CN207451361U - A kind of elevator falling-proof safety device - Google Patents

A kind of elevator falling-proof safety device Download PDF

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Publication number
CN207451361U
CN207451361U CN201721525553.4U CN201721525553U CN207451361U CN 207451361 U CN207451361 U CN 207451361U CN 201721525553 U CN201721525553 U CN 201721525553U CN 207451361 U CN207451361 U CN 207451361U
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China
Prior art keywords
friction
power supply
module
guide groove
elevator
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CN201721525553.4U
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Chinese (zh)
Inventor
谢立为
龙良吉
郭少凡
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Leiden Elevator Co.,Ltd.
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Xizi Xots Elevator Co Ltd
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Abstract

The utility model is related to a kind of elevator falling-proof safety devices, if its feature is to include the dry friction detent mechanism being separately positioned on lift car or so outer wall, two friction guide groove parts being separately positioned on elevator or so inner wall, standby power supply module, speed monitoring module, master control circuit module, automatic power supply switch, wherein respectively friction detent mechanism is respectively acting on corresponding friction guide groove part, the standby power supply module, speed monitoring module, master control circuit module is separately positioned on elevator car roof with automatic power supply switch, and make friction detent mechanism, speed monitoring module is electrically connected with master control circuit module with standby power supply module respectively, also make standby power supply module, speed monitoring module, friction detent mechanism is connected with automatic power supply switch with master control circuit module phase control respectively.The utility model has many advantages, such as that simple in structure, high degree of automation, good reliability, security performance are high, service life is long, is easy to popularize.

Description

A kind of elevator falling-proof safety device
Technical field
The utility model is related to elevator technology fields, particularly a kind of elevator falling-proof safety device.
Background technology
With the popularization and application of elevator, more and more frequent, this seating of serious threat occurs for the security incident in relation to elevator The safety of personnel.At present, most lift car is all by way of wire rope traction, car is driven to move up and down, entirely The weight of car and the weight of passenger can be all applied on steel cable, and therefore, the quality of steel cable is seriously related to passenger Safety.In particular, being some more old elevators, due to long-term operation, easily there is the situation of aging deformation in steel cable, even It is present with the situation of overage operation.And the operation of steel cable is not easy to be directly viewable with abrasion condition, and during the inspection process, corresponding damage Easily there is the situation of missing inspection false retrieval in bad steel cable.In the process of running, easily there is situation about being broken in these problematic steel cables, Once steel rope breaking can cause serious security incident or even make serious casualties.
Utility model content
The purpose of this utility model is that solve the above problems and deficiency, a kind of elevator falling-proof safety device is provided, The elevator falling-proof safety device has simple in structure, high degree of automation, good reliability, security performance height, service life Length is easy to the advantages that promotion and popularization.
What the technical solution of the utility model was realized in:
A kind of elevator falling-proof safety device, feature are to include being separately positioned on lift car or so outer wall Guide groove part, standby power supply module, speed if dry friction detent mechanism, two be separately positioned on elevator or so inner wall rub Monitoring modular, master control circuit module, automatic power supply switch, wherein friction detent mechanism includes driving cylinder, left swing swing arm, right pendulum Swing arm, two slide posts, two longitudinal guides being opened on lift car outer wall, two locating friction blocks, two longitudinal directions are led Slot is located on sustained height, and the locating friction block is made of antifriction metal (AFM), and the driving cylinder is in be fixed on being vertically arranged On lift car, the left swing swing arm is arranged with right swing arm in splayed, and left swing swing arm is made to distinguish with right swing arm upper end It is hinged on driving cylinder piston rod, two slide posts are respectively slidably inlaid in two longitudinal guides, and move left swing For arm with being respectively hinged in the middle part of right swing arm on two slide posts, two locating friction blocks are separately positioned on left swing swing arm and right pendulum In swing arm lower end;The friction guide groove part cross section is in letter U shape structure, and being formed with friction on friction guide groove part leads Slot, the friction guide groove part are made of antifriction metal (AFM);The standby power supply module is equipped with electric quantity monitoring device, when stand-by power supply mould When block electricity is less than setting value, voluntarily charge;Each friction detent mechanism is located at respectively in corresponding friction guide groove, the standby electricity Source module, speed monitoring module, master control circuit module and automatic power supply switch are separately positioned on elevator car roof, and make friction Detent mechanism, speed monitoring module and master control circuit module are electrically connected respectively with standby power supply module, also make stand-by power supply mould Block, speed monitoring module, friction detent mechanism are connected with automatic power supply switch with master control circuit module phase control respectively.
On the basis of foregoing, to further improve the convenience of the elevator falling-proof safety device attended operation, institute It states inner wall of elevator cage to be equipped with for setting the control touch screen for the speed parameter that falls, and makes control touch screen and master control circuit module Phase control connects.
On the basis of foregoing, to prevent them from arbitrarily touching control touch screen, it is equipped on the outside of the control touch screen with peace The protective cover locked entirely.
On the basis of foregoing, the structure for the guide groove part that rubs for further optimization, the friction guide groove part is by several in perpendicular It is formed to the bar shaped brake pad of setting, each bar shaped brake pad cross section is in letter U shape structure, and each bar shaped brake pad is in be vertically arranged Ground is arranged together to form friction guide groove part successively, and each bar shaped brake pad is made of antifriction metal (AFM).
The beneficial effects of the utility model:When the falling speed of speed monitoring module monitors to lift car is too fast, just Feedback signal can be sent to master control circuit module, master control circuit module is after the feedback signal is received, just respectively to standby electricity Source module, automatic power supply switch, each friction detent mechanism send enabling signal;The enabling signal is received in standby power supply module Afterwards, electric energy is conveyed to each friction detent mechanism, master control circuit module;After automatic power supply switch receives the enabling signal, cut-out The driving power of lift car;After each friction detent mechanism receives the enabling signal, two on friction detent mechanism are made to determine Position brake pad is in contact rapidly with friction guide groove both sides cell wall, and gradually increases contact, so passes through the detent mechanism that rubs With the rubbing action for the guide groove part that rubs, lift car can be effectively prevented and continue to fall, so as to avoid the generation of security incident, with And ensure the safety of passenger, the situation of serious personal's injures and deaths is avoided to occur.By using said structure, make the anti-fall of elevator Fall the automation fully achieved, the situation that can effectively and exactly prevent lift car appearance from seriously falling, the peace of the elevator Full performance is very high.Due in the excessive velocities of lift car, by automatic power supply switch by the driving power of lift car It cuts off, can prevent elevator from continuing to run with, help to ensure that the reliability of friction detent mechanism effect, avoid further pacifying Full accident occurs, and entire control action is very reliable, is conducive to avoid the generation of secondary accident.Due to two locating frictions Block is separately positioned on the left swing swing arm in splayed arrangement, right swing arm lower end, by using above-mentioned topology layout, is driving When cylinder applies smaller motive force to left swing swing arm, right swing arm, just effectively locating friction block must can be made to act on pressure.And In the structure, the speed that lift car falls is bigger, and the resistance that friction detent mechanism generates is bigger, which favorably improves whole Body reliability of structure and service life and the security performance for improving elevator.Due to each friction localization machine in the elevator Structure, standby power supply module, speed monitoring module, master control circuit module, automatic power supply switch set up separately in elevator car roof or side Wall, and the guide groove part that rubs is set on elevator inner wall, is easy to install, the convenience of assembling is very good.Due to this practicality Respectively rub in new detent mechanism, two friction guide groove parts, standby power supply module, speed monitoring module, master control circuit module with Automatic power supply switch relative elevator well, lift car are relatively independent.So elevator falling proof device completion can be existing Lift facility elevator in, and installation process very simple is convenient, therefore, it is very easy to go back elevator falling-proof safety device In promotion and popularization.
Description of the drawings
Fig. 1 is the structure diagram of the utility model overlook direction.
Fig. 2 is the structure diagram in the utility model left view direction.
Fig. 3 is the enlarged structure schematic diagram of part A in the utility model Fig. 2.
Fig. 4 is the structure diagram that touch screen is controlled in the utility model.
Specific embodiment
As shown in Figure 1, a kind of elevator falling-proof safety device described in the utility model, including being separately positioned on elevator If dry friction detent mechanism 1 on 10 or so outer wall of car, two frictions being separately positioned on 20 or so inner wall of elevator are led Slotware 2, standby power supply module 3, speed monitoring module 4, master control circuit module 5, automatic power supply switch 6, wherein, as shown in figure 3, The friction detent mechanism 1 includes driving cylinder 11, left swing swing arm 12, the slide post 14, two of right swing arm 13, two and is opened in 15, two locating friction blocks 16 of longitudinal guide on 10 outer wall of lift car, two longitudinal guides 15 are located on sustained height, institute It states locating friction block 16 to be made of antifriction metal (AFM), the driving cylinder 11 is in be fixed on being vertically arranged on lift car 10, institute It states left swing swing arm 12 to arrange in splayed with right swing arm 13, and left swing swing arm 12 is made to be respectively hinged at right 13 upper end of swing arm It drives on 11 piston rod of cylinder, two slide posts 14 are respectively slidably inlaid in two longitudinal guides 15, and move left swing Arm 12 is respectively hinged at right 13 middle part of swing arm on two slide posts 14, and two locating friction blocks 16 are separately positioned on left swing and move On arm 12 and right 13 lower end of swing arm;As shown in Figure 1,2 cross section of the friction guide groove part is being rubbed in letter U shape structure It wipes and friction guide groove 21 is formed on guide groove part 2, the friction guide groove part 2 is made of antifriction metal (AFM);On the standby power supply module 3 Equipped with electric quantity monitoring device, when 3 electricity of standby power supply module is less than setting value, voluntarily charge;As shown in Figure 1 to Figure 3, each friction Detent mechanism 1 is located at respectively in corresponding friction guide groove 21, the standby power supply module 3, speed monitoring module 4, master control circuit Module 5 is separately positioned on 10 top of lift car with automatic power supply switch 6, and makes friction detent mechanism 1, speed monitoring module 4 It is electrically connected respectively with standby power supply module 3 with master control circuit module 5, also makes standby power supply module 3, speed monitoring module 4, rubs Detent mechanism 1 is wiped to be connected with 5 phase control of master control circuit module respectively with automatic power supply switch 6.It is monitored in speed monitoring module 4 When 10 falling speed of lift car is too fast, feedback signal will be sent to master control circuit module 5, master control circuit module 5 is receiving To after the feedback signal, enabling signal is sent to standby power supply module 3, automatic power supply switch 6, each friction detent mechanism 1 respectively; After standby power supply module 3 receives the enabling signal, electric energy is conveyed to each friction detent mechanism 1, master control circuit module 5;From After dynamic power switch 6 receives the enabling signal, the driving power of lift car 10 is cut off;Each friction detent mechanism 1 receives After the enabling signal, two on friction detent mechanism 1 locating friction blocks 16 is made to connect with friction 21 both sides cell wall of guide groove rapidly It touches, and gradually increases contact.Wherein, in Fig. 1, the dotted line being made of choice refreshments is the schematic lines of control connection, by short-term The dotted line of composition is the schematic lines of electric energy transmission.In running process of elevator, when speed monitoring module 4 monitors lift car 10 Falling speed it is too fast when, feedback signal will be sent to master control circuit module 5, master control circuit module 5 is receiving the feedback After signal, just enabling signal is sent to standby power supply module 3, automatic power supply switch 6, each friction detent mechanism 1 respectively;Spare After power module 3 receives the enabling signal, electric energy is conveyed to each friction detent mechanism 1, master control circuit module 5;Automatic power After switch 6 receives the enabling signal, the driving power of lift car 10 is cut off;Each friction detent mechanism 1 receives the startup After signal, two on friction detent mechanism 1 locating friction blocks 16 is made to be in contact with friction 21 both sides cell wall of guide groove rapidly, and by Cumulative big contact so by the rubbing action of rub detent mechanism 1 and the guide groove part 2 that rubs, can be effectively prevented elevator Car 10 continues to fall, and so as to avoid the generation of security incident and ensure the safety of passenger, avoids serious personal's injures and deaths Situation occur.By using said structure, the automation for fully achieving the fall arrest of elevator can effectively and exactly be prevented Only there is situation about seriously falling in lift car 10, and the security performance of the elevator is very high.Due in the speed of lift car 10 When too fast, the driving power of lift car 10 is cut off by automatic power supply switch 6, can prevent elevator from continuing to run with, have Help ensure the reliability that friction detent mechanism 1 acts on, further security incident is avoided to occur, entire control action is very Reliably, be conducive to avoid the generation of secondary accident.Since two locating friction blocks 16 are separately positioned on the left side arranged in splayed Swing arm 12,13 lower end of right swing arm, by using above-mentioned topology layout, driving cylinder 11 apply smaller motive force to When left swing swing arm 12, right swing arm 13, just effectively locating friction block 16 must can be made to act on pressure.And in the structure, elevator car The speed that compartment 10 falls is bigger, and the resistance that friction detent mechanism 1 generates is bigger, which favorably improves integrally-built reliable Property and service life and improve elevator security performance.Due to each friction detent mechanism 1, the stand-by power supply in the elevator Module 3, speed monitoring module 4, master control circuit module 5, automatic power supply switch 6 set up separately in 10 top of lift car or side wall, and The guide groove part 2 that rubs is set on 20 inner wall of elevator, is easy to install, the convenience of assembling is very good.Since this practicality is new Respectively rub detent mechanism 1, two friction guide groove part 2, standby power supply module 3, speed monitoring module 4, master control circuit module 5 in type It is relatively independent with 6 relative elevator well 20 of automatic power supply switch, lift car 10.So complete can be with for the elevator falling proof device In the elevator of existing lift facility, and installation process very simple is convenient, therefore, goes back elevator falling-proof safety device It is easy to popularize.
On the basis of foregoing, to further improve the convenience of the elevator falling-proof safety device attended operation, such as Shown in Fig. 4,10 inner wall of lift car is equipped with for setting the control touch screen 7 for the speed parameter that falls, and makes control touch screen 7 It is connected with 5 phase control of master control circuit module.By the setting of the control touch screen 7, can speed be set in 10 inner wall of lift car The speed that monitoring modular 4 monitors, when speed monitoring module 4 monitors that the speed that lift car 10 falls is more than the setting value, Feedback signal will be sent.Meanwhile by the control touch screen 7 friction detent mechanism 1 can also be set to act on friction guide groove part 2 Pressure.By the setting of the control touch screen 7, maintenance personnel can set the ginseng of fall arrest elevator in lift car 10 Number, this can greatly improve the convenience of elevator maintenance operation.
On the basis of foregoing, to prevent them from arbitrarily touching control touch screen, as shown in figure 4,7 outside of control touch screen Equipped with the protective cover 8 with safety lock 9.By the setting of protective cover 8, effective bridging effect can be formed to control touch screen 7, So as to prevent idler from operating the control touch screen 7, ensure the security performance of elevator operation.
On the basis of foregoing, the structure for the guide groove part that rubs for further optimization, as shown in Fig. 2, the friction guide groove part 2 It is made of several in vertically arranged bar shaped brake pad 22, each 22 cross section of bar shaped brake pad is in letter U shape structure, and each bar shaped rubs Cleaning block 22 forms the guide groove part 2 that rubs in being arranged together successively with being vertically arranged, and each bar shaped brake pad 22 is by antifriction metal (AFM) system Into.Due to, friction guide groove part 2 be made of several bar shaped brake pads 22, this help to improve friction guide groove part 2 carry, transport and The convenience of installation and the manufacture difficulty for reducing friction guide groove part 2.

Claims (4)

1. a kind of elevator falling-proof safety device, it is characterised in that:Including being separately positioned on lift car (10) left and right outer wall It is dry friction detent mechanism (1) on if, two be separately positioned on the inner wall of elevator (20) left and right friction guide groove parts (2), standby With power module (3), speed monitoring module (4), master control circuit module (5), automatic power supply switch (6), wherein the localization machine that rubs Structure (1) is opened in elevator including driving cylinder (11), left swing swing arm (12), right swing arm (13), two slide posts (14), two Longitudinal guide (15), two locating friction blocks (16) on car (10) outer wall, two longitudinal guides (15) are located at sustained height On, the locating friction block (16) is made of antifriction metal (AFM), and the driving cylinder (11) is in be fixed on elevator car with being vertically arranged On compartment (10), the left swing swing arm (12) is arranged with right swing arm (13) in splayed, and makes left swing swing arm (12) and right swing Arm (13) upper end is respectively hinged on driving cylinder (11) piston rod, and two slide posts (14) are respectively slidably inlaid in two In longitudinal guide (15), and make left swing swing arm (12) with being respectively hinged in the middle part of right swing arm (13) on two slide posts (14), Two locating friction blocks (16) are separately positioned in left swing swing arm (12) and right swing arm (13) lower end;The friction guide groove Part (2) cross section is in letter U shape structure, and friction guide groove (21), the friction guide groove part are formed on friction guide groove part (2) (2) it is made of antifriction metal (AFM);The standby power supply module (3) is equipped with electric quantity monitoring device, and when standby power supply module (3), electricity is low When setting value, voluntarily charge;Each friction detent mechanism (1) is located at respectively in corresponding friction guide groove (21), the standby electricity Source module (3), speed monitoring module (4), master control circuit module (5) and automatic power supply switch (6) are separately positioned on lift car (10) top, and make friction detent mechanism (1), speed monitoring module (4) and master control circuit module (5) respectively with stand-by power supply mould Block (3) is electrically connected, and standby power supply module (3), speed monitoring module (4), friction detent mechanism (1) is also made to be opened with automatic power (6) are closed to be connected with master control circuit module (5) phase control respectively.
2. elevator falling-proof safety device according to claim 1, it is characterised in that:On lift car (10) inner wall Control touch screen (7) equipped with the speed parameter that falls for setting, and make control touch screen (7) and master control circuit module (5) phase control Connection.
3. elevator falling-proof safety device according to claim 2, it is characterised in that:It is set on the outside of the control touch screen (7) There is the protective cover (8) with safety lock (9).
4. elevator falling-proof safety device according to claim 1, it is characterised in that:It is described friction guide groove part (2) if by Dry to be formed in vertically arranged bar shaped brake pad (22), each bar shaped brake pad (22) cross section is in letter U shape structure, and each bar shaped rubs Cleaning block (22) forms friction guide groove part (2) in being arranged together successively with being vertically arranged, and each bar shaped brake pad (22) is by wear-resisting Metal is made.
CN201721525553.4U 2017-11-15 2017-11-15 A kind of elevator falling-proof safety device Active CN207451361U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721525553.4U CN207451361U (en) 2017-11-15 2017-11-15 A kind of elevator falling-proof safety device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721525553.4U CN207451361U (en) 2017-11-15 2017-11-15 A kind of elevator falling-proof safety device

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CN207451361U true CN207451361U (en) 2018-06-05

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CN201721525553.4U Active CN207451361U (en) 2017-11-15 2017-11-15 A kind of elevator falling-proof safety device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020035083A1 (en) * 2018-08-13 2020-02-20 华北理工大学 Anti-elevator fall apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020035083A1 (en) * 2018-08-13 2020-02-20 华北理工大学 Anti-elevator fall apparatus

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GR01 Patent grant
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CP03 Change of name, title or address

Address after: Building 101, Building 25, Xincheng Headquarters Center, 400 Xincheng Avenue, Zengcheng District, Guangzhou City, Guangdong Province, 511316

Patentee after: Leiden Elevator Co.,Ltd.

Address before: 510000 kapok Tsai, Shatou village, Shitan Town, Zengcheng, Guangzhou, Guangdong Province

Patentee before: XIZIXIAO ELEVATOR CO.,LTD.

CP03 Change of name, title or address