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State Grid Henan Electric Power Research Institute

State Grid Corporation of China

State Grid Henan Electric Power Corporation Electric Power Science Research Institute

Zhongbin Lv

Bo Liu

Qing Shuang Li

Chao Wang

Yupeng Zhang

Ming Lu

Wei Yang

Kai Nang Pang

Songyang Zhang

Furong Liu

Leilei Wang

Zhuangzhuang Zhang

Donghui Wang

Degui Yao

Guangzhou Wang

Bo Zhang

Shujie Zhao

Yinhao Bai

Jinfeng Geng

Wenjun Ai

Mengli Li

Gaoli Song

Huiping Wang

Pengliang Ren

Jianhua Yong

Yingbiao Shao

Jianlin Wei

Xiaohui Yang

Weipo Liu

Xu Tian

Kai Xie

Longyuan Chen

Yuan Li

Xiaoshi Kou

Zehui Liu

Xing Guo

Huan Ren

Kai Pang

Rui Chen

A soundproof door system includes a chute; a door body, where a bottom of the door body is inserted into the chute and able to slide along the chute; a first roller disposed on the bottom of the door body and supported on a bottom wall of the chute; a first soundproof plate provided with a first end connected to the door body and a second end abutting against an inner wall of the chute; a second soundproof plate provided with a third end connected to the door body and a fourth end abutting against the inner wall of the chute; and the first end and the third end are respectively located on two sides of the door body, and the second end and the fourth end are respectively located on both sides of the door body.

Soundproof door system

A rigid-collision-free transmission line spacer clamp connection structure includes a spacer frame, rotating joint rubber gaskets and spacer connecting clamps, the spacer frame being uniformly provided with a plurality of rotating joint slots that are rotationally connected with spacer connecting clamps, adopting a 'spacer frame, rotating joint rubber gasket and spacer connecting clamp body tail' connection form. The spacer connecting clamp has a connecting rod and a clip, the connecting rod being provided with a connecting rod mounting hole at a rear end and the rotating joint slot being provided with a rotating joint rubber gasket and a spacer connecting clamp rotating shaft therein. The spacer connecting clamp rotating shaft penetrates through the connecting rod mounting hole and a rotating joint rubber gasket mounting hole.

Rigid-collision-free transmission line spacer clamp connection structure

Growing community of inventors

Henan, China

Zhongbin Lv