CN206377260U - Automobile fourth gear automatic transmission with line traffic control centrifugal globe arm engagement device - Google Patents

Abstract

The utility model discloses an automobile four-speed automatic transmission with a wire-controlled centrifugal ball arm joint device. There is a wire-controlled centrifugal ball arm joint device between each gear input gear and each gear gear; by controlling the engagement and separation of the wire-controlled centrifugal ball-arm joint device, the fourth gear of the car with the wire-controlled centrifugal ball-arm joint device is realized Shift control for automatic transmission. The utility model has the advantages of compact structure, dynamic gear shifting, no mechanical or hydraulic gear shifting parts, low operating energy consumption and the like.

Description

Automotive four-speed automatic transmission with drive-by-wire centrifugal ball arm joint

technical field

The utility model belongs to the technical field of automobile transmission, and relates to an automobile automatic transmission, more precisely, an automobile four-speed automatic transmission with a wire-controlled centrifugal ball arm joint device.

Background technique

Automatic transmissions are widely used in various vehicles such as automobiles, electric vehicles, and construction machinery. The existing automatic transmissions mainly include hydromechanical automatic transmission (AT), metal belt continuously variable automatic transmission (CVT), mechanical automatic transmission (AMT) and dual clutch automatic transmission (DCT). The shifting process control of the above four types of automatic transmissions are all realized by electronically controlled hydraulic servo devices. The hydraulic servo devices are composed of hydraulic pumps, multiple hydraulic valves, multiple hydraulic clutches, multiple brakes, etc., with complex structures and high costs. High energy consumption.

With the wide application of automotive electronic technology, automatic control technology and automotive network communication technology, automotive wire control technology has become the future development trend of automobiles. The car X-By-Wire technology is to replace the mechanical and hydraulic systems by wires, electronic controllers and wire-controlled actuators, and convert the driver's manipulation actions into electrical signals through sensors, which are input to the electronic control unit, and are controlled by the electronic control unit. The electronic control unit generates control signals to drive the wire-controlled actuators to perform required operations. Therefore, the development of a new type of automatic transmission by wire is conducive to reducing the number of its components, reducing costs and energy consumption, and improving transmission efficiency.

On January 21, 2015, China Patent announced the patent of multi-speed ring-arranged wire-controlled automatic transmission with application number CN201410469568.8 and the patent of two-stage wire-controlled multi-speed automatic transmission with application number CN201410468564.8; March 2015 On the 4th, China Patent announced the patent of electric vehicle three-speed wire-controlled automatic transmission with application number CN201410469720.2 and the patent of electric vehicle multi-speed wire-controlled automatic transmission with application number CN201410471726.3; October 28, 2015, China The patent announced the patent of multi-speed wire-controlled automatic transmission with application number CN201520311494.5. In the above-mentioned published patents, the transmission gears of each gear are constantly meshing, there is no hydraulic shifting element, electromagnetic clutches are respectively arranged on the transmission lines of each gear, and the electronic control unit controls the engagement and separation of the electromagnetic clutches of each gear to realize the wire-controlled shifting process. However, in the above-mentioned patented technologies, the electromagnetic clutch used to realize the shift-by-wire process is large in size and low in speed, and the power consumption required by the electromagnetic clutch is large, so the automatic transmission by wire has a large volume, low speed and low operating performance. consumes more.

Utility model content

The purpose of this utility model is to overcome the deficiencies of various existing automatic transmission technologies, and provide a new type of centrifugal ball arm joint device with wire control, which can realize power shifting, and has simple structure, low cost and low energy consumption in operation. car four-speed automatic transmission.

The technical scheme of the utility model is as follows:

An automobile four-speed automatic transmission with a wire-controlled centrifugal ball arm joint device, including an input shaft, an output shaft, an input gear, a first-speed input gear, a second-speed input gear, a third-speed input gear, a reverse gear, and a first-speed active Gear, second gear driving gear, third gear driving gear, reverse gear; the input gear is fixedly installed on the input shaft; the input gear is respectively connected with the first gear input gear, second gear input gear, third gear The gear input gear and the reverse gear input gear are constantly meshing.

It is characterized in that it also includes five wire-controlled centrifugal ball arm joint devices, a first-gear electromagnet, a second-gear electromagnet, a third-gear electromagnet, a fourth-gear electromagnet and a reverse gear electromagnet, a total of five electromagnets.

Each wire-controlled centrifugal ball arm engagement device includes a thrust pressure plate, a driven inner spline hub, a wire-controlled drive plate, a preload spring, a centrifugal ball arm hollow wheel, a centrifugal ball arm pin, a centrifugal ball arm, and a centrifugal ball , Centrifugal ball and socket, driving shaft. The centrifugal ball-arm hollow wheel is mounted on the drive shaft through bearing rolling support, and the outer circumferential surface of one end of the centrifugal ball-arm hollow wheel is provided with an outer spline groove of the centrifugal ball-arm hollow wheel; the wire-controlled drive plate The inner spline groove is set on the outer spline groove of the hollow wheel of the centrifugal ball arm, and the preload spring is arranged between the end of the outer spline groove of the hollow wheel of the centrifugal ball arm and the inner end surface of the wire-controlled drive plate; the wire The control drive disc is provided with a frictional drive end face; the other end of the hollow wheel disc of the centrifugal ball arm is provided with a plurality of centrifugal ball arm supports evenly distributed along the circumferential direction, and a centrifugal ball is fixedly installed on each centrifugal ball arm support. arm pin; one end of the centrifugal ball arm is sleeved on the intermediate journal of the centrifugal ball arm pin through its smooth bearing hole, and the centrifugal ball arm can rotate freely around the centrifugal ball arm pin; the other end of the centrifugal ball arm is set There is a centrifugal ball socket, a centrifugal ball is installed in each centrifugal ball socket, and each centrifugal ball can roll freely in the centrifugal ball socket.

One end surface of the thrust pressure plate is a smooth surface; each of the centrifugal balls is against the smooth surface of the thrust pressure plate; an external spline groove is also provided on the outer peripheral surface of the thrust pressure plate, and the thrust pressure plate The outer spline grooves of the disc are in axial sliding engagement with the inner spline grooves of the driven inner spline hub.

A wire-controlled centrifugal ball arm engagement device is provided between the first-gear input gear and the first-gear driving gear, and the wire-controlled centrifugal ball arm engagement device is used as a first-gear power transmission engagement device. One end of the drive shaft is connected to the first-grade input gear; a first-grade electromagnet is arranged between the wire-controlled centrifugal ball arm engaging device and the first-grade input gear, and the first-grade electromagnet is fixedly mounted on the wire-controlled centrifugal ball arm On the drive shaft of the coupling device.

A wire-controlled centrifugal ball arm joint device is provided between the second-speed input gear and the second-speed driving gear, and the wire-controlled centrifugal ball-arm joint device is used as a second-speed power transmission joint device. One end of the drive shaft is connected to the second-gear input gear; a second-gear electromagnet is arranged between the wire-controlled centrifugal ball arm joint device and the second-gear input gear, and the second-gear electromagnet is fixedly installed on the wire-controlled centrifugal ball On the drive shaft of the arm joint device.

A wire-controlled centrifugal ball arm engaging device is provided between the third-gear input gear and the third-gear driving gear, and the wire-controlled centrifugal ball arm engaging device is used as a third-gear power transmission engaging device. One end of the drive shaft is connected to the third-gear input gear; a third-gear electromagnet is arranged between the wire-controlled centrifugal ball arm joint device and the third-gear input gear, and the third-gear electromagnet is fixedly installed on the wire-controlled centrifugal ball arm On the drive shaft of the coupling device.

A wire-controlled centrifugal ball-arm joint device is provided between the input gear and the output shaft, and the wire-controlled centrifugal ball-arm joint device is used as a fourth-speed power transmission joint device. The driving shaft of the wire-controlled centrifugal ball-arm joint device One end is connected to one end of the input shaft; a fourth-speed electromagnet is arranged between the wire-controlled centrifugal ball arm joint device and the input gear, and the fourth-speed electromagnet is fixedly installed on the driving shaft of the wire-controlled centrifugal ball arm joint device superior.

A wire-controlled centrifugal ball arm engagement device is provided between the reverse gear input gear and the reverse gear drive gear, and the wire-controlled centrifugal ball arm engagement device is used as a reverse gear power transmission engagement device. The wire-controlled centrifugal ball arm engagement device One end of the driving shaft of the drive shaft is connected to the reverse gear input gear; a reverse gear electromagnet is arranged between the wire-controlled centrifugal ball arm joint device and the reverse gear input gear, and the reverse gear electromagnet is fixedly installed on the wire-controlled centrifugal ball On the drive shaft of the arm joint device.

When the first-gear electromagnet is not powered, the friction drive end face of the wire-control drive disk of the wire-control centrifugal ball arm joint device as the first-gear power transmission device is in contact with the magnetic end face of the first-gear electromagnet. A certain air gap is maintained under the elastic force of the pre-compressed spring of the wire-controlled centrifugal ball arm joint device as a first-gear power transmission device; The friction drive end face of the wire-controlled drive disc of the centrifugal ball arm engaging device is engaged with the magnetic end face of the first gear electromagnet against the elastic force of the preloaded spring of the wire controlled centrifugal ball arm engaging device as the first gear power transmission device. Together.

When the second-gear electromagnet is not powered, the friction drive end face of the wire-control drive disk of the wire-control centrifugal ball arm joint device as the second-gear power transmission device is in contact with the magnetic end face of the second-gear electromagnet. A certain air gap is maintained under the elastic force of the pre-compressed spring of the wire-controlled centrifugal ball arm joint device as the second-speed power transmission device; The friction drive end face of the wire-controlled drive disc of the centrifugal ball-arm engaging device is engaged with the magnetic end face of the second-speed electromagnet against the elastic force of the pre-compressed spring of the wire-controlled centrifugal ball-arm engaging device as the second-speed power transmission device. Together.

When the third-gear electromagnet is not energized, the friction drive end face of the wire-control drive disc of the wire-control centrifugal ball arm joint device as the third-gear power transmission device is in contact with the magnetic end face of the third-gear electromagnet. A certain air gap is maintained under the elastic force of the pre-compressed spring of the wire-controlled centrifugal ball arm joint device as the third-gear power transmission device; The friction drive end face of the wire-controlled drive disc of the centrifugal ball-arm engaging device is engaged with the magnetic end face of the third-gear electromagnet against the elastic force of the pre-compressed spring of the wire-controlled centrifugal ball-arm engaging device as the third-gear power transmission device. Together.

When the fourth-gear electromagnet is not powered, the friction drive end face of the wire-control drive disc of the wire-control centrifugal ball arm joint device as the fourth-gear power transmission device is in contact with the magnetic end face of the fourth-gear electromagnet. A certain air gap is maintained under the elastic force of the pre-compressed spring of the wire-controlled centrifugal ball arm joint device as the fourth-speed power transmission device; The friction drive end face of the wire-controlled drive disc of the centrifugal ball arm engaging device is engaged with the magnetic end face of the fourth-gear electromagnet against the elastic force of the pre-compressed spring of the wire-controlled centrifugal ball arm engaging device used as the fourth-gear power transmission device. Together.

When the reverse electromagnet is not energized, the friction drive end face of the wire drive disc of the wire centrifugal ball arm engaging device as the reverse power transmission device is in contact with the magnetic end face of the reverse electromagnet. A certain air gap is maintained under the elastic force of the pre-compressed spring of the wire-controlled centrifugal ball arm joint device as the reverse gear power transmission device; The friction drive end face of the drive-by-wire drive plate of the centrifugal ball arm engaging device is engaged with the magnetic pole end face of the reverse gear electromagnet against the elastic force of the preloaded spring of the centrifugal ball arm engaging device of the reverse gear power transmission device. Together.

Compared with the prior art, the utility model has the advantages of:

(1) The four-speed automatic transmission of the automobile with the wire-controlled centrifugal ball arm joint device of the utility model cancels the hydraulic system and shift mechanism of the traditional automatic transmission, and adopts the belt-controlled centrifugal ball arm joint device, which is adopted by the electronic control unit. The wire control method controls the on-off current of the electromagnetic coil of the centrifugal ball arm joint device to realize gear shifting, the structure is simple, the cost is low, and the energy consumption in the operation process is low;

(2) The wire-controlled centrifugal ball arm joint device of each gear used in the utility model utilizes the huge centrifugal force generated by the centrifugal ball arms of each gear during high-speed operation to promote the frictional engagement between the friction plate and the steel plate, and the transmission torque is large and the rotational speed is high. The engagement process is shock-free and the shifting is smooth.

Description of drawings

Fig. 1 is a position distribution diagram of each gear input gear of an automobile four-speed automatic transmission with a wire-controlled centrifugal ball arm joint device according to an embodiment of the utility model.

Fig. 2 is a structural schematic view of first gear, third gear and fourth gear of an automobile four-speed automatic transmission with wire-controlled centrifugal ball arm joint device according to an embodiment of the present invention (section A-A of Fig. 1 ).

Fig. 3 is the structural representation of second gear, fourth gear and reverse gear of the automobile four-speed automatic transmission with wire-controlled centrifugal ball arm joint device according to the embodiment of the present invention (B-B section of Fig. 1).

Fig. 4 is a structural schematic diagram of the wire-controlled centrifugal ball arm joint device of each gear power transmission device according to the embodiment of the utility model (taking the first gear as an example).

In the figure: 1. Input gear 1Z. Input shaft 1WT. First gear electromagnet 2WT. Second gear electromagnet 3WT. Third gear electromagnet 4WT. Fourth gear electromagnet 7WT. Reverse gear electromagnet 2A. First gear driven gear 2B. Second gear driven gear 2C. Third gear driven gear 2R. Reverse gear driven gear 2Z. Output shaft 10. Wire control centrifugal ball arm joint device 10a. Friction plate with inner spline groove 10b. Steel plate with outer spline groove 10c. Thrust pressure plate 10ca. Smooth surface 10d. Driven inner spline hub 10e. Driven inner spline hub end cover 10f. Stopper plate 10g. Arm hollow roulette 10ja. Centrifugal ball arm hollow roulette outer spline groove 10k. Centrifugal ball arm pin 10l. Centrifugal ball arm 10m. Centrifugal ball 10p. Centrifugal ball arm return spring 10r. Centrifugal ball socket 10Z. Driving shaft 11. Gear input gear 12. Second gear input gear 13. Third gear input gear 17. Reverse gear input gear 21. First gear driving gear 21P. First gear shaft connection plate 21Z. First gear shaft 22. Second gear driving gear 22P. Second gear shaft Connecting disc 22Z. Second gear shaft 23. Third gear driving gear 23P. Third gear shaft connecting disc 23Z. Third gear shaft 24P. Output shaft connecting disc 27. Reverse gear driving gear 27P. Reverse gear shaft connecting disc 27Z. Reverse gear shaft 28 .Reverse gear.

detailed description

Below in conjunction with the accompanying drawings in the utility model embodiment, the technical solution in the utility model embodiment is described in detail, obviously, the described embodiment is only a part of the utility model embodiment, rather than all embodiments; For the embodiments in the utility model, all other embodiments obtained by persons of ordinary skill in the art without creative work belong to the scope of protection of the utility model.

As shown in Figures 1 to 3, the automobile four-speed automatic transmission with wire-controlled centrifugal ball arm joint device of the present utility model includes an input shaft 1Z, an output shaft 2Z, an input gear 1, a first gear input gear 11, and a second gear input gear. Gear 12, third gear input gear 13, reverse gear input gear 17, first gear driving gear 21, second gear driving gear 22, third gear driving gear 23, reverse gear driving gear 27; input gear 1 is fixedly installed on input gear shaft 1Z The input gear 1 is constantly meshed with the first gear input gear 11, the second gear input gear 12, the third gear input gear 13 and the reverse gear 17 along the outer side of the gear circumference; it also includes five wire-controlled centrifugal ball arm joint devices 10 , first gear electromagnet 1WT, second gear electromagnet 2WT, third gear electromagnet 3WT, fourth gear electromagnet 4WT and reverse gear electromagnet 7WT totally five electromagnets.

As shown in Figure 4, each wire-controlled centrifugal ball arm joint device 10 includes a friction plate 10a with an inner spline groove, a steel sheet 10b with an outer spline groove, a thrust pressure plate 10c, a driven inner spline hub 10d, a driven inner spline Key hub end cover 10e, stop disc 10f, remote control drive disc 10g, preload spring 10i, centrifugal ball arm hollow wheel disc 10j, centrifugal ball arm pin 10k, centrifugal ball arm 10l, centrifugal ball 10m, centrifugal ball socket 10r, Centrifugal ball arm return spring 10p, driving shaft 10Z.

The friction plate 10a with inner spline groove is set on the outer spline groove of the driving shaft 10Z through its inner spline groove; the steel plate with outer spline groove 10b is set on the inner spline groove of the driven inner spline hub 10d through its outer spline groove; One end face of the thrust platen 10c is a smooth surface 10ca, and the other end face of the thrust platen 10c is a rough friction surface; the outer circumferential surface of the thrust platen 10c is also provided with an external spline groove, and the external spline groove of the thrust platen 10c is in contact with The two inner spline grooves of the driven inner spline hub 10d are axially slidably engaged; the centrifugal ball arm hollow wheel disc 10j is mounted on the driving shaft 10Z through bearing rolling support, and the outer circumferential surface of one end of the centrifugal ball arm hollow wheel disc 10j is provided with There is an outer spline groove 10ja of the centrifugal ball arm hollow wheel disc, and the wire control drive disc 10g is set on the outer spline groove 10ja of the centrifugal ball arm hollow wheel disc through its inner spline groove, and the wire control drive disc 10g is provided with a friction driving end surface 10ga; The other end of the arm hollow wheel disc 10j is provided with a plurality of centrifugal ball arm supports evenly distributed along the circumference, and a centrifugal ball arm pin 10k is fixedly installed on each centrifugal ball arm support; one end of the centrifugal ball arm 10l passes through its smooth The bearing hole is set on the intermediate journal of the centrifugal ball arm pin 10k, the centrifugal ball arm 10l can rotate freely around the centrifugal ball arm pin 10k, and the other end of the centrifugal ball arm 10l is provided with a centrifugal ball socket 10r, each centrifugal ball socket 10r A centrifugal ball 10m is installed inside, and each centrifugal ball 10m can roll freely in the centrifugal ball socket 10r.

As shown in Figures 2 to 4, a wire-controlled centrifugal ball-arm joint device 10 is provided between the first-gear input gear 11 and the first-gear driving gear 21, and the wire-controlled centrifugal ball-arm joint device 10 serves as a first-gear power transmission joint device One end of the drive shaft 10Z of the wire-controlled centrifugal ball arm joint device 10 is fixedly connected to the first gear input gear 11 through a spline, and the other end is connected to the front journal of the first gear shaft 21Z through a bearing; the wire-controlled centrifugal ball arm One end of the driven inner spline hub 10d of the joint device 10 close to the first-speed input gear 11 is fixedly connected to the driven inner spline hub end cover 10e of the wire-controlled centrifugal ball arm joint device 10 by bolts, and is far away from the end of the first-speed input gear 11. One end is fixedly connected with the connecting plate 21P of the first-gear shaft; a first-gear electromagnet 1WT is arranged between the wire-controlled centrifugal ball arm joint device 10 and the first-gear input gear 11; the first-gear electromagnet 1WT is fixedly installed on the wire-controlled centrifugal ball arm joint On the drive shaft 10Z of the device 10; the stop plate 10f of the wire-controlled centrifugal ball arm joint device 10 is fixedly installed on the transmission housing through a non-magnetic material; the first gear electromagnet 1WT is in the state of no power, the wire-controlled The frictional drive end face 10ga of the wire-controlled drive plate 10g of the centrifugal ball-arm joint device 10 and the magnetic end face of the first gear electromagnet 1WT maintain a certain air gap under the action of the pre-compression spring 10i of the wire-controlled centrifugal ball-arm joint device 10 When the first gear electromagnet 1WT is powered on, the friction drive end surface 10ga of the wire control drive disc 10g of the wire control centrifugal ball arm engaging device 10 is engaged with the magnetic end surface of the first gear electromagnet 1WT.

A wire-controlled centrifugal ball arm engagement device 10 is arranged between the second gear input gear 12 and the second gear driving gear 22, and the wire-controlled centrifugal ball arm engagement device 10 is used as the second gear power transmission engagement device. One end of the driving shaft 10Z of 10 is fixedly connected with the second gear input gear 12 through a spline, and the other end is connected with the front journal of the second gear shaft 22Z through a bearing; One end of the hub 10d close to the second-speed input gear 12 is fixedly connected to the driven inner spline hub end cover 10e of the wire-controlled centrifugal ball arm joint device 10 through bolts, and the end far away from the second-speed input gear 12 is fixed to the second-speed shaft connection plate 22P connection; the wire-controlled centrifugal ball arm joint device 10 and the second-gear input gear 12 are provided with a second-gear electromagnet 2WT; the second-gear electromagnet 2WT is fixedly installed on the driving shaft 10Z of the wire-controlled centrifugal ball arm joint device 10; The stop disc 10f of the wire-controlled centrifugal ball arm joint device 10 is fixedly installed on the transmission housing through a non-magnetic material; the second gear electromagnet 2WT is in the state of no power, and the wire of the wire-controlled centrifugal ball arm joint device 10 The friction drive end face 10ga of the control drive disk 10g and the magnetic end face of the second gear electromagnet 2WT maintain a certain air gap under the action of the preload spring 10i of the wire-controlled centrifugal ball arm joint device 10; the second gear electromagnet 2WT is energized In the state, the friction drive end face 10ga of the drive-by-wire drive plate 10g of the drive-by-wire centrifugal ball arm engaging device 10 is engaged with the magnetic end face of the second-speed electromagnet 2WT.

Between the third-gear input gear 13 and the third-gear driving gear 23, a wire-controlled centrifugal ball arm joint device 10 is arranged. One end of the driving shaft 10Z of 10 is fixedly connected with the third gear input gear 13 through a spline, and the other end is connected with the front journal of the third gear shaft 23Z through a bearing; One end of the hub 10d close to the third-gear input gear 13 is fixedly connected to the driven inner spline hub end cover 10e of the wire-controlled centrifugal ball arm joint device 10 through bolts, and the end far away from the third-gear input gear 13 is fixed to the third-gear shaft connection plate 23P connection; the third-gear electromagnet 3WT is arranged between the wire-controlled centrifugal ball arm joint device 10 and the third-gear input gear 13; the third-gear electromagnet 3WT is fixedly installed on the drive shaft 10Z of the wire-controlled centrifugal ball arm joint device 10; the The stop disc 10f of the wire-controlled centrifugal ball arm joint device 10 is fixedly installed on the transmission housing through a non-magnetic material; the third-speed electromagnet 3WT is in the state of no power, the wire-controlled centrifugal ball arm joint device 10 The frictional driving end face 10ga of the driving disc 10g and the magnetic end face of the third gear electromagnet 3WT maintain a certain air gap under the action of the preload spring 10i of the wire-controlled centrifugal ball arm joint device 10; the third gear electromagnet 3WT is powered on In this state, the friction drive end face 10ga of the drive-by-wire drive plate 10g of the drive-by-wire drive disc 10g of the drive-by-wire engaging device 10 is engaged with the magnetic end face of the third-speed electromagnet 3WT.

Between the input gear 1 and the output shaft 2Z, a wire-controlled centrifugal ball arm joint device 10 is arranged, and the wire-controlled centrifugal ball-arm joint device 10 is used as a fourth-speed power transmission joint device. One end of 10Z is fixedly connected to the input gear 1 through a spline, and the other end is connected to the front journal of the output shaft 2Z through a bearing; One end is fixedly connected to the driven inner spline hub end cover 10e of the wire-controlled centrifugal ball arm joint device 10 through bolts, and the end far away from the input gear 1 is fixedly connected to the output shaft connecting plate 24P; the wire-controlled centrifugal ball arm joint device 10 is connected with A fourth-speed electromagnet 4WT is arranged between the input gear 1; the fourth-speed electromagnet 4WT is fixedly installed on the driving shaft 10Z of the wire-controlled centrifugal ball arm joint device 10; the stop plate 10f of the wire-controlled centrifugal ball arm joint device 10 It is fixedly installed on the transmission housing through a non-magnetic material; when the fourth-speed electromagnet 4WT is in the state of no power, the frictional drive end surface 10ga of the wire-controlled drive disc 10g of the wire-controlled centrifugal ball arm joint device 10 and the fourth-speed electromagnet The magnetic end faces of the 4WT maintain a certain air gap under the action of the preload spring 10i of the wire-controlled centrifugal ball arm joint device 10; The friction drive end surface 10ga of the drive-by-wire disk 10g is engaged with the magnetic end surface of the fourth-speed electromagnet 4WT.

Between the reverse gear input gear 17 and the reverse gear driving gear 27, a wire-controlled centrifugal ball-arm joint device 10 is arranged, and the wire-controlled centrifugal ball-arm joint device 10 is used as a reverse gear power transmission joint device. One end of the driving shaft 10Z of 10 is fixedly connected with the reverse gear input gear 17 through a spline, and the other end is connected with the front journal of the reverse gear shaft 27Z through a bearing; One end of the hub 10d close to the reverse gear input gear 17 is fixedly connected to the driven inner spline hub end cover 10e of the wire-controlled centrifugal ball arm joint device 10 through bolts, and the end far away from the reverse gear input gear 17 is fixed to the reverse gear shaft connection plate 27P connection; a reverse electromagnet 7WT is provided between the wire-controlled centrifugal ball arm joint device 10 and the reverse gear input gear 17; the reverse gear electromagnet 7WT is fixedly installed on the driving shaft 10Z of the wire-controlled centrifugal ball arm joint device 10; The stop plate 10f of the wire-controlled centrifugal ball arm joint device 10 is fixedly installed on the transmission housing through a non-magnetic material; the reverse gear electromagnet 7WT is in the state of no power, the wire of the wire-controlled centrifugal ball arm joint device 10 The friction drive end surface 10ga of the control drive disk 10g and the magnetic end surface of the reverse gear electromagnet 7WT maintain a certain air gap under the action of the preload spring 10i of the wire control centrifugal ball arm joint device 10; the reverse gear electromagnet 7WT is energized In the state, the friction drive end surface 10ga of the drive-by-wire drive disc 10g of the drive-by-wire centrifugal ball arm engagement device 10 is engaged with the magnetic end surface of the reverse gear electromagnet 7WT.

The first gear shaft 21Z is fixedly installed with a first gear driving gear 21 and the first gear shaft connection plate 21P, and the first gear driving gear 21 is in constant mesh with the first gear driven gear 2A; The gear shaft connecting plate 22P, the second gear driving gear 22 and the second gear driven gear 2B are in constant mesh; the third gear shaft 23Z is fixedly installed with the third gear driving gear 23 and the third gear shaft connecting plate 23P, the third gear driving gear 23 and the third gear slave The driving gear 2C is in constant mesh; the output shaft 2Z is fixedly mounted with an output shaft connection plate 24P; the reverse gear shaft 27Z is fixedly mounted with a reverse drive gear 27 and a reverse gear shaft connection plate 27P, and the reverse gear is also provided with a reverse gear 28, The reverse gear 28 is supported and installed on the transmission housing through a bearing, and the reverse gear 28 is constantly meshed with the reverse driving gear 27 and the reverse driven gear 2R.

The first gear driven gear 2A, the second gear driven gear 2B, the third gear driven gear 2C, and the reverse gear 2R are all fixedly installed on the output shaft 2Z.

The working principle of the automobile four-speed automatic transmission with the wire-controlled centrifugal ball arm joint device is further described below in conjunction with the embodiment by taking the first-speed wire-controlled transmission as an example:

The electric slip ring is fixedly installed on the outer cylindrical surface of the first gear electromagnet 1WT, the second gear electromagnet 2 WT, the third gear electromagnet 3WT, the fourth gear electromagnet 4WT, and the reverse gear electromagnet 7WT, through the electric slip ring and the external brush Control the energization and power-off of the first gear electromagnet 1WT, the second gear electromagnet 2WT, the third gear electromagnet 3WT, the fourth gear electromagnet 4WT, and the reverse gear electromagnet 7WT electromagnetic coil.

During the first gear transmission, the electromagnetic coil of the first gear electromagnet 1WT is energized, and works as the wire-controlled centrifugal ball arm joint device 10 of the first gear power transmission joint device. After the electromagnetic coil of the electromagnet 1WT is energized, the electromagnetic suction generated by the first gear electromagnet 1WT is transmitted to the wire-controlled drive disc 10g of the wire-controlled centrifugal ball arm joint device 10 as the first gear power transmission joint device, so that it can be used as the first gear power transmission joint. The wire-controlled centrifugal ball arm joint device 10 of the device overcomes the elastic force of the pre-compressed spring 10i of the wire-controlled centrifugal ball-arm joint device 10 as the first-speed power transmission joint device and moves toward the first-speed electromagnet 1WT. Thus, the frictional driving end surface 10ga of the wire-controlled drive disc 10g of the wire-controlled centrifugal ball arm engaging device 10 as the first-gear power transmission engaging device is engaged with the magnetic end face of the first-gear electromagnet 1WT, and the frictional force generated by the engagement between the two Under the action, the centrifugal ball arm hollow disc 10j of the wire-controlled centrifugal ball arm joint device 10 as the first gear power transmission joint device is driven to rotate, and the centrifugal ball arm hollow wheel 10j of the wire-controlled centrifugal ball arm joint device 10 as the first gear power transmission joint device is driven to rotate. The wheel disc 10j drives the rotation of each centrifugal ball arm 10l of the wire-controlled centrifugal ball-arm joint device 10 as the first-speed power transmission joint device, and at the same time, under the action of centrifugal force, the wire-controlled centrifugal ball-arm joint 10 as the first-speed power transmission joint device rotates. Each centrifugal ball arm 10l of the device 10 spreads outward around the centrifugal ball arm pin 10k of the wire-controlled centrifugal ball arm engagement device 10 as the first-gear power transmission engagement device, so that the wire-controlled centrifugal ball arm as the first-grade power transmission engagement device One end of the centrifugal ball socket 10r of the ball arm joint device 10 drives the centrifugal ball 10m of the wire-controlled centrifugal ball-arm joint device 10 as the first-speed power transmission joint device along the wire-controlled centrifugal ball-arm joint device 10 as the first-speed power transmission joint device. The smooth surface 10ca of the thrust pressure plate 10c makes a circular motion outward, so that the centrifugal ball arm 10l of the wire-controlled centrifugal ball-arm engagement device 10 as the first-speed power transmission engagement device together with the wire-controlled centrifugal ball arm 10 as the first-speed power transmission engagement device The centrifugal ball 10m of the ball arm joint device 10 generates centrifugal force, and the centrifugal force is pushed along the central axis direction of the centrifugal ball arm hollow wheel disc 10j of the wire-controlled centrifugal ball arm joint device 10 as the first gear power transmission joint device as the first gear. The thrust pressure plate 10c of the drive-by-wire centrifugal ball arm joint device 10 of the power transmission joint device produces an axial movement away from the centrifugal ball arm hollow wheel 10j of the wire control centrifugal ball arm joint device 10 as the first gear power transmission joint device, thereby The thrust pressure plate 10c of the wire-controlled centrifugal ball-arm joint device 10 as the first-speed power transmission joint device connects the outer spline groove steel sheets 10b of the wire-controlled centrifugal ball-arm joint device 10 as the first-speed power transmission joint device with each other as the first gear power transmission joint device. The friction plates 10a with internal spline grooves of the wire-controlled centrifugal ball-arm joint device 10 of the first-speed power transmission joint device are pressed against each other, relying on the outer splines of the wire-controlled centrifugal ball-arm joint device 10 as the first-speed power transmission joint device. Keyway steel sheet 1 The frictional force between 0b and the friction plates 10a with internal spline grooves of the wire-controlled centrifugal ball-arm joint device 10 as the first-speed power transmission joint device realizes the The driven inner spline hub 10d rotates synchronously with the driving shaft 10Z of the drive-by-wire centrifugal ball-arm joint device 10 as the first-speed power transmission joint device, so that the drive shaft 10Z of the wire-control centrifugal ball-arm joint device 10 as the first-speed power transmission joint device The shaft 10Z rotates synchronously with the first gear shaft 21Z, thereby realizing the first gear transmission.

After the electromagnetic coils of the electromagnets of the other gears are de-energized, under the elastic force of the preload spring 10i of the wire-controlled centrifugal ball arm engaging device 10 as the power transmission engaging device of the remaining gears, the power transmission engaging device used as the remaining gears The drive disc 10g of the drive-by-wire centrifugal ball arm engaging device 10 is engaged with the stop plate 10f of the centrifugal ball arm engaging device 10 serving as the power transmission engaging device of other gears, and is used as the wire of the power transmission engaging device of other gears. The stop plate 10f of the centrifugal control ball arm joint device 10 is fixed on the casing by a non-magnetic material, so it can be used as the wire control drive plate 10g of the wire control centrifugal ball arm joint device 10 of the rest of the power transmission joint devices. After being engaged with the stop plate 10f of the drive-by-wire centrifugal ball arm engagement device 10 as the power transmission engagement device of the other gears, the friction force between the two makes the centrifugal ball arm engagement device 10 of the power transmission engagement device of the remaining gears The rotational speed of the wire-controlled drive disc 10g and the centrifugal ball-arm hollow wheel disc 10j of the wire-controlled centrifugal ball arm engaging device 10 as the power transmission engaging device of the other gears is zero. Under the twisting action of the centrifugal ball arm return spring 10p of the ball arm joint device 10, the centrifugal ball arm 101 of the wire-controlled centrifugal ball arm joint device 10 as the power transmission joint device of the remaining gears together with the centrifugal ball arm 101 as the power transmission joint device of the other gears The centrifugal ball 10m of the wire-controlled centrifugal ball-arm joint device 10 is retracted inwardly, so that the wire-controlled centrifugal ball-arm joint device 10 as the rest of the gear power transmission joint devices does not transmit power.

The working principle of the other gear-by-wire transmissions is the same as that of the first gear.

The power transmission routes of each gear of the automotive four-speed automatic transmission with wire-controlled centrifugal ball arm joint device according to the embodiment of the utility model will be further described below in conjunction with FIG. 2 and FIG. 3 .

The transmission route of the first gear: the drive-by-wire centrifugal ball arm joint device 10 as the power transmission joint device of the first gear is energized and engaged, the torque of the engine is transmitted to the input gear 1 through the input shaft 1Z, and the input gear 1 transmits the torque to the first gear input gear 11 , the first gear input gear 11 transmits the torque to the wire-controlled centrifugal ball arm joint device 10 as the first gear power transmission joint device, and the torque is further transmitted to the wire control centrifugal ball arm joint device 10 as the first gear power transmission joint device The first-gear shaft connection plate 21P, and then the power is transmitted to the output shaft 2Z by the meshing of the first-gear driving gear 21 and the first-gear driven gear 2A to realize the first-gear reduction transmission.

The transmission route of the second gear is: the wire-controlled centrifugal ball arm joint device 10 as the power transmission joint device of the second gear is energized and engaged, the torque of the engine is transmitted to the input gear 1 through the input shaft 1Z, and the input gear 1 transmits the torque to the second gear input gear 12 , the second gear input gear 12 transmits the torque to the wire-controlled centrifugal ball arm joint device 10 as the second gear power transmission joint device, and then the torque is further transmitted to the wire control centrifugal ball arm joint device 10 as the second gear power transmission joint device The second gear shaft connection plate 22P, and then the power is transmitted to the output shaft 2Z by the engagement of the second gear driving gear 22 and the second gear driven gear 2B to realize the second gear reduction transmission.

The third-gear transmission route is: the wire-controlled centrifugal ball arm joint device 10 as the third-speed power transmission joint device is energized and engaged, the torque of the engine is transmitted to the input gear 1 through the input shaft 1Z, and the input gear 1 transmits the torque to the third-speed input gear 13 , the third-speed input gear 13 transmits the torque to the wire-controlled centrifugal ball-arm joint device 10 as the third-speed power transmission joint device, and then transmits the torque to the wire-controlled centrifugal ball-arm joint device 10 as the third-speed power transmission joint device. The third-gear shaft connection plate 23P, and then the power is transmitted to the output shaft 2Z by the meshing of the third-gear driving gear 23 and the third-gear driven gear 2C, so as to realize the third-gear reduction transmission.

The fourth-speed transmission route is as follows: the wire-controlled centrifugal ball arm joint device 10 as the fourth-speed power transmission joint device is energized and engaged, the torque of the engine is transmitted to the input gear 1 through the input shaft 1Z, and the input gear 1 passes through the fourth-speed power transmission joint device. The wire-controlled centrifugal ball arm joint device 10 further transmits the torque to the output shaft 2Z to realize the fourth-speed transmission.

Reverse gear transmission: The wire-controlled centrifugal ball arm joint device 10 as the power transmission joint device for reverse gear is electrically engaged, the torque of the engine is transmitted to the input gear 1 through the input shaft 1Z, and the input gear 1 transmits the torque to the reverse gear input gear 17, reverse The gear input gear 17 transmits the torque to the drive-by-wire centrifugal ball arm engagement device 10 as the reverse gear power transmission engagement device, and then through the wire control centrifugal ball arm engagement device 10 as the reverse gear power transmission engagement device, the torque is passed through the reverse gear shaft The connection plate 27P transmits the torque to the reverse shaft 27Z, and then the reverse gear 27 fixedly installed on the reverse shaft 27Z transmits the torque to the reverse gear 28 meshing with the reverse drive gear 27, and finally through the reverse gear 28. The reverse gear driven gear 2R, which is meshed and fixedly installed on the output shaft 2Z, transmits the torque to the output shaft 2Z to realize reverse gear reduction transmission.

Neutral gear: the wire-controlled centrifugal ball arm joint device 10 as the power transmission joint device of each gear is in a power-off and non-working state, realizing neutral gear.

The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned embodiments. Various changes are made.

Claims (6)

1. a kind of automobile fourth gear automatic transmission with line traffic control centrifugal globe arm engagement device, including input shaft (1Z), output shaft (2Z), input gear (1), one grade of input gear (11), two grades of input gears (12), third gear input gear (13), reverse gear inputs Gear (17), one grade of driving gear (21), two grades of driving gears (22), third speed drive gear (23), reverse driving gears (27)； The input gear (1) is fixedly mounted on input shaft (1Z)；The input gear (1) along gear outer circumferential respectively with one grade Input gear (11), two grades of input gears (12), third gear input gears (13) and reverse input gear (17) are often engaged；Its feature It is：

It also includes five line traffic control centrifugal globe arm engagement devices (10), one grade of electromagnet (1WT), two grades of electromagnet (2WT), third gear Electromagnet (3WT), fourth gear electromagnet (4WT) and reverse gear electromagnet (7WT) totally five electromagnet；

Each line traffic control centrifugal globe arm engagement device (10) includes thrust platen (10c), driven internal spline hub (10d), line traffic control Drive disk (10g), pre-compressed spring (10i), the hollow wheel disc of centrifugal globe arm (10j), centrifugal globe arm pin (10k), centrifugal globe arm (10l), centrifugal globe (10m), centrifugation ball-and-socket (10r), driving shaft (10Z)；The hollow wheel disc of centrifugal globe arm (10j) passes through bearing Rolling support is arranged on driving shaft (10Z), and the outer circumference surface of the described hollow wheel disc of centrifugal globe arm (10j) one end is provided with centrifugation The hollow wheel disc external splines groove (10ja) of ball arm；It is empty that the drive-by-wire disk (10g) is sleeved on centrifugal globe arm by its inner spline groove On heart wheel disc external splines groove (10ja), the pre-compressed spring (10i) is arranged on the hollow wheel disc external splines groove (10ja) of centrifugal globe arm End and drive-by-wire disk (10g) inner side end between；The drive-by-wire disk (10g) is provided with friction-driven end face (10ga)；The hollow wheel disc of centrifugal globe arm (10j) other end is provided with multiple centrifugal globe arm bearings being uniformly distributed circumferentially, institute State one centrifugal globe arm pin (10k) of fixed installation on each centrifugal globe arm bearing；One end of the centrifugal globe arm (10l) passes through it Smooth bearing bore is sleeved on the intermediate journal of centrifugal globe arm pin (10k), and the centrifugal globe arm (10l) can be around centrifugal globe arm pin (10k) is freely rotated；The other end of the centrifugal globe arm (10l) is provided with a centrifugation ball-and-socket (10r), each centrifugation ball-and-socket One centrifugal globe (10m) is installed, each centrifugal globe (10m) can freely roll in centrifugation ball-and-socket (10r) in (10r)；

The end face of the thrust platen (10c) is shiny surface (10ca)；Each centrifugal globe (10m) is resisted against thrust platen On the shiny surface (10ca) of (10c)；External splines groove, the thrust pressure are additionally provided with the outer circumference surface of the thrust platen (10c) The external splines groove of disk (10c) slides axially with both inner spline grooves of driven internal spline hub (10d) and engaged；

Provided with a line traffic control centrifugal globe arm engagement device between one grade of input gear (11) and one grade of driving gear (21) (10), the line traffic control centrifugal globe arm engagement device (10) is as one grade of power transmission engagement device, and the described line traffic control centrifugal globe arm connects The one end for attaching together the driving shaft (10Z) for putting (10) is connected with one grade of input gear (11)；The line traffic control centrifugal globe arm engagement dress Put provided with one grade of electromagnet (1WT) between (10) and one grade of input gear (11), one grade of electromagnet (1WT) is fixedly mounted on On the driving shaft (10Z) of the line traffic control centrifugal globe arm engagement device (10)；

Provided with a line traffic control centrifugal globe arm engagement device between two grades of input gears (12) and two grades of driving gears (22) (10), the line traffic control centrifugal globe arm engagement device (10) is as two grades of power transmission engagement devices, and the described line traffic control centrifugal globe arm connects The one end for attaching together the driving shaft (10Z) for putting (10) is connected with two grades of input gears (12)；The line traffic control centrifugal globe arm engagement dress Put provided with two grades of electromagnet (2WT) between (10) and two grades of input gears (12), two grades of electromagnet (2WT) are fixedly mounted on On the driving shaft (10Z) of the line traffic control centrifugal globe arm engagement device (10)；

Provided with a line traffic control centrifugal globe arm engagement device between the third gear input gear (13) and third speed drive gear (23) (10), the line traffic control centrifugal globe arm engagement device (10) is as third gear power transmission engagement device, and the described line traffic control centrifugal globe arm connects The one end for attaching together the driving shaft (10Z) for putting (10) is connected with third gear input gear (13)；The line traffic control centrifugal globe arm engagement dress Put and third gear electromagnet (3WT) is provided between (10) and third gear input gear (13), the third gear electromagnet (3WT) is fixedly mounted on On the driving shaft (10Z) of the line traffic control centrifugal globe arm engagement device (10)；

Provided with line traffic control centrifugal globe arm engagement device (10) between the input gear (1) and output shaft (2Z), the line traffic control from Bulbus cordis arm engagement device (10) is used as fourth gear power transmission engagement device, the master of the line traffic control centrifugal globe arm engagement device (10) One end of moving axis (10Z) is connected with input shaft (1Z)；The described line traffic control centrifugal globe arm engagement device (10) and input gear (1) it Between be provided with fourth gear electromagnet (4WT), the fourth gear electromagnet (4WT) is fixedly mounted on the line traffic control centrifugal globe arm engagement device (10) Driving shaft (10Z) on；

Provided with a line traffic control centrifugal globe arm engagement device between the reverse input gear (17) and reverse driving gear (27) (10), the line traffic control centrifugal globe arm engagement device (10) is as reverse gear power transmission engagement device, and the described line traffic control centrifugal globe arm connects The one end for attaching together the driving shaft (10Z) for putting (10) is connected with reverse input gear (17)；The line traffic control centrifugal globe arm engagement dress Put and reverse gear electromagnet (7WT) is provided between (10) and reverse input gear (17), the reverse gear electromagnet (7WT) is fixedly mounted on On the driving shaft (10Z) of the line traffic control centrifugal globe arm engagement device (10).

2. the automobile fourth gear automatic transmission as claimed in claim 1 with line traffic control centrifugal globe arm engagement device, it is characterised in that：

One grade of electromagnet (1WT) is in the state of no power, the line traffic control centrifugal globe as one grade of actuating unit The friction-driven end face (10ga) of the drive-by-wire disk (10g) of arm engagement device (10) and the magnetic of one grade of electromagnet (1WT) Make in the elastic force of the pre-compressed spring (10i) of the line traffic control centrifugal globe arm engagement device (10) as one grade of actuating unit in extreme face Certain air-gap is kept with lower；One grade of electromagnet (1WT) is described to be filled as one grade of power transmission in the state of energization The friction-driven end face (10ga) of the drive-by-wire disk (10g) for the line traffic control centrifugal globe arm engagement device (10) put and one grade of electricity The magnetic pole end face of magnet (1WT) overcomes the precompressed bullet of the line traffic control centrifugal globe arm engagement device (10) as one grade of actuating unit The elastic force effect of spring (10i) is bonded together.

3. the automobile fourth gear automatic transmission as claimed in claim 1 with line traffic control centrifugal globe arm engagement device, it is characterised in that：

Two grades of electromagnet (2WT) are in the state of no power, the line traffic control centrifugal globe as two grades of actuating units The friction-driven end face (10ga) of the drive-by-wire disk (10g) of arm engagement device (10) and the magnetic of two grades of electromagnet (2WT) Make in the elastic force of the pre-compressed spring (10i) of the line traffic control centrifugal globe arm engagement device (10) as two grades of actuating units in extreme face Certain air-gap is kept with lower；Two grades of electromagnet (2WT) are described to be filled as two grades of power transmissions in the state of energization The friction-driven end face (10ga) of the drive-by-wire disk (10g) for the line traffic control centrifugal globe arm engagement device (10) put and two grades of electricity The magnetic pole end face of magnet (2WT) overcomes the precompressed bullet of the line traffic control centrifugal globe arm engagement device (10) as two grades of actuating units The elastic force effect of spring (10i) is bonded together.

4. the automobile fourth gear automatic transmission as claimed in claim 1 with line traffic control centrifugal globe arm engagement device, it is characterised in that：

The third gear electromagnet (3WT) is in the state of no power, the line traffic control centrifugal globe as third gear actuating unit The friction-driven end face (10ga) of the drive-by-wire disk (10g) of arm engagement device (10) and the magnetic of the third gear electromagnet (3WT) Make in the elastic force of the pre-compressed spring (10i) of the line traffic control centrifugal globe arm engagement device (10) as third gear actuating unit in extreme face Certain air-gap is kept with lower；The third gear electromagnet (3WT) is described to be filled as third gear power transmission in the state of energization The friction-driven end face (10ga) of the drive-by-wire disk (10g) for the line traffic control centrifugal globe arm engagement device (10) put and third gear electricity The magnetic pole end face of magnet (3WT) overcomes the precompressed bullet of the line traffic control centrifugal globe arm engagement device (10) as third gear actuating unit The elastic force effect of spring (10i) is bonded together.

5. the automobile fourth gear automatic transmission as claimed in claim 1 with line traffic control centrifugal globe arm engagement device, it is characterised in that：

The fourth gear electromagnet (4WT) is in the state of no power, the line traffic control centrifugal globe as fourth gear actuating unit The friction-driven end face (10ga) of the drive-by-wire disk (10g) of arm engagement device (10) and the magnetic of the fourth gear electromagnet (4WT) Make in the elastic force of the pre-compressed spring (10i) of the line traffic control centrifugal globe arm engagement device (10) as fourth gear actuating unit in extreme face Certain air-gap is kept with lower；The fourth gear electromagnet (4WT) is described to be filled as fourth gear power transmission in the state of energization The friction-driven end face (10ga) of the drive-by-wire disk (10g) for the line traffic control centrifugal globe arm engagement device (10) put and fourth gear electricity The magnetic pole end face of magnet (4WT) overcomes the precompressed bullet of the line traffic control centrifugal globe arm engagement device (10) as fourth gear actuating unit The elastic force effect of spring (10i) is bonded together.

6. the automobile fourth gear automatic transmission as claimed in claim 1 with line traffic control centrifugal globe arm engagement device, it is characterised in that：

The reverse gear electromagnet (7WT) is in the state of no power, the line traffic control centrifugal globe as reverse gear actuating unit The friction-driven end face (10ga) of the drive-by-wire disk (10g) of arm engagement device (10) and the magnetic of the reverse gear electromagnet (7WT) Make in the elastic force of the pre-compressed spring (10i) of the line traffic control centrifugal globe arm engagement device (10) as reverse gear actuating unit in extreme face Certain air-gap is kept with lower；The reverse gear electromagnet (7WT) is described to be filled as reverse gear power transmission in the state of energization The friction-driven end face (10ga) of the drive-by-wire disk (10g) for the line traffic control centrifugal globe arm engagement device (10) put and reverse gear electricity The magnetic pole end face of magnet (7WT) overcomes the precompressed bullet of the line traffic control centrifugal globe arm engagement device (10) as reverse gear actuating unit The elastic force effect of spring (10i) is bonded together.