CN216812571U - Speed reducer input shaft mounting structure - Google Patents
Speed reducer input shaft mounting structure Download PDFInfo
- Publication number
- CN216812571U CN216812571U CN202220346838.6U CN202220346838U CN216812571U CN 216812571 U CN216812571 U CN 216812571U CN 202220346838 U CN202220346838 U CN 202220346838U CN 216812571 U CN216812571 U CN 216812571U
- Authority
- CN
- China
- Prior art keywords
- input shaft
- motor shaft
- glass bead
- groove
- speed reducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a speed reducer input shaft mounting structure, and belongs to the field of speed reducers. Comprises an input shaft, a glass bead bolt and a motor shaft; the tail part of the input shaft is provided with an inner mounting hole for mounting a motor shaft, and the motor shaft is coaxially mounted in the inner mounting hole and is in key connection transmission with the input shaft; the excircle of the input shaft is provided with three threaded holes which are uniformly distributed in the circumferential direction and penetrate through the inner mounting hole; the glass bead bolt is arranged in the threaded hole; the excircle of the motor shaft is provided with a groove, and the glass beads in the glass bead bolts are abutted against the groove. The input shaft is tightly attached to the end face of the motor shaft by using the axial pressing force of the glass bead bolt, so that axial movement is avoided; the radial pressing force of the glass bead bolt is utilized to adjust the input shaft to jump, the problem of high noise is solved, the normal work of the speed reducer is ensured, and the service life is prolonged.
Description
Technical Field
The utility model relates to the field of speed reducers, in particular to an input shaft mounting structure of a speed reducer.
Background
The existing input shaft of the speed reducer is tensioned by a bolt at the tail part, the structure can not adjust the assembly jump of the input shaft, the installation rear shaft of the input shaft is large in jump, the noise is large due to the driving, the normal work of the speed reducer is influenced to a certain extent, and the input shaft can be damaged seriously.
Disclosure of Invention
In order to solve the problems of large installation run-out and large noise in working of the existing input shaft, the utility model designs a novel speed reducer input shaft installation structure, and adopts the following technical scheme:
an input shaft mounting structure of a speed reducer comprises an input shaft, a glass bead bolt and a motor shaft; the tail part of the input shaft is provided with an inner mounting hole for mounting a motor shaft, and the motor shaft is coaxially mounted in the inner mounting hole and is in key connection transmission with the input shaft;
the outer circle of the input shaft is provided with three threaded holes which are uniformly distributed in the circumferential direction, and the threaded holes penetrate through the inner mounting hole; the glass bead bolt is arranged in the threaded hole; a groove is formed in the outer circle of the motor shaft, and a glass bead in the glass bead bolt is abutted to the groove.
Preferably, the inner wall of the groove on the outer circle of the motor shaft is matched with the glass bead.
Preferably, the depth of the groove is 1/3-2/3 of the radius of the glass bead.
Preferably, the distance L1 between the threaded hole on the input shaft and the inner end surface of the mounting hole is slightly smaller than the distance L2 between the groove on the motor shaft and the end surface of the motor shaft.
In the present invention, the distance difference between L1 and L2 is preferably 0.1 to 0.3mm, more preferably 0.2 mm.
Preferably, the groove on the outer circle of the motor shaft is an annular groove.
Preferably, the axis of the threaded hole is perpendicular to the central axis of the motor shaft.
According to the utility model, the groove is additionally arranged on the motor shaft, the three threaded holes are uniformly distributed on the excircle of the input shaft, the glass bead bolt is clamped and locked on the groove of the motor shaft through the threaded holes, and the input shaft is tightly attached to the end surface of the motor shaft by using the axial pressing force of the glass bead bolt, so that the axial movement is avoided; the radial pressing force of the glass bead bolt is utilized to adjust the input shaft to jump, the problem of high noise is solved, the normal work of the speed reducer is ensured, and the service life is prolonged.
Drawings
Fig. 1 is a schematic view of a novel speed reducer input shaft mounting structure according to an embodiment of the utility model;
FIG. 2 is a schematic view of an input shaft configuration shown in an embodiment of the present invention;
FIG. 3 is a schematic view of a motor shaft configuration shown in an embodiment of the present invention;
in the figure: 1-input shaft, 2-glass bead bolt and 3-motor shaft.
Detailed Description
The following embodiments of the present invention are described in detail with reference to the accompanying drawings, and the embodiments and specific operations of the embodiments are provided on the premise of the technical solution of the present invention, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, the present embodiment shows a speed reducer input shaft mounting structure, which includes an input shaft 1, a bead bolt 2, and a motor shaft 3; the tail of the input shaft is provided with an inner mounting hole for mounting a motor shaft, and the motor shaft is coaxially mounted in the inner mounting hole and is in key connection transmission with the input shaft.
The excircle of the input shaft is provided with three threaded holes which are uniformly distributed in the circumferential direction, the threaded holes penetrate through the inner mounting hole, the axis of each threaded hole is perpendicular to the middle shaft of the motor shaft, and the glass bead bolts are mounted in the threaded holes; a groove is formed in the outer circle of the motor shaft, and a glass bead in the glass bead bolt is abutted to the groove.
The inner wall of a groove on the excircle of the motor shaft is matched with the glass beads, the depth of the groove is 1/3-2/3 of the radius of the glass beads, and every two of the three grooves are spaced by 120 degrees. For the convenience of installation, the groove on the outer circle of the motor shaft can be set as an annular groove.
As shown in fig. 2-3, the distance L1 between the threaded hole on the input shaft and the inner end surface of the mounting hole is slightly smaller than the distance L2 between the groove on the motor shaft and the end surface of the motor shaft, and the distance difference between L1 and L2 in this embodiment is 0.2mm, which corresponds to L in fig. 3 and L-0.2 in fig. 2 and is expressed in mm.
The installation process of the utility model is as follows:
the working end of a motor shaft extends into an inner mounting hole at the tail part of an input shaft of the speed reducer, and the working end and the inner mounting hole are in transmission connection in a traditional key connection mode; installing three glass bead bolts into the three threaded holes, wherein every two glass bead bolts are spaced by 120 degrees; simultaneously screwing the glass bead bolt, wherein the distance L1 between the threaded hole and the inner end surface of the mounting hole is slightly smaller than the distance L2 between the groove on the motor shaft and the end surface of the motor shaft, when the glass bead extends out of the threaded hole, the glass bead firstly contacts the inner wall of the left side of the groove shown in figure 1, and when the glass bead is continuously screwed downwards, the glass bead simultaneously gives an axial pressing force and a radial pressing force to the groove, the input shaft is tightly attached to the end surface of the motor shaft by using the axial pressing force of the glass bead bolt, namely, the inner end surface of the mounting hole is attached to the end surface of the motor shaft, and axial movement is avoided; the input shaft can be adjusted to jump by utilizing the radial pressing force of the glass bead bolts, if the input shaft is installed and jumped greatly, correct input shaft jumping can be found by adjusting the tightening force of the three glass bead bolts, the coaxiality error is controlled within an allowable range, noise can be effectively reduced, normal work of the speed reducer is guaranteed, and the service life is prolonged.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, but various changes and modifications within the scope of the claims by those skilled in the art are also included in the scope of the present invention.
Claims (7)
1. An input shaft mounting structure of a speed reducer is characterized by comprising an input shaft (1), a glass bead bolt (2) and a motor shaft (3); the tail part of the input shaft is provided with an inner mounting hole for mounting a motor shaft, and the motor shaft is coaxially mounted in the inner mounting hole and is in key connection transmission with the input shaft;
the outer circle of the input shaft is provided with three threaded holes which are uniformly distributed in the circumferential direction, and the threaded holes penetrate through the inner mounting hole; the glass bead bolt is arranged in the threaded hole; a groove is formed in the outer circle of the motor shaft, and a glass bead in the glass bead bolt is abutted to the groove.
2. The speed reducer input shaft mounting structure of claim 1, wherein an inner wall of the groove on the outer circle of the motor shaft is matched with the glass bead.
3. The speed reducer input shaft mounting structure of claim 1, wherein the depth of the groove is 1/3-2/3 of the radius of the bead.
4. The input shaft mounting structure of the speed reducer according to claim 1, wherein a distance L1 between the threaded hole on the input shaft and the inner end surface of the mounting hole is slightly smaller than a distance L2 between the groove on the motor shaft and the end surface of the motor shaft.
5. The reducer input shaft mounting structure according to claim 4, wherein the distance difference between L1 and L2 is 0.1-0.3 mm.
6. The speed reducer input shaft mounting structure according to claim 1, wherein the groove on the outer circumference of the motor shaft is an annular groove.
7. The speed reducer input shaft mounting structure of claim 1, wherein an axis of the threaded hole is perpendicular to a central axis of a motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220346838.6U CN216812571U (en) | 2022-02-21 | 2022-02-21 | Speed reducer input shaft mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220346838.6U CN216812571U (en) | 2022-02-21 | 2022-02-21 | Speed reducer input shaft mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216812571U true CN216812571U (en) | 2022-06-24 |
Family
ID=82041034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220346838.6U Active CN216812571U (en) | 2022-02-21 | 2022-02-21 | Speed reducer input shaft mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216812571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752940A (en) * | 2023-08-23 | 2023-09-15 | 克拉玛依市圣起钻采设备有限责任公司 | Beam-free mechanical reversing type pumping unit |
-
2022
- 2022-02-21 CN CN202220346838.6U patent/CN216812571U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752940A (en) * | 2023-08-23 | 2023-09-15 | 克拉玛依市圣起钻采设备有限责任公司 | Beam-free mechanical reversing type pumping unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216812571U (en) | Speed reducer input shaft mounting structure | |
| CN107127399B (en) | Novel saw blade connecting structure of sawing machine and manufacturing method thereof | |
| CN201475184U (en) | Ready-packaged braking-wheel coupling | |
| CN213332270U (en) | Harmonic speed reducer | |
| CN202877610U (en) | Installation structure for serial milling cutter disc | |
| CN202431699U (en) | Wheel bolt with double locking function | |
| CN201300557Y (en) | Flywheel bearing for straight side press | |
| CN215567421U (en) | Improved lathe transmission shaft coupling | |
| CN214036781U (en) | Main reducer flange structure, main reducer assembly and automobile | |
| CN110171778B (en) | Slewing bearing mechanism of automobile crane | |
| CN116921998A (en) | Combined tension chain wheel and manufacturing method and assembly method thereof | |
| CN218718293U (en) | Shaft coupling convenient to spacing | |
| CN219406771U (en) | Steering knuckle of motorcycle | |
| CN219432086U (en) | Low-power consumption silicone oil fan assembly | |
| CN219221087U (en) | Automobile universal joint | |
| CN219802073U (en) | Axle sleeve and belt pulley package assembly suitable for automobile alternating current generator | |
| CN220416032U (en) | Connection structure of new forms of energy high-speed drive motor rack | |
| CN220715956U (en) | Flywheel mounting structure of jaw crusher | |
| CN216305923U (en) | Major diameter shield constructs blade disc drive installation guiding mechanism | |
| CN215334301U (en) | Multi-tooth belt pulley for assembling with connecting shaft | |
| CN203500233U (en) | Reinforced radial positioning combined double-pad movable screw nut gasket assembly | |
| CN216292080U (en) | Flail knife roller and residual film recycling machine | |
| CN220006643U (en) | Tooth extrusion cutter bar for processing large-modulus spline | |
| CN218257535U (en) | Combined type automobile wheel gasket | |
| CN210196448U (en) | Semi-axis seal structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317600 Yucheng street, Yuhuan City, Taizhou, Zhejiang. Patentee after: Zhejiang Huandong Robot Joint Technology Co.,Ltd. Address before: 317600 Yucheng street, Yuhuan City, Taizhou, Zhejiang. Patentee before: Zhejiang environmental Robot Joint Technology Co.,Ltd. |