Passenger elevator damping device
By installing multi-layer sound insulation and shock absorption components on the outside of the passenger elevator car, the problem of noise and vibration transmission in the passenger elevator is solved, and a quieter and more comfortable riding environment is achieved.
Patent Information
- Application Number
- CN202422174657.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-09-05
AI Technical Summary
The noise and vibration generated by passenger elevators during the lifting process have adverse effects on passengers, and existing technologies are difficult to effectively reduce the spread of noise and vibration.
Side wall shock-absorbing components and outer edge shock-absorbing components are set on the outside of the passenger elevator car. The components are composed of a profile frame, damping sound insulation felt, first and second sound insulation plates, keel brackets and rubber shock-absorbing plates to form a multi-layer sound insulation and shock-absorbing structure.
It effectively blocks the mechanical noise and aerodynamic noise during elevator operation, reduces the outward spread of noise, absorbs and reduces vibration energy, and improves riding comfort.
Smart Images
Figure CN223433120U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of passenger lift, concretely is a passenger lift damping device. BACKGROUND
[0002] The working principle of passenger lift is mainly based on the following key parts: traction system: usually composed of traction machine (including motor, brake, speed reducer, etc.), traction steel wire rope, guide wheel and counter pulley; the motor drives the traction wheel to rotate through the speed reducer, thereby relying on the friction between the traction steel wire rope and the traction wheel to pull the car and the counterweight to move up and down; car system: the car is the space for passengers to ride, composed of car frame and car body; the car frame is used to support the car body and runs along the guide rail through the guide shoe to ensure the smooth movement of the car in the vertical direction; door system: including car door and landing door; when the elevator reaches the designated floor, the door machine drives the door to open or close through the transmission mechanism to ensure the safety of passengers; for example, some advanced passenger lift door systems are equipped with light curtain protection devices that will automatically reopen when an object is detected;
[0003] The main reason for the noise and vibration of passenger lift during lifting is the operation of the traction machine, bearing wear, meshing of the worm gear and worm, and vibration and friction noise generated during the guide rail working process, which causes vibration and friction noise when the car runs, and the vibration and friction noise is transmitted to the interior of the passenger lift, causing adverse effects on the passengers inside the shell, SUMMARY
[0004] The utility model aims at providing a passenger lift damping device to solve the defects mentioned in the background.
[0005] To achieve the above purpose, a passenger lift damping device is provided, which comprises a passenger lift car, the outer surface of the passenger lift car is uniformly provided with a side wall damping component, and the outer surface of the side wall damping component is covered with a plurality of outer edge damping components; the outer edge damping component comprises a profile frame fixedly connected to the outer surface of the side wall damping component, and a damping sound insulation felt is inserted into the profile frame; the side wall damping component comprises a first sound insulation sheet covering the outer surface of the passenger lift car, the outer surface of the first sound insulation sheet is covered with a keel support, the surface of the keel support is bonded with a rubber damping sheet, and the outer surface of the rubber damping sheet is bonded with a second sound insulation sheet.
[0006] Preferably, five groups of outer edge damping components are uniformly arranged on the two side walls and the back plate of the passenger lift car, and the distance between adjacent two groups of outer edge damping components is consistent.
[0007] Preferably, the profile frame is arranged in a "U" shape, and the thickness of the damping sound insulation felt inside the profile frame is 1.5 cm.
[0008] Preferably, the first sound insulation sheet and the second sound insulation sheet are both polyester fiber sound-absorbing panels, and the thickness of the first sound insulation sheet and the second sound insulation sheet are both 5 mm.
[0009] Preferably, the keel support is a grid-shaped structure made of metal material, and a filling sponge is provided in the opening on the surface of the keel support.
[0010] Preferably, the surface of the second sound insulation sheet is covered with a decorative panel, and the first sound insulation sheet, keel bracket, filling sponge, rubber shock-absorbing sheet, second sound insulation sheet and decorative panel are arranged in layers from the inside to the outside on the outer wall surface of the passenger elevator car.
[0011] Compared with the prior art, the beneficial effects of the present invention are:
[0012] 1. Multiple groups of outer edge shock-absorbing components are evenly arranged on the outside of the passenger elevator car. The outer edge shock-absorbing components are composed of a profile frame and damping sound insulation felt. They can effectively block the mechanical noise and aerodynamic noise generated by the operation of the elevator, making the elevator environment quieter.
[0013] 2. When the passenger elevator car is raised or lowered, the ambient noise generated can be damped and soundproofed by the outer edge damping components and side wall damping components installed on the outside of the passenger elevator car; reducing the outward propagation of noise generated during the operation of the passenger elevator; better absorbing and reducing the vibration energy during the operation of the passenger elevator, reducing the transmission of vibration through the building structure; providing a longer-term sound insulation and shock absorption effect; and improving the comfort of passengers inside the passenger elevator car. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a front view schematic diagram of the structure of the utility model;
[0015] Figure 2 for Figure 1 Bottom view of
[0016] Figure 3 for Figure 1 A top view of
[0017] Figure 4 Schematic diagram of the side wall shock absorption assembly.
[0018] Numbers in the figure: 1. Passenger elevator car; 2. Outer edge shock-absorbing assembly; 21. Profile frame; 22. Damping sound insulation felt; 3. Side wall shock-absorbing assembly; 31. First sound insulation sheet; 32. Keel bracket; 33. Filling sponge; 34. Rubber shock-absorbing sheet; 35. Second sound insulation sheet; 36. Decorative panel. DETAILED DESCRIPTION
[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0020] Please refer to Figures 1-4 The utility model provides a passenger elevator damping device, including passenger elevator car 1, the outside surface of passenger elevator car 1 evenly sets up and covers side wall damping component 3, and the outside surface of side wall damping component 3 covers multiple groups of outer edge damping component 2, and outer edge damping component 2 includes the section bar frame 21 of fixed connection in the outside surface of side wall damping component 3, and the inside of section bar frame 21 inserts the damping sound insulation felt 22, side wall damping component 3 includes the first sound insulation sheet 31 of covering in the outside surface of passenger elevator car 1, and the outside of first sound insulation sheet 31 covers keel support 32, while the surface of keel support 32 is bonded and fixed rubber shock absorber sheet 34, and the outside of rubber shock absorber sheet 34 is bonded and fixed second sound insulation sheet 35.
[0021] Working principle: when passenger elevator car 1 is lifted in the elevator shaft through the traction motor, the environmental noise generated can be damped and soundproofed by the outer edge damping component 2 and the side wall damping component 3 arranged on the outside of the passenger elevator car 1; reduce the noise generated during the operation of the passenger elevator and spread outside; better absorb and reduce the vibration energy during the operation of the passenger elevator, reduce the transmission of vibration through the building structure; provide longer soundproofing and damping effect; improve the comfort of the passengers inside the passenger elevator car 1.
[0022] As a preferred embodiment, five groups of outer edge damping components 2 are evenly arranged on the two side walls and the back plate of the passenger elevator car 1, and the distance between adjacent two groups of outer edge damping components 2 is consistent.
[0023] The outer edge damping component 2 is evenly arranged on the outside of the passenger elevator car 1, and the outer edge damping component 2 is composed of a section bar frame 21 and a damping sound insulation felt 22; it can effectively block the mechanical noise and aerodynamic noise generated during the operation of the elevator, making the environment around the elevator more quiet.
[0024] As a preferred embodiment, the section bar frame 21 is arranged in a "U" shape, and the thickness of the damping sound insulation felt 22 inside the section bar frame 21 is 1.5 cm.
[0025] The first sound insulation sheet 31 and the second sound insulation sheet 35 are both polyester fiber sound absorption boards, and the thickness of the first sound insulation sheet 31 and the second sound insulation sheet 35 is 5 mm.
[0026] As a preferable embodiment, the keel support 32 is a grid-shaped structure made of metal material, and the sponge 33 is arranged in the surface opening of the keel support 32.
[0027] The surface of the second sound insulation sheet 35 is covered by the decorative panel 36, and the first sound insulation sheet 31, the keel support 32, the sponge 33, the rubber shock-absorbing sheet 34, the second sound insulation sheet 35 and the decorative panel 36 are sequentially arranged in layers from inside to outside on the surface of the outer wall of the passenger elevator car 1.
[0028] The side wall shock-absorbing assembly 3 comprises the first sound insulation sheet 31, the keel support 32, the sponge 33, the rubber shock-absorbing sheet 34, the second sound insulation sheet 35 and the decorative panel 36; the side wall shock-absorbing assembly 3 is a composite material, the first sound insulation sheet 31 and the second sound insulation sheet 35 are combined to form a double sound insulation barrier, which reduces the decibel of external noise entering the passenger elevator car 1 and improves the quietness of the passenger elevator car 1 when being ridden; the sponge 33 is filled in the interior of the keel support 32, when sound propagates to the sponge 33 and the keel support 32, the sound energy will be consumed and scattered in the pores of the sponge 33, thereby reducing the propagation of sound and playing a certain sound insulation role; the elasticity of the sponge 33 can also absorb part of the vibration energy, reduce the transmission of vibration and achieve the effect of shock absorption.
[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A passenger elevator shock absorbing device, comprising a passenger elevator car (1), characterized in that: The outer surface of the passenger elevator car (1) is evenly provided with a side wall shock absorbing assembly (3), and the outer surface of the side wall shock absorbing assembly (3) is covered with multiple groups of outer edge shock absorbing assemblies (2), the outer edge shock absorbing assembly (2) includes a profile frame (21) fixedly connected to the outer surface of the side wall shock absorbing assembly (3), and the damping sound insulation felt (22) is inserted into the interior of the profile frame (21); the side wall shock absorbing assembly (3) includes a first sound insulation sheet (31) covering the outer surface of the passenger elevator car (1), and the outer side of the first sound insulation sheet (31) covers a keel bracket (32), and at the same time, a rubber shock absorbing sheet (34) is bonded and fixed to the surface of the keel bracket (32), and a second sound insulation sheet (35) is bonded and fixed to the outer side of the rubber shock absorbing sheet (34).
2. A passenger elevator shock absorbing device according to claim 1, characterized in that: Five groups of outer edge shock absorbing components (2) are evenly arranged on the two side walls and the back plate of the passenger elevator car (1), and the distance between two adjacent groups of outer edge shock absorbing components (2) is consistent.
3. The passenger elevator shock absorption device according to claim 1, characterized in that: The cross section of the profile frame (21) is U-shaped, and the thickness of the damping sound insulation felt (22) inside the profile frame (21) is 1.5 cm.
4. The passenger elevator shock absorption device according to claim 1, characterized in that: The first sound insulation sheet (31) and the second sound insulation sheet (35) are both polyester fiber sound-absorbing panels, and the thickness of the first sound insulation sheet (31) and the second sound insulation sheet (35) are both 5 mm.
5. The passenger elevator shock absorption device according to claim 1, characterized in that: The keel support (32) is a grid-shaped structure made of metal material, and a filling sponge (33) is provided in an opening on the surface of the keel support (32).
6. The passenger elevator shock absorption device according to claim 1, characterized in that: The surface of the second sound insulation sheet (35) is covered with a decorative panel (36), and the first sound insulation sheet (31), the keel bracket (32), the filling sponge (33), the rubber shock-absorbing sheet (34), the second sound insulation sheet (35) and the decorative panel (36) are sequentially arranged in layers from the inside to the outside on the outer wall surface of the passenger elevator car (1).