Assembly method for internal reinforcing ring type wound gasket
An assembly method and technology of inner reinforcing ring, applied in the direction of gasket, connecting member, pipe/pipe joint/pipe fitting, etc., can solve the problems of troublesome spot welding operation, difficult to clean the end face of wound gasket, accidental damage to equipment, etc. In good condition, improve efficiency and facilitate installation
Inactive Publication Date: 2013-06-12
南通瑞和机械科技有限公司
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Problems solved by technology
Although this solves the above-mentioned problems, when producing inner-reinforced ring-type wound gaskets with a smaller nominal diameter, the spot welding operation is more troublesome due to the smaller area of the gasket itself, and sometimes accidentally damages the equipment. This method is difficult to ensure the neatness of the end face of the wound gasket
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[0014] The present invention will be further described below in conjunction with accompanying drawing:
[0015] A method for assembling the B150-20 spiral-wound gasket with an inner reinforcing ring, comprising the following steps:
[0016] 1) Outer diameter of wound gasket D 3 =215.9mm, inner diameter D 2 =190.5mm, outer diameter of reinforcing ring D 2 =190.5mm, inner diameter D 1 =154.0mm;
[0017] 2) According to the size of wound gaskets, produce wound gaskets that meet the specifications, and the outer diameter of wound gaskets is D 3 =215.9mm, inner diameter D 2 =190.5mm;
[0018] 3) When producing the reinforcement ring, make the size ratio of the outer diameter of the reinforcement ring to D 2 0.1mm smaller, 190.4mm, inner diameter size D 1 =108.2mm;
[0019] 4) Put the wound gasket and the reinforcement sheet into the ring installation machine and position them separately, apply tension to the inner side of the reinforcement ring through the hydraulic device...
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The invention discloses an assembly method for an internal reinforcing ring type wound gasket. The method is characterized by comprising the following steps of: determining the outside diameter D3 and the inside diameter D2 of a wound gasket and the outside diameter D2 and the inside diameter D1 of a reinforcing ring of the internal reinforcing ring type wound gasket according to the requirement of a customer; producing the wound gasket meeting the specification according to the size of the wound gasket; producing the reinforcing ring, wherein the outside diameter D2 of the reinforcing ring is lightly smaller than the length L, and the inside diameter of the reinforcing ring is D1; and respectively positioning the wound gasket and the reinforcing ring in a ring assembly machine, and applying tension to the inner side of the reinforcing ring through a hydraulic device, so that the tension is expanded to the inside diameter edge of the reinforcing ring and the outside diameter edge of the wound gasket and the edges are jointed. By adopting the assembly method for the internal reinforcing ring type wound gasket, convenience is brought to installation of a staff, the installation efficiency is improved, and completeness of each component is ensured at the same time.
Description
technical field [0001] The invention relates to a pipeline element, in particular to an assembly method of a ring-shaped wound gasket with internal reinforcement. Background technique [0002] In order to ensure its sealing performance, wound gaskets are generally made of "V" shaped belts that overlap each other and are wound continuously, but this makes the assembly of the reinforced ring-shaped wound gaskets in the belts complicated. The current practice is to produce formed stiffener rings and wound gaskets to specifications and then assemble them. Since the edge of the inner diameter of the wound gasket is concave, and the edge of the outer diameter of the reinforcing ring is convex, it is not easy to snap the reinforcing ring into the inner of the wound gasket during installation, and the operation is time-consuming and laborious, especially when the nominal diameter is small. Wound gaskets with external reinforcement rings; and this method of installation will cause a...
Claims
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IPC IPC(8): F16L55/00F16B43/00
Inventor 陈伟彦张仲华
Owner 南通瑞和机械科技有限公司