CN213937635U - Motor damping device - Google Patents

Abstract

The utility model discloses a motor damping device, which comprises a hub motor and fixed shafts arranged at two sides of the hub motor, wherein the hub motor is rotationally connected with the fixed shafts by taking the fixed shafts as shafts, and the fixed shafts are connected with a frame mounting frame; the frame mounting frame is characterized in that a mounting sleeve is fixedly arranged on the frame mounting frame, a wear-resistant ring is fixedly arranged in the mounting sleeve, a plurality of mounting holes are formed in the wear-resistant ring and are uniformly arranged along the circumferential direction of the wear-resistant ring, a buffer block is accommodated in each mounting hole and is fixed on the inner circumferential surface of the mounting sleeve, and one side surface of the buffer block facing the fixed shaft protrudes out of one side surface of the wear-resistant ring facing the fixed shaft and is abutted to the fixed shaft. The utility model has the advantages of simple and reasonable structure, convenient assembling can effectively reduce the vibrations that the motor received, improves the life of motor.

Description

Motor damping device

Technical Field

The utility model relates to a shock attenuation technical field especially relates to a motor damping device.

Background

Along with the propaganda and the social development of environmental protection, the use amount of electric motor car is bigger and bigger, and present electric motor car adopts wheel hub motor as the power supply of electric motor car mostly, and the electric motor car can produce vibrations at the in-process of traveling, and the vibrations of frame, the vibrations of wheel and motor itself can have resonant emergence, shakes too greatly and can cause adverse effect to the motor, influences the life of motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor damping device can effectively reduce the influence of the vibrations that the electric motor car in-process motor received.

Therefore, the technical scheme adopted by the utility model is to provide a motor damping device, which comprises a hub motor and fixed shafts arranged at two sides of the hub motor, wherein the hub motor is rotationally connected with the fixed shafts by taking the fixed shafts as shafts, and the fixed shafts are connected with a frame mounting frame; the frame mounting frame is characterized in that a mounting sleeve is fixedly arranged on the frame mounting frame, a wear-resistant ring is fixedly arranged in the mounting sleeve, a plurality of mounting holes are formed in the wear-resistant ring and are uniformly arranged along the circumferential direction of the wear-resistant ring, a buffer block is accommodated in each mounting hole and is fixed on the inner circumferential surface of the mounting sleeve, and one side surface of the buffer block facing the fixed shaft protrudes out of one side surface of the wear-resistant ring facing the fixed shaft and is abutted to the fixed shaft.

In an embodiment of the present invention, the buffer block includes opposite mounting side and protruding side, the mounting side is connected to the inner peripheral surface of the mounting sleeve, and the protruding side protrudes from the inner peripheral surface of the wear-resistant ring and abuts against the fixing shaft.

In an embodiment of the present invention, a plurality of mounting grooves are disposed on the outer peripheral surface of the fixing shaft, and the mounting grooves are disposed in one-to-one correspondence with the plurality of buffer blocks, each of the buffer blocks is inserted into the corresponding mounting groove from the convex side.

The utility model discloses an in one embodiment, still include two separation blades, two the separation blade is followed the axial interval of fixed axle sets up the both sides of installation sleeve pipe, two the separation blade respectively with the both sides butt of wear-resisting ring.

The utility model discloses an embodiment, the fixed axle includes first section and second section, the diameter of first section is greater than the diameter of second section, the one end of first section with in-wheel motor connects, the other end of first section with the second section is connected just first section with form the step face between the second section, one of them the separation blade butt in the step face.

The utility model discloses an in one embodiment, still include first nut, first nut threaded connection in the fixed axle is kept away from in-wheel motor's one end and butt in the separation blade.

In an embodiment of the utility model, still include the second nut, second nut threaded connection in the fixed axle just is located the first nut is kept away from one side of separation blade, the second nut is used for the butt the first nut.

The utility model discloses an useful part lies in:

be different from prior art, use the technical scheme of the utility model, during the in-service use, at the electric motor car in-process of traveling, the vibrations of frame have cut off the vibrations that have transmitted the motor from the frame through a plurality of buffer blocks in the installation sleeve pipe when transmitting the junction of frame mounting bracket and fixed axle, have effectively reduced the influence of the vibrations that the motor received. In addition, the fixed shaft can be supported through the wear-resisting ring in a hard mode, and the buffer block is prevented from deforming too much and the fixing effect of the fixed shaft is prevented from being poor. The utility model has the advantages of simple and reasonable structure, convenient assembling can effectively reduce the vibrations that the motor received, improves the life of motor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a motor damping device according to an embodiment of the present invention;

fig. 2 is an enlarged schematic view of the structure within the circle in fig. 1.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1-2, an embodiment of the present invention provides a motor damping device, which includes an in-wheel motor 1 and a fixing shaft 2 disposed on two sides of the in-wheel motor 1, the in-wheel motor 1 is rotatably connected to the fixing shaft 2 by using the fixing shaft 2 as a shaft, and the fixing shaft 2 is connected to a frame mounting frame 3. The frame mounting bracket 3 is fixedly provided with a mounting sleeve 4, a wear-resistant ring 6 is fixed in the mounting sleeve 4, a plurality of mounting holes are formed in the wear-resistant ring 6 and evenly arranged along the circumferential direction of the wear-resistant ring 6, a buffer block 7 is accommodated in each mounting hole, the buffer block 7 is fixed on the inner circumferential surface of the mounting sleeve 4, and one side surface of the buffer block 7 facing the fixed shaft 2 protrudes out of one side surface of the wear-resistant ring 6 facing the fixed shaft 2 and is abutted to the fixed shaft 2.

Above-mentioned motor damping device, during the in-service use, at the electric motor car in-process of traveling, the vibrations of frame have been cut off the vibrations that have been transmitted the motor from the frame through a plurality of buffer blocks 7 in the installation sleeve pipe 4 when transmitting the junction of frame mounting bracket 3 and fixed axle 2, have effectively reduced the influence of the vibrations that the motor received. In addition, the fixed shaft 2 can be supported firmly through the wear-resisting ring 6, and the fixing effect of the buffer block 7 on the fixed shaft 2 is prevented from being deteriorated due to too large deformation. The utility model has the advantages of simple and reasonable structure, convenient assembling can effectively reduce the vibrations that the motor received, improves the life of motor.

In the embodiment, the buffer block 7 includes opposite mounting side and protruding side, the mounting side is connected with the inner circumferential surface of the mounting sleeve 4, and the protruding side protrudes from the inner circumferential surface of the wear-resistant ring 6 and abuts against the fixed shaft 2.

The embodiment of the utility model provides an in, be provided with a plurality of mounting grooves on the outer peripheral face of fixed axle 2, a plurality of mounting grooves and the setting of a plurality of 7 one-to-ones of buffer block, the protrusion side of every buffer block 7 inserts in the mounting groove that corresponds. Thus, the fixed shaft 2 is prevented from rotating relative to the buffer block 7.

The embodiment of the utility model provides an in, motor damping device still includes two separation blades 5, and two separation blades 5 set up in the both sides of installing sleeve 4 along the axial interval of fixed axle 2, two separation blades 5 respectively with the both sides butt of wear ring 6. Thus, the two blocking pieces 5 can limit the wear-resisting ring 6 and prevent the wear-resisting ring 6 from moving along the axial direction of the fixed shaft 2.

The embodiment of the utility model provides an in, fixed axle 2 includes first section and second section, and the diameter of first section is greater than the diameter of second section, and the one end and the in-wheel motor 1 of first section are connected, and the other end and the second section of first section are connected and are formed the step face between first section and the second section, 5 butt of one of them separation blade in step face.

The embodiment of the utility model provides an in, motor damping device still includes first nut 8, and 8 threaded connection of first nut keeps away from in-wheel motor 1's one end and butt in separation blade 5 in fixed axle 2.

Further, the motor damping device further comprises a second nut 9, the second nut 9 is in threaded connection with the fixed shaft 2 and located on one side, away from the blocking piece 5, of the first nut 8, and the second nut 9 is used for abutting against the first nut 8. Thus, the first nut 8 can be prevented from loosening during vibration to cause unreliable mounting of the fixing shaft 2.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (7)

1. A motor damping device is characterized by comprising a hub motor and fixed shafts arranged on two sides of the hub motor, wherein the hub motor is rotatably connected with the fixed shafts by taking the fixed shafts as shafts, and the fixed shafts are connected with a frame mounting frame; the frame mounting frame is characterized in that a mounting sleeve is fixedly arranged on the frame mounting frame, a wear-resistant ring is fixedly arranged in the mounting sleeve, a plurality of mounting holes are formed in the wear-resistant ring and are uniformly arranged along the circumferential direction of the wear-resistant ring, a buffer block is accommodated in each mounting hole and is fixed on the inner circumferential surface of the mounting sleeve, and one side surface of the buffer block facing the fixed shaft protrudes out of one side surface of the wear-resistant ring facing the fixed shaft and is abutted to the fixed shaft.

2. The motor damping device according to claim 1, wherein the bumper includes opposite mounting sides connected to an inner circumferential surface of the mounting sleeve and protruding sides protruding from an inner circumferential surface of the wear ring and abutting against the fixed shaft.

3. The motor shock-absorbing device according to claim 2, wherein a plurality of mounting grooves are formed on an outer circumferential surface of the fixing shaft, the plurality of mounting grooves are formed in one-to-one correspondence with the plurality of buffer blocks, and the convex side of each buffer block is inserted into the corresponding mounting groove.

4. The motor damping device according to claim 1, further comprising two blocking pieces, wherein the two blocking pieces are arranged on two sides of the mounting sleeve at intervals along the axial direction of the fixed shaft, and the two blocking pieces are respectively abutted against two sides of the wear-resistant ring.

5. The motor damping device according to claim 4, wherein the fixing shaft includes a first section and a second section, the diameter of the first section is larger than that of the second section, one end of the first section is connected to the hub motor, the other end of the first section is connected to the second section, a step surface is formed between the first section and the second section, and one of the blocking pieces abuts against the step surface.

6. The motor damping device according to claim 4, further comprising a first nut, wherein the first nut is screwed to one end of the fixing shaft away from the in-wheel motor and abuts against the blocking piece.

7. The motor damping device according to claim 6, further comprising a second nut, wherein the second nut is screwed to the fixed shaft and located on a side of the first nut away from the blocking plate, and the second nut is used for abutting against the first nut.

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