CN216141091U - Vibration damper at bottom of elevator sedan-chair - Google Patents
Vibration damper at bottom of elevator sedan-chair Download PDFInfo
- Publication number
- CN216141091U CN216141091U CN202120524215.9U CN202120524215U CN216141091U CN 216141091 U CN216141091 U CN 216141091U CN 202120524215 U CN202120524215 U CN 202120524215U CN 216141091 U CN216141091 U CN 216141091U
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- CN
- China
- Prior art keywords
- damping
- car
- vibration damping
- air bag
- mounting plate
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- 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
Links
- 238000013016 damping Methods 0.000 claims abstract description 82
- 230000003139 buffering effect Effects 0.000 claims abstract description 16
- 239000002344 surface layer Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000037431 insertion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Cage And Drive Apparatuses For Elevators (AREA)
- Vibration Prevention Devices (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The utility model discloses a damping device for an elevator car bottom, which comprises a structural main body, wherein the structural main body comprises a car and a damping device arranged at the bottom of the car; the damping device comprises a mounting plate and a damping base, wherein a plurality of groups of supporting rods are arranged on the mounting plate, and a buffer rubber ring is arranged between the mounting plate and the car; the upper end of the supporting rod is sleeved with a first damping spring; the lower end of the supporting rod is provided with a second damping spring; a buffering air bag is arranged in the center of the vibration damping base; the first damping spring and the second damping spring are arranged to play a role in bidirectional damping; the bidirectional buffering vibration attenuation is realized through the arrangement of the buffering rubber ring and the buffering air bag; through combining multiple damping subassembly and buffering subassembly, realize multiple mode damping, improved the damping effect, make the car can satisfy the damping demand of different loads, improve the stability of elevator operation.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to an elevator car bottom vibration damping device.
Background
The elevator car is a box-shaped space for carrying and transporting people and goods, and generally comprises main components such as a car bottom, a car wall, a car top, a car door and the like, and is a car body component for carrying passengers, goods and other loads. The vibration mainly comes from the traction machine, and is transmitted to the car frame system through the steel wire rope. At the same time, the guide shoes which are fixed to the car frame and run along the guide rails also generate vibrations which are ultimately transmitted to the car connected to the car frame. The elevator runs up and down in the hoistway, the elevator car is often in an overweight or weightless state, particularly in the starting and braking stages of a high-speed elevator, the system has large acceleration and deceleration, and vibration can be transmitted to the elevator car along the vertical up-down direction.
Among the prior art, the damping is all installed between car and sedan-chair through directly with the block rubber at the bottom of the elevator car, and its project organization is also complicated various with connected mode, nevertheless all relies on the vibration isolation principle of block rubber, and the damping effect of rubber is not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide an elevator car bottom vibration damper.
The utility model achieves the aim through the following technical scheme, and the elevator car bottom vibration damping device comprises a structural main body, wherein the structural main body comprises a car and a vibration damping device fixedly arranged at the bottom of the car;
the vibration damping device comprises a mounting plate and a vibration damping base, and a plurality of groups of support rods are arranged on the mounting plate;
a buffer rubber ring is arranged between the mounting plate and the car;
the upper end of the supporting rod is sleeved with a first damping spring, and two ends of the first damping spring are fixedly connected with the lift car and the mounting plate respectively;
the lower end of the supporting rod is provided with a second damping spring which is inserted in the damping base;
and a buffering air bag is arranged in the center of the vibration reduction base.
Preferably, the upper end of the support rod is fixedly connected with the bottom of the car.
Preferably, a round hole is formed in one side of the vibration damping base, and a charging and discharging nozzle is arranged on the buffering air bag and located in the round hole.
Preferably, the center of the vibration damping base is provided with an air bag mounting groove, and the buffering air bag is fixedly arranged in the air bag mounting groove through screws.
Preferably, the damping base is provided with a plurality of groups of insertion grooves corresponding to the support rods, the second damping springs are located in the insertion grooves, and two ends of each second damping spring are fixedly connected with the support rods and the insertion grooves respectively.
Preferably, the surface layers of the buffer rubber ring and the buffer air bag are provided with anticorrosive layers.
Preferably, the cushion rubber ring is of a central structure, and a plurality of groups of vent holes are formed in the surface layer of the cushion rubber ring.
The utility model has the beneficial effects that:
through the arrangement of the first damping spring and the second damping spring, the first damping spring is positioned at the upper end of the supporting rod, and the second damping spring is positioned at the lower end of the supporting rod, so that the bidirectional damping effect is achieved; through the arrangement of the buffer rubber ring and the buffer air bag, the buffer rubber ring is positioned between the mounting plate and the lift car, and the buffer air bag is positioned between the vibration damping base and the mounting plate, so that bidirectional buffer vibration damping is realized; through combining multiple damping subassembly and buffering subassembly, realize multiple mode damping, improved the damping effect, make the car can satisfy the damping demand of different loads, improve the stability of elevator operation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2:
the elevator car bottom vibration damping device comprises a structural main body, wherein the structural main body comprises a car 6 and a vibration damping device fixedly arranged at the bottom of the car 6; the damping device comprises a mounting plate 8 and a damping base 1, wherein a plurality of groups of support rods 3 are arranged on the mounting plate 8; a buffer rubber ring 7 is arranged between the mounting plate 8 and the car 6; a first damping spring 5 is sleeved at the upper end of the supporting rod 3, and two ends of the first damping spring 5 are respectively and fixedly connected with the car 6 and the mounting plate 8; the lower end of the support rod 3 is provided with a second damping spring 12, and the second damping spring 12 is inserted into the damping base 1; and a buffering air bag 9 is arranged in the center of the vibration damping base 1.
The upper end of the support rod 3 is fixedly connected with the bottom of the car 6; a round hole 10 is formed in one side of the vibration damping base 1, a charging and discharging nozzle 2 is arranged on the buffering air bag 9, and the charging and discharging nozzle 2 is located in the round hole 10; an air bag installation groove is formed in the center of the vibration damping base 1, and the buffering air bag 9 is fixedly arranged in the air bag installation groove through screws; a plurality of groups of inserting grooves 11 corresponding to the support rods 3 are arranged on the vibration damping base 1, the second vibration damping springs 12 are positioned in the inserting grooves 11, and two ends of each second vibration damping spring 12 are fixedly connected with the support rods 3 and the inserting grooves 11 respectively; the surface layers of the buffer rubber ring 7 and the buffer air bag 9 are provided with anticorrosive layers; the buffer rubber ring 7 is of a central structure, and a plurality of groups of vent holes 4 are formed in the surface layer of the buffer rubber ring 7.
According to the elevator car bottom vibration damping device, the first vibration damping spring is positioned at the upper end of the supporting rod and the second vibration damping spring is positioned at the lower end of the supporting rod through the arrangement of the first vibration damping spring and the second vibration damping spring, so that a bidirectional vibration damping effect is achieved; through the arrangement of the buffer rubber ring and the buffer air bag, the buffer rubber ring is positioned between the mounting plate and the lift car, and the buffer air bag is positioned between the vibration damping base and the mounting plate, so that bidirectional buffer vibration damping is realized; through combining multiple damping subassembly and buffering subassembly, realize multiple mode damping, improved the damping effect, make the car can satisfy the damping demand of different loads, improve the stability of elevator operation.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (1)
1. The elevator car bottom vibration damping device is characterized by comprising a structural main body, wherein the structural main body comprises a car and a vibration damping device fixedly arranged at the bottom of the car;
the vibration damping device comprises a mounting plate and a vibration damping base, and a plurality of groups of support rods are arranged on the mounting plate;
a buffer rubber ring is arranged between the mounting plate and the car;
the upper end of the supporting rod is sleeved with a first damping spring, and two ends of the first damping spring are fixedly connected with the lift car and the mounting plate respectively;
the lower end of the supporting rod is provided with a second damping spring which is inserted in the damping base;
a buffering air bag is arranged in the center of the vibration damping base;
the upper end of the supporting rod is fixedly connected with the bottom of the car;
a circular hole is formed in one side of the vibration damping base, and a charging and discharging nozzle is arranged on the buffering air bag and located in the circular hole;
an air bag mounting groove is formed in the center of the vibration damping base, and the buffering air bag is fixedly arranged in the air bag mounting groove through screws;
a plurality of groups of inserting grooves corresponding to the supporting rods are formed in the vibration damping base, the second vibration damping springs are located in the inserting grooves, and two ends of each second vibration damping spring are fixedly connected with the supporting rods and the inserting grooves respectively;
the surface layers of the buffer rubber ring and the buffer air bag are provided with anticorrosive layers;
the buffer rubber ring is of a central structure, and a plurality of groups of vent holes are formed in the surface layer of the buffer rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120524215.9U CN216141091U (en) | 2021-03-12 | 2021-03-12 | Vibration damper at bottom of elevator sedan-chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120524215.9U CN216141091U (en) | 2021-03-12 | 2021-03-12 | Vibration damper at bottom of elevator sedan-chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216141091U true CN216141091U (en) | 2022-03-29 |
Family
ID=80798149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120524215.9U Expired - Fee Related CN216141091U (en) | 2021-03-12 | 2021-03-12 | Vibration damper at bottom of elevator sedan-chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216141091U (en) |
-
2021
- 2021-03-12 CN CN202120524215.9U patent/CN216141091U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |