WO2014017012A1 - ノッチ付き伝動ベルト - Google Patents
ノッチ付き伝動ベルト Download PDFInfo
- Publication number
- WO2014017012A1 WO2014017012A1 PCT/JP2013/003824 JP2013003824W WO2014017012A1 WO 2014017012 A1 WO2014017012 A1 WO 2014017012A1 JP 2013003824 W JP2013003824 W JP 2013003824W WO 2014017012 A1 WO2014017012 A1 WO 2014017012A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transmission belt
- belt
- notch
- notched
- length
- Prior art date
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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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G5/00—V-belts, i.e. belts of tapered cross-section
- F16G5/04—V-belts, i.e. belts of tapered cross-section made of rubber
- F16G5/06—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber
- F16G5/10—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber with metal reinforcement
-
- 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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G5/00—V-belts, i.e. belts of tapered cross-section
- F16G5/20—V-belts, i.e. belts of tapered cross-section with a contact surface of special shape, e.g. toothed
Definitions
- the present invention relates to a transmission belt with a notch in which a plurality of notches are provided on the inner surface of the belt body.
- Patent Document 1 a transmission belt with a notch in which a plurality of notches formed so as to extend in the belt width direction on the belt inner surface side of the V-belt is arranged at an equal pitch in the belt length direction is known (for example, Patent Document 1). ).
- the present invention includes an endless belt body having a V-shaped cross section, and a plurality of belt bodies that are formed on the belt inner surface side of the belt body so as to extend in the belt width direction and are arranged in the belt length direction.
- the shape of the bottom portion of each notch in the cross section when cut along a plane perpendicular to the belt width direction is provided with a central straight portion and concave arc portions that are continuous on both sides of the straight portion, respectively. , And a notched transmission belt.
- FIG. 1 It is sectional drawing which shows the structure of the wrapped V belt with a notch which concerns on embodiment. It is a side view of a part of a notched wrapped V-belt according to an embodiment. It is a figure which shows the side view shape of the notch before the pulley winding, and (b) the side view shape of the notch when the pulley is wound when the bottom of the notch is formed in an arc shape. It is a figure which shows the side view shape of the notch before a pulley winding in the case where the bottom part of a notch has a linear part, and the side view shape of the notch at the time of (b) pulley winding. It is a graph which shows the relationship between the length of a linear part, and pulley abrasion loss. It is a graph which shows the relationship between the curvature radius of a circular arc part, and crack resistance.
- FIG. 1 shows a configuration of a notched wrapped V-belt B (notched transmission belt) according to the present embodiment.
- the notched wrapped V-belt B according to the present embodiment is used for applications such as a large air conditioning fan, for example.
- the notched wrapped V-belt B according to the present embodiment has a belt length of, for example, 50.8 to 762 mm, and in the JIS1A type (conforming to JIS K6323, the same applies hereinafter), the belt width is 12.5 mm and the belt thickness is 9.
- the belt width is 16.5 mm and the belt thickness is 11.0 mm
- the belt width is 22.0 mm
- the belt thickness is 14.0 mm
- the belt width Is 31.5 mm and the belt thickness is 19.0 mm.
- the notched wrapped V-belt B includes an adhesive rubber layer 11 having a substantially rectangular cross section, a bottom rubber layer 12 laminated on the belt inner surface side (lower side in FIG. 1) of the adhesive rubber layer 11, An upper rubber layer 13 laminated on the back side of the belt of the adhesive rubber layer 11 (upper side in the figure), and an outer canvas 14 covering the outer peripheral surface of the adhesive rubber layer 11, the bottom rubber layer 12 and the upper rubber layer 13; It has. Further, in the adhesive rubber layer 11, a core wire 15 is embedded so as to be arranged in a helical manner at an equal pitch in the belt width direction (the left-right direction in the figure). An endless belt body 10 is configured. That is, the configuration of the belt body 10 is the same as that of the wrapped V belt without notches.
- the notched wrapped V-belt B is formed on the belt inner surface side of the belt body 10 so as to extend in the belt width direction, as shown in FIG.
- a plurality of notches 20 having a U-groove shape in cross section when cut along an orthogonal plane are arranged so as to be arranged at equal pitches in the belt length direction (left-right direction in the figure).
- the pitch of the notches 20 is preferably 9.0 to 11.0 mm, more preferably 9.5 to 10.5 mm in the JIS A type, and preferably 11.7 to 13.7 mm in the JIS B type.
- the notch 20 is 12.2 to 13.2 mm, preferably 13.5 to 15.5 mm, more preferably 14.0 to 15.0 mm, and more preferably 19.0 to 21. It is 0 mm, more preferably 19.5 to 20.5 mm.
- the maximum width (opening width) of the notch 20 is 3.5 ⁇ 0.5 mm for JISJA type, 4.5 ⁇ 0.5 mm for JIS B type, 6.0 ⁇ 0.5 mm for JIS C type, and JIS D.
- the shape is 10.0 ⁇ 1.0 mm.
- each notch 20 in the cross section when it cut disconnects by the plane orthogonal to a belt width direction followed the linear part 20a extended in the center belt length direction, and each of the both sides of the linear part 20a. And a concave arcuate portion 20b.
- the notched wrapped V-belt B is formed on the belt inner surface side of the belt main body 10 having the same configuration as that of the notched wrapped V-belt so as to extend in the belt width direction.
- the shape of the bottom of each notch 20 in the cross section when cut by a plane orthogonal to the belt width direction is the center. Since the straight arc portion 20a and the concave arc portions 20b that are continuous on both sides of the straight portion 20a are provided, the pulley surface is worn out in a short period of time by dust such as metal powder accumulated at the bottom of each notch. In addition, crack resistance that is comparable to that of a notched wrapped V-belt can be obtained.
- FIG. 3A when the bottom of the notch 20 ′ is formed in an arc shape as shown in FIG. 3A, when the belt is wound around the pulley and the notch 20 ′ is compressed, FIG. As shown in (b), it is considered that the bottom of the notch 20 ′ is deformed so as to have a small curvature, whereby the dust staying at the bottom is compressed and pushed out in the belt width direction and the belt thickness direction.
- This tendency is conspicuous when the pulley diameter is reduced, which is contrary to the energy-saving effect due to the small pulley.
- the length L of the straight portion 20a at the bottom of the notch 20 is preferably 0.5 mm or more in the JIS A type from the viewpoint of making it difficult for dust such as metal powder to stay in the bottom of the notch 20.
- the B type it is preferably 1.0 mm or more, in the JIS C type, preferably 2.5 mm or more, and in the JIS D type, preferably 3.0 mm or more.
- the length L of the straight portion 20a is preferably 2.0 mm or less, more preferably 1.0 mm or less in the JIS A type, and preferably 4.0 mm or less, more preferably 2 in the JIS B type.
- the JIS C type it is preferably 5.5 mm or less, more preferably 3.5 mm or less
- the JIS D type it is preferably 8.0 mm or less, more preferably 7.5 mm or less.
- the radius of curvature R of the arc portion 20b at the bottom of the notch 20 is preferably 1.3 mm or more, more preferably 1.4 mm or more, from the viewpoint of suppressing the occurrence of cracks at both ends of the linear portion 20a.
- the radius of curvature R of the circular arc portion 20b is increased, the entire width of the notch 20 is increased, and the pulley contact area on the belt side surface, that is, the pressure receiving area is decreased. As a result, the fixing acting per unit area on the belt side surface. Strength increases. If it does so, it will be assumed that a tearing force acts on the notch 20 by the both sides of the notch 20 where the fixing force by the pulley is increased, and cracks are likely to occur. From this viewpoint, the radius of curvature R of the arc portion 20b is preferably 1.6 mm or less, and more preferably 1.5 mm or less.
- FIG. 5 shows the relationship between the length L of the straight portion 20a and the amount of pulley wear.
- the amount of wear of the pulley is the largest when the length L of the straight portion 20a at the bottom of the notch 20 is 0 mm, significantly decreases in the range of 0 to 0.5 mm, and is moderate at 0.5 mm or more. It turns out that it falls to.
- the reason for this phenomenon is that when the length L of the straight portion 20a at the bottom of the notch 20 is short, the amount of dust accumulated at the bottom of the notch 20 is large, but the length of the straight portion 20a at the bottom of the notch 20 is large. As the length L becomes longer, the dust emission is regulated. When the length L of the straight portion 20a at the bottom of the notch 20 is 0 or 5 mm or more, the dust emission is regulated and hardly done, and as a result, the pulley surface wears. Is considered to be suppressed.
- the length L of the straight portion 20a at the bottom of the notch 20 is 0.5 mm or more (L ⁇ 0.5 mm). It is desirable that
- FIG. 6 shows the relationship between the radius of curvature R of the arc 20b and the crack resistance.
- the crack resistance is the worst when the radius of curvature R is 0 mm, and gradually increases as it increases. It can be seen that the protrusion is excellent in the range of 3 to 1.6 mm (1.3 mm ⁇ R ⁇ 1.6 mm), and decreases when the thickness exceeds 1.6 mm.
- the length L of the straight portion 20a at the bottom of the notch 20 is 0.5 mm or more, and the radius of curvature R of the arc portion 20b is 1.3 to 1.6 mm.
- the present invention is a low-edge cogged V-belt (in this case, adjacent to each other) that is a notched V-belt that does not include the jacket canvas 14.
- the portion between the cogs corresponds to a notch).
- the present invention is useful for a transmission belt with a notch in which a plurality of notches are formed on the inner surface of the belt body.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
- Belt Conveyors (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
10 ベルト本体
20 ノッチ
20a 直線部
20b 円弧部
L 直線部の長さ
R 円弧部の曲率半怪
Claims (15)
- 横断面V字状をなすエンドレスのベルト本体と、
各々、上記ベルト本体のベルト内面側にベルト幅方向に延びるように形成され、ベルト長さ方向に並ぶように配置された複数のノッチと、
を備え、
ベルト幅方向に直交する平面でもって切断したとき断面における上記各ノッチの底部の形状は、中央の直線部と、該直線部の両側のそれぞれに連続した凹状の円弧部と、を有するノッチ付き伝動ベルト。 - 請求項1に記載されたノッチ付き伝動ベルトにおいて、
JIS A形のノッチ付き伝動ベルトであるノッチ付き伝動ベルト。 - 請求項2に記載されたノッチ付き伝動ベルトにおいて、
上記直線部の長さが0.5~2.0mmであるノッチ付き伝動ベルト。 - 請求項2又は3に記載されたノッチ付き伝動ベルトにおいて、
上記ノッチの配設ピッチが9.0~11.0mmであるノッチ付き伝動ベルト。 - 請求項1に記載されたノッチ付き伝動ベルトにおいて、
JIS B形のノッチ付き伝動ベルトであるノッチ付き伝動ベルト。 - 請求項5に記載されたノッチ付き伝動ベルトにおいて、
上記直線部の長さが1.0~4.0mmであるノッチ付き伝動ベルト。 - 請求項5又は6に記載のノッチ付き伝動ベルトにおいて、
上記ノッチの配設ピッチが11.7~13.7mmであるノッチ付き伝動ベルト。 - 請求項1に記載されたノッチ付き伝動ベルトにおいて、
JIS C形のノッチ付き伝動ベルトであるノッチ付き伝動ベルト。 - 請求項8に記載されたノッチ付き伝動ベルトにおいて、
上記直線部の長さが2.5~5.5mmであるノッチ付き伝動ベルト。 - 請求項8又は9に記載のノッチ付き伝動ベルトにおいて、
上記ノッチの配設ピッチが13.5~15.5mmであるノッチ付き伝動ベルト。 - 請求項1に記載されたノッチ付き伝動ベルトにおいて、
JIS D形のノッチ付き伝動ベルトであるノッチ付き伝動ベルト。 - 請求項11に記載されたノッチ付き伝動ベルトにおいて、
上記直線部の長さが3.0~8.0mmであるノッチ付き伝動ベルト。 - 請求項11又は12に記載のノッチ付き伝動ベルトにおいて、
上記ノッチの配設ピッチが19.0~21.0mmであるノッチ付き伝動ベルト。 - 請求項1乃至13のいずれかに記載のノッチ付き伝動ベルトにおいて、
上記円弧部の曲率半径が1.3mm以上であるノッチ付き伝動ベルト。 - 請求項1乃至14のいずれかに記載のノッチ付き伝動ベルトにおいて、
上記円弧部の曲率半径が1.6mm以下であるノッチ付き伝動ベルト。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201380038599.1A CN104487738A (zh) | 2012-07-26 | 2013-06-19 | 有凹口的传动带 |
JP2014526734A JP6205358B2 (ja) | 2012-07-26 | 2013-06-19 | ノッチ付きラップドvベルト |
EP13823791.2A EP2878854A4 (en) | 2012-07-26 | 2013-06-19 | BELT WITH INCHING |
KR1020157001162A KR101871033B1 (ko) | 2012-07-26 | 2013-06-19 | 노치를 갖는 전동 벨트 |
US14/605,369 US9677643B2 (en) | 2012-07-26 | 2015-01-26 | Notched transmission belt |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-166202 | 2012-07-26 | ||
JP2012166202 | 2012-07-26 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/605,369 Continuation US9677643B2 (en) | 2012-07-26 | 2015-01-26 | Notched transmission belt |
Publications (1)
Publication Number | Publication Date |
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WO2014017012A1 true WO2014017012A1 (ja) | 2014-01-30 |
Family
ID=49996840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2013/003824 WO2014017012A1 (ja) | 2012-07-26 | 2013-06-19 | ノッチ付き伝動ベルト |
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US (1) | US9677643B2 (ja) |
EP (1) | EP2878854A4 (ja) |
JP (1) | JP6205358B2 (ja) |
KR (1) | KR101871033B1 (ja) |
CN (1) | CN104487738A (ja) |
WO (1) | WO2014017012A1 (ja) |
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JP2016109249A (ja) * | 2014-12-09 | 2016-06-20 | 三菱自動車工業株式会社 | 溝付きベルト |
US10801580B2 (en) | 2015-04-27 | 2020-10-13 | Mitsuboshi Belting Ltd. | Wrapped V-belt and method for manufacturing wrapped V-belt |
WO2021117895A1 (ja) * | 2019-12-13 | 2021-06-17 | 三ツ星ベルト株式会社 | コグ付きvベルト |
Families Citing this family (1)
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CN109196246B (zh) * | 2016-05-20 | 2019-09-24 | 阪东化学株式会社 | 带齿v带及使用了该带齿v带的传动系统 |
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2013
- 2013-06-19 WO PCT/JP2013/003824 patent/WO2014017012A1/ja active Application Filing
- 2013-06-19 KR KR1020157001162A patent/KR101871033B1/ko active IP Right Grant
- 2013-06-19 JP JP2014526734A patent/JP6205358B2/ja active Active
- 2013-06-19 CN CN201380038599.1A patent/CN104487738A/zh active Pending
- 2013-06-19 EP EP13823791.2A patent/EP2878854A4/en not_active Withdrawn
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2015
- 2015-01-26 US US14/605,369 patent/US9677643B2/en active Active
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JP2004183764A (ja) | 2002-12-03 | 2004-07-02 | Bando Chem Ind Ltd | ノッチ付きラップドvベルト |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016109249A (ja) * | 2014-12-09 | 2016-06-20 | 三菱自動車工業株式会社 | 溝付きベルト |
US10801580B2 (en) | 2015-04-27 | 2020-10-13 | Mitsuboshi Belting Ltd. | Wrapped V-belt and method for manufacturing wrapped V-belt |
WO2021117895A1 (ja) * | 2019-12-13 | 2021-06-17 | 三ツ星ベルト株式会社 | コグ付きvベルト |
JPWO2021117895A1 (ja) * | 2019-12-13 | 2021-12-09 | 三ツ星ベルト株式会社 | コグ付きvベルト |
JP2022020014A (ja) * | 2019-12-13 | 2022-01-27 | 三ツ星ベルト株式会社 | コグ付きvベルト |
JP7048824B2 (ja) | 2019-12-13 | 2022-04-05 | 三ツ星ベルト株式会社 | コグ付きvベルト |
JP7256249B2 (ja) | 2019-12-13 | 2023-04-11 | 三ツ星ベルト株式会社 | コグ付きvベルト |
Also Published As
Publication number | Publication date |
---|---|
US20150141186A1 (en) | 2015-05-21 |
US9677643B2 (en) | 2017-06-13 |
KR20150036094A (ko) | 2015-04-07 |
JP6205358B2 (ja) | 2017-09-27 |
CN104487738A (zh) | 2015-04-01 |
EP2878854A1 (en) | 2015-06-03 |
JPWO2014017012A1 (ja) | 2016-07-07 |
EP2878854A4 (en) | 2016-03-30 |
KR101871033B1 (ko) | 2018-06-25 |
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