CN100455848C - Spherical stageless transmission speed changing device - Google Patents
Spherical stageless transmission speed changing device Download PDFInfo
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- CN100455848C CN100455848C CNB2007100484688A CN200710048468A CN100455848C CN 100455848 C CN100455848 C CN 100455848C CN B2007100484688 A CNB2007100484688 A CN B2007100484688A CN 200710048468 A CN200710048468 A CN 200710048468A CN 100455848 C CN100455848 C CN 100455848C
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 87
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
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Abstract
The invention discloses a ball stepless gear used to gear vehicle, wherein a bowl input disc and a output disc are concentrically opposite arranged, while two opposite concaves form upper and lower non-concentric semi balls, the coaxial transmission wheels are symmetry supported between the input and output discs of upper and lower semi balls, the side of the transmission wheel is engaged with the contacted ball, the transmission wheel controlled by a gear axle rotates synchronously in reverse direction in relative semi ball, the opposite ends of the input and output discs are arranged with a space between whose width is larger than the diameter of the gear axle, the center distance between the upper and lower semi balls is larger than the interference size of the transmission wheels in the semi balls. The invention is characterized in large contact area between the ball face and the side face of the transmission wheel, to transmit large power, without consuming engine, and save fuel.
Description
(1) technical field:
The present invention relates to a kind of vehicle transmission speed changer, particularly a kind of spherical stageless transmission speed changing device.
(2) background technique:
The continuously variable gear transmission that early uses on the imported auto is that the lower belt of efficient is wheeled, and it is in 2000 that the wheeled continuously variable gear transmission of belt further develops, and Japanese duke's car has adopted the roller type continuously variable gear transmission first, and is leveraged to the present.Form bell mouth shape between the input disc of this roller type continuously variable gear transmission and the output disc, the power transmission roller of being handled contacts with the different radii curved surface of input disc and output disc respectively, by friction driving the rotational power of input disc is passed to output disc, and make output disc have different output speeds.This roller type continuously variable gear transmission is simple in structure than the wheeled continuously variable gear transmission of belt, gear shift is steady, fuel-efficient effect is better relatively; But because roller is the some contact with contacting of input disc and output disc, it is limited to transmit frictional force, and wearing and tearing easily, is only limited to and uses on lower-powered car, and for powerful haulage vehicle, the roller type continuously variable gear transmission is also powerless.
(3) summary of the invention:
At the deficiency of above-mentioned roller type continuously variable gear transmission, the purpose of this invention is to provide a kind of spherical stageless transmission speed changing device that is applicable to the different capacity haulage vehicle.
Can realize the spherical stageless transmission speed changing device of above-mentioned purpose, comprise the power transmission wheel between input disc, output disc and input disc and the output disc, different is: the bowl-type input disc is relative with the output disc concentric, input disc relative with output disc concave surface form up and down two centre ofs sphere from hemisphere, coaxial power transmission takes turns respectively that symmetric support is stretched between the input disc and output disc of upper and lower hemispheres, and the side of power transmission wheel and the sphere that is contacted coincide and form line and contact; Swing around centre of sphere synchronous backward in the scope of hemisphere separately by the power transmission wheel of variable-speed shaft control; Leave the gap between the end face of input disc and output disc, the width in gap is greater than the diameter of variable-speed shaft; The centre of sphere of two hemisphere is apart from the size that interferes greater than the wheel of the power transmission in the upper and lower hemispheres.
The rotation of input disc passes to output disc by the power transmission wheel, when the axis of variable-speed shaft control power transmission wheel is horizontal, the velocity ratio of input disc and output disc is 1: 1, when the axis swing of variable-speed shaft control power transmission wheel is tilted, if the turning radius that contacts of a side power transmission wheel and input disc sphere less than the turning radius that contacts with the output disc sphere, then is reduction of speed output; If the turning radius that a side power transmission wheel contacts with the input disc sphere greater than the turning radius that contacts with the output disc sphere, then is raising speed output.
Pressure between described power transmission wheel support tensioning mechanism assurance power transmission wheel and input disc, the output disc sphere is guaranteed certain friction driving power.Support tensioning mechanism and comprise axle sleeve, bearing, rotating shaft, supporting sleeve, guide finger, pressure spring, variable-speed shaft also is a part that supports tensioning mechanism; Bearing is installed on the two ends of axle sleeve respectively, and the axle journal at the rotating shaft two ends in the vertical equity axle sleeve interlocks with bearing is fastening respectively, and the power transmission wheel is fixed on the two ends of rotating shaft; The variable-speed shaft transverse horizontal is provided with, and the axle center of variable-speed shaft overlaps with each hemisphere centre of sphere; Set firmly the guide finger vertical on the cover ear that outwards extends in both sides, axle sleeve middle part with variable-speed shaft, with the guide finger corresponding matching be supporting sleeve, the supporting sleeve suit is fixed on the variable-speed shaft, supports the sleeve rank and is provided with pressure spring with overlapping between the ear.
The gap between input disc and the output disc is stretched out at the two ends of described variable-speed shaft, and be installed on the fixing variable-speed bearing, the coaxial end that is connected in variable-speed shaft of speed change driven gear, the speed change driving gear of transmission assembly and the engagement of speed change driven gear, the drive motor of transmission assembly is controlled by computer.The stepless change of spherical stageless transmission speed changing device is finished by computer control, and computer is a foundation with the transducing signal of speedometer, the clockwise and anticlockwise of control transmission assembly, and the beat degree of regulating two secondary power transmission wheels by the transmission of gear is corresponding with the corresponding speed of a motor vehicle.
Spherical stageless transmission speed changing device can also be by manually control realization stepless change, one of structure of hand gear is: the speed change driven sprocket is connected with the speed change driven gear is coaxial, the speed change driven sprocket is connected with the speed change drive sprocket by chain, the clockwise and anticlockwise of hand gear operating handle control speed change drive sprocket.Manually stepless change and computer control stepless change can be assembled together simultaneously, and when computer control was worked, the hand gear operating handle separated with the speed change drive sprocket automatically, and when computer control stopped, the hand gear operating handle combined with the speed change drive sprocket.
Be coated with on input disc, the output disc hemisphere inwall with wear-resisting adhesive layer,, increase the service life to strengthen antifriction and friction ability; Offer the axial annular knurl that increases frictional force on the side of power transmission wheel.
The desirable fit dimension of each critical piece of spherical stageless transmission speed changing device is respectively: power transmission wheel upper base diameter is 20mm, and it is 80mm that the diameter of going to the bottom is taken turns in power transmission, and the height of power transmission wheel is 28mm; Upper and lower hemisphere radius is 100mm, and upper and lower hemisphere centre of sphere spacing is 60mm; The diameter of variable-speed shaft is 20mm.
Advantage of the present invention:
The spheric structure of spherical stageless transmission speed changing device input disc of the present invention, output disc has increased the area of contact of taking turns with power transmission, has improved gearing friction power, has satisfied the high power output of motor.The present invention not only can use for car, more can supportingly give motorbus lorry and truck, makes it to realize stepless shift function.
(4) description of drawings:
Fig. 1 is the structural representation of one embodiment of the present invention.
Fig. 2 is the cut-away view that the power transmission wheel in Fig. 1 mode of execution supports tension structure.
Fig. 3 is an A--A cut-away view in Fig. 1 mode of execution.
Fig. 4 is the scheme of installation of variable-speed shaft in Fig. 1 mode of execution.
Fig. 5 is the fundamental diagram of stepless control mechanism in Fig. 1 mode of execution.
Figure number sign: 1, input disc; 2, output disc; 3, power transmission wheel; 4, variable-speed shaft; 5, axle sleeve; 6, shaft bearing; 7, rotating shaft; 8, supporting sleeve; 9, guide finger; 10, pressure spring; 11, transmission housing; 12, variable-speed bearing; 13, speed change driven gear; 14, transmission assembly; 15, speed change driving gear; 16, speed change driven sprocket; 17, chain; 18, speed change drive sprocket; 19, hand gear operating handle.
(5) embodiment:
Spherical stageless transmission speed changing device of the present invention mainly comprises the power transmission wheel 3 between input disc 1, output disc 2 and input disc 1 and the output disc 2, as shown in Figure 1, flat bowl-type input disc 1 and output disc 2 axle head by both sides be installed in the transmission housing 11 and about relative, the distance between its end face is greater than 20mm; The inner concave of input disc 1 and output disc 2 constitutes the hemisphere of two same radius up and down, and the centre of sphere distance of upper and lower hemispheres is 60mm.Two variable-speed shaft 4 transverse horizontal settings, the axle center of variable-speed shaft 4 is concentric with the centre of sphere of upper and lower hemispheres respectively, and as shown in Figure 5, the gap of the two ends of variable-speed shaft 4 between input disc 1 and output disc 2 stretched out and is installed in the variable-speed bearing 12 of transmission housing 11.
Respectively be provided with one group of power transmission wheel 3 in the upper and lower hemispheres inside of input disc 1 and output disc 2 formations, with the wheel of the power transmission in the episphere 3 is example: two identical power transmission wheels 3 remain between input disc 1 and the output disc 2 by supporting tensioning mechanism, power transmission wheel 3 is round table-like, its upper base diameter is 20mm, the diameter of going to the bottom is 80mm, height is 28mm, and the side circular arc of power transmission wheel 3 coincide with the hemisphere inwall and contacts, as shown in Figure 1 and Figure 2.Support tensioning mechanism and comprise axle sleeve 5, shaft bearing 6, rotating shaft 7, supporting sleeve 8, guide finger 9, pressure spring 10.The axis of axle sleeve 5 is in the longitudinal surface at input disc 1 and output disc 2 centers, shaft bearing 6 is installed in the two ends of axle sleeve 5, rotating shaft 7 two axle journals and shaft bearing 6 suits in the axle sleeve 5 are fixed, and power transmission wheel 3 is fixedly mounted on the two ends of rotating shaft 7 respectively, as shown in Figure 1 and Figure 2.
As shown in Figure 3, the both sides lateral extension at axle sleeve 5 middle parts forms the cover ear, be fixed with on the cover ear face towards variable-speed shaft 4 and the guide finger 9 vertical with variable-speed shaft 4, the bottom through-hole of two supporting sleeves 8 and variable-speed shaft 4 suits are fixed, the top pin-and-hole of supporting sleeve 8 cooperates with guide finger 9 respectively, press-fiting pressure spring 10 between axle rank on the supporting sleeve 8 and axle sleeve 5 cover ear faces, pressure spring 10 upper top shafts cover 5 is pressed on power transmission wheel 3 on the hemisphere face; The rotation of variable-speed shaft 4 drives whole support tensioning mechanism and swings in the scope of the centre of sphere at hemisphere, and power transmission wheel 3 moves along sphere.
And in lower semisphere, have with episphere in identical structure, difference is the sense of rotation and the direction of rotation of episphere internal variable speed axle 4 of the variable-speed shaft 4 in the lower semisphere, two groups of interior power transmissions of lower peripheral surface are taken turns 3 synchronous backwards and are swung in realizations.
As shown in Figure 4, an end of variable-speed shaft 4 stretches out outside the transmission housing 11, the coaxial speed change driven gear 13 that is being connected in its termination.As shown in Figure 5, speed change driven gear 13 and 15 engagements of speed change driving gear, 15 engagements of speed change driving gear are controlled by transmission assembly 14, the drive motor of transmission assembly 14 is controlled by computer, the swing position that computer is regulated power transmission wheel 3 automatically according to the information of speedometer reaches the purpose of automobile automatic gear.The present invention also has hand gear mechanism: speed change driven sprocket 16 and the speed change driven gear 13 coaxial same ends that are connected in variable-speed shaft 4, speed change driven sprocket 16 is connected with speed change drive sprocket 18 by chain 17, and the rotation of speed change drive sprocket 18 is by 19 controls of hand gear operating handle.When hand gear operating handle 19 broke away from speed change drive sprocket 18, spherical stageless transmission speed changing device of the present invention was controlled speed change by computer, and when hand gear operating handle 19 combined with speed change drive sprocket 18, computer lost the control to gear.
Claims (7)
1, spherical stageless transmission speed changing device, comprise the power transmission wheel between input disc, output disc and input disc and the output disc, it is characterized in that: bowl-type input disc (1) is relative with output disc (2) concentric, concave surface forms two hemisphere up and down relatively, coaxial power transmission wheel (3) is stretched between input disc (1) and the output disc (2) by supporting the tensioning mechanism symmetric support respectively, and the side of power transmission wheel (3) coincide with the sphere that is contacted; Swing around centre of sphere synchronous backward in the scope of hemisphere separately by the power transmission wheel (3) of variable-speed shaft (4) control; Leave the gap between the end face of input disc (1) and output disc (2), the width in gap is greater than the diameter of variable-speed shaft (4); The size that the distance of center circle of upper and lower hemispheres interferes when turning to the limit greater than the power transmission wheel.
2, spherical stageless transmission speed changing device according to claim 1, it is characterized in that: support tensioning mechanism and comprise axle sleeve (5), shaft bearing (6), rotating shaft (7), supporting sleeve (8), guide finger (9), pressure spring (10), shaft bearing (6) is installed on the two ends of axle sleeve (5) respectively, the axle journal at rotating shaft (7) two ends in the axle sleeve (5) respectively with fastening the interlocking of shaft bearing (6), power transmission wheel (3) is fixed on the two ends of rotating shaft (7); Variable-speed shaft (4) is horizontally disposed with and is vertical with pairing axle sleeve (5) axle center, and the axle center of variable-speed shaft (4) is concentric with and each hemisphere centre of sphere; The cover ear that outwards extends in both sides, axle sleeve (5) middle part is provided with vertically the guide finger (9) towards variable-speed shaft (4), be fixed on the variable-speed shaft (4) with supporting sleeve (8) suit of guide finger (9) corresponding matching, press between supporting sleeve (8) axle rank and the cover ear to be provided with pressure spring (10).
3, spherical stageless transmission speed changing device according to claim 2, it is characterized in that: the two ends of variable-speed shaft (4) are stretched out input disc (1) and output disc (2) and are installed on the variable-speed bearing (12), speed change driven gear (13) is coaxial to be connected on the end of variable-speed shaft (4), by the speed change driving gear (15) and speed change driven gear (13) engagement of transmission assembly (14) control, the drive motor of transmission assembly (14) is controlled by computer.
4, spherical stageless transmission speed changing device according to claim 3, it is characterized in that: speed change driven sprocket (16) and coaxial being connected of speed change driven gear (13), speed change driven sprocket (13) is connected with speed change drive sprocket (18) by chain (17), hand gear operating handle (19) control speed change drive sprocket (18); Hand gear operating handle (19) separated with speed change drive sprocket (18) when computer control was worked, and when computer control stopped, hand gear operating handle (19) combined with speed change drive sprocket (18).
5, according to the described any spherical stageless transmission speed changing device of claim 1～4, it is characterized in that: be coated with on the inwall of input disc (1), output disc (2) with wear-resisting adhesive layer; Offer axial annular knurl on the side of power transmission wheel (3).
6, according to the described any spherical stageless transmission speed changing device of claim 1～4, it is characterized in that: power transmission wheel (3) is little, the big round platform of going to the bottom of upper base.
7, spherical stageless transmission speed changing device according to claim 6 is characterized in that: power transmission wheel (3) upper base diameter is 20mm, and the diameter of going to the bottom is 80mm, and height is 28mm; The upper and lower hemisphere radius that input disc (1), output disc (2) form is 100mm, and upper and lower hemisphere center of circle spacing is 60mm, and the diameter of variable-speed shaft is 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100484688A CN100455848C (en) | 2007-02-09 | 2007-02-09 | Spherical stageless transmission speed changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100484688A CN100455848C (en) | 2007-02-09 | 2007-02-09 | Spherical stageless transmission speed changing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101016937A CN101016937A (en) | 2007-08-15 |
| CN100455848C true CN100455848C (en) | 2009-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100484688A Expired - Fee Related CN100455848C (en) | 2007-02-09 | 2007-02-09 | Spherical stageless transmission speed changing device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508533B (en) * | 2016-01-18 | 2018-04-24 | 江苏省机械研究设计院有限责任公司 | The shell running gear of buncher |
| CN105757200A (en) * | 2016-03-17 | 2016-07-13 | 中研技术有限公司 | Continuously variable transmission |
| CN106969119B (en) * | 2017-05-15 | 2024-02-09 | 常州工程职业技术学院 | Speed-changing transmission mechanism of mechanical CVT (continuously variable Transmission) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213725U (en) * | 1987-09-23 | 1988-10-26 | 陈耿 | Planet steel-ball stepless speed variator |
| JPH0942403A (en) * | 1995-07-24 | 1997-02-14 | Nissan Motor Co Ltd | Toroidal type continuously variable transmission |
| CN2320843Y (en) * | 1997-11-16 | 1999-05-26 | 陈金龙 | Planetary steel ball stepless speed change device |
| CN1428524A (en) * | 2001-12-26 | 2003-07-09 | 陈光武 | Planetary steel ball stepless transmission device |
| WO2004031616A1 (en) * | 2002-10-04 | 2004-04-15 | Nonprofit Partnership 'innovation Agency' | Variable-speed unit |
| CN201027936Y (en) * | 2007-02-09 | 2008-02-27 | 覃勇 | Spherical stepless speed transmission |
-
2007
- 2007-02-09 CN CNB2007100484688A patent/CN100455848C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213725U (en) * | 1987-09-23 | 1988-10-26 | 陈耿 | Planet steel-ball stepless speed variator |
| JPH0942403A (en) * | 1995-07-24 | 1997-02-14 | Nissan Motor Co Ltd | Toroidal type continuously variable transmission |
| CN2320843Y (en) * | 1997-11-16 | 1999-05-26 | 陈金龙 | Planetary steel ball stepless speed change device |
| CN1428524A (en) * | 2001-12-26 | 2003-07-09 | 陈光武 | Planetary steel ball stepless transmission device |
| WO2004031616A1 (en) * | 2002-10-04 | 2004-04-15 | Nonprofit Partnership 'innovation Agency' | Variable-speed unit |
| CN201027936Y (en) * | 2007-02-09 | 2008-02-27 | 覃勇 | Spherical stepless speed transmission |
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| Publication number | Publication date |
|---|---|
| CN101016937A (en) | 2007-08-15 |
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Owner name: TAIZHOU QINGHUA ELECTROMECHANICAL MANUFACTURING CO Free format text: FORMER OWNER: TAN YONG Effective date: 20100519 |
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Free format text: CORRECT: ADDRESS; FROM: 541004 3-3-2, BUILDING 9, NO.31 HENGTANG ROAD, GUILIN CITY, GUANGXI ZHUANG AUTONOMOUS REGION TO: 317507 GUANGCHANG ROAD, RUOHENG TOWN, WENLING CITY, ZHEJIANG PROVINCE |
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Effective date of registration: 20100519 Address after: 317507 Zhejiang city of Wenling Province Wang Ruo Town Plaza Road Patentee after: Taizhou Qinghua Machine & Electric Manufacturing Co., Ltd. Address before: Heng Tang Lu Guilin 541004 the Guangxi Zhuang Autonomous Region No. 31 courtyard, 9 3-3-2 five Patentee before: Qin Yong |
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Assignee: Taizhou Qinghua Machine & Electric Manufacturing Co., Ltd. Assignor: Qin Yong Contract record no.: 2010330000628 Denomination of invention: Spherical stageless transmission speed changing device Granted publication date: 20090128 License type: Exclusive License Open date: 20070815 Record date: 20100426 |
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Owner name: AUTOFAST TECHNOLOGIES CO., LTD. Free format text: FORMER NAME: TAIZHOU QINGHUA MACHINERY + ELECTRIC MANUFACTURE CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 317507 Zhejiang city of Wenling Province Wang Ruo Town Plaza Road Patentee after: Autofast Technologies Co., Ltd. Address before: 317507 Zhejiang city of Wenling Province Wang Ruo Town Plaza Road Patentee before: Taizhou Qinghua Machine & Electric Manufacturing Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090128 Termination date: 20160209 |
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