Umbrella-holding type pipeline tensioning mechanism

A tensioning mechanism and umbrella support technology, which is applied to metal processing machinery parts, clamping, support, etc., can solve the problems of high cost of tensioning tooling and waste of tensioning tooling, and achieve improved production efficiency, simple structure, and reduced vibration effect

Inactive Publication Date: 2012-11-21
YANGZHOU BOST TOOLS
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  • Abstract
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  • Claims
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Problems solved by technology

When working on a pipe with a pipe diameter, the rest of the blocks and screws are

Method used

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  • Umbrella-holding type pipeline tensioning mechanism

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Embodiment Construction

[0015] The following describes the technical solution of the present invention in detail through a best embodiment in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the embodiment.

[0016] Such as figure 1 As shown, an umbrella-supported pipeline tensioning mechanism includes a central shaft 1 and two movable blocks 2 sleeved on the central shaft. The movable block 2 is provided with a locking device 3 fixed to the central shaft. At least three sets of tensioning links 4 for supporting the inner wall of the pipeline are arranged between the two movable blocks. The tensioning links 4 include three links 41 hinged to each other, and the links 41 at both ends are respectively connected to the two Two movable blocks are hinged, and the connecting rods 41 at both ends of each group of tensioning rods are equal in length, and the middle connecting rod is provided with a rubber layer for shock absorption, and the locki...

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Abstract

The invention discloses an umbrella-holding type pipeline tensioning mechanism which comprises a middle shaft (1) and two movable blocks (2) sleeved on the middle shaft, wherein a locking device (3) fixed with the middle shaft is arranged on the movable blocks (2), and at least three groups of tensioning connection rods (4) for supporting the inner wall of a pipeline are arranged between the two movable blocks. By means of the technical scheme, the tensioning connection rods for supporting the inner wall of the pipeline are evenly distributed between the two movable blocks with the axis of the middle shaft serving as the standard, sprigging and falling of the tensioning connection rods are driven along with moving of the movable blocks, and adjusting is performed according to the inner diameter of the pipeline. The umbrella-holding type pipeline tensioning mechanism is convenient to adjust, can adapt to operation of pipelines of different diameters, saves the cost of tensioning tooling, fully uses the tensioning tooling and is firm in tensioning and simple in structure.

Description

technical field [0001] The invention relates to a pipeline processing tool, in particular to an umbrella support type pipeline tensioning mechanism. Background technique [0002] In the pipeline operation of petroleum, chemical industry and other industries, it is often necessary to perform processing operations such as cutting and beveling on the pipeline, and it is necessary to install pipeline operation machinery at the work site. The internal expansion type is a typical form of pipeline operation machinery. Its main structure is to install a mechanism that can be tightened in the pipeline on a central axis, so that the central axis is firmly temporarily fixed at the central axis of the pipeline. The outer port of the shaft is installed with an operating machine to cut and bevel the pipe. Since the diameter of the pipe is different, in order to adapt to the operation of different pipe diameters, the existing tensioning technology adopts several groups of different sizes a...

Claims

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Application Information

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IPC IPC(8): B23Q3/00
Inventor 陆春茂吴桐王宏华
Owner YANGZHOU BOST TOOLS
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