CN214217860U - Vibration damper at bottom of elevator sedan-chair - Google Patents
Vibration damper at bottom of elevator sedan-chair Download PDFInfo
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- CN214217860U CN214217860U CN202120156879.4U CN202120156879U CN214217860U CN 214217860 U CN214217860 U CN 214217860U CN 202120156879 U CN202120156879 U CN 202120156879U CN 214217860 U CN214217860 U CN 214217860U
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- damping spring
- car
- elevator
- outer tube
- backup pad
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- 238000013016 damping Methods 0.000 claims abstract description 116
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 27
- 230000035939 shock Effects 0.000 abstract description 10
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 210000003813 thumb Anatomy 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Abstract
The application relates to a damping device at bottom of elevator sedan-chair, it includes vertical a plurality of telescopic links of fixing at the car lower surface, one side that a plurality of telescopic links deviate from the car is fixed with a backup pad that is used for installing at the bottom of the sedan-chair jointly, is provided with a plurality of vertical main damping spring between car and the backup pad, main damping spring's both ends respectively with car and backup pad butt. This application has reinforcing shock attenuation effect, improves the effect of taking the elevator comfort level.
Description
Technical Field
The application relates to the technical field of elevators, in particular to an elevator car bottom vibration damping device.
Background
The problem of vibration in elevator systems has been a technical problem in elevator manufacturing, and isolating or absorbing vibration energy to improve the ride comfort of the car has been the direction of technological improvement.
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.
At present, the damping at the bottom of the elevator car is realized by directly installing the rubber block between the car and the car bottom, and the deformation quantity of the rubber block is limited, so that the damping effect is poor, and particularly, the damping of the rubber block is realized by the high-speed running elevator, such as the elevator in a high building, the running speed is high, and the requirement is difficult to achieve by the damping of the rubber block.
SUMMERY OF THE UTILITY MODEL
In order to strengthen the shock attenuation effect, improve the comfort level of taking the elevator, this application provides a damping device at bottom of elevator sedan-chair.
The application provides a damping device at bottom of elevator sedan-chair adopts following technical scheme:
the utility model provides a damping device at bottom of elevator sedan-chair, includes vertical a plurality of telescopic links of fixing at the car lower surface, and one side that a plurality of telescopic links deviate from the car is fixed with a backup pad that is used for installing at the bottom of the sedan-chair jointly, is provided with a plurality of vertical main damping spring between car and the backup pad, main damping spring's both ends respectively with car and backup pad butt.
Through adopting above-mentioned technical scheme, when the elevator was in the well up-down operation, the effect of the ascending resilience of main damping spring will play the shock attenuation effect, and a plurality of main damping spring's arranging, make the shock attenuation effect more reliable and stable to avoid leading to the shock attenuation effect lower because of the elasticity of block rubber is not enough, thereby improve the comfort level that people used the elevator.
Optionally, a limiting circular tube is fixed on the opposite side walls of the car and the support plate corresponding to each main damping spring, and two ends of each main damping spring are respectively clamped in the corresponding two limiting circular tubes.
By adopting the technical scheme and the arrangement of the limiting circular tube, the main damping spring has a guiding effect on the main damping spring when being compressed, and the stability of the main damping spring when being compressed is improved; and the staff can deviate from the spacing pipe with main damping spring further compression to both ends, dismantles main damping spring and changes for new main damping spring to avoid main damping spring to weaken because of long-time use elasticity, keep the better operating condition of damping device.
Optionally, each set of the telescopic rod is provided with an auxiliary damping spring, and when the telescopic rod is shortened, the bottom end of the auxiliary damping spring is in contact with the upper surface of the support plate and is compressed.
Through adopting above-mentioned technical scheme, when main damping spring lasts the compression, supplementary damping spring can contact and compressed with the backup pad, and then plays further shock attenuation effect.
Optionally, the telescopic link includes the outer tube with car lower surface mounting and inserts the interior pole of being connected that slides with the outer tube in the outer tube, and interior pole is fixed with the backup pad towards the one end of backup pad, and the external screw thread has been seted up to the outer peripheral face of outer tube, and supplementary damping spring's top is fixed with a limiting plate with outer tube threaded connection.
Through adopting above-mentioned technical scheme, when main damping spring elasticity weakens, the staff also can twist the limiting plate downwards soon, makes supplementary damping spring more closely apart from the backup pad at the beginning to keep holistic damping performance, avoided directly changing the material waste that brings main damping spring.
Optionally, a tightening screw is connected to the circumferential surface of the limiting plate in a threaded manner, and the end of the tightening screw penetrates into the limiting plate and is abutted against the outer circumferential surface of the outer tube.
Through adopting above-mentioned technical scheme, the top is arranged of screw tightly, has reduced limiting plate and outer tube relative screw thread gliding possibility, has improved fixed stability.
Optionally, the jacking screw is a thumb screw.
By adopting the technical scheme, due to the arrangement of the thumb screws, the thumb screws can be manually screwed by workers for operation, and the use of tools is reduced so as to improve the working efficiency.
Optionally, a ring plate is fixed at the bottom end of the auxiliary damping spring, the ring plate is sleeved on the inner rod of the telescopic rod, and the inner diameter of the ring plate is larger than the outer diameter of the outer tube.
Through adopting above-mentioned technical scheme, increased the active area of supplementary damping spring and backup pad, made the more even share of supplementary damping spring's elastic action in the backup pad.
Optionally, an elastic pad is attached to the lower surface of the ring plate.
Through adopting above-mentioned technical scheme, the elastic action of cushion not only plays certain cushioning effect, also can avoid the rigid contact of crown plate and backup pad simultaneously, the production of noise abatement.
Optionally, a guide angle is formed on an outer edge of the bottom end of the outer tube.
Through adopting above-mentioned technical scheme, the guide effect of guide angle has avoided the outer tube lower surface to the slip hindrance of crown plate, has improved the stability of operation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the comfort level of people using the elevator is improved, the damping effect can be achieved through the upward rebounding effect of the main damping springs, and the damping effect is more reliable and stable due to the arrangement of the plurality of main damping springs, so that the situation that the damping effect is lower due to the insufficient elasticity of the rubber blocks is avoided;
2. the better working state of the damping device is kept, and the main damping spring has a guiding effect on the main damping spring when being compressed through the arrangement of the limiting circular tube, so that the stability of the main damping spring when being compressed is improved; the main damping spring can be further compressed by workers until the two ends of the main damping spring are separated from the limiting circular tube, and the main damping spring is disassembled and replaced by a new main damping spring so as to avoid the elasticity of the main damping spring from weakening due to long-time use;
3. play further shock attenuation effect, contact and compressed through supplementary damping spring and backup pad, make further quilt of vibrations weaken, and the staff also can twist the limiting plate downwards soon, make supplementary damping spring apart from the backup pad nearer when initial to keep holistic damping performance, avoided directly changing the material waste that brings with main damping spring.
Drawings
FIG. 1 is a schematic view of the entire structure of a vibration damping device according to an embodiment of the present application;
FIG. 2 is a schematic structural view embodying a first shock absorbing assembly;
FIG. 3 is an enlarged schematic view of portion A of FIG. 1, showing the structure of a second shock absorbing assembly.
Description of reference numerals: 1. a car; 2. a telescopic rod; 21. an outer tube; 211. an external thread; 212. a guide angle; 22. an inner rod; 3. a support plate; 31. a through hole; 4. a first dampening member; 41. a main damping spring; 42. a limiting circular tube; 5. a second dampening member; 51. a limiting plate; 52. an auxiliary damping spring; 53. a ring plate; 54. an elastic pad; 55. butterfly screw.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a damping device at bottom of elevator sedan-chair. Referring to fig. 1, the damping device includes vertically fixes four telescopic links 2 at car 1 lower surface, four telescopic links 2 are close to the four corners department of car 1 lower surface respectively, telescopic link 2 includes outer tube 21 with car 1 lower surface mounting and slides the interior pole 22 of being connected with outer tube 21, the bottom of four interior poles 22 is fixed with the backup pad 3 of a rectangle jointly, four corners department of backup pad 3 upper surface respectively has seted up a through-hole 31 and has been used for wearing the bolt and fix at the bottom of the car, be provided with a damping component 4 between car 1 and the backup pad 3, and lie in first damping component and still be provided with a second damping component 5 outward between car 1 and the backup pad 3.
Referring to fig. 2, the first damping assembly 4 includes four vertical main damping springs 41 arranged between the car 1 and the support plate 3, the four damping springs are distributed in a rectangular shape, a position corresponding to each main damping spring 41 is fixed on the opposite surfaces of the car 1 and the support plate 3, two ends of each main damping spring 41 are respectively inserted into the two corresponding limiting circular tubes 42, so that two ends of each main damping spring 41 are respectively abutted against the car 1 and the support plate 3, when the elevator runs up and down in the hoistway, damping is performed through the upward springback effect of the four main damping springs, the damping effect is reliable, so that the situation that the damping effect is low due to insufficient elasticity of rubber blocks is avoided, and the comfort level of people using the elevator is improved; the arrangement of spacing pipe 42 has certain guide effect to main damping spring 41, stability when improving main damping spring 41 compression, and when main damping spring 41 weakens because of long-time use elasticity, the staff only need will correspond main damping spring 41 further compression, deviate from spacing pipe 42 to main damping spring 41's both ends, later can change main damping spring 41 for new main damping spring 41 to keep the better operating condition of damping device.
Referring to fig. 3, the outer tube 21 of the telescopic rod 2 is provided with external threads 211, the second damping assembly 5 includes a limiting plate 51 coaxially sleeved and screwed on each outer tube 21, an auxiliary damping spring 52 is fixed on the lower surface of the limiting plate 51 and coaxially sleeved on the outer tube 21, an annular ring plate 53 is coaxially fixed at the bottom end of the auxiliary damping spring 52 to increase the acting area of the auxiliary damping spring 52 and the support plate 3, so that the stress is more uniform, and when the telescopic rod 2 is in the longest extension state due to the elastic action of the main damping spring 41, a gap is left between the ring plate 53 and the support plate 3, the ring plate 53 is sleeved on the inner rod 22 of the telescopic rod 2 and the inner diameter of the ring plate 53 is larger than the outer diameter of the outer tube 21, so that the ring plate 53 can slide relative to the outer tube 21 and the inner rod 22 of the telescopic rod 2; the outer edge of the bottom end of the outer tube 21 is also provided with a guide angle 212, so that the ring plate 53 is sleeved on the outer tube 21 in a sliding manner, and the ring plate 53 is prevented from being difficult to move upwards due to the shielding of the lower surface of the outer tube 21 on the ring plate 53; in addition, an elastic pad 54 is further attached to one side of the ring plate 53 facing the support plate 3, and under the elastic action of the elastic pad 54, the ring plate 53 is prevented from being in rigid contact with the support plate 3, so that noise is reduced, and a certain buffering effect is achieved.
When the main damping spring 41 is compressed, the support plate 3 and the lower surface of the annular plate 53 are in contact with each other, and as the support plate 3 and the car 1 are continuously close to each other, the auxiliary damping spring 52 is compressed at the same time, and the mutual cooperation of the auxiliary damping spring and the main damping spring 41 further improves the damping effect on the car 1; and when main damping spring 41's elasticity weakens, the staff can twist limiting plate 51 soon and make limiting plate 51 downstream to adjust the interval between crown plate 53 and the backup pad 3, and then make whole damping device keep better shock attenuation effect, avoided directly changing the wasting of resources that brings main damping spring 41, played resources are saved's effect.
Referring to fig. 3, in order to reduce the possibility of the limiting plate 51 and the outer tube 21 from sliding in a threaded manner, a thumb screw 55 is further connected to the outer circumferential surface of the limiting plate 51 in a threaded manner, and an end of the thumb screw 55 penetrates into an inner ring of the limiting plate 51 and abuts against the outer circumferential surface of the outer tube 21, so as to reduce the possibility of the limiting plate 51 and the outer tube 21 from sliding in a threaded manner.
The implementation principle of the elevator car bottom vibration damper in the embodiment of the application is as follows: when the elevator runs up and down in the hoistway, the main damping spring rebounds upwards and the auxiliary damping spring 52 and the elastic cushion 54 act together to damp, so that the damping effect is reliable, the main damping spring 41 is convenient to replace, each damping part is stressed little independently, and the service life of the whole elevator is prolonged.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a damping device at bottom of elevator sedan-chair which characterized in that: including vertical a plurality of telescopic links (2) of fixing at car (1) lower surface, one side that a plurality of telescopic links (2) deviate from car (1) is fixed with one jointly and is used for installing backup pad (3) on the sedan-chair bottom, is provided with a plurality of vertical main damping spring (41) between car (1) and backup pad (3), the both ends of main damping spring (41) respectively with car (1) and backup pad (3) butt.
2. The elevator car platform vibration damping device according to claim 1, characterized in that: correspond every main damping spring (41) department on the relative lateral wall of car (1) and backup pad (3) and respectively be fixed with a spacing pipe (42), every the both ends card of main damping spring (41) are established in two spacing pipes (42) that correspond respectively.
3. The elevator car platform vibration damping device according to claim 1, characterized in that: each telescopic link (2) is provided with an auxiliary damping spring (52) in a sleeved mode, and when the telescopic link (2) is shortened, the bottom end of each auxiliary damping spring (52) is in contact with the upper surface of the support plate (3) and is compressed.
4. The elevator car platform vibration damping device according to claim 3, characterized in that: telescopic link (2) including with car (1) lower fixed surface's outer tube (21) and insert interior pole (22) of sliding with outer tube (21) and being connected in outer tube (21), pole (22) are fixed with backup pad (3) towards the one end of backup pad (3), and external screw thread (211) have been seted up to the outer peripheral face of outer tube (21), and the top of supplementary damping spring (52) is fixed with one limiting plate (51) with outer tube (21) threaded connection.
5. The elevator car platform vibration damping device according to claim 4, characterized in that: the circumferential surface of the limiting plate (51) is in threaded connection with a jacking screw, and the end part of the jacking screw penetrates into the limiting plate (51) and is mutually abutted against the outer circumferential surface of the outer pipe (21).
6. The elevator car platform vibration damping device according to claim 5, characterized in that: the jacking screw is a butterfly screw (55).
7. The elevator car platform vibration damping device according to claim 4, characterized in that: the bottom end of the auxiliary damping spring (52) is fixedly provided with a ring plate (53), the ring plate (53) is sleeved on the inner rod (22) of the telescopic rod (2), and the inner diameter of the ring plate (53) is larger than the outer diameter of the outer tube (21).
8. The elevator platform vibration damping device of claim 7, wherein: an elastic pad (54) is attached to the lower surface of the ring plate (53).
9. The elevator platform vibration damping device of claim 7, wherein: and a guide angle (212) is arranged on the outer edge of the bottom end of the outer tube (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120156879.4U CN214217860U (en) | 2021-01-20 | 2021-01-20 | Vibration damper at bottom of elevator sedan-chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120156879.4U CN214217860U (en) | 2021-01-20 | 2021-01-20 | Vibration damper at bottom of elevator sedan-chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214217860U true CN214217860U (en) | 2021-09-17 |
Family
ID=77690302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120156879.4U Expired - Fee Related CN214217860U (en) | 2021-01-20 | 2021-01-20 | Vibration damper at bottom of elevator sedan-chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214217860U (en) |
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2021
- 2021-01-20 CN CN202120156879.4U patent/CN214217860U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210917 |