CN102494094A - Variable pitch radius based star chain transmission stepless speed change device - Google Patents
Variable pitch radius based star chain transmission stepless speed change device Download PDFInfo
- Publication number
- CN102494094A CN102494094A CN2011104285143A CN201110428514A CN102494094A CN 102494094 A CN102494094 A CN 102494094A CN 2011104285143 A CN2011104285143 A CN 2011104285143A CN 201110428514 A CN201110428514 A CN 201110428514A CN 102494094 A CN102494094 A CN 102494094A
- Authority
- CN
- China
- Prior art keywords
- control wheel
- stepless speed
- chain
- accessory whorl
- star
- 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.)
- Granted
Links
Images
Landscapes
- Transmissions By Endless Flexible Members (AREA)
Abstract
The invention provides a variable pitch radius based star chain transmission stepless speed change device. The device is characterized in that: a star sprocket device on a transmission main shaft is driven by adopting a motor, and forms a sprocket transmission pair by combining with a bush roller chain; the star sprocket device comprises a control wheel arranged on the transmission main shaft, and left and right auxiliary wheels which are arranged on two sides of the control wheel respectively; a control wheel stator and a control wheel rotor which are connected with the transmission main shaft are arranged on the inner diameter of the control wheel body; two rows of staggered supports are uniformly distributed on the circumference of the outer profile of the control wheel, and are connected with synchronizers on the left and right auxiliary wheels through connecting rods. According to the variable pitch based star chain transmission stepless speed change device, the problems that a conventional traditional friction type stepless gearbox can not complete power transfer without friction, a high-power stepless gearbox can not realize high push power adjustment without a hydraulic system, and a silent chain transmission stepless gearbox system has higher price and the like can be solved. The variable pitch radius based star chain transmission stepless speed change device is suitable for various heavy construction equipment under heavy-load low-speed conditions, such as middle-high class cars, machine tools, hoisting machinery, heavy-load vehicles, lorries, elevators, transmission machinery.
Description
Technical field
The present invention relates to star chain-driven stepless speed changes devices based on the circle radius of switching political loyalty.
Background technique
Existing stepless speed changes devices major part is to rely on frictional force to carry out transmission; Such as metal tape block-pushing stepless speed changes devices is to carry out transmission by producing friction force between metal tape and the awl dish; Obtain bigger frictional force, metal is had very high requirement, metal tape damages easily; Influence working life, and such stepless speed changes devices can't be applied in heavy duty, slow-revving equipment and the operating mode.As in heavy duty, slow-revving engineering equipment operating mode, use stepless speed changes devices; Have only the positive pressure of increase could obtain bigger frictional force and high-power transmission, and in existing stepless speed variator system, generally adopt oil hydraulic cylinder to realize that high thrust is the adjusting of positive pressure; Therefore; Need to be equipped with hydraulic equipment, but that hydraulic equipment relates to the volume of hydraulic system is bigger, energy consumption is higher.In addition; In stepless speed variator system, also there are some non-frictional stepless speed changes devicess, as adopting silent chain as driving medium; Can realize motion and the transmission of power under high pulling torque, the slow-speed of revolution; But the price of silent chain is high than the price of bush roller chain, and the price of its stepless speed variator system is expensive more, generally can only in the higher accurate mechanical equipment of required precision, adopt.
Summary of the invention
To above-mentioned situation, the object of the present invention is to provide a kind of can be used to transmit high-powerly do not need the adapted hydraulic system again and adopt bush roller chain as driving medium, do not need clutch yet; Also can under the static situation of driven wheel, realize speed change; And simple in structure, easy to manufacture, cost is low; Application area is big, is convenient to the star chain-driven stepless speed changes devices based on the circle radius of switching political loyalty of penetration and promotion.
To achieve these goals; Star chain-driven stepless speed changes devices based on the circle radius of switching political loyalty; It is by the star-like chain gear apparatus on the driven by motor transmission main shaft, and it is secondary to form chain-driven through the bush roller chain cooperation, and said star-like chain gear apparatus comprises the control wheel that is arranged on the transmission main shaft; Be divided into the left accessory whorl and the right accessory whorl of control wheel both sides; Control wheel body internal diameter is provided with the control wheel stator and control wheel rotor that connects transmission main shaft, evenly lays the bearing that two rows stagger each other on the control wheel external frame circumference, this bearing through connecting rod be arranged at left accessory whorl and link to each other with synchronizer on the right accessory whorl.
For implementation structure, effect optimization, its further step is:
Described synchronizer comprises the transmission countershaft that connects left accessory whorl and right accessory whorl, the sliding tooth cover that is set in transmission countershaft.
One end of described sliding tooth cover is anodontia cylindrical sleeve, and in anodontia cylinder condom end several supporting positioning key mouths is set evenly axially, and the inner conical surface of sliding tooth cover is provided with fine thread.
Described transmission countershaft is made as roundlet shell of column, conical section, gear segment and great circle shell of column successively and is arranged on the keyway on the great circle shell of column from left end is initial, and this keyway connects a minor sprocket through key.
The bearing of described control wheel is that 8 of every rows are divided in two axial planes.
One end of described connecting rod is established the U type enclosed ear seat that connects the control wheeling support, and the other end of connecting rod is established the L type open type fork that connects transmission countershaft.
The shaft shoulder portion of described left accessory whorl connects a ring electromagnet.
Be equipped with on the radial circumference of described left accessory whorl and right accessory whorl guiding slip groove and outer fixing ring and with supporting left slider, the right slide block of guiding slip groove.
The internal diameter of described left slider is provided with ring gear and chute, and sliding pin and spring are set in the chute.
The both sides of described left slider and right slide block are provided with the location convex tendon that cooperates with the guiding slip groove of left accessory whorl and right accessory whorl.
The present invention adopts by the star-like chain gear apparatus on the driven by motor transmission main shaft; And it is secondary to form chain-driven through the bush roller chain cooperation; Said star-like chain gear apparatus comprises the control wheel that is arranged on the transmission main shaft; Be divided into the left accessory whorl and the right accessory whorl of control wheel both sides; Control wheel body internal diameter is provided with the control wheel stator and control wheel rotor that connects transmission main shaft, evenly lays the bearing that two rows stagger each other on the control wheel external frame circumference, this bearing through connecting rod be arranged at the technological scheme that left accessory whorl links to each other with synchronizer on the right accessory whorl; Having solved existing traditional frictional stepless speed variator necessarily needs frictional force could accomplish transmission of power, and big power variable speed unit then need adopt the price of adjusting and silent chain drive stepless speed changing system that hydraulic system realizes high thrust than difficult problems such as costlinesses.
The present invention compares the beneficial effect that existing technology produces:
(I) the present invention adopts common bush roller chain to carry out the transmission of power, transmitted power, and carry-over moment is much larger than the frictional stepless speed changes devices;
(II) component of the present invention's employing are all more common, do not have special required precision, simple in structure, easy processing, and cost of production is low;
(III) the present invention adopts the fully-machinery type structure to realize stepless change, has not only saved complicated hydraulic system, and the volume of device dwindles greatly, and the speed-change process energy consumption also is less than traditional Hyaulic infinite variable speed device;
(IV) the present invention adopts the structure that sliding tooth cover combines with transmission countershaft, can effectively reduce the impact in the speed-change process, reaches the effect of steady speed change;
(V) the present invention needs only an adaptive stepper motor; Its whole speed-change process just can be realized control automatically fully; As making machine in the course of the work through program module design or sensor feedback signal; The velocity ratio of speed changer is varied to the suitable curve of certain bar continuously, and output speed also can change, and reaches best effort effect and high workload efficient;
(VI) the present invention can realize speed change under the situation of static situation of driving wheel follower and the clutch that need not add;
(VII) process of speed change of the present invention need not used clutch, and speed change has reduced complicated speed change program and mechanism at any time;
(VIII) driving wheel of the present invention and follower adopt same structure, and speed change promptly can speedup can be slowed down again simultaneously, can also make speed constant; Promptly when velocity ratio be speed increaser less than 1 the time, equal at 1 o'clock, speed is constant, is retarder greater than 1 o'clock; The scope that velocity ratio changes greatly;
(IX) the present invention can also expand the chain-driven into many rows, and transmission power is further increased;
(X) the present invention uses bush roller chain to make driving medium, and need not drop into new manufacturing mechanism and production process and improve, processing ease, easy to maintenance, manufacturing efficiency is high, good product quality, application area enlarges, and is convenient to penetration and promotion.
The present invention is fit to do the various heavy engineering equipment that use under the heavy-duty low-speed operating mode.Such as medium-to-high grade car, lathe, Hoisting Machinery, truck, elevator transmits machinery.
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
Description of drawings
Fig. 1 is the secondary plan view of chain-driven of the present invention.
Fig. 2 is the sectional view of the star-like chain gear apparatus of the present invention.
The partial enlarged drawing that Fig. 3 is connected with left slider for synchronizer of the present invention.
The partial enlarged drawing that Fig. 4 combines with left accessory whorl for left slider of the present invention.
Fig. 5 is the plan view of left slider of the present invention.
Fig. 6 is the sectional view of left slider of the present invention.
Fig. 7 is the half sectional view of the present invention left side accessory whorl.
Fig. 8 is the A-A sectional view of Fig. 7.
Fig. 9 controls the plan view of wheel for the present invention.
Figure 10 is the C-C sectional view of Fig. 9.
Figure 11 is the plan view of transmission countershaft of the present invention.
Figure 12 is the left side view of transmission countershaft of the present invention.
Figure 13 is the radially half sectional view of the right accessory whorl of the present invention.
Figure 14 is the plan view of the sliding tooth cover of the present invention.
Figure 15 is the sectional view of the F-F of Figure 14 of the present invention.
Figure 16 is the plan view of the right slide block of the present invention.
Figure 17 is the plan view of connecting rod of the present invention.
Figure 18 is the left side view of connecting rod of the present invention.
Among the figure: 1, motor, 2, transmission main shaft, 3, star-like chain gear apparatus, 30, convex tendon, 31, the control wheel, 311, bearing; 312, control wheel stator, 313, control wheel rotor, 32, left accessory whorl, 323, the ring electromagnet, 33, right accessory whorl, 34, connecting rod; 341, U type enclosed ear seat, 342, L type open type fork, 35, synchronizer, 351, transmission countershaft, 352, sliding tooth cover, 353, the positioning key mouth; 354, minor sprocket, 36, guiding slip groove, 37, left slider, 371, ring gear, 372, chute; 373, sliding pin, 38, right slide block, 39, the outer fixing ring, 4, bush roller chain, 5, Idle wheel.
Embodiment
In conjunction with accompanying drawing; Based on the star chain-driven stepless speed changes devices of the circle radius of switching political loyalty, the star-like chain gear apparatus 3 that it is driven on the transmission main shaft 2 by motor 1, and it is secondary to form chain-driven through bush roller chain 4 cooperations; Said star-like chain gear apparatus 3 comprises the control wheel 31 that is arranged on the transmission main shaft 2; Be divided into the left accessory whorl 32 and right accessory whorl 33 of control wheel 31 both sides, control wheel 31 body internal diameters are provided with the control wheel stator 312 and control wheel rotor 313 that connects transmission main shaft 2, and control wheel stator 312 is through spline and transmission main shaft 2 interference fit; Control wheel rotor 313 cooperates with control wheel stator 312; Control wheel rotor 313 can rotate an angle around control wheel stator 312 under the driving of control signal, control wheel rotor 313 links to each other with control wheel 31 bodies, and motion together; Evenly lay the bearing 311 that two rows stagger each other on the control wheel 31 external frame circumference, this bearing 311 through connecting rod 34 be arranged at left accessory whorl 32 and link to each other with synchronizer 35 on the right accessory whorl 33.Synchronizer 35 comprises the transmission countershaft 351 that connects left accessory whorl 32 and right accessory whorl 33, the sliding tooth cover 352 that is set in transmission countershaft 351.One end of sliding tooth cover 352 is anodontia cylindrical sleeve, and in anodontia cylinder condom end positioning key mouth 353 supporting more than 3 is set evenly axially; Frictional force for conical section male cone (strobilus masculinus) on the inner conical surface that increases sliding tooth cover 352 and the transmission countershaft 351; Make the transmission countershaft 351 can be synchronous with respect to left slider 37 fast, so can destroy the fine thread of the lubricant film between two conical surfaces of conical section male cone (strobilus masculinus) on inner conical surface and the transmission countershaft 351 of cunning tooth cover 352 the inner conical surface setting of sliding tooth cover 352.Transmission countershaft 351 is made as roundlet shell of column, conical section, gear segment and great circle shell of column successively and is arranged on the keyway on the great circle shell of column from left end is initial, and this keyway connects a minor sprocket 354 through key.The bearing 311 of control wheel 31 is divided in two axial planes for 8 of every rows.Bearing 311 is connected with the U type enclosed ear seat 341 of connecting rod 34 1 ends, and the other end of connecting rod 34 is a L type open type fork 342, and it is connected with transmission countershaft 351 cassettes.For the ring gear 371 that makes the left slider 37 in the left accessory whorl 32 external tooth with transmission countershaft 351 sections of cogging breaks away from, transmission countershaft 351 can rotation, connects the ring electromagnet 323 of left accessory whorl 32 bodies of an attraction in the shaft shoulder portion of left accessory whorl 32.Be equipped with on the radial circumference of left side accessory whorl 32 and right accessory whorl 33 guiding slip groove 36 and outer fixing ring 39 and with supporting left slider 37, the right slide block 38 of guiding slip groove 36.Is that reseting stage is synchronous in order to make transmission countershaft and left slider in the phase III of speed change, is provided with ring gear 371 and chute 372 at the internal diameter of left slider 37, and sliding pin 373 and spring are set in the chute 372.For the stuck phenomenon that guarantees that slide block can not cause because of position, left and right sides unbalance stress in corresponding chute, so be provided with the location convex tendon 30 that cooperates with the guiding slip groove 37 of left accessory whorl 33 and right accessory whorl 34 in the both sides of left slider 37 and right slide block 38.Left side accessory whorl 32 passes through the spline Spielpassung with transmission main shaft 2; It can be moved to the left under the effect of ring electromagnet 323; Convex tendon 30 on the left slider 37 cooperates with guiding slip groove 36 on the left accessory whorl 32; Left side accessory whorl 32 and left slider 37 be together with transmission main shaft 2 revolution, and right accessory whorl 33 is through spline and transmission main shaft 2 interference fit, and the convex tendon 30 on the right slide block 38 cooperates with guiding slip groove 36 on the right accessory whorl 33; Right accessory whorl 33 revolves round the sun with transmission main shaft 2 with right slide block 38 together, confirms the axial position of transmission countershaft 351 in star-like chain gear apparatus 3.
Shown in accompanying drawing, the working principle that the present invention is based on the star chain-driven stepless speed changes devices of the circle radius of switching political loyalty is:
The present invention radially splits into several portions according to chain-driven polygonal principle with traditional radius drive sprocket of deciding, and through changing the length of each part, reaches the Pitch radius that changes sprocket driving.Concrete measure is: referring to accompanying drawing, this device speed-change process is divided into three steps, and one, separation phase, two, gear shift stage, three, reseting stage.
The process of speed change: the first step of speed change: separation phase; Promptly under the effect of ring electromagnet 323; Left side accessory whorl 32 is moved to the left a bit of distance; Meanwhile, left accessory whorl 32 drives left slider 37 and moves together, makes the ring gear 371 of left slider 37 and the external tooth of transmission countershaft 351 sections of cogging break away from; This moment transmission countershaft 351 can be with respect to left accessory whorl 32, right accessory whorl 33 freely rotates is rotation, the power on the transmission main shaft 2 can't pass on the transmission countershaft 351; Second step: gear shift stage; At this moment, control wheel 31 is under the control of control corresponding system, and the control wheel rotor 313 of control wheel 31 rotates an angle with respect to the control wheel stator 312 of control wheel 31, and promptly control wheel 31 bodies rotate an angle with respect to transmission main shaft 2; The connecting rod 34 that connects control wheel 31 bearings 311 drives the left slider 37 on the transmission countershaft 351 in the synchronizers 35, right slide block 38 along left accessory whorl 32,36 operations of right accessory whorl 33 guiding slip grooves; Thereby change the position of synchronizer 35, promptly change the Pitch radius of star chain-driven stepless speed changes devices; In this process, the minor sprocket 354 that is installed on transmission countershaft 351 is freely to rotate, i.e. minor sprocket 354 rotations; Under the synergy of Idle wheel 5, guarantee that chain is tensioning state all the time, and tooth, stuck, skidding can not occur jumping; The 3rd step: reseting stage; When synchronizer 35 moves to new position, minor sprocket 354 also reaches new position simultaneously; At this moment, 323 outages of ring electromagnet move right under the action of reset spring of left accessory whorl 32 in ring electromagnet 323; Left slider 37 drives down at left accessory whorl 32 and also moves right, and the sliding pins 373 in the chute 372 also promote sliding tooth cover 352 and move right simultaneously, overlaps 352 inner conical surface and contacts with the male cone (strobilus masculinus) of the conical section of transmission countershaft 351 up to sliding tooth; After the contact, sliding tooth overlaps the lubricant film between the male cone (strobilus masculinus) of inner conical surface that fine thread on 352 inner conical surfaces also can destroy sliding tooth cover 352 and the conical section of transmission countershaft 351, the male cone (strobilus masculinus) generation frictional force of the inner conical surface of sliding tooth cover 352 and the conical section of transmission countershaft 351; At this moment; Left slider 37 continues to move to right, and the spring between sliding pin 373 and the left slider 37 is compressed, and the frictional force between sliding tooth cover 352 and the transmission countershaft 351 further increases; Transmission countershaft 351 speed reduce; When sliding tooth cover 352 when left slider 37 is advanced in compression fully, left slider 37 ring gears 371 mesh under the leading role of end relief with the external gear of transmission countershaft 351 gear segments, left slider 37 continues to move to right and meshes fully until the ring gear 371 of left slider 37 and the external gear of transmission countershaft 351 gear segments; Minor sprocket 354 is by locked; Moment of rotation on the transmission main shaft 2 is through left accessory whorl 32, left slider 37, transmission countershaft 351; Minor sprocket 354 is delivered on the bush roller chain 4, thereby the power of motor 1 output is passed to follower through star-like chain gear apparatus 3; The speed change task of star chain-driven stepless speed changes devices is accomplished.
Claims (10)
1. based on the star chain-driven stepless speed changes devices of the circle radius of switching political loyalty; It is characterized in that it drives the star-like chain gear apparatus (3) on the transmission main shaft (2) by motor (1); And it is secondary to form chain-driven through bush roller chain (4) cooperation; Said star-like chain gear apparatus (3) comprises the control wheel (31) that is arranged on the transmission main shaft (2); Be divided into the left accessory whorl (32) and the right accessory whorl (33) of control wheel (31) both sides; Control wheel (31) body internal diameter is provided with the control wheel stator (312) and control wheel rotor (313) that connects transmission main shaft (2), evenly lays the bearing (311) that two rows stagger each other on control wheel (31) external frame circumference, this bearing (311) through connecting rod (34) be arranged at left accessory whorl (32) and link to each other with synchronizer (35) on the right accessory whorl (33).
2. the star chain-driven stepless speed changes devices based on the circle radius of switching political loyalty according to claim 1 is characterized in that described synchronizer (35) comprises the transmission countershaft (351) that connects left accessory whorl (32) and right accessory whorl (33), the sliding tooth cover (352) that is set in transmission countershaft (351).
3. the star chain-driven stepless speed changes devices based on the circle radius of switching political loyalty according to claim 2; An end that it is characterized in that described sliding tooth cover (352) is anodontia cylindrical sleeve; And several supporting positioning key mouths (353) axially evenly being set in anodontia cylinder condom end, the inner conical surface of sliding tooth cover (352) is provided with fine thread.
4. the star chain-driven stepless speed changes devices based on the circle radius of switching political loyalty according to claim 2; It is characterized in that described transmission countershaft (351) is made as roundlet shell of column, conical section, gear segment and great circle shell of column successively and is arranged on the keyway on the great circle shell of column from left end is initial, this keyway connects a minor sprocket (354) through key.
5. the star chain-driven stepless speed changes devices based on the circle radius of switching political loyalty according to claim 1 is characterized in that the bearing (311) of described control wheel (31) is divided in two axial planes for 8 of every rows.
6. the star chain-driven stepless speed changes devices based on the circle radius of switching political loyalty according to claim 1; An end that it is characterized in that described connecting rod (34) is established the U type enclosed ear seat (341) that connects control wheel (31) bearing (311), and the other end of connecting rod (34) is established the L type open type fork (342) that connects transmission countershaft (351).
7. the star chain-driven stepless speed changes devices based on the circle radius of switching political loyalty according to claim 1 is characterized in that the shaft shoulder portion of described left accessory whorl (32) connects a ring electromagnet (323).
8. the star chain-driven stepless speed changes devices based on the circle radius of switching political loyalty according to claim 1, it is characterized in that being equipped with on the radial circumference of described left accessory whorl (32) and right accessory whorl (33) guiding slip groove (36) and outer fixing ring (39) and with supporting left slider (37), the right slide block (38) of guiding slip groove (36).
9. the star chain-driven stepless speed changes devices based on the circle radius of switching political loyalty according to claim 8 is characterized in that the internal diameter of described left slider (37) is provided with ring gear (371) and chute (372), and sliding pin (373) and spring are set in the chute (372).
10. the star chain-driven stepless speed changes devices based on the circle radius of switching political loyalty according to claim 8 is characterized in that the both sides of described left slider (37) and right slide block (38) are provided with the location convex tendon (30) that cooperates with the guiding slip groove (37) of left accessory whorl (33) and right accessory whorl (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110428514.3A CN102494094B (en) | 2011-12-20 | 2011-12-20 | Variable pitch radius based star chain transmission stepless speed change device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110428514.3A CN102494094B (en) | 2011-12-20 | 2011-12-20 | Variable pitch radius based star chain transmission stepless speed change device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102494094A true CN102494094A (en) | 2012-06-13 |
| CN102494094B CN102494094B (en) | 2014-12-17 |
Family
ID=46185941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110428514.3A Expired - Fee Related CN102494094B (en) | 2011-12-20 | 2011-12-20 | Variable pitch radius based star chain transmission stepless speed change device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102494094B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4129044A (en) * | 1977-05-19 | 1978-12-12 | Erickson Marlo W V | Variable gear ratio chain drive system for bicycles |
| CN2182785Y (en) * | 1993-12-19 | 1994-11-16 | 陈林 | Stepless speed changing device for bicycle |
| CN2200728Y (en) * | 1994-08-20 | 1995-06-14 | 明建 | Planet chain wheel quasi-stepless position gear |
| JP2002070967A (en) * | 2000-08-29 | 2002-03-08 | Wandaa Kikaku:Kk | Continuously variable transmission |
| WO2004040168A1 (en) * | 2002-10-31 | 2004-05-13 | Yugenkaisha Wanda Kikaku | Stepless speed change apparatus |
| CN102062196A (en) * | 2009-06-02 | 2011-05-18 | 杨鲁川 | Equivalent diameter adjustable chain wheel device, stepless speed change device and power system |
| CN202402581U (en) * | 2011-12-20 | 2012-08-29 | 湖南科技大学 | Variable-pitch-radius based star chain transmission stepless speed change device |
-
2011
- 2011-12-20 CN CN201110428514.3A patent/CN102494094B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4129044A (en) * | 1977-05-19 | 1978-12-12 | Erickson Marlo W V | Variable gear ratio chain drive system for bicycles |
| CN2182785Y (en) * | 1993-12-19 | 1994-11-16 | 陈林 | Stepless speed changing device for bicycle |
| CN2200728Y (en) * | 1994-08-20 | 1995-06-14 | 明建 | Planet chain wheel quasi-stepless position gear |
| JP2002070967A (en) * | 2000-08-29 | 2002-03-08 | Wandaa Kikaku:Kk | Continuously variable transmission |
| WO2004040168A1 (en) * | 2002-10-31 | 2004-05-13 | Yugenkaisha Wanda Kikaku | Stepless speed change apparatus |
| CN102062196A (en) * | 2009-06-02 | 2011-05-18 | 杨鲁川 | Equivalent diameter adjustable chain wheel device, stepless speed change device and power system |
| CN202402581U (en) * | 2011-12-20 | 2012-08-29 | 湖南科技大学 | Variable-pitch-radius based star chain transmission stepless speed change device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102494094B (en) | 2014-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20110020917A (en) | Speed-up device for wind-driven generator and support mechanism for rotating shaft | |
| CN103307237B (en) | Flexible engagement infinitely variable transmission | |
| KR102367587B1 (en) | Compound planetary friction drive | |
| CN102094945A (en) | High-power stepless transmission | |
| CN201795017U (en) | Automatic transmission of automobile gear | |
| CN205479310U (en) | Novel manual governing operating mechanism of belt formula separation cone pulley buncher | |
| CN103498894A (en) | Roller cone disc type continuously variable transmission | |
| CN202402581U (en) | Variable-pitch-radius based star chain transmission stepless speed change device | |
| CN101806339A (en) | Automatic gearbox for vehicle gear | |
| CN101566219B (en) | Large-torque roll-type constant ratio/stepless speed changer | |
| CN102230524A (en) | High-torque continuously variable transmission | |
| CN110953311B (en) | Gear ring eccentric rotation stepless speed change system | |
| CN100383433C (en) | Dual-belt or dual-chain drive synchronizing device | |
| CN102619939A (en) | Centrifugal force controlled planet gear stepless transmission | |
| CN109555828B (en) | Rolling type continuously variable transmission | |
| CN102494094B (en) | Variable pitch radius based star chain transmission stepless speed change device | |
| CN104930136A (en) | Gear control gearbox | |
| WO2018157806A1 (en) | Continuously variable transmission | |
| CN109555825B (en) | On-line stepless continuous variable transmission device without stopping | |
| CN112780739A (en) | Stepless speed variator | |
| CN204164290U (en) | The gear of radial roller spiral | |
| CN203627699U (en) | Roller cone plate type stepless speed variator | |
| CN106246816A (en) | A kind of buncher | |
| CN207378071U (en) | Gear box of tractor advances, drive in the wrong direction retaining device | |
| CN102252071B (en) | Conical friction ring speed changer and the method by the stepless transmitting torque of conical friction ring speed changer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20141217 Termination date: 20201220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |