Shock absorption design structure of elevator car bottom wheel

Abstract

The utility model discloses an elevator car bottom wheel damping design structure which comprises a car bottom wheel assembly which comprises a car bottom wheel, a mounting frame, a connecting plate, a first spring and a first damper, a stud is arranged on the mounting frame and penetrates through the mounting frame and the connecting plate, the two ends of the stud are respectively provided with a first fastening nut, and the first fastening nut is connected with the first spring and the first damper. Supporting plates are arranged at the ends, away from the studs, of the connecting plates, one ends of the first springs are connected with the supporting plates, the other ends of the first springs are connected with the mounting frame, the first shock absorbers are arranged in the first springs, and the car bottom wheels are rotationally connected between the two supporting plates; and one side of the damping assembly is connected with the mounting frame, and the other end of the damping assembly is connected with the bottom of the elevator car. The elevator car bottom wheel can solve the problem that an existing elevator car bottom wheel is poor in damping effect.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a shock-absorbing design structure of an elevator car bottom wheel. Background Art

[0002] An elevator is a permanent transport device serving specific floors within a building, with its car running on at least two rigid tracks perpendicular to the horizontal plane or inclined at an angle of less than 15° to the vertical. The elevator car floor is equipped with pulleys, which are passed over by ropes to lift the car and slide within them to pull it up and down. Uneven force on the ropes during movement can cause vibrations in the pulleys, which in turn cause vibrations in the car, causing passengers to feel uneasy. Therefore, the elevator car floor pulleys are typically equipped with shock-absorbing structures.

[0003] Patent application number 202020368992.4 proposes a double shock-absorbing mechanism for the elevator car bottom wheel, which uses double shock-absorbing pads for shock absorption, but it only uses shock-absorbing pads for shock absorption, and the effect is poor. Utility Model Content

[0004] The purpose of the utility model is to provide a shock-absorbing design structure for an elevator car bottom wheel in order to solve the problem that the shock-absorbing effect of the existing elevator car bottom wheel is poor.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: an elevator car bottom wheel shock absorption design structure, which includes:

[0006] A car bottom wheel assembly, comprising a car bottom wheel, a mounting frame, a connecting plate, a first spring and a first shock absorber, wherein the mounting frame is provided with a stud, the stud passes through the mounting frame and the connecting plate, and first fastening nuts are respectively provided at both ends of the stud, a support plate is provided at one end of the connecting plate away from the stud, one end of the first spring is connected to the support plate, and the other end of the first spring is connected to the mounting frame, the first shock absorber is provided in the first spring, and the car bottom wheel is rotatably connected between the two support plates;

[0007] A shock absorbing assembly, one side of which is connected to the mounting frame, and the other end of which is connected to the bottom of the elevator car.

[0008] As a further description of the above technical solution:

[0009] A rotating shaft is provided on the car bottom wheel, and the rotating shaft passes through the car bottom wheel, the support plate and the connecting plate. Both ends of the rotating shaft are respectively provided with threads, and a second fastening nut is screwed onto the threads of the rotating shaft.

[0010] As a further description of the above technical solution:

[0011] The support plate is an L-shaped plate.

[0012] As a further description of the above technical solution:

[0013] The shock absorbing assembly includes a shock absorbing component and a mounting plate. One end of the shock absorbing component is connected to the elevator car, and the other end of the shock absorbing component is connected to the mounting plate. The mounting plate is connected to the mounting frame.

[0014] As a further description of the above technical solution:

[0015] The shock absorbing component is a shock absorbing pad.

[0016] As a further description of the above technical solution:

[0017] The shock absorbing component includes a plurality of second springs and a plurality of second shock absorbers. The plurality of second springs are arranged in an array. One end of the second spring is connected to the elevator car, and the other end of the second spring is connected to the mounting plate. The second shock absorber is arranged in the second spring.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0019] 1. In the utility model, the car bottom wheel, mounting frame, connecting plate, first spring and first shock absorber are arranged so that after the car bottom wheel is subjected to force, the car bottom wheel can swing up and down with the stud as the fulcrum through the connecting plate, thereby achieving the purpose of buffering by the first spring and achieving the purpose of shock absorption by the first shock absorber. In addition, the first spring and the first shock absorber are cleverly combined with the mounting frame, resulting in a simple structure, small space occupation, and good buffering and shock absorption effect.

[0020] 2. In the present invention, by arranging a shock-absorbing assembly between the mounting frame and the elevator car, the purpose of shock absorption can be achieved again, and combined with the car bottom wheel assembly, the purpose of double weight reduction can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 A schematic diagram of the structure of an elevator car bottom wheel shock absorption design Figure 1 .

[0023] Figure 2The figure is a structural schematic diagram of a car bottom wheel assembly in an elevator car bottom wheel shock absorption design structure.

[0024] Figure 3 A schematic diagram of the structure of an elevator car bottom wheel shock absorption design Figure 2 .

[0025] Legend:

[0026] 1. Car bottom wheel; 2. Mounting frame; 3. Connecting plate; 4. First spring; 5. First shock absorber; 6. Shock-absorbing assembly; 61. Shock-absorbing component; 62. Mounting plate; 7. Stud; 8. First fastening nut; 9. Support plate; 10. Elevator car; 11. Rotating shaft; 12. Second fastening nut. DETAILED DESCRIPTION

[0027] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-3 The utility model provides a technical solution: an elevator car bottom wheel shock absorption design structure, comprising:

[0029] A car bottom wheel assembly includes a car bottom wheel 1, a mounting frame 2, a connecting plate 3, a first spring 4 and a first shock absorber 5. A stud 7 is provided on the mounting frame 2, and the stud 7 passes through the mounting frame 2 and the connecting plate. First fastening nuts 8 are provided at both ends of the stud 7. A support plate 9 is provided at one end of the connecting plate 3 away from the stud 7. One end of the first spring 4 is connected to the support plate 9, and the other end of the first spring 4 is connected to the mounting frame 2. The first shock absorber 5 is provided in the first spring 4, and the car bottom wheel 1 is rotatably connected between the two support plates 9.

[0030] A shock absorbing assembly 6 , one side of which is connected to the mounting frame 2 , and the other end of which is connected to the bottom of the elevator car 10 .

[0031] The car base wheel 1 is provided with a rotating shaft 11, which passes through the car base wheel 1, the support plate 9, and the connecting plate 3. Both ends of the rotating shaft 11 are provided with threads, and a second fastening nut 12 is screwed onto the threads of the rotating shaft 11. The rotating shaft is connected to the support plate via the second fastening nut, and the car base wheel is rotatably connected to the rotating shaft. When the car base wheel is subjected to force, the car base wheel can swing up and down through the connecting plate with the stud as the fulcrum to achieve the purpose of shock absorption.

[0032] The support plate 9 is an L-shaped plate that can cover the connecting plate.

[0033] The shock absorbing assembly 6 includes a shock absorbing component 61 and a mounting plate 62 . One end of the shock absorbing component 61 is connected to the elevator car, and the other end of the shock absorbing component 61 is connected to the mounting plate 62 . The mounting plate 62 is connected to the mounting frame 2 .

[0034] like Figure 3 In one embodiment, the shock absorbing component 61 is a shock absorbing pad.

[0035] like Figure 1 In another embodiment, the shock absorbing component 61 includes a plurality of second springs and a plurality of second shock absorbers, the plurality of second springs are arranged in an array, one end of the second spring is connected to the elevator car 10, the other end of the second spring is connected to the mounting plate 62, and the second shock absorber is arranged in the second spring.

[0036] Working Principle: The car base wheel, mounting frame, connecting plate, first spring, and first shock absorber enable the car base wheel to swing up and down via the connecting plate with the stud as the fulcrum when subjected to force. This is achieved by the first spring providing cushioning, and the first shock absorber providing shock absorption. The first spring and first shock absorber are cleverly integrated with the mounting frame, resulting in a simple structure, compact footprint, and excellent cushioning and shock absorption. A shock-absorbing assembly is provided between the mounting frame and the elevator car to further reduce shock, and combined with the car base wheel assembly, this achieves dual weight reduction.

[0037] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An elevator car bottom wheel shock absorption design structure, characterized in that: include: A car bottom wheel assembly, comprising a car bottom wheel, a mounting frame, a connecting plate, a first spring and a first shock absorber, wherein the mounting frame is provided with a stud, the stud passes through the mounting frame and the connecting plate, and first fastening nuts are respectively provided at both ends of the stud, a support plate is provided at one end of the connecting plate away from the stud, one end of the first spring is connected to the support plate, and the other end of the first spring is connected to the mounting frame, the first shock absorber is provided in the first spring, and the car bottom wheel is rotatably connected between the two support plates; A shock absorbing assembly, one side of which is connected to the mounting frame, and the other end of which is connected to the bottom of the elevator car.

2. The elevator car bottom wheel shock absorption design structure according to claim 1 is characterized in that: A rotating shaft is provided on the car bottom wheel, and the rotating shaft passes through the car bottom wheel, the support plate and the connecting plate. Both ends of the rotating shaft are respectively provided with threads, and a second fastening nut is screwed onto the threads of the rotating shaft.

3. The elevator car bottom wheel shock absorption design structure according to claim 1 is characterized in that: The support plate is an L-shaped plate.

4. The elevator car bottom wheel shock absorption design structure according to claim 1, characterized in that: The shock absorbing assembly includes a shock absorbing component and a mounting plate. One end of the shock absorbing component is connected to the elevator car, and the other end of the shock absorbing component is connected to the mounting plate. The mounting plate is connected to the mounting frame.

5. The elevator car bottom wheel shock absorption design structure according to claim 4 is characterized in that: The shock-absorbing component is a shock-absorbing pad.

6. The elevator car bottom wheel shock absorption design structure according to claim 4, characterized in that: The shock absorbing component includes a plurality of second springs and a plurality of second shock absorbers. The plurality of second springs are arranged in an array. One end of the second spring is connected to the elevator car, and the other end of the second spring is connected to the mounting plate. The second shock absorber is arranged in the second spring.

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