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A steel pipe nozzle correction device

A technology for calibrating equipment and nozzles, applied in the field of steel pipe nozzle calibrating equipment, can solve problems such as poor correction effect and complicated operation, and achieve the effects of preventing insufficient correction, accurate detection and improving accuracy

Active Publication Date: 2015-11-04
廊坊市管道人机械设备有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the disadvantages of poor correction effect and complicated operation of existing steel pipe nozzle correction equipment, and provide a steel pipe nozzle correction device with accurate correction and simple operation

Method used

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  • A steel pipe nozzle correction device
  • A steel pipe nozzle correction device
  • A steel pipe nozzle correction device

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Embodiment Construction

[0029] figure 1 It is a front view of a steel pipe nozzle correction device according to an embodiment of the present invention, figure 2 for figure 1 The lifting mechanism of the steel pipe nozzle correction equipment in figure 1 A view from direction A. Such as figure 1 As shown, a steel pipe nozzle correction device includes a correction hydraulic cylinder 1 that can extend into the steel pipe nozzle 30, a lifting mechanism that is connected with the correction hydraulic cylinder 1 and drives the correction hydraulic cylinder 1 to move up and down, and is used to control the The piston rod 4 of the correction hydraulic cylinder 1 is a control device (not shown) for the movement stroke along the axis perpendicular to the steel pipe nozzle 30. The control device is arranged in the control box 26, and the correction hydraulic pressure Cylinder 1 moves up and down under the drive of the lifting mechanism, and a floating compensation device that allows the cylinder body 5 o...

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Abstract

The invention discloses an apparatus for correcting orifices of steel pipes. The apparatus comprises a correcting hydraulic cylinder, a lifting mechanism, and a controlling device, wherein the correcting hydraulic cylinder can extend into orifices of steel pipes, the lifting mechanism can drive the correcting hydraulic cylinder to move up and down, and the controlling device is used for controlling the movement stroke of a piston rod of the correcting hydraulic cylinder. A cylinder body of the correcting hydraulic cylinder and the lifting mechanism are provided with a floating compensation device therebetween. An end portion of the piston rod of the correcting hydraulic cylinder, and an end of the cylinder body are provided with correcting tools respectively, wherein the end of the cylinder body is far away from the piston rod, and the correcting tools correct the orifices of the steel pipes by applying force at inner walls of the orifices of steel pipes. The correcting hydraulic cylinder is also provided with a detection device for detecting displacement of the piston rod, and the detection device is connected with the controlling device. The apparatus overcomes defects of conventional equipment for correcting the orifices of the steel pipes that the correcting effect is poor and the correcting operation is complex, and has advantages of accurate correction and simple operation.

Description

technical field [0001] The invention relates to a calibration device. Specifically, the utility model relates to a steel pipe mouth correction device. Background technique [0002] In the process of transportation, storage and use of steel pipes, the nozzles of the steel pipes are often out of round due to being squeezed and stressed, and become elliptical, which affects their installation and use. At present, a jack is generally used to correct the nozzle of the steel pipe. The Chinese patent document with the publication number CN201353597Y discloses a device for correcting the ellipticity of a round steel pipe, which consists of a frame, a platform, a track, a hydraulic jack, an inner fixing plate and an outer fixing plate. , the frame is a rectangular steel structure, the platform is a steel plate, laid on the frame, the track is fixed along the central axis of the platform, the lower base of the hydraulic jack matches the track, the working end of the hydraulic jack is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D3/00
Inventor 张建民孙言团马华张朝阳周宝川彭真
Owner 廊坊市管道人机械设备有限公司
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