CN104373538A - Composite cycloid generating device - Google Patents

Composite cycloid generating device Download PDF

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Publication number
CN104373538A
CN104373538A CN201410547393.8A CN201410547393A CN104373538A CN 104373538 A CN104373538 A CN 104373538A CN 201410547393 A CN201410547393 A CN 201410547393A CN 104373538 A CN104373538 A CN 104373538A
Authority
CN
China
Prior art keywords
arc
composite
rolling pin
rotating disk
rotation disk
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
Application number
CN201410547393.8A
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Chinese (zh)
Inventor
董明望
吴林
杨婷婷
罗嗣铭
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Wuhan University of Technology WUT
Original Assignee
Wuhan University of Technology WUT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan University of Technology WUT filed Critical Wuhan University of Technology WUT
Priority to CN201410547393.8A priority Critical patent/CN104373538A/en
Publication of CN104373538A publication Critical patent/CN104373538A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H19/00Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack

Abstract

A composite cycloid generating device comprises a composite rotating disk, cylindrical roll pins, rolling bearings and arc-shaped racks. The composite rotating disk is connected with the cylindrical roll pins through the rolling bearings, and the cylindrical rolling pins are meshed with the arc-shaped racks. A center hole is formed in the central axis of the composite rotating disk, a key groove which is used for being matched with a motor for driving is formed in the hole, meanwhile, a plurality of outer ring holes which are connected with the cylindrical roll pins are evenly distributed in the outer circle of the composite rotating disk, and a plurality of arc-shaped teeth are arranged on the arc-shaped racks. The composite rotating disk is composed of two single disks which are connected by the cylindrical roll pins, the composite rotating disk is connected with the cylindrical rolling pins through the bearings, the arc-shaped racks are placed between the two single disks which constitute the composite rotating disk, the cylindrical roll pins are evenly distributed on the composite rotating disk in the circumferential direction, the cylindrical roll pins are connected with the composite rotating disk through the bearings, and the curved faces of the cylindrical roll pins are meshed with the outline faces of the arc-shaped racks. The composite cycloid generating device has the advantages of being continuous in working, quick in transmission, easy to operate and good in synchronicity, and meanwhile lowers the demand for the manufacturing and mounting precision.

Description

A kind of compound cycloid generating means
Technical field
The present invention relates to cycloid transmission device, particularly relate to a kind of compound cycloid generating means.
Background technique
Cycloid (cycloid) is one of charming curve numerous in mathematics. it is definition like this: a circle rolls along a straight line lentamente, then justify a upper immovable point the track of process be called cycloid, in cycloid pinwheel planetary gear transmission system, there is the curtate epicycloid that circle produces in Cycloid tooth profile application of curve internal messing.The generating principle of this cycloidal curve is as shown in entry figure.Having one to justify (round as a ball) radius is rp', Base radius is rc', basic circle is inscribed within to be justified, when generation circle makes pure rolling around basic circle, when its center of circle Op is in Op1, Op2, Op3, Op4, Op5, Op6...... each position respectively, be cemented in thus and some M on disk occur respectively through M1, M2, M3, M4, M5, M6...... each position, the circumference phase occurs thus rolls, and the geometric locus that circle upper some M formed occurs and is curtate epicycloid.If the geometrical relationship generated by above cycloid still keeps above inscribe rolling relation, basic circle and cycloid are considered as rigid body relative to generation circular motion, then define cycloid figure and the motion that round heart Op makes planetary mode occurs relatively, the basic principle of Here it is planet cycloid driving mechanism.
Current transmission device as the mechanical transmission component concerning industrial lifeblood, improving constantly of its technical merit, most important to the development of mechanical industry.Current China transmission device investigative technique level is far away from American-European countries, but in recent years, a lot of scholar of China and relevant enterprise actively draw external advanced theoretical and achievement in research, and it can be used as the foundation of Instructing manufacture, and also oneself achieves very gratifying achievement.Existing conventional transmission device is mostly gear drive, planetary type gear transmission unit, worm gearing etc., smaller for gear drive transmission, adopting during Multi-stage transmission causes efficiency to decline further, simultaneously under case of heavy load, flank of tooth impact force is larger, shakes and wear and tear corresponding larger in engagement process; Worm gear can meet the demands on velocity ratio, simultaneously stable drive, but its volume is larger, it is sliding friction between turbine and worm screw, under high-speed overload, wearing and tearing and frictional heating are comparatively serious, cause wearing and tearing large, also seriously reduce transmission efficiency simultaneously.
Summary of the invention
The object of the invention is for overcoming the deficiency that in existing tooth driving device, the kind of drive exists, a kind of compound cycloid generating means is provided, it has the feature of cyclo drive, also there is in transmission process the advantage that biography work is continuous, transmission is rapid, simple to operate, synchronism is good, reduce the requirement to manufacture, installation precision simultaneously.
For achieving the above object, the technical solution adopted in the present invention is:
Propose the definition of compound cycloid theory according to existing cycloid theoretical foundation, namely compound cycloid comprises Planar Compound cycloid and space compound cycloid.Law is swung for benchmark with single pendulum, A moves the round heart and moves at a single pendulum internal speed-changing, move with uniform velocity with mean velocity in period of single pendulum within the whole cycle of motion, the dynamic circle of B series is distributed in the dynamic circle of A, and the compound curve that in the dynamic circle of B series, three adjacent dynamic circles swing within single pendulum one cycle is compound cycloid.The rotation in the dynamic circle of A of the dynamic circle of B series can be approximately abnormal hypocycloid, and connecting curve is the evolute of abnormal cycloid on compound cycloidal path.Being Planar Compound cycloid when evolute is at planar development, is space compound cycloid when evolute is at space development.
Comprise composite rotation disk, cylinder rolling pin, rolling bearing, arc-shaped rack; Composite rotation disk is connected with cylinder rolling pin by rolling bearing, and cylinder rolling pin engages with arc-shaped rack; Composite rotation disc centre axis place is provided with center hole, is provided with the keyway for coordinating transmission with motor in hole, is evenly equipped with some cycle holes be connected with cylinder rolling pin in outer ring simultaneously; Arc-shaped rack is provided with some arc-shaped gears.
By such scheme, described composite rotation disk is connected to form by cylinder rolling pin by two single-decks, composite rotation disk is connected with cylinder rolling pin by bearing, arc-shaped rack is between two single-decks of composition composite rotation disk, composite rotation disk circumference direction is uniformly distributed some cylinder rolling pin, cylinder rolling pin is connected with composite rotation disk by bearing, and cylinder rolling pin curved surface engages with the contoured surface of arc-shaped rack.
By such scheme, described arc-shaped rack is divided into arc-shaped rack and arc lower tooth bar, and cylinder rolling pin curved surface engages with the contoured surface of upper arc-shaped rack and arc lower tooth bar respectively.
The present invention, owing to have employed technique scheme, has the advantage that work is continuous, transmission is rapid, simple to operate, synchronism is good, reduces the requirement to manufacture, installation precision simultaneously.
Accompanying drawing explanation
Fig. 1 is compound cycloid schematic diagram of the present invention.
Fig. 2 is the overall appearance structure front view of the embodiment of the present invention one.
Fig. 3 is the overall appearance structure side view of the embodiment of the present invention one.
Fig. 4 is the overall appearance structure plan view of the embodiment of the present invention one.
Fig. 5 is the overall appearance axis of no-feathering mapping of the embodiment of the present invention one.
Fig. 6 is the overall appearance structure front view of the embodiment of the present invention two.
Fig. 7 is the overall appearance structure side view of the embodiment of the present invention two.
Fig. 8 is the overall appearance structure plan view of the embodiment of the present invention two.
Fig. 9 is the overall appearance axis of no-feathering mapping of the embodiment of the present invention two.
In figure: 1. arc-shaped rack, 2. composite rotation disk, 3. center hole, 4. keyway, 5. arc-shaped gear, 6. cylinder rolling pin, 7. cycle hole, 8. inner ring hole, 9. arc lower tooth bar, arc-shaped rack on 10
Embodiment
Embodiment one
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, comprise arc-shaped rack 1, composite rotation disk 2, center hole 3, keyway 4, arc-shaped gear 5, cylinder rolling pin 6, cycle hole 7, inner ring hole 8.Rotary disk 2 is connected with cylinder rolling pin 6 by rolling bearing, and cylinder rolling pin 6 engages with arc-shaped rack 1.
Composite rotation disk 2 is provided with center hole 3, is provided with the keyway 4 for coordinating transmission with motor in hole, has inner ring hole 8 on composite rotation disk simultaneously, can be used to alleviate rotary disk quality and save material, is evenly equipped with some cycle holes 7 in outer ring simultaneously.
Arc-shaped rack 1 is provided with some arc-shaped gears 5 with it.
Composite rotation disk 2 axle center place is designed with the keyway 4 be connected with motor, arc-shaped rack 1 is between two single-decks of composition rotary disk 2, composite rotation disk 2 circumferencial direction is uniformly distributed some cylinder rolling pin 6, cylinder rolling pin 6 is connected with composite rotation disk 2 by bearing, and cylinder rolling pin curved surface engages with the contoured surface of arc-shaped rack 1.Bearing can the displacement of fixed cylinder rolling pin axial direction, but the circumference not affecting cylinder rolling pin 6 is rotated; On the contoured surface of thus cylinder rolling pin 6 arc-shaped gear 5 on arc-shaped rack 1, diriven motion is for rolling, and friction is therebetween rolling friction, can greatly reduce friction, and increases transmission efficiency.
The present invention operationally, first motor is by coordinating transmission to be imported into by power with the keyway 4 at composite rotation disk 2 axle center place, composite rotation disk 2 is driven to rotate, the cylinder rolling pin 6 be connected on composite rotation disk 2 by bearing also will around composite rotation disk 2 center axis thereof, on arc-shaped rack 1, the contoured surface of arc-shaped gear 5 contacts with cylinder rolling pin 6 curved surface on composite rotation disk 2, cylinder rolling pin 6 is forced to roll on the profile of arc-shaped rack 1, both produce relative movement, namely complete power and Movement transmit.
Embodiment two
As shown in Fig. 6, Fig. 7, Fig. 8, Fig. 9, comprise arc-shaped rack 10, composite rotation disk 2, center hole 3, keyway 4, arc-shaped gear 5, cylinder rolling pin 6, cycle hole 7, inner ring hole 8, arc lower tooth bar 9.Composite rotation disk 2 is connected with cylinder rolling pin 6 by rolling bearing, and cylinder rolling pin 6 engages with arc lower tooth bar 9 with upper arc-shaped rack 10 respectively.
Composite rotation disk 2 is provided with center hole 3, is provided with the keyway 4 for coordinating transmission with motor in hole, has inner ring hole 8 on composite rotation disk simultaneously, can be used to alleviate rotary disk quality and save material, is evenly equipped with some cycle holes 7 in outer ring simultaneously.
Upper arc-shaped rack 10 and arc lower tooth bar 9 are equipped with some arc-shaped gears 5.
Composite rotation disk 2 axle center place is designed with the keyway 4 be connected with motor, upper arc-shaped rack 10 and arc lower tooth bar 9 are all between two single-decks forming rotary disk 2, composite rotation disk 2 circumferencial direction is uniformly distributed some cylinder rolling pin 6, cylinder rolling pin 6 is connected with composite rotation disk 2 by bearing, and cylinder rolling pin curved surface engages with the contoured surface of upper arc-shaped rack 10 and arc lower tooth bar.Bearing can the displacement of fixed cylinder rolling pin axial direction, but the circumference not affecting cylinder rolling pin 6 is rotated; Thus diriven motion is for roll on upper arc-shaped rack 10 with the contoured surface of the arc-shaped gear 5 on arc lower tooth bar for cylinder rolling pin 6, and friction is therebetween rolling friction, can greatly reduce friction, and increases transmission efficiency.
The present invention operationally, first motor is by coordinating transmission to be imported into by power with the keyway 4 at composite rotation disk 2 axle center place, composite rotation disk 2 is driven to rotate, the cylinder rolling pin 6 be connected on composite rotation disk 2 by bearing also will around composite rotation disk 2 center axis thereof, upper arc-shaped rack 10 contacts with cylinder rolling pin 6 curved surface on composite rotation disk 2 with the contoured surface of arc-shaped gear 5 on arc lower tooth bar 9, cylinder rolling pin 6 is forced to roll on upper arc-shaped rack 10 with the profile of arc lower tooth bar 9, both produce relative movement, namely power and the incorgruous transmission transmission of motion bilateral is completed.

Claims (3)

1. a compound cycloid generating means, is characterized in that: comprise arc-shaped rack (1), composite rotation disk (2), cylinder rolling pin (6); Composite rotation disk (2) is connected with cylinder rolling pin (6) by rolling bearing, and cylinder rolling pin (6) engages with arc-shaped rack (1); Composite rotation disk (2) is provided with center hole (3), the keyway (4) for coordinating transmission with motor is provided with in hole, composite rotation disk has inner ring hole (8), is evenly equipped with some cycle holes (7) in outer ring simultaneously; Arc-shaped rack (1) is provided with some arc-shaped gears (5).
2. a kind of compound cycloid generating means according to claim 1, it is characterized in that: composite rotation disk (2) is connected to form by cylinder rolling pin (6) by two single-decks, composite rotation disk (2) axle center place is provided with the keyway (4) be connected with motor, arc-shaped rack (1) is between two single-decks of composition rotary disk (2), composite rotation disk (2) circumferencial direction is uniformly distributed some cylinder rolling pin (6), cylinder rolling pin (6) is connected with composite rotation disk (2) by bearing, cylinder rolling pin curved surface engages with the contoured surface of arc-shaped rack (1).
3. a kind of compound cycloid generating means according to claim 1 and 2, it is characterized in that: described arc-shaped rack (1) is divided into arc-shaped rack (10) and arc lower tooth bar (9), cylinder rolling pin (6) curved surface engages with the contoured surface of upper arc-shaped rack (10) and arc lower tooth bar (9) respectively.
CN201410547393.8A 2014-10-16 2014-10-16 Composite cycloid generating device Pending CN104373538A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410547393.8A CN104373538A (en) 2014-10-16 2014-10-16 Composite cycloid generating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410547393.8A CN104373538A (en) 2014-10-16 2014-10-16 Composite cycloid generating device

Publications (1)

Publication Number Publication Date
CN104373538A true CN104373538A (en) 2015-02-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105252778A (en) * 2015-11-25 2016-01-20 武汉理工大学 Gantry type 3D printer
CN105269818A (en) * 2015-08-19 2016-01-27 武汉国贸联动科技有限责任公司 Gantry type 3D printing device based on high-precision arc rack

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05187502A (en) * 1992-01-16 1993-07-27 Teijin Seiki Co Ltd Linear-motion mechanism
EP0851150A1 (en) * 1996-12-25 1998-07-01 Kamoseiko Kabushiki Kaisha A transmission device for converting a torque between rotary movement and linear movement
CN201925426U (en) * 2010-08-05 2011-08-10 甘肃酒钢集团西部重工股份有限公司 Gear rack transmission device
CN102459955A (en) * 2009-06-10 2012-05-16 世进Igb株式会社 Power-transmitting apparatus
CN102549305A (en) * 2009-06-10 2012-07-04 世进Igb株式会社 Power-transmitting apparatus
CN102913600A (en) * 2011-08-04 2013-02-06 加茂精工株式会社 A pin roller type pinion device
CN103502693A (en) * 2011-04-18 2014-01-08 世进Igb株式会社 Power transmission device
CN203856996U (en) * 2014-05-07 2014-10-01 武汉理工大学 Double-deck turntable running pulley arc-shaped tooth type double-sideway movement mechanism
CN203868265U (en) * 2014-06-12 2014-10-08 成都工投电子设备有限公司 Gear-rack transmission device with zero back clearance

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05187502A (en) * 1992-01-16 1993-07-27 Teijin Seiki Co Ltd Linear-motion mechanism
EP0851150A1 (en) * 1996-12-25 1998-07-01 Kamoseiko Kabushiki Kaisha A transmission device for converting a torque between rotary movement and linear movement
CN102459955A (en) * 2009-06-10 2012-05-16 世进Igb株式会社 Power-transmitting apparatus
CN102549305A (en) * 2009-06-10 2012-07-04 世进Igb株式会社 Power-transmitting apparatus
CN201925426U (en) * 2010-08-05 2011-08-10 甘肃酒钢集团西部重工股份有限公司 Gear rack transmission device
CN103502693A (en) * 2011-04-18 2014-01-08 世进Igb株式会社 Power transmission device
CN102913600A (en) * 2011-08-04 2013-02-06 加茂精工株式会社 A pin roller type pinion device
CN203856996U (en) * 2014-05-07 2014-10-01 武汉理工大学 Double-deck turntable running pulley arc-shaped tooth type double-sideway movement mechanism
CN203868265U (en) * 2014-06-12 2014-10-08 成都工投电子设备有限公司 Gear-rack transmission device with zero back clearance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105269818A (en) * 2015-08-19 2016-01-27 武汉国贸联动科技有限责任公司 Gantry type 3D printing device based on high-precision arc rack
CN105252778A (en) * 2015-11-25 2016-01-20 武汉理工大学 Gantry type 3D printer

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Application publication date: 20150225