CN104154199A - Novel swing arm type pulsating stepless speed variator - Google Patents

Novel swing arm type pulsating stepless speed variator Download PDF

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Publication number
CN104154199A
CN104154199A CN201410353343.6A CN201410353343A CN104154199A CN 104154199 A CN104154199 A CN 104154199A CN 201410353343 A CN201410353343 A CN 201410353343A CN 104154199 A CN104154199 A CN 104154199A
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CN
China
Prior art keywords
swing arm
output
speed
bearing
shaft
Prior art date
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Granted
Application number
CN201410353343.6A
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Chinese (zh)
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CN104154199B (en
Inventor
周里群
向军
刘伟
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Xiangtan University
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Xiangtan University
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Publication date
Application filed by Xiangtan University filed Critical Xiangtan University
Priority to CN201410353343.6A priority Critical patent/CN104154199B/en
Priority claimed from CN201410353343.6A external-priority patent/CN104154199B/en
Publication of CN104154199A publication Critical patent/CN104154199A/en
Application granted granted Critical
Publication of CN104154199B publication Critical patent/CN104154199B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • F16H37/122—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and oscillating motion
    • 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
    • F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
    • F16H53/02—Single-track cams for single-revolution cycles; Camshafts with such cams
    • F16H53/025—Single-track cams for single-revolution cycles; Camshafts with such cams characterised by their construction, e.g. assembling or manufacturing features
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention relates to a novel swing arm type pulsating stepless speed variator comprising a transmission portion, a transmission ratio adjustment portion and an output portion. The input shaft of the transmission portion is fixed to an eccentric wheel, the outer side of the eccentric wheel is fixedly provided with a rolling bearing linked to one side of a lower swing arm of a transmission swing arm in a rolling manner, the left and right sides of the outer circumference of a speed adjusting bearing of the transmission ratio adjustment mechanism are linked to one side of an upper swing arm of the transmission swing arm and one side of the output swing arm in the rolling manner respectively, and the contact of the rolling linkage can be changed through adjusting a speed adjusting handle manually. The output swing arm of the output portion is capable of swinging around an output transmission shaft provided with an output transmission gear, the output transmission gear is engaged with an output gear, and the output gear is fixedly connected to an output shaft through a key.

Description

The arm-type impulse stepless gear box of a kind of Novel swing
Technical field
The present invention relates to the arm-type impulse stepless gear box of a kind of Novel swing, relate in particular to a kind of speed regulative mode of novel impulse stepless gear box.
Background technique
Along with economic develop rapidly, people are more and more to the demand of power in productive life, in power using process, often relate to the demand aspect speed governing, most takes turns to realize by multiple sets of teeth, but this gear structure raising speed is slow, Security is low, it is high to consume energy and easy to wear, still await technological innovation; Impulse stepless gear box has the advantages such as reliable operation, speed adjustable range is wide, mode of speed regulation is many, has extensive use at present at industrial fields such as pharmacy, food, weaving, chemical industry, light industry, plastics, papermaking; Stepless pulsation speed variator has a variety of technological schemes in the prior art, but generally all complex structure, manufacture cost are high, and rotating ratio regulates also more difficult, and low-down rotating ratio especially can not be provided.Some technological scheme Safety performance is low, raising speed slow, power consumption height still awaits technological innovation.
Application number is that 201210017062.4 Chinese invention patent application discloses a kind of novel impulse stepless gear box, this stepless speed variator is grouped into by casing, active part, output and speed ratio adjusting portion, adopt manual governing handle adjusting speed ratio, can dynamic speed adjustment, also can static speed governing and minimum speed ratio can be zero.But the part of its speed regulating mechanism is relatively many, structure is relatively complicated.
Application number is that 89201734.1 Chinese invention patent application discloses a kind of oscillating-block pulsating-mechanical stepless speed-changing device, and it is by means of eccentric disc and the stepless gear transmission of free wheel device pulsed; The advanceto returntime ratio that this speed changer has overcome main unit mechanism in speed governing with the change of frame or crank length change, the problem such as the pulsation curves of output shaft rotating speed is irregular variation, mechanical efficiency is low, while having speed change, main machine frame relativeness is constant, forward and reverse output of all can working, advanceto returntime ratio value is constant, export the advantages such as steady, but its complex structure, huge, manufacture cost is high, maintenance difficult, rotating ratio regulates also more difficult, especially can not provide low-down rotating ratio, for example zero rotating ratio.
Summary of the invention
The object of the present invention is to provide the arm-type impulse stepless gear box of a kind of Novel swing, it is simple and compact for structure, low cost of manufacture, easy to maintenance simple, take up room little, adopt manual governing handle adjusting speed ratio, speed governing is convenient, and speed regulating mechanism is simple and practical, can dynamic speed adjustment, also can static speed governing, and minimum speed ratio can be zero, using scope is large, and Safety performance is good, and raising speed is fast.
The arm-type impulse stepless gear box of Novel swing of the present invention comprises that drive part, output and speed ratio regulate part; Drive part comprises input shaft, eccentric wheel, eccentric shaft bearing, transmission swing arm, swing arm bearing, transmission swing arm spring, driving mechanism casing; Speed adjusting portion is divided and is comprised speed-regulating handle, little axle, rigid bearing, speed governing contiguous block, speed governing coupling shaft, speed regulating bearing; Output comprises output swing arm, free wheel device, output swing arm spring, take-off (propeller) shaft, output drive gear, output shaft, output gear, output mechanism casing, cover plate, baffle plate.
Input shaft and output shaft are rotatably installed in respectively on casing; Input shaft one end is connected with eccentric wheel by key, is fixed with a rolling bearing on eccentric wheel.Transmission swing arm is installed in rotation on transmission case body by swing arm bearing, transmission swing arm is divided into top link and lower swing arm, transmission swing arm spring contacts with a side of lower swing arm, and its spring force makes lower swing arm and the housing washer on eccentric wheel remain that rolling connects.In the time of input shaft band movable eccentric wheel and eccentric shaft bearing rotation, owing to there being throw of eccentric, eccentric shaft bearing outer-ring can drive transmission swing arm to do cycloid motion.The rigid bearing of speed regulating mechanism is fixedly mounted on speed-regulating handle, little axle is arranged on rigid bearing, the two ends of little axle are installed with respectively a speed governing contiguous block, the other end of speed governing contiguous block has axis hole, one speed governing coupling shaft is arranged in axis hole, and the two ends, left and right of speed governing coupling shaft are separately installed with speed regulating bearing.The speed regulating bearing center at two ends, left and right remains on same axial direction with speed governing coupling shaft all the time.The speed regulating bearing outer ring of left end keeps rolling with output swing arm and connects, the speed regulating bearing outer ring of right-hand member keeps rolling with output swing arm and connects, one side of output swing arm contacts with output swing arm spring, and its spring force makes to export swing arm and remains that with the speed regulating bearing of right-hand member rolling connects.Speed regulating bearing can be clamped in front and back with the position that contacts with right-hand member speed regulating bearing outer ring of output swing arm in the position that transmission swing arm contacts with left end speed regulating bearing outer ring, makes speed regulating bearing in the time not rotating speed-regulating handle and the contact position of swing arm immobilizes.In the time rotating speed-regulating handle, also rotate and changed the position of little axle simultaneously, and drive speed governing contiguous block to change the contact position of speed regulating bearing outer ring and swing arm.When left end speed regulating bearing is during away from the center of rotation of transmission swing arm, the pivot angle that transmission swing arm passes to speed regulating bearing is larger, when left end speed regulating bearing during the closer to transmission swing arm center of rotation pivot angle less, when the center of speed regulating bearing and the center of rotation of transmission swing arm are during in same straight line, speed regulating bearing will not do cycloid motion.Left and right two ends speed regulating bearing connects by speed governing coupling shaft, makes it have same pendulum angle and swing speed.The other end of output swing arm is fixedly connected on the outer shroud of free wheel device, and the star-wheel of free wheel device is connected with take-off (propeller) shaft by key, and output swing arm can be done cycloid motion around the axis of take-off (propeller) shaft.Free wheel device passes to swinging back and forth of swing arm of output by the right speed regulating bearing of speed regulating mechanism and is converted into the unidirectional rotary motion at intermittence of take-off (propeller) shaft.Take-off (propeller) shaft is provided with output transmission cylindrical gears, and output cylindrical gears is connected with take-off (propeller) shaft by key.Output drive gear engages with output gear, and output gear is connected with output shaft by key.Transmission swing arm, swing arm bearing, transmission swing arm spring, little axle, rigid bearing, speed governing contiguous block, speed governing coupling shaft, speed regulating bearing, output swing arm, free wheel device, output swing arm spring, take-off (propeller) shaft, output drive gear are a set of whole parts, for making the output shaft can continuous and stable one-way rotation, the axis taking input shaft in casing be uniformly distributed these parts of three covers on the circumference in the center of circle.
Medium speed ratio of the present invention is relevant with the pivot angle size of output swing arm, and pivot angle is larger, and speed ratio is larger, otherwise less.The size of the pivot angle of the output swing arm in speed changer of the present invention is relevant with the contact position that left speed regulating bearing outer ring and transmission swing arm rolling connect, when left speed regulating bearing is during away from the center of rotation of transmission swing arm, its pivot angle that passes to output swing arm is larger, in the time of its center of rotation near transmission swing arm, its pivot angle that passes to output swing arm is less, until pivot angle is zero.It is by regulating left end speed regulating bearing to realize with respect to the position of transmission swing arm center of rotation that the speed ratio of the arm-type impulse stepless gear box of Novel swing of the present invention regulates, by rotating speed-regulating handle position with respect to transmission swing arm center of rotation can regulate left end speed regulating bearing outer ring to connect with transmission swing arm rolling time.Can dynamic speed adjustment, also can static speed governing.Because speed regulating bearing can be positioned at the position of transmission swing arm rotary centerline, its pivot angle is zero, so minimum speed ratio can be zero.
Brief description of the drawings
Describe in more detail according to the arm-type impulse stepless gear box of a kind of Novel swing of the present invention below in conjunction with accompanying drawing.
Fig. 1 is according to the structural representation of a preferred embodiment of the arm-type impulse stepless gear box of Novel swing of the present invention.
Fig. 2 divides assembly structure side view according to the drive part of the preferred embodiment of the arm-type impulse stepless gear box of Novel swing of the present invention and speed ratio adjusting portion shown in Fig. 1.
Fig. 3 divides assembly structure side view according to the output of the preferred embodiment of the arm-type impulse stepless gear box of Novel swing of the present invention and speed ratio adjusting portion shown in Fig. 1.
In figure, be labeled as: eccentric shaft bearing 1, eccentric wheel 2, input shaft 3, speed governing coupling shaft 4, left speed regulating bearing 5, right speed regulating bearing 6, transmission swing arm 7, transmission swing arm bearing 8, transmission swing arm spring 9, driving mechanism casing 10, speed governing contiguous block 11, rigid bearing 12, speed-regulating handle 13, little axle 14, output swing arm 15, free wheel device 16, take-off (propeller) shaft 17, output swing arm spring 18, output drive gear 19, cover plate 20, baffle plate 21, output shaft 22, output gear 23, output mechanism casing 24.
Embodiment
For a better understanding of the present invention; below in conjunction with accompanying drawing, one preferred embodiment of the arm-type impulse stepless gear box of Novel swing of the present invention is described in detail; following description is only exemplary and indicative, should not have any restriction to protection scope of the present invention.
The embodiment according to the arm-type impulse stepless gear box of Novel swing of the present invention as shown in Figure 1 to Figure 3 comprises that drive part, output and speed ratio regulate part.Described drive part comprises input shaft 3, eccentric wheel 2, eccentric shaft bearing 1, transmission swing arm 7, swing arm bearing 8, transmission swing arm spring 9, driving mechanism casing 10; Output comprises output swing arm 15, free wheel device 16, output swing arm spring 18, take-off (propeller) shaft 17, output drive gear 19, output shaft 22, output gear 23, cover plate 20, baffle plate 21, output mechanism casing 24.Speed adjusting portion is divided and is comprised speed-regulating handle 13, little axle 14, rigid bearing 12, speed governing contiguous block 11, speed governing coupling shaft 4, left speed regulating bearing 5, right speed regulating bearing 6.
As shown in drawings, one end of input shaft 3 is installed with an eccentric wheel 2, is fixed with a rolling bearing 1 on eccentric wheel 2, and the outer ring of rolling bearing 1 connects with a side roll of transmission swing arm 7.Transmission swing arm 7 is divided into top link and lower swing arm, the lower swing arm of transmission swing arm 7 remains with the outer ring of eccentric wheel rolling bearing 1 and rolls and contact under the spring-force driven dual of transmission swing arm spring 9, on the rotating swing arm bearing 8 being arranged in transmission case body 10 of transmission swing arm 7, a side of the top link of transmission swing arm is rolled and is contacted with the outer ring of the left speed regulating bearing 5 of speed regulating mechanism.Left speed regulating bearing 5 is fixedly mounted on speed governing coupling shaft 4 with right speed regulating bearing 6, and remain at same axial direction, speed governing coupling shaft 4 is fixedly mounted on again on the axis hole of speed governing connecting plate 11 one end, the other end of speed governing connecting plate 11 is arranged on rotating little axle 14, and little axle 14 is positioned on speed-regulating handle by rigid bearing 12.Left speed regulating bearing 5, right speed regulating bearing 6, speed governing coupling shaft 4, speed governing connecting plate 11 and little axle 14 are done as a whole can rotation around the axis of little axle 14.In the time that doing cycloid motion, transmission swing arm 7 will drive speed regulating bearing 5, speed regulating bearing 6, speed governing connecting plate 11 to swing back and forth around the axis of little axle together with little axle 14.The outer ring of right speed regulating bearing 6 contacts with a side of output swing arm 15.The cycloid motion of right speed regulating bearing 6 drives output swing arm 15 to do cycloid motion, and output swing arm 15 remains with the outer ring of right speed regulating bearing 6 and rolls and contact under the effect of the spring force of output swing arm spring 18.Direction of rotation when transmission swing arm 7 is done cycloid motion with output swing arm 15, and it is contrary with the orientation that left speed regulating bearing 5 and right speed regulating bearing 6 contact respectively, can clamp left speed regulating bearing 5 and right speed regulating bearing 6, the invariant position that it is contacted with swing arm separately in the time not rotating speed-regulating handle 13.In the time rotating speed-regulating handle 13, also rotate the position that has changed little axle 14 simultaneously, thereby and drive speed governing contiguous block 11, speed governing coupling shaft 4, left speed regulating bearing 5 and right speed regulating bearing 6 around the axis of its little axle 14 rotate change left speed regulating bearing 5 outer rings and transmission swing arm 7 top links roll contact position while connecting and right speed regulating bearing 6 outer rings with export the contact position of swing arm 15 rollings while connecting.When left end speed regulating bearing 5 is during away from the center of rotation of transmission swing arm 7, transmission swing arm 7 passes to left speed regulating bearing 5 pivot angle while doing cycloid motion is larger, in the time that left end speed regulating bearing 5 more approaches the center of rotation of transmission swing arm 7, transmission swing arm 7 passes to left speed regulating bearing 5 pivot angle while doing cycloid motion is less, when the center of left speed regulating bearing 5 and the rotary centerline of transmission swing arm 7 are during in same straight line, left speed regulating bearing 5 will not swing.Left speed regulating bearing 5 is fixedly connected with by speed governing coupling shaft 4 with right speed regulating bearing 6, make it have same pendulum angle and swing speed, like this, when right speed regulating bearing 6 does cycloid motion, can drive output swing arm 15 to swing, make it have identical pendulum angle and swing speed.One end of output swing arm 15 is fixedly connected on the outer shroud of free wheel device 16, and the star-wheel of free wheel device 16 is connected with take-off (propeller) shaft 17 by key, and output swing arm 15 can be done cycloid motion around the axis of take-off (propeller) shaft 17.Free wheel device 17 passes to swinging back and forth of swing arm 15 of output by speed regulating mechanism right-hand member speed regulating bearing 6 and is converted into the unidirectional rotary motion at intermittence of take-off (propeller) shaft 17, output transmission cylindrical gears 19 is followed take-off (propeller) shaft 17 and is rotated, because output drive gear 19 engages with output gear 23, output transmission cylindrical gears 19 makes output gear 23 with its rotation while rotation, output gear 23 is connected with output shaft 22 by key, so output shaft 22 also can rotate.
The arm-type impulse stepless gear box of Novel swing of the present invention, not only simple in structure, compact, and variator ratio range is large, speed change is flexible, not only can be in the time shutting down speed change, also can be in the time of machine run speed change, its speed regulating mechanism is simple and practical, takes up room little.According to the arm-type impulse stepless gear box of Novel swing of the present invention, rotating ratio is relevant with the pivot angle size of output swing arm 15, and pivot angle is larger, and speed ratio is larger, otherwise speed ratio is less.The size of the pivot angle of the output swing arm 15 in the arm-type impulse stepless gear box of a kind of Novel swing of the present invention is relevant with the relative position of the rotary centerline of speed regulating bearing 5 and transmission swing arm 7, when speed regulating bearing 5 nearer with respect to the center of rotation distance of transmission swing arm 7, speed ratio is less, far away with respect to transmission swing arm center of rotation distance when speed regulating bearing 5, speed ratio is larger.Therefore speed ratio adjusting of the present invention is by regulating speed regulating bearing 5 to realize with respect to the position of the center of rotation of transmission swing arm 7.

Claims (4)

1. the arm-type impulse stepless gear box of Novel swing, comprises that drive part, output and speed ratio regulate part; Described drive part comprises input shaft, eccentric wheel, eccentric shaft bearing, transmission swing arm, swing arm bearing, transmission swing arm spring, driving mechanism casing, and described speed adjusting portion is divided and comprised speed-regulating handle, little axle, rigid bearing, speed governing contiguous block, speed governing coupling shaft, speed regulating bearing; Described output comprises output swing arm, free wheel device, output swing arm spring, take-off (propeller) shaft, output drive gear, output shaft, output gear, output mechanism casing, cover plate, baffle plate; It is characterized in that: described drive part regulates part to be rolled and contact with left speed regulating bearing outer ring by output swing arm with speed ratio, described output regulates part to be rolled and contact with right speed regulating bearing outer ring by output swing arm with speed ratio; Described left speed regulating bearing and right speed regulating bearing are fixed on same speed governing coupling shaft, and described little axle is arranged on rigid bearing, and described rigid bearing is fixedly mounted on speed-regulating handle; Described speed regulating bearing, speed governing contiguous block, speed governing coupling shaft can swing by the little axle in rigid bearing as a set of speed-regulating part; One eccentric wheel is installed on described input shaft, and described eccentric wheel outside is fixed with an eccentric wheel rolling bearing, and one end of described output swing arm is fixedly connected with described free wheel device, and described free wheel device is arranged on take-off (propeller) shaft; Described take-off (propeller) shaft is provided with output drive gear, and described output drive gear engages with output gear, and described output gear is arranged on output shaft.
2. the arm-type impulse stepless gear box of a kind of Novel swing according to claim 1, it is characterized in that: the transmission swing arm of described drive part is divided into top link and lower swing arm, top link regulates the left speed regulating bearing outer ring of part to roll with speed ratio and contacts, and lower swing arm remains to roll with the eccentric wheel housing washer of described drive part and contacts under the effect of transmission swing arm spring force; The output swing arm of described output regulates the outer ring of the right speed regulating bearing of part to keep rolling with speed ratio all the time and contacts under the active force of output swing arm spring force.
3. according to the arm-type impulse stepless gear box of a kind of Novel swing described in claim 1 and 2, it is characterized in that: described transmission swing arm can rotate around it center and do cycloid motion, described output swing arm is fixedly connected on free wheel device outer shroud, and can do cycloid motion around take-off (propeller) shaft.
4. the arm-type impulse stepless gear box of a kind of Novel swing according to claim 1 is characterized in that described speed ratio regulates left and right speed regulating bearing, speed governing coupling shaft and the speed governing contiguous block of part to swing around the little axle of speed governing part by rotating speed-regulating handle simultaneously, connects contact position with transmission swing arm and right speed regulating bearing outer ring with the rolling of output swing arm thereby change left speed regulating bearing outer ring.
CN201410353343.6A 2014-07-24 A kind of swing arm impulse stepless gear box Expired - Fee Related CN104154199B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410353343.6A CN104154199B (en) 2014-07-24 A kind of swing arm impulse stepless gear box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410353343.6A CN104154199B (en) 2014-07-24 A kind of swing arm impulse stepless gear box

Publications (2)

Publication Number Publication Date
CN104154199A true CN104154199A (en) 2014-11-19
CN104154199B CN104154199B (en) 2017-01-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110165828A (en) * 2019-06-19 2019-08-23 马闪 A kind of servo motor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB204037A (en) * 1922-09-18 1924-04-24 Pierre Gerard Joseph Rouyer Improvements in or relating to change-speed mechanism
GB397242A (en) * 1933-02-21 1933-08-24 Wilfrid Guy Kimber Variable speed gearing
CN2041379U (en) * 1988-05-23 1989-07-19 方映江 Multi-phase short swinging arm type mechanical stepless speed variator
CN2046948U (en) * 1989-02-14 1989-11-01 锦州工学院 Oscillating-block pulsating-mechanical stepless speed-changing device
CN1786521A (en) * 2005-12-28 2006-06-14 北京联合大学 Coaxial type cam stepless pulsing speed changing device
CN102537264A (en) * 2012-01-19 2012-07-04 北京联合大学 Speed ratio adjusting mechanism of stepless transmission

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB204037A (en) * 1922-09-18 1924-04-24 Pierre Gerard Joseph Rouyer Improvements in or relating to change-speed mechanism
GB397242A (en) * 1933-02-21 1933-08-24 Wilfrid Guy Kimber Variable speed gearing
CN2041379U (en) * 1988-05-23 1989-07-19 方映江 Multi-phase short swinging arm type mechanical stepless speed variator
CN2046948U (en) * 1989-02-14 1989-11-01 锦州工学院 Oscillating-block pulsating-mechanical stepless speed-changing device
CN1786521A (en) * 2005-12-28 2006-06-14 北京联合大学 Coaxial type cam stepless pulsing speed changing device
CN102537264A (en) * 2012-01-19 2012-07-04 北京联合大学 Speed ratio adjusting mechanism of stepless transmission

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110165828A (en) * 2019-06-19 2019-08-23 马闪 A kind of servo motor

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Termination date: 20200724