7results about How to "Healthy working environment" patented technology

According to the titanium and titanium alloy glasses frame plate polishing and grinding device, a trolley is arranged on the platform face of a platform frame, supporting wheels distributed in the width direction of the trolley are symmetrically installed on the front side of the bottom face of the trolley, and a polishing and grinding assembly arranged at the rear end of the upper plane of the trolley is connected with a transmission driving device arranged on the trolley; the transmission driving device drives the polishing and grinding assembly to polish and grind the gold glasses frame plate placed on the platform frame. A dust suction device used for sucking dust generated in the polishing and coping process is arranged at the front end of the platform face of the platform frame. The transmission driving device drives the polishing and grinding assembly to rotate to polish and grind a gold spectacle frame plate placed on the platform frame, the defect that polishing and grinding of tiny flaws on the surface of a spectacle frame are inconvenient is overcome, and the polishing and grinding efficiency and quality of the tiny flaws on the surface of the spectacle frame are improved. And the dust content in the polishing and coping process is reduced, and a relatively healthy working environment is provided for workers.

A mandrel storage tool rack comprises a rack body, a first fixing frame is arranged on the lower portion of the rack body, a first storage part is installed on the first fixing frame, a second fixing frame is arranged in the middle of the rack body, a guiding square pipe is horizontally installed on the second fixing frame in the short axis direction of the rack body, and a second storage part is installed on the guiding square pipe in a sliding mode. And the second storage part can move back and forth along the guide square pipe. The device is safe and reliable to use, high in flexibility, simple to operate and more space-saving; the mandrel can be prevented from toppling over, so that deformation of the mandrel is reduced, and the phenomena of collision and scratching in the taking process after tools are stacked and mixed are avoided; the occupied area is small after the whole device is placed in order, and the purpose of efficiently utilizing the placing space is achieved; the whole device can be moved at any time, field management and sanitary cleaning are facilitated, and management flexibility is improved.

The utility model belongs to the technical field of livestock breeding equipment, particularly relates to a livestock breeding feed crushing device, and aims to solve the problems that straw needs to be manually guided into a feeding port of a crushing machine in an existing device, uniform conveying of the straw is difficult to guarantee through manual feeding, the load of the crushing machine in the working process is unstable, the crushing effect is affected, and the crushing efficiency is affected. According to the scheme, the straw smashing device comprises a smashing machine, and a feeding frame is installed at a feeding opening of the smashing machine; the feeding device has the advantages that through cooperation of the concave-convex structure of the feeding plate and the feeding bevel teeth, the grabbing force on straw is enhanced, the feeding efficiency is improved, material loss is reduced, accurate transmission of the gear and the inner gear ring is achieved, stable and automatic feeding is achieved, the labor cost is reduced, and the product quality is guaranteed; the dust concentration of a workplace is greatly reduced, and a healthy and clean working environment is created.

The application discloses a laser welding device for communication equipment components, which comprises a bearing box, a laser welding device is installed on one side of the upper end of the bearing box, a protection mechanism is buckled on the laser welding device, an air suction structure is installed in the protection mechanism, a metal separation box is arranged on one side of the bearing box, a rotating device is installed on one side of the metal separation box, and a centrifugal filter assembly is connected to one end of the rotating device.

The utility model provides an auxiliary device for changing a cutter of a shield tunneling machine, which comprises a protective cylinder device, an air supply device and a downcast tube well, the protective cylinder device is arranged in front of the shield tunneling machine and is 1.5 m away from a shield head of the shield tunneling machine, and the bottom of the protective cylinder device is positioned on a bearing stratum and is higher than an underground water level, so that the stability and the reliability of the protective cylinder device are ensured; a safe and reliable operation space is provided for tool changing operation; the air supply device comprises an air supply pipeline and an air feeder, the air feeder is arranged on the ground, one end of the air supply pipeline is connected with the air feeder, the other end of the air supply pipeline extends into the protective cylinder device and is used for feeding fresh air into the working space, the air quality in the working space is effectively improved, and a safe and healthy working environment is provided for operators; and the efficiency and the quality of tool changing operation are improved.

The utility model relates to the technical field of setting machines, and discloses an energy-saving and environment-friendly air curtain structure which comprises a protective shell, a smoke outlet and an air inlet are formed in the upper end of the protective shell, a partition plate is arranged in the middle of the interior of the protective shell, and the partition plate is located between the smoke outlet and the air inlet and divides the interior of the protective shell into two parts. An air curtain baffle is fixedly arranged on the side, close to the air inlet, of the interior of the protective shell, an inclined guide plate is fixedly arranged at the lower end of the partition plate, the inclined guide plate inclines by 45 degrees towards the side of the air inlet, an air curtain groove is formed between the lower end of the air curtain baffle and the inclined guide plate, and the width of the air curtain groove is 2 mm; and after high-temperature pressurized clean air is input into the air inlet, an air curtain is formed through the air curtain groove. According to the utility model, the inclined flow guide plate is matched with the air curtain groove, so that the heat recovery efficiency and the flue gas blocking rate are improved, and finally, energy conservation, consumption reduction, pollution reduction and maintenance cost reduction are effectively realized.

The utility model discloses a welding electrode production quality detection tool which comprises a bearing seat, the bearing seat is connected with a fixed support through an elastic adjusting assembly, and the upper portion of the fixed support and the upper portion of the bearing seat are respectively provided with a plurality of sets of tail placing seats and head placing seats. The head placement seat and the tail placement seat are respectively connected with the head and the tail of the welding electrode coating; the welding electrode clamps the coating part of the welding electrode through the head placement seat and the tail placement seat. By arranging the elastic adjusting assembly, semi-automatic clamping is achieved, the welding electrode to be detected is effectively fixed, rolling of the welding electrode in the follow-up detection process is avoided, the time and labor intensity of manual one-by-one detection are reduced, and the detection efficiency is remarkably improved. The fixing and adjusting assembly of the tool can ensure the stability and consistency of the welding electrode in the detection process, so that the accuracy of the detection result is improved.