CN101498360B - Mechanical drive mode capable of realizing long distance and constant speed ratio transmission function - Google Patents
Mechanical drive mode capable of realizing long distance and constant speed ratio transmission function Download PDFInfo
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- CN101498360B CN101498360B CN2009100643255A CN200910064325A CN101498360B CN 101498360 B CN101498360 B CN 101498360B CN 2009100643255 A CN2009100643255 A CN 2009100643255A CN 200910064325 A CN200910064325 A CN 200910064325A CN 101498360 B CN101498360 B CN 101498360B
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- gear
- power
- transmission
- raceway
- rolling body
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Abstract
A mechanical transmission mode capable of realizing remote and constant speed radio transmission function transmits movement and power through the engagement of rollers assembled in a housing rollaway nest and the gear teeth of a gear and the movement of the rollers in the rollaway nest, wherein the rollaway nest surrounds a driving gear and a driven gear on a parallel shaft, the rollers are tightly arranged in the rollaway nest of a closed housing and engaged with the driving and driven gears, and the driven gear is pushed by a middle roller to transmit movement and power. The transmission mode not only takes the advantages of transmission modes, such as belt transmission, chain transmission and gear transmission, and the like, but also overcomes the shortcomings thereof, has the advantages of simple structure, low cost, long service life, and the like, not only can transmit movement and power of long distance, constant speed radio, high power and high efficiency, but also can achieve curved transmission, and is suitable for various mechanical devices and instruments of big biaxial central distance, complex transmission path and precise transmission.
Description
Technical field
The present invention relates to a kind ofly can realize remote, constant speed ratio transmission function and mechanical drive mode, be applicable to that diaxon centre distance is bigger, drive path complexity, accurate various machinery of transmission and instrument with curve drive path.
Background technique
Band transmission, chain-driven, gear transmission are motion and the power transmission modes that we use always, have different application characteristics separately.The band transmission is applicable to the transmission that centre distance is bigger, has better elastic, can relax impact, absorbing vibration, can occur skidding between band and belt wheel during overload, can realize overload protection.But band transmission shortcoming also clearly, and the overall sizes of transmission is bigger, needs belt tensioner, can not guarantee changeless velocity ratio, and the life-span of band is shorter, and transmission efficiency is lower.Chain-driven is not slided (engagement driving), can keep average ratios accurately, and transmission size is compact, does not need very big tension force, and the load that acts on the axle is less.Efficient is higher, and manufacturing and installation precision are low, can be used for the transmission between big centre distance.Shortcoming is that instantaneous speed ratio is inhomogeneous, and transmission stability is poor, and certain impact and noise are arranged during work.The gear-driven efficiency height, compact structure, velocity ratio is stable, and the reliable operation life-span is long.But it is made and the installation precision height, and price is more expensive, is not easy for the bigger occasion of transmission distance.Comprehensive above three kinds of main mechanical drive modes rely on prior art still can not finely to solve to the mechanical transmission problem of remote, constant speed ratio, high-power, high efficiency, drive path complexity (curved path).
Summary of the invention
The objective of the invention is: provide a kind of and can realize remote, constant speed ratio transmission function and mechanical drive mode with curve drive path, this kind of drive can overcome the deficiency of the kinds of drive such as band transmission, chain-driven, gear transmission, have its advantage concurrently, can realize remote, constant speed ratio, high-power, high efficiency transmitting movement and power.
Solving the technological scheme that problem of the present invention takes is: come transmitting movement and power by being assemblied in the rolling body in the housing raceway and the engagement and the motion of rolling body in raceway of gear tooth; Rolling body is made up of motion roller, motive power wheel and minor axis, driving gear and the driven gear of raceway rings on parallel axes, rolling body solid matter in the raceway of enclosing housing, and with the engagement of driving gear and driven gear; Driving gear promotes driven gear transmitting movement and power by the mediate roller body.
Housing is a split type structure, is made up of two parts symmetrical, is fixed by pad and bolt seal.
Raceway has two kinds of designs, the one, straight line type, the 2nd, curved; The raceway cross-section is " ten " font.
Motion roller on the rolling body is made of needle bearing, and motive power wheel also is made of needle bearing; The intermediate portion of minor axis assembles one group of thin-walled needle bearing, is used for and gear engagement; Two power rollers are assemblied in thin-walled needle bearing two ends, and two motion rollers are assemblied in the two ends of two power roller outsides, minor axis, and power roller external diameter is greater than motion roller external diameter; When the engaging-in and recess-action gear gear teeth of rolling body, the thin-walled needle bearing rolls along gear tooth; When rolling body moved in the curve raceway, the motive power wheel needle bearing of the adjacent rollers body of transferring power formed rolling pair, rolled mutually; The motion outer ring and roll assembly rolls along raceway.
When this kind of drive is applied on low speed, the underload equipment, lubricates and to adopt the drier oil intermittent oilling, by the lubricating cup filling lubricant oil that on housing, is provided with; Be applied in high-speed equipment and can adopt and on housing, install lubricating pump, realize the continuous pressure thin oil lubricant.
Good effect of the present invention is: in the advantage and strong point of drawing the kinds of drive such as band transmission, chain-driven, gear transmission, overcome its deficiency, providing a kind of has the curve drive path and can realize the needle roller roller kind of drive remote, constant speed ratio transmission function, adopt this mode transmitting movement and power, driving mechanism had both had simple in structure, and was with low cost, the characteristics that the life-span is long, can greatly enrich the type of product transmission design again, practical.
Description of drawings
Accompanying drawing 1 is the structure principle chart of roller transmission; Accompanying drawing 2 is rolling body relative position figure in raceway; Accompanying drawing 3 is rolling body structural drawing.
Embodiment
Drive path of the present invention has two kinds, be straight line type and curvilinerar figure, straight line type raceway rolling body 5 endless chains are the shortest, rolling body 5 force-bearing situation in raceway 6 is best, fluency is good, but rolling body 5 on driving gear 1 and driven gear 7 to enclose cornerite little, raceway 6 path design are unique, do not have selectivity; Curved raceway rolling body 5 endless chains are elongated, rolling body 5 in raceway 6 stressed not as straight line type good, but compact structure, select suitable line style, can increase rolling body 5 and on driving gear 1 and driven gear 7, enclose cornerite, raceway 6 paths can be selected according to the Machine Design actual demand, have very strong flexibility.
The specific implementation process of the kind of drive of the present invention is that example is narrated with the straight line drive path, accompanying drawing 1 is a straight line drive path schematic representation, and it is to come transmitting movement and power by engagement and the motion of rolling body 5 in raceway 6 that is assemblied in rolling body 4 and gear 1,7 gear teeth in the raceway on the housing 26; Rolling body 5 solid matters in the raceway 6 of enclosing housing 2, and with 7 engagements of driving gear 1 and driven gear, raceway 6 is looped around on the driving gear 1 and driven gear 7 on the parallel axes; Driving gear 1 promotes driven gear 7 transmitting movements and power by mediate roller body 5.Raceway 6 working surfaces must should have high hardness and contact fatigue strength through grinding and polishing, good wear resistance and impact toughness.Housing 2 is a split type structure, is made up of two parts symmetrical, by pad and bolt 3 sealing and fixing.
Raceway 6 cross sections are " ten " font, and " ten " font raceway easily obtains higher processing precision, can guarantee the kinematic accuracy of rolling body 5, also are convenient to lubricating grease or lubricant oil and store.
Rolling body 5 is made up of motion roller 11, motive power wheel 8 and minor axis 10, and the motion roller 11 on the rolling body 5 is a kind of needle bearings, and motive power wheel 8 also is a kind of needle bearing; The intermediate portion of minor axis 10 assembles one group of thin-walled needle bearing 9, is used for and gear 1,7 engagements; Two power roller 8 endoporus and minor axis 10 interference fit are assemblied in thin-walled needle bearing 9 both sides; Two motion rollers 11 are assemblied in the two ends of two power roller 8 outsides, minor axis 10, and power roller 8 external diameters are greater than motion roller 11 external diameters; Rolling body 5 is closely packed in the raceway 6, and each power roller 8 is in contact with one another and interacts, transferring power, and 11 on each motion roller rolls in raceway 6, to reduce friction.
When rolling body 5 moved in the curve raceway, the adjacent rollers body 5 of transferring power formed rolling pair, rolls mutually, has reduced friction and wearing and tearing.During engaging-in and recess-action gear 1,7 gear teeth, thin-walled needle bearing 9 rolls along gear 1,7 gear teeth, has reduced the wearing and tearing of rolling body 5 with the gear teeth 1,7 when rolling body 5.
Lubricating of rolling body transmission by being arranged on lubrication ring 4 fuel feeding on the housing 2.
Claims (3)
1. can realize mechanical transmission structure remote, constant speed ratio transmission function for one kind, it is characterized in that: this drive mechanism is to come transmitting movement and power by being assemblied in the interior rolling body (5) of the last raceway (6) of housing (2) and the engagement and the motion of rolling body (5) in raceway (6) of gear (1, the 7) gear teeth; Rolling body (5) is made up of motion roller (11), motive power wheel (8) and minor axis (10), raceway (6) is around the driving gear (1) and the driven gear (7) that lay respectively on the parallel axle, rolling body (5) solid matter in the raceway (6) of enclosing housing (2), and with the engagement of driving gear (1) and driven gear (7); Driving gear (1) promotes driven gear (7) transmitting movement and power by mediate roller body (5).
2. energy according to claim 1 is realized mechanical transmission structure remote, constant speed ratio transmission function, and it is characterized in that: raceway (6) is straight line type or curved.
3. energy according to claim 1 is realized mechanical transmission structure remote, constant speed ratio transmission function, and it is characterized in that: the motion roller (11) on the rolling body (5) is made of needle bearing, and power roller (8) also is made of needle bearing; The intermediate portion of minor axis (10) assembles one group of thin-walled needle bearing (9), is used for and gear (1,7) engagement; Two power rollers (8) are assemblied in thin-walled needle bearing (9) two ends, and two motion rollers (11) are assemblied in the two ends of two power rollers (8) outside, minor axis (10), and power roller (8) external diameter is greater than motion roller (11) external diameter; During engaging-in and recess-action gear (1, the 7) gear teeth, thin-walled needle bearing (9) rolls along gear (1, the 7) gear teeth when rolling body (5); When rolling body (5) moved in the curve raceway, power roller (8) needle bearing on the adjacent rollers body (5) of transferring power formed rolling pair, rolled mutually; Motion roller (11) needle bearing rolls along raceway (6); Raceway (6) fuel feeding of lubrication ring (4) in housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100643255A CN101498360B (en) | 2009-02-25 | 2009-02-25 | Mechanical drive mode capable of realizing long distance and constant speed ratio transmission function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100643255A CN101498360B (en) | 2009-02-25 | 2009-02-25 | Mechanical drive mode capable of realizing long distance and constant speed ratio transmission function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101498360A CN101498360A (en) | 2009-08-05 |
| CN101498360B true CN101498360B (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100643255A Expired - Fee Related CN101498360B (en) | 2009-02-25 | 2009-02-25 | Mechanical drive mode capable of realizing long distance and constant speed ratio transmission function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101498360B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023440A (en) * | 1974-08-02 | 1977-05-17 | Precision Mechanical Developments Ltd. | Motion transmitting devices |
| CN2186228Y (en) * | 1993-12-25 | 1994-12-28 | 获鹿县建材机械厂 | Chain conveyer |
| CN2480260Y (en) * | 2001-06-12 | 2002-03-06 | 刘治 | Heavy sleeve roller chain |
| EP1464868A2 (en) * | 2003-03-31 | 2004-10-06 | Tsubakimoto Chain Co. | Roller chain transmission device |
-
2009
- 2009-02-25 CN CN2009100643255A patent/CN101498360B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023440A (en) * | 1974-08-02 | 1977-05-17 | Precision Mechanical Developments Ltd. | Motion transmitting devices |
| CN2186228Y (en) * | 1993-12-25 | 1994-12-28 | 获鹿县建材机械厂 | Chain conveyer |
| CN2480260Y (en) * | 2001-06-12 | 2002-03-06 | 刘治 | Heavy sleeve roller chain |
| EP1464868A2 (en) * | 2003-03-31 | 2004-10-06 | Tsubakimoto Chain Co. | Roller chain transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101498360A (en) | 2009-08-05 |
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| 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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20120225 |