CN211501498U - Composite speed reducer - Google Patents
Composite speed reducer Download PDFInfo
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- CN211501498U CN211501498U CN201922460189.3U CN201922460189U CN211501498U CN 211501498 U CN211501498 U CN 211501498U CN 201922460189 U CN201922460189 U CN 201922460189U CN 211501498 U CN211501498 U CN 211501498U
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- supporting disc
- speed reducer
- supporting disk
- input shaft
- gear
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Abstract
The utility model relates to a compound speed reducer, including the poor planetary drive speed reducer of worm drive speed reducer and few tooth, the worm drive speed reducer box is through connection pad locking connection front supporting disk, it is preceding, cross-under back supporting disk between the back supporting disk, the spline input shaft other end is before the bearing cross-under, back supporting disk, it is preceding, the back supporting disk is outer through bearing support organism, it is preceding, the epaxial key joint eccentric cover of spline input between the back supporting disk, two planetary gear of cross-under through eccentric bearing are put on the eccentric cover, two planetary gear are in the front through the eccentric shaft cross-under, between the back supporting disk, the ring gear at internal gear including two planetary gear meshing, the outer ring gear output of internal gear, the internal gear passes through the bolt and connects on the organism, back supporting disk linking bridge. The internal gear is driven to rotate by the worm, the worm wheel, the spline input shaft and the planetary gear, so that the torque is output by the external gear ring of the internal gear, and the torque-variable transmission has the advantages of compact structure, large transmission ratio, overload energy consumption, large torque, strong overload bearing capacity, stable operation, low noise, long service life and the like.
Description
Technical Field
The utility model relates to a speed reducer specifically is a compound speed reducer.
Background
With the rapid development of industrial technology in China, the speed reducer is widely applied to mechanical equipment in the industries of metallurgy, mine, chemical industry, building, agriculture, transportation, power generation and the like. The requirements for speed reducers are higher and higher, and the requirements for the speed reducers generally include structural requirements, transmission ratios, overload capacity, torque requirements, overload bearing capacity, operation requirements, noise requirements, service life requirements and the like, and the traditional speed reducer with a single transmission structure cannot meet the increasingly improved requirements for the performance of mechanical equipment.
Disclosure of Invention
The utility model provides a compact structure has drive ratio, overload, moment of torsion, bearing capacity concurrently, the compound speed reducer that performance is good.
The utility model adopts the technical proposal that: a compound speed reducer which is characterized in that: the worm transmission speed reducer comprises a box body, a worm wheel and a spline input shaft, wherein the worm is meshed with the worm wheel and is arranged in the box body, one end of the spline input shaft is connected to the worm wheel in a penetrating manner, the small-tooth-difference planetary transmission speed reducer comprises a machine body, a front supporting disc, a rear supporting disc, an eccentric sleeve, planetary gears, an inner gear and an eccentric planetary shaft, the box body is connected with the front supporting disc through a connecting disc in a locking manner, a supporting shaft is connected between the front supporting disc and the rear supporting disc in a penetrating manner, the other end of the spline input shaft is connected with the front supporting disc and the rear supporting disc through a bearing, the front supporting disc and the rear supporting disc are externally supported by the bearing support machine body, the spline input shaft between the front supporting disc and the rear supporting disc is connected with the eccentric sleeve through a key, the eccentric sleeve is connected with two planetary gears through an eccentric bearing, the two, the outer gear ring of the inner gear is output, the inner gear is connected on the machine body in a penetrating way through a bolt, and the rear supporting disc is connected with the support.
Furthermore, the other end of the spline input shaft is sleeved with a distance ring and is positioned and supported in a double-row roller bearing, and the double-row roller bearing is supported in an inner hole of the rear supporting disc through a positioning ring plate.
Furthermore, both sides of the front and rear supporting discs are provided with supporting foot seats.
Furthermore, the outer end of an inner hole of the rear supporting disc, which penetrates through the spline input shaft, is a threaded section, and a threaded plug cap is screwed in the threaded section.
The utility model discloses from overall structure combined the poor planetary drive speed reducer of worm drive speed reducer and few tooth, it is rotatory through worm, worm wheel, spline input shaft, planetary gear drive internal gear to through the outer ring gear output of internal gear, effectively compromise the excellent performance of the poor speed reducer of few tooth and worm gear speed reducer, have compact structure, transmission ratio is big, overload nature energy consumption, the moment of torsion is big, bear the overload capacity reinforce, and advantages such as operate steadily, the noise is little, longe-lived.
Drawings
The following further description is made in conjunction with the accompanying drawings and examples.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a left side view of fig. 1.
In the figure: the device comprises a box body 1, a worm 2, a worm wheel 3, a spline input shaft 4, a connecting disc 5, a front supporting disc 6, an eccentric sleeve 7, a planetary gear 8, an eccentric shaft 9, an internal gear 10, a rear supporting disc 11, a distance ring 12, a double-row roller bearing 13, a positioning ring plate 14, a threaded plug cap 15, a support 16, a machine body 17 and a support base 18.
Detailed Description
The following further description is made in conjunction with the accompanying drawings and examples.
Shown in FIGS. 1 and 2: a composite speed reducer comprises a box body 1, a worm 2, a worm wheel 3, a spline input shaft 4, a connecting disc 5, a front supporting disc 6, an eccentric sleeve 7, a planetary gear 8, an eccentric shaft 9, an internal gear 10, a rear supporting disc 11, a distance ring 12, a double-row roller bearing 13, a positioning ring plate 14, a threaded plug cap 15, a support 16, a machine body 17 and a support base 18. The worm 2 is meshed with a worm wheel 3 and is arranged in the box body 1, and one end of a spline input shaft 4 is connected to the worm wheel 3 in a penetrating manner; the box body 1 is connected with a front supporting disk 6 through a connecting disk 5 in a locking way, the front and rear supporting disks 6 and 11 are connected through a supporting shaft in a penetrating way, the other end of a spline input shaft 4 is connected with the front and rear supporting disks through a bearing in a penetrating way, the other end of the spline input shaft is sleeved with a distance ring 12 and is positioned and supported in a double-row roller bearing 13, the double-row roller bearing is supported in an inner hole of the rear supporting disk through a positioning ring plate 14, the front and rear supporting disks are externally connected with a machine body 17 through the bearing in a supporting way, an eccentric sleeve 7 is connected on the spline input shaft between the front and rear supporting disks in a key way, the eccentric sleeve is connected with two planetary gears 8 through an eccentric bearing in a penetrating way, the two planetary gears are connected between the front and rear supporting disks through eccentric shafts 9, the two planetary gears 8 are meshed with inner gear rings of an inner gear 10, the outer gear rings of; the outer end of the inner hole of the rear supporting disc, which is connected with the spline input shaft in a penetrating way, is a threaded section, and a threaded plug cap 15 is screwed in the threaded section.
Claims (4)
1. A compound speed reducer which is characterized in that: the worm transmission speed reducer comprises a box body, a worm wheel and a spline input shaft, wherein the worm is meshed with the worm wheel and is arranged in the box body, one end of the spline input shaft is connected to the worm wheel in a penetrating manner, the small-tooth-difference planetary transmission speed reducer comprises a machine body, a front supporting disc, a rear supporting disc, an eccentric sleeve, planetary gears, an inner gear and an eccentric planetary shaft, the box body is connected with the front supporting disc through a connecting disc in a locking manner, a supporting shaft is connected between the front supporting disc and the rear supporting disc in a penetrating manner, the other end of the spline input shaft is connected with the front supporting disc and the rear supporting disc through a bearing, the front supporting disc and the rear supporting disc are externally supported by the bearing support machine body, the spline input shaft between the front supporting disc and the rear supporting disc is connected with the eccentric sleeve through a key, the eccentric sleeve is connected with two planetary gears through an eccentric bearing, the two, the outer gear ring of the inner gear is output, the inner gear is connected on the machine body in a penetrating way through a bolt, and the rear supporting disc is connected with the support.
2. The compound speed reducer according to claim 1, characterized in that: the other end of the spline input shaft is sleeved with a distance ring to be positioned and supported in a double-row roller bearing, and the double-row roller bearing is supported in an inner hole of a rear supporting disc through a positioning ring plate.
3. The compound speed reducer according to claim 1, characterized in that: and supporting foot seats are arranged on two sides of the front supporting disk and the rear supporting disk.
4. A compound reducer according to claim 1 or 2, wherein: the outer end of an inner hole of the rear supporting disc, which penetrates through the spline input shaft, is a threaded section, and a threaded plug cap is screwed in the threaded section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922460189.3U CN211501498U (en) | 2019-12-30 | 2019-12-30 | Composite speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922460189.3U CN211501498U (en) | 2019-12-30 | 2019-12-30 | Composite speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211501498U true CN211501498U (en) | 2020-09-15 |
Family
ID=72397036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922460189.3U Active CN211501498U (en) | 2019-12-30 | 2019-12-30 | Composite speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211501498U (en) |
-
2019
- 2019-12-30 CN CN201922460189.3U patent/CN211501498U/en active Active
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