CN213356610U - Elevator damping device - Google Patents
Elevator damping device Download PDFInfo
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- CN213356610U CN213356610U CN202022194448.5U CN202022194448U CN213356610U CN 213356610 U CN213356610 U CN 213356610U CN 202022194448 U CN202022194448 U CN 202022194448U CN 213356610 U CN213356610 U CN 213356610U
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Abstract
The utility model relates to an elevator damping device, which comprises a plurality of groups of first damping components, wherein the first damping components are uniformly distributed between the bottom of a pedal and the bottom of a lift car; the first shock absorption assembly comprises an oil cylinder, a piston rod, a piston and a rebound spring; the oil cylinder is arranged at the bottom of the lift car, and an oil storage cavity is formed in the oil cylinder; the lower end of the piston rod is slidably inserted into an oil storage cavity of the oil cylinder, the lower end of the piston rod is connected with the piston, and the upper end of the piston rod is connected with the bottom of the pedal; the rebound spring is sleeved on the piston rod, and two ends of the rebound spring are respectively connected with the bottom of the pedal and the oil cylinder. When a user enters the elevator, the pedal is extruded under the action of gravity, the pedal drives the piston rod to move downwards, hydraulic oil slowly passes through the piston, the shaking of the pedal is reduced, and a good damping effect is achieved; the piston rod can be assisted to reset by arranging the rebound spring, so that the vibration of the elevator is reduced.
Description
Technical Field
The utility model relates to an elevator shock attenuation technical field especially relates to an elevator damping device.
Background
An elevator is a permanent transport device serving a number of specific floors in a building, the car of which travels on at least two rigid tracks with an angle of inclination of less than 15 ° vertically to the horizontal or plumb line. There are also steps, where the tread plates are mounted on a track for continuous operation, commonly known as escalators or moving walkways. A fixed elevator apparatus serving a predetermined floor. The vertical lift has a car that travels between at least two vertical rows of rigid guide rails or guide rails having an angle of inclination of less than 15 °. The size and the structural form of the car are convenient for passengers to access or load and unload goods. It is customary to refer to elevators as a generic term for vertical traffic in buildings, irrespective of their driving mode. According to the speed, the elevator can be divided into a low-speed elevator (less than 1 m/s), a high-speed elevator (1-2 m/s) and a high-speed elevator (more than 2 m/s).
Present elevator need transport people to certain floor in the use, and the elevator can produce vibrations when specific floor stops to bring dizzy sense for the person of taking, reduce the comfort level of taking the elevator person, probably cause old man or child to fall down when taking simultaneously, based on this, the utility model discloses an elevator sedan-chair is with damping device at the bottom of, with solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at overcoming shortcoming and not enough among the prior art, provide an elevator damping device.
The elevator damping device also comprises a plurality of groups of first damping components, wherein the first damping components are uniformly distributed between the bottom of a pedal and the bottom of a car; the first shock absorption assembly comprises an oil cylinder, a piston rod, a piston and a rebound spring; the oil cylinder is arranged at the bottom of the lift car, and an oil storage cavity is formed in the oil cylinder; the lower end of the piston rod is slidably inserted into an oil storage cavity of the oil cylinder, the lower end of the piston rod is connected with the piston, and the upper end of the piston rod is connected with the bottom of the pedal; the rebound spring is sleeved on the piston rod, and two ends of the rebound spring are respectively connected with the bottom of the pedal and the oil cylinder.
When a user enters the elevator, the elevator damping device extrudes the pedal under the action of gravity, the pedal drives the piston rod to move downwards, hydraulic oil slowly passes through the piston, the shaking of the pedal is reduced, and a good damping effect is achieved; the piston rod can be assisted to reset by arranging the rebound spring, so that the vibration of the elevator is reduced.
Furthermore, a plurality of damping holes are formed in the piston.
The beneficial effect who adopts above-mentioned further scheme is that, through the damping hole, slow down the speed that hydraulic oil passed the piston in the piston motion process, further reduce rocking of footboard, improve the shock attenuation effect.
Further, the first shock absorbing assembly further comprises a gas chamber piston; the air chamber piston is arranged in the cylinder body in a sliding mode and divides the cylinder body into an oil storage cavity and a high-pressure air cavity, damping oil is stored in the oil storage cavity, and high-pressure air is filled in the high-pressure air cavity; the piston is arranged in the oil storage cavity in a sliding mode.
Adopt the beneficial effect of above-mentioned further scheme to be assisted and at the piston removal process gentleness through setting up high-pressure gas and air chamber piston, near linear motion, further reduce rocking of footboard.
Furthermore, a sealing gasket is arranged at the position of the oil cylinder, which is in contact with the piston rod; the sealing washer is sleeved on the piston rod.
Adopt the beneficial effect of above-mentioned further scheme to be, can guarantee the leakproofness of oil cylinder through setting up seal ring.
Further, the shock absorber further comprises a second shock absorption assembly; the second damping assembly comprises a base, a plurality of rubber columns and a plurality of damping springs; the base is arranged at the bottom of the car; the rubber columns and the damping springs are uniformly distributed between the base and the pedal and are connected with the top surface of the base and the bottom surface of the pedal.
Adopt the beneficial effect of above-mentioned further scheme to be, through setting up rubber column and damping spring, can further improve damping device's shock attenuation effect, reduce rocking of elevator footboard.
Further, the shock absorber further comprises a third shock absorption assembly; the third shock absorption assembly is arranged between the second shock absorption assembly and the pedal; the third damping assembly comprises a first connecting plate, a second connecting plate and a plurality of rubber air springs; the first connecting plate is arranged at the bottom of the pedal; the bottom surface of the second connecting plate is connected with the rubber column and the top of the damping spring; the first connecting plate and the second connecting plate are connected through a rubber air spring.
Furthermore, the rubber air spring comprises a plurality of air rings and a plurality of reinforcing steel rings, and the air rings and the reinforcing steel rings are alternately assembled and installed.
The rubber air spring has the beneficial effects that the rubber air spring has a good damping effect; the double-point air spring meets the double points of the metal spring and the air spring, so that the elasticity is more sufficient, the respective defects are made up by mutual combination, the problems of deformation and insufficient pressure resistance are avoided, and the service life of the double-point air spring is greatly prolonged.
Further, the shock absorber further comprises a fourth shock absorption assembly; the fourth damping assembly is arranged between the third damping assembly and the pedal; the fourth damping assembly comprises a third connecting plate, a fourth connecting plate, a plurality of oil cylinders and a plurality of connecting rods; the third connecting plate is arranged at the bottom of the pedal, and the fourth connecting plate is arranged at the top of the first connecting plate; the oil cylinder is horizontally arranged on the fourth connecting plate and is positioned below the corresponding third connecting plate, and the outer end of a hydraulic rod of the oil cylinder is provided with a connecting block; the upper end of each connecting rod is hinged with the third connecting plate, and the lower end of each connecting rod is hinged with one corresponding connecting block; the hydraulic rod is sleeved with a first return spring, and two ends of the first return spring are respectively connected with the connecting block and the cylinder body of the oil cylinder.
The beneficial effect who adopts above-mentioned further scheme is that, when the footboard downstream under the effect of user's gravity, the footboard drives the downstream of third connecting plate, and then connecting rod compression hydro-cylinder to realize the shock attenuation effect.
Further, the fourth damping assembly further comprises a plurality of second return springs; and the second return spring is connected between the third connecting plate and the fourth connecting plate.
Adopt above-mentioned further scheme's beneficial effect be, come the hydro-cylinder through setting up second reset spring and reset, improve the shock attenuation effect.
Further, a cushion pad is arranged at the bottom of the pedal.
Adopt above-mentioned further scheme's beneficial effect to be, through setting up the blotter, improve damping device's buffering effect. Effectively eliminate low frequency vibrations, make elevator car even running, effectively improved passenger's riding comfort.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of an elevator damping device of the present invention;
FIG. 2 is a schematic structural view of a first damper assembly according to the present invention;
FIG. 3 is a schematic structural view of a second damper assembly and a third damper assembly according to the present invention;
fig. 4 is a schematic structural view of a fourth damping assembly according to the present invention.
In the figure: 10. a car; 20. a pedal; 30. a first dampening member; 31. an oil cylinder; 31a, an oil storage chamber; 31b, a high-pressure air cavity; 311. a sealing gasket; 32. a piston rod; 33. a piston; 331. a damping hole; 34. a rebound spring; 35. an air chamber piston; 40. a second dampening member; 41. a base; 42. a rubber column; 43. a damping spring; 50. a third dampening member; 51. a first connecting plate; 52. a second connecting plate; 53. a rubber air spring; 531. an air ring; 532. reinforcing the steel ring; 60. a fourth dampening member; 61. a third connecting plate; 62. a fourth connecting plate; 63. an oil cylinder; 64. a connecting rod; 65. connecting blocks; 66. a first return spring; 67. a second return spring; 70. a cushion pad.
Detailed Description
Referring to fig. 1 to 4, the elevator damping device of the present embodiment includes a car 10, and a pedal 20, a plurality of sets of first damping assemblies 30, second damping assemblies 40, third damping assemblies 50, and fourth damping assemblies 60 disposed in the car 10;
specifically, a cushion pad 70 is arranged at the bottom of the pedal 20;
specifically, the first shock absorption assemblies 30 are uniformly distributed between the bottom of the pedal 20 and the bottom of the car 10; the first damping assembly 30 includes an oil cylinder 31, a piston 33, a rod 32, a piston 33, and a rebound spring 34; the oil cylinder 31 is arranged at the bottom of the cage 10, and an oil storage cavity 31a is arranged in the oil cylinder; the lower end of a rod 32 of a piston 33 is slidably inserted into an oil storage cavity 31a of the oil cylinder 31, the lower end of the rod 32 of the piston 33 is connected with the piston 33, and the upper end of the rod 32 of the piston 33 is connected with the bottom of the pedal 20; the rebound spring 34 is sleeved on the rod 32 of the piston 33, and two ends of the rebound spring 34 are respectively connected with the bottom of the pedal 20 and the oil cylinder 31;
more specifically, the piston 33 is provided with a plurality of damping holes 331;
more specifically, the first shock absorbing assembly 30 further includes a gas chamber piston 3533; the air chamber piston 3533 is arranged in the cylinder in a sliding manner and divides the cylinder into an oil storage chamber 31a and a high-pressure air chamber 31b, damping oil is stored in the oil storage chamber 31a, and high-pressure air is filled in the high-pressure air chamber 31 b; the piston 33 is arranged in the oil storage chamber 31a in a sliding mode;
more specifically, the oil cylinder 31 is provided with a sealing washer 311 at a position where the oil cylinder contacts the rod 32 of the piston 33; the sealing washer 311 is sleeved on the rod 32 of the piston 33;
specifically, the second damping assembly 40 includes a base 41, a plurality of rubber columns 42, and a plurality of damping springs 43; the base 41 is arranged at the bottom of the car 10; the rubber columns 42 and the damping springs 43 are uniformly distributed between the base 41 and the pedal 20 and are connected with the top surface of the base 41 and the bottom surface of the pedal 20;
specifically, the third damping assembly 50 is disposed between the second damping assembly 40 and the pedal 20; the third shock absorption assembly 50 comprises a first connecting plate 51, a second connecting plate 52 and a plurality of rubber air springs 53; the first connecting plate 51 is arranged at the bottom of the pedal 20; the bottom surface of the second connecting plate 52 is connected with the rubber column 42 and the top of the damping spring 43; the first connecting plate 51 is connected with the second connecting plate 52 through a rubber air spring 53;
more specifically, the rubber air spring 53 comprises four air rings 531 and three reinforcing steel rings 532, and the air rings 531 and the reinforcing steel rings 532 are alternately assembled and mounted with each other;
specifically, the fourth damping assembly 60 is disposed between the third damping assembly 50 and the pedal 20; the fourth damping assembly 60 comprises a third connecting plate 61, a fourth connecting plate 62, a plurality of oil cylinders 63 and a plurality of connecting rods 64; the third connecting plate 61 is arranged at the bottom of the pedal 20, and the fourth connecting plate 62 is arranged at the top of the first connecting plate 51; the oil cylinder 63 is horizontally arranged on the fourth connecting plate 62 and is positioned below the corresponding third connecting plate 61, and the outer end of a hydraulic rod of the oil cylinder 63 is provided with a connecting block 65; the upper end of each connecting rod 64 is hinged with the third connecting plate 61, and the lower end of each connecting rod 64 is hinged with one corresponding connecting block 65; a first return spring 66 is sleeved on the hydraulic rod, and two ends of the first return spring 66 are respectively connected with the connecting block 65 and the cylinder body of the oil cylinder 63;
more specifically, the fourth damping assembly 60 further includes a plurality of second return springs 67; the second return spring 67 is connected between the third connecting plate 61 and the fourth connecting plate 62.
The working process of the embodiment:
when a user enters the elevator and in the running process of the elevator, the pedal 20 is extruded under the action of gravity, the pedal 20 drives the piston 33 rod 32 to move downwards, hydraulic oil slowly penetrates through the piston 33, the shaking of the pedal 20 is reduced, and a good damping effect is achieved; meanwhile, the second damping device, the third damping device and the fourth damping device work simultaneously, so that a good damping effect is provided; the rebound spring 34, the damping spring 43, the first return spring 66 and the second return spring 67 are arranged to assist the resetting of each damping device, so that the vibration of the elevator is reduced.
Compared with the prior art, the utility model discloses a set up a plurality of damping device, improve damping device's buffering effect, effectively clear away low frequency vibrations, make elevator car even running, effectively improved the passenger and taken the travelling comfort.
Additionally, the utility model discloses still include following beneficial effect:
through the damping holes, the speed of hydraulic oil passing through the piston is reduced in the movement process of the piston, so that the shaking of the pedal is further reduced, and the damping effect is improved;
the high-pressure gas and the air chamber piston are arranged for assistance, the moving process of the piston is smooth and is close to linear motion, and the shaking of the pedal is further reduced;
the sealing performance of the oil cylinder can be ensured by arranging the sealing washer;
by arranging the rubber columns and the damping springs, the damping effect of the damping device can be further improved, and the shaking of the elevator pedal is reduced;
by arranging the rubber air spring, the damping device has a good damping effect; the dual-purpose spring meets the dual points of the metal spring and the air spring, so that the elasticity is more sufficient, the respective defects are overcome by combining the metal spring and the air spring, the problems of deformation and insufficient pressure resistance are avoided, and the service life of the air spring is greatly prolonged;
when the pedal moves downwards under the action of the gravity of a user, the pedal drives the third connecting plate to move downwards, so that the connecting rod compresses the oil cylinder, and the damping effect is realized;
the oil cylinder is assisted to reset by the second reset spring, and the damping effect is improved.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. The elevator damping device comprises a car and pedals arranged in the car, and is characterized by further comprising a plurality of groups of first damping assemblies, wherein the first damping assemblies are uniformly distributed between the bottoms of the pedals and the bottom of the car; the first shock absorption assembly comprises an oil cylinder, a piston rod, a piston and a rebound spring; the oil cylinder is arranged at the bottom of the lift car, and an oil storage cavity is formed in the oil cylinder; the lower end of the piston rod is slidably inserted into an oil storage cavity of the oil cylinder, the lower end of the piston rod is connected with the piston, and the upper end of the piston rod is connected with the bottom of the pedal; the rebound spring is sleeved on the piston rod, and two ends of the rebound spring are respectively connected with the bottom of the pedal and the oil cylinder.
2. The elevator shock absorbing device of claim 1, wherein the piston is provided with a plurality of damping holes.
3. The elevator shock absorbing device of claim 2, wherein the first shock absorbing assembly further comprises a gas chamber piston; the air chamber piston is arranged in the cylinder body in a sliding mode and divides the cylinder body into an oil storage cavity and a high-pressure air cavity, damping oil is stored in the oil storage cavity, and high-pressure air is filled in the high-pressure air cavity; the piston is arranged in the oil storage cavity in a sliding mode.
4. The elevator shock absorbing device according to claim 3, wherein the oil cylinder is provided with a sealing gasket at a position where the oil cylinder contacts the piston rod; the sealing washer is sleeved on the piston rod.
5. The elevator shock absorbing device of claim 1, further comprising a second shock absorbing assembly; the second damping assembly comprises a base, a plurality of rubber columns and a plurality of damping springs; the base is arranged at the bottom of the car; the rubber columns and the damping springs are uniformly distributed between the base and the pedal and are connected with the top surface of the base and the bottom surface of the pedal.
6. The elevator shock absorbing device of claim 5, further comprising a third shock absorbing assembly; the third shock absorption assembly is arranged between the second shock absorption assembly and the pedal; the third damping assembly comprises a first connecting plate, a second connecting plate and a plurality of rubber air springs; the first connecting plate is arranged at the bottom of the pedal; the bottom surface of the second connecting plate is connected with the rubber column and the top of the damping spring; the first connecting plate and the second connecting plate are connected through a rubber air spring.
7. The elevator shock absorbing device according to claim 6, wherein said rubber air spring comprises a plurality of air rings and a plurality of reinforcing steel rings, and said air rings and said reinforcing steel rings are alternately assembled with each other.
8. The elevator shock absorbing device of claim 7, further comprising a fourth shock absorbing assembly; the fourth damping assembly is arranged between the third damping assembly and the pedal; the fourth damping assembly comprises a third connecting plate, a fourth connecting plate, a plurality of oil cylinders and a plurality of connecting rods; the third connecting plate is arranged at the bottom of the pedal, and the fourth connecting plate is arranged at the top of the first connecting plate; the oil cylinder is horizontally arranged on the fourth connecting plate and is positioned below the corresponding third connecting plate, and the outer end of a hydraulic rod of the oil cylinder is provided with a connecting block; the upper end of each connecting rod is hinged with the third connecting plate, and the lower end of each connecting rod is hinged with one corresponding connecting block; the hydraulic rod is sleeved with a first return spring, and two ends of the first return spring are respectively connected with the connecting block and the cylinder body of the oil cylinder.
9. The elevator shock absorbing device of claim 8, wherein the fourth shock absorbing assembly further comprises a plurality of second return springs; and the second return spring is connected between the third connecting plate and the fourth connecting plate.
10. The elevator shock absorbing device according to any one of claims 1 to 9, wherein a cushion pad is provided on a bottom of the step plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022194448.5U CN213356610U (en) | 2020-09-29 | 2020-09-29 | Elevator damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022194448.5U CN213356610U (en) | 2020-09-29 | 2020-09-29 | Elevator damping device |
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| Publication Number | Publication Date |
|---|---|
| CN213356610U true CN213356610U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022194448.5U Active CN213356610U (en) | 2020-09-29 | 2020-09-29 | Elevator damping device |
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| CN (1) | CN213356610U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024056076A1 (en) * | 2022-09-16 | 2024-03-21 | 青岛海尔电冰箱有限公司 | Refrigerator |
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2020
- 2020-09-29 CN CN202022194448.5U patent/CN213356610U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024056076A1 (en) * | 2022-09-16 | 2024-03-21 | 青岛海尔电冰箱有限公司 | Refrigerator |
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