CN102674118A - Elevator traction machine of steel wire rope antiskid device - Google Patents
Elevator traction machine of steel wire rope antiskid device Download PDFInfo
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- CN102674118A CN102674118A CN2012100481182A CN201210048118A CN102674118A CN 102674118 A CN102674118 A CN 102674118A CN 2012100481182 A CN2012100481182 A CN 2012100481182A CN 201210048118 A CN201210048118 A CN 201210048118A CN 102674118 A CN102674118 A CN 102674118A
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- elevator
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Abstract
The invention relates to an elevator traction machine of a steel wire rope antiskid device. The elevator traction machine comprises a main body of the elevator traction machine, a traction sheave, a steel wire rope, a brake pad, a brake shoe, an upright column, a compressing plate, a regulating nut, an electromagnet and an electromagnetic coil. The elevator traction machine is characterized in that a danger emergency protective device is arranged on the traction machine; the danger emergency protective device comprises the brake pad, the brake shoe, the upright column, the compressing plate, a compression spring, the electromagnet and the electromagnetic coil; the brake pad can be made of a composite engineering material or metal material with high frictional factors; the electromagnetic coil can adopt a single-coil or multi-coil manner; the compressing plate can adjust the size of the frictional force through the upright column and the regulating nut when the device works; and the elevator traction machine can lead the working process of an elevator to be safer and reliable and has simple structure and good implementing effect.
Description
Technical field
The present invention relates to a kind of elevator traction machine, particularly a kind of elevator traction machine of steel rope anti-skid device belongs to elevator and makes the field.
Background technology
Install at existing elevator and to make, the sliding problem of steel rope does not still have effective solution, because elevator is in the course of the work as when occurring having a power failure; Elevator moment braking, at this moment car will produce a very big impulsive force, certainly will cause personal security hidden danger; Thereby in the elevator design process for preventing this phenomenon; Adopt steel rope to skid and cushion, when not enough or traction race weares and teares when the friction force of steel rope and traction sheave, just cause coaster; Particularly when the flat bed personnel pass in and out; Make a forcible entry into and just cause slide to be caused danger in case get into overstaffed at this moment weigh warning device error or some people, the elevator safety accident is weightless by weight balancing and accident appears in coaster power when making the traction sheave friction force stop weightlessness mostly in the world at present.Also have since the ladder length of service increase the traction sheave friction coefficient reduce also cause the elevator coaster to weigh down terraced phenomenon easily.Existing elevator is equipped with safety tongs and velocity limiter, when elevator is in overload condition, when the friction force of steel rope and traction race is not enough; Slide car phenomenon will be produced, danger maybe be caused, or when elevator normally moves; Suddenly have a power failure, drg is held brake wheel tightly, and steel rope is because action of inertia; Can produce slip car, the safety tongs that elevator was equipped with and the principle of work of velocity limiter are when the steel rope running velocity surpasses 1.25 times of elevator normal operating speed, velocity limiter work at this moment; The pulling apparatus of the steel rope pulling safety tongs of velocity limiter makes safety tongs block cage guide, makes car force stop motion.If elevator when the middle part, slips vehicle speed above the work speed of setting, then velocity limiter will work.But when elevator moves to top layer; Then the velocity limiter of this moment will not worked; And can only rely on the towing machine protection device for over-speed ascending; And protection device for over-speed ascending can only work to brake wheel and relies on the steel rope and the friction force of traction sheave to work, and the friction force of steel rope and traction sheave can not be too big, as if the too big buffering that then can influence the power failure glancing impact.Like this, with the danger that causes car to rush to summit.When elevator comes downwards to bottom, sudden power, at this moment, though velocity limiter has work, but because the relation of distance can't reach the operation point, so velocity limiter is inoperative.Then car will have the danger at the end of squatting.When serious, will cause life danger.Simultaneously, when elevator overloads, and the overload weighting apparatus is malfunctioning, this moment if during the equilibrium relation of car and counterweight then steel rope will in the traction race, do accelerated movement, safety misadventure will take place in the time of seriously.When particularly the work of velocity limiter was out of control, the present invention then played a good second protection effect, and the present invention can be used as steel rope anti-hopping device again.
Summary of the invention
The objective of the invention is to overcome existing technical deficiency; A kind of elevator traction machine of steel rope anti-skid device is provided; The anti-skid device of steel rope is set in directly over the traction sheave; Between traction sheave and guide wheel, extract required linear velocity potential difference signal, generally be set between the 0.1-2m when the potential difference value surpasses the set definite value of system, anti-skid device is in running order.Brake facing is moved downwards; A braking force is forced on steel rope surface to the traction sheave top; Moment suddenly increases the friction force between traction sheave and the steel rope; Steel rope stops to slide immediately; Trigger control system simultaneously and make the towing machine band-type brake be in braking state to reach anti-sliding stop and weigh down this device of terraced incident and can not only solve steel rope over travel sliding problem, simultaneously owing to have the last one positive pressure so not only to increase traction sheave to the steel rope surface friction force while of steel rope have been increased drg again the relative motion friction force between the steel rope traction sheave is played the auxiliary braking effect.Can solve elevator because the slide car that the friction force deficiency causes by actv.; Cause the end phenomenon of rushing to summit or squat; Also has the auxiliary brake function under the specified conditions simultaneously; The signal collection point then has hypervelocity sampling feedback when the traction machine brake braking function goes wrong, and then this device work realizes that to the braking of traction sheave steel rope surface auxiliary braking plays the second protection effect.This device is not only reliable, simple in structure, implementation result is good.
The invention has the advantages that:
1,, elevator stops suddenly when moving to the middle part; Do not work as if velocity limiter this moment; Then the present invention will give signal of controller chassis and when surpass setting mode of operation, make the work of this device at the shift length that slides that collects steel rope between guide wheel and the traction sheave; Cut off the electricity supply simultaneously and make the traction machine brake action; Play double protection functions, described steel rope is anti-skidding to be to gather signal according to the shift length between guide wheel and the traction sheave to surpass between the setting value 0.1-0.2m, and the given magnet stopper work of mainboard signal is realized braking.
2, when ascending for elevator, velocity limiter is inoperative, if when the friction force of steel rope and traction race is not enough, the present invention at this moment will play defencive function through the signal feedback.
3, when elevator comes downwards to bottom if occur to slip car, this moment, then velocity limiter was not worked because the operation condition of acceleration/accel out of reach velocity limiter, the present invention can solve this moment over travel and slip at the bottom of the crouching that car causes dangerous.
When 4, overload weighting apparatus malfunctioning personnel make a forcible entry into when Elevator landing overloads this moment car and counterweight when weightlessness occurring and coaster occurring, work of the present invention is braked, and plays multiple protection functions.
5, change when friction force occurring coaster reduce taking place when the friction force between permanent traction sheave of elevator length of service and the steel rope, the present invention is in running order to brake.
6, the brake mode of the present invention's employing has two kinds, and the one, electromagnetic braking direct-type mode, the 2nd, electromagnetic braking side direction cable-stayed type mode.
7, the present invention adopts mechanical skewback to lean on electromagnetic force tiltedly to draw the spring force braking, and the electromagnetic braking mode is adopted in braking, and mode of operation is simple and practical.
8, the present invention be between guide wheel and traction sheave corresponding 2 gather signal displacement numerical value and judge system works through mainboard, the mode of operation accuracy rate is high.
9, brake facing of the present invention can adopt the compound of high frictional behaviour to want the journey material, or the metallic material of high frictional behaviour, and brake facing is fixed on the brake shoe, can repeatedly change long service life.
10, brake shoe of the present invention carries out the adjustment of braking force through column and setting nut.
To achieve these goals; The elevator traction machine of a kind of steel rope anti-skid device of the present invention; Comprise: tractor main body, traction sheave, steel rope, brake facing, brake shoe, column, compressive plate, setting nut, magnet stopper, magnet coil, fixedly skewback, braking skewback, electromagnetism retracing spring, extension spring, magnet stopper base; It is characterized in that: said towing machine is provided with the anti-skidding danger of steel wire and should reaches fender guard and be fixed on the tractor main body; Through power supply drives magnet stopper work to magnet coil; Magnet stopper drives compressive plate, and compressive plate drives column, brake shoe, brake facing, downward service braking on traction sheave and steel rope.Brake facing is connected on the brake shoe through glue and rivet, and brake shoe is connected with column, is fixed on the compressive plate and works together.
The elevator traction machine of described a kind of steel rope anti-skid device; Brake facing adopts the composite material or the metallic material of high frictional behaviour; Described magnet coil can adopt the mode of unicoil or multi-thread circle, and described magnet stopper can adopt direct absorbing type braking or sloping block type braking.The size of the friction force when described compressive plate can be worked with setting device through column and setting nut.
The elevator traction machine beneficial effect of a kind of steel rope anti-skid device of the present invention is on towing machine, to be provided with the steel rope anti-skid device; Suction through magnet stopper with brake facing, brake shoe and column under the effect of magnet stopper; Brake facing, brake shoe are held, thereby brake on steel rope, prevent steel rope over travel slide car to increase the effect of steel rope and friction force to the brake wire of traction sheave; And the dangerous situation that causes; This invention simultaneously also can solve because when descending, the problem that velocity limiter is not worked and maybe can't be worked also can solve because the slide car accident that overload feature lost efficacy and causes.Played auxiliary braking simultaneously and prevented the effect that steel rope is job-hoped, in addition, this apparatus structure is simple, and is easy to implement, and implementation result is good, has wide market application prospect.
Below in conjunction with accompanying drawing and practical implementation, the present invention is done further detailed description.
Description of drawings
Fig. 1, direct absorbing type assembly drawing;
Fig. 2, sloping block type braking assembly drawing;
Among the figure, 1 tractor main body, 2, traction sheave, 3, steel rope, 4, brake facing; 5, brake shoe, 6, column, 7, compressive plate, 8, setting nut, 9, compression spring; 10, magnet stopper, 11, magnet coil, 12, track adjusting wheel or counterweight wheel, 13, fixing skewback, 14, brake skewback; 15, electromagnetic braking retracing spring, 16, extension spring, 17, the magnet stopper permanent seat, 18. sampling points, 19. sampling points.
The specific embodiment;
The elevator traction machine of a kind of steel rope anti-skid device of the present invention; In Fig. 1 Fig. 2, comprise tractor main body, brake facing (4), brake shoe (5), column (6), compressive plate (7), setting nut (8), compression spring (9) or extension spring (16), magnet stopper (10) or directly suction or sloping block type and elevator associated components, steel rope and track adjusting wheel or counterweight wheel.
Embodiment one of the present invention adopts the direct absorbing type braking, on the track adjusting wheel of elevator, establishes a sampling point (18); And on towing machine, establish a sampling point (19), when elevator during, have a power failure suddenly in normal moving operation; Or because fault makes traction machine brake when work, traction sheave is slack, or rotates slightly; Car, steel rope, track adjusting wheel then can will work on owing to action of inertia, make traction sheave and steel rope skidding occur; When the distance of skidding surpass that national standard demarcates apart from the time, then rush to summit danger can occur if when car goes upward near top layer this moment; If car end phenomenon then can occur squatting when whereabouts are near bottom down, effect of the present invention is when above-mentioned phenomenon occurring; Because traction machine brake action can't be rotated traction sheave this moment traction sheave sampling point (18) invariant position; And because action of inertia, then sampling point (19) then along with the motion of steel rope and track adjusting wheel makes two distances between the sampling point then can be increasing, the present invention at this moment imports two distances between the sampling point in control system; Require and decide according to national standard; When the distance of two sampling points surpass set apart from the time, then system sends instruction and gives the power supply of the restraining coil (12) among the present invention, then restraining coil (12) will produce magnetic field and pass to electromagnet (11); Electromagnet (11) is under compressive plate (8) is inhaled in the effect in magnetic field; Compressive plate (8) is drawing column (7) with compression spring (10) to be inhaled brake shoe (5) and brake (4) down, with steel rope (3) braking, at this moment; Because the friction force between brake facing (4) and the steel rope (3) will make steel rope brake or slowly stop, play the car end accident of rushing to summit and squat that prevents.Simultaneously, when having a power failure suddenly when the normal operation of elevator, only need in controller chassis, adorn a backup power, as long as the steel rope over travel, and velocity limiter is not when working, and this device can play equally should reach protective effect.After elevator is braked, be in a safe condition following time, only need make the restraining coil outage through the knob that resets that recovers in the controller chassis, then compressive plate (8) can be under the application force of retracing spring (10), and column (7) and brake shoe (5) are stopped to change to be resetted.Then elevator will recover normal working.
In order to obtain a preferable braking force, can change the power of drg through the number of turn that changes brake coil, to change braking force at glancing impact.
For the friction force that increases glancing impact, the brake facing that brake facing (4) can adopt great friction coefficient, equally also can adopt the metallic composite of great friction coefficient, decide according to practical operation situation.
Above-mentioned brake facing (4) connects through glue and rivet, after brake facing (4) may wear to a certain degree, only needs to change brake facing (4), can long-time duty cycle operation.
Gap between above-mentioned described brake facing (4) and the traction sheave can be adjusted through setting nut, and when the setting nut clickwise, then the gap becomes big, otherwise then diminishes.
The elevator traction machine working process of a kind of steel rope anti-skid device of the present invention is following: this device is arranged at and drags machine machine main body (1) and traction sheave (2) top; Two axle sleeve holes are set on tractor main body (1). this device is connected with tractor main body (1) through column (6); Column (6) below is connected in brake shoe (5) and upward moves with column (6); Brake facing (4) is fixed in through rivet to be stopped) on the car hoof (5); And column (6) is connected with compressive plate (7), between compressive plate (7) and tractor main body (1), resets with extension spring (16), adjusts the gap between brake facing (4) and the traction sheave (2) through the setting nut (8) on the column (6).Between compressive plate (7) and tractor main body (1), a magnet stopper (10) is set, magnet stopper inside is provided with magnet coil (11) and electromagnet.After magnet coil (11) energising, make electromagnet produce magnetic field compressive plate (7) is inhaled down, compressive plate (7) drives column (6), brake shoe (5), brake facing (4), and extension spring (16) is depressed, and acts on the traction sheave steel rope, plays brake action.During work, traction sheave is braked, and steel rope skids; It is motionless that control system is checked through sampling point (18) position, and (19) some position of sampling increases, and makes two distances between the sampling point surpass the numerical value that is changed in the controller chassis; This signal feedback is in mainboard, and mainboard is given a signal, makes the contactless switch adhesive of restraining coil (12); Make restraining coil (12) energising, restraining coil (12) produces magnetic field, and conduction inhales compressive plate (8) down for braking iron (11); Compressive plate (8) drives column (7), hoof car hoof (5) and brake facing (4) steel rope is pushed down the friction force that can increase steel rope and traction sheave, also can start the effect of brake wire.Be in a safe condition following time, only need make the restraining coil outage through the knob that resets that recovers in the controller chassis, then compressive plate (8) can be under the application force of retracing spring (10), and column (7) and brake shoe (5) are stopped to change to be resetted.Then elevator will recover normal working.
Embodiment two of the present invention adopts the sloping block type braking, and this device is arranged at and drags machine machine main body (1) and traction sheave (2) top; Two axle sleeve holes and two anchor posts are set on tractor main body (1), and compressive plate (7) is fixed on the anchor post through nut, and brake facing (4) is fixed on the brake shoe (5) through rivet; Be connected with column (6), the axle sleeve hole that passes on the tractor main body (1) is connected with compressive plate (7), is provided with compression spring (9) between compressive plate (7) and the portable plate (20); In the middle of portable plate (20) and tractor main body (1), be provided with the sloping block type magnet stopper, magnet stopper is made up of fixedly skewback (13), braking skewback (14) and electromagnetic braking coil (11), after magnet coil (11) is switched on; Produce magnetic field and will brake skewback (14) extraction, with column (6), portable plate (20), brake shoe (5) and brake facing (4) be action downwards together under the effect of compression spring (9); Brake when on the traction sheave steel rope, working, traction sheave is braked, and steel rope skids; It is motionless that control system is checked through sampling point (18) position, and (19) some position of sampling increases, and makes two distances between the sampling point surpass the numerical value that is changed in the controller chassis; This signal feedback is in mainboard, and mainboard is given a signal, makes the contactless switch adhesive of restraining coil (12); Make restraining coil (12) energising; Restraining coil (12) produces magnetic field, and braking iron (11), the sucking-off of skewback push rod are given in conduction; Compressive plate (8) drive column (7), hoof car hoof (5) and brake facing (4) under the effect of compression spring are pushed down the friction force that can increase steel rope and traction sheave with steel rope, also can start the effect of brake wire.Be in a safe condition following time, only need make the restraining coil outage through the knob that resets that recovers in the controller chassis, then the skewback push rod embeds skewback under the effect of retracing spring and makes brake facing and steel rope disengaging in the skewed slot.Then elevator will recover normal working.
The present invention is simple in structure, and is easy to operate, and implementation result is good, and productive costs is low, and safe reliability is strong.The employing of the anti-skid device of steel rope can guarantee to have a power failure effective buffering in anxious stopping time is slided, and can guarantee the safety arrestment after surpassing certain value again.
More than be preferred embodiment of the present invention, all changes of complying with according to technical scheme of the present invention when the function that is produced does not exceed the scope of technical scheme of the present invention, all belong to protection scope of the present invention.
Claims (5)
1. the elevator traction machine of a steel rope anti-skid device; Comprise tractor main body, traction sheave, steel rope, brake facing, brake shoe, column, compressive plate, setting nut, magnet stopper, magnet coil, fixing skewback,, the braking skewback,, the electromagnetism retracing spring;, extension spring;, the magnet stopper base, it is characterized in that: said towing machine is provided with the anti-skidding danger of steel wire and should reaches fender guard and be fixed on the tractor main body, through power supply drives magnet stopper work to magnet coil; Magnet stopper drives compressive plate, and compressive plate drives column, brake shoe, brake facing, downward service braking on traction sheave and steel rope.Brake facing is connected on the brake shoe through glue and rivet, and brake shoe is connected with column, is fixed on the compressive plate and works together.
2. the elevator traction machine of a kind of steel rope anti-skid device according to claim 1; It is characterized in that: steel rope is anti-skidding to be to gather signal according to the shift length between guide wheel and the traction sheave to surpass between the setting value 0.1-0.2m, and the given magnet stopper work of mainboard signal is realized braking.
3. the elevator traction machine of a kind of steel rope anti-skid device according to claim 1 is characterized in that: adopt mechanical skewback to lean on electromagnetic force tiltedly to draw the spring force braking.
4. the elevator traction machine of a kind of steel rope anti-skid device according to claim 1 and 2 is characterized in that: brake facing is fixed on the brake shoe, can repeatedly change.
5. the elevator traction machine of a kind of steel rope anti-skid device according to claim 1 is characterized in that: brake shoe carries out the adjustment of braking force through column and setting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100481182A CN102674118A (en) | 2012-02-16 | 2012-02-16 | Elevator traction machine of steel wire rope antiskid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100481182A CN102674118A (en) | 2012-02-16 | 2012-02-16 | Elevator traction machine of steel wire rope antiskid device |
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| CN102674118A true CN102674118A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100481182A Pending CN102674118A (en) | 2012-02-16 | 2012-02-16 | Elevator traction machine of steel wire rope antiskid device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640951A (en) * | 2013-12-26 | 2014-03-19 | 浙江玛拓驱动设备有限公司 | Permanent magnet synchronous gearless traction machine |
| CN105565199A (en) * | 2016-03-03 | 2016-05-11 | 福安市广源机电有限公司 | Additional antiskid brake of elevator traction machine |
| CN105883530A (en) * | 2016-03-29 | 2016-08-24 | 苏州博量电梯科技有限公司 | Braking device and method for preventing elevator from accidentally moving |
| CN108002188A (en) * | 2018-01-02 | 2018-05-08 | 成都光华锦业教育咨询有限公司 | New no wirerope, without rack, chain emergency staircase |
| CN112845581A (en) * | 2021-01-18 | 2021-05-28 | 赛轮集团股份有限公司 | Electromagnetic force pressing plate device for ending of steel wire spindle |
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| CN101343009A (en) * | 2008-08-18 | 2009-01-14 | 中国矿业大学 | Slide wireless monitoring system of friction drive hoist and method thereof |
| CN202704753U (en) * | 2012-02-16 | 2013-01-30 | 郭自刚 | Elevator traction machine with steel wire rope antiskid device |
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| CN1330606A (en) * | 1998-12-23 | 2002-01-09 | 通力股份公司 | Holding brake for traction sheave elevator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640951A (en) * | 2013-12-26 | 2014-03-19 | 浙江玛拓驱动设备有限公司 | Permanent magnet synchronous gearless traction machine |
| CN103640951B (en) * | 2013-12-26 | 2016-02-17 | 浙江玛拓驱动设备有限公司 | A kind of permanent-magnet synchnorous gearless dragging machine |
| CN105565199A (en) * | 2016-03-03 | 2016-05-11 | 福安市广源机电有限公司 | Additional antiskid brake of elevator traction machine |
| CN105883530A (en) * | 2016-03-29 | 2016-08-24 | 苏州博量电梯科技有限公司 | Braking device and method for preventing elevator from accidentally moving |
| CN108002188A (en) * | 2018-01-02 | 2018-05-08 | 成都光华锦业教育咨询有限公司 | New no wirerope, without rack, chain emergency staircase |
| CN112845581A (en) * | 2021-01-18 | 2021-05-28 | 赛轮集团股份有限公司 | Electromagnetic force pressing plate device for ending of steel wire spindle |
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Application publication date: 20120919 |