The invention relates to a bottom plate for the bottom overhaul of the converter device of high-speed EMU, which is specifically an anti-stripping bottom plate of the converter device of EMU. The bottom plate is provided with bolt mounting holes, locking mounting holes and anti-unlocking mounting holes. The bottom plate and the box body are connected by fastening bolts to realize the first-level anti-stripping of the bottom plate; the locking lock is installed on the bottom plate through the locking mounting hole, and the locking tongue is rotated and unlocked. The box frame realizes overlap, realizes the second-level anti-release of the floor, and the anti-release is installed on the floor through the anti-release installation hole. The lock tongue of the box frame realizes overlap by rotating, so as to realize the third-level anti-release of the floor. At the same time, three connection modes, fastening bolt, tightening lock and anti-unlocking, are adopted to connect the bottom plate of converter device with the box body, which effectively realizes the multi-level anti-stripping function of the bottom plate, greatly reduces the risk of the bottom plate falling off, and minimizes the hidden danger of affecting the operation safety of EMU due to the bottom plate falling off.
【技术实现步骤摘要】
动车组变流装置防脱型底板
本专利技术涉及高速动车组变流装置底部检修用底板,具体为动车组变流装置防脱型底板。
技术介绍
在动车组运行过程中,为避免变流装置底部检修用底板脱落影响动车组安全运行,检修用底板需采用可靠的防脱设计。现有高速动车组上变流装置底部检修用底板的防脱设计方案为:在底板与箱体上开相应的螺栓孔,通过螺栓与变流装置箱体进行连接。以检修用底板3为例说明,检修用底板3开9个螺栓孔,通过9个螺栓连接至变流装置箱体底部。检修用底板3安装示意如图3所示,底板与箱体间的连接仅通过螺栓连接,仅有一级防脱措施。若螺栓松动掉落,底板将会脱落,影响动车组运行安全。本专利技术在既有的螺栓紧固防脱结构的前提下,同时采用特殊锁具,在螺栓全部掉落的情况下,特殊锁具仍可保证底板与箱体的正常连接,实现底板的多级防脱功能。
技术实现思路
本专利技术针对上述问题,提供了动车组变流装置防脱型底板,实现高速动车组变流装置检修用底板多级防脱功能。本专利技术是采用如下的技术方案实现的:动车组变流装置防脱型底板,底板上设置螺栓安装孔、拉紧锁安装孔和防脱锁安装孔,紧固螺栓安装在螺栓安装孔内,底板与箱体通过 ...
【技术保护点】
1.动车组变流装置防脱型底板,其特征在于底板上设置螺栓安装孔、拉紧锁安装孔和防脱锁安装孔,紧固螺栓(1)安装在螺栓安装孔内,底板与箱体通过紧固螺栓进行连接,实现底板的第一级防脱;拉紧锁(2)通过拉紧锁安装孔安装在底板上,其锁舌通过旋转,与箱体框架实现搭接,在紧固螺栓松动掉落的情况下可保证底板不会脱落,实现底板的第二级防脱,防脱锁(3)通过防脱锁安装孔安装在底板上,其锁舌通过旋转,与箱体框架实现搭接,在紧固螺栓松动掉落且拉紧锁开启的情况下仍可保证底板不会脱落,实现底板的第三级防脱。
【技术特征摘要】
1.动车组变流装置防脱型底板,其特征在于底板上设置螺栓安装孔、拉紧锁安装孔和防脱锁安装孔,紧固螺栓(1)安装在螺栓安装孔内,底板与箱体通过紧固螺栓进行连接,实现底板的第一级防脱;拉紧锁(2)通过拉紧锁安装孔安装在底板上,其锁舌通过旋转,与箱体...
【专利技术属性】
技术研发人员:管俊青,卫钢,董启政,沈迪,吴楠,丁巧娅,胡明庆,解鹏,
申请(专利权)人:中车永济电机有限公司,
类型:发明
国别省市:山西,14
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