CN207943714U - Prevent the safety device of accidental movement of elevator cage - Google Patents
Prevent the safety device of accidental movement of elevator cage Download PDFInfo
- Publication number
- CN207943714U CN207943714U CN201820339141.XU CN201820339141U CN207943714U CN 207943714 U CN207943714 U CN 207943714U CN 201820339141 U CN201820339141 U CN 201820339141U CN 207943714 U CN207943714 U CN 207943714U
- Authority
- CN
- China
- Prior art keywords
- elevator
- directive wheel
- sleeve
- safety device
- accidental movement
- 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.)
- Active
Links
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Prevent the safety device of accidental movement of elevator cage.It is related to elevator accessories field, and in particular to a kind of safety device that can prevent accidental movement of elevator cage.Provide it is a kind of simple in structure, can in time, effectively prevent the safety device of accidental movement of elevator cage.It is connected in elevator, driving wheel and directive wheel are equipped in the elevator, it is arranged with cable wire on the directive wheel, the safety device includes telescopic component and brake assemblies, the directive wheel is equipped with perforation, and the distance between center line of the perforation to the center line of directive wheel is more than the 1/4 of guiding wheel diameter.The utility model has the characteristics of simple in structure, in time, effectively to contain accidental movement of elevator cage on the whole.
Description
Technical field
The utility model is related to elevator accessories fields, and in particular to a kind of safety that can prevent accidental movement of elevator cage
Device.
Background technology
Recent years, elevator car slipping, rush to summit, the contingency at crouching bottom happens occasionally, to contain the generation of such accident,
The newest promulgation in China《Elevator manufactures and installation safety standard》Increasing elevator in the modification list of standard the 1st and should installing additional prevents sedan-chair
The Compulsory Feature of the safety guard of compartment accidental movement, with the pernicious casualties thing for preventing car accidental movement from generating
Therefore.
In current elevator device, elevator keeps stopping at the state of some position, is rubbed by the band-type brake of traction machine
Mechanical resistance is wiped to stop the rotation of motor and realize.Once band-type brake fails, car or counterweight will fall along hoistway under the effect of gravity.
For such case when being happened at level position of elevator enabling disengaging passenger, the personal injury accident of generation is very serious.
There is presently no the generations that a kind of device can actively prevent this accident.The current products such as rail device, rope brake of embracing are also to produce
The device for passively preventing car to move when raw failure, but its structure is complex, is not used for a long time, and the risk of part aging improves,
When accident occurs, the risk for embracing rail failure or rope-clamping failure also improves therewith.
Utility model content
The utility model in view of the above problems, provide it is a kind of simple in structure, can in time, effectively prevent lift car to anticipate
The safety device of outer movement.
The technical solution of the utility model is：It is connected in elevator, driving wheel and directive wheel is equipped in the elevator,
It is arranged with cable wire on the directive wheel, the safety device includes telescopic component and brake assemblies,
The directive wheel is equipped with perforation, and the distance between center line of the perforation to the center line of directive wheel is more than leading
To the 1/4 of wheel diameter；
The telescopic component is located at the side of directive wheel, and the telescopic component includes telescopic rod and cross bar, the telescopic rod
It is fixedly connected on the inner wall of elevator, the telescopic rod drives cross bar to be movably connected in the perforation of directive wheel；
The brake assemblies are located at the middle and lower part of directive wheel, and the brake assemblies include hollow sleeve, pressure ball and pressing plate,
On the inner wall of the sleeve connection elevator, the section of the sleeve is up big and down small trapezoidal, the cable wire and pressure ball difference
In sleeve, the cable wire is located between the inner wall and pressure ball of sleeve；
The pressing plate is slidably connected in elevator, and the pressing plate is located at the top of sleeve, and the pressing plate is connect by compression bar
It presses on ball.
The cross bar is by magnetic connection on telescopic rod.
The compression bar is equipped with spring close to the end of pressure ball side.
The side that the sleeve is contacted with cable wire is in shiny surface.
It is carved with metal annular knurl in the side that the sleeve is contacted with cable wire.
At work, when elevator preceding generation accidental movement in stopping, directive wheel rotation drives cross bar to the utility model
Rotation so that cross bar is detached from telescopic rod, and after cross bar is detached from telescopic rod, cross bar moves in a circle downwards with directive wheel, works as cross bar
After contacting pressing plate, continues to move, pressing plate will be oppressed and moved downward, the compression bar below pressing plate can also move downward, to push
Pressure ball moves downward, and since sleeve section is in up big and down small trapezoidal, pressure ball Continued downward motion will reduce sleeve lateral wall, steel
The distance between rope and pressure ball three, in this way, realizing electricity using the frictional force between sleeve lateral wall and cable wire and pressure ball and cable wire
The braking of terraced car.The utility model on the whole have it is simple in structure, can in time, effectively contain accidental movement of elevator cage
Feature.
Description of the drawings
Fig. 1 is elevator structure schematic diagram,
Fig. 2 is the structural schematic diagram of the utility model,
Fig. 3 is the working state schematic representation of the utility model,
Fig. 4 is the left view of Fig. 1；
1 is driving wheel in figure, and 2 be directive wheel, and 21 be cable wire, and 22 be perforation, and 31 be telescopic rod, and 32 be cross bar, and 41 be set
Cylinder, 42 be pressure ball, and 43 be pressing plate, and 44 be compression bar, and 440 be spring.
Specific implementation mode
The utility model is as shown in Figs 1-4, is connected in elevator, and driving wheel 1 and directive wheel are equipped in the elevator
2, it is arranged with cable wire 21 on the directive wheel 2, the safety device includes telescopic component and brake assemblies,
The directive wheel 2 be equipped with perforation 22, it is described perforation 22 center line to directive wheel 2 the distance between center line
More than the 1/4 of 2 diameter of directive wheel；Perforation is eccentrically set on directive wheel, in this way, the center of circle of the perforation far from directive wheel, coordinates position
Pressing plate in directive wheel middle and lower part so that the active force bigger of pressing plate is perforated and pushed to cross bar being inserted into, it is ensured that pressing plate can
By acting on compression bar.
The telescopic component is located at the side of directive wheel 2, and the telescopic component includes telescopic rod 31 and cross bar 32, described to stretch
Contracting bar 31 is fixedly connected on the inner wall of elevator, and the drive cross bar 32 of the telescopic rod 31 is movably connected in the perforation 22 of directive wheel 2
It is interior；One week distance passed by can be rotated on directive wheel the distance between adjacent elevator door is set according to perforation, in this way,
After may insure that lift car stops, cross bar can be properly inserted in pilot hole；In normal course of operation, when elevator reaches
After designated floor, telescopic rod action drives cross bar to perforation, and before elevator is run again, telescopic rod wears cross bar pull-out
Hole and separate directive wheel, when before operation again accidental movement occurs for elevator, directive wheel rotation, drive cross bar rotation so that
Cross bar is detached from telescopic rod.
The brake assemblies are located at the middle and lower part of directive wheel 2, and the brake assemblies include hollow sleeve 41,42 and of pressure ball
Pressing plate 43, the sleeve 41 connect on the inner wall of elevator, and the section of the sleeve 41 is up big and down small trapezoidal, the cable wire
21 and pressure ball 42 be respectively arranged in sleeve 41, the cable wire 21 is located between the inner wall and pressure ball 42 of sleeve 41；
The pressing plate 43 is slidably connected in elevator, and the pressing plate 43 is located at the top of sleeve 41, and the pressing plate 43 is logical
Compression bar 44 is crossed to contact on pressure ball 42.Sleeve is hollow structure, and the upper and lower side of sleeve penetrates, in this way, when elevator normal operation, steel
Rope passes through sleeve inner, unaffected；When cross bar be detached from telescopic rod after, judge lift car for accidental movement, at this point, cross bar with
Directive wheel moves in a circle downwards, after beam contact pressing plate, continues to move, and will oppress pressing plate and move downward, below pressing plate
Compression bar can also move downward, to push pressure ball to move downward, since sleeve section is in up big and down small trapezoidal, pressure ball is lasting
The distance between sleeve lateral wall, cable wire and pressure ball three will be reduced by moving downward, in this way, utilizing sleeve lateral wall and cable wire and pressure
Frictional force between ball and cable wire realizes the braking of lift car.Compression bar can be connect with pressing plate, be integrally machined.
The cross bar 32 is by magnetic connection on telescopic rod 31.In this way, after accidental movement of elevator cage, directive wheel band
Dynamic beam movement, only destroys the magnetic force between cross bar and telescopic rod so that cross bar may be reused, and save cost.
The compression bar 44 is equipped with spring 440 close to the end of 42 side of pressure ball.Spring is set so that compression bar is bonded with pressure ball more to be stepped up
It is close so that compression bar pushes the process of pressure ball more steady, avoids compression bar and deviates pressure ball, it is ensured that pushing course is stable, reliable, and
And after accidental movement of elevator cage trouble shooting, cross bar thus can will brake group far from pressing plate by the elastic force of spring
Part resets so that brake assemblies rearming.
The side that the sleeve 41 is contacted with cable wire 21 is in shiny surface.Surface is smooth, is kept away while braking reliable, effective
Exempt from cable wire excessive friction and cause to be lost, and then influences the normal operation of elevator.
It is carved with metal annular knurl in the side that the sleeve 41 is contacted with cable wire 21.In this way, pressure ball and sleeve to the extruding of cable wire,
Friction is more securely, reliably, it is ensured that effectively prevents the further accidental movement of lift car.
Claims (5)
1. preventing the safety device of accidental movement of elevator cage, be connected in elevator, be equipped in the elevator driving wheel and
Directive wheel is arranged with cable wire on the directive wheel, which is characterized in that and the safety device includes telescopic component and brake assemblies,
The directive wheel is equipped with perforation, and the distance between center line of the perforation to the center line of directive wheel is more than directive wheel
The 1/4 of diameter；
The telescopic component is located at the side of directive wheel, and the telescopic component includes telescopic rod and cross bar, and the telescopic rod is fixed
It is connected to the inner wall of elevator, the telescopic rod drives cross bar to be movably connected in the perforation of directive wheel；
The brake assemblies are located at the middle and lower part of directive wheel, and the brake assemblies include hollow sleeve, pressure ball and pressing plate, described
On the inner wall of sleeve connection elevator, the section of the sleeve is up big and down small trapezoidal, and the cable wire and pressure ball are respectively arranged on
In sleeve, the cable wire is located between the inner wall and pressure ball of sleeve；
The pressing plate is slidably connected in elevator, and the pressing plate is located at the top of sleeve, and the pressing plate is contacted by compression bar and pressed
On ball.
2. the safety device according to claim 1 for preventing accidental movement of elevator cage, which is characterized in that the cross bar is logical
Magnetic connection is crossed on telescopic rod.
3. the safety device according to claim 1 for preventing accidental movement of elevator cage, which is characterized in that the compression bar leans on
The end of nearly pressure ball side is equipped with spring.
4. the safety device according to claim 1 for preventing accidental movement of elevator cage, which is characterized in that the sleeve with
The side of cable wire contact is in shiny surface.
5. the safety device according to claim 1 for preventing accidental movement of elevator cage, which is characterized in that the sleeve with
It is carved with metal annular knurl in the side of cable wire contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820339141.XU CN207943714U (en) | 2018-03-12 | 2018-03-12 | Prevent the safety device of accidental movement of elevator cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820339141.XU CN207943714U (en) | 2018-03-12 | 2018-03-12 | Prevent the safety device of accidental movement of elevator cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207943714U true CN207943714U (en) | 2018-10-09 |
Family
ID=63696922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820339141.XU Active CN207943714U (en) | 2018-03-12 | 2018-03-12 | Prevent the safety device of accidental movement of elevator cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207943714U (en) |
-
2018
- 2018-03-12 CN CN201820339141.XU patent/CN207943714U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101759076B (en) | Elevator buffer | |
| CN101565145A (en) | Novel progressive safety tongs | |
| CN111377339B (en) | Elevator car parking brake and elevator | |
| JP5603755B2 (en) | Elevator equipment | |
| CN204873338U (en) | Prevent unexpected two -way rope ware device that presss from both sides that removes of elevator car | |
| CN111942989A (en) | Construction elevator security protection device for construction | |
| CN207943714U (en) | Prevent the safety device of accidental movement of elevator cage | |
| CN204823562U (en) | Gradual two -way rope ware that presss from both sides | |
| CN109368440B (en) | Gear self-driven elevator | |
| CN103708317A (en) | Elevator safety device | |
| CN106081779B (en) | A kind of bidirectional safety tongs shift mechanism | |
| CN205998798U (en) | Compact rope brake | |
| CN204873325U (en) | Speed limiter | |
| JP5513646B1 (en) | Elevator governor | |
| CN206580324U (en) | The anti-skidding anti-fall device of loading chute | |
| KR101117340B1 (en) | Safety device for an elevator | |
| CN105173981A (en) | Safe and reliable traction-type passenger elevator and safety control method thereof | |
| CN102849557B (en) | Double-protection safety device used for elevator | |
| CN115321303B (en) | Safety protection device for elevator car | |
| CN205527153U (en) | Elevator goes upward overspeed protection device | |
| CN218320116U (en) | Safety tongs lifting device and elevator | |
| CN217920963U (en) | Screw mounting structure for platform ladder | |
| CN220616072U (en) | Electromagnetic brake for ultrathin scooter | |
| CN220726916U (en) | Novel two-way fork truck stopper of double pump | |
| CN214828164U (en) | Elevator emergency brake |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |