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Vertical hydraulic pipe cold-bending machine

A cold-formed, hydraulic technology, applied in metal processing equipment, feeding devices, positioning devices, etc., can solve the problems of increasing the volume and weight of cold-bending machines

Active Publication Date: 2015-12-16
BC P INC CHINA NAT PETROLEUM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention provides a vertical hydraulic cold pipe bending machine to solve the technical problem in the prior art that the volume and weight of the cold pipe bending machine need to increase significantly with the increase of the diameter of the steel pipe

Method used

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Embodiment Construction

[0040] The invention provides a vertical hydraulic cold pipe bending machine to solve the technical problem in the prior art that the volume and weight of the cold pipe bending machine need to be significantly increased with the increase of the diameter of the steel pipe.

[0041] The technical solution in the embodiment of the present application is to solve the above-mentioned technical problems, and the general idea is as follows:

[0042]A vertical hydraulic cold pipe bending machine is provided, comprising: a body assembly, the body assembly including: a left side plate, a right side plate, an upper tire support, a bottom plate, the left side plate is opposite to the right side plate It is arranged and welded together with the bottom plate and the upper tire bracket, and an upper mold is arranged at the bottom of the upper tire bracket; the front tire assembly is arranged on the first side of the body assembly; the roller device is arranged on the One side of the front ti...

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Abstract

The invention relates to the field of construction of petroleum and gas pipelines, and discloses a vertical hydraulic pipe cold-bending machine in order to solve the technical problems in the prior art that as the diameter of a steel pipe increases, the size and weight of a pipe cold-bending machine need to be increased obviously. The vertical hydraulic pipe cold-bending machine comprises a machine body assembly, a lower tire assembly, an inclined block device, an inclined block oil cylinder, a wedge-shaped mechanism, a main push oil cylinder device and a lifting oil cylinder device. The lower tire assembly is arranged on a second side of the machine body assembly, and a first side is opposite to the second side. The inclined block device comprises an inclined block and a sliding block, and the sliding block is connected to a front wire assembly. The inclined block oil cylinder is connected with the inclined block device. The wedge-shaped mechanism is arranged at the bottom of the lower tire assembly and connected with the lower tire assembly. One end of the main push oil cylinder device is connected with a bottom plate, and the other end of the main push oil cylinder device is connected with the wedge-shaped mechanism. One side of the lifting oil cylinder device is arranged on the machine body assembly, and the other side of the lifting oil cylinder is connected with the lower tire assembly and used for supporting and lifting the lower tire assembly. The technical effect that even though the bending radius is increased, the size and weight of the pipe cold-bending machine are not increased too much is realized.

Description

technical field [0001] The invention relates to the technical field of oil and gas pipeline construction, in particular to a vertical hydraulic cold pipe bending machine. Background technique [0002] With the further development of my country's long-distance pipeline construction projects, pipeline construction is developing in the direction of long distances, large pipe diameters, and high-strength steel grades. The outer diameter of the pipeline is increased to φ1422mm, especially for the production of cold-bent pipes with X80 and large wall thickness (up to 38.5mm), the capacity, bending process and quality control measures of the current cold-bending machines need to be greatly improved. Moreover, there is a technical problem in the prior art that the volume and weight of the cold pipe bending machine need to increase significantly with the increase of the diameter of the steel pipe. Contents of the invention [0003] The invention provides a vertical hydraulic cold ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D7/08B21D43/08
Inventor 张宝林高广林李济昌陈涛徐艳王建辉张全民刘正玮董红卫陈建平万江涛刘永红
Owner BC P INC CHINA NAT PETROLEUM CORP
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