Shock isolator for shock resistance overload protection

Abstract

The invention relates to an impact resistance overload protection shock isolator, which includes an upper mounting body and a lower mounting body. An elastomer is between the upper mounting body and the lower mounting body. The shock isolator is characterized in that the elastomer comprises a pull rod and a mounting barrel is sheathed at the lower part of the pull rod. The lower end of the mounting barrel is provided with a check ring, in which a bearing bottom plate connected with the pull rod is arranged. A pressure barrel is sheathed at the upper part of the pull rod. The lower end of the pressure barrel and the upper end of the mounting barrel are respectively provided with an outer convex edge and an inner convex edge and the excircle of the pressure barrel and the inner convex edge of the mounting barrel are in sliding fit. A pull pressure spring is sheathed at the lower part of the pull rod and the upper end and the lower end of the pull pressure spring respectively lean against the outer convex edge and the bearing bottom plate. The outer side of the mounting barrel is provided with a circumferential boss. The lower mounting body is provided with a bottom plate c at the lower end and with a top cap at the upper end. The lower surface of the top cap is a sphere, which is sheathed on the circumferential boss of the mounting barrel. The lower part of the mounting barrel is provided with a torsional spring. The upper end of the pull rod is provided with a ball head and a spherical cavity matched with the ball head. The shock isolator has high impact resistance, is not easily damaged, can ensure the battle effectiveness and life of equipment, and is applicable to navigation and sight devices.

Description

technical field [0001] The invention relates to a vibration isolation device. Specifically, it is a shock isolator for anti-shock overload protection with anti-shock protection function. It is especially suitable for navigation and aiming equipment of military equipment such as ships, aircraft, tanks and missiles. Background technique [0002] It is well known in the military that when military equipment such as ships, aircraft, tanks and missiles are attacked by the enemy in battle, or during the firing of ammunition, they will all be subjected to violent shock loads. When this shock load is severe, it will cause damage to the equipment. In order to reduce the impact and damage of shock loads on military equipment, anti-shock overload protection shock isolators are mostly installed between military equipment and the installation foundation. [0003] Traditional anti-shock overload protection shock isolators such as figure 1 shown. The shock isolator contains an elastic...

AI Technical Summary

Problems solved by technology

However, the navigation and aiming equipment of military equipment need to maintain rigidity during normal operation. If this kind of shock isolator is used, it will cause displacement between the equipment and the foundation, greatly reducing the navigation accuracy and aiming accuracy.

Therefore, this shock isolator can only be used on ordinary military equipment, and cannot be used on precision military equipment such as navigation and aiming.

Since the traditional anti-shock overload protection shock isolator cannot be used on precision military equipment such as navigation and aiming, only direct rigid connections can be taken between precision military equipment such as navigation and aiming and the foundation, and shock resistance The ability is not high. When attacked by enemy weapons, it is very easy to damage, which seriously affects the combat effectiveness and vitality of the equipment.

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