CN111776074A - Chassis skeleton of vehicle - Google Patents
Chassis skeleton of vehicle Download PDFInfo
- Publication number
- CN111776074A CN111776074A CN202010826761.8A CN202010826761A CN111776074A CN 111776074 A CN111776074 A CN 111776074A CN 202010826761 A CN202010826761 A CN 202010826761A CN 111776074 A CN111776074 A CN 111776074A
- Authority
- CN
- China
- Prior art keywords
- framework
- longitudinal beam
- section
- battery
- beam body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a chassis framework of a vehicle, which relates to the technical field of vehicles and comprises a framework front section, a framework middle section and a framework rear section which are sequentially connected; the middle section of the framework comprises longitudinal beams and cross beams; the front end and the rear end of a longitudinal beam are respectively connected with the front section of the framework and the rear section of the framework; the plurality of cross beams are arranged on two sides of the longitudinal beam at intervals, so that a plurality of battery bins for installing the battery boxes are formed on two sides of the longitudinal beam. The middle section of the framework is provided with only one longitudinal beam, and the longitudinal beam and the cross beams can be assembled into a plurality of battery bins, so that the available space of the middle section of the framework is fully released, all the battery boxes can be highly and intensively arranged on the middle section of the framework, the gravity center of the whole vehicle is effectively reduced, the safety and the operation stability of the whole vehicle are improved, and the core technical support is provided for the design of a full-low floor of the whole vehicle.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a chassis framework of a vehicle.
Background
The urban passenger car can be divided into a first-level step, a second-level step and a third-level step according to the step number of the passenger door steps, wherein the upper passenger door and the lower passenger door can realize the first-level step, and the urban passenger car is called a low-floor urban passenger car. The urban passenger car realizes low floor, can improve the transport efficiency and transport safety, greatly facilitates public trips of people such as the old, the disabled, pregnant women and children, and is an important development direction of the urban passenger car.
Compared with a traditional fuel passenger car or a hybrid power passenger car, the electric passenger car has the advantages of energy conservation and environmental protection, and is the current mainstream passenger car type. Most of existing electric motor coaches cannot completely achieve an in-vehicle all-low floor structure, only can achieve a low floor structure from a front door of a vehicle to a middle door region position, and the main reasons are that the number of power battery packs of the electric motor coaches is large, the occupied space is large, and the arrangement is difficult. At present, although some electric motor coaches are arranged at the top of the frame through the batteries, so that the design of a full-low floor in the motor coach is realized, the arrangement mode has high requirement on the strength of the frame, the gravity center of the motor coach is higher, and the operation stability of the motor coach is influenced.
Therefore, in order to realize the design of the all-low floor, the layout of the power battery pack needs to be reasonably planned and designed, and the high-pressure wire harness, the brake air pipe, the hydraulic oil pipe and other pipelines of the power battery pack need to be comprehensively considered for reasonable layout. However, the original layout of the power battery pack and related pipelines cannot be fundamentally changed based on the framework structure of the existing electric bus. Based on the structure, the vehicle chassis framework with the structure of the full-low floor in the vehicle can be realized through the improved structure optimization.
Disclosure of Invention
The present invention provides a chassis frame for a vehicle, which mainly aims to solve the above problems.
The invention adopts the following technical scheme:
a chassis framework of a vehicle comprises a framework front section, a framework middle section and a framework rear section which are sequentially connected; the middle section of the framework comprises longitudinal beams and cross beams; the front end and the rear end of the longitudinal beam are respectively connected with the framework front section and the framework rear section; the plurality of cross beams are arranged on two sides of the longitudinal beam at intervals, so that a plurality of battery bins for installing battery boxes are formed on two sides of the longitudinal beam.
Furthermore, the longitudinal beam comprises a longitudinal beam body, a cavity for distributing pipelines is formed in the longitudinal beam body along the length direction of the longitudinal beam body, and a plurality of first through holes for the pipelines to pass through are formed in the corresponding positions of the two side walls of the longitudinal beam body in each battery compartment.
Still further, the longitudinal beam also comprises a fixing plate and a support part which is approximately in a T-shaped structure; the longitudinal beam body is of a groove-shaped structure with a downward opening; the openings of the plurality of supporting pieces are upwards and fixedly arranged in the longitudinal beam body; the fixing plate is fixedly arranged between the supporting piece and the longitudinal beam body and is provided with a plurality of second through holes for pipelines to pass through.
Furthermore, the middle section of the framework further comprises mounting beams arranged at the front end and the rear end of the longitudinal beam, one side of each mounting beam is fixedly arranged at the front section or the rear section of the frame, and the middle part of the other side of each mounting beam is provided with a connecting part used for connecting the longitudinal beam.
Furthermore, the battery box is arranged in the battery bin, and a plurality of connecting lugs are fixedly arranged on two sides of the bottom of the battery box; a plurality of the connecting lugs are detachably arranged at the bottom of the cross beam through bolts.
Furthermore, the connecting lugs of two adjacent battery boxes are arranged at the bottom of the same cross beam in a staggered manner.
Furthermore, the cross beam comprises a reinforcing plate and a T-shaped cross beam body, and a plurality of mounting holes for mounting the bolts are formed in the lower side wall of the cross beam body; the reinforcing plate is fixedly arranged between the upper side wall and the lower side wall of the beam body.
Still further, the reinforcing plate is substantially in a wave-shaped structure.
Furthermore, this skeleton middle section still includes the installing support, and the one end of this installing support sets firmly in above-mentioned crossbeam tip, and the other end sets firmly in above-mentioned longeron lateral wall.
Furthermore, the middle section of the framework further comprises sealing plates, and the sealing plates are fixedly arranged at the outer side ends of the two adjacent cross beams.
Compared with the prior art, the invention has the beneficial effects that:
1. the middle section of the framework is provided with only one longitudinal beam, and the longitudinal beam and the cross beams can be assembled into a plurality of battery bins, so that the available space of the middle section of the framework is fully released, all the battery boxes can be highly and intensively arranged on the middle section of the framework, the gravity center of the whole vehicle is effectively reduced, the safety and the operation stability of the whole vehicle are improved, and the core technical support is provided for the design of a full-low floor of the whole vehicle.
2. The longitudinal beam has a simple structure and is ingenious in design, and related pipelines can be intensively and reasonably arranged in the cavity of the longitudinal beam, so that the pipeline arrangement space is saved, convenience is provided for the centralized arrangement of power batteries, and the full-low floor design of the whole vehicle is facilitated.
3. The battery boxes are arranged in the battery bin from bottom to top in a supporting mode, so that the battery boxes are more flexible and convenient to disassemble and assemble, great convenience is provided for later maintenance and overhaul, and the connecting lugs of two adjacent battery boxes are arranged at the bottom of the same cross beam in a staggered mode, so that the utilization space of the bottom of the cross beam body is fully improved, and the battery boxes are provided with fixing points for bearing as many as possible.
4. The battery compartment assemblies such as the cross beam, the mounting bracket, the connecting lug and the sealing plate have simple structures, are flexible to use and convenient to disassemble and assemble, and when the power distribution demand of a vehicle is high and the space of the battery compartment in the middle section of the framework is insufficient, the battery compartment assemblies can be arranged at proper positions of the rear section of the framework, so that a plurality of battery compartments are additionally arranged to facilitate the arrangement of power batteries.
Drawings
Fig. 1 is a schematic structural view of the present invention (not shown).
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a top view of a mid-section of a scaffold according to the present invention.
Fig. 4 is a schematic structural view of the longitudinal beam in the invention.
Fig. 5 is a schematic structural view of a cross beam in the present invention.
Fig. 6 is a schematic structural view of a battery case and a connecting lug according to the present invention.
In the figure: 100. a framework front section; 200. a framework middle section; 201. a battery compartment; 210. a stringer; 211. a stringer body; 212. a fixing plate; 213. a support member; 214. a cavity; 215. a first through hole; 216. a second through hole; 217. a first lightening hole; 220. a cross beam; 221. a beam body; 222. a reinforcing plate; 223. a second lightening hole; 230. mounting a beam; 231. a connecting portion; 240. a battery box; 250. connecting lugs; 251. a bolt; 260. mounting a bracket; 270. closing the plate; 271. a third lightening hole; 300. a rear section of the framework; 310. and (4) a rear bin.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth below in order to provide a thorough understanding of the present invention, but it will be apparent to those skilled in the art that the present invention may be practiced without these details.
Referring to fig. 1 to 6, a chassis frame of a vehicle includes a frame front section 100, a frame middle section 200, and a frame rear section 300, which are sequentially connected; the framework middle section 200 comprises longitudinal beams 210 and cross beams 220; the front end and the rear end of a longitudinal beam 210 are respectively connected with the framework front section 100 and the framework rear section 300; the plurality of cross beams 220 are arranged at intervals on two sides of the longitudinal beam 210, so that a plurality of battery compartments 201 for installing battery boxes 240 are formed on two sides of the longitudinal beam 210. The chassis framework provided by the invention has the greatest innovation point that the middle framework section 200 is provided with only one longitudinal beam 210, and the longitudinal beam 210 can be assembled with a plurality of cross beams 220 into a plurality of battery bins 201, so that the available space of the middle framework section 200 is fully released, all battery boxes 240 can be highly and intensively arranged on the middle framework section 200, the gravity center of the whole vehicle is effectively reduced, the safety and the control stability of the whole vehicle are improved, and the core technical support is provided for the design of a full-low floor of the whole vehicle.
Referring to fig. 1 to 4, specifically, the stringer 210 includes a stringer body 211, the stringer body 211 is provided with a cavity 214 along a length direction thereof for laying a pipeline, and two side walls of the stringer body 211 are provided with a plurality of first through holes 215 for the pipeline to pass through at corresponding positions of each battery compartment 201. The pipelines of the invention comprise high-pressure wire harnesses of batteries, brake air pipes, hydraulic oil pipes and other pipelines. High-voltage wire harnesses of batteries in the battery bins 201 are introduced into the cavity 214 of the longitudinal beam body 211 through the first through holes 215 and then are uniformly collected and connected to the framework rear section 300, and pipelines such as brake air pipes and hydraulic oil pipes are connected with the framework front section 100 and the framework rear section 300 in a penetrating mode in the cavity 214 of the longitudinal beam body 211. Therefore, the invention can intensively and reasonably arrange all pipelines in the longitudinal beam body 211, thereby saving the pipeline arrangement space, providing convenience for the centralized arrangement of power batteries and being beneficial to realizing the full-low floor design of the whole vehicle.
Referring to fig. 1 to 4, more specifically, the longitudinal beam 210 further includes a fixing plate 212 and a support 213 having a substantially T-shaped structure; the longitudinal beam body 211 is of a groove-shaped structure with a downward opening; the support members 213 are fixedly arranged in the longitudinal beam body 211 with openings facing upwards; the fixing plate 212 is fixedly disposed between the supporting member 213 and the longitudinal beam body 211, and the fixing plate 212 is provided with a plurality of second through holes 216 for passing pipelines. The longitudinal beam body 211 adopts a groove-shaped structure, so that the arrangement and the maintenance of pipelines can be facilitated, the material is saved, the self weight of the longitudinal beam body 211 is fully reduced, and the light weight design of a vehicle is realized. The support member 213 is fittingly installed in the longitudinal beam body 211, so that the structural strength of the longitudinal beam body 211 can be effectively improved; the fixing plate 212 is designed to fix the pipeline and also to assist the reinforcing member 213 to improve the structural strength. In addition, a plurality of first lightening holes 217 are formed in the upper end face of the longitudinal beam body, and the first lightening holes 217 can not only further lighten the self weight of the longitudinal beam, but also serve as an access hole so as to be convenient for maintenance of pipelines inside the longitudinal beam body 211.
Referring to fig. 1 to 6, in particular, the beam 220 includes a T-shaped beam body 221, and a lower side wall of the beam body 221 is provided with a plurality of mounting holes for mounting bolts 251; the battery box 240 is installed in the battery compartment 201, and a plurality of connection lugs 250 are fixedly arranged on two sides of the bottom of the battery box 240, and the connection lugs 250 are detachably arranged at the bottom of the cross beam 220 through bolts 251. In order to facilitate the adjustment of the installation angle of the engaging lug 250, the installation hole may be a kidney-shaped hole. In the invention, the battery box 240 is arranged in the battery bin 201 from bottom to top in a supporting manner, so that the battery box 240 is more flexible and convenient to disassemble and assemble, and great convenience is provided for later maintenance and overhaul. In order to increase the utilization space of the bottom of the beam body 221 and make the battery boxes 240 have as many fixing points as possible for bearing, the connecting lugs 241 of two adjacent battery boxes 240 are arranged at the bottom of the same beam 220 in a staggered manner.
Referring to fig. 5, more specifically, in order to sufficiently improve the structural strength of the cross member 220, the cross member 220 is further provided with a reinforcing plate 222, and the reinforcing plate 222 is fixedly disposed between the upper and lower sidewalls of the cross member body 221. As a preferable scheme: the reinforcing plate 222 has a substantially wave-shaped structure, so that the reinforcing plate 222 can better support the beam body 221. In addition, in order to reduce the weight of the cross beam 220 and increase the weight reduction level of the cross beam 220, the cross beam body 221 and the reinforcing plate 222 are provided with a plurality of second lightening holes 223.
Referring to fig. 1 to 3, the middle frame section 200 further includes mounting beams 230 disposed at the front and rear ends of the longitudinal beam 210, one side of the mounting beam 230 is fixedly disposed at the front frame section 100 or the rear frame section 300, and a connecting portion 231 for connecting the longitudinal beam 210 is disposed at the middle portion of the other side. The mounting beam 230 is generally called a T-shaped structure, and two ends of the longitudinal beam 210 are inserted into the connecting portions 231, so that the front and rear sections of the framework can be reliably connected. In order to save materials and fully utilize the space at the two ends of the middle section 200 of the framework, the lower side wall of the mounting beam 230 is also provided with mounting holes and bolts for fixing the connecting lugs 250, so that the cross beam 220 can be replaced to play a role in fixing the battery box.
Referring to fig. 1, 2, 3 and 5, the middle frame section 200 further includes a mounting bracket 260, the mounting bracket 260 is substantially Z-shaped, and one side of the mounting bracket 260 is fixedly disposed at an end of the cross beam 220, and the other side of the mounting bracket is fixedly disposed at a side wall of the longitudinal beam 210. The cross beam 220 can be firmly mounted to the side walls of the longitudinal beam 210 by the mounting bracket 260, thereby effectively improving structural stability.
Referring to fig. 1 to 3, the middle frame section 200 further includes sealing plates 270, and the sealing plates 270 are fixedly disposed at the outer ends of two adjacent cross beams 220. The design of shrouding 270 can not only effectively protect battery box 240 to help improving the structural strength of skeleton middle section 200, fully ensure the structural stability of skeleton middle section 200. Similarly, in order to improve the lightweight design, the sealing plate 270 is provided with a plurality of third lightening holes 271.
Referring to fig. 1 to 3, the front frame section 100 and the rear frame section 300 are each a truss structure formed by welding a plurality of steel pipes, and the rear frame section 300 is provided with a rear bin 310, and the rear bin 310 is used for centrally placing parts such as a controller, a power steering pump, a storage battery, an air compressor, a gas storage cylinder, a cooling device and the like for ensuring the driving and safety of a vehicle. When the demand of the power distribution amount of the vehicle is high and the arrangement space of the middle framework section 200 is insufficient, the battery compartment assemblies which are matched with each other can be arranged on the rear framework section 300, so that a plurality of battery compartments are properly arranged on the rear framework section 300. Those skilled in the art can specifically design the structure of the middle frame section 300 according to the description of the middle frame section 200, and therefore the detailed description thereof is omitted here. In addition, in order to ensure that the design of a horizontal all-low floor from front to back in the vehicle is realized, the power battery in the battery box 240 in the invention is formed by connecting a plurality of short battery cells in series, and the driving scheme of the whole vehicle adopts a distributed driving mode.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (10)
1. A chassis framework of a vehicle comprises a framework front section, a framework middle section and a framework rear section which are sequentially connected; the method is characterized in that: the middle section of the framework comprises longitudinal beams and cross beams; the front end and the rear end of the longitudinal beam are respectively connected with the front framework section and the rear framework section; the plurality of cross beams are arranged on two sides of the longitudinal beam at intervals, so that a plurality of battery bins for installing battery boxes are formed on two sides of the longitudinal beam.
2. The chassis frame for a vehicle according to claim 1, wherein: the longitudinal beam comprises a longitudinal beam body, a cavity for distributing pipelines is formed in the longitudinal beam body along the length direction of the longitudinal beam body, and a plurality of first through holes for the pipelines to pass through are formed in the corresponding positions of the two side walls of the longitudinal beam body in each battery compartment.
3. A vehicle chassis frame according to claim 2, wherein: the fixing plate and the support part which is approximately in a T-shaped structure are also included; the longitudinal beam body is of a groove-shaped structure with a downward opening; the openings of the plurality of supporting pieces are upwards and fixedly arranged in the longitudinal beam body; the fixing plate is fixedly arranged between the supporting piece and the longitudinal beam body and is provided with a plurality of second through holes for pipelines to pass through.
4. The chassis frame for a vehicle according to claim 1, wherein: the frame is characterized by further comprising mounting beams arranged at the front end and the rear end of the longitudinal beam, wherein one side of each mounting beam is fixedly arranged at the front section or the rear section of the frame, and a connecting part used for connecting the longitudinal beam is arranged in the middle of the other side of each mounting beam.
5. The chassis frame for a vehicle according to claim 1, wherein: the battery box is arranged in the battery bin, and a plurality of connecting lugs are fixedly arranged on two sides of the bottom of the battery box; and the connecting lugs are detachably arranged at the bottom of the cross beam through bolts.
6. The chassis frame for a vehicle according to claim 5, wherein: the connecting lugs of two adjacent battery boxes are arranged at the bottom of the same cross beam in a staggered manner.
7. The chassis frame for a vehicle according to claim 5 or 6, wherein: the cross beam comprises a reinforcing plate and a T-shaped cross beam body, and a plurality of mounting holes for mounting the bolts are formed in the lower side wall of the cross beam body; the reinforcing plate is fixedly arranged between the upper side wall and the lower side wall of the beam body.
8. The chassis frame for a vehicle according to claim 7, wherein: the reinforcing plate is of a generally wave-shaped configuration.
9. The chassis frame for a vehicle according to claim 1, wherein: the mounting bracket is characterized by further comprising a mounting bracket, wherein one end of the mounting bracket is fixedly arranged at the end part of the cross beam, and the other end of the mounting bracket is fixedly arranged on the side wall of the longitudinal beam.
10. The chassis frame for a vehicle according to claim 1, wherein: the sealing plates are fixedly arranged at the outer side ends of the two adjacent cross beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010826761.8A CN111776074A (en) | 2020-08-17 | 2020-08-17 | Chassis skeleton of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010826761.8A CN111776074A (en) | 2020-08-17 | 2020-08-17 | Chassis skeleton of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111776074A true CN111776074A (en) | 2020-10-16 |
Family
ID=72762110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010826761.8A Pending CN111776074A (en) | 2020-08-17 | 2020-08-17 | Chassis skeleton of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111776074A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750829A (en) * | 2022-04-01 | 2022-07-15 | 岚图汽车科技有限公司 | Chassis framework, chassis platform and electric vehicle |
| CN115384620A (en) * | 2022-08-23 | 2022-11-25 | 中国重汽集团济南动力有限公司 | Be applied to autopilot pure electric flat plate collection card of harbour transportation |
| WO2023024237A1 (en) * | 2021-08-27 | 2023-03-02 | 浙江中车电车有限公司 | Electric-bus frame |
| CN116552654A (en) * | 2023-07-07 | 2023-08-08 | 威驰腾(福建)汽车有限公司 | Scooter chassis and forming method thereof |
-
2020
- 2020-08-17 CN CN202010826761.8A patent/CN111776074A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023024237A1 (en) * | 2021-08-27 | 2023-03-02 | 浙江中车电车有限公司 | Electric-bus frame |
| CN114750829A (en) * | 2022-04-01 | 2022-07-15 | 岚图汽车科技有限公司 | Chassis framework, chassis platform and electric vehicle |
| CN115384620A (en) * | 2022-08-23 | 2022-11-25 | 中国重汽集团济南动力有限公司 | Be applied to autopilot pure electric flat plate collection card of harbour transportation |
| CN115384620B (en) * | 2022-08-23 | 2024-01-23 | 中国重汽集团济南动力有限公司 | Be applied to pure electronic dull and stereotyped integrated circuit of autopilot of harbour transportation |
| CN116552654A (en) * | 2023-07-07 | 2023-08-08 | 威驰腾(福建)汽车有限公司 | Scooter chassis and forming method thereof |
| CN116552654B (en) * | 2023-07-07 | 2023-09-22 | 威驰腾(福建)汽车有限公司 | Scooter chassis and forming method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111776074A (en) | Chassis skeleton of vehicle | |
| CN201784713U (en) | Installation structure of vehicle seat | |
| CN213138918U (en) | Large-scale electric motor coach | |
| CN110861481A (en) | Battery installation device of electric mining vehicle | |
| CN112158061A (en) | Lower vehicle body arrangement structure of extended range electric vehicle | |
| WO2022257387A1 (en) | Vehicle with modular under-vehicle device integration structure | |
| CN212890584U (en) | Medium-sized electric motor coach | |
| CN110155087A (en) | Railway vehicle gear case, rail vehicle truck and rail vehicle | |
| CN218505646U (en) | Mechanical structure for bearing power battery installed on 50-ton pure electric mining dump truck | |
| CN212667490U (en) | Longitudinal beam of vehicle | |
| CN212667494U (en) | Chassis skeleton of vehicle | |
| CN112026818B (en) | Power pack hanging structure, underframe and railway vehicle | |
| CN216301228U (en) | Chassis framework of new energy low-floor passenger car | |
| CN219544890U (en) | Frame of electric light truck | |
| CN109515152B (en) | Power battery compartment of pure electric vehicle | |
| CN212485448U (en) | Battery compartment assembly of vehicle | |
| CN109291996B (en) | Electric automobile's frame roof beam and electric automobile | |
| CN111469648A (en) | Low-floor pure electric bus | |
| RU172927U1 (en) | DIESEL TRUCK FRAME | |
| CN113799806A (en) | Hydraulic transmission power pack mounting frame for internal combustion motor train unit | |
| CN211641810U (en) | Battery box bracket for electric light truck | |
| CN212073656U (en) | Low-floor pure electric bus | |
| CN109849947B (en) | Urban rail metro vehicle traction inverter mounting device | |
| CN114361685A (en) | Assembled battery pack bracket of hoisting type battery replacing vehicle | |
| CN221126100U (en) | Novel power battery box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |