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Nut splitter

A technology of nut breaking and cutting, which is applied in the direction of shearing device, hand-held metal shearing equipment, shearing machine equipment, etc., can solve the problem of hydraulic cylinder damage, and achieve the effect of solving the problem of disassembly and replacement

Active Publication Date: 2014-04-02
上海瑞纽机械股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The hydraulic nut cutter can easily cut nuts. However, when cutting nuts, the force point of the cutter is often not aligned with the center line of the hydraulic push rod, that is, the piston rod of the hydraulic cylinder. On the line, breaking the nut will generate a large torque, so after a period of use, the hydraulic cylinder will be damaged

Method used

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Embodiment Construction

[0021] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. These descriptions are descriptive and exemplary only.

[0022] see Figure 1~6 , the nut cutter of the present invention comprises a body frame 10, a hydraulic cylinder 20, a slide block 30, a moving knife 40 and a fixed knife 50, and the hydraulic cylinder 20 is fixedly mounted on the body frame 10; A pair of guide grooves 11 are provided, and the two ends of the slider 30 are matched with the guide grooves 11 and placed in the guide grooves 11 respectively. The two ends of the slider 30 can be placed in the guide grooves 11 The sliding block 30 is fixedly connected to the piston rod 21 of the hydraulic cylinder 20 ; the moving knife 40 is fixedly connected to the sliding block 30 , and the fixed knife 50 is fixed on the body frame 10 .

[0023] The fixed connection between the movable knife 40 and the slider 30 can be directly mounted on the ...

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PUM

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Abstract

The invention relates to a nut splitter, which comprises a main body frame, a hydraulic cylinder, a sliding block, a movable knife and a fixed knife, wherein the hydraulic cylinder is fixedly installed on the main body frame; the main body frame is provided with one pair of guide slots; two ends of the sliding block are matched with the guide slots and are respectively arranged in the guide slots; two ends of the sliding block can slide in the guide slots; the sliding block and the piston rod of the hydraulic cylinder are fixedly connected; the movable knife is fixedly connected with the sliding block; the fixed knife is fixedly installed on the main body frame. According to the nut splitter disclosed by the invention, fire and electricity are not used, bolt screw threads are not damaged, and therefore the difficulty of disassembling and replacing bolts and nuts can be conveniently, quickly, safely and efficiently solved.

Description

technical field [0001] The invention relates to the technical field of nut removal tools; in particular, the invention relates to a nut cutter. Background technique [0002] Nuts widely used in industrial production are exposed to high temperature or corrosive environments in the open air. Some are rusted to death, and some are damaged due to bumping. In short, it is very difficult to disassemble the nuts if there is a problem. In the past, the nuts and bolts were usually cut off by gas welding. However, in some special working conditions, it is sometimes strictly forbidden to use fire (electric) welding operations, such as coal powder bunkers in power plants, high-pressure and high-temperature pipelines in oil pipelines, etc. At the same time, it is even more helpless to replace the nuts and bolts. [0003] Concrete sleeper spike nuts will corrode on the spike bolts due to maintenance and environmental reasons and cannot be removed. If the bolts are damaged by gas welding,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P11/00
CPCB23D29/007
Inventor 宋正忠包园园焦红武
Owner 上海瑞纽机械股份有限公司
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