CN102602787B - Intelligent compensation method and special compensation device for elongation of cage bearing steel wire rope - Google Patents
Intelligent compensation method and special compensation device for elongation of cage bearing steel wire rope Download PDFInfo
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- CN102602787B CN102602787B CN201210074027.6A CN201210074027A CN102602787B CN 102602787 B CN102602787 B CN 102602787B CN 201210074027 A CN201210074027 A CN 201210074027A CN 102602787 B CN102602787 B CN 102602787B
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- cage
- lifting winch
- steel rope
- intelligent
- lifting
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Abstract
The invention discloses an intelligent compensation method and a special compensation device for elongation of a cage bearing steel wire rope. The method includes: firstly, measuring current signal I1 of a motor of a lifting winch before a cage is loaded; secondly, measuring current signal I2 of the motor of the lifting winch when the cage is loaded; and thirdly, allowing the lifting winch to release the steel wire rope, allowing the cage to fall to the bottom of a shaft, allowing a down-hole support tank to start bearing the cage, allowing the lifting winch to continue releasing the steel wire rope, using a PLC (programmable logic controller) to determine the relation between the I2 and the I1 when the I2 changes, and determining a start when the lifting winch stops releasing the steel wire rope according to preset conditions. The special compensation device is simple in structure and convenient in operation. The intelligent compensation method and the special compensation device can be intelligent. By the intelligent compensation method and the special compensation device, a mine car (a trackless rubber-tired vehicle or the like) can be ensured to access the cage stably, safely and reliably. The intelligent compensation method and the special compensation device are highly applicable, and great economic benefit and social benefit can be achieved.
Description
Technical field
The present invention relates to the mine mine shaft hoist system, be specifically related to a kind of intelligent compensating method and special purpose device thereof of cage load-bearing wires rope elongation amount.
Background technology
In vertical shaft hoisting, catching device commonly used has cage chair, a tank machine and holder tank cage chair at present.When cage chair is accepted lifting container, container is in suspension status, and because the elastic deformation of hoisting cable and the impact that stops the tank error cause the cage change in location, its variable quantity meets by cage chair.Impact to cage during on the one hand due to mine car turnover cage causes cage to rock, and the variation of loading because of cage on the other hand causes cage bob when the change of hoisting cable elastic elongation amount causes the mine car displacement, easily makes bogie truck off-road; When well depth is very large or well depth is little, promote load very large, or when well depth is very large, promote and load when also very large, the regulated quantity of cage chair can not meet the elastic elongation variable quantity of steel rope, thereby causes cage chair to use.Prop up tank machine adjustable range large, can be used for deep-well uses, but it requires lifting container that independent movable tray must be arranged, propping up the tank machine when avoiding multi rope winding regulates excessive and causes the slack rope accident, this just makes lifting container complex structure, quality large, operating time while is long, affects raising efficiency, thereby is not promoted always.Holder tank cage chair is the kinetic energy while utilizing spring energy storage device absorption lifting container to fall tank.When lifting container normally falls tank with low speed jerking motion speed, because this device has certain initial holder tank power, thereby flexibility is held container; When cage falls at a high speed, cage can make claw overturn downwards, makes lifting container pass through claw, with the generation of the tank accident of avoiding squatting.The problem that when holder tank cage chair has solved heavily loaded displacement underloading, cage teetertotters, but do not cause on cage because of the hoisting cable elastic elongation problem that causes mine car easily to slide down of lifting when solving underloading displacement weight and carrying.
In Chinese patent application 200910028725.0, a kind of giving young employees remedial-courses in general knowledge and vocational skills locking revolution auto-compensation cage chair and pot supporting method are disclosed, be when dormant state, holder force mechanisms and synchronous revolving clutch mechanism are regained (be rocking arm lifts, claw fall).After container puts in place, start master cock, holder force mechanisms and the synchronous upper and lower Bidirectional locking container of clutch mechanism, buffer gear work, with the flexible bearing container of the hydraulic spring grease cup power of setting up, guarantee that container is stable, turnover Safety for mine car, steady, smooth and easy; When needs change layer, start seam change switch, open lockout mechanism, change layer mechanism and drive and ask force mechanisms and synchronous revolving clutch mechanism slowly to regain under hydraulic coupling drives, steadily transfer by the support assurance container of hydraulic damping power, after container chassis passes through simultaneously, but holder force mechanisms and synchronous revolving clutch mechanism auto-extending, the bearing container upper strata, and container is pinned, laminated vessel is cycle event successively; After each bed device, holder force mechanisms and synchronous revolving clutch mechanism are all regained, and container can free up-and-down movement, completes and changes layer operation.Giving young employees remedial-courses in general knowledge and vocational skills locking revolution auto-compensation cage chair has solved the problem that mine car steadily passes in and out cage, but, it has brought again new problem: when well depth is very large, promote load when very large, the elastic elongation variable quantity of hoisting cable is very large, when the elastic elongation variable quantity of steel rope is greater than the bidirectional compensating amount of holder force mechanisms and synchronous revolving clutch mechanism, (as: during the heavy tank of slack tank displacement) will teetertotter during lifting container release, cause hoisting cable " rope quivers ", affect the hoisting cable life-span, damage winch liner etc.On the other hand, during the work of synchronous revolving clutch mechanism, not in quick condition, its safety can not show a candle to cage chair.
In Chinese patent application 200910024536.6, a kind of catching device and method of lifting container disclosed, be that lifting container does not arrive while stopping the tank position, rocking arm lifts, claw falls.After lifting container puts in place, claw stretches out container is held up; When carrying out the underload handling, steady tank oil cylinder inlet and outlet pressure is equal, and in quick condition, rocking arm falls and is overlapped on cage, and gives the cage certain pressure, and after completing the mine car displacement, rocking arm lifts, and claw is regained, and its function is equivalent to cage chair and combines with the holder tank.While carrying out the heavy duty handling, the rocking arm oil cylinder is in quick condition, and surely the tank oil cylinder is worked, and applies the pressure of about 40t left and right to cage by rocking arm, and after completing the mine car displacement, steady tank oil cylinder inlet and outlet pressure is equal, and in quick condition, rocking arm lifts, the claw withdrawal.This device is very large at well depth, even carry out the underloading handling, the elastic elongation variable quantity most applications of hoisting cable also can surpass the regulated quantity of rocking arm, thereby causes equipment to use.On the other hand, when well depth is very large, promote load when very large, the elastic elongation variable quantity of hoisting cable is very large, when the elastic elongation variable quantity of steel rope is greater than the regulated quantity of cage chair, when steady tank oil cylinder working-pressure discharges, lifting container will teetertotter while discharging by (as: during the heavy tank of slack tank displacement), causes hoisting cable " rope quivers ", affects the hoisting cable life-span, damages winch liner etc.
In Chinese patent application 200810020506.3, a kind of steady tank mechanism and steady tank arrangement promoted for vertical cage disclosed, after lifting container puts in place, four catcher cylinder actions, push rod is inserted in the cage disk body, cushion cylinder is locked in level attitude by cage, and cage chair puts down, and then carries out normal operation; Operation completes, and cage chair lifts, and cushion cylinder slowly discharges, and four catcher cylinder actions are extracted push rod out from the tank inner tray.This device solves mine car steadily pass in and out the problem of cage, still, it has brought again new problem: 1. it is very high to stop the tank accuracy requirement, domestic electric this requirement that is difficult to meet at present; When well depth is very large, promote load when very large, the elastic elongation variable quantity of hoisting cable is very large, when the elastic elongation variable quantity of steel rope is greater than the regulated quantity of steady tank arm, (as: during the heavy tank of slack tank displacement) will teetertotter during lifting container release, cause hoisting cable " rope quivers ", affect the hoisting cable life-span, damage winch liner etc.; 3. this device is controlled by Fu and electric system, and system complex, do not drop into practice at present.
In Chinese patent application 200810150532.8, a kind of cage-stabilizing and cage-locking device for cage of vertical shaft is disclosed, be after lifting container puts in place, four card tank arrangements move simultaneously, block projection or circular cone on cage, put down conversion platform, carry out loading and unloading operation; After operation completes, oil cylinder retracts four card tank arrangements, and conversion platform lifts.There are same problem in this device and a kind of steady tank mechanism and steady tank arrangement promoted for vertical cage.
In addition, lock in addition tank arrangement (as: lattice company of German Sigma), after lifting container puts in place (well head or shaft bottom), the oscillating platform action, overlap with cage; Be distributed in the latching device action (upper and lower dead bolt) of four jiaos, cage, cage is locked; After completed loading, oscillating platform lifts, latching device release under the cooperation of lifting winch.This apparatus system complexity, electric requirement is high, stops tank accurately (± 20mm), expensive.
Summary of the invention
Goal of the invention: for the deficiencies in the prior art, the intelligent compensating method that the purpose of this invention is to provide a kind of cage load-bearing wires rope elongation amount, by the effective compensation that carries out of the rope stretch amount to lifting winch, prevent that the cage that the resilience because of steel rope causes from teetertottering and other dangerous factors.Another object of the present invention is to provide a kind of special purpose device of intelligent compensating method of cage load-bearing wires rope elongation amount, to realize preventing that cage from teetertottering, do not affect normal loading and unloading, guarantee work safety, be particularly suitable for using in dark vertical and main equipment lifting mine.
Technical scheme: in order to realize the foregoing invention purpose, the technical solution used in the present invention is as follows:
A kind of intelligent compensating method of cage load-bearing wires rope elongation amount comprises the following steps:
(1) measure the front winch motor current signal I that promotes of cage load
1;
(2) lifting winch motor current signal I while measuring the cage load
2;
(3) lifting winch discharges steel rope, and cage falls to down-hole, and down-hole holder tank starts to accept cage, and lifting winch continues to discharge steel rope, I
2value changes, and PLC judges I
2with I
1relation, and stop discharging the initial point of steel rope according to pre-conditioned definite lifting winch.
In step (3), work as I
2≤ I
1the time, be defined as lifting winch and stop discharging the steel rope initial point, also can work as I
2approach I
1the time, being defined as lifting winch and stopping discharging the steel rope initial point, degree of closeness is advisable within safe range so that the elastic recoil amount of steel rope is controlled.
The special purpose device of the intelligent compensating method of above-mentioned cage load-bearing wires rope elongation amount, comprise PLC and current probe; Described current probe is for detection of lifting winch motor current signal; Described PLC and current probe carry out the signal transmission, and the judgement lifting winch stops discharging the initial point of steel rope.
The intelligent compensating method of cage load-bearing wires rope elongation amount of the present invention, (before load) lifting winch motor current signal I while by current probe, first detecting the slack tank operation
1, lifting winch motor current signal I while then detecting heavy tank (on-load) operation
2, the cage loaded weight is Δ M=K (I
2-I
1).When cage, with low speed jerking motion speed, normally be undertaken in two shaft bottoms holder tanks four claws on, because stopping lifting winch, cage also continuing operation, the moment of torsion now acted on lifting winch reduces gradually, lifting winch motor current signal also reduces gradually, as lifting winch motor current signal I
2approach or lifting winch motor current signal I while equaling the slack tank operation
1the time, lifting winch just can stop discharging steel rope, now the mistake of steel rope high-volume approaches or equals to change because of lifting weight the elastic elongation variable quantity of the hoisting cable caused, like this, mine car (or railless free-wheeled vehicle etc.) the turnover cage is steady, safety, reliable.
Beneficial effect: intelligent compensating method and the special purpose device of cage load-bearing wires rope elongation amount of the present invention, simple in structure, easy to operate, can realize intellectuality, and can guarantee mine car (or railless free-wheeled vehicle etc.) turnover cage steadily, safety, reliable, there is good practicality, be particularly suitable for using in dark vertical and main equipment lifting mine, can produce good economic benefit and social effect.
The accompanying drawing explanation
Fig. 1 be the shaft bottom cage weigh the holder tank structural representation;
Fig. 2 be the shaft bottom cage weigh the holder tank birds-eye view.
The specific embodiment
Below in conjunction with concrete accompanying drawing, the present invention is described further.
A kind of intelligent compensating method of cage load-bearing wires rope elongation amount comprises the following steps:
(1) measure the front winch motor current signal I that promotes of cage load
1;
(2) lifting winch motor current signal I while measuring the cage load
2;
(3) lifting winch discharges steel rope, and cage falls to down-hole, and down-hole holder tank starts to accept cage, and lifting winch continues to discharge steel rope, I
2value changes, and PLC judges I
2with I
1relation, and stop discharging the initial point of steel rope according to pre-conditioned definite lifting winch.Wherein, work as I
2≤ I
1the time, be defined as lifting winch and stop discharging the steel rope initial point, also can work as I
2approach I
1the time, being defined as lifting winch and stopping discharging the steel rope initial point, degree of closeness is advisable within safe range so that the elastic recoil amount of steel rope is controlled.
The special purpose device of the intelligent compensating method of cage load-bearing wires rope elongation amount, comprise PLC, current probe and holder tank; Current probe is for detection of lifting winch motor current signal; PLC and current probe carry out the signal transmission, and the judgement lifting winch stops discharging the initial point of steel rope.The holder tank can hold in the palm tank for shaft bottom commonly used, can be also holder tank used in the present invention, and as depicted in figs. 1 and 2, major part comprises framework 1, energy disperser 2, claw 3 and claw oil cylinder 4 to concrete structure.An end at framework 1 is established claw 3, and claw 3 is driven by claw oil cylinder 4; Claw 3 is connected with energy disperser 2; Energy disperser 2 is fixed on framework 1, and energy disperser 2 mainly is comprised of parts such as steel drum, springs, and spring is located in steel drum, at the two ends of spring, is equipped with attaching parts.
The special purpose device of the intelligent compensating method of cage load-bearing wires rope elongation amount of the present invention, (before load) lifting winch motor current signal I while by current probe, first detecting the slack tank operation
1, lifting winch motor current signal I while then detecting heavy tank (on-load) operation
2, the cage loaded weight is Δ M=K (I
2-I
1).When cage, with low speed jerking motion speed, normally be undertaken in two the holder tanks four claws on, because stopping lifting winch, cage also continuing operation, the moment of torsion now acted on lifting winch reduces gradually, and lifting winch motor current signal also reduces gradually, as lifting winch motor current signal I
2lifting winch motor current signal I while approaching, being equal to or less than the slack tank operation
1the time, preferably equal, lifting winch just can stop discharging steel rope, and now the mistake of steel rope high-volume approaches or equal to change because of lifting weight the elastic elongation variable quantity of the hoisting cable caused, like this, mine car (or railless free-wheeled vehicle etc.) turnover cage steadily, safety, reliable.
Intelligent compensating method and the special purpose device of cage load-bearing wires rope elongation amount of the present invention, simple in structure, easy to operate, can realize intellectuality, and can guarantee mine car (or railless free-wheeled vehicle etc.) turnover cage steadily, safety, reliable, there is good practicality, be particularly suitable for using in dark vertical and main equipment lifting mine, can produce good economic benefit and social effect.
Claims (3)
1. the intelligent compensating method of a cage load-bearing wires rope elongation amount, is characterized in that, comprises the following steps:
(1) measure the front winch motor current signal I that promotes of cage load
1;
(2) lifting winch motor current signal I while measuring the cage load
2;
(3) lifting winch discharges steel rope, and cage falls to down-hole, and down-hole holder tank starts to accept cage, and lifting winch continues to discharge steel rope, I
2value changes, and PLC judges I
2with I
1relation, and stop discharging the initial point of steel rope according to pre-conditioned definite lifting winch;
In step (3), describedly pre-conditionedly be: work as I
2≤ I
1the time, be defined as lifting winch and stop discharging the steel rope initial point.
2. the intelligent compensating method of cage load-bearing wires rope elongation amount according to claim 1 is characterized in that: in step (3), describedly pre-conditionedly be: work as I
2approach I
1the time, being defined as lifting winch and stopping discharging the steel rope initial point, degree of closeness is as the criterion within safe range so that the elastic recoil amount of steel rope is controlled.
3. the special purpose device of the intelligent compensating method of cage load-bearing wires rope elongation amount claimed in claim 1, is characterized in that: comprise PLC and current probe; Described current probe is for detection of lifting winch motor current signal; Described PLC and current probe carry out the signal transmission, and the judgement lifting winch stops discharging the initial point of steel rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210074027.6A CN102602787B (en) | 2012-03-20 | 2012-03-20 | Intelligent compensation method and special compensation device for elongation of cage bearing steel wire rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210074027.6A CN102602787B (en) | 2012-03-20 | 2012-03-20 | Intelligent compensation method and special compensation device for elongation of cage bearing steel wire rope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102602787A CN102602787A (en) | 2012-07-25 |
| CN102602787B true CN102602787B (en) | 2014-01-08 |
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ID=46520666
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210074027.6A Expired - Fee Related CN102602787B (en) | 2012-03-20 | 2012-03-20 | Intelligent compensation method and special compensation device for elongation of cage bearing steel wire rope |
Country Status (1)
| Country | Link |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3329712B2 (en) * | 1997-11-21 | 2002-09-30 | 新東工業株式会社 | Stop position correction device for lifting equipment in lifting device |
| JP3806287B2 (en) * | 2000-06-23 | 2006-08-09 | 三菱電機ビルテクノサービス株式会社 | Elevator equipment |
| US6325179B1 (en) * | 2000-07-19 | 2001-12-04 | Otis Elevator Company | Determining elevator brake, traction and related performance parameters |
| CN1243658C (en) * | 2000-12-07 | 2006-03-01 | 三菱电机株式会社 | Elevator main rope elongation sensor |
| JP2002226150A (en) * | 2001-01-31 | 2002-08-14 | Toshiba Elevator Co Ltd | Elevator |
| JP2003128363A (en) * | 2001-10-30 | 2003-05-08 | Mitsubishi Electric Corp | Main rope regulating device of elevator for connecting bridge |
| JP2008056468A (en) * | 2006-09-01 | 2008-03-13 | Mitsubishi Electric Corp | Elevator device |
-
2012
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| CN102602787A (en) | 2012-07-25 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20140108 Termination date: 20180320 |