5results about How to "Realize maintenance work" patented technology

The invention provides a railway track maintenance rust mark polishing device, and relates to the technical field of railway track maintenance, the railway track maintenance rust mark polishing device comprises a moving frame, the upper surface of the moving frame is provided with a dissolving mechanism and a polishing mechanism for dissolving and polishing track rust, and two sides of the moving frame are respectively provided with a driving mechanism for driving the moving frame to move on a railway track. According to the device, the dissolving mechanism is arranged, a sodium hydroxide dissolving solution is evenly sprayed to the surface of a railway track through an atomizing nozzle, and when sodium hydroxide reacts with rust, soluble ferrite can be generated, so that the rust is separated from the railway track; meanwhile, a grinding mechanism is arranged, the railway track is repeatedly rubbed through a brush, so that grinding and rust removal of the surface of the railway track are achieved, purified water is sprayed through a high-pressure spray head in the friction process, a sodium hydroxide solution and ferrite remaining on the surface of the railway track are washed away, and the high-pressure spray head can also wash away rust attached to the brush; therefore, the maintenance for removing the rust on the surface of the railway track is realized.

The invention provides a vehicle-mounted subway tunnel automatic maintenance machine. The vehicle-mounted subway tunnel automatic maintenance machine comprises a vehicle body assembly; the maintenance assembly is detachably connected with the vehicle body assembly; the maintenance assembly comprises one or more of a spraying structure, a polishing structure and a beating structure; the seat assembly is connected with the vehicle body assembly; the image acquisition assembly is arranged on the vehicle body assembly; the maintenance execution assembly comprises a height-adjustable structure, a rotating disc and a movable structure. The height-adjustable structure is connected with the vehicle body. The turntable is rotationally connected with the height-adjustable structure; the movable structure is connected with the rotary disc, and the movable end of the movable structure can be changed relative to the vehicle body in the spatial position. The movable structure is provided with a connecting part used for being detachably connected with the maintenance assembly. And the control assembly is arranged on the vehicle body assembly. The device can realize automatic detection and maintenance operation, and also has the characteristic of high detection efficiency. Through the mutual cooperation of the plurality of acquisition structures, the image acquisition of the surrounding environment of the device can be carried out in all directions.

This application relates to a dust removal device for a spunlace nonwoven fabric factory, comprising: a suction hood with a gas flow channel formed inside; a forward and reverse motor mounted on the suction hood, with fan blades connected to the output shaft of the motor for driving gas to move within the gas flow channel; a filter screen connected to the suction hood and separating the gas flow channel; a mounting frame with a central rod connected to the suction hood, a waste collection bag coaxially connected to the central rod, the end of the waste collection bag near the filter screen being open to abut against the inner wall of the suction hood, and gas being able to pass through the waste collection bag; and an opening and closing control module for changing the opening and closing state of the waste collection bag, the opening and closing control module being connected to the central rod and the waste collection bag; having the effect of cleaning impurities adhering to the filter screen while reducing damage to the filter screen structure, thereby ensuring the filtration effect.

The present invention relates to a denitration absorption tower structure, comprising a tower body and a filtering mechanism located inside the tower body, wherein the filtering mechanism comprises a substrate and a plurality of denitration units; the substrate is a cylindrical shell structure arranged parallel to the inner wall of the tower body, the top surface of the substrate is an open structure, the bottom surface of the substrate is a closed structure, a gap is arranged between the outer side wall of the substrate and the inner wall of the tower body, and a plurality of through holes are arranged on the side surface of the substrate; the denitration unit is located inside the substrate, a cavity is arranged inside the denitration unit, an opening communicating with the cavity is arranged on one side of the denitration unit, and the opening matches the shape of the through hole of the substrate and is connected to each other in a one-to-one correspondence; the present invention has a reasonable structural design, and by adopting a matching mode of the substrate and the denitration unit, the exhaust gas can be uniformly passed through each denitration unit for adsorption and denitration, thereby ensuring the same service life of the denitration units and improving the utilization rate of the catalyst.

The utility model provides a paperboard hot-pressing device which comprises a machine frame, a fixing frame is arranged on the machine frame, a hot-pressing mechanism is arranged on the lower portion of the fixing frame, a conveyor is arranged on the machine frame and located below the hot-pressing mechanism, pressing mechanisms are arranged on the two sides of the conveyor respectively, and each pressing mechanism comprises a movable platform arranged on the machine frame. Each moving platform is provided with a lifting platform, a mounting frame is arranged between the two lifting platforms, and a pressing plate is arranged on the lower portion of the mounting frame perpendicular to the conveying direction of the conveyor. In the hot pressing process and after hot pressing is completed, the pressing mechanism with the adjustable position and height can be used for pressing and fixing boards, and the situation that the processing temperature of corrugated boards output by the hot pressing laminating device is high, and the corrugated boards directly enter a cooling working section to be subjected to shock cooling, so that adhesive layers shrink instantly is avoided; and therefore, the product quality is improved, and the operation is more convenient and efficient.