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Cooling-bed hydraulic stepping and tread control device and control method thereof

A technology of control devices and electric control devices, applied in the direction of fluid pressure actuators, cooling beds, metal rolling, etc., can solve the problems of uneconomical, large investment, and high price of proportional valves, and achieve convenient electrical control and maintenance, and system The structure is simple and the effect of meeting the stability requirements

Active Publication Date: 2010-06-30
BEIJING JINGCHENG RUIXINCHANGCAI ENG TECH
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  • Application Information

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Problems solved by technology

The hydraulic system looks relatively simple, but each oil cylinder needs to be equipped with a proportional valve, so that the number of proportional valves is large, and the price of the proportional valve is relatively high, so the investment in the existing hydraulic system is relatively large; on the other hand, the cooling bed The stepping action and stepping action are completely mutually exclusive, that is, during the stepping action, the stepping cylinder 92 is in the closed state, and during the stepping action, the stepping cylinder 91 is in the closed state, which means that half of the proportional valves are in the idle state
In addition, the stepping action of the cooling bed is a routine action, that is, the utilization rate of the proportional valve 93 controlling the stepping cylinder 91 is relatively high, and the utilization rate of the proportional valve 94 controlling the stepping cylinder 92 is relatively low. Therefore, the respective methods adopted in the prior art It is uneconomical and impractical to configure proportional valves that control the actions of the stepping cylinder and the stepping cylinder; in addition, multiple proportional valves are used to control the stepping hydraulic cylinder and the stepping hydraulic cylinder respectively in the prior art, and the electrical control process is complex and cumbersome , resulting in an increased potential failure rate
[0005] In view of the defects in the above-mentioned existing hydraulic stepping and stepping control devices for cooling beds, the inventor proposes a more economical and practical cooling bed hydraulic stepping and stepping control device by virtue of years of relevant design and manufacturing experience and its control methods to address the deficiencies and deficiencies of existing structures

Method used

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  • Cooling-bed hydraulic stepping and tread control device and control method thereof
  • Cooling-bed hydraulic stepping and tread control device and control method thereof
  • Cooling-bed hydraulic stepping and tread control device and control method thereof

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Embodiment Construction

[0031] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings.

[0032] Such as figure 1 , figure 2 and image 3 As shown, the cooling bed includes a cooling bed moving rack beam 8, a cooling bed lifting device 7 and a cooling bed hydraulic stepping and stepping control device 100; the action of the cooling bed is composed of two parts: lifting action and lateral movement; The lifting action of the bed is realized by the rotation of the crank shaft of the cooling bed lifting device 7 to drive the connecting rod up and down to lift the swing shaft or lower the moving rack beam 8; the lateral movement of the cooling bed is achieved by hydraulic stepping and stepping of the cooling bed Two hydraulic cylinders connected end to end in the control device 100 drive the lever 101 to swing to drive...

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Abstract

The invention relates to a cooling-bed hydraulic stepping and tread control device which at least comprises a hydraulic cylinder block for driving a cooling-bed movable rack beam to move back and forth, wherein the hydraulic cylinder block is composed of a stepping cylinder and a tread cylinder which are connected in series; the two cavities of the stepping cylinder and the two cavities of the tread cylinder are respectively communicated with the corresponding outlets of a cartridge valve bank; the inlet of the cartridge valve is communicated with an electrohydraulic proportion direction valve; and the electrohydraulic proportion direction valve is used for controlling the stepping cylinder and the tread cylinder of the hydraulic cylinder block. The invention adopts the structure of the proportion direction valve and the cartridge valve, and satisfies the requirements for quick speed control and stability. The speed is adjustable, and the invention realizes the control on the stepping cylinder and the tread cylinder by using only one proportion direction valve, thereby integrating the hydraulic stepping control and the hydraulic tread control into a whole. The cooling-bed hydraulic stepping and tread control device of the invention has the advantages of few elements, simple system structure, low cost, convenient electric control and maintenance, safety and reliability.

Description

technical field [0001] The invention relates to a hydraulic control device for a cooling bed, in particular to a hydraulic stepping and stepping control device and a control method for a long product cooling bed in iron and steel metallurgy. Background technique [0002] The hydraulic stepping and stepping control device of the cooling bed is a control device that uses a hydraulic mechanism to realize the functions of advancing and stepping on the spot of the cooling bed. [0003] The step cooling bed is an important equipment on the production line of hot-rolled seamless steel pipes and long products, and its function is to realize the cooling and straightening of steel products. For the production of seamless steel pipes, the stepping cooling bed is required to have two motion modes of stepping and stepping. There are usually two technical solutions to achieve this requirement. One is the electric stepping mechanism. After the motor passes through the reducer and the cran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B43/00F15B13/07F15B11/22
Inventor 安宏生田先涛杨力
Owner BEIJING JINGCHENG RUIXINCHANGCAI ENG TECH
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