CN217761908U

CN217761908U - Motor electric control two-gear new energy reducer integrated structure

Info

Publication number: CN217761908U
Application number: CN202121469551.4U
Authority: CN
Inventors: 郭超; 樵明月; 陈瑶; 唐天顺; 胡佳会
Original assignee: Chongqing Tsingshan Industrial Co Ltd
Current assignee: Chongqing Tsingshan Industrial Co Ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-11-08
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a motor electrically-controlled two-gear new energy reducer integrated structure, an input shaft is directly matched with a driving motor through a spline to transmit torque, and a first-stage driving gear and a second-stage driving gear are respectively arranged on the input shaft; the primary driven gear, the synchronizer, the secondary driven gear and the main reduction driving gear are respectively arranged on the intermediate shaft, wherein the primary driven gear is meshed with the primary driving gear to form a high-torque low-speed high-speed ratio; the shifting fork is connected with the integrated gear shifting motor and matched with the synchronizer; the main reducing gear wheel is meshed with the main reducing driving gear and is connected with the differential; the electric control module is respectively electrically connected with the driving motor and the integrated gear shifting motor. The utility model has the advantages of low cost.

Description

Motor electric control two-gear new energy reducer integrated structure

Technical Field

The utility model relates to a pure electric vehicles technical field, concretely relates to automatically controlled two grades of new forms of energy reduction gear integrated configuration of motor.

Background

With the development of the automobile industry towards low carbon and intellectualization, new energy automobiles are developed. At present, the speed change scheme adopted by the power system of the electric automobile is mainly direct drive of a motor, and the scheme adopts a fixed speed reduction ratio and directly depends on the motor to realize the speed change task. However, due to the characteristic curve of the electrode, the motor is difficult to work in a high-efficiency range while the power performance of the motor is ensured by fixing the reduction ratio, the motor cannot be efficiently utilized, and the power consumption is high. In addition, in the scheme, the driving motor and the speed reducer are in a separated state, so that the core shaft of the driving motor is connected with the input shaft of the speed reducer through a spline, and the driving motor and the speed reducer respectively need corresponding oil seals and bearings, thereby increasing the cost.

Disclosure of Invention

The utility model provides a can reduce cost's automatically controlled two grades of new forms of energy reduction gears integrated configuration of motor.

The technical scheme for realizing the purpose is as follows:

two automatically controlled grades of new forms of energy reduction gear integrated configuration of motor, including input shaft, integral type gear motor, shift fork, driving motor, reduction gear, electric control module, the reduction gear includes one-level driving gear, second grade driving gear, one-level driven gear, synchronous ware, second grade driven gear, main driving gear, jackshaft, main gear wheel, differential mechanism that subtract, integral type gear motor is integrated as an organic whole with driving motor and reduction gear, wherein:

the input shaft is directly matched with the driving motor through a spline to transmit torque, and the primary driving gear and the secondary driving gear are respectively arranged on the input shaft;

the primary driven gear, the synchronizer, the secondary driven gear and the main reduction driving gear are respectively arranged on the intermediate shaft, wherein the primary driven gear is meshed with the primary driving gear to form a high-torque low-speed high-speed ratio;

the shifting fork is connected with the integrated gear shifting motor and matched with the synchronizer;

the main reducing gear wheel is meshed with the main reducing driving gear and is connected with the differential;

the electric control module is respectively electrically connected with the driving motor and the integrated gear shifting motor.

The utility model discloses integrated as an organic whole with driving motor, reduction gear, integral type gear motor and shift fork, the input shaft is integrated integrative with the driving motor dabber, can reduce support bearing, oil blanket etc.. The integral power assembly has the advantages of compact structure, smaller integral axial and radial length and low cost. The novel electric motor speed reducer can be conveniently and easily installed in engine rooms of various sizes, has good adaptability, and effectively solves the problems that the spline connection of the speed reducing mechanism and the driving motor is easy to wear and affects the service life. And a smaller driving motor can be selected to output reasonable torque through a large speed ratio, so that the aim of saving cost is fulfilled.

Compared with other structures of the market in which the motor is separated from the speed reducer, the utility model integrates the input shaft and the shaft of the driving motor into one shaft, thereby reducing the number of oil seals and bearings, and having high integration level and compact structure; the method can adapt to the whole vehicle with large and small engine rooms, and has good adaptability; the vehicle model of same weight can use the motor of lower power, and is with low costs.

Drawings

Fig. 1 is a schematic view of an integrated structure of a motor electrically-controlled two-gear new energy reducer of the utility model;

reference numbers in the drawings:

the gear shifting mechanism comprises an input shaft 1, a first-stage driving gear 2, a second-stage driving gear 3, a first-stage driven gear 4, an integrated gear shifting motor 5, a shifting fork 6, a synchronizer 7, a second-stage driven gear 8, a main reduction driving gear 9, an intermediate shaft 10, a main reduction gear 11, a differential mechanism 12 and a driving motor 13.

Detailed Description

The present invention will be described with reference to fig. 1.

The utility model discloses an automatically controlled two grades of new forms of energy reduction gears integrated configuration of motor, including input shaft 1, integral type gear motor 5, shift fork 6, driving motor 13, the reduction gear, automatically controlled module, the reduction gear includes one-level driving gear 2, second grade driving gear 3, one-level driven gear 4, synchronous ware 7, second grade driven gear 8, the main driving gear 9 that subtracts, jackshaft 10, the main gear wheel 11 that subtracts, differential mechanism 12, integral type gear motor 5 and driving motor 13 and reduction gear integrated as an organic whole, carry out the detailed description to every part and the relation between each part below.

The input shaft 1 is directly matched with the driving motor 13 through splines to transmit torque, preferably, an external spline of the input shaft 1 is meshed with an internal spline of the driving motor 13, in the embodiment, the input shaft 1 is directly matched with the driving motor 13, a coupling between the input shaft 1 and the driving motor 13 is eliminated, the input shaft 1 and the driving motor 13 are integrated into a whole and directly become a part of the driving motor 13, the transmission efficiency can be improved, and an end cover between a motor shell and a speed reducer shell can be eliminated by the structure; and simultaneously, supporting bearings, oil seals and the like can be reduced. The primary driving gear 2 and the secondary driving gear 3 are respectively arranged on the input shaft 1; the first-stage driving gear 2 and the second-stage driving gear 3 are respectively matched with the input shaft 1 through splines or directly fixed.

The utility model discloses in because input shaft 1 becomes driving motor 13 partly, no longer splined connection between the input of reduction gear and driving motor 13, but replace by input shaft 1, can solve the problem that splined connection has the wearability completely, improve power assembly's reliability, prolong its life. In addition, the driving motor 13, the first-stage driving gear 2, the second-stage driving gear 3, the same input shaft 1 and the same bearings ensure the whole coaxiality of the input end, and reduce the use of high-speed bearings of the input shaft.

The primary driven gear 4, the synchronizer 7, the secondary driven gear 8 and the main reduction driving gear 9 are respectively arranged on an intermediate shaft 10, and the primary driven gear 4, the synchronizer 7, the secondary driven gear 8 and the main reduction driving gear 9 are respectively matched with the intermediate shaft 10 through splines or are directly fixed. Wherein, the primary driven gear 4 is meshed with the primary driving gear 2 to form a large torque, low speed and high speed ratio, the synchronizer 7 is positioned between the primary driven gear 4 and the secondary driven gear 8, and the secondary driven gear 8 is meshed with the secondary driving gear 3 to form a small torque, high speed and low speed ratio.

The shifting fork 6 is connected with the integrated gear shifting motor 5, the shifting fork 6 is matched with the synchronizer 7, and the integrated gear shifting motor 5 and the differential mechanism 12 are coaxially arranged. The integrated gear shifting motor 5 is composed of a motor body and a driving shaft, one end of the driving shaft is connected with the motor body, and the other end of one end of the driving shaft is fixedly connected with the shifting fork 6 through a pin.

The main reducing gear wheel 11 is meshed with the main reducing gear wheel 9, the main reducing gear wheel 11 is connected with the differential 12 to form a power output structure, and the power of the intermediate shaft 10 is output out of the differential 12 through the meshing of the main reducing gear wheel 9 and the main reducing gear wheel 11 and is finally output by the differential 12.

The electric control module is respectively electrically connected with the driving motor 13 and the integrated gear shifting motor 5. The electric control module is used for controlling the driving motor 13 to output power and controlling the integrated gear shifting motor 5 to enable the synchronizer 7 to be meshed with the primary driven gear 4 or the secondary driven gear 8 when acceleration or deceleration is needed.

When the working condition needs to be in starting and accelerating states: the method comprises the steps that firstly, an electric control module controls a driving motor 13 to stop working so as to interrupt torque and output the torque to a first-stage driving gear 2 and a second-stage driving gear 3, then the electric control module controls an integrated gear shifting motor 5 to drive a shifting fork 6 to enable a synchronizer 7 to be meshed with a first-stage driven gear 4 so as to achieve high speed ratio, then the electric control module controls the driving motor 13 to work so as to output the torque to the first-stage driving gear 2 and the second-stage driving gear 3, and the torque is transmitted through the first-stage driving gear 2, the first-stage driven gear 4, the synchronizer 7, an intermediate shaft 10, a main reduction driving gear 9 and a main reduction gear 11 in sequence;

when the working condition needs to be at high-speed bottom torque: the electric control module controls the driving motor 13 to stop working to interrupt torque and output the torque to the first-stage driving gear 2 and the second-stage driving gear 3, then controls the integrated gear shifting motor 5 to drive the shifting fork 6 to enable the synchronizer 7 to be meshed with the second-stage driven gear 8 to achieve low speed ratio, controls the driving motor 13 to work to output the torque to the first-stage driving gear 2 and the second-stage driving gear 3, and transmits the torque through the second-stage driving gear 3, the second-stage driven gear 8, the synchronizer 7, the intermediate shaft 10, the main reduction driving gear 9 and the main reduction gear 11 in sequence.

In this embodiment, the integrated gear shifting motor 5 is fixed to the shifting fork 6 and controls gear shifting jointly with the driving motor 13 and the electronic control module. Therefore, the utility model discloses the different synchronous ware inertia of adaptation that can be better.

Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solution of the present invention, but not to limit the technical solution, and the patent scope of the present invention is not limited; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; in addition, will the technical scheme of the utility model direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses an in the patent protection scope.

Claims

1. Automatically controlled two grades of new forms of energy reduction gear integrated morphology of motor, including input shaft (1), integral type gear motor (5), shift fork (6), driving motor (13), the reduction gear, automatically controlled module, the reduction gear includes one-level driving gear (2), second grade driving gear (3), one-level driven gear (4), synchronous ware (7), second grade driven gear (8), the owner subtracts driving gear (9), jackshaft (10), the owner subtracts gear wheel (11), differential mechanism (12), its characterized in that, integral type gear motor (5) and driving motor (13) and reduction gear integrated as an organic whole, wherein:

the input shaft (1) is directly matched with the driving motor (13) through a spline to transmit torque, and the primary driving gear (2) and the secondary driving gear (3) are respectively arranged on the input shaft (1);

the primary driven gear (4), the synchronizer (7), the secondary driven gear (8) and the main reduction driving gear (9) are respectively arranged on an intermediate shaft (10), wherein the primary driven gear (4) is meshed with the primary driving gear (2) to form a large-torque low-speed high-speed ratio, the synchronizer (7) is positioned between the primary driven gear (4) and the secondary driven gear (8), and the secondary driven gear (8) is meshed with the secondary driving gear (3) to form a small-torque high-speed low-speed ratio;

the shifting fork (6) is connected with the integrated gear shifting motor (5), and the shifting fork (6) is matched with the synchronizer (7);

the main reducing gear wheel (11) is meshed with the main reducing driving gear (9), and the main reducing gear wheel (11) is connected with the differential (12);

the electric control module is respectively and electrically connected with the driving motor (13) and the integrated gear shifting motor (5).

2. The integrated structure of the motor electric control two-gear new energy reducer according to claim 1, characterized in that: the integrated gear shifting motor (5) and the differential (12) are coaxially arranged.