CN106185524B - Elevator prevents car accidental movement and the safety guard of hypervelocity - Google Patents

Elevator prevents car accidental movement and the safety guard of hypervelocity Download PDF

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Publication number
CN106185524B
CN106185524B CN201610850287.6A CN201610850287A CN106185524B CN 106185524 B CN106185524 B CN 106185524B CN 201610850287 A CN201610850287 A CN 201610850287A CN 106185524 B CN106185524 B CN 106185524B
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China
Prior art keywords
car
door
steel wire
elevator
displacement sensor
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CN201610850287.6A
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CN106185524A (en
Inventor
牛曙光
蒋晓梅
周建
郭伟伟
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Changshu Institute of Technology
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Changshu Institute of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • B66B7/02Guideways; Guides

Abstract

A kind of elevator prevents car accidental movement and the safety guard of hypervelocity, including car, carrying means, roller type safety tongs, door machine contactor, displacement sensor, electromagnetic controller and intelligent controller, roller type safety tongs includes annular knurl wheel assembly, trigger holder, fixed supported slab, cylindrical compression spring, steel wire pulling plate, limit steel wire rope and caliper, door machine contactor is mounted on the on-off action for detecting car door in door machine, displacement sensor is mounted on car for detecting displacement of the car door under door opening state, electromagnetic controller is mounted on car, the mobile bar of electromagnetic controller is connect with limit steel wire rope, intelligent controller respectively with door machine contactor, displacement sensor and electromagnetic controller electrical connection.Advantage:It can prevent the phenomenon that car continues to be lifted off stop when car door is opened, avoid that shearing accident, the personal safety of effective protection passenger occurs;Has the function of stop car when elevator overspeed, simple in structure, intelligence degree is high.

Description

Elevator prevents car accidental movement and the safety guard of hypervelocity
Technical field
The invention belongs to elevator car safety technical fields, and in particular to elevator prevents the peace of car accidental movement and hypervelocity Full protection device.
Background technology
With deepening continuously for economic fast-developing and Development of China's Urbanization, the quantity of China's skyscraper increases year by year, Elevator has become the indispensable tool of manned loading in skyscraper.The basic principle of cabin elevator is exactly tractive driving, sedan-chair Compartment is connected with counterweight by traction steel-cable, and traction steel-cable is hung on the traction sheave, and traction sheave is dragged by traction motor, is made to hang over and be draged Traction steel-cable on running wheel is moved by the effect of frictional force, then drives car lifting.To ensure the accurate flat bed of elevator energy, Reliable to stop, elevator is additionally provided with locking system, so that car is reliably stopped by the frictional force between brake shoe and wheel hub when stopping ladder.Electricity Ladder is after being used for a long time, and because of reasons such as mechanical wears, traction steel-cable and traction sheave will appear different degrees of abrasion, cause to drag Reduced gravity, and the abrasion between brake shoe and wheel hub can then cause brake force to decline.In addition, the overload during routine use is made Industry also results in traction deficiency and brake force is insufficient.Once traction and brake force go wrong, it is possible to cause sedan-chair Accidental movement leaves the situation of stop after compartment is opened the door, the accident for causing people to be sheared by lift car and hoistway lift door frame.Transmission, The failure of any one link of traction and braking is also possible to that elevator up-down is caused to exceed the speed limit, and even causes when serious and rushes to summit.Car The protection of accidental movement and elevator overspeed is one of the main contents of current elevator industry research, and mainly stop car is in layer door Do not lock or car door be not turned off in the case of leave the accidental movement of stop, while also to have elevator overspeed when, can stop car Function.
In view of above-mentioned prior art, the applicant has made beneficial design, technical solution described below be It is generated under this background.
Invention content
The purpose of the present invention is to provide a kind of elevators to prevent car accidental movement and the safety guard of hypervelocity, can The stop car when stop and elevator overspeed are left in car enabling, intelligence degree is high, simple and reasonable.
The purpose of the present invention is in this way to reach, and a kind of elevator prevents the safeguard protection of car accidental movement and hypervelocity from filling It sets, including car, carrying means and roller type safety tongs, the car includes car door and the sedan-chair for installing car door Compartment doorframe, the carrying means include traction sheave and traction steel-cable, and the traction steel-cable is hung on the traction sheave, One end of traction steel-cable connects car, and the other end connects counterweight, and the roller type safety tongs is above corresponding to car Position and hoistway guide rail coordinate, roller type safety tongs include annular knurl wheel assembly, triggering holder, fixed supported slab, cylindrical compression spring, Steel wire pulling plate, limit steel wire rope and caliper, the annular knurl wheel assembly are mounted on triggering holder and link with triggering holder, touch It sends out holder and is equipped with strut above, the fixed supported slab and cylindrical compression spring are sequentially sleeved at from top to bottom on the strut, The upper end of cylindrical compression spring is supported on fixed supported slab, and lower end is supported on triggering holder, one end of the steel wire pulling plate It is connect with limit steel wire rope, the other end of steel wire pulling plate is arranged in the lower section of triggering holder, and the caliper be located in hoistway and lead It is offered in longitudinally arranged knurled wheel holding tank, the knurled wheel on rail and on the lower section of triggering holder, caliper The side wall of the separate guide rail side of holding tank is configured to inclined wall along short transverse gradual narrow contracting from top to bottom, the annular knurl Wheel assembly is connect with the inclined wall slide fit, it is characterised in that:Further include door machine contactor, displacement sensor, electromagnetic controller with And intelligent controller, the door machine contactor are mounted on the on-off action for detecting car door, the displacement in door machine Sensor is mounted on car for detecting displacement of the car door under door opening state, and the electromagnetic controller is mounted on car On, the mobile bar of electromagnetic controller is connect with limit steel wire rope, and the intelligent controller is passed with door machine contactor, displacement respectively Sensor and electromagnetic controller electrical connection.
In the specific embodiment of the present invention, the intelligent controller is in car door opening, door machine contactor Accidental movement when disconnection for screening car, and in elevator normal operation for screening whether car exceeds the speed limit.
In another specific embodiment of the present invention, the displacement sensor is mounted on the top of car doorframe.
In another specific embodiment of the present invention, the counterweight is equipped with guide wheel, and the guide wheel is used for The position of counterweight is limited in machine room elevator.
The present invention compared with prior art, has an advantageous effect in that due to the above structure,:It can prevent car The phenomenon that continuing to be lifted off stop when car door is opened avoids that shearing accident occurs, to effective protection elevator passenger Personal safety;Have the function of stop car when elevator overspeed, overall structure advantages of simple, intelligence degree height simultaneously;It is described Intelligent controller car accidental movement is only screened when car door is opened and door machine contactor disconnects, and in elevator normal operation When screen elevator overspeed, it is difunctional to be beneficial to reduce cost.
Description of the drawings
Fig. 1 is the overall structure diagram when present invention is applied to machine room elevator.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural schematic diagram of roller type safety tongs of the present invention.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is door machine schematic diagram.
Fig. 6 is the overall structure diagram when present invention is applied to machine-roomless lift.
In figure:1. car, 11. car doors, 12. car doorframes;2. carrying means, 21. traction sheaves, 22. traction steel-cables; 3. roller type safety tongs, 31. annular knurl wheel assemblies, 32. triggering holders, 321. struts, 33. fixed supported slabs, 34. cylinders compress bullet Spring, 35. steel wire pulling plates, 36. limit steel wire ropes, 37. calipers, 371. knurled wheel holding tanks;4. door machine contactor;5. displacement sensing Device;6. electromagnetic controller;7. intelligent controller;8. counterweight, 81. guide wheels;9. hoistway guide rail.
Specific implementation mode
Applicant will below be described in detail the specific implementation mode of the present invention in conjunction with attached drawing, but applicant is to embodiment Description be not limitation to technical solution, any design according to the present invention, which changes in the form rather than substance, all should be considered as this The protection domain of invention.
Embodiment 1:
It please refers to Fig.1 and Fig. 2, the present invention relates to a kind of elevators to prevent the safeguard protection of car accidental movement and hypervelocity from filling It sets, including car 1, carrying means 2 and roller type safety tongs 3, the car 1 is including car door 11 and for installing car The car doorframe 12 of door 11.The carrying means 2 include traction sheave 21 and traction steel-cable 22, the traction sheave 21 peace It mounted in the computer room of well headroom, is driven by traction motor, the traction steel-cable 22 is hung on traction sheave 21, is draged Draw one end connection car 1 of steel wire rope 22, the other end connects counterweight 8.The car 1 and carrying means 2 belongs to known skill Art scope, thus the not reinflated description of the applicant.In the present embodiment, the elevator is machine room elevator, described at this time Counterweight 8 is equipped with guide wheel 81, position of the guide wheel 81 for limiting counterweight 8 in machine room elevator.The roller type peace Full pincers 3 coordinate corresponding to the position above car 1 with hoistway guide rail 9.
Fig. 3 and Fig. 4 are please referred to, the roller type safety tongs 3 includes annular knurl wheel assembly 31, triggering holder 32, fixed branch Plate 33, cylindrical compression spring 34, steel wire pulling plate 35, limit steel wire rope 36 and caliper 37.The annular knurl wheel assembly 31 is installed It links with triggering holder 32 on triggering holder 32, triggering holder 32 is equipped with strut 321,33 He of fixed supported slab above Cylindrical compression spring 34 is sequentially sleeved at from top to bottom on the strut 321.The upper end of cylindrical compression spring 34 is supported on fixed branch On plate 33, lower end is supported on triggering holder 32.One end of the steel wire pulling plate 35 is connect with limit steel wire rope 36, and steel wire is drawn The other end of plate 35 is arranged in the lower section of triggering holder 32.When tensing limit steel wire rope 36, the other end of steel wire pulling plate 35 is upward Jacking triggering holder 32, to drive annular knurl wheel assembly 31 to move up;When loosening limit steel wire rope 36, cylindrical compression spring 34 Triggering holder 32 is pushed to move down due to by the pressure of fixed supported slab 33.The caliper 37 be located on hoistway guide rail 9 And positioned at the lower section of triggering holder 32, offered in longitudinally arranged knurled wheel holding tank 371, the annular knurl on caliper 37 The side wall for taking turns 9 side of separate guide rail of holding tank 371 is configured to inclined wall along short transverse gradual narrow contracting from top to bottom, described Annular knurl wheel assembly 31 connect with the inclined wall slide fit.When annular knurl wheel assembly 31 is moved up with triggering holder 32, along annular knurl It takes turns the inclined wall upward sliding of holding tank 371 and is detached with hoistway guide rail 9, stop braking car 1;Conversely, working as knurled wheel group When part 31 is moved down with triggering holder 32, connect with hoistway guide rail 9 along the inclined wall slide downward of knurled wheel holding tank 371 It touches, implements to brake to car 1.
Please continue to refer to Fig. 1 and Fig. 2, and Fig. 5 is combined, the elevator prevents the safety of car accidental movement and hypervelocity from protecting Protection unit further includes door machine contactor 4, displacement sensor 5, electromagnetic controller 6 and intelligent controller 7, wherein the door Machine contactor 4 uses NDQX41B, and the displacement sensor 5 uses OS-2436-4, the model of the electromagnetic controller 6 this Place is not construed as limiting, the conventional products of existing market can be used, the intelligent controller 7 is using UNO R3.The door machine connects Tentaculum 4 is mounted on the on-off action for detecting car door 11 in door machine, and when car door 1 is closed, door machine contactor 4 is connected, when Door machine contactor 4 disconnects when car door 1 is opened.The displacement sensor 5 is mounted on car 1 to exist for detecting car door 11 Displacement under door opening state, displacement sensor 5 is mounted on the top of car doorframe 12 in the present embodiment.The Electromagnetic Control Device 6 is mounted on car 1, and the mobile bar of electromagnetic controller 6 is connect with limit steel wire rope 36, for drawing or loosening limit steel wire Rope 36.The intelligent controller 7 is electrically connected with door machine contactor 4, displacement sensor 5 and electromagnetic controller 6 respectively.Intelligence Accidental movement of the controller 7 when car door 11 is opened, door machine contactor 4 is disconnected for screening car 1, and closed in car door 11 Close, elevator operation when for screening whether car 1 exceeds the speed limit.The installation site of intelligent controller 7 is unrestricted, herein preferred installation In in computer room.Intelligent controller 7 receives the signal from door machine contactor 4 and displacement sensor 5, when car 1 is in the areas Ceng Men After completing braking, judge whether car 1 is subjected to displacement when car door 11 is opened;When the elevator is run, judge car 1 in car Whether door 11 exceeds the speed limit when closing.When displacement sensor 5 detects that car 1 occurs upwards in the state that car door 11 is opened Accidental movement when, export corresponding signal to intelligent controller 7, by intelligent controller 7 drive electromagnetic controller 6 act, Limit steel wire rope 36 is unclamped, annular knurl wheel assembly 31 is moved down with triggering holder 32 at this time, along the inclination of knurled wheel holding tank 371 Wall slide downward and contacted with hoistway guide rail 9, frictional force is generated to hoistway guide rail 9, to which braking is led in hoistway rapidly by car 1 On rail 9.When car door 11 is closed, elevator operation is when exceeding the speed limit, the signal that intelligent controller 7 is fed back according to displacement sensor 5 Electromagnetic controller 10 is driven to act, stop car 1.
Embodiment 2:
Referring to Fig. 6, in the present embodiment, the elevator is machine-roomless lift, the counterweight 8 is not equipped with guide wheel 81, remaining is the same as embodiment 1.

Claims (4)

1. a kind of elevator prevent car accidental movement and the safety guard of hypervelocity, including car (1), carrying means (2) with And roller type safety tongs (3), the car (1) include car door (11) and the car doorframe for installing car door (11) (12), the carrying means (2) include traction sheave (21) and traction steel-cable (22), and the traction steel-cable (22) is hung It is located on traction sheave (21), one end connection car (1) of traction steel-cable (22), the other end connects counterweight (8), the idler wheel Formula safety tongs (3) coordinates corresponding to the position above car (1) with hoistway guide rail (9), and roller type safety tongs (3) includes annular knurl Wheel assembly (31), triggering holder (32), fixed supported slab (33), cylindrical compression spring (34), steel wire pulling plate (35), limit steel wire rope (36) and caliper (37), the annular knurl wheel assembly (31) are mounted on triggering holder (32) and link with triggering holder (32), It triggers holder (32) and is equipped with strut (321) above, the fixed supported slab (33) and cylindrical compression spring (34) are from top to bottom It is sequentially sleeved on the strut (321), the upper end of cylindrical compression spring (34) is supported on fixed supported slab (33), and lower end is supported on Trigger on holder (32), one end of the steel wire pulling plate (35) is connect with steel wire rope (36) is limited, steel wire pulling plate (35) it is another In the lower section of triggering holder (32), the caliper (37) be located on hoistway guide rail (9) and positioned at triggering branch for one end setting The lower section of frame (32) is offered in longitudinally arranged knurled wheel holding tank (371), the knurled wheel holding tank on caliper (37) (371) side wall of separate guide rail (9) side is configured to inclined wall along short transverse gradual narrow contracting from top to bottom, the rolling Floral whorl component (31) is connect with the inclined wall slide fit, it is characterised in that:Further include door machine contactor (4), displacement sensor (5), Electromagnetic controller (6) and intelligent controller (7), the door machine contactor (4) are mounted in door machine for detecting car door (11) on-off action, the displacement sensor (5) are mounted on car (1) for detecting car door (11) in door opening state Under displacement, the electromagnetic controller (6) is mounted on car (1), the mobile bar of electromagnetic controller (6) and limit steel wire rope (36) connect, the intelligent controller (7) respectively with door machine contactor (4), displacement sensor (5) and electromagnetic controller (6) it is electrically connected.
2. elevator according to claim 1 prevents car accidental movement and the safety guard of hypervelocity, it is characterised in that Accident of the intelligent controller (7) when car door (11) is opened, door machine contactor (4) is disconnected for screening car (1) It is mobile, and in elevator normal operation for screening whether car (1) exceeds the speed limit.
3. elevator according to claim 1 prevents car accidental movement and the safety guard of hypervelocity, it is characterised in that The displacement sensor (5) is mounted on the top of car doorframe (12).
4. elevator according to claim 1 prevents car accidental movement and the safety guard of hypervelocity, it is characterised in that The counterweight (8) is equipped with guide wheel (81), position of the guide wheel (81) for limiting counterweight (8) in machine room elevator.
CN201610850287.6A 2016-09-26 2016-09-26 Elevator prevents car accidental movement and the safety guard of hypervelocity Active CN106185524B (en)

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CN201610850287.6A CN106185524B (en) 2016-09-26 2016-09-26 Elevator prevents car accidental movement and the safety guard of hypervelocity

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Application Number Priority Date Filing Date Title
CN201610850287.6A CN106185524B (en) 2016-09-26 2016-09-26 Elevator prevents car accidental movement and the safety guard of hypervelocity

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CN106185524B true CN106185524B (en) 2018-08-24

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110395630B (en) * 2019-07-26 2021-12-07 上海三菱电梯有限公司 Elevator control circuit
CN112027853B (en) * 2020-09-25 2022-02-08 中徽建技术有限公司 Elevator fault information transmission device in wisdom community
CN112374321A (en) * 2020-11-09 2021-02-19 山东奔速电梯股份有限公司 Bottomless pit braking device for home elevator
CN113071970A (en) * 2021-03-30 2021-07-06 日立电梯(中国)有限公司 Electric control type safety gear trigger device

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Publication number Priority date Publication date Assignee Title
CN2767399Y (en) * 2005-01-19 2006-03-29 潘绍江 Hydraulic elevator brake device
CN101287670A (en) * 2006-07-14 2008-10-15 维托公开股份有限公司 ISG type multifunctional electronic urgent safety clamp
JP4629669B2 (en) * 2004-04-20 2011-02-09 三菱電機株式会社 Elevator emergency stop system
CN103754720A (en) * 2013-12-31 2014-04-30 日立电梯(上海)有限公司 Protection device for preventing lift car from moving accidentally and protection method thereof
CN204702462U (en) * 2015-02-26 2015-10-14 雄宇集团无锡电梯安装技术有限公司 Building engineering fills the manual lock rail device of lifting table with lift boy
CN105540378A (en) * 2016-02-26 2016-05-04 上海盛蒂斯自动化设备有限公司 Protection system for preventing elevator car from moving by accident
CN206032940U (en) * 2016-09-26 2017-03-22 常熟理工学院 Elevator prevents unexpected safety arrangement who removes and exceed speed limit of car

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4629669B2 (en) * 2004-04-20 2011-02-09 三菱電機株式会社 Elevator emergency stop system
CN2767399Y (en) * 2005-01-19 2006-03-29 潘绍江 Hydraulic elevator brake device
CN101287670A (en) * 2006-07-14 2008-10-15 维托公开股份有限公司 ISG type multifunctional electronic urgent safety clamp
CN103754720A (en) * 2013-12-31 2014-04-30 日立电梯(上海)有限公司 Protection device for preventing lift car from moving accidentally and protection method thereof
CN204702462U (en) * 2015-02-26 2015-10-14 雄宇集团无锡电梯安装技术有限公司 Building engineering fills the manual lock rail device of lifting table with lift boy
CN105540378A (en) * 2016-02-26 2016-05-04 上海盛蒂斯自动化设备有限公司 Protection system for preventing elevator car from moving by accident
CN206032940U (en) * 2016-09-26 2017-03-22 常熟理工学院 Elevator prevents unexpected safety arrangement who removes and exceed speed limit of car

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