9results about How to "No electricity required" patented technology

This utility model discloses a hand-cranked activated carbon cleaning device, including a cleaning hood mounted between fixed supports via a horizontal shaft. Both ends of the cleaning hood are sealed with support panels. A mesh is evenly distributed on the outer cover between the support panels, and a feed inlet is also provided on the outer cover. Both ends of the horizontal shaft extend out from the support panels, with the extended portions resting on the fixed supports. One end is connected to a hand crank handle. The horizontal shaft is also fixedly connected to the support panels. A water pipe support is provided beside the fixed supports, with the water pipe horizontally mounted on the support and positioned above the cleaning hood. Multiple nozzles are arranged on the water pipe. This utility model device has a simple structure and low cost, suitable for activated carbon cleaning needs in environments without electricity or in small-scale scenarios, as well as for cleaning small-scale (1-20 kg) activated carbon in laboratories.

The invention relates to the technical field of electric energy metering boxes, in particular to a modular electric energy metering box which comprises a box body, a storage plate is movably arranged on the box body, a storage groove is formed in the storage plate, the storage plate can move to the position below the box body, and an opening of the storage groove faces upwards. And the storage plate can also move to the upper part of the box body and is arranged on the top wall of the box body. The storage plate is arranged to be of a structure capable of moving to the position below or above the box body, so that an operator can flexibly adjust the position of the storage plate according to actual requirements, and the functionality of the storage plate is improved.

The utility model belongs to the technical field of truck pre-weighing, in particular to oil tank truck pre-weighing equipment, which comprises a fixed seat and a weighing assembly arranged above the fixed seat. The weighing assembly comprises connecting plates, stand columns and stop levers, the connecting plates are rotationally connected to the inner sides of the two ends of the fixing base respectively, and the two stand columns are fixedly connected to the upper surface of the center of the fixing base; the connecting plate drives the stop lever to rise, the truck can pass through, the driving speed of the truck is further limited, the safety of the truck is further guaranteed, meanwhile, the stop lever can be controlled to rise and fall through the connecting plate, the second rope and the weight bearing block, electric power is not needed, the device is more environmentally friendly, and later maintenance is more convenient.

The utility model relates to an automatic moisturizing seedling raising device, which belongs to the agricultural seedling raising technology and comprises a seedbed support body and a water absorption pad. Wherein the seedbed support body is a bridge-shaped body, one end of a bridge floor is a gentle slope section, and the other end of the bridge floor is a steep slope section and an arc-shaped transition section connecting the gentle slope section and the steep slope section; baffles perpendicular to the bridge floor are arranged on the two sides of the gentle slope section and at the tail end of the gentle slope section, and water filtering holes are formed in the baffles at the tail end; the bridge surface of the gentle slope section is a seedbed for laying a seedling substrate; the water absorption pad is laid on the abrupt slope section and used for continuously absorbing water from the liquid container and conveying the water into the seedling raising substrate laid on the gentle slope section. And the water filtering holes are used for filtering redundant water which cannot be kept by the seedling culture substrate. The manufacturing cost is low, installation is easy and convenient in the using process, electric power is not needed, the used consumable water absorption pad and the base moisturizing pad can be taken from daily life, and environmental protection and energy saving are achieved.

The utility model discloses a traditional Chinese medicine decoction piece cutting machine, and relates to the field of traditional Chinese medicine processing. The device comprises a groove body and a moving module, the moving module is arranged on the right side of the groove body and comprises a rotating column and a detachable buckle, the rotating column is inserted into the buckle, a threaded groove is formed in the inner wall of the buckle, and a threaded wire is arranged on the outer wall of the rotating column; and; and the cutting module is arranged at the left end of the groove body and comprises a cutting knife with an elastic assembly. The device performs full-manual processing, is suitable for slicing treatment, is convenient to install and use, avoids the influence of power failure or faults under electric drive, and solves the problem that the existing traditional Chinese medicinal material cutting needs electric drive and cannot avoid long-time use faults.

The present invention discloses a fireproof insulation box for subway electric actuators, which belongs to the field of subway tunnel insulation technology. It includes a fireproof box, a plurality of heat exchange tubes are arranged on the side of the fireproof box, and the two ends of the heat exchange tubes pass through the fireproof box and are located outside the fireproof box. The two ends of the heat exchange tubes are respectively provided with a first collecting pipe and a second collecting pipe, and the two ends of the plurality of heat exchange tubes are respectively connected to the first collecting pipe and the second collecting pipe, and the first collecting pipe is provided with a water suction pipe connected thereto, and the outer side of the second collecting pipe is provided with a centrifugal pump, and the second collecting pipe is connected to the water inlet end of the centrifugal pump, and the water outlet end of the centrifugal pump is provided with a drain pipe, and the outer side of the centrifugal pump is provided with a rotating blade, and the rotating blade is rotatably connected to the fireproof box, and the middle part of the rotating blade is connected to the driving end of the centrifugal pump. This technical solution is used to solve the problem that the existing insulation components are difficult to meet the use requirements of the actuators in the subway tunnel.

The invention relates to the technical field of language learning, in particular to an auxiliary device for word memorization, which comprises a shell, a rotating shaft is horizontally arranged in the shell, a page assembly is arranged on the rotating shaft in a surrounding manner, the page assembly comprises a plurality of turning pages, and a first control device is arranged at the left end of the rotating shaft in a transmission manner. A second control device is arranged at the right end of the rotating shaft in a transmission mode, the first rotating button drives the rotating shaft to rotate rapidly to reach the approximate word searching position, the second rotating button drives the rotating shaft to rotate slowly, the accurate word searching position is achieved, page turning is rapid, the word searching efficiency is high, the display area is large, the borne vocabulary quantity is large, and page turning can be flexible.

This invention discloses an automatic backflow prevention and blocking device for intravenous infusion, relating to the field of medical device technology. It includes a housing assembly comprising a cylindrical body, a liquid chamber, and a drain pipe. The liquid chamber is located inside the cylindrical body, which houses a first blocking component, a flow control component, and a second blocking component. The first blocking component includes a floating shell, a collection tank, and a sealing ring, with the floating shell slidably positioned at the top of the liquid chamber. This invention employs an upper first blocking component and a lower second blocking component, combined with a spring adaptive reset mechanism, to automatically block the pipeline under various abnormal conditions, providing dual backflow prevention, high sealing accuracy, and strong fault tolerance, effectively solving the problems of backflow blockage and bleeding during infusion. In this invention, the flow control component automatically adjusts the flow opening based on the linkage between the drug pressure and the spring compression stroke, perfectly adapting to all scenarios of conventional high-flow infusion and low-speed micro-infusion, thoroughly improving the shortcomings of low-speed micro-backflow and high-speed flow restriction.

The present invention proposes a water quality sampling ship for hydrological monitoring and a method of using the same, comprising a hull, a sampling mechanism, a supporting mechanism, and a sample storage mechanism, wherein the sampling mechanism comprises a cylinder, a lower piston is slidably connected in the cylinder, and an upper piston is attached above the lower piston; the lower piston is provided with a first water inlet hole and a first exhaust hole; the upper piston is provided with a corresponding second water inlet hole and a second exhaust hole; a main pipe is connected to the top of the frame, a rotating rod is rotatably connected inside the main pipe, and the bottom end of the rotating rod is connected to the upper piston; a guide groove is provided on the outer wall of the main pipe, a lever is connected to the outer wall of the rotating rod, one end of the lever passes through the guide groove, and the lever is slidably connected to the guide groove; the supporting mechanism comprises a supporting frame, and a sleeve for accommodating the cylinder is connected to the top of the supporting frame; the sample storage mechanism comprises a turntable, and a cover plate for pressing and holding a test tube is provided above the turntable. The device has a simple structure and is easy to operate, and can realize the accurate collection of water samples from multiple sampling points.