12results about How to "Reduce work pressure" patented technology

The utility model provides a feeding device and a photoresist production system, relates to the technical field of photoresist production equipment, and aims to optimize the structure of the feeding device, reduce the size of the feeding device and improve the feeding precision to a certain extent. The utility model provides a feeding device which comprises a hopper, an elastic piece, a baffle assembly and a pushing assembly. The elastic piece is arranged in the hopper, a feeding port and a discharging port are formed in the hopper, the baffle assembly comprises a first baffle, a second baffle and a connecting rod, one end of the elastic piece is connected with the bottom of the hopper, the other end of the elastic piece is connected with the first baffle, and the two ends of the connecting rod are connected with the first baffle and the second baffle respectively. The area of the second baffle plate is matched with that of the feeding hole; the discharging port is located in the side wall of the hopper, the height of the discharging port is not lower than the horizontal height of the first baffle when the elastic piece is compressed to the limit state, and the pushing assembly is arranged corresponding to the discharging port and can reciprocate in the radial direction of the hopper.

The utility model relates to the technical field of hand brake debugging, and provides a hand brake installing and debugging labor-saving tool which comprises a connecting pipe, a limiting block, a groove, a fixing device and a handle, the connecting pipe is arranged in a hollow mode, and the connecting pipe and the handle are connected through the fixing device. The limiting block is arranged on the side, close to the fixing device, of the interior of the connecting pipe, and the groove is formed in the side, away from the handle, of the limiting block; a labor-saving lever is formed by arranging the connecting pipe and the handle, the connecting pipe is arranged on the hand brake in a sleeving mode to adjust the tightness of the hand brake, the hand brake can be pulled to be loosened without large strength, and the working pressure of workers is greatly relieved; by arranging the connecting plate, the handle and the hand brake are staggered, the handle is not located on the extension line of the hand brake, then the space between the hand brake and the interior of the vehicle body is enlarged, a worker can conveniently pull the vehicle, and the worker can conveniently take down the connecting pipe from the handle without limitation.

This invention provides a powder tanker unloading system, including a temporary storage tank. The upper part of the temporary storage tank is connected to a feed hose, and the upper end of the temporary storage tank is connected to a filter shell. The filter shell has an exhaust port connected outwards, and a dust filter element is installed inside the filter shell. The lower end of the temporary storage tank is connected downwards to a discharge pipe. A unloading section is located at the lower end of the powder tanker. A discharge pipe, detachably connected to the free end of the feed hose, is located at the bottom of the unloading section. An air injection pipe is arranged around the unloading section. The discharge pipe has a strip-shaped feed inlet extending along its length within the unloading section. Multiple high-pressure air blowing pipes, extending into the unloading section and facing the strip-shaped feed inlet, are arranged inwards from the air injection pipe. The free end of each high-pressure air blowing pipe is open and inclined towards the sealing plug. This invention utilizes high-speed airflow to propel the powder quickly unloading, eliminating the need to maintain a high-pressure environment inside the tank, resulting in lower unloading energy consumption and greater safety.

The utility model discloses an electric arc dust removal device for a tunnel kiln flue, which comprises a pretreatment box and an electric dust removal box, a gas guide pipe is connected between the pretreatment box and the electric dust removal box, and a fixed disc is fixedly mounted in the gas guide pipe. By adopting the rotating disc and the fixed disc, in the actual use process, a person can control the rotating speed of the rotating disc according to different contents of smoke needing to be blown in, and when the rotating disc rotates, circulating holes in the surface of the rotating disc can be intermittently aligned with circulating holes in the surface of the fixed disc; when the circulating holes are aligned with each other, the flue gas can smoothly flow out, so that the alignment times of the circulating holes can be adjusted by controlling the speed of the rotating disc, the discharge amount of the flue gas is effectively controlled, and the situation that a large amount of flue gas flows into the electric dust removal box at the same time to increase the working pressure in the electric dust removal box is avoided; the device has the advantage of intermittent air supply and dust removal.

This utility model belongs to the field of interventional medical devices, specifically relating to a medical endoscope catheter, comprising: a tubular body, wherein an airflow channel extending axially along the inner wall of the tubular body is provided; an end wall, disposed at the first end of the tubular body, wherein a through hole is provided through the end wall, and a plurality of circumferentially spaced ribs are provided on the side of the end wall facing the inner cavity of the tubular body, wherein each rib is distributed in a vortex shape. The airflow is continuously guided by the arched ribs to form a stable vortex ring, reducing energy dissipation caused by turbulence and improving airflow utilization under the same air source pressure; this utility model transforms disordered flow into controlled vortices through geometric constraints on the airflow path, improving cleaning efficiency while reducing the system's working air pressure.

The utility model relates to the technical field of geotechnical engineering, in particular to a steel casing foundation pit supporting structure. The steel casing structure is formed by sequentially and fixedly connecting a first section steel casing, at least one standard section steel casing and an adjusting section steel casing from bottom to top, and the first section steel casing, the at least one standard section steel casing and the adjusting section steel casing sequentially and longitudinally sink below the ground line. A foundation pit used for containing the buried integrated sewage pump station is formed in the inner periphery of the steel casing structure. And the concrete bottom sealing structure is poured at the bottom of the foundation pit, the upper half portion of the concrete bottom sealing structure is fixedly connected with the lower half portion of the first section of steel casing through concrete condensation, and the top face of the concrete bottom sealing structure is used for being fixedly connected with the bottom of the buried integrated sewage pump station. The steel casing foundation pit supporting structure solves the technical problems that the construction period is long, the implementation space needed on site is large, and the influence on the surrounding environment is large.

The invention belongs to the technical field of salvaging devices, and particularly relates to an automatic salvaging device for marine organisms. Comprising a control box, a small motor, a gear transmission system, a scoop net, a scoop net hoisting mechanism, a scoop net turnover mechanism, a traction rope and a slag collecting barrel. And a power supply and power conversion module, a relay module, a guide rail and a connecting wire are arranged in the control box. And the small motor is used for realizing the operations of ascending, translating, descending and turning the fishing net. And the gear transmission system is used for connecting the traction motor and the scoop net. The fishing net is used for fishing marine organisms, and the left side and the right side of the upper portion of the fishing net are each provided with a hoisting hole used for allowing a traction rope to penetrate through and being connected with a traction motor. The system has the beneficial effects that the operation pressure of personnel is relieved, and the operation safety and the management economy are improved. The control system is built by using a relay, so that the cost of the system is greatly reduced.

The utility model discloses a drainage device for building waterproofing, and relates to the technical field of drainage devices. The drainage device for building waterproofing comprises a box body, a negative pressure box is fixedly mounted on one side of the bottom in the box body, an extending anti-blocking mechanism is rotatably mounted in the negative pressure box, and a safety protection mechanism is fixedly mounted on one side of the bottom of the box body; the anti-blocking mechanism comprises a servo motor, and moving wheels are fixedly installed at the output end of the servo motor. A servo motor is powered on to operate to drive a moving wheel to rotate, the rotating moving wheel can drive the device to move, the rotating moving wheel can drive a gear rod to rotate synchronously, and the gear rod which rotates synchronously can drive a noodle rack rod which is connected in an engaged mode to rotate synchronously. And the scraping plate can be driven to rotate through the synchronously rotating surface rack rod, and impurities blocked in the filter box can be conveniently scraped through the rotating scraping plate, so that the anti-blocking function is realized.

The utility model discloses a high-purity switching value pressure transmitter, which relates to the technical field of pressure transmitters and comprises a base and a mounting hole. When the high-purity switching value pressure transmitter is used, the lower end of a shell is matched with a lower seal at the root of a plug through a boss to form a waterproof seal, the upper end of the shell is matched with an upper seal at the root of a controller to form a waterproof seal, and in addition, a circuit board is fixed on the inner side of a mounting rib at the middle end of the shell through a screw. The circuit board and the wire harness are sealed and wrapped by polyurethane, waterproof protection is carried out on the circuit board to the maximum extent, normal operation of signal transmission work is guaranteed, in addition, positioning lap joint of the pressure sensitive element is achieved through hook bodies on the two sides of the plastic positioning piece and two hook connecting grooves in the circumference of the containing groove, and the pressure sensitive element is prevented from being damaged. The contact area of the hard gasket and the upper end face of the plug is larger than the contact area of the pressure sensitive element and the upper end face of the plug when the hard gasket is not arranged.

The method comprises the following steps: firstly, externally connecting a mechanical pump at a tail gas outlet of a migration tube to reduce the working air pressure in the migration tube, and increasing the optical path distance of an ultraviolet lamp in an ionization region by reducing the interferent content of background gas in the migration tube; secondly, the ion composite reaction probability is reduced by increasing the field intensity of the ionization region of the migration tube; the combination of the two can improve the ion number density of the target analyte detected by the detector while improving the ion migration speed, thereby significantly improving the detection sensitivity of the ion mobility spectrometry. The requirements for regulating and controlling the air pressure and the electric field are low, the detection performance of the ion mobility spectrometry can be remarkably improved under the easily-achieved experiment condition, high-throughput sample analysis and detection can still be achieved under the low-air-pressure condition, and the method has universality for the ion mobility spectrometry.

The utility model discloses a silkworm rearing table, a silkworm rearing frame and a silkworm rearing system. The silkworm rearing table comprises a frame body and a T-shaped plate arranged in the frame body in a sliding and penetrating mode. The T-shaped plate comprises a vertical plate and a bottom plate; the vertical plate is connected with the bottom plate; the bottom plate is of a folding structure; a pull rod penetrates through the vertical plate in a sliding manner; a scraping plate is arranged at one end, positioned in the frame body, of the pull rod; a net-shaped interlayer is arranged in the frame body; the net-shaped interlayer is positioned above the T-shaped plate; and a handle is arranged on the T-shaped plate. In practical application, the silkworm tables are vertically arranged on a silkworm frame for silkworm breeding, the space utilization rate of a silkworm rearing room can be improved, when the temperature of the silkworm rearing room is too low, the folded T-shaped plates in the frame body are pulled out, unfolded and hung on the periphery of the silkworm frame, windproof heat preservation can be conducted on the silkworm tables, and the breeding environment is effectively guaranteed; the influence of over-low temperature on the immunity and food intake of silkworms is prevented.

The invention relates to the technical field of ship equipment, and discloses a segmentation and equipment weighing tool which comprises a tension meter, a threaded hole is formed in the surface of the tension meter, a first bolt and a second bolt are in threaded connection with the interior of the threaded hole, and the tension meter is in threaded connection with a connecting piece through the first bolt and the second bolt. Telescopic assemblies are fixedly connected to the upper surface and the lower surface of the connecting piece respectively, a first connecting rod and a second connecting rod are fixedly connected to one ends of the upper telescopic assembly and the lower telescopic assembly respectively, a take-up assembly is arranged on one side of the first connecting rod, a clamp connecting body is fixedly connected to the bottom of the first connecting rod, and a clamp claw is connected to one end of the clamp connecting body through a shaft. A camera base is fixedly connected to the upper surface of the second connecting rod, glass is fixedly connected to the inner wall of the camera base, and a cover shell is arranged on the upper surface of the glass. The segmentation and equipment weighing tool is reasonable in structure, the operation steps are simple and easy to understand, the device mechanism is simple and practical, and the segmentation and equipment weighing tool is used for ship segmentation and equipment weighing.