The invention relates to a fuel tank covering part protection device which is arranged in the front direction and the rear direction of a fuel tank respectively and composed of protection devices of the same structure, and each protection device comprises a protection plate, a lock catch, a gasket, a countersunk bolt, a gasket and a nut. Turnups facing the fuel tank are arranged on the periphery of the protection plate, a plurality of lock catches are arranged on the turnup on each side in parallel, and each lock catch is fixedly connected with the protection plate through a countersunk bolt, a gasket, a gasket and a nut. According to the technical scheme, through the protection plate structure, the covering parts are additionally arranged in the front-back direction of the fuel tank for protection, the collision damage failure rate of the fuel tank is reduced, and the original structural design and maintenance convenience are not affected by the additionally arranged covering parts.
本发明涉及一种燃油箱覆盖件防护装置,分别设置于燃油箱的前后方向,由结构相同的防护装置组成,防护装置包括防护板、锁扣、垫圈、沉头螺栓、垫片及螺母;防护板的四周设置有向燃油箱方向的翻边,在每侧的翻边上平行设置有多个锁扣,每个锁扣均通过沉头螺栓、垫圈、垫片及螺母与防护板固定连接。本技术方案通过防护板结构,在燃油箱的前后方向增加覆盖件防护,降低燃油箱碰撞损坏故障率,并且增加的覆盖件不影响原有的结构设计及维修方便性。
Protective device for fuel tank covering part
一种燃油箱覆盖件防护装置
2023-07-25
Patent
Electronic Resource
Chinese
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
Aircraft wing fuel tank covering cap and structure of covering cap peripheral area
European Patent Office | 2020
|