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Hydraulic pipe locking machine

A hydraulic lock and pipe machine technology, which is used in mechanical equipment, non-detachable pipe connections, pipes/pipe joints/pipe fittings, etc. less material effect

Inactive Publication Date: 2004-05-19
马立强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the existing pipe crimping machine can only lock one-way end faces and cannot lock large end face parts, the present invention provides a hydraulic pipe crimping machine, which can only be used for one-way locking change to pass lock

Method used

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Experimental program
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Embodiment Construction

[0012] Such as figure 1 , figure 2 As shown, the present invention is mainly composed of a fuselage and a locking assembly fixedly fitted on the fuselage. The fuselage includes a fuel tank, a motor oil pump unit, a program-controlled valve block and connecting pipes. The whole fuselage is arranged on a cabinet door. In the cabinet welded by steel plates, a bracket 19 for placing the locking component is threaded on the upper end of the cabinet, and the locking component 20 is placed on the bracket. The locking component is mainly composed of a cylinder liner 1, and a piston with a hollow structure is arranged in the cylinder liner. 2. There are seals 7 and 8 at the contact point between the piston and the inner wall of the cylinder liner for sealing. A sealing sleeve 13 matching the front end of the piston is pressed on the inner wall of the front end of the cylinder liner. The sealing sleeve 13 is connected to the piston 2 and the cylinder. A ring-shaped sealed return oil c...

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PUM

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Abstract

The present invention discloses a hydraulic pipe locking machine, it mainly includes mechine body composed of oil box, electric oil pump, program-controlled valve block and connecting pipeline and locking component fixedly installed on the machine body. The locking component uses cylinder jacket as main body, a hollow structure piston is set up in the cylinder jacket, the sealing jacket and piston and inner wall of the cylinder jacket form an annular sealed return stroke oil cavity, the rear end cover, piston, piston rod and inner wall of cylinder jacket form an annular sealed progress course oil cavity. The present invention can conveniently realize butt joint of pipeline. The invented pipe locking machine is simple in structure and light wt. in machine body.

Description

Technical field: [0001] The invention relates to a locking device, in particular to a hydraulic pipe crimping machine. Background technique: [0002] At present, the pipe crimping machines produced by domestic manufacturers still use the drawings designed in the 1950s and are made by using the principle of four-column horizontal one-way extrusion. The pipe crimping machines imported from abroad have exquisite materials and flexible operation, but their structures are similar to domestic ones , this pipe locking machine is mainly composed of a fuselage located under the workbench, a hydraulic cylinder on the workbench and a horizontal four-column support. The fuselage mainly includes fuel tanks, valves and connecting pipes. The front and rear ends of the horizontal four-column support are fixed There are two sliding plates in the middle that are set on the four pillars and can slide along the direction of the pillars. There are connecting screws between the two sliding plates...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D39/04F16L13/16
Inventor 马立强
Owner 马立强