CN104326323B - A kind of safety protection apparatus for elevator preventing car accidental movement and method of work thereof - Google Patents
A kind of safety protection apparatus for elevator preventing car accidental movement and method of work thereof Download PDFInfo
- Publication number
- CN104326323B CN104326323B CN201410630948.5A CN201410630948A CN104326323B CN 104326323 B CN104326323 B CN 104326323B CN 201410630948 A CN201410630948 A CN 201410630948A CN 104326323 B CN104326323 B CN 104326323B
- Authority
- CN
- China
- Prior art keywords
- car
- square steel
- elevator
- slide unit
- twin shaft
- Prior art date
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
A kind of safety protection apparatus for elevator preventing car accidental movement and method of work thereof, this device includes a pair twin shaft ball-screw track slide unit, a pair square steel, a pair protective cover, pair of control switch, stepper motor driver and electric machine controller.Its method of work includes: elevator prepares to receive guests, and square steel is protruding, and car door and flat bed door can be opened, and now square steel suppression car makes it to move, and after car door is closed, square steel bounces back, and now car door and flat bed door cannot be opened.Superiority: it can be prevented effectively from car and the situation of accidental movement occurs in leveling zone, dependable performance, easy to maintenance, with low cost, reduce elevator and bring the potential safety hazard of passenger, improve the security of elevator.
Description
(1) technical field:
The invention belongs to elevator safety guard technology field, be specifically related to one and prevent car unexpected
The safety protection apparatus for elevator of movement and method of work thereof.
(2) background technology
The elevator market demand expands in recent years, needs to install elevator quantity and sharply increases so that electricity
Ladder manufactures, installation market competition grows in intensity.But constantly elevator safety event Yan of generation is total
Threaten the life security of user, time have the elevator accident of what is heard to make people all of jump.As
On September 14th, 2014, in school district, Huaqiao University Xiamen, the elevator of a teaching building was dashed forward at dusk
So breaking down, a boy student is died in car by mounting board.It is reported, this boy student is with same
Learning together at the elevators such as 3rd floors, door is opened but car does not stops, and this boy student takes a false step, and health is lain prone
Up, car continues to rise, and his lower part of the body is unsettled by card, rescue personnel arrive in after this student
Suffocate dead.
The protection of car accidental movement is one of main contents of current elevator industry research, mainly
It it is the accident leaving stop with stop car in the case of layer non-locking door is tight or car door is not turned off
Mobile, this accidental movement be due to car safety run the elevator relied on drive main frame or
In driving control system, the inefficacy of any single part causes, it has also become inspection elevator safety performance
One of important parameter.But it is similar to " elevator gulps down people " accident of Huaqiao University's event in recent years
Multiple, absolutely prove that nowadays most elevators still use traditional design structure, do not set
Put unintended car movement protection device.Therefore, although for this problem in the prior art
Propose many different designs, but consider the cost of design, complexity, maintenance difficulty
The practical factors such as degree, the practicality of many designs is the strongest.
(3) summary of the invention:
It is an object of the invention to provide one and prevent car accidental movement elevator safety protection dress
Putting and method of work, it can be prevented effectively from car and the feelings of accidental movement occur in leveling zone
Condition, dependable performance, easy to maintenance, with low cost, reducing elevator, to bring the safety of passenger hidden
Suffer from, improve the security of elevator.
Technical scheme: a kind of elevator safety protection dress preventing car accidental movement
Put, it is characterised in that it include a pair twin shaft ball-screw track slide unit, a pair square steel, a pair
Protective cover, pair of control switch, stepper motor driver and electric machine controller, the pair of anti-
Guard shield is separately fixed at car top and bottom, and described twin shaft ball-screw track slide unit is fixed on
In protective cover, described square steel is fixed on the removable slide block of twin shaft ball-screw track slide unit,
It is provided with control car door on the slideway of the twin shaft ball-screw track slide unit of described car top
The control switch of power on/off, on the slideway of the twin shaft ball-screw track slide unit of described cage bottom
It is provided with the control switch controlling flat bed door power on/off, in the hoistway at elevator place, is provided with square steel
Hole, under Elevator landing state, described square steel is concordant with square steel hole site, described twin shaft ball wire
Thick stick track slide unit is with stepper motor, and described stepper motor connects driving stepper motor by wire
Device, described stepper motor driver controls the operation of stepper motor, and stepper motor driver passes through
Wire connects controllor for step-by-step motor, and described controllor for step-by-step motor converts electrical signals to pulse
Signal, controllor for step-by-step motor connects elevator master controller by wire.
Square steel described above is moved by four long screws and twin shaft ball-screw track slide unit
Movable slider connects.
Control switch described above is arranged on bottom twin shaft ball-screw track slide unit near square steel
At the end points of one end, hole.
Square steel described above is the steel body knot of the longest 1500mm × wide 100mm × high 100mm
Structure.
Protective cover described above be internal diameter be the steel square tubular structure of 110mm × 110mm.
The control of control car door power on/off described above switchs and controls flat bed door power on/off
Control switch and all use travel switch.
In twin shaft ball-screw track slide unit described above, the side near square steel hole is provided with two
Individual support.
A kind of method of work of the safety protection apparatus for elevator preventing car accidental movement, its feature
It is to specifically comprise the following steps that
(1), under elevator is in normal operating condition, when car arrives leveling zone, shape is run
State transfers deceleration to from linear uniform motion and stops, and now elevator master controller is to step motor control
Device sends signal, and controllor for step-by-step motor converts electrical signals to pulse signal transmission to stepping electricity
Machine driver, stepper motor driver controls to be arranged on the twin shaft ball wire of car top and bottom
Thick stick track slide unit promotes square steel to make it protruding, and extension inserts concordant with this square steel position
Square steel hole in；
(2) during square steel stretches out, removable slide block is pressed automatically with the movement of square steel
Controlling controlling switch and controlling the control switch of flat bed door of car door power on/off, now path is even
Connecing, car door and flat bed door can be opened；
(3) if car occurs accidental movement, square steel suppression car during enabling is received guests
It is made to move, if the strength that now car moves is excessive makes twin shaft ball-screw track sliding
Platform damages completely, and protective cover will withstand square steel, enables square steel to suppress car to make it to move；
(4) when car prepares to exit leveling zone, after car door is closed, elevator master control
Device sends signal to controllor for step-by-step motor, and controllor for step-by-step motor converts electrical signals to pulse
Signal transmission controls twin shaft ball-screw track to stepper motor driver, stepper motor driver
Slide unit pulls square steel to make it inwardly bounce back, meanwhile, removable slide block with square steel movement from
Open and control controlling switch and controlling the control switch of flat bed door power on/off of car door power on/off, make
Controlling switch automatically to lift, now path disconnects, and car door and flat bed door cannot be opened.
In step described above (3), when car accidental movement, square steel is by twin shaft ball wire
Two supports of thick stick track slide unit side support, square steel uniform force, it is to avoid long screw is pulled
Disconnected.
The invention have the advantage that
1, the safety protection apparatus for elevator preventing car accidental movement provided by the present invention, adopts
The frame for movement relevant to door machine and car with a whole set of and switch controlling device, frame for movement energy
Enough effectively stoping car to move when car generation accidental movement situation, switch controlling device can
Disconnect the safety return circuit controlling car door with flat bed door when car is properly functioning, and arrive at car
Safety return circuit is connected, it is possible to be prevented effectively from generation car at leveling zone accidental movement when reaching leveling zone
Situation.
2, the control shift knob in the present invention is the structure that low centre, edge is high, so that can move
Movable slider mobile to can press control smoothly at the end points of twin shaft ball-screw track slide unit
Shift knob；Meanwhile, two square steel stretch out the homonymy or both sides that direction is lift car.
3, the present invention is easy to maintenance, cost is relatively low so that the practicality of device is higher.
(4) accompanying drawing explanation:
Fig. 1 is that the safety protection apparatus for elevator preventing car accidental movement involved by the present invention is non-
Structure chart under duty.
Fig. 2 is to prevent the safety protection apparatus for elevator of car accidental movement in work involved by the present invention
Make the structure chart under state.
Fig. 3 is in the safety protection apparatus for elevator preventing car accidental movement involved by the present invention
Square steel, control switch and the location diagram of twin shaft ball-screw track slide unit.
Wherein, 1 is car, and 2 is twin shaft ball-screw track slide unit, and 3 is square steel, and 4 is control
System switch, 5 is square steel hole, and 6 is protective cover, and 7 is removable slide block, and 8 is support.
(5) detailed description of the invention:
Embodiment: a kind of safety protection apparatus for elevator preventing car accidental movement, its feature exists
In it include a pair twin shaft ball-screw track slide unit 2, a pair square steel 3, a pair protective cover 6,
Pair of control switch 4, stepper motor driver and electric machine controller, the pair of protective cover 6
Being separately fixed at car 1 top and bottom, described twin shaft ball-screw track slide unit 2 is fixed on
In protective cover 6, described square steel 3 is fixed on the removable cunning of twin shaft ball-screw track slide unit 2
On block 7, the slideway of the twin shaft ball-screw track slide unit 2 at described car 1 top is provided with
Control the control switch 4 of car door power on/off, the twin shaft ball-screw rail bottom described car 1
The control switch 4 controlling flat bed door power on/off, elevator place it is provided with on the slideway of road slide unit 2
Hoistway in be provided with square steel hole 5, described square steel 3 and square steel hole 5 under Elevator landing state
Position is concordant, and described twin shaft ball-screw track slide unit 2 is with stepper motor, and described stepping is electric
Machine connects stepper motor driver by wire, and described stepper motor driver controls stepper motor
Operation, stepper motor driver by wire connect controllor for step-by-step motor, described stepping electricity
Machine controller converts electrical signals to pulse signal, and controllor for step-by-step motor connects electricity by wire
Ladder master controller.
Square steel described above 3 can by four long screws and twin shaft ball-screw track slide unit 2
Mobile slide block 7 connects.
The switch 4 that controls described above is arranged on bottom twin shaft ball-screw track slide unit 2 near side
At the end points of one end, steel hole 5.
Square steel 3 described above is the steel body of the longest 1500mm × wide 100mm × high 100mm
Structure.
Protective cover 6 described above be internal diameter be the steel square tubular structure of 110mm × 110mm.
The control switch 4 of control car door power on/off described above and control flat bed door power on/off
Control switch 4 all use travel switch.
In twin shaft ball-screw track slide unit 2 described above, the side near square steel hole 5 is provided with
Two supports 8.
A kind of method of work of the safety protection apparatus for elevator preventing car accidental movement, its feature
It is to specifically comprise the following steps that
(1), under elevator is in normal operating condition, when car 1 arrives leveling zone, run
State transfers deceleration to from linear uniform motion and stops, and now elevator master controller is to stepper motor control
Device processed sends signal, and controllor for step-by-step motor converts electrical signals to pulse signal transmission to stepping
Motor driver, stepper motor driver controls to be arranged on the twin shaft ball of car top and bottom
Leading screw track slide unit 2 promotes square steel 3 to make it protruding, and extension inserts and this square steel 3
In the square steel hole 5 that position is concordant；
(2) during square steel 3 stretches out, removable slide block 7 is automatic with the movement of square steel
Press and control controlling switch 4 and controlling the control switch 4 of flat bed door of car door power on/off, this
Shi Tonglu connects, and car door and flat bed door can be opened；
(3) if car 1 occurs accidental movement during enabling is received guests, square steel 3 suppresses
Car 1 makes it to move, if the strength that now car 1 moves is excessive makes twin shaft ball wire
Thick stick track slide unit 2 damages completely, and protective cover 6 will withstand square steel 3, makes square steel 3 to suppress
Car 1 makes it to move；
(4) when car 1 prepares to exit leveling zone, after car door is closed, elevator master control
Device processed sends signal to controllor for step-by-step motor, and controllor for step-by-step motor converts electrical signals to arteries and veins
Rush signal transmission and control twin shaft ball-screw rail to stepper motor driver, stepper motor driver
Road slide unit 2 pulls square steel 3 to make it inwardly bounce back, and meanwhile, removable slide block 7 is with square steel
3 move away controls controlling switch 4 and controlling flat bed door power on/off of car door power on/off
Controlling switch 4, make control switch automatically lift, now path disconnects, car door and flat bed door
Cannot open.
In step described above (3), when car 1 accidental movement, square steel 3 is rolled by twin shaft
Two supports 8 of ballscrew track slide unit 2 side support, square steel 3 uniform force, it is to avoid
Long screw is torn.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its objective is to allow this neck
The technical staff in territory will appreciate that present disclosure and implements according to this, can not limit this with this
The protection domain of invention, specific embodiment described in the invention can be done suitably by technical staff
Amendment and supplement, as long as according to repairing that the Spirit Essence of main technical schemes of the present invention is done
Decorations, all should contain within protection scope of the present invention.
Claims (9)
1. the safety protection apparatus for elevator preventing car accidental movement, it is characterised in that it
Including a pair twin shaft ball-screw track slide unit, a pair square steel, a pair protective cover, pair of control
Switch, stepper motor driver and electric machine controller, the pair of protective cover is separately fixed at sedan-chair
Compartment top portion and bottom, described twin shaft ball-screw track slide unit is fixed in protective cover, described side
Steel is fixed on the removable slide block of twin shaft ball-screw track slide unit, described car top double
The control switch controlling car door power on/off it is provided with on the slideway of axle ball-screw track slide unit,
Control flat bed door it is provided with on the slideway of the twin shaft ball-screw track slide unit of described cage bottom
The control switch of power on/off, is provided with square steel hole, at Elevator landing shape in the hoistway at elevator place
Under state, described square steel is concordant with square steel hole site, and described twin shaft ball-screw track slide unit is with step
Entering motor, described stepper motor connects stepper motor driver, described stepper motor by wire
The operation of driver control stepper motor, stepper motor driver connects stepper motor by wire
Controller, described controllor for step-by-step motor converts electrical signals to pulse signal, stepper motor control
Device processed connects elevator master controller by wire.
A kind of elevator safety preventing car accidental movement is protected
Device, it is characterised in that described square steel is by four long screws and twin shaft ball-screw track slide unit
Removable slide block connect.
A kind of elevator safety preventing car accidental movement is protected
Device, it is characterised in that described control switch is arranged on bottom twin shaft ball-screw track slide unit and leans on
At the end points of nearly one end, square steel hole.
A kind of elevator safety preventing car accidental movement is protected
Device, it is characterised in that described square steel is the longest 1500mm × wide 100mm × high 100mm
Steel body structure.
A kind of elevator safety preventing car accidental movement is protected
Device, it is characterised in that described protective cover be internal diameter be the steel square tubular of 110mm × 110mm
Structure.
A kind of elevator safety preventing car accidental movement is protected
Device, it is characterised in that control switch and the control flat bed door of described control car door power on/off lead to
The control switch of power-off all uses travel switch.
A kind of elevator safety preventing car accidental movement is protected
Device, it is characterised in that in described twin shaft ball-screw track slide unit, the side near square steel hole sets
It is equipped with two supports.
8. described in an any one of claim 1-7, prevent the elevator safety of car accidental movement
The method of work of protection device, it is characterised in that specifically comprise the following steps that
(1), under elevator is in normal operating condition, when car arrives leveling zone, shape is run
State transfers deceleration to from linear uniform motion and stops, and now elevator master controller is to step motor control
Device sends signal, and controllor for step-by-step motor converts electrical signals to pulse signal transmission to stepping electricity
Machine driver, stepper motor driver controls to be arranged on the twin shaft ball wire of car top and bottom
Thick stick track slide unit promotes square steel to make it protruding, and extension inserts concordant with this square steel position
Square steel hole in；
(2) during square steel stretches out, removable slide block is pressed automatically with the movement of square steel
Controlling controlling switch and controlling the control switch of flat bed door of car door power on/off, now path is even
Connecing, car door and flat bed door can be opened；
(3) if car occurs accidental movement, square steel suppression car during enabling is received guests
It is made to move, if the strength that now car moves is excessive makes twin shaft ball-screw track sliding
Platform damages completely, and protective cover will withstand square steel, enables square steel to suppress car to make it to move；
(4) when car prepares to exit leveling zone, after car door is closed, elevator master control
Device sends signal to controllor for step-by-step motor, and controllor for step-by-step motor converts electrical signals to pulse
Signal transmission controls twin shaft ball-screw track to stepper motor driver, stepper motor driver
Slide unit pulls square steel to make it inwardly bounce back, meanwhile, removable slide block with square steel movement from
Open and control controlling switch and controlling the control switch of flat bed door power on/off of car door power on/off, make
Controlling switch automatically to lift, now path disconnects, and car door and flat bed door cannot be opened.
A kind of elevator safety preventing car accidental movement is protected
The method of work of device, it is characterised in that in described step (3), when car accidental movement,
Square steel is supported by two supports of twin shaft ball-screw track slide unit side, and square steel stress is equal
Even, it is to avoid long screw is torn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410630948.5A CN104326323B (en) | 2014-11-11 | 2014-11-11 | A kind of safety protection apparatus for elevator preventing car accidental movement and method of work thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410630948.5A CN104326323B (en) | 2014-11-11 | 2014-11-11 | A kind of safety protection apparatus for elevator preventing car accidental movement and method of work thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104326323A CN104326323A (en) | 2015-02-04 |
| CN104326323B true CN104326323B (en) | 2016-08-24 |
Family
ID=52401155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410630948.5A Expired - Fee Related CN104326323B (en) | 2014-11-11 | 2014-11-11 | A kind of safety protection apparatus for elevator preventing car accidental movement and method of work thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104326323B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816989B (en) * | 2015-03-25 | 2017-01-04 | 浙江亿能电梯有限公司 | A kind of elevator auxiliary stop device |
| CN105173954A (en) * | 2015-09-18 | 2015-12-23 | 江南嘉捷电梯股份有限公司 | Device for preventing lift car from moving by accident |
| DE102015218025B4 (en) | 2015-09-18 | 2019-12-12 | Thyssenkrupp Ag | elevator system |
| CN107285229A (en) * | 2016-04-12 | 2017-10-24 | 王秋楠 | Lifting compartment prevents slippage brake apparatus |
| CN105668393B (en) * | 2016-04-25 | 2017-12-08 | 凯斯博电梯有限公司 | The mechanical car lockable mechanism of hall door |
| CN105858388A (en) * | 2016-05-25 | 2016-08-17 | 广州市蓝菱机电工程技术有限公司 | Novel elevator safety device |
| CN108238520A (en) * | 2018-01-03 | 2018-07-03 | 京东方科技集团股份有限公司 | A kind of lift load shifting equipment |
| CN108249251B (en) * | 2018-01-16 | 2019-06-28 | 何洋洋 | A kind of fall-preventing protection device for vertical lift lifting |
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|---|---|---|---|---|
| CN201737548U (en) * | 2010-06-25 | 2011-02-09 | 宁波华夏一品电梯有限公司 | Car-locking mechanism for machine-roomless lifts |
| CN102372206A (en) * | 2011-09-30 | 2012-03-14 | 快意电梯有限公司 | Device for preventing elevator cage from accidently moving |
| CN203833412U (en) * | 2014-05-07 | 2014-09-17 | 杭州奥立达电梯有限公司 | Protecting system for preventing lift car from accidental moving |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0925065A (en) * | 1995-07-12 | 1997-01-28 | Hitachi Ltd | Stopping device of elevator car |
| JPH1059662A (en) * | 1996-08-22 | 1998-03-03 | Toshiba Fa Syst Eng Kk | Elevator car position fixing device and shock absorber |
| JP2000203774A (en) * | 1998-11-12 | 2000-07-25 | Toshiba Corp | Stop locking device for elevator car |
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2014
- 2014-11-11 CN CN201410630948.5A patent/CN104326323B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201737548U (en) * | 2010-06-25 | 2011-02-09 | 宁波华夏一品电梯有限公司 | Car-locking mechanism for machine-roomless lifts |
| CN102372206A (en) * | 2011-09-30 | 2012-03-14 | 快意电梯有限公司 | Device for preventing elevator cage from accidently moving |
| CN203833412U (en) * | 2014-05-07 | 2014-09-17 | 杭州奥立达电梯有限公司 | Protecting system for preventing lift car from accidental moving |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104326323A (en) | 2015-02-04 |
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