CN105110131A - Elevator electromagnetic braking device and operation method thereof - Google Patents
Elevator electromagnetic braking device and operation method thereof Download PDFInfo
- Publication number
- CN105110131A CN105110131A CN201510618278.XA CN201510618278A CN105110131A CN 105110131 A CN105110131 A CN 105110131A CN 201510618278 A CN201510618278 A CN 201510618278A CN 105110131 A CN105110131 A CN 105110131A
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- car
- elevator
- electromagnet
- control capsule
- safety tongs
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Abstract
The invention discloses an elevator electromagnetic braking device and an operation method thereof. The elevator electromagnetic braking device comprises safety tongs for clamping guide rails when a lift car is in an abnormal displacement state and two braking arms for pushing the safety tongs to conduct clamping in the abnormal displacement state of the lift cat. An electromagnet is arranged between the other ends of the two braking arms. The two ends of the electromagnet are provided with stretching rods capable of stretching outwards. Springs are arranged between the end face of the electromagnet and the near braking arms. The stretching rods are hinged to the near braking arms through bolts. The springs are connected to the stretching rods in a sleeving mode. The lift car is provided with a control box for controlling the electromagnet to work. The input end of the control box is electrically connected with the output end of an elevator control mainboard for controlling the elevator to operate, and the output end of the control box is electrically connected with the input end of the electromagnet. The elevator electromagnetic braking device can act when an existing elevator braking device is invalid, and the elevator is in the abnormal displacement state, and the dangers of abnormal displacement are prevented from expanding continuously.
Description
Technical field
The present invention is specifically related to a kind of elevator electro-magnetic braking device and operating method thereof.
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.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, provide a kind of 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.
For achieving the above object, the technical solution used in the present invention is:
On the one hand, a kind of elevator electro-magnetic braking device is provided, 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 whether control capsule, by elevator controlling mainboard monitoring car, improper displacement occurs; Control capsule mouth is electrically connected with electromagnet input end, and to control electromagnet energising when improper displacement does not occur car closed monitoring for control capsule, and control capsule controls electromagnet power-off release monitoring when improper displacement occurs car.
As preferably, 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.
On the other hand, a kind of operating method of elevator electro-magnetic braking device is provided, comprises the following steps:
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, it is closed that control capsule controls electromagnet energising, and a rod at electromagnet 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 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.
beneficial effect of the present invention is:
1, the present invention 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, be provided with the accelerometer for monitoring car acceleration numerical value above car of the present invention, 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.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 object, technical solutions and advantages of the present invention clearly, below in conjunction with the specific embodiment of the invention and corresponding accompanying drawing, technical solution of the present invention is 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 present invention is described, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment make the present invention and change, all fall into protection scope of the present invention.
Claims (3)
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 whether control capsule, by elevator controlling mainboard monitoring car, improper displacement occurs; Described control capsule mouth is electrically connected with electromagnet input end, and to control electromagnet energising when improper displacement does not occur car closed monitoring for control capsule, and control capsule controls electromagnet power-off release monitoring when improper displacement occurs car.
2. elevator electro-magnetic braking device according to claim 1 and operating method thereof, it is characterized in that: above described car, be provided with the accelerometer for monitoring car acceleration numerical value, 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.
3. the operating method of elevator electro-magnetic braking device according to claim 1 and 2, is characterized in that: comprise the following steps:
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, it is closed that control capsule controls electromagnet energising, and a rod at electromagnet 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 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510618278.XA CN105110131A (en) | 2015-09-25 | 2015-09-25 | Elevator electromagnetic braking device and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510618278.XA CN105110131A (en) | 2015-09-25 | 2015-09-25 | Elevator electromagnetic braking device and operation method thereof |
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| CN105110131A true CN105110131A (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510618278.XA Pending CN105110131A (en) | 2015-09-25 | 2015-09-25 | Elevator electromagnetic braking device and operation method thereof |
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| CN (1) | CN105110131A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384032A (en) * | 2015-12-24 | 2016-03-09 | 广州永日电梯有限公司 | Method for preventing accidental movement of elevator car |
| CN105480811A (en) * | 2016-01-20 | 2016-04-13 | 韩伍林 | Rope gripper |
| CN105480812A (en) * | 2016-01-20 | 2016-04-13 | 韩伍林 | Power-losing trigger type steel wire rope brake and braking method thereof |
| 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 |
| CN107303576A (en) * | 2016-04-19 | 2017-10-31 | 中国石油化工股份有限公司 | The speed control of running gear inside pipeline |
| CN112408144A (en) * | 2020-11-26 | 2021-02-26 | 柳义威 | Magnetic force insurance subassembly of elevator stall reduction gravitational potential energy of falling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001354373A (en) * | 2000-06-14 | 2001-12-25 | Toshiba Elevator Co Ltd | Emergency stopping device of elevator |
| CN2721586Y (en) * | 2004-05-24 | 2005-08-31 | 宁波申菱电梯配件有限公司 | Bidirectional speed limited safety pliers for elevator |
| CN203699597U (en) * | 2014-01-06 | 2014-07-09 | 三菱电机上海机电电梯有限公司 | Electromagnetic brake |
| CN104925609A (en) * | 2015-06-29 | 2015-09-23 | 周志鸿 | Elevator accelerated speed detection apparatus and system |
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2015
- 2015-09-25 CN CN201510618278.XA patent/CN105110131A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001354373A (en) * | 2000-06-14 | 2001-12-25 | Toshiba Elevator Co Ltd | Emergency stopping device of elevator |
| CN2721586Y (en) * | 2004-05-24 | 2005-08-31 | 宁波申菱电梯配件有限公司 | Bidirectional speed limited safety pliers for elevator |
| CN203699597U (en) * | 2014-01-06 | 2014-07-09 | 三菱电机上海机电电梯有限公司 | Electromagnetic brake |
| CN104925609A (en) * | 2015-06-29 | 2015-09-23 | 周志鸿 | Elevator accelerated speed detection apparatus and system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384032A (en) * | 2015-12-24 | 2016-03-09 | 广州永日电梯有限公司 | Method for preventing accidental movement of elevator car |
| CN105480811A (en) * | 2016-01-20 | 2016-04-13 | 韩伍林 | Rope gripper |
| CN105480812A (en) * | 2016-01-20 | 2016-04-13 | 韩伍林 | Power-losing trigger type steel wire rope brake and braking method thereof |
| CN105480812B (en) * | 2016-01-20 | 2020-04-28 | 石家庄五龙制动器股份有限公司 | Power-loss trigger type steel wire rope brake and braking method thereof |
| CN107303576A (en) * | 2016-04-19 | 2017-10-31 | 中国石油化工股份有限公司 | The speed control of running gear inside pipeline |
| 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 |
| CN112408144A (en) * | 2020-11-26 | 2021-02-26 | 柳义威 | Magnetic force insurance subassembly of elevator stall reduction gravitational potential energy of falling |
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Application publication date: 20151202 |
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| RJ01 | Rejection of invention patent application after publication |