CN203998491U - Device for preventing elevator from falling - Google Patents
Device for preventing elevator from falling Download PDFInfo
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- CN203998491U CN203998491U CN201420429938.0U CN201420429938U CN203998491U CN 203998491 U CN203998491 U CN 203998491U CN 201420429938 U CN201420429938 U CN 201420429938U CN 203998491 U CN203998491 U CN 203998491U
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Abstract
The utility model discloses a kind of device for preventing elevator from falling, comprises at least one the rigidity block mechanism being arranged on elevator two side rails, and block mechanism is positioned at Elevator landing district; And the telescoping mechanism of engaging corresponding to block mechanism, telescoping mechanism is installed on described lift car; Telescoping mechanism comprises the rigid telescopic bar that can be connected with block mechanism engaging.When this device can make elevator be positioned at leveling zone, under lift car door opening state, prevent the abnormal mobile of car, thus protection turnover car passenger's personal safety.
Description
Technical field
The utility model relates to elevator technology field, particularly a kind of device for preventing elevator from falling.
Background technology
In current elevator device, elevator keeps stopping at the state of certain position, relies on the band-type brake friction force of towing machine to stop the rotation of motor to realize.Once band-type brake lost efficacy, car or counterweight will fall along hoistway under Action of Gravity Field.This situation once occur in level position of elevator open the door turnover passenger, the personal injury accident of generation is very serious.At present also do not have a kind of device can initiatively prevent the generation of this accident.The current products such as rail device, wire holder of embracing are also the devices that passive prevention car moves in the time producing fault, and can produce harmful effect to the life-span of elevator components.
Summary of the invention
Based on this, for solving above-mentioned elevator when the leveling opening state, car occurs extremely mobile, and the problem that passenger's personal safety is threatened, the utility model proposes a kind of device for preventing elevator from falling.
Its technical scheme is as follows:
A kind of device for preventing elevator from falling, comprises at least one the rigidity block mechanism being arranged on elevator two side rails, and described block mechanism is positioned at Elevator landing district; And the telescoping mechanism of engaging corresponding to described block mechanism, described telescoping mechanism is installed on described lift car; Described telescoping mechanism comprises the rigid telescopic bar that can be connected with described block mechanism engaging.
When lift car is positioned at leveling zone, the expansion link that gate is opened simultaneous retractable mechanism stretches out, and expansion link and block mechanism engagement connection, be fixed lift car.Thereby make, passenger is in the process of turnover car, even if band-type brake sudden failure or other abnormal causes cause car to have the trend of tenesmus, still owing to there being stopping of block mechanism, car also can not fall, thereby has protected passenger's safety.Passenger passes in and out complete, and the expansion link of the simultaneous retractable mechanism that gate is shut is regained, and car can move freely again in elevator.
Below its further technical scheme is described:
Preferably, be separately installed with a block mechanism on elevator two side rails, described lift car bottom is provided with two telescoping mechanisms, the corresponding described block mechanism of each described telescoping mechanism.Telescoping mechanism is arranged on to car bottom, and conserve space can not exert an influence to cage operation, and can, by the coordinating from car being lifted of telescoping mechanism and block mechanism, prevent that car from falling below.
Preferably, be separately installed with a block mechanism on elevator two side rails, described lift car both sides are separately installed with a telescoping mechanism, the corresponding described block mechanism of each described telescoping mechanism.Block mechanism is arranged on to lift car both sides, and in the time that telescoping mechanism coordinates with block mechanism, same can playing prevents that the situation that car mal falls from occurring.
Preferably, be separately installed with a block mechanism on elevator two side rails, described elevator car roof is provided with two telescoping mechanisms, the corresponding described block mechanism of each described telescoping mechanism.Telescoping mechanism is arranged on to car top, and conserve space can not exert an influence to cage operation, and can, by the coordinating from car being tangled of telescoping mechanism and block mechanism, prevent that car from falling above.
Preferably, described telescoping mechanism comprises the driver train being connected with described expansion link, and described driver train is electrical motor or hydraulic ram.Utilize electrical motor to drive stretching out and regaining of expansion link by hydraulic ram, thereby make expansion link coordinate or separate with block mechanism, to realize the restriction to car position and to loosen, to limit the motion of car or to allow the free motion of car energy.
Preferably, described telescoping mechanism comprises the position transduser being installed on described driver train for detection of the flexible state of described expansion link.The state of expansion link can be detected by position transduser, thereby can determine the state of kinematic motion of car, as detected, expansion link is in the time stretching out state, will make car remain static; In the time expansion link being detected in complete retracted state, just can make car start to move freely in hoistway.
Preferably, described block mechanism is overall block structure, in the time that described expansion link stretches out, and described expansion link and described block mechanism upper surface close contact.Directly expansion link is shelved on block mechanism, car is carried out spacing, to reach the effect that car position is limited, can prevent car tenesmus.
Preferably, described block mechanism offers block groove, and in the time that described expansion link stretches out, described expansion link engages with described block groove.When expansion link stretches out, expansion link sticks in the block groove of block mechanism, car is clamped spacing, and car cannot be moved up and down, and car is carried out completely spacing, avoids car extremely to fall downwards or upwards extremely mobile.
The utlity model has following outstanding advantage: this device can make lift car be positioned at leveling zone; lift car is in the time of door opening state; be connected and fix car with block mechanism by telescoping mechanism, prevent that car from occurring extremely mobile, thus protection turnover car passenger's personal safety.
Brief description of the drawings
Fig. 1 (a), 1 (b) are schematic diagrams when device for preventing elevator from falling telescoping mechanism is arranged on car bottom described in the utility model embodiment;
Fig. 2 (a), 2 (b) are schematic diagrams when device for preventing elevator from falling telescoping mechanism is arranged on car top described in the utility model embodiment;
Fig. 3 (a), 3 (b) are schematic diagrams when device for preventing elevator from falling telescoping mechanism is arranged on car both sides described in the utility model embodiment;
Fig. 4 (a), 4 (b) are schematic diagrams when device for preventing elevator from falling telescoping mechanism is arranged on car bottom and top simultaneously described in the utility model embodiment;
Fig. 5 (a), 5 (b) are schematic diagrams when device for preventing elevator from falling telescoping mechanism is arranged on car bottom and both sides simultaneously described in the utility model embodiment;
Fig. 6 (a), 6 (b) are schematic diagrams when device for preventing elevator from falling telescoping mechanism is arranged on car top and both sides simultaneously described in the utility model embodiment;
Fig. 7 (a), 7 (b) are schematic diagrams when device for preventing elevator from falling telescoping mechanism is arranged on car bottom, top and both sides simultaneously described in the utility model embodiment.
Description of reference numerals:
100-guide rail, 200-car, (310a, 310b, 310c)-telescoping mechanism, (312a, 312b, 312c)-expansion link, (320a, 320b, 320c)-block mechanism, (322a, 322b, 322c)-block groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
If Fig. 1 (a) is to as shown in Fig. 7 (b), a kind of device for preventing elevator from falling, comprise at least one the rigidity block mechanism (320a being arranged on elevator two side rails 100,320b, 320c), block mechanism (320a, 320b, 320c) is positioned at Elevator landing district; And with the telescoping mechanism (310a, 310b, 310c) of the corresponding engaging of block mechanism (320a, 320b, 320c), telescoping mechanism (310a, 310b, 310c) is installed on described lift car 200; Telescoping mechanism (310a, 310b, 310c) comprises the rigid telescopic bar (312a, 312b, 312c) that can connect with block mechanism (320a, 320b, 320c) engaging.
When lift car 200 is positioned at leveling zone, gate is opened the expansion link (312a of simultaneous retractable mechanism (310a, 310b, 310c), 312b, 312c) stretch out expansion link (312a, 312b, 312c) with block mechanism (320a, 320b, 320c) engagement connection, lift car is fixed.Thereby make; passenger is in the process of turnover car 200; even if band-type brake sudden failure or other abnormal causes cause car 200 to have the trend of tenesmus; but owing to there being block mechanism (320a; 320b; stopping 320c), car 200 also can not fall, thereby has protected passenger's safety.Passenger passes in and out complete, and the expansion link (312a, 312b, 312c) of the simultaneous retractable mechanism that gate is shut is regained, and car 200 can move freely again in elevator.
In one case, as shown in Fig. 1 (a) and Fig. 1 (b), on elevator two side rails 100, be separately installed with a block mechanism 320a, lift car 200 bottoms are provided with two telescoping mechanism 310a, the corresponding block mechanism 320a of each telescoping mechanism 310a.Telescoping mechanism 310a is arranged on to car 200 bottoms, and both conserve space also can not exert an influence to car 200 operation, and can, by the coordinating from car 200 being lifted of telescoping mechanism 310a and block mechanism 320a, prevent that car 200 from falling below.Wherein, situation when Fig. 1 (a) has represented telescoping mechanism 310a and block mechanism 320a engagement connection, now block mechanism 320a stops car 200, prevents that it from issuing and giving birth to pendant in abnormal condition; Situation when Fig. 1 (b) has represented that telescoping mechanism 310a separates with block mechanism 320a, now car 200 can normally move in elevator.
In another case, as shown in Fig. 2 (a) and Fig. 2 (b), on elevator two side rails 100, be separately installed with a block mechanism 320b, lift car 200 tops are provided with two telescoping mechanism 310b, the corresponding block mechanism 320b of each telescoping mechanism 310b.Telescoping mechanism 310b is arranged on to car 200 tops, and conserve space can not exert an influence to car 200 operation, and can, by the coordinating from car 200 being tangled of telescoping mechanism 310b and block mechanism 320b, prevent that car 200 from falling above.Wherein, situation when Fig. 2 (a) has represented telescoping mechanism 310b and block mechanism 320b engagement connection, now block mechanism 320b stops car 200, prevents that it from issuing and giving birth to pendant in abnormal condition; Situation when Fig. 2 (b) has represented that telescoping mechanism 310b separates with block mechanism 320b, now car 200 can normally move in elevator.
In another case, as shown in Fig. 3 (a) and Fig. 3 (b), on elevator two side rails 100, be separately installed with a block mechanism 320c, lift car 200 both sides are separately installed with a telescoping mechanism 310c, the corresponding block mechanism 320c of each telescoping mechanism 310c.Block mechanism 320c is arranged on to lift car 200 both sides, and in the time that telescoping mechanism 310c coordinates with block mechanism 320c, same can playing prevents that the situation that car 200 mals fall from occurring.Wherein, situation when Fig. 3 (a) has represented telescoping mechanism 310c and block mechanism 320c engagement connection, now block mechanism 320c stops car 200, prevents that it from issuing and giving birth to pendant in abnormal condition; Situation when Fig. 3 (b) has represented that telescoping mechanism 310c separates with block mechanism 320c, now car 200 can normally move in elevator.
And, the facilities of block mechanism and telescoping mechanism can also be the combination of two of above-mentioned three kinds of situations, as shown in Fig. 4 (a) and Fig. 4 (b), in lift car 200 bottoms and car 200 tops, telescoping mechanism (310a is set respectively, 310b), and the block mechanism (320a, 320b) cooperatively interacting in the correspondence position setting of elevator guide rail 100; Or as shown in Fig. 5 (a) and Fig. 5 (b), in lift car 200 bottoms and car 200 both sides, telescoping mechanism (310a is set respectively, 310c), and the block mechanism (320a, 320c) cooperatively interacting in the correspondence position setting of elevator guide rail 100; Or as shown in Fig. 6 (a) and Fig. 6 (b), in lift car 200 both sides and car 200 tops, telescoping mechanism (310b is set respectively, 310c), and the block mechanism (320b, 320c) cooperatively interacting in the correspondence position setting of elevator guide rail 100.Or above-mentioned three kinds of situations is comprehensive, as shown in Fig. 7 (a) and Fig. 7 (b), at car bottom, car both sides and car top, telescoping mechanism (310a is set respectively respectively, 310b, 310c), and the block mechanism (320a, 320b, 320c) cooperatively interacting in the correspondence position setting of elevator guide rail 100.Can limit from multiple positions lift car 200 like this, make spacing more safe and reliablely, but structure comparatively speaking can more complicated.Its action principle is identical while being arranged on separately car top or bottom or both sides with telescoping mechanism.
In addition, the telescoping mechanism of this device (310a, 310b, 310c) comprises the driver train (in figure for illustrating) connecting with expansion link (312a, 312b, 312c), and driver train is electrical motor or hydraulic ram.Utilize electrical motor or hydraulic ram to drive expansion link (312a, 312b, stretching out and regaining 312c), thereby make expansion link (312a, 312b, 312c) and block mechanism (320a, 320b, 320c) coordinate or separate, to realize the restriction to car 200 positions and to loosen, to limit the motion of car 200 or to allow the free motion of car energy.This telescoping mechanism (310a, 310b, 310c) also comprises the position transduser that is installed on driver train (in figure for illustrating), for detection of the flexible state of described expansion link (312a, 312b, 312c).The state of expansion link (312a, 312b, 312c) can be detected by position transduser, thereby can determine the state of kinematic motion of car 200, as expansion link (312a, 312b be detected, 312c) in the time stretching out state, will control car 200 and remain static; In the time expansion link (312a, 312b, 312c) being detected in complete retracted state, just can control car 200 and start to move freely in hoistway.
And, the block mechanism (320a, 320b, 320c) of this device can be set to overall block structure, as expansion link (312a, 312b, 312c) while stretching out, expansion link (312a, 312b, 312c) with block mechanism (320a, 320b, 320c) upper surface close contact.Directly by expansion link (312a, 312b, 312c) be shelved on block mechanism (320a, 320b, 320c) upper, carry out spacing to car 200, to reach the effect that car 200 positions are limited, can prevent that car 200 from dropping, this structure is relatively simple, but can only carry out spacing from a direction to car 200.In addition, also can be at block mechanism (320a, 320b, 320c) the above-mentioned block groove (322a, 322b, 322c) of offering, as expansion link (312a, 312b, 312c) while stretching out, expansion link (312a, 312b, 312c) with block groove (322a, 322b, 322c) engaging.In the time that expansion link (312a, 312b, 312c) stretches out, expansion link (312a, 312b, 312c) stick into block groove (322a, the 322b of block mechanism, 322c), car 200 is clamped spacing, car 200 cannot be moved up and down, carry out completely spacing to car 200, avoid car 200 extremely to fall downwards or upwards extremely mobile, the block mechanism structure position-limiting action of this groove shape structure is more reliable; As expansion link (312a, 312b, while 312c) recovery, block groove (the 322a of expansion link (312a, 312b, 312c) and block mechanism, 322b, 322c) separate completely, can't be to car 200 motion in elevator while producing interference effect, lift car just can move freely on elevator track 100.In addition, the design that also fluting on block mechanism can be formed to block groove change that perforate is to form the form in block hole on block mechanism into, and this block hole can coordinate with the expansion link of telescoping mechanism.Or do not adopt the form of block mechanism, and directly on guide rail, open mating holes, with the expansion link corresponding matching of telescoping mechanism.
The above embodiment has only expressed detailed description of the invention of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (8)
1. a device for preventing elevator from falling, is characterized in that, comprises at least one the rigidity block mechanism being arranged on elevator two side rails, and described block mechanism is positioned at Elevator landing district;
And the telescoping mechanism of engaging corresponding to described block mechanism, described telescoping mechanism is installed on described lift car;
Described telescoping mechanism comprises the rigid telescopic bar that can be connected with described block mechanism engaging.
2. device for preventing elevator from falling according to claim 1, is characterized in that, is separately installed with a block mechanism on elevator two side rails, and described lift car bottom is provided with two telescoping mechanisms, the corresponding described block mechanism of each described telescoping mechanism.
3. device for preventing elevator from falling according to claim 1, it is characterized in that, on elevator two side rails, be separately installed with at least one block mechanism, described lift car both sides are separately installed with at least one telescoping mechanism, the corresponding described block mechanism of each described telescoping mechanism.
4. device for preventing elevator from falling according to claim 1, is characterized in that, is separately installed with a block mechanism on elevator two side rails, and described elevator car roof is provided with two telescoping mechanisms, the corresponding described block mechanism of each described telescoping mechanism.
5. according to the device for preventing elevator from falling described in claim 1-4 any one, it is characterized in that, described telescoping mechanism comprises the driver train being connected with described expansion link, and described driver train is electrical motor or hydraulic ram.
6. according to the device for preventing elevator from falling described in claim 5 any one, it is characterized in that, described telescoping mechanism comprises the position transduser being installed on described driver train for detection of the flexible state of described expansion link.
7. according to the device for preventing elevator from falling described in claim 1-4 any one, it is characterized in that, described block mechanism is overall block structure, in the time that described expansion link stretches out, and described expansion link and described block mechanism upper surface close contact.
8. according to the device for preventing elevator from falling described in claim 1-4 any one, it is characterized in that, described block mechanism offers block groove, and in the time that described expansion link stretches out, described expansion link engages with described block groove.
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| CN201420429938.0U CN203998491U (en) | 2014-07-31 | 2014-07-31 | Device for preventing elevator from falling |
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| CN201420429938.0U CN203998491U (en) | 2014-07-31 | 2014-07-31 | Device for preventing elevator from falling |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925616A (en) * | 2015-05-20 | 2015-09-23 | 杨伦 | Elevator preventing generation of scissoring accident |
| CN105060054A (en) * | 2015-08-19 | 2015-11-18 | 樱花电梯（中山）有限公司 | Device for preventing elevator door from moving |
| CN105329741A (en) * | 2015-12-10 | 2016-02-17 | 无锡拓能自动化科技有限公司 | Spray-gun type anti-falling device of elevator |
| CN105398909A (en) * | 2015-12-10 | 2016-03-16 | 无锡拓能自动化科技有限公司 | Fall buffering speed reducer of lifting equipment |
| CN105417314A (en) * | 2015-12-10 | 2016-03-23 | 无锡拓能自动化科技有限公司 | Spray gun type anti-falling device of lifting equipment |
| CN105712149A (en) * | 2016-03-23 | 2016-06-29 | 安徽瑞格电梯服务股份有限公司 | Novel car falling preventing device |
| CN105712148A (en) * | 2016-03-23 | 2016-06-29 | 安徽瑞格电梯服务股份有限公司 | Emergent stopping device of car |
| CN106185515A (en) * | 2016-08-29 | 2016-12-07 | 天津利福特电梯部件有限公司 | Lift car falling guard safety device |
| CN106348121A (en) * | 2016-11-18 | 2017-01-25 | 西继迅达（许昌）电梯有限公司 | Goods elevator anti-falling method and goods elevator anti-falling device for implementing method |
| CN108264000A (en) * | 2018-01-02 | 2018-07-10 | 深圳市特辰科技股份有限公司 | A kind of electronic lock construction of mechanical arm and climbing device |
| CN108569608A (en) * | 2017-07-04 | 2018-09-25 | 杭州顺达伯耐特电梯有限公司 | A kind of underlying host forced action type elevator |
| CN108675080A (en) * | 2018-08-29 | 2018-10-19 | 李浩楠 | A kind of construction of lift well safety block stud structure |
| CN109368437A (en) * | 2018-12-15 | 2019-02-22 | 康达电梯有限公司 | The anti-drop system of elevator |
| CN111362095A (en) * | 2020-03-14 | 2020-07-03 | 阿帕狮龙电梯科技（苏州）有限公司 | Locking device for preventing elevator from falling |
| CN111703999A (en) * | 2020-05-29 | 2020-09-25 | 上海领升自动化***有限公司 | Lifting machine with goods antiskid function that falls |
| CN111703998A (en) * | 2020-05-29 | 2020-09-25 | 上海领升自动化***有限公司 | Lifting machine with accurate stopping function |
| CN113636489A (en) * | 2021-08-09 | 2021-11-12 | 中国建筑第七工程局有限公司 | Prefabricated floor self-adaptation regulation transportation platform |
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2014
- 2014-07-31 CN CN201420429938.0U patent/CN203998491U/en active Active
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925616A (en) * | 2015-05-20 | 2015-09-23 | 杨伦 | Elevator preventing generation of scissoring accident |
| CN104925616B (en) * | 2015-05-20 | 2019-04-12 | 杨伦 | One kind avoids that shearing emergency lift occurs |
| CN105060054A (en) * | 2015-08-19 | 2015-11-18 | 樱花电梯（中山）有限公司 | Device for preventing elevator door from moving |
| CN105329741A (en) * | 2015-12-10 | 2016-02-17 | 无锡拓能自动化科技有限公司 | Spray-gun type anti-falling device of elevator |
| CN105398909A (en) * | 2015-12-10 | 2016-03-16 | 无锡拓能自动化科技有限公司 | Fall buffering speed reducer of lifting equipment |
| CN105417314A (en) * | 2015-12-10 | 2016-03-23 | 无锡拓能自动化科技有限公司 | Spray gun type anti-falling device of lifting equipment |
| CN105712148B (en) * | 2016-03-23 | 2018-05-25 | 安徽瑞格电梯服务股份有限公司 | A kind of car emergency stop equipment |
| CN105712149A (en) * | 2016-03-23 | 2016-06-29 | 安徽瑞格电梯服务股份有限公司 | Novel car falling preventing device |
| CN105712148A (en) * | 2016-03-23 | 2016-06-29 | 安徽瑞格电梯服务股份有限公司 | Emergent stopping device of car |
| CN105712149B (en) * | 2016-03-23 | 2018-02-16 | 安徽瑞格电梯服务股份有限公司 | A kind of Novel elevator car arrest devices |
| CN106185515B (en) * | 2016-08-29 | 2019-03-19 | 天津利福特电梯部件有限公司 | Lift car falling guard safety device |
| CN106185515A (en) * | 2016-08-29 | 2016-12-07 | 天津利福特电梯部件有限公司 | Lift car falling guard safety device |
| CN106348121A (en) * | 2016-11-18 | 2017-01-25 | 西继迅达（许昌）电梯有限公司 | Goods elevator anti-falling method and goods elevator anti-falling device for implementing method |
| CN108569608A (en) * | 2017-07-04 | 2018-09-25 | 杭州顺达伯耐特电梯有限公司 | A kind of underlying host forced action type elevator |
| CN108264000A (en) * | 2018-01-02 | 2018-07-10 | 深圳市特辰科技股份有限公司 | A kind of electronic lock construction of mechanical arm and climbing device |
| CN108675080A (en) * | 2018-08-29 | 2018-10-19 | 李浩楠 | A kind of construction of lift well safety block stud structure |
| CN109368437A (en) * | 2018-12-15 | 2019-02-22 | 康达电梯有限公司 | The anti-drop system of elevator |
| CN111362095A (en) * | 2020-03-14 | 2020-07-03 | 阿帕狮龙电梯科技（苏州）有限公司 | Locking device for preventing elevator from falling |
| CN111703999A (en) * | 2020-05-29 | 2020-09-25 | 上海领升自动化***有限公司 | Lifting machine with goods antiskid function that falls |
| CN111703998A (en) * | 2020-05-29 | 2020-09-25 | 上海领升自动化***有限公司 | Lifting machine with accurate stopping function |
| CN113636489A (en) * | 2021-08-09 | 2021-11-12 | 中国建筑第七工程局有限公司 | Prefabricated floor self-adaptation regulation transportation platform |
| CN113636489B (en) * | 2021-08-09 | 2023-03-10 | 中国建筑第七工程局有限公司 | Prefabricated floor self-adaptation regulation transportation platform |
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Address after: Nanxiang three road, Science City high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 2 510660 Patentee after: Hitachi building technologies (Guangzhou) Co. Ltd. Address before: Nanxiang Road three Guangzhou Science City 510660 high tech Industrial Development Zone, Guangdong city of Guangzhou province No. 2 Patentee before: Guangzhou Ropente Science and Technology Development Co., Ltd. |