CN1319550A - Bidirectional speed limiter for elevator - Google Patents
Bidirectional speed limiter for elevator Download PDFInfo
- Publication number
- CN1319550A CN1319550A CN 00105650 CN00105650A CN1319550A CN 1319550 A CN1319550 A CN 1319550A CN 00105650 CN00105650 CN 00105650 CN 00105650 A CN00105650 A CN 00105650A CN 1319550 A CN1319550 A CN 1319550A
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- clamping pliers
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Abstract
The present invention relates to a two-way speed-limiting device for elevator, and is characterized by that its brake device has a rope wheel, two ends of speed-limiting device rope are equipped with two pairs of rope grippers, its dynamic rope gripper is connected with two ends of a compression spring, and the end portion of dynamic rope gripper is hinged with cross member over the friction wheel and coupled. Said brake device also includes friction wheel which is coaxial withrope wheel, and the trigger device includes two flyirons, these two flyirons are hinged with two connecting bars, and made into the form of parallelogram. Two connecting bars are equipped with centrifugal spring and fork respectively, and the movement of flyiron makes fork trigger friction block and lock with friction wheel, and the flyiron can drive beating plate to trigger micro-action switch.
Description
The present invention relates to a kind of elevator governor.
Existing elevator governor all is a movement in one direction, just works during promptly descending hypervelocity.Usually adopt ratchet device, life period interval property when this mechanism moves from the theory design, when promptly moving, ratchet misses a hook tooth will wait until next hook tooth ability action message, few more its interval of tooth on the ratchet is big more, and the speed that elevator increases on this trip is big more.When general overspeed, can actv. stop car, but during with big slightly acceleration movement, may damage safety tongs at free fall or car, cause unnecessary loss.Existing velocity limiter adopts the vibrating mechanism of band spring, percussion lock forces ratchet to contact with rope sheave by the stupefied limit bump ratchet on the rope sheave, and such percussion lock is except that existing insecure factor, also have the same shortcoming of above-mentioned ratchet device, and its time gap is bigger.The rope gripper of existing velocity limiter has wheel brake type, voussoir clamping-rope type and wheel and the coefficient three kinds of forms of voussoir usually.The wheel brake type be by percussion lock by rope and the friction force of taking turns with the rope sheave stop, rope sheave is stressed bigger, certainly will quicken the wearing and tearing of velocity limiter, not only reduces the velocity limiter life-span, it lifts power and safety factor also reduces gradually.The voussoir clamping-rope type uses a pair of rope-clamping pliers, and rope-clamping pliers comprises moving rope-clamping pliers and quiet rope-clamping pliers, in the middle of governor rope is sandwiched in, starts safety tongs device by friction force, can only unidirectional speed limit.And also there is wheeled brake type defective in wheel with voussoir combined action form.In recent years, the descending elevator speed of car was generally accelerated, and it is more and more with up slide car accident to rush to summit, and this type of accident is also very big to the harm of the personnel in elevator and the car, is badly in need of the velocity limiter of a kind of bi-directional braking of development.
The purpose of this invention is to provide a kind of bidirectional speed limiter for elevator, all can reliably start the elevator safety forceps system, change the scarce limit that existing velocity limiter can only limit descending hypervelocity uplink and downlink slide car and free fall.
The technical scheme of bidirectional speed limiter for elevator of the present invention is: it comprises rope gripper and flip flop equipment, and the rope-clamping pliers of clamping rope sheave is arranged in the rope gripper, and rope-clamping pliers is made up of moving rope-clamping pliers and quiet rope-clamping pliers, it is characterized in that:
In the rope gripper, at the speed limit rope two ends of rope sheave a pair of rope-clamping pliers is arranged respectively, wherein two moving rope-clamping plierses are connected the two ends of a compression spring, the lagging hinge linkage on moving rope-clamping pliers end and the friction wheel;
Flip flop equipment comprises that two of being hinged on the rope sheave web fly iron, two fly iron becomes parallelogram with two rod hinge connections, be with centrifugal spring on two connecting rods and be connected with shift fork, fly the moving straight pin that makes on the shift fork disengagement friction shoe side of Railway transportation, torsion spring bonded assembly friction shoe and friction wheel locking on triggering and the web, friction shoe and rope sheave web are hinged;
Flying the iron edge has the iron screw that flies that can touch the major axis ridge when rotated, and makes major axis and the rotation that re-packs, and the percussion micro-switch re-packs.
Above-mentioned moving rope-clamping pliers is connected with a compression spring by the moving plate at hinged two quarter butts and compression spring two ends.
When above-mentioned shift fork had only one, only triggering a friction shoe became unidirectional velocity limiter.
One of them can put upside down commutation above-mentioned friction shoe, becomes unidirectional speed-limit device.
Above-mentioned major axis ridge is the screw of captiveing joint with major axis.
Above-mentioned friction shoe is that convex, concave shape, planar shaped or line contact with the contact surface of friction wheel.
Transverse slat avris on the above-mentioned friction wheel has a locating dowel pin.
A straight pin is arranged on the above-mentioned shift fork, and realize the upper and lower position of nut on connecting rod of the fastening shift fork of relative position scalable of shift fork and straight pin.
The relative position of above-mentioned shift fork and straight pin can cw or conter clockwise regulate, to obtain different command speves.
Working process of the present invention:
When normal rotation did not exceed the speed limit, rope sheave 27 together rotated with main shaft 32, and friction wheel 4 is by the transverse slat 31 of two rope-clamping pliers 2 upper ends and the mutual action transfixion of two locating dowel pins 6 on the friction wheel 4.It is motionless that moving rope-clamping pliers can be thrown off the registration device restriction.
When rope sheave 27 velocities of rotation reach setting speed, fly that screw 34 on the iron 21 stretches out and major axis 13 screwings 12 are collided, major axis 13 stressed rotations drive circle and re-pack and 17 trigger micro-switchs 16, and elevator traction machine is stopped operating.
When rope sheave 27 rotation, fly iron 21 and radially moved by centrifugal action, connecting rod 26 is also followed and is flown iron 21 and move, and the shift fork 19 on the connecting rod 26 moves up and down, and shift fork 19 just relatively moves with straight pin 14 on the friction shoe 3.When elevator speed rotates more and more sooner by governor rope drive governor sheave 27, it is just big more to fly the suffered centnifugal force of iron 21, finally make shift fork 19 increasing, throw off fully when reaching the speed of setting up in advance, finish the process that triggers friction shoe 3 with the relative displacement of straight pin 14.Contact with friction wheel 4 at a terrific speed after friction shoe 3 is triggered, constitute condition of self-locking, friction shoe 3 no longer includes relative displacement with friction wheel 4, and friction wheel 4 is driven with rope sheave 27 rotations by friction shoe 3.Friction wheel 4 rotary stopper pins 6 are depressed the moving rope-clamping pliers that governor rope moves downward a side, and will move rope-clamping pliers 2 and be pressed onto in the self-locking angular region.When rope-clamping pliers was depressed, governor rope was clipped between moving rope-clamping pliers 2 and the quiet rope-clamping pliers 1, by friction rope speed is reduced, and starts the safety tongs system.
Advantage of the present invention is: utilizes to fly the flip flop equipment that iron 21 drives shift fork 19, and simple in structure, sensitive, be easy to make and adjust.Compression spring 9, rope-clamping pliers 2 usefulness are had strong market potential 18 to be connected on the velocity limiter seat 20, and compression spring 9 fuses with moving plate 10, is easy to install.Adopt two to the less demanding rope-clamping pliers 2 of quality, flexibility and reliability, and a public compression spring 9 guarantees to press from both sides rope power.Adopt friction shoe and friction wheel self-lock mechanism to realize its function, and action is continuous, life period property at interval not, make the velocity limiter action more reliably, elevator is safer.Adopt the locating dowel pin 6 on the friction wheel to depress the transverse slat 31 of rope-clamping pliers 2 upper ends, moving rope-clamping pliers 2 clamps after the governor rope, and rope sheave 27 is just thrown off fully with transverse slat 31, has improved the force-bearing situation of each part of velocity limiter, reduce unnecessary wearing and tearing, also increase the life-span of velocity limiter.The present invention is suitable for instantaneous formula, progressive safety gear.
Below in conjunction with drawings and Examples the present invention is described in detail:
Fig. 1 is the right elevation of bidirectional speed limiter for elevator of the present invention.
Fig. 2 is the front view of bidirectional speed limiter for elevator of the present invention.
Fig. 3 is the left view of bidirectional speed limiter for elevator of the present invention.
Embodiment: as shown in Figure 1, rope gripper adopts the Wedge-type braking model, the folder rope section that makes rope-clamping pliers all the time with rope 25 keeping parallelisms, and strengthen the plane of action of folder rope, reduce destruction to rope as far as possible.Allow rope sheave after the action of folder rope, can improve the force-bearing situation of velocity limiter with the idle running continuously of restricting.Rope gripper uses two groups of moving rope-clamping plierses 2 and quiet rope-clamping pliers 1 to be installed in the two ends of governor sheave 27 respectively, each group rope-clamping pliers 2 and quiet rope-clamping pliers 1 symmetry are contained in governor rope 25 two ends, when rope-clamping pliers is depressed, governor rope 25 is sandwiched in the rope-clamping pliers, utilizes friction force to start the safety tongs system.Rope-clamping pliers and two quarter butts 7 are hinged, and quarter butt 7 and moving plate 10 had strong market potential and 18 be installed in rotation on the velocity limiter seat 20, and when moving rope-clamping pliers 2 was depressed, moving plate 10 moved compression spring 9 deformation in compressions to the centre.In the moving rope-clamping pliers 2 registration device 28 that can get loose is housed, just often, moving rope-clamping pliers 2 is maintained on the velocity limiter seat 20, and its end face and governor rope remain the distance of 2～3mm.If rope-clamping pliers 2 is clamped governor rope, lift the safety tongs system, but do not have stop elevator in very short distance, friction wheel 4 continues rotation with rope sheave 27, and the locating dowel pin 6 on the friction wheel 4 will interfere with the transverse slat of another rope-clamping pliers 2 upper ends.For the rotation that guarantees that friction wheel 4 can be continuous, it is 27 stressed that the marline that reduces to restrict is taken turns, the present invention is hinged with the transverse slat 31 usefulness pins 29 of rope-clamping pliers 2 upper ends, and do spacing with straight pin 30, make 6 dozens of locating dowel pins on the friction wheel 4 when transverse slat 31 lower surfaces, transverse slat 31 can be overturn over fast, allows rope sheave 27 continue rotation.
When friction shoe 3 is triggered with promptly locked after friction wheel 4 contacts, can not automatic release after triggering, need manually reset it.
As shown in Figure 2, major axis 13 runs through and is spacing on two risers 24, and the one end is equipped with a notched circle and re-packs 17, and a screw 12 is installed in the middle of it.When rope sheave 27 velocities of rotation reach setting speed, fly that screw 34 on the iron 21 stretches out and major axis 13 screwings 12 are collided, major axis 13 stressed rotations drive circle and re-pack and 17 trigger micro-switchs 16.
As shown in Figure 3, rope sheave 27 with fly iron 21 center bearing hinge connections, bearing hinge connection is used at two connecting rods 26 and two counterweight centers that fly iron 21 respectively, the composition parallelogram.Fix two shift forks 19 respectively with nut 11 on two connecting rods 26, locating the straight pin 14 on friction shoe 3 sides in the shift fork 19, one torsion spring 15 is installed between friction shoe 3 and the rope sheave 27, the trend that the oriented friction wheel 4 of friction shoe is rotated near direction, make friction shoe 3 in that lose can fast rotational after spacing, action friction wheel 4.One of them is equipped with a centrifugal spring 23 two connecting rods 26, the support 22 that centrifugal spring 23 1 ends are fixed by bolts on rope sheave 27 webs is spacing, one macropore is arranged on the support 22, make connecting rod 26 gapped in the hole, just can not produce friction during up-and-down movement, it is spacing that the other end adds adjustment nut 36 with spring perch 35, can come balance to fly the centnifugal force of iron 21 by the amount of compression that the adjustment nut 36 of an end on the centrifugal spring 23 is adjusted centrifugal spring 23, set the linear velocity of velocity limiter operation time limit speed rope whereby.After compression spring 9 configures, the displacement of connecting rod 26 is just determined, at this moment, the nut 11 that unclamps fixing shift fork 19 connecting rod 26 axially on adjust the position of shift fork 19, transfer to rope sheave 27 rotating speeds when reaching setting speed, shift fork 19 just with friction shoe 3 on straight pin 14 throw off fully, captive nut 11 then.When rope sheave 27 rotations reached the speed of setting up in advance, shift fork 19 was thrown off fully, finishes the process that triggers friction shoe 3.
When enforcement was of the present invention, the material of friction wheel 4 and friction shoe 3 can be a metal, also can be nonmetallic wear-resistant material; Friction shoe 3 also is not limited to cam-shaped, and its contact surface can be linear or concave shape.
If will rise a friction shoe 3 put upside down commutation make two friction shoes in the same way flip flop equipment or remove one of them friction shoe and shift fork just becomes general unidirectional velocity limiter now.
In an embodiment, compression spring 9 can change spring assembly or other form into, and the rope-clamping pliers alternation of form is as long as also can implement the present invention at the equivalent device that does not deviate from spirit of the present invention.The general error that the present invention produces during fabrication, less demanding to production facilities, do not need especially meticulous to installation and maintenance aspect yet.
Claims (9)
1, a kind of bidirectional speed limiter for elevator comprises rope gripper and flip flop equipment, and the rope-clamping pliers of clamping rope sheave is arranged in the rope gripper, and rope-clamping pliers is made up of moving rope-clamping pliers and quiet rope-clamping pliers, it is characterized in that:
In the rope gripper, at the speed limit rope two ends of rope sheave a pair of rope-clamping pliers is arranged respectively, wherein two moving rope-clamping plierses are connected the two ends of a compression spring, the lagging hinge linkage on moving rope-clamping pliers end and the friction wheel;
Flip flop equipment comprises that two of being hinged on the rope sheave web fly iron, two fly iron becomes parallelogram with two rod hinge connections, be with centrifugal spring on two connecting rods and be connected with shift fork, fly the moving straight pin that makes on the shift fork disengagement friction shoe side of Railway transportation, torsion spring bonded assembly friction shoe and friction wheel locking on triggering and the web, friction shoe and rope sheave web are hinged;
Flying the iron edge has the iron screw that flies that can touch the major axis ridge when rotated, and makes major axis and the rotation that re-packs, and the percussion micro-switch re-packs.
2, bidirectional speed limiter for elevator according to claim 1 is characterized in that: described moving rope-clamping pliers is connected with a compression spring by the moving plate at hinged two quarter butts and compression spring two ends.
3, bidirectional speed limiter for elevator according to claim 1 is characterized in that: when described shift fork had only one, only triggering a friction shoe became unidirectional velocity limiter.
4, bidirectional speed limiter for elevator according to claim 1 is characterized in that: one of them can put upside down commutation described friction shoe, becomes unidirectional speed-limit device.
5, bidirectional speed limiter for elevator according to claim 1 is characterized in that: described major axis ridge is the screw of captiveing joint with major axis.
6, bidirectional speed limiter for elevator according to claim 1 is characterized in that: described friction shoe is that convex, concave shape, planar shaped or line contact with the contact surface of friction wheel.
7, bidirectional speed limiter for elevator according to claim 1 is characterized in that: the transverse slat avris on the described friction wheel has a locating dowel pin.
8, bidirectional speed limiter for elevator according to claim 1 is characterized in that: a straight pin is arranged on the described shift fork, and realize the upper and lower position of nut on connecting rod of the fastening shift fork of relative position scalable of shift fork and straight pin.
9, bidirectional speed limiter for elevator according to claim 1 is characterized in that: the relative position of described shift fork and straight pin can cw or conter clockwise regulate, to obtain different command speves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00105650 CN1094463C (en) | 2000-04-14 | 2000-04-14 | Bidirectional speed limiter for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00105650 CN1094463C (en) | 2000-04-14 | 2000-04-14 | Bidirectional speed limiter for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1319550A true CN1319550A (en) | 2001-10-31 |
| CN1094463C CN1094463C (en) | 2002-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00105650 Expired - Fee Related CN1094463C (en) | 2000-04-14 | 2000-04-14 | Bidirectional speed limiter for elevator |
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| CN (1) | CN1094463C (en) |
Cited By (33)
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| WO2006090453A1 (en) | 2005-02-24 | 2006-08-31 | Mitsubishi Denki Kabushiki Kaisha | Governor for elevator |
| CN102211726A (en) * | 2010-04-02 | 2011-10-12 | 涂翼民 | Speed sensing overspeed triggering device for cage and counterweight |
| CN105883528A (en) * | 2016-06-29 | 2016-08-24 | 西继迅达（许昌）电梯有限公司 | Novel unidirectional car-sliding-proof self-resetting speed limiting device with speed monitoring |
| CN105923496A (en) * | 2016-06-29 | 2016-09-07 | 西继迅达（许昌）电梯有限公司 | Novel unidirectional automatic anti-sliding speed governor capable of monitoring speed |
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| CN105923489A (en) * | 2016-06-29 | 2016-09-07 | 西继迅达（许昌）电梯有限公司 | Novel automatic anti-sliding unidirectional speed governor |
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| CN105923494A (en) * | 2016-06-29 | 2016-09-07 | 西继迅达（许昌）电梯有限公司 | Novel unidirectional anti-sliding speed governor capable of monitoring speed |
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| CN105947828A (en) * | 2016-06-29 | 2016-09-21 | 西继迅达（许昌）电梯有限公司 | Novel one-way speed limier with speed monitoring function |
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| CN106044450A (en) * | 2016-06-29 | 2016-10-26 | 西继迅达（许昌）电梯有限公司 | Novel automatic trigger one-way speed limiter |
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| WO2006090453A1 (en) | 2005-02-24 | 2006-08-31 | Mitsubishi Denki Kabushiki Kaisha | Governor for elevator |
| EP1852383A1 (en) * | 2005-02-24 | 2007-11-07 | Mitsubishi Denki Kabushiki Kaisha | Governor for elevator |
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| CN105936457A (en) * | 2016-06-29 | 2016-09-14 | 西继迅达（许昌）电梯有限公司 | Novel car-sliding-preventing one-way self-reset speed-limiting device with speed monitoring function |
| CN105947826A (en) * | 2016-06-29 | 2016-09-21 | 西继迅达（许昌）电梯有限公司 | Novel one-way automatic reset speed limiter |
| CN105947830A (en) * | 2016-06-29 | 2016-09-21 | 西继迅达（许昌）电梯有限公司 | Novel one-way automatic reset anti-slip speed limiter with speed monitor function |
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| CN105947827A (en) * | 2016-06-29 | 2016-09-21 | 西继迅达（许昌）电梯有限公司 | Novel one-way speed limiter |
| CN105947828A (en) * | 2016-06-29 | 2016-09-21 | 西继迅达（许昌）电梯有限公司 | Novel one-way speed limier with speed monitoring function |
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| CN105923496A (en) * | 2016-06-29 | 2016-09-07 | 西继迅达（许昌）电梯有限公司 | Novel unidirectional automatic anti-sliding speed governor capable of monitoring speed |
| CN106115407A (en) * | 2016-06-29 | 2016-11-16 | 西继迅达（许昌）电梯有限公司 | The novel unidirectional Self-resetting limiter of speed that there is speed monitoring, can automatically trigger |
| CN106115408A (en) * | 2016-06-29 | 2016-11-16 | 西继迅达（许昌）电梯有限公司 | Novel anti-running unidirectional Self-resetting limiter of speed |
| CN107311004A (en) * | 2016-06-29 | 2017-11-03 | 西继迅达（许昌）电梯有限公司 | The new anti-slip unidirectional limiter of speed that automatically resets |
| CN107311005A (en) * | 2016-06-29 | 2017-11-03 | 西继迅达（许昌）电梯有限公司 | New unidirectional Self-resetting limiter of speed |
| US10759631B2 (en) | 2016-10-27 | 2020-09-01 | Otis Elevator Company | Remote triggering device, overspeed governor assembly and elevator |
| CN108002168A (en) * | 2016-10-27 | 2018-05-08 | 奥的斯电梯公司 | Remote triggering device, governor assemblies and elevator |
| CN109963805A (en) * | 2016-11-10 | 2019-07-02 | 因温特奥股份公司 | Cable brake, lift car and elevator device |
| US11661314B2 (en) | 2016-11-10 | 2023-05-30 | Inventio Ag | Cable brake, elevator car and elevator system |
| CN108861944A (en) * | 2017-05-16 | 2018-11-23 | 杭州沪宁电梯部件股份有限公司 | Limiter of speed |
| CN108861944B (en) * | 2017-05-16 | 2023-12-19 | 杭州沪宁电梯部件股份有限公司 | speed limiter |
| CN109720961B (en) * | 2017-10-30 | 2021-08-17 | 奥的斯电梯公司 | Speed limiter assembly and elevator system |
| CN109720961A (en) * | 2017-10-30 | 2019-05-07 | 奥的斯电梯公司 | Governor assemblies and elevator device |
| CN110654952B (en) * | 2018-06-28 | 2022-03-15 | 奥的斯电梯公司 | Elevator regulator |
| CN110654952A (en) * | 2018-06-28 | 2020-01-07 | 奥的斯电梯公司 | Elevator regulator |
| CN112141849A (en) * | 2019-06-27 | 2020-12-29 | 奥的斯电梯公司 | Speed limiter assembly for elevator system, elevator safety system and elevator system |
| CN112141849B (en) * | 2019-06-27 | 2023-07-04 | 奥的斯电梯公司 | Speed limiter assembly for elevator system, elevator safety system and elevator system |
| CN113086805A (en) * | 2021-03-24 | 2021-07-09 | 苏州东方富力电梯部件有限公司 | Eccentric wheel and brake disc meshed throwing type machine room-free speed limiter |
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