CN104071672A - Elevator emergency inductive speed-limiting device - Google Patents
Elevator emergency inductive speed-limiting device Download PDFInfo
- Publication number
- CN104071672A CN104071672A CN201410276720.0A CN201410276720A CN104071672A CN 104071672 A CN104071672 A CN 104071672A CN 201410276720 A CN201410276720 A CN 201410276720A CN 104071672 A CN104071672 A CN 104071672A
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- safety tongs
- roller
- track roller
- safety gear
- sedan
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Abstract
An elevator emergency inductive speed-limiting device comprises a lift car fixing frame, a hoistway guide rail, a guide rail rolling wheel, a rolling wheel driving shaft, a shaft driving gear, a power generator, a processing circuit, a safety gear triggering device and a safety gear; the power generator is arranged below the guide rail rolling wheel; the power generator is fixedly arranged on the lift car fixing frame through a power generator fixed connection frame; a power generator driving gear and the shaft driving gear are meshed with each other; the processing circuit and the safety gear triggering device are fixedly arranged on the lift car fixing frame; the processing circuit is connected with a current output interface of the power generator through an electrical lead; an electrical signal output end of the processing circuit is connected onto the safety gear triggering device through an electrical lead; the safety gear is fixed on the lift car fixing frame through a safety gear fixed connection frame; the tail end of a safety gear triggering steel wire of the safety gear is connected onto the safety gear triggering device; a jaw of the safety gear is arranged in a protruding groove of the hoistway guide wheel. According to the elevator emergency inductive speed-limiting device, the structure is simple, the elevator running speed judgment can be implemented, and the speed can be effectively limited in case of overspeed.
Description
Technical field
The invention belongs to elevator safety emergency and disaster prevention device field, especially relate to a kind of elevator emergency inductance speed-limit device device.
Background technology
Elevator speed governor is the essential safety guard of national regulation; when elevator overspeed, while moving the fracture of out of control or suspension gear; overspeed preventer device can be rapidly by lift car stop on guide rail, and keep quiescence, thereby avoid occurring personal casualty and device damage accident.
Existing elevator speed governor is to adopt bidirectional speed limiter and safety tongs or wire holder mostly, while needing emergent having an effect, must jointly coordinate by two kinds of devices; Its principle is mainly that velocity limiter utilizes weight or pendulum to produce displacement under the effect of centnifugal force, and then trigger action mechanism, velocity limiter wheel is stopped operating, and then locked speed limit steel rope, cause safety tongs or wire holder action, reach the object that makes deceleration of elevator stop.
At present, existing bidirectional speed limiter complex structure, manufacturing cost are high, some harmful building and bargh are expensive in order to evade these, can save these safety devices, cause existing larger potential safety hazard, in addition, existing speed-limit device needs speed limit steel rope to cause safety tongs or wire holder action, when there is wire cable rupture situation, safety tongs or wire holder can lose efficacy.
For above technical matters, the present invention has designed a kind of elevator emergency inductance speed-limit device, and can produce induced voltage by elevator motion, and by induced voltage, trigger brake equipment and brake, thus simple and easy, realize speed limit efficiently.
Summary of the invention
Technical matters to be solved by this invention is, overcomes the above-mentioned defect that prior art exists, and a kind of simple and easy, the elevator emergency inductance speed-limit device device that can realize efficiently speed limit is provided.
The technical solution adopted for the present invention to solve the technical problems is, a kind of elevator emergency inductance speed-limit device device, comprise sedan-chair body fixed mount, hoistway guide rail, track roller, roller band moving axis, shaft driven gear, electrical generator, treatment circuit, safety tongs initiating device, safety tongs, described sedan-chair body fixed mount is external on elevator car body, described hoistway guide rail is fixedly installed on well enclosure, described track roller is fixedly installed on sedan-chair body fixed mount by track roller resilient support arms, the wheel face of described track roller touches and is attached on hoistway guide pass, the fixed connection shaft that described roller band moving axis is track roller, roller band moving axis rotates with track roller, described roller band moving axis drives axle bearing to be fixed in track roller resilient support arms by roller, and described shaft driven gear is fixedly installed on roller band moving axis, with roller band moving axis, rotates, described electrical generator is installed on track roller below, and described electrical generator is fixedly connected with frame by electrical generator and is fixedly mounted on sedan-chair body fixed mount, and described electrical generator driven gear is meshed with shaft driven gear, described treatment circuit, safety tongs initiating device are fixedly installed on sedan-chair body fixed mount, described treatment circuit is connected on the electric current output interface of electrical generator by electrical lead, the electrical signal of described treatment circuit is connected to safety tongs initiating device by electrical lead, described safety tongs is fixedly connected with frame by safety tongs and is fixed on sedan-chair body fixed mount, the end that the safety tongs of described safety tongs causes steel wire is connected on safety tongs initiating device, and the jaw of described safety tongs is placed on hoistway guide rail tongue.
Further, described track roller is made by the quality of rubber materials with larger coefficient of static friction.
Further, described treatment circuit comprises ac-dc converter circuit, voltage comparator circuit and control circuit, and ac-dc converter circuit, voltage comparator circuit, control circuit are electrically connected to successively.
Further, described safety tongs initiating device is electromagnetic relay or electric expansion device.
Compared with prior art, the present invention has the following advantages: (1) is simple in structure, low cost of manufacture; (2) be quick on the draw, utilize voltage induced technology, can judge the overspeed situation of its elevator operation, and when hypervelocity effective speed limit; (3) easy to detect, safe reliability is strong, and because safety tongs initiating device and safety tongs distance is short, and steel rope is difficult for drawing steel wire and causing fracture simultaneously with dragging, and whole inductance speed-limit device is installed concentratedly on elevator car body.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is construction profile schematic diagram shown in Fig. 1.
Fig. 3 is the treatment circuit structural representation shown in Fig. 1.
In figure: 1, sedan-chair body fixed mount; 2, hoistway guide rail; 3, track roller; 4, roller band moving axis; 5, shaft driven gear; 6, electrical generator; 7, electrical generator driven gear; 8, treatment circuit; 9, safety tongs initiating device; 10, safety tongs; 11, track roller resilient support arms; 12, roller drives axle bearing; 13, electrical generator is fixedly connected with frame; 14, safety tongs is fixedly connected with frame; 15, electrical lead; 16, safety tongs causes steel wire; 17, ac-dc converter circuit; 18, voltage comparator circuit; 19, control circuit.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment 1
With reference to accompanying drawing 1, Fig. 2, the present embodiment comprises sedan-chair body fixed mount 1, hoistway guide rail 2, track roller 3, roller band moving axis 4, shaft driven gear 5, electrical generator 6, treatment circuit 8, safety tongs initiating device 9, safety tongs 10, sedan-chair body fixed mount 1 is external on elevator car body, hoistway guide rail 2 is fixedly installed on well enclosure, track roller 3 is fixedly installed on sedan-chair body fixed mount 1 by track roller resilient support arms 11, the wheel face of track roller 3 touches and is attached on 2, hoistway guide rail, roller band moving axis 4 is the fixed connection shaft of track roller 3, roller band moving axis 4 rotates with track roller 3, roller band moving axis 4 drives axle bearing 12 to be fixed in track roller resilient support arms 11 by roller, shaft driven gear 5 is fixedly installed on roller band moving axis 4, with roller band moving axis, rotate, electrical generator 6 is installed on track roller 3 belows, electrical generator 6 is fixedly connected with frame 13 by electrical generator and is fixedly mounted on sedan-chair body fixed mount 1, electrical generator driven gear 7 is meshed with shaft driven gear 5, treatment circuit 8, safety tongs initiating device 9 is fixedly installed on sedan-chair body fixed mount 1, treatment circuit 8 is connected on the electric current output interface of electrical generator 6 by electrical lead 15, the electrical signal for the treatment of circuit 8 is connected to safety tongs initiating device 9 by electrical lead 15, safety tongs 10 is fixedly connected with frame 14 by safety tongs and is fixed on sedan-chair body fixed mount 1, the end that the safety tongs of safety tongs 10 causes steel wire 16 is connected on safety tongs initiating device 9, the jaw of safety tongs 10 is placed on hoistway guide rail 2 tongues.
Track roller 3 is made by the quality of rubber materials with larger coefficient of static friction.
With reference to accompanying drawing 3, treatment circuit 8 comprises ac-dc converter circuit 17, voltage comparator circuit 18 and control circuit 19, and ac-dc converter circuit 17, voltage comparator circuit 18, control circuit 19 are electrically connected to successively.
Safety tongs initiating device 9 is electromagnetic relay.
When elevator operation work, track roller 3 rotates with 2 relative motions of hoistway guide rail, and track roller 3 rotates and drives electrical generator 6 to rotate, thereby electrical generator 6 produces induction alternating voltage, its size that produces induced voltage is directly proportional to track roller 3 rotating speeds, is also directly proportional to elevator speed; Electrical generator 6 produces alternating voltage and is input to after treatment circuit 8, alternating current-direct current by treatment circuit 8 changes, voltage comparison procedure, judge elevator speed, when elevator speed output setting speed, treatment circuit 8 can be controlled and start 9 work of safety tongs initiating device, and then causes safety tongs 10 actions.
Embodiment 2
The difference of the present embodiment and embodiment 1 is only, safety tongs initiating device 9 is electric expansion device.All the other are substantially the same manner as Example 1.
Claims (4)
1. an elevator emergency inductance speed-limit device device, it is characterized in that, comprise sedan-chair body fixed mount (1), hoistway guide rail (2), track roller (3), roller band moving axis (4), shaft driven gear (5), electrical generator (6), treatment circuit (8), safety tongs initiating device (9), safety tongs (10), described sedan-chair body fixed mount (1) is external on elevator car body, described hoistway guide rail (2) is fixedly installed on well enclosure, described track roller (3) is fixedly installed on sedan-chair body fixed mount (1) by track roller resilient support arms (11), the wheel face of described track roller (3) touches and is attached on hoistway guide rail (2) face, described roller band moving axis (4) is the fixed connection shaft of track roller (3), roller band moving axis (4) rotates with track roller (3), it is upper that described roller band moving axis (4) drives axle bearing (12) to be fixed on track roller resilient support arms (11) by roller, and it is upper that described shaft driven gear (5) is fixedly installed in roller band moving axis (4), with roller band moving axis (4), rotates, described electrical generator (6) is installed on track roller (3) below, and described electrical generator (6) is fixedly connected with frame (13) by electrical generator and is fixedly mounted on sedan-chair body fixed mount (1) above, and described electrical generator driven gear (7) is meshed with shaft driven gear (5), described treatment circuit (8), safety tongs initiating device (9) is fixedly installed on sedan-chair body fixed mount (1), described treatment circuit (8) is connected on the electric current output interface of electrical generator (6) by electrical lead (15), the electrical signal of described treatment circuit (8) is connected to safety tongs initiating device (9) by electrical lead (15), described safety tongs (10) is fixedly connected with frame (14) by safety tongs and is fixed on sedan-chair body fixed mount (1), the safety tongs of described safety tongs (10) causes steel wire (16) end and is connected on safety tongs initiating device (9), the jaw of described safety tongs (10) is placed on hoistway guide rail (2) tongue.
2. elevator emergency inductance speed-limit device device according to claim 1, is characterized in that, described track roller (3) is made by the quality of rubber materials with larger coefficient of static friction.
3. elevator emergency inductance speed-limit device device according to claim 1 and 2, it is characterized in that, described treatment circuit (8) comprises ac-dc converter circuit (17), voltage comparator circuit (18) and control circuit (19), and ac-dc converter circuit (17), voltage comparator circuit (18), control circuit (19) are electrically connected to successively.
4. elevator emergency inductance speed-limit device device according to claim 1 and 2, is characterized in that, described safety tongs initiating device (9) is electromagnetic relay or electric expansion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410276720.0A CN104071672A (en) | 2014-06-20 | 2014-06-20 | Elevator emergency inductive speed-limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410276720.0A CN104071672A (en) | 2014-06-20 | 2014-06-20 | Elevator emergency inductive speed-limiting device |
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| CN104071672A true CN104071672A (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410276720.0A Pending CN104071672A (en) | 2014-06-20 | 2014-06-20 | Elevator emergency inductive speed-limiting device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555680A (en) * | 2014-12-29 | 2015-04-29 | 昆山京都电梯有限公司 | Lift capable of automatically charging storage batteries |
| CN105035906A (en) * | 2015-08-21 | 2015-11-11 | 李宝 | Vertical lift elevator with anti-falling device |
| CN106044454A (en) * | 2016-07-28 | 2016-10-26 | 常州信息职业技术学院 | Elevator car system and elevator car falling automatic detecting and braking device thereof |
| CN108466898A (en) * | 2017-05-27 | 2018-08-31 | 施建中 | A kind of lift appliance without trailing cable still workable when building has a power failure |
| CN109019230A (en) * | 2015-10-10 | 2018-12-18 | 马雪 | A kind of trigger device |
| CN111196539A (en) * | 2019-08-20 | 2020-05-26 | 北京升华电梯集团有限公司 | Power generation type speed limiter |
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| FI944981A0 (en) * | 1994-10-21 | 1994-10-21 | Kone Oy | Lift safety brake |
| CN101554968A (en) * | 2009-05-14 | 2009-10-14 | 郑州市鑫宇机械制造有限公司 | Traction-type construction lifting machine and gradual anti-falling safety device thereof |
| CN102332746A (en) * | 2011-06-23 | 2012-01-25 | 肖欣一 | Pulley energy-saving device with energy absorber |
| JP2012140214A (en) * | 2010-12-29 | 2012-07-26 | Mitsubishi Electric Corp | Malfunction prevention device of emergency stop device |
| CN203283986U (en) * | 2013-05-29 | 2013-11-13 | 江南嘉捷电梯股份有限公司 | Car frame speed limiting device |
| CN103588060A (en) * | 2013-10-30 | 2014-02-19 | 河北东方富达机械有限公司 | Elevator speed governor |
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2014
- 2014-06-20 CN CN201410276720.0A patent/CN104071672A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI944981A0 (en) * | 1994-10-21 | 1994-10-21 | Kone Oy | Lift safety brake |
| CN101554968A (en) * | 2009-05-14 | 2009-10-14 | 郑州市鑫宇机械制造有限公司 | Traction-type construction lifting machine and gradual anti-falling safety device thereof |
| JP2012140214A (en) * | 2010-12-29 | 2012-07-26 | Mitsubishi Electric Corp | Malfunction prevention device of emergency stop device |
| CN102332746A (en) * | 2011-06-23 | 2012-01-25 | 肖欣一 | Pulley energy-saving device with energy absorber |
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| CN103588060A (en) * | 2013-10-30 | 2014-02-19 | 河北东方富达机械有限公司 | Elevator speed governor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555680A (en) * | 2014-12-29 | 2015-04-29 | 昆山京都电梯有限公司 | Lift capable of automatically charging storage batteries |
| CN105035906A (en) * | 2015-08-21 | 2015-11-11 | 李宝 | Vertical lift elevator with anti-falling device |
| CN109019230A (en) * | 2015-10-10 | 2018-12-18 | 马雪 | A kind of trigger device |
| CN106044454A (en) * | 2016-07-28 | 2016-10-26 | 常州信息职业技术学院 | Elevator car system and elevator car falling automatic detecting and braking device thereof |
| CN108466898A (en) * | 2017-05-27 | 2018-08-31 | 施建中 | A kind of lift appliance without trailing cable still workable when building has a power failure |
| CN108466898B (en) * | 2017-05-27 | 2023-11-21 | 施建中 | Elevator device without trailing cable capable of being used when power failure occurs to building |
| CN111196539A (en) * | 2019-08-20 | 2020-05-26 | 北京升华电梯集团有限公司 | Power generation type speed limiter |
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Application publication date: 20141001 |