CN217577918U - Car vibration damper - Google Patents
Car vibration damper Download PDFInfo
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- CN217577918U CN217577918U CN202220495668.8U CN202220495668U CN217577918U CN 217577918 U CN217577918 U CN 217577918U CN 202220495668 U CN202220495668 U CN 202220495668U CN 217577918 U CN217577918 U CN 217577918U
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- car
- damper
- top wheel
- fixedly connected
- vibration
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a car vibration damper, which comprises a car top wheel connecting device, a first car frame connecting plate, a second car frame connecting plate, at least two dampers, an elastic element, a first supporting plate and a second supporting plate; the car top wheel connecting device comprises two car top wheel connecting plates, the upper parts of the car top wheel connecting plates are fixedly connected with the car top wheels, and part of the car top wheels are accommodated between the two car top wheel connecting plates; a first horizontal groove and a second horizontal groove which are parallel up and down are formed in the width direction of the lower part of each car top wheel connecting plate; the first supporting plate is embedded into the first horizontal groove, and the second supporting plate is embedded into the second horizontal groove; the lower part of the damper is fixedly connected with the second support plate, and the upper part of the damper is fixedly connected with the second car frame connecting plate; the upper part of the elastic element is fixedly connected with the first car frame connecting plate, and the lower part of the elastic element is fixedly connected with the first supporting plate; the first car frame connecting plate and the second car frame connecting plate are fixedly connected with the car frame.
Description
Technical Field
The utility model relates to an elevator field, concretely relates to car vibration damper.
Background
The elevator is perpendicularly to the vibration influence take advantage of terraced travelling comfort, and the human body is more sensitive to low frequency vibration, and low frequency vibration can let the passenger feel "rock". Vibration isolation and low-frequency vibration are always difficult problems in engineering practice. In an elevator system consisting of steel wire ropes, a lift car frame, a top wheel and the like, the lift car and the lift car frame vibrate in the same phase, and the bottom rubber cannot play a role in vibration isolation.
In the existing vibration damping device for connecting the car top wheel and the car frame, a common vibration damping structure can only play a certain vibration damping effect on high-frequency vibration, and the vibration damping effect on low-frequency vibration is very weak.
SUMMERY OF THE UTILITY MODEL
In order to solve this technical problem of elimination car low frequency vibration, the utility model provides a car vibration damper includes:
the car top wheel connecting device comprises a car top wheel connecting device, a first car frame connecting plate, a second car frame connecting plate, at least two dampers, an elastic element, a first supporting plate and a second supporting plate;
the car top wheel connecting device comprises two car top wheel connecting plates, the upper parts of the car top wheel connecting plates are fixedly connected with the car top wheels, and part of the car top wheels are accommodated between the two car top wheel connecting plates;
a first horizontal groove and a second horizontal groove which are parallel up and down are formed in the width direction of the lower part of each car top wheel connecting plate;
the first supporting plate is embedded into the first horizontal groove, and the second supporting plate is embedded into the second horizontal groove;
the lower part of the damper is fixedly connected with the second support plate, and the upper part of the damper is fixedly connected with the second car frame connecting plate;
the upper part of the elastic element is fixedly connected with the first car frame connecting plate, and the lower part of the elastic element is fixedly connected with the first supporting plate;
the first car frame connecting plate and the second car frame connecting plate are fixedly connected with the car frame.
Preferably, the elastic element is an air spring.
Preferably, the stiffness of the elastic element is less than 4 x 10 < Lambda > 3kN/m.
Preferably, the damper is a magnetorheological damper.
Preferably, two of the dampers are disposed on both sides of the ceiling wheel connecting device.
Preferably, the two dampers are symmetrically arranged on two sides of the car top wheel connecting device.
Preferably, the car vibration damper further comprises a controller, and the controller adjusts the rigidity of the air spring according to car passenger information collected by the elevator weighing device.
Preferably, the car vibration damping device further comprises a controller and a vibration sensor, and the controller adjusts the damping of the damper according to car vibration signals collected by the vibration sensor.
Preferably, the middle portion of the first support plate is greater than the width of the first horizontal groove in the width direction, and the middle portion of the second support plate is greater than the width of the second horizontal groove in the width direction.
Compared with the prior art, the utility model, can effectively reduce the car perpendicularly to the vibration, further this structure has the function of initiative damping, improves and takes advantage of terraced travelling comfort.
Drawings
Fig. 1 is a schematic structural view of a car vibration damping device according to an embodiment;
FIG. 2 is a schematic structural diagram of a first support plate;
FIG. 3 is a schematic view of a second supporting plate;
FIG. 4 is a schematic structural view of a ceiling wheel connecting plate.
Detailed Description
As shown in fig. 1, the car vibration damping device provided in the present embodiment includes a car top wheel connecting device, a first car frame connecting plate 1, a second car frame connecting plate 2, at least two dampers 3, an elastic element 4, a first supporting plate 5, and a second supporting plate 6;
the car top wheel connecting device comprises two car top wheel connecting plates 7, the upper parts of the car top wheel connecting plates 7 are fixedly connected with car top wheels 20, and part of the car top wheels 20 are accommodated between the two car top wheel connecting plates 7, as shown in figure 4;
a first horizontal groove 71 and a second horizontal groove 72 which are parallel up and down are formed in the width direction of the lower part of each car top wheel connecting plate 7;
the first support plate 5 is embedded in the first horizontal groove 71, and the second support plate 6 is embedded in the second horizontal groove 72;
the lower part of the damper 3 is fixedly connected with a second support plate 6, and the upper part of the damper 3 is fixedly connected with a second car frame connecting plate 2;
the upper part of the elastic element 4 is fixedly connected with the first car frame connecting plate 1, and the lower part of the elastic element 4 is fixedly connected with the first supporting plate 5;
the first car frame connecting plate 1 and the second car frame connecting plate 2 are fixedly connected with the car frame 30.
The fixed connection is preferably bolted.
The damper 3 is exemplarily a cylindrical hydraulic damper, but is not limited to the cylindrical hydraulic damper, and may be a square or other shape, or other dielectric damper, and the preferred damper is a magnetorheological damper, and has a function of actively adjusting damping, improving vibration isolation effect by changing damping magnitude for vibrations of different frequencies, increasing damping for high-frequency vibrations, and reducing damping for low-frequency vibrations.
The car vibration reduction device further comprises a controller and a vibration sensor, and the controller adjusts the damping of the damper according to car vibration signals collected by the vibration sensor.
The elastic element 4 is exemplified by a cylindrical elastic element, but is not limited to a cylinder, and may be a square or other shape, the elastic element 4 may be rubber, a polyurethane pad or other elastic element with a vibration damping function, and preferably, the elastic element is an air spring, which can actively adjust the rigidity to improve the vibration isolation effect of the connection device. Preferably, the stiffness of the elastic element is less than 4 x 10 < Lambda > 3kN/m.
The car vibration damper further comprises a controller, and the controller adjusts the rigidity of the air spring according to car passenger information collected by the elevator weighing device.
Preferably, two dampers 3 are symmetrically arranged on two sides of the car top wheel connecting device, so that the amplitude is prevented from being too large when the excitation frequency is coincided with the resonant frequency.
As shown in fig. 2 and 3, the middle portion of the first support plate 5 is greater than the width of the first horizontal groove 71 in the width direction, and the middle portion of the second support plate 6 is greater than the width of the second horizontal groove 72 in the width direction.
The present invention has been described in detail with reference to the specific embodiments and examples, but these should not be construed as limitations of the present invention. Numerous variations and modifications can be made by those skilled in the art without departing from the principles of the invention, which should also be considered as within the scope of the invention.
Claims (9)
1. A car vibration damping device, comprising:
the car top wheel connecting device comprises a car top wheel connecting device, a first car frame connecting plate, a second car frame connecting plate, at least two dampers, an elastic element, a first supporting plate and a second supporting plate;
the car top wheel connecting device comprises two car top wheel connecting plates, the upper parts of the car top wheel connecting plates are fixedly connected with the car top wheels, and part of the car top wheels are accommodated between the two car top wheel connecting plates;
a first horizontal groove and a second horizontal groove which are parallel up and down are formed in the width direction of the lower part of each car top wheel connecting plate;
the first supporting plate is embedded into the first horizontal groove, and the second supporting plate is embedded into the second horizontal groove;
the lower part of the damper is fixedly connected with the second support plate, and the upper part of the damper is fixedly connected with the second car frame connecting plate;
the upper part of the elastic element is fixedly connected with the first car frame connecting plate, and the lower part of the elastic element is fixedly connected with the first supporting plate;
the first car frame connecting plate and the second car frame connecting plate are fixedly connected with the car frame.
2. A car vibration damper as defined in claim 1, wherein:
the elastic element is an air spring.
3. A car vibration damper as defined in claim 1, wherein:
the rigidity of the elastic element is less than 4 multiplied by 10^3kN/m.
4. A car vibration damper as defined in claim 1, wherein:
the damper is a magnetorheological damper.
5. A car vibration damper as defined in claim 1, wherein:
the two dampers are arranged on two sides of the car top wheel connecting device.
6. A car vibration reducing apparatus as defined in claim 5, wherein:
the two dampers are symmetrically arranged on two sides of the car top wheel connecting device.
7. A car vibration reducing device as defined in claim 2, wherein:
the car vibration damper further comprises a controller, and the controller adjusts the rigidity of the air spring according to car passenger information collected by the elevator weighing device.
8. The car vibration damper according to claim 4, wherein:
the car vibration reduction device further comprises a controller and a vibration sensor, and the controller adjusts the damping of the damper according to car vibration signals collected by the vibration sensor.
9. A car vibration reducing device as defined in claim 1, wherein:
the middle part of the first supporting plate is larger than the width of the first horizontal groove in the width direction, and the middle part of the second supporting plate is larger than the width of the second horizontal groove in the width direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220495668.8U CN217577918U (en) | 2022-03-09 | 2022-03-09 | Car vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220495668.8U CN217577918U (en) | 2022-03-09 | 2022-03-09 | Car vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217577918U true CN217577918U (en) | 2022-10-14 |
Family
ID=83539011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220495668.8U Active CN217577918U (en) | 2022-03-09 | 2022-03-09 | Car vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217577918U (en) |
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2022
- 2022-03-09 CN CN202220495668.8U patent/CN217577918U/en active Active
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