CN217216245U - Axle installation component, drive assembly and vehicle - Google Patents
Axle installation component, drive assembly and vehicle Download PDFInfo
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- CN217216245U CN217216245U CN202123446689.5U CN202123446689U CN217216245U CN 217216245 U CN217216245 U CN 217216245U CN 202123446689 U CN202123446689 U CN 202123446689U CN 217216245 U CN217216245 U CN 217216245U
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- 238000009434 installation Methods 0.000 title claims abstract description 33
- 210000004907 gland Anatomy 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The application provides a shaft mounting component, a driving assembly and a vehicle, wherein a mounting part and a bearing gland are matched with each other, wherein a first mounting hole for a rotating shaft to pass through is formed in the mounting part; the matching part is detachably connected with the mounting part and provided with a second mounting hole which is used for the rotating shaft to pass through and corresponds to the first mounting hole; the second mounting hole comprises a first bearing mounting hole which is arranged at one end close to the mounting part and used for being mounted with an outer ring of a bearing in a matched mode. Therefore, the structure is simple to disassemble and assemble, the installation difficulty and the manufacturing precision can be reduced, and the working efficiency is improved.
Description
Technical Field
The application relates to the technical field of motor installation, in particular to a shaft installation component, a drive assembly and a vehicle.
Background
The application of the unmanned vehicle in various industries is older and wider, the unmanned vehicle is more commonly operated by utilizing motor driving equipment, an integral support is generally adopted for mounting the existing motor, a bearing for supporting a transmission shaft is fixed in the support, and an output shaft of the motor is generally connected with the transmission shaft for operating the driving equipment by adopting a coupling.
Because the coaxiality requirement of the output shaft of the motor and the transmission shaft is higher, the traditional installation mode has higher requirements on installation precision and manufacturing precision, and the assembly and disassembly are time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiments of the present application are directed to providing an axle mounting assembly, a driving assembly and a vehicle, so as to solve the problems of difficult installation and high requirement for manufacturing precision.
A first aspect discloses an axle mounting assembly, comprising:
the support comprises a fixing part for fixing the support and an installation part fixed on the fixing part, and a first installation hole for a rotating shaft to pass through is formed in the installation part; the bearing gland is detachably connected to the mounting part and provided with a second mounting hole which is used for the rotating shaft to pass through and corresponds to the first mounting hole; the second mounting hole comprises a first bearing mounting hole which is arranged at one end close to the mounting part and used for being mounted with an outer ring of a bearing in a matched mode.
Furthermore, be provided with on the bearing gland and be located keeping away from of first bearing mounting hole the first spacing portion of the one end of installation department, first spacing portion is used for right the outer lane of bearing is keeping away from one side of installation department is spacing.
Further, a second limiting part used for limiting the outer ring of the bearing on one side close to the mounting part is formed at the edge of the mounting part surrounding the first mounting hole; or, first mounting hole include be close to bearing gland's one end set up be used for with the second bearing mounting hole of the outer lane cooperation installation of bearing, be provided with on the installation department and be located keeping away from of second bearing mounting hole the spacing portion of second of bearing gland's one end, the spacing portion of second is right the outer lane of bearing is keeping away from one side of bearing gland is spacing.
A second aspect discloses a drive assembly, wherein the drive assembly comprises a motor, a rotating shaft, a bearing and the shaft mounting component;
the mounting part of the support is connected with a shell of the motor, one end of the rotating shaft is connected with a driving shaft of the motor, and the other end of the rotating shaft penetrates through the first mounting hole of the mounting part and the second mounting hole of the bearing gland; the bearing is located between the mounting part and the bearing gland, the inner ring of the bearing is installed in a matched mode with the rotating shaft, and at least part of the outer ring of the bearing is installed in a matched mode with the first bearing mounting hole.
Furthermore, a stopping part is arranged on the rotating shaft, and the stopping part limits the inner ring of the rotating shaft on one side facing the mounting part.
Furthermore, the rotating shaft is provided with a driving wheel capable of synchronously rotating with the rotating shaft and a locking component which is arranged on one side of the driving wheel, which is far away from the bearing, and prevents the driving wheel from being separated from the rotating shaft.
Furthermore, one end of the driving wheel, which faces the bearing, is arranged to limit the inner ring of the bearing on one side of the inner ring, which faces away from the mounting part.
Furthermore, the locking component is a locking nut in threaded fit with the rotating shaft.
Further, the rotating shaft is connected with the driving shaft of the motor in a spline fit mode.
A third aspect discloses a vehicle comprising a drive assembly as described above
In the embodiment of the application, the shaft mounting assembly is provided to comprise a support with a mounting part and a bearing gland matched with the mounting part of the support, wherein the mounting part is provided with a first mounting hole for a rotating shaft to pass through; the bearing gland is detachably connected to the mounting part and provided with a second mounting hole which is used for the rotating shaft to pass through and corresponds to the first mounting hole; the second mounting hole comprises a first bearing mounting hole which is arranged at one end close to the mounting part and used for being mounted with an outer ring of a bearing in a matched mode. Therefore, the structure is simple to disassemble and assemble, the installation difficulty and the manufacturing precision can be reduced, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a shaft mounting assembly according to an embodiment of the present disclosure.
Fig. 2 is an enlarged view of the bearing cap in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In a first aspect, there is provided an axle mounting assembly, as shown in fig. 1, comprising: the support comprises a support 1, wherein the support 1 comprises a fixing part 11 for fixing the support and an installation part 12 fixed on the fixing part 11, and the installation part 12 is provided with a first installation hole 121 for the rotating shaft 3 to pass through; a bearing cover 13, wherein the bearing cover 13 is detachably connected to the mounting portion 12, and the bearing cover 13 is provided with a second mounting hole 131 corresponding to the first mounting hole 121 for the rotating shaft 3 to pass through; wherein the second mounting hole 131 comprises a first bearing mounting hole 132 provided near one end of the mounting portion 12 for fitting with an outer race of the bearing 2.
In the technical scheme that this application provided, through set up the first bearing mounting hole that is used for installing bearing 2 on bearing cover 13, can make things convenient for the dismouting of bearing 2. During installation, the bearing 2 may be first pressed into the first bearing mounting hole 132 of the bearing cover 13, and then the bearing cover 13 may be coupled to the mounting portion 12. After bearing cover 13 is detached from support 1 during detachment, bearing 2 can be directly taken down, so that compared with the mode that bearing 2 is installed on support 1 in the prior art, the difficulty in detachment is greatly reduced, the manufacturing precision can be reduced, and the production efficiency is improved.
Optionally, the bearing gland 13 is provided with a first limiting portion located at one end of the first bearing mounting hole 132, which is away from the mounting portion 12, and the first limiting portion is used for limiting the outer ring of the bearing 2 at one side away from the mounting portion 12. As shown in fig. 2, the second mounting hole 131 includes a first hole with a large diameter at one end close to the mounting portion 12 and a second hole opposite to the first hole, the first hole is far away from the mounting portion 12, and the diameter of the second hole is smaller than that of the first hole, the first hole is used for mounting the bearing 2, and a first limiting portion for limiting the outer ring of the bearing 2 is formed by a step between the first hole and the second hole. The first stopper restricts the limit position of the bearing 2 to the side away from the mounting portion 12.
In one embodiment, the edge of the mounting portion 12 surrounding the first mounting hole 121 forms a second stopper portion for stopping the outer race of the bearing 2 on a side close to the mounting portion 12; as shown in fig. 1, the bearing 2 is mounted in the first bearing mounting hole 132, and the mounting portion 12 abuts on the outer ring of the bearing 2 by the edge surrounding the first mounting hole 121, so as to limit the limit of the bearing 2 in the direction away from the bearing cover 13. That is, the bearing 2 is completely mounted in the first bearing mounting hole 132 of the bearing cover 13, and the outer race of the bearing 2 on the bearing cover 13 is restrained by the outer edge of the mounting portion 12. Thus, the outer ring of the bearing 2 can be fixed under the action force in the axial direction, and at this time, the fit between the outer ring of the bearing 2 and the inner surface of the first bearing mounting hole 132 is lower than the requirement of ordinary mounting, so that the operation requirement can be met, and the mounting efficiency can be improved.
In another embodiment, the first mounting hole 121 includes a second bearing mounting hole disposed near one end of the bearing cover 13 and used for being mounted in cooperation with the outer ring of the bearing 2, the mounting portion 12 is provided with a second limiting portion located at one end of the second bearing mounting hole far away from the bearing cover 13, and the second limiting portion limits the outer ring of the bearing 2 at one side far away from the bearing cover 13, which is not shown in the drawings. In this manner, the bearing mounting holes to which the bearing 2 is mounted include the first bearing mounting hole 132 provided on the bearing cover 13 and the second bearing mounting hole provided on the mounting portion 12. That is, in this embodiment, in the mounted state, a part of the bearing 2 is located in the first bearing mounting hole 132, and the other part is located in the second bearing mounting hole.
The second bearing mounting hole includes and is being close to the great third hole of diameter and relative of the one end of bearing cover 13 the installation department 12 is kept away from to the third hole and the diameter is less than relatively the fourth hole of third hole, the third hole is for being used for the installation the second bearing mounting hole of bearing 2, the step between third hole and the fourth hole form to the outer lane of bearing 2 carries out spacing portion of second.
A second aspect provides a drive assembly comprising a motor 6, a shaft 3 and a bearing 2 and the above-described shaft mounting assembly; wherein, the mounting part 12 of the support 1 is connected with the housing of the motor 6, one end of the rotating shaft 3 is connected with the driving shaft of the motor 6, and the other end passes through the first mounting hole 121 of the mounting part 12 and the second mounting hole 131 of the bearing gland 13; the bearing 2 is located between the mounting portion 12 and the bearing gland 13, the inner ring of the bearing 2 is installed in cooperation with the rotating shaft 3, and at least part of the outer ring of the bearing 2 is installed in cooperation with the first bearing mounting hole 132. The driving assembly comprises the shaft mounting assembly, and besides the advantages, the driving shaft of the motor 6 and the rotating shaft 3 are coaxially mounted, so that the driving assembly is compact in structure and particularly suitable for unmanned vehicles with high requirements on flexibility. As shown in fig. 1, in an embodiment of connecting the motor 6 and the mounting portion 12, the housing of the motor 6 has a mounting end directed to the mounting portion 12, the driving shaft of the motor 6 vertically passes through the end surface, and the tail portion of the motor 6 is suspended, so that when the motor 6 is mounted, the driving shaft of the motor 6 and the rotating shaft 3 can be coaxial by aligning and connecting the mounting end and the mounting portion 12. This arrangement makes it simple and quick to center the drive shaft of the motor 6 and the axis of the shaft 3. The installation efficiency is greatly improved. Moreover, due to this form of mounting, the rotary shaft 3 can be made shorter, making the shaft mounting assembly more compact.
Optionally, a stopping portion is arranged on the rotating shaft 3, and the stopping portion limits the inner ring of the rotating shaft 3 on one side facing the mounting portion 12. The arrangement axially limits the inner ring of the bearing 2, prevents the bearing 2 from being subjected to the action of bending moment due to vibration and the like in the rotating process of the motor 6, prolongs the service life, reduces the time for assembling and disassembling the rotating shaft 3 and the bearing 2 and protects the bearing 2. In an embodiment, see fig. 1, the stop is provided as a shoulder 31 protruding radially outwards along the outer circumference of the shaft 3. The rotating shaft 3 comprises a first cylinder 32 and a second cylinder 33 which are axially arranged, the shoulder 31 is arranged on the outer surface of the first cylinder 32, and the inner ring of the bearing 2 is sleeved on the outer surface of the first cylinder 32 and is positioned between the shoulder 31 and the second cylinder 33.
Optionally, a driving wheel 5 capable of rotating synchronously with the rotating shaft 3 and a locking component 4 arranged on one side of the driving wheel 5 away from the bearing 2 and used for preventing the driving wheel 5 from being separated from the rotating shaft 3 are arranged on the rotating shaft 3.
Optionally, drive wheel 5's orientation the one end of bearing 2 sets up to right the inner circle of bearing 2 is deviating from one side of installation department 12 is spacing, of course, also can not adopt drive wheel 5 to carry on spacingly to the inner circle of bearing 2, for example the mode of loading the elasticity retaining ring again on pivot 3 is spacing, nevertheless adopts drive wheel and locking part 4 to carry out the spacing mode of the inner circle of bearing 2, utilizes locking part 4 and drive wheel 5 from keeping away from one side of installation department 12 and the inseparable connection of shoulder 31 cooperation with the inner circle of bearing 2 and pivot 3 together. The structure is convenient to disassemble and assemble, after the locking part 4 is disassembled, the driving wheel 5 can be taken down from the rotating shaft 3, the bearing gland 13 is disassembled from the support 1, then the rotating shaft 3 is separated from the driving shaft of the motor, the disassembly is very convenient, the bearing 2 can be reliably fixed at a set position, and the coaxiality of the driving shaft of the bearing 2, the rotating shaft 3 and the motor 6 can be ensured under the condition of lower processing precision than that of the traditional installation form. The driving wheel 5 may be a sprocket, a gear, a road wheel, or any other component that needs to be driven by the motor 6.
Alternatively, the locking member 4 is a locking nut that is screwed with the rotating shaft 3. Adopt the locking nut not only to be favorable to reducing purchasing cost but also can reach the purpose of locking, and is economical and practical.
Alternatively, the rotating shaft 3 and the driving shaft of the motor 6 are connected by spline fitting. Through setting up splined connection, the installation with demolish more swiftly, dismantle the back from support 1 at bearing cover 13, this pivot 3 of axial displacement can make pivot 3 break away from the drive shaft of motor, moreover because splined connection, the drive shaft of motor 6 and pivot 3 allow certain removal in the axial to make the installation simple.
Optionally, the drive assembly includes a rubber pad 7 mounted at the rear of the motor 6 to absorb shock and thereby protect the motor 6.
A third aspect provides a vehicle comprising a drive assembly as described above. The vehicle has the technical advantages of the drive assembly, and the details are not repeated.
The term "and/or" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, which may mean: a exists singly, A and B exist simultaneously, and B exists singly, wherein A and B can be singular or plural. In addition, the "/" in this document generally indicates that the former and latter associated objects are in an "or" relationship, but may also indicate an "and/or" relationship, which may be understood with particular reference to the former and latter text.
In this application, "at least one" means one or more, "a plurality" means two or more. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.
It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modifications, equivalents and the like that are within the spirit and principle of the present application should be included in the scope of the present application.
Claims (10)
1. An axle mounting assembly, comprising:
the support comprises a fixing part for fixing the support and an installation part fixed on the fixing part, and a first installation hole for the rotating shaft to pass through is formed in the installation part;
the bearing gland is detachably connected to the mounting part and provided with a second mounting hole which is used for the rotating shaft to pass through and corresponds to the first mounting hole; the second mounting hole comprises a first bearing mounting hole which is arranged at one end close to the mounting part and used for being mounted with an outer ring of a bearing in a matched mode.
2. The shaft mounting assembly according to claim 1, wherein the bearing gland is provided with a first limiting portion at an end of the first bearing mounting hole away from the mounting portion, and the first limiting portion is used for limiting a side of an outer ring of the bearing away from the mounting portion.
3. The shaft mounting assembly according to claim 1, wherein an edge of the mounting portion around the first mounting hole forms a second stopper portion for stopping an outer race of the bearing on a side close to the mounting portion;
or, first mounting hole include be close to bearing gland's one end set up be used for with the second bearing mounting hole of the outer lane cooperation installation of bearing, be provided with on the installation department and be located keeping away from of second bearing mounting hole the spacing portion of second of bearing gland's one end, the spacing portion of second is right the outer lane of bearing is keeping away from one side of bearing gland is spacing.
4. A drive assembly, characterized in that the drive assembly comprises an electric motor, a rotating shaft, a bearing and a shaft mounting component according to any one of claims 1-3;
the mounting part of the support is connected with a shell of the motor, one end of the rotating shaft is connected with a driving shaft of the motor, and the other end of the rotating shaft penetrates through the first mounting hole of the mounting part and the second mounting hole of the bearing gland; the bearing is located between the mounting part and the bearing gland, the inner ring of the bearing is installed in a matched mode with the rotating shaft, and at least part of the outer ring of the bearing is installed in a matched mode with the first bearing mounting hole.
5. The drive assembly as claimed in claim 4, wherein the shaft is provided with a stop portion, and the stop portion limits the inner ring of the shaft on a side facing the mounting portion.
6. A drive assembly according to claim 4, wherein the shaft is provided with a drive wheel which is rotatable synchronously with the shaft and a locking member which prevents the drive wheel from disengaging from the shaft is provided on the side of the drive wheel facing away from the bearing.
7. A drive assembly according to claim 6, wherein the end of the drive wheel facing the bearing is arranged to locate the inner race of the bearing on a side facing away from the mounting portion.
8. The drive assembly as set forth in claim 6 wherein said locking member is a lock nut threadedly engaged with said shaft.
9. The drive assembly as claimed in any one of claims 4 to 8, wherein the shaft is in splined engagement with the drive shaft of the motor.
10. A vehicle, characterized in that it comprises a drive assembly according to any one of claims 4-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123446689.5U CN217216245U (en) | 2021-12-30 | 2021-12-30 | Axle installation component, drive assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123446689.5U CN217216245U (en) | 2021-12-30 | 2021-12-30 | Axle installation component, drive assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217216245U true CN217216245U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123446689.5U Active CN217216245U (en) | 2021-12-30 | 2021-12-30 | Axle installation component, drive assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217216245U (en) |
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2021
- 2021-12-30 CN CN202123446689.5U patent/CN217216245U/en active Active
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