CN218141005U

CN218141005U - Stable electric drive bridge structure

Info

Publication number: CN218141005U
Application number: CN202222369049.7U
Authority: CN
Inventors: 吴秋生; 叶伟宏; 张磊; 黄国坪; 戴健峰; 陈裕华; 张钦凌; 欧晟杰
Original assignee: Xiamen Jinlong Automobile New Energy Technology Co ltd
Current assignee: Xiamen Jinlong Automobile New Energy Technology Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-12-27
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a stable bridge construction that drives of electricity relates to auto-parts technical field, including the bridge body that drives of electricity, set up at the main reducer who drives on the bridge body and with the motor of main reducer connection, the rear end face of motor is equipped with a plurality of connecting pieces, the connecting piece extends and is connected with main reducer after running through the motor to the main reducer direction from the rear end face of motor. The utility model discloses a plurality of connecting holes are seted up to the motor periphery, and this connecting hole runs through motor and main reducer to still wear to be equipped with in the connecting hole and be used for fixing the stay bolt on main reducer with the motor, this kind of structure can avoid when adopting high performance motor, and the bolt does not have installation space's problem, and this kind of structure can also play the effect of fixed motor.

Description

Stable electric drive bridge structure

Technical Field

The utility model relates to the technical field of auto-parts, in particular to stable electricity drive bridge construction.

Background

With the increasing severity of energy and environmental problems, automobile exhaust has become one of the important sources of air pollution, and the development of new energy automobiles has gradually become the development trend of the future automobile industry.

The new energy automobile is composed of a power supply system, an electric drive system and an auxiliary system, wherein the electric drive system can be called as the heart of the new energy automobile, and an electric drive bridge is an indispensable part in the electric drive system.

The electric drive axle consists of a motor, a main speed reducer, a differential mechanism, a wheel transmission device and an electric drive axle body, wherein one end of the motor, which is provided with an output shaft, is connected with the main speed reducer on the electric drive axle body, holes are formed in a front end cover of the motor and the main speed reducer, and the motor can be locked on the main speed reducer through bolts; however, such a structure can only be applied to a conventional motor, when a high-performance motor is adopted, due to the fact that the diameter of the motor is too large, if a bolt is further installed on a front end cover of the motor, the area of the front end cover of the motor is increased, the reserved space of an electric drive bridge is compressed, the front end cover of the motor is inconsistent with the end of a main speed reducer, and great influence is caused on production and assembly of a vehicle.

Disclosure of Invention

The utility model provides a stable bridge construction that drives of electricity, aim at solve when adopting the high performance motor, because of the diameter of motor is too big, the bolt does not have installation space, influences the problem that drives the bridge headspace of electricity.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a stable bridge construction that drives electrically, drives the pontic including the electricity, sets up final drive unit on the pontic and the motor of being connected with final drive unit that drives electrically, and the rear end face of above-mentioned motor is equipped with a plurality of connecting pieces, and above-mentioned connecting piece extends and is connected with final drive unit after running through the motor to the final drive unit direction from the rear end face of motor.

Furthermore, the peripheral wall of the motor is provided with a plurality of semicircular convex columns, first connecting holes are formed in the semicircular convex columns, one end of each first connecting hole is located on the rear end face of the motor, and the other end of each first connecting hole extends into the main speed reducer towards the front end face of the motor; the connecting piece is a long bolt, and the motor is detachably connected with the main speed reducer by penetrating the long bolt in the first connecting hole.

Furthermore, a plurality of first connecting holes are formed in the rear end face of the motor, one end of each first connecting hole is located in the rear end face of the motor, the other end of each first connecting hole extends into the main speed reducer towards the front end face of the motor, the connecting piece is a long bolt, and the motor and the main speed reducer are detachably connected through the long bolts penetrating through the first connecting holes.

Furthermore, a detachable support is arranged between the rear end face of the motor and the side wall of one end of the electric drive bridge body.

Furthermore, a second connecting hole is formed in the rear end face of the motor; the side wall of one end of the electrically-driven bridge body is fixedly provided with a mounting seat, and the mounting seat is provided with a mounting hole; and a third connecting hole and a fourth connecting hole which correspond to the second connecting hole and the mounting hole are respectively formed in the support, and short bolts for fixing the support are further arranged in the third connecting hole and the fourth connecting hole in a penetrating manner.

Furthermore, the bracket is also provided with lightening holes.

As can be seen from the above description of the structure of the utility model, the utility model has the advantages of as follows:

one of the two, the utility model discloses a plurality of connecting holes have been seted up in the periphery of motor, and motor and main reducer are run through to this connecting hole to still wear to be equipped with in the connecting hole and be used for fixing the stay bolt on main reducer with the motor, this kind of structure can avoid when adopting high performance motor, and the bolt does not have installation space's problem, and can accomplish the same size with main reducer end with the diameter of motor, does not need additional headspace, can also play fixed motor's effect.

And secondly, the utility model discloses still be equipped with the support between the rear end face of motor and the lateral wall of the electric bridge body one end that this support is used for auxiliary motor fixed to it is more stable at the vehicle operation to make the motor.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a schematic structural view of the bracket removal device of the present invention.

Fig. 4 is a schematic structural diagram of the bracket of the present invention.

Reference numerals: 10-electrically driven bridge; 11-a mounting seat; 12-mounting holes; 20-a main reducer; 30-a motor; 31-a first connection hole; 311-long bolt; 32-second connection hole; 33-convex column; 40-a scaffold; 41-third connection hole; 42-fourth connection hole; 43-lightening holes; 400-short bolt; 401-a mounting face; 402-bends.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, a stable electrically-driven bridge structure, including electrically-driven bridge 10, set up at the final drive 20 of electrically-driven bridge 10 middle part and the motor 30 of being connected with final drive 20, the preceding terminal surface of this motor 30 has an output shaft, this output shaft is connected with final drive 20, a plurality of first connecting holes 31 and a plurality of second connecting hole 32 have still been seted up to the rear end face of motor 30, the one end of above-mentioned first connecting hole 31 is located the rear end face of motor 30, in addition one end extends to final drive 20 to the preceding terminal surface direction of motor 30, still wear to be equipped with long bolt 311 in this first connecting hole 31, this long bolt 311 can pass first connecting hole 31 and make motor 30 and final drive 20 carry out the dismantlement and be connected.

This scheme still contains the second kind of embodiment, a plurality of projections 33 have been seted up at the periphery wall of motor 30 promptly, projection 33 is semi-circular, above-mentioned first connecting hole 31 has been seted up in this semi-circular projection 33, the one end of this first connecting hole 31 is located the rear end face of motor 30, one end extends to main reducer 20 in to the preceding terminal surface direction of motor 30 in addition, wear to establish stay bolt 311 in first connecting hole 31 and can make motor 30 and main reducer 20 dismantle the connection, this kind of structure can reduce the space that first connecting hole 31 occupy motor 30, thereby can use the motor 30 of bigger diameter.

Referring to fig. 1 to 4, a mounting seat 11 is further fixedly disposed on a side wall of one end of the electric drive bridge 10 close to the rear end face of the motor 30, and at least one mounting hole 12 is disposed on the mounting seat 11, in this embodiment, two mounting holes 12 are provided; a support 40 is further arranged between the rear end face of the motor 30 and the mounting seat 11, the support 40 is composed of a mounting face 401 and a bending portion 402, wherein a third connecting hole 41 is formed in the mounting face 401 of the support 40, the third connecting hole 41 corresponds to the second connecting hole 32 in the rear end face of the motor 30, and the mounting face 401 of the support 40 can be fixed on the rear end face of the motor 30 by penetrating a short bolt 400.

The bent part 402 of the bracket 40 is further provided with a fourth connecting hole 42, the four connecting holes 42 correspond to the mounting holes 12 on the mounting seat 11, the bent part 401 of the bracket 40 can be fixed on the mounting seat 11 by penetrating short bolts 400, and in order to reduce the weight of the bracket 40, the mounting surface 401 of the bracket 40 is further provided with lightening holes 43, so that the weight of the bracket 40 can be reduced, and the bearing capacity of the bracket 40 can not be reduced.

In the present embodiment, an electric drive bridge for a 9-ton vehicle model is preferred.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides a stable bridge construction that drives electrically, includes the bridge body that drives electrically, sets up final drive unit on the bridge body that drives electrically and the motor of being connected with final drive unit, its characterized in that: the rear end face of the motor is provided with a plurality of connecting pieces, and the connecting pieces extend from the rear end face of the motor to the direction of the main speed reducer and are connected with the main speed reducer after penetrating through the motor.

2. The stabilized electric drive bridge structure of claim 1, wherein: the peripheral wall of the motor is provided with a plurality of semicircular convex columns, first connecting holes are formed in the semicircular convex columns, one end of each first connecting hole is located on the rear end face of the motor, and the other end of each first connecting hole extends into the main speed reducer towards the front end face of the motor; the connecting piece is a long bolt, and the motor is detachably connected with the main speed reducer by penetrating the long bolt in the first connecting hole.

3. The stabilized electric drive bridge structure of claim 1, wherein: a plurality of first connecting holes have been seted up to the rear end face of motor, the one end of first connecting hole is located the rear end face of motor, and one end extends to main reducer in to the preceding terminal surface direction of motor in addition, the connecting piece is the stay bolt, makes motor and main reducer carry out the dismantlement and is connected through wearing to establish the stay bolt in first connecting hole.

4. The stabilized electric drive bridge structure according to claim 2 or 3, wherein: and a detachable support is further arranged between the rear end face of the motor and the side wall of one end of the electric drive bridge body.

5. The stabilized electric drive bridge structure of claim 4, wherein: the rear end face of the motor is also provided with a second connecting hole; the side wall of one end of the electrically-driven bridge body is fixedly provided with a mounting seat, and a mounting hole is formed in the mounting seat; and a third connecting hole and a fourth connecting hole which correspond to the second connecting hole and the mounting hole are respectively formed in the support, and short bolts for fixing the support are further arranged in the third connecting hole and the fourth connecting hole in a penetrating manner.

6. The stabilized electric drive bridge structure of claim 4, wherein: the support is also provided with lightening holes.