31results about How to "Affects stationarity" patented technology

A switching-over circuit of engine redundant electric control system consists of master-backup system control circuit separately set on two circuit board with the same function. It is featured as forming said each control circuit by CPU processor, information exchange circuit, CPU interface circuit, master-backup control logic circuit and state processing logic circuit; carrying out real time monitor on master-backup state by utilizing digital signal between master-backup circuit board and generating master-backup control command according to monitored information. Its controlling method is also disclosed.

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 invention discloses rail type material transport equipment for building construction and belongs to the technical field of building equipment. According to the technical key points, the rail typematerial transport equipment is characterized in that the rail type material transport equipment comprises a square mounting platform; two front vertical columns and two rear vertical columns are arranged on the lower end face of the mounting platform; driven sliding devices are arranged at the lower ends of the two front vertical columns correspondingly; driving sliding devices are arranged at the lower ends of the two rear vertical columns correspondingly and connected with a main control unit; a first roller conveying assembly is arranged on the upper end face of the mounting platform and connected with a braking mechanism; a supporting platform is arranged below the mounting platform; a lifting mechanism is arranged on the supporting platform; a plurality of conveying rolling wheels are arranged on the lifting mechanism; a photoelectric sensor is arranged on a positioning connecting rod on the lower side of a connecting plate; and the braking mechanism, the lifting mechanism and the photoelectric sensor are connected with the main control unit. The rail type material transport equipment for building construction is compact in structure, convenient to use and good in effect, andis used for material transport in building construction.

The invention relates to the field of automobile accessory production, in particular to a pressurizing structure. The structure comprises a main frame, a lifting cylinder and a moulded plate. The lifting cylinder is fixedly arranged above the main frame, the moulded plate is arranged below the main frame, and the lifting cylinder is connected with the moulded plate and can drive the moulded plate to ascend and descend. According to the pressurizing structure, the cylinder is adopted to serve as a lifting power device of the moulded plate and provides power for lifting and downwards pressing the moulded plate, and under the situation that a hydraulic machine is not needed to press a die, the die pressing function is guaranteed, and resources and cost are saved.

The invention discloses a mining rescue unmanned aerial vehicle. The unmanned aerial vehicle comprises a vehicle body, a main controller, power devices, protective net covers, a storage box, a camera,and a battery, wherein the main controller is arranged in the vehicle body and is in wireless communication connection with an external wireless remote controller; the multiple power devices are evenly distributed on the two sides of the vehicle body and electrically connected with the main controller; the number of the protective net covers is multiple, the multiple protective net covers are allfixedly connected with the vehicle body, and each power device is arranged in the corresponding protective net cover; a top end of the storage box is fixedly connected with the bottom end of the vehicle body; the camera is fixedly mounted on the front side of the vehicle body and is electrically connected with the main controller; and the battery supplies power to electrical equipment of the unmanned aerial vehicle. By arranging the protective net covers, problems that the power devices are affected by falling stones and collide with the wall of an underground roadway are effectively solved,the unmanned aerial vehicle can fly normally, the storage box is arranged, rescue materials can be carried, and corresponding water sources, food and medicine are provided for to-be-rescued personnel.

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 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 provides a flapping and rotating machine. Revolution main shafts of flapping rotors are arranged on the two sides of a fuselage through flapping rotor supports, meanwhile, a front rotating arm and a rear rotating arm are correspondingly and perpendicularly fixed to the head end and the tail end of each revolution main shaft respectively, and rotation main shafts are rotationally connected with the front rotating arms and the rear rotating arms respectively and located on the two sides of the revolution main shafts respectively; the revolution motor drives the revolution main shaft to revolve for a circle through the revolution transmission gear set; the revolution main shaft drives the autorotation main shaft to autorotate for half a circle through the autorotation transmission device; the rotor mechanisms are fixed to the autorotation spindles on the two sides of the revolution spindle in a one-to-one correspondence mode, each rotor mechanism comprises a rotor, and the rotating surfaces of the rotors on the two sides of the revolution spindle are perpendicular; each rotor comprises a central shaft, a rotary disc and a plurality of rotary wing sections, a central holeis formed in the center of the rotary disc, the central shaft penetrates through the central hole and is rotationally connected with the rotary disc through a bearing, and meanwhile, the rotary wingsections are symmetrical biconvex wing sections; the invention provides a flapping and rotating machine. The rising efficiency and the flying safety are improved.

The invention provides a pipeline water pressure test system and a test method, which relate to the technical field of conveying pipeline safety measurement. The systemcomprises a bottom supporting plate which is horizontally placed on the ground, the top end of the bottom supporting plate is provided with a supporting rib plate erected at the top end of the bottom supporting plate, a horizontally-fixed top supporting plate is arranged at the top end of the supporting rib plate, a plurality of through long holes are formed in the top end of the top supporting plate, every two adjacent long holes are formed in the top end of the top supporting plate at equal intervals, and threaded lead screws parallel to the long holes are arranged at the top end of the top supporting plate. An exhaust hole is formed in the middle of anair nozzle,a guide plate is hinged to the inner wall of the exhaust hole, the angle of the guide plate in the exhaust hole is controlled by the guide plate through a third adjusting screw, the blowing-out direction of the exhaust hole is controlled by changing the swing angle of the guide plate, airflow is guided to the outer wall of the pipeline, impurities on the outer wall of the pipeline are removed, and operation simplicity is improved.

The invention relates to the technical field of building production, and discloses a waste paper recovery pretreatment device. The waste paper recovery pretreatment device comprises a crane boom; a storage sleeve is hinged to the bottom of the left end of the crane boom, and the bottom ends of the front inner wall and the rear inner wall of the storage sleeve are both provided with skewed slots, and the left ends of the interiors of the skewed slots are fixedly connected with first telescopic rods; one ends of the first telescopic rods are fixedly connected with supporting arms, and the two opposite surfaces of the two supporting arms are fixedly connected with the front end and the rear end of a transverse rod correspondingly, and a user can conveniently hang a lifting hook on the transverse rod; the storage sleeve is rotated by 90 degrees under pull force of a second telescopic rod and connected to the bottom of the outer wall of the crane arm in a sleeving mode, so that a driver hasa wide visual field to observe the road condition, and in addition, the situation that normal running of surrounding vehicles is influenced by the lifting hook is avoided; when the vehicle is drivenon an uneven road surface, the lifting hook is clamped in the middle by two baffles and buffer springs, thus, the lifting hook is conveniently limited, the left-right swing amplitude of the lifting hook is reduced, and the situation that the running stationarity of the vehicle is influenced by large-amplitude left-right swing is avoided.

The invention provides a tilting type free half-rotating flapping rotor aircraft. Two sides of a fuselage are symmetrically and rotatably connected with rotating shafts through bearings, and a frame is fixed on the rotating shafts; an inclination angle adjusting device is connected with the fuselage and the rotating shafts, is electrically connected with the controller, drives the rotating shaftsto rotate and drives the frame to tilt; revolution spindles of flapping rotors are arranged at the two sides of the fuselage through the frame and rotationally connected with the frame through bearings, and meanwhile the two ends of the revolution spindle at each side of the revolution spindles are rotationally connected with a front rotating arm and a rear rotating arm through bearings correspondingly. A revolution motor drives the revolution spindle to revolve for one circle through a revolution transmission gear set, and the revolution spindle drives the autorotation spindle to autorotate for half a circle through the autorotation transmission device. The tilting type free semi-rotating flapping rotor aircraft of the invention improves the rising efficiency and the flying safety.

The invention discloses a full automatic pre-attaching device for a conducive film on a mobile phone screen, belonging to the technical field of hot presses. According to the key points of the technical solution, the device comprises a rack, wherein the rack is provided with a loading table carrying an LCD, an attaching mechanism for bonding an ACF with the LCD on the loading table, a material feeding sucker mechanism for sucking to-be-processed LCD to the loading table, and a blanking sucker mechanism for transferring the LCD with the ACF to the next step, wherein the loading table is provided with an attaching jig for positioning the LCD, the attaching jig comprises a vacuum positioning plate with a vacuum cavity formed inside, and vacuum adsorption holes uniformly distributed on the vacuum positioning plate and communicated with the vacuum cavity. The device has advantages of guaranteeing that the ACF is attached accurately and improving attaching accuracy.

The transfer device comprises wheels which replace sliding friction with rolling friction to assist the transfer device to move, the wheels comprise power wheels used for providing power and steering wheels used for steering, and the power wheels and the steering wheels jointly bear the weight of the transfer device and are matched with each other to complete the transfer action. The power wheels comprise a first power wheel and a second power wheel which are mutually independent and oppositely arranged, the steering wheels comprise a first steering wheel and a second steering wheel which are mutually independent and oppositely arranged, the first steering wheel and the second steering wheel are both Mecanum wheels, and the first steering wheel and the second steering wheel are arranged in a mirror symmetry mode. The device is stable in operation, has high adaptability to various grounds, can automatically clean obstacles on the ground, and is reliable to use.

The invention provides a gearbox of an agricultural vehicle. The gearbox of the agricultural vehicle comprises a driving shaft, driven shafts on the two sides of the driving shaft, a main box body arranged on the driving shaft, and edge reduction box bodies arranged on the two sides of the main box body and connected with the driving shaft and the driven shafts. The main box body is arranged in the middle position of the agricultural vehicle and comprises two first driving gears which are arranged on the driving shaft. Each edge reduction box body comprises a second driving gear arranged on the driving shaft and an edge reduction gear arranged on the corresponding driven shaft and engaged with the second driving gear. The second driving gears and the first driving gears are arranged in a linkage mode. At least the edge reduction box body on one side of the main box body deviates from the main box body towards traveling mechanisms of the driven shafts. According to the gearbox of the agricultural vehicle, the minimum distance between the middle position where soil is prone to being accumulated and the ground is greatly increased, and thus soil is not prone to being accumulated anymore; and meanwhile, the space defined by the inner sides of the two edge reduction box bodies and the bottom of the main box body is enlarged, so that soil and the like discharged by a traveling mechanism of the vehicle are not prone to being accumulated in the space, and advancing resistance of the vehicle is reduced.