CN102556814B - Intelligent compensation device for elongation quantity of cage carrying rope and intelligent compensation method thereof - Google Patents

Intelligent compensation device for elongation quantity of cage carrying rope and intelligent compensation method thereof Download PDF

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Publication number
CN102556814B
CN102556814B CN201210067802.5A CN201210067802A CN102556814B CN 102556814 B CN102556814 B CN 102556814B CN 201210067802 A CN201210067802 A CN 201210067802A CN 102556814 B CN102556814 B CN 102556814B
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cage
intelligent compensation
load
intelligent
steel rope
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CN201210067802.5A
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CN102556814A (en
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汪邦正
邹舰
翁刘基
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YANGZHOU KAISITE MACHINERY CO Ltd
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YANGZHOU KAISITE MACHINERY CO Ltd
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Abstract

The invention discloses an intelligent compensation device for the elongation quantity of a cage carrying rope and an intelligent compensation method thereof. The device comprises a PLC (Programmable Logic Controller) and weighing devices, wherein the weighing devices are arranged at both a wellhead and a downhole, and the PLC is used for receiving weight signals outputted by the weighing devices and judging a starting point when a hoisting winch stops releasing a steel wire rope. The intelligent compensation device is simple in structure and convenient in operation, the intelligentification can be achieved, and a mine car (or a trackless rubber tire vehicle and the like) can be ensured to stably, safely and reliably access a cage, so that the intelligent compensation device has very good practicability, and good economic and social effects can be generated.

Description

Intelligent compensation apparatus and the intelligent compensating method thereof of cage load-bearing wires rope elongation amount
Technical field
The present invention relates to the mine mine shaft hoist system, be specifically related to a kind of intelligent compensation apparatus and intelligent compensating method 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 compensation apparatus 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 intelligent compensating method of intelligent compensation apparatus 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 compensation apparatus of cage load-bearing wires rope elongation amount, comprise PLC and weighting apparatus; Described weighting apparatus all has setting at well head and down-hole, and described PLC is used for receiving the weight signal of weighting apparatus output and judging that lifting winch stops discharging the initial point of steel rope.
Described weighting apparatus is the weighting apparatus that is provided with the heavy formula sensor of axle.
Described weighting apparatus comprises framework, claw, weighing apparatus and energy disperser; Described weighing apparatus and claw are fixed on framework; Between weighing apparatus and claw, energy disperser is set.
Described energy disperser comprises steel drum, is provided with spring in steel drum, at the two ends of spring, is equipped with attaching parts.
The intelligent compensating method of the intelligent compensation apparatus of above-mentioned cage load-bearing wires rope elongation amount comprises the following steps:
(1) with well head cage weight m before the load of weighting apparatus mensuration cage 1;
(2) corresponding (well head) total weight m while measuring the cage load with weighting apparatus 2, calculated difference △ m;
(3) lifting winch discharges steel rope, and cage falls to down-hole, and the down-hole LOAD CELLS is measured cage weight m 3, lifting winch continues to discharge steel rope, m 3value changes, and PLC judges m 3with △ m relation, and stop discharging the initial point of steel rope according to pre-conditioned definite lifting winch.
Wherein, preset can be according to m 3preset with △ m relation, preferably worked as m 3while approaching △ m, be defined as lifting winch and stop discharging the steel rope point, degree of closeness is advisable within safe range so that the elastic recoil amount of steel rope is controlled.Also can arrange and work as m 3during>=△ m, for being defined as lifting winch, stop discharging the steel rope point.
Beneficial effect: intelligent compensation apparatus and the intelligent compensating method thereof 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 well head cage weigh the holder tank structural representation;
Fig. 2 be the well head cage weigh the holder tank birds-eye view;
Fig. 3 be the shaft bottom cage weigh the holder tank structural representation;
Fig. 4 be the shaft bottom cage weigh the holder tank birds-eye view;
Fig. 5 is intelligent compensation apparatus schematic diagram when well head is worked;
Fig. 6 is intelligent compensation apparatus schematic diagram while working in shaft bottom.
The specific embodiment
Below in conjunction with concrete accompanying drawing, the present invention is described further.
A kind of intelligent compensation apparatus of cage load-bearing wires rope elongation amount, comprise PLC and weighting apparatus; At well head and down-hole, weighting apparatus all is set, PLC is used for receiving the weight signal of weighting apparatus output and judging that lifting winch stops discharging the initial point of steel rope.
Typical weighting apparatus, have 4, and well head and down-hole respectively are provided with 2.As depicted in figs. 1 and 2, two well head cages are weighed and are ask the structure of tank identical, and major part is comprised of framework 1, weighing apparatus 2, energy disperser 3, claw 4, Rocker arm 5, dolly 8, claw oil cylinder 6 and dolly oil cylinder 7.Framework 1 is quadra, is bolted.Weighing apparatus 2 can be common LOAD CELLS, is preferably the heavy formula LOAD CELLS of axle, and weighing apparatus 2 one ends are by being hingedly fixed on framework 1, and the other end is connected with energy disperser 3, and energy disperser 3 is connected with claw 4.Claw 4 is connected to an end of framework 1 by axle and bearing, claw 4 is driven by claw oil cylinder 6.Dolly 8 is actively installed on framework 1, by dolly oil cylinder 7, is driven.Be connected with framework 1 with bearing by axle at Rocker arm 5, be provided with the connecting lever of pulley at an end of Rocker arm 5, when dolly 8 travels forward under the driving of dolly oil cylinder 7, dolly 8 promotes connecting lever, and Rocker arm 5 lifts and flies; When dolly 8 moves backward under the driving of dolly oil cylinder 7, Rocker arm 5 falls under Gravitative Loads.
As shown in Figure 3 and Figure 4, two shaft bottom cages are weighed and are ask the structure of tank identical, and major part comprises the first framework 21, the first weighing apparatus 22, the first energy disperser 23, the first claw 24 and the first claw oil cylinder 26.The first weighing apparatus 22 is fixed on the first framework 21; Establishing the first claw 24, the first claws 24 at an end of the first framework 21 is driven by the first claw oil cylinder 26; The first claw 24 is connected with the first weighing apparatus 22 by the first energy disperser 23; The first claw 24 is connected with the first framework 21 with bearing by axle.
Energy disperser 3 comprises steel drum, is provided with spring in steel drum, at the two ends of spring, is equipped with attaching parts, and the structure of the first energy disperser 23 is identical with energy disperser 3.The first weighing apparatus 22 is identical with weighing apparatus 2, all is preferably the heavy formula sensor of axle.
The intelligent compensating method of the intelligent compensation apparatus of cage load-bearing wires rope elongation amount comprises the following steps:
(1) with well head cage weight m before the load of weighting apparatus mensuration cage 1;
(2) corresponding (well head) total weight m while measuring the cage load with weighting apparatus 2, calculated difference △ m;
(3) lifting winch discharges steel rope, and cage falls to down-hole, and the down-hole LOAD CELLS is measured cage weight m 3, lifting winch continues to discharge steel rope, m 3value changes, and PLC judges m 3with △ m relation, and stop discharging the initial point of steel rope according to pre-conditioned definite lifting winch.Wherein, pre-conditioned can be according to m 3preset with △ m relation, preferably worked as m 3while approaching △ m, be defined as lifting winch and stop discharging the steel rope initial point, also can be set to work as m 3during>=△ m, be defined as lifting winch and stop discharging the steel rope point.
When the intelligent compensation apparatus of this cage load-bearing wires rope elongation amount is worked, as shown in Figure 5, be stopped at well head before the cage load, two well head cages are weighed the claw 4 of holder tank under the driving of claw oil cylinder 6, hold up slack tank; Rocker arm 5 drives dolly 8 actions by dolly oil cylinder 7, and Rocker arm 5 falls and is overlapped on cage; The application force of four claws 4 acts on weighing apparatus 2 by energy disperser 3, and now weighing apparatus 2 output data are m 1; Then equipment or the material cage of packing into of going into the well, now weighing apparatus 2 output data are m 2; The cage loaded weight is Δ m=K(m 2-m 1); Upper well head loads and finishes, and Rocker arm 5 lifts, and claw 4 falls.When normally being undertaken in two shaft bottom cages when cage with low speed jerking motion speed and weighing on 4 the first claws 24 of holder tank, as shown in Figure 6, the application force of 4 the first claws 24 acts on the first weighing apparatus 22 by the first energy disperser 23, the first weighing apparatus 22 output data m 3, lifting winch continues to discharge steel rope, m 3value changes, and PLC judges m 3with △ m relation, and stop discharging the initial point of steel rope according to pre-conditioned definite lifting winch.Wherein, pre-conditioned can be according to m 3preset with △ m relation, preferably worked as m 3while approaching △ m, be defined as lifting winch and stop discharging the steel rope point, degree of closeness is advisable within safe range so that the elastic recoil amount of steel rope is controlled.Also can be set to work as m 3during>=△ m, be defined as lifting winch and stop discharging the steel rope initial point, now the mistake of hoisting cable 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.) just can realize passing in and out cage steadily, safety, reliable.
In addition, the intelligent compensation apparatus of this cage can, by detecting the size of four claw power, can know that the load center of gravity, whether in the cage hoisting center, loads on the position in cage by adjustment, make load center of gravity and cage hoisting center superposition, avoid the generation of oblique tank accident.

Claims (5)

1. the intelligent compensation apparatus of a cage load-bearing wires rope elongation amount, is characterized in that: comprise PLC and weighting apparatus; Described weighting apparatus all has setting at well head and shaft bottom, and described PLC is used for receiving the weight signal of weighting apparatus output and judging that lifting winch stops discharging the initial point of steel rope; Described weighting apparatus is the weighting apparatus that is provided with the heavy formula sensor of axle; Described weighting apparatus comprises framework (1), claw (4), weighing apparatus (2) and energy disperser (3); Described weighing apparatus (2) and claw (4) are fixed on framework (1); Between weighing apparatus (2) and claw (4), energy disperser (3) is set.
2. the intelligent compensation apparatus of cage load-bearing wires rope elongation amount according to claim 1, it is characterized in that: described energy disperser (3) comprises steel drum, is provided with spring in steel drum, at the two ends of spring, is equipped with attaching parts.
3. the intelligent compensating method of the intelligent compensation apparatus of cage load-bearing wires rope elongation amount claimed in claim 1, is characterized in that, comprises the following steps:
(1) with well head cage weight m before the load of weighting apparatus mensuration cage 1;
(2) corresponding total weight m while measuring the cage load with weighting apparatus 2, calculated difference △ m;
(3) lifting winch discharges steel rope, and cage falls to down-hole, and the down-hole LOAD CELLS is measured cage weight m 3, lifting winch continues to discharge steel rope, m 3value changes, and PLC judges m 3with △ m relation, and stop discharging the initial point of steel rope according to pre-conditioned definite lifting winch.
4. the intelligent compensating method of the intelligent compensation apparatus of cage load-bearing wires rope elongation amount according to claim 3, is characterized in that: in step (3), work as m 3during>=△ m, be defined as lifting winch and stop discharging the steel rope initial point.
5. the intelligent compensating method of the intelligent compensation apparatus of cage load-bearing wires rope elongation amount according to claim 3, is characterized in that: in step (3), work as m 3while approaching △ m, be defined as lifting winch and stop 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.
CN201210067802.5A 2012-03-15 2012-03-15 Intelligent compensation device for elongation quantity of cage carrying rope and intelligent compensation method thereof Expired - Fee Related CN102556814B (en)

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Publication number Priority date Publication date Assignee Title
CN103101828B (en) * 2013-01-23 2015-09-30 扬州凯思特机械有限公司 A kind of intelligent compensating method of cage load-bearing wires rope elongation amount and special purpose device thereof
CN103086241B (en) * 2013-01-23 2014-09-03 扬州凯思特机械有限公司 Cage bearing steel wire rope elongation intelligent method and device special for the same
CN105621175B (en) * 2014-11-05 2017-12-19 Abb技术有限公司 The control method and elevator system of elevator system
CN105540393B (en) * 2015-12-30 2017-10-17 徐州中矿大传动与自动化有限公司 A kind of elevator hovering lock tank tension releasing control apparatus and method
CN113173481B (en) * 2021-05-24 2022-10-11 河南理工大学 Lifting system and lifting method for realizing double-code balance and energy conservation of auxiliary vertical shaft
CN113581986B (en) * 2021-07-30 2023-03-31 西安煤矿机械有限公司 Tank locking cradle test system and reliability test method

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* Cited by examiner, † Cited by third party
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JP2008044723A (en) * 2006-08-16 2008-02-28 Toshiba Elevator Co Ltd Elevator rope elongation adjusting device
CN101187582B (en) * 2007-12-19 2010-11-10 太原重工股份有限公司 Excavator bucket material weighing method
CN201449302U (en) * 2009-05-31 2010-05-05 中煤第五建设公司第二工程处 Template rope tension online real time testing device
CN102180183A (en) * 2011-03-30 2011-09-14 徐州远大科技发展有限公司 Safety automatic protection system of mining inclined roadway track
CN202542655U (en) * 2012-03-15 2012-11-21 扬州凯思特机械有限公司 Intelligent compensation device for elongation of cage carrying steel wire rope

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