CN221120795U - Double-tooth corner structure of planetary reducer - Google Patents
Double-tooth corner structure of planetary reducer Download PDFInfo
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- CN221120795U CN221120795U CN202323303843.2U CN202323303843U CN221120795U CN 221120795 U CN221120795 U CN 221120795U CN 202323303843 U CN202323303843 U CN 202323303843U CN 221120795 U CN221120795 U CN 221120795U
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Abstract
The utility model discloses a double-tooth corner structure of a planetary reducer, which relates to the technical field of planetary reducers and comprises a corner box shell, wherein a transmission assembly is arranged in the corner box shell, a first mounting seat and a second mounting seat are respectively arranged at two ends of the corner box shell, an input assembly is rotatably connected in the first mounting seat, an output shaft is rotatably connected in the second mounting seat, a first planetary gear set is commonly connected between the corner box shell and the first mounting seat and between the transmission assembly and the input assembly, a second planetary gear set is commonly connected between the corner box shell and the second mounting seat and between the transmission assembly and the output shaft, the transmission assembly is driven to rotate through the first planetary gear set by the input assembly, the output shaft is driven to rotate by the transmission assembly through the second planetary gear set, and the torque and the reduction ratio of the planetary reducer are increased by the first planetary gear set and the second planetary gear set.
Description
Technical Field
The utility model relates to the technical field of planetary speed reducers, in particular to a double-tooth corner structure of a planetary speed reducer.
Background
By searching, a single-stage large-speed-ratio high-torque planetary reducer (bulletin number: CN 216078151U) is disclosed, wherein the effects of reducing speed and increasing torque are realized through a group of planetary gear sets and a group of bevel gears;
however, under the condition that the stability and the accuracy are ensured by the large torque required by hoisting equipment or machine tools, the speed reduction and the torque are limited in the technical scheme, and the use requirement is difficult to meet, so that the double-tooth corner structure of the planetary reducer is provided.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a double-tooth corner structure of a planetary reducer, which solves the problems in the prior art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a planetary reducer double-tooth corner structure, includes the corner case shell, the inside of corner case shell is provided with drive assembly, the both ends of corner case shell are provided with first mount pad and second mount pad respectively, the inside rotation of first mount pad is connected with input assembly, the inside rotation of second mount pad is connected with the output shaft, be connected with first planetary gear set jointly between corner case shell and the first mount pad and between drive assembly and the input assembly, be connected with second planetary gear set jointly between corner case shell and the second mount pad and between drive assembly and the output shaft, first planetary gear set and second planetary gear set's structure are the same.
As a further technical scheme of the utility model, the transmission assembly comprises a first transmission shaft and a second transmission shaft, wherein the output end of the first transmission shaft is sleeved with a driving bevel gear, the input end of the second transmission shaft is sleeved with a driven bevel gear, and the driving bevel gear and the driven bevel gear are in vertical meshed connection.
As a further technical scheme of the utility model, the first transmission shaft and the second transmission shaft are respectively and rotatably connected to two ends of the corner case.
As a further technical scheme of the utility model, the input assembly comprises an input shaft, wherein two groups of semi-rings are symmetrically connected to the input end of the input shaft, and two groups of bolts are connected to the two ends of the two groups of semi-rings in a threaded manner.
As a further technical scheme of the utility model, the first planetary gear set comprises a connecting cylinder, the inner ring surface of the connecting cylinder is connected with an inner gear ring, the center of the connecting cylinder is provided with a sun gear, three groups of planetary gears are arranged between the inner gear ring and the sun gear and are distributed in a circumferential shape at equal intervals, each group of planetary gears is respectively meshed and connected with the inner gear ring and the sun gear, and planetary shafts are rotatably connected inside each group of planetary gears.
As a further technical scheme of the utility model, the first mounting seat, the group of connecting cylinders and the corner box shell are fixedly connected through bolts, the input end of the sun gear is connected with the output end of the input shaft, and the free ends of the three groups of planetary shafts are connected with the input end of the first transmission shaft.
As a further technical scheme of the utility model, the second mounting seat, the other group of connecting cylinders and the corner box shell are fixedly connected through bolts, the input end of the sun gear of the other group is connected with the output end of the second transmission shaft, and the free ends of the planetary shafts of the other three groups are connected with the input end of the output shaft.
Advantageous effects
The utility model provides a double-tooth corner structure of a planetary reducer. Compared with the prior art, the method has the following beneficial effects:
1. A double-tooth corner structure of a planetary speed reducer drives a transmission assembly to rotate through an input assembly and a first planetary gear set, and then the transmission assembly drives an output shaft to rotate through a second planetary gear set.
2. A double-tooth corner structure of a planetary reducer is characterized in that a first mounting seat, a group of connecting cylinders and a corner box shell are fixed through bolts, and a second mounting seat, another group of connecting cylinders and the corner box shell are fixed through bolts, so that a first planetary gear set or a second planetary gear set can be assembled or overhauled and disassembled conveniently.
Drawings
FIG. 1 is a schematic diagram of a double-tooth corner structure of a planetary reducer;
FIG. 2 is a top view of a double-tooth corner structure of a planetary reducer;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
FIG. 4 is a schematic diagram of a transmission assembly in a planetary reducer double-tooth corner structure;
FIG. 5 is a schematic diagram of an input assembly in a planetary reducer double-tooth corner structure;
Fig. 6 is a schematic diagram of a first planetary gear set in a double-tooth angular structure of a planetary reducer.
In the figure: 1. a corner case; 2. a transmission assembly; 21. a first drive shaft; 22. a second drive shaft; 23. a drive bevel gear; 24. a driven bevel gear; 3. a first mount; 4. a second mounting base; 5. an input assembly; 51. an input shaft; 52. a half ring; 53. a bolt; 6. an output shaft; 7. a first planetary gear set; 71. a connecting cylinder; 72. an inner gear ring; 73. a sun gear; 74. a planetary gear; 75. a planetary shaft; 8. a second planetary gear set.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical scheme of a double-tooth rotation angle structure of a planetary reducer: the utility model provides a planetary reducer double-tooth corner structure, including corner case 1, the inside of corner case 1 is provided with drive assembly 2, the both ends of corner case 1 are provided with first mount pad 3 and second mount pad 4 respectively, the inside rotation of first mount pad 3 is connected with input assembly 5, the inside rotation of second mount pad 4 is connected with output shaft 6, be connected with first planetary gear set 7 jointly between corner case 1 and first mount pad 3 and between drive assembly 2 and the input assembly 5, be connected with second planetary gear set 8 jointly between corner case 1 and the second mount pad 4 and between drive assembly 2 and output shaft 6, the structure of first planetary gear set 7 and second planetary gear set 8 is the same.
The input assembly 5 drives the transmission assembly 2 to rotate through the first planetary gear set 7, and the transmission assembly 2 drives the output shaft 6 to rotate through the second planetary gear set 8, and the structure increases the torque and the reduction ratio of the speed reducer through the first planetary gear set 7 and the second planetary gear set 8.
Referring to fig. 4, the transmission assembly 2 includes a first transmission shaft 21 and a second transmission shaft 22, wherein the output end of the first transmission shaft 21 is sleeved with a driving bevel gear 23, the input end of the second transmission shaft 22 is sleeved with a driven bevel gear 24, the driving bevel gear 23 and the driven bevel gear 24 are vertically engaged and connected, and the first transmission shaft 21 and the second transmission shaft 22 are respectively and rotatably connected at two ends of the corner case 1.
It should be noted that, when the drive bevel gear 23 is driven to rotate by the first transmission shaft 21, the drive bevel gear 23 drives the driven bevel gear 24 and the second transmission shaft 22 to rotate.
Referring to fig. 5, the input assembly 5 includes an input shaft 51, two sets of half rings 52 are symmetrically connected to an input end of the input shaft 51, and two sets of bolts 53 are screwed together at two ends of the two sets of half rings 52.
The output end of the driving device is inserted between the two sets of half rings 52, so that the two sets of bolts 53 are screwed to fix the driving device.
Referring to fig. 6, the first planetary gear set 7 includes a connecting tube 71, an inner ring surface of the connecting tube 71 is connected with an inner ring gear 72, a sun gear 73 is arranged at the center of the connecting tube 71, three groups of planetary gears 74 are arranged between the inner ring gear 72 and the sun gear 73, the three groups of planetary gears 74 are circumferentially and equally spaced, each group of planetary gears 74 is respectively meshed with the inner ring gear 72 and the sun gear 73, planetary shafts 75 are rotatably connected in the planetary gears 74, the first mounting seat 3, one group of connecting tube 71 and the corner case 1 form a fixed connection through bolts, the input end of one group of sun gears 73 is connected with the output end of the input shaft 51, the free ends of the three groups of planetary shafts 75 are connected with the input end of the first transmission shaft 21, the second mounting seat 4, the other group of connecting tube 71 and the corner case 1 form a fixed connection through bolts, the input end of the other group of the sun gears 73 is connected with the output end of the second transmission shaft 22, and the free ends of the other groups of planetary shafts 75 are connected with the input end of the output shaft 6.
It should be noted that, the first mounting seat 3, one set of connecting cylinders 71 and the corner case 1 are fixed by bolts, and the second mounting seat 4, the other set of connecting cylinders 71 and the corner case 1 are fixed by bolts, so that the first planetary gear set 7 or the second planetary gear set 8 can be assembled or overhauled and disassembled conveniently.
The input assembly 5 drives the sun gear 73 to rotate, the three sets of planet gears 74 rotate through the annular gear 72 and do circular motion around the sun gear 73, then the three sets of planet shafts 75 drive the first transmission shaft 21 to rotate, similarly, the second transmission shaft 22 drives the sun gear 73 to rotate, the three sets of planet gears 74 rotate through the annular gear 72 and do circular motion around the sun gear 73, and then the three sets of planet shafts 75 drive the output shaft 6 to rotate.
The working principle of the utility model is as follows: the input assembly 5 drives the sun gear 73 to rotate, the three groups of planetary gears 74 rotate through the annular gear 72 and do circular motion around the sun gear 73, then the three groups of planetary shafts 75 drive the first transmission shaft 21 to rotate, the first transmission shaft 21 drives the drive bevel gear 23 to rotate, then the drive bevel gear 23 drives the driven bevel gear 24 and the second transmission shaft 22 to rotate, the second transmission shaft 22 drives the sun gear 73 to rotate, the three groups of planetary gears 74 rotate through the annular gear 72 and do circular motion around the sun gear 73, and then the three groups of planetary shafts 75 drive the output shaft 6 to rotate.
Claims (7)
1. The utility model provides a planetary reducer double-tooth corner structure, includes corner case (1), the inside of corner case (1) is provided with drive assembly (2), the both ends of corner case (1) are provided with first mount pad (3) and second mount pad (4) respectively, the inside rotation of first mount pad (3) is connected with input assembly (5), the inside rotation of second mount pad (4) is connected with output shaft (6), a serial communication port, be connected with first planetary gear set (7) between corner case (1) and first mount pad (3) and between drive assembly (2) and input assembly (5) jointly, be connected with second planetary gear set (8) jointly between corner case (1) and second mount pad (4) and between drive assembly (2) and output shaft (6), the structure of first planetary gear set (7) and second planetary gear set (8) is the same.
2. The planetary reducer double-tooth corner structure according to claim 1, wherein the transmission assembly (2) comprises a first transmission shaft (21) and a second transmission shaft (22), the output end of the first transmission shaft (21) is sleeved with a driving bevel gear (23), the input end of the second transmission shaft (22) is sleeved with a driven bevel gear (24), and the driving bevel gear (23) and the driven bevel gear (24) are in vertical meshing connection.
3. A planetary reducer double-tooth corner structure according to claim 2, wherein the first transmission shaft (21) and the second transmission shaft (22) are respectively and rotatably connected to two ends of the corner case (1).
4. The planetary reducer double-tooth corner structure according to claim 1, wherein the input assembly (5) comprises an input shaft (51), two groups of semi-rings (52) are symmetrically connected to the input end of the input shaft (51), and two groups of bolts (53) are connected to two ends of the semi-rings (52) in a threaded mode.
5. The planetary reducer double-tooth corner structure according to claim 1, wherein the first planetary gear set (7) comprises a connecting cylinder (71), an inner annular surface of the connecting cylinder (71) is connected with an inner gear ring (72), a sun gear (73) is arranged in the center of the connecting cylinder (71), three groups of planetary gears (74) are arranged between the inner gear ring (72) and the sun gear (73), the three groups of planetary gears (74) are distributed in a circumferential shape and at equal intervals, each group of planetary gears (74) is in meshed connection with the inner gear ring (72) and the sun gear (73) respectively, and a planetary shaft (75) is rotatably connected in each group of planetary gears (74).
6. The double-tooth corner structure of the planetary reducer according to claim 5, wherein the first mounting seat (3), a group of connecting cylinders (71) and the corner case (1) are fixedly connected through bolts, the input ends of a group of sun gears (73) are connected with the output ends of the input shafts (51), and the free ends of three groups of planetary shafts (75) are connected with the input ends of the first transmission shaft (21).
7. The double-tooth corner structure of the planetary reducer according to claim 5, wherein the second mounting seat (4), the other group of connecting cylinders (71) and the corner box shell (1) are fixedly connected through bolts, the input end of the other group of sun gears (73) is connected with the output end of the second transmission shaft (22), and the free ends of the other three groups of planetary shafts (75) are connected with the input end of the output shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323303843.2U CN221120795U (en) | 2023-12-05 | 2023-12-05 | Double-tooth corner structure of planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323303843.2U CN221120795U (en) | 2023-12-05 | 2023-12-05 | Double-tooth corner structure of planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221120795U true CN221120795U (en) | 2024-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323303843.2U Active CN221120795U (en) | 2023-12-05 | 2023-12-05 | Double-tooth corner structure of planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221120795U (en) |
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2023
- 2023-12-05 CN CN202323303843.2U patent/CN221120795U/en active Active
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