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Large-diameter thin-wall steel pipe straightening machine and its anti-deformation side roll device

A thin-walled steel pipe and straightening machine prevention technology, which is applied to the large-diameter thin-walled steel pipe straightener anti-deformation side roll device and the large-diameter thin-walled steel pipe straightening machine field, can solve the problem that the large-diameter thin-walled steel pipe is easily flattened Ellipse, deformation and other problems, to achieve the effect of compact structure, low failure rate and small space

Active Publication Date: 2011-12-28
TAIYUAN HEAVY IND
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AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a large-diameter thin-walled steel pipe straightening machine and its anti-deformation side roller device to solve the problem in the prior art that large-diameter thin-walled steel pipes are easily flattened and elliptical deformation occurs during straightening

Method used

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  • Large-diameter thin-wall steel pipe straightening machine and its anti-deformation side roll device
  • Large-diameter thin-wall steel pipe straightening machine and its anti-deformation side roll device
  • Large-diameter thin-wall steel pipe straightening machine and its anti-deformation side roll device

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Embodiment Construction

[0014] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0015] image 3 The structure of the preferred embodiment of the large-diameter thin-walled steel pipe straightening machine of the present invention is shown, Figure 4-Figure 6 Then the structure of the preferred embodiment of the anti-deformation side roll device of the large-diameter thin-walled steel pipe straightening machine of the present invention is shown, because image 3 The anti-deformation side roll device and Figure 4-Figure 6 The structure of the preferred embodiment of the anti-deformation side roll device of the large-diameter thin-walled steel pipe straightening machine shown in the present invention is the same, so the following will be combined Figure 3-Figure 6 Also explained.

[0016] Such as Figure 3-Figure 6 As shown, the preferred embodiment of the anti-deformation side roller device of the present inv...

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Abstract

The invention discloses a large-diameter thin-wall steel pipe strengthening machine and an anti-deforming side roller device thereof. The anti-deforming side roller device comprises a connecting bracket, a roller assembly, a movable support plate and a hydraulic cylinder, wherein the connecting bracket comprises a lug which is used for fixing the connecting bracket on the large-diameter thin-wall steel pipe strengthening machine; the hydraulic cylinder is arranged on the connecting bracket; the roller assembly is arranged on the first side face of the movable support plate; and a piston rod of the hydraulic cylinder is connected to the second side face of the movable support plate to drive the roller assembly to move along the horizontal direction. The device has the advantages of capability of greatly improving the strengthening quality of the steel pipe, compact structure, low cost, high exchangeability, small occupied space, low fault rate and easiness for maintenance.

Description

technical field [0001] The invention relates to a device for preventing elliptical deformation during straightening of large-diameter thin-walled steel pipes, in particular to an anti-deformation side roller device for a large-diameter thin-walled steel pipe straightening machine, and also relates to a large-diameter thin-walled steel pipe comprising the device Steel pipe straightening machine. Background technique [0002] In the traditional vertical straightening machine, the straightening rollers are divided into upper and lower groups. When straightening large-diameter thin-walled steel pipes (generally, steel pipes with a diameter exceeding (That is, the aforementioned large-diameter thin-walled steel pipe, the same below) can be flattened to form an elliptical deformation under the pressure of the upper and lower straightening rollers. [0003] The current technology of large-diameter thin-walled steel pipe straightening machine such as figure 1 with figure 2 As sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D3/02
Inventor 郭建明
Owner TAIYUAN HEAVY IND
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