CN104326325B - Traction elevator limit slip device - Google Patents
Traction elevator limit slip device Download PDFInfo
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- CN104326325B CN104326325B CN201410564329.0A CN201410564329A CN104326325B CN 104326325 B CN104326325 B CN 104326325B CN 201410564329 A CN201410564329 A CN 201410564329A CN 104326325 B CN104326325 B CN 104326325B
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- roller
- pivoted arm
- support
- electric magnet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
Abstract
Traction elevator limit slip device, relates to traction elevator.Being provided with pivoted arm, roller, roller bracket, roller guide plate, voussoir, electric magnet, tumbler spring, pivoted arm support and support, support is provided with lower plate and upper plate；On the equidistant position of pivoted arm point of rotation both sides, diagonal angle is provided with protuberance, and protuberance is provided with a hole, and pivoted arm is connected with roller bracket by rotating shaft, and roller bracket can be along axis of rotation；Being provided with groove on roller bracket, roller is placed in groove, and axis hole on the centre bore of roller alignment roller bracket also penetrates roller axle；Pivoted arm support vertical is between upper and lower plates, and 2 pieces of voussoir reverse vertical are fixed between the upper and lower plates of support；Pivoted arm is installed on pivoted arm support, and the two ends of roller axle are inserted in the gathering sill being located on roller guide plate by 2 pieces of roller guide plates respectively, and 2 pieces of roller guide plates are bolted on voussoir both sides, and tumbler spring is located between pivoted arm and support；Electric magnet is located on support, and electric magnet moves ferrum and inserts in the electric magnet jack being located on pivoted arm.
Description
Technical field
The present invention relates to traction elevator, especially relate to a kind of traction elevator after out of service, limit the traction elevator limit slip device that lift car is smooth.
Background technology
At present, it is rigidly connected that be braked parts stop with elevator traction sheave that mode of braking after traction elevator (hereinafter referred to as elevator) is out of service uses compressing after dependence spring force grants brake block or liner, and its feature is dependent on the soft braking of frictional force.This brake force be also elevator out of service after make car keep resting state power.Therefore, about the technical security standard of elevator all to which proposing requirement, in China for the elevator before putting into operation and year regular inspection elevator, all must do unloaded up and 125% rated load is descending, power-off test under normal running speed, thus checks whether the stopping power of elevator brake meets requirement.But, elevator is in actual motion, the carbonization often due to the artificial adjustment of tripping spring power or ANOMALOUS VARIATIONS, brake block or gasket contacts wear and tear or generate heat, elevator brake ability is caused to decline, light then cause lift car to rush to summit or squat at the end, heavy then the casualty accident that causes passenger to be sheared or fall, this kind of elevator accident happens occasionally.
Cause the root of the accident to be the issuable smooth amount of elevator out of service is not limited by elevator technology safety criterion because elevator is smooth, causes and is all not prevented from now the substantial safety-design that elevator is smooth with elevator.After elevator generation is smooth, brake will be progressively smaller until disappearance to the frictional force being braked parts generation, thus cause lift car smooth until accelerating out of control.In consideration of it, increase elevator limit slip device, limiting the smooth amount of elevator ought to become the essential requirement of elevator.
The open a kind of Anti-slip protection device for elevator of Chinese patent CN202967788U, including main control unit, band-type brake checking switch, photoelectric code disk, first relay, second relay, rope brake and warning device and power subsystem, band-type brake checking switch is arranged on elevator internal contracting brake, photoelectric code disk is arranged on the limiter of speed that the car with elevator is connected, rope brake is installed on the steel wire rope side of elevator, band-type brake checking switch, band-type brake contacts of contactor switchs, photoelectric code disk, the drive end of the first relay and the second relay is connected with main control unit respectively, the normally opened contact switch K1 of the first relay is connected in the supply line of rope brake, the normally opened contact switch K2 of the second relay is connected in the supply line of warning device.The present invention can start rope brake and stop car to continue to move to when elevator slips car phenomenon, reports to the police simultaneously, reminds related personnel to keep in repair elevator in time, improves the safety that elevator runs.
Summary of the invention
Present invention aims to the smooth problem of lift car that existing elevator causes after out of service because brake ability declines, it is provided that be capable of a kind of traction elevator limit slip device that elevator is controlled in the smooth amount of rear car out of service.
The present invention is provided with pivoted arm, 2 rollers, 2 roller brackets, 4 pieces of roller guide plates, 2 pieces of voussoirs, electric magnet, tumbler spring, pivoted arm support and support, and support is provided with lower plate and upper plate；
Described pivoted arm is a cross bar, and on the equidistant position of pivoted arm point of rotation both sides, diagonal angle is provided with protuberance, and protuberance is provided with a hole, and pivoted arm is connected with roller bracket by rotating shaft, and roller bracket can be along axis of rotation；Being provided with groove on roller bracket, roller is placed in groove, and axis hole on the centre bore of roller alignment roller bracket also penetrates roller axle；Pivoted arm support vertical is between upper plate and lower plate and connects into support, and 2 pieces of voussoir reverse vertical are fixed between the upper plate of support and lower plate；Pivoted arm is installed on pivoted arm support, and the two ends of roller axle are inserted in the gathering sill being located on roller guide plate by 2 pieces of roller guide plates respectively, and 2 pieces of roller guide plates are bolted on voussoir both sides, and tumbler spring is connected between pivoted arm and support；Electric magnet is arranged on support, and its position is adjustable, and the dynamic ferrum of electric magnet inserts in the electric magnet jack being located on pivoted arm.
When the present invention uses, first complete the assembling of each parts, then sedan-chair top upper beam (or bottom girder at the bottom of sedan-chair) the former car that the present invention is arranged on elevator is led boots position and fixes；Adjust roller and cage guide gap, i.e. utilize electric magnet to move the position of ferrum, rotate pivoted arm equal to the gap between two roller face tangent lines and guide pass, fixed electromagnet；Finally, car is led boots to be loaded on above the present invention.
The electric magnet actuating signal controlling the present invention is given by following four signals concatenation: the smooth amount of car (pulse produced by the rotary encoder intercepts) signal that brake coil dead electricity signal, layer door set after opening signal, Elevator landing signal and Elevator Stop with gate, this smooth amount be typically set in 0～toe guard of elevator car half length between.Setting signal is controlled by the electric magnet action of the present invention again after first controlling auxiliary reclay.
When electric magnet action, electric magnet moves ferrum and departs from pivoted arm, pivoted arm is rotated by the effect of tumbler spring power, and drive roller bracket to rotate, rotary motion is changed into along the linear motion guided by its rotating shaft by roller bracket, and push to roller contact with cage guide face, now, no matter car continue on slip or under slip, the roller making wherein one side is forced to voussoir by the tangential force produced between roller face tangent line and guide pass, being run through roller and produce enough horizontal compressions between car guide rail and voussoir, stop car continues smooth.When pivoted arm rotates, cut off elevator safety loop, it is to avoid elevator issuable maloperation during the work of this device simultaneously.Just thinking to prevent under the smooth measure of elevator making, manually car is loosened to roller by jiggering mode along smooth reverse jiggering, can the hand-reset present invention.
The invention has the beneficial effects as follows, overcome the smooth problem of lift car that existing elevator causes after out of service because brake ability declines, it is capable of elevator is controlled in the smooth amount of rear car out of service, thus eliminates the generation of the high order accident during elevator uses.
Accompanying drawing explanation
Fig. 1 is the structure composition schematic diagram of the embodiment of the present invention.
Fig. 2 is roller and the pivoted arm scheme of installation of the embodiment of the present invention.
Fig. 3 is the electric control theory figure of the embodiment of the present invention.
In figure 3, respectively it is labeled as: K1 brake coil dead electricity signal；K2 layer door and gate open signal；K3 ladder flat bed signal；The smooth amount of car (pulse produced by the rotary encoder intercepts) signal set after K4 Elevator Stop；K5 limits slip device step switch；KM auxiliary reclay；YA electromagnet coil；JY elevator safety loop relay；SB reset switch.
Detailed description of the invention
See Fig. 1～3, the embodiment of the present invention is provided with 2,2 roller brackets of 1,2 rollers of pivoted arm, 4,2 pieces of voussoirs 5 of 3,4 pieces of roller guide plates, electric magnet (being not drawn in the drawings), tumbler spring 7, pivoted arm support 8 and support, and support is provided with lower plate 9 and upper plate 10.
Described pivoted arm 1 is a cross bar, and on the equidistant position of pivoted arm 1 point of rotation both sides, diagonal angle is provided with protuberance, and protuberance is provided with a hole, and pivoted arm 1 is connected with roller bracket 3 by rotating shaft, and roller bracket 3 can be along axis of rotation；Being provided with groove 31 on roller bracket 3, roller 2 is placed in groove 31, and axis hole on the centre bore of roller 2 alignment roller bracket 3 also penetrates roller axle 21；Pivoted arm support 8 is perpendicular between upper plate 10 and lower plate 9 and connects into support, and 2 pieces of voussoir 5 reverse vertical are fixed between the upper plate 10 of support and lower plate 9；Pivoted arm 1 is installed on pivoted arm support 8, and the two ends of roller axle are inserted in the gathering sill being located on roller guide plate 4 by 2 pieces of roller guide plates 4 respectively, and 2 pieces of roller guide plates 4 are bolted on voussoir 5 both sides, and tumbler spring 7 is connected between pivoted arm 1 and support；Electric magnet is arranged on support, and its position is adjustable, and the dynamic ferrum of electric magnet inserts in the electric magnet jack 6 being located on pivoted arm 1.
When the present invention uses, first complete the assembling of each parts, then sedan-chair top upper beam (or bottom girder at the bottom of sedan-chair) the former car that the present invention is arranged on elevator is led boots position and fixes；Adjust roller and cage guide 11 gap, i.e. utilize electric magnet to move the position of ferrum, rotate pivoted arm equal to the gap between two roller face tangent lines and guide pass, fixed electromagnet；Finally, car is led boots to be loaded on above the present invention.
The electric magnet actuating signal controlling the present invention is given by following four signals concatenation: the smooth amount of car (pulse produced by the rotary encoder intercepts) signal that brake coil dead electricity signal, layer door set after opening signal, Elevator landing signal and Elevator Stop with gate, this smooth amount be typically set in 0～toe guard of elevator car half length between.Setting signal is controlled by the electric magnet action of the present invention again after first controlling auxiliary reclay.
When electric magnet action, electric magnet moves ferrum and departs from pivoted arm, pivoted arm is rotated by the effect of tumbler spring power, and drive roller bracket to rotate, rotary motion is changed into along the linear motion guided by its rotating shaft by roller bracket, and push to roller contact with cage guide face, now, no matter car continue on slip or under slip, the roller making wherein one side is forced to voussoir by the tangential force produced between roller face tangent line and guide pass, being run through roller and produce enough horizontal compressions between car guide rail and voussoir, stop car continues smooth.When pivoted arm rotates, cut off elevator safety loop, it is to avoid elevator issuable maloperation during the work of this device simultaneously.Just thinking to prevent under the smooth measure of elevator making, manually car is loosened to roller by jiggering mode along smooth reverse jiggering, can the hand-reset present invention.
During use, two identical traction elevator limit slip devices of every elevator installation, sedan-chair top upper beam (or bottom girder at the bottom of sedan-chair) the former car being separately mounted to elevator leads boots position, two traction elevator limit slip devices are realized Synchronization Control by same signal, and two rollers of traction elevator limit slip device are symmetrically arranged on two rail levels of car guide rail；
Control traction elevator limit slip device electric magnet actuating signal layer therein door and gate is opened signal and full open, only gate can be selected to open or only layer door opening ways；
The flat bed signal or the smooth amount of car (pulse produced by the rotary encoder intercepts) signal that control traction elevator limit slip device electric magnet actuating signal elevator therein can be accepted or rejected according to needing after assessment；
Control traction elevator limit slip device electric magnet action to be realized by auxiliary reclay, it is possible to realize by the way of microcomputer logic programs.
Claims (1)
1. traction elevator limit slip device, it is characterised in that be provided with pivoted arm, 2 rollers, 2 roller brackets, 4 pieces of rollers are led
Plate, 2 pieces of voussoirs, electric magnet, tumbler spring, pivoted arm support and support, support is provided with lower plate and upper plate；
Described pivoted arm is a cross bar, and on the equidistant position of pivoted arm point of rotation both sides, diagonal angle is provided with protuberance, and protuberance is provided with a hole,
Pivoted arm is connected with roller bracket by rotating shaft, and roller bracket can be along axis of rotation；Roller bracket is provided with groove, roller
Being placed in groove, axis hole on the centre bore of roller alignment roller bracket also penetrates roller axle；Pivoted arm support vertical in upper plate and under
Between plate and connect into support, 2 pieces of voussoir reverse vertical are fixed between the upper plate of support and lower plate；Pivoted arm is installed on pivoted arm and props up
On frame, the two ends of roller axle are inserted in the gathering sill being located on roller guide plate by 2 pieces of roller guide plates respectively, and 2 pieces of roller guide plates pass through
Being bolted to voussoir both sides, tumbler spring is connected between pivoted arm and support；Electric magnet is arranged on support, and its position is adjustable,
The dynamic ferrum of electric magnet inserts in the electric magnet jack being located on pivoted arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410564329.0A CN104326325B (en) | 2014-10-22 | 2014-10-22 | Traction elevator limit slip device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410564329.0A CN104326325B (en) | 2014-10-22 | 2014-10-22 | Traction elevator limit slip device |
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| Publication Number | Publication Date |
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| CN104326325A CN104326325A (en) | 2015-02-04 |
| CN104326325B true CN104326325B (en) | 2016-08-17 |
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| CN201410564329.0A Active CN104326325B (en) | 2014-10-22 | 2014-10-22 | Traction elevator limit slip device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105173963A (en) * | 2015-08-10 | 2015-12-23 | 厦门升通电梯有限公司 | Elevator car accidental movement control device |
| CN105438910B (en) * | 2015-12-11 | 2017-12-26 | 武汉捷能自动化技术有限公司 | Clamping-rope type accidental movement of elevator cage arresting stop |
| CN107055253B (en) * | 2017-03-14 | 2022-08-05 | 厦门升通电梯有限公司 | Elevator accidental movement amount control device with buffer gradable braking function |
| EP3604196B1 (en) | 2018-08-03 | 2023-04-26 | Otis Elevator Company | Electronic safety actuator assembly for elevator system |
Citations (6)
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| CN2558633Y (en) * | 2002-07-18 | 2003-07-02 | 余忠 | Lifting cage falling preventing device for lifter |
| JP2007246268A (en) * | 2006-03-20 | 2007-09-27 | Hitachi Ltd | Safety device of elevator |
| CN103159108A (en) * | 2011-12-13 | 2013-06-19 | 刘姚成 | Active type falling protector |
| CN203428678U (en) * | 2013-08-21 | 2014-02-12 | 上海微频莱机电科技有限公司 | Safety protection mechanism for accident movement of lift car |
| CN203865758U (en) * | 2014-02-24 | 2014-10-08 | 西继迅达（许昌）电梯有限公司 | Bidirectional machine-room-less automatic anti-slipping safety speed limiting system |
| CN204237390U (en) * | 2014-10-22 | 2015-04-01 | 厦门升通电梯有限公司 | A kind of traction elevator limit slip device |
-
2014
- 2014-10-22 CN CN201410564329.0A patent/CN104326325B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2558633Y (en) * | 2002-07-18 | 2003-07-02 | 余忠 | Lifting cage falling preventing device for lifter |
| JP2007246268A (en) * | 2006-03-20 | 2007-09-27 | Hitachi Ltd | Safety device of elevator |
| CN103159108A (en) * | 2011-12-13 | 2013-06-19 | 刘姚成 | Active type falling protector |
| CN203428678U (en) * | 2013-08-21 | 2014-02-12 | 上海微频莱机电科技有限公司 | Safety protection mechanism for accident movement of lift car |
| CN203865758U (en) * | 2014-02-24 | 2014-10-08 | 西继迅达（许昌）电梯有限公司 | Bidirectional machine-room-less automatic anti-slipping safety speed limiting system |
| CN204237390U (en) * | 2014-10-22 | 2015-04-01 | 厦门升通电梯有限公司 | A kind of traction elevator limit slip device |
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| CN104326325A (en) | 2015-02-04 |
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