CN105398908A - Auxiliary control device of elevator safety tongs - Google Patents
Auxiliary control device of elevator safety tongs Download PDFInfo
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- CN105398908A CN105398908A CN201510657101.0A CN201510657101A CN105398908A CN 105398908 A CN105398908 A CN 105398908A CN 201510657101 A CN201510657101 A CN 201510657101A CN 105398908 A CN105398908 A CN 105398908A
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- car
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- traction sheave
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Abstract
The invention provides an auxiliary control device of elevator safety tongs. Under the condition that the structure of an existing speed governor is not changed, the auxiliary control device of the safety tongs is added, so that an elevator operates more safely. The auxiliary control device comprises a lift car motion parameter detecting device, a traction sheave motion parameter detecting device, a pneumatic system and a controller. The lift car motion parameter detecting device, the pneumatic system and the controller are fixedly connected with a lift car machine frame and synchronously move along with a lift car. When the lift car slips or the rated speed of the lift car exceeds a set value, a data processor in the controller enables an electromagnetic valve to start automatically through an executing circuit, high-pressure gas in a gas storage tank is made to flow to an air cylinder, a telescopic rod of the air cylinder moves upwards and pushes a safety tong lever mechanism, movable wedge blocks of the safety tongs are driven to move upwards, and therefore the elevator is braked and stopped.
Description
Technical field
The invention belongs to elevator technology field, relate to a kind of auxiliary operation device, particularly a kind of auxiliary operation device of elevator safety gear.
Background technology
Safety tongs is the safety component in elevator, and its operating control is velocity limiter, when the running velocity of lift car exceedes command speed, mechanical device action in velocity limiter, block speed limit rope, speed limit rope lifts the dynamic voussoir of safety tongs by leverage, stop elevator.Obviously, the operating control of this safety tongs can not the skidding that causes because of traction sheave traction deficiency of early warning elevator, and the one of the main reasons of this skidding to be elevator occur hypervelocity downslide accident.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of auxiliary operation device of elevator safety gear, this device is not when changing former velocity limiter structure, increase the attached of a kind of elevator safety gear and help operating control, the skidding occurred in order to early warning elevator and when elevator overspeed, manoeuvring safety clamps, stop elevator, prevention safety misadventure.
Object of the present invention realizes by following technical proposal:
The invention provides a kind of auxiliary operation device of elevator safety gear, the present invention includes car movement parameter detection device, traction sheave movement parameter detection apparatus, pneumatic system and controller, described car movement parameter detection device, pneumatic system and controller are all fixedly connected with car frame, are synchronized with the movement with car; Described car movement parameter detection device comprises car floating pulley frame, and described car floating pulley erection has car pulley, and the side of described car floating pulley frame arranges car rotary encoder; Described traction sheave movement parameter detection apparatus comprises traction sheave floating pulley frame, traction sheave pulley and the traction sheave rotary encoder identical with car movement parameter detection device structure; Described pneumatic system comprises the high-pressure mini air pump, check valve, storage tank, electromagnetic valve, the cylinder that are connected by tracheae successively; Described storage tank arranges pressure switch, compression indicator have high pressure gas, and described cylinder is installed in car frame, and be positioned at immediately below safety tongs leverage tranverse connecting rod, the top of Telescopic-cylinder bar contacts with bottom tranverse connecting rod; Described controller comprises speed read-out, infrabar alarm buzzer, backup power, data handler, described data handler receives car rotary encoder, traction sheave rotary encoder, pressure switch signal, by executive circuit and high-pressure mini air pump, electromagnetic valve Electricity Federation.
Principle of work of the present invention is as follows: car pulley external diameter, near guide rail, is synchronized with the movement with car, and car rotary encoder detects the kinematic parameter of car pulley in real time, and the kinematic parameter of car pulley is passed to data handler; Meanwhile, towing machine pulley contacts with traction sheave, be synchronized with the movement, traction sheave rotary encoder detects the kinematic parameter of traction sheave pulley in real time, and the kinematic parameter of traction sheave pulley is passed to data handler, when there is skidding in car or command speed exceedes setting value, data handler plays moving electromagnetic valve by executive circuit automatically, the high pressure gas in storage tank are made to flow to cylinder, Telescopic-cylinder bar upward movement, promote safety tongs leverage, drive the dynamic voussoir upward movement of safety tongs, realize elevator stopping.
In the auxiliary operation device of above-mentioned elevator safety gear, described car floating pulley frame comprises pulley yoke, two bearings are set in described pulley yoke, be socketed several pilot bar be fixedly connected with car frame, Compress Spring is socketed outside described pilot bar, described Compress Spring driven forward pulley yoke, makes car pulley near the edge of guide rail.
In the auxiliary operation device of above-mentioned elevator safety gear, described car pulley is fixedly connected with sheave shaft, and the external diameter surface of described car pulley arranges polyurethane materials layer, in order to increase friction force.
In the auxiliary operation device of above-mentioned elevator safety gear, described traction sheave floating pulley frame is fixedly connected with machine frame, and described traction sheave pulley is near traction sheave outside face.
In the auxiliary operation device of above-mentioned elevator safety gear, described pressure switch in storage tank internal pressure lower than action during setting value, pressure switch sends to controller signal, controller can start high-pressure mini air pump and in storage tank, supplement high pressure gas through check valve, starts low pressure alarming buzzer phone simultaneously.
In the auxiliary operation device of above-mentioned elevator safety gear, described backup power is storage battery, and the auxiliary operation device for elevator safety gear under car power failure state provides electric power.
Compared with prior art, the auxiliary operation device of this elevator safety gear, by the kinematic parameter of rotary encoder Real-time Collection lift car and traction sheave, input control device, when elevator generation skidding and elevator overspeed, by controller Pneumatic automatic-control system cloud gray model, clamp eventually through cylinder manoeuvring safety, stop elevator, prevention safety misadventure.Manipulation precision is high, and power foot, ensures elevator safety operation.
Accompanying drawing explanation
Fig. 1 is elevator safety gear additional manipulation schematic diagram of device.
Fig. 2 is car movement parameter detection device schematic diagram.
Fig. 3 is traction sheave movement parameter detection apparatus schematic diagram.
In figure, 1, car frame; 2, bearing; 3, guide rail; 4, car pulley; 5, car floating pulley frame; 6, car rotary encoder; 7, sheave shaft; 8, pulley yoke; 9, Compress Spring; 10, pilot bar; 11, high-pressure mini air pump; 12, check valve; 13, storage tank; 14, electromagnetic valve; 15, cylinder; 16, leverage; 17, safety tongs; 18, dynamic voussoir; 19, controller; 20, low pressure alarming buzzer phone; 21, speed read-out; 22, data handler; 23, executive circuit; 24, backup power; 25, machine frame; 26, traction sheave floating pulley frame; 27, traction sheave pulley; 28, traction sheave rotary encoder; 29, traction sheave; 1301, compression indicator; 1302, pressure switch; 401, polyurethane materials layer; 1501, Telescopic-cylinder bar; 1601, tranverse connecting rod.
Detailed description of the invention:
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, the invention provides a kind of auxiliary operation device of elevator safety gear, comprise car movement parameter detection device, traction sheave movement parameter detection apparatus, pneumatic system and controller 19, car movement parameter detection device, pneumatic system and controller 15 is all fixedly connected with car frame 1, is synchronized with the movement with car; Car movement parameter detection device comprises car floating pulley frame 5, and car floating pulley frame 5 is provided with car pulley 4, and the side of car floating pulley frame 5 arranges car rotary encoder 9; Traction sheave movement parameter detection apparatus comprises traction sheave floating pulley frame 26, traction sheave pulley 27 and the traction sheave rotary encoder 29 identical with car movement parameter detection device structure; Pneumatic system comprises the high-pressure mini air pump 11, check valve 12, storage tank 13, electromagnetic valve 14, the cylinder 15 that are connected by tracheae successively; Storage tank 13 arranges pressure switch 1301, compression indicator 1302 have high pressure gas, and cylinder 15 is installed in car frame 1, and be positioned at immediately below safety tongs 17 leverage 16 tranverse connecting rod 1601, the top of Telescopic-cylinder bar 1501 contacts with bottom tranverse connecting rod 1601; Controller 19 comprises speed read-out 21, infrabar alarm buzzer 20, backup power 24, data handler 22, data handler 22 receives car rotary encoder 6, traction sheave rotary encoder 28, pressure switch signal 1301, by executive circuit 23 and high-pressure mini air pump 11, electromagnetic valve 14 Electricity Federation.
Car floating pulley frame 5 comprises pulley yoke 8, two bearings 2 are set in pulley yoke 8, are socketed the several pilot bars 10 be fixedly connected with car frame 1, outside pilot bar 10, are socketed Compress Spring 9, described Compress Spring 9 driven forward pulley yoke 8, makes car pulley 4 near the edge of guide rail 3.
Car pulley 4 is fixedly connected with sheave shaft 7, and the external diameter surface of described car pulley 4 arranges polyurethane materials layer 401, in order to increase friction force.
Traction sheave floating pulley frame 26 is fixedly connected with machine frame 25, and described traction sheave pulley 27 is near traction sheave 29 outside face.
Pressure switch 1301 in storage tank 13 internal pressure lower than action during setting value, pressure switch 1301 sends to controller 19 signal, controller 19 can start high-pressure mini air pump 11 and in storage tank 13, supplement high pressure gas through check valve 14, starts low pressure alarming buzzer phone 20 simultaneously.
Backup power 24 is storage battery, and the auxiliary operation device for elevator safety gear under car power failure state provides electric power.
Principle of work is as follows: car pulley 4 external diameter, near guide rail 3, is synchronized with the movement with car, and car rotary encoder 6 detects the kinematic parameter of car pulley 4 in real time, and the kinematic parameter of car pulley 4 is passed to data handler 22, meanwhile, traction sheave pulley 27 contacts with traction sheave 29, be synchronized with the movement, traction sheave rotary encoder 28 detects the kinematic parameter of traction sheave pulley 27 in real time, and the kinematic parameter of traction sheave pulley 27 is passed to data handler 22, when there is skidding in car or command speed exceedes setting value, data handler 22 is automatically by executive circuit 23 moving electromagnetic valves 14, the high pressure gas in storage tank 13 are made to flow to cylinder 15, Telescopic-cylinder bar 1501 upward movement, promote safety tongs 17 leverage 16, drive dynamic voussoir 18 upward movement of safety tongs, realize elevator stopping.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ car frame 1 herein, bearing 2, guide rail 3, car pulley 4, car floating pulley frame 5, car rotary encoder 6, sheave shaft 7, pulley yoke 8, Compress Spring 9, pilot bar 10, high-pressure mini air pump 11, check valve 12, storage tank 13, electromagnetic valve 14, cylinder 15, leverage 16, safety tongs 17, dynamic voussoir 18, controller 19, low pressure alarming buzzer phone 20, speed read-out 21, data handler 22, executive circuit 23, backup power 24, machine frame 25, traction sheave floating pulley frame 26, traction sheave pulley 27, traction sheave rotary encoder 28, traction sheave 29, compression indicator 1301, pressure switch 1302, polyurethane materials layer 401, Telescopic-cylinder bar 1501, term such as tranverse connecting rod 1601 grade, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (6)
1. an auxiliary operation device for elevator safety gear, the present invention includes car movement parameter detection device, traction sheave movement parameter detection apparatus, pneumatic system and controller.It is characterized in that: described car movement parameter detection device, pneumatic system and controller are all fixedly connected with car frame, are synchronized with the movement with car; Described car movement parameter detection device comprises car floating pulley frame, and described car floating pulley erection has car pulley, and the side of described car floating pulley frame arranges car rotary encoder; Described traction sheave movement parameter detection apparatus comprises traction sheave floating pulley frame, traction sheave pulley and the traction sheave rotary encoder identical with car movement parameter detection device structure; Described pneumatic system comprises the high-pressure mini air pump, check valve, storage tank, electromagnetic valve, the cylinder that are connected by tracheae successively.Described storage tank arranges pressure switch, compression indicator have high pressure gas, and described cylinder is installed in car frame, and be positioned at immediately below safety tongs leverage tranverse connecting rod, the top of Telescopic-cylinder bar contacts with bottom tranverse connecting rod; Described controller comprises speed read-out, infrabar alarm buzzer, backup power, data handler, described data handler receives car rotary encoder, traction sheave rotary encoder, pressure switch signal, by executive circuit and high-pressure mini air pump, electromagnetic valve Electricity Federation.
2. the auxiliary operation device of elevator safety gear according to claim 1, it is characterized in that: described car floating pulley frame comprises pulley yoke, two bearings are set in described pulley yoke, be socketed the several pilot bars be fixedly connected with car frame, Compress Spring is socketed outside described pilot bar, described Compress Spring driven forward pulley yoke, makes car pulley near the edge of guide rail.
3. the auxiliary operation device of elevator safety gear according to claim 1, is characterized in that: described car pulley is fixedly connected with sheave shaft, and the external diameter surface of described car pulley arranges polyurethane materials layer, in order to increase friction force.
4. the auxiliary operation device of elevator safety gear according to claim 1, is characterized in that: described traction sheave floating pulley frame is fixedly connected with machine frame, and described traction sheave pulley is near traction sheave outside face.
5. in the auxiliary operation device of elevator safety gear according to claim 1, it is characterized in that: described pressure switch in storage tank internal pressure lower than action during setting value, pressure switch sends to controller signal, controller can start high-pressure mini air pump and in storage tank, supplement high pressure gas through check valve, starts low pressure alarming buzzer phone simultaneously.
6., in the auxiliary operation device of elevator safety gear according to claim 1, it is characterized in that: described backup power is storage battery, and the auxiliary operation device for elevator safety gear under cab power failure state provides electric power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510657101.0A CN105398908B (en) | 2015-10-10 | 2015-10-10 | A kind of auxiliary operation device of elevator safety gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510657101.0A CN105398908B (en) | 2015-10-10 | 2015-10-10 | A kind of auxiliary operation device of elevator safety gear |
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| CN105398908A true CN105398908A (en) | 2016-03-16 |
| CN105398908B CN105398908B (en) | 2017-12-29 |
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| CN201510657101.0A Expired - Fee Related CN105398908B (en) | 2015-10-10 | 2015-10-10 | A kind of auxiliary operation device of elevator safety gear |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522057A (en) * | 2017-10-18 | 2017-12-29 | 杜佳男 | A kind of protection device and its control method for preventing elevator overspeed and accidental movement |
| CN108217381A (en) * | 2016-12-13 | 2018-06-29 | 奥的斯电梯公司 | Electronic security(ELSEC) actuator |
| CN109704168A (en) * | 2019-02-26 | 2019-05-03 | 广州广日电梯工业有限公司 | A kind of integral type elevator speed-limiting protective device and the elevator with the device |
| KR20200098005A (en) * | 2019-02-11 | 2020-08-20 | 주식회사 천보기계 | Apparatus for preventing cage |
| CN111895261A (en) * | 2020-07-24 | 2020-11-06 | 河源职业技术学院 | One-way four-wedge safety tongs for special-shaped guide rail |
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| JP2004277150A (en) * | 2003-03-18 | 2004-10-07 | Toshiba Elevator Co Ltd | Elevator system |
| CN101607655A (en) * | 2009-07-24 | 2009-12-23 | 沈皆乐 | Self-help lift safety gear |
| CN104085759A (en) * | 2014-07-02 | 2014-10-08 | 苏州天梭电梯有限公司 | Hybrid power elevator and working method thereof |
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2015
- 2015-10-10 CN CN201510657101.0A patent/CN105398908B/en not_active Expired - Fee Related
Patent Citations (4)
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| CN1367133A (en) * | 2001-01-26 | 2002-09-04 | 因温特奥股份公司 | Method for making passenger quickly leave elevator car in case of emergency and equipment |
| JP2004277150A (en) * | 2003-03-18 | 2004-10-07 | Toshiba Elevator Co Ltd | Elevator system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108217381A (en) * | 2016-12-13 | 2018-06-29 | 奥的斯电梯公司 | Electronic security(ELSEC) actuator |
| US10889468B2 (en) | 2016-12-13 | 2021-01-12 | Otis Elevator Company | Electronics safety actuator |
| CN108217381B (en) * | 2016-12-13 | 2022-05-03 | 奥的斯电梯公司 | Electronic safety actuator |
| CN107522057A (en) * | 2017-10-18 | 2017-12-29 | 杜佳男 | A kind of protection device and its control method for preventing elevator overspeed and accidental movement |
| CN107522057B (en) * | 2017-10-18 | 2024-01-30 | 杜佳男 | Protection device for preventing elevator overspeed and accidental movement and control method thereof |
| KR20200098005A (en) * | 2019-02-11 | 2020-08-20 | 주식회사 천보기계 | Apparatus for preventing cage |
| KR102179010B1 (en) * | 2019-02-11 | 2020-11-17 | (주)천보기계 | Apparatus for preventing cage |
| CN109704168A (en) * | 2019-02-26 | 2019-05-03 | 广州广日电梯工业有限公司 | A kind of integral type elevator speed-limiting protective device and the elevator with the device |
| CN109704168B (en) * | 2019-02-26 | 2023-10-03 | 广州广日电梯工业有限公司 | Integrated elevator speed limiting protection device and elevator with same |
| CN111895261A (en) * | 2020-07-24 | 2020-11-06 | 河源职业技术学院 | One-way four-wedge safety tongs for special-shaped guide rail |
| CN111895261B (en) * | 2020-07-24 | 2021-11-09 | 河源职业技术学院 | One-way four-wedge safety tongs for special-shaped guide rail |
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| Publication number | Publication date |
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| CN105398908B (en) | 2017-12-29 |
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| CB02 | Change of applicant information |
Address after: Thai New Building No. 41 Hangzhou city Zhejiang province 310009 Shangcheng District West Lake Road Room 401 Applicant after: Mu Hongbiao Address before: 125100 Xingcheng construction street, Liaoning, No. 28123 Applicant before: Mu Hongbiao |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190110 Address after: 317106 pupugang Town, three gate County, Taizhou, Zhejiang (Zhejiang three coastal industrial city) Patentee after: ANLISO ELEVATOR Co.,Ltd. Address before: Room 401, Wanxin Building, Taidi, 41 West Lake Avenue, Shangcheng District, Hangzhou City, Zhejiang Province Patentee before: Mu Hongbiao |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20211010 |