CN103922210B - A kind of electric wire rope equalizer and method for improving applying to full balance rope elevator vertical elevator - Google Patents
A kind of electric wire rope equalizer and method for improving applying to full balance rope elevator vertical elevator Download PDFInfo
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- CN103922210B CN103922210B CN201410149686.0A CN201410149686A CN103922210B CN 103922210 B CN103922210 B CN 103922210B CN 201410149686 A CN201410149686 A CN 201410149686A CN 103922210 B CN103922210 B CN 103922210B
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Abstract
A kind of electric wire rope equalizer and method for improving applying to full balance rope elevator vertical elevator, full balance rope elevator vertically rises the machine of carrying and comprises hoisting equipment, hoisting cable, hoisting cable one end is around hoisting equipment, the other end connects lifting thing, it is a hoisting cable that the two joint steel ropes disconnected connect by electric wire rope equilibrium dress, start electronic equalizer and can carry out precharge to hoisting cable, by measuring the stressing conditions after hoisting cable precharge, adjust each hoisting cable prestressed, balance the stressing conditions of each hoisting cable.The invention has the advantages that, structure is simple, convenient for maintaining, reliability is high, can lift by crane the object of more than four kilotons.
Description
Technical field
The invention belongs to the stressed technology of motor reducer driven equilibrium steel cable, vertically rise the method for heavy objects for steel cable elevator.
Background technology
Vertical-lift is very rambunctious more than balance during its lifting of object more than a kiloton, for vertical-lift ship machine, 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.Reel is wound with hoisting cable, and 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 the many factors such as diameter, out of roundness deviation of reel and steel rope, to cause between each hoisting cable length not etc., discontinuity equalization, the levelness in ship case lifting process can not be ensured, and then jeopardize the normal operation of ship lift, even lead to a disaster.In order to solve this problem, the equalizer mostly adopted at present is 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: promote the starting stage at ship lift, and with organizing, hoisting cable is stressed 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 be greater than other steel ropes time, the hydraulic cylinder works cavity pressure be connected with this hoisting rope increases, cause fluid by damped flow to other hydraulic actuating cylinders, make its hydraulic cylinder piston moves, the stressed minimizing of this steel rope, and cause the hydraulic cylinder piston be communicated with it to move down straining this steel rope, thus 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, its dynamic response cannot be asked; Under the impact of external environment, hydraulic fluid temperature changes, and stability can be driven to have impact; Leakage of oil or oil receive 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, provide that a kind of structure is simple, convenient for maintaining, the electronic equalizer of reliable full balance rope elevator vertical elevator steel rope, and the method using the lifting of electric wire rope equalizer.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of electric wire rope equalizer applying to full balance rope elevator vertical elevator, full balance rope elevator vertical elevator comprises hoisting equipment, hoisting cable, hoisting cable one end connects lifting thing around hoisting equipment, the other end, it is a hoisting cable that the two joint steel ropes disconnected connect by electric wire rope equalizer, and electronic equalizer comprises tapered sleeve, pipe link, housing, actuating device, screw rod, the retarder electrical motor of fixing hoisting cable;
Described housing comprises the first circular support, second circular support, cabinet, first circular support, second circular support is connected by cabinet, 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 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 are mechanically connected,
Hoisting cable can be connected to tapered sleeve and connect, and also can be connected on screw rod;
Retarder motor is rotated by power take-off shaft driver, and actuating device rotates and makes screw rod relative to actuating device linear slide.
Preferred scheme comprises, and 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, and Drive pinion engages with nut big gear wheel.
Another preferred scheme comprises, and 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 use the method for improving of right full balance rope elevator vertical elevator electric wire rope equalizer comprise in advance afterburning step, hang force balance step;
Described afterburning step in advance makes screw rod slide relative 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, make the hoisting cable of the electronic equalizer of connection stressed in advance, stress value is not more than 70% of lifting steel wire limit stress value in advance;
Described force balance step of hanging is for measuring every root hoisting cable stress value by steel rope respectively by force detector, according to every root hoisting cable stress value, start retarder electrical motor respectively, by increasing stressed or reducing and stressedly make every root hoisting cable stress value equal.
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 being greater than average force value is classified as category-A, be classified as category-B by what be less than average force value, need to reduce to category-A stressed, need to increase to category-B stressed.
All right, in category-A, maxim stress value AMAX is greater than average force value D15%, need minimizing stressed to category-A, category-B stress value being equal to or less than to average force value needs increase stressed, and the value of double counting average force again D1, the hoisting cable being greater than average force value is classified as A1 class, is classified as B1 class by what be less than average force value, need minimizing stressed to A1 class, need increase stressed to B1 class.
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, by the length value of accurate adjusting screw(rod) outside housing (generally between 0-355mm, consider that the deformation values of steel rope is on the stressed impact of pre-add) realize applying controollable prestressed to hoisting cable, conveniently force bearing adjustment is carried out to hoisting cable, make the stressed relatively uniform of every root hoisting cable, namely the vertical-lift of full balance rope elevator is achieved, compare hydraulic pressure equalizer, structure is more reliable, period of service is longer, keep in repair more convenient, hoisting weight higher (more than five kilotons can be reached).
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
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 the electronic equalizer of utilization first or second embodiment of the present invention.
Accompanying drawing 4 is that this realizes the electric control system schematic diagram of hoisting method of the present invention.
In figure: tapered sleeve 1, pipe link 2, flange 3, first circular support 4, nut big gear wheel 5, cabinet 6, screw rod 7, second circular support 8, hang 10, retarder electrical motor 11, coupler 12, Drive pinion 13.
Detailed description of the invention
As Fig. 1, a kind of electric wire rope equalizer applying to full balance rope elevator vertical elevator, full balance rope elevator vertical elevator comprises hoisting equipment, hoisting cable, hoisting cable one end connects lifting thing around hoisting equipment, the other end, electric wire rope equalizer by disconnect two joint steel ropes connect be a hoisting cable, 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, second circular support 8, cabinet 6, first circular support 4, second circular support 8 is connected by cabinet 6, 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 the first circular support 4 outer wall flange 3 by pipe link 2, screw rod 7 penetrates cavity from the second circular support 8 outer wall, screw rod 7 is connected with the second circular support 8 inner thread, 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 screw rod 7, nut big gear wheel 5 is connected with screw rod 7 screw, retarder electrical motor 11 is fixed on the second circular support 8 outer wall, the power take-off shaft of retarder electrical motor 11 is for be mechanically connected with nut big gear wheel 5, power take-off shaft comprises coupler 12, Drive pinion 13, coupler 12 one end and retarder electrical motor 11 are mechanically connected, the other end is fixedly connected with Drive pinion 12, Drive pinion 12 engages with nut big gear wheel 5,
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) drive Drive pinion 12 to rotate by coupler 12, Drive pinion 12 rotating drive nut big gear wheel 5 is rotated, nut big gear wheel 5 is rotated and is made screw rod 7 relative to nut big gear wheel 5 linear slide, and screw rod 7 end that screw rod 7 linear slide makes fixedly to hang 10 stretches out or is retracted into the cavity in the second circular support 8.
As Fig. 2, a kind of electric wire rope equalizer applying to full balance rope elevator vertical elevator, full balance rope elevator vertical elevator comprises hoisting equipment, hoisting cable, hoisting cable one end connects lifting thing around hoisting equipment, the other end, electric wire rope equalizer by disconnect two joint steel ropes connect be a hoisting cable, 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, second circular support 8, cabinet 6, first circular support 4, second circular support 8 is connected by cabinet 6, 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 the first circular support 4 outer wall flange 3 by pipe link 2, screw rod 7 penetrates cavity from the second circular support 8 outer wall, screw rod 7 is connected with the second circular support 8 inner thread, actuating device is worm gear 14, worm gear 14 is located in the cavity of cabinet 6 inside, and be enclosed within screw rod 7, worm gear 14 is connected with screw rod 7 screw, retarder electrical motor 11 is fixed on the second circular support 8 outer wall, 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 are mechanically connected, the other end and worm screw 15 are mechanically connected, 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) drive worm screw 15 by coupler 12 and by worm screw 15, worm gear 14 rotated, worm gear 14 rotates and makes screw rod 7 relative to worm gear 14 linear slide, and screw rod 7 end that screw rod 7 linear slide makes fixedly to hang 10 stretches out or is 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 electric wire rope equalizer, method comprise in advance afterburning step, hang force balance step;
Described afterburning step in advance makes screw rod 7 relative 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 outside, otherwise then reduce stressed), make the hoisting cable of the electronic equalizer of connection stressed in advance, stress value is not more than 70% of lifting steel wire limit stress value in advance;
Hang force balance step for measuring every root hoisting cable stress value by steel rope respectively by force detector, calculation procedure comprises collects described hoisting cable stress value, calculate average force value D, the hoisting cable being greater than average force value is classified as category-A, category-B is classified as by what be less than average force value, need minimizing stressed to category-A, need increase stressed to category-B, if maxim stress value AMAX is greater than average force value D15% in category-A, need minimizing stressed to category-A, category-B stress value being equal to or less than to average force value needs increase stressed, and the value of double counting average force again D1, the hoisting cable being greater than average force value is classified as A1 class, B1 class is classified as by what be less than average force value, need minimizing stressed to A1 class, need increase stressed to B1 class, by increasing stressed or reducing and stressedly make every root hoisting cable stress value equal.(process of how to report to the police woulds you please perfect, as concrete to detailed circuit structure and principle of work best)
As Fig. 4, electric system adopts the mode of " PLC+ touch-screen ", and PLC is as the logic control center of system, and control the operation of electrical motor, touch-screen, as human-computer exchange unit, monitors 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.The pulling force signal of collection is input to by force detector by system, the stress value of every root steel rope is detected by force detector, and export corresponding 4-20mA analog quantity, be input to the analog module of PLC, by computing and the process of PLC, control the operation of electrical motor, when wherein 1 steel rope stressed excessive exceed setting value time, analyzer is by output alarm signal, and equipment quits work, at this moment carry out Non-follow control motor running, regulate the stress value of this root steel rope in the reasonable scope.Can observe the stress value of every root steel rope on the touchscreen, this equipment can regulate the stressed of steel rope automatically, makes steel rope stress value control, in rational scope, to ensure that the safe and reliable operation of equipment.
Structure in this example is only casehistory for claim and explanation, so that mass reading is understood, should not be considered as the restriction for claim, and the scope that protection domain of the present utility model should be recorded with claim and legal equivalent feature be as the criterion.
Claims (6)
1. one kind applies to the electric wire rope equalizer of full balance rope elevator vertical elevator, full balance rope elevator vertical elevator comprises hoisting equipment, hoisting cable, hoisting cable one end connects lifting thing around hoisting equipment, the other end, electric wire rope equalizer by disconnect two joint steel ropes connect be a hoisting cable, 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, second circular support, cabinet, first circular support, second circular support is connected by cabinet, 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 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 are mechanically connected,
Hoisting cable one end is connected on tapered sleeve, and the other end is connected on screw rod;
Retarder motor is rotated by power take-off shaft driver, and actuating device rotates and makes screw rod relative to actuating device linear slide.
2. apply to the electric wire rope equalizer of full balance rope elevator vertical elevator according to claim 1, 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, and Drive pinion engages with nut big gear wheel.
3. apply to full balance rope elevator vertical elevator electric wire rope equalizer according to claim 1, 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. use a full balance rope elevator vertical elevator method for one of claim 1-3 described electric wire rope equalizer, it is characterized in that: described method comprise in advance afterburning step, hang force balance step;
Described afterburning step in advance makes screw rod slide relative 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, make the hoisting cable of the electronic equalizer of connection stressed in advance, stress value is not more than 70% of lifting steel wire limit stress value in advance;
Described force balance step of hanging is for measuring every root hoisting cable stress value by steel rope respectively by force detector, according to every root hoisting cable stress value, start retarder electrical motor respectively, by increasing stressed or reducing and stressedly make every root hoisting cable stress value equal.
5. want the full balance rope elevator vertical elevator method described in profit 4 according to right, 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 being greater than average force value is classified as category-A, be classified as category-B by what be less than average force value, need to reduce to category-A stressed, need to increase to category-B stressed.
6. want the full balance rope elevator vertical elevator method described in profit 5 according to right, it is characterized in that: in described category-A, maxim stress value AMAX is greater than average force value D15%, need minimizing stressed to category-A, category-B stress value being equal to or less than to average force value needs increase stressed, and the value of double counting average force again D1, the hoisting cable being greater than average force value is classified as A1 class, B1 class is classified as by what be less than average force value, need minimizing stressed to A1 class, need increase stressed to B1 class.
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| Application Number | Priority Date | Filing Date | Title |
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| 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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| 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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| CN103922210B true CN103922210B (en) | 2016-04-06 |
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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 |
| CN110116961B (en) * | 2019-05-30 | 2024-06-14 | 杭州国电机械设计研究院有限公司 | Adjusting screw device for connecting large heavy-duty steel wire rope with hoisting lifting equipment and load adjusting method thereof |
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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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