WO2013069244A1 - 両面伝達用ローエッジｖベルト - Google Patents

両面伝達用ローエッジｖベルト Download PDF

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Publication number
WO2013069244A1
WO2013069244A1 PCT/JP2012/007056 JP2012007056W WO2013069244A1 WO 2013069244 A1 WO2013069244 A1 WO 2013069244A1 JP 2012007056 W JP2012007056 W JP 2012007056W WO 2013069244 A1 WO2013069244 A1 WO 2013069244A1
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WO
WIPO (PCT)
Prior art keywords
belt
cog
edge
double
low
Prior art date
Application number
PCT/JP2012/007056
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English (en)
French (fr)
Japanese (ja)
Inventor
敬志 藤原
Original Assignee
バンドー化学株式会社
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 バンドー化学株式会社 filed Critical バンドー化学株式会社
Priority to CN201280050903.XA priority Critical patent/CN103890449B/zh
Priority to KR1020147009358A priority patent/KR101992805B1/ko
Publication of WO2013069244A1 publication Critical patent/WO2013069244A1/ja

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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
    • F16G5/20—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 low-edge V-belt for double-sided transmission having cogs on both sides.
  • a stretched rubber layer is stacked on the upper part of an adhesive rubber layer that is hung between pulleys having a V-shaped groove and has a core wire embedded in the longitudinal direction of the belt, and the pulley is in contact with the lower part.
  • a low-edge cog belt having a compression rubber layer having a surface, a cog portion on both the stretch rubber layer and the compression rubber layer, and an inclined surface that does not contact the pulley over the entire belt circumference on both sides of the stretch rubber layer It is known that the pitch line is provided above the boundary line between the inclined surface and the pulley contact surface.
  • a lower cog is formed at a constant pitch along the length direction on the inner peripheral side of the belt main body, and the inner peripheral side of the belt main body is covered with an inner reinforcing cloth.
  • a V-belt in which upper cogs are formed at a constant pitch along the length direction on the outer peripheral side and the outer peripheral side of the belt body is covered with an outer reinforcing cloth.
  • the upper cog is not covered with the canvas, and inferior in durability in the case of transmission on the back surface, and cannot formally stably transmit power on the back surface.
  • the side surface of the upper cog has no inclined surface, cannot be transmitted as a V belt, and the thickness of the lower cog is different from that of the upper cog.
  • different pulleys must be used for the upper cog and separate designs are required.
  • the present invention has been made in view of such a point, and an object of the present invention is to make the low-edge V-belt highly durable and capable of transmitting a low-edge V-belt on any surface.
  • the heights of the upper cog and the lower cog from the core wire are made substantially the same.
  • a lower cog is formed at a constant pitch along the length direction on the inner peripheral side of the belt main body, and the inner peripheral side of the belt main body is covered with an inner reinforcing cloth.
  • An upper cog is formed at a constant pitch along the length direction on the outer peripheral side of the belt main body and the outer peripheral side of the belt main body is covered with an outer reinforcing cloth,
  • An adhesive rubber layer is disposed between the lower cog and the upper cog, and a core wire is disposed along the length direction of the adhesive rubber layer,
  • the minimum pulley diameter can be made the same on the upper side (reverse bending) and the lower side (forward bending). Moreover, it can be set as the reversible structure which can be reversed, and in that case, when one side is worn, it can be reversed and durability can be improved. Since the same slip and surface pressure can be designed on the upper side and the lower side, both sides can be designed with the same coefficient, so the design becomes easy.
  • the vertex here means the vertex when viewed from the width direction, and refers to a portion on the innermost side or the outermost side of the double edge transmission low edge V-belt.
  • the pitch of the lower cog and the pitch of the upper cog are equal, and the apex of the lower cog and the apex of the upper cog are at the same position in the length direction when viewed from the width direction.
  • the difference in thickness between the place where the distance from the core wire is the largest and the place where the distance is the smallest is large, and the flexibility is excellent as a whole.
  • the pitch of the lower cog is equal to the pitch of the upper cog, and the apex of the lower cog and the apex of the upper cog are at a position shifted by a half pitch in the length direction when viewed from the width direction.
  • the driving force driven by the drive pulley on the lower cog side can be transmitted to the auxiliary pulley on the upper cog side with high transmission capability.
  • the lower cog is cut into a V-shaped cross section when viewed from the length direction
  • the upper cog is cut into an inverted V-shaped cross section when viewed from the length direction.
  • FIG. 4 is a sectional view taken along line II-II in FIG. 3. It is a side view which shows a low edge V belt. It is a flowchart which shows simply the manufacturing process of a low edge V belt.
  • FIG. 9 is a view corresponding to FIG. 1 and showing a modification of the embodiment.
  • FIG. 4 is a diagram corresponding to FIG. 3 of a modified example. It is the schematic which shows the usage example of a low edge V belt. It is a perspective view which fractures
  • the double-sided transmission low-edge V-belt 1 shows a double-sided transmission low-edge V-belt 1 according to an embodiment of the present invention, and the double-sided transmission low-edge V-belt 1 is widely used in textile machines and agricultural machines having a multi-axis structure.
  • lower cogs 3 are formed at a constant pitch P along the length direction on the inner peripheral side of the belt body 2.
  • the pitch P is, for example, 9.52 mm.
  • the inner peripheral side of the belt body 2 is covered with an inner reinforcing cloth 4.
  • the upper cogs 5 are formed on the outer peripheral side of the belt body 2 at the same constant pitch P as the lower cogs 3 along the length direction. Further, the outer peripheral side of the belt body 2 is covered with an outer reinforcing cloth 6.
  • the inner reinforcing cloth 4 and the outer reinforcing cloth 6 are made of woolly nylon glued with chloroprene rubber
  • the lower cogs 3 and the upper cogs 5 are made of chloroprene rubber.
  • the chloroprene rubber preferably has a rubber hardness of 80 to 95 ° in JIS-A and 60 to 80 ° in JIS-C. This chloroprene rubber may contain reinforcing fibers.
  • aramid short fibers, nylon short fibers, polyester short fibers, or mixed short fibers thereof may be kneaded.
  • the height b from the apex of the lower cog 3 and the upper cog 5 to the valley bottom when viewed from the width direction is 4.5 mm
  • the round radius R1 of the apex of the lower cog 3 and the upper cog 5 is 1.1 mm.
  • the radius R2 of the valley is 1.3 mm.
  • the pitch P of the lower cog 3 and the pitch P of the upper cog 5 are equal, and the apex of the lower cog 3 and the apex of the upper cog 5 are at the same position in the length direction when viewed from the width direction.
  • the adhesive rubber layer 7 is disposed between the lower cog 3 and the upper cog 5.
  • a plurality of core wires 8 are arranged along the length direction of the adhesive rubber layer 7 at intervals in the width direction.
  • the core 8 is made of, for example, a bundle of 1670 dtex (decitex) aramid fibers, the lower twist is 2 S twists of 24/10 cm, and the upper twist is 11 twists / 10 cmZ of 5 twists, a total of 16700 dtex twist cord And
  • the lower cog 3 is cut into a V-shaped cross section when viewed from the length direction of the low-edge V-belt 1 for both-side transmission.
  • the upper cog 5 is cut into an inverted V-shaped cross section when viewed from the length direction.
  • the cut angle ⁇ is 38 °
  • the maximum width W1 of the double edge transmission low edge V-belt 1 is 14.4 mm
  • the minimum width W2 is 10.3 mm.
  • the distance H2 from the core line 8 of the apex of the lower cog 3 is approximately equal to the distance H1 from the core line 8 of the apex of the upper cog 5.
  • substantially equal does not mean that the heights are exactly the same, but means that a difference within ⁇ 10% of the height is allowed.
  • a difference of ⁇ 0.67 mm is an error range. If it is out of the range, a problem occurs in meshing with a toothed pulley (not shown).
  • the double-sided transmission low-edge V-belt 1 is substantially symmetrical up and down around the core wire 8, and in some cases, can be configured to be reversible. In that case, when one side is worn, it can be turned over to improve durability.
  • the minimum pulley diameter can be made the same on the upper side (reverse bending) and the lower side (forward bending), and the same slip and surface pressure can be designed on the upper side and the lower side. For this reason, the design can be made with the same coefficient on both the upper and lower surfaces, and the design becomes extremely easy.
  • the difference in thickness between the place where the distance from the core wire 8 is the largest and the place where the distance is the smallest is large, and the overall flexibility is excellent.
  • the lower cog 3 is cut into a V-shaped cross section
  • the upper cog 5 is cut into an inverted V-shaped cross section when viewed from the length direction. Since the distance from the center line 8 of the top 3 of the top 3 is approximately equal to the distance from the center line 8 of the top cog 5, the low edge V-belt 1 can be transmitted on any surface with high transmission capability and high durability. Can be.
  • the lower cog 3 is molded in the first molding process of step S01.
  • the inner reinforcing cloth 4 is pressed against a cylindrical mold in which a concave portion having the shape of the lower cog 3 is formed, and a layer of a bottom rubber such as chloroprene rubber is stacked thereon.
  • step S02 the inner reinforcing cloth 4 and the bottom rubber are shaped into the shape of the lower cog 3 by applying pressure while heating the first molded product of the first molding process. At this time, the position of the core wire 8 is secured by adjusting the thickness.
  • the adhesive rubber layer 7, the core wire 8, the adhesive rubber layer 7, the bottom rubber on the upper cog 5 side, and the outer reinforcing cloth 6 are wound around the molded product after thickness adjustment.
  • the core 8 is manufactured by treating with an isocyanate-based adhesive and immersing it in RFL (resorcin / formalin / latex), followed by stretching heat treatment.
  • the rubber sleeve is installed in the vulcanizer, and a rubber sleeve having a concave portion of the upper cog 5 is inserted from the outside and vulcanized.
  • the vulcanized product is cut into a predetermined width in the ring cutting process of step S05.
  • step S06 the side surfaces of the lower cog 3 and the upper cog 5 are cut.
  • the pitch P of the lower cog 3 is equal to the pitch P of the upper cog 5 as in the above embodiment, and the position of the apex of the lower cog 3 is the upper cog 5 It is at a position shifted by a half pitch (1 / 2P) when viewed from the width direction with respect to the position of the vertex. So-called staggered arrangement.
  • the rubber sleeve may be adjusted in step S04 of the above embodiment so that the positions of the lower cog 3 and the upper cog 5 are shifted by a half pitch, and the other processes are the same as those of the above embodiment.
  • the operational effects are the same as in the above embodiment, and the low edge V-belt 101 can be made highly durable with high transmission capability capable of transmitting on any surface.
  • the low-edge V-belt 1, 101 of the present embodiment of 90 inches is used, and the lower pulley 3 side of the low-edge V-belt 1, 101 is connected to the drive pulley 10, the first driven pulley 11, and the first pulley. 3 While hanging on the driven pulley 13, the upper cog 5 side is hooked on the second driven pulley 12. Further, the tension pulley 14 is brought into contact with the upper cog 5 side to adjust the tension.
  • the first driven pulley 11 and the third driven pulley 13 can be driven with a high driving force on the lower cog 3 side.
  • the second driven pulley 12 is an auxiliary pulley for an agricultural machine (not shown), for example, the auxiliary device can be driven with a high driving force.
  • the low-edge V-belt 1 of the present embodiment was used as an example, and a double-sided V-belt 201 (manufactured by Bando Chemical Co., Ltd.) in which the entire belt side surface shown in FIG.
  • the driving pulley 210 shown in FIG. 9 has a pulley outer diameter of 111 mm and a rotation speed of 1800 rpm, and the driven pulley 211 has a pulley outer diameter of 111 mm.
  • the shaft load DW (dead weight) was gradually increased until the slip ratio exceeded 4%, and multiplied until the power transmission reached a maximum.
  • the ST coefficient (N / m) indicating the effective tension of the belt per unit winding length at this time was calculated by the following formula (1) (for the ST coefficient, refer to Japanese Patent Laid-Open No. 2001-59548). .
  • P is a load (kW)
  • D is an outer diameter of the pulley (mm)
  • n is a rotation speed (rpm) of the driven pulley 211
  • ⁇ is a contact angle of 180 °
  • 2k is a coefficient. In this case, 6.0 It was.
  • FIG. 10 shows the result of comparison between the example and the comparative example. As can be seen from FIG. 10, it was found that the example exhibited almost three times the transmission capability with respect to the comparative example having the same slip ratio. As described above, it was confirmed that the low edge V-belt 1 of the example can transmit a higher load than the comparative example.
  • the present invention may be configured as follows with respect to the above embodiment.
  • the material of the core 8 may be a polyester material such as polyethylene terephthalate (PET), and the rubber material may be ethylene-propylene-diene rubber (EPDM), hydrogenated nitrile rubber (H-NBR), natural rubber, or the like.
  • PET polyethylene terephthalate
  • EPDM ethylene-propylene-diene rubber
  • H-NBR hydrogenated nitrile rubber
  • the inner reinforcing cloth 4 and the outer reinforcing cloth 6 may be plain woven cotton canvas, synthetic fiber mixed canvas, or the like.
  • the present invention is useful for the double-sided transmission low edge V belt having cogs on both sides.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Belt Conveyors (AREA)
PCT/JP2012/007056 2011-11-07 2012-11-02 両面伝達用ローエッジｖベルト WO2013069244A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201280050903.XA CN103890449B (zh) 2011-11-07 2012-11-02 双面动力传递用切边v形带
KR1020147009358A KR101992805B1 (ko) 2011-11-07 2012-11-02 양면 전달용 로엣지 v벨트

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011243337 2011-11-07
JP2011-243337 2011-11-07

Publications (1)

Publication Number Publication Date
WO2013069244A1 true WO2013069244A1 (ja) 2013-05-16

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ID=48289339

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Application Number Title Priority Date Filing Date
PCT/JP2012/007056 WO2013069244A1 (ja) 2011-11-07 2012-11-02 両面伝達用ローエッジｖベルト

Country Status (5)

Country Link
JP (2) JPWO2013069244A1 (ko)
KR (1) KR101992805B1 (ko)
CN (1) CN103890449B (ko)
TW (1) TWI558934B (ko)
WO (1) WO2013069244A1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018059626A (ja) * 2016-09-29 2018-04-12 三ツ星ベルト株式会社 六角ベルト、及び六角ベルトの製造方法
JP2019032078A (ja) * 2017-08-09 2019-02-28 三ツ星ベルト株式会社 六角ベルト

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP6603350B2 (ja) * 2018-03-30 2019-11-06 バンドー化学株式会社 ローエッジｖベルト
CN109625774A (zh) * 2018-12-24 2019-04-16 阿雷法(苏州)汽车部件有限公司 一种多槽限位v带
CN113696459B (zh) * 2021-08-25 2023-05-12 宁波慈光同步带有限公司 一种双面齿同步带的加工装置及其加工方法

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPS5045550U (ko) * 1973-08-28 1975-05-08
JPS5576239A (en) * 1978-12-04 1980-06-09 Dayco Corp Power transmitting belt
JPS57134443U (ko) * 1981-02-16 1982-08-21
JP2002107237A (ja) * 2000-09-29 2002-04-10 Mitsuboshi Belting Ltd コグドｖベルトの寿命予測方法および装置、並びに記録媒体

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GB365293A (en) * 1930-02-07 1932-01-21 Abraham Lincoln Freedlander Improvements in or relating to cog belts
US3988941A (en) * 1975-08-01 1976-11-02 Smith Thomas R Drive belt
JPS5395054U (ko) * 1976-12-29 1978-08-02
JPS5973655U (ja) * 1982-11-10 1984-05-18 トヨタ自動車株式会社 伝動ベルト
JPH0545550U (ja) * 1991-11-25 1993-06-18 住友金属工業株式会社 高炉用コークスの熱間反応性試験装置
EP0694710B1 (en) * 1994-07-27 1998-10-14 Mitsuboshi Belting Ltd. Double V-ribbed belt
JP2908286B2 (ja) * 1994-07-27 1999-06-21 三ツ星ベルト株式会社 ダブルｖリブドベルト
US5704862A (en) * 1997-01-13 1998-01-06 The Goodyear Tire & Rubber Company Dual sided poly-V drive belt and pulley therefor
JP2001187943A (ja) * 1999-12-28 2001-07-10 Mitsuboshi Belting Ltd ダブルｖリブドベルト
JP4495294B2 (ja) 2000-03-15 2010-06-30 三ツ星ベルト株式会社 ローエッジコグベルト
CN2806884Y (zh) * 2005-07-20 2006-08-16 贵州大众橡胶有限公司 双面齿形带
DE102006007509B4 (de) * 2006-02-16 2009-01-22 Contitech Antriebssysteme Gmbh Keilrippenriemen mit verbessertem Geräuschverhalten
JP2009216181A (ja) 2008-03-11 2009-09-24 Bando Chem Ind Ltd Ｖベルト

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5045550U (ko) * 1973-08-28 1975-05-08
JPS5576239A (en) * 1978-12-04 1980-06-09 Dayco Corp Power transmitting belt
JPS57134443U (ko) * 1981-02-16 1982-08-21
JP2002107237A (ja) * 2000-09-29 2002-04-10 Mitsuboshi Belting Ltd コグドｖベルトの寿命予測方法および装置、並びに記録媒体

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018059626A (ja) * 2016-09-29 2018-04-12 三ツ星ベルト株式会社 六角ベルト、及び六角ベルトの製造方法
JP2019032078A (ja) * 2017-08-09 2019-02-28 三ツ星ベルト株式会社 六角ベルト
JP7255982B2 (ja) 2017-08-09 2023-04-11 三ツ星ベルト株式会社 六角ベルト

Also Published As

Publication number Publication date
JPWO2013069244A1 (ja) 2015-04-02
KR101992805B1 (ko) 2019-06-25
CN103890449A (zh) 2014-06-25
TWI558934B (zh) 2016-11-21
JP6271791B2 (ja) 2018-01-31
CN103890449B (zh) 2016-02-17
JP2017125615A (ja) 2017-07-20
TW201341688A (zh) 2013-10-16
KR20140088863A (ko) 2014-07-11

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