CN205190641U - Parallel -axis helical gear reducer - Google Patents
Parallel -axis helical gear reducer Download PDFInfo
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- CN205190641U CN205190641U CN201521012919.9U CN201521012919U CN205190641U CN 205190641 U CN205190641 U CN 205190641U CN 201521012919 U CN201521012919 U CN 201521012919U CN 205190641 U CN205190641 U CN 205190641U
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- output shaft
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- ball bearing
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Abstract
The utility model discloses a parallel -axis helical gear reducer, including box and preceding cover, be provided with the hollow output shaft in the box, first gear shaft and second gear shaft, first gear shaft, the horizontal central line parallel of each other of second gear shaft and output shaft, first gear has been cup jointed on the output shaft, first gear and the meshing of the epaxial tooth of second gear, the second gear has been cup jointed on the second gear shaft, second gear and the meshing of the epaxial tooth of first gear, the third gear has been cup jointed on the first gear shaft, the tip diameter of first gear is greater than the tip diameter of second gear, the tip diameter of second gear is greater than the tip diameter of third gear, being provided with the keyway on the output shaft surface, being provided with the parallel key in the keyway, it is fixed that first gear passes through the parallel key connection, and the parallel key left end is provided with the distance ring, and the distance ring cup joints on the output shaft, and is fixed through the distance ring the parallel key. Above -mentioned technical scheme, structural design is reasonable, simple structure, install and remove the processing ease, that the velocity ratio is changed is convenient.
Description
Technical field
The utility model relates to speed reducer technical field, is specifically related to a kind of parallel-shaft bevel wheel reducer.
Background technique
Speed reducer is a kind of power transmission mechanism, utilizes the velocity transducer of gear, the winding number of motor (motor) is decelerated to desired winding number, and obtains the mechanism of larger torque.Current in the mechanism of transferring power and motion, the application area of speed reducer is quite extensive.Its trace almost can be seen in the transmission system of various machinery, from boats and ships, automobile, the locomotive of the traffic tool, heavy machinery for building, the machining machine and tool that mechanical industry is used and automated production equipment, household electrical appliances common in daily life, clock and watch etc.Its application is from the transmission work of large power, and to Smaller load, accurate angle transmission can see the application of speed reducer, and in commercial Application, speed reducer has deceleration and increases torque functions.Therefore be widely used in the conversion equipment of speed and moment of torsion, retarder of a great variety, gear reducer, worm reducer and plane table thermoconductivity meter can be divided into according to actuation types; Single-stage and multi-stage speed reducer can be divided into according to transmission progression difference; Cylinder gear speed reducer, cone gear reducer and circular cone-cylinder gear speed reducer can be divided into according to gear shape; Expansion, flow deviding type and coaxial-type retarder can be divided into again according to the setting type of transmission, wherein gear reducer is modal, but the complex structure of gear reducer of the prior art, assembly and disassembly operations bothers, the speed ratio of general existing gear reducer is fixing, is just difficult to change speed ratio after assembling, and uses inconvenience, cause Distributor stock many, operating cost is many.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is to provide that a kind of reasonable in design, structure are simple, assembly and disassembly operations is easy, speed ratio changes parallel-shaft bevel wheel reducer easily.
For achieving the above object, the utility model provides following technological scheme: a kind of parallel-shaft bevel wheel reducer, comprise casing and front cover, described front cover and casing front end removably connect, hollow output shaft, the first gear shaft and the second gear shaft is provided with in described casing, described output shaft is arranged on casing lower end, and the first gear shaft is arranged on casing upper end, and the second gear shaft is between the first gear shaft and output shaft; The cross central line of described first gear shaft, the second gear shaft and output shaft is parallel to each other, described output shaft is socketed with the first gear, first gear engages with the tooth on the second gear shaft, described second gear shaft is socketed with the second gear, described second gear engages with the tooth on the first gear shaft, described first gear shaft is socketed with the 3rd gear, the tip diameter of described first gear is greater than the tip diameter of described second gear, and the tip diameter of described second gear is greater than the tip diameter of described 3rd gear; Described output shaft outer surface is provided with keyway, is provided with flat key in described keyway, described first gear is connected and fixed by flat key, and described flat key left end is provided with distance ring, and described distance ring is socketed on output shaft, fixes described flat key by distance ring.
By adopting technique scheme, vibrational power flow is reasonable, and structure is simple, and assembly and disassembly operations is easy, and just can be changed the gear ratio of parallel-shaft bevel wheel reducer by the first gear on replacing output shaft and the second gear shaft, speed ratio is changed convenient; Suitable gear pair can be installed according to the speed ratio of the actual order requirements of client by Distributor, reaches reduction assembling difficulty, reduces stock, and the object of delivery fast, effectively reduces operating cost.
The utility model is set to further: described output shaft left end is socketed with first deep groove ball bearing, second deep groove ball bearing is socketed with in the middle part of output shaft, output shaft right-hand member is socketed with the 3rd deep groove ball bearing, described second deep groove ball bearing is provided with dunnage, and described dunnage is fixedly connected with cabinet wall face; Described first deep groove ball bearing right side compresses described distance ring, distance ring right side compresses described flat key left side, described first deep groove ball bearing left end is provided with first circlip for hole, first circlip for hole left end is provided with the first outside framework oil seal, and the first circlip for hole and the first outside framework oil seal are all socketed in output shaft left end, and compress described first deep groove ball bearing by the first circlip for hole; Described 3rd deep groove ball bearing right-hand member is provided with second circlip for hole, second circlip for hole right-hand member is provided with the second outside framework oil seal, and the second circlip for hole and the second outside framework oil seal are all socketed in output shaft right-hand member, and compress described 3rd deep groove ball bearing by the second circlip for hole.By this setting, vibrational power flow is more reasonable, and output shaft mounting or dismounting are convenient, fixing reliable, and make the first gear replacement operation convenient, efficiency is high.
The utility model is also set to further: described distance ring comprises inner ring and outer ring, and described inner ring and outer ring are adhesively fixed, the thick 6mm of described inner ring, the thick 6.5mm in outer ring, and described inner ring is formed by stainless steel material manufacture, and outer ring is formed by rubber material manufacture.By this setting, distance ring vibrational power flow is reasonable, and connect reliable, long service life, cost is low.
The utility model is also set to further: be all socketed with tapered roller bearing in the middle part of described second gear shaft left end and the second gear shaft.By this setting, tapered roller bearing arranges rationally, and the second gear shaft work is more reasonable.
The utility model is also set to further: described first two ends, gear shaft left and right are all socketed with the 4th deep groove ball bearing.By this setting, the 4th deep groove ball bearing arranges rationally, and the first gear shaft work is more reasonable.
The utility model is also set to further: described casing and front cover are connected by screw fixing.By this setting, casing and the mounting or dismounting of front cover easily, connect reliable.
The utility model has the advantages that: compared with prior art, the utility model vibrational power flow is more reasonable, vibrational power flow is reasonable, structure is simple, assembly and disassembly operations is easy, just can be changed the gear ratio of parallel-shaft bevel wheel reducer by the first gear on replacing output shaft and the second gear shaft, speed ratio is changed convenient; Suitable gear pair can be installed according to the speed ratio of the actual order requirements of client by Distributor, reaches reduction assembling difficulty, reduces stock, effectively reduces operating cost.
Below in conjunction with Figure of description and specific embodiment, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
See Fig. 1, a kind of parallel-shaft bevel wheel reducer disclosed in the utility model, comprise casing 1 and front cover 2, described front cover 2 removably connects with casing 1 front end, hollow output shaft 3, first gear shaft 4 and the second gear shaft 5 is provided with in described casing 1, described output shaft 3 is arranged on casing 1 lower end, and the first gear shaft 4 is arranged on casing 1 upper end, and the second gear shaft 5 is between the first gear shaft 4 and output shaft 3; The cross central line of described first gear shaft 4, second gear shaft 5 and output shaft 3 is parallel to each other, described output shaft 3 is socketed with the first gear 6, first gear 6 engages with the tooth on the second gear shaft 5, described second gear shaft 5 is socketed with the second gear 7, described second gear 7 engages with the tooth on the first gear shaft 4, described first gear shaft 4 is socketed with the 3rd gear 8, the tip diameter of described first gear 6 is greater than the tip diameter of described second gear 7, and the tip diameter of described second gear 7 is greater than the tip diameter of described 3rd gear 8; Described output shaft 3 outer surface is provided with keyway 31, be provided with flat key 9 in described keyway 31, described first gear 6 is connected and fixed by flat key 9, and described flat key 9 left end is provided with distance ring 10, described distance ring 10 is socketed on output shaft 3, fixes described flat key 9 by distance ring 10.
As preferably, described output shaft 3 left end is socketed with first deep groove ball bearing 11, second deep groove ball bearing 12 is socketed with in the middle part of output shaft 3, output shaft 3 right-hand member is socketed with the 3rd deep groove ball bearing 13, described second deep groove ball bearing 12 is provided with dunnage 14, and described dunnage 14 is fixedly connected with casing 1 internal face; Described first deep groove ball bearing 11 right side compresses described distance ring 10, distance ring 10 right side compresses described flat key 9 left side, described first deep groove ball bearing 11 left end is provided with first circlip for hole 14, first circlip for hole 14 left end is provided with the first outside framework oil seal 15, and the first circlip for hole 14 and the first outside framework oil seal 15 are all socketed in output shaft 3 left end, and compress described first deep groove ball bearing 11 by the first circlip for hole 14; Described 3rd deep groove ball bearing 13 right-hand member is provided with second circlip for hole 19, second circlip for hole 19 right-hand member is provided with the second outside framework oil seal 16, and the second circlip for hole 19 and the second outside framework oil seal 16 are all socketed in output shaft 3 right-hand member, and compress described 3rd deep groove ball bearing 13 by the second circlip for hole 19.
Described distance ring 10 comprises inner ring and outer ring, and described inner ring and outer ring are adhesively fixed, the thick 6mm of described inner ring, the thick 6.5mm in outer ring, and described inner ring is formed by stainless steel material manufacture, and outer ring is formed by rubber material manufacture.
Tapered roller bearing 17 is all socketed with in the middle part of described second gear shaft 5 left end and the second gear shaft 5.
Described first gear shaft about 4 two ends are all socketed with the 4th deep groove ball bearing 18.
Described casing 1 and front cover 2 are connected by screw fixing.
Described in the present embodiment, dunnage 14 and casing 1 internal face are wholely set, and each bearing of the present embodiment is arranged in the bearing groove on casing 1 internal face respectively.
The utility model vibrational power flow is more reasonable, and vibrational power flow is reasonable, and structure is simple, and assembly and disassembly operations is easy, and just can be changed the gear ratio of parallel-shaft bevel wheel reducer by the first gear on replacing output shaft and the second gear shaft, speed ratio is changed convenient; Suitable gear pair can be installed according to the speed ratio of the actual order requirements of client by Distributor, reaches reduction assembling difficulty, reduces stock, effectively reduces operating cost.
Above-described embodiment is to specific descriptions of the present utility model; only for being further described the utility model; can not be interpreted as the restriction to the utility model protection domain, the technician of related domain makes some nonessential improvement according to the content of above-mentioned model utility to the utility model and adjustment all falls within protection domain of the present utility model.
Claims (6)
1. a parallel-shaft bevel wheel reducer, comprise casing (1) and front cover (2), it is characterized in that: described front cover (2) and casing (1) front end removably connect, hollow output shaft (3), the first gear shaft (4) and the second gear shaft (5) is provided with in described casing (1), described output shaft (3) is arranged on casing (1) lower end, first gear shaft (4) is arranged on casing (1) upper end, and the second gear shaft (5) is positioned between the first gear shaft (4) and output shaft (3), described first gear shaft (4), the cross central line of the second gear shaft (5) and output shaft (3) is parallel to each other, described output shaft (3) is socketed with the first gear (6), first gear (6) engages with the tooth on the second gear shaft (5), described second gear shaft (5) is socketed with the second gear (7), described second gear (7) is engaged with the tooth on the first gear shaft (4), described first gear shaft (4) is socketed with the 3rd gear (8), the tip diameter of described first gear (6) is greater than the tip diameter of described second gear (7), the tip diameter of described second gear (7) is greater than the tip diameter of described 3rd gear (8), described output shaft (3) outer surface is provided with keyway (31), flat key (9) is provided with in described keyway (31), described first gear (6) is connected and fixed by flat key (9), described flat key (9) left end is provided with distance ring (10), described distance ring (10) is socketed on output shaft (3), by the fixing described flat key (9) of distance ring (10).
2. a kind of parallel-shaft bevel wheel reducer according to claim 1, it is characterized in that: described output shaft (3) left end is socketed with first deep groove ball bearing (11), output shaft (3) middle part is socketed with second deep groove ball bearing (12), output shaft (3) right-hand member is socketed with the 3rd deep groove ball bearing (13), described second deep groove ball bearing (12) is provided with dunnage (14), and described dunnage (14) is fixedly connected with casing (1) internal face, described first deep groove ball bearing (11) right side compresses described distance ring (10), distance ring (10) right side compresses described flat key (9) left side, described first deep groove ball bearing (11) left end is provided with first circlip for hole (14), first circlip for hole (14) left end is provided with the first outside framework oil seal (15), and the first circlip for hole (14) and the first outside framework oil seal (15) are all socketed in output shaft (3) left end, and compress described first deep groove ball bearing (11) by the first circlip for hole (14), described 3rd deep groove ball bearing (13) right-hand member is provided with second circlip for hole (19), second circlip for hole (19) right-hand member is provided with the second outside framework oil seal (16), and the second circlip for hole (19) and the second outside framework oil seal (16) are all socketed in output shaft (3) right-hand member, and compress described 3rd deep groove ball bearing (13) by the second circlip for hole (19).
3. a kind of parallel-shaft bevel wheel reducer according to claim 1 and 2, it is characterized in that: described distance ring (10) comprises inner ring and outer ring, described inner ring and outer ring are adhesively fixed, the thick 6mm of described inner ring, the thick 6.5mm in outer ring, and described inner ring is formed by stainless steel material manufacture, outer ring is formed by rubber material manufacture.
4. a kind of parallel-shaft bevel wheel reducer according to claim 3, is characterized in that: described second gear shaft (5) left end and the second gear shaft (5) middle part are all socketed with tapered roller bearing (17).
5. a kind of parallel-shaft bevel wheel reducer according to claim 4, is characterized in that: described first gear shaft (4) two ends, left and right are all socketed with the 4th deep groove ball bearing (18).
6. a kind of parallel-shaft bevel wheel reducer according to claim 5, is characterized in that: described casing (1) and front cover (2) are connected by screw fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521012919.9U CN205190641U (en) | 2015-12-08 | 2015-12-08 | Parallel -axis helical gear reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521012919.9U CN205190641U (en) | 2015-12-08 | 2015-12-08 | Parallel -axis helical gear reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190641U true CN205190641U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521012919.9U Expired - Fee Related CN205190641U (en) | 2015-12-08 | 2015-12-08 | Parallel -axis helical gear reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205190641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533690A (en) * | 2017-03-02 | 2018-09-14 | 安徽欢颜机器人有限公司 | A kind of mini hollow output shaft gear reduction unit of welding robot |
| CN110219946A (en) * | 2019-05-29 | 2019-09-10 | 西安工业大学 | Multistage nested type transmission device |
-
2015
- 2015-12-08 CN CN201521012919.9U patent/CN205190641U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533690A (en) * | 2017-03-02 | 2018-09-14 | 安徽欢颜机器人有限公司 | A kind of mini hollow output shaft gear reduction unit of welding robot |
| CN110219946A (en) * | 2019-05-29 | 2019-09-10 | 西安工业大学 | Multistage nested type transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20201208 |