CN101723219B - Mine single-rope hoisting balance wheel brake rope anti-case-crashing device - Google Patents
Mine single-rope hoisting balance wheel brake rope anti-case-crashing device Download PDFInfo
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- CN101723219B CN101723219B CN200910175426XA CN200910175426A CN101723219B CN 101723219 B CN101723219 B CN 101723219B CN 200910175426X A CN200910175426X A CN 200910175426XA CN 200910175426 A CN200910175426 A CN 200910175426A CN 101723219 B CN101723219 B CN 101723219B
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Abstract
The invention aims to provide a mine single-rope hoisting balance wheel brake rope anti-case-crashing device and relates to the technical field of mine safety devices. A hoisting container is connected with another hoisting balance container through more than two brake ropes and more than two corresponding balance wheels; each balance wheel is arranged on a balance wheel axle; the balance wheel axle is arranged on an elastic bearing device through a bearing; the wheel edge of the balance wheel is provided with a friction brake surface; a damper brake is arranged below the balance wheel; and an idle stroke distance exists in the upward direction and the downward direction of the damper brake and the friction brake surface of the balance wheel. The device not only keeps the advantage of the less investment cost of single-rope hoisting, but also has the safety property of multi-rope falling prevention protection, can completely solve the problems that a falling protector cannot be actuated when rope breaking case crashing or rope sliding case crashing happen in a traditional falling protector system, buffer brake force is uncertain, and the buffer brake force is difficult to be accurately calibrated in an use site, and has the advantages of strong safety and reliability and wide application range.
Description
Technical field
The present invention relates to mine safety device technique field.
Background technology
In the mine single-rope hoisting system, take advantage of people's accident of cage crashing personnel to injure heaviness, social influence is abominable, is serious pernicious casualty accident.Even do not take advantage of the people or do not take advantage of people's accident of cage crashing, also will destroy seriously, stop production and recover long in time limit, economic loss is big, causes serious accident.Therefore, in the mine single-rope hoisting system, taking precautions against accident of cage crashing is giving top priority to what is the most important of safety manufacture supervising.
At present, in the mine single-rope hoisting system, taking precautions against disconnected rope accident of cage crashing, all is to adopt to be installed in the formula of the arresting falling protector on the cage, and falling protector is arrested cage guide or special-purpose check band behind disconnected rope, on cage guide or special-purpose check band, prevents that cage from falling to the cage braking.No matter be wooden cage guide or flexible cage guide, present falling protector arresting agency technology maturation, disconnected rope back just can drive arresting agency and arrest braking fast as long as the operating spring of falling protector arresting agency can discharge.But, drag longer hoisting cable when disconnected rope back winding cage and slipping rope when weighing down jar, if steel rope rubs producing with derrick and shaft equipment and the borehole wall, will produce pulling force to cage; Or dragging hoisting cable when winding cage and haul reel and rotate to slip rope when weighing down jar; Under effects such as the acceleration due to gravity power of cage and the quiet power of being used to of cylinder; Hoisting cable also will produce pulling force to cage; If this pulling force is big or during greater than the elastic force of falling protector operating spring, spring just can not maybe can not drive arresting agency by reliable operation, the accident of cage crashing that the generation falling protector can not effectively be arrested.The present formula of arresting parachute hinders the falling protector spring to drive arresting agency work to cause and take place aspect the accident of cage crashing taking precautions against pulling force because of hoisting cable, also exists vacantly, has grave accident hidden danger.October 8 this year; The great accident of cage crashing that 26 people are dead, 5 people are severely injured that No. 2 wells in ore deposit, China Hunan Province Xikuangshan Shanxing Antimony Industry Co., Ltd south take place; Be exactly the typical accident of cage crashing case that takes place because of the gig fault, lesson written in blood requires us must solve the vacant problem of taking precautions against slide rope accident of cage crashing as early as possible.
The multi-rope friction type hoisting way can effectively be taken precautions against disconnected the rope and weigh down jar, and in recent decades, multi-rope friction type mine hoisting technical development both at home and abroad is very fast with application; The many newly-built big-and-middle-sized mines of China have adopted the multi-rope friction type elevator system; But because multi-rope friction type elevator system investment cost is bigger, generally adopt at the bigger deep-well of range of lift, present most of mines all still adopt the single-rope hoisting mode; Particularly middle-size and small-size mine and superficial mine; All be to adopt single-rope hoisting, therefore, taking precautions against the mine hoisting accident of cage crashing will be the outstanding emphasis of safety manufacture supervising always.
In addition; When jar is weighed down in the descending generation in service of cage, because the existing speed of cage and the acceleration due to gravity effect in the arresting agency empty stroke time, the speed of tenesmus cage was with higher when falling protector was arrested; For taking precautions against the excessive infringement of the deceleration/decel occupant health of tenesmus cage; After arresting agency is arrested cage, must carry out buffer-braking, cage is stopped after the deceleration/decel scope that allows runs slowly a segment distance again.Particularly in the bigger elevator system of hoisting speed, the buffer-braking after arresting is particularly important, otherwise, stopped though cage may take place, but still can not avoid the accident of personal casualty.
In the parachute fender guard that uses now, general supporting employing steel cable spiral energy disperser.The principle of work of steel cable spiral energy disperser is through screw rod adjustment slide position; Compression is through brake wire between slide block and the fixed wheel chucking that deforms; After falling protector is arrested; Impulsive force drawing brake wire passes through from being out of shape between slide block and the fixed wheel, and the drawing deformation resistance of brake wire absorbs the impulsive force buffer-braking.Because the mine usage condition is harsh; Brake wire is because of using and wearing out and impel corrosion, damage and rush-resisting material variation etc.; Resistance to deformation when directly influencing the brake wire drawing; Steel cable spiral energy disperser exists the uncertain problem of braking force, and the braking force of steel cable spiral energy disperser is difficult to accurate demarcation at the use scene.In a single day at present, the buffer distance that many mine parachute protection systems detect test at the scene is less than normal, has energy disperser braking force problem bigger than normal, if rope-broken accident takes place, possibly cause the excessive infringement of deceleration/decel occupant's healthy accident.The AQ2019-2008 that China implemented on January 1st, 2009 " metal and nonmetal vertical shaft for mine elevator system falling protector safety performance detects inspection specification "; Deceleration/decel in the falling protector braking procedure has been stipulated concrete technical requirement; In order to make the energy disperser braking force reach the technical requirement of safety standard regulation; Take precautions against the excessive infringement of disconnected rope braking deceleration occupant's healthy accident; Must solve the present uncertain problem of steel cable spiral energy disperser braking force and use on-the-spot accurately detection problem, and enough buffer-braking distances are arranged, braking force is easy to adjust.
Summary of the invention
The object of the present invention is to provide a kind of mine single-rope hoisting balance wheel brake rope anti-case-crashing device; Adopt new anti-falling protection principle; In existing single-rope hoisting system; Set up balance wheel check band autobrake fall-preventing protection device; Make single-rope hoisting realize many rope anti-falling protections, both kept the few advantage of single-rope hoisting investment cost, possess many rope anti-falling protection safety performances again; Safe reliability is strong; Can thoroughly solve above-mentioned present falling protector system and exist disconnected rope to weigh down jar or slip and problem that falling protector is failure to actuate possibly take place when rope weighs down jar with the energy disperser braking force is uncertain and using the on-the-spot problem that is difficult to accurately demarcate the energy disperser braking force, and applied widely, both be applicable to all mine design that meet multi-rope friction type elevator system application conditions application; Be applicable to that also the New Built Mine elevator system design that the two cage list levels of single-rope hoisting system promote or the double hook counterweight promotes uses, also be specially adapted to existing single-rope hoisting system and possess that two cage list levels promote or the double hook counterweight promotes and shaft section can arrange that the mine of check band carries out anti-fall jar safety upgrade technological change.
Main technical schemes of the present invention is: the mine single-rope hoisting balance wheel brake rope anti-case-crashing device; Comprise lifting container, hoisting rope, lifting drum; It is characterized in that lifting container passes through 2 above check bands, cooresponding balance wheel more than 2 promotes equalizing reservoir (also can be another lifting container) with another and links to each other; Lifting container, promote equalizing reservoir all through hoisting rope forward and oppositely be wrapped on the lifting drum respectively; Each balance wheel is installed on the balancing axle, and on the elastic bearing device, the wheel rim of balance wheel is provided with the friction braking face to balancing axle through bearing installation; Be provided with damper brake below the balance wheel, free stroke distances arranged at the friction braking face above-below direction of damper brake and balance wheel.
Described damper brake links to each other with the braking force autobalance.
Described braking force autobalance can be the formula bull stick structure that is twisted together.
It is better that the described formula bull stick structure that is twisted together is provided with lock seat upright position setting device.
Described elastic bearing device is automatically unloading formula hydraulic pressure supporting mechanism or the automatically-unhooked mechanism of spring.
Described elastic bearing device is provided with spring and support upright position adjusting mechanism is better.
Described check band is provided with rope device better.
Maximum elastic force in the described elastic bearing device busy travel range, or the setting bearing force of automatically unloading formula hydraulic pressure supporting mechanism or the automatically-unhooked mechanism of spring are all less than the balancing gravity between lifting container and the lifting equalizing reservoir.
The friction force of described check band and balance wheel grooving is all greater than the friction braking face of balance wheel and the friction force between brake block.
Good effect of the present invention is: can effectively solve the problem that exists in the prior art; Make single-rope hoisting adopt many rope anti-falling protections; Both kept the few advantage of single-rope hoisting investment cost; Possess many rope anti-falling protection safety performances again; Safe reliability is strong; Can thoroughly solve above-mentioned present falling protector system and exist disconnected rope to weigh down jar or slip and problem that falling protector is failure to actuate possibly take place when rope weighs down jar with the energy disperser braking force is uncertain and using the on-the-spot problem that is difficult to accurately demarcate the energy disperser braking force, and applied widely, both be applicable to all mine design that meet multi-rope friction type elevator system application conditions application; Be applicable to that also the New Built Mine elevator system design that the two cage list levels of single-rope hoisting system promote or the double hook counterweight promotes uses, also be specially adapted to existing single-rope hoisting system and possess that two cage list levels promote or the double hook counterweight promotes and shaft section can arrange that the mine of check band carries out anti-fall jar safety upgrade technological change.Be characterized in:
1, advanced technology
(1) balance wheel brake rope anti-case-crashing device of the present invention has become single-rope hoisting into many ropes falling-proof safety form, has kept the less advantage of single-rope hoisting system investment.When disconnected rope takes place or slips rope in hoisting rope, rely on 2 or 2 above check bands that the cage of tenesmus is braked, possessed the security advantages of multi rope winding, safe reliability is strong, can reliably take precautions against the disconnected rope and the accident of cage crashing of restricting that slips.Balance wheel is a light running with check band during normal operation, stressed little, wearing and tearing are little, check band tension adjustment, check band to rope transfer restrict and the damper brake idle travel easy to adjust, maintenance requirement is easier than multi rope winding system.According to the multi rope winding safety theory; Adopt balance wheel brake rope anti-case-crashing device of the present invention; Can falling protector be set no longer in addition, avoid present falling protector system problem the problem includes: disconnected rope weighs down jar or slips falling protector be failure to actuate problem and the problem that the energy disperser braking force is uncertain and using the scene to be difficult to accurately to demarcate the braking force of energy disperser possibly take place when rope weighs down jar.
(2) when disconnected rope takes place or slips rope in hoisting rope; Balancing gravity between two lifting containers is compression balance wheel elastic bearing device earlier, and balance wheel is moved downward, and remaining then balancing gravity remakes to be used on balance wheel friction braking face and the brake block and produces friction brake force; Has buffer action; And stopping distance can be longer, and the cage safety and steady of can realizing dropping braking prevents that the excessive infringement of deceleration/decel occupant is healthy; Possess desirable safety guard-safeguard usefulness, and safety guard-safeguard performance index is convenient to security control detection check at the use scene.
(3) the elastic bearing device adopts automatically unloading formula hydraulic pressure supporting mechanism or the automatically-unhooked mechanism of spring, can lick the balance wheel brake rope anti-case-crashing device and the mistake of gig to put to protect to combine, and implements integrated protection or back-up protection.
(4) adopt balance wheel brake rope anti-case-crashing device of the present invention, can realize after the disconnected rope of lifting container or the rope autobrake of slipping are parked in the pit shaft, utilize safety to put jar control setup and steadily broadcasting perch, be convenient to the rescue personnel and keep in repair with recovering.
(5) balance wheel can reduce the partial tension of hoisting rope, the safety that improves elevator system when normal the lifting.After this balance wheel brake rope anti-case-crashing device is adopted in existing single-hoisting mine transformation, not only improved safety, also reduced power, reduce energy resource consumption.
2, applied widely
This balance wheel brake rope anti-case-crashing device is applied widely; Be applicable to all mine design that meet multi-rope friction type elevator system application conditions application; Be applicable to that also the New Built Mine elevator system that the two cage list levels of single-rope hoisting system promote or the double hook counterweight promotes designs application, be applicable to also especially that also existing single-rope hoisting system possesses two cage list levels liftings or the lifting of double hook counterweight and shaft section and can arrange that the mine of check band carries out anti-fall jar of safety upgrade technological change.China has vast territory, rich in minerals, the mine is numerous, shaft hoisting mine quantity is very big, the application market of this balance wheel brake rope anti-case-crashing device will be very big.
3, installation and investment for trnasforming urban land are less
Though can effectively taking precautions against disconnected rope, the multi-rope friction type hoisting way weighs down jar; But multi-rope friction type elevator system investment cost is bigger, and general middle-size and small-size mine all still adopts the single-rope hoisting mode at present, and many mine main also all are the single-rope hoisting systems that builds up in the past greatly; On economic technology, should not be transformed into multi-rope friction type promotes; From now in for a long time, the single-rope hoisting system invests less hoisting way as a kind of, will and deposit with the multi-rope friction type hoisting way; Particularly will be in the highest flight at middle-size and small-size mine, therefore taking precautions against the single-rope hoisting accident of cage crashing will be giving top priority to what is the most important for a long time of mine hoisting security control.It is less to use investment of this balance wheel brake rope anti-case-crashing device and over-the-road expense, is the preferential selection that new well promotes design, the transformation of old well single-rope hoisting safety upgrade.
4, social benefit is big
Balance wheel brake rope anti-case-crashing device of the present invention; Brake cage in the time of can and slipping rope bob jar at generation disconnected rope bob jar reliably, reposefully; Reach the safety of multi-rope friction type hoisting way, and can pass through appropriate design, prevent that the excessive infringement of deceleration/decel occupant is healthy; Reduce the tension force of hoisting rope, can effectively take precautions against disconnected rope and slip the rope accident of cage crashing.And balance wheel is missed braking cause the sliding rope accident of check band slack rope that the actv. countrmeasure is also arranged.After using this balance wheel brake rope anti-case-crashing device, ensured on technical equipment and taken precautions against the disconnected rope and the accident of cage crashing safety of restricting of slipping that avoid promoting and weigh down a jar pernicious casualty accident, social benefit is huge.
5, good in economic efficiency
In balance wheel brake rope anti-case-crashing device of the present invention was applied, from designing, make, be transported to installation, production and operation enterprise can produce big profit and tax revenue, and economic benefit is obvious.
Be described further below in conjunction with accompanying drawing and embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 is that 1 liang of rope of embodiment of the invention balance wheel check band lifting container (anti-fall jar) promotes structural representation.
Fig. 2 is that the embodiment of the invention 2 four rope balance wheel check band lifting containers (anti-fall jar) promote structural representation.
Structural representation when Fig. 3 is arranged on the hoist(ing) pulley top for the balance wheel among the present invention.
Fig. 4 is arranged on hoist(ing) pulley top, the structural representation when check band and hoist(ing) pulley are staggeredly arranged for the balance wheel among the present invention.
The semisectional view of Fig. 5 during for the mutual alignment of brake block among the present invention and balance wheel friction braking face.
Fig. 6 is the A-A cutaway view of Fig. 5.
In the accompanying drawing: 1, hoisting rope; 2, balance wheel; 3, friction braking face; 4, balancing axle; 5, elastic bearing device; 6, support upright position setting device; 7 damper brakes; 8, check band; 9, hoist(ing) pulley; 10, brake block; 11, braking force autobalance; 12, lock seat upright position setting device; 13, to rope device; 14, promote connecting device; 15, cage hoisting connecting rod; 16, check chain anchor; 17, lifting container; 18, lifting drum, 19, promote equalizing reservoir (also can be another lifting container).
The specific embodiment
Shown in accompanying drawing 1, balance wheel brake rope anti-case-crashing device of the present invention is made up of balance wheel 2, balancing axle 4, elastic bearing device 5, damper brake 7, check band 8, lifting connecting device 14 etc.; Balance wheel 2 is provided with two; Respectively hang a check band 8 on two balance wheels 2; Article two, check band 8 is one group on the both sides of balance wheel 2 with phase the same side; Parallelly connected with hoisting rope 1 on lifting container 17 and balance lifting container 19 by promoting connecting device 14 respectively, promoting connecting device 14 is triangle cross-arm formula; Article two, hoisting rope 1 forward and oppositely being wrapped on the lifting drum 18 respectively; Balanced hoisting container 19 also can be a counterweight; Balance wheel 2 is installed on the balancing axle 4, and balance wheel 2 can freely rotate on balancing axle 4; Balancing axle 4 is installed on the elastic bearing device 5; Elastic bearing device 5 is provided with support upright position setting device 6, and the position of elastic bearing device 5 can up-down adjustment; The maximum elastic force of elastic bearing device 5 in the forced stroke scope is less than the balancing gravity between two lifting containers; The wheel rim of balance wheel 2 is provided with friction braking face 3; Damper brake 7 be arranged on balance wheel 2 below; The friction braking face 3 of balance wheel 2 is corresponding about in the of 10 with brake block; Brake block 10 leaves the idle travel distance with friction braking face 3 above-below directions of balance wheel 2, can free up-and-down movement apart from inner equilibrium wheel 2 at idle travel.On damper brake 7, be provided with link-type braking force autobalance 11; Lock seat upright position setting device 12 also is set on damper brake 7, and the position of damper brake 7 can be adjusted up and down; Also be provided with rope device 13 in check band 8 junctions, check band 8 can be adjusted alignment.
Shown in accompanying drawing 1, balance wheel 2, balancing axle 4, elastic bearing device 5 and damper brake 7 Compositional balances wheel automatic brake arrangement are installed in the below of hoist(ing) pulley 9, or are installed in the top of hoist(ing) pulley 9; Through rope device 13 adjustment check bands 8 are alignd; Through the upright position of support upright position setting device 6 adjustment balance wheel automatic brake arrangements, the tensile force of adjustment balance wheel 2 stretching check bands 8 makes check band 8 non-slip in grooving when driving balance wheel 2 rotations; Through the upright position of lock seat upright position setting device 12 adjustment damper brakes 7, the friction braking face 3 of adjustment balance wheel 2 and the idle travel distance of brake block 10 at above-below direction.
Shown in accompanying drawing 2, for adopting the balance wheel brake rope anti-case-crashing device of four balance wheels 2 and four check bands 8, increase the rope footpath that check band quantity can reduce check band, increase safety.
Shown in accompanying drawing 3, balance wheel 2 is provided with above hoist(ing) pulley 9, is applicable to utilize existing derrick transformation to use balance wheel brake rope anti-case-crashing device.
As shown in Figure 4, balance wheel 2 setting of above hoist(ing) pulley 9, staggering promotes connecting device 14 and is provided with sideling, and check band 8 and hoist(ing) pulley 9 are staggered in the lifting section.
Like Fig. 5, shown in Figure 6; Friction braking face 3 on balance wheel 2 wheel rims is arranged on balance wheel wheel rim both sides from high gradually inwards inclined-plane, outer radially; Brake block 10 is friction braking face 3 mutual cooresponding inclined-planes on two sides and the balance wheel 2; 2 friction braking face 3 tightly is stuck in the brake block 10 on the glancing impact balance wheel, and frictional area is bigger, and braking is reliable.Among the figure: 4, balancing axle; 7, damper brake; 8, check band.
In the above-described embodiments; When hoisting rope 8 disconnected rope took place or slips rope, lifting container 17 diminished with pulling force or pulling force that balance lifting container 19 loses hoisting rope 1, and the balancing gravity between lifting container 17 and the balance lifting container 19 is through check band 8, balance wheel 2, balancing axle 4 compression balance wheel elastic bearing devices 5; Balance wheel 2 is moved downward; The brake area 3 of balance wheel 2 drops on the brake block 10, and remaining balancing gravity acts on balance wheel friction braking face 3 and the brake block 10, produces friction brake force; Make balance wheel 2 brakings, thereby make lifting container 17 and balance lifting container 19 stop tenesmus.Because balance wheel 2 friction braking faces 3 can calculate setting on request with the friction force of brake block 10; And stopping distance can be longer; Therefore the foregoing description is when disconnected rope takes place or slips rope in hoisting rope 1; Can realize making the lifting container 17 and the braking of balance lifting container 19 safety and steadies of tenesmus, effectively take precautions against disconnected rope or slip the rope accident of cage crashing.
In the above-described embodiments; Balance wheel 2, balancing axle 4, elastic bearing device 5, support upright position setting device 6, damper brake 7, brake block 10, braking force autobalance 11, lock seat upright position setting device 12 etc.; Form a cover balance wheel and brake 0 operatorless device; Be installed in the below of hoist(ing) pulley 9, or be installed in the top of hoist(ing) pulley 9; Through the upright position of support upright position setting device 6 adjusting elastic bearing devices 5 and balance wheel 2, the tensile force of adjustable whole balance wheel 2 stretching check bands 8 makes check band 8 non-slip in grooving when driving balance wheel 2 rotations; Through the upright position of lock seat upright position setting device 12 adjusting damper brakes 7, can adjust the idle travel distance of damper brake; Through regulating, can adjust alignment check band 8 to rope device 13.
In the above-described embodiments; When disconnected rope takes place or slips rope in hoisting rope; Lifting container 17 diminishes with pulling force or pulling force that balance lifting container 19 loses hoisting rope 1, and the balancing gravity between lifting container 17 and the balance lifting container 19 moves downward balance wheel 2 through check band 1, balance wheel, balancing axle 4 compression balance wheel elastic bearing devices 5; The brake area 3 of balance wheel 2 contacts with brake block 10; Behind the balancing gravity compression balance wheel elastic bearing device 5, remaining balancing gravity produces friction brake force on balance wheel friction braking face 3 and brake block 10, make balance wheel 2 brakings.
In the above-described embodiments; The maximum elastic force of elastic bearing device 5 in the forced stroke scope; And the difference of balancing gravity acts on the friction force that produces on balance wheel friction braking face 3 and the brake block 10 between lifting container 17 and the balance lifting container 19; Be disconnected rope back lifting container 17 and balance lifting container 19 more than 2 times of biggest quiet tension difference on two hoisting ropes 1, guarantee balancing gravity elasticity of compression bearing arrangement 5 safety arrestments between lifting container 17 and the balance lifting container 19.In practical implementation, the braking force safety multiple should meet the safety requirements of safety standard.
In the above-described embodiments; Make glancing impact check band 8 at the friction force of balance wheel 2 groovings greater than the friction force of balance wheel friction braking face 3 with brake block 10; Glancing impact check band 8 is non-slip in the grooving of balance wheel 2; Guarantee that lifting container 17 and balance lifting container 19 do not fall, and the grooving and the check band 8 of protection balance wheel 2 are not impaired because of sliding.In practical implementation, skidproof safety factor should meet the safety requirements of safety standard.
In balance wheel brake rope anti-case-crashing device of the present invention, support upright position setting device, lock seat upright position setting device and rope device adopted screw mechanism or hydraulic gear are convenient to operation and control.
In balance wheel brake rope anti-case-crashing device of the present invention, also be provided with check chain anchor in the junction of lifting container and check band, take precautions against cage hoisting connecting rod fault.
In balance wheel brake rope anti-case-crashing device of the present invention; When the elastic bearing device adopts automatically unloading formula hydraulic pressure supporting mechanism or the automatically-unhooked mechanism of spring; When hoisting rope disconnected rope took place or slips rope, automatically unloading formula hydraulic pressure supporting mechanism automatically unloading or support spring were automatically-unhooked, and all effect is down for the balancing gravity between two lifting containers; Balance wheel friction braking face drops on the brake block, produces bigger friction brake force.
In balance wheel brake rope anti-case-crashing device of the present invention, when disconnected rope of lifting container or slide rope back autobrake, it is normal condition that the hoisting rope that is connecting on the lifting container of rising dish on the lifting container top falls; Play braking effect; If the hoisting rope that is connecting is mixed the lifting container of living in to rise, lifting container will be braked in advance and be parked in the pit shaft, when disconnected rope of certain bar hoisting rope or slide rope; Another hoisting rope is not disconnected still when promoting operation; To propose lifting container rising operation, action of gravity will make the lifting container of the disconnected rope of another side descending, and be in braking mode as if damper brake this moment; Check band is Frictional Slipping slide rope in the balance wheel grooving then, will damage balance wheel grooving and check band; When hoisting rope normally moves, if the mistake braking takes place balance wheel, check band will be slided rope in the balance wheel grooving, cause sliding rope damage balance wheel grooving of check band and check band for taking precautions against the braking of balance wheel mistake.In this project balance wheel brake rope anti-case-crashing device, cause accident for taking precautions against above-mentioned faulty condition, should between balance wheel and hoisting rope, failure detector be set, combine with the safety guard-safeguard of gig, Hoist Emergency Braking was stopped when above-mentioned fault took place.
In balance wheel brake rope anti-case-crashing device of the present invention; But safety is set on the balance wheel automatic brake arrangement puts a jar control mechanism; After autobrake is parked in the pit shaft behind disconnected rope of lifting container or the slide rope, implement lifting container and steadily broadcast perch, be convenient to the rescue personnel and keep in repair with recovering.
Claims (9)
1. mine single-rope hoisting balance wheel brake rope anti-case-crashing device; Comprise lifting container (17), hoisting rope (1), lifting drum (18); It is characterized in that lifting container (17) promotes equalizing reservoir (19) through 2 above check bands (8), cooresponding balance wheel (2) more than 2 with another and links to each other; Lifting container (17), promote equalizing reservoir (19) all through hoisting rope (1) forward and oppositely being wrapped on the lifting drum (18) respectively; Each balance wheel (2) is installed on the balancing axle (4); On elastic bearing device (5), the wheel rim of balance wheel (2) is provided with friction braking face (3) to balancing axle (4) through bearing installation, is provided with damper brake (7) below the balance wheel (2); Damper brake (7) is free stroke distances with friction braking face (3) above-below direction of balance wheel (2), and the friction force of check band (8) and balance wheel (2) grooving is all greater than the friction braking face (3) of balance wheel (2) and the friction force between brake block (10).
2. mine single-rope hoisting balance wheel brake rope anti-case-crashing device according to claim 1 is characterized in that described damper brake (7) links to each other with braking force autobalance (11).
3. mine single-rope hoisting balance wheel brake rope anti-case-crashing device according to claim 2 is characterized in that described braking force autobalance (11) is the formula bull stick structure that is twisted together.
4. mine single-rope hoisting balance wheel brake rope anti-case-crashing device according to claim 3 is characterized in that the described formula bull stick structure that is twisted together is provided with lock seat upright position setting device (12).
5. mine single-rope hoisting balance wheel brake rope anti-case-crashing device according to claim 1 is characterized in that described elastic bearing device (5) is provided with support upright position adjusting mechanism (6).
6. mine single-rope hoisting balance wheel brake rope anti-case-crashing device according to claim 1 is characterized in that described elastic bearing device (5) is an automatically unloading formula hydraulic support device.
7. mine single-rope hoisting balance wheel brake rope anti-case-crashing device according to claim 1 is characterized in that described check band (8) is provided with rope device (13).
8. mine single-rope hoisting balance wheel brake rope anti-case-crashing device according to claim 1; It is characterized in that the maximum elastic force of described elastic bearing device (5) in the forced stroke scope, all less than the balancing gravity between lifting container (17) and the lifting equalizing reservoir (19).
9. mine single-rope hoisting balance wheel brake rope anti-case-crashing device according to claim 1 is characterized in that described balance wheel (2) is in the below or the top setting of hoist(ing) pulley (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910175426XA CN101723219B (en) | 2009-11-17 | 2009-11-17 | Mine single-rope hoisting balance wheel brake rope anti-case-crashing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910175426XA CN101723219B (en) | 2009-11-17 | 2009-11-17 | Mine single-rope hoisting balance wheel brake rope anti-case-crashing device |
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| CN101723219A CN101723219A (en) | 2010-06-09 |
| CN101723219B true CN101723219B (en) | 2012-11-07 |
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| CN104590974A (en) * | 2014-11-28 | 2015-05-06 | 中信重工机械股份有限公司 | Multi-rope composite type mine elevator |
| CN104803309A (en) * | 2015-04-22 | 2015-07-29 | 福建省意科电气科技有限公司 | Balanced two-way transfer lifting device |
| CN110921469A (en) * | 2019-12-11 | 2020-03-27 | 中国矿业大学 | Ultra-deep well friction lifting system capable of eliminating stress fluctuation and use method |
| CN111302180A (en) * | 2020-03-20 | 2020-06-19 | 山东星斗智能设备有限公司 | Tractor underlying elevator for building construction and method for preventing cage from falling |
| CN112173930B (en) * | 2020-09-17 | 2022-02-25 | 高企达电梯(江苏)有限公司 | Integrated rope reel for indoor construction elevator |
| CN114319829A (en) * | 2022-02-10 | 2022-04-12 | 青岛前盛业建设工程有限公司 | Regulation type anti-falling device for construction with bottom buffer protection |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032923A (en) * | 1987-10-31 | 1989-05-17 | 四川省威远煤矿 | Apparatus using frictional safety cord to prevent fast drop |
| CN2050032U (en) * | 1989-06-17 | 1989-12-27 | 中国矿业大学 | Safety stop device for lifting container |
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- 2009-11-17 CN CN200910175426XA patent/CN101723219B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032923A (en) * | 1987-10-31 | 1989-05-17 | 四川省威远煤矿 | Apparatus using frictional safety cord to prevent fast drop |
| CN2050032U (en) * | 1989-06-17 | 1989-12-27 | 中国矿业大学 | Safety stop device for lifting container |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-343082A 1999.12.14 |
Also Published As
| Publication number | Publication date |
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| CN101723219A (en) | 2010-06-09 |
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