CN216407454U - Motor shaft with self-lubricating mechanism - Google Patents
Motor shaft with self-lubricating mechanism Download PDFInfo
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- CN216407454U CN216407454U CN202121876343.6U CN202121876343U CN216407454U CN 216407454 U CN216407454 U CN 216407454U CN 202121876343 U CN202121876343 U CN 202121876343U CN 216407454 U CN216407454 U CN 216407454U
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- motor shaft
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Abstract
The utility model discloses a motor shaft with a self-lubricating mechanism, which comprises a motor, wherein the output end of the motor is fixedly connected with the motor shaft; an automatic oiling mechanism for oiling the motor shaft is arranged on the motor shaft; the automatic oil adding mechanism comprises an oil injection tank fixed on the motor through a positioning frame, and a vertically downward oil injection cavity is arranged in the oil injection tank; the oil injection cavity is internally provided with an oil injection piston which slides along the oil injection cavity, the oil injection box is provided with an oil injection mechanism which pushes the oil injection piston to move, the oil injection mechanism comprises a rack which is arranged on the back side of the oil injection piston and vertically extends upwards out of the top end of the oil injection box, and the top of the oil injection box is provided with a transmission gear which is meshed with the rack. According to the utility model, the automatic oiling mechanism is arranged, so that the motor shaft is automatically oiled without manual oiling, and the motor shaft and the bearing are ensured to be in a lubricating state constantly.
Description
Technical Field
The utility model relates to the technical field of motor shafts, in particular to a motor shaft capable of being automatically lubricated.
Background
The motor shaft is a cylindrical object which is penetrated in the middle of a bearing or a wheel or in the middle of a gear, but a small part of the motor shaft is square, the shaft is a mechanical part which supports a rotating part and rotates together with the shaft to transfer motion, torque or bending moment, the shaft is generally in the shape of a metal round rod, each section can have different diameters, the part which does rotating motion in the machine is arranged on the shaft, and the motor shaft is used as an important component part of the motor and drives a rotor in the motor to rotate to play the roles of transferring the torque and bearing the load, so that the mutual conversion between electric energy and mechanical energy is realized. When the shaft is contacted with the transmission structure, a certain friction force is generated, and proper lubricating oil needs to be added to reduce the friction coefficient of the circumferential side surface of the bearing, so that the service life of the bearing is prolonged. The traditional mode is regularly refuel the oil lubrication for the motor shaft through the manual work, often forgets in time to add lubricating oil because the workman, and leads to the coefficient of friction increase of motor shaft and bearing week side, and causes the friction damage to motor shaft and bearing easily, reduces its life, and the oil filling volume of artifical each time of refueling is different, leads to the situation of "when full hungry" to appear in the motor bearing easily, can not satisfy the lubricated requirement of motor shaft, causes motor shaft and bearing to damage easily.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a motor shaft with a self-lubricating mechanism.
In order to solve the technical problems, the utility model provides the following technical scheme:
the motor shaft with the self-lubricating mechanism comprises a motor, wherein the output end of the motor is fixedly connected with a motor shaft, and a thread groove is formed in the motor shaft; an automatic oiling mechanism for oiling the motor shaft is arranged on the motor shaft; the automatic oil adding mechanism comprises an oil injection tank fixed on the motor through a positioning frame, and a vertically downward oil injection cavity is arranged in the oil injection tank; an anti-splash sleeve sleeved on the outer side of the motor shaft is arranged at the bottom of the oil injection tank, and an oil injection hole is formed between the bottom of the oil injection cavity and the anti-splash sleeve; the oil injection device is characterized in that an oil injection piston sliding along the oil injection cavity is arranged in the oil injection cavity, an oil injection mechanism pushing the oil injection piston to move is arranged on the oil injection tank, the oil injection mechanism comprises a rack which is arranged on the back side of the oil injection piston and vertically extends upwards out of the top end of the oil injection tank, a transmission gear meshed with the rack is arranged at the top of the oil injection tank, and a speed reduction motor in transmission connection with the transmission gear is fixed at the top of the oil injection tank.
As a preferred technical scheme of the utility model, a protective cover is arranged at the top of the oil injection tank, a photoelectric switch is arranged on the inner wall of the protective cover, and a light screen control matched with the photoelectric switch is arranged on the rack.
As a preferable technical scheme of the utility model, a controller and a buzzer are mounted on the outer side surface of the protective cover, the buzzer and the photoelectric switch are electrically connected with the controller, and the controller controls the buzzer to give an alarm according to the optical path disconnection information received by the photoelectric switch.
As a preferable technical scheme of the utility model, the side wall of the upper end of the oil injection tank is provided with an oil injection pipe and an air discharge pipe, and the oil injection pipe and the air discharge pipe are both provided with switch valves.
As a preferable technical scheme of the utility model, the gear motor is electrically connected with the controller, the controller controls the gear motor to perform intermittent oil injection work, the gear motor works once every 1-3 hours, and the working time of one time is 8-15 seconds.
As a preferable technical scheme of the present invention, the geared motor operates once every 2 hours, and the operating time of one operation is 10 seconds.
The utility model has the beneficial effects that: 1. this motor shaft with self-lubricating mechanism, through set up an oiling mechanism that carries out the oiling to the motor shaft on the motor shaft, when using, drive gear through gear motor and carry out slow work, drive gear drives the rack slow work transmission rather than the meshing, at this moment, the rack drives the oiling piston rather than being connected and follows the inside slow slip downwards of oiling chamber, can pass through oiling chamber bottom oiling mouth with oiling intracavity grease and pour into on the motor shaft, thereby realize the automatic oiling to the motor shaft, need not the manual work and add oil, guaranteed to be in lubricated state constantly between motor shaft and the bearing, effectively avoided the workman to fail in time to add lubricating oil, and lead to the motor shaft, the emergence of bearing friction damage phenomenon.
2. When the lubricating oil in the oil cavity of the oil injection cavity is injected too low by the oil injection piston, the rack connected with the oil injection piston also moves downwards along with the oil injection piston, when the rack moves downwards, the light screen at the top end of the rack moves downwards to touch the photoelectric switch, the light screen cuts off an optical path in the photoelectric switch, the photoelectric switch generates an electric signal, the controller receives the electric signal sent by the photoelectric switch, the buzzer is controlled to give an alarm, the fact that the amount of the oil in the oil injection box is too low can be known in time, and the lubricating oil can be added into the oil injection box through the oil injection pipe.
3. The controller controls the gear motor to perform intermittent oil injection work with fixed time and fixed length, because the rotating speed of the gear motor is constant, the gear motor drives the rack to move with a fixed stroke every time, the sliding distance of the oil injection piston along the oil injection cavity is fixed, and the oil injection amount is fixed during oil injection work every time, so that the intermittent oil injection work for the motor shaft is realized, the condition that the motor bearing is hungry when full is avoided, the lubricating requirement of the motor bearing cannot be met, and the motor shaft and the bearing are damaged finally.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of a motor shaft with a self-lubricating mechanism according to the present invention;
FIG. 2 is a schematic front view of a motor shaft with a self-lubricating mechanism according to the present invention;
fig. 3 is a schematic sectional view of a motor shaft with a self-lubricating mechanism according to the present invention.
In the figure: 1. a motor; 2. a motor shaft; 3. a thread groove; 4. an automatic oil adding mechanism; 5. injecting an oil tank; 6. an oil injection cavity; 7. an anti-splash sleeve; 8. an oil filler hole; 9. an oil injection piston; 10. an oiling mechanism; 11. a rack; 12. a transmission gear; 13. a reduction motor; 14. a protective cover; 15. A photoelectric switch; 16. a controller; 17. a buzzer; 18. an oil filling pipe; 19. discharging the air pipe; 20. A light shield.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-3, the motor shaft with the self-lubricating mechanism of the present invention includes a motor 1, a motor shaft 2 is fixedly connected to an output end of the motor 1, and a thread groove 3 is formed on the motor shaft 2; an automatic oiling mechanism 4 for oiling the motor shaft 2 is arranged on the motor shaft 2; the automatic oil adding mechanism 4 comprises an oil injection tank 5 fixed on the motor 1 through a positioning frame, and a vertically downward oil injection cavity 6 is arranged in the oil injection tank 5; an anti-splash sleeve 7 sleeved outside the motor shaft 2 is arranged at the bottom of the oil injection tank 5, and an oil injection hole 8 is formed between the bottom of the oil injection cavity 6 and the anti-splash sleeve 7; an oil injection piston 9 sliding along the oil injection cavity 6 is arranged inside the oil injection cavity 6, an oil injection mechanism 10 pushing the oil injection piston 9 to move is arranged on the oil injection tank 5, the oil injection mechanism 10 comprises a rack 11 which is arranged on the back side of the oil injection piston 9 and vertically extends upwards out of the top end of the oil injection tank 5, a transmission gear 12 meshed with the rack 11 is arranged at the top of the oil injection tank 5, and a speed reduction motor 13 in transmission connection with the transmission gear 12 is fixed at the top of the oil injection tank 5. When the automatic oiling device is used, the gear motor 13 drives the transmission gear 12 to work slowly, the transmission gear 12 drives the rack 11 meshed with the transmission gear to work slowly, at the moment, the rack 11 drives the oiling piston 9 connected with the rack to slide slowly downwards along the inside of the oiling cavity 6, grease in the oiling cavity 6 can be injected into the motor shaft 2 through the oiling hole 8 at the bottom of the oiling cavity 6, and therefore automatic oiling of the motor shaft 2 is achieved
The top of the oil injection tank 5 is provided with a protective cover 14, the inner wall of the protective cover 14 is provided with a photoelectric switch 15, and the rack 11 is provided with a light screen 20 which is matched with the photoelectric switch 15 for control.
The outer side surface of the protective cover 14 is provided with a controller 16 and a buzzer 17, the buzzer 17 and the photoelectric switch 15 are both electrically connected with the controller 16, and the controller 16 controls the buzzer 17 to give an alarm according to the optical path disconnection information received by the photoelectric switch 15; when the lubricating oil in the oil injection cavity 6 is injected too low by the oil injection piston 9, the rack 11 connected with the oil injection piston 9 also moves downwards along with the oil injection piston 9, when the rack 11 moves downwards, the light shielding plate 20 at the top end of the rack 11 moves downwards to touch the photoelectric switch 15, the light shielding plate 20 cuts off an optical path in the photoelectric switch 15, the photoelectric switch 15 generates an electric signal, the controller 16 receives the electric signal sent by the photoelectric switch 15 at the moment, the buzzer 17 is controlled to give an alarm, and the fact that the oil amount in the oil injection tank 5 is too low can be known in time.
The side wall of the upper end of the oil filling tank 5 is provided with an oil filling pipe 18 and an air discharging pipe 19, and the oil filling pipe 18 and the air discharging pipe 19 are both provided with switch valves; when the oil tank 5 is lack of oil, the switch valve on the air relief pipe 19 can be opened to release air; when the oil filling tank 5 is lack of oil, the switch valve on the oil filling pipe 18 can be opened to fill the oil filling cavity 6 with oil.
The speed reducing motor 13 is electrically connected with the controller 16, the controller 16 controls the speed reducing motor 13 to perform intermittent oil injection, the speed reducing motor 13 works once every 1-3 hours, and the working time of one time is 8-15 seconds. The controller 16 controls the reducing motor 13 to perform intermittent oil injection work with fixed time and fixed length, because the rotating speed of the reducing motor 13 is constant, the travel of the reducing motor 13 driving the rack 11 to move is constant every time, and the sliding distance of the oil injection piston 9 along the oil injection cavity 6 is constant, so that the oil injection amount is constant every time oil injection work is performed.
The speed reducing motor works once every 2 hours, and the working time of one time is 10 seconds; the operation of the reduction motor 13 is controlled by setting the timing of the controller 16.
The working principle is as follows: this motor 1 axle with self-lubricating mechanism, through at motor 1 epaxial setting one carry out the mechanism of adding oil of oiling to motor 1 axle, when using, drive gear 12 through gear motor 13 and carry out slow work, drive gear 12 drives the rack 11 slow work transmission rather than the meshing, at this moment, rack 11 drives the oiling piston 9 of being connected rather than along 6 inside slow slip in oiling chamber, can inject oiling intracavity 6 interior grease into motor 1 epaxially through 6 bottom oil filler mouths in oiling chamber, thereby realize the automatic oiling to motor 1 axle, need not the manual work and add oil, ensured to be in lubricated state constantly between motor 1 axle and the bearing, effectively avoided the workman to fail in time to add lubricating oil, and lead to motor 1 axle, the emergence of bearing friction damage phenomenon. Be provided with the remaining oil volume detection mechanism who comprises photoelectric switch 15 and light screen 20 at oiling case 5 top, when oiling piston 9 pours into the interior lubricating oil of chamber oil pocket into when low excessively, the rack 11 of connecting oiling piston 9 this moment also down along with oiling piston 9, when rack 11 down, light screen 20 on rack 11 top down touches photoelectric switch 15, light screen 20 cuts off the light path in photoelectric switch 15, photoelectric switch 15 produces the signal of telecommunication, controller 16 receives the signal of telecommunication that photoelectric switch 15 sent this moment, then control bee calling organ 17 and take place the alarm sound and report to the police, can in time know that the oil volume is crossed lowly in oiling case 5, accessible filler pipe 18 adds lubricating oil to oiling case 5. In the utility model, the controller 16 controls the reducing motor 13 to perform intermittent oil injection work with fixed time and fixed length, because the rotating speed of the reducing motor 13 is constant, the travel of the reducing motor 13 driving the rack 11 to move each time is fixed, and the sliding distance of the oil injection piston 9 along the oil injection cavity 6 is fixed, so that the oil injection amount is fixed during each oil injection work, thereby realizing the oil injection work with fixed time and fixed quantity on the shaft of the motor 1, avoiding the condition that the bearing of the motor 1 is hungry when full, and the lubricating requirement of the bearing of the motor 1 can not be met, and finally causing the damage of the shaft of the motor 1 and the bearing.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A motor shaft with a self-lubricating mechanism comprises a motor (1), wherein a motor shaft (2) is fixedly connected to the output end of the motor (1), and a thread groove (3) is formed in the motor shaft (2); the automatic oiling device is characterized in that an automatic oiling mechanism (4) for oiling the motor shaft (2) is arranged on the motor shaft (2); the automatic oil adding mechanism (4) comprises an oil injection tank (5) fixed on the motor (1) through a positioning frame, and an oil injection cavity (6) which is vertically downward is arranged in the oil injection tank (5); an anti-splash sleeve (7) sleeved on the outer side of the motor shaft (2) is arranged at the bottom of the oil injection tank (5), and an oil injection hole (8) is formed between the bottom of the oil injection cavity (6) and the anti-splash sleeve (7); the oil injection cavity (6) is internally provided with an oil injection piston (9) which slides along the oil injection cavity (6), the oil injection tank (5) is provided with an oil injection mechanism (10) which pushes the oil injection piston (9) to move, the oil injection mechanism (10) comprises a rack (11) which is arranged on the back side of the oil injection piston (9) and vertically extends upwards to the top end of the oil injection tank (5), the top of the oil injection tank (5) is provided with a transmission gear (12) which is meshed with the rack (11), and the top of the oil injection tank (5) is fixedly provided with a speed reduction motor (13) which is in transmission connection with the transmission gear (12).
2. The motor shaft with the self-lubricating mechanism is characterized in that a protective cover (14) is arranged at the top of the oil injection tank (5), a photoelectric switch (15) is arranged on the inner wall of the protective cover (14), and a light shielding plate (20) matched with the photoelectric switch (15) is arranged on the rack (11) for control.
3. The motor shaft with the self-lubricating mechanism is characterized in that a controller (16) and a buzzer (17) are mounted on the outer side surface of the protective cover (14), the buzzer (17) and the photoelectric switch (15) are both electrically connected with the controller (16), and the controller (16) controls the buzzer (17) to alarm according to light path disconnection information received by the photoelectric switch (15).
4. The motor shaft with the self-lubricating mechanism is characterized in that the side wall of the upper end of the oil injection tank (5) is provided with an oil injection pipe (18) and an air discharge pipe (19), and the oil injection pipe (18) and the air discharge pipe (19) are provided with switch valves.
5. The motor shaft with the self-lubricating mechanism of claim 4, wherein the gear motor (13) is electrically connected with the controller (16), and the controller (16) controls the gear motor (13) to perform the intermittent oiling operation, wherein the gear motor (13) operates every 1-3 hours for 8-15 seconds.
6. The motor shaft with self-lubricating mechanism of claim 5, characterized in that the gear motor (13) operates every 2 hours for 10 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121876343.6U CN216407454U (en) | 2021-08-11 | 2021-08-11 | Motor shaft with self-lubricating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121876343.6U CN216407454U (en) | 2021-08-11 | 2021-08-11 | Motor shaft with self-lubricating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216407454U true CN216407454U (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121876343.6U Active CN216407454U (en) | 2021-08-11 | 2021-08-11 | Motor shaft with self-lubricating mechanism |
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| CN (1) | CN216407454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117886228A (en) * | 2024-03-14 | 2024-04-16 | 江苏海曼重工科技有限公司 | Portal crane for hoisting container |
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2021
- 2021-08-11 CN CN202121876343.6U patent/CN216407454U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117886228A (en) * | 2024-03-14 | 2024-04-16 | 江苏海曼重工科技有限公司 | Portal crane for hoisting container |
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