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An ultra-precise aerostatic weight traction device

A technology of air static pressure and traction device, which is applied in the direction of lifting device and hoisting device to achieve the effect of ensuring accuracy and precise circumferential positioning

Active Publication Date: 2016-07-20
SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to its own characteristics of air static pressure, it needs to be equipped with a complete set of air supply equipment, and the environmental requirements are relatively strict, which limits its use.

Method used

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  • An ultra-precise aerostatic weight traction device
  • An ultra-precise aerostatic weight traction device
  • An ultra-precise aerostatic weight traction device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0021] refer to figure 1 , Figure 4 As shown, after the traction steel wire 23 is fixedly connected with the steel ball 20, the steel ball 20 is put into the steel ball positioning sleeve 19, and after adjusting the contact angle and contact position between the steel ball 20 and the steel ball positioning sleeve 19, the steel ball lock The tightening screw 18 fixes the location and locking of the traction steel wire fixing steel ball 20.

[0022] The steel ball positioning sleeve 19 is coaxially positioned and installed with the weight connecting cover 22, and is pressed and locked by the locking nut 21.

[0023] The weight connection cover 22 is connected with one end of the weight 5 , and is connected with the other end of the weight 5 after the counterweight rod 4 is fixed on the counterweight end cover 3 .

[0024] The restr...

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PUM

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Abstract

The invention discloses an ultra-precision air static pressure heavy hammer traction device, which is mainly composed of a heavy hammer, a heavy hammer shaft sleeve, a heavy hammer frame and a traction steel wire, and a plurality of throttles are uniformly arranged on the heavy hammer shaft sleeve A restrictor is installed at the position of the throttle hole, and the weight shaft sleeve is fixed coaxially with the weight base, and the gas is sealed by a pneumatic O-shaped rubber sealing ring to form a static air pressure. The bottom and top ends of the weight bushing are respectively coaxially equipped with a weight sealing lower cover and a weight sealing upper cover to form a gas return cavity, and the weight is put into the weight bushing. By adopting the technical solution of the invention, the traction force is constant, accurate and adjustable, there is no gap and no backstroke difference in forward and reverse motion, and the weight has no lateral, radial swing and vertical rotational motion.

Description

technical field [0001] The invention relates to an ultra-precise drive system, in particular to an ultra-precise aerostatic weight traction device. Background technique [0002] The ultra-precision driving mechanism is an indispensable and important part of high-precision instruments and equipment. The weight traction device using gravity as the driving force is a kind of ultra-precision driving. The advantage of gravity as the driving force is that the size is constant and the direction is constant. is ideal for traction. However, due to the characteristics of the structure of the traditional heavy hammer traction mechanism, there are inevitably lateral and radial swings, and there are shortcomings such as vertical rotation around itself, which will have a negative impact on the output traction force. The ultra-precision air static pressure hammer traction device in the present invention adopts the air static pressure technology to design the weight structure. Due to the c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66F19/00
Inventor 刘斌蔡黎明
Owner SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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