Combined hydraulic cylinder roller disassembling mechanism

A technology of hydraulic cylinder and cylinder block, applied in the direction of metal rolling stand, metal rolling mill stand, metal rolling, etc., can solve the problems of low efficiency and inability to replace the roll ring separately, and achieves simple operation, compact structure, satisfying Use the desired effect

Inactive Publication Date: 2015-07-01
CHINA NAT HEAVY MACHINERY RES INSTCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the existing roll unloading mechanism replaces the roll ring, the roll ring cannot be replaced separately, and the entire roll mechanism needs to be pulled out of the frame, which is inefficient

Method used

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  • Combined hydraulic cylinder roller disassembling mechanism
  • Combined hydraulic cylinder roller disassembling mechanism

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Embodiment Construction

[0015] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0016] see figure 1 , the combined hydraulic cylinder unloading mechanism, including the first piston 6 as the cylinder, the second piston 7 is installed in the inner hydraulic cylinder formed in the first piston 6, the first piston 6 is provided with a cylinder 10, and the cylinder 10 passes through The bolt is connected to the spreader, and forms an outer hydraulic cylinder with the first piston 6. The first piston 6 is fixedly connected with the clamp 8 to transmit the pulling force to pull out the roll assembly. The rod sleeve 3 runs through the second piston 7, and the inside of the rod sleeve 3 A long rod 1 is assembled, and the right end of the long rod 1 is connected with the inner and outer hexagons of the nut 9, and the nut 9 is fixedly connected with the rod sleeve 3 by threads to locate the long rod 1.

[0017] The rod sleeve 3 is arranged in the...

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PUM

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Abstract

The invention discloses a combined hydraulic cylinder roller disassembling mechanism. According to the combined hydraulic cylinder roller disassembling mechanism, a first piston serves as a cylinder body, a second piston is arranged in the first piston to form an inner hydraulic cylinder, a cylinder body is arranged outside the first piston, the cylinder body and first piston form an outer hydraulic cylinder, the first piston is firmly connected with a fixture, a rod sleeve runs through the second piston, a long rod is assembled in the rod sleeve, the right end of the long rod is fitly connected with the internal and external hexagons of a nut, the nut is firmly connected with the rod sleeve, the outer hydraulic cylinder pressurizes, the first piston moves towards the left, and the fixture is pulled towards the left to draw out a roller assembly body; after the rod sleeve is connected with a pull rod in the roller assembly body, the inner hydraulic cylinder pressurizes, the second piston moves towards the left to arrive at the shaft shoulder of the rod sleeve, the pull rod stretches under the pull force, a pull rod nut is loosened, and then the pull rod is pushed towards the right through the long rod, a flange which clamps a roller ring can be loosened, a handle is rotated to loosen the pull rod and flange connection, and the pull rod is drawn out to separately change the roller ring. The combined hydraulic cylinder roller disassembling mechanism is easy and convenient to operate, high in efficiency and small in space usage.

Description

technical field [0001] The invention belongs to the technical field of metallurgical equipment, in particular to a combined hydraulic cylinder unloading mechanism. Background technique [0002] In the use of the rolling mill, in order to meet the requirements of rolling steel products of different specifications, the roll ring needs to be replaced frequently. At the same time, for maintenance and overhaul, it is necessary to disassemble the assembly of the entire roll. Therefore, it is necessary to provide a roll unloading mechanism with simple operation, high efficiency and small space occupation to meet the requirements of the rolling mill. When the existing roll unloading mechanism replaces the roll ring, the roll ring cannot be replaced separately, and the entire roll mechanism needs to be pulled out of the frame as a whole, which is inefficient. Contents of the invention [0003] In order to overcome the deficiencies of the prior art above, the purpose of the presen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B31/10
Inventor 陈灿赵西韩马强刘磊王仕杰周文浩贾尚武
Owner CHINA NAT HEAVY MACHINERY RES INSTCO
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