2results about How to "From impact" patented technology

The utility model belongs to the field of negative ion detection technology discloses air negative ion automatic observation appearance, including the casing, the inside fixed mounting of casing has negative ion sensor and controller, negative ion sensor sets up two, can alternately use two negative ion sensors all with controller electricity is connected, the side fixed embedding of controller has display screen, display screen and controller electricity is connected, the utility model sets up two alternately usable negative ion sensors, through controller time -sharing switch working condition. When one sensor detects, another can start fan reversal and carry out self -cleaning, avoid single sensor failure and lead to equipment shutdown, satisfy long -term continuous monitoring demand, reduce maintenance influence to monitoring continuity, the reverse convex sealing ring between lower porcelain cover and lower insulating cover is under the spring pressure effect, closely fits lower porcelain cover inner wall and lower insulating cover bottom, effectively prevents air leakage, guarantees the detection airflow stability.

The utility model discloses a super -large -scale hydraulic excavator walking hydraulic system shield, including walking hydraulic line shield and walking motor shield, walking hydraulic line shield is connected as an organic whole through bolt with walking motor shield, wherein: walking motor shield includes walking motor upper cover and walking motor lower cover, and walking motor upper cover is fixedly connected with walking motor lower cover through bolt, and walking motor lower cover is fixedly connected with longitudinal beam through bolt, walking hydraulic line shield includes walking hydraulic line upper cover and walking hydraulic line lower cover, and one end of walking hydraulic line upper cover and walking hydraulic line lower cover is fixedly connected with walking motor lower cover through bolt, and the other end of walking hydraulic line upper cover and walking hydraulic line lower cover is fixedly connected with H frame through bolt, the utility model discloses simple overall structure is convenient for walking motor and walking hydraulic line overhaul, and effectively protects walking motor and walking hydraulic line from the accumulation of gravel and soil, rainwater erosion and ground protruding stone impact and abrasion.