Electric vehicle variable speed driving system with automatic feedback speed regulation
阅读说明:本技术 一种具有自动反馈调速的电动车变速驱动系统 (Electric vehicle variable speed driving system with automatic feedback speed regulation ) 是由 吕浩东 陈杰平 钱志强 于 2020-06-12 设计创作,主要内容包括:本发明提供了一种具有自动反馈调速的电动车变速驱动系统,属于电动车领域。它包括输入轴、连接轴和输出轴,输入轴、连接轴和输出轴平行设置,所述的输入轴和连接轴之间通过两个相互啮合的输入齿轮啮合相连,所述的连接轴上设有若干个沿着连接轴轴向依次设置的档位固齿轮,每一档位固齿轮啮合连接有档位活齿轮,所述的档位活齿轮与输出轴转动连接,且每一档位活齿轮对应一个设置在输出轴上的档位连接机构,所述的档位连接机构与对应的档位活齿轮相连从而带动输出轴转动,每一档位连接机构连接有档位调节机构,在档位调节机构带动下使档位连接机构与对应的档位活齿轮相连或断开,所述的档位调节机构包括与对应的档位连接机构相连的推杆。(The invention provides an electric vehicle variable-speed driving system with automatic feedback speed regulation, and belongs to the field of electric vehicles. It comprises an input shaft, a connecting shaft and an output shaft, wherein the input shaft, the connecting shaft and the output shaft are arranged in parallel, the input shaft and the connecting shaft are meshed and connected through two input gears which are meshed with each other, a plurality of gear fixed gears which are sequentially arranged along the axial direction of the connecting shaft are arranged on the connecting shaft, each gear fixed gear is meshed and connected with a gear loose gear, the gear loose gear is rotationally connected with an output shaft, each gear loose gear corresponds to a gear connecting mechanism arranged on the output shaft, the gear connecting mechanism is connected with the corresponding gear loose gear so as to drive the output shaft to rotate, each gear connecting mechanism is connected with a gear adjusting mechanism, the gear adjusting mechanism is driven to connect or disconnect the gear connecting mechanism and the corresponding gear loose gear, and comprises a push rod connected with the corresponding gear connecting mechanism.)
1. An electric vehicle variable speed driving system with automatic feedback speed regulation comprises an input shaft (10), a connecting shaft (11) and an output shaft (12), wherein the input shaft (10), the connecting shaft (11) and the output shaft (12) are arranged in parallel, the input shaft (10) and the connecting shaft (11) are meshed and connected through two input gears (13) which are meshed with each other, the electric vehicle variable speed driving system is characterized in that a plurality of gear fixing gears (14) are sequentially arranged along the axial direction of the connecting shaft (11) on the connecting shaft (11), each gear fixing gear (14) is meshed and connected with a gear loose gear (15), each gear loose gear (15) is rotatably connected with the output shaft (12), each gear loose gear (15) corresponds to a gear connecting mechanism (16) arranged on the output shaft (12), and the gear connecting mechanisms (16) are connected with the corresponding gear loose gears (15) to drive the output shaft (12) to rotate, each gear connecting mechanism (16) is connected with a gear adjusting mechanism (17), the gear connecting mechanisms (16) are connected with or disconnected from corresponding gear loose gears (15) under the driving of the gear adjusting mechanisms (17), and each gear adjusting mechanism (17) comprises a push rod (18) connected with the corresponding gear connecting mechanism (16).
2. The variable speed driving system with the automatic feedback speed regulation function for the electric vehicle as claimed in claim 1, wherein the gear position adjusting mechanism (17) comprises an adjusting shaft (19), the center line of the adjusting shaft (19) is perpendicular to the center line of the output shaft (12), a convex cake (20) arranged on the adjusting shaft (19) is connected to the end of each push rod (18) far away from the gear position connecting mechanism (16), and the push rods (18) can be connected with the adjusting shaft (19).
3. The variable speed driving system of the electric vehicle with the automatic feedback speed regulation as claimed in claim 2, characterized in that a plurality of convex cakes (20) are sequentially arranged along the axial direction of the adjusting shaft (19) in the axial direction of the adjusting shaft (19); and on the projection of the axial direction of the adjusting shaft (19), a plurality of convex cakes (20) are arranged in sequence at equal intervals along the outer ring of the adjusting shaft (19).
4. The variable speed driving system of the electric vehicle with the automatic feedback speed regulation according to claim 2, characterized in that a circle of sliding groove (21) extending to the adjusting shaft (19) is recessed on the outer ring of each convex cake (20), the cross section of the sliding groove (21) is arc-shaped, and the end of the push rod (18) far away from the gear connecting mechanism (16) is connected with a sliding ball (22) sliding in the corresponding sliding groove (21).
5. The electric vehicle variable-speed drive system with the automatic feedback speed regulation function according to claim 1 is characterized in that the gear connecting mechanism (16) comprises a spline shaft (23) arranged on the output shaft (12), the spline shaft (23) is provided with a spline and is in spline connection with a spline ring (24), the spline ring (24) can be sleeved on the corresponding gear loose gear (15) under the driving of the corresponding gear adjusting mechanism (17) and is in meshed connection with the gear loose gear (15), the outer end face of the spline ring (24) is further rotatably connected with a ferrule (25), and the ferrule (25) is connected with the corresponding push rod (18).
6. The variable speed drive system of the electric vehicle with the automatic feedback speed regulation as claimed in claim 5, characterized in that an engaging ring (26) arranged on the gear loose gear (15) is arranged between the spline ring (24) and the corresponding gear loose gear (15), and the spline ring (24) can be engaged and connected with the corresponding engaging ring (26).
7. The system of claim 6, wherein the outer ring of the meshing ring (26) is provided with a plurality of straight teeth (27) which are arranged in sequence at equal intervals, the end part of each straight tooth (27) close to the corresponding spline ring (24) is provided with a sinking tooth (28), and each sinking tooth (28) is in a tip shape and faces the corresponding spline ring (24).
8. The electric vehicle variable speed driving system with the automatic feedback speed regulation function according to claim 5, characterized in that a spacing rod (29) is connected between the ferrule (25) and the push rod (18), the spacing rod (29) is axially parallel to the adjusting shaft (19), and the length of the spacing rods (29) is different.
9. The variable speed drive system of the electric vehicle with automatic feedback speed regulation according to claim 5, characterized in that a plurality of spline rings (24) from one end to the other end of the output shaft (12) are connected with a plurality of spline rings (24) from one end to the other end of the adjusting shaft (19) in sequence.
10. The variable speed driving system of the electric vehicle with the automatic feedback speed regulation according to claim 5, characterized in that the distance between every two adjacent gear step loose gears (15) is the same, and a gap is formed between the spline shaft (23) and the gear step loose gears (15) at two sides.
Technical Field
The invention belongs to the field of electric vehicles, and particularly relates to an electric vehicle variable speed driving system with automatic feedback speed regulation.
Background
The electric vehicle is a vehicle driven by electric power and powered by electric power. The electric vehicle as a travel tool has the advantages of environmental friendliness, low dependence on petroleum and the like, and is increasingly emphasized in modern society advocating energy conservation.
Since electric vehicles are driven by electric power and the amount of electric power in the electric power device of each electric vehicle is constant, it is necessary to reduce energy consumption as much as possible when shifting gears and to reduce energy consumption when shifting gears at an appropriate speed or traction force in order to increase the number of kilometers that can be traveled. However, most of the devices have complex structures, are not compact enough in space installation, are not smooth enough in gear shifting, are easy to have the phenomenon of power interruption between gear shifting, cause the continuity of the dynamic property of the vehicle body in the driving process, improve the power consumption, and cause the energy waste, thereby improving the battery cost, reducing the driving range, being not beneficial to the energy conservation, and having poor economical efficiency.
Therefore, there is a need for an improved transmission driving system for an electric vehicle, which has a compact and simple structure and is capable of smoothly shifting gears.
For example, chinese patent document discloses a two-gear manual transmission driving system for an electric vehicle [ patent application No.: the transmission comprises a power input shaft, a power output shaft, a fast-gear driving gear, a fast-gear driven gear, a slow-gear driving gear and a slow-gear driven gear, wherein a gear engaging device is arranged between the fast-gear driven gear and the slow-gear driven gear and sleeved on the power output shaft in an axially-sliding circumferential transmission mode. Compared with an automatic gear, a manual gear is tired of city driving; one more clutch link, increased fault point and other disadvantages.
Disclosure of Invention
The invention aims to solve the problems and provides a variable speed driving system with automatic feedback speed regulation for an electric vehicle.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric vehicle variable speed driving system with automatic feedback speed regulation comprises an input shaft, a connecting shaft and an output shaft, the input shaft, the connecting shaft and the output shaft are arranged in parallel, the input shaft and the connecting shaft are meshed and connected through two mutually meshed input gears, the connecting shaft is provided with a plurality of gear fixed gears which are sequentially arranged along the axial direction of the connecting shaft, each gear fixed gear is engaged and connected with a gear loose gear, the gear loose gear is rotationally connected with the output shaft, each gear loose gear corresponds to a gear connecting mechanism arranged on the output shaft, the gear connecting mechanism is connected with the corresponding gear loose gear so as to drive the output shaft to rotate, each gear connecting mechanism is connected with a gear adjusting mechanism, the gear adjusting mechanism is driven to connect or disconnect the gear connecting mechanism and the corresponding gear loose gear, and comprises a push rod connected with the corresponding gear connecting mechanism.
In the above-mentioned electric motor car variable speed drive system with automatic feedback speed governing, gear adjustment mechanism include the regulating spindle, the central line of regulating spindle set up with the central line of output shaft is perpendicular, the end connection that keeps away from gear coupling mechanism of each push rod has the protruding cake that sets up at the regulating spindle, just the push rod can link to each other with the regulating spindle.
In the above-mentioned electric vehicle variable speed drive system with automatic feedback speed regulation, in the axial direction of the regulating shaft, a plurality of convex cakes are arranged in sequence along the axial direction of the regulating shaft; and on the projection of the axial direction of the adjusting shaft, a plurality of convex cakes are arranged in sequence at equal intervals along the outer ring of the adjusting shaft.
In the above-mentioned electric motor car variable speed drive system with automatic feedback speed governing, the outer lane of each protruding cake is sunken to have the round to extend to the spout on the regulating spindle, the cross section of spout personally submit circular-arc, the push rod keep away from the end connection of gear coupling mechanism have the ball that slides in corresponding spout.
In foretell electric motor car variable speed drive system with automatic feedback speed governing, gear coupling mechanism including setting up the integral key shaft on the output shaft, the integral key shaft spline and the splined connection have a spline circle, the spline circle can overlap under the gear adjustment mechanism that corresponds and establish corresponding gear loose gear and be connected with this gear loose gear meshing, the outer terminal surface of spline circle still rotate and be connected with the lasso, the lasso link to each other with the push rod that corresponds.
In the above-mentioned electric vehicle variable speed drive system with automatic feedback speed regulation, an engaging ring arranged on the gear loose gear is arranged between the spline ring and the corresponding gear loose gear, and the spline ring can be engaged with the corresponding engaging ring.
In foretell electric motor car variable speed actuating system with automatic feedback speed governing, the meshing circle outer lane be equipped with the straight-tooth that a plurality of equidistant set gradually, the straight-tooth tip that is close to corresponding spline circle be equipped with and sink into the tooth, the tooth of sinking into be most advanced form, and this most advanced orientation corresponding spline circle.
In the electric vehicle speed change driving system with automatic feedback speed regulation, a distance rod is connected between the ferrule and the push rod, the distance rod and the adjusting shaft are axially arranged in parallel, and the lengths of the distance rods are different.
In the above-mentioned electric motor car variable speed drive system with automatic feedback speed governing, a plurality of spline circle from one end of output shaft to the other end links to each other with a plurality of spline circle from one end of regulating spindle to the other end in proper order.
In the above-mentioned electric vehicle variable speed drive system with automatic feedback speed governing, the distance between every two adjacent gear loose gears is the same, and there is a clearance between the spline shaft and the gear loose gears on both sides.
Compared with the prior art, the invention has the advantages that:
1. the gear connecting mechanism is connected with the corresponding gear loose gear so as to drive the output shaft to rotate, each gear connecting mechanism is connected with a gear adjusting mechanism, and the gear connecting mechanisms are connected with or disconnected from the corresponding gear loose gears under the driving of the gear adjusting mechanisms. The gear adjusting mechanism can automatically adjust gears.
2. A plurality of convex cakes are sequentially arranged along the axial direction of the adjusting shaft in the axial direction of the adjusting shaft; and on the projection of the axial direction of the adjusting shaft, a plurality of convex cakes are arranged in sequence at equal intervals along the outer ring of the adjusting shaft. When one of the convex cakes is connected with the corresponding push rod, the rest push rods are connected with the adjusting shaft, only one gear loose gear is connected with the corresponding gear connecting mechanism during each work or speed change, and along with the rotation of the adjusting shaft, the plurality of spline rings can be connected with the corresponding gear loose gear in sequence, so that the gears gradually rise or fall.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of another orientation of the adjustment axis;
FIG. 3 is a schematic view of the connection of the chute to the slider;
fig. 4 is a schematic structural view of the spur teeth and the recessed teeth on the meshing ring.
In the figure: the gear shifting mechanism comprises an
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-4, an electric vehicle speed-changing driving system with automatic feedback speed regulation comprises an
In the invention, when the gearbox works, an input shaft rotates under the work of a rotating motor, a connecting
The
In the present invention, each
In addition, the adjusting
In the axial direction of the adjusting
In the present invention, when one of the
The outer ring of each
In the present invention, the
The
In the present invention, in the process that the
And an
In order to improve the transmission efficiency and reduce the wear of the gears, the gear
The outer ring of the
In the invention, in the process that the
A
In the present invention, each of the
The plurality of spline rings 24 from one end to the other end of the
In the invention, along with the rotation of the adjusting
The distance between every two adjacent gear position
The working principle of the invention is as follows: the input shaft rotates under the work of the rotating motor, the connecting
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 or ambit of the invention as defined in the appended claims.
Although the
- 上一篇:一种医用注射器针头装配设备
- 下一篇:变速传动装置、动力装置、汽车和聚合驱动装置