CN218021188U - Stable motor bracket of electric drive bridge - Google Patents

Abstract

The utility model discloses a motor stabilizing support of electric drive bridge relates to auto-parts technical field, including the electric drive bridge body, set up in the main reducer of the middle part of the electric drive bridge body and connect the motor on the main reducer, still be equipped with the detachable support between the rear end of motor and the lateral wall of electric drive bridge body one end, this support comprises installation face, the first portion of bending and the second portion of bending that is connected with the installation face respectively, the installation face is the trident type, first portion of bending is three, is connected with the three free end of installation face trident type respectively, first portion of bending is connected with the periphery wall of motor rear end bottom through the connecting piece; the second bending part is connected with one end side wall of the electric bridge through a connecting piece. The utility model discloses a through set up the support between the one end lateral wall at motor rear end and the electric bridge body to can avoid the motor to produce the vibration at vehicle operation in-process.

Description

Stable motor bracket of electric drive bridge

Technical Field

The utility model relates to the technical field of auto-parts, in particular to firm support of motor of electricity bridge that drives.

Background

The electric drive axle is a power assembly of a new energy automobile core, and consists of three parts, namely a motor, an inverter and an electric drive transmission, wherein the front end of the motor is connected with the electric drive transmission in the prior art, and the rear end of the motor is suspended or connected by a bracket; the support connection is adopted by fixing two ends of the support on the rear end surface of the motor and the side wall of the electric drive bridge body respectively through bolts, so that the rear end of the motor is connected with the electric drive bridge body.

However, the following problems still exist in the use of this structure: 1. because the support only can be connected with the rear end face of the motor usually, only the bolt bears the falling force of the motor at the joint of the support, and after the support is used for a period of time, the bolt can be abraded with the support, and the joint of the support can be seriously broken. 2. The connecting point of the existing support and the motor is unreasonable in arrangement, the rear end of the motor is connected with the electric drive bridge body, the stability of the motor is poor, and the motor can still shake when a vehicle runs on an unstable road section.

Disclosure of Invention

The utility model provides a firm support of motor of bridge that drives electricity, aim at solve current leg joint department and easily take place the tie point of fracture and support and motor and arrange unreasonable problem.

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

a motor stabilizing support of an electric drive bridge comprises an electric drive bridge body, a main speed reducer arranged in the middle of the electric drive bridge body and a motor connected to the main speed reducer, wherein a detachable support is further arranged between the rear end of the motor and the side wall of one end of the electric drive bridge body, the support comprises an installation surface, a first bending part and a second bending part, the first bending part and the second bending part are respectively connected with the installation surface, the installation surface is of a three-fork type, the first bending parts are three and are respectively connected with three free ends of the three-fork type of the installation surface, and the first bending part is connected with the outer peripheral wall of the bottom of the rear end of the motor through a connecting piece; the second bending part is connected with one end side wall of the electric bridge through a connecting piece.

Furthermore, three fixing seats are fixedly arranged on the outer peripheral wall of the rear end of the motor, and each fixing seat is provided with a fixing hole; the side wall of one end of the electrically-driven bridge body close to the rear end face of the motor is also provided with a mounting seat, and the mounting seat is provided with a mounting hole; a first connecting hole corresponding to the fixing hole is formed in the first bending part of the bracket; and a second connecting hole corresponding to the mounting seat is formed in the second bending part of the support.

Further, one of them setting of above-mentioned fixing base is at the top of motor rear end periphery wall, and two are the symmetry and set up the both sides in motor rear end periphery wall bottom in the other.

Furthermore, a buffer pad is arranged between the second bending part of the bracket and the mounting seat, and the buffer pad is made of rubber or polyurethane.

Furthermore, a boss is arranged at the bottom of the mounting seat in an extending manner towards the second bending part, and the second bending part is placed on the boss.

Furthermore, the bracket is integrally formed by punching.

Further, the connecting piece is a bolt.

From the above description to the structure of the present invention, the present invention has the following advantages:

one of which, the utility model discloses a set up the support between motor rear end face and the bridge body one end lateral wall of electricity, this support is by the installation face, the first portion of bending and the second portion of bending of being connected with the installation face respectively are constituteed, wherein the first portion of bending of support has a plurality ofly, and this first portion of bending is connected with a plurality of fixing bases that set up on the motor rear end periphery wall respectively, the first portion of bending and the mount pad of setting on the bridge body of electricity of support are connected, can produce motor rear end and the one end of the bridge body of electricity through such setting and be connected, and be connected with the fixing base that sets up in motor rear end periphery wall top and bottom both sides respectively because of a plurality of first portions of bending, can change the power that bears the motor tenesmus by the bolt originally into bolt and the equal atress of support, so not only can prolong the life of support. In addition, the support is in a three-fork claw shape and firmly grabs the side wall of the rear end of the motor, so that the connection between the rear end of the motor and the support is more stable.

And secondly, the utility model discloses still be equipped with the blotter between the second portion of buckling and mount pad, the preferred rubber or polyurethane of material of blotter can play the effect of shock attenuation to avoid possible earthquakes, has avoided the vibration of the bridge body of electricity to drive to take place to be correlated with the motor.

Third, the utility model discloses a mount pad bottom still extends to the second portion of bending direction and is equipped with the boss, has placed the second portion of bending on the boss, and such setting can further reduce the atress of junction bolt between second portion of bending and the mount pad, prevents that the junction between second portion of bending and the mount pad from breaking.

Drawings

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

Fig. 2 is the schematic structural diagram of the utility model after the bracket is removed.

Fig. 3 is a top view of the present invention.

Fig. 4 is a top view of the present invention after the bracket is removed.

Fig. 5 is a schematic structural diagram of the bracket of the present invention.

Fig. 6 is a schematic structural view of the installation seat with the cushion pad.

Fig. 7 is a schematic structural view of the mounting base with the boss.

Reference numerals: 10-electrically driven bridge; 11-a mounting seat; 11-mounting holes; 12-a cushion pad; 13-a boss; 20-a main reducer; 30-a motor; 31-a fixed seat; 311-a fixation hole; 40-a scaffold; 41-mounting surface; 42-a first bend; 421-first connection hole; 43-second bend; 431-second connection hole; 50-bolt.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, a motor stabilizing support of an electrically-driven bridge, including an electrically-driven bridge body 10, a main reducer 20 and a motor 30 connected to the main reducer 20 are disposed at the middle of the electrically-driven bridge body 10, an output shaft is disposed on a front end face of the motor 30, the output shaft is connected to the main reducer 20, a support 40 is further disposed between a rear end of the motor 30 and a side wall of one end of the electrically-driven bridge body 10, the support 40 is used for connecting a rear end of the motor 30, which is suspended in the air, to the electrically-driven bridge body 10, and in order to ensure strength of the support 40, the support 40 is preferably formed by integral stamping.

Referring to fig. 1 to 5, the peripheral wall of the rear end of the motor 30 is provided with a plurality of fixing seats 31, in this embodiment, three fixing seats 31 are provided, one of the fixing seats 31 is provided at the top of the peripheral wall of the rear end of the motor 30, the other two fixing seats are symmetrically provided at two sides of the bottom of the peripheral wall of the rear end of the motor 30, each fixing seat 31 is provided with a fixing hole 311, and in this embodiment, the number of the fixing holes 311 is one; the side wall of one end of the electric drive bridge 10 close to the rear end face of the motor 30 is further provided with a mounting seat 11, and the mounting seat 11 is provided with two mounting holes 111 in this embodiment.

Referring to fig. 1 to 5, the bracket 40 includes a mounting surface 41, and first and second bent portions 42 and 43 respectively connected to the mounting surface 41, wherein the mounting surface 41 is substantially three-pronged, and the number of the first bent portions 42 is three, and the first bent portions are respectively connected to three ends of the three-pronged mounting surface 41, such that the mounting surface 41 and the first bent portions 42 form a shape similar to a three-claw hook, which can be fastened to the fixing base 31 of the peripheral wall at the rear end of the motor 30, such that the bracket 40 is firmly fixed to the rear end of the motor 30. And each first bending portion 42 is provided with a first connection hole 421, the first connection hole 421 corresponds to the fixing hole 311 of the fixing base 31, and the first bending portion 42 can be fixed on the fixing base 31 by inserting a bolt 50 through the first connection hole 421.

The second bending portion 43 is substantially L-shaped, and a second connection hole 431 is further formed in the second bending portion 43, the second connection hole 431 corresponds to the mounting hole 111 in the mounting seat 11, and the second bending portion 43 can be fixed on the mounting seat 11 by penetrating the bolt 50 through the second connection hole 431, so that the bolt 50 originally bearing the falling force of the motor 30 can be changed into the bolt 50 and the bracket 40 bearing the force, the stress of the bolt 50 is shared, and the motor 30 can be more stably connected with the electric drive bridge body 10.

Referring to fig. 6, in order to reduce vibration of the motor 30 during vehicle operation and make the motor more stable, a cushion pad 12 may be disposed between the second bending portion 43 and the mounting seat 11, and the cushion pad 12 may be made of rubber or polyurethane, so as to achieve an effect of reducing vibration and avoid the vibration of the motor 30 being associated with the electric drive axle 10.

Referring to fig. 7, in order to further reduce the force applied to the joint of the bracket 40, a boss 13 is disposed at the bottom of the mounting seat 11 near the second bending portion 43, and the second bending portion 43 is disposed on the boss 13, so as to further reduce the stress on the bolt 50 between the second bending portion 43 and the mounting seat 11, avoid the joint of the bracket 40 from breaking, and prolong the service life of the bracket 40.

In the present embodiment, the bracket 40 is preferably used for a drive axle of a 5-ton to 9-ton class vehicle type.

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 (7)

1. The utility model provides a support that stabilizes of motor of bridge is driven to electricity, includes the bridge body of driving to electricity, sets up in the final drive at the bridge body middle part of driving to electricity and connects the motor on final drive, its characterized in that: a detachable support is further arranged between the rear end of the motor and the side wall of one end of the electric drive bridge body, the support is composed of an installation surface, a first bending portion and a second bending portion, the first bending portion and the second bending portion are respectively connected with the installation surface, the installation surface is of a three-fork shape, the number of the first bending portions is three, the first bending portions are respectively connected with three free ends of the three-fork shape of the installation surface, and the first bending portions are connected with the outer peripheral wall of the bottom of the rear end of the motor through connecting pieces; the second bending part is connected with the side wall of one end of the electric bridge body through a connecting piece.

2. The motor stabilizing bracket for an electric drive bridge of claim 1, wherein: the outer peripheral wall of the rear end of the motor is fixedly provided with three fixed seats, and each fixed seat is provided with a fixed hole; the side wall of one end of the electrically-driven bridge body close to the rear end face of the motor is also provided with a mounting seat, and the mounting seat is provided with a mounting hole; a first connecting hole corresponding to the fixing hole is formed in the first bending part of the bracket; and a second bending part of the bracket is provided with a second connecting hole corresponding to the mounting seat.

3. The motor stabilizing bracket for an electric drive bridge of claim 2, wherein: one of them setting in the fixing base is at the top of motor rear end periphery wall, and two other are the symmetry and set up the both sides at motor rear end periphery wall bottom.

4. The motor stabilizing bracket for an electric drive bridge of claim 2, wherein: still be equipped with the blotter between the second bending portion of support and the mount pad, the material of this blotter is rubber or polyurethane.

5. The motor stabilizing bracket of an electric drive bridge of claim 2, wherein: the bottom of mount pad extends to the second portion of bending direction and is equipped with the boss, the second portion of bending is placed on the boss.

6. Motor stabilizing bracket for electric drive bridges according to any of claims 1 or 2 or 3 or 4 or 5, characterized in that: the support is formed by integral punching.

7. The motor stabilizing bracket for an electric drive bridge of claim 1, wherein: the connecting piece is a bolt.

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