7results about How to "Extended jet range" patented technology

The invention discloses a chemical barrel cleaning device for chemical production, and relates to the technical field of chemical equipment cleaning, the chemical barrel cleaning device comprises a base, a placing plate is fixedly mounted at the top of the base, a barrel body is arranged at the top of the placing plate, and the chemical barrel cleaning device further comprises a cleaning assembly arranged on one side of the top of the placing plate and comprising a vertical plate and a driving assembly; the vertical plates are symmetrically arranged on the other side of the top of the placing plate, the drying assemblies are arranged on the side, away from the vertical plates, of the top of the placing plate, the vertical plates are fixedly installed on one side of the top of the placing plate, electric push rods are fixedly installed on one sides of the vertical plates, connecting frames are fixedly installed at the movable ends of the electric push rods, and guide rods are symmetrically installed on one sides of the connecting frames; according to the chemical barrel cleaning device, when a chemical barrel is cleaned, the interior and the exterior of the chemical barrel can be synchronously cleaned, cleaning dead corners are avoided in the cleaning process, the chemical barrel can be limited, the chemical barrel is prevented from moving, and the cleaning quality of the chemical barrel is improved.

The utility model discloses a kind of forging dies for automobile rotating shaft, including lower mould body, air blower body and screw rod, the lower mould body die holder one side is provided with connecting plate, linear module is fixedly arranged on the connecting plate, the movable section of linear module is fixedly provided with moving block, the moving block top one side is provided with pipeline, the pipeline intake end is connected between air blower body by connecting pipe, multiple jet structures are provided on the pipeline;The one end of screw rod is fixedly connected with the one end of pipeline, the screw rod is arranged in the hole in the top of moving block, the both ends of screw rod are respectively screw-mounted nut A and nut B, nut A and nut B are respectively with the both sides of moving block top abutment cooperation.The utility model has the length according to the forging surface of forging die, selects suitable pipeline, replaces pipeline by the detachable structure of screw rod and moving block top corresponding, so that the advantage that multiple jet structures blow gas range covers the forging surface of forging die.

The utility model discloses a spray gun relates to iron and steel smelting technical field, including support frame, the inboard sliding connection of support frame has adjusting mechanism, the inboard rotation of adjusting mechanism is connected with spray gun body, the upper side of support frame is close to the position rotation of left side and is connected with second telescopic link, the right side rotation of second telescopic link is connected in the upper end of spray gun body, the downside fixed connection of support frame has vibration mechanism, the adjusting mechanism includes sliding frame, the inboard sliding of sliding frame is connected inboard of support frame, the outside rotation of spray gun body is connected in the inboard of sliding frame. The utility model discloses a novel spray gun, through first telescopic link drive sliding frame moves, and then adjusts the distance of spray gun body's lower extreme and the rear side of the inner wall of molten iron jar after the spray pipe, and the setting of the spray pipe and motor is relied on, expands the jet range, has improved the agglomerate efficiency.

The utility model discloses a security monitoring device with an alarm function, and relates to the technical field of security monitoring equipment. According to the utility model, the monitor comprises the mounting rack and the monitor housing, and through the arrangement of the mounting table, the second screw rod, the guide rod and the fan, when the monitor works, the fan is blown to cool components inside the monitor, the second screw rod drives the mounting table to move under the driving of the second motor, and the fan moves on the second screw rod under the cooperation of the guide rod, so that the components inside the monitor are cooled. Through the arrangement of a gear, a rack, a rotating rod, a connector, a spray head and an air supply pipe, the rack is driven by the mounting table, the gear rotates on the rack in a small range, the connector swings under the driving of the rotating rod, meanwhile, hot air in a monitor is conveyed by the air supply pipe, and the air supply pipe is driven by the spray head to rotate in a small range. Air is continuously sprayed to the monitoring lens through the nozzle, dust is isolated, and the dust is prevented from being attached to the lens to affect monitoring.

The present invention discloses a method for evaluating hydrogen leakage rate of a hydrogen fuel cell stack, and relates to the technical field of hydrogen fuel cells. The evaluation method adopts an evaluation device, which is installed on a mounting plate, a storage cylinder is detachably installed on the bottom of the mounting plate, a control device is installed on the top of the storage cylinder, and a delivery pipe is installed on the top of the control device. The evaluation device includes: a semicircular frame, which is slidably installed on the mounting plate. The hydrogen leakage rate evaluation device of the hydrogen fuel cell stack can control the position where the device and the delivery pipe are connected to seal through the semicircular frame to prevent hydrogen from drifting into the air, the partition plate can divide the space inside the semicircular frame into multiple areas, and the arc-shaped slide plate can drive the detection device to rotate on the semicircular frame, so that the detection device can detect multiple positions inside the semicircular frame.

The utility model discloses an ultrasonic dewatering screen for sewage treatment, which comprises a bracket, rotating shafts are symmetrically arranged above the inner side of the bracket, a drum screen is fixedly arranged between the two rotating shafts, a driving motor is fixedly arranged on one side of the outer part of the bracket, and the output end of the driving motor penetrates through the bracket and is fixedly connected with the rotating shaft on one side; the device further comprises a sludge discharge pipe connected to the lower portion of one side of the rotary screen in a penetrating mode, a feeding pipe connected to the other side of the rotary screen in a penetrating mode, and a drainage frame connected to the lower portion of the inner side of the support in a penetrating mode. A discharging hopper is connected to one side of the interior of the support and located below the sludge discharging pipe in a penetrating mode, and fixing frames are symmetrically installed at the top end of the support; and when the drum screen is subjected to air blowing anti-blocking, the air blowing range can be expanded, the air inflation efficiency is improved, the number of the air outlet pipes does not need to be increased, and practicability is improved.

The utility model provides a chamber air injection assembly and chemical vapor deposition equipment. The chamber air injection assembly comprises a cover body, a central air injection component and a side air injection component. The cover body comprises a top wall and a side wall. Each side air injection component comprises an edge air injection piece and a middle air injection piece. The edge air injection piece extends from the side wall to the center of the cover body by a first length in the radial direction of the side wall. The edge air injection piece is provided with an edge air outlet. The middle air injection piece extends by a second length from the side wall to the center of the cover body in the radial direction of the side wall. The second length is greater than the first length. The middle air injection piece is provided with a middle air outlet. The middle air outlets are located between the center air injection component and the edge air injection pieces in the radial direction of the side wall. The middle air injection piece comprises a main pipeline and a branch pipeline. The main pipeline is connected to the side wall and extends in the radial direction of the side wall. The branch pipelines are communicated with the main pipeline and intersect with the main pipeline. According to the utility model, the distribution uniformity of the gas in the central area, the middle area and the edge area of the wafer can be improved.