CN219611535U - Servo integrated motor of combined planetary reduction gear - Google Patents
Servo integrated motor of combined planetary reduction gear Download PDFInfo
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- CN219611535U CN219611535U CN202320800795.9U CN202320800795U CN219611535U CN 219611535 U CN219611535 U CN 219611535U CN 202320800795 U CN202320800795 U CN 202320800795U CN 219611535 U CN219611535 U CN 219611535U
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- planetary reduction
- servo
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- gear
- bearing
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model relates to a servo integrated motor for a combined planetary reduction gear, which comprises a shell, a servo motor, a planetary reduction gear, an end cover and an output shaft, wherein the planetary reduction gear is in transmission connection with the servo motor, an installation cavity is arranged in the shell, the servo motor and the planetary reduction gear are arranged in the installation cavity, the end cover is covered at one end of the shell, which is close to the planetary reduction gear, the output shaft is connected with the planetary reduction gear, the other end of the output shaft extends out of the installation cavity, the end cover is arranged at one end of the shell, which is close to the planetary reduction gear, the output shaft is connected with the planetary reduction gear, and the other end of the output shaft extends out of the end cover, so that the perpendicularity of the output shaft of the servo motor and the connection end face precision of the planetary reduction gear can be ensured relatively easily, the noise of the integrated motor is relatively small in the use process, the stability is high, no large amplitude occurs, and the service life of a gear and a bearing is relatively long.
Description
[ field of technology ]
The utility model relates to the technical field of motors, in particular to a servo integrated motor combining a planetary reduction gear.
[ background Art ]
Referring to fig. 2, in the prior art, a servo motor 9 and a planetary reduction gear 10 are respectively installed in a motor housing 8 and a reduction gear housing 6, the motor housing 8 and the reduction gear housing 6 are connected through a motor end cover 7 and fixed through screws, the motor combined through a split type housing has a large integral size, and the split type structure is easily influenced by the precision of the connecting end surfaces of the motor end cover and the reduction gear housing 6, so that the perpendicularity of an output shaft of the servo motor deviates, that is, the engagement of the output shaft of the servo motor 9 and the planetary reduction gear 10 is not in place, the noise of the whole machine is amplified, the vibration is large, the gear abrasion is quick, and the bearing is easy to damage.
[ utility model ]
In order to solve the problems that the existing servo integrated motor of the combined planetary reduction device adopts a servo motor and the planetary reduction device to be directly connected through a motor end cover, the noise of the whole machine is easy to amplify, the vibration is large, the abrasion of gears is rapid, and a bearing is easy to damage, the utility model provides the servo integrated motor of the combined planetary reduction device.
The utility model provides the following scheme:
the utility model provides a combination planetary reduction gear's servo integrated motor, includes shell, servo motor, with planetary reduction gear, end cover and the output shaft that servo motor transmission is connected, be equipped with the installation cavity in the shell, servo motor and planetary reduction gear locate in the installation cavity, the end cover lid is located the shell and is close to planetary reduction gear's one end, output shaft one end is connected with planetary reduction gear, and the other end stretches out outside the end cover.
The servo integrated motor for the combined planetary reduction gear is characterized in that a bearing chamber is arranged between the servo motor and the planetary reduction gear, a bearing is arranged between the bearing chamber and the output end of the servo motor, the outer ring of the bearing is fixedly connected with the bearing chamber, and the inner ring of the bearing is in interference fit with the output end of the servo motor.
According to the servo integrated motor of the combined planetary reduction device, the limiting convex ring is arranged on the inner side of the shell, the servo motor abuts against one side of the limiting convex ring, and the other side of the limiting convex ring abuts against the bearing chamber.
According to the servo integrated motor for the combined planetary reduction device, the output end of the servo motor and the bearing chamber are provided with the oil seal layer at one end close to the planetary reduction device.
The servo integrated motor of the combined planetary reduction gear is characterized in that the output end of the servo motor is provided with the spline, the planetary reduction gear is provided with the sun gear which is used for being in transmission fit with the output end of the servo motor, and the sun gear is provided with the gear groove which is in clamping fit with the spline.
The servo integrated motor of the combined planetary reduction gear comprises an inner gear ring arranged in an installation cavity, a first rotating seat rotationally arranged in the inner gear ring, a second central gear arranged on the first rotating seat, a first gear rotationally arranged on the first rotating seat and respectively meshed with the central gear and the inner gear ring, and a second gear rotationally arranged on the output shaft and respectively meshed with the second central gear and the inner gear ring.
The servo integrated motor of the combined planetary reduction device is characterized in that a second bearing retainer ring is arranged on one side, close to the planetary reduction mechanism, of the second bearing, and a second bearing retainer ring is arranged on one side, close to the shell, of the second bearing.
According to the servo integrated motor of the combined planetary reduction device, the sealing ring is arranged between the second bearing and the shell.
According to the servo integrated motor of the combined planetary reduction device, the outer shell is provided with the stepped slope at one end far away from the output end of the servo motor.
According to the servo integrated motor of the combined planetary reduction device, the second convex ring is arranged between the limiting convex ring and the planetary reduction device, and when the end cover is covered on the shell, the end cover 4 pushes against the inner gear ring so that the inner gear ring abuts against the second convex ring.
Compared with the prior art, the utility model has the following beneficial effects:
according to the embodiment of the utility model, the installation cavity is arranged in the shell, the servo motor and the planetary reduction gear are arranged in the installation cavity, the end cover is covered at one end of the shell close to the planetary reduction gear, one end of the output shaft is connected with the planetary reduction gear, and the other end extends out of the end cover, so that the perpendicularity of the output shaft of the servo motor and the precision of the connecting end face of the planetary reduction gear can be ensured relatively easily, the noise of the integrated motor is relatively low in the use process, the stability is high, larger amplitude cannot occur, and the service lives of the gear and the bearing are longer.
[ description of the drawings ]
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a servo integrated motor of a combined planetary reduction gear according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a prior art structure of a servo integrated motor of the combined planetary reduction device of the present utility model.
[ detailed description ] of the utility model
Referring to fig. 1-2, the present embodiment provides a servo integrated motor for a combined planetary reduction gear, which comprises a housing 3, a servo motor 1, a planetary reduction gear 2 in transmission connection with the servo motor 1, an end cover 4, and an output shaft 221, wherein a mounting cavity 5 is provided in the housing 3, the servo motor 1 and the planetary reduction gear 2 are provided in the mounting cavity 5, the end cover 4 is covered at one end of the housing 3 close to the planetary reduction gear 2, one end of the output shaft 221 is connected with the planetary reduction gear 2, and the other end extends out of the end cover 4.
According to the embodiment, the installation cavity is formed in the shell, the servo motor and the planetary reduction gear are arranged in the installation cavity, the end cover is arranged at one end, close to the planetary reduction gear, of the shell, one end of the output shaft is connected with the planetary reduction gear, the other end of the output shaft extends out of the end cover, the perpendicularity of the output shaft of the servo motor and the precision of the connecting end face of the planetary reduction gear can be ensured easily, so that the noise of the integrated motor in the using process is small, the stability is high, larger amplitude cannot occur, and the service lives of the gear and the bearing are longer.
As a preferable scheme, but not particularly limited, a bearing chamber 23 is arranged between the servo motor 1 and the planetary reduction gear 2, a bearing 13 is arranged between the bearing chamber 23 and the output end of the servo motor 1, an outer ring of the bearing 13 is fixedly connected with the bearing chamber 23, and an inner ring of the bearing 13 is in interference fit with the output end of the servo motor 1.
The bearing chamber 23 is arranged between the servo motor 1 and the planetary reduction gear 2, so that the bearing on the servo motor 1 can be well fixed, the motor is more stable in operation and better in motor power output effect compared with the motor in the prior art.
As a preferable solution, but not particularly limited, a limiting convex ring 31 is disposed on the inner side of the housing 3, the servo motor 1 abuts against one side of the limiting convex ring 31, and the other side of the limiting convex ring 31 abuts against the bearing chamber 23.
The embodiment is provided with the limiting convex ring 31 for limiting the installation depth of the servo motor, so that the motor can be positioned quickly and efficiently, the installation process is more convenient than the operation of determining the insertion depth of the motor in the prior art, the fixing effect is more firm, and the space-saving integrated motor can be better provided.
As a preferred solution, but not particularly limited, the output end of the servo motor 1 and the bearing chamber 23 are provided with an oil seal layer 14 at the end close to the planetary reduction gear 2.
In this embodiment, when the servo motor 1 is connected with the planetary reduction gear 2, the planetary reduction gear 2 is internally loaded with lubricating oil, if the motor shaft end does not have the oil seal layer 14, the lubricating oil can enter the servo motor in the rotating process of the motor, so that the servo motor and the encoding thereof do not work normally, and the servo motor 1 can work stably and efficiently by adding the oil seal layer 14.
As a preferable scheme, but not particularly limited, the output end of the servo motor 1 is provided with a spline, the planetary reduction gear 2 is provided with a central gear 121 in transmission fit with the output end of the servo motor 1, and the central gear 121 is provided with a gear groove in clamping fit with the spline.
According to the embodiment, the spline is matched with the gear groove in a clamping mode, the power of the servo motor 1 can be stably and efficiently transmitted, and the power is more stable.
As a preferred solution, but not particularly limited, the planetary reduction device 2 includes an inner gear ring 24 provided in the mounting cavity 5, a first rotating seat 241 rotatably provided in the inner gear ring 24, a second sun gear 122 provided on the first rotating seat 241, a first gear 1211 rotatably provided on the first rotating seat 241 and engaged with the sun gear 121 and the inner gear ring 24, respectively, and a second gear 1212 rotatably provided on the output shaft 221 and engaged with the second sun gear 122 and the inner gear ring 24, respectively.
In this embodiment, the power output by the servo motor 1 is transmitted through the sun gear 121, the sun gear 121 drives the first gear 1211 to move along the inner wall of the inner gear ring 24, drives the second rotating seat 242 to rotate, thereby driving the first rotating seat 241 to rotate, when the first rotating seat 241 rotates, driving the second sun gear 122 to rotate, the second sun gear 122 drives the first gear 1211 meshed with the second sun gear 122 to move along the inner wall of the inner gear ring 24, and drives the third rotating seat 243 to rotate, and finally drives the output shaft 221 to rotate, so that the power is output from the servo motor 1 to the output shaft 221.
As a preferred solution, but not particularly limited, a second bearing collar 222 is provided between the output shaft 221 and the end cap 4, the second bearing collar 222 being provided with a first bearing collar 223 on the side close to the planetary reduction mechanism 22, and the second bearing collar 222 being provided with a second bearing collar 224 on the side close to the housing 3.
In this embodiment, the first bearing collar 223 and the second bearing collar 224 are disposed on two sides of the planetary support bearing 222, so that the planetary support bearing 222 can be well fixed, the planetary support bearing 222 cannot displace during operation, and the motor stability is better.
As a preferred solution, but not particularly limited, a sealing ring 33 is provided between the second bearing 222 and the housing 3.
The sealing ring 33 is arranged, so that the servo integrated motor is good in sealing performance and waterproof performance, and the service life of the motor can be prolonged under complex running conditions.
As a preferred solution, but not particularly limited, the housing 3 is provided with a stepped ramp 32 at the end remote from the output of the servomotor 1.
The echelonment slope 32 among the prior art contracts, and its rigidity is often too big, and the workman need take very big power in the time of installing servo motor 1 just can install the motor into, makes installation effectiveness discount greatly, and this embodiment is equipped with through being used for assisting on the motor installation mouth of shell the echelonment slope 32 of servo motor 1 installation can make the motor installation more convenient to be favorable to improving workman's work efficiency.
In the prior art, the shell 3 is often directly divided into two mounting cavities, however, the mode often cannot well carry out the set screw lockhole when the motor is mounted, so that the process of mounting the lockhole is complex, the efficiency is low, however, the mode provided with a single mounting cavity is also provided, the mode is very troublesome in the process of fixing the motor, no corresponding force point exists, the motor is often fixed at the tail end of the motor, and the mode leads to the fact that the motor sometimes generates larger vibration, so that the user experience is poor.
As a preferred option, but not particularly limited thereto, the end cap 4 is provided with a circular ring protrusion 35 on the side remote from the housing 3.
This embodiment is through being equipped with the ring arch 35 on end cover 4, can be when this integrative motor is used, carries out fixed fit with equipment, can fix through interference fit or lock the mode of screw, and the mode is more various, and fixed effect is better.
As a preferable scheme, but not particularly limited, the D-shaped notch is disposed at one end of the output shaft 221 far away from the end cover 4, so that connection between the output shaft 221 and the controlled device can be facilitated, and slipping of the motor during operation can be effectively avoided through the D-shaped notch.
As a preferable solution, but not particularly limited, a second convex ring 34 is disposed between the limiting convex ring 31 and the planetary reduction gear 2, and when the end cover 4 is covered on the casing 3, the end cover 4 pushes against the inner gear ring 24, so that the inner gear ring 24 abuts against the second convex ring 34.
In this embodiment, the second convex ring 34 is provided, so that the planetary reduction gear 2 can be mounted well, and compared with the existing mounting method, the mounting can be completed by directly abutting the planetary reduction gear 2 against the second housing protrusion, and the mounting efficiency is higher.
As a preferred solution, but not particularly limited, a gap 41 is provided between the output shaft 221 and the end cap 4.
In this embodiment, the gap is provided, so that the influence of the end cover 4 on the operation of the output shaft 221 can be effectively avoided, and the motor can stably and efficiently output power.
The above description of one embodiment provided in connection with the specific content does not set forth a limitation on the practice of the utility model. The method, structure, etc. similar to or identical to those of the present utility model, or some technical deductions or substitutions are made on the premise of the inventive concept, should be regarded as the protection scope of the present utility model.
Claims (10)
1. The utility model provides a combination planetary reduction gear's servo integrated motor, its characterized in that, including shell (3), servo motor (1), with planetary reduction gear (2), end cover (4) and output shaft (221) that servo motor (1) transmission is connected, be equipped with installation cavity (5) in shell (3), in installation cavity (5) are located in servo motor (1) and planetary reduction gear (2), one end that shell (3) are close to planetary reduction gear (2) is located to end cover (4), output shaft (221) one end is connected with planetary reduction gear (2), and the other end stretches out outside end cover (4).
2. The servo integrated motor of the combined planetary reduction device according to claim 1, wherein a bearing chamber (23) is arranged between the servo motor (1) and the planetary reduction device (2), a bearing (13) is arranged between the bearing chamber (23) and the output end of the servo motor (1), an outer ring of the bearing (13) is fixedly connected with the bearing chamber (23), and an inner ring of the bearing (13) is in interference fit with the output end of the servo motor (1).
3. A servo integrated motor of a combined planetary reduction device according to claim 2, characterized in that a limit convex ring (31) is arranged on the inner side of the housing (3), the servo motor (1) is propped against one side of the limit convex ring (31), and the other side of the limit convex ring (31) is propped against the bearing chamber (23).
4. A servo-integrated motor for a combined planetary reduction device according to claim 2, characterized in that the output end of the servo-motor (1) and the bearing chamber (23) are provided with an oil-seal layer (14) at the end close to the planetary reduction device (2).
5. A servo integrated motor for a combined planetary reduction device according to claim 3, wherein a spline is arranged on the output end of the servo motor (1), the planetary reduction device (2) is provided with a sun gear (121) which is used for being in transmission fit with the output end of the servo motor (1), and the sun gear (121) is provided with a gear groove which is in clamping fit with the spline.
6. The servo integrated motor of a combined planetary reduction device according to claim 5, characterized in that the planetary reduction device (2) comprises an inner gear ring (24) arranged in a mounting cavity (5), a first rotating seat (241) rotatably arranged in the inner gear ring (24), a second sun gear (122) arranged on the first rotating seat (241), a first gear (1211) rotatably arranged on the first rotating seat (241) and respectively meshed with the sun gear (121) and the inner gear ring (24), and a second gear (1212) rotatably arranged on the output shaft (221) and respectively meshed with the second sun gear (122) and the inner gear ring (24).
7. A servo integrated motor of a combined planetary reduction device according to claim 1, characterized in that a second bearing collar (222) is arranged between the output shaft (221) and the end cap (4), the second bearing collar (222) being provided with a first bearing collar (223) on the side close to the planetary reduction device (2), the second bearing collar (222) being provided with a second bearing collar (224) on the side close to the end cap (4).
8. A servo-integrated motor of a compound planetary reduction gear according to claim 7, characterized in that a sealing ring (33) is provided between the second bearing (222) and the housing (3).
9. A servo-integrated motor of a compound planetary reduction gear according to claim 1, characterized in that the outer side wall of the housing (3) is provided with a stepped ramp (32) at the end remote from the output end of the servo-motor (1).
10. The servo integrated motor of the combined planetary reduction device according to claim 6, wherein a second convex ring (34) is arranged between the limiting convex ring (31) and the planetary reduction device (2), and when the end cover (4) is covered on the shell (3), the end cover (4) pushes the inner gear ring (24) to enable the inner gear ring (24) to abut against the second convex ring (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320800795.9U CN219611535U (en) | 2023-04-11 | 2023-04-11 | Servo integrated motor of combined planetary reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320800795.9U CN219611535U (en) | 2023-04-11 | 2023-04-11 | Servo integrated motor of combined planetary reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219611535U true CN219611535U (en) | 2023-08-29 |
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ID=87750325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320800795.9U Active CN219611535U (en) | 2023-04-11 | 2023-04-11 | Servo integrated motor of combined planetary reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219611535U (en) |
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2023
- 2023-04-11 CN CN202320800795.9U patent/CN219611535U/en active Active
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