CN209762150U - Self-adaptive variable speed power device - Google Patents

Abstract

The utility model relates to an electric motor car technical field, concretely relates to self-adaptation variable speed power device, including the gear change case, the motor is installed outward to the gear change case, be provided with automatic clutch, main shaft and countershaft in the gear change case, wherein main shaft, countershaft and motor shaft are parallel to each other, the one end of main shaft is fixed in the gear change case through the bearing, the outer dish of automatic clutch with the terminal fixed connection of main shaft, the inner disc of automatic clutch is empty to overlap outside the main shaft, and the inner face rigid coupling of the inner disc of automatic clutch has high-speed active teeth; one end of the auxiliary shaft is fixed in the gear box through a bearing, and the other end of the auxiliary shaft penetrates out of the gear box. The utility model discloses compare in prior art, simple structure, reasonable in design are provided with high-speed gear and low-speed gear to the cooperation has automatic clutch, improves the efficiency of electric motor car, and along with the improvement of rotational speed or reduce and automatic switch-over high-low gear, practice thrift power consumption, improve continuation of the journey mileage.

Description

Self-adaptive variable speed power device

Technical Field

The utility model relates to an electric motor car power technology field, concretely relates to self-adaptation variable speed power device who uses on electric motor car power.

Background

The electric vehicle is very light and convenient to go out, and becomes a wide traffic travel tool for people. At present, the power of the existing electric vehicle mainly utilizes the change of the voltage and the current of a motor to realize speed change, and has no gear shifting function, although some electric vehicles are provided with a mechanical gear shifting gearbox technology, such as the technical scheme disclosed by the prior Chinese patent CN 2017213604, the operation of people who are not used to gear shifting operation is too complicated, and when speed change is needed in a climbing road section, the mechanical gear shifting electric vehicle has the problem that the gear shifting is difficult due to the fact that the motor does not have an idle speed, the operation is troublesome, and accidents can be caused in serious cases.

Disclosure of Invention

In view of the technical problem that exists among the prior art, the utility model provides an adaptive variable speed power device.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows: the self-adaptive variable-speed power device comprises a gear box, wherein a motor is arranged outside the gear box, an automatic clutch, a main shaft and an auxiliary shaft are arranged in the gear box, the main shaft, the auxiliary shaft and a motor shaft are parallel to each other, one end of the main shaft is fixed in the gear box through a bearing, an outer disc of the automatic clutch is fixedly connected with the tail end of the main shaft, an inner disc of the automatic clutch is sleeved outside the main shaft in a hollow mode, and the inner surface of the inner disc of the automatic clutch is fixedly connected with a high-speed driving tooth; one end of the auxiliary shaft is fixed in the gear box through a bearing, and the other end of the auxiliary shaft penetrates out of the gear box; the output end of the motor shaft is connected with a driving gear shaft, driving teeth are fixedly arranged on the driving gear shaft, driven teeth and low-speed driving teeth are fixedly arranged on the main shaft, low-speed driven teeth and high-speed driven teeth are fixedly arranged on the auxiliary shaft, the driven teeth are meshed with the driving teeth, the low-speed driving teeth are meshed with the low-speed driven teeth, and the high-speed driven teeth are meshed with the high-speed driving teeth.

By adopting the self-adaptive variable-speed power device adopting the technical scheme, the adopted automatic clutch can reduce manual gear shifting operation. The automatic clutch is the prior art and has been used for many years on a Z100\ C100 engine and a GY6HE SGY6 engine which are common, the automatic clutch comprises a clutch outer disc and a clutch inner disc, a ball groove and balls which are radially arranged are arranged between the clutch outer disc and the clutch inner disc, the groove depth of the position, close to the center of the clutch outer disc (clutch inner disc), of the ball groove is deep, the groove depth of the position, far away from the center of the clutch outer disc (clutch inner disc) is shallow, the balls roll in the ball groove, when the rotating speed is slow, the balls are positioned at the deep groove position, close to the center of the clutch outer disc (clutch inner disc), and at the moment, the clutch outer disc and the clutch inner disc are in a separated state and move independently; when the rotating speed is increased (namely when the rotating speed of the main shaft is increased-the centripetal force is greater than gravity), the ball is positioned at a shallow groove position far away from the center of the clutch outer disc (clutch inner disc) under the action of the centripetal force, and the groove is gradually shallow, so that the clutch outer disc and the clutch inner disc are in a combined state through the ball and synchronously move under the mutual action; due to the working principle of the automatic clutch, the clutch is automatically combined as long as the rotating speed of the main shaft is increased to a certain rotating speed, and the clutch is automatically separated as long as the rotating speed of the main shaft is reduced to a certain speed, so that the automatic clutch is convenient to use, the electric vehicle realizes the function of automatic gear shifting, the operation is simplified, the efficiency is improved, the driving efficiency is improved, and the use of riding personnel is convenient.

In the above limitation, the oil pump is arranged in the gear box, the output end of the oil pump is provided with an oil pump driven tooth, and the oil pump driven tooth is meshed with the high-speed driving tooth, so that oil pumped from the oil pump is fed into each oil path of the automatic transmission, and the lubricating oil path can be arranged according to the requirement of a specific position, and is usually arranged at a position with high motion frequency to lubricate and dissipate heat of a friction pair.

Further, the output end of the auxiliary shaft is provided with an output sprocket, the output sprocket is an output member for transmitting the power of the variable speed power device to the outside, and the power is transmitted to the rear wheel by a chain through the output sprocket.

And further limiting, the driving gear shaft and the motor shaft are connected and installed in the same bearing inner hole by adopting a straight groove, and the limitation is to reduce the assembly fit tolerance and ensure the assembly concentricity.

The utility model discloses compare in prior art, simple structure, reasonable in design are provided with high-speed gear and low-speed gear to the cooperation has automatic clutch, improves the efficiency of electric motor car, and along with the improvement of rotational speed or reduce and automatic switch-over high-low gear, practice thrift power consumption, improve continuation of the journey mileage.

Drawings

Fig. 1 is a schematic structural view of the adaptive variable speed power device of the present invention;

The corresponding labels in the figures are: 1-gear transmission case, 2-motor, 3-oil pump, 11-automatic clutch, 12-main shaft, 13-auxiliary shaft, 21-motor shaft, 22-driving tooth, 23-driving gear shaft, 31-oil pump driven tooth, 121-high-speed driving tooth, 122-low-speed driving tooth, 123-driven tooth, 131-high-speed driven tooth, 132-low-speed driven tooth and 133-output chain wheel.

Detailed Description

In order to make the technical solution of the present invention more comprehensible to those skilled in the art, the present invention is further described with reference to the accompanying drawings and examples.

the self-adaptive variable-speed power device shown in fig. 1 comprises a gear box 1, wherein a motor 2 is installed outside the gear box 1, a motor shaft 21 of the motor 2 is arranged in the gear box 1, an automatic clutch 11, a main shaft 12 and an auxiliary shaft 13 are arranged in the gear box 1, wherein the main shaft 12, the auxiliary shaft 13 and the motor shaft 21 are parallel to each other, one end of the main shaft 12 is fixed in the gear box 1 through a bearing, the other end of the main shaft 12 is fixedly connected with an outer disc of the automatic clutch 11, an inner disc of the automatic clutch 11 is sleeved on the main shaft 12 in a hollow manner, and the inner surface of the inner disc of the automatic clutch 11 is fixedly connected with a high-speed driving tooth 121; one end of the auxiliary shaft 13 is fixed in the gear transmission case 1 through a bearing, and the other end of the auxiliary shaft penetrates out of the gear transmission case 1; the output end of the motor shaft 21 is connected with a driving gear shaft 23, a driving tooth 22 is fixedly arranged on the driving gear shaft 23, a driven tooth 123 and a low-speed driving tooth 122 are fixedly arranged on the main shaft 12, a low-speed driven tooth 132 and a high-speed driven tooth 131 are fixedly arranged on the auxiliary shaft 13, wherein the driven tooth 123 is meshed with the driving tooth 22, the low-speed driving tooth 122 is meshed with the low-speed driven tooth 132, and the high-speed driven tooth 131 is meshed with the high-speed driving tooth 121. An oil pump 3 is further arranged in the gear transmission case 1, an oil pump driven tooth 31 is arranged at the output end of the oil pump 3, and the oil pump driven tooth 31 is meshed with the high-speed driving tooth 121. The output end of the auxiliary shaft 13 is provided with an output sprocket 133. The driving gear shaft 23 and the motor shaft 21 are connected and installed in the same bearing inner hole by adopting a straight groove.

The utility model discloses act on the electric motor car, electric motorcycle car is last, when electric motor car (electric motorcycle car) begins low-speed starting, motor starting low-speed operation, and the vehicle needs the big moment of torsion of low-speed, this moment, drive driving tooth 22 through motor shaft 21, the driven tooth 123 of driving tooth 22 meshing, driven tooth 123 and the coaxial drive of low-speed driving tooth 122, low-speed driving tooth 122 meshing low-speed driven tooth 132, low-speed driven tooth 132 and 13 coaxial transmissions of countershaft arrive output sprocket 133, automatic clutch is in the disengagement state, thereby reach the low-speed rotation. When in the low speed state, the high-speed driving teeth 121, the high-speed driven teeth 131 and the automatic clutch 11 are in the idle rotation state,

When the electric vehicle (electric motorcycle) runs at a high speed and the vehicle needs high rotating speed and small torque, the speed regulating rotating handle sends a signal to the controller to control the motor 2 to rotate, and drives the driving teeth 22 and the automatic clutch 11 through the motor shaft 21, the automatic clutch is in a combined state, the automatic clutch 11 is combined with the high-speed driving teeth 121 to drive the high-speed driven teeth 131 and the auxiliary shaft 13, and the output chain wheel 133 is coaxially driven to realize high-speed transmission. The oil pump provides the lubrication effect for clutch and kinematic pair through the oil duct, prolongs clutch and kinematic pair's life, simultaneously noise reduction.

When the electric vehicle (electric motorcycle) climbs a slope, when the vehicle needs low rotating speed and large torque, the state is consistent with the starting state, the automatic clutch is in a separation state, the motor shaft 21 drives the driving teeth 22, the driving teeth 22 are meshed with the driven teeth 123, the driven teeth 123 and the low-speed driving teeth 122 are coaxially driven, the low-speed driving teeth 122 are meshed with the low-speed driven teeth 132, and the low-speed driven teeth 132 and the auxiliary shaft 13 are coaxially driven to the output chain wheel 133.

The automatic clutch is the prior art and has been used for many years on a Z100\ C100 engine and a GY6HE SGY6 engine which are common, the automatic clutch comprises a clutch outer disc and a clutch inner disc, a ball groove and balls which are radially arranged are arranged between the clutch outer disc and the clutch inner disc, the groove depth of the position, close to the center of the clutch outer disc (clutch inner disc), of the ball groove is deep, the groove depth of the position, far away from the center of the clutch outer disc (clutch inner disc) is shallow, the balls roll in the ball groove, when the rotating speed is slow, the balls are positioned at the deep groove position close to the center of the clutch outer disc (clutch inner disc), and at the moment, the clutch outer disc and the clutch inner disc are in a separated state and move independently; when the rotating speed is increased (namely when the rotating speed of the main shaft is increased-the centripetal force is greater than gravity), the ball is positioned at a shallow groove position far away from the center of the clutch outer disc (clutch inner disc) under the action of the centripetal force, and the groove is gradually shallow, so that the clutch outer disc and the clutch inner disc are in a combined state through the ball and synchronously move under the mutual action; due to the working principle of the automatic clutch, the clutch is automatically combined as long as the rotating speed of the main shaft is increased to a certain rotating speed, and the clutch is automatically separated as long as the rotating speed of the main shaft is reduced to a certain speed, so that the automatic clutch is convenient to use, the electric vehicle realizes the function of automatic gear shifting, the operation is simplified, the efficiency is improved, the driving efficiency is improved, and the use of riding personnel is convenient.

the adaptive variable speed power device provided by the present invention has been described in detail above, and the description of the specific embodiment is only used to help understanding the method and the core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (4)

1. Self-adaptation variable speed power device, including gear change case, gear change case installs the motor outward, its characterized in that: an automatic clutch, a main shaft and an auxiliary shaft are arranged in the gear transmission case, wherein the main shaft, the auxiliary shaft and a motor shaft are parallel to each other, one end of the main shaft is fixed in the gear transmission case through a bearing, the other end of the main shaft is fixedly connected with an outer disc of the automatic clutch, an inner disc of the automatic clutch is sleeved on the main shaft in a hollow mode, and the inner surface of the inner disc of the automatic clutch is fixedly connected with a high-speed driving tooth; one end of the auxiliary shaft is fixed in the gear box through a bearing, and the other end of the auxiliary shaft penetrates out of the gear box; the output end of the motor shaft is connected with a driving gear shaft, driving teeth are fixedly arranged on the driving gear shaft, driven teeth and low-speed driving teeth are fixedly arranged on the main shaft, low-speed driven teeth and high-speed driven teeth are fixedly arranged on the auxiliary shaft, the driven teeth are meshed with the driving teeth, the low-speed driving teeth are meshed with the low-speed driven teeth, and the high-speed driven teeth are meshed with the high-speed driving teeth.

2. The adaptive variable speed power plant of claim 1, wherein: an oil pump is further arranged in the gear transmission case, an oil pump driven tooth is arranged at the output end of the oil pump, and the oil pump driven tooth is meshed with the high-speed driving tooth.

3. The adaptive variable speed power plant of claim 1, wherein: and an output chain wheel is arranged at the output end of the auxiliary shaft.

4. The adaptive variable speed power plant of claim 1, wherein: the driving gear shaft and the motor shaft are connected and installed in the same bearing inner hole through a straight groove.