CN210686898U - Hollow gear transmission speed reducer - Google Patents
Hollow gear transmission speed reducer Download PDFInfo
- Publication number
- CN210686898U CN210686898U CN201921357899.7U CN201921357899U CN210686898U CN 210686898 U CN210686898 U CN 210686898U CN 201921357899 U CN201921357899 U CN 201921357899U CN 210686898 U CN210686898 U CN 210686898U
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- Prior art keywords
- wall
- wave generator
- output shaft
- hollow
- driven gear
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 title description 11
- 238000009434 installation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002146 bilateral effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a cavity reduction gear technical field specifically is a cavity type gear drive decelerator, including wave generator, the upper end of wave generator is provided with the top cap, and the input shaft is installed to the upper end intermediate position of wave generator, and the bottom is installed to the lower extreme outer wall of wave generator, and the interlude outer wall of wave generator is provided with bilateral symmetry's a pair of mounting groove, and beneficial effect is: the utility model discloses an add the output shaft cover and replace traditional output shaft, and then less wearing and tearing in the shaft diameter direction, utilize the meshing between the internal tooth to realize speed reduction transmission, make the output more stable, the influence of transmission wearing and tearing to the output effect reduces; through the cooperation of complex planetary gear and driven gear about setting up, realize speed reduction transmission's purpose, simple structure, it is convenient to assemble to reduce the cost of assembly production, improve the practicality of device.
Description
Technical Field
The utility model relates to a cavity reduction gear technical field specifically is a cavity type gear drive decelerator.
Background
In the development of the hollow speed reducer in recent years, the variety and the performance of the hollow speed reducer have great breakthroughs, and the hollow speed reducer belongs to one of the categories with great technical difficulty in the field of speed reducers.
The output ratio of the motor provided with the hollow speed reducer is kept well, but the use cost is high due to the fact that assembly and manufacturing difficulty is relatively high, and the speed reduction effect and the service life of the hollow speed reducer are easily reduced due to abrasion of an output shaft in the use process.
Therefore, the hollow gear transmission speed reducer is provided, and the problems of abrasion and assembly of an output shaft of the hollow speed reducer are solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cavity type gear drive decelerator to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a hollow gear transmission speed reducer comprises a wave generator, a top cover is arranged at the upper end of the wave generator, an input shaft is arranged at the middle position of the upper end of the wave generator, a bottom cover is arranged on the outer wall of the lower end of the wave generator, a pair of bilaterally symmetrical mounting grooves is arranged on the outer wall of the middle section of the wave generator, an output shaft sleeve is sleeved at the middle section of the wave generator, a connecting rod is vertically arranged on the lower end face of the inner wall of the mounting groove, a driven gear is sleeved on the outer wall of the lower end of the connecting rod, the middle section of the connecting rod vertically extends upwards to the upper end face of the top cover, a planetary gear is arranged on the outer wall of the upper end of the connecting rod, the lower end of the input shaft is provided with a driving gear, the left end and the right end of the driving gear are respectively engaged with a pair of planetary gears which are symmetrical left and right, the inner wall of the output shaft sleeve is provided with inner teeth, and the outer wall of the output shaft sleeve is provided with a pair of connecting flanges which are bilaterally symmetrical.
Preferably, a first bearing is sleeved between the inner wall of the lower end of the top cover and the outer wall of the upper end of the wave generator, a first oil seal is sleeved at the upper end of the first bearing, and the top cover is fixedly installed on the upper end face of the wave generator through six screws distributed in a circumferential array.
Preferably, a second bearing is sleeved between the inner wall of the lower end of the bottom cover and the outer wall of the lower end of the wave generator, and a second oil seal is arranged at the lower end of the second bearing.
Preferably, driven gear installs the inner chamber at the mounting groove, and driven gear's inner wall has cup jointed spacing axle sleeve, and driven gear extends to the interlude outside of wave generator, the fixed joint of spacing axle sleeve is at the outer wall of connecting rod.
Preferably, the internal tooth and the driven gear meshing of output shaft sleeve, the internal tooth is located same height with the mounting groove, and leaves the clearance between the internal tooth and the interlude outer wall of wave generator.
Preferably, the connecting flange is fixedly welded on the outer wall of the output shaft sleeve, the connecting flange and the mounting groove are located at the same height, and the end face of the connecting flange is provided with a mounting hole which penetrates through the connecting flange from top to bottom.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an add the output shaft cover and replace traditional output shaft, and then less wearing and tearing in the shaft diameter direction, utilize the meshing between the internal tooth to realize speed reduction transmission, make the output more stable, the influence of transmission wearing and tearing to the output effect reduces;
2. the utility model discloses a complex planetary gear and driven gear's cooperation about setting up realizes speed reduction transmission's purpose, simple structure, and it is convenient to assemble to reduce the cost of assembly production, improve the practicality of device.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded view of the three-dimensional structure of the present invention.
In the figure: 1 wave generator, 2 top covers, 3 bottom covers, 4 screws, 5 input shafts, 6 driving gears, 7 connecting rods, 8 planetary gears, 9 output shaft sleeves, 10 connecting flanges, 11 first bearings, 12 second bearings, 13 driven gears, 14 mounting grooves, 15 limiting shaft sleeves, 16 internal teeth, 17 first oil seals and 18 second oil seals.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1 to 2, the present invention provides a technical solution:
the utility model provides a cavity type gear drive decelerator, includes wave generator 1, the upper end of wave generator 1 is provided with top cap 2, first bearing 11 has been cup jointed between the lower extreme inner wall of top cap 2 and the upper end outer wall of wave generator 1, first oil blanket 17 has been cup jointed to the upper end of first bearing 11, six screws 4 fixed mounting that top cap 2 distributes through the circumference array are at the up end of wave generator 1, utilize top cap 2 and first oil blanket 17 to realize the sealed of wave generator 1 upper end outer wall.
The bottom cover 3 is installed on the outer wall of the lower end of the wave generator 1, the second bearing 12 is sleeved between the inner wall of the lower end of the bottom cover 3 and the outer wall of the lower end of the wave generator 1, the second oil seal 18 is arranged at the lower end of the second bearing 12, the bottom cover 3 and the second oil seal 18 are used for sealing the outer wall of the lower end of the wave generator 1, and meanwhile, the top cover 2 and the bottom cover 3 are fixedly installed through the screws 4.
An input shaft 5 is installed in the middle of the upper end of the wave generator 1, a driving gear 6 is arranged at the lower end of the input shaft 5, and kinetic energy is input by means of the driving gear 6 and the input shaft 5.
The vertical up extension of interlude of connecting rod 7 to the up end of top cap 2, planetary gear 8 is installed to the upper end outer wall of connecting rod 7, and the left and right sides both ends of driving gear 6 mesh with a pair of planetary gear 8 of bilateral symmetry respectively, utilizes planetary gear 8 to realize transmitting the kinetic energy of driving gear 6 to the driven gear 13 of lower extreme.
The outer wall of output axle sleeve 9 is provided with bilateral symmetry's a pair of flange 10, and flange 10 fixed welding is at the outer wall of output axle sleeve 9, and flange 10 and mounting groove 14 are located same height, and the mounting hole that runs through about flange 10's terminal surface is provided with utilizes flange 10 to realize driven output, and then makes the output more stable, and transmission wearing and tearing reduce the influence of output effect.
The working principle is as follows: firstly, the top cover 2 and the first oil seal 17 are used for sealing the outer wall of the upper end of the wave generator 1, the bottom cover 3 and the second oil seal 18 are used for sealing the outer wall of the lower end of the wave generator 1, meanwhile, the top cover 2 and the bottom cover 3 are fixedly installed through the screws 4, and the connecting rod 7 and the driven gear 13 are installed through the installation groove 14.
Utilize driving gear 6 and input shaft 5 to realize the input of kinetic energy, utilize planetary gear 8 to realize transmitting the kinetic energy of driving gear 6 to the driven gear 13 of lower extreme, utilize internal tooth 16 to realize output shaft sleeve 9 and driven gear 13's meshing, utilize output shaft sleeve 9 to replace traditional output shaft, and then the ascending wearing and tearing of less footpath, utilize the meshing between internal tooth 16 and the driven gear 13 to realize speed reduction transmission, make the output more stable, the influence of transmission wearing and tearing to the output effect reduces.
Utilize driven gear 13 and planetary gear 8's drive ratio to realize speed reduction transmission's purpose, utilize flange 10 to realize driven output, simple structure, it is convenient to assemble to reduce the cost of assembly production, improve the practicality of device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A hollow type gear transmission speed reducing device comprises a wave generator (1), and is characterized in that: the upper end of the wave generator (1) is provided with a top cover (2), an input shaft (5) is installed at the middle position of the upper end of the wave generator (1), a bottom cover (3) is installed on the outer wall of the lower end of the wave generator (1), a pair of bilaterally symmetrical installation grooves (14) is formed in the outer wall of the middle section of the wave generator (1), an output shaft sleeve (9) is sleeved on the middle section of the wave generator (1), a connecting rod (7) is vertically arranged on the lower end face of the inner wall of the installation groove (14), a driven gear (13) is sleeved on the outer wall of the lower end of the connecting rod (7), the middle section of the connecting rod (7) vertically extends upwards to the upper end face of the top cover (2), a planetary gear (8) is installed on the outer wall of the upper end of the connecting rod (7), a driving gear (, the inner wall of the output shaft sleeve (9) is provided with inner teeth (16), and the outer wall of the output shaft sleeve (9) is provided with a pair of connecting flanges (10) which are bilaterally symmetrical.
2. A hollow-type gear reduction unit according to claim 1, wherein: first bearing (11) have been cup jointed between the lower extreme inner wall of top cap (2) and the upper end outer wall of wave generator (1), first oil blanket (17) have been cup jointed to the upper end of first bearing (11), and six screws (4) fixed mounting that top cap (2) distributed through the circumference array are at the up end of wave generator (1).
3. A hollow-type gear reduction unit according to claim 1, wherein: and a second bearing (12) is sleeved between the inner wall of the lower end of the bottom cover (3) and the outer wall of the lower end of the wave generator (1), and a second oil seal (18) is arranged at the lower end of the second bearing (12).
4. A hollow-type gear reduction unit according to claim 1, wherein: driven gear (13) are installed in the inner chamber of mounting groove (14), and spacing axle sleeve (15) have been cup jointed to the inner wall of driven gear (13), and driven gear (13) extend to the interlude outside of wave generator (1), the outer wall at connecting rod (7) is connected in the fixed joint of spacing axle sleeve (15).
5. A hollow-type gear reduction unit according to claim 1, wherein: the internal tooth (16) and the driven gear (13) meshing of output shaft sleeve (9), internal tooth (16) and mounting groove (14) are located same height, and leave the clearance between the interlude outer wall of internal tooth (16) and wave generator (1).
6. A hollow-type gear reduction unit according to claim 1, wherein: the connecting flange (10) is fixedly welded on the outer wall of the output shaft sleeve (9), the connecting flange (10) and the mounting groove (14) are located at the same height, and the end face of the connecting flange (10) is provided with a mounting hole which penetrates through the connecting flange from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921357899.7U CN210686898U (en) | 2019-08-21 | 2019-08-21 | Hollow gear transmission speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921357899.7U CN210686898U (en) | 2019-08-21 | 2019-08-21 | Hollow gear transmission speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210686898U true CN210686898U (en) | 2020-06-05 |
Family
ID=70886594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921357899.7U Expired - Fee Related CN210686898U (en) | 2019-08-21 | 2019-08-21 | Hollow gear transmission speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210686898U (en) |
-
2019
- 2019-08-21 CN CN201921357899.7U patent/CN210686898U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 |