, drive worm screw 15 and by worm screw 15, worm gear 14 is rotated, worm gear 14 rotates and makes screw rod 7 with respect to worm gear 14 linear slide, and screw rod 7 linear slide make fixedly to hang 10 screw rod 7 ends and stretch out or be retracted into the cavity in the second circular support 8.
As Fig. 3, use the full balance rope elevator vertical elevator method for improving of the electronic equalizer of steel rope, method comprises in advance afterburning step, hangs force balance step;
Described afterburning step in advance makes screw rod 7 with respect to worm gear 14 or nut big gear wheel 5 linear slide for starting retarder electrical motor 11, (cavity that screw rod 7 bounces back to the second circular support 8 increases stressed the length of adjusting screw(rod) 7 in the second circular support 8 outsides, otherwise reduce stressed), the hoisting cable that makes to connect electronic equalizer is stressed in advance, and stress value is not more than and promotes 70% of steel wire limit stress value in advance;
Hang force balance step for to be subject to force detector to measure respectively every hoisting cable stress value by steel rope, calculation procedure comprises collects described hoisting cable stress value, calculate average force value D, the hoisting cable that is greater than average force value is classified as to category-A, the category-B that is classified as of average force value will be less than, to category-A, need to reduce stressed, to category-B, need to increase stressed, if maxim stress value AMAX is greater than average force value D15% in category-A, to category-A, need to reduce stressed, the category-B that stress value is equal to or less than to average force value need to increase stressed, and the value of double counting average force again D1, the hoisting cable that is greater than average force value is classified as to A1 class, by what be less than average force value, be classified as B1 class, to A1 class, need to reduce stressed, to B1 class, need to increase stressed, by increasing stressed or reducing and stressed every hoisting cable stress value is equated.(process of how to report to the police woulds you please perfect, as best in concrete circuit structure and principle of work to detailed)
As Fig. 4, electric system adopts the mode of " PLC+ touch-screen ", and PLC, as the logic control center of system, controls the operation of electrical motor, and touch-screen, as man-machine crosspoint, is monitored the running state of whole equipment.This control system adopts manually+automatic control mode, adopts automatic mode during work, adopts manual mode during equipment alarm.System is input to the pulling force signal of collection to be subject to force detector, be subject to force detector to detect the stress value of every steel rope, and export corresponding 4-20mA analog quantity, be input to the analog module of PLC, by computing and the processing of PLC, control the operation of electrical motor, stressed excessive while surpassing setting value when 1 steel rope wherein, analyzer is by output alarm signal, and equipment quits work, at this moment manually control electrical motor operation, regulate the stress value of this root steel rope in the reasonable scope.On touch-screen, can observe the stress value of every steel rope, this equipment can regulate the stressed of steel rope automatically, and steel rope stress value is controlled in rational scope, has guaranteed the safe and reliable operation of equipment.
Structure in this example is only casehistory and the explanation for claim, so that popular reading comprehension should not be considered as the restriction for claim, scope and legal equivalent feature that protection scope of the present invention should be recorded with claim are as the criterion.
Claims (6)
1. the electronic equalizer of steel rope that applies to full balance rope elevator vertical elevator, the vertical liter of full balance rope elevator is carried machine and is comprised hoisting equipment, hoisting cable, hoisting cable one end connects and promotes thing around hoisting equipment, the other end, the electronic equalizer of steel rope is connected to a hoisting cable by the two joint steel ropes that disconnect, and it is characterized in that: described electronic equalizer comprise fixing hoisting cable tapered sleeve, pipe link, housing, actuating device, screw rod, retarder electrical motor;
Described housing comprises the first circular support, the second circular support, cabinet, the first circular support, the second circular support connects by cabinet, the first circular support, cabinet, the inside of the second circular support forms the cavity of a relative closure, tapered sleeve is connected with the first circular support outer wall by pipe link, screw rod penetrates cavity from the second circular support outer wall, screw rod is connected with the second circular support inner thread, actuating device is located in the cavity of cabinet inside, and be enclosed within on screw rod, actuating device is connected with screw rod screw, retarder electrical motor is fixed on the second circular support outer wall, the power take-off shaft of retarder electrical motor and actuating device mechanical connection,
Hoisting cable can be connected to tapered sleeve and connect, and also can be connected on screw rod;
Retarder motor rotates by power take-off shaft driver, and actuating device rotates and makes screw rod with respect to actuating device linear slide.
2. apply to according to claim 1 the electronic equalizer of full balance rope elevator vertical elevator steel rope, it is characterized in that: described power take-off shaft comprises coupler, Drive pinion, coupler one end is connected with retarder electrical machinery, the other end is fixedly connected with Drive pinion;
Described actuating device is nut big gear wheel, Drive pinion and the engagement of nut big gear wheel.
3. apply to according to claim 1 the electronic equalizer of full balance rope elevator vertical elevator steel rope, it is characterized in that: described power take-off shaft comprises coupler, worm screw, coupler one end is connected with retarder electrical machinery, the other end is fixedly connected with worm screw;
Described actuating device is worm gear, and worm gear matches with worm screw.
4. a full balance rope elevator vertical elevator method of using the electronic equalizer of the described steel rope of one of claim 1-3, is characterized in that: described method comprises in advance afterburning step, hangs force balance step;
Described afterburning step in advance makes screw rod slide with respect to worm gear or nut big gear wheel for starting retarder electrical motor, adjusting screw(rod) is in the length of the second circular support outside, the hoisting cable that makes to connect electronic equalizer is stressed in advance, and stress value is not more than and promotes 70% of steel wire limit stress value in advance;
The described force balance step of hanging is for to be subject to force detector to measure respectively every hoisting cable stress value by steel rope, according to every hoisting cable stress value, start respectively retarder electrical motor, by increasing stressed or reducing and stressed every hoisting cable stress value is equated.
5. according to right, want the full balance rope elevator vertical elevator method described in sharp 4, it is characterized in that: described in hang force balance step and also comprise calculation procedure, described calculation procedure comprises collects described hoisting cable stress value, calculate average force value D, the hoisting cable that is greater than average force value is classified as to category-A, to be less than the category-B that is classified as of average force value, to category-A, need to reduce stressedly, to category-B, need to increase stressed.
6. according to right, want the full balance rope elevator vertical elevator method described in sharp 4, it is characterized in that: in described category-A, maxim stress value AMAX is greater than average force value D15%, to category-A, need to reduce stressed, the category-B that stress value is equal to or less than to average force value need to increase stressed, and the value of double counting average force again D1, the hoisting cable that is greater than average force value is classified as to A1 class, by what be less than average force value, be classified as B1 class, to A1 class, need to reduce stressedly, to B1 class, need to increase stressed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410149686.0A CN103922210B (en) | 2014-04-15 | 2014-04-15 | A kind of electric wire rope equalizer and method for improving applying to full balance rope elevator vertical elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410149686.0A CN103922210B (en) | 2014-04-15 | 2014-04-15 | A kind of electric wire rope equalizer and method for improving applying to full balance rope elevator vertical elevator |
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| CN103922210A true CN103922210A (en) | 2014-07-16 |
| CN103922210B CN103922210B (en) | 2016-04-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339369A (en) * | 2017-09-13 | 2017-11-10 | 宝钢湛江钢铁有限公司 | A kind of heavy-duty steel cord tightening regulator |
| CN110116961A (en) * | 2019-05-30 | 2019-08-13 | 杭州国电机械设计研究院有限公司 | It is a kind of for large-scale heavy duty wirerope connection hoisting equipment adjusting screw rod device and its with carry adjusting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107339369A (en) * | 2017-09-13 | 2017-11-10 | 宝钢湛江钢铁有限公司 | A kind of heavy-duty steel cord tightening regulator |
| CN110116961A (en) * | 2019-05-30 | 2019-08-13 | 杭州国电机械设计研究院有限公司 | It is a kind of for large-scale heavy duty wirerope connection hoisting equipment adjusting screw rod device and its with carry adjusting method |
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| Publication number | Publication date |
|---|---|
| CN103922210B (en) | 2016-04-06 |
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Effective date of registration: 20160304 Address after: 18 No. 443007 Hubei city in Yichang province Xiao Ting Road Applicant after: Ge Zhou Ba mechanical industry Co., Ltd Address before: 18 No. 443007 Hubei city in Yichang province Xiao Ting Road Applicant before: Machinery & Ship Co., Ltd., China Gezhouba Group |
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Effective date of registration: 20171228 Address after: 18 No. 443007 Hubei city in Yichang province Xiao Ting Road Patentee after: Machinery & Ship Co., Ltd., China Gezhouba Group Address before: 18 No. 443007 Hubei city in Yichang province Xiao Ting Road Patentee before: Ge Zhou Ba mechanical industry Co., Ltd |