CN103671772B - Triangle belt drive device - Google Patents
Triangle belt drive device Download PDFInfo
- Publication number
- CN103671772B CN103671772B CN201310693005.2A CN201310693005A CN103671772B CN 103671772 B CN103671772 B CN 103671772B CN 201310693005 A CN201310693005 A CN 201310693005A CN 103671772 B CN103671772 B CN 103671772B
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- CN
- China
- Prior art keywords
- belt
- pressure roller
- belt wheel
- roller body
- drive device
- 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.)
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Classifications
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- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/02—Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
- F16H7/023—Gearings for conveying rotary motion by endless flexible members with belts; with V-belts with belts having a toothed contact surface or regularly spaced bosses or hollows for slipless or nearly slipless meshing with complementary profiled contact surface of a pulley
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a kind of triangle belt drive device, comprise two not at belt wheel and 4 pressure rollers of same plane, two belt wheels are connected by tilting v belt, one group of 2 pressure roller setting up and down and another group 2 pressure rollers are separately positioned near belt wheel position, and pressure roller outer circumferential face is resisted against on v belt both sides respectively; Pressure roller promotes the distance H=R+1/2B that v belt makes pressure roller center and center, belt wheel radial symmetric face.The v belt inclination angle be pushed between itself and belt wheel at turnover belt wheel place is 0 ° by the present invention, thus reduces the sliding friction loss of v belt and belt wheel race side; Meanwhile, owing to being rolling friction between pressure roller and v belt side, also reducing the frictional loss between pressure roller and v belt, substantially prolongs the working life of v belt.
Description
Technical field
The present invention relates to a kind of tape drive mechanism, especially a kind of not triangle belt drive device in one plane, belongs to technical field of mechanical transmission.
Background technique
V belt is one of part more easy to wear in belt drive, two belt wheels be connected by v belt are under normal circumstances in the same plane, but when two belt wheels are not or not a plane, v belt must be obliquely installed, and like this, there is inclination angle between v belt and belt wheel, this inclination angle generally should more than 5 °, otherwise between v belt and belt wheel, frictional force strengthens, and causes v belt heavy wear, thus greatly reduces the working life of v belt.For above-mentioned situation, general double pulley adjustment or the employing spline housing of adopting slides up and down to adjust v belt inclination angle at present, but these two kinds of mode complex structures, cost is high.
Summary of the invention
The object of this invention is to provide a kind of structure simple, v belt inclination angle can be reduced, make the nonabradable pulley gear of v belt.
The present invention is achieved by the following technical programs:
A kind of triangle belt drive device, comprise two belt wheels and 4 pressure rollers, described two belt wheels are not in same plane, two belt wheels are connected by tilting v belt, one group of 2 pressure roller setting up and down are arranged near a belt wheel position, and pressure roller outer circumferential face is resisted against on the side of the bottom and upper segment of v belt respectively; Another group 2 pressure rollers setting up and down are arranged near another belt wheel position, and pressure roller outer circumferential face is resisted against on the opposite side of the bottom and upper segment of v belt respectively; Pressure roller promotes v belt and makes the distance H at pressure roller center and center, belt wheel radial symmetric face equal 1/2 sum of Platen support radius surface R and v belt top width B, i.e. H=R+1/2B; Described pressure roller comprises pressure roller body and Platen support axle, and described Platen support axle one end is fixed in frame, pressure roller body by bearings on the Platen support axle the other end.
The present invention can also be realized further by following measures.
Aforesaid triangle belt drive device, wherein said pressure roller body is taper type pressure roller body, and the taper type outer circumferential face of pressure roller body is resisted against on the corresponding side of v belt.
Aforesaid triangle belt drive device, the cone angle of wherein said taper type pressure roller body axis projection is equal with the cross section angle of wedge β of v belt.
The present invention is setting up upper and lower 2 one group of pressure rollers respectively near two belt wheel places, two groups totally 4 pressure rollers be resisted against v belt both sides respectively, inclination angle between the v belt at turnover belt wheel place and belt wheel is 0 °, thus reduces the sliding friction loss of v belt and belt wheel race side; Meanwhile, owing to being rolling friction between pressure roller and v belt side, also reducing the frictional loss between pressure roller and v belt, substantially prolongs the working life of v belt.
Advantage and disadvantage of the present invention, by for illustration and explanation for the non-limitative illustration passing through preferred embodiment below, these embodiments, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the plan view of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As depicted in figs. 1 and 2, the present invention includes not at two belt wheels 1 and 4 pressure rollers 2 of same plane, two belt wheels 1 are connected by tilting v belt 3, one group of 2 pressure roller 2 setting up and down are arranged near belt wheel 1 position, and pressure roller 2 outer circumferential face is resisted against on the side of the bottom and upper segment of v belt 3 respectively; Another group 2 pressure rollers 2 setting up and down are arranged near another belt wheel 1 position, and pressure roller 2 outer circumferential face is resisted against on the opposite side of the bottom and upper segment of v belt 3 respectively; Pressure roller 2 promotes v belt 3, the distance H at pressure roller 2 center and center, belt wheel 1 radial symmetric face is made to equal 1/2 sum of pressure roller 2 supporting surface radius R and belt top width B, i.e. H=R+1/2B, to ensure that the inclination angle between the v belt 3 at turnover two belt wheel 1 places and belt wheel 1 is 0 °, reduce the frictional loss of v belt.
Pressure roller 2 comprises pressure roller body 21 and Platen support axle 22, and Platen support axle 22 one end is welded in frame 4, and pressure roller body 21 is supported on Platen support axle 22 the other end by bearing 5.Pressure roller body 21 is taper type pressure roller body, the taper type outer circumferential face of pressure roller body 21 is resisted against on the corresponding side of v belt 3, the cone angle of taper type pressure roller body axis projection is equal with the cross section angle of wedge β of v belt 3, v belt 3 both sides and pressure roller body 21 outer circumferential face linear contact lay can be ensured, the loss of rolling friction v belt is less, and transmission is more smooth and easy.
In addition to the implementation, the present invention can also have other mode of executions, and all employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.
Claims (3)
1. a triangle belt drive device, comprise two belt wheels, described two belt wheels are not in same plane, two belt wheels are connected by tilting v belt, it is characterized in that: also comprise 4 pressure rollers, one group of 2 pressure roller setting up and down are arranged near a belt wheel position, and pressure roller outer circumferential face is resisted against on the side of the bottom and upper segment of v belt respectively; Another group 2 pressure rollers setting up and down are arranged near another belt wheel position, and pressure roller outer circumferential face is resisted against on the opposite side of the bottom and upper segment of v belt respectively; Pressure roller promotes v belt and makes the distance H at pressure roller center and center, belt wheel radial symmetric face equal 1/2 sum of Platen support radius surface R and v belt top width B, i.e. H=R+1/2B; Described pressure roller comprises pressure roller body and Platen support axle, and described Platen support axle one end is fixed in frame, pressure roller body by bearings on the Platen support axle the other end.
2. triangle belt drive device as claimed in claim 1, it is characterized in that: described pressure roller body is taper type pressure roller body, the taper type outer circumferential face of pressure roller body is resisted against on the corresponding side of v belt.
3. triangle belt drive device as claimed in claim 2, is characterized in that: the cone angle of described taper type pressure roller body axis projection is equal with the cross section angle of wedge β of v belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693005.2A CN103671772B (en) | 2013-12-18 | 2013-12-18 | Triangle belt drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693005.2A CN103671772B (en) | 2013-12-18 | 2013-12-18 | Triangle belt drive device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103671772A CN103671772A (en) | 2014-03-26 |
| CN103671772B true CN103671772B (en) | 2016-02-24 |
Family
ID=50310226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310693005.2A Active CN103671772B (en) | 2013-12-18 | 2013-12-18 | Triangle belt drive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103671772B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2460756B1 (en) * | 2004-08-04 | 2013-11-13 | Otis Elevator Company | Sheave for use in an elevator system |
| CN201432966Y (en) * | 2009-05-14 | 2010-03-31 | 邱兴盛 | V-belt transmission turning device |
| CN203477217U (en) * | 2013-10-15 | 2014-03-12 | 重庆汇田机械制造有限公司 | Device achieving right-angle transmission of triangle belt |
| CN203614677U (en) * | 2013-12-18 | 2014-05-28 | 江苏沃得植保机械有限公司 | Triangle belt transmission device |
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2013
- 2013-12-18 CN CN201310693005.2A patent/CN103671772B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103671772A (en) | 2014-03-26 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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