CN217009437U

CN217009437U - Battery pack damping and buffering device for electric commercial vehicle

Info

Publication number: CN217009437U
Application number: CN202220619260.7U
Authority: CN
Inventors: 张玉印; 王喜恩; 张铁立; 张鹏; 王玉强; 章青山; 安冬冬
Original assignee: Anhui Juli Innovation Project Management Co ltd
Current assignee: Anhui Juli Innovation Project Management Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-19
Anticipated expiration: 2032-03-21

Abstract

The utility model relates to the technical field of battery packs of electric commercial vehicles, in particular to a damping and buffering device of a battery pack of an electric commercial vehicle, which comprises a bearing box body, roller damping devices are arranged on two sides of the inner wall of the bottom of the bearing box body, each roller damping device comprises a plurality of roller devices, a plurality of damping devices and supporting steel, the supporting steel is fixed on the inner wall of the bottom of the bearing box body, a plurality of first mounting holes are formed in the outer walls of the two sides of the supporting steel, the top of the support steel is provided with a plurality of mounting holes II, the roller device is arranged in the mounting holes I, the damping device is arranged in the second mounting hole, the roller device comprises a roller, a bearing, a clamp spring and a roller pin shaft, the roller pin shaft is fixedly arranged on the inner walls of the two aligned mounting holes I, the roller device provides a supporting and guiding effect for replacing the battery pack, and the damping device provides a damping effect for replacing the battery pack.

Description

Battery pack damping and buffering device for electric commercial vehicle

Technical Field

The utility model relates to the technical field of battery packs of electric commercial vehicles, in particular to a damping and buffering device for a battery pack of an electric commercial vehicle.

Background

The new energy automobile in China has an extremely high-speed development situation in recent years, and the new energy automobile has become mature in both technology and products, especially in the fields such as batteries and the like, and has the performance of overtaking the performance of foreign advanced enterprises. With the continuous and deep development of electromotion, new concepts and new technologies such as car networking, automatic driving, battery replacement, hydrogen fuel and the like are also broken through, and the new concepts and the new technologies are not only reflected on passenger cars, but also included in the field of commercial vehicles such as trucks and the like.

When the battery pack of the electric commercial vehicle is installed, the vehicle is carried out on a road, the battery pack is easy to shake, and therefore collision is caused, and the battery pack is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a damping and buffering device for a battery pack of an electric commercial vehicle, which aims to solve the problems in the background technology.

The technical scheme of the utility model comprises the following steps: the utility model provides an electronic commercial car battery package shock attenuation buffer, is including bearing the box, gyro wheel damping device is all installed to the bottom inner wall both sides that bear the box, gyro wheel damping device includes a plurality of roller devices, a plurality of damping device and support steel, the support steel is fixed on the bottom inner wall that bears the box, a plurality of mounting holes one have all been seted up to the both sides outer wall of support steel, a plurality of mounting holes two have been seted up at the top of support steel, roller device sets up in mounting hole one, damping device sets up in mounting hole two.

Preferably, the roller device comprises a roller, a bearing, a clamp spring and a roller pin shaft, the roller pin shaft is fixedly installed on the inner walls of the two aligned installation holes I, the bearing is fixed on the outer side wall of the roller pin shaft, and the roller is fixed on the outer side wall of the bearing through the clamp spring.

Preferably, the roller device further comprises a first flat washer, a first spring washer and a first hexagonal nut, one end of the roller pin shaft is connected with the first hexagonal nut through threads, and the first flat washer and the first spring washer are both arranged between the first hexagonal nut and the support steel.

Preferably, the damping device comprises an upper spring seat, a screw, a pressure spring and a lower spring seat, two ends of the pressure spring are respectively sleeved on the outer side wall of the upper spring seat and the outer side wall of the lower spring seat, the screw is installed on the inner wall of the second mounting hole, and the screw penetrates through the bottom of the bearing box body, the top of the upper spring seat and the top of the lower spring seat.

Preferably, the damping device further comprises a second spring washer and a second two hexagonal nuts, the bottom end of the screw is connected with the second hexagonal nut through threads, the second hexagonal nut is located at the bottom of the lower spring seat, and the second spring washer is arranged between the second two hexagonal nuts.

The utility model provides a damping and buffering device for a battery pack of an electric commercial vehicle through improvement, and compared with the prior art, the damping and buffering device has the following improvements and advantages:

the roller damping device comprises a roller device, a damping device and support steel; the roller device reduces friction by using a rolling instead of sliding mode, so that the battery pack is convenient to put in, and if the battery pack shakes during putting, the pressure spring can play a certain buffering action force, so that the vibration amplitude can be effectively reduced; in summary, the roller device provides a supporting and guiding function for replacing the battery pack, and the damping device provides a damping function for replacing the battery pack.

Drawings

The utility model is further explained below with reference to the figures and examples:

FIG. 1 includes a perspective view of a carrying case of the present invention;

FIG. 2 includes a left side view of a partial schematic of the roller damper of the present invention;

FIG. 3 includes a front view of the roller damper assembly of the present invention;

FIG. 4 includes a schematic cross-sectional view of a shock absorbing device of the present invention in a perspective configuration;

figure 5 includes a cross-sectional view structural schematic of the roller assembly of the present invention.

Description of reference numerals:

1. a carrying box body; 2. a roller damping device; 21. a roller device; 211. a roller; 212. a bearing; 213. a clamp spring; 214. a roller pin shaft; 215. a first flat washer; 216. a first spring washer; 217. a first hexagonal nut; 22. a damping device; 221. an upper spring seat; 222. a screw; 223. a pressure spring; 224. a lower spring seat; 225. a second hexagonal nut; 226. a second spring washer; 23. and supporting the steel.

Detailed Description

The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments only include some embodiments of the present invention, and do not include all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a damping and buffering device for a battery pack of an electric commercial vehicle through improvement, and the technical scheme of the damping and buffering device comprises the following components:

as shown in fig. 1-5, an electronic commercial car battery package shock attenuation buffer, including bearing box 1, gyro wheel damping device 2 is all installed to the bottom inner wall both sides of bearing box 1, gyro wheel damping device 2 includes a plurality of gyro wheel devices 21, a plurality of damping device 22 and support steel 23, support steel 23 is fixed on the bottom inner wall of bearing box 1, a plurality of mounting holes one have all been seted up to the both sides outer wall of support steel 23, a plurality of mounting holes two have been seted up at the top of support steel 23, gyro wheel device 21 sets up in mounting hole one, damping device 22 sets up in mounting hole two, the normal cross-section of support steel 23 is that the spill structure and notch set up downwards, be convenient for improve the support intensity of bottom, gyro wheel device 21 provides the support guide effect for changing the battery package, damping device 22 provides the cushioning effect for changing the battery package.

Further, the roller device 21 comprises a roller 211, a bearing 212, a clamp spring 213 and a roller pin shaft 214, the roller pin shaft 214 is fixedly installed on the inner walls of the two aligned installation holes I, the bearing 212 is fixed on the outer side wall of the roller pin shaft 214, the roller 211 is fixed on the outer side wall of the bearing 212 through the clamp spring 213, friction is reduced by using a rolling mode instead of a sliding mode, and meanwhile friction damage to the bottom of the battery pack is also reduced.

Further, the roller device 21 further comprises a first flat washer 215, a first spring washer 216 and a first hexagonal nut 217, one end of the roller pin shaft 214 is connected with the first hexagonal nut 217 through threads, the first flat washer 215 and the first spring washer 216 are both arranged between the first hexagonal nut 217 and the support steel 23, the first spring washer 216 exerts an outward acting force on the first hexagonal nut 217, and therefore friction force at the threaded connection between the first hexagonal nut 217 and the roller pin shaft 214 is increased, the first hexagonal nut 217 is not prone to loosening, and the flat washers are used for increasing friction force between the first spring washer 216 and the support steel 23.

Further, the damping device 22 comprises an upper spring seat 221, a screw 222, a pressure spring 223 and a lower spring seat 224, two ends of the pressure spring 223 are respectively sleeved on the outer side wall of the upper spring seat 221 and the outer side wall of the lower spring seat 224, the screw 222 is installed on the inner wall of the installation hole II, the screw 222 penetrates through the bottom of the bearing box body 1, the top of the upper spring seat 221 and the top of the lower spring seat 224, the pressure spring 223 plays a certain buffering action force, and the vibration amplitude can be effectively reduced.

Further, the damping device 22 further comprises a second spring washer 226 and two second hexagon nuts 225, the bottom end of the screw 222 is connected with the second hexagon nut 225 through threads, the second hexagon nut 225 is located at the bottom of the lower spring seat 224, and the second spring washer 226 is arranged between the two second hexagon nuts 225.

The working principle is as follows: put into the battery package along the case mouth that bears box 1, make the battery package along contact roller device 21 still, because roller device 21 utilizes the roll to replace gliding form to reduce the friction, the battery package of being convenient for like this is put into, if produces when putting into and rocks, pressure spring 223 can play certain buffering effort, can effectively reduce vibration amplitude.

Claims

1. The utility model provides an electronic commercial car battery package shock attenuation buffer, is including bearing box (1), its characterized in that: roller damping device (2) are all installed to the bottom inner wall both sides that bear box (1), roller damping device (2) include a plurality of roller device (21), a plurality of damping device (22) and support steel (23), support steel (23) are fixed on the bottom inner wall that bears box (1), a plurality of mounting holes one have all been seted up to the both sides outer wall of support steel (23), a plurality of mounting holes two have been seted up at the top of support steel (23), roller device (21) set up in mounting hole one, damping device (22) set up in mounting hole two.

2. The electric commercial vehicle battery pack damping and buffering device of claim 1, characterized in that: roller device (21) includes gyro wheel (211), bearing (212), jump ring (213) and roller round pin axle (214), roller round pin axle (214) fixed mounting is on the inner wall of two mounting holes one that aligns, bearing (212) are fixed on the lateral wall of roller round pin axle (214), gyro wheel (211) are fixed on the lateral wall of bearing (212) through jump ring (213).

3. The electric commercial vehicle battery pack damping and buffering device of claim 2, characterized in that: the roller device (21) further comprises a first flat washer (215), a first spring washer (216) and a first hexagon nut (217), one end of the roller pin shaft (214) is connected with the first hexagon nut (217) through threads, and the first flat washer (215) and the first spring washer (216) are both arranged between the first hexagon nut (217) and the support steel (23).

4. The electric commercial vehicle battery pack damping and buffering device of claim 1, characterized in that: the damping device (22) comprises an upper spring seat (221), a screw (222), a pressure spring (223) and a lower spring seat (224), two ends of the pressure spring (223) are respectively sleeved on the outer side wall of the upper spring seat (221) and the outer side wall of the lower spring seat (224), the screw (222) is installed on the inner wall of the second mounting hole, and the screw (222) penetrates through the bottom of the bearing box body (1), the top of the upper spring seat (221) and the top of the lower spring seat (224).

5. The electric commercial vehicle battery pack damping and buffering device of claim 4, characterized in that: the damping device (22) further comprises a second spring washer (226) and a second hexagonal nut (225), the bottom end of the screw (222) is connected with the second hexagonal nut (225) through threads, the second hexagonal nut (225) is located at the bottom of the lower spring seat (224), and the second spring washer (226) is arranged between the second hexagonal nut (225).