WO2011054266A1 - Composite joining belt material for reinforcing steel belt of plastic-steel winding tube - Google Patents

Composite joining belt material for reinforcing steel belt of plastic-steel winding tube Download PDF

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Publication number
WO2011054266A1
WO2011054266A1 PCT/CN2010/078169 CN2010078169W WO2011054266A1 WO 2011054266 A1 WO2011054266 A1 WO 2011054266A1 CN 2010078169 W CN2010078169 W CN 2010078169W WO 2011054266 A1 WO2011054266 A1 WO 2011054266A1
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WO
WIPO (PCT)
Prior art keywords
joint
steel
substrate
reinforced composite
steel strip
Prior art date
Application number
PCT/CN2010/078169
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French (fr)
Chinese (zh)
Inventor
郑能欢
Original Assignee
华瀚科技有限公司
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Application filed by 华瀚科技有限公司 filed Critical 华瀚科技有限公司
Publication of WO2011054266A1 publication Critical patent/WO2011054266A1/en

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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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/78—Winding and joining, e.g. winding spirally helically using profiled sheets or strips
    • B29C53/785—Winding and joining, e.g. winding spirally helically using profiled sheets or strips with reinforcements
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement

Definitions

  • the invention relates to a plastic steel winding pipe, in particular to a plastic steel wound pipe strip. Background technique
  • Spiral-wound pipes can be produced from plastic or steel-composite sheets, strips, tubes and profiles by special or general winding equipment. It is used as a winding pipe for gravity self-flowing liquid transportation, mainly focusing on its ability to withstand external pressure or impact. Therefore, various structural wall tubes can be used to reduce production costs by saving materials while maintaining the same performance specifications.
  • the steel-plastic composite material uses the steel strip with a modulus of elasticity far exceeding that of the plastic as the reinforcing rib of the pipe.
  • the advantages of combining steel and plastic materials can effectively reduce the amount of plastic and further reduce the cost.
  • the Chinese patent 200520112528. 4 filed on July 4, 2005 discloses a plastic-steel-wound structural wall pipe.
  • the pipe 2 is composed of an inner tube wall to form a closed smooth fluid passage, the pipe wall.
  • the outer surface is a solid straight rib structure surrounded by a spiral.
  • the pipe 2 is manufactured by extruding a polyethylene plastic and a steel strip into a profiled strip 1, and then forming the strip 1 into a tube 2 by means of winding lap joint and extrusion welding.
  • the strip 1 comprises a substrate 10 and a rib 20, the rib 20 is a steel strip, the outer strip of the steel strip is uniformly coated with polyethylene, and the substrate 10 is made of a polyethylene material.
  • the ribs 20 are perpendicular to the substrate 10.
  • the substrate 10 constitutes a tube wall, and the ribs 20 are spirally extended perpendicularly to the tube wall.
  • the two ends of the strip 1 are an extension platform 11 and an extension boss 12, respectively, which are the protruding protrusions at the end of the strip and the protruding protrusions of the adjacent strips. 12 ' Bonding, the joint is welded and bonded with molten extrudate in the middle.
  • the structural design of the strip is critical.
  • the following requirements should be considered in the design: 1) to ensure the ring stiffness of the pipe, 2) easy to form and not break, 3) the joint is welded firmly, without cracking or leakage.
  • the joint faces of the strips need to be considered from the structural design. Increase the welding surface, increase the welding strength, and enhance the sealing.
  • the rib is designed as a steel strip, increases the strength of the pipe, but only the lap portion is designed at the joint, so that when welding, the joint needs to be fixed to be welded, if welding Not strong, it is easy to crack, and leakage occurs.
  • the structural steel strip is embedded in the ribs in a sheet shape, which may affect the ring stiffness of the entire tube due to the destruction of the ribs.
  • a steel strip reinforced composite lap tape for a plastic steel winding pipe comprising at least one strip unit, the strip unit comprising a substrate and at least one rib plate, the rib plate being disposed perpendicular to the substrate, in the rib plate
  • a steel strip is disposed, and the ribs are attached to the substrate, wherein one side of the substrate is provided with a joint portion, the joint portion is a flat structure, and the joint portion has at least one joint protrusion.
  • the two joined strip units, the joint portion of one strip unit and the other strip unit are formed by the protrusions squeezing the solder or increasing the bonding area.
  • the soldering or bonding relationship is stable and will not crack.
  • the joint portion, the one or more joint protrusions constitute a wave-like structure or a saw-tooth structure, can effectively increase the frictional force of the joint protrusion and the joint portion, and can continuously squeeze the weld material or increase the joint area, so that the joint is formed
  • the welding or bonding relationship is stable and will not crack.
  • the joint portion is disposed on both sides of the substrate, and each side joint portion is provided with at least one joint protrusion.
  • the engaging projections on both sides of the substrate are arranged in a staggered relationship, which facilitates the joining of the two strip units and also makes the splicing of the strip unit more stable.
  • the strip unit includes a substrate and at least one reinforcing rib (i.e., a rib) that is perpendicular to the substrate and extends in the longitudinal direction of the strip.
  • a reinforcing rib i.e., a rib
  • the substrate material is plastic
  • the reinforcing rib fins are steel strips
  • the steel strip is evenly coated with plastic.
  • the plastic can be polyethylene, polypropylene, polyvinyl chloride, and other suitable plastic materials.
  • the reinforcing rib fin material may also be other metallic materials and other flexible materials having a modulus of elasticity and strength much greater than that of plastic. For materials with a high welding temperature such as polyvinyl chloride, the lap joint may be bonded when wound.
  • the steel strip has a shape of a word, and a preferred embodiment is to design the steel strip into a shape of a metal, a T-shape, or the like, so as to ensure the depth of the steel strip, and the steel strip A part is embedded in the substrate, that is, the steel strip is fused in the substrate, which increases the strength of the rib.
  • the ribs are in a straight shape with a hemispherical head at the top, and may also be any suitable shape such as a race, a T, a tower, a hemisphere, a rugby, a gourd or the like.
  • the lap joints of the two ends of the strip and the adjacent strips are respectively an extension platform and an extension boss (ie, an engagement projection). That is to say, one side of the substrate extends with an extension platform, and the platform is provided with an extension boss, and the cylindrical extrusion welding material is joined by the protruding boss.
  • the joint surface of the protruding protrusion can adopt a plurality of zigzag shapes, the saw teeth are protruding protrusions, and the protruding protrusions increase the welding surface, thereby increasing the welding strength and the sealing property.
  • the protruding protrusion has a zigzag structure protruding or recessed into the engaging surface of the protruding platform, and the recess between the serrations forms an engaging groove, and the single serration of the zigzag shape may be triangular, rectangular, curved and other suitable In any of the shapes, the engaging projection and the engaging groove cooperate with each other to increase the welding surface and enhance the stability of the welding. During the welding process, the two portions can be engaged with each other to facilitate welding.
  • the engagement surface of the extension platform may be a flat surface or an engagement projection or engagement recess that cooperates with a zigzag or wave shape.
  • Appropriate gaps are provided between the mating engaging projections or the engaging recesses, and may be designed to match the bevels to eliminate mutual interference caused by misalignment of the strips during winding.
  • the mating engagement projections or engagement recesses can also be designed to seal the dissipated weld material and increase the sealing of the lap joint.
  • the overlapping edge of the joint surface of the protruding platform adopts a sloped surface, and the direction of the inclined surface (the force characteristic when the winding is pressed and pressed) is a convex surface protruding from the edge of the joint surface of the platform (requires pressing), and the protruding joint surface is extended
  • the bevel of the edge is concave (to be folded), so that the strips are firmly connected.
  • the elastic bevel can be elastically deformed to eliminate weld cracking or leakage caused by local stress concentration.
  • the outer surface of the engaging protrusion may also be provided with reinforcing ribs to enhance the strength and pressure bearing capacity of the joint, so that the joint weld is no longer the main bearing part, thereby avoiding stress concentration; the joint groove and convex between the strips
  • the centerline of the raised or sawtooth region may coincide with the centerline of the reinforcing rib profile or may be slightly offset.
  • the invention improves the original simple joint plane and proposes the design idea of the occlusal surface, so that the joint between the strips is more stable and reliable, the welding surface does not crack, and the welding strength and the pipe quality are ensured.
  • FIG. 1 is a schematic view of a prior art plastic steel wound pipe pipe
  • FIG. 2 is a schematic view of a prior art plastic steel wound pipe strip
  • Figure 3 is a schematic view of the prior art plastic steel wound pipe strip lap joint
  • Figure 4 is a cross-sectional view of the strip of the plastic steel wound pipe strip of the present invention
  • Figure 5 is a perspective view of the winding lap joint of the plastic steel wound pipe strip of the present invention.
  • Figure 6 is a schematic view showing the winding lap joint of the steel-wound pipe strip of the present invention.
  • Figure 7 is a cross-sectional view of a strip of the embodiment 2 of the plastic-steel-wound tube strip of the present invention.
  • Figure 8 is a schematic view showing the winding and lap joint of the steel-wound pipe strip of the present invention.
  • Figure 9 is a cross-sectional view showing a strip of Example 3 of a plastic-steel-wound tube strip of the present invention. detailed description
  • the strip body includes a substrate 30 and vertical reinforcing ribs 40 (i.e., ribs).
  • the reinforcing rib 40 includes a vertical metal reinforcing rib 401 and a plastic layer 402 covering the vertical metal reinforcing rib 401.
  • the plastic material is polyethylene and the metal material is steel strip.
  • the vertical metal reinforcing rib 401 has an inverted T-shaped cross section.
  • the reinforcing rib 40 has a hemispherical shape.
  • the lap joint portions of the strip ends and the adjacent strips are an extension platform 31 and an extension boss 32 (i.e., an engagement projection).
  • the joint surface of the projecting boss 32 is a recessed inverted trapezoidal groove 321 (i.e., an engaging groove), and the center of the groove 321 has two rectangular serrations 322, and the cylindrical extrusion welding material 3a is protruded from the boss 32.
  • the two rectangular serrations 322 of the recessed inverted trapezoidal grooves 321 are received; the inner width of the shallow groove formed by the pair of semi-bevel flanges 311 on the extension platform 31 is larger than the outer diameter of the cylindrical extrusion welding material 3a.
  • the matching bevel of the outer edge of the shallow groove formed by the half bevel (or bevel) flange 311 and the inverted trapezoidal groove 321 which is recessed on the projecting boss 32 can eliminate the misalignment of the strip during the winding process, and the blocking is blocked. Squeeze the weld material and increase the sealing of the lap joint.
  • the inner width of the groove 321 is larger than the outer width of the shallow groove formed by the flange 311.
  • the rectangular serration protrusion 322 in the center of the groove 321 extrudes the extrusion welding material, which can increase the contact area of the overlap, so that the tensile strength of the weld is greater than the tensile strength of the body, and the sealing property is stronger.
  • the flange and the concave cooperates in the winding process to eliminate mutual interference caused by misalignment when the strip is overlapped.
  • the cooperating engagement projections or engagement recesses can also be designed to seal the dissipated weld material and increase the sealing of the lap joint. .
  • the edge of the joint surface of the extension platform 31 and the projecting boss 32 is combined with the concave slope 323 by the convex inclined surface 312, so that the strips are firmly overlapped, and can be eliminated by elastic deformation when subjected to external pressure or impact. Cracks or leaks in the weld caused by local stress concentrations.
  • the overlapping edge of the joint surface of the protruding platform adopts a sloped surface, and the direction of the inclined surface (the force characteristic when the winding is pressed and pressed) is a convex surface protruding from the edge of the joint surface of the platform (which needs to be pressed), and the protruding joint surface is extended.
  • the bevel of the edge is concave (to be folded), so that the strips are firmly connected. When subjected to external pressure or impact, the elastic bevel can be elastically deformed to eliminate weld cracking or leakage caused by local stress concentration.
  • Figure 7 and Figure 8 are a second embodiment of a plastic-steel-wound tube strip of the present invention.
  • the protruding ribs 41 are provided with vertical reinforcing ribs 41, which can enhance the strength and pressure bearing capacity of the joint portion, and eliminate stress concentration at the weld seam.
  • Other structures are the same as those shown in FIG. 1 and will not be described again. .
  • Figure 9 is a third embodiment of the steel-wound tube strip of the present invention.
  • the plastic material is polyvinyl chloride and the metal material is a steel strip.
  • the cross section of the vertical metal reinforcing rib 20 is a cross section.
  • the joint surface of the projecting boss 12 is a raised triangular serration 121, and the joint surface of the projecting platform 11 is flat.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

The composite joining belt material is used for reinforcing steel belt of plastic-steel winding tube. The belt material at least has a belt body which comprises a base plate (30) and at least one ribbed plate (40). The ribbed plate is arranged vertically to the base plate. There is a steel belt (401) in the ribbed plate. And the ribbed plate is jointed on the base plate. There is a joining part set on one side of the base plate. The joining part is smooth surface structure. And the joining part has one joining convex (32) at least. An occlude surface design make the joining between belt materials more steady and reliable, as well as ensure the welding strength and the quality of the tube.

Description

用于塑钢缠绕管的钢带增强复合搭接带材 技术领域  Steel belt reinforced composite lap tape for plastic steel winding pipe
本发明涉及一种塑钢缠绕管， 尤其涉及一种塑钢缠绕管带材。 背景技术  The invention relates to a plastic steel winding pipe, in particular to a plastic steel wound pipe strip. Background technique
螺旋缠绕管道可利用塑料或塑钢复合的板、 带、 管及异型材通过专用或通用的缠绕设备 进行生产。 用作重力自流液体输送的缠绕管， 主要注重其承受外压或冲击的性能。 因此采用 各种结构壁管可在保持同样的性能指标下， 通过节省材料达到降低生产成本的目的。  Spiral-wound pipes can be produced from plastic or steel-composite sheets, strips, tubes and profiles by special or general winding equipment. It is used as a winding pipe for gravity self-flowing liquid transportation, mainly focusing on its ability to withstand external pressure or impact. Therefore, various structural wall tubes can be used to reduce production costs by saving materials while maintaining the same performance specifications.
塑钢复合材料则以弹性模量远超塑料的钢带作为管材的加强肋， 集钢、 塑两种材料的优 点于一身， 可有效减少了塑料用量， 进一步降低成本。 申请日为 2005年 7月 4日的中国专利 200520112528. 4公开了一种塑钢缠绕结构壁管道， 如图 1至图 3所示， 管材 2 由内层管壁构 成封闭的光滑流体通道， 管壁外表面为螺旋环绕的实心直肋结构。 所述管材 2的制造方法是 采用挤出的方式将聚乙烯塑料与钢带复合成异型带材 1， 再将带材 1通过缠绕搭接及挤出焊 接的形式制成管材 2。 带材 1包括基板 10及肋片 20， 肋片 20为钢带， 钢带外均匀包覆聚乙 烯， 基板 10为聚乙烯材料。 肋片 20垂直于基板 10。 将上述带材 1缠绕成塑钢缠绕管时， 基 板 10即构成管壁， 而肋片 20则是垂直于管壁向外螺旋延伸。 如图 3所示， 带材 1两端分别 为伸出平台 11和伸出凸台 12， 缠绕搭接时是将带材的端部处的伸出平台 11与相邻带材的伸 出凸台 12 ' 接合， 中间以熔融的挤出料对接合面进行焊接粘合。  The steel-plastic composite material uses the steel strip with a modulus of elasticity far exceeding that of the plastic as the reinforcing rib of the pipe. The advantages of combining steel and plastic materials can effectively reduce the amount of plastic and further reduce the cost. The Chinese patent 200520112528. 4 filed on July 4, 2005 discloses a plastic-steel-wound structural wall pipe. As shown in Figures 1 to 3, the pipe 2 is composed of an inner tube wall to form a closed smooth fluid passage, the pipe wall. The outer surface is a solid straight rib structure surrounded by a spiral. The pipe 2 is manufactured by extruding a polyethylene plastic and a steel strip into a profiled strip 1, and then forming the strip 1 into a tube 2 by means of winding lap joint and extrusion welding. The strip 1 comprises a substrate 10 and a rib 20, the rib 20 is a steel strip, the outer strip of the steel strip is uniformly coated with polyethylene, and the substrate 10 is made of a polyethylene material. The ribs 20 are perpendicular to the substrate 10. When the above-mentioned strip 1 is wound into a plastic-wound tube, the substrate 10 constitutes a tube wall, and the ribs 20 are spirally extended perpendicularly to the tube wall. As shown in FIG. 3, the two ends of the strip 1 are an extension platform 11 and an extension boss 12, respectively, which are the protruding protrusions at the end of the strip and the protruding protrusions of the adjacent strips. 12 ' Bonding, the joint is welded and bonded with molten extrudate in the middle.
因此， 带材的结构设计很关键， 设计时需考虑以下方面要求： 1 )保证管材的环刚度， 2 ) 易于缠绕成型、 不破带， 3 )接合部位焊接牢固， 不开裂、 不渗漏。 在带材缠绕过程中， 带材 的接合面之间除采取搭接焊的生产工艺外， 还需从结构设计上给予考虑。 增大焊接面， 增加 焊接强度， 增强密封性。  Therefore, the structural design of the strip is critical. The following requirements should be considered in the design: 1) to ensure the ring stiffness of the pipe, 2) easy to form and not break, 3) the joint is welded firmly, without cracking or leakage. In the strip winding process, in addition to the production process of lap welding, the joint faces of the strips need to be considered from the structural design. Increase the welding surface, increase the welding strength, and enhance the sealing.
上述专利申请所描述的结构， 虽然将肋片设计为钢带， 增加了管材的强度， 但是在接合 部仅仅设计了搭结部位， 这样在焊接时， 需要将这接合部固定才能焊接， 如果焊接不牢， 很 容易开裂， 发生渗漏。  The structure described in the above patent application, although the rib is designed as a steel strip, increases the strength of the pipe, but only the lap portion is designed at the joint, so that when welding, the joint needs to be fixed to be welded, if welding Not strong, it is easy to crack, and leakage occurs.
且该结构钢带呈片状埋设于肋片中， 会由于肋片的被破坏导致影响整个管材的环刚度。 发明内容  Moreover, the structural steel strip is embedded in the ribs in a sheet shape, which may affect the ring stiffness of the entire tube due to the destruction of the ribs. Summary of the invention
本发明的目的是提供一种改进的塑钢缠绕管带材结构，该结构能够形成稳定的焊接结构， 且焊接稳定牢固， 能够保证所形成管材的质量。 本发明的再一个目的是提供一种高强度的塑钢缠绕管带材搭接结构， 该结构改进了钢带 的设置方式， 提高了加强肋的强度， 从而提高了管材的环刚度， 且结构稳定， 不易被破坏。 SUMMARY OF THE INVENTION It is an object of the present invention to provide an improved steel-wound tubular strip structure which is capable of forming a stable welded structure and which is stable and strong in welding and capable of ensuring the quality of the formed tubing. Still another object of the present invention is to provide a high-strength steel-wound pipe strip lap joint structure, which improves the arrangement of the steel strip, improves the strength of the rib, thereby improving the loop stiffness of the pipe, and is structurally stable. , not easy to be destroyed.
基于上述目的， 本发明的技术方案是这样实现的：  Based on the above object, the technical solution of the present invention is implemented as follows:
一种用于塑钢缠绕管的钢带增强复合搭接带材， 该带材至少包括一带材单元， 所述带材 单元包括一基板和至少一个肋板， 肋板垂直于基板设置， 肋板中设置有钢带， 且肋板连接在 基板之上， 其特征在于基板的一侧设置有接合部， 接合部为一平整结构， 且接合部至少具有 一个接合凸起。  A steel strip reinforced composite lap tape for a plastic steel winding pipe, the tape material comprising at least one strip unit, the strip unit comprising a substrate and at least one rib plate, the rib plate being disposed perpendicular to the substrate, in the rib plate A steel strip is disposed, and the ribs are attached to the substrate, wherein one side of the substrate is provided with a joint portion, the joint portion is a flat structure, and the joint portion has at least one joint protrusion.
在带材单元接合时， 两个接合的带材单元， 一个带材单元的接合凸起与另外一个带材单 元的接合部， 在凸起挤散焊接料或增加粘合面积的作用下， 形成的焊接或粘合关系稳固， 不 会开裂。  When the strip unit is joined, the two joined strip units, the joint portion of one strip unit and the other strip unit, are formed by the protrusions squeezing the solder or increasing the bonding area. The soldering or bonding relationship is stable and will not crack.
所述接合部， 一个以上的接合凸起构成波浪状结构或者锯齿状结构， 能够有效地增加接 合凸起与接合部的摩擦力， 并能连续挤散焊接料或增加粘合面积， 使形成的焊接或粘合关系 稳固， 不会开裂。  The joint portion, the one or more joint protrusions constitute a wave-like structure or a saw-tooth structure, can effectively increase the frictional force of the joint protrusion and the joint portion, and can continuously squeeze the weld material or increase the joint area, so that the joint is formed The welding or bonding relationship is stable and will not crack.
所述接合部， 设置于基板的两侧， 每侧接合部都设置有至少一个接合凸起。  The joint portion is disposed on both sides of the substrate, and each side joint portion is provided with at least one joint protrusion.
上述接合部， 基板两侧的接合凸起设置呈交错关系， 便于两个带材单元进行接合， 同时 也使带材单元的拼接更稳固。  In the joint portion, the engaging projections on both sides of the substrate are arranged in a staggered relationship, which facilitates the joining of the two strip units and also makes the splicing of the strip unit more stable.
具体地说， 所述带材单元包括基板和至少一个垂直于基板， 并沿带材长度方向延伸的加 强肋 （即肋板）。 带材上的加强肋通常为多个（具体数量依据所加工管材的要求而设定， 通常 在 2-20之间）。 加强肋的数量不同， 带材的宽度也不同， 这样可保证不同管径管材的生产效 率。  Specifically, the strip unit includes a substrate and at least one reinforcing rib (i.e., a rib) that is perpendicular to the substrate and extends in the longitudinal direction of the strip. There are usually a plurality of reinforcing ribs on the strip (the specific number is set according to the requirements of the processed pipe, usually between 2 and 20). The number of reinforcing ribs is different, and the width of the strip is also different, which ensures the production efficiency of different pipe diameters.
基板材料为塑料， 加强肋肋片为钢带， 钢带外均匀包覆塑料。 塑料可以是聚乙烯、 聚丙 烯、 聚氯乙烯， 以及其他适用的塑料材料。 加强肋肋片材料也可以是其它金属材料以及弹性 模量和强度远大于塑料的其他挠性材料。 对聚氯乙烯等熔接温度较高的材料， 缠绕时搭接面 可采用粘结。  The substrate material is plastic, the reinforcing rib fins are steel strips, and the steel strip is evenly coated with plastic. The plastic can be polyethylene, polypropylene, polyvinyl chloride, and other suitable plastic materials. The reinforcing rib fin material may also be other metallic materials and other flexible materials having a modulus of elasticity and strength much greater than that of plastic. For materials with a high welding temperature such as polyvinyl chloride, the lap joint may be bonded when wound.
所述的钢带， 其形状为一字， 一种比较好的实施方式是将钢带设计成工字、 T 字形， 或 者其他类似的形状， 这样能够保证钢带埋设的深度， 且钢带有一部分埋设于基板中， 即钢带 融合于基板中， 增加了肋板的强度。  The steel strip has a shape of a word, and a preferred embodiment is to design the steel strip into a shape of a metal, a T-shape, or the like, so as to ensure the depth of the steel strip, and the steel strip A part is embedded in the substrate, that is, the steel strip is fused in the substrate, which increases the strength of the rib.
所述肋板的为顶部为半球头的一字形结构， 也可以是工字、 T形、 塔形、 半球、 橄榄球、 葫芦等任意适合的形状。  The ribs are in a straight shape with a hemispherical head at the top, and may also be any suitable shape such as a race, a T, a tower, a hemisphere, a rugby, a gourd or the like.
带材两端与相邻带材的缠绕搭接部位分别为伸出平台和伸出凸台（即接合凸起）。就是说， 基板的一侧延伸有伸出平台， 该平台上设置伸出凸台， 圆柱状挤出焊接料由伸出凸台的接合 面承接， 伸出凸台的接合面可采用多个锯齿形， 锯齿为伸出凸台， 伸出凸台增大焊接面， 增 加焊接强度和密封性。 The lap joints of the two ends of the strip and the adjacent strips are respectively an extension platform and an extension boss (ie, an engagement projection). That is to say, one side of the substrate extends with an extension platform, and the platform is provided with an extension boss, and the cylindrical extrusion welding material is joined by the protruding boss. The joint surface of the protruding protrusion can adopt a plurality of zigzag shapes, the saw teeth are protruding protrusions, and the protruding protrusions increase the welding surface, thereby increasing the welding strength and the sealing property.
上述伸出凸台， 其锯齿状结构可凸出也可凹进伸出平台的接合面， 锯齿之间的凹陷形成 接合凹槽， 锯齿形状的单个锯齿可以是三角形、 矩形、 弧形以及其他适合的任意一种形状， 接合凸起和接合凹槽互相配合， 增大焊接面， 增强焊接的稳固性， 在焊接过程中， 这两个部 分能够互相咬合， 便于焊接。  The protruding protrusion has a zigzag structure protruding or recessed into the engaging surface of the protruding platform, and the recess between the serrations forms an engaging groove, and the single serration of the zigzag shape may be triangular, rectangular, curved and other suitable In any of the shapes, the engaging projection and the engaging groove cooperate with each other to increase the welding surface and enhance the stability of the welding. During the welding process, the two portions can be engaged with each other to facilitate welding.
伸出平台的接合面可以是平面，也可做成与锯齿形或波浪形配合的接合凸起或接合凹槽。 相互配合的接合凸起或接合凹槽之间留有适当的间隙， 并可设计成配合斜面， 可在缠绕过程 中消除带材搭接时的错位造成的相互干涉。 相互配合的接合凸起或接合凹槽还可设计为封挡 被挤散的焊接料并增加搭接面的密封性。  The engagement surface of the extension platform may be a flat surface or an engagement projection or engagement recess that cooperates with a zigzag or wave shape. Appropriate gaps are provided between the mating engaging projections or the engaging recesses, and may be designed to match the bevels to eliminate mutual interference caused by misalignment of the strips during winding. The mating engagement projections or engagement recesses can also be designed to seal the dissipated weld material and increase the sealing of the lap joint.
伸出平台的接合面的搭接边缘采用斜面， 斜面的方向 （按缠绕压合时的受力特点） 是伸 出平台接合面边缘的斜面外凸 （需压合）， 伸出凸台接合面边缘的斜面内凹 （需榫合）， 使带 材之间搭接牢固。 在承受外压或冲击时， 榫合的斜面间可通过弹性变形来消除局部应力集中 造成的焊缝开裂或渗漏。 接合凸起的外表面还可以设置加强肋， 增强接合部位的强度和承压 能力， 使接合焊缝处不再作为主要承力部位， 从而避免应力集中； 带材之间的接合凹槽、 凸 起或锯齿区域的中线可与该加强肋剖面中线重合， 也可略有偏移。  The overlapping edge of the joint surface of the protruding platform adopts a sloped surface, and the direction of the inclined surface (the force characteristic when the winding is pressed and pressed) is a convex surface protruding from the edge of the joint surface of the platform (requires pressing), and the protruding joint surface is extended The bevel of the edge is concave (to be folded), so that the strips are firmly connected. When subjected to external pressure or impact, the elastic bevel can be elastically deformed to eliminate weld cracking or leakage caused by local stress concentration. The outer surface of the engaging protrusion may also be provided with reinforcing ribs to enhance the strength and pressure bearing capacity of the joint, so that the joint weld is no longer the main bearing part, thereby avoiding stress concentration; the joint groove and convex between the strips The centerline of the raised or sawtooth region may coincide with the centerline of the reinforcing rib profile or may be slightly offset.
本发明将原有单纯的接合平面进行了改进设计， 提出了咬合面的设计思路， 从而使带材 之间的接合更加稳固可靠， 焊接面不会开裂， 保证了焊接强度及管材质量。  The invention improves the original simple joint plane and proposes the design idea of the occlusal surface, so that the joint between the strips is more stable and reliable, the welding surface does not crack, and the welding strength and the pipe quality are ensured.
且通过将肋板中的钢带延伸设置于基板中， 强化了肋板的强度， 使肋板不易被破坏， 提 高了管材的环刚度。 附图说明  Moreover, by extending the steel strip in the rib plate in the substrate, the strength of the rib is strengthened, the rib is not easily broken, and the ring rigidity of the pipe is improved. DRAWINGS
图 1为现有技术塑钢缠绕管管材示意图，  1 is a schematic view of a prior art plastic steel wound pipe pipe,
图 2为现有技术塑钢缠绕管带材示意图，  2 is a schematic view of a prior art plastic steel wound pipe strip,
图 3为现有技术塑钢缠绕管带材搭接示意图，  Figure 3 is a schematic view of the prior art plastic steel wound pipe strip lap joint,
图 4为本发明塑钢缠绕管带材实施例 1带材截面图，  Figure 4 is a cross-sectional view of the strip of the plastic steel wound pipe strip of the present invention
图 5为本发明塑钢缠绕管带材实施例 1缠绕搭接***图，  Figure 5 is a perspective view of the winding lap joint of the plastic steel wound pipe strip of the present invention;
图 6为本发明塑钢缠绕管带材实施例 1缠绕搭接示意图，  Figure 6 is a schematic view showing the winding lap joint of the steel-wound pipe strip of the present invention;
图 7为本发明塑钢缠绕管带材的实施例 2带材截面图，  Figure 7 is a cross-sectional view of a strip of the embodiment 2 of the plastic-steel-wound tube strip of the present invention,
图 8为本发明塑钢缠绕管带材实施例 2缠绕搭接示意图，  Figure 8 is a schematic view showing the winding and lap joint of the steel-wound pipe strip of the present invention;
图 9为本发明塑钢缠绕管带材的实施例 3带材截面图。 具体实施方式 Figure 9 is a cross-sectional view showing a strip of Example 3 of a plastic-steel-wound tube strip of the present invention. detailed description
下面结合附图所示， 对本发明的实施做详细说明。  The implementation of the present invention will be described in detail below with reference to the accompanying drawings.
附图 4至附图 6是本发明塑钢缠绕管带材的实施例 1。  4 to 6 are a first embodiment of the steel-wound tube tape of the present invention.
带材本体包括基板 30和竖直加强肋 40 (即肋板）。加强肋 40包括竖直金属加强肋片 401 和包覆竖直金属加强肋片 401 的塑料层 402。 在本实施例中， 塑料材料为聚乙烯， 金属材料 为钢带。 竖直金属加强肋片 401的横截面为倒 T形截面。 加强肋 40的外形为半球头一字形。  The strip body includes a substrate 30 and vertical reinforcing ribs 40 (i.e., ribs). The reinforcing rib 40 includes a vertical metal reinforcing rib 401 and a plastic layer 402 covering the vertical metal reinforcing rib 401. In this embodiment, the plastic material is polyethylene and the metal material is steel strip. The vertical metal reinforcing rib 401 has an inverted T-shaped cross section. The reinforcing rib 40 has a hemispherical shape.
带材两端与相邻带材的缠绕搭接部位分别为伸出平台 31和伸出凸台 32 (即接合凸起）。 伸出凸台 32的接合面采用凹进的倒梯形凹槽 321 (即接合凹槽）， 凹槽 321中央有 2个矩形 锯齿凸起 322， 圆柱状挤出焊接料 3a由伸出凸台 32上凹进的倒梯形凹槽 321中的 2个矩形 锯齿凸起 322承接；伸出平台 31上成对半斜面凸缘 311形成的浅槽内宽大于圆柱状挤出焊接 料 3a的外径， 成对半斜面 （或斜面） 凸缘 311形成的浅槽外缘与伸出凸台 32上凹进的倒梯 形凹槽 321的配合斜面可在缠绕过程消除带材搭接时的错位、 封挡被挤散的焊接料并增加搭 接面的密封性。 凹槽 321的内宽大于凸缘 311形成的浅槽外宽。 凹槽 321中央的矩形锯齿凸 起 322挤压挤出焊接料， 可增加搭接的接触面积， 使焊缝拉伸强度大于本体的拉伸强度， 且 密封性更强， 总之， 凸缘与凹槽的斜面配合在缠绕过程中消除带材搭接时的错位造成的相互 干涉。 相互配合的接合凸起或接合凹槽还可设计为封挡被挤散的焊接料并增加搭接面的密封 性。。  The lap joint portions of the strip ends and the adjacent strips are an extension platform 31 and an extension boss 32 (i.e., an engagement projection). The joint surface of the projecting boss 32 is a recessed inverted trapezoidal groove 321 (i.e., an engaging groove), and the center of the groove 321 has two rectangular serrations 322, and the cylindrical extrusion welding material 3a is protruded from the boss 32. The two rectangular serrations 322 of the recessed inverted trapezoidal grooves 321 are received; the inner width of the shallow groove formed by the pair of semi-bevel flanges 311 on the extension platform 31 is larger than the outer diameter of the cylindrical extrusion welding material 3a. The matching bevel of the outer edge of the shallow groove formed by the half bevel (or bevel) flange 311 and the inverted trapezoidal groove 321 which is recessed on the projecting boss 32 can eliminate the misalignment of the strip during the winding process, and the blocking is blocked. Squeeze the weld material and increase the sealing of the lap joint. The inner width of the groove 321 is larger than the outer width of the shallow groove formed by the flange 311. The rectangular serration protrusion 322 in the center of the groove 321 extrudes the extrusion welding material, which can increase the contact area of the overlap, so that the tensile strength of the weld is greater than the tensile strength of the body, and the sealing property is stronger. In short, the flange and the concave The beveled surface of the groove cooperates in the winding process to eliminate mutual interference caused by misalignment when the strip is overlapped. The cooperating engagement projections or engagement recesses can also be designed to seal the dissipated weld material and increase the sealing of the lap joint. .
伸出平台 31和伸出凸台 32接合面的边缘采用外凸斜面 312与内凹斜面 323榫合， 使带 材之间搭接牢固， 在承受外压或冲击时， 还可通过弹性变形来消除局部应力集中造成的焊缝 开裂或渗漏。 伸出平台的接合面的搭接边缘采用斜面， 斜面的方向 （按缠绕压合时的受力特 点）是伸出平台接合面边缘的斜面外凸（需压合），伸出凸台接合面边缘的斜面内凹（需榫合）， 使带材之间搭接牢固。 在承受外压或冲击时， 榫合的斜面间可通过弹性变形来消除局部应力 集中造成的焊缝开裂或渗漏。  The edge of the joint surface of the extension platform 31 and the projecting boss 32 is combined with the concave slope 323 by the convex inclined surface 312, so that the strips are firmly overlapped, and can be eliminated by elastic deformation when subjected to external pressure or impact. Cracks or leaks in the weld caused by local stress concentrations. The overlapping edge of the joint surface of the protruding platform adopts a sloped surface, and the direction of the inclined surface (the force characteristic when the winding is pressed and pressed) is a convex surface protruding from the edge of the joint surface of the platform (which needs to be pressed), and the protruding joint surface is extended. The bevel of the edge is concave (to be folded), so that the strips are firmly connected. When subjected to external pressure or impact, the elastic bevel can be elastically deformed to eliminate weld cracking or leakage caused by local stress concentration.
附图 7和附图 8是本发明塑钢缠绕管带材的实施例 2。 在该实施方式中， 伸出凸台 32上 设置了垂直加强肋 41， 可增强接合部位的强度和承压能力， 排除焊缝处的应力集中， 其它结 构与图 1所示相同， 不再赘述。  Figure 7 and Figure 8 are a second embodiment of a plastic-steel-wound tube strip of the present invention. In this embodiment, the protruding ribs 41 are provided with vertical reinforcing ribs 41, which can enhance the strength and pressure bearing capacity of the joint portion, and eliminate stress concentration at the weld seam. Other structures are the same as those shown in FIG. 1 and will not be described again. .
附图 9是本发明塑钢缠绕管带材的实施例 3。 在本实施例中， 塑料材料为聚氯乙烯， 金 属材料为钢带。 竖直金属加强肋 20的横截面为一字形截面。 伸出凸台 12的接合面采用凸起 的三角形锯齿 121， 伸出平台 11的接合面为平面。  Figure 9 is a third embodiment of the steel-wound tube strip of the present invention. In this embodiment, the plastic material is polyvinyl chloride and the metal material is a steel strip. The cross section of the vertical metal reinforcing rib 20 is a cross section. The joint surface of the projecting boss 12 is a raised triangular serration 121, and the joint surface of the projecting platform 11 is flat.
在该实施方式中， 其余结构与图 1所示相同， 故不再赘述。  In this embodiment, the rest of the structure is the same as that shown in FIG. 1, and therefore will not be described again.

Claims

权利要求书 Claim
1、 一种用于塑钢缠绕管的钢带增强复合搭接带材， 该带材至少包括一带材单元， 所述带 材单元包括一基板和至少一个肋板， 肋板垂直于基板设置， 肋板中设置有钢带， 且肋板连接 在基板之上， 其特征在于基板的一侧设置有接合部， 接合部为一平整结构， 且接合部至少具 有一个接合凸起。  What is claimed is: 1. A steel strip reinforced composite lap joint for a steel-wound tube, the strip comprising at least one strip unit, the strip unit comprising a substrate and at least one rib, the ribs being disposed perpendicular to the substrate, the rib A steel strip is disposed in the plate, and the rib is connected to the substrate, wherein the one side of the substrate is provided with a joint portion, the joint portion is a flat structure, and the joint portion has at least one joint protrusion.
2、如权利要求 1所述的用于塑钢缠绕管的钢带增强复合搭接带材， 其特征在于所述接合 部， 是由一个以上的接合凸起构成波浪状结构或者锯齿状结构。  A steel strip reinforced composite lap joint for a steel-wound tube according to claim 1, wherein said joint portion is formed of a wavy structure or a zigzag structure by one or more joint projections.
3、如权利要求 1所述的用于塑钢缠绕管的钢带增强复合搭接带材， 其特征在于所述接合 部， 设置于基板的两侧， 每侧接合部都设置有至少一个接合凸起。  A steel strip reinforced composite lap joint for a steel-wound tube according to claim 1, wherein said joint portion is provided on both sides of the substrate, and each side joint portion is provided with at least one joint convex portion. Start.
4、如权利要求 3所述的用于塑钢缠绕管的钢带增强复合搭接带材， 其特征在于上述接合 部， 基板两侧的接合凸起设置呈交错关系。  A steel strip reinforced composite lap joint for a steel-wound tube according to claim 3, wherein said joint portion has engaging projections on both sides of the substrate in a staggered relationship.
5、如权利要求 1所述的用于塑钢缠绕管的钢带增强复合搭接带材， 其特征在于所述的肋 板， 其为钢带， 其形状为工字、 T字形的任意一种， 且钢带有一部分埋设于基板中。  The steel strip reinforced composite lap joint for a steel-wound tube according to claim 1, wherein the rib is a steel strip, and the shape thereof is any one of a shape of a letter and a T-shape. And a portion of the steel is embedded in the substrate.
6、如权利要求 1所述的用于塑钢缠绕管的钢带增强复合搭接带材， 其特征在于基板的一 侧延伸有伸出平台， 该平台上设置伸出凸台， 圆柱状挤出焊接料由伸出凸台的接合面承接， 伸出凸台的接合面具有一个以上的锯齿形， 锯齿为伸出凸台， 伸出凸台增大焊接面。  6. The steel strip reinforced composite lap joint for a steel-wound tube according to claim 1, wherein one side of the substrate extends with an extension platform, and the platform is provided with an overhanging boss and a cylindrical extrusion. The welding material is received by the joint surface of the projecting boss, and the joint surface of the projecting boss has more than one zigzag shape, the saw tooth is an extended boss, and the protruding boss extends the welding surface.
7、如权利要求 6所述的用于塑钢缠绕管的钢带增强复合搭接带材， 其特征在于上述伸出 凸台， 其锯齿状结构凸出或凹进伸出平台的接合面， 锯齿之间的凹陷形成接合凹槽， 锯齿形 状的单个锯齿可以是三角形、 矩形、 弧形以及其他适合的任意一种形状， 接合凸起和接合凹 槽互相配合。  A steel strip reinforced composite lap joint for a steel-wound tube according to claim 6, wherein said protruding boss has a zigzag structure protruding or recessed into a joint surface of the extending platform, serration The recess between them forms an engaging groove, and the single serration of the zigzag shape may be a triangle, a rectangle, an arc, and any other suitable shape, and the engaging projection and the engaging recess cooperate with each other.
8、如权利要求 6所述的用于塑钢缠绕管的钢带增强复合搭接带材， 其特征在于伸出平台 的接合面是锯齿形或波浪形配合的接合凸起或接合凹槽， 相互配合的接合凸起或接合凹槽之 间留有适当的间隙， 并设计成配合斜面。  A steel strip reinforced composite lap joint for a steel-wound tube according to claim 6, wherein the joint surface of the projecting platform is a zigzag or wavy-fit joint projection or engaging groove, mutual A suitable gap is left between the mating engagement projections or the engagement recesses and is designed to fit the ramp.
9、如权利要求 8所述的用于塑钢缠绕管的钢带增强复合搭接带材， 其特征在于伸出平台 的接合面的搭接边缘采用斜面， 斜面的方向是伸出平台接合面边缘的斜面外凸， 伸出凸台接 合面边缘的斜面内凹。  9. A steel strip reinforced composite lap joint for a steel-wound tube according to claim 8, wherein the lap joint edge of the extension platform adopts a sloped surface, and the direction of the slope is the edge of the platform joint surface. The inclined surface is convex, and the inclined surface extending from the edge of the engaging surface of the boss is concave.
10、 如权利要求 7所述的用于塑钢缠绕管的钢带增强复合搭接带材， 其特征在于接合凸 起的外表面还可以设置加强肋， 增强接合部位的强度和承压能力； 带材之间的接合凹槽、 接 合凸起或锯齿区域的中线与该加强肋剖面中线重合， 或与该加强肋剖面中线有适当的偏移。  10. The steel strip reinforced composite lap tape for a steel-wound tube according to claim 7, wherein the outer surface of the joint protrusion is further provided with a reinforcing rib to enhance the strength and pressure bearing capacity of the joint portion; The center line of the engaging groove, the engaging projection or the sawtooth area between the materials coincides with the center line of the reinforcing rib section, or is appropriately offset from the center line of the reinforcing rib section.
PCT/CN2010/078169 2009-11-05 2010-10-27 Composite joining belt material for reinforcing steel belt of plastic-steel winding tube WO2011054266A1 (en)

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