CN216768070U - High-strength motor-driven rotating shaft - Google Patents
High-strength motor-driven rotating shaft Download PDFInfo
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- CN216768070U CN216768070U CN202122814742.6U CN202122814742U CN216768070U CN 216768070 U CN216768070 U CN 216768070U CN 202122814742 U CN202122814742 U CN 202122814742U CN 216768070 U CN216768070 U CN 216768070U
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- lifting
- rotating shaft
- pivot
- groove
- rectangular groove
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Abstract
The utility model discloses a high-strength motor-driven rotating shaft, which comprises a second rotating shaft and is characterized in that a first rotating shaft and a third rotating shaft are respectively and fixedly installed at the left end and the right end of the second rotating shaft, the upper part of the outer surface of the first rotating shaft is provided with an opening, a lifting part is arranged in the opening, the lower part of the outer surface of the first rotating shaft is provided with a groove, a fixing part is arranged in the groove, the middle part of the outer surface of the first rotating shaft is provided with a key groove, a lifting plate is arranged in the key groove, the upper end of the lifting plate is provided with two bolt holes which are symmetrical to each other, the internal structure of the third rotating shaft is the same as that of the first rotating shaft, the utility model realizes the purpose of adjusting the gap between a flat key and a shaft through the lifting part and the fixing part, in addition, an iron hammer is not needed to be used for knocking during installation, the flat key can be tightly fixed in the key groove, and the structure is simple, the practicability is strong, and the popularization and the application of the motor driving rotating shaft are facilitated.
Description
Technical Field
The utility model relates to the technical field of high-strength motor rotating shafts, in particular to a high-strength motor driving rotating shaft.
Background
The transmission shaft is a rotating body with high rotating speed and few supports, so the dynamic balance of the transmission shaft is crucial, a general transmission shaft needs to be subjected to a dynamic balance test before leaving a factory and is adjusted on a balancing machine, the rotation of a transmission is transmitted to a shaft of a main speed reducer for a vehicle driven by a front engine and a rear wheel, the transmission shaft can be provided with a plurality of joints, and the joints can be connected through universal joints.
There is this clearance between the flat key of the inside of keyway of traditional pivot and the axle, likes to use the hammer to strike the pivot with the workman when installing, easily causes the damage of pivot to and the flat key easily removes in the keyway, consequently needs to come the motor drive pivot of a high strength to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a high-strength motor-driven rotating shaft capable of adjusting a gap between a flat key and a shaft, and the flat key can be tightly fixed in a key groove, and has a simple structure.
The technical scheme of the utility model is as follows:
the utility model provides a motor drive pivot of high strength, includes the second pivot, second pivot left end and right-hand member fixed mounting have first pivot and third pivot respectively, the trompil has been seted up on first pivot surface upper portion, be provided with lifting unit in the trompil, first pivot surface lower part is seted up flutedly, be provided with fixed part in the recess, the keyway has been seted up at first pivot surface middle part, the inside lifter plate that is provided with of keyway, two mutual symmetrical bolt holes have been seted up to the lifter plate upper end, third pivot inner structure is the same with first pivot inner structure.
The working principle of the technical scheme is as follows:
the lifting bolt is rotated forwards by the screwdriver again, so that the lifting nut on the surface of the lifting bolt moves upwards, one end of the lifting nut drives the lifting plate to move downwards by the screw rod, the flat key also moves downwards, the other end of the lifting nut aligns with the flat key and is inserted into the flat key, the lifting bolt is rotated forwards by the screwdriver again, and the lifting nut on the surface of the lifting bolt moves upwards, one end of the lifting nut drives the lifting plate to move upwards by the screw rod, and simultaneously, the flat key also moves upwards to ensure that no gap exists between the flat key and the key groove part of the other shaft, and then the fixing nut is screwed down.
In a further technical scheme, a first rectangular groove is formed between the opening and the groove, a second rectangular groove is formed in the right part of the first rectangular groove, a circular groove is formed in the lower part of the opening, and a third rectangular groove is formed in the inner wall of the opening.
The connecting plate can be provided with a space for moving up and down by arranging the rectangular groove.
In a further technical scheme, the lifting component comprises a lifting bolt, one end of the lifting bolt is provided with a rotating platform, the rotating platform is installed in a circular groove, a lifting nut is sleeved on the outer surface of the lifting bolt in a threaded mode, and the lifting nut is installed in a third rectangular groove.
The lifting bolt can drive the lifting plate to move up and down.
In a further technical scheme, the fixing part comprises a screw rod, the screw rod is installed in the first rectangular groove, a fixing nut is sleeved on the outer surface of the screw rod in a threaded mode, and the fixing nut is in close contact with the outer surface of the first rotating shaft.
The screw rod can be fixed and can not move by arranging the fixing nut.
In a further technical scheme, the middle part of the outer surface of the screw rod is sleeved with a connecting block, the connecting block is positioned in the second rectangular groove, and the other end of the connecting block is connected with the lifting plate.
The lifting plate can drive the flat key to move up and down.
In a further technical scheme, one end of the screw is connected with a lifting nut.
The lifting nut can be used for adjusting the position.
The utility model has the beneficial effects that:
1. the lifting bolt is rotated forwards by the screwdriver again, so that the lifting nut on the surface of the lifting bolt moves upwards, one end of the lifting nut drives the lifting plate to move downwards by the screw rod, the flat key also moves downwards, the other end of the lifting nut aligns with the flat key and is inserted into the flat key, the lifting bolt is rotated forwards by the screwdriver again, and the lifting nut on the surface of the lifting bolt moves upwards, one end of the lifting nut drives the lifting plate to move upwards by the screw rod, meanwhile, the flat key also moves upwards, so that no gap exists between the flat key and the key groove part of the other shaft, and then the fixing nut is screwed down;
2. the rectangular groove is arranged, so that the connecting plate can have a space for moving up and down;
3. the lifting bolt can drive the lifting plate to move up and down;
4. the screw can be fixed and can not move by arranging the fixing nut;
5. the lifting plate can drive the flat key to move up and down;
6. the lifting nut can be used for adjusting the position.
Drawings
Fig. 1 is a schematic view of an overall structure of a high-strength motor-driven rotating shaft according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a first rotating shaft according to an embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of the lifting member according to the embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of an opening according to an embodiment of the utility model.
Description of reference numerals:
1. a first rotating shaft; 2. a second rotating shaft; 3. a third rotating shaft; 4. a keyway; 5. opening a hole; 6. a lifting member; 7. a groove; 8. a fixing member; 9. bolt holes; 10. a lifting plate; 11. a first rectangular groove; 12. a second rectangular groove; 61. a lifting bolt; 62. a rotating table; 63. a lifting nut; 64. a third rectangular groove; 65. a circular groove; 81. a screw; 82. fixing a nut; 83. and (4) connecting the blocks.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings.
Example (b):
as shown in fig. 1-4, a high-strength motor-driven rotating shaft, includes a second rotating shaft 2, a first rotating shaft 1 and a third rotating shaft 3 are respectively fixedly mounted at the left end and the right end of the second rotating shaft 2, an opening 5 is provided on the upper portion of the outer surface of the first rotating shaft 1, a lifting component 6 is provided in the opening 5, a groove 7 is provided on the lower portion of the outer surface of the first rotating shaft 1, a fixing component 8 is provided in the groove 7, a key groove 4 is provided in the middle portion of the outer surface of the first rotating shaft 1, a lifting plate 10 is provided inside the key groove 4, two bolt holes 9 symmetrical to each other are provided on the upper end of the lifting plate 10, and the internal structure of the third rotating shaft 3 is the same as the internal structure of the first rotating shaft 1.
The working principle of the technical scheme is as follows:
the clearance between a flat key and another shaft is adjusted by arranging the lifting part 6, the fixing part 8 and the bolt hole 9 to be matched together, the flat key can be easily sleeved into the outer surface of the first rotating shaft 1 without knocking the rotating shaft by using an iron hammer during installation, the flat key can be tightly fixed in the key groove 4, the flat key is placed in the key groove 4, the flat key is fixedly connected with the lifting plate 10 through the bolt hole 9 by using a bolt, the fixing nut 82 is loosened, the lifting bolt 61 is reversely rotated by using a screwdriver, the lifting nut 63 on the surface of the lifting bolt 61 is moved downwards, one end of the lifting nut 63 drives the lifting plate 10 to move downwards through the screw 81, meanwhile, the flat key also moves downwards, then the other end of the lifting nut 63 is inserted into the flat key in alignment with the key groove part of the rotating shaft, the lifting bolt 61 is forwardly rotated by using the screwdriver again, the lifting nut 63 on the surface of the lifting bolt 61 is moved upwards, one end of the lifting nut 63 drives the lifting plate 10 to move upwards through the screw 81, at the same time, the flat key is also moved upward so that there is no space between the flat key and the key groove portion of the other shaft, and then the fixing nut 82 is tightened.
In another embodiment, a first rectangular groove 11 is formed between the opening 5 and the groove 7, a second rectangular groove 12 is formed in the right portion of the first rectangular groove 11, a circular groove 65 is formed in the lower portion of the opening 5, a third rectangular groove 64 is formed in the inner wall of the opening 5, and the rectangular groove 12 is formed to allow the connecting plate 83 to have a space for moving up and down.
In another embodiment, the lifting member 6 includes a lifting bolt 61, one end of the lifting bolt 61 is provided with a rotating table 62, the rotating table 62 is installed in a circular groove 65, a lifting nut 63 is screwed on the outer surface of the lifting bolt 61, the lifting nut 63 is installed in a third rectangular groove 64, and the lifting bolt 61 is arranged to drive the lifting plate 10 to move up and down.
In another embodiment, the fixing member 8 includes a screw 81, the screw 81 is installed in the first rectangular groove 11, the outer surface of the screw 81 is threaded with a fixing nut 82, the fixing nut 82 is in close contact with the outer surface of the first rotating shaft 1, and the screw 81 can be fixed and cannot move by the fixing nut 82.
In another embodiment, a connecting block 83 is sleeved in the middle of the outer surface of the screw 81, the connecting block 83 is located in the second rectangular groove 12, the other end of the connecting block 83 is connected with the lifting plate 10, and the lifting plate 10 can drive the flat key to move up and down.
In another embodiment, the screw 81 is connected to the lifting nut 63 at one end, and the lifting nut 63 is arranged to adjust the position.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (6)
1. The utility model provides a motor drive pivot of high strength, includes the second pivot, its characterized in that, second pivot left end and right-hand member fixed mounting have first pivot and third pivot respectively, the trompil has been seted up on first pivot surface upper portion, be provided with lifting unit in the trompil, first pivot surface lower part is seted up flutedly, be provided with fixing unit in the recess, the keyway has been seted up at first pivot surface middle part, the inside lifter plate that is provided with of keyway, two mutual symmetry's bolt hole has been seted up to the lifter plate upper end, third pivot inner structure is the same with first pivot inner structure.
2. The high-strength motor-driven rotating shaft according to claim 1, wherein a first rectangular groove is formed between the opening and the groove, a second rectangular groove is formed at the right part of the first rectangular groove, a circular groove is formed at the lower part of the opening, and a third rectangular groove is formed on the inner wall of the opening.
3. The high-strength motor-driven rotating shaft according to claim 2, wherein the lifting component comprises a lifting bolt, a rotating table is arranged at one end of the lifting bolt, the rotating table is installed in a circular groove, a lifting nut is screwed on the outer surface of the lifting bolt, and the lifting nut is installed in a third rectangular groove.
4. A high strength motor driven spindle as claimed in claim 2 in which the fixing means comprises a screw rod mounted in the first rectangular groove, and a fixing nut is threaded onto the outer surface of the screw rod and is in close contact with the outer surface of the first spindle.
5. The high-strength motor-driven rotating shaft according to claim 4, wherein a connecting block is sleeved in the middle of the outer surface of the screw rod and located in the second rectangular groove, and the other end of the connecting block is connected with the lifting plate.
6. A high strength motor driven spindle as claimed in claim 4 in which one end of the screw is connected to a lifting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122814742.6U CN216768070U (en) | 2021-11-17 | 2021-11-17 | High-strength motor-driven rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122814742.6U CN216768070U (en) | 2021-11-17 | 2021-11-17 | High-strength motor-driven rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216768070U true CN216768070U (en) | 2022-06-17 |
Family
ID=81963496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122814742.6U Active CN216768070U (en) | 2021-11-17 | 2021-11-17 | High-strength motor-driven rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216768070U (en) |
-
2021
- 2021-11-17 CN CN202122814742.6U patent/CN216768070U/en active Active
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