CN106315338A - Passenger elevator for preventing safety accidents caused by accidental movement of lift car from happening - Google Patents
Passenger elevator for preventing safety accidents caused by accidental movement of lift car from happening Download PDFInfo
- Publication number
- CN106315338A CN106315338A CN201610863959.7A CN201610863959A CN106315338A CN 106315338 A CN106315338 A CN 106315338A CN 201610863959 A CN201610863959 A CN 201610863959A CN 106315338 A CN106315338 A CN 106315338A
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- Prior art keywords
- car
- speed
- elevator
- contact
- accidental movement
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- 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
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/24—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on guide ropes or cables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention relates to a passenger elevator for preventing safety accidents caused by accidental movement of a lift car from happening. The passenger elevator comprises a shaft frame, the lift car, a traction system, a speed limiter and a safe plier. A verification switch is arranged on a door lock of the lift car. The speed limiter comprises a speed limiting wheel, an electromagnetic valve connected with a circuit, formed by the verification switch, in series, and a limiting bolt. The passenger elevator further comprises a rope gripper which can receive the running information of the speed limiting wheel and clamp a steel wire rope of the traction system so that the lift car can be stopped. When the verification switch is switched off, a car door of the lift car is opened, and the electromagnetic valve is powered off. If the lift car moves, the lifting bolt is automatically inserted in the speed limiting wheel, the speed limiting wheel stops rotating, the rope gripper automatically clamps the steel wire rope, and the lift car is stopped. One time of protection is achieved before the safe plier acts, the safety of elevator running is enhanced, and meanwhile the passenger elevator is simple in structure, convenient to implement and low in cost.
Description
Technical field
The invention belongs to elevator preparation field, be specifically related to one and prevent the caused security incident of car accidental movement from occurring
Elevator.
Background technology
In recent years, the accident caused due to accidental movement of elevator cage, directly compromise the life wealth of the people
Produce safety, and elevator has issued " GT7588-2003 number one amendment " as special equipment, country for this problem, its
In describe the solution requirement needing elevator manufacturer for car accidental movement (UCMP).
Utilize control system to increase flat bed detection device for passenger lift a lot of elevator accessory producer, detect accidental movement
Implement main frame band-type brake again to solve this problem.
But, in practical operation, implement main frame band-type brake again by detection accidental movement and solve this problem method,
Need to increase many cables and flat bed inductive switch.Not only increase cost, but also add fault rate, simultaneously can't
Skid on the traction sheave on steel wire after solving emergency action main frame band-type brake and do not brake the possibility of car, cause safety tongs action
Problem, and safety tongs action to be elevator run last ensures together, therefore, security performance is in urgent need to be improved.
Summary of the invention
In order to overcome the defect of prior art, it is an object of the invention to provide a kind of improvement prevents car accidental movement institute
Cause the elevator that security incident occurs.It can form a pipe protection before safety tongs action, strengthens the safety that elevator runs
Property, simple in construction simultaneously, it is convenient to implement, and low cost.
For reaching above-mentioned purpose, the present invention provides a kind of visitor preventing the caused security incident of car accidental movement from occurring
Ladder, it includes hoistway frame, car, traction system, limiter of speed and safety tongs, is wherein provided with checking switch on the door lock of car,
Limiter of speed includes that speed limited wheel switchs electromagnetic valve and the limit bolt that the circuit formed concatenates mutually with checking, and this elevator also includes
It is able to receive that the steel wire rope of traction system is clamped so that car puts the rope brake stopped, when checking is opened by the operation information of speed limited wheel
When closing open circuit, the gate of car is opened, electromagnetic valve dead electricity, if car is moved, limit bolt is automatically inserted in speed limited wheel,
Speed limited wheel is stopped operating, and rope brake clamps steel wire rope automatically, and car is put and stopped.
Preferably, being provided with spacing hole on speed limited wheel, limiter of speed also includes so that limit bolt is kept away from electromagnetic valve
The elastic component that movement tendency moves to speed limited wheel, when, after electromagnetic valve dead electricity, limit bolt loses the absorption affinity of electromagnetic valve, in elasticity
Axially conflicting along speed limited wheel under the ordering about of part in the side of speed limited wheel, until the rotation of speed limited wheel, spacing hole turns to alignment
During limit bolt position, limit bolt inserts in spacing hole, limits the rotation of position-limited wheel, and information feeds back to folder rope
Steel wire rope clamped by device so that car is put and stopped.
One according to the present invention is embodied as and preferred aspect, and spacing hole has multiple, and the distance moved when car is big
In or equal to 150mm time, limit bolt automatically selects in the spacing hole of corresponding position.
Preferably, the second contact that checking switch includes the first contact being fixed on door-plate, is fixed on a slide plate
Part, when the gate of car closes, the first contact and the second contact touch and are formed closed-loop path, and electromagnetic valve obtains electric；When
When the gate of car is opened, the first contact and the second contact separate, and circuit disconnects, electromagnetic valve dead electricity.
Further, the first contact include contact head, order about contact head reset torsion spring, the second contact for hitting bow,
When hitting bow and touching contact head, torsion spring deformation；When hitting bow and separating with contact head, torsion spring recovers deformation, and contact head resets.
Preferably, rope brake is arranged on the installing rack of traction system.
Further, rope brake is to be not provided with and steel wire rope in progressive rope gripper, and the clamping plate of progressive rope gripper
The grooving matched.Use the operation of progressive rope gripper, traction steel-cable is applied progressive normal pressure, it is to avoid because of unexpected
The enormous impact that the steel wire rope that braking causes damages and brings to hoistway frame.
Additionally, limiter of speed is unidirectional or bidirectional speed limiter.
Compared to prior art, present invention have the advantage that
The present invention can form a pipe protection before safety tongs action, strengthens the safety that elevator runs, simple in construction simultaneously,
It is convenient to implement, and low cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of elevator of the present invention；
Fig. 2 is the structural representation of limiter of speed；
Fig. 3 is the structure enlarged diagram of electromagnetic valve and limit bolt in Fig. 2；
In accompanying drawing: 1, hoistway frame；2, car；3, traction system；30, installing rack；4, limiter of speed；40, speed limited wheel；41, electromagnetic valve；
42, limit bolt；43, elastic component；5, checking switch；50, the first contact；500, contact head；51, the second contact (hits
Bow)；6, rope brake (gradual).
Detailed description of the invention
Below in conjunction with the accompanying drawings the preferred embodiment of the present invention is described in detail.
As shown in Figure 1 to Figure 3, what the present embodiment provided prevents the visitor that the caused security incident of car accidental movement occurs
Ladder, it includes hoistway frame 1, car 2, traction system 3, limiter of speed 4 and safety tongs (for display in figure), wherein at the door of car 1
Lock be provided with checking switch 5, limiter of speed 4 include speed limited wheel 40 with checking switch 5 formation circuit concatenate mutually electromagnetic valve 41,
Limit bolt 42, limit bolt 42 is made to be kept away from the elastic component 43 that the movement tendency of electromagnetic valve 41 moves to speed limited wheel 40.
This elevator also includes that the steel wire rope of traction system 3 is clamped so that sedan-chair by the operation information being able to receive that speed limited wheel 40
The rope brake 6 stopped is put in railway carriage or compartment 2.
Concrete, rope brake 6 is arranged on the installing rack 30 of traction system 3.
Further, rope brake 6 is to be not provided with and steel wire rope in progressive rope gripper, and the clamping plate of progressive rope gripper
The grooving matched.Use the operation of progressive rope gripper, traction steel-cable is applied progressive normal pressure, it is to avoid because of unexpected
The enormous impact that the steel wire rope that braking causes damages and brings to hoistway frame.These parts are direct outsourcings, therefore, do not do it
Describe in detail.
In this example, checking switch 5 includes the first contact 50 being fixed on door-plate, second connecing of being fixed on a slide plate
Contact element 51, when the gate of car 2 closes, the first contact 50 and the second contact 51 touch and are formed closed-loop path, electromagnetism
Valve 41 obtains electric；When the gate of car 2 is opened, the first contact 50 and the second contact 51 separate, and circuit disconnects, electromagnetic valve 41
Dead electricity.
First contact 50 includes contact head 500, orders about the torsion spring (showing in figure) that contact head 500 resets, the second contact
Part 51 is for hitting bow, when hitting bow 51 and touching contact head 500, and torsion spring deformation；When hitting bow 51 and separating with contact head 500, torsion spring is extensive
Complex deformation, contact head 500 resets.
Meanwhile, in this example, speed limited wheel 40 is provided with multiple spacing hole, when checking switch 5 open circuit, the gate of car 2
Opening, electromagnetic valve 41 dead electricity, limit bolt 42 loses the absorption affinity of electromagnetic valve 41, along speed limited wheel under the ordering about of elastic component 43
40 axially conflict in the side of speed limited wheel 40, until the rotation of speed limited wheel 40, the distance that car 2 moves is more than or equal to 150mm
Time, when spacing hole turns to be directed at limit bolt 42 position, limit bolt 42 inserts in spacing hole, limits position-limited wheel 40
Rotation, and information fed back to rope brake 6 clamp steel wire rope so that car 2 is put and stopped.
Additionally, above-mentioned limiter of speed 4 is unidirectional or bidirectional speed limiter.
In sum, the elevator involved by the present embodiment, the most existing technology compares, and this novel elevator is by changing
Good original electrical equipment and mechanical organ, the problem implemented and solve (car accidental movement) UCMP.And up hypervelocity is protected
Protecting and the second protection of overspeed descending protection, this novel elevator also solves urgent system when steel wire rope skids on the traction sheave
Dynamic problem；Car accidental movement was just completed or the braking that lift car falls before safety tongs action；Becoming present aspect
The most existing implementing method is more to save, and is more secure at secure context.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this, all according to the present invention
The equivalence that spirit is made changes or modifies, and all should contain within protection scope of the present invention.
Claims (8)
1. preventing the elevator that the caused security incident of car accidental movement occurs, it includes hoistway frame, car, traction system
System, limiter of speed and safety tongs, its spy is: be provided with checking switch on the door lock of described car, and described limiter of speed includes limit
Speed wheel switchs, with described checking, electromagnetic valve and the limit bolt that the circuit formed concatenates mutually, and described elevator also includes can
The steel wire rope of described traction system is clamped so that car puts the rope brake stopped by the operation information receiving described speed limited wheel, works as institute
When stating checking switch open circuit, the gate of described car is opened, described electromagnetic valve dead electricity, if described car is moved,
Described limit bolt is automatically inserted in described speed limited wheel so that described speed limited wheel stops operating, and described rope brake presss from both sides automatically
Living steel wire rope, described car is put and is stopped.
The elevator preventing the caused security incident of car accidental movement from occurring the most according to claim 1, it is characterised in that:
Being provided with spacing hole on described speed limited wheel, described limiter of speed also includes so that described limit bolt is kept away from described electromagnetism
The elastic component that the movement tendency of valve moves to described speed limited wheel, when, after described electromagnetic valve dead electricity, described limit bolt loses
The absorption affinity of described electromagnetic valve, axially conflicts at the one of described speed limited wheel along described speed limited wheel under the ordering about of described elastic component
Side, until the rotation of described speed limited wheel, when described spacing hole turns to be directed at described limit bolt position, described is spacing
Latch inserts in described spacing hole, limits the rotation of described position-limited wheel, and information feeds back to described rope brake clamps steel
Cord so that described car is put and stopped.
The elevator preventing the caused security incident of car accidental movement from occurring the most according to claim 2, it is characterised in that:
Described spacing hole has multiple, and when the distance that described car moves is more than or equal to 150mm, described limit bolt selects automatically
Select in the described spacing hole of corresponding position.
The elevator preventing the caused security incident of car accidental movement from occurring the most according to claim 1, it is characterised in that:
Described checking switch includes the first contact being fixed on door-plate, the second contact being fixed on a slide plate, works as car
Gate Guan Bi time, the first described contact and described second contact touch and are formed closed-loop path, described electromagnetic valve
Obtain electric；When the gate of car is opened, the first described contact separates with described second contact, and circuit disconnects, described
Electromagnetic valve dead electricity.
The elevator preventing the caused security incident of car accidental movement from occurring the most according to claim 4, it is characterised in that:
The first described contact include contact head, order about described contact head reset torsion spring, the second described contact for hitting bow, when
The described bow that hits is when touching described contact head, described torsion spring deformation；When described hit bow separate with described contact head time, described torsion
Spring recovers deformation, and described contact head resets.
The elevator preventing the caused security incident of car accidental movement from occurring the most according to claim 1, it is characterised in that:
Described rope brake is arranged on the installing rack of described traction system.
7., according to preventing, described in claim 1 or 6, the elevator that the caused security incident of car accidental movement occurs, its feature exists
In: described rope brake is to be not provided with in progressive rope gripper, and the clamping plate of described progressive rope gripper and steel wire rope phase
The grooving joined.
The elevator preventing the caused security incident of car accidental movement from occurring the most according to claim 1, it is characterised in that:
Described limiter of speed is unidirectional or bidirectional speed limiter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863959.7A CN106315338B (en) | 2016-09-29 | 2016-09-29 | The elevator for preventing the caused safety accident of carriage accidental movement from occurring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863959.7A CN106315338B (en) | 2016-09-29 | 2016-09-29 | The elevator for preventing the caused safety accident of carriage accidental movement from occurring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106315338A true CN106315338A (en) | 2017-01-11 |
| CN106315338B CN106315338B (en) | 2018-12-14 |
Family
ID=57820355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610863959.7A Active CN106315338B (en) | 2016-09-29 | 2016-09-29 | The elevator for preventing the caused safety accident of carriage accidental movement from occurring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106315338B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028037A (en) * | 2021-02-23 | 2021-06-25 | 盐城平安机械有限公司 | Multi-cylinder small crawler tractor gearbox |
| CN115346428A (en) * | 2022-04-22 | 2022-11-15 | 江苏省特种设备安全监督检验研究院 | Linkage test display device of elevator car and test method thereof |
-
2016
- 2016-09-29 CN CN201610863959.7A patent/CN106315338B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028037A (en) * | 2021-02-23 | 2021-06-25 | 盐城平安机械有限公司 | Multi-cylinder small crawler tractor gearbox |
| CN113028037B (en) * | 2021-02-23 | 2023-11-28 | 盐城平安机械有限公司 | Multi-cylinder small crawler tractor gearbox |
| CN115346428A (en) * | 2022-04-22 | 2022-11-15 | 江苏省特种设备安全监督检验研究院 | Linkage test display device of elevator car and test method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106315338B (en) | 2018-12-14 |
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