CN204493626U - A kind of high efficiency pulse type stepless transmission with low pulse degree - Google Patents
A kind of high efficiency pulse type stepless transmission with low pulse degree Download PDFInfo
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- CN204493626U CN204493626U CN201520109888.2U CN201520109888U CN204493626U CN 204493626 U CN204493626 U CN 204493626U CN 201520109888 U CN201520109888 U CN 201520109888U CN 204493626 U CN204493626 U CN 204493626U
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- rack
- speed governing
- stepless
- kinematic link
- locking mechanism
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Abstract
The utility model discloses a kind of high efficiency pulse type stepless transmission with low pulse degree, it is characterized in that: comprise subgenus Eospalax at least more than two and speed governing locking mechanism, often group subgenus Eospalax drives with the input shaft of stepless speed variator and is connected, described subgenus Eospalax is connected with the output shaft of stepless speed variator through respective speed governing locking mechanism and free wheel device, and the input shaft of described stepless speed variator and output shaft are parallel to each other and are positioned in same level.The utility model not only efficiency is higher, and pulsation degree is little, and structure simply, and speed governing is convenient, and stable drive is reliable, and volume is little, and in static or dynamically middle speed governing, and can have reverse self-locking performance, easy to process, using effect is good.
Description
Technical field
The utility model relates to a kind of high efficiency pulse type stepless transmission with low pulse degree, belongs to speed changer field.
Background technique
Pulse-type continuously variable transmission has reliable operation, speed adjustable range is wide, mode of speed regulation is many, advantages of simple structure and simple, has extensive use at present at industrial fields such as weaving, chemical industry, light industry, plastics, papermaking, food, pharmacy.Most products domestic is at present copied or is improved on the basis of GUSA type or Zero-Max type, current structural type falls behind, transmitted power is lower, power performance is also bad, how to improve its mechanical efficiency as much as possible, reduces the important topic that the pulsation degree of its output movement is current research.
Model utility content
In order to solve existing technical deficiency, the utility model provides a kind of high efficiency pulse type stepless transmission with low pulse degree, and this speed changer not only efficiency is higher, and pulsation degree is little, and structure is simple, speed governing is convenient, and stable drive is reliable, and volume is little, can in static or dynamically middle speed governing, and there is reverse self-locking performance, easy to process, using effect is good.
The technical solution of the utility model is:
A kind of high efficiency pulse type stepless transmission with low pulse degree, it is characterized in that: comprise subgenus Eospalax at least more than two and speed governing locking mechanism, often group subgenus Eospalax drives with the input shaft of stepless speed variator and is connected, described subgenus Eospalax is connected with the output shaft of stepless speed variator through respective speed governing locking mechanism and free wheel device, and the input shaft of described stepless speed variator and output shaft are parallel to each other and are positioned in same level.
Wherein, described subgenus Eospalax comprises rack-type kinematic link, intermediate connecting rod, the flute profile cam be connected with the input shaft of stepless speed variator, be articulated with the roller of rack-type kinematic link one end, export rocking bar, described rack-type kinematic link one end is connected with flute profile cam through roller, the flute profile working surface close contact of roller on rack-type kinematic link and flute profile cam is guaranteed by Shape closed mode, the other end and described intermediate connecting rod one end are hinged, the other end of described intermediate connecting rod and one end of described output rocking bar are hinged, the other end of described output rocking bar is connected with the output shaft of stepless speed variator through described free wheel device, to drive the unidirectional intermittent rotary of described output shaft, the rack-type kinematic link of described each subgenus Eospalax is connected with speed governing locking mechanism, to carry out speed regulating control by speed governing locking mechanism.
Described speed governing locking mechanism comprises handwheel, worm screw, worm gear, speed governing axle, gear, rack frame, described handwheel is connected with worm screw one end with the form of key connecting, described worm and wheel forms worm gear pair, described worm gear and gear are at same center line, be connected with speed governing axle with the form of key connecting respectively, described wheel and rack formula kinematic link formative gear is secondary, and described rack-type kinematic link and rack frame form sliding pair.
Each flute profile cam often organizing subgenus Eospalax is axially uniform along the input shaft of stepless speed variator, and the output rocking bar often organizing subgenus Eospalax is respectively connected with the output shaft of stepless speed variator through a free wheel device respectively.
The top of described tooth bar is straight-tooth, and bottom is dovetail groove slide rail; Described rack frame comprises rack support, and described rack support top and speed governing axle form revolute pair by bearing fit, and described rack support bottom adopts fastening screw trip bolt to connect dovetail slide block, and the dovetail groove slide rail of described dovetail slide block and tooth bar bottom forms sliding pair.
Described subgenus Eospalax is three groups, and the flute profile cam structure often organized is identical and be connected with the input shaft of buncher to differ 120 degree of modes.
The utility model has the advantage of: the utility model not only efficiency is higher, pulsation degree is little, and structure simply, and speed governing is convenient, and stable drive is reliable, and volume is little, and in static or dynamically middle speed governing, and can have reverse self-locking performance, easy to process, using effect is good.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the utility model embodiment;
Fig. 2 is the schematic three dimensional views of the utility model rack frame.
Embodiment
For above-mentioned feature and advantage of the present utility model can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below.
Referring to figs. 1 to Fig. 2, the utility model relates to a kind of high efficiency pulse type stepless transmission with low pulse degree, comprises many group structures and measure-alike subgenus Eospalax, speed governing locking mechanism.Described many group structures and measure-alike subgenus Eospalax comprise rack-type kinematic link 4 respectively, intermediate connecting rod 5, the flute profile cam 2 be connected with the input shaft of stepless speed variator, be articulated with the roller 3 of rack-type kinematic link 4 one end, export rocking bar 6 and free wheel device 7, described rack-type kinematic link 4 one end is connected with flute profile cam 2 through roller 3, the flute profile working surface close contact of roller on rack-type kinematic link 43 and flute profile cam 2 is guaranteed by Shape closed mode, the other end and described intermediate connecting rod 5 one end are hinged, the other end of described intermediate connecting rod 5 and one end of described output rocking bar 6 are hinged, the other end of described output rocking bar 6 is connected with the output shaft 8 of stepless speed variator through described free wheel device 7, to drive the unidirectional intermittent rotary of described output shaft 8, the rack-type kinematic link 4 of described each subgenus Eospalax is connected with speed governing locking mechanism, to carry out speed regulating control by speed governing locking mechanism, described input shaft 1 and output shaft 8 are parallel to each other and are positioned in same level.
Described a kind of high efficiency pulse type stepless transmission with low pulse degree, it is characterized in that each flute profile cam 2 of described each subgenus Eospalax is axially uniform along the input shaft 1 of stepless speed variator, the output rocking bar 6 of described each subgenus Eospalax is respectively connected with the output shaft 8 of stepless speed variator through a free wheel device 7 respectively.
Described speed governing locking mechanism, comprise handwheel 14, worm screw 13, worm gear 12, speed governing axle 11, rack frame 10, gear 9, the top of described tooth bar is straight-tooth, bottom is dovetail groove slide rail, rack frame comprises rack support 16, described rack support top and speed governing axle form revolute pair by bearing fit, and described rack support bottom adopts fastening screw trip bolt 17 to connect dovetail slide block 15, and the dovetail groove slide rail of described dovetail slide block and tooth bar bottom forms sliding pair.Described handwheel 14 is connected with worm screw 13 one end with the form of key connecting, described worm screw 13 forms worm gear pair with worm gear 12, described worm gear 12 and gear 9 are at same center line, be connected with speed governing axle 11 with the form of key connecting respectively, described gear 9 is secondary with rack-type kinematic link 4 formative gear, and described rack-type kinematic link 4 forms sliding pair with rack frame 10.Worm screw 13 synchronous axial system is rotarily driven by handwheel 14, worm screw 13 drives worm gear 12 and speed governing axle 11 to rotate respective angles again, thus actuation gear 9 synchronous axial system, gear 9 drives the rack-type kinematic link 4 and rack frame 10 relative movement that are meshed with it simultaneously, change the left and right length ratio of rack-type kinematic link 4 relative to rack frame 10, realize infinite variable speed object.After adjusting to required velocity ratio, worm-and-wheel gear can also ensure that pinion and rack realizes the function of self-locking at an arbitrary position.
In order to can low pulse degree be fallen, the utility model have employed three-phase structure, namely on input shaft 1, be equipped with that three structures are identical, the flute profile cams 2 of difference 120 degree layouts, each self-driven each of each flute profile cam 2 exports rocking bar 6, each exports rocking bar 6 and is connected with output shaft 8 each via a free wheel device 7, make output shaft 8 export three and export unidirectional high rotating speed in rocking bar 6, thus the unidirectional pulsation realizing low pulse degree exports.
In order to reduce the difficulty of processing of Impulse Generator, improve the convenience of processing, high efficiency pulse type stepless transmission with low pulse degree adopts heart type structure, and namely input shaft 1 and output shaft 8 are parallel to each other and are positioned on same level line.Therefore, high efficiency pulse type stepless transmission with low pulse degree of the present utility model, not only efficiency is higher, and pulsation degree is little, and structure is simple, speed governing is convenient, and stable drive is reliable, and volume is little, in static or dynamically middle speed governing, and can have reverse self-locking performance, easy to process, using effect is good.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (4)
1. a high efficiency pulse type stepless transmission with low pulse degree, it is characterized in that: comprise subgenus Eospalax at least more than two and speed governing locking mechanism, often group subgenus Eospalax drives with the input shaft of stepless speed variator and is connected, described subgenus Eospalax is connected with the output shaft of stepless speed variator through respective speed governing locking mechanism and free wheel device, and the input shaft of described stepless speed variator and output shaft are parallel to each other and are positioned in same level, described subgenus Eospalax comprises rack-type kinematic link, intermediate connecting rod, the flute profile cam be connected with the input shaft of stepless speed variator, be articulated with the roller of rack-type kinematic link one end, export rocking bar, described rack-type kinematic link one end is connected with flute profile cam through roller, the flute profile working surface close contact of roller on rack-type kinematic link and flute profile cam is guaranteed by Shape closed mode, the other end and described intermediate connecting rod one end are hinged, the other end of described intermediate connecting rod and one end of described output rocking bar are hinged, the other end of described output rocking bar is connected with the output shaft of stepless speed variator through described free wheel device, to drive the unidirectional intermittent rotary of described output shaft, the rack-type kinematic link of described each subgenus Eospalax is connected with speed governing locking mechanism, to carry out speed regulating control by speed governing locking mechanism, described speed governing locking mechanism comprises handwheel, worm screw, worm gear, speed governing axle, gear, rack frame, described handwheel is connected with worm screw one end with the form of key connecting, described worm and wheel forms worm gear pair, described worm gear and gear are at same center line, be connected with speed governing axle with the form of key connecting respectively, described wheel and rack formula kinematic link formative gear is secondary, and described rack-type kinematic link and rack frame form sliding pair.
2. a kind of high efficiency pulse type stepless transmission with low pulse degree according to claim 1, it is characterized in that: each flute profile cam often organizing subgenus Eospalax is axially uniform along the input shaft of stepless speed variator, and the output rocking bar often organizing subgenus Eospalax is respectively connected with the output shaft of stepless speed variator through a free wheel device respectively.
3. a kind of high efficiency pulse type stepless transmission with low pulse degree according to claim 1, is characterized in that: the top of described tooth bar is straight-tooth, and bottom is dovetail groove slide rail; Described rack frame comprises rack support, and described rack support top and speed governing axle form revolute pair by bearing fit, and described rack support bottom adopts fastening screw trip bolt to connect dovetail slide block, and the dovetail groove slide rail of described dovetail slide block and tooth bar bottom forms sliding pair.
4. a kind of high efficiency pulse type stepless transmission with low pulse degree according to claim 2, it is characterized in that: described subgenus Eospalax is three groups, the flute profile cam structure often organized is identical and be connected with the input shaft of buncher to differ 120 degree of modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109888.2U CN204493626U (en) | 2015-02-15 | 2015-02-15 | A kind of high efficiency pulse type stepless transmission with low pulse degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109888.2U CN204493626U (en) | 2015-02-15 | 2015-02-15 | A kind of high efficiency pulse type stepless transmission with low pulse degree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204493626U true CN204493626U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520109888.2U Withdrawn - After Issue CN204493626U (en) | 2015-02-15 | 2015-02-15 | A kind of high efficiency pulse type stepless transmission with low pulse degree |
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| CN (1) | CN204493626U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633094A (en) * | 2015-02-15 | 2015-05-20 | 福州大学 | Impulse type continuously variable transmission |
| CN107939933A (en) * | 2017-11-17 | 2018-04-20 | 中国人民解放军陆军装甲兵学院 | A kind of gear connecting rod pulse-type continuously variable transmission |
-
2015
- 2015-02-15 CN CN201520109888.2U patent/CN204493626U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633094A (en) * | 2015-02-15 | 2015-05-20 | 福州大学 | Impulse type continuously variable transmission |
| CN107939933A (en) * | 2017-11-17 | 2018-04-20 | 中国人民解放军陆军装甲兵学院 | A kind of gear connecting rod pulse-type continuously variable transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150722 Effective date of abandoning: 20170322 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |