阅读说明：本技术 电磁变速器 (Electromagnetic speed variator ) 是由 潘弟华 于 2020-07-23 设计创作，主要内容包括：本发明提供的电磁变速器,包括输入轴、动力输出轴、多个电磁变速机构和弹簧片,电磁变速机构包括第一齿轮副、第二齿轮副、啮合套、第一电吸盘和第二电吸盘,所述第一齿轮副和第二齿轮副均由常啮合的主动齿轮和从动齿轮组成,啮合套可自由滑动地套设在输入轴上,第一齿轮副的主动齿轮啮合第一电吸盘套设在输入轴的一端,第二齿轮副的主动齿轮啮合第二电吸盘套设在输入轴另一端,第一电吸盘和第二电吸盘上分别设置有弹簧片与啮合套相抵,第一齿轮副的从动齿轮和第二齿轮副的从动齿轮均固定套设在动力输出轴上。该电磁变速器能实现汽车变速过程中行驶的平稳性,且变速控制灵敏、响应速度快,操作方便,结构新颖,空间占据小,适合推广。(The invention provides an electromagnetic speed changer which comprises an input shaft, a power output shaft, a plurality of electromagnetic speed changing mechanisms and spring pieces, wherein each electromagnetic speed changing mechanism comprises a first gear pair, a second gear pair, a meshing sleeve, a first electric sucker and a second electric sucker, the first gear pair and the second gear pair are respectively composed of a driving gear and a driven gear which are normally meshed, the meshing sleeve is freely and slidably sleeved on the input shaft, the driving gear of the first gear pair is meshed with the first electric sucker and sleeved at one end of the input shaft, the driving gear of the second gear pair is meshed with the second electric sucker and sleeved at the other end of the input shaft, the first electric sucker and the second electric sucker are respectively provided with the spring pieces which are abutted against the meshing sleeve, and the driven gear of the first gear pair and the driven gear of the second gear pair are fixedly sleeved on the power output shaft. The electromagnetic transmission can realize the driving stability of the automobile in the speed change process, is sensitive in speed change control, high in response speed, convenient to operate, novel in structure and small in space occupation, and is suitable for popularization.)

1. The electromagnetic transmission comprises an input shaft and a power output shaft and is characterized by further comprising a plurality of electromagnetic speed change mechanisms, wherein each electromagnetic speed change mechanism comprises a first gear pair, a second gear pair, a meshing sleeve, a first electric sucker and a second electric sucker, the first gear pair and the second gear pair respectively comprise a driving gear and a driven gear which are normally meshed, the meshing sleeve can be freely and slidably sleeved on the input shaft, the driving gear of the first gear pair is meshed with the first electric sucker and sleeved at one end of the input shaft, the driving gear of the second gear pair is meshed with the second electric sucker and sleeved at the other end of the input shaft, and the driven gear of the first gear pair and the driven gear of the second gear pair are fixedly sleeved on the power output shaft.

2. The electromagnetic transmission of claim 1, comprising a spring plate, wherein the first electric suction cup and the second electric suction cup are respectively connected with one end of the spring plate, and the other end of the spring plate is abutted against the meshing sleeve.

3. The electromagnetic transmission according to claim 1, characterized by comprising an electromagnetic controller connected to the first and second electric suction cups, respectively.

4. The electromagnetic transmission of claim 1, wherein the drive gear of the first gear set and the drive gear of the second gear set are rotatably mounted on the input shaft via bearings, respectively.

5. A speed change method using the electromagnetic transmission according to claims 1 to 4, characterized by comprising the steps of:

(1) when the first electric sucker and the second electric sucker are powered off, the meshing sleeve is firmly fixed between the first electric sucker and the second electric sucker through the spring piece;

(2) the electromagnetic controller controls the first electric sucker to be electrified to generate a magnetic field, the compression spring piece of the meshing sleeve is attracted to be meshed and connected with the driving gear of the first gear pair into a whole, and the meshing sleeve drives the input shaft to rotate at a high speed; when speed change is needed, after the electromagnetic controller controls the first electric sucker to be powered off, the spring piece rebounds the meshing sleeve to the state in the step (1), meanwhile, the second electric sucker is controlled to be powered on to generate a magnetic field, the meshing sleeve is attracted to compress the spring piece to be meshed and connected with the driving gear of the second gear pair into a whole, the meshing sleeve drives the input shaft to rotate at a low speed, so that speed change is achieved, and after the second electric sucker is controlled to be powered off, the spring piece rebounds the meshing sleeve to the state in the step (1).

Technical Field

The invention belongs to the field of automobile transmissions, and particularly relates to an electromagnetic transmission.

Background

The transmission is a gear transmission device which can change the transmission ratio of an output shaft and an input shaft in a fixed or stepped mode, and is also called a gearbox. The transmission is used for converting the torque and the rotating speed of the crankshaft of the engine so as to meet the requirements of different requirements of the automobile on the traction force and the speed of the driving wheels under different driving conditions of starting, accelerating and driving of the automobile, overcoming various road obstacles and the like. With the continuous development and maturity of the automobile industry in China, the requirements of people on all aspects of automobiles are higher and higher, and the requirements include the requirements on the stability of automobile operation, the simplicity and convenience of automobile operation and the like. At present, most automobile transmissions select different gears, namely different gear pairs for transmission according to actual needs by controlling a gear shifting handle of an automobile, so that the purpose of speed change is achieved. However, in the speed change process of the speed changer, large mechanical impact exists, stability of the automobile in operation and riding comfort are affected, speed change efficiency is low, operation is complex, certain physical strength is needed, fatigue of a driver is easily caused, and the existing speed changer occupies large space. The invention discloses a novel high-efficiency electromagnetic speed changer, which is referred to by the patent number 2017112205699, wherein a meshing sleeve in the invention can not be stabilized when moving back and forth on an output shaft under an unpowered state, and the stability of speed change is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide an electromagnetic speed changer which achieves the speed change purpose by electromagnetically controlling different gear pair transmissions, is easy to produce and process, occupies smaller space, has high speed change efficiency, stable speed change process and convenient speed change operation, and has the following specific scheme:

electromagnetic speed changer, including input shaft, power output shaft and a plurality of electromagnetic speed change mechanism, a plurality of electromagnetic speed change mechanism include first gear pair, second gear pair, meshing cover, first electric sucking disc and second electric sucking disc, first gear pair and second gear pair are by constant mesh's driving gear and driven gear constitution, and the meshing cover is established on the input shaft with the free slip ground cover, and the one end at the input shaft is established to the first electric sucking disc cover of driving gear meshing of first gear pair, and the one end at the input shaft is established to the driving gear meshing second electric sucking disc cover of second gear pair, and the driven gear of first gear pair and the driven gear of second gear pair are all fixed the cover and are established on power output shaft.

And the first electric sucking disc and the second electric sucking disc are respectively connected with one end of the spring piece, and the other end of the spring piece is abutted to the meshing sleeve.

Further, the electromagnetic control device is included and is respectively connected with the first electric suction cup and the second electric suction cup.

Furthermore, the first driving gear and the second driving gear are respectively sleeved on the input shaft in a freely rotating manner through bearings.

The speed changing method adopting the electromagnetic speed changer comprises the following steps:

(1) when the first electric sucker and the second electric sucker are powered off, the meshing sleeve is pressed and fixed between the first electric sucker and the second electric sucker through the spring piece;

(2) the electromagnetic controller controls the first electric sucker to be electrified to generate a magnetic field, the compression spring piece of the meshing sleeve is attracted to be meshed and connected with the driving gear of the first gear pair into a whole, and the meshing sleeve drives the input shaft to rotate at a high speed; when speed change is needed, after the electromagnetic controller controls the first electric sucker to be powered off, the spring piece rebounds the meshing sleeve to the state in the step (1), meanwhile, the second electric sucker is controlled to be powered on to generate a magnetic field, the meshing sleeve is attracted to compress the spring piece to be meshed with the driving gear of the second gear pair into a whole, the meshing sleeve drives the input shaft to rotate at a low speed, so that speed change is achieved, and after the second electric sucker is controlled to be powered off, the spring piece rebounds the meshing sleeve to the state in the step (1).

THE ADVANTAGES OF THE PRESENT INVENTION

Compared with the prior art, the invention has the following beneficial effects: this electromagnetic speed changer adopts the electric suction cup of purchasing on the market, through the on-off of electromagnetic controller control electric suction cup, produces magnetic force, attracts the meshing cover compression spring leaf and moves the driving gear meshing connection of the gear pair of circular telegram one end and becomes a whole, because the gear ratio between the different gear pairs is different, the meshing cover is connected through meshing with different gear pairs and becomes a whole, realizes the transmission of different gear pairs and connects to change input shaft and power output shaft's transmission ratio, realize the variable speed. The electromagnetic speed changer increases a plurality of gears by connecting a plurality of electromagnetic speed changing mechanisms in series, and the gear ratio difference of different gear pairs among the gears is small, so that the mechanical impact can be reduced. The spring piece can press and fix the meshing sleeve between the two suckers to prevent the meshing sleeve from moving left and right, the electromagnetic transmission can realize the driving stability and comfort of an automobile in the speed change process, and has the advantages of sensitive, accurate and smooth speed change control, high response speed, simple and convenient speed change operation, novel structure, small space occupation and suitability for popularization.

Drawings

Fig. 1 is a schematic structural diagram of an electromagnetic controller of the present invention.

In the figure:

1: an input shaft; 2: a power take-off shaft; 3: an engagement sleeve; 4 a: a first electric chuck; 4 b: a second electric chuck; 5: a driving gear of the first gear pair; 6: a driven gear of the first gear pair; 7: a driving gear of the second gear pair; 8: a driven gear of the second gear pair; 9: a spring plate.

Detailed Description

The present invention is further explained below with reference to the accompanying drawings and specific embodiments, which should be noted that the present embodiments are not intended to limit the scope of the present invention.

As shown in fig. 1, the electromagnetic transmission provided in this embodiment includes an input shaft 1, a power output shaft 2, a plurality of electromagnetic speed change mechanisms, a spring plate 9 and an electromagnetic controller, where the input shaft 1 is connected to an engine (not shown), the power output shaft 2 is connected to a drive shaft (not shown), the spring plate 9 is disposed on the electromagnetic speed change mechanisms, the plurality of electromagnetic speed change mechanisms are respectively connected in series to the input shaft 1 and the power output shaft 2, each electromagnetic speed change mechanism includes at least one gear pair, and the transmission ratio of the input shaft 1 and the power output shaft 2 is changed by operating different gear pairs.

Each electromagnetic speed change mechanism in the embodiment comprises a first gear pair, a second gear pair, a meshing sleeve 3, a first electric suction cup 4a and a second electric suction cup 4b, wherein the first gear pair and the second gear pair respectively comprise a driving gear 5 and a driven gear 6 which are normally meshed. The difference is that the gear ratios of the first gear pair and the second gear pair are different, and the gear ratios of the gear pairs of different electromagnetic speed change mechanisms are different in order to ensure enough speed change gears.

Firstly, the meshing sleeve 3 is sleeved on the middle part of the input shaft 1 in a freely sliding manner, the driving gear 5 of the first gear pair is meshed with the first electric sucker 4a and sleeved on one end of the input shaft 1, and the driving gear 7 of the second gear pair is meshed with the second electric sucker 4b and sleeved on the other end of the input shaft 1.

The first electric suction cup 4a and the second electric suction cup 4b are respectively connected with one end of a spring piece 9, and the other end of the spring piece 9 is abutted against the meshing sleeve 3. Preferably, the spring tabs 9 are welded to the first and second electric suction cups 4a and 4b, respectively. The spring pieces 9 of the first electric suction cup 4a and the second electric suction cup 4b are respectively abutted against the meshing sleeve 3, so that the meshing sleeve 3 is arranged between the first electric suction cup 4a and the second electric suction cup 4b, and the stability in speed change is realized. The purpose of the spring piece 9 is to press and fix the engaging sleeve 3 between the first electric suction cup 4a and the second electric suction cup 4b, so as to prevent the engaging sleeve from moving left and right between the first electric suction cup 4a and the second electric suction cup 4b, and influence the stability of speed change. The driven gear 6 of the first gear pair and the driven gear 8 of the second gear pair are fixedly sleeved on the power output shaft 2.

When the electromagnetic chuck works, the first electric chuck 4a and the second electric chuck 4b are respectively connected with a power supply, and after the power supply is powered on, the first electric chuck 4a and the second electric chuck 4b respectively generate electromagnetic fields according to the electromagnetic theory. The first electric suction cup 4a and the second electric suction cup 4b are respectively connected with an electromagnetic controller, when the electromagnetic controller controls the first electric suction cup 4a and the second electric suction cup 4b to be powered off, the meshing sleeve 3 is firmly fixed between the first electric suction cup 4a and the second electric suction cup 4b through two spring pieces 9, and no rotating speed is output on the input shaft 1.

When the electromagnetic controller controls the first electric sucker 4a to be electrified to generate an electromagnetic field, the first electric sucker 4a attracts the meshing sleeve 3 to move towards one end of the driving gear 5 of the first gear pair, the compression spring piece 9 of the meshing sleeve 3 is meshed with the driving gear 5 of the first gear pair into a whole, the meshing sleeve 3 drives the input shaft 1 to rotate at a high speed, the driving gear 5 of the first gear pair drives the driven gear 6 of the first gear pair, and the driven gear 6 of the first gear pair drives the power output shaft 2 to realize the force transmission. After the electromagnetic controller controls the first electric suction cup 4a to be powered off, the spring piece 9 rebounds the meshing sleeve 3 and is fixed between the first electric suction cup 4a and the second electric suction cup 4b, and the stability of the automobile in the speed change process is improved.

When speed is required to be changed, the electromagnetic controller controls the first electric sucker 4a to be powered off, the spring piece 9 rebounds the meshing sleeve 3 to the middle of the first electric sucker 4a and the second electric sucker 4b, meanwhile, the second electric sucker 4b is controlled to be powered on to generate an electromagnetic field, the second electric sucker 4b attracts the meshing sleeve 3 to move towards one end of a driving gear 7 of the second gear pair, the meshing sleeve 3 compresses the spring piece 9 and is meshed with the driving gear 7 of the second gear pair to form a whole, the meshing sleeve 3 drives the input shaft 1 to rotate at a low speed, the driving gear 7 of the second gear pair drives a driven gear 8 of the second gear pair, the driven gear 8 of the second gear pair drives the power output shaft 2, and the gear ratio of the gear pair of the first gear pair is different from that of the gear pair of the second gear pair, so that speed changing is. After the electromagnetic controller controls the second electric suction cup 4b to be powered off, the spring piece 9 rebounds the meshing sleeve 3 and presses and fixes the meshing sleeve between the first electric suction cup 4a and the second electric suction cup 4 b.

The speed changing method adopting the electromagnetic speed changer comprises the following steps:

(1) when the first electric suction cup 4a and the second electric suction cup 4b are powered off, the meshing sleeve 3 is fixedly arranged between the first electric suction cup 4a and the second electric suction cup 4b through the spring piece 9;

(2) after the electromagnetic controller controls the first electric sucker 4a to be electrified, a magnetic field is generated, the first electric sucker 4a attracts the meshing sleeve 3 to compress the spring piece 9 to be meshed with the driving gear 5 of the first gear pair into a whole, the meshing sleeve 3 drives the input shaft 1 to rotate at a high speed, the driving gear 5 of the first gear pair drives the driven gear 6 of the first gear pair to rotate at a high speed, and the driven gear 6 of the first gear pair drives the power output shaft 2 to rotate at a high speed, so that the force transmission is realized; when speed change is needed, after the electromagnetic controller controls the first electric suction cup 4a to be powered off, the spring piece 9 rebounds the meshing sleeve 3 to the state in the step (1), and simultaneously controls the second electric suction cup 4b to be powered on to generate a magnetic field to attract the meshing sleeve 3 to compress the spring piece 9 to be meshed with the driving gear 7 of the second gear pair into a whole, the meshing sleeve 3 drives the input shaft 1 to rotate at a low speed, the driving gear 7 of the second gear pair drives the driven gear 8 of the second gear pair to rotate at a low speed, and the driven gear 8 of the second gear pair drives the power output shaft 2 to rotate at a low speed, so that speed change is achieved, and after the second electric suction cup 4b is controlled to be powered off, the spring piece 9 rebounds the meshing sleeve 3 to the state.