39results about How to "Smooth passing" patented technology

The invention discloses a self-propelled chassis with an adjustable transverse wheel tread and an adjustable ground clearance. The self-propelled chassis is composed of a frame, a front axle, a rear axle, a power system, a ground clearance adjusting system, a transverse wheel tread adjusting system and a steady adjusting and controlling system. The power system comprises an engine, a clutch, a pump station, a hydraulic motor, a proportional valve and the like. The ground clearance adjusting system comprises a controller, a servo valve, ground clearance adjusting hydraulic cylinders and the like, wherein the controller adjusts the four ground clearance adjusting hydraulic cylinders through the servo valve to synchronously ascend and descend to change the ground clearance of the chassis. The transverse wheel tread adjusting system comprises a servo valve, a controller, a wheel tread adjusting hydraulic cylinder and the like, wherein the hydraulic cylinder drives a piston rod according to an instruction of the controller, drives an axle shaft connecting piece to move through a connecting flange, pushes wheels to transversely move and adjusts the transverse wheel tread of the chassis. The steady adjusting and controlling system controls flows of the four ground clearance adjusting hydraulic cylinders respectively through the servo valve according to unsteady signals, collected by a gyroscope, of the front axle and unsteady signals, collected by the gyroscope, of the rear axle, and automatically adjusts balance and stability of the chassis.

The invention discloses a shell of a terminal, and the terminal. A mounting cavity suitable for accommodating an electroacoustic assembly is formed in the shell; a sound outlet communicating with the mounting cavity is formed in the shell; one end, near the mounting cavity, of the sound outlet is provided with a first opening; one end, far away from the mounting cavity, of the sound outlet is provided with a second opening; and the cross section area of the first opening is larger than that of the second opening. According to the shell of the terminal provided by the invention, the cross section area of the first opening, near the mounting cavity, of the sound outlet is set to be larger than that of the second opening, far away from the mounting cavity, of the air outlet, so sound can be outputted from the sound outlet successfully, external dust can be prevented from entering the shell from the sound outlet or dust can be prevented from being accumulated at the sound outlet, the dustproof property of the shell is improved, the resistance of the shell on sound is reduced and the sound volume of the terminal is increased.

The invention discloses a vehicle-mounted laser PM2.5 sensor. The vehicle-mounted laser PM2.5 sensor comprises a shell, an air inlet and an air outlet are formed in the shell and are respectively located on the opposite two side walls of the shell, an air induction fan is arranged in the air outlet, an air induction interface is arranged in the air inlet, an air induction pipe connector is arranged on the air induction interface, an air exhaust interface is arranged in the air outlet, and an air exhaust pipe connector is arranged on the air exhaust interface. The air induction interface, the air exhaust interface and the internally arranged air induction fan are arranged, so that the air in or outside a vehicle is introduced into the inner part of the sensor, the concentration of dust in the air is then detected through laser, then the air is exhausted into or outside the vehicle through the fan, the air exhaust interface and an externally arranged air exhaust pipeline, air induction equipment is not additionally added, an external connection pipeline is adopted, and the vehicle-mounted laser PM2.5 sensor is not limited by the installation position, is good in airtightness, is notaffected by external air speed, and is strong in anti-jamming capability and high in detection accuracy, and the detection result is reliable.

The invention relates to the technical field of sewage treatment, in particular to environment-friendly water treatment equipment for the processing industry. The equipment comprises a barrel, a trash cleaning disc is rotatably mounted on the inner side of the barrel, a notch is formed in the inclined upper part of the barrel and corresponds to the front of the trash cleaning disc, a cleaning disc is rotatably mounted on the inner side of the notch, and a flow dividing structure is arranged on the inner wall of the barrel corresponding to the front lower part of the notch. A cleaning area and a stabilizing area are respectively formed on the surface of the cleaning disc corresponding to the rear parts of the cleaning disc and the flow dividing structure, a sinking matter accumulation area is formed on the surface of the cleaning disc close to the lower end edge, and a floccule accumulation area is formed on the surface of the cleaning disc except the cleaning area, the stabilizing area and the sinking matter accumulation area. Sewage flowing backwards from the inner side of the barrel leads floccules to the floccule accumulation area and leads sinking impurities to the sinking matter accumulation area through the flow dividing structure. According to the invention, sewage containing floccules and sinking matters in fruit and vegetable processing can be effectively treated.

The invention provides a durable automobile tail gas purifier. The durable automobile tail gas purifier comprises a shell, wherein a bent and spiral filter channel is arranged in the shell; the filter channel comprises a primary filter area located at an upper part and a secondary filter area located at a lower part; the primary filter area is filled with activated carbon; the secondary filter area is filled with a molecular sieve catalyst; an air guide plate is arranged between the primary filter area and the secondary filter area; the outer surface of the shell is coated with a rubber asphalt coating layer; and the inner wall of the shell is coated with an anti-oxidation coating layer. The durable automobile tail gas purifier provided by the invention has good anti-impact and anti-oxidation performance, and a long service life; and an automobile tail gas is sequentially filtered by the primary filter area and the secondary filter area through the bent and spiral filter channel, and a good purification effect is achieved. A gas in the primary filter area can be greatly guided into the secondary filter area through a guide action of the air guide plate, a turbulent flow is avoided, smooth passing of a gas flow is ensured, the contents of harmful substances in the automobile tail gas can be greatly reduced, and pollution to air is avoided.

The invention relates to a butt joint device and a butt joint method for building fireproof door walls. The device is communicated with installed overhead floors on two sides of the building fireproof door walls; and an expansion joint is formed between the two building fireproof door walls on the ground. The device comprises a butt joint floor and a support mechanism for supporting the butt joint floor, wherein the butt joint floor is subjected to horizontal butt joint together with the installed overhead floors on the two sides under the support action of the support mechanism. In the device, the butt joint floor is subjected to the horizontal butt joint together with the installed overhead floors, the butt joint floor and the installed overhead floors are positioned on the same horizontal plane, and a height difference between the butt joint floor and the installed overhead floors is avoided, so that a cart can pass through the building fireproof door walls stably without vibration, and the safety of circular sheets is ensured.

The invention relates to a printing device, in particular to a feeder comprising two groups of paper transferring suction nozzles. The problem to be solved is to improve the paper conveying capacity of a paper transferring suction nozzle, so that the paper conveying capacity is matched with the paper separation speed of two groups of paper separation nozzles. In order to solve the technical problem, the feeder comprising the two groups of paper transferring suction nozzles comprises a paper loosening blowing nozzle, an A group of paper separating nozzles, a B group of paper separating nozzles,an A group of paper transferring suction nozzles, a B group of paper transferring suction nozzles and a paper transferring suction nozzle moving and releasing device. The paper conveying capacity ofthe paper transferring suction nozzles is improved, so that the paper separating speed of the two groups of paper separating nozzles is fully adapted, paper can be accurately and stably conveyed to apaper feeding roller, and the working speed of the feeder of a single paper feeder can be increased.

The invention discloses a forklift capable of moving smoothly. The forklift comprises a forklift body, pallet forks, strip-shaped holes and idler wheel groups, wherein a pair of pallet forks is arranged at the bottom of the front end of the forklift body, the strip-shaped holes are formed in the front portion of each pallet fork, and the idler wheel groups are arranged in the strip-shaped holes. The idler wheel groups can be adjusted according to ground shapes, and idler wheels are enabled to always contact the ground. Each idler wheel group comprises a pair of idler wheels, when the idler wheel groups meet obstacles, the idler wheels in front can rotate upwards around the centers of the idler wheel groups to lift the idler wheels, and the idler wheels in front can keep away from the obstacles. After the idler wheels in front pass through the obstacles, the idler wheels in front are landed, the idler wheels at back can rotate around the centers of the idler wheel groups to lift the idler wheels, and the idler wheels at back can keep away from the obstacles. Due to the fact that the idler wheels always contact the ground, the forklift can move smoothly, and the forklift capable of moving smoothly is simple in structure and practical.

The invention relates to the technical field of pipeline detection, and discloses a self-rescue type pipeline detection robot which comprises a shell, a detector body and two crawler belt driving mechanisms, an opening is formed in the upper end of the shell, a cover plate is fixedly connected to the opening through bolts, and the upper end of the cover plate is fixedly connected with the lower end of the detector body; two partition plates are fixedly connected into the shell, an adjusting mechanism is connected between the two partition plates, the adjusting mechanism is connected with two supporting plates, the two crawler belt driving mechanisms are installed on the side walls of the two supporting plates respectively, an installation plate is fixedly connected to the inner side of the shell, and a rescue mechanism is connected to one side of the installation plate. The self-rescue type pipeline detection robot has the self-rescue capacity in a pipeline, effectively assists the inspection robot in getting out of a trap when falling into a clogging obstacle, and is high in obstacle crossing performance and capable of crossing solid obstacles such as sand gravels during inspection.

The invention relates to the technical field of bus stations, and discloses a mask selling device arranged at a bus station, which comprises a base, a selling box, a selling room, a heating room, a storage cabinet and a cover plate, the selling box is supported and fixed above the base through the supporting columns, the selling box is located over the base, the number of the supporting columns is two, the two supporting columns are supported on the two sides of the lower portion of the selling box, the selling room is arranged on the left side in the selling box, and a partition plate is vertically fixed to the portion, on the right side of the selling room, in the selling box; and a vertical plate is vertically fixed in the left side of the selling room. The vending box is arranged, the vending chamber and the heating chamber are arranged in the vending box, when the vending box is used, independently-packaged masks can be sold outwards through the vending chamber, passengers who do not wear the masks can purchase the masks conveniently, and the passengers can sit on the bus smoothly; condensate water can be prevented from being accumulated on the surfaces of the lenses, so that sight of passengers is prevented from being influenced during wearing.

The invention provides a wind power blade and a fan. The wind power blade comprises a blade body and a flexible extension part; the blade body comprises a suction surface and a pressure surface; and the flexible extension part comprises a first end and a second end, the first end is provided with a bent part which is connected to the suction surface, the second end freely extends to the rear edgeof the blade body, and the flexible extension part can generate passive deformation and then changes the flow trajectory of an air flow along the suction surface.

Provided is a metalized film with which it is possible to form a flat and smooth thin copper film on a flat and smooth fluorine resin using a physical vapor deposition method and to ensure adhesion strength between the fluorine resin and the copper film by selecting, as appropriate, the type of physical vapor deposition method, so as to enable formation of wiring. Provided is a metalized film withwhich it is possible to: keep the thickness of a metal film obtained by means of sputtering to a minimum level; conduct electrolytic plating when combined with a vacuum deposition method; and form wiring in which stable adhesion strength is achieved.

The invention belongs to the field of galvanizing and processing of steel pipes and specifically relates to a pipe pressing device for a galvanizing machine. The pipe pressing device comprises a guide sliding sleeve, a pressing rod, a pressing plate part and a power part, wherein the pressing rod is arranged on the guide sliding sleeve and is capable of moving up and down along the guide sliding sleeve; the pressing plate part is arranged on the bottom end of the pressing rod; the power part is connected with the top end of the pressing rod; the pressing plate part comprises a pressing plate base connected with the bottom end of the pressing rod and a pressing plate arranged on the bottom of the pressing plate base; a plurality of pressing plate grooves with arc sections in parallel arrangement are concavely formed in the pressing plate; the pressing plate grooves are connected through an arc transition section; a galvanizing pond is provided with a pipe pressing device; after galvanizing, a large amount of air still exists in a pipe cavity of a steel pipe with an external diameter of 20-22mm and a wall thickness less than or equal to 1.6mm, so that the rear end of the steel pipe is smoothly pressed downwards; the inclination angle of the pressed steel pipe is similar to that of a transmission device, so that the steel pipe is smoothly transmitted out of the galvanizing pond; the faults that the steel pipe is bent or the device is jammed and the like cannot occur in the transmission process, so that the working efficiency is improved.

The invention discloses a device comprising a packing box, electronic equipment and an electronic device. Holes are arranged on the packing box comprising a cavity structure so that sound generated by the electronic equipment can be transmitted to space outside the packing box when the electronic equipment is arranged in the packing box. Therefore, the technical scheme has the effects that the electronic equipment can be protected from being worn or damaged by external force by the packing box of the electronic equipment and also has the technical effects that sound transmission efficiency of the electronic equipment in sound playing can also be enhanced.