31results about How to "Affects stationarity" patented technology

The invention relates to a mobile phone cover surface cleaning device, which includes a frame, a cleaning mechanism, and a sliding table connected to the cleaning mechanism. Components, transfer components and lifting components; the carrying mechanism includes a base and a limit bearing platform, an adsorption component is set on the limit bearing platform, and guide bars are set on the moving path of the adsorption component; the transfer component includes a positioning frame and a baffle, a baffle and a lifting component Connected, when the carrying mechanism moves to the bottom of the positioning frame, the lifting component drives the adsorption component to move up the adsorption cover and synchronously drives the baffle to move up, and the sliding table drives the carrying mechanism together with the adsorbed cover to move in translation towards the cleaning mechanism. The present invention solves the problem that manual or mechanical hands are required to mount the cover plate on the load-bearing mechanism, manual loading consumes manpower, and a separate mechanical arm is required for manipulator topping, which requires a separate mechanical arm, which is costly, and the cover plate loading efficiency is low and the accuracy is not high.

The invention discloses track type material transportation equipment for a mine field, and belongs to the technical field of transportation equipment in the mine field. According to the technical points, the material transportation equipment comprises a mounting platform, the four corners of the lower end surface of the mounting platform are provided with two front upright columns and two rear upright columns respectively, the front upright columns and the rear upright columns are mutually matched, the lower ends of the two front upright columns are provided with driven sliding devices adaptive to a track respectively, the lower ends of the two rear upright columns are provided with driving sliding devices adaptive to the track respectively, and the driving sliding devices are connected with main control devices; a rolling wheel conveying belt is arranged on the upper end surface of the mounting platform in the direction perpendicular to the track, rolling wheels on the rolling wheel conveying belt are linked through chains, and a braking mechanism is arranged on the mounting platform at the side edge of the other end of the rolling wheel conveying belt opposite to the output end of the rolling wheel conveying belt and connected with the rolling wheel conveying belt through transmission chains. The track type material transportation equipment for the mine field is compact in structure, convenient to use and good in effect and is used for transition and transportation of materials.

The invention discloses an anti-scouring concrete repairing device. The anti-scouring concrete repairing device comprises a mixing and stirring device and a slurry supplement pipe. The mixing and stirring device is used for stirring concrete slurry, and the concrete slurry is injected into concrete cracks through the slurry supplement pipe. The anti-scouring concrete repairing device is characterized in that the mixing and stirring device can cyclically work to prepare materials first and then to discharge the materials, and a plurality of pipelines arranged between the mixing and stirring device and the slurry supplement pipe. The anti-scouring concrete repairing device has the advantages that the cracks are fully filled, the probability of slurry leakage is lowered, the surface flatnessis high after reinforcement, and a grouting pipe can slide in the cracks to achieve slurry supplement; the mounting stability of a support is high, and a wall is not likely to be damaged, or the adhesion strength of a plate body is high; intermittent material supplement and quantitative stirring are conducted, so that raw material waste is reduced, the cracks are fully filled, the probability of slurry leakage is lowered, the surface flatness is high after reinforcement, the grouting pipe can slide in the cracks to achieve slurry supplementation; and the mounting stability of the support is high, and the wall is not likely to be damaged, or the adhesion strength of the plate body is high.

The present application provides a component, system and method for replacing cold shears of a rod and wire cold shear, relating to the field of rod and wire cold shear production. The assembly includes two support wheels and a spreader, each support wheel is used to support the cold scissors and is in rolling contact with the cold scissors, the spreader includes a body, a locking piece and a lifting piece, the body includes two splints, and Two opposite and parallel grippers connected by a splint, each gripper has a limit groove for clamping the limit part, the lifting parts are respectively connected with the horizontal plates of the two grippers, and the lifting parts are equipped with a rope for installing There are hoisting holes, and the locking piece is threadedly connected with the horizontal plate, which is used to selectively lock the cold shears installed in the limiting groove and the body. Under the premise that only one spreader is installed for each cold shear, this component can not only meet the high level requirements during hoisting, reduce the difficulty of replacement, simplify the hoisting process and improve work efficiency, but also reduce the safety risk of hanging objects falling.

The invention relates to a multi-nested type high speed experiment water tunnel. The water tunnel comprises a large experiment water pool, a main water channel pipe, multiple control water channel pipes and multiple water pumps. The control water channel pipes are successively nested in the exterior of the main water channel pipe. A gap is arranged between adjacent pipes. Two ends of the main water channel pipe are equipped with an outlet and an inlet and two ends of each control water channel pipe are equipped with an outlet and an inlet. Outlets are connected with different water pumps. The main water channel pipe and the control water channel pipes are assembled and then immersed into different depths in the large experiment water pool. According to the invention, water is pumped into the water pumps from the outlets, then flows out of water outlets of the water pumps and then is mixed with water in the large experiment water pool, so a self-circulation system is formed; when the water pumps are pumping water, flows in the main water channel pipe and the control water channel pipes can be adjusted respectively, so bubbles generated by high speed flowing of water in the main water channel pipe caused by port effects are removed; and when an object model is arranged in the main water channel pipe for an object model experiment, stable incoming flows can be acquired and an excellent experiment environment is created for the object model experiment.

The invention belongs to the technical field of agricultural machinery, and specifically discloses an agricultural multi-rotor aircraft, which includes a flight system and a spraying system for the aircraft. The rotatable rotor connecting device is connected to the rotor, and the control device is arranged in the center plate; the spraying system for the aircraft includes a second bracket, and the spraying structure for the aircraft is arranged in the second bracket, and the spraying structure for the aircraft includes a spray fixing structure, a spray rod, and a spray fixing structure. Structurally, a medicine box and a medicine pump are connected, a nozzle is fixed on the spray rod, and a medicine pipe is connected to the medicine box, the medicine pump and the nozzle in turn. The invention has the advantages of simple structure, convenient disassembly and good use effect.

The invention discloses wing mounting equipment. The wing mounting equipment comprises a working table (1), a vacuum suction cup device, a pneumatic balance crane (3), air cushion modules (4) and a guide wheel (5). A bearing rod (6) is arranged on the working table (1); a handle (7) is arranged on the working table (1); an air source (8) allowing the air cushion modules (4) to be inflated is arranged on the working table (1); one end of the pneumatic balance crane (3) is connected with the bearing rod (6); the other end of the pneumatic balance crane (3) is connected with the vacuum suction cup device; each air cushion module (4) is arranged on the lower surface of the working table (1); the guide wheel (5) is arranged on the bottom face of the working table (1); a control box (14) which enables each air cushion module (4) to be inflated to jack up the working table (1) to be separated from the ground and meanwhile enables the guide wheel (5) to be jacked out of the working table (1) to be in contact with the ground is arranged on the working table (1); and the air source (8) is connected with the input end of the control box (14). According to the wing mounting equipment, a wing is more rapid and convenient to carry, economical and environmentally friendly.

The invention relates to the technical field of plastic suction, in particular to a plastic suction mold for forming a tray through plastic suction. In order to improve the demolding efficiency and the production yield of the tray, the invention provides the tray plastic suction mold. The tray plastic suction mold comprises a bottom plate and a mold core, wherein the mold core is located on the bottom plate, first demolding mechanisms are arranged on adjacent first side frame and second side frame in rectangular convex frames on the periphery of the mold core, and second demolding mechanisms are arranged on adjacent third side frame and fourth side frame; in the demolding mechanisms, turning plates are located at the tops of the rectangular convex frames and are connected with connecting sliding columns in connecting sliding holes in the rectangular convex frames through connecting blocks, and the connecting blocks are connected with the connecting sliding columns through connecting pins penetrating through connecting through holes; and during demolding, the distance between the turning plates in the first demolding mechanisms and the tops of the rectangular convex frames is largerthan the distance between the turning plates in the second demolding mechanisms and the tops of the rectangular convex frames. The tray plastic suction mold is convenient and rapid to demold, high indemolding efficiency and high in production yield.

The invention discloses a method for controlling and switching a redundancy electronic control system of an engine. Digital signals are used between active-standby circuit wafers for monitoring active-standby state in real time; active-standby control commands are generated according to monitor information; wherein, the monitor on the active-standby state is realized mainly by comparing characteristic signals passed by an opposite site; continuous new characteristic signals are used for determining whether the state of the opposite site is normal or not; the control state of a logic circuit is determined and switched according to the information of the active-standby state so as to increase accuracy and reliability of switching. The method has the advantages of flexible setting, simple, reliable, and stable structure.

The invention is suitable for the technical field of lathes, and provides a balance weight device for a machine tool. The balance weight device for the machine tool comprises a machine tool supportingassembly, a machine tool driving assembly and a balance weight assembly, wherein the machine tool supporting assembly comprises a machine tool bottom plate, a machine tool support, a motor supportingplate and a machine tool cross beam; the machine tool support is fixedly connected with the machine tool bottom plate; by installation of a motor, power is provided for the whole device; by installation of a balance weight, balance of the machine tool is maintained; by arrangement of a balance weight disc, the stability of the center of gravity of the balance weight is improved; a connecting shaft is mounted on the balance weight disc and is connected with a balance weight hem; the balance weight hem oscillates around the connecting shaft; owing to the balance weight hem which oscillates around the connecting shaft on the balance weight disc, impact force of shaking and vibration to the balance weight device is relieved; the circumstance that violent vibration is generated to affect stability of running of the machine tool when the center of gravity of the balance weight device is not in the rotating center of the machine tool, quality problems in a product machining process are avoided, the machine tool is prevented from being damaged, and the service life of the machine tool is prolonged.