CN218625335U - Sealing and lubricating structure of motor gear shaft - Google Patents
Sealing and lubricating structure of motor gear shaft Download PDFInfo
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- CN218625335U CN218625335U CN202222992552.8U CN202222992552U CN218625335U CN 218625335 U CN218625335 U CN 218625335U CN 202222992552 U CN202222992552 U CN 202222992552U CN 218625335 U CN218625335 U CN 218625335U
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- motor gear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a sealing and lubricating structure of a motor gear shaft, which comprises a front fixing mechanism, a rear fixing mechanism and a motor gear shaft; a first mounting cavity is formed in the front fixing mechanism; a second mounting cavity is formed in the rear fixing mechanism; the front end of the motor gear shaft is hermetically and rotatably connected into the first mounting cavity through a first bearing, and the rear end of the motor gear shaft is hermetically and rotatably connected into the second mounting cavity through a second bearing; a first lubricating channel passing through the first mounting cavity is arranged in the front fixing mechanism; the rear fixing mechanism is provided with a second lubricating passage passing through the second mounting cavity. The utility model discloses establish and carry out the individual lubrication through first lubricated passageway and second lubricated passageway to the bearing to effectively prevented mutual pollution between gear, the bearing lubricating oil, reduced the risk that impurity such as iron fillings influence the bearing, the special lubricating oil of corresponding operating mode can be chooseed for use to the lubricating oil of gear, bearing simultaneously, promotes lubricated effect.
Description
Technical Field
The utility model belongs to the technical field of the press technique and specifically relates to a sealed lubricating structure of motor gear axle is related to.
Background
Most of the existing motor gear shaft lubrication modes are open lubrication, and impurities such as scrap iron and the like generated in gear meshing enter the inside of a bearing, so that the risk of the service life of the bearing is reduced; because the lubricating oil of the gear and the bearing is inevitably converged, the gear and the bearing must select the same lubricating oil to prevent the lubricating oil from deteriorating; meanwhile, for the gear pair lubricated by oil immersion, lubricating oil of the bearing is converged into the oil tank to cause the oil level to rise, frequent oil drainage is needed to ensure the lubricating condition, and the lubricating oil in the oil tank also has the risk of polluting the bearing, which is particularly obvious under the structure that the motor shaft is positioned below the large gear.
Therefore, it is necessary to design a sealing and lubricating structure of a gear shaft of a motor to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's weak point, and provide a sealed lubricating structure of motor gear axle.
The technical scheme of the utility model is that: a sealed lubricating structure of a motor gear shaft comprises a front fixing mechanism, a rear fixing mechanism and a motor gear shaft; a first mounting cavity is formed in the front fixing mechanism; a second mounting cavity is formed in the rear fixing mechanism; the front end of the motor gear shaft is hermetically and rotatably connected into the first mounting cavity through a first bearing, and the rear end of the motor gear shaft is hermetically and rotatably connected into the second mounting cavity through a second bearing; a first lubricating channel passing through the first mounting cavity is arranged in the front fixing mechanism; the rear fixing mechanism is provided with a second lubricating channel passing through the second mounting cavity.
The front fixing mechanism comprises a machine body and a front end cover fixed on the machine body; a front gland is fixed on the rear side of the front end cover, and the front gland and the inner cavity of the front end cover form the first mounting cavity; the first bearing is fixed in the front end cover; the front end of the motor gear shaft penetrates through the front gland and is fixedly connected with the first bearing.
The first lubricating channel comprises a liquid inlet hole arranged on the front side of the front end cover and a liquid outlet hole arranged on the rear side of the front gland; the liquid inlet hole and the liquid outlet hole are communicated with the first mounting cavity.
The liquid inlet hole and the liquid outlet hole are arranged in a vertically staggered mode.
The rear fixing mechanism comprises a motor base coaxially fixed on the machine body with the front end cover; a rear gland is coaxially fixed on the front side of the motor base; the rear gland and the inner cavity of the motor base form the second mounting cavity; the second bearing is fixed in the motor base; the rear end of the motor gear shaft penetrates through the rear gland and is fixedly connected with the second bearing.
The second lubricating channel comprises a liquid inlet channel and a liquid outlet channel which are respectively arranged at the top and the bottom of the motor base; the liquid inlet channel and the liquid outlet channel are communicated with the second installation cavity.
An annular groove corresponding to the outlet of the liquid inlet channel is formed in the outer ring of the second bearing; and a plurality of oil injection holes communicated with the interior of the second bearing are uniformly distributed in the annular groove.
The first bearing is a deep groove ball bearing; the liquid inlet and the liquid outlet correspond to ball parts of the deep groove ball bearing.
The second bearing is a self-aligning roller bearing.
The rear fixing mechanism also comprises a servo motor; the motor base is fixedly connected with the servo motor; the rear end of the motor gear shaft is fixedly connected with the output end of the servo motor through the expansion coupling sleeve.
By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) The utility model is provided with a front fixing mechanism and a rear fixing mechanism, and the front fixing mechanism is internally provided with a first installation cavity and the rear fixing mechanism is internally provided with a second installation cavity; the front end of the motor gear shaft is hermetically and rotatably connected into the first mounting cavity through a first bearing, and the rear end of the motor gear shaft is hermetically and rotatably connected into the second mounting cavity through a second bearing; a first lubricating channel passing through the first mounting cavity is arranged in the front fixing mechanism; after-fixing mechanism is equipped with the second lubrication channel through the second installation cavity, carries out the individual lubrication to the bearing through first lubrication channel and second lubrication channel to effectively prevented the mutual contamination between gear, the bearing lubricating oil, reduced the risk that impurity such as iron fillings influence the bearing, the special lubricating oil that corresponds the operating mode can be chooseed for use to the lubricating oil of gear, bearing simultaneously, promotes lubricated effect.
(2) The utility model discloses a front fixing base adopts front end housing and preceding gland, not only simple structure, the installation of being convenient for moreover.
(3) The utility model discloses a lubricated passageway is including the feed liquor hole of locating the front end housing front side and the play liquid hole of locating preceding gland rear side, guarantees that lubricated liquid can be stably from first installation intracavity process, guarantees the lubricated effect to the primary shaft bearing.
(4) The utility model discloses a feed liquor hole and play liquid hole dislocation set from top to bottom for the lubricated liquid flows more stably from first installation cavity, and the lubricated liquid of being convenient for can the first bearing of complete lubrication.
(5) The utility model discloses back fixed establishment adopts motor cabinet and back gland, and not only simple structure is convenient for install moreover.
(6) The second lubricating channel of the utility model comprises a liquid inlet channel and a liquid outlet channel which are respectively arranged at the top and the bottom of the motor base; the liquid inlet channel and the liquid outlet channel are communicated with the second mounting cavity, so that lubricating liquid can stably flow through the second mounting cavity, and the lubricating effect on the second bearing is guaranteed.
(7) The utility model discloses be equipped with the ring channel that corresponds with the outlet of liquid inlet channel on the outer lane of second bearing, the equipartition has a plurality ofly and the oil filler point of the inside intercommunication of second bearing in the ring channel, ensures in lubricating oil can the stable inflow second bearing, ensures the lubricated effect to the second bearing.
(8) The utility model discloses a first bearing is deep groove ball bearing to feed liquor hole all corresponds deep groove ball bearing's ball portion with going out the liquid hole, guarantees the lubrication of lubricated liquid to deep groove ball inside.
Drawings
In order that the present invention may be more clearly understood, the following detailed description is given with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the second bearing of the present invention.
The reference numbers in the figures are:
the device comprises a front fixing mechanism 1, a machine body 1-1, a front end cover 1-2, a front gland 1-3, a rear fixing mechanism 2, a motor base 2-1, a rear gland 2-2, a motor gear shaft 3, a first mounting cavity 4, a second mounting cavity 5, a first bearing 6, a second bearing 7, an annular groove 7-1, an oil filling hole 7-2, a first lubricating channel 8, a liquid inlet hole 8-1, a liquid outlet hole 8-2 and a second lubricating channel 9.
Detailed Description
(example 1)
Referring to fig. 1 and 2, the sealing and lubricating structure of the motor gear shaft of the present embodiment includes a front fixing mechanism 1, a rear fixing mechanism 2 and a motor gear shaft 3; a first mounting cavity 4 is arranged in the front fixing mechanism 1; a second mounting cavity 5 is arranged in the rear fixing mechanism 2; the front end of the motor gear shaft 3 is hermetically and rotatably connected into the first mounting cavity 4 through a first bearing 6, and the rear end of the motor gear shaft is hermetically and rotatably connected into the second mounting cavity 5 through a second bearing 7; a first lubricating channel 8 passing through the first mounting cavity 4 is arranged in the front fixing mechanism 1; the rear fixing means 2 is provided with a second lubrication channel 9 through the second mounting chamber 5.
Further, in order to simplify the overall structure of the front fixing mechanism 1, the front fixing mechanism 1 comprises a machine body 1-1 and a front end cover 1-2 fixed on the machine body 1-1; a front gland 1-3 is fixed on the rear side of the front end cover 1-2, and the front gland 1-3 and the inner cavity of the front end cover 1-2 form a first mounting cavity 4; the first bearing 6 is fixed in the front end cover 1-2; the front end of the motor gear shaft 3 penetrates through the front gland 1-3 and is fixedly connected with the first bearing 6.
Further, the first lubricating channel 8 comprises a liquid inlet hole 8-1 arranged on the front side of the front end cover 1-2 and a liquid outlet hole 8-2 arranged on the rear side of the front gland 1-3; the liquid inlet hole 8-1 and the liquid outlet hole 8-2 are communicated with the first mounting cavity 4, so that lubricating liquid can stably pass through the first mounting cavity 4, and the lubricating effect on the first bearing 6 is guaranteed.
Furthermore, the liquid inlet hole 8-1 and the liquid outlet hole 8-2 are arranged in a vertically staggered manner, so that the lubricating liquid flows more stably from the first mounting cavity 4, and the first bearing 6 can be completely lubricated by the lubricating liquid conveniently.
Further, in order to simplify the overall structure of the rear fixing mechanism 2, the rear fixing mechanism 2 comprises a motor base 2-1 coaxially fixed on the machine body 1-1 with the front end cover 1-2; a rear gland 2-2 is coaxially fixed on the front side of the motor base 2-1; the rear gland 2-2 and the inner cavity of the motor base 2-1 form the second mounting cavity 5; the second bearing 7 is fixed in the motor base 2-1; the rear end of the motor gear shaft 3 penetrates through the rear gland 2-2 and is fixedly connected with the second bearing 7.
Further, the second lubricating channel 9 comprises a liquid inlet channel 9-1 and a liquid outlet channel 9-2 which are respectively arranged at the top and the bottom of the motor base 2-1; the liquid inlet channel 9-1 and the liquid outlet channel 9-2 are communicated with the second mounting cavity 5, so that lubricating liquid can stably flow through the second mounting cavity 5, and the lubricating effect on the second bearing 7 is guaranteed.
Furthermore, an annular groove 7-1 corresponding to an outlet of the liquid inlet channel 9-1 is arranged on the outer ring of the second bearing 7; a plurality of oil injection holes 7-2 communicated with the inside of the second bearing 7 are uniformly distributed in the annular groove 7-1, so that lubricating oil can stably flow into the second bearing 7, and the lubricating effect on the second bearing 7 is further ensured.
Preferably, the first bearing 6 is a deep groove ball bearing; the liquid inlet 8-1 and the liquid outlet 8-2 correspond to the ball part of the deep groove ball bearing.
Preferably, the second bearing 7 is a self-aligning roller bearing.
Further, in order to facilitate connection between the motor gear shaft 3 and the servo motor, the rear fixing mechanism 2 further comprises a servo motor 10; the motor base 2-1 is fixedly connected with the servo motor; the rear end of the motor gear shaft 3 is fixedly connected with the output end of the servo motor through the expansion coupling sleeve.
The sealing and lubricating structure of the motor gear shaft of the embodiment is provided with a front fixing mechanism 1 and a rear fixing mechanism 2, a first mounting cavity 4 is arranged in the front fixing mechanism 1, and a second mounting cavity 5 is arranged in the rear fixing mechanism 2; the front end of the motor gear shaft 3 is hermetically and rotatably connected into the first mounting cavity 4 through a first bearing 6, and the rear end of the motor gear shaft is hermetically and rotatably connected into the second mounting cavity 5 through a second bearing 7; a first lubricating channel 8 passing through the first mounting cavity 4 is arranged in the front fixing mechanism 1; after-fixing mechanism 2 is equipped with the lubricated passageway 9 of second through second installation cavity 5, carries out the individual lubrication to the bearing through first lubricated passageway 8 and the lubricated passageway 9 of second to effectively prevented the mutual contamination between gear, the bearing lubricating oil, reduced the risk that impurity such as iron fillings influence the bearing, the lubricating oil of gear, bearing can choose for use the special lubricating oil that corresponds the operating mode simultaneously, promotes lubricated effect.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a sealed lubricating structure of motor gear shaft which characterized in that: comprises a front fixing mechanism (1), a rear fixing mechanism (2) and a motor gear shaft (3); a first mounting cavity (4) is arranged in the front fixing mechanism (1); a second mounting cavity (5) is formed in the rear fixing mechanism (2); the front end of the motor gear shaft (3) is hermetically and rotatably connected into the first mounting cavity (4) through a first bearing (6), and the rear end of the motor gear shaft is hermetically and rotatably connected into the second mounting cavity (5) through a second bearing (7); a first lubricating channel (8) passing through the first mounting cavity (4) is arranged in the front fixing mechanism (1); the rear fixing means (2) is provided with a second lubrication channel (9) passing through the second mounting cavity (5).
2. The sealing and lubricating structure of a motor gear shaft according to claim 1, characterized in that: the front fixing mechanism (1) comprises a machine body (1-1) and a front end cover (1-2) fixed on the machine body (1-1); a front gland (1-3) is fixed on the rear side of the front end cover (1-2), and the front gland (1-3) and the inner cavity of the front end cover (1-2) form a first mounting cavity (4); the first bearing (6) is fixed in the front end cover (1-2); the front end of the motor gear shaft (3) penetrates through the front gland (1-3) and is fixedly connected with the first bearing (6).
3. The seal lubrication structure of a motor gear shaft according to claim 2, wherein: the first lubricating channel (8) comprises a liquid inlet hole (8-1) arranged on the front side of the front end cover (1-2) and a liquid outlet hole (8-2) arranged on the rear side of the front gland (1-3); the liquid inlet hole (8-1) and the liquid outlet hole (8-2) are both communicated with the first mounting cavity (4).
4. The seal lubrication structure of a motor gear shaft according to claim 3, wherein: the liquid inlet hole (8-1) and the liquid outlet hole (8-2) are arranged in a vertically staggered manner.
5. The seal lubrication structure of a motor gear shaft according to claim 2, wherein: the rear fixing mechanism (2) comprises a motor base (2-1) which is coaxially fixed on the machine body (1-1) with the front end cover (1-2); a rear gland (2-2) is coaxially fixed on the front side of the motor base (2-1); the rear gland (2-2) and the inner cavity of the motor base (2-1) form a second mounting cavity (5); the second bearing (7) is fixed in the motor base (2-1); the rear end of the motor gear shaft (3) penetrates through the rear gland (2-2) and is fixedly connected with the second bearing (7).
6. The seal lubrication structure of a motor gear shaft according to claim 5, wherein: the second lubricating channel (9) comprises a liquid inlet channel (9-1) and a liquid outlet channel (9-2) which are respectively arranged at the top and the bottom of the motor base (2-1); the liquid inlet channel (9-1) and the liquid outlet channel (9-2) are both communicated with the second installation cavity (5).
7. The seal lubrication structure of a motor gear shaft according to claim 5, wherein: an annular groove (7-1) corresponding to the outlet of the liquid inlet channel (9-1) is formed in the outer ring of the second bearing (7); a plurality of oil injection holes (7-2) communicated with the interior of the second bearing (7) are uniformly distributed in the annular groove (7-1).
8. The seal lubrication structure of a motor gear shaft according to claim 4, wherein: the first bearing (6) is a deep groove ball bearing; the liquid inlet (8-1) and the liquid outlet (8-2) both correspond to the ball part of the deep groove ball bearing.
9. The seal lubrication structure of a motor gear shaft according to claim 4, wherein: the second bearing (7) is a self-aligning roller bearing.
10. The seal lubrication structure of a motor gear shaft according to claim 5, wherein: the rear fixing mechanism (2) further comprises a servo motor (10); the motor base (2-1) is fixedly connected with the servo motor; the rear end of the motor gear shaft (3) is fixedly connected with the output end of the servo motor through the expansion coupling sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222992552.8U CN218625335U (en) | 2022-11-10 | 2022-11-10 | Sealing and lubricating structure of motor gear shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222992552.8U CN218625335U (en) | 2022-11-10 | 2022-11-10 | Sealing and lubricating structure of motor gear shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218625335U true CN218625335U (en) | 2023-03-14 |
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ID=85446593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222992552.8U Active CN218625335U (en) | 2022-11-10 | 2022-11-10 | Sealing and lubricating structure of motor gear shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218625335U (en) |
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2022
- 2022-11-10 CN CN202222992552.8U patent/CN218625335U/en active Active
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