CN212373536U - Three stainless steel pure electric motor coach chassis that open door - Google Patents

Three stainless steel pure electric motor coach chassis that open door Download PDF

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Publication number
CN212373536U
CN212373536U CN201922045717.9U CN201922045717U CN212373536U CN 212373536 U CN212373536 U CN 212373536U CN 201922045717 U CN201922045717 U CN 201922045717U CN 212373536 U CN212373536 U CN 212373536U
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China
Prior art keywords
section frame
frame
stainless steel
suspension
transmission shaft
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CN201922045717.9U
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Chinese (zh)
Inventor
高嘉利
杨海
李鸥栩
张迪
包凯亮
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Zhejiang CRRC Electric Vehicle Co Ltd
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Zhejiang CRRC Electric Vehicle Co Ltd
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Abstract

The utility model discloses a three stainless steel pure [ electric ] motor coach chassis that open door belongs to chassis technical field, and it has solved the great, too big and inconvenient problem of going up and down visitor of girder bearing load of current [ electric ] motor coach chassis weight. This pure [ electric ] motor coach chassis of three opening doors includes the frame, suspension, actuating system, a steering system and braking system, it forms to wholly adopt the stainless steel material welding through the frame, guarantee the holistic intensity of frame, the security is high, weight is lighter simultaneously, reduce the energy consumption, divide into five sections according to position and function with the frame is whole again, make its production of being convenient for, the atress is more even, it steps on the frame to be provided with on the three-section frame simultaneously, it can set up three opening to utilize the frame of marking time at automobile body relevant position, the upper and lower trafficability characteristic and the utilization ratio in effective space of passenger train have been improved greatly in three open-ended design, passenger's upper and lower time has been shortened simultaneously, this pure [ electric ] motor coach chassis has makes things convenient for the passenger from top.

Description

Three stainless steel pure electric motor coach chassis that open door
Technical Field
The utility model relates to a passenger train chassis technical field refers in particular to a three stainless steel pure [ electric ] motor coach chassis that open door.
Background
The chassis of the electric car in the prior art is developed by self on the basis of referring to the chassis technology of domestic and foreign oil-powered buses, and generally comprises a suspension system for improving the stability of a car body, a frame for bearing the main weight of the car body, a steering system for controlling the steering of the car, a braking system for braking, a driving system for driving and the like. However, in the prior art, the chassis of the electric car generally adopts a mode that a crossbeam is matched with other auxiliary beams to form a frame, the chassis is integrally heavier, and the frame is generally only provided with two step frames as an inlet and an outlet of the car, so that passengers can get on or off the electric passenger car with longer length very inconveniently.
Disclosure of Invention
The utility model discloses having considered aforementioned problem and having made, utility model's purpose provides a three stainless steel pure [ electric ] motor coach chassis that open door, whole weight is lower, and the whole atress of frame is more even, is provided with three openings simultaneously, passenger about the convenience.
In order to achieve the above object, the utility model provides a three stainless steel pure [ electric ] motor coach chassis that open door, include:
the frame is formed by welding stainless steel materials and comprises a front section frame, a front suspension section frame, a middle section frame, a rear suspension section frame and a tail section frame, wherein the front section frame, the middle section frame and the tail section frame are all provided with a stepping frame at the same side, the level of the stepping frame is lower than that of the front section frame, the middle section frame and the tail section frame, the suspension system comprises a front suspension and a rear suspension, the front suspension is arranged below the front suspension section frame, the rear suspension is arranged below the rear suspension section frame, the drive system comprises a drive motor and a drive wheel, the drive wheel comprises a front wheel and a rear wheel, the front wheel is arranged at two ends of the front suspension, the rear wheel is arranged at two ends of the rear suspension, and the drive motor provides power for the drive wheel, the steering system is arranged above the front end frame, the steering system is connected with the driving wheel, and the braking system is connected with the driving system.
According to the stainless steel pure electric passenger car chassis with three doors, the chassis is characterized in that the front suspension and the rear suspension are both provided with a shock absorber, the front suspension is provided with two air bags, and the rear suspension is provided with four air bags.
According to the three-door stainless steel pure electric passenger car chassis, the two ends of the front suspension and the rear suspension are respectively provided with the movable positioning disc, and the driving wheel is fixed at the two ends of the front suspension and the rear suspension through the positioning discs.
According to the stainless steel pure electric passenger car chassis with three doors, the driving wheel comprises a steel ring and a tire, the steel ring is clamped on the positioning disc, and the tire is sleeved on the steel ring.
According to a three stainless steel pure electric motor coach chassis that open door, a steering system includes steering wheel subassembly, driving medium, two sources power steering pump and steering gear, the driving medium includes first transmission shaft, steering drive shaft and second transmission shaft, first transmission shaft upper end with steering wheel subassembly meets, first transmission shaft with the lower extreme with steering drive shaft one end meets, the steering drive shaft other end with the steering gear meets, second transmission shaft one end with the steering gear meets, the other end with the front suspension meets.
According to the stainless steel pure electric passenger car chassis with the three doors, the double-source power steering pump is connected with the steering transmission shaft, and the joint of the first transmission shaft and the steering transmission shaft is provided with the angle steering gear.
According to the stainless steel pure electric passenger car chassis with three doors, the side of the first transmission shaft is provided with the dust cover.
According to the stainless steel pure electric passenger car chassis with three doors, the driving motor is set as a permanent magnet synchronous motor, and the shell of the driving motor is made of cast aluminum.
According to the three-door stainless steel pure electric passenger car chassis, an electric drive water-cooled motor heat dissipation system is arranged on the drive motor.
According to the three-door stainless steel pure electric bus chassis, one side of the front suspension section frame is connected with the front section frame, the other side of the front suspension section frame is connected with the middle section frame, one side of the rear suspension section frame is connected with the middle section frame, and the other side of the rear suspension section frame is connected with the tail section frame.
The utility model discloses following beneficial effect has:
1. the whole stainless steel material welding that adopts of frame forms, and bulk strength is higher, and the assembly is comparatively convenient.
2. All be provided with on the frame in the front on the back end and step on the frame, the automobile body can cooperate to step on the frame and set up the opening, realizes [ electric ] motor coach's three openings, makes things convenient for passenger's business turn over.
3. The frame sets up to anterior segment frame, front overhang section frame, middle section frame, rear overhang section frame and tail-end section frame, can improve the productivity effect, reduces development cost and cycle, also can expand other series's motorcycle types through the length of adjusting each frame simultaneously.
4. The front suspension and the rear suspension are provided with air bags and shock absorbers, the air bags are arranged 2 and 4 in front of and behind the air bags, and the suspension system meets the necessary load bearing requirement of a passenger car in a peaceful time, so that the front wheels of the vehicle are accurately positioned without head swinging and tire eating.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the steering system of the present invention;
fig. 3 is a schematic view of a partial structure of the suspension and driving wheel of the present invention.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-3, a three-door stainless steel chassis for a pure electric passenger car comprises: the frame 100, the suspension system 200, the actuating system 300, a steering system 400 and a braking system (not labeled in the figure), the frame 100 is formed by welding stainless steel materials, the strength of the stainless steel materials is high, the bearing capacity of the frame 100 can be increased, the frame 100 comprises a front section frame 110, a front suspension section frame 120, a middle section frame 130, a rear suspension section frame 140 and a rear section frame 150, the frame 100 is further modularized integrally, each section of frame can be produced and then assembled, the production efficiency can be greatly improved, the situation that a crossbeam plays the most important supporting role in the traditional mode is avoided, the requirement on the strength of a girder is high, the girder is easy to break, the frame 100 is segmented according to positions and functional modules, the stress is more uniform, and the safety is higher.
The same sides of the front section frame 110, the middle section frame 130 and the tail section frame 150 are all provided with a stepping frame, the horizontal height of the stepping frame is lower than that of the front section frame 110, the middle section frame 130 and the tail section frame 150, the body at the stepping frame can be provided with an opening, the front frame, the middle frame 130 and the rear frame 150 are provided with the step frames, three openings, such as two openings, under the condition that the vehicle body is longer, if a passenger sits on the vehicle body close to the middle section of the vehicle frame 100, the passenger needs to spend more time no matter the passenger goes down from the front end or the tail end, the three openings greatly improve the passing-up and down performance of the passenger vehicle and the utilization rate of the effective space, shorten the time for the passenger to go up and down, the horizontal height of the stepping frame is low, which is equivalent to a step, and the integral height difference between the frame 100 and the ground is two height differences, so that passengers can get on and off conveniently.
Suspension system 200 includes a front suspension 210 and a rear suspension 220, with front suspension 210 disposed below front suspension section frame 120 and rear suspension 220 disposed below rear suspension section frame 140, and with functional modules also taken into account when segmenting frame 100, suspension system 200 provides stability to the chassis system and also adds load-bearing capacity to the chassis system.
The driving system 300 comprises a driving motor 310 and a driving wheel 320, the driving wheel 320 comprises a front wheel 321 and a rear wheel 322, the front wheel 321 is arranged at two ends of the front suspension 210, the rear wheel 322 is arranged at two ends of the rear suspension 220, and the driving motor 310 provides power for the driving wheel 320.
The steering system 400 is connected to the driving wheel 320, and the steering system 400 controls the rotation direction of the driving wheel 320 by controlling the component connected to the driving wheel 320, so as to control the advancing direction of the passenger car.
The brake system is connected to the driving system 300, and the brake system controls the driving system 300 to achieve the braking effect.
The front suspension 210 and the rear suspension 220 are both provided with a shock absorber (not marked in the figure), the front suspension 210 is provided with two air bags (not marked in the figure), the rear suspension 220 is provided with four air bags, and the shock absorbers and the air bags improve the bearing capacity of the front suspension 210 and the rear suspension 220.
The front suspension 210 and the rear suspension 220 are provided with movable positioning discs 230 at two ends, the driving wheel 320 is fixed at two ends of the front suspension 210 and the rear suspension 220 through the positioning discs 230, the positioning discs 230 can rotate, and further the driving wheel 320 can be driven to rotate together.
The driving wheel 320 comprises a steel ring 323 and a tire 324, the steel ring 323 is clamped on the positioning plate 230, the tire 324 is sleeved on the steel ring 323, the steel ring 323 provides support for the tire 324, but the tire 324 is mainly used for providing support for the whole passenger car.
The steering system 400 includes a steering wheel assembly 410, a transmission member 420, a dual-source power steering pump 430 and a steering gear 440, the transmission member 420 includes a first transmission shaft 421, a steering transmission shaft 422 and a second transmission shaft 423, the upper end of the first transmission shaft 421 is connected with the steering wheel assembly 410, the lower end of the first transmission shaft 421 is connected with one end of the steering transmission shaft 422, the other end of the steering transmission shaft 422 is connected with the steering gear 440, one end of the second transmission shaft 423 is connected with the steering gear 440, the other end of the second transmission shaft 423 is connected with the front suspension 210, a driver controls the steering wheel assembly 410, the steering wheel assembly 410 transmits motion to the first transmission shaft 421, the first transmission shaft 421 transmits motion to the steering gear 440, the second transmission shaft 423 is controlled by the steering gear 440 to control the front suspension 210, and finally, the traveling direction of the driving wheel 320 is changed as the driving wheel 320 is.
The dual-source power steering pump 430 is connected with the steering transmission shaft 422, the corner steering device 421a440 is arranged at the joint of the first transmission shaft 421 and the steering transmission shaft 422, and due to the fact that the total weight of the passenger car and the weight of passengers are large, even if a user wants to rotate a steering wheel to control the driving wheel 320 to change the direction under the condition of utilizing a lever principle, the dual-source power steering pump 430 is mainly arranged for saving labor and is easy to operate.
The first transmission shaft 421 has a dust cover 421b at its side, the upper end of the first transmission shaft 421 is connected to the steering wheel assembly 410, and the lower end is connected to the steering transmission shaft 422, but the middle part is exposed to the air, and the dust cover 421b is arranged to isolate the external environment in order to prevent the first transmission shaft 421 from being eroded by air and moisture.
The driving motor 310 is set to be a permanent magnet synchronous motor, the shell of the driving motor 310 is made of cast aluminum, the efficiency of the permanent magnet synchronous motor is high, cast aluminum materials are adopted, and the permanent magnet synchronous motor is small in size and light in weight.
An electric driving water-cooling motor heat dissipation system (not marked in the figure) is arranged on the driving motor 310, and an intelligent control method is adopted to ensure that the motor always operates in a high-temperature calibration area, so that the motor efficiency is improved.
One side of the front suspension section frame is connected with the front section frame 110, the other side is connected with the middle section frame 130, one side of the rear suspension section frame 140 is connected with the middle section frame 130, the other side is connected with the tail section frame 150, namely, the rear side of the front section frame 110 is connected with the front side of the front suspension section frame, the rear side of the front suspension section frame is connected with the front side of the middle section frame 130, the rear side of the middle section frame 130 is connected with the front side of the rear suspension section frame 140, the rear side of the rear suspension section frame 140 is connected with the front side of the tail section frame 150, a mounting interface is arranged at the connection position, and the connection of the frames is realized through.
The utility model provides a pair of three stainless steel pure [ electric ] motor coach chassis that open door, it forms to wholly adopt the welding of stainless steel material through the frame, guarantee the holistic intensity of frame, the security is high, weight is lighter simultaneously, oil consumption reduction, divide into five sections according to position and function with the frame is whole again, make its production of being convenient for, improve production efficiency, the atress is more even, simultaneously at the front segment frame, be provided with on middle section frame and the tail section frame and step on the frame, the frame can set up three opening at the automobile body relevant position of utilizing to step on, the upper and lower trafficability characteristic of passenger train and the utilization ratio in effective space have been improved greatly in three open-ended designs, passenger's last down time has been.
The technical solutions of the present invention have been described in detail with reference to the accompanying drawings, and the described embodiments are used to help understand the ideas of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the claims.

Claims (10)

1. The utility model provides a three stainless steel pure [ electric ] motor coach chassis that open door, its characterized in that includes: the frame is formed by welding stainless steel materials and comprises a front section frame, a front suspension section frame, a middle section frame, a rear suspension section frame and a tail section frame, wherein the front section frame, the middle section frame and the tail section frame are all provided with a stepping frame at the same side, the level of the stepping frame is lower than that of the front section frame, the middle section frame and the tail section frame, the suspension system comprises a front suspension and a rear suspension, the front suspension is arranged below the front suspension section frame, the rear suspension is arranged below the rear suspension section frame, the drive system comprises a drive motor and a drive wheel, the drive wheel comprises a front wheel and a rear wheel, the front wheel is arranged at two ends of the front suspension, the rear wheel is arranged at two ends of the rear suspension, and the drive motor provides power for the drive wheel, the steering system is connected with the driving wheel, and the braking system is connected with the driving system.
2. The chassis of the three-door stainless steel pure electric passenger car according to claim 1, wherein a shock absorber is arranged on each of the front suspension and the rear suspension, two air bags are arranged on the front suspension, and four air bags are arranged on the rear suspension.
3. The three-door stainless steel pure electric passenger car chassis according to claim 2, wherein movable positioning plates are arranged at two ends of the front suspension and the rear suspension, and the driving wheel is fixed at two ends of the front suspension and the rear suspension through the positioning plates.
4. The three-door stainless steel chassis for the pure electric passenger car according to claim 3, wherein the driving wheel comprises a steel ring and a tire, the steel ring is clamped on the positioning plate, and the tire is sleeved on the steel ring.
5. The stainless steel pure electric passenger car chassis with the three doors according to claim 1, wherein the steering system comprises a steering wheel assembly, a transmission part, a dual-source power steering pump and a steering gear, the transmission part comprises a first transmission shaft, a steering transmission shaft and a second transmission shaft, the upper end of the first transmission shaft is connected with the steering wheel assembly, the lower end of the first transmission shaft is connected with one end of the steering transmission shaft, the other end of the steering transmission shaft is connected with the steering gear, one end of the second transmission shaft is connected with the steering gear, and the other end of the second transmission shaft is connected with the front suspension.
6. The stainless steel pure electric passenger car chassis with three doors according to claim 5, wherein the dual-source power steering pump is connected with the steering transmission shaft, and an angle steering gear is arranged at the joint of the first transmission shaft and the steering transmission shaft.
7. The three-door stainless steel pure electric passenger car chassis according to claim 5 or 6, wherein the first transmission shaft is provided with a dust cover at the side.
8. The three-door stainless steel pure electric passenger car chassis according to claim 1, wherein the driving motor is a permanent magnet synchronous motor, and a shell of the driving motor is made of cast aluminum.
9. The three-door stainless steel pure electric passenger car chassis according to claim 8, wherein an electric driving water cooling motor heat dissipation system is arranged on the driving motor.
10. The chassis of the three-door stainless steel pure electric passenger car according to claim 1, wherein one side of the front suspension section frame is connected with the front section frame, the other side of the front suspension section frame is connected with the middle section frame, one side of the rear suspension section frame is connected with the middle section frame, and the other side of the rear suspension section frame is connected with the tail section frame.
CN201922045717.9U 2019-11-22 2019-11-22 Three stainless steel pure electric motor coach chassis that open door Active CN212373536U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922045717.9U CN212373536U (en) 2019-11-22 2019-11-22 Three stainless steel pure electric motor coach chassis that open door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922045717.9U CN212373536U (en) 2019-11-22 2019-11-22 Three stainless steel pure electric motor coach chassis that open door

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Publication Number Publication Date
CN212373536U true CN212373536U (en) 2021-01-19

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CN201922045717.9U Active CN212373536U (en) 2019-11-22 2019-11-22 Three stainless steel pure electric motor coach chassis that open door

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111017051A (en) * 2019-11-22 2020-04-17 浙江中车电车有限公司 Three stainless steel pure electric motor coach chassis that open door

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111017051A (en) * 2019-11-22 2020-04-17 浙江中车电车有限公司 Three stainless steel pure electric motor coach chassis that open door

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