CN204958045U - Elevator electromagnetic braking device - Google Patents

Elevator electromagnetic braking device Download PDF

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Publication number
CN204958045U
CN204958045U CN201520749503.9U CN201520749503U CN204958045U CN 204958045 U CN204958045 U CN 204958045U CN 201520749503 U CN201520749503 U CN 201520749503U CN 204958045 U CN204958045 U CN 204958045U
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CN
China
Prior art keywords
car
elevator
electro
electromagnet
safety tongs
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Expired - Fee Related
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CN201520749503.9U
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Chinese (zh)
Inventor
黄波
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黄波
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Priority to CN201520749503.9U priority Critical patent/CN204958045U/en
Application granted granted Critical
Publication of CN204958045U publication Critical patent/CN204958045U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses an elevator electromagnetic braking device, be used for promoting the brake arm that safe forceps holder is tight including the safety tongs that is used for when the improper displacement of car pressing from both sides tight guide rail and two when the improper displacement of car, install the electro -magnet between the other end of two brake arms, the electro -magnet both ends are equipped with can outwardly directed expenditure pole, is equipped with the spring between electro -magnet terminal surface and the close brake arm, and it is articulated with close brake arm that the expenditure pole passes through the bolt, and the spring cup joints on the expenditure pole, be equipped with the control box that is used for controlling electro -magnet work above the car, the control box input is connected with control elevator operation's lift control mainboard output electricity, and the control box output is connected with electro -magnet input electricity. The utility model discloses a can can drop into the action when the elevator produces improper displacement under the condition that current elevator arresting gear became invalid at once, avoid improper displacement harm to last the electromagnetism arresting gear who enlarges.

Description

A kind of elevator electro-magnetic braking device
Technical field
The utility model is specifically related to a kind of elevator electro-magnetic braking device.
Background technology
Elevator brake is the important safety device of elevator, it safe, be reliably one of key factor ensureing elevator safety operation.Elevator runs in elevator, by hoist cable hanging in elevator, and control it by a series of physical construction and electronic system and rise or decline, due to physical construction and electronic system inevitably et out of order, therefore elevator must have the processing equipment of emergency situation, avoids the improper displacement of car to cause personal casualty in car.
The improper displacement of car mainly comprises three kinds of situations: car opens the door ladder, and namely elevator does not stop in desired location, or elevator stops and in the upper and lower car process of pedestrian, elevator is displaced to suddenly between two floors.Car stall or out of controlly to fall, due to the stall falling accident that braking force is not enough or make braking force deficiency cause due to overload.Rush to summit, elevator control unit fault or brake fault, cause elevator in up process, do not rest in desired location in time, but continue up.
The drg of the elevator of China's existing reply car improper displacement situation mainly comprises following three kinds: band-type brake, is arranged on elevator main, tightly embraces traction sheave or main frame turning unit when elevator is out of service by spring force; Drawback, when force fades, inefficacy or the contact surface when band-type brake and turning unit exist greasy dirt, will cause braking force to be decayed and make the improper displacement of car continue to occur.Safety tongs velocity limiter, when elevator overspeed reaches 112%, velocity limiter action, conducts to safety tongs by steel rope by power, and pulls the safety tongs be arranged on car, cause safety tongs action to complete elevator brake process; Drawback, when terraced situation appears opening the door in elevator, elevator speed does not also reach 112%, and safety tongs can not reach the condition of action, but the passenger of turnover Room door is caused to the injury of shearing, extruding.Wire holder, the velocity limiter action when elevator overspeed reaches 112%, wire holder action clamping guide-rail, completes elevator brake; Drawback: when terraced situation appears opening the door in elevator, elevator speed does not also reach 112%, and safety tongs can not reach the condition of action, but the passenger of turnover Room door is caused to the injury of shearing, extruding.
The existing elevator standard of China and standard modification original text are to the strick precaution improper displacement harm of described car above; mainly through strengthening routine inspection and maintaining " solve; but repair and maintenance personnel at every moment can not monitor the size of braking force; even if use advanced braking force monitoring sensor also can only play the effect of monitoring, protective effect timely and effectively can not be provided when improper displacement occurs car.
Known in sum, current elevator does not also have a kind of when brake device for elevator lost efficacy, and can drop into action when elevator produces improper displacement at once, avoids improper displacement to endanger the drg of continuous enlargement.
Utility model content
The purpose of this utility model is the shortcoming overcoming prior art, there is provided a kind of can when existing brake device for elevator loses efficacy, action can be dropped into when elevator produces improper displacement at once, avoid improper displacement to endanger the electro-magnetic braking device of continuous enlargement.
For achieving the above object, technical solution adopted in the utility model is: provide a kind of elevator electro-magnetic braking device, comprise for the safety tongs of the clamping guide-rail when car improper displacement and two for promoting the brake control levers of safety tongs clamping during in car improper displacement, one end and brake casing that brake control lever promotes safety tongs are hinged, safety tongs be provided with stop car to move down upper contract block group and prevention car on the lower contract block group of moving;
The electromagnet being in closure state when being energized is installed between the other end of two brake control levers, electromagnet two ends are provided with can outwardly directed rod when not being energized and being in release position, be provided with as a protruding spring providing power of rod between electromagnet end face and close brake control lever, rod is hinged by bolt and close brake control lever, and spring housing is connected on and props up on rod;
Be provided with the control capsule for controlling work of electromagnet above car, the elevator controlling mainboard mouth that control capsule input end runs with control elevator is electrically connected, and control capsule mouth is electrically connected with electromagnet input end.
As preferably, above car, be provided with the accelerometer for monitoring car acceleration numerical value, control capsule input end and the electrical connection of accelerometer mouth.
the beneficial effects of the utility model are:
1, the utility model control capsule by elevator controlling mainboard monitor car there is improper displacement time, control capsule controls electromagnet power-off release, a rod protruding promotion brake control lever under the action of the spring at electromagnet two ends, brake control lever with the hinged place of brake casing for fulcrum makes safety tongs clamp under leverage, upper contract block group on safety tongs stops car to move down, and the lower contract block group on safety tongs stops on car moves.Thus when existing brake device for elevator lost efficacy, can drop into action when elevator produces improper displacement at once, avoid improper displacement to endanger the electro-magnetic braking device of continuous enlargement.
2, the accelerometer for monitoring car acceleration numerical value is provided with above car of the present utility model, control capsule input end and the electrical connection of accelerometer mouth.Accelerometer can prevent when control capsule occurs mistake to the monitoring result of elevator controlling mainboard, and control capsule can be monitored car by accelerometer and whether be occurred improper displacement, is conducive to the reliability improving this device further.
Accompanying drawing explanation
Fig. 1 is the structural representation of elevator electro-magnetic braking device;
Fig. 2 is the A direction structure schematic diagram of elevator electro-magnetic braking device;
Fig. 3 is the B direction structure schematic diagram of elevator electro-magnetic braking device;
Fig. 4 is the schematic block circuit diagram one of elevator electro-magnetic braking device;
Fig. 5 is the schematic block circuit diagram two of elevator electro-magnetic braking device.
Wherein: 1, brake control lever; 2, safety tongs; 3, upper contract block group; 4, electromagnet; 5, rod is propped up; 6, spring; 7, lower contract block group; 8, brake casing; 9, bolt.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with the utility model specific embodiment and corresponding accompanying drawing, technical solutions of the utility model are clearly and completely described.
embodiment 1:with reference to figure 1,2,3, the present embodiment provides a kind of elevator electro-magnetic braking device, a kind of elevator electro-magnetic braking device is provided, comprise for the safety tongs 2 of the clamping guide-rail when car improper displacement and two for promoting the brake control levers 1 that safety tongs 2 clamps during in car improper displacement, brake control lever 1 promote one end of safety tongs 2 and brake casing 8 hinged, safety tongs 2 is provided with the upper contract block group 3 that stops car to move down and stops the lower contract block group 7 that car moves.
The electromagnet 4 being in closure state when being energized is installed between the other end of two brake control levers 1, electromagnet 4 two ends are provided with can outwardly directed rod 5 when not being energized and being in release position, be provided with as a protruding spring 6 providing power of rod 5 between electromagnet 4 end face and close brake control lever 1, prop up rod 5 hinged by bolt 9 and close brake control lever 1, spring 6 is socketed on a rod 5.
Be provided with the control capsule worked for controlling electromagnet 4 above car, the elevator controlling mainboard mouth that control capsule input end runs with control elevator is electrically connected, and whether control capsule, by elevator controlling mainboard monitoring car, improper displacement occurs; Control capsule mouth is electrically connected with electromagnet 4 input end, and control capsule controls electromagnet 4 when improper displacement does not occur car and is energized closed monitoring, and control capsule controls electromagnet 4 power-off release monitoring when improper displacement occurs car.
embodiment 2:with reference to figure 1,2,3,4, the present embodiment provides a kind of operating method of elevator electro-magnetic braking device, comprises the following steps:
Control capsule collects the operating state signal about elevator by elevator controlling mainboard, to monitor car, whether improper displacement occurs.
Control capsule by elevator controlling mainboard do not monitor car there is improper displacement time, control capsule controls electromagnet 4 and is energized closed, and a rod 5 at electromagnet 4 two ends is in rounding state, and car is normally run.
Control capsule by elevator controlling mainboard monitor car there is improper displacement time, control capsule controls electromagnet 4 power-off release, rod 5 protruding promotion brake control lever 1 under the effect of spring 6 at electromagnet 4 two ends, brake control lever 1 with the hinged place of brake casing 8 for fulcrum makes safety tongs 2 clamp under leverage, upper contract block group 3 on safety tongs 2 stops car to move down, and the lower contract block group 7 on safety tongs 2 stops on car moves.
embodiment 3:with reference to figure 1,2,3, the present embodiment provides a kind of elevator electro-magnetic braking device, a kind of elevator electro-magnetic braking device is provided, comprise for the safety tongs 2 of the clamping guide-rail when car improper displacement and two for promoting the brake control levers 1 that safety tongs 2 clamps during in car improper displacement, brake control lever 1 promote one end of safety tongs 2 and brake casing 8 hinged, safety tongs 2 is provided with the upper contract block group 3 that stops car to move down and stops the lower contract block group 7 that car moves.
The electromagnet 4 being in closure state when being energized is installed between the other end of two brake control levers 1, electromagnet 4 two ends are provided with can outwardly directed rod 5 when not being energized and being in release position, be provided with as a protruding spring 6 providing power of rod 5 between electromagnet 4 end face and close brake control lever 1, prop up rod 5 hinged by bolt 9 and close brake control lever 1, spring 6 is socketed on a rod 5.Be provided with the control capsule worked for controlling electromagnet 4 above car, the elevator controlling mainboard mouth that control capsule input end runs with control elevator is electrically connected, and whether control capsule, by elevator controlling mainboard monitoring car, improper displacement occurs.
Control capsule mouth is electrically connected with electromagnet 4 input end, and control capsule controls electromagnet 4 when improper displacement does not occur car and is energized closed monitoring, and control capsule controls electromagnet 4 power-off release monitoring when improper displacement occurs car.
Be provided with the accelerometer for monitoring car acceleration numerical value above car, control capsule input end and the electrical connection of accelerometer mouth, whether control capsule there is improper displacement by the monitoring numerical value determination car of accelerometer.
embodiment 4:with reference to figure 1,2,3,5, control capsule collects the operating state signal about elevator by elevator controlling mainboard, to monitor car, whether improper displacement occurs.
Whether control capsule is normal by accelerometer monitoring car acceleration numerical value, to determine whether car occurs improper displacement.
Control capsule by elevator controlling mainboard and accelerometer all do not monitor car there is improper displacement time, control capsule controls electromagnet 4 and is energized closed, and a rod 5 at electromagnet 4 two ends is in rounding state, and car is normally run.
Control capsule by elevator controlling mainboard or accelerometer monitor car there is improper displacement time, control capsule controls electromagnet 4 power-off release, rod 5 protruding promotion brake control lever 1 under the effect of spring 6 at electromagnet 4 two ends, brake control lever 1 with the hinged place of brake casing 8 for fulcrum makes safety tongs 2 clamp under leverage, upper contract block group 3 on safety tongs 2 stops car to move down, and the lower contract block group 7 on safety tongs 2 stops on car moves.
Above-mentioned embodiment is used for explaining and the utility model is described; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection domain of the present utility model.

Claims (2)

1. an elevator electro-magnetic braking device, comprise for the safety tongs of the clamping guide-rail when car improper displacement and two for promoting the brake control levers of safety tongs clamping during in car improper displacement, one end and the brake casing of brake control lever promotion safety tongs are hinged, safety tongs is provided with and stops the upper contract block group that moves down of car and stop the lower contract block group that car moves, and it is characterized in that:
The electromagnet being in closure state when being energized is installed between the other end of described two brake control levers, electromagnet two ends are provided with can outwardly directed rod when not being energized and being in release position, be provided with as a protruding spring providing power of rod between electromagnet end face and close brake control lever, rod is hinged by bolt and close brake control lever, and spring housing is connected on and props up on rod;
Be provided with the control capsule for controlling work of electromagnet above described car, the elevator controlling mainboard mouth that control capsule input end runs with control elevator is electrically connected, and control capsule mouth is electrically connected with electromagnet input end.
2. elevator electro-magnetic braking device according to claim 1, is characterized in that: be provided with the accelerometer for monitoring car acceleration numerical value above described car, control capsule input end and the electrical connection of accelerometer mouth.
CN201520749503.9U 2015-09-25 2015-09-25 Elevator electromagnetic braking device Expired - Fee Related CN204958045U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520749503.9U CN204958045U (en) 2015-09-25 2015-09-25 Elevator electromagnetic braking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520749503.9U CN204958045U (en) 2015-09-25 2015-09-25 Elevator electromagnetic braking device

Publications (1)

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CN204958045U true CN204958045U (en) 2016-01-13

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Application Number Title Priority Date Filing Date
CN201520749503.9U Expired - Fee Related CN204958045U (en) 2015-09-25 2015-09-25 Elevator electromagnetic braking device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106144827A (en) * 2016-08-24 2016-11-23 东南电梯股份有限公司 A kind of bidirectional safe forceps system preventing door-opened elevator state car accidental movement
CN108483175A (en) * 2018-04-04 2018-09-04 浙江蒂尔森电梯有限公司 A kind of elevator safety device for emergency operation
CN109678028A (en) * 2019-01-31 2019-04-26 南通中尧特雷卡电梯产品有限公司 A kind of elevator shock-absorbing rail clamping device of synchronous wheel drive

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106144827A (en) * 2016-08-24 2016-11-23 东南电梯股份有限公司 A kind of bidirectional safe forceps system preventing door-opened elevator state car accidental movement
CN106144827B (en) * 2016-08-24 2018-08-07 东南电梯股份有限公司 A kind of bidirectional safe forceps system preventing door-opened elevator state car accidental movement
CN108483175A (en) * 2018-04-04 2018-09-04 浙江蒂尔森电梯有限公司 A kind of elevator safety device for emergency operation
CN109678028A (en) * 2019-01-31 2019-04-26 南通中尧特雷卡电梯产品有限公司 A kind of elevator shock-absorbing rail clamping device of synchronous wheel drive

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160113

Termination date: 20170925

CF01 Termination of patent right due to non-payment of annual fee