3results about How to "Convenient for regular inspection" patented technology

The utility model discloses a liquid nitrogen injection assembly, including the storage tank, the storage tank fixedly connected with the feed inlet, the feed inlet is connected with the sealing cover, and the inside insertion of sealing cover has injection pipe, and one end fixedly connected with the positioning cylinder of injection pipe, through setting the cooperation and use of storage tank, feed inlet, sealing cover, injection pipe, air inlet pipe, the cooperation and use of the blocking assembly of type frame and plugging assembly, the close cooperation of sealing cover and feed inlet, and the setting of blocking assembly, effectively prevent the leakage of liquid nitrogen in the storage and injection process, reduced the security risk of liquid nitrogen leakage and caused, such as personnel frostbite, equipment freeze damage and environmental pollution etc, and the blocking assembly and sealing cover etc.

The utility model discloses a prevent liquid tray of installing on horizontal battery holder, including tray body, the bottom of tray body is provided with cooperation groove, fixed part, fixed part swing plug -in cooperation groove in tray body, fixed part includes the base plate of extending along vertical direction and the card tongue of extending along horizontal direction, be equipped with fixed hole on the base plate, cooperation groove includes the sliding slot of setting up in tray body bottom, for fixed part sliding embedding, cooperation groove still includes along the slot of extending to the insertion slot of card tongue insertion to the inside. The utility model discloses through setting up detachable fixed part and horizontal battery holder cooperation, make tray body can install to horizontal battery holder quickly, simply, also facilitate to carry out regular inspection, cleaning or replacement, utilize the guide insertion of sliding slot and insertion slot, realize the quick connection of fixed part with horizontal battery holder through fixed hole, can also ensure that tray body is not easy to displace or fall off because of vibration or external force after installation.

The utility model discloses a kind of online safety real-time monitoring devices of foundation pit, belong to building construction technical field, the online safety real-time monitoring device of this foundation pit, including connecting pipe, the connecting pipe outer wall bottom is fixedly connected with mounting ring, the rotatory component top is fixedly connected with detector, the connecting pipe outer wall one side top is equipped with protection component, the utility model is through being provided rotatory component, without frequently running between different detection points to rearrange equipment, simultaneously, only need to pass through rotatory component adjustment detector direction and angle, can greatly reduce manpower input, by setting protection component, the erosion of ultraviolet, oxygen, moisture and other factors to device shell and internal material can be blocked, slow down the aging speed of material, simultaneously, device internal spare and accessory can also be reduced wear and tear, reduce failure incidence, and convenient to dismount and install, facilitate maintenance personnel to the device is regularly checked and maintained, improve management efficiency.