562results about How to "High replaceability" patented technology

A wrapping device provides at least a circular track structure which forms a closed track, and a film feeding device which is arranged to circulate along the track and to feed a film around a piece to be wrapped. The film feeding device includes a frame structure with a rotatable film roll and a feeding mechanism through which the film is arranged to be fed at a desired film tension. The frame structure can be disconnected from and reconnected to the film feeding device for the change of the film roll, and for the change of the film roll, the wrapping device also includes an automatic change system for the change of the frame structure. The frame structure is an integrated unit which can be independently disconnected from and reconnected to the film feeding device. The carriage device of the wrapping device is intended to carry along the film feeding device, and it includes several carriages placed one after the other and coupled to each other, wherein at least one the frame structure is placed or can be placed in one or more carriages.

The invention discloses a single-axle fiber gyroscope north-searching instrument which comprises a single-axle fiber gyroscope as sensing component, a rotary axle, a direction pointing line, a stepper motor, a monolithic computer and a north-searching computer. Wherein the fiber gyroscope and the direction point line are fixed on the rotary axle, the stepper motor can drive the rotary rotating for obtaining the output signals sent by the fiber gyroscope from different sites; the monolithic computer mainly control the rotating of the rotary axle, the north-searching computer perform data collection and employs its internal mathematics model to process the sampling signal and get the north-searching results. The invention also can calculate out the angle that the invention and target connecting line relative to the north direction.

The invention provides a service realization method based on an ability opening platform. The method comprises the following steps: the ability opening platform receives an ability registration request of an ability provider and stores ability information registered by the ability provider and related ability products; the ability opening platform receives an ability product ordering request of an application developer and generates an ordering relationship between the application developer and an ordered ability product thereof after authentication; and the ability opening platform receives an application releasing request of the application developer and releases an application provided by the application developer and related application products, wherein the application is developed and obtained based on one or a plurality of abilities ordered by the application developer. The invention further provides an ability opening platform. According to the invention, requirement for a mobile terminal can be reduced, and various applications not possessed by the terminal can be provided for terminal users.

The invention discloses a compact multi-mode valve driving system and belongs to the field of engine valve driving, stroke changing and auxiliary braking. The compact multi-mode valve driving system comprises a first cam shaft provided with a shaft sleeve, a second cam shaft provided with an exhaust braking cam, switching assemblies, a braking switch and the like. The shaft sleeve is provided with an intake four-stroke cam, an intake two-stroke cam, an exhaust four-stroke cam, an exhaust two-stroke cam and two switching grooves. The axial position of the shaft sleeve is controlled through the two switching assemblies, and two-stroke and four-stroke seamless switching is achieved; and the driving modes and the braking modes are switched through only one braking switch. By means of the compact multi-mode valve driving system, the four modes including the four-stroke driving mode, the two-stroke driving mode, the four-stroke braking mode and the two-stroke braking mode are flexibly switched, and high-power, low-oil-consumption, low-emission and efficient graded braking is achieved. The compact multi-mode valve driving system is simple and compact in structure, high in reliability, low in cost and high in response speed.

The present invention discloses a connection structure of an airframe-airfoil of an unmanned aerial vehicle, which is realized by the connection of a pair of front and back joints of the airfoil and a pair of front and back joints at the oil box soleplate of the airframe that is the front joint of the airfoil is connected with the front joint of the airframe by bolts, and the back joint of the airfoil is connected with the back joint of the airframe by bolts. The airfoil and the airframe are linked just by four pairs of joints and four connection pieces, and the force transmission of the connection pieces is reasonable, which reduces the connection of joint parts and the concentration of stress; a majority of load is discharged during flying, which improves the anti-fatigue performance. The present invention has the characteristics of small size, good flexibility and large production batch. The structure can improve the rigidity of the joints to ensure the firm connection of the airframe and the airfoil and the high efficiency of the structure, and the structure belongs to the external connection, which has strong changeability and meets the requirement of combat readiness.

The invention relates to the technical field of robots, in particular to a full-automatic intelligent multi-pot position cooking method. The full-automatic intelligent multi-pot position cooking method is characterized by at least comprising the following steps of enabling a driving mechanism to drive a cooking pot to move to a food storage and supply system to fetch material, heating the cooking pot after material fetching, and driving the cooking pot to vibrate; after cooking, driving the cooking pot to move to a finished product dishing system to dish. The full-automatic intelligent multi-pot position cooking method has the advantages that the cooking, boiling, cleaning, dish servicing and other functions are realized, and the full-automatic cooking effect is realized; various different dishes can be simultaneously cooked; the occupation space of the whole cooking robot is obviously saved, the structure is compact, and the layout of the cooking robot is convenient; the movement travel and range of the pot are reduced, and the cooking time of each dish is shortened; the mechanism of the cooking robot body can be simplified by other ways, and the requirement on action accuracy is decreased.

The invention discloses a pump and pump station integrated tester which comprises a sensing module, a collecting module and a processing module, wherein the sensing module is used for measuring performance parameters of a pump and a pump station and obtaining sensing signals, the collecting module is connected with the sensing module through a connecting wire for collecting the sensing signals obtained by the sensing module and transmitting the sensing signals to the processing module, and the processing module is connected with the collecting module for processing the sensing signals transmitted by the collecting module. The tester of the invention can effectively improve the test precision of the pump and the pump station, and a sensor can not be wrongly connected, and has simple and reliable connection mode and excellent replaceable ability. A collecting card is directly connected with the processing module through a USB interface for realizing data transmission, supports hot-plug, and greatly simplifies the test operation process. In additional, the tester has simple structure, and is convenient for carrying about.

The invention relates to a control surface differential drive mechanism suitable for an unmanned aerial vehicle. The control surface differential drive mechanism comprises a common module, a left aileron drive mechanism module and a right aileron drive mechanism module. A dual-output steering engine connecting rod (2) is driven by an electric steering engine (2) to rotate, and a left aileron rudder shaft (111) and a right aileron rudder shaft (112) are driven to rotate oppositely through movement of a left connecting rod (61), a right connecting rod (62), a left rudder shaft connecting rod (81) and a right rudder shaft connecting rod (82), so that a left aileron (121) and a right aileron (122) deflect oppositely. Differential drive of the left aileron and the right aileron is achieved through a dual RSSR space four-connecting-rod combined mechanism, movement synchronization of the left aileron and the right aileron is achieved, constant-speed transmission of the left aileron and the right aileron is achieved, meanwhile, the requirements for machining precision and tools are lowered, and manufacturing cost is reduced.

A method and an apparatus for analyzing endocrine-disrupting substances in a vital sample, comprising on-line connecting a gel permeation chromatography (GPC) column and a gas chromatographmass spectrometer (GC / MS) via line change-over means, passing a vital sample solution containing endocrine-disrupting substances through the GPC column to remove high molecular weight components and water content, accumulating the remaining low molecular weight fractions in the line, and then introducing the fractions all at once into GC / MS to automatically analyze the fractions.

The invention provides a design method for a vertical tail docking structure. The design method is characterized in that an amount of single lug joints are respectively arranged at the root of a vertical tail at two sides of a course, a same amount of double lug joints are correspondingly arranged at a docking structure of the vertical tail, the diameters of holes in the single lug joints are equal to those of holes in the corresponding double lug joints, the axes of the holes are coaxial, bushes are pressed into docking through holes of the single lug joints and the double lug joints, and the single lug joints and the double lug joints are fixedly connected in a bolt connection mode. According to the invention, docking between the box section of a vertical tail composite material and fuselage lugs is realized in multi-point docking manner, so connection processing amount is reduced, connection workload is reduced, docking weight is lowered down, assembling workload is decreased, rapid docking between the vertical tail and a fuselage is realized, and connection of a few points enables the purpose of docking to be achieved and requirements on usage of an airplane to be met; thus, a development period is shortened, production cost is reduced, and maintainability and replaceability of a product are improved.

The invention discloses a device for quickly surveying road conditions of rural roads, comprising an acquisition monitoring computer, a network memory and a data acquisition center which are mutually connected by an exchanger, and also comprising a battery assembly, a photoelectric encoder, a satellite positioning device and a flash lamp module, wherein the data acquisition center is of an integrated structure and is used for acquiring the road landscape picture information and pavement flatness information of rural roads. The invention also discloses a vehicle for quickly surveying road conditions of rural roads, provided with the device. The device is small in overall volume, light in load, low in manufacturing cost, and capable of adapting to complicated road conditions of rural roads.

The invention relates to unmanned aerial vehicle simulated flight training equipment. The unmanned aerial vehicle simulated flight training equipment comprises AR glasses, a scene acquisition module and an action acquisition module arranged on the AR glasses, a virtual scene displaying module, a virtual scene overlaying module, a center control module, a simulated flight hand shank, a computer visual technique computing module and a communication module; the scene acquisition module and the action acquisition module are connected with the center control module respectively, the center controlmodule is in two-way connection with the computer visual technique computing module, the computer visual technique computing module is connected with the virtual scene overlaying module, the virtual overlaying module is connected with the virtual scene displaying module, and the simulated flight hand shank comprises a control board and intelligent equipment connected with the control board. The equipment provided by the invention overlays a simulated flight scene to the real environment and provides people with immersive simulated flight experience by combining control of the simulated flighthand shank, and improves the reflecting effect of simulated flight of an unmanned aerial vehicle or flight simulative training effect.

The invention discloses relay protection device and system, realizing plug-and-play, of a transformer station. The protection device comprises a line protector, a transformer protector, a bus connection protector and a bus separation protector relying on one another and associated with one another; required current and switching amount information are connected to the line protector, the transformer protector and the bus connection protector directly via secondary cables; opening / closing control is output directly via the secondary cables, and the protectors directly act on a switching mechanism of a bay level; the bus voltage collected by a voltage transformer is connected to the bus separator protector in the analog form; and the bus separator protector is directly connected to the line protector, the transformer protector and the bus connection protector via two optical cables in a point-to-point manner. On the premise that faults of the electric network can be overcome rapidly, the relay protection device system of the invention can further reduce the operation risk of the electrical network as well as the labor intensity of maintenance staff, and it is ensured that the electrical network operates safely, reliably and stably.

A suck-back valve having an open / close valve with a suck-back function is provided. The suck-back valve includes a suck-back chamber formed in a valve internal channel of the open / close valve, a piston shaft portion and an open / close pressuring member to apply pressure to a valve piece, bellows that accommodate the piston shaft portion inside and that are connected to the open / close pressuring member at one end and are supported by a casing at the other end, wherein a two-step operation is performed at the time of a closing operation of the valve piece, including a valve closing operation step in which the piston shaft portion moves to the fully closed position of the valve piece, and a suck-back operation step in which the piston shaft portion and the open / close pressuring member further move from the fully closed position of the valve piece to increase the volume of the suck-back chamber.

The invention relates to a three-dimensional metal energy dissipation damper. The three-dimensional metal energy dissipation damper comprises an upper connecting plate, a lower connecting plate, U-shaped steel, S-shaped steel, a lateral connecting support column and a central rectangular connecting column. Two flat and straight sections of the U-shaped steel are correspondingly connected with the upper connecting plate and the lower connecting plate to form a whole. The upper end of the central rectangular connecting column is fixedly connected with the upper connecting plate, and the lower end of the central rectangular connecting column is hanging. The outer side surface of a flat and straight section of one end of the S-shaped steel is fixedly connected with the outer side surface of the central rectangular connecting column. The other end of the S-shaped steel and the lateral connecting support column are integrated. The low end of the lateral connecting support column is fixedly connected with the lower connecting plate. The S-shaped steel is symmetrically arranged at the periphery of the central rectangular connecting column. According to the three-dimensional metal energy dissipation damper, the U-shaped steel and the S-shaped steel of special shapes are used as energy dissipation elements, when the upper ends and the lower ends of the U-shaped steel and the S-shaped steel are exerted by shear force and bending moment action, by adopting bending deformation and torsional deformation generated by the U-shaped steel and the S-shaped steel, large deformation is obtained within the limited height, a hysteretic curve is full, the energy dissipation capacity is high, steel fracture is avoided effectively, and the seismic performance of a building structure is improved effectively.

The invention discloses a laser head containing a moving atmosphere chamber and a method for laser additive nonferrous metal. The laser head containing the moving atmosphere chamber comprises a protective cover, a connecting surface is arranged at the top end of the protective cover, a laser head main body is fixedly connected to the protective cover in a sealed mode, and a first gas channel usedfor introducing inert gas into a molten pool is arranged on the laser head main body; and inert gas inlets which are formed in the outer wall surface of the protective cover are formed in the protective cover, a second gas channel communicating with the gas inlets is formed in the cover body of the protective cover, and an outlet nozzle of the second gas channel is located at the bottom edge of the protective cover. According to the method, the moving atmosphere chamber is used for forming a movable inert atmosphere in air or under an underwater environment to carry out additive manufacturingof the metal and alloy, in the moving atmosphere chamber, laser deposition adopts a layer-by-layer accumulation mode to complete the specified deposition shape; and a fixed vacuum chamber with a largesize does not need to be established, the equipment cost is saved, and the nonferrous metal with excellent performance can be additive manufactured under a specific process condition.

The invention discloses a combined type all-metal steel wire rope vibration isolator which is easy to disassemble, has various types of vibration isolation units with strong replaceability, variable rigidity and variable damping, reduces vibration quickly, has a simple structure and is convenient to install and maintain. The combined type steel wire rope vibration isolator mainly comprises a basic vibration isolating unit, an expandable vibration isolating unit and a buckle. The units are connected together through bolts. The vibration isolator has the characteristics of strong vibration isolation and reduction capacity in any direction, large damping, strong impact resistance capacity, good broadband vibration absorbing performance, obvious nonlinear characteristics, various combination modes and the like, is convenient to assemble and disassemble, convenient to package and easy to maintain and is suitable for mass production and single-piece character assembly. So the vibration isolator is widely applied in the fields of vibration reduction, vibration isolation and impact resistance of machinery and instruments under dynamic load.

The invention provides a device for detecting a steel tie rod or an inhaul cable and application. A rod section detection mechanism which can stretch and retract relative to a fixing frame is installed in the fixing frame. Sensors are evenly installed in the plane, in the same vertical axis direction as an outer fixing ring, of the inner wall of an inner fixing ring. A lug base detection mechanism used for detecting a lug base of the detected steel tie rod or inhaul cable is installed on the fixing frame. The device is used for detecting the application of the steel tie rod or the inhaul cable through a metal magnetic memory detecting method. The inner diameter of a detection cavity can be adjusted immediately according to the diameter changes of the detected steel tie rod or the inhaul cable, and the adaptability is good. A detection gap produced by reducing when the outer fixing ring is expanded can be filled in time, and therefore a reducing detection ring is a complete detection ring both before and after reducing; due to the fact that the sensors are evenly distributed, comprehensive detection can be achieved, and the detection accuracy is greatly improved. The rod section of the detected steel tie rod or inhaul cable is detected, and meanwhile the lug base of the detected steel tie rod or inhaul cable is comprehensively detected.

The invention discloses a web friction-type shape-memory alloy rod self-resetting steel frame beam-edge column joint comprising steel columns, steel beams, shape-memory alloy rods, L-shaped supports and friction energy dissipaters. The steel beams are located on one sides of the steel columns; the shape-memory alloy rods transversely penetrate through the steel columns; the L-shaped supports are located on the inner sides of flanges of the steel beams; and the friction energy dissipaters are located in the middles of webs of the steel beams and comprise channel steel, energy dissipation friction pieces and high-strength bolts, wherein the channel steel is connected with flanges of the steel columns and the webs of the steel beams, the energy dissipation friction pieces are arranged between the channel steel and the webs of the steel beams in a filling mode, and the high-strength bolts penetrate through the webs of the steel beams and enable the channel steel, the energy dissipation friction pieces and the webs of the steel beams to be connected together. Arranging convenience of a floor at the joint can be improved; the anchoring effect of the shape-memory alloy rods and the steel beam ends is strengthened while the local deformation resistant capability of the flanges of the steel beams is reinforced; and the replaceability of members is improved while the self-resetting performance and hysteretic energy dissipation of the joint are effectively improved.

The invention relates to an intelligent double-sided grinding head assembly of a vertical high-precision high-speed grinding machine. The intelligent double-sided grinding head assembly comprises a machine head sleeve, a main shaft rotating core shaft sleeve, a main shaft rotating core shaft, a V belt wheel core shaft fixing sleeve and a V belt wheel core shaft, wherein the V belt wheel core shaft is positioned on the periphery of the main shaft rotating core shaft; a square window is formed in the machine head sleeve; a screw rod nut seat which is fixedly connected with the outer wall of the main shaft rotating core shaft sleeve and penetrates through the square window is mounted at the square window; a screw rod nut and a longitudinal ball screw matched with the screw rod nut are arranged on the screw rod nut seat; and a lifting reducer and a servo motor are mounted at one end of the longitudinal ball screw. According to the intelligent double-sided grinding head assembly, a grinding head main shaft lifting driving component and a grinding head main shaft rotating driving component are mutually independent, the lifting driving component is oppositely positioned at the side part of a main shaft, and an externally arranged structure is adopted, so that the assembly, control and maintenance are more convenient, the changeability of parts is high, the entire machine cost and maintenance cost and are greatly reduced, and the service life is greatly prolonged.

The eddy-current brake experiment equipment for high-speed track traffic system includes base seat, rotary track, electromagnetic equipment, field power supply, vehicle power supply simulator, computer measurement and control device and driving device. When the rotary track is rotated at high speed, by means of action of field power supply the multipoint distributed measuring sensor can be used for detecting the action state of eddy-current brake and electromagnetic attraction so as to obtain the working state of eddy-current brake.

The invention discloses a suspension gap sensor for a medium-low-speed maglev train. The suspension gap sensor comprises a shell (1), a control circuit board (2) and a resonant circuit (32), wherein the shell (1) is provided with a coil circuit board (3) which is equipped with a printed circuit board coil (31), and the coil circuit board (3) is connected with the control circuit board (2). The suspension gap sensor has the advantages of good interference resistance, firmness, reliability, compact structure, high integration, excellent waterproof and dustproof capabilities, and rapidness and convenience for maintenance.

The invention discloses an automatic attaching machine for electronic product auxiliary materials. The automatic attaching machine comprises a conveying mechanism, a positioning and supporting mechanism, an attaching mechanism and a material supplying mechanism; the conveying mechanism is horizontally arranged on a rack; the positioning and supporting mechanism is arranged at an attaching stationin the conveying mechanism, when a fixture moves to the attaching station, the fixture is positioned by the positioning and supporting mechanism, and a product in the fixture penetrates through the fixture upwards to be jacked and supported and adsorbed and fixed downwards through the positioning and supporting mechanism; the material supplying mechanism is arranged on one side of the conveying mechanism and used for guiding out at least two auxiliary materials; and the attaching mechanism is arranged between the attaching station and the material supplying mechanism in a crossing mode and used for attaching the auxiliary materials to the product after the auxiliary materials guided out of the material supplying mechanism are adsorbed, fixed and moved to the attaching station. According tothe automatic attaching machine for the electronic product auxiliary materials, the functions of multi-product bearing, fixture positioning, product jacking and supporting and adsorbing and heating are achieved, the material supplying assembly achieves quick disassembling and replacing, the condition that a material belt is jammed and pulled to be broken is reduced, a multi-material automatic material taking and attaching function is achieved, the universality is high, and the part replaceability is high.

The invention discloses an anti-seismic toughness steel pipe concrete column and shape steel concrete beam frame and a construction method thereof. A frame structure is constructed on the basis of concrete and comprises a steel pipe concrete column, angle steel supports, connecting screw rods, a limiting component, anchor rods, a shape steel concrete beam, a beam end part overhanging pre-buried steel beam, pull rods and energy dissipation components. A plurality of butterfly spring groups are arranged in the middle of the beam end part overhanging pre-buried steel beam side by side, the pull rods are connected with beam column joints, the energy dissipation components are arranged on an upper flange and a lower flange of the beam end part overhanging pre-buried steel beam, the bottom of the column is placed in a groove of a concrete foundation, the lower ends of the anchor rods are anchored in the concrete foundation and penetrate through the angle steel supports and a limiting device,and the butterfly spring groups are installed at the top ends of the anchor rods on the upper portions of the angle steel supports. By means of the frame, a beam column can be kept elastic under thestrong earthquake action, the residual deformation of the structure under the earthquake action can be effectively reduced, and the replaceability of the external energy dissipation and self-reset components is realized.

The invention discloses a combined type high-power semiconductor laser side pumping source and a preparation method thereof. The invention aims to solve the technical problems of low finished product rate, low yield, inconvenience for assembly, disassembly and maintenance, shorter service life, and the like of a semiconductor laser pumping source in the prior art. The side pumping source comprises a semiconductor laser module group and a heat radiator, wherein the semiconductor laser module group comprises one or more semiconductor laser modules; and all semiconductor laser modules are fixedly arranged on the heat radiator in a movable linkage way or a welding way. In the invention, the semiconductor laser modules can be tested, aged and screened in advance and can be singly packaged, tested and aged; and different chips can be selected for combining and controlling, and the multi-wavelength wide spectrum output can be realized. If one module of the pumping source is abnormal in the use process, the module can be singly replaced so that the combined type high-power semiconductor laser side pumping source disclosed by the invention has the advantages of higher yield and longer service life.

The invention discloses a door body of a refrigeration plant. The door body comprises a frame, a door liner, a first face plate and a second face plate. The frame comprises a left stand column, a right stand column, an upper end cover and a lower end cover, the upper end cover is connected with the upper end of the left stand column and the upper end of the right stand column, the lower end cover is connected with the lower end of the left stand column and the lower end of the right stand column, and thermal insulation material space with the opened front side and the opened back side is defined by the left stand column, the right stand column, the upper end cover and the lower end cover. The door liner is arranged on the back surface of the frame so as to close the back side of the thermal insulation material space. The first face plate is arranged in the frame, the front surface of the first face plate is flush with the front surface of the frame so as to close the front side of the thermal insulation material space. The second face plate is detachably arranged on the first face plate and connected with the front surface of the first face plate. According to the door body of the refrigeration plant in the embodiment, the convertibility of the face plates of the door body of the refrigeration plant is achieved, the requirements of different users for appearance changes of the door body of the refrigeration plant at different stages can be met, and the maintaining cost of the door body is reduced.

The invention discloses a horizontal-array high-power semiconductor laser capable of replacing a chip, which comprises a refrigerator. A liquid passage is arranged in the refrigerator; the upper end face of the refrigerator is a horizontal mounting surface; a plurality of laser chip mounting components, which are parallel to and independent from one another, are arranged on the horizontal mounting surface; each laser chip mounting component consists of the chip, and a lower insulating strip, a positive heat sink, an upper insulating strip, a chip cathode connection piece and an electrode connection piece which are sequentially laminated and fixed from bottom to top; the anode surfaces of the chips are connected with the positive heat sinks, while cathode surfaces are connected with the electrode connection pieces; and fixed plates are arranged at the upper ends of the plurality of laser chip mounting components. In the horizontal-array high-power semiconductor laser capable of replacing the chip, the plurality of independent laser chips (bars) are taken as cores and are arranged into a laser chip mounting component array in a horizontal direction, and the plurality of laser chip mounting components share the refrigerator, so thermal resistance can be reduced, radiation capacity can be improved, the optical output power of the laser is improved, and the quality of laser beams can be greatly improved under the condition of adding an alignment system.