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Gyrating cutting device for old pipe joint

A technology for cutting devices and old pipes, applied in sawing machine devices, metal sawing equipment, metal processing equipment, etc., to achieve the effects of enhancing reliability, improving breaking efficiency, and rapid cutting and replacement

Pending Publication Date: 2018-10-12
CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a pipe joint rotary cutting device for jacking broken pipes when replacing old pipes, so as to solve the problems pointed out by the above-mentioned background technology

Method used

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  • Gyrating cutting device for old pipe joint
  • Gyrating cutting device for old pipe joint
  • Gyrating cutting device for old pipe joint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment one: if figure 1 and 5 As shown, in this embodiment, a rotary cutting device for old pipe joints includes a casing 2, a rotary mechanism 3, a guiding mechanism 4, a sawtooth mechanism 5, an oil cylinder tensioning mechanism 6 and a roller mechanism 7. The casing 2 There are three sets of the above-mentioned oil cylinder tensioning mechanisms 6 arranged on the outside, and the oil cylinder tensioning mechanisms 6 realize the fastening support and relaxation of the device when the sawtooth mechanism 5 cuts. 2, a rotary mechanism 3 is installed, and four sets of guide mechanisms 4 are evenly arranged on one end surface of the rotary mechanism 3, and the end of the guide mechanism 4 is fixedly connected with the sawtooth mechanism 5, and the guide mechanism 4 drives The sawtooth mechanism 5 feeds and retracts radially, and the sawtooth mechanism 5 cuts along the axis of the pipe section.

[0026] The cross-sectional shape of the outer wall of the housing 2 is ...

Embodiment 2

[0034] Embodiment 2: The sealing member 311 includes several lip seals and several sealing pressure rings, and the lip seals at least include two rings of lip seals with opposite lips. Other structures of this embodiment are the same as those of Embodiment 1.

Embodiment 3

[0035] Embodiment 3: not shown in the figure, four sets of the cylinder tensioning mechanisms are arranged on the outside of the housing, and two sets of the guiding mechanisms are evenly arranged on one end surface of the slewing mechanism. Other structures of this embodiment are the same as those of Embodiment 1.

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Abstract

The invention discloses a gyrating cutting device for an old pipe joint. The device comprises a housing, a gyrating device, guide mechanisms, sawtooth mechanisms, oil cylinder fastening supporting mechanisms and roller mechanisms, wherein three oil cylinder fastening supporting mechanisms are distributed at the outer side of the housing and are used for fastening, supporting and releasing the device during cutting through the sawtooth mechanism; two roller mechanisms which axially move are symmetrically arranged at the left and right of the lower part of the housing; the gyrating mechanism ismounted in the housing; four guide mechanisms are uniformly arranged on one end surface of the gyrating mechanism, and the end parts of the guide mechanisms are fixedly connected to the sawtooth mechanisms; and the sawtooth mechanisms are driven to radially feed and return through the guide mechanisms and can be used for cutting in the axis direction of a pipe joint. With the adoption of the gyrating cutting device for the old pipe, the pipe joint can be cut into four equal parts, eight equal parts, sixteen equal parts, etc. in one time, so that the convenience of pipe joint conveying is ensured; and the pipe joint can be rapidly cut and replaced during breaking a pipe and propping to the inside.

Description

technical field [0001] The invention relates to the technical field of tunnel construction, in particular to a rotary cutting device for old pipe joints, which can cut old pipes into blocks and transport them out, and is applied to the renewal and replacement of old pipes. Background technique [0002] With the rapid development of urbanization, the diameter of the original pipes sometimes becomes too small to meet the functional requirements; in addition, the old pipes can no longer be used due to damage, and there is often no new place to lay new pipes, both of which are Needs plumbing update. Commonly used pipeline renewal refers to the pipeline renewal technology that guides the old pipeline to be renewed, and pulls or jacks the new pipe while breaking it. According to the different methods of crushing old pipes, there are two common methods: extrusion of broken pipes and jacking of broken pipes. [0003] The broken pipe jacking method is mainly used for clay pipes, co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D45/12B23D45/10B23D47/00B23D47/02B23D47/10
CPCB23D45/006B23D45/10B23D45/128B23D47/00B23D47/02B23D47/10
Inventor 陈世友肖威谌文涛范磊龚延民王小涛
Owner CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD