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hook

A hook and ejector technology, which is applied in the aviation field, can solve problems such as easy decoupling, fatigue and fracture of the hook, and achieve the effect of ensuring reliability

Active Publication Date: 2020-04-03
CHINA HELICOPTER RES & DEV INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the durability test, there were problems such as the bomb hook's automatic grab hook grabbing the hook and lifting the basket, and the hook was prone to fatigue and fracture.

Method used

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Embodiment Construction

[0017] The application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the related application, not to limit the application. In addition, it should be noted that, for ease of description, only parts relevant to the present application are shown in the drawings.

[0018] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0019] It should be noted that, in the description of the present application, the terms "first" and "second" are only used for description purposes, and should not be understood as indicating or implying relative importance.

[0020] In addition, it should be noted that in the d...

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Abstract

The invention provides a hanging hook. The hanging hook comprises a bomb hook, a triggering propping rod and two telescoping rods, wherein the triggering propping rod penetrates a hanging hook body, and one end of the triggering propping rod is propped to the bomb hook, and the other end of the triggering propping rod is provided with an elastic device; the bomb hook is capable of driving the triggering propping rod to move in the first direction; the triggering propping rod is driven by the elastic device to move in the second direction; the two telescoping rods are connected to the triggering propping rod in a pivoting manner and penetrate the hanging hook body; the triggering propping rod moves in the first direction to drive the two telescoping rods to arrive at a first position; the triggering propping rod can move in the second direction to drive the two telescoping rods to arrive at a second position; when arriving at the first position, the two telescoping rods are vertical tothe triggering propping rod and are propped to the bomb hook; and when arriving at the second position, the two telescoping rods are in preset angles relative to the triggering propping rods.

Description

technical field [0001] The application relates to the field of aviation technology, and specifically provides a suspension hook. Background technique [0002] Helicopter landing gear durability drop test is the way to obtain important supporting data for helicopter take-off and landing service life. The durability test has the characteristics of long cycle and full automation, so it puts forward high requirements for the reliability of test implementation. In the durability test, there are problems such as easy decoupling of the bomb hook when the automatic grabbing hook grabs the hook and lifts the basket, and the hook is easy to fatigue and break. Contents of the invention [0003] In order to solve at least one of the above-mentioned technical problems, the present application provides a hook, including: a bomb hook; a trigger push rod, which passes through the main body of the hook and abuts against the bomb hook at one end, and an elastic device is provided on the oth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C1/34B66C1/36
CPCB66C1/34B66C1/36
Inventor 刘军乐王宇奇陈爱军
Owner CHINA HELICOPTER RES & DEV INST
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