CN202379552U - Elevator safety protection device - Google Patents

Elevator safety protection device Download PDF

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Publication number
CN202379552U
CN202379552U CN2011205426197U CN201120542619U CN202379552U CN 202379552 U CN202379552 U CN 202379552U CN 2011205426197 U CN2011205426197 U CN 2011205426197U CN 201120542619 U CN201120542619 U CN 201120542619U CN 202379552 U CN202379552 U CN 202379552U
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CN
China
Prior art keywords
dwang
elevator
elastic component
switch
screw rod
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011205426197U
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Chinese (zh)
Inventor
徐磊
朱卫华
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SJEC Corp
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SJEC Corp
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Filing date
Publication date
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Priority to CN2011205426197U priority Critical patent/CN202379552U/en
Application granted granted Critical
Publication of CN202379552U publication Critical patent/CN202379552U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an elevator safety protection device. When a steel wire rope works normally, the steel wire rope can tow a rope head component so as to separate a screw rod in the rope head component from a rotating rod, then the rotating rod can be separated from a switch under elastic restoring force and can not push against and lift a lifting rod, then the normal operation of an elevator car is ensured, once the steel wire rope is broken or becomes loose, the screw rod can move downwards and hit the rotating rod under the elastic restoring force of a first elastic piece, the elastic restoring force of a second elastic piece is overcome, the rotating rod rotates, one end of the rotating rod triggers the switch, a signal is emitted for stopping the operation of an elevator, the other end of the rotating rod can simultaneously push against the lifting rod for enabling the lifting rod to move upwards, the lifting rod can drive an elevator safety clamp to brake, and the elevator car is further stopped, so that the falling danger of the elevator is avoided, and the safety and the reliability of the elevator are improved.

Description

The elevator safety fender guard
Technical field
the utility model relates to the elevator safety fender guard.
Background technology
In prior art, when disconnected rope or slack rope situation appear in elevator wire rope, the accident of used during elevator falling can take place, so safety guard need be set, the utility model promptly has been born.
Summary of the invention
elevator is out of service in case the purpose of the utility model provides that disconnected rope or slack rope appear in elevator wire rope and car by the safety guard of stop.
are for achieving the above object; The technical scheme that the utility model adopts is: a kind of elevator safety fender guard; Comprise elevator car frame put the beams in place, be fixedly installed on the rope hitch plate of said sedan-chair frame on putting the beams in place, elevator wire rope, can this elevator wire rope one end of captive joint the fag end assembly, can brake lift car elevator safety gear, can upward movement to drive the lifting rod of said elevator safety gear braking; Offer the mounting hole that penetrates up and down on the said rope hitch plate; Said fag end assembly comprises that along the vertical direction screw rod, the two ends of extending and can pass said mounting hole up or down can be pressed on first elastic component on said screw rod and the said rope hitch plate respectively, thus said safety guard comprise be fixedly installed on said rope hitch plate or said sedan-chair frame put the beams in place and can after being touched, send the switch that stops the elevator run signal, up and down be arranged on rotationally said sedan-chair frame put the beams in place on and can by said screw rod bump rotate touch said switch conflict simultaneously said lifting rod upward movement dwang, be arranged on and be used to provide this dwang elastic-restoring force to make be separated second elastic component of the said lifting rod of while non-contravention of this dwang and said switch between said dwang and the said sedan-chair frame upper beam.
preferably; One end of said dwang has the perforation that penetrates up and down; Said lifting rod is through in this perforation, thereby said lifting rod has and can be lifted a little by what said dwang was upwards conflicted and moved, and said dwang has first mode of operation and second mode of operation; When this dwang is in first mode of operation; Said dwang is clashed into by said screw rod, an end that overcomes the said dwang of elastic-restoring force of said second elastic component said the lifting a little of upwards conflicting, and the other end of said dwang touches said switch; When said dwang was in second mode of operation, said screw rod separated with said dwang, and under the elastic-restoring force of said second elastic component, said dwang and said switch and said lifting a little all are separated.
preferably; Said second elastic component has a pair of; A pair of said second elastic component is symmetrically located at the both sides of the run-on point of said dwang, and an end of this second elastic component is connected on the said sedan-chair frame upper beam, and the other end is connected said dwang.
owing to the utilization of technique scheme, the utility model compared with prior art has advantage: when the steel rope normal operation, rope traction is lived the fag end assembly; Make screw rod and dwang in the fag end assembly be separated, then under the elastic-restoring force of second elastic component, dwang separates with switch; Can not conflict simultaneously and lift lifting rod, guarantee that lift car normally moves, in case disconnected rope or slack rope take place steel rope; Then under the elastic-restoring force of first elastic component, screw rod moves down and strikes dwang, overcomes the elastic-restoring force of second elastic component; Dwang rotates, and then an end touch switch of dwang sends signal and makes elevator out of service; Simultaneously the other end of the dwang lifting rod of upwards conflicting makes lifting rod upward movement, lifting rod drive the elevator safety gear braking; Stop is lived lift car, has avoided occurring the danger of used during elevator falling, has improved the reliability of elevator safety.
Description of drawings
Accompanying drawing 1 is the scheme drawing one of the utility model, elevator wire rope normal operation wherein, and lifting a little of dwang and switch and lifting rod all is separated;
accompanying drawing 2 is the scheme drawing two of the utility model, and wherein disconnected rope or slack rope take place elevator wire rope, and dwang one end touch switch, the other end are upwards conflicted to lift and a little made the lifting rod upward movement.
The specific embodiment
The structure of the utility model is further set forth in below in conjunction with accompanying drawing.
referring to shown in Fig. 1-2, a kind of elevator safety fender guard, comprise elevator car frame put the beams in place 6, be fixedly installed on the sedan-chair frame put the beams in place rope hitch plate 15 on 6, elevator wire rope 9, can these elevator wire rope 9 one ends of captive joint fag end assembly 12, can brake lift car elevator safety gear 8, can upward movement to drive lifting rod 7, switch 2, the dwang 3 of elevator safety gear 8 brakings; Offer the mounting hole that penetrates up and down on the rope hitch plate 15, this mounting hole is used to connect fag end assembly 12, is useful on the parts of captive joint steel rope 9 one ends on the fag end assembly 12; In addition, fag end assembly 12 comprises also that along the vertical direction screw rod 11, the two ends of extending and can pass the mounting hole of rope hitch plate 15 up or down can be pressed on first elastic component 10 on screw rod 11 and the rope hitch plate 15 respectively, in Fig. 1 and 2; First elastic component 10 adopts spring; Be combined with nut on the screw rod 11, be provided with lower spring cup 14 above this nut, can be arranged with upper spring seat 13 up or down on the screw rod 11; The two ends of first elastic component 10 can be pressed on respectively on upper spring seat 13 and the lower spring cup 14; In Fig. 1, elevator wire rope 9 normal operation, steel rope 9 is in tension; Correspondingly; Fag end assembly 12 also is tightened up, and then first elastic component 10 is compressed, and compressing screw rod 11 realized through being pressed in the lower end of first elastic component 10 on the lower spring cup 14; The upper end of first elastic component 10 compresses upper spring seat 13 below rope hitch plate 15, promptly realizes compressing rope hitch plate 15.When steel rope 9 normal operation, through the elastic-restoring force of first elastic component 10, make steel rope 9 stably be in tension, along with first elastic component 10 is compressed or discharges, then screw rod 11 can move up and down in the mounting hole of rope hitch plate 15.In case steel rope 9 disconnected rope or slack ropes take place, as shown in Figure 2, then lose the traction of steel rope 9, then under the elastic-restoring force of first elastic component 10, the screw rod 11 in the fag end assembly 12 moves down.In Fig. 1 and 2, switch 2 is fixed on the rope hitch plate 15 through support 1, and certainly, switch also can be fixed on the sedan-chair frame upper beam 6.Switch 2 can send after being touched and stop the elevator run signal.Dwang 3 can be arranged on up and down on the sedan-chair frame upper beam 6 rotationally, and in Fig. 1 and 2, the turning cylinder 5 of dwang 3 is horizontally disposed with; Between dwang 3 and sedan-chair frame upper beam 6, be provided for providing second elastic component 4 of these dwang 3 elastic-restoring forces, in Fig. 1 and 2, second elastic component 4 adopts springs; Second elastic component 4 has a pair of; A pair of second elastic component 4 is symmetrically located at the both sides of the turning cylinder 5 of dwang 3, and an end of this second elastic component 4 is connected on the sedan-chair frame upper beam 6, and the other end is connected dwang 3.When steel rope 9 normal operation, through the equilibrium activity of pair of resilient members 4, then dwang 3 is in horizontality basically like this; As shown in Figure 1, fag end assembly 12 is lived by steel rope 9 tractions, and then the screw rod 11 in the fag end assembly 12 is positioned at the top of dwang 3; And be separated with dwang 13, an end of dwang 13 keeps separating with switch 2, and the other end of dwang 13 has the perforation that penetrates up and down; Lifting rod 7 is through in this perforation; Lifting rod 7 has and lifts a little 16, and dwang 3 16 is separated with lifting a little of lifting rod 7, and then lift car normally moves.In case steel rope 9 disconnected rope or slack ropes take place, and then said above the basis, the screw rod 11 of fag end assembly 12 moves down, screw rod 11 bump dwangs 3; Overcome the elastic-restoring force of second elastic component 4, dwang 3 rotates, and is as shown in Figure 2; One end touch switch 2 of dwang 3 sends signal and makes the towing machine dead electricity, and then elevator is out of service; What simultaneously the other end of dwang 3 was upwards conflicted lifting rod 7 lifts a little 16, makes lifting rod 7 upward movements, and lifting rod 7 drives elevator safety gears 8 and brakes; Stop is lived lift car, has avoided occurring the danger of used during elevator falling, has improved the reliability of elevator safety.

Claims (3)

1. elevator safety fender guard; Comprise elevator car frame put the beams in place, be fixedly installed on the rope hitch plate of said sedan-chair frame on putting the beams in place, elevator wire rope, can this elevator wire rope one end of captive joint the fag end assembly, can brake lift car elevator safety gear, can upward movement to drive the lifting rod of said elevator safety gear braking; Offer the mounting hole that penetrates up and down on the said rope hitch plate; Said fag end assembly comprises that along the vertical direction screw rod, the two ends of extending and can pass said mounting hole up or down can be pressed on first elastic component on said screw rod and the said rope hitch plate respectively, is characterized in that: thus said safety guard comprise be fixedly installed on said rope hitch plate or said sedan-chair frame put the beams in place and can after being touched, send the switch that stops the elevator run signal, up and down be arranged on rotationally said sedan-chair frame put the beams in place on and can by said screw rod bump rotate touch said switch conflict simultaneously said lifting rod upward movement dwang, be arranged on and be used to provide this dwang elastic-restoring force to make be separated second elastic component of the said lifting rod of while non-contravention of this dwang and said switch between said dwang and the said sedan-chair frame upper beam.
2. elevator safety fender guard according to claim 1; It is characterized in that: an end of said dwang has the perforation that penetrates up and down; Said lifting rod is through in this perforation, thereby said lifting rod has and can be lifted a little by what said dwang was upwards conflicted and moved, and said dwang has first mode of operation and second mode of operation; When this dwang is in first mode of operation; Said dwang is clashed into by said screw rod, an end that overcomes the said dwang of elastic-restoring force of said second elastic component said the lifting a little of upwards conflicting, and the other end of said dwang touches said switch; When said dwang was in second mode of operation, said screw rod separated with said dwang, and under the elastic-restoring force of said second elastic component, said dwang and said switch and said lifting a little all are separated.
3. elevator safety fender guard according to claim 1; It is characterized in that: said second elastic component has a pair of; A pair of said second elastic component is symmetrically located at the both sides of the run-on point of said dwang; One end of this second elastic component is connected on the said sedan-chair frame upper beam, and the other end is connected said dwang.
CN2011205426197U 2011-12-22 2011-12-22 Elevator safety protection device Expired - Fee Related CN202379552U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205426197U CN202379552U (en) 2011-12-22 2011-12-22 Elevator safety protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205426197U CN202379552U (en) 2011-12-22 2011-12-22 Elevator safety protection device

Publications (1)

Publication Number Publication Date
CN202379552U true CN202379552U (en) 2012-08-15

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CN2011205426197U Expired - Fee Related CN202379552U (en) 2011-12-22 2011-12-22 Elevator safety protection device

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CN (1) CN202379552U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102514994A (en) * 2011-12-22 2012-06-27 江南嘉捷电梯股份有限公司 Safety protection device for elevator
CN103332558A (en) * 2013-07-10 2013-10-02 嘉兴市华东建设机械有限公司 Balance weight end steel wire rope used for elevator
CN103693523A (en) * 2013-12-20 2014-04-02 浙江大学苏州工业技术研究院 Steel wire rope looseness and breakage alarming device
CN104071671A (en) * 2014-07-14 2014-10-01 苏州威尔森电梯有限公司 Hydraulic lift car safety protection device
CN108163671A (en) * 2015-12-28 2018-06-15 陈勇 Elevator box fall-proofing device
CN112357719A (en) * 2020-11-09 2021-02-12 山东奔速电梯股份有限公司 Safety tongs triggering structure of household elevator without pit
CN112374325A (en) * 2020-11-09 2021-02-19 山东奔速电梯股份有限公司 Maintenance-free safety braking system and braking method for home elevator

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102514994A (en) * 2011-12-22 2012-06-27 江南嘉捷电梯股份有限公司 Safety protection device for elevator
CN103332558A (en) * 2013-07-10 2013-10-02 嘉兴市华东建设机械有限公司 Balance weight end steel wire rope used for elevator
CN103693523A (en) * 2013-12-20 2014-04-02 浙江大学苏州工业技术研究院 Steel wire rope looseness and breakage alarming device
CN104071671A (en) * 2014-07-14 2014-10-01 苏州威尔森电梯有限公司 Hydraulic lift car safety protection device
CN104071671B (en) * 2014-07-14 2017-02-15 苏州威尔森电梯有限公司 Hydraulic lift car safety protection device
CN108163671A (en) * 2015-12-28 2018-06-15 陈勇 Elevator box fall-proofing device
CN112357719A (en) * 2020-11-09 2021-02-12 山东奔速电梯股份有限公司 Safety tongs triggering structure of household elevator without pit
CN112374325A (en) * 2020-11-09 2021-02-19 山东奔速电梯股份有限公司 Maintenance-free safety braking system and braking method for home elevator
CN112357719B (en) * 2020-11-09 2021-10-29 山东奔速电梯股份有限公司 Safety tongs triggering structure of household elevator without pit
CN112374325B (en) * 2020-11-09 2021-12-17 山东奔速电梯股份有限公司 Maintenance-free safety braking system and braking method for home elevator

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180503

Address after: 215122 28 Weixin Road, Suzhou Industrial Park, Suzhou, Jiangsu

Patentee after: Jiangnan Jiajie Lift Co., Ltd., Jiangsu

Address before: 215122 No. 718 Ting Ting Road, Suzhou Industrial Park, Jiangsu

Patentee before: SJEC Corporation

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

Granted publication date: 20120815

Termination date: 20201222