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WO2017107786A1 - 一种用于竹缠绕复合管的管件 - Google Patents

一种用于竹缠绕复合管的管件 Download PDF

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Publication number
WO2017107786A1
WO2017107786A1 PCT/CN2016/109201 CN2016109201W WO2017107786A1 WO 2017107786 A1 WO2017107786 A1 WO 2017107786A1 CN 2016109201 W CN2016109201 W CN 2016109201W WO 2017107786 A1 WO2017107786 A1 WO 2017107786A1
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WIPO (PCT)
Prior art keywords
pipe
bamboo
pipe fitting
fitting
wound composite
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PCT/CN2016/109201
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English (en)
French (fr)
Inventor
叶柃
朱鑫
张淑娴
牛琳
Original Assignee
浙江鑫宙竹基复合材料科技有限公司
叶柃
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Application filed by 浙江鑫宙竹基复合材料科技有限公司, 叶柃 filed Critical 浙江鑫宙竹基复合材料科技有限公司
Publication of WO2017107786A1 publication Critical patent/WO2017107786A1/zh

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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
    • 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
    • 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
    • F16L25/00—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00
    • F16L25/14—Joints for pipes of different diameters or cross-section
    • 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
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted
    • 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
    • F16L43/00—Bends; Siphons

Definitions

  • the utility model belongs to the field of pipe fittings, and more particularly to a pipe fitting for a bamboo wound composite pipe.
  • the bamboo-wound composite pipe is a new type of pressure product made of bamboo as the base material and thermosetting resin as the adhesive and adopting the winding process.
  • the composite pipe has high compressive strength, good rigidity, insulation, corrosion resistance and good water flow performance. Light weight, easy installation, low cost and long service life, it can be widely used in urban water supply and drainage, water conservancy, farmland irrigation, petroleum wastewater treatment, industrial circulating water and other fields.
  • the length of the prepared pipe is limited by the length of the die, which is generally 12 meters.
  • the length of the pipe is small. A few hundred meters, many thousands or tens of thousands of meters.
  • the utility model provides a pipe fitting for a bamboo-wound composite pipe, wherein a pipe fitting suitable for connecting a bamboo-wound composite pipe is designed correspondingly with the structural characteristics of the bamboo-wound composite pipe.
  • the effective connection between the bamboo-wound composite pipes is realized to overcome the defects of limited length, so that it is suitable for long-distance transportation of petroleum, water and the like.
  • the utility model provides a pipe fitting for a bamboo-wound composite pipe, which is formed by splicing two or more pipe fittings, each pipe fitting is tubular, radially from inside to outside.
  • a pipe fitting for a bamboo-wound composite pipe which is formed by splicing two or more pipe fittings, each pipe fitting is tubular, radially from inside to outside.
  • the inner liner layer is composed of a fabric and a preservative resin
  • the structural layer is formed by winding a bamboo crucible and a resin
  • the outer protective layer is anti-corrosion prevention. Water-based paint, and the splicing of the two pipe fittings is wound with a glass fiber fabric impregnated with resin.
  • the end portion of the tube member connected to the bamboo-wound composite tube is provided with a flange.
  • the tubular member is an elbow, a tee joint or a reducer.
  • the elbow comprises a first pipe fitting, a second pipe fitting and a third pipe fitting which are both straight pipes and have the same nominal diameter, the first pipe fitting, the second pipe fitting and the third pipe fitting Splicing in sequence, one end of the first tube fitting and the third tube fitting are planes perpendicular to the axis thereof, and the other end is a slope intersecting the axis thereof; the two ends of the second tube fitting are inclined surfaces, the two The inclined faces of the ends are respectively obliquely facing the first pipe fitting and the third pipe fitting.
  • the nominal diameter of the first pipe fitting and the third pipe fitting is the same as the nominal diameter of the bamboo-wound composite pipe to which it is attached.
  • the deflection angle of the elbow is a, the deflection angle a being equal to 180° minus the angle between the first pipe fitting axis and the third pipe fitting axis, which is 90°, 60° or 45°.
  • the second pipe fitting is composed of two joint sub-parts having a number of seams of three.
  • the tee fitting comprises two tube fittings, both of which are straight tubes, one of which is provided on the side of the other tube fitting.
  • the reducer comprises two pipe fittings, one of which is a straight pipe and the other is a reducer pipe, and the straight pipe is spliced with the small diameter end or the large diameter end of the reducer pipe.
  • the reducer comprises three pipe fittings, wherein one pipe fitting is a reducer pipe and the other two are straight pipes, and the two straight pipes are respectively connected with the large diameter end of the reducer pipe and Small diameter end stitching.
  • the utility model correspondingly designs a pipe fitting suitable for connecting a bamboo-wound composite pipe, the pipe fitting is formed by splicing a plurality of pipe fittings, and the plurality of pipe fittings are all made of bamboo.
  • the winding process is prepared, and the glass fiber fabric impregnated with the resin is wound and fixed at the interface of the pipe fitting to further improve the lap joint strength between the pipe fittings, and the pipe fitting of the above structure can be realized between the bamboo-wound composite pipe by design.
  • Reliable connection makes it suitable for long distance transport.
  • the utility model also designs different pipe fittings, such as elbows, three-way joints and different diameter pipes, for different application occasions of the pipe fittings, and can prepare pipe fittings of different sizes and sizes to meet different demands, and improve the pipe fittings. applicability.
  • Figure 1 is a schematic view showing the structure of an elbow having a deflection angle of 60°;
  • Figure 2 is a schematic view of the elbow structure with a deflection angle of 90°
  • Figure 3 is a schematic view showing the structure of a three-way joint having the same nominal diameter
  • Figure 4 is a schematic view showing the structure of a three-way joint having different nominal diameters
  • Figure 5 is a schematic view showing the structure of a reducer including two pipe fittings
  • Figure 6 is a schematic view showing the structure of a reducer including three pipe fittings.
  • the utility model provides a pipe fitting for a bamboo-wound composite pipe, which is formed by splicing two or more pipe fittings, each pipe fitting is tubular, and the inner radial layer includes an inner lining layer from the inside to the outside.
  • a structural layer and an outer protective layer the inner liner layer is composed of a fabric and a preservative resin
  • the structural layer is formed by winding a bamboo crucible and a resin
  • the outer protective layer is an anticorrosive waterproof coating, that is, each pipe fitting is
  • the manufacturing process is the same as that of the bamboo-wound composite pipe, which is made of bamboo as a base material, a thermosetting resin as an adhesive, and a winding process, and the splicing portions of the two pipe fittings are wound and fixed by a glass fiber fabric impregnated with resin.
  • the end of the pipe member connected to the bamboo-wound composite pipe is provided with a flange for connecting with the bamboo-wound composite pipe through a flange.
  • the pipe fitting of the utility model is specifically an elbow, a three-way joint or a reducer.
  • the elbow includes a first pipe fitting 1, a second pipe fitting 2, and a third pipe fitting 3, both of which are straight pipes and have the same nominal diameter, the first pipe fitting 1, the second pipe fitting 2, and
  • the third pipe fittings 3 are sequentially spliced, and the first pipe fitting 1 and the third pipe fitting 3 are respectively connected to the bamboo-wound composite pipe to be connected, and the first pipe fitting 1 and the third pipe fitting 3 have the same structure, both of which are one end with themselves a plane perpendicular to the axis, the other end is a slope intersecting the axis of the axis, and the two are connected by the second pipe fitting 2, the nominal diameter of the first pipe fitting 1 and the third pipe fitting 3 and the nominal name of the bamboo-wound composite pipe to which it is connected
  • the two ends of the second tube fitting 2 are inclined surfaces, and the inclined surfaces of the two end portions are respectively obliquely facing the first tube fitting 1 and the third tube fitting 3 to realize the first tube fitting 1 and the first Reliable connection of the three
  • the outer diameter of the elbow is related to its nominal diameter, pressure rating, etc. The dimensions and deviations are shown in Table 1.
  • the deflection angle a is the deflection angle of the elbow axis, and the deflection angle a is 90°, 60° or 45°, which is equal to 180° minus the angle between the first pipe fitting 1 axis and the third pipe fitting 3 axis.
  • elbows of different specifications can be prepared. As shown in FIG. 1, when the deflection angle a is 60° or 45°, the number of elbow parts is three of the first pipe fitting 1, the second pipe fitting 2, and the third pipe fitting 3, and the number of seams of the elbow is as shown in FIG. 2; as shown in FIG.
  • the second pipe fitting 2 is composed of two connecting sub-assemblies 4, that is, the number of elbow parts is 4, and the number of seams of the elbow is 3.
  • the deflection angle a does not exceed 0.5°, and if it is other types, it is 1°.
  • the radius of curvature R of the elbow should not be less than the nominal size DN of the pipe to which the elbow is connected in the pipe system, which is 1.5 DN in this embodiment.
  • the components in the elbow must be of sufficient length to allow them to be connected to one another and to ensure that the outer reinforcing material can be easily bonded and secured.
  • the incisions of the elbow parts shall not be exposed, and the resin mortar with a thickness greater than 1.5 mm shall be wrapped.
  • the seams of all joints must be filled with resin mortar before entering. Row bonding reinforcement, the length of the elbow depends on the design angle, radius of curvature and additional length to provide a connection or other purpose.
  • the laying length L of the elbow is the center S of one end face of the elbow, along the axis direction of the end face of the elbow, and the end point is the intersection point P of the axis with the axis of the other end face of the elbow, that is, an end face of the elbow.
  • the distance from the center point S to the intersection point P of the first pipe fitting 1 axis and the third pipe fitting 3 axis, the allowable deviation value of the laying length L is ⁇ 15 ⁇ the number of seams in the elbow.
  • the starting point length L B of the elbow is the intersection point P of the axes of the end faces of the elbow, and the end point is on one of the axes, the length of which is equal to the laying length L minus the connecting length L 1 .
  • the minimum value of the body length L B is as shown in Table 2, which is determined by the geometry of the member. In actual installation work, it is necessary to further increase the length of the body to provide sufficient length for the external entanglement at the mitered joint and the joint.
  • the three-way joint includes two pipe fittings, one of which is disposed on the side of the other pipe fitting, and the nominal diameters of the two pipe fittings may be the same or different.
  • ⁇ is the three-way angle
  • B is the three-way branch pipe laying length
  • B B is the three-way branch pipe length
  • Bi is the three-way branch pipe connection length
  • L is the three-way main pipe laying length
  • L B is the three-way main pipe length
  • Li Connect the length for the tee supervisor.
  • the outer diameter of the three-way joint is related to its nominal diameter, pressure rating, etc.
  • the values of the dimensions and deviations are also shown in Table 1.
  • the three-way angle ⁇ is allowed to deviate by no more than ⁇ 0.5°, and when other joint types are used, it is not more than ⁇ 1°.
  • the value of the three-way main body length LB is shown in Table 3.
  • the length of the three-way branch pipe BB is the end face centroid of the three-way branch pipe (if there is a socket, the insertion depth is not included) to the length of the intersection of the three-way main pipe axis and the branch pipe axis, and the length of the three-way branch pipe is 50% of the main body length.
  • the length L of the main pipe is equal to the length LB of the main body plus the insertion length at the socket; for the tee of the double socket, the laying length L of the main pipe is equal to the length LB of the main body plus two The insertion depth of Li is doubled.
  • the reducer includes two pipe fittings, one of which is a straight pipe and the other is a reducer pipe, and the straight pipe is spliced with the small diameter end or the large diameter end of the reducer.
  • the reducer includes three pipe fittings, one of which is a reducer and the other two are straight pipes, and the two straight pipes respectively have a large diameter end and a small diameter of the reducer. End stitching.
  • the tolerance of the diameter of the reducer at the socket meets the requirements of Table 1, and the size of the reducer conforms to Table 4.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Branch Pipes, Bends, And The Like (AREA)

Abstract

一种用于竹缠绕复合管的管件，该管件由两个或两个以上管配件拼接而成，每个管配件均由竹篾和树脂缠绕而成，且两个管配件的拼接处采用浸有树脂的玻璃纤维织物缠绕固定，所述管件为弯头、三通接头或异径管。并根据竹缠绕复合管的结构特点，设计了适用于连接竹缠绕复合管的管件，该管件由多个管配件拼接而成，多个管配件均由竹缠绕工艺制备，并在管配件的接口处采用浸有树脂的玻璃纤维织物缠绕固定，进一步提高管配件之间的搭接强度，通过设计获得的上述结构的管件可实现竹缠绕复合管之间的可靠连接，使其适用于长距离运输，连接可靠，成本低。

Description

一种用于竹缠绕复合管的管件 [技术领域]
本实用新型属于管配件领域，更具体地，涉及一种用于竹缠绕复合管的管件。
[背景技术]
竹缠绕复合管是一种以竹材为基体材料，以热固性树脂为胶粘剂，采用缠绕工艺制成的新型压力产品，该复合管具有耐压强度高、刚度好、绝缘、耐腐、水流性能佳、重量轻、安装方便、成本低廉、使用寿命长等特性，可广泛应用于城市给排水、水利、农田灌溉、石油污水处理、工业循环水等领域。
竹缠绕复合管在制备过程中，受模具长度尺寸的影响，制备的管道的长度有限，一般为12米，而在实际运用过程中，例如用于排水、农田灌溉等，其布管长度少则几百米，多则几千或上万米。为了满足实际需要，需研究一种适用于竹缠绕复合管的管件，用以实现竹缠绕复合管之间的有效连接，以克服其长度有限的缺陷，使其适用于石油、水等的远距离输送。
[实用新型内容]
针对现有技术的以上缺陷或改进需求，本实用新型提供了一种用于竹缠绕复合管的管件，其中结合竹缠绕复合管的结构特点，相应设计了适用于连接竹缠绕复合管的管件，实现竹缠绕复合管之间的有效连接，以克服其长度有限的缺陷，使其适用于石油、水等的远距离输送。
为实现上述目的，本实用新型提出了一种用于竹缠绕复合管的管件，该管件由两个或两个以上管配件拼接而成，每个管配件均呈管状，径向由内至外依次包括内衬层、结构层和外防护层，所述内衬层是由织物和防腐树脂构成，所述结构层是由竹篾和树脂缠绕而成，所述外防护层是防腐防 水涂料，且两个管配件的拼接处采用浸有树脂的玻璃纤维织物缠绕固定。
作为进一步优选的，所述管件与竹缠绕复合管相连接的端部设置有法兰。
作为进一步优选的，所述管件为弯头、三通接头或异径管。
作为进一步优选的，所述弯头包括均为直管且公称直径相同的第一管配件、第二管配件和第三管配件，所述第一管配件、第二管配件和第三管配件依次拼接，所述第一管配件和第三管配件的一端均为与自身轴线垂直的平面，另一端为与自身轴线相交的斜面；所述第二管配件的两端均为斜面，该两端的斜面分别与所述第一管配件和第三管配件的斜面对接。
作为进一步优选的，所述第一管配件、第三管配件的公称直径与其所连接的竹缠绕复合管的公称直径相同。
作为进一步优选的，所述弯头的偏转角为a，该偏转角a等于180°减去第一管配件轴线和第三管配件轴线的夹角，其为90°、60°或45°。
作为进一步优选的，当偏转角a为90°时，第二管配件由两个连接分部件组成，所述管件的接缝数为3。
作为进一步优选的，所述三通接头包括两个管配件，所述两个管配件均为直管，其中一个管配件设于另一个管配件的侧面。
作为进一步优选的，所述异径管包括两个管配件，其中一个管配件为直管，另一个为变径管，所述直管与所述变径管的小径端或大径端拼接。
作为进一步优选的，所述异径管包括三个管配件，其中一个管配件为变径管，另两个为直管，所述两个直管分别与所述变径管的大径端和小径端拼接。
总体而言，通过本实用新型所构思的以上技术方案与现有技术相比，主要具备以下的技术优点：
1.本实用新型根据竹缠绕复合管的结构特点，相应设计了适用于连接竹缠绕复合管的管件，该管件由多个管配件拼接而成，多个管配件均由竹 缠绕工艺制备，并在管配件的接口处采用浸有树脂的玻璃纤维织物缠绕固定，进一步提高管配件之间的搭接强度，通过设计获得的上述结构的管件可实现竹缠绕复合管之间的可靠连接，使其适用于长距离运输。
2.本实用新型还针对管件不同的应用场合，设计了不同结构的管件，如弯头、三通接头、异径管等，可制备出满足不同需求的不同尺寸规格的管件，提高了管件的适用性。
[附图说明]
图1是偏转角为60°的弯头结构示意图；
图2是偏转角为90°的弯头结构示意图；
图3是公称直径相同的三通接头结构示意图；
图4是公称直径不同的三通接头结构示意图；
图5是包括两个管配件的异径管结构示意图；
图6是包括三个管配件的异径管结构示意图。
[具体实施方式]
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。此外，下面所描述的本实用新型各个实施方式中所涉及到的技术特征只要彼此之间未构成冲突就可以相互组合。
本实用新型提供的一种用于竹缠绕复合管的管件，其由两个或两个以上管配件拼接而成，每个管配件均呈管状，径向由内至外依次包括内衬层、结构层和外防护层，所述内衬层是由织物和防腐树脂构成，所述结构层是由竹篾和树脂缠绕而成，所述外防护层是防腐防水涂料，即每个管配件均与竹缠绕复合管的制作工艺相同，是以竹材为基材，以热固性树脂为胶粘剂，采用缠绕工艺制成，且两个管配件的拼接处采用浸有树脂的玻璃纤维织物缠绕固定。
所述管件与竹缠绕复合管相连接的端部设置有法兰，用以与竹缠绕复合管通过法兰连接。
本实用新型的管件具体为弯头、三通接头或异径管。
如图1-2所示，弯头包括均为直管且公称直径相同的第一管配件1、第二管配件2和第三管配件3，第一管配件1、第二管配件2和第三管配件3依次拼接，第一管配件1和第三管配件3分别与待连接的竹缠绕复合管相连，第一管配件1和第三管配件3结构相同，均是一端为与自身轴线垂直的平面，另一端为与自身轴线相交的斜面，并且两者通过第二管配件2相连，第一管配件1、第三管配件3的公称直径与其所连接的竹缠绕复合管的公称直径相同；所述第二管配件2的两端均为斜面，该两端的斜面分别与所述第一管配件1和第三管配件3的斜面对接，以实现与第一管配件1和第三管配件3的可靠连接。在第一管配件1、第三管配件3与第二管配件2的拼接处利用浸有树脂的玻璃纤维织物缠绕固定，进一步提高管配件之间的连接强度。
下面对弯头的工艺参数进行具体说明。
(1)弯头的外径尺寸及偏差(即第一管配件1、第二管配件2和第三管配件3的外径尺寸)。
弯头的外径尺寸与其公称直径、压力等级等有关，其尺寸及偏差的取值如表1所示。
表1 外径尺寸和偏差  单位：mm
Figure PCTCN2016109201-appb-000001
Figure PCTCN2016109201-appb-000002
(2)弯头的偏转角a及偏差
偏转角a是指弯头轴线的偏转角度，偏转角a为90°、60°或45°，其等于180°减去第一管配件1轴线和第三管配件3轴线的夹角，通过设这不同的偏转角，可制备不同规格的弯头。如图1所示，当偏转角a为60°或45°时，弯头部件数为第一管配件1、第二管配件2和第三管配件3共三个，弯头的接缝数为2；如图2所示，当偏转角a为90°时，第二管配件2由两个连接分部件4组成，即弯头部件数为4，弯头的接缝数为3。当接头处为法兰连接，偏转角a偏差不超过0.5°，若是其它类型则为1°。
(3)弯头的曲率半径R
弯头的曲率半径R应不小于管道系统中弯头所连接的管道的公称尺寸DN，本实施例中取1.5DN。
(4)弯头的长度及偏差
弯头中各部件都必须有足够的长度，使之能彼此连接，并确保外部的增强材料能够方便的粘接固定。弯头的各部件的切口不得裸露，必须包裹厚度大于1.5mm的树脂胶泥，所有接缝的缝口必须填满树脂胶泥后方可进 行粘接加固，弯头的长度取决于设计角度、曲率半径和为了提供连接或其他目的的附加长度。
(4.1)铺设长度L
弯头的铺设长度L，起点是弯头的一个端面的中心S，沿着弯头的这个端面的轴线方向，终点则是该轴线与弯头另一个端面轴线的交点P，即弯头一个端面中心点S至第一管配件1轴线和第三管配件3轴线的交点P的距离，铺设长度L的允许偏差值为±15×弯头中接缝数。
(4.2)主体长度LB
弯头的主体长度LB起点是弯头两端面的轴线的交点P，终点在其中一条轴线上，其长度等于铺设长度L减去连接长度L1。
主体长度LB的最小值如表2所示，其是由构件的几何尺寸决定。在实际安装施工中，需要进一步增加主体长度，以提供足够的长度用于斜接面和接头处的外部缠绕。
表2 管件的最小主体长度LB  单位:mm
Figure PCTCN2016109201-appb-000003
Figure PCTCN2016109201-appb-000004
如图3-4所示，三通接头包括两个管配件，其中一个管配件设于另一个管配件的侧面，两个管配件的公称直径可以相同或不同。
下面对三通接头的工艺参数进行具体说明。
其中，α为三通角度，B为三通支管铺设长度，BB为三通支管长度，Bi为三通支管连接长度，L为三通主管铺设长度，LB为三通主管主体长度，Li为三通主管连接长度。
表3 三通最小主体长度LB  单位：mm
公称直径(DN) LB 公称直径(DN) LB
150 290 1000 1220
200 360 1200 1420
250 430 1400 1620
300 510 1600 1620
350 540 1800 2020
400 550 2000 2220
450 650 2200 2420
500 700 2400 2620
600 800 2600 2820
700 900 2800 3020
800 1000 3000 3220
900 1120 — —
三通接头的外径尺寸与其公称直径、压力等级等有关，其尺寸及偏差的取值同样如表1所示。当采用法兰接头时，三通角度α允许偏差不超过±0.5°，采用其他接头类型时，不超过±1°。三通主管主体长度LB的取值如表3所示。三通支管长度BB为三通支管的端面形心(如有承口，插入深度不包括在内)到三通主管轴线与支管轴线交点的长度，三通的支管长度取主体长度的50％。对于包含一个插口和一个承口的三通，其主管的铺设长度L等于主体长度LB加上插口处的插入长度；对于双插口的三通，其主管的铺设长度L等于主体长度LB加上两倍的插入深度Li。
如图5所示，异径管包括两个管配件，其中一个管配件为直管，另一个为变径管，所述直管与所述变径管的小径端或大径端拼接。
如图6所示，异径管包括三个管配件，其中一个管配件为变径管，另两个为直管，所述两个直管分别与所述变径管的大径端和小径端拼接。
下面对异径管的工艺参数进行具体说明。
异径管在插口处直径的容许偏差符合表1的要求，异径管的尺寸符合表4的规定。
表4 竹缠绕复合异径管尺寸  单位：mm
Figure PCTCN2016109201-appb-000005
本领域的技术人员容易理解，以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。

Claims (10)

  1. 一种用于竹缠绕复合管的管件，其特征在于，该管件由两个或两个以上管配件拼接而成，每个管配件均呈管状，径向由内至外依次包括内衬层、结构层和外防护层，所述内衬层是由织物和防腐树脂构成，所述结构层是由竹篾和树脂缠绕而成，所述外防护层是防腐防水涂料，两个管配件的拼接处采用浸有树脂的玻璃纤维织物缠绕固定。
  2. 如权利要求1所述的用于竹缠绕复合管的管件，其特征在于，所述管件与竹缠绕复合管相连接的端部设置有法兰。
  3. 如权利要求1所述的用于竹缠绕复合管的管件，其特征在于，所述管件为弯头、三通接头或异径管。
  4. 如权利要求3所述的用于竹缠绕复合管的管件，其特征在于，所述弯头包括均为直管且公称直径相同的第一管配件(1)、第二管配件(2)和第三管配件(3)，所述第一管配件(1)、第二管配件(2)和第三管配件(3)依次拼接，所述第一管配件(1)和第三管配件(3)的一端均为与自身轴线垂直的平面，另一端为与自身轴线相交的斜面；所述第二管配件(2)的两端均为斜面，该两端的斜面分别与所述第一管配件(1)和第三管配件(3)的斜面对接。
  5. 如权利要求4所述的用于竹缠绕复合管的管件，其特征在于，所述第一管配件(1)、第三管配件(3)的公称直径与其所连接的竹缠绕复合管的公称直径相同。
  6. 如权利要求5所述的用于竹缠绕复合管的管件，其特征在于，所述弯头的偏转角为a，该偏转角a等于180°减去第一管配件(1)轴线和第三管配件(3)轴线的夹角，其为90°、60°或45°。
  7. 如权利要求6所述的用于竹缠绕复合管的管件，其特征在于，当偏转角a为90°时，第二管配件(2)由两个连接分部件(4)组成，所述管 件的接缝数为3。
  8. 如权利要求3所述的用于竹缠绕复合管的管件，其特征在于，所述三通接头包括两个管配件，所述两个管配件均为直管，其中一个管配件设于另一个管配件的侧面。
  9. 如权利要求3所述的用于竹缠绕复合管的管件，其特征在于，所述异径管包括两个管配件，其中一个管配件为直管，另一个为变径管，所述直管与所述变径管的小径端或大径端拼接。
  10. 如权利要求3所述的用于竹缠绕复合管的管件，其特征在于，所述异径管包括三个管配件，其中一个管配件为变径管，另两个为直管，所述两个直管分别与所述变径管的大径端和小径端拼接。
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240191815A1 (en) * 2021-04-25 2024-06-13 Benoit Ribon Connection Device Bent at Multiple Angles

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205315879U (zh) * 2015-12-24 2016-06-15 浙江鑫宙竹基复合材料科技有限公司 一种用于竹缠绕复合管的管件
CN108119719B (zh) * 2016-11-30 2019-12-10 浙江鑫宙竹基复合材料科技有限公司 一种竹缠绕复合弯头的制备方法
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WO2021165354A1 (en) 2020-02-19 2021-08-26 Basf Se Composite pole composed of a bamboo cane as core and a continuous fiber reinforced polymer layer

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005060500A1 (de) * 2005-12-15 2007-06-21 Witthaus, Bernd, Prof. Dr. Faserverstärkter Kunststoff, enthaltend Bambusfasern, sowie Verfahren zu seiner Herstellung
CN101239502A (zh) * 2007-01-22 2008-08-13 王培军 聚乙烯玻璃纤维浸脂复合管的制作方法
CN101332600A (zh) * 2007-06-29 2008-12-31 鞍钢集团矿业公司 一种多节弯头管的下料方法
CN101413614A (zh) * 2008-11-21 2009-04-22 大庆油田有限责任公司 翻转法内衬玻璃钢修复旧管道端头连接方法
CN101571213A (zh) * 2009-06-04 2009-11-04 芜湖圣弗兰玻璃钢有限公司 竹纤维缠绕复合管的制备方法
CN201434160Y (zh) * 2009-06-04 2010-03-31 芜湖圣弗兰玻璃钢有限公司 竹纤维缠绕复合管
CN101947803A (zh) * 2010-02-09 2011-01-19 芜湖圣弗兰玻璃钢有限公司 直竹条增强竹复管的制备方法
CN104089105A (zh) * 2014-07-07 2014-10-08 浙江鑫宙竹基复合材料科技有限公司 竹砂缠绕复合管的制备方法
CN205315879U (zh) * 2015-12-24 2016-06-15 浙江鑫宙竹基复合材料科技有限公司 一种用于竹缠绕复合管的管件

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005060500A1 (de) * 2005-12-15 2007-06-21 Witthaus, Bernd, Prof. Dr. Faserverstärkter Kunststoff, enthaltend Bambusfasern, sowie Verfahren zu seiner Herstellung
CN101239502A (zh) * 2007-01-22 2008-08-13 王培军 聚乙烯玻璃纤维浸脂复合管的制作方法
CN101332600A (zh) * 2007-06-29 2008-12-31 鞍钢集团矿业公司 一种多节弯头管的下料方法
CN101413614A (zh) * 2008-11-21 2009-04-22 大庆油田有限责任公司 翻转法内衬玻璃钢修复旧管道端头连接方法
CN101571213A (zh) * 2009-06-04 2009-11-04 芜湖圣弗兰玻璃钢有限公司 竹纤维缠绕复合管的制备方法
CN201434160Y (zh) * 2009-06-04 2010-03-31 芜湖圣弗兰玻璃钢有限公司 竹纤维缠绕复合管
CN101947803A (zh) * 2010-02-09 2011-01-19 芜湖圣弗兰玻璃钢有限公司 直竹条增强竹复管的制备方法
CN104089105A (zh) * 2014-07-07 2014-10-08 浙江鑫宙竹基复合材料科技有限公司 竹砂缠绕复合管的制备方法
CN205315879U (zh) * 2015-12-24 2016-06-15 浙江鑫宙竹基复合材料科技有限公司 一种用于竹缠绕复合管的管件

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240191815A1 (en) * 2021-04-25 2024-06-13 Benoit Ribon Connection Device Bent at Multiple Angles
US12352380B2 (en) * 2021-04-25 2025-07-08 Benoit Ribon Connection device bent at multiple angles

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