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Liquid-solid mixing medium vibration isolator

A technology of mixed medium and vibration isolator, applied in the direction of liquid shock absorber, shock absorber, shock absorber, etc., to achieve the effect of easy structural design, convenient replacement and maintenance, and broad development prospects

Inactive Publication Date: 2009-02-11
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the field of vibration isolation, there is no application similar to the present invention

Method used

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  • Liquid-solid mixing medium vibration isolator
  • Liquid-solid mixing medium vibration isolator
  • Liquid-solid mixing medium vibration isolator

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0021] see figure 1 , the liquid-solid mixed medium vibration isolator of the present invention comprises 1 power machine; 2 guide sleeves; 3 hydraulic oil cylinders; 4 sealing rings; 5 exhaust valves; 6 pistons and piston rods; Put it into the hydraulic cylinder 3, inject hydraulic oil, such as No. 40 hydraulic oil, to form the liquid-solid mixed medium 7, and put the piston and piston rod 6 into the hydraulic cylinder 3, and pass the air between the liquid-solid mixed medium 7 and the piston 6 through it. Exhaust the exhaust valve 5 on the top, install the guide sleeve 2, connect the piston rod 6 with the power machine 1, the disturbance force generated by the power machine 1 acts on the hydraulic oil through the piston rod and piston 6, and the solid deformation unit in the oil Contracting and expanding under pressure, the piston 6 moves axially in the hydraulic cylinder 3. Under the joint action of unit deformation and damping, the vibration energy is greatly absorbed and ...

no. 2 example

[0023] see image 3 , the communication device type liquid-solid mixed medium vibration isolator of the present invention includes 1 power machine; 2 guide sleeve; 3 hydraulic cylinder; 4 sealing ring; 5 exhaust valve; 6 piston and piston rod; Valve; 9 hydraulic lines; 10 connector type oil cylinder; the solid deformation unit with rubber pipe plugs at both ends sealed and a metal spring placed in the middle is put into the connector type oil cylinder 10, and hydraulic oil is injected, such as No. 40 hydraulic oil, to form a liquid The solid mixed medium 7, the piston and the piston rod 6 are loaded into the hydraulic cylinder 3, and the air between the lower part of the piston 6 and the hydraulic oil is emptied through the air release valve 5 on it, and the liquid-solid mixed medium 7 and the connector-type The air between the cylinders 10 is emptied through the air release valve on the top; the guide sleeve 2 is installed, the piston rod 6 is connected with the power machine...

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Abstract

The invention relates to a liquid-solid mixed medium vibration isolator, belonging to the field of hydraulic vibration isolation and vibration damping technology. The invention is characterized in that the liquid-solid mixed medium vibration isolator comprises a hydraulic cylinder (3), a guide sleeve (2), a piston rod and a piston (6), wherein the hydraulic cylinder (3) is internally loaded with a liquid-solid mixed medium (7) which is composed of an oil resistant solid deformation unit and hydraulic medium. Another deformation form is as follows: a fluid chamber is internally provided with hydraulic medium, the hydraulic cylinder is further connected with a communicating vessel type cylinder, which is internally loaded with the liquid-solid mixed medium, through a pipeline. The parameters of the vibration isolator can be accurately calculated and designed; according to concrete vibration isolation requirements, excellent vibration isolation and damping performances can be realized through different combinations of the solid deformation unit; if required, the vibration isolator can be conveniently and quickly repaired and replaced.

Description

technical field [0001] The liquid-solid mixed medium vibration isolator of the invention belongs to the technical field of hydraulic vibration isolation and damping. Background technique [0002] It is the most effective method to control the vibration transmission caused by the power plant and mechanical equipment to meet the design requirements and adopt vibration isolation measures. [0003] The hydraulic shock absorber uses hydraulic oil as the working medium and utilizes the viscous damping effect of the oil to form a certain pressure difference before and after the throttle port or valve, and convert the kinetic energy of vibration into liquid pressure energy to attenuate and absorb. In the field of vibration isolation, there is no application similar to the present invention. Contents of the invention [0004] The main purpose of the present invention is to provide a type of liquid-solid mixed medium vibration isolator. Under the action of oil pressure, all solid d...

Claims

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Application Information

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IPC IPC(8): F16F9/19F16F9/34
Inventor 陈前滕汉东张树桢
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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