Damping structure of equipment compartment
By introducing multi-layered shock absorption devices and a shock-absorbing cabin structure made of aluminum honeycomb material into the equipment compartment, the shock absorption problem of the rail vehicle equipment compartment was solved, achieving protection and life extension of important components.
Patent Information
- Application Number
- CN202423108246.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-16
AI Technical Summary
The existing equipment compartments of rail vehicles have poor vibration damping, which leads to a shortened lifespan of important components under high-speed vibration, increasing replacement and usage costs.
The structure includes a top plate, a bottom plate, and a shock-absorbing chamber. It utilizes first, second, and third shock-absorbing devices to achieve multi-layer shock absorption through air rubber shock absorbers and support rods. The shock-absorbing chamber is made of aluminum honeycomb material to enhance the shock absorption effect.
It effectively reduces vibration damage to critical components inside the equipment compartment, extends component life, reduces maintenance costs, and provides further protection from the housing.
Smart Images
Figure CN223609195U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of equipment cabin of traffic rail vehicle, in particular to a kind of shock-absorbing structure of equipment cabin. BACKGROUND
[0002] At present, the substantial promotion of domestic trunk railway, urban light rail traffic operation speed, puts forward higher design standard to vehicle light weight and safe operation performance. The existing rail vehicle is generally provided with equipment cabin at underbeam, to assist line slot, line pipe and other under-vehicle equipment in the closed space inside the equipment cabin, to avoid the damage of stone strike, freezing and other components in the process of high-speed operation. When vehicle is running at high speed, strong vibration will be generated, and the equipment cabin is located at the bottom of the vehicle, and there are important components such as driving system, braking system and air conditioning system inside, which are relatively fragile. The existing equipment cabin bottom plate generally has general damping effect, and strong vibration will shorten the service life of these important components, which need to be replaced after damage, increasing the use cost.
[0003] The aluminum honeycomb is an aluminum alloy composite plate, and the whole processing process of the aluminum honeycomb plate is completed in a modern factory. The aluminum honeycomb plate is formed by brazing. Due to the high heat conduction value between the aluminum skin and the honeycomb, the thermal expansion and cold contraction of the inner and outer aluminum skins are synchronized. There are small holes in the aluminum skin, so that the gas in the plate can flow freely. The slidable mounting buckle system will not cause structural deformation during thermal expansion and cold contraction. UTILITY MODEL CONTENTS
[0004] The utility model provides a kind of shock-absorbing structure of equipment cabin, solve the shock-absorbing problem of the equipment cabin of rail traffic vehicle, its technical scheme is as follows:
[0005] A kind of shock-absorbing structure of equipment cabin, including roof, bottom plate and shock-absorbing cabin, the shock-absorbing cabin is located in the space between roof and bottom plate;The roof and bottom plate are fixedly connected by first shock-absorbing device, the top of roof and shock-absorbing cabin is fixedly connected by second shock-absorbing device, the bottom of shock-absorbing cabin and bottom plate is fixedly connected by third shock-absorbing device, and the retractable length of first shock-absorbing device is less than the sum of the retractable length of second shock-absorbing device and third shock-absorbing device.
[0006] The first shock-absorbing device includes first support rod, first limit plate and first air rubber shock absorber, the top of first support rod is fixedly connected with roof, and the bottom is fixedly connected with first limit plate, the other end of first limit plate is fixedly connected with the top of first air rubber shock absorber, and the bottom of first air rubber shock absorber is fixedly installed on bottom plate.
[0007] The top of the first air rubber shock absorber is provided with a first limiting through hole, which is matched with the diameter of the first supporting rod and is smaller than the diameter of the first limiting plate, so as to prevent the first limiting plate from being separated from the air rubber shock absorber.
[0008] The second shock absorbing device comprises a second supporting rod, a second limiting plate and a second air rubber shock absorber, the top of the second supporting rod is fixedly connected with the top of the shock absorbing cabin, the bottom is fixedly connected with the second limiting plate, the other end of the second limiting plate is fixedly connected with the top of the second air rubber shock absorber, and the bottom of the second air rubber shock absorber is fixedly connected with the top plate.
[0009] The top of the second air rubber shock absorber is provided with a second limiting through hole, which is matched with the diameter of the second supporting rod and is smaller than the diameter of the second limiting plate, so as to prevent the second limiting plate from being separated from the air rubber shock absorber.
[0010] The third shock absorbing device comprises a third supporting rod, a third limiting plate and a third air rubber shock absorber, the top of the third supporting rod is fixedly connected with the bottom of the shock absorbing cabin, the bottom is fixedly connected with the third limiting plate, the other end of the third limiting plate is fixedly connected with the top of the third air rubber shock absorber, and the bottom of the third air rubber shock absorber is fixedly connected with the bottom plate.
[0011] The top of the third air rubber shock absorber is provided with a third limiting through hole, which is matched with the diameter of the third supporting rod and is smaller than the diameter of the third limiting plate, so as to prevent the third limiting plate from being separated from the air rubber shock absorber.
[0012] The retractable length refers to the length change of the shock absorbing device at both ends when retraction is performed.
[0013] The shock absorbing cabin is provided with a through hole for line entry.
[0014] The shock absorbing cabin is made of aluminum honeycomb material.
[0015] The shock absorbing structure of the equipment cabin has better shock absorbing effect through the design of the shock absorbing cabin structure, and the utility model has the following advantages: (1) important components such as a driving system, a braking system and an air conditioning system can be installed in the shock absorbing cabin, so as to reduce damage caused by vibration; (2) the cabin body of the shock absorbing cabin forms a protective shell, and further protection is realized. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the shock absorbing structure of the equipment cabin. DETAILED DESCRIPTION
[0017] As Figure 1As shown, the shock-absorbing structure of the equipment cabin includes a top plate 1, a bottom plate 2, and a shock-absorbing cabin 8 located in the space between the top plate 1 and the bottom plate 2; the top plate 1 and the bottom plate 2 are fixedly connected by a first shock-absorbing device, the top plate 1 and the top of the shock-absorbing cabin 8 are fixedly connected by a second shock-absorbing device, the bottom of the shock-absorbing cabin 8 and the bottom plate 2 are fixedly connected by a third shock-absorbing device, and the retractable length of the first shock-absorbing device is less than the sum of the retractable lengths of the second shock-absorbing device and the third shock-absorbing device.
[0018] The first shock-absorbing device includes a first support rod 3, a first limiting plate 4, and a first air-rubber shock absorber 5, the top of the first support rod 3 is fixedly connected with the top plate 1, the bottom is fixedly connected with the first limiting plate 4, the other end of the first limiting plate 4 is fixedly connected with the top of the first air-rubber shock absorber 5, and the bottom of the first air-rubber shock absorber 5 is fixedly installed on the bottom plate 2. The top of the first air-rubber shock absorber 5 is provided with a first limiting through hole, the diameter of the first limiting through hole matches the diameter of the first support rod 3, and when the first support rod 3 moves downward and the first limiting plate 4 extrudes the first air-rubber shock absorber 5, the first air-rubber shock absorber 5 releases a counterforce to support the first limiting plate 4, achieving the purpose of shock absorption.
[0019] Further, the second shock-absorbing device and the third shock-absorbing device have the same structure as the first shock-absorbing device. The top of the shock-absorbing cabin 8 is fixedly connected with the top plate 1 by a plurality of groups of second shock-absorbing devices, and the bottom is fixedly connected with the bottom plate 2 by a plurality of groups of third shock-absorbing devices.
[0020] The second shock-absorbing device includes a second support rod 6, a second limiting plate 7, and a second air-rubber shock absorber, the top of the second support rod 6 is fixedly connected with the top of the shock-absorbing cabin 8, the bottom is fixedly connected with the second limiting plate 7, the other end of the second limiting plate 7 is fixedly connected with the top of the second air-rubber shock absorber, and the bottom of the second air-rubber shock absorber is fixedly connected with the top plate 1. The top of the second air-rubber shock absorber is provided with a second limiting through hole, the diameter of the second limiting through hole matches the diameter of the second support rod 6, and when the second air-rubber shock absorber moves downward, the second support rod 6 extrudes the second air-rubber shock absorber through the second limiting plate 7, the second air-rubber shock absorber releases a counterforce to support the second limiting plate 7, achieving the purpose of shock absorption.
[0021] The third damping device comprises a third supporting rod 11, a third limiting plate and a third air rubber shock absorber, the top of the third supporting rod 11 is fixedly connected with the bottom of the damping cabin 8, the bottom is fixedly connected with the third limiting plate, the other end of the third limiting plate is fixedly connected with the top of the third air rubber shock absorber, and the bottom of the third air rubber shock absorber is fixedly connected with the bottom plate 2. The top of the third air rubber shock absorber is provided with a third limiting through hole matched with the diameter of the third supporting rod 11, when the third supporting rod 11 moves downward and the third air rubber shock absorber is pressed by the third limiting plate, the third air rubber shock absorber releases a counterforce to support the third limiting plate 11, and the damping purpose is achieved.
[0022] When the length of the first damping device changes most, it is regarded as the retractable length, and the retractable length is L1, and the retractable lengths of the second damping device and the third damping device are L2 and L3 respectively, and the L1 is less than the L2+L3, so that the damping cabin 8 is prevented from being damaged by the second damping device and the third damping device.
[0023] The bottom platform 9 of the damping cabin 8 is used for mounting other equipment, and the side is provided with a through hole 10 for the in-out of lines.
[0024] Further, the damping cabin 8 adopts aluminum honeycomb material, is convenient for welding, has good damping and noise reduction effect, is beneficial to damping of internal equipment components, and is light in weight and easy to move.
[0025] The utility model has the advantages of (1) important parts such as drive system, brake system and air conditioning system can be installed in the damping cabin, and damage caused by vibration is reduced; (2) the cabin body of the damping cabin forms a protective shell, and further protection is realized.
Claims
1. A shock absorbing structure of a device compartment, characterized by: The application relates to a shock-absorbing cabin, which comprises a top plate, a bottom plate and a shock-absorbing cabin located in the space between the top plate and the bottom plate; the top plate and the bottom plate are fixedly connected through a first shock-absorbing device; the top of the top plate and the shock-absorbing cabin are fixedly connected through a second shock-absorbing device; the bottom of the shock-absorbing cabin and the bottom plate are fixedly connected through a third shock-absorbing device; and the retractable length of the first shock-absorbing device is smaller than the sum of the retractable lengths of the second shock-absorbing device and the third shock-absorbing device.
2. The shock absorbing structure of the equipment bay according to claim 1, characterized in that: The first shock-absorbing device comprises a first supporting rod, a first limiting plate and a first air-rubber shock absorber; the top of the first supporting rod is fixedly connected with the top plate, and the bottom is fixedly connected with the first limiting plate; the other end of the first limiting plate is fixedly connected with the top of the first air-rubber shock absorber; and the bottom of the first air-rubber shock absorber is fixedly installed on the bottom plate.
3. The shock absorbing structure of the equipment bay according to claim 2, characterized in that: The top of the first air-rubber shock absorber is provided with a first limiting through hole which is matched with the diameter of the first supporting rod and is smaller than the diameter of the first limiting plate, so as to prevent the first limiting plate from being separated from the air-rubber shock absorber.
4. The shock absorbing structure of the equipment bay according to claim 1, characterized in that: The second shock-absorbing device comprises a second supporting rod, a second limiting plate and a second air-rubber shock absorber; the top of the second supporting rod is fixedly connected with the top of the shock-absorbing cabin, and the bottom is fixedly connected with the second limiting plate; the other end of the second limiting plate is fixedly connected with the top of the second air-rubber shock absorber; and the bottom of the second air-rubber shock absorber is fixedly connected with the top plate.
5. The shock absorbing structure of the equipment bay according to claim 4, characterized in that: The top of the second air-rubber shock absorber is provided with a second limiting through hole which is matched with the diameter of the second supporting rod and is smaller than the diameter of the second limiting plate, so as to prevent the second limiting plate from being separated from the air-rubber shock absorber.
6. The shock absorbing structure of the equipment bay according to claim 1, characterized in that: The third shock-absorbing device comprises a third supporting rod, a third limiting plate and a third air-rubber shock absorber; the top of the third supporting rod is fixedly connected with the bottom of the shock-absorbing cabin, and the bottom is fixedly connected with the third limiting plate; the other end of the third limiting plate is fixedly connected with the top of the third air-rubber shock absorber; and the bottom of the third air-rubber shock absorber is fixedly connected with the bottom plate.
7. The shock absorbing structure of the equipment bay according to claim 6, characterized in that: The top of the third air-rubber shock absorber is provided with a third limiting through hole which is matched with the diameter of the third supporting rod and is smaller than the diameter of the third limiting plate, so as to prevent the third limiting plate from being separated from the air-rubber shock absorber.
8. The shock absorbing structure of the equipment bay according to claim 1, characterized in that: The retractable length refers to the changeable length of the shock-absorbing device at the time of contraction.
9. The shock absorbing structure of the equipment bay according to claim 1, characterized in that: The shock-absorbing cabin is provided with a through hole for the entry of a line.
10. The shock absorbing structure of the equipment bay according to claim 1, characterized in that: The shock-absorbing cabin is made of aluminum honeycomb material.