CN203127976U - Intelligent compensation device for elongation of cage load bearing steel wire rope - Google Patents

Abstract

The utility model discloses an intelligent compensation device for elongation of a cage load bearing steel wire rope. The intelligent compensation device comprises a PLC (programmable logic controller) and a displacement sensor which is used for detecting the displacement of a cage and a counter weight, and the PLC transmits signals to the displacement sensor and judges a starting point for a lifting winch to stop unwinding a steel wire rope. The intelligent compensation device for elongation of the cage load bearing steel wire rope is simple in structure and convenient to operate, can realize intellectualization, can guarantee mine cars(or trackless rubber-tyred vehicles and the like) to go in and out of the cage stably, safely and reliably, has good practicability, and can produce good economic benefit and social benefit.

Description

A kind of intelligent compensation device of cage load-bearing wires rope elongation amount

Technical field

The utility model relates to the mine mine shaft hoist system, is specifically related to a kind of intelligent compensation device of cage load-bearing wires rope elongation amount.

Background technology

In vertical shaft hoisting, catching device commonly used at present has cage chair, a jar machine and holder jar cage chair.When cage chair was accepted lifting container, container was in suspension status, and owing to the elastic deformation of hoisting cable and the influence that stops jar error cause the cage change in location, its variable quantity satisfies by cage chair.Impact to cage during on the one hand owing to mine car turnover cage causes cage to rock, and the variation of loading because of cage causes cage bob when the change of hoisting cable elastic elongation amount causes the mine car displacement on the other hand, and mine car is slided down; When well depth is very big or well depth is little, it is very big to promote load, or very big when well depth, promote and load when also very big, the regulated quantity of cage chair can not satisfy the elastic elongation variable quantity of steel rope, thereby causes cage chair to use.It is big to prop up jar machine adjustable range, can be used for deep-well uses, but it requires lifting container that independent movable chassis must be arranged, propping up jar machine when avoiding multi rope winding regulates excessive and causes the slack rope accident, this just makes lifting container complex structure, quality big, operating time while is long, and influence promotes efficient, thereby does not obtain promoting always.Holder jar cage chair is the kinetic energy when utilizing spring energy storage device to absorb lifting container to fall jar.When lifting container normally fell jar with low speed jerking motion speed, because this device has certain initial holder jar power, thereby flexibility was held container; When cage fell at a high speed, cage can make claw overturn downwards, makes lifting container pass through claw, to avoid the generation of jar accident of squatting.The problem that cage teetertottered when holder jar cage chair had solved heavily loaded displacement underloading, but do not lift the problem that causes mine car easily to slide down on the cage because the hoisting cable elastic elongation causes 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 compensation cage chair and pot supporting method are automatically disclosed, be when dormant state, the holder force mechanisms and synchronously the revolution clutch mechanism regain (be rocking arm lifts, claw fall).After container puts in place, start master cock, holder force mechanisms and clutch mechanism two-way locking container up and down synchronously, buffer gear work with the flexible bearing container of the hydraulic spring grease cup power of setting up, guarantees 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 drive holder force mechanisms under hydraulic coupling drives and slowly regain with synchronous revolution clutch mechanism, steadily transfer by the support assurance container of hydraulic damping power simultaneously, after container chassis passes through, holder force mechanisms and synchronous revolution clutch mechanism can stretch out automatically, the bearing container upper strata, and with the container pinning, laminated vessel is cycle event successively; After each bed device finishes, the holder force mechanisms and synchronously the revolution clutch mechanism all regain, container can free up-and-down movement, namely finishes and changes layer operation.Giving young employees remedial-courses in general knowledge and vocational skills locking revolution compensation cage chair has automatically solved the problem that mine car steadily passes in and out cage, but, it has brought new problem again: very big when well depth, promote load when very big, the elastic elongation variable quantity of hoisting cable is very big, when the elastic elongation variable quantity of steel rope greater than the holder force mechanisms with synchronously during the bidirectional compensating amount of revolution clutch mechanism, (as: when the slack tank displacement weighs jar) will teetertotter during lifting container release, cause hoisting cable " rope quivers ", influence the hoisting cable life-span, damage winch liner etc.On the other hand, not to be in quick condition when turning round clutch mechanism work synchronously, 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 lifting container no show when stopping jar position, rocking arm lifts, claw falls.After lifting container put in place, claw stretched out container is held up; When carrying out underload when loading and unloading, a steady jar of oil cylinder inlet and outlet pressure equates that be in quick condition, rocking arm falls and is overlapped on the cage, and gives the cage certain pressure, finish the mine car displacement after, rocking arm lifts, claw is regained, its function is equivalent to cage chair and holder jar combination.Carry out heavy duty when loading and unloading, the rocking arm oil cylinder is in quick condition, steady jar of oil cylinder work, and apply pressure about about 40t to cage by rocking arm, finish the mine car displacement after, a steady jar of oil cylinder inlet and outlet pressure equates that be in quick condition, rocking arm lifts, the claw withdrawal.This device is very big at well depth, even carry out the underloading loading and unloading, 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, very big when well depth, promote load when very big, the elastic elongation variable quantity of hoisting cable is very big, when the elastic elongation variable quantity of steel rope during greater than the regulated quantity of cage chair, when steady jar oil cylinder working-pressure discharges, lifting container will teetertotter when discharging (as: when the slack tank displacement weighs jar), causes hoisting cable " rope quivers ", influences the hoisting cable life-span, damages winch liner etc.

In Chinese patent application 200810020506.3, a kind of steady jar of mechanism and steady tank arrangement for the vertical cage hoisting disclosed, be 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 with cage, and cage chair puts down, and carries out normal operation then; Operation is finished, and cage chair lifts, and cushion cylinder slowly discharges, and four catcher cylinder actions are extracted push rod out from the jar inner tray.This device solves mine car steadily pass in and out the problem of cage, still, it has brought new problem again: 1. it is very high to stop jar accuracy requirement, domestic electric this requirement that is difficult to satisfy at present; Very big when well depth, promote load when very big, the elastic elongation variable quantity of hoisting cable is very big, when the elastic elongation variable quantity of steel rope during greater than the regulated quantity of steady jar arm, (as: when the slack tank displacement weighs jar) will teetertotter during lifting container release, cause hoisting cable " rope quivers ", influence the hoisting cable life-span, damage winch liner etc.; 3. this device is by Fu and electric system control, and system complex does 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 the cage, put down conversion platform, carry out loading and unloading operation; After operation was finished, oil cylinder retracted four card tank arrangements, and conversion platform lifts.There are same problem in this device and a kind of steady jar mechanism and steady tank arrangement for the vertical cage hoisting.

In addition, lock tank arrangement (as: lattice company of German Sigma) in addition, after lifting container puts in place (well head or shaft bottom), the oscillating platform action overlaps with cage; Be distributed in the latching device action (upper and lower dead bolt) of four jiaos in cage, cage is locked; Behind completed loading, oscillating platform lifts, latching device release under the cooperation of lifting winch.This apparatus system complexity, the electric requirement height, stop jar accurately (± 20mm), expensive.

The utility model content

Goal of the invention: at the deficiencies in the prior art, the purpose of this utility model provides a kind of intelligent compensating method of cage load-bearing wires rope elongation amount, effectively compensate by the carrying out to the rope stretch amount of lifting winch, prevent that the cage that the resilience because of steel rope causes from teetertottering and other dangerous factors.Another purpose of the present utility model provides a kind of isolated plant of intelligent compensating method of cage load-bearing wires rope elongation amount, to realize preventing that cage from teetertottering, do not influence normal loading and unloading, guarantee work safety, be particularly suitable for using in dark vertical and the main equipment lifting mine.

Technical scheme: in order to realize the foregoing invention purpose, the technical solution adopted in the utility model is as follows:

A kind of intelligent compensating method of cage load-bearing wires rope elongation amount may further comprise the steps:

(1) measures cage before the cage load in the down-hole and the position S of well head bob-weight when cage inner orbit rail level aligns with entry side track rail level when holder jar is not held cage ₀

(2) lifting winch discharges steel rope, and the load cage falls to the down-hole, and down-hole holder jar begins to accept cage, and lifting winch continues to discharge steel rope, judges bob-weight in-position S and position S ₀Concern, stop to discharge the initial point of steel rope according to pre-conditioned definite lifting winch.

In the step (2), pre-conditioned for working as well head bob-weight in-position S ₀The time, be defined as lifting winch and stop to discharge the steel rope initial point.

In the step (2), when well head bob-weight approximated position S0, be defined as lifting winch and stop to discharge the steel rope initial point.

In the step (2), when well head bob-weight setover S0, be defined as lifting winch and stop to discharge the steel rope initial point.

A kind of intelligent compensation device of cage load-bearing wires rope elongation amount comprises PLC and displacement pickup; Described displacement pickup is for detection of the displacement of cage and bob-weight; Described PLC and displacement pickup carry out the signal transmission, and judge that lifting winch stops to discharge the initial point of steel rope.

The intelligent compensating method of cage load-bearing wires rope elongation amount of the present utility model, the position S of well head bob-weight when cage inner orbit rail level aligns with entry side track rail level in the down-hole and when the holder jar is not held cage by cage before the position transduser mensuration cage load earlier ₀Lifting winch discharges steel rope, and the load cage falls to the down-hole, and the down-hole holder jar begins to accept cage, and lifting winch continues to discharge steel rope, when the well head bob-weight approaches, arrival or setover S ₀The time, lifting winch stops to discharge steel rope; Like this, mine car (or railless free-wheeled vehicle etc.) turnover cage steadily, safety, reliable.

Beneficial effect: the intelligent compensation device of cage load-bearing wires rope elongation amount of the present utility model, 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, have good practicability, be particularly suitable for using in dark vertical and the main equipment lifting mine, can produce good economic benefits and social effect.

Description of drawings

Fig. 1 be the shaft bottom cage weigh the holder jar structural representation;

Fig. 2 be the shaft bottom cage weigh the holder jar birds-eye view.

The specific embodiment

Below in conjunction with concrete accompanying drawing the utility model is described further.

A kind of intelligent compensating method of cage load-bearing wires rope elongation amount may further comprise the steps:

(1) measures cage before the cage load in the down-hole and the position S of well head bob-weight when cage inner orbit rail level aligns with entry side track rail level when holder jar is not held cage ₀

(2) lifting winch discharges steel rope, and the load cage falls to the down-hole, and down-hole holder jar begins to accept cage, and lifting winch continues to discharge steel rope, and PLC judges bob-weight position S and S ₀Relation according to pre-conditioned, established lifting winch and is stopped to discharge steel rope;

Wherein, pre-conditioned for approaching when the position of well head bob-weight or equaling S ₀The time, being defined as lifting winch and stopping to discharge 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.

A kind of isolated plant of intelligent compensating method of cage load-bearing wires rope elongation amount comprises PLC and displacement pickup; Displacement pickup is for detection of the displacement of bob-weight; PLC and displacement pickup carry out the signal transmission, and judge that lifting winch stops to discharge the initial point of steel rope.Holder jar can be shaft bottom commonly used holder jar, also can be the employed holder jar of the utility model, concrete structure as depicted in figs. 1 and 2, major part comprises framework 1, energy disperser 2, claw 3 and claw oil cylinder 4.End at framework 1 is established claw 3, and claw 3 is driven by claw oil cylinder 4; Claw 3 links to each other with energy disperser 2; Energy disperser 2 is fixed on the framework 1, and energy disperser 2 mainly is made up of parts such as steel drum, springs, and spring is located in the steel drum, is equipped with attaching parts at the two ends of spring.

The isolated plant of the intelligent compensating method of cage load-bearing wires rope elongation amount of the present utility model is measured earlier cage before the cage load in the down-hole and the position S of well head bob-weight when cage inner orbit rail level aligns with entry side track rail level when holder jar is not held cage ₀When the load cage normally be undertaken in low speed jerking motion speed two holders jar four claws on the time, because the elastic elongation amount of load increase hoisting cable increases, the well head bob-weight does not also have in-position S ₀, lifting winch continues to discharge steel rope, when the well head bob-weight approaches or in-position S ₀The time, lifting winch stops to discharge steel rope; The mistake of steel rope high-volume approached or equaled to change because of lifting weight the elastic elongation variable quantity of the hoisting cable that causes this moment, and certainly, the position S of bob-weight is suitable setover S also ₀, like this, mine car (or railless free-wheeled vehicle etc.) the turnover cage steadily, safely, reliably.

Intelligent compensating method and the isolated plant of cage load-bearing wires rope elongation amount of the present utility model, 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, have good practicability, be particularly suitable for using in dark vertical and the main equipment lifting mine, can produce good economic benefits and social effect.

Claims (1)

1. the intelligent compensation device of a cage load-bearing wires rope elongation amount is characterized in that: comprise PLC and displacement pickup; Described displacement pickup is for detection of the displacement of cage and bob-weight; Described PLC and displacement pickup carry out the signal transmission, and judge that lifting winch stops to discharge the initial point of steel rope.

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