CN101201092B - 动力传动带 - Google Patents

动力传动带 Download PDF

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CN101201092B
CN101201092B CN2007103068468A CN200710306846A CN101201092B CN 101201092 B CN101201092 B CN 101201092B CN 2007103068468 A CN2007103068468 A CN 2007103068468A CN 200710306846 A CN200710306846 A CN 200710306846A CN 101201092 B CN101201092 B CN 101201092B
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line
twist
driving belt
reinforcing
reinforcing line
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CN101201092A (zh
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J·D·洛夫格伦
L·D·戈奇
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ContiTech America Co Ltd
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Veyance Technologies Inc
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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
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G1/00—Driving-belts
    • F16G1/28—Driving-belts with a contact surface of special shape, e.g. toothed
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/447—Yarns or threads for specific use in general industrial applications, e.g. as filters or 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
    • F16G1/00—Driving-belts
    • F16G1/06—Driving-belts made of rubber
    • F16G1/08—Driving-belts made of rubber with reinforcement bonded by the rubber
    • F16G1/10—Driving-belts made of rubber with reinforcement bonded by the rubber with textile 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
    • F16G5/04—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
    • F16G5/08—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber with textile 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Ropes Or Cables (AREA)
  • Structure Of Belt Conveyors (AREA)

Abstract

一种动力传动带(10，30)，该带包括压缩部(16，36)，张紧部(12，32)和负载部(14，34)。所述负载部(14，34)有多根加强线(22，42)。该加强线(22，42)由聚对苯撑苯并双噁唑(PBO)形成。在每一根加强线(22，42)中，该线具有大于线捻度的纱捻度，而且线捻度为合股捻度的1/4-1/2。

Description

动力传动带
技术领域
本发明涉及一种动力传动带，尤其是涉及一种其中用PBO纤维加强的动力传动带。
背景技术
在传统的动力传动带中，所述带具有内压缩部，外张紧部和中间中性面。通常，成螺旋线缠绕的加强线位于中性面内，而且因此所述中性面也为称为负载区域。该传动带还具有多个凹槽和凸缘构造，采用纵向或横向凹槽或两者的结合。所述凹槽位于带的内压缩部，其用于在动力传动系统中帮助啮合带轮。对于某些传动带，凹槽和凸缘构造也可由外张紧部提供。
负载区域的加强线为带提供了大部分的抗张强度。因此，构成带的材料是十分重要的。所知的是用高模量材料的加强线，包括采用聚对苯撑苯并双噁唑(poly(p-phenylene-2，6-benzobisoxazole))。然而，由于PBO纱独特的物理性质，在动力传动带中用简单的PBO纱代替已知的聚合酯或芳族聚酰胺线，是不能得到令人满意性能的传动带的。
发明内容
本发明针对一种动力传动带，其包括但不仅限于同步传动带或各种多楔带。所述带具有压缩部，张紧部和负载部。该负载部由多根加强线构成。加强线由聚对苯撑苯并双噁唑(PBO)形成。在每一根加强线中，线具有的纱捻度大于线捻度，而且线捻度为合股捻度的1/4-1/2。
本发明的其它方面，加强线的纱捻系数为1.0-1.5的范围，加强线的合股捻系数为3.2-4.3的范围，而且加强线的线捻系数为1.7-4.1的范围。
本发明的另一方面，所述PBO加强纱的旦尼尔(denier)范围为1090分特-3270分特(dTex)。
本发明的另一方面，所述传动带具有纵方向，而且，该加强线相对该带的纵向倾斜0°-30°的角度。
本发明的另一方面，所述PBO线具有选自由1×2，1×2×3，1×4×3或1×4×5组成的组的构造。
附图说明
接下来将以实施例的形式并参考相关附图描述本发明。
图1示出一同步传动带，
图2示出另一种传动带。
具体实施方式
下文是本发明的一个或多个最优实施形式。其目的是以实施例形式对本发明的主要原理进行描述，但并不限制本发明。本发明的范围应参考权利要求书。
图1中主要示出同步传动带10，其具有张紧部12，负载部14和压缩部16。压缩部具有多个横向凸缘18，其带有多个横向凹槽20。该负载部14具有纵向加强线22，其埋入合适的材料24中。
所述带的张紧部12由弹性体材料形成。该弹性体可以是已知的适用于该带的任意一种，如：聚氯丁烯，聚氨酯，NBR，IIR，IR，SBR，CSM，EPDM，其它热固树酯，热塑塑料弹性体和其它聚合物合金。
所述压缩部16由弹性体材料形成。该弹性体材料可以是本领域所知的任何适用的材料。形成压缩部16的弹性体材料可以与形成张紧部12的材料相同或类似。可以选择地是，压缩部16的弹性体与张紧部12中的弹性体可以是不同的基复合材料。该弹性体材料也可以用离散化纤维加强。优选地是，该纤维横向延伸并且具有从纵向凸缘18的侧面凸出的部分。由该带的最终用途而定，线或纤维的连续加强层可位于压缩部16的表面。该压缩部16的最外表面，形成带10的最内表面，其可具有改变带10表面性能的纤维层26。
根据本发明，在负载部14中的加强线22为多纤丝聚对苯撑苯并双噁唑(“PBO”)纱或线。目前有两种PBO纤维，即AS(初生型)和HM(高模量型)。PBO-AS纱的旦尼尔范围为278分特-1670分特，而PBO-HM纱的旦尼尔范围为273分特-3270分特。对于本发明，PBO-HM纱的旦尼尔优选范围为1090分特-3270分特。该PBO纱扭捻成线；适宜的线构造包括1×2，1×2×3，1×4×3和1×4×5。
为了在保持PBO线高模量时仍能达到期望的挠曲疲劳，单独的PBO纱的捻系数范围应为1.0～1.5，由若干纱形成的合股捻系数范围应为3.2-4.3，而且该线具有一最终捻系数1.7-4.1。所述的任一捻系数都由通用捻系数公式计算，其中捻系数等于每米的捻回数乘以单位为分特的线密度的平方根，然后再除以3000(即捻系数＝[每米的捻回数×分特的平方根]/3000)。在期望的捻系数范围内，合股捻度通常比纱捻度要大，而线捻度要小于纱或合股捻度。优选地是，线捻度为1/4-1/2合股捻度。具有这些捻度系数值的PBO线使得传动带在保持高模量时还具有良好的挠曲疲劳。较高的捻度值可使得传动带具有略微优化的挠曲疲劳，但同时也会减小传动带模量。相反地，较低捻度将会增加传动带模量，但会减小挠曲疲劳(动力传动带的决定性特征)。纱和合股在同一方向扭捻，而线则在相反方向扭捻；因此线以ZZS或SSZ扭捻。
由于强度由PBO线提供，所以传动带的宽度可比传统带的宽度小。这在所述系统和带的寿命期间节省了动力传动系统的费用。
在传动带10内，其加强线22相对于该带的纵向倾斜0°-30°的角度。线22的倾斜角影响带的拉伸性能。由于加强线22的高抗张强度，带内的线22的倾斜角越小，带的拉伸性能越低，而线倾斜角越大，带就越有弹性。
PBO纱可涂覆适当的粘合剂，其包括双层粘合剂，第一层粘合剂为环氧乳胶化合物，第二层粘合剂为间苯二酚-甲醛乳胶(RFL)。该双层浸纱在专利US6,824,871中有详细描述；该专利通过引用完全结合在本发明中。
图2示出了多楔带(poly-v)30。该带30具有张紧部32，负载部34和压缩部36。该压缩部36具有多个纵向凸缘38，其带有多个横向凹槽40。该负载部34具有纵向加强线42，其埋入合适的材料44中。与图1所示的带10相似，该加强线42可由上述类型的PBO纱和线形成。

Claims (7)

1.一种传动带，其具有压缩部、张紧部和负载部，该负载部包括纵向加强线，该线由聚对苯撑苯并双噁唑纱形成，其特征在于：
所述加强线的纱捻度大于线捻度，而且加强线的线捻度为合股捻度的1/4-1/2；其中
纱和合股在同一方向扭捻，而线则在相反方向扭捻；
加强线的纱捻系数范围为1.0-1.5；
加强线的合股捻系数范围为3.2-4.3；以及
加强线的线捻系数范围为1.7-4.1。
2.如权利要求1所述的传动带，其中加强纱的旦尼尔范围为1090分特-3270分特。
3.如权利要求1或2所述的传动带，其中所述传动带具有一纵向，该加强线相对该带的纵向倾斜0°-30°的角度。
4.如权利要求1或2所述的传动带，其中加强线具有1×4×5的构造。
5.如权利要求1或2所述的传动带，其中加强线具有1×4×3的构造。
6.如权利要求3所述的传动带，其中加强线具有1×4×5的构造。
7.如权利要求3所述的传动带，其中加强线具有1×4×3的构造。
CN2007103068468A 2006-10-27 2007-10-29 动力传动带 Expired - Fee Related CN101201092B (zh)

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US11/588,597 US7780560B2 (en) 2006-10-27 2006-10-27 Power transmission belt
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US7780560B2 (en) 2010-08-24
US20080103001A1 (en) 2008-05-01
BRPI0705465A (pt) 2008-06-10
JP2008190714A (ja) 2008-08-21
CN101201092A (zh) 2008-06-18
EP1916443A2 (en) 2008-04-30
EP1916443B1 (en) 2013-10-16
EP1916443A3 (en) 2009-08-12
BRPI0705465B1 (pt) 2018-02-06

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