CN219932930U - Novel high-precision planetary reducer output transmission structure - Google Patents
Novel high-precision planetary reducer output transmission structure Download PDFInfo
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- CN219932930U CN219932930U CN202320576287.7U CN202320576287U CN219932930U CN 219932930 U CN219932930 U CN 219932930U CN 202320576287 U CN202320576287 U CN 202320576287U CN 219932930 U CN219932930 U CN 219932930U
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Abstract
The utility model relates to the technical field of planetary speed reducers, in particular to a novel high-precision planetary speed reducer output transmission structure. The technical proposal comprises: the planetary gear box comprises a reduction box body, wherein an input rotating shaft and an output rotating shaft are respectively connected to two sides of the reduction box body in a rotating mode, an inner partition plate is fixedly connected to the middle position in the reduction box body, the inner partition plate is of an annular structure, a central gear is connected to the center position of the inner side of the reduction box body in a rotating mode, an outer gear sleeve is fixed to the inner side wall of the reduction box body, and a group of planetary gears are meshed between the outer gear sleeve and the central gear. When the speed reducer is braked, the ceramic brake plate of the brake mechanism can be used for braking the transmission plate, so that the rotation of the transmission plate is stopped rapidly, the problem of reduction of transmission precision caused by continuous rotation due to inertia is avoided, and the connecting rotating shaft and the transmission plate can be disconnected by utilizing the adsorption of the electromagnet to the telescopic clamping block, so that the problems of serious inertia impact and gear damage caused by emergency braking can be avoided.
Description
Technical Field
The utility model relates to the technical field of planetary speed reducers, in particular to a novel high-precision planetary speed reducer output transmission structure.
Background
The planetary reducer is a rotating shaft speed reducing device driven by a planetary gear, and the input rotating shaft rotating at a high speed is converted into the output rotating shaft rotating at a low speed to drive by utilizing the mutual matching of a large gear and the planetary gear, so that the torque can be increased.
In the process of rotation driving, because the output end of the driving motor rotates for one time due to inertia even after power failure, when the accurate rotation driving control is needed, the driving motor does not have a corresponding emergency braking structure, and the actual requirement is difficult to meet, but if a braking structure for braking the output rotating shaft is directly arranged in the reduction gearbox, the output rotating shaft is rapidly braked, a gear assembly in the reduction gearbox is subjected to extremely large inertia impact force, and the gear is extremely likely to be filtered and worn or even directly damaged, so that the planetary reducer capable of rapidly braking the output rotating shaft and avoiding the internal gear from being subjected to large inertia impact is required to ensure the high-precision operation of the planetary reducer.
Disclosure of Invention
The utility model aims to solve the problems in the background art and provides a novel high-precision planetary reducer output transmission structure.
The technical scheme of the utility model is as follows: the utility model provides a novel high-precision planetary reducer output transmission structure, includes the reducing gear box, the reducing gear box both sides rotate respectively and are connected with input shaft and output shaft, intermediate position fixedly connected with internal baffle in the reducing gear box, the internal baffle is cyclic annular structure, the inboard central point of reducing gear box puts and rotates and be connected with the sun gear, the reducing gear box inside wall is fixed with the external gear cover, the meshing has a set of planetary gear between external gear cover and the sun gear, planetary gear central point puts and all rotates and is connected with the connection shaft, the drive plate is installed to connection shaft outside one end, the drive plate is located the internal baffle outside, drive plate and output shaft fixed connection, sun gear and input shaft fixed connection, reducing gear box inside wall and the corresponding position of drive plate are provided with brake mechanism.
Preferably, the braking mechanism comprises a mounting block and a ceramic braking plate, wherein the mounting block is fixedly connected to the inner side wall of the reduction gearbox and is aligned to the transmission plate, and the ceramic braking plate is movably mounted at one end, close to the transmission plate, of the mounting block.
Preferably, a cylinder is arranged in the mounting block and at a position corresponding to the ceramic brake pad, and the output end of the cylinder is fixedly connected with the ceramic brake pad.
Preferably, the connecting rotating shaft comprises a guide shaft and a telescopic clamping block, the guide shaft is rotationally connected with the planetary gear, the telescopic clamping block is arranged at one end, close to the transmission plate, of the guide shaft, a connecting clamping groove is formed in the transmission plate and corresponds to the telescopic clamping block, and the end part of the telescopic clamping block is spliced in the connecting clamping groove.
Preferably, a movable groove is formed in the telescopic clamping block, a fixed block matched with the movable groove is fixed at the end part of the guide shaft, a reset spring is fixedly connected between the fixed block and the inner side wall of the movable groove, the telescopic clamping block can be inserted into the connecting clamping groove by pushing of the reset spring, and the transmission plate rotates along with the circumferential rotation of the planetary gear.
Preferably, the end part of the fixing block is provided with a mounting groove, an electromagnet (43) is mounted in the mounting groove, and the telescopic clamping block can be adsorbed by utilizing the electrifying of the electromagnet, so that the telescopic clamping block can be pulled out from the connecting clamping groove.
Compared with the prior art, the utility model has the following beneficial technical effects: when the speed reducer is braked, the ceramic brake block of the brake mechanism can be utilized to brake the transmission plate, so that the speed reducer can be rapidly stopped to rotate, the problem of reduction of transmission precision caused by continuous rotation caused by inertia is avoided, and the connection rotating shaft and the transmission plate can be disconnected by utilizing the adsorption of the electromagnet to the telescopic clamping block, thereby avoiding the problems of emergency braking, large inertia impact and gear damage.
Drawings
FIG. 1 is a schematic side sectional view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic side cross-sectional view of a planetary gear of the present utility model;
fig. 4 is a schematic view of the appearance structure of the driving plate of the present utility model.
Reference numerals: 1. a reduction gearbox; 11. an inner partition; 12. a sun gear; 13. a planetary gear; 14. an external gear sleeve; 15. a drive plate; 2. an input rotating shaft; 3. an output shaft; 4. the connecting rotating shaft; 41. a guide shaft; 42. a telescopic clamping block; 43. an electromagnet; 44. a return spring; 45. a connecting clamping groove; 5. a braking mechanism; 51. a mounting block; 52. a cylinder; 53. ceramic brake pads.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Examples
As shown in fig. 1-4, the novel high-precision planetary reducer output transmission structure provided by the utility model comprises a reduction gearbox 1, wherein two sides of the reduction gearbox 1 are respectively and rotatably connected with an input rotating shaft 2 and an output rotating shaft 3, an inner partition plate 11 is fixedly connected to the middle position in the reduction gearbox 1, the inner partition plate 11 is of an annular structure, a central gear 12 is rotatably connected to the inner side central position of the reduction gearbox 1, an outer gear sleeve 14 is fixedly arranged on the inner side wall of the reduction gearbox 1, a group of planetary gears 13 are meshed between the outer gear sleeve 14 and the central gear 12, connecting rotating shafts 4 are rotatably connected to the central positions of the planetary gears 13, a transmission plate 15 is arranged at one end of the outer side of the connecting rotating shafts 4, the transmission plate 15 is positioned on the outer side of the inner partition plate 11, the transmission plate 15 is fixedly connected with the output rotating shafts 3, the central gear 12 is fixedly connected with the input rotating shafts 2, and a braking mechanism 5 is arranged on the inner side wall of the reduction gearbox 1 and at the position corresponding to the transmission plate 15.
The braking mechanism 5 comprises a mounting block 51 and a ceramic braking plate 53, wherein the mounting block 51 is fixedly connected to the inner side wall of the reduction gearbox 1, the position of the mounting block is aligned with the transmission plate 15, the ceramic braking plate 53 is movably mounted at one end, close to the transmission plate 15, of the mounting block 51, a cylinder 52 is mounted in the mounting block 51 and corresponds to the position of the ceramic braking plate 53, the output end of the cylinder 52 is fixedly connected with the ceramic braking plate 53, the ceramic braking plate 53 is pushed by the output end of the cylinder 52, and the ceramic braking plate 53 is attached to the outer side wall of the transmission plate 15, so that the purpose of braking is achieved.
The connecting rotating shaft 4 comprises a guide shaft 41 and a telescopic clamping block 42, the guide shaft 41 is rotationally connected with the planetary gear 13, the telescopic clamping block 42 is arranged at one end, close to the transmission plate 15, of the guide shaft 41, a connecting clamping groove 45 is formed in the transmission plate 15 and corresponds to the telescopic clamping block 42, the end part of the telescopic clamping block 42 is inserted into the connecting clamping groove 45, a movable groove is formed in the telescopic clamping block 42, a fixed block matched with the movable groove is fixed at the end part of the guide shaft 41, a reset spring 44 is fixedly connected between the fixed block and the inner side wall of the movable groove, an installation groove is formed in the end part of the fixed block, an electromagnet 43 is installed in the installation groove, the electromagnet 43 is electrified to generate a magnetic field, the telescopic clamping block 42 is adsorbed, the telescopic clamping block 42 moves far away from the transmission plate 15, and finally slides out of the connecting clamping groove 45, so that the connecting rotating shaft 4 is disconnected from the transmission plate 15, and the sun gear 12 and the planetary gear 13 in the reduction box 1 can still rotate normally and decelerate until the movement is naturally stopped.
Firstly, the input rotating shaft 2 is connected with the output end of the driving device, the input rotating shaft 2 can be driven to rotate, so that the central gear 12 rotates synchronously, the planetary gear 13 synchronously rotates in an automatic process through the meshing transmission of the outer gear sleeve 14, the transmission plate 15 is driven to rotate, the driving rotating shaft of the output rotating shaft 3 is finally realized, when the driving is stopped, the output end of the air cylinder 52 can be utilized to push the ceramic brake piece 53, the ceramic brake piece 53 is attached to the outer side wall of the transmission plate 15, the purpose of braking is realized, the continuous rotation caused by inertia is avoided, the high precision of the planetary reducer is ensured, the air cylinder 52 is started, meanwhile, the electromagnet 43 can be electrified, a magnetic field is generated, the telescopic clamping block 42 is adsorbed, the telescopic clamping block 42 moves to the side far away from the transmission plate 15, finally slides out from the connecting clamping groove 45, in the process, the reset spring 44 is compressed, and even when the transmission plate 15 stops driving, the ceramic brake piece 53 is attached to the outer side wall of the transmission plate 15, the central gear 12 and the gear 13 in the reduction box 1 can still stop naturally until the whole reduction box is stopped, and the inertia is not damaged, and the whole reduction box is not normally braked, and the inertia is not damaged.
The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (6)
1. The utility model provides a novel high-precision planetary reducer output transmission structure, includes reducing gear box (1), the reducing gear box (1) both sides rotate respectively and are connected with input pivot (2) and output pivot (3), its characterized in that: the novel speed reducer is characterized in that an inner partition plate (11) is fixedly connected to the middle position in the speed reducer (1), the inner partition plate (11) is of an annular structure, a central gear (12) is rotatably connected to the inner side central position of the speed reducer (1), an outer gear sleeve (14) is fixedly arranged on the inner side wall of the speed reducer (1), a group of planetary gears (13) are meshed between the outer gear sleeve (14) and the central gear (12), connecting rotating shafts (4) are rotatably connected to the central positions of the planetary gears (13), a transmission plate (15) is arranged at one end of the outer side of each connecting rotating shaft (4), the transmission plate (15) is located on the outer side of the inner partition plate (11), the transmission plate (15) is fixedly connected with an output rotating shaft (3), and a braking mechanism (5) is arranged at the corresponding position of the inner side wall of the speed reducer (1) and the transmission plate (15).
2. The novel high-precision planetary reducer output transmission structure according to claim 1, wherein the brake mechanism (5) comprises a mounting block (51) and a ceramic brake block (53), the mounting block (51) is fixedly connected to the inner side wall of the reduction gearbox (1) and is aligned with the transmission plate (15), and the ceramic brake block (53) is movably mounted at one end, close to the transmission plate (15), of the mounting block (51).
3. The novel high-precision planetary reducer output transmission structure according to claim 2 is characterized in that an air cylinder (52) is arranged in the mounting block (51) and at a position corresponding to the ceramic brake plate (53), and the output end of the air cylinder (52) is fixedly connected with the ceramic brake plate (53).
4. The novel high-precision planetary reducer output transmission structure according to claim 1, wherein the connecting rotating shaft (4) comprises a guide shaft (41) and a telescopic clamping block (42), the guide shaft (41) is rotationally connected with the planetary gear (13), the telescopic clamping block (42) is arranged at one end, close to the transmission plate (15), of the guide shaft (41), a connecting clamping groove (45) is formed in the transmission plate (15) and at a position corresponding to the telescopic clamping block (42), and the end part of the telescopic clamping block (42) is inserted into the connecting clamping groove (45).
5. The novel high-precision planetary reducer output transmission structure according to claim 4, wherein a movable groove is formed in the telescopic clamping block (42), a fixed block matched with the movable groove is fixed at the end part of the guide shaft (41), and a reset spring (44) is fixedly connected between the fixed block and the inner side wall of the movable groove.
6. The novel high-precision planetary reducer output transmission structure according to claim 5, wherein the end part of the fixed block is provided with a mounting groove, and an electromagnet (43) is mounted in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320576287.7U CN219932930U (en) | 2023-03-22 | 2023-03-22 | Novel high-precision planetary reducer output transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320576287.7U CN219932930U (en) | 2023-03-22 | 2023-03-22 | Novel high-precision planetary reducer output transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932930U true CN219932930U (en) | 2023-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320576287.7U Active CN219932930U (en) | 2023-03-22 | 2023-03-22 | Novel high-precision planetary reducer output transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932930U (en) |
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2023
- 2023-03-22 CN CN202320576287.7U patent/CN219932930U/en active Active
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