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Double-piston hydraulic cylinder for winding drum of coiling machine

A technology of hydraulic cylinders and double pistons, applied in mechanical equipment, fluid pressure actuating devices, servo motors, etc., can solve the problems of difficult operation of changing rubber expansion sleeves, etc. Convenience and simple structure

Inactive Publication Date: 2014-05-28
HUANGSHI SUNNY XINGYE STRIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the rubber expansion sleeve replacement operation is difficult in the existing strip coil coiler reel, and to provide a double-piston hydraulic cylinder for the coiler reel

Method used

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  • Double-piston hydraulic cylinder for winding drum of coiling machine
  • Double-piston hydraulic cylinder for winding drum of coiling machine
  • Double-piston hydraulic cylinder for winding drum of coiling machine

Examples

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Embodiment Construction

[0011] see figure 1 A double-piston hydraulic oil cylinder for a reel of a coiler, which has a frame 1, a reel main shaft 2 is installed with a bearing on the frame 1, and a rotary gear 3 is installed on the journal of the reel main shaft 2 with a lock key, A connecting rod 4 is installed in the through hole of the shaft center of the reel main shaft 2, and the shaft end of the reel main shaft 2 is connected with a support frame 6, and a connecting piece 5 is arranged inside the support frame 6, and a hydraulic cylinder 7 is installed at the other end of the support frame 6. , the hydraulic cylinder 7 is equipped with a hydraulic control mechanism 8, and the hydraulic cylinder 7 is provided with a piston rod 9 (see figure 2 ), the end of the piston rod 9 of the hydraulic cylinder 7 is connected with the connecting rod 4 in the shaft center of the drum main shaft 2 by the connecting piece 5; especially: the cylinder body 14 of the hydraulic cylinder 7 is respectively provided ...

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Abstract

The invention relates to improvement on a hydraulic cylinder for a winding drum of a coiling machine for coiled plates made of strip steel, and discloses a double-piston hydraulic cylinder for a winding drum of a coiling machine. The double-piston hydraulic cylinder comprises a winding drum spindle. A connecting rod is mounted in a through hole in the axis of the winding drum spindle, a hydraulic cylinder is mounted at a spindle end of the winding drum spindle by the aid of a support frame, and an end of a piston rod of the hydraulic cylinder is connected with the connecting rod in the axis of the winding drum spindle by a connecting piece. The double-piston hydraulic cylinder is characterized in that a small cavity and a large cavity are arranged in a cylinder block of the hydraulic cylinder, a small piston is mounted in the small cavity, the root of the piston rod is connected with the small piston, and a large piston is mounted in the large cavity and sleeves the piston rod; an oil pipe port A, an oil pipe port B and an oil pipe port C are further respectively formed in the cylinder block. The double-piston hydraulic cylinder has the advantages that the problem of difficulty in rubber expansion sleeve replacing operation of a winding drum of an existing coiling machine for coiled plates made of strip steel can be solved, and the four-piston hydraulic cylinder for the winding drum of the existing coiling machine for the coiled plates made of the strip steel can be mainly improved.

Description

technical field [0001] The invention relates to the improvement of a hydraulic oil cylinder for a strip coil coiler reel, which is a double-piston hydraulic oil cylinder for a coiler reel. Background technique [0002] The strip steel coil coiler is equipped with a reel, which is mainly used for coiling the strip steel coil; the coiler reel is provided with a main shaft, and the radial opening and closing mechanism of the fan-shaped plate is arranged on the main shaft, and the shaft center of the main shaft is installed with a Connecting rod, the end of the main shaft is equipped with a hydraulic cylinder, the end of the piston rod of the hydraulic cylinder is connected with the connecting rod, and the other end of the connecting rod is installed in cooperation with the radial opening and closing mechanism of the fan-shaped plate; the coiler coils the steel coil The process of the plate is: the reel is covered with a rubber expansion sleeve, and the reel and the rubber expan...

Claims

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Application Information

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IPC IPC(8): B21D5/14F15B15/14F15B11/02
Inventor 柯江军周丰文吴杰
Owner HUANGSHI SUNNY XINGYE STRIP
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