81results about How to "In line with the principles of ergonomics" patented technology

The invention discloses a normal aircraft brake system. The normal aircraft brake system comprises a travel switch, a hydraulic brake valve, an electric valve, an electro-hydraulic servo valve, an antiskid control box and a speed sensor, wherein the hydraulic brake valve is mounted near a pedal mechanism below a cockpit baseplate; and the antiskid control box is mounted in a main gear cabin. The travel switch controls the on/off of the electric valve; and the electric valve is mounted on a hydraulic pipeline at the downstream of the hydraulic brake valve. The electro-hydraulic servo valve is mounted on a hydraulic pipeline at the downstream of the electric valve. The normal aircraft brake system can satisfy the increasing take-off line brake requirement of a traditional normal aircraft brake system, is reasonable in structure, simple and feasible, accords with the ergonomic principle, facilitates to relieve the driver burden, and can eliminate the accident potential due to communication of a take-off line brake switch caused by wrong actions.

The invention relates to a semi-automatic packaging machine which is suitable for irregular bulk foods such as short chips, spicy hot fishes, potato chips, short fried strips and the like which are cooked foods with a certain hardness and brittleness and are made from flour puffing and also suitable for solid bodies with very small particle diameters or powdery materials. The food packaging machine comprises a material storing and transporting system, a control system, a machine case, a photoelectric sensor, a top hopper feeding mechanism, a vibrating feeding system, a door opener, an electronic weighing device, a nozzle module, a clamping-type sealing machine, a sliding plate, a belt conveyer and the like and is characterized in that forms of a big/small vibrating feeder, a duplex twisting feeder, a twisting shaft and an elastic steel sheet are adopted to guarantee rapid and accurate feeding to the weighing device, wherein the period of weighing, packaging and sealing at a time is generally within 2-4s; a weighing hopper is divided into a fixed side and a movable side, wherein the movable side is hinged on the fixed side, the load of a transmission mechanism for realizing execution actions of the movable side is not applied on the weighing hopper and the sensitivity is high; the door opener is of a structure that an execution part does planar motions without a fixed pivot; and installation positions of the lower body of the nozzle, the photoelectric sensor, the clamping-type sealing machine and a seat accord with ergonomics principles. The machine provided by the invention also has the advantages of simple structure, light weight, high efficiency and the like.

The invention discloses a normal brake system used for an airplane and having take-off line brake capability. The normal brake system comprises a hydraulic brake valve, an electric valve, an electro-hydraulic servo valve, an anti-slip control box, a hydraulic switch and a speed sensor, wherein the hydraulic brake valve is mounted near a pedal mechanism under a bottom plate of a cockpit, controlled by operation of stepping on a brake pedal by a pilot and used for outputting a required brake pressure; the electric valve is mounted on a hydraulic pipeline at the downstream part of the hydraulic brake valve; the electro-hydraulic servo valve is mounted on a hydraulic pipeline at the downstream part of the electric valve; the anti-slip control box is mounted in a main landing gear cabin and powered by a power supply on the airplane; the hydraulic switch is mounted on a hydraulic pipeline between the hydraulic brake valve and a first oil inlet of the electric valve. The normal brake system can meet a braking demand of an existing normal brake system of the airplane on a take-off line, is reasonable in structure, simple, convenient, feasible, consistent with a man-machine engineering principle and favorable for reducing the burden of the pilot, and eliminates accident potentials caused by false operation of switching on a take-off line brake switch.

The invention discloses a wearable lower extremity exoskeleton power-assisted robot. The wearable lower extremity exoskeleton power-assisted robot comprises a back frame, hip joints, thigh assemblies, calf assemblies, knee joint sleeves, ankle joints and shoe soles. The front side of the back frame is provided with hip joint protective plates. The hip joints are installed on the two sides of each hip joint protective plate. The upper ends of the thigh assemblies are connected with the hip joints, and the lower ends of the thigh assemblies are connected with the upper ends of the calf assemblies. The lower ends of the calf assemblies are connected with the ankle joints. The ankle joints are fixed to the outer sides of the shoe soles. A hip joint hydraulic oil cylinder is installed between each hip joint and the front side of the corresponding thigh assembly. A knee joint hydraulic oil cylinder is installed between the rear side of each thigh assembly and the rear side of the corresponding calf assembly. A foot hydraulic oil cylinder is installed between the front side of each calf assembly and the corresponding shoe sole. The hip joint hydraulic oil cylinders, the knee hydraulic oil cylinders and the foot hydraulic oil cylinders are controlled to stretch out and draw back by a hydraulic control system. The wearable lower extremity exoskeleton power-assisted robot has the advantages that large loads can be achieved, and automation can be achieved by controlling oil lines; and the size of all the components of the robot is adjustable, constraint to the hip joints is reduced after a soldier wears the robot, and the robot meet the principle of man-machine engineering better.

The invention relates to a driver control console for a railway vehicle. The driver control console comprises a cabinet assembly consisting of a left cabinet, a middle cabinet and a right cabinet, wherein adjacent cabinets are fixedly connected through bolts; a console panel assembly is fixed above the cabinet assembly; a window which is used for mounting a component panel is reserved on the console panel assembly; the component panel which is embedded with an operating device or display device is mounted at the position of the window on the console panel assembly; a connecting angle bar is embedded in the lower surface of the edge of the console panel assembly; the connecting angle bar is fixedly connected to a section bar of the cabinet assembly through a bolt; a steel plate is lined in the console panel assembly; component panel mounting holes are formed on the periphery of the window on the console panel assembly and screw nuts are embedded at the corresponding position on the rear part; and bolts are screwed into the screw nuts so that the component panel is fixed at the position of the window on the console panel assembly. The driver control console has the advantages of reasonable structure, high modularization degree, simple and smooth lines, convenience in maintenance, and the like. The design of the console panel fit with principles of ergonomics and the console panel has an attractive appearance.

The invention provides an after-current circuit breaker operation mechanism which comprises a handle and a transmission mechanism which are arranged in a rotating mode, a tripping fastening assembly, a releasing piece and a free releasing mechanism. The transmission mechanism comprises a first connection rod connected with a handle and a second connection rod in pivoting connection with the first connection rod. The second connection rod is in transmission connection with a movable contact. The tripping fastening assembly comprises a tripping fastening piece, a locking fastening piece, a tripping fastening spring and a locking fastening spring. The releasing piece drives the locking fastening piece to move to enable the tripping fastening piece to be separated from the locking fastening piece. The free releasing mechanism enables the movable contact to move when the handle does not rotate. The free releasing mechanism comprises a cam arranged in a rotating mode and a third connection rod, a protruding portion of the cam contacts the tripping fastening piece in an abutting mode, one end of the third connection rod is in pivoting connection with the cam, and the other end of the third connection rod is in pivoting connection with the connection position of the second connection rod and the first connection rod. When the stripping fastening piece is separated from the locking fastening piece, the cam drives the tripping fastening piece to rotate to drive the third connection rod to drive the second connection rod to move to drive the movable contact to move. The mechanism is simple in structure and capable of achieving a free releasing function without the aid of external force.

The invention discloses a bogie assembling and completing technology and a swing bolster side frame assembling machine. The swing bolster side frame assembling machine comprises a base, a walking assembly, a lifting assembly, a displacing assembly and a supporting base. The walking assembly comprises two walking tracks fixed to the base and a rack fixedly installed between the two walking tracks.First sliding blocks which are in sliding fit with the walking tracks are arranged on the walking tracks, a first base plate is fixedly arranged at the tops of the first sliding blocks, a walking motor is fixedly installed at one end of the first base plate, and a gear meshed with the rack is fixedly installed on a spindle of the walking motor. By adopting 'one-stop' station logistics, assemblingand completing of each bogie on an assembly line can be achieved just by one-time suspension of a suspension type mechanical hand, the bogies are conveyed to the destination from the starting point ofthe assembly line, the phenomenon that bogies are suspended frequently at all stations is avoided, and the production efficiency is improved.

The invention provides a terminal device comprising a distance sensor, a memory, a controller and a display screen, wherein the distance sensor is used for sensing the distance between a human eye and the display screen; to-be-displayed contents are stored in the memory; the controller is used for determining a target resolution of the to-be-displayed contents according to the distance sensed by the distance sensor and adjusting the original resolution of the to-be-displayed contents to the target resolution so as to generate target display contents with the target resolution, and controlling the display screen to display the target display contents in full screen; wherein the target resolution is in be inverse proportion to the distance. The invention further provides a display method. The scheme in the invention satisfy the human eye viewing properties, improves the user experience and can reduce the power consumption of the display screen.

The invention discloses a labor-saving linkage positioning and locking structure, and belongs to the technical field of positioning of machining equipment. The labor-saving linkage positioning and locking structure comprises a connecting rod, clamping jaws, screw rods, a frame, cross universal joints, a guide rail, a locking mechanism, a spring support base, a positioning groove and a steel plate spring, wherein the guide rail is horizontally mounted on the frame; the positioning groove is formed in the guide rail; the spring support base is arranged on the side surface of the frame, and is provided with the steel plate spring; the steel plate spring is parallel to the guide rail; the connecting rod is perpendicular to the guide rail, and is horizontally arranged below the guide rail; the screw rods are respectively connected to the two ends of the connecting rod; the cross universal joints are respectively arranged between the connecting rod and the screw rods; the clamping jaws are respectively matched and mounted on the screw rods at the two ends of the connecting rod; and the tail end of one screw rod is fixedly connected to the locking mechanism. Through the positioning of rollers and the linkage of the clamping jaws, mechanical loads with the rollers achieve a quick, stable and reliable positioning and locking effect on the guide rail for a long time; and the starting force in renewed starting is comparatively low and no scratches of the guide rail may be caused.

The invention relates to an oil-electricity-type rotary pond digging self-propelled tobacco seedling transplanter. The transplanter is characterized by being composed of an adjustable chassis rack, a rotary pond digging mechanism, an adjustable transplanting mechanism, a seedling tray mechanism, a gasoline engine generator, a voltage stabilizing circuit module, an intelligent control cabinet and a control mechanism, the adjustable chassis rack can manually increase or decrease overall height of the transplanter, the pond digging mechanism adopts a continuous rotation pond digging operation mode, the adjustable transplanting mechanism can independently adjust root planting depth of tobacco seedlings according to requirements and adopts a crank and connecting rod mode to drive a seedling guide seat to move up and down, and opening and closing of the transplanter are realized by adopting a multiple-connecting-rod self-locking mechanism. The seedling tray mechanism which is simpler and more practical is provided. The crank and connecting rod transplanting mechanism controls starting and stopping of the transplanter, all actions including traveling and transplanting are controlled through the intelligent control cabinet, the transplanter can replace manpower to do planting work in ridged tobacco fields, and the gasoline engine generator powers the transplanter.

The invention relates to car covering part welding equipment, in particular to a hand-cranking rotary mechanical locking overturning table. The hand-cranking rotary mechanical locking overturning table comprises a first base and a second base which are symmetrically mounted in the left-right direction, and the first base and the second base are provided with a first fixing column and a second fixing column correspondingly; and a second bearing is arranged at the top end of the second fixing column, a second rotary shaft is connected to the second bearing, a locking disc is mounted on the second rotating shaft, a locking hole is formed in the locking disc, a locking pin is mounted on the locking hole in a matched mode and fixed to a first connecting rod, the first connecting rod is connected with a second connecting rod, and the second connecting rod is connected to the second fixing column through a spring. The overturning table can rotate by any angles, is easy and safe in operation and more accords with the principle of man-machine engineering; and the structure is compact, and the labor intensity of operating personnel in operation is greatly relieved.

The invention relates to a wall-mounted air conditioner gentle air device. The device comprises an enclosure body, a piece of air filtering cloth and gaskets. The enclosure body is designed differently according to different sizes of wall-mounted air conditioners in the market. The enclosure body is made of transparent acrylic plates, the four corners of the enclosure body extend outwards to respectively form one gasket, a hole is formed in each gasket, and the gaskets are fixed to a wall through screws. In the position below the front side of the enclosure body, a rectangular opening is formed in an air outlet of an indoor hanging unit of an air conditioner, the rectangular opening is tightly sealed through the air filtering cloth, nylon splicing bands are bonded to the two ends of the air filtering cloth, nylon splicing bands are bonded to the two ends of the rectangular opening as well, and the air filter cloth can be directly bonded to the rectangular opening of the enclosure body and can also be taken down to be cleaned and replaced at regular times. The air speed of air filtered out of the air filtering cloth becomes small, and the air becomes softer and more comfortable and is pleasant.

The invention discloses a motor bearing polishing machine. The motor bearing polishing machine comprises seven stations of a material inlet mechanism, a circular conical surface polishing mechanism, along inner circular surface rough polishing mechanism, an outer circular surface polishing mechanism, a long inner circular surface fine polishing mechanism, a short inner circular surface polishingmechanism and a finished product collecting box which are arranged on a rack, industrial mechanical arms are arranged at positions between the seven stations correspondingly, wherein the right rears of the circular conical surface polishing mechanism, the long inner circular surface rough polishing mechanism, the long inner circular surface fine polishing mechanism and the short inner circular surface polishing mechanism are provided with clamping mechanisms correspondingly, and upper compressing mechanisms are arranged above the long inner circular surface rough polishing mechanism, the longinner circular surface fine polishing mechanism and the short inner circular surface polishing mechanism correspondingly. By means of the motor bearing polishing machine, full-automatic control is realized, seven working procedures of material inlet, circular conical surface polishing, long inner circular surface rough polishing, outer circular surface polishing, long inner circular surface fine polishing, short inner circular surface polishing and finished product collecting of motor bearings to be polished can be finished at a time, the polishing efficiency and precision are high, the quality is good, furthermore, the cost is low, and the labour strength is greatly lowered.

The invention relates to a railway vehicle driver operating console on-vehicle integrated assembly process. The process comprises the following steps that: 1, a left cabinet, a middle cabinet and a right cabinet are fixedly connected and assembled into an integration by bolts to form a cabinet assembly; 2, electric equipment is installed inside the cabinet assembly, and electrical wiring is performed; 3, the table surface assembly is fixed with the cabinet assembly, a connection angle iron inserted in a lower surface of an edge of the table surface assembly forms a fixed connection with the shaped material formed by the cabinet assembly by bolts; 4, an operation apparatus or a display apparatus and related electrical components are installed on a component panel; 5, the component panel is installed on a window formed by the table surface assembly, and electrical wiring is performed; 6, a driver operating console is integrated placed on the train, and is tightly installed on a vehicle steel structure. According to the present invention, the assembly process adopts the off-vehicle integrated assembly, and the on-vehicle fixation, the production efficiency is high and the assembly precision is high.

The invention discloses a double-saw-blade cutting machine. The double-saw-blade cutting machine comprises a frame, a feeding and discharge mechanism, a pressing mechanism, a cutting mechanism and a residual-material discharge mechanism, wherein the feeding and discharge mechanism comprises a feeding drive motor, a reducer, a feeding drive shaft, a feeding driven shaft, a feeding chain drive wheel, a feeding chain driven wheel, a feeding chain, a feeding conveying belt, a feeding drive shaft drive wheel and a feeding drive shaft driven wheel; the pressing mechanism comprises a pressing plate mounting rack and a pressing plate; the cutting mechanism comprises a cutting drive motor, a cutting saw blade mounting shaft drive wheel, a cutting saw blade mounting shaft driven wheel, a cutting transmission belt, a cutting saw blade mounting shaft and cutting saw blades; the residual-material discharge mechanism comprises a residual-material conveying drive shaft drive wheel, a residual-material conveying driven shaft drive wheel, a residual-material conveying belt drive wheel, a residual-material conveying belt driven wheel and a residual-material conveying belt. The double-saw-blade cutting machine has the advantages that full-automatic control is achieved, long-plate feeding, pressing, cutting, finished-product discharge and residual-material discharge can be completed in one workingcycle, and the double-saw-blade cutting machine is high in cutting efficiency, high in precision, good in product quality, low in cost and low in worker labor intensity.

The invention discloses a marine nitrogen informatization preparation device and a control method thereof. The marine nitrogen informatization preparation device is jointly composed of a mechanical system and an electrical control system. The mechanical system comprises a compressed air preparation unit, an air pretreatment unit, a nitrogen generation unit (membrane air separation device) and a nitrogen storage unit; the electrical control system is composed of a power distribution unit and a control unit. By detecting the O2 content, the dew point temperature, the membrane inlet and outlet pressure and other parameters in real time, the nitrogen quality is detected in real time in each stage of equipment operation, optimal matching of process variables and membrane performance is achieved, whether emptying is conducted or not is determined in real time according to the detected conditions, the nitrogen purity is guaranteed, and the nitrogen productivity is improved; meanwhile, the film loss is reduced, and the service life of the whole machine is prolonged. The nitrogen quality meets the requirements, and the nitrogen use safety is ensured.

The invention discloses a solid-liquid mixing material drying device. The solid-liquid mixing material drying device comprises a cylinder and a cylinder cover; an unloading opening is formed in the bottom of the cylinder, a vertical stirring mechanism is arranged in the cylinder, a lifting mechanism capable of enabling the cylinder cover to vertically move is connected to the cylinder cover, a medium recycling opening is formed in the cylinder cover, during use, the cylinder only need to be heated or cooled, material drying or rapid cooling after drying can be achieved, the medium recycling opening is formed in the cylinder cover, liquid media in the materials can be conveniently recycled, the unloading opening is formed in the bottom of the cylinder, the cylinder cover can vertically ascend and descend, it is ensured that the device is higher in adaptation, during loading and unloading, the device is convenient and labor-saving, production efficiency can be improved, the vertical stirring mechanism is arranged, drying and stirring are more labor-saving, it is ensured that a material component is not segregated, through turnover, powder or particles with the small granularity can be formed, and the subsequent procedure machining difficulty can be reduced.

The invention provides a binding rack capable of improving binding quality of a motor hard winding coil. The binding rack comprises a hard winding coil clamping mechanism, an angle adjusting mechanism and a hard winding coil span adjusting mechanism, wherein the hard winding coil span adjusting mechanism consists of a gear, racks and a gear adjusting handle which are in intermeshing transmission; the gear is arranged in a gear adjusting box; the gear adjusting handle is fixedly connected with the gear; two racks are arranged and are fixedly connected with the angle adjusting mechanism respectively; the angle adjusting mechanism is fixedly connected with the hard winding coil clamping mechanism; the hard winding coil clamping mechanism rotates relative to the racks through the angle adjusting mechanisms. By using the binding rack, the frequent movement of an operator during binding operation and the randomness of manual frequent movement of the coil can be avoided, the uniformity and the consistency of the binding operation are guaranteed, the binding operation efficiency and the binding quality are effectively improved, and the insulating state of the coil is protected from being damaged.

The invention discloses a marine nitrogen preparation device integrating multiple functions and having safety redundancy and a control method thereof. The device comprises an air compressor (A1), a compressed air storage tank (A2), a refrigeration dryer (A3), a filter (A4), a membrane inlet flow transmitter (C1), a membrane inlet pressure transmitter (C2), a membrane inlet temperature transmitter (C3), a membrane inlet electromagnetic valve (B1), a membrane air separation device (A5), an oxygen analyzer (C4), a dew point thermometer (C5), a membrane outlet pressure transmitter (C6), an adjusting valve (B3), a membrane outlet three-way valve (B2), and a nitrogen storage tank (A6). By detecting parameters such as O2 content, dew point temperature, membrane inlet and outlet pressure and the like in real time, nitrogen quality is detected in real time in each stage of equipment operation, optimal matching of process variables and membrane performance is realized, and whether emptying occurs or not is determined in real time according to detected conditions, so that nitrogen purity is guaranteed, and nitrogen productivity is improved.