CN110985637A - Hydraulic stepless speed change power wheel - Google Patents
Hydraulic stepless speed change power wheel Download PDFInfo
- Publication number
- CN110985637A CN110985637A CN201911145711.7A CN201911145711A CN110985637A CN 110985637 A CN110985637 A CN 110985637A CN 201911145711 A CN201911145711 A CN 201911145711A CN 110985637 A CN110985637 A CN 110985637A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- push rod
- driven hydraulic
- sliding
- central driven
- 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.)
- Pending
Links
- 230000008859 change Effects 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000010720 hydraulic oil Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/52—Pulleys or friction discs of adjustable construction
- F16H55/54—Pulleys or friction discs of adjustable construction of which the bearing parts are radially adjustable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/10—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley provided with radially-actuatable elements carrying the belt
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmissions By Endless Flexible Members (AREA)
Abstract
The invention relates to an automobile driving wheel, in particular to a hydraulic stepless speed change power wheel. The device comprises a slide bar and driving hydraulic pushing mechanisms respectively arranged at two ends of the slide bar, wherein a driven hydraulic pushing mechanism is arranged on the slide bar, and the slide bar is connected with the outer contour of a wheel hub through the driven hydraulic pushing mechanism; the sliding rod is provided with a plurality of sliding bulges along the circumferential direction of the sliding rod, and the sliding bulges are arranged along the axial direction of the sliding rod; the driven hydraulic pushing mechanism comprises a central driven hydraulic shell and a central driven hydraulic push rod, a plurality of central driven hydraulic shells are arranged at intervals in the circumferential direction of the push rod, the central driven hydraulic shells are arranged in the radial direction of the push rod and are connected with the push rod in a sliding mode, the adjacent central driven hydraulic shells are fixedly connected through connecting rods, one end of each central driven hydraulic push rod is arranged in the central driven hydraulic shell, and the other end of each central driven hydraulic push rod is fixedly connected with the outer contour. The pressure-resistant device is simple in structure, convenient to use, small in occupied space and not easy to be affected by external pressure.
Description
Technical Field
The invention relates to an automobile driving wheel, in particular to a hydraulic stepless speed change power wheel.
Background
In the development process of automobiles, transmissions are always researched and improved as the core part of the automobiles, wherein the stepless speed change of the automobiles is an important development direction. In the prior art, the manual gearbox and the automatic gearbox are complex in structure, gear combination is mostly used for gear shifting, and the gear shifting method has the advantages that when the number of gear shifting gears is increased to 7, the number of parts in the gearbox is increased to more than 500, so that technical and cost challenges exist, and the gears are generally difficult to increase continuously. In addition, the mature steel belt type stepless speed change technology uses a steel belt to perform friction transmission, which is different from the transmission gear transmission, but the steel belt type stepless speed change technology is limited by the material performance and the friction force of the steel belt and cannot be applied to high-power automobiles.
The stepless speed change device is partially changed to the driving wheel, so that the function of the traditional stepless speed change is kept, the diameter and the shape of the wheel hub can be adjusted, and the requirements of running on various bad terrains, even climbing on steps and hills and the like can be met.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a hydraulic stepless speed change power wheel which is simple in structure, convenient to use, small in occupied space and not easy to be influenced by external pressure.
The technical scheme of the invention is as follows: a hydraulic stepless speed change power wheel comprises a slide bar and driving hydraulic pushing mechanisms respectively arranged at two ends of the slide bar, wherein a driven hydraulic pushing mechanism is arranged on the slide bar, and the slide bar is connected with the outer contour of a wheel hub through the driven hydraulic pushing mechanism;
the sliding rod is provided with a plurality of sliding bulges along the circumferential direction of the sliding rod, and the sliding bulges are arranged along the axial direction of the sliding rod;
the driven hydraulic pushing mechanism comprises a central driven hydraulic shell and a central driven hydraulic push rod, a plurality of central driven hydraulic shells are arranged at intervals along the circumferential direction of the push rod, the central driven hydraulic shells are arranged along the radial direction of the push rod, the central driven hydraulic shells are connected with the push rod in a sliding manner, adjacent central driven hydraulic shells are fixedly connected through a connecting rod, one end of each central driven hydraulic push rod is arranged in the corresponding central driven hydraulic shell, and the other end of each central driven hydraulic push rod is fixedly connected with the outer contour;
the hub outer contour is composed of a plurality of outer contour plates, and the plurality of outer contour plates form a complete annular hub outer contour;
the active hydraulic pushing mechanism comprises a polygonal body hydraulic oil pump, a threaded hydraulic shell, an active hydraulic push rod, a ring, a stop spring and a pushing push rod, the polygonal body hydraulic oil pump is fixedly connected with the end part of the sliding rod, the threaded hydraulic shell is fixed on the side wall of the polygonal body hydraulic oil pump respectively, one end of the active hydraulic push rod is located in the threaded hydraulic shell, one end of the active hydraulic push rod, which faces the sliding rod, is fixedly connected with the ring, the ring is sleeved on the outer surface of the sliding rod in a sliding mode, the other side face of the ring is connected with the pushing push rod through the stop spring, and the pushing push rod is hinged with the outer contour plate.
In the invention, the inner surface of the outer contour plate is provided with a fixed connecting plate, the middle part of the fixed connecting plate is fixedly connected with a central driven hydraulic push rod, and two ends of the fixed connecting plate are respectively hinged with a pushing push rod.
The end part of the central driven hydraulic shell is provided with a T-shaped groove, the sliding bulge is arranged in the T-shaped groove, and the sliding bulge slides in the T-shaped groove. The connection between the central driven hydraulic shell and the push rod is realized, and the central driven hydraulic shell can axially slide along the sliding bulge of the push rod. .
The outer surface of outer profile board is equipped with several slots.
The invention has the beneficial effects that:
(1) the push rod is obliquely arranged, so that the negative influence of external pressure can be relieved on the premise of ensuring the working requirement;
(2) the external influence is counteracted by arranging the stop spring and utilizing the elasticity of the spring;
(3) the threaded hydraulic shell can be used as a cylinder body of a hydraulic cylinder, and can also be used as a wheel body and external construction part, and meanwhile, a hydraulic pipeline can normally work when the wheel body works, and the situations of mutual winding, unstable oil supply pressure and the like are avoided;
(4) the central driven hydraulic propelling mechanism has the function of assisting the action of the driving hydraulic propelling mechanism and plays a role in slowing down the external pressure;
(5) the polygonal hydraulic pump body is tightly matched with the wheel body flange, so that the whole space is compressed, and the phenomena of winding of an oil way, unstable oil supply pressure and the like during working are prevented.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic front view of the present invention;
fig. 3 is a schematic perspective view of the present invention.
In the figure: 1, a threaded hydraulic housing; 2, driving a hydraulic push rod; 3, a circular ring; 4, a stop spring; 5, the outer contour of the hub; 501 outer contour plates; 502 fixing the connecting plate; 6 pushing the push rod; 7 hexagonal hydraulic oil pump; 8 center driven hydraulic housing; 9 center driven hydraulic push rod; 10 connecting rods; 11 a slide bar; 1101 sliding projection.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
Fig. 1 to fig. 3 show a hydraulic stepless speed change power wheel according to the present invention, which includes a sliding rod 11 and driving hydraulic pushing mechanisms respectively disposed at two ends of the sliding rod 11, wherein the sliding rod 11 is provided with a driven hydraulic pushing mechanism, and the sliding rod 11 is connected to the outer contour 5 of the wheel hub through the driven hydraulic pushing mechanism.
The slide bar 11 is provided with a plurality of slide protrusions 1101 along a circumferential direction thereof, and the slide protrusions 1101 are arranged along an axial direction of the slide bar 11. By providing the sliding projection, the driven hydraulic pushing mechanism can slide in the axial direction of the slide bar 11. The driven hydraulic pushing mechanism comprises a central driven hydraulic shell 8 and a central driven hydraulic push rod 9, a plurality of central driven hydraulic shells 8 are arranged at intervals in the circumferential direction of the push rod 11, and the central driven hydraulic shells 8 are arranged in the radial direction of the push rod 11. The central driven hydraulic shell 8 is connected with the push rod 11 in a sliding mode, a T-shaped groove is formed in the end portion of the central driven hydraulic shell 8, the sliding protrusion 1101 is arranged in the T-shaped groove, and the sliding protrusion 1101 slides in the T-shaped groove, so that the central driven hydraulic shell 8 is connected with the push rod 11, and the central driven hydraulic shell 8 can slide axially along the sliding protrusion 1101 of the push rod 11. The adjacent central driven hydraulic shells 8 are fixedly connected through a connecting rod 10. One end of a central driven hydraulic push rod 9 is arranged in the central driven hydraulic shell 8, and the other end of the central driven hydraulic push rod is fixedly connected with the outer contour 5 of the wheel hub. The hub outer contour 5 is composed of a plurality of outer contour plates 501, and the plurality of outer contour plates form a complete annular hub outer contour. The outer surface of outer contour plate 501 is provided with a plurality of grooves, and the grooves facilitate the movement and fixation of devices such as push rods during adjustment.
Initiative hydraulic pressure pushing mechanism includes hexagonal body hydraulic oil pump 7, screw thread hydraulic pressure shell 1, initiative hydraulic push rod 2, ring 3, stop spring 4 and promotion push rod 5, hexagonal body hydraulic oil pump 7 and slide bar 11's tip fixed connection, is fixed with screw thread hydraulic pressure shell 1 on six lateral walls of hexagonal body hydraulic oil pump 7 respectively, and the one end of initiative hydraulic push rod 2 is located screw thread hydraulic pressure shell 1, its one end and ring 3 fixed connection towards slide bar 11. The ring 3 is slidably sleeved on the outer surface of the sliding rod 11, one side surface of the ring 3 is fixedly connected with the driving hydraulic push rod 2, the other side surface of the ring 3 is connected with the pushing push rod 6 through the stop spring 4, one end of the pushing push rod 6 is connected with the stop spring 4, and the other end of the pushing push rod 6 is hinged to the outer contour plate 501.
In this embodiment, the hub outer contour 5 is composed of six outer contour plates 501, so the corresponding hydraulic oil pump is a hexagonal hydraulic oil pump, and the number of the driving hydraulic push rod 2, the stop spring 4, the pushing push rod 6, the central driven hydraulic housing 8, and the central driven hydraulic push rod 9 is six. The number of the above components in the present invention may be selected according to the actual working conditions, and is not limited to the number in the present embodiment.
In order to ensure the strength of the outer contour plate in the working process, a fixed connecting plate 502 is arranged on the inner surface of the outer contour plate 501, the middle part of the fixed connecting plate 502 is fixedly connected with the central driven hydraulic push rod 9, and two ends of the fixed connecting plate 502 are respectively hinged with the push rods 6.
The working principle of the invention is as follows: under the drive of hexagonal hydraulic oil pump 7 for hydraulic oil in screw thread hydraulic pressure shell 1 outwards promotes initiative hydraulic push rod 2, and then drives ring 3 drive locking spring 4, and locking spring 4 transmits the driving force of ring 3 to promoting push rod 6, promotes push rod 6 and promotes each outer contour plate, adjusts deformation to wheel hub outline 5, makes the diameter of wheel hub outline 5 change. Since the hub outer contour 5 is the outer boundary of the wheel, when the hub outer contour 5 is deformed, the contour diameter changes according to V ═ ω R, the acceleration ω is constant because the engine speed is constant, and the wheel speed V changes at this time. Meanwhile, the driven hydraulic pushing mechanism assists in pushing the pushing action of the push rod 6, and external pressure is relieved.
The wheel does a fixed shaft circular motion when in work, so the wheel is easy to return to the original shape when deformed when driven due to the external pressure, and the external force applied to the driving hydraulic push rod
FHorizontal bar＝F*sinα/cosα
α is less than 90 deg., so the external force applied to the hydraulic rod is less than that applied to the wheel, and the resultant force of the stable thrust output by the driving hydraulic push rod when the driving hydraulic push rod is stable and the upward thrust of the central driven hydraulic push rod is added to the elastic force of the stop spring to counteract the external pressure to ensure the wheel in operation
The working diameter of the seed is guaranteed to be stable and unchanged.
The hydraulic stepless speed change power wheel provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A hydraulic stepless speed change power wheel is characterized in that: the hub outer contour adjusting mechanism comprises a sliding rod (11) and driving hydraulic pushing mechanisms respectively arranged at two ends of the sliding rod (11), wherein a driven hydraulic pushing mechanism is arranged on the sliding rod (11), and the sliding rod (11) is connected with a hub outer contour (5) through the driven hydraulic pushing mechanism;
a plurality of sliding bulges (1101) are arranged on the sliding rod (11) along the circumferential direction of the sliding rod, and the sliding bulges (1101) are arranged along the axial direction of the sliding rod (11);
the driven hydraulic pushing mechanism comprises a central driven hydraulic shell (8) and a central driven hydraulic push rod (9), a plurality of central driven hydraulic shells (8) are arranged at intervals along the circumferential direction of the push rod (11), the central driven hydraulic shells (8) are arranged along the radial direction of the push rod (11), the central driven hydraulic shells (8) are in sliding connection with the push rod (11), adjacent central driven hydraulic shells (8) are fixedly connected through a connecting rod (10), one end of the central driven hydraulic push rod (9) is arranged in the central driven hydraulic shell (8), and the other end of the central driven hydraulic push rod is fixedly connected with the outer contour (5) of the wheel hub;
the outer contour (5) is composed of a plurality of outer contour plates (501), and the outer contour plates form a complete annular hub outer contour;
initiative hydraulic pressure pushing mechanism includes multilateral body hydraulic oil pump (7), screw thread hydraulic pressure shell (1), initiative hydraulic push rod (2), ring (3), stop spring (4) and promotion push rod (5), the tip fixed connection of multilateral body hydraulic oil pump (7) and slide bar (11), be fixed with screw thread hydraulic pressure shell (1) on the lateral wall of multilateral body hydraulic oil pump (7) respectively, the one end of initiative hydraulic push rod (2) is located screw thread hydraulic pressure shell (1), its one end and ring (3) fixed connection towards slide bar (11), ring (3) sliding sleeve is at the surface of slide bar (11), the another side of ring (3) is connected with promotion push rod (6) through stop spring (4), it is articulated with outer profile board (501) to promote push rod (6).
2. The hydraulic continuously variable power wheel of claim 1, wherein: the inner surface of the outer contour plate (501) is provided with a fixed connecting plate (502), the middle part of the fixed connecting plate (502) is fixedly connected with the central driven hydraulic push rod (9), and two ends of the fixed connecting plate (502) are respectively hinged with the push rod (6).
3. The hydraulic continuously variable power wheel of claim 1, wherein: the end part of the central driven hydraulic shell (8) is provided with a T-shaped groove, the sliding protrusion (1101) is arranged in the T-shaped groove, and the sliding protrusion (1101) slides in the T-shaped groove.
4. The hydraulic continuously variable power wheel of claim 1, wherein: the outer surface of outer contour plate (501) is equipped with several slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911145711.7A CN110985637A (en) | 2019-11-21 | 2019-11-21 | Hydraulic stepless speed change power wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911145711.7A CN110985637A (en) | 2019-11-21 | 2019-11-21 | Hydraulic stepless speed change power wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110985637A true CN110985637A (en) | 2020-04-10 |
Family
ID=70085416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911145711.7A Pending CN110985637A (en) | 2019-11-21 | 2019-11-21 | Hydraulic stepless speed change power wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110985637A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744770A (en) * | 2020-06-30 | 2020-10-09 | 施灵华 | Planting seed sieving mechanism with marking function |
| CN114658820A (en) * | 2022-05-23 | 2022-06-24 | 陕西晟思智能测控有限公司 | Transmission device of motor shaft |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201083255Y (en) * | 2007-09-25 | 2008-07-09 | 大连交通大学 | Split belt wheel type belt transmission stepless variable-speed gear |
| KR20160041117A (en) * | 2014-10-06 | 2016-04-18 | 현대자동차주식회사 | Variable tire |
| CN205961790U (en) * | 2016-07-29 | 2017-02-22 | 青岛农业大学 | Transplanter with adjustable it is stepless |
| US20170349003A1 (en) * | 2015-05-16 | 2017-12-07 | Darien Joso | Wheel with an intelligent suspension system |
| CN108248280A (en) * | 2018-01-31 | 2018-07-06 | 北京汽车研究总院有限公司 | A kind of built-up wheel and automobile |
| KR20180098461A (en) * | 2017-02-24 | 2018-09-04 | 김대희 | Method and device to let vehicle act multiple actions by changing the size of wheel |
| CN211474818U (en) * | 2019-11-21 | 2020-09-11 | 青岛农业大学 | Hydraulic stepless speed change driving wheel |
-
2019
- 2019-11-21 CN CN201911145711.7A patent/CN110985637A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201083255Y (en) * | 2007-09-25 | 2008-07-09 | 大连交通大学 | Split belt wheel type belt transmission stepless variable-speed gear |
| KR20160041117A (en) * | 2014-10-06 | 2016-04-18 | 현대자동차주식회사 | Variable tire |
| US20170349003A1 (en) * | 2015-05-16 | 2017-12-07 | Darien Joso | Wheel with an intelligent suspension system |
| CN205961790U (en) * | 2016-07-29 | 2017-02-22 | 青岛农业大学 | Transplanter with adjustable it is stepless |
| KR20180098461A (en) * | 2017-02-24 | 2018-09-04 | 김대희 | Method and device to let vehicle act multiple actions by changing the size of wheel |
| CN108248280A (en) * | 2018-01-31 | 2018-07-06 | 北京汽车研究总院有限公司 | A kind of built-up wheel and automobile |
| CN211474818U (en) * | 2019-11-21 | 2020-09-11 | 青岛农业大学 | Hydraulic stepless speed change driving wheel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744770A (en) * | 2020-06-30 | 2020-10-09 | 施灵华 | Planting seed sieving mechanism with marking function |
| CN114658820A (en) * | 2022-05-23 | 2022-06-24 | 陕西晟思智能测控有限公司 | Transmission device of motor shaft |
| CN114658820B (en) * | 2022-05-23 | 2022-08-23 | 陕西晟思智能测控有限公司 | Transmission device of motor shaft |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5829792B2 (en) | Gear device | |
| CA2722124C (en) | Continuously variable transmission | |
| CN211474818U (en) | Hydraulic stepless speed change driving wheel | |
| CN110985637A (en) | Hydraulic stepless speed change power wheel | |
| US5425683A (en) | Single-ring-gear planetary transmisssion unit with small difference between teeth of meshing gears | |
| US20110308344A1 (en) | Mechanical, multi-step automatic gearbox | |
| US11156271B2 (en) | Power unit for bionic robot, robot joint, and robot | |
| CN109664178B (en) | Polishing mechanism with variable transmission ratio and eccentric value changed through eccentric adjusting block | |
| KR20170058411A (en) | Compound planetary friction drive | |
| CN202158149U (en) | Harmonic gear device | |
| CN106015469B (en) | A kind of hollow type harmonic speed reducer | |
| CN205078700U (en) | Flywheel, engine and vehicle of engine | |
| CN207830474U (en) | A kind of multipurpose low speed gearbox | |
| CN101806339A (en) | Automatic gearbox for vehicle gear | |
| US9464696B2 (en) | Continuous variable transmission system and use thereof | |
| CN108087498B (en) | Multi-tooth simultaneous meshing movable tooth transmission device | |
| CN202402581U (en) | Variable-pitch-radius based star chain transmission stepless speed change device | |
| DE102012023150A1 (en) | Infinitely-variable gear system for e.g. bicycles, has clutch axially supported in transmission housing, large toothed wheel small gear driving spur gear, and pinion large gear driving chain drive, which is arranged outside housing | |
| CN202851833U (en) | Harmonic drive reducer provided with planetary wave generator | |
| CN202646610U (en) | Driven five-gear wheel gear of automobile transmission | |
| CN103388662A (en) | Lever type centrifugal force stepless automatic speed changer | |
| CN206592434U (en) | A kind of turbocharger full floating bearing | |
| CN107131223A (en) | Clutch gear ring, clutch and washing machine | |
| CN215596338U (en) | Harmonic gear reducer with rigid wheel | |
| CN206017688U (en) | Force mechanism in self shifter axle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Fangyan Inventor after: Zhang Pengcheng Inventor before: Zhang Pengcheng Inventor before: Wang Fangyan |
|
| CB03 | Change of inventor or designer information | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |