CN213094009U - Driving device - Google Patents
Driving device Download PDFInfo
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- CN213094009U CN213094009U CN202022050466.6U CN202022050466U CN213094009U CN 213094009 U CN213094009 U CN 213094009U CN 202022050466 U CN202022050466 U CN 202022050466U CN 213094009 U CN213094009 U CN 213094009U
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Abstract
The utility model relates to the technical field of electric barrels, and discloses a driving device, which comprises a barrel, wherein the barrel is provided with an inner cavity, a first end and a second end, and the first end is provided with a fixed shaft; the power mechanism is arranged in the barrel and is fixedly connected with the fixed shaft, and the power mechanism is provided with a rotor shaft; the output shaft is rotationally connected to the second end; the speed reducing mechanism is positioned between the power mechanism and the output shaft, the input end of the speed reducing mechanism is connected with the power mechanism, and the output end of the speed reducing mechanism is respectively connected with the output shaft and the barrel; when the driving device is in a first output state, the output shaft is fixed, and the cylinder rotates to realize power output; in a second output state, the cylinder is fixed, and the output shaft rotates to realize power output; in the third output state, the output shaft and the cylinder are not fixed, and the cylinder and the output shaft realize differential power output. Through setting up reduction gears and output shaft, barrel and reduction gears rigid coupling, the output shaft is connected with the reduction gears transmission, can realize multiple output mode, satisfies various application condition, has expanded its application range.
Description
Technical Field
The utility model relates to an electronic barrel technical field specifically is a drive arrangement.
Background
The electric cylinder is a driving device with a motor and a speed reducer both arranged in the cylinder body, is mainly applied to fixed and movable belt conveyors, and replaces a separated driving device with a traditional motor and a traditional speed reducer outside a driving cylinder body.
The electric cylinder has the advantages of compact structure, high transmission efficiency, stable operation, reliable work, good sealing performance, small occupied space, convenient installation and the like, and is suitable for working under various severe environmental conditions.
Chinese patent CN210578120U discloses a semi-direct drive device, which comprises a cylindrical shel, left support, right support, three-phase permanent magnet motor, the speed reducer mounting bracket, planetary gear transmission speed reducer, left support and right support set up both ends about the barrel respectively, three-phase permanent magnet motor sets up and is equipped with motor casing outside the motor in the barrel, motor casing is connected with left support and speed reducer mounting bracket respectively, the speed reducer mounting bracket is connected with right support, planetary gear transmission speed reducer sets up on the speed reducer mounting bracket, planetary gear transmission speed reducer passes through gear and gear hub connection with the barrel, transmit power for the speed reducer through three-phase permanent magnet motor's motor shaft, the speed reducer transmits power take off for the barrel and drives the barrel and rotate. The output mode of the driving device with the structure is single, the power output can be realized only by driving the barrel to rotate through the motor shaft, the actual use working condition cannot be met, and the application of the driving device is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the electric cylinder output mode among the prior art is more single technical problem is overcome to a drive arrangement that can multiple output mode is provided.
Therefore, the utility model provides a driving device, include:
the cylinder body is provided with an inner cavity, a first end and a second end which are opposite in the axial direction, and the first end is provided with a fixing shaft which extends towards the second end along the axial direction;
the power mechanism is arranged in the inner cavity of the barrel and is fixedly connected with the fixed shaft, and the power mechanism is provided with a rotor shaft which can be used as power input;
the output shaft is rotatably connected to the second end of the cylinder;
the speed reducing mechanism is arranged in the inner cavity of the cylinder and is positioned between the power mechanism and the output shaft, the input end of the speed reducing mechanism is connected with the power mechanism, and the output end of the speed reducing mechanism is respectively connected with the output shaft and the cylinder;
the driving device has a first output state, a second output state and a third output state;
in a first output state, the output shaft is fixed, and the cylinder rotates to realize power output;
in a second output state, the cylinder is fixed, and the output shaft rotates to realize power output;
in a third output state, the output shaft and the cylinder are not fixed, and the cylinder and the output shaft realize differential power output.
Optionally, in the driving device, the power mechanism is a brushless motor.
Optionally, in the driving device, the speed reducing mechanism is a planetary gear speed reducing mechanism, and includes:
the input end of the planetary gear set is in transmission connection with the rotor shaft, and the output end of the planetary gear set is fixedly connected with the output shaft;
and the supporting inner gear ring is arranged on the periphery of the planetary gear set, is in meshing transmission with the planetary gear set and is fixedly connected with the barrel.
Optionally, in the driving device, the outer peripheral wall of the supporting inner gear ring is in clearance fit with the inner peripheral wall of the cylinder, and one end of the supporting inner gear ring, which is far away from the power mechanism, is fixedly connected with the second end of the cylinder.
Optionally, in the driving apparatus, the planetary gear set includes:
the first transmission gears are arranged along the circumferential direction of the inner circumferential wall of the supporting inner gear ring, are respectively meshed with the outer teeth on the outer circumferential wall of the output end of the rotor shaft and the inner teeth on the inner circumferential wall of the supporting inner gear ring, and a first transmission shaft is rotatably arranged on any one of the first transmission gears;
the planet carrier, with first transmission shaft fixed connection, the output of planet carrier is equipped with the second transmission shaft, the second transmission shaft with output shaft fixed connection.
Optionally, in the driving apparatus, the planetary gear set further includes:
the second transmission gear is provided with a sun gear and is respectively meshed with the sun gear and the inner peripheral wall of the supporting inner gear ring, and a third transmission shaft is rotatably arranged on the second transmission gear and is fixedly connected with the output shaft.
Optionally, in the driving device, an outer circumferential wall of one end of the power mechanism facing the speed reducing mechanism is supported and fixed on an inner circumferential wall of one end of the supporting ring gear facing the power mechanism through a bearing;
the fixed shaft is supported and fixed on the inner peripheral wall of the first end through a bearing.
Optionally, in the driving device, the output shaft is supported and fixed on the inner peripheral wall of the second end through a bearing.
Optionally, in the driving device, the rotor shaft, the output shaft and the fixed shaft are coaxially arranged.
Optionally, in the driving device, the driving device is a motorized drum.
The utility model discloses technical scheme has following advantage:
1. the utility model discloses a driving device, include: the cylinder body is provided with an inner cavity, a first end and a second end which are opposite in the axial direction, and the first end is provided with a fixing shaft which extends towards the second end along the axial direction;
the power mechanism is arranged in the inner cavity of the barrel and is fixedly connected with the fixed shaft, and the power mechanism is provided with a rotor shaft which can be used as power input;
the output shaft is rotatably connected to the second end of the cylinder;
the speed reducing mechanism is arranged in the inner cavity of the cylinder and is positioned between the power mechanism and the output shaft, the input end of the speed reducing mechanism is connected with the power mechanism, and the output end of the speed reducing mechanism is respectively connected with the output shaft and the cylinder;
the driving device has a first output state, a second output state and a third output state;
in a first output state, the output shaft is fixed, and the cylinder rotates to realize power output;
in a second output state, the cylinder is fixed, and the output shaft rotates to realize power output;
in a third output state, the output shaft and the cylinder are not fixed, and the cylinder and the output shaft realize differential power output.
According to the driving device with the structure, the speed reducing mechanism and the output shaft are arranged, the barrel is fixedly connected with the speed reducing mechanism, and the output shaft is in transmission connection with the speed reducing mechanism, so that multiple output modes can be realized, various application working conditions are met, and the application range of the driving device is expanded.
2. The utility model discloses a driving device, power unit is brushless motor. Adopt brushless motor, the temperature rise is slow, need not to fill in the inner chamber of barrel and is used for soaking power unit and carries out the oil that cools down, has reduced use cost.
3. In the driving device of the utility model, the outer peripheral wall of one end of the power mechanism facing the speed reducing mechanism is supported and fixed on the inner peripheral wall of one end of the supporting inner gear ring facing the power mechanism through a bearing;
the fixed shaft is supported and fixed on the inner peripheral wall of the first end through a bearing. Form big span bearing structure, motor housing and fixed axle only receive the moment of torsion support counter-force of motor itself, need not receive whole drive arrangement's moment of torsion support counter-force to weak points such as not fragile motor housing, the atress is more reasonable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic sectional view of a driving device according to the present invention.
Description of reference numerals:
1-an output shaft;
2-a first sealing ring;
3-an output flange;
4-a third bearing;
5-a sun gear;
6-supporting the inner gear ring;
7-a planet carrier;
8-a planet wheel;
9-a first bearing;
10-a first motor end cap;
11-a rotor shaft;
12-a power mechanism;
13-a barrel body;
14-a fixed shaft;
15-a second bearing;
16-a second sealing ring;
17-second motor end cover.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides a driving device, which includes a cylinder 13, a power mechanism 12, a speed reduction mechanism, an output shaft 1, a fixing shaft 14, a first bearing 9, a second bearing 15, a third bearing 4, a first sealing ring 2 and a second sealing ring 16. The cylinder 13 has a first end, i.e., a left end shown in fig. 1, and a second end, i.e., a right end shown in fig. 1, which are axially opposite to each other, and an inner cavity is formed in the cylinder 13 in a hollow manner, the first end is fixed with a first end cover, and the second end is fixed with a second end cover, specifically, an output flange 3. The first end cap is provided with a stationary shaft 14, which stationary shaft 14 extends into the inner cavity from the first end towards the second end. The output flange 3 is connected with an output shaft 1 in a rotating way. The power mechanism is arranged in the inner cavity, the power mechanism 12 is in clearance fit with the inner wall of the barrel 13, and the left end of the power mechanism 12 is fixedly connected with the fixed shaft 14. The speed reducing mechanism is arranged in the inner cavity, the left end of the speed reducing mechanism is connected with the power mechanism 12, and the right end of the speed reducing mechanism is fixedly connected with the output flange 3.
Specifically, power mechanism 12 is a brushless motor, and includes a motor casing, and first motor end cover 10 and second motor end cover 17 are fixed respectively at two ends of the motor casing. The motor casing is internally provided with a rotor shaft 11, the left end and the right end of the rotor shaft 11 are respectively supported and fixed on the first motor end cover 10 and the second motor end cover 17 through bearings, and the right end of the rotor shaft 11 extends out of the first motor end cover 10 and is in transmission connection with a speed reducing mechanism at the right end. The right end of the fixed shaft 14 is fixedly connected with a second motor end cover 17, and the left end is rotatably connected with a first end cover at the left end of the cylinder 13 through a second bearing 15. The brushless motor is arranged, the temperature rise is low, the motor does not need to be soaked in oil for cooling, and the speed reducing mechanism is lubricated by lubricating grease. Because the both ends of power unit 12 are connected with reduction gears through first bearing 9 and are connected with the first end of barrel 13 through second bearing 15 respectively, form big span bearing structure, motor casing and fixed axle 14 only receive the moment of torsion support counter-force of motor itself, need not receive whole drive arrangement's moment of torsion support counter-force to weak places such as not fragile motor casing, the atress is more reasonable.
For the speed reducing mechanism, the speed reducing mechanism comprises a supporting inner gear ring 6, a first transmission gear, a mounting frame and a second transmission gear. The outer wall of a first motor end cover 10 of the power mechanism 12 is supported and fixed on the inner wall of the left end of the supporting inner gear ring 6 through a first bearing 9, the right end of the supporting inner gear ring 6 is fixedly connected with a second end cover of the cylinder 13, namely the output flange 3, and the outer peripheral wall of the supporting inner gear ring 6 is in clearance fit with the inner peripheral wall of the cylinder 13. The first transmission gears comprise at least two transmission gears which are arranged at intervals along the peripheral wall of the supporting inner gear ring 6 and are respectively in meshed transmission connection with the inner wall of the supporting inner gear ring 6 and the outer teeth on the peripheral wall of the rotor shaft 11, the first transmission gears are provided with first transmission shafts which are arranged in parallel with the rotor shaft 11, the first transmission shafts are fixedly connected with the mounting rack, a second transmission shaft which is coaxially arranged with the rotor shaft 11 is arranged in the middle of the mounting rack, the right end of the second transmission shaft is fixedly connected with the output shaft 1, the outer peripheral wall of the right end of the second transmission shaft is also provided with outer teeth, the inner wall of the right end of the supporting inner gear ring 6 is also provided with a second transmission gear which is in meshed transmission connection with the outer teeth of the supporting inner gear ring 6 and the outer wall of the second transmission shaft, the. Preferably, the speed reduction mechanism of the present embodiment is an existing conventional planetary gear speed reduction mechanism. The first transmission gear is a planet gear 8, the mounting frame is a planet carrier 7, and the outer teeth on the outer wall of the second transmission shaft are a sun gear 5. Alternatively, the number of the first transmission gears may be other numbers, such as three, four, five, etc., and those skilled in the art can select the design according to actual requirements. The number of second transmission gears can also be other numbers, such as two, three, etc. Alternatively, the outer circumferential wall of the supporting ring gear 6 may also be fixedly connected with the inner circumferential wall of the cylinder 13. The output shaft 1 is supported and fixed on the inner wall of the output flange 3 through a third bearing 4. Alternatively, the speed reducing mechanism of the present embodiment may further include only the first transmission gear without including the second transmission gear. Optionally, the transmission gear of the embodiment may also be a one-stage, three-stage, and other multi-stage speed reduction, and is not specifically described and limited in detail.
The drive means of this embodiment is preferably a motorized drum. Optionally, in order to ensure the sealing performance in the cylinder 13, a first sealing ring 2 may be disposed between the output shaft 1 and the inner wall of the output flange 3, and a second sealing ring 16 may be disposed between the fixed shaft 14 and the inner wall of the first end cap. The sealing performance in the cylinder body 13 is improved, and the oil leakage risk is greatly reduced.
The stationary shaft 14, the rotor shaft 11 and the output shaft 1 of the present embodiment are preferably coaxially arranged. Alternatively, at least one of the fixed shaft 14, the rotor shaft 11 and the output shaft 1 and other different shaft arrangements are not described or defined in detail.
The driving device of the embodiment has three output modes of a first output state, a second output state and a third output state. Specifically, in the first output state, the output shaft 1 is fixed, the rotor shaft 11 rotates to transmit power to the planet wheel 8, the support inner gear ring 6 rotates, and the support inner gear ring 6 and the cylinder 13 are fixed to drive the cylinder 13 to rotate so as to realize power output. In the second output state, the cylinder 13 is fixed, the rotor shaft 11 rotates to transmit power to the planet carrier 7, and the planet carrier 7 is fixed with the output shaft 1, so that the output shaft 1 rotates to realize power output or the sun gear 5 drives the second transmission gear to drive the output shaft 1 to rotate to realize secondary speed reduction and then the output shaft 1 realizes power output. In the third output state, the output shaft 1 and the cylinder 13 are not fixed, the rotor shaft 11 rotates, a part of power drives the supporting inner gear ring 6 to rotate through the planet wheel, the supporting inner gear ring 6 drives the cylinder 13 to rotate, the cylinder 13 outputs the part of power, the other part of power drives the planet carrier 7 to rotate through the planet wheel 8, the sun wheel 5 at the output end of the planet carrier 7 drives the second transmission gear to rotate, and then the output shaft 1 is driven to rotate, and the output shaft 1 outputs the part of power. Because the power output of the output shaft 1 is output after the secondary speed reduction is realized through the sequential engagement of the planetary gear, the planet carrier and the sun gear, the power difference exists between the power output and the power of the cylinder 13 driven by the planetary gear 8 and the supporting inner gear ring 6, and the power differential output can be realized. The multi-output mode greatly expands the application range and application working conditions of the multi-output mode, and meets the requirements of special application while meeting the use of a normal logistics line.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. A drive device, comprising:
the cylinder body is provided with an inner cavity, a first end and a second end which are opposite in the axial direction, and the first end is provided with a fixing shaft which extends towards the second end along the axial direction;
the power mechanism is arranged in the inner cavity of the barrel and is fixedly connected with the fixed shaft, and the power mechanism is provided with a rotor shaft which can be used as power input;
the output shaft is rotatably connected to the second end of the cylinder;
the speed reducing mechanism is arranged in the inner cavity of the cylinder and is positioned between the power mechanism and the output shaft, the input end of the speed reducing mechanism is connected with the power mechanism, and the output end of the speed reducing mechanism is respectively connected with the output shaft and the cylinder;
the driving device has a first output state, a second output state and a third output state;
in a first output state, the output shaft is fixed, and the cylinder rotates to realize power output;
in a second output state, the cylinder is fixed, and the output shaft rotates to realize power output;
in a third output state, the output shaft and the cylinder are not fixed, and the cylinder and the output shaft realize differential power output.
2. A drive arrangement according to claim 1, wherein the power mechanism is a brushless motor.
3. A drive arrangement according to claim 1 or 2, wherein the reduction mechanism is a planetary gear reduction mechanism comprising:
the input end of the planetary gear set is in transmission connection with the rotor shaft, and the output end of the planetary gear set is fixedly connected with the output shaft;
and the supporting inner gear ring is arranged on the periphery of the planetary gear set, is in meshing transmission with the planetary gear set and is fixedly connected with the barrel.
4. The driving device as claimed in claim 3, wherein the outer circumferential wall of the supporting ring gear is in clearance fit with the inner circumferential wall of the cylinder, and one end of the supporting ring gear, which is far away from the power mechanism, is fixedly connected with the second end of the cylinder.
5. A drive arrangement as claimed in claim 3, wherein the planetary gear set comprises:
the first transmission gears are arranged along the circumferential direction of the inner circumferential wall of the supporting inner gear ring, are respectively meshed with the outer teeth on the outer circumferential wall of the output end of the rotor shaft and the inner teeth on the inner circumferential wall of the supporting inner gear ring, and a first transmission shaft is rotatably arranged on any one of the first transmission gears;
the planet carrier, with first transmission shaft fixed connection, the output of planet carrier is equipped with the second transmission shaft, the second transmission shaft with output shaft fixed connection.
6. The drive of claim 5, wherein said planetary gear set further comprises:
the second transmission gear is provided with a sun gear and is respectively meshed with the sun gear and the inner peripheral wall of the supporting inner gear ring, and a third transmission shaft is rotatably arranged on the second transmission gear and is fixedly connected with the output shaft.
7. A driving device according to any one of claims 4 to 6, wherein the outer peripheral wall of the power mechanism at the end facing the speed reducing mechanism is supported and fixed by a bearing to the inner peripheral wall of the supporting ring gear at the end facing the power mechanism;
the fixed shaft is supported and fixed on the inner peripheral wall of the first end through a bearing.
8. A drive arrangement according to claim 7 wherein said output shaft is supported and fixed to the inner peripheral wall of said second end by bearings.
9. A drive arrangement according to claim 1 or 2, wherein the rotor shaft, the output shaft and the fixed shaft are coaxially arranged.
10. A drive arrangement as claimed in claim 1 or 2, characterized in that the drive arrangement is a motorized drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022050466.6U CN213094009U (en) | 2020-09-17 | 2020-09-17 | Driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022050466.6U CN213094009U (en) | 2020-09-17 | 2020-09-17 | Driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213094009U true CN213094009U (en) | 2021-04-30 |
Family
ID=75612086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022050466.6U Active CN213094009U (en) | 2020-09-17 | 2020-09-17 | Driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213094009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115848888A (en) * | 2023-03-03 | 2023-03-28 | 胜牌智能装备(无锡)股份有限公司 | Compact modular outer rotor planetary speed reduction electric roller |
-
2020
- 2020-09-17 CN CN202022050466.6U patent/CN213094009U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115848888A (en) * | 2023-03-03 | 2023-03-28 | 胜牌智能装备(无锡)股份有限公司 | Compact modular outer rotor planetary speed reduction electric roller |
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