Inventor

ZHANG JIXIONG

CN18 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG JIXIONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHANG JIXIONG

UNIV CHINA MINING

Mechanical rocker arm-type vertical feeding cushioning device

Method for radially mining open-pit end slope pressed coal

Mine exploitation based on stoping, separation and filling control

System and method for monitoring bearing compression rate of filler in coal mine gob area

Base mechanism of single prop capable of being unloaded at reduced pressure

Method of recovering room-and-pillar coal pillar by using external replacement supports

Internally injected replacement support room-type coal pillar recovery method

Solid-filling coal mining feeding and conveying monitoring system

Method for determining load-bearing deformation of solid waste materials and system and device and medium thereof

Method for recovering room-type coal pillars by cemented filling of reserved roadways

Apparatus and method for pre-loading mechanical constant-resistance single prop

Method for designing supporting parameters of transition support for mixed mining face of filling and fully-mechanized mining

Process method for withdrawing and recovering mechanical constant-resistance single prop

Device and method for detecting wall abrasion of solid filler feeding well

Method for determining physical similarity simulation material of solid backfill body

Method for recovering room-mining coal pillars by solid filling in synergy with artificial pillars

Method for removing hydraulic support for solid filling coal mining

UNIV CHINA MINING & TECHNOLOGY

Inclined layered solid-filling mining method in ultrathick coal layer