CN210001370U - protection device for accidental movement of car - Google Patents
protection device for accidental movement of car Download PDFInfo
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- CN210001370U CN210001370U CN201920505161.4U CN201920505161U CN210001370U CN 210001370 U CN210001370 U CN 210001370U CN 201920505161 U CN201920505161 U CN 201920505161U CN 210001370 U CN210001370 U CN 210001370U
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- car
- protection device
- linkage
- transmission
- roller
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Abstract
The utility model belongs to the technical field of the elevator, concretely relates to car unexpected protection device that removes, trigger subassembly and emergency brake including detecting, it triggers the unit mount on elevator car to detect, it includes gyro wheel, transmission portion and linkage portion to detect to trigger the subassembly, the gyro wheel is used for matching with the guide rail and is used for responding to car motion state, transmission portion is used for triggering emergency brake, and the linkage portion that is in outage state is used for being connected gyro wheel and transmission portion linkage, and when the car was in unexpected removal, the gyro wheel rotated linkage transmission portion in order to trigger emergency brake.
Description
Technical Field
The utility model belongs to the technical field of the elevator, concretely relates to car unexpected protection device that removes.
Background
The UCMP is the protection device for the accidental movement of the car, is arranged on the elevator and is mainly used for stopping the car, the car leaving the landing in the unlocking area and the opening state moves accidentally, if the car moves accidentally, the protection device for the accidental movement of the car starts to protect the car, so that passengers are prevented from being injured by the accidental movement of the car when entering or exiting the car, and safety guarantees are added for the passengers.
Most of the existing accidental movement protection devices mainly rely on the photoelectric switch or speed limiter at the elevator floor , and the encoder in the traction sheave and other electronics as detection triggering, and solve the UCMP problem through indirect protection of the traction machine brake, and the detection control chain is long, the link is large, the direct detection and the safety protection are not realized, and the accidental movement is not protected in the power-off state, and the safety risk of is caused.
Therefore, there is a need in the art for most direct detection and protection methods, and to solve the problem of protecting against accidental movement of the car after the elevator is in a power-off state.
SUMMERY OF THE UTILITY MODEL
Based on the above-mentioned not enough that exists among the prior art, the utility model provides an unexpected protection device that removes of kinds of cars.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
unexpected protection device that removes of car, including detecting trigger assembly and emergency brake, it installs on elevator car to detect trigger assembly, it includes gyro wheel, transmission portion and linkage portion to detect trigger assembly, the gyro wheel is used for matching with the guide rail and is connected with response car motion state, transmission portion is used for triggering emergency brake, and the linkage portion that is in outage state is used for being connected gyro wheel and transmission portion linkage, and when the car was in unexpected removal, the gyro wheel rotated linkage transmission portion in order to trigger emergency brake.
Preferably, the linkage part is provided with an electromagnet and a linkage mechanism, and the roller and the transmission part are in linkage connection by the linkage mechanism when the electromagnet is powered off.
Preferably, the transmission part is a transmission wheel.
Preferably, the driving wheel and the roller are positioned on the same axis.
Preferably, the linkage mechanism comprises a magnetic adsorption part and a spring part, the spring part is arranged between the magnetic adsorption part and the driving wheel, and when the electromagnet is powered off, the spring part pushes the magnetic adsorption part to be matched with the roller wheel to link the driving wheel.
Preferably, when the spring part pushes the magnetic adsorption part to be matched with the roller, the magnetic adsorption part is in friction connection with the roller to link the transmission wheel.
As preferred scheme, magnetism adsorbs the piece and is magnetic chuck, magnetic chuck and the coaxial setting of drive wheel.
Preferably, the emergency brake comprises a lifting mechanism and a bidirectional safety gear.
Preferably, the roller is internally provided with a mechanical speed limiting structure and/or an electronic speed limiting structure.
Preferably, the electronic speed limiting structure is provided with an encoder.
Compared with the prior art, the utility model, beneficial effect is: the unexpected protection device that removes of car of this embodiment can realize the power-off mechanical action of device in the unexpected protection that removes, compares traditional electron device and detects safelyr, still can protect the unexpected removal of car after the elevator cuts off the power supply suddenly simultaneously.
Drawings
Fig. 1 is a schematic front view of an accidental car movement protection device according to an embodiment of the present invention;
fig. 2 is a schematic view of the whole back structure of an accidental car movement protection device according to an embodiment of the present invention;
fig. 3 is a schematic side view of an accidental car movement protection device according to an embodiment of the present invention;
fig. 4 is an exploded view of an accidental car movement protection device according to an embodiment of the present invention;
wherein: A. a guide rail; B. an emergency brake; 1. a roller; 2. a driving wheel; 3. a linkage section; 31. an electromagnet; 32. a magnetic adsorption disk; 33. a spring member; 34. and a guide shaft.
Detailed Description
It is to be understood that the drawings in the following description are merely exemplary of the present invention , and that other drawings and embodiments can be obtained by those skilled in the art without inventive faculty.
Example :
as shown in fig. 1-4, the car unexpected movement protection device of this embodiment is used for the unexpected protection of removing to elevator car, including detecting trigger component and emergency brake B, detects trigger component and installs on elevator car, including gyro wheel 1 and transmission portion, gyro wheel 1 matches with guide rail a, drives gyro wheel 1 and guide rail a friction during the car motion, thereby gyro wheel 1 rotates the motion state of response car, and transmission portion connects emergency brake B for example: a lifting rod connected with the safety tongs or a lifting mechanism with a lifting force; set up linkage portion 3 between gyro wheel 1 and transmission portion, linkage portion 3 linkage connection gyro wheel 1 and transmission portion during the outage, at this moment, thereby if the car removes and then can drive gyro wheel 1 and rotate linkage transmission portion action, surpass behind the detection distance, transmission portion action triggers emergency brake B and brakes the elevator car to the unexpected removal of protection car.
Specifically, the transmission part is a transmission wheel 2, the position, close to the edge, of the wheel disc surface of the transmission wheel 2 is fixedly connected with a lifting rod of an emergency brake B through a bolt, the transmission wheel 2 and a roller 1 are arranged on the same axis and are connected through a bearing, when an elevator car normally moves, the roller 1 is not linked with the transmission wheel 2, the linkage part 3 comprises an electromagnet 31 and a linkage mechanism, the linkage mechanism comprises a magnetic adsorption piece and a spring piece 33, the magnetic adsorption piece can be adsorbed by the electromagnet 31 in an electrified state, the magnetic adsorption piece is a magnetic adsorption disc 32 coaxially arranged with the transmission wheel 2, the magnetic adsorption disc 32 is connected with the transmission wheel 2 through a plurality of spring pieces 33, the magnetic adsorption disc 32 can move between the transmission wheel 2 and the roller 1 and is connected and linked with the transmission wheel 2, preferably, the magnetic adsorption disc 32 is connected with the transmission wheel 2 through a plurality of guide shafts 34, the magnetic adsorption disc 32 can move in the guide direction of the guide shafts 34 and is connected and linked with the transmission wheel 2, the spring piece 33 is arranged on the guide shafts 34.
When the elevator control system receives an unexpected movement monitoring signal of the elevator car, such as opening of an elevator floor , the electromagnet 31 is controlled to be powered off, or the elevator is suddenly powered off, the electromagnet 31 is controlled to be powered off, the adsorption force of the electromagnet 31 on the magnetic adsorption disc 32 disappears, the magnetic adsorption disc 32 is pushed to the roller 1 under the action of the elastic force of the spring piece 33, so that the roller 1 is in contact fit friction connection with the roller 1, if the elevator car moves, the roller 1 performs corresponding induction rotation, the roller 32 performs friction force action, the driving wheel 2 rotates in a linkage manner through the magnetic adsorption disc 32, the driving wheel 2 then acts to pull a safety clamp lifting rod or other safety protection devices such as a lifting mechanism to perform emergency braking on the elevator car to realize the unexpected movement protection, the elevator car is additionally provided with a friction force, after the unexpected movement fault is recovered, or after the elevator is powered on, the elevator control system controls the electromagnet 31 to be in contact with the magnetic adsorption disc 32, the roller 31 to be in contact with the elevator car, the roller 31 can be adjusted to be in an unexpected movement state, such as the friction force of the elevator car, the elevator car is adjusted, the elevator car is automatically adjusted, the elevator car is adjusted by the elevator car, the elevator car is automatically adjusted by the elevator car, the elevator car is adjusted by the elevator car, the elevator car is automatically adjusted by the elevator car.
The roller 1 can be also internally provided with a mechanical speed limiting structure and/or an electronic speed limiting structure, the mechanical speed limiting structure is a centrifugal device, the electronic speed limiting structure is an electronic speed limiting structure such as a photoelectric rotary encoder and a magnetic encoder, when the roller 1 rotates, the encoder can detect the motion state of the lift car, for example, the motion speed, the acceleration, the deceleration, the position, the motion distance and the like, and then can judge that the electromagnet 31 is controlled to be powered off to brake and protect the lift car when the elevator is in an abnormal motion state, and the roller can be used as a speed limiter when the lift car is accidentally protected.
It should be noted that in the present application, the power-off state linkage portion 3 links the roller 1 and the transmission portion 2, and the power-off state means that the elevator control system powers off the protection device for the accidental movement of the car or the power-off of the elevator system and the power-off of the protection device for the accidental movement of the car under the condition that the car is not locked at the floor and the elevator car is not closed.
The unexpected protection device that removes of car of this embodiment can realize the power-off mechanical action of device in the unexpected protection that removes, compares traditional electron device and detects safelyr, still can protect the unexpected removal of car after the elevator cuts off the power supply suddenly simultaneously.
Example two:
the present embodiment is different from embodiment in that:
the linkage part can be replaced by other power-off action linkage parts, such as a spring, which is electrified to contract and is discharged when power is off, compared with the embodiment , the specific structure of the linkage part is not limited.
Other configurations may be found in example .
Example three:
the present embodiment is different from embodiment in that:
the magnetic adsorption disk can be replaced by a magnetic adsorption block, the driving wheel is connected with the magnetic adsorption block through a plurality of guide shafts, and a spring part is arranged, when the electromagnet is powered off, the spring part pushes the magnetic adsorption block to the rolling wheel linkage driving wheel, compared with embodiment , the specific structure of the magnetic adsorption part is not limited.
Other configurations may be found in example .
Example four:
the present embodiment is different from embodiment in that:
the transmission wheel can be arranged on the same axis of with the roller, and the transmission direction can be changed by a transmission piece such as a gear, compared with embodiment , the specific position of the transmission wheel is not limited.
Through the transmission of different transmission members, the transmission wheel can be replaced by other transmission members which can play a role in transmission, such as a transmission rod, a transmission shaft and the like.
Other configurations may be found in example .
Example five:
the present embodiment is different from embodiment in that:
the linkage mechanism can be a permanent magnet, the repelling surface of the permanent magnet and the electromagnet is arranged on the side, facing the driving wheel , of the roller, friction plates and magnetic adsorption pieces are arranged on the electromagnet or omitted, the electromagnet repels the permanent magnet when electrified, at the moment, the driving wheel and the roller are not linked, when the electromagnet is not electrified, the permanent magnet adsorbs an electromagnet core, and the roller and the surface of the electromagnet are in adsorption contact with the linkage driving wheel in a matching manner.
Other configurations may be found in example .
Example six:
the present embodiment is different from embodiment in that:
the mechanical speed limiting structure and/or the electronic speed limiting structure can be omitted, and compared with the embodiment , the structure is simplified.
Other configurations may be found in example .
Example seven:
the present embodiment is different from embodiment in that:
the spring member may be a gas spring, a hydraulic spring, or other structures having spring properties, and the specific structure of the spring member is not limited compared to embodiment .
Other configurations may be found in example .
Example eight:
the present embodiment is different from embodiment in that:
the magnetic adsorption piece is matched with the roller, a groove is formed in the roller, a bulge is arranged on the magnetic adsorption piece, when the electromagnet is powered off, the magnetic adsorption piece presses the roller, the bulge and the groove are matched and abutted to drive the driving wheel to be linked instead of friction to drive the driving wheel to be linked, and compared with the embodiment , the matching structure between the magnetic adsorption piece and the roller is not limited.
Other configurations may be found in example .
It should be noted that the above embodiments can be freely combined as necessary. The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.
Claims (10)
- The protection device is removed in accident of kinds of car, including detecting trigger subassembly and emergency brake, its characterized in that, it installs on elevator car to detect trigger subassembly, it includes gyro wheel, transmission portion and linkage portion to detect trigger subassembly, the gyro wheel is used for matching with the guide rail in order to respond to car motion state, transmission portion is used for triggering emergency brake, and the linkage portion that is in the outage state is used for being connected gyro wheel and transmission portion linkage, and when the car was in unexpected the removal, the gyro wheel rotated linkage transmission portion in order to trigger emergency brake.
- 2. The car accident movement protector of claim 1, wherein the linkage part has an electromagnet and a linkage mechanism, the linkage mechanism linking the roller and the transmission part when the electromagnet is powered off.
- 3. The protection device of kinds of car accidental movement of claim 2, wherein the transmission part is a transmission wheel.
- 4. The car accident movement protection device of claim 3, wherein said drive wheel and said roller are located on the same axis .
- 5. The protection device of kinds of car accident movement of claim 4, wherein the linkage mechanism includes a magnetic attraction piece and a spring piece, the spring piece is disposed between the magnetic attraction piece and the transmission wheel, when the electromagnet is de-energized, the spring piece pushes the magnetic attraction piece to match with the roller to link the transmission wheel.
- 6. The protection device of kinds of car accident movement of claim 5, wherein when the spring member pushes the magnetic attraction member to match with the roller, the magnetic attraction member is in friction connection with the roller to link the transmission wheel.
- 7. The protection device of kinds of car accidental movement of claim 6, wherein the magnetic attraction piece is a magnetic disc, and the magnetic disc is coaxially arranged with the transmission wheel.
- 8. The car accident movement protection device of any one of claims 1-6- , wherein the emergency brake includes a pull mechanism and a safety gear.
- 9. The car accident movement protection device of any one of claims 1-6- , wherein the rollers have mechanical and/or electronic speed limiting structures.
- 10. The protection device of kinds of car accidental movement of claim 9, wherein the electronic speed limiting structure is provided with an encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920505161.4U CN210001370U (en) | 2019-04-15 | 2019-04-15 | protection device for accidental movement of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920505161.4U CN210001370U (en) | 2019-04-15 | 2019-04-15 | protection device for accidental movement of car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210001370U true CN210001370U (en) | 2020-01-31 |
Family
ID=69303788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920505161.4U Active CN210001370U (en) | 2019-04-15 | 2019-04-15 | protection device for accidental movement of car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210001370U (en) |
-
2019
- 2019-04-15 CN CN201920505161.4U patent/CN210001370U/en active Active
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