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Technical screw for connecting rod manufacturing of industrial reciprocating compressor and manufacturing method thereof

A compressor and industrial technology, applied in the processing field of manufacturing screws of this process, can solve the problems of waste of raw materials, destruction, waste, etc., and achieve the effect of saving raw materials

Inactive Publication Date: 2013-03-13
WUXI COMPRESSOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in some existing connecting rods for industrial reciprocating compressors, the diameter of the large head hole has passed through the connecting rod bolt holes. In order to avoid damage to the connecting rod bolts, the connecting rod body and the connecting rod cover are connected by process bolts when boring. Each boring will destroy the new process bolts, resulting in a large waste and waste of raw materials

Method used

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  • Technical screw for connecting rod manufacturing of industrial reciprocating compressor and manufacturing method thereof
  • Technical screw for connecting rod manufacturing of industrial reciprocating compressor and manufacturing method thereof
  • Technical screw for connecting rod manufacturing of industrial reciprocating compressor and manufacturing method thereof

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Embodiment Construction

[0019] See figure 2 , which includes a round rod 2 with threads 1 at both ends, the middle part of the round rod 2 is a polished rod 3, and the two outer ends of the round rod 2 with threads 1 at both ends are square tenon structures 4, and the outer surface of the polished rod 3 is set There is an arc groove 5, the radius R of the arc groove 5 is equal to the radius R of the big head hole of the connecting rod to be manufactured, and one side of at least one square tenon structure 4 is an arc convex surface.

[0020] Adopt the connecting rod assembly schematic diagram of process screw of the present invention, see image 3 , which includes a connecting rod body 6 and a connecting rod cover 7, the connecting rod body 6 and the connecting rod cover 7 are fastened and connected by process screws 8 and process nuts 9 arranged at upper and lower positions, and the arc groove 5 of the process screw 8 The center coincides with the center of the corresponding big head hole 10.

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Abstract

The invention provides a technical screw for connecting rod manufacturing of an industrial reciprocating compressor which can be recycled and save materials. The technical screw comprise a circular rod two ends of which are provided with screw threads; and the middle part of the circular rod is a polished rod. The technical screw is characterized in that two outer ends of the circular rod two ends of which are provided with the screw threads are rectangular wedge structures; the outer circular surface of the circular rod is provided with an arc groove; and radius of the arc groove equals to the radius of the big head of the connecting rod required to be manufactured.

Description

technical field [0001] The invention relates to a process screw, in particular to a process screw for processing connecting rods of industrial reciprocating compressors. The invention also provides a processing method for manufacturing the process screw. Background technique [0002] The connecting rod is one of the important parts in the reciprocating compressor. Its big head is connected to the crankshaft, and the small head is connected to the piston part through the cross head. Its function is to change the rotary motion of the crankshaft to the reciprocating motion of the piston. The connecting rod bears periodically changing compressive force and tensile force during the working process, and must meet sufficient strength and rigidity. At the same time, in order to reduce the reciprocating inertial force and occupy space, the connecting rod must also have the characteristics of small mass and small volume. [0003] The general process route of connecting rod process...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B35/00B23B47/00B23B41/00
Inventor 戴晓洲杨彭华李玉艳陶加勇黄正彬
Owner WUXI COMPRESSOR CO LTD