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ejection arresting device

A technology of blocking device and cylinder, which is used in stopping device, launch/drag transmission device, etc., can solve the problems of complex structure and poor sealing effect, and achieve the effect of reducing the length of the cylinder, improving the sealing performance, and being easy to manufacture and install.

Active Publication Date: 2017-09-29
宁波锐智航道工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The problem to be solved by the present invention is to provide an ejection blocking device to overcome the defects of poor sealing effect and complex structure in the prior art

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Such as Figure 1 to Figure 4 As shown, an ejection arresting device of the present invention includes a pulley block 1, a drawbar 2, a high-pressure gas storage device 4 and a cylinder 5; the pulley block 1 is connected to several cylinders 5 through the drawbar 2; the cylinder 5 includes a piston 3; the piston 3 is connected to the draw rod 2; a high-pressure liquid sealing chamber 6 is provided at the joint between the interior of the cylinder 5 and the draw rod 2; the upper and lower ends of the high-pressure liquid sealing chamber 6 are provided There is a labyrinth seal cavity 7, which communicates with the high-pressure liquid seal cavity 6; the high-pressure liquid seal cavity 6 communicates with the high-pressure gas storage device 4; the other end of the pulley block 1 is connected with the ejector.

[0022] The high-pressure gas storage device 4 includes a high-pressure gas storage tank 8 and a liquid storage tank 15; the high-pressure gas storage tank 8 comm...

Embodiment 2

[0027] Such as Figure 7 and Figure 8 Mount the ejection arrester on the transport vehicle as shown. Drive the transport vehicle 37 to a predetermined position, push the ejection blocking device to a predetermined height angle with a hydraulic cylinder 38, turn the ejection frame 40 to a predetermined azimuth angle with the turntable 39, and slide the bottom of the ejection frame 40 to the predetermined position with the ejection frame slide frame 41 On the ground, slide the rear seat baffle plate 42 into the base groove dug in advance to carry out the ejection work, and the ejection principle is consistent with Embodiment 1 and will not be repeated here.

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PUM

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Abstract

The invention provides an ejection blocking device, which includes a pulley block, a draw bar, a high-pressure gas storage device and a cylinder; the pulley set is connected to several cylinders through the draw bar; the cylinder includes a piston; the piston is connected to the draw bar Rod connection; a high-pressure liquid seal chamber is provided at the joint between the cylinder and the draw rod; a labyrinth seal chamber is provided at the upper and lower ends of the high-pressure liquid seal chamber, and the labyrinth seal chamber communicates with the high-pressure liquid seal chamber ; The high-pressure liquid sealed chamber communicates with the high-pressure gas storage device; the other end of the pulley block is connected to the ejector. The invention has good sealing effect and simple structure.

Description

technical field [0001] The invention relates to an ejection blocking device. Background technique [0002] At present, aircraft assisted ejection around the world mainly includes steam catapults, electromagnetic catapults and towed two-way gas ejection devices, blocking devices mainly include hydraulic damping drag cables, and cold launch catapults mainly include gas ejection devices. Gas catapults were originally invented by Russia, and later introduced and used by China. The main disadvantage is that the launch cycle is slow. At present, the United States still uses thermal launch technology for cold launches on Aegis destroyers. Steam catapults have been used for more than 60 years to propel aircraft, and are currently the most mature one. However, the disadvantages of this method are that the thrust is small, and a large amount of fresh water is consumed. There is no room for upgrading in all aspects. At present, electromagnetic catapults have been successfully develope...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64F1/10B64F1/06B64F1/02
Inventor 裘尧云刘雄波
Owner 宁波锐智航道工程有限公司
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