CN201513529U - Multi variable speed mechanism - Google Patents
Multi variable speed mechanism Download PDFInfo
- Publication number
- CN201513529U CN201513529U CN 200920236152 CN200920236152U CN201513529U CN 201513529 U CN201513529 U CN 201513529U CN 200920236152 CN200920236152 CN 200920236152 CN 200920236152 U CN200920236152 U CN 200920236152U CN 201513529 U CN201513529 U CN 201513529U
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- CN
- China
- Prior art keywords
- gear
- axle
- duplicate
- shifting slide
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a multi variable speed mechanism, which comprises a gearbox body and a shaft I, a shaft II, an output shaft and gears which are arranged on the gearbox and can rotate, a duplicate gear is arranged on an optical axis section of the shaft I via a bearing, a shifting slide gear is connected with a spline section of the shaft I, a duplicate shifting slide gear provided with an inner gear ring and an outer gear is connected with the shifting slide gear via a key, a shifting fork is connected with the duplicate shifting slide gear via the bearing, and the inner gear ring of the duplicate shifting slide gear corresponds to a small gear of the duplicate gear; a middle large gear and a middle small gear connected with the shaft II are constantly meshed with the small gear of the duplicate gear and the outer gear on the duplicate shifting slide gear, a gear on the output shaft of a motor is constantly meshed with the large gear of the duplicate gear, and an output large gear and an output small gear connected with the output shaft respectively correspond to the shifting slide gear and the duplicate shifting slide gear. The utility model has the characteristics of small size, compact structure and multiple output gears and can reduce power transmission loss.
Description
Technical field
The utility model relates to a kind of multi-speed exchanged mechanism, belongs to the mechanical transmissioning technology field.
Background technique
Multi-speed exchanged mechanism is mainly used in lathe, makes cutter can obtain the different gear rotating speeds of required work.Conventional multi-speed exchanged mechanism is by a plurality of transmission shafts and output shaft and be installed in above-mentioned formations such as gear on each.Owing on the same transmission shaft different gear rotational speeds can not be arranged simultaneously, therefore normally by a plurality of transmission shafts and the corresponding gear transmission that is installed on each transmission shaft, just can obtain more output speed, this gear drive not only can increase the volume of gear, and the transfer route of power is long, and reduces transmission efficiency.
Summary of the invention
The purpose of this utility model provides a kind of volume little, compact structure, and the output gear is many, can reduce the multi-speed exchanged mechanism of transmission of power loss.
The utility model is that the technological scheme that achieves the above object is: a kind of multi-speed exchanged mechanism, it is characterized in that: comprise gearbox casing, the I axle that is installed on the gearbox and can rotates, II axle and output shaft and be installed in the I axle, the gear of correspondence on II axle and the output shaft, described I axle has optical axis section and spline segment, duplicate gear is by the optical axis section of Bearing Installation at the I axle, shifting slide gear is connected the spline segment of I axle, double crosslinking sliding gear with ring gear and external gear is connected on the shifting slide gear by key, and by being installed in the back-up ring axial limiting of shifting slide gear, shift fork is connected with double crosslinking sliding gear by bearing, and the ring gear of double crosslinking sliding gear is corresponding with the small gear of duplicate gear; The gear broad in the middle and the intermediate speed pinion that are connected on the II axle often mesh with the small gear of duplicate gear and the external gear on the double crosslinking sliding gear respectively, the gear on the motor output shaft and the gearwheel of duplicate gear often mesh, and the gearwheel with shifting slide gear and double crosslinking sliding gear is corresponding respectively to be connected output gearwheel on the output shaft and output pinion.
The utility model adopts the triple axle driving mechanism, especially the I axle is provided with optical axis section and spline segment, duplicate gear is installed in the optical axis section of I axle, and be installed in the spline segment of I axle by the three speed change shifting slide gear groups that shifting slide gear and double crosslinking sliding gear are formed, three speed change shifting slide gear groups axially move under the shift fork effect and mesh with coaxial duplicate gear respectively, realize that same transmission shaft has different gear rotational speeds simultaneously, when three speed change shifting slide gear groups on the I axle respectively with the II axle on intermediate speed pinion and output pinion on the output shaft and output gearwheel engagement, can obtain neutral gear, low-grade, middle-grade and high-grade rotating speed.The utility model is installed in shift fork on the three speed change shifting slide gear groups, owing to can reduce the quantity of II axle and driving gear, compact structure can dwindle gear, and can reduce transmission loss.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Wherein: 1-exports gearwheel, 2-output shaft, 3-bearing cap, 4-shift fork, the 5-bearing, 6-shifting slide gear, 7-I axle, 8-key, the 9-back-up ring, 10-double crosslinking sliding gear, 11-intermediate speed pinion, 12-II axle, 13-gear broad in the middle, 14-motor, 15-motor gear, 16-duplicate gear, the 17-outer separator, 18-inner spacing collar, 19-bearing, 20-jump ring, the 21-key, 22-output pinion, 23-gearbox casing.
Embodiment
See shown in Figure 1, multi-speed exchanged of the present utility model mechanism, comprise gearbox casing 23, the I axle 7 that is installed on the gearbox casing 23 and can rotates, II axle 12 and output shaft 2 and be installed in I axle 7, the gear of correspondence on II axle 12 and the output shaft 2, I axle 7 of the present utility model has optical axis section and spline segment, duplicate gear 16 is by the optical axis section of Bearing Installation at I axle 7, duplicate gear 16 is dallied on the optical axis section of I axle 7, shifting slide gear 6 is connected the spline segment of I axle 7, double crosslinking sliding gear 10 with ring gear and external gear is connected on the shifting slide gear 6 by key 8, and carry out axial limiting by the back-up ring 9 that is installed in shifting slide gear 6, double crosslinking sliding gear 10 and shifting slide gear 6 are combined into three shifting slide gear groups, shift fork 4 is connected with shifting slide gear 6 by bearing 5, these shift fork 4 one sides are provided with bearing support, bearing 5 is installed on the bearing support of the shaft shoulder of double crosslinking sliding gear 10 and shift fork 4, and bearing cap 3 is installed on the shift fork 4 by fastening piece, bearing 5 is installed in double crosslinking sliding gear 10, the ring gear of double crosslinking sliding gear 10 is corresponding with the small gear of duplicate gear 16, when double crosslinking sliding gear 10 moves to duplicate gear 16 places, the pinion of the ring gear of double crosslinking sliding gear 10 and duplicate gear 16.
See shown in Figure 1, be connected with gear 13 broad in the middle and intermediate speed pinion 11 on the II axle 12, this II axle 12 adopts splined shaft, and gear 13 broad in the middle and intermediate speed pinion 11 respectively with duplicate gear 16 on small gear and the external gear on the double crosslinking sliding gear 10 often mesh, the gearwheel that is installed in motor gear 15 and duplicate gear 16 on motor 14 output shafts often meshes, output gearwheel 1 and output pinion 22 are installed on the output shaft 2, this output shaft 2 adopts optical axis and connects output gearwheel 1 and output pinion 22 by key 21, and output gearwheel 1 and output pinion 22 external gear with shifting slide gear 6 and double crosslinking sliding gear 10 is corresponding respectively, when double crosslinking sliding gear 10 moves to output gearwheel 1 and output pinion 22 places respectively, then export gearwheel 1 and output pinion 22 respectively with the external gear engagement of shifting slide gear 6 and double crosslinking sliding gear 10.
See shown in Figure 1, the utility model is for ease of installing duplicate gear 16, the optical axis section of I axle 7 also is equipped with inner spacing collar 18 and the outer separator 17 with gap, the two ends of inner spacing collar 18 and outer separator 17 join with the Internal and external cycle of two side bearings 19 respectively, and jump ring 20 retainings that are installed in duplicate gear 16 endoporus are on the outside of two bearings 19.
Neutral position: motor 14 output shafts drive motor gear 15 rigidity revolution together, and driving duplicate gear 16 rotations, under bearing 19 effects, make the optical axis section idle running of duplicate gear 16 at I axle 7, driving gear 13 broad in the middle, II axle 12, intermediate speed pinion 11, double crosslinking sliding gear 10 and shifting slide gear 6 rotates, since double crosslinking sliding gear 10 and shifting slide gear 6 not with output shaft 2 on output gearwheel 1 and output pinion 22 engagements, output shaft 2 is static not to be changeed, i.e. neutral position.
Low-speed position: when shift fork 4 promotes shifting slide gear 6 and 1 engagement of output gearwheel by bearing 5, motor gear 15 on motor 14 output shafts drives duplicate gear 16 rotations, under bearing 19 effects, make the optical axis section idle running of duplicate gear 16 at I axle 7, driving gear 13 broad in the middle, II axle 12, intermediate speed pinion 11, double crosslinking sliding gear 10 and shifting slide gear 6 rotates, shifting slide gear 6 and 1 engagement of output gearwheel, output shaft 2 slowly runs.
Middling speed position: when shift fork 4 promotes double crosslinking sliding gear 10 and output pinion 22 engagements by bearing 5, motor gear 15 on motor 14 output shafts drives duplicate gear 16 rotations, under bearing 19 effects, make the optical axis section idle running of duplicate gear 16 at I axle 7, driving gear 13 broad in the middle, II axle 12, intermediate speed pinion 11, double crosslinking sliding gear 10 and shifting slide gear 6 rotates, double crosslinking sliding gear 10 and output pinion 22 engagements, output shaft 2 middling speeds are rotated.
High speed position: promote ring gear and the small gear on the external gear difference duplicate gear 16 and output pinion 22 engagements of double crosslinking sliding gear 10 when shift fork 4 by bearing 5, the output shaft drive motor gear 15 of motor 14 drives duplicate gear 16 rotations, and duplicate gear 16 directly drives double crosslinking sliding gear 10 and output pinion 22 and makes high speed rotating.
Claims (3)
1. multi-speed exchanged mechanism, it is characterized in that: comprise gearbox casing, the I axle that is installed on the gearbox and can rotates, II axle and output shaft and be installed in the I axle, the gear of correspondence on II axle and the output shaft, described I axle has optical axis section and spline segment, duplicate gear is by the optical axis section of Bearing Installation at the I axle, shifting slide gear is connected the spline segment of I axle, double crosslinking sliding gear with ring gear and external gear is connected on the shifting slide gear by key, and by being installed in the back-up ring axial limiting of shifting slide gear, shift fork is connected with double crosslinking sliding gear by bearing, and the ring gear of double crosslinking sliding gear is corresponding with the small gear of duplicate gear; The gear broad in the middle and the intermediate speed pinion that are connected on the II axle often mesh with the small gear of duplicate gear and the external gear on the double crosslinking sliding gear respectively, the gear on the motor output shaft and the gearwheel of duplicate gear often mesh, and the gearwheel with shifting slide gear and double crosslinking sliding gear is corresponding respectively to be connected output gearwheel on the output shaft and output pinion.
2. multi-speed exchanged according to claim 1 mechanism, it is characterized in that: described shift fork one side is provided with bearing support, and Bearing Installation is on the bearing support of the shaft shoulder of double crosslinking sliding gear and shift fork, and bearing cap is installed on the shift fork by fastening piece.
3. multi-speed exchanged according to claim 1 mechanism, it is characterized in that: the optical axis section of described I axle also is equipped with inner spacing collar and the outer separator with gap, the two ends of inner spacing collar and outer separator join with the Internal and external cycle of two side bearings respectively, and the jump ring retaining that is installed in the duplicate gear endoporus is on the outside of two bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920236152 CN201513529U (en) | 2009-09-28 | 2009-09-28 | Multi variable speed mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920236152 CN201513529U (en) | 2009-09-28 | 2009-09-28 | Multi variable speed mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201513529U true CN201513529U (en) | 2010-06-23 |
Family
ID=42484939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920236152 Expired - Fee Related CN201513529U (en) | 2009-09-28 | 2009-09-28 | Multi variable speed mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201513529U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563058A (en) * | 2012-02-09 | 2012-07-11 | 上海三一精机有限公司 | Transmission and numerical-control machine tool |
| CN102808901A (en) * | 2012-08-24 | 2012-12-05 | 无锡市聚英机械制造有限公司 | Axial limiting mechanism for speed reducer |
| CN102817972A (en) * | 2012-09-03 | 2012-12-12 | 江苏省无锡探矿机械总厂有限公司 | Compact type multi-gear gear box |
| CN106838140A (en) * | 2017-03-27 | 2017-06-13 | 深圳市创智自动化有限公司 | A kind of new manual transmission |
| CN111322368A (en) * | 2018-12-14 | 2020-06-23 | 伦克股份有限公司 | Power shift transmission device |
-
2009
- 2009-09-28 CN CN 200920236152 patent/CN201513529U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563058A (en) * | 2012-02-09 | 2012-07-11 | 上海三一精机有限公司 | Transmission and numerical-control machine tool |
| CN102808901A (en) * | 2012-08-24 | 2012-12-05 | 无锡市聚英机械制造有限公司 | Axial limiting mechanism for speed reducer |
| CN102817972A (en) * | 2012-09-03 | 2012-12-12 | 江苏省无锡探矿机械总厂有限公司 | Compact type multi-gear gear box |
| CN102817972B (en) * | 2012-09-03 | 2015-02-18 | 江苏省无锡探矿机械总厂有限公司 | Compact type multi-gear gear box |
| CN106838140A (en) * | 2017-03-27 | 2017-06-13 | 深圳市创智自动化有限公司 | A kind of new manual transmission |
| CN111322368A (en) * | 2018-12-14 | 2020-06-23 | 伦克股份有限公司 | Power shift 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 |
Granted publication date: 20100623 Termination date: 20140928 |
|
| EXPY | Termination of patent right or utility model |