Saddle-shaped hole-drilling device for plastic conveying pipeline and hole-drilling method
A conveying pipeline and saddle-shaped technology, which is applied in the field of installing and connecting branch lines of conveying main pipelines, can solve the problems of complicated operation and complicated structure.
Inactive Publication Date: 2016-11-23
邢梓杉 +1
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Problems solved by technology
[0003] In order to overcome the deficiencies of the existing technology and solve the problem that the existing saddle-shaped hole opening device for plastic conveying pipelines has a complicated structure and cumbersome operation, and is not suitable for opening holes in pipelines with a nominal diameter of 90mm or more
Method used
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Embodiment Construction
[0040] as attached Figure 1-Figure 6 In the shown embodiment, the present invention is provided with: saddle-shaped straight-through 7, opening cutter 6, movable operating handle 1, connector, connecting screw 2, fixing plate 4, hanging hoop 8, double-sided nut 9, opening The knife rod of the tool is a connecting screw 2, the movable operating handle is a movable operating handle 1 with two hexagonal convex columns on the handle body, and the connector is a buckle bowl shaped with a central screw hole 11 and a downward concave cavity Connector 3-1, the buckle bowl-shaped connector 3-1 facing downwards in the inner cavity is matched with the tubular outlet connected to the top of the saddle-shaped straight-through 7, and connected to the buckle bowl-shaped downwards inner cavity The central screw hole 11 of the device 3-1 is fitted with a connecting screw 2, and the buckle bowl-shaped connector 3-1 facing downwards is connected to the fixed plate 4 by the connecting screw 13, ...
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The invention relates to a saddle-shaped punching device for a plastic conveying pipeline and a punching method thereof and belongs to the technical field of branch pipeline assembly and connection for a main conveying pipeline. The invention aims to solve the problems of complex structure, tedious operation and unfitness for the pipeline punching with nominal diameter above 90mm of the present saddle-shaped pressure tapping device for the conveying pipeline. A buckle bowl-shaped connector with a central thread hole and a downward indent cavity is adopted as a connector for the saddle-shaped punching device; the connector is matched with a tubular outlet of a saddle-shaped pipe fitting; a connecting screw rod is penetrated and meshed in the central thread hole of the connector; the connector is connected with a fixing plate by a connecting screw; a hanging type hoop is connected with a head part of an extension flange of the fixing plate; an operation handle is matched with and assembled at the top of a rod body of the connecting screw rod; a hexagonal raised head is arranged at the bottom of the rod body and is matched with and inserted into a hexagonal notch of a punching tool; a double-faced nut is arranged on the rod body located on the connecting screw rod; external threads of the double-faced nut are in meshing connection with internal threads at the top of the punching tool. The saddle-shaped punching device has a simple structure and is fit for non-pressure and pressure tapping operations of various plastic conveying pipelines.
Description
technical field [0001] The invention belongs to the technical field of installation and connection of branch pipelines for main conveying pipelines, and relates to a saddle-shaped hole opening device and a hole opening method for plastic conveying pipelines. Background technique [0002] With the increasing development and wide application of plastic pipelines used in industries such as gas, petroleum, and chemical industry, the number of branches opened on the already laid and running plastic pipelines is increasing, and the connected branch pipes are also moving towards larger-diameter pipes. With the development of the direction, saddle-shaped drilling technology has been widely used, and correspondingly, the technical requirements for saddle-shaped drilling devices are getting higher and higher. In the known technology, the existing plastic conveying pipeline saddle opening device is mainly divided into two types of saddle opening without pressure and saddle opening with...
Claims
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IPC IPC(8): F16L41/04
CPCF16L41/06
Inventor 邢梓杉王茂峰邢宏飞陈文红王炳玲王炳晔赵淑军
Owner 邢梓杉