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A small load high speed, large load low speed cylinder

A large load, small load technology, applied in the direction of fluid pressure actuators, etc., can solve the problems of long stroke of the main cylinder, low production efficiency, long time period, etc., to improve productivity, reduce energy waste, and shorten the working cycle time Effect

Active Publication Date: 2015-09-16
CHINA NAT HEAVY MACHINERY RES INSTCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the stroke of the main cylinder involved in equipment such as balers or slag removal machines is relatively long, and the time period in the process of advancing and retracting is relatively long, resulting in a large waste of energy. Taking the slag removal machine as an example, assuming that the main cylinder is 4 meters long and the movement The speed is calculated according to V=100mm / S. Assuming that the forward and retract speeds are equal, it takes nearly 80 seconds for a working cycle. Most of the time is doing useless work, the time cycle is long, the production efficiency is low, and the energy waste is large

Method used

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  • A small load high speed, large load low speed cylinder
  • A small load high speed, large load low speed cylinder
  • A small load high speed, large load low speed cylinder

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Embodiment Construction

[0019] The present invention relates to the technical field of energy saving of equipment such as balers or slag removal machines, specifically, without adding additional large investment, by making some improvements to the existing equipment oil cylinder and control circuit, the working cycle can be shortened, productivity can be improved, The purpose of reducing energy waste.

[0020] see figure 2 , Figure 4 , the concrete structure of a kind of small-load high-speed, big-load low-speed cylinder that the present invention relates to is:

[0021] Including a cylinder 7, a piston 9, a seal ring 10, a hollow first piston rod 5, a hollow second piston rod 11 and a control circuit for controlling the expansion and contraction of the oil cylinder; wherein,

[0022] One end of the second piston rod 11 is connected with the piston 9 in the cylinder body 7, and the other end passes through the cylinder body 7; one end of the first piston rod 5 is connected with the cylinder body ...

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Abstract

The invention relates to a low-load high speed / heavy-load low speed cylinder comprising a cylinder body, a piston, seal rings, a hollow first piston rod, a hollow second piston rod, and a control circuit for controlling telescoping of the cylinder. One end of the second piston rod is connected with the piston inside the cylinder body, and the other end of the second piston penetrates out of the cylinder body. One end of the first piston rod is connected with the cylinder body, and the other end of the first piston rod penetrates the second piston rod. One seal ring is arranged between the second piston rod and the piston, another seal ring is arranged between the second piston rod and the cylinder body, and the remaining seal ring is arranged between the first piston rod and the second piston rod. A piston cavity is formed between the cylinder body and the piston. A piston rod cavity is formed among the cylinder body, the second piston rod and the piston. A complex cavity is formed between the first piston rod and the second piston rod. One end of the first piston rod, connected with the cylinder body, is provided with a third oil hole, the cavity wall of the piston cavity is provided with a first oil hole, and the cavity wall of the piston rod cavity is provided with a second oil hole. The low-load high speed / heavy-load low speed cylinder has the advantages that while no additional input is added, operating cycle is shortened, production efficiency is improved and energy waste is reduced.

Description

technical field [0001] The invention relates to a small-load high-speed and large-load low-speed cylinder. Background technique [0002] At present, the stroke of the main cylinder involved in equipment such as balers or slag removal machines is relatively long, and the time period in the process of advancing and retracting is relatively long, resulting in a large waste of energy. Taking the slag removal machine as an example, assuming that the main cylinder is 4 meters long and the movement The speed is calculated according to V=100mm / S. Assuming that the forward and retract speeds are equal, it takes nearly 80 seconds for a working cycle. Most of the time is doing useless work, the time cycle is long, the production efficiency is low, and the energy waste is large. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a small-load high-speed and large-load low-speed cylinder to overcome the defects in the prior art....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/14F15B15/22
Inventor 解通护郭星良吴伟陈国防
Owner CHINA NAT HEAVY MACHINERY RES INSTCO
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