1275results about How to "Simple structure" patented technology

The invention discloses an emergency parachuting device and method for a multiple-rotor unmanned aerial vehicle. The device comprises a measurement and control unit, an unlocking steering engine, a parachute-throwing spring, a latch, a parachute and a magnetic latching relay, wherein the measurement and control unit, the unlocking steering engine, the parachute-throwing spring, the latch, the parachute and the magnetic latching relay are installed in a parachute bin. The measurement and control unit comprises a microcontroller and an inertia movement measurement unit, wherein the microcontroller is electrically connected with the unlocking steering engine and the magnetic latching relay; the unlocking steering engine is connected with the latch through a rocker arm, and the magnetic latching relay is used for connecting or disconnecting a power supply of a rotor motor; the parachute bin is fixed to the multiple-rotor unmanned aerial vehicle, one end of the parachute-throwing spring is fixed to the bottom of the parachute bin, and the parachute is arranged at the other end of the parachute-throwing spring. The method includes the following steps that the current instant height and acceleration of the unmanned aerial vehicle are acquired, the dropping rate of the unmanned aerial vehicle is worked out, whether the unmanned aerial vehicle flies under a dangerous dropping state or not is judged, and if yes, the power supply of the rotor motor is disconnected, and the parachute is thrown out to make the unmanned aerial vehicle safely land. The emergency parachuting device has the advantages of being simple in structure, low in cost, light in weight, high in reaction speed and the like.

A quick pipe connector includes a tubular housing defining an axis, and a connecting unit. The connecting unit includes a grip ring adapted to grip a water pipe, and a locking ring abutting against a first housing shoulder surface of the tubular housing and positioning the grip ring to abut against a second housing shoulder surface of the tubular housing. The locking ring has a slit that extends parallel to the axis. An inner ring surface of the locking ring includes an annular inner shoulder part transverse to the axis. A release ring is formed with a stop surface confronting the annular inner shoulder part, and is movable along the axis relative to the locking ring to a release position, where the stop surface is moved away from the annular inner shoulder part and where the release ring forces the grip ring to release gripping action on the water pipe.

The invention relates to a device for testing ecological slope protection of ecologic rock and soil mechanics under simulated rainfall condition, which is mainly used for studying scouring (or erosion) characteristics test of rock and soil slope by artificial rainfall and belongs to the field of geotechnical engineering and environmental engineering. The test device comprises an automatic variable slope test rack, a test soil bin and a rainfall simulator with adjustable rain intensity, wherein a rotary support is composed of a guide rail, a crank, a crank brake, an upper shaft and a device for preventing backward sliding; a fixed bearing support is composed of a lower shaft, a bearing seat, a bending guide groove, a capstan and a lower shaft caging device; the rainfall simulator with adjustable rain intensity is disposed on the variable slope test race through a support and includes a rainfall simulator, a pressure sensor, a vibrator, a barometer, a relief valve, etc. The inventive test device has the advantages of simple structure, adjustable rain intensity, uniform rainfall, automatic online collection of air pressure, water pressure and rainfall amount of the rainfall simulator and reduced time and labor force for loading the test soil bin.

The present invention provides a blade driving mechanism for a table saw, wherein the table saw comprises a main frame and a saw blade mounted to and driven by the blade driving mechanism, and the blade driving mechanism comprises an electrical motor mounted to the main frame, with the motor being capable of sliding with respect to the main frame; a belt driving system for transferring the rotation of an output shaft of the motor to the saw blade; a center-distance setting means connected between the motor and the saw blade, for adjustably setting the center-to-center distance between the motor and the saw blade; and a saw-blade height adjusting device being operable to adjust the height of the of the saw blade. saw-blade height adjusting device comprises a transverse shaft being capable of rotating about a horizontal axis; a handwheel fixed to the outer end of the transverse shaft for driving the transverse shaft to rotate; a vertical screw shaft coupled with the transverse shaft by a set of bevel gears and is driven by the transverse shaft to rotate about a vertical axis; a nut mounted on and engaged with the screw shaft and being capable of moving along the screw shaft by the rotation of the screw shaft; and a guide connected to the nut and supporting the saw blade.

The invention discloses an interventional therapy auxiliary mechanical arm which comprises a stand, a position regulating mechanism, a gesture regulating mechanism, a working end and a control system, wherein the position regulating mechanism is arranged on the stand and used for regulating a three-dimensional space position of the working end; the gesture regulating mechanism is arranged at the tail end of the position regulating mechanism, the working end is arranged on the gesture regulating mechanism, the gesture regulating mechanism is used for regulating a space angle of the working end; and the control system is used for controlling the position regulating mechanism and the gesture regulating mechanism to work. According to the interventional therapy auxiliary mechanical arm, the three-dimensional space position of the working end is regulated by adopting the position regulating mechanism, the gesture regulating mechanism is used for regulating the space angle of the working to ensure that the working end is regulated to a needle feeding path position so as to conveniently realize that a needle feeding path is indicated or the needle feeding operation is completed. The interventional therapy auxiliary mechanical arm has the advantages of simple structure, lower cost and convenience for operation.

The invention discloses a high-voltage line inspection robot which comprises an integral supporting frame. The integral supporting frame is provided with a main controller and a power supply. The upper end surface of the integral supporting frame is provided with an image acquiring mechanism and two sliding mechanisms. The upper end of each sliding mechanism is provided with a driving mechanism, and the lower end is provided with a clamping mechanism. A high-voltage line channel is formed between the clamping mechanism and the driving mechanism. When bestriding of an obstacle is required, the driving mechanism and the clamping mechanism can be driven to rotate through the sliding mechanism, thereby reducing control difficulty in bestriding the obstacle. Through the clamping mechanism and the driving mechanism, a clamping force of the high-voltage line inspection robot to a high-voltage power transmission line can be effectively controlled, and furthermore the high-voltage line inspection robot can climb on a certain slope. Furthermore when obstacle bestriding is required, one end, which is separated from the high-voltage power transmission line, of the driving wheel of the device may reduce by a certain height, and the driving wheel can be re-attached with the high-voltage power transmission line through an elevating mechanism.

The invention discloses three-dimensionalgraphene composite aerogel. High-molecular material nano fiber with a biomass polysaccharide structure is compounded with oxidized graphene through a surface electrostatic-force effect, and then the composite aerogelis prepared by utilizing hydrazine hydrate reduction and a method for high-temperature pyrolysis in an inert atmosphere. The invention further discloses a preparation method of the three-dimensionalgraphene composite aerogel. The method for preparing the three-dimensionalgraphene composite aerogel is simple, easy to operate, large in specific surface area, uniform in pore size distribution and good in electrical conductivity, and the chemical reactivity is improved.

The invention provides a compression braking device of a four-stroke cycle internal combustion engine. A control valve mechanism (13) and a clearance compensation mechanism (23) with the compensated clearance being the lift range of a braking projection are installed in parallel on one end of an amounting elephant feet of a rocker (3); a clearance compensation mechanism (11) with the compensated clearance being the lift range of a valve clearance is arranged in the midpoint of the connecting positions of an exhaust valve bridge (5) and two exhaust valves (6); the elephant feet (24) are coaxially connected below the lower end of the previous clearance compensation mechanism (23); the upper end of the next clearance compensation mechanism (11) is always in contact with the lower ends of the elephant feet; and the spring force of the clearance compensation mechanism is smaller than braking oil pressure and larger than dead weight of the elephant feet. Compared with the prior art, the compression braking device improves the reliability and the balance of a valve actuating mechanism, simplifies the structure, reduces the processing difficulty of the rocker, improves the rigidity of the rocker, and improves the accuracy and operability of the adjustment of the valve clearance. In addition, when the engine compresses and brakes, the two exhaust valves can be opened at the same time, thereby improving the braking effect of the engine.

The invention discloses a photonic crystal fiber and surface plasma resonance biosensor filled with gold threads, and belongs to the technical field of fiber sensing. The biosensor includes a fiber core and a cladding. The cladding has a refractive index that is lower than that of the fiber core. At places of air holes in the inner layer of the photonic crystal fiber, a to-be-tested bio-liquid sample is filled, and two air holes of the cladding are filled with the gold threads. An imagery value of fiber core effective refractive index of the biosensor under different wavelengths are obtained, and further transmission loss is calculated, and the wavelength where a surface plasma resonance peak is at and sensitivity of the sensor are obtained through a loss spectra. Different refractive indexes of the to-be-tested bio-liquid samples cause different transmission of wavelengths where the loss spectra resonance peaks. According to the invention, the biosensor combines surface plasma resonance technology and photonic crystal fiber, obtains a sensitivity as high as 1700nm / RIU. The refractive index of the to-be-tested liquid sample has a wide range between 1.37-1.44%. The biosensor has simple structure, is easy to operate, and has wide application potential in the field of sensing.

The invention relates to a method and equipment for the oil-water separation and wastewater purification and treatment of kitchen wastes. The method and the equipment can carry out field collection or wastewater purification and standarization treatment on the kitchen wastes swill or domestic wastewater in the fields of a restaurant, a hotel, a department, a house, milk plant, a food products factory, a brewery, a hospital, a beverage plant, a slaughterhouse, a chemical plant and the like, separates the swill into drainage oil and kitchen wastewater, continuously carries out fast and continuous purification treatment on the domestic wastewater anytime and anywhere and ensures that the quality of purified water achieves the nationally specified (GB18918-2002) emission standard of a town sewage processing plant. The heating and temperature-regulating type wastewater purification treating equipment disclosed by the invention has the advantages of small occupied area, high wastewater purification starderization speed, low wastewater treating equipment investment, low wastewater treatment cost, and the like. The method and the equipment which are disclosed by the invention have the advantages of good industrial practicability, novelty and creativity.

There is provided an electronic image pickup device with a hand-shake compensation function capable of reducing drive amount necessary for shake compensation and achieving downsizing without increasing a size of a piezoelectric element or voltage to be applied. A lens L2 is attached to an output-side surface of a prism P1 for bending an optical axis, and the prism P1 and the lens L2 are integrated together. Upon occurrence of a hand-shake vibration, as the prism P1 is rotationally driven by a drive member 17, the lens L2 is also translated in a direction approximately perpendicular to the optical axis. By the moves of both prism P1 and lens L2, hand-shake compensation can be achieved with a small drive amount. Thus, the drive member 17 can be made smaller-size and compact, and the electronic image pickup device with a hand-shake compensation function can be reduced in size.

An optical pick-up device comprising at least one micromirror array lens. The micromirror array lens enables focusing, tracking, and / or tilt compensation in the optical pick-up device without macroscopic motions. The micromirror array lens provides the device with a simple structure, which can reduce the size, weight, and cost of the recording / reproducing system. The device is also durable for vibration. Optical pick-up devices using an array of micromirror array lenses can increase the recording / reading speed without macroscopic motions. The recording / reading speed can be increased by adding more micromirror array lenses to the lens array. The present invention can also be used to record / read information on / from a multi-layered optical disc.

The invention provides a picking claw used for automatically picking fruits and belongs to the technical field of agricultural intelligent equipment. The picking claw comprises a fruit adsorber used for adsorbing target fruits, a fruit clamping device which is connected with the fruit adsorber in a matched mode and used for clamping the target fruits, and a fruit twisting device which is connected with the fruit clamping device, matched with the fruit adsorber and the fruit clamming device and used for twisting the target fruits, so that the target fruits are separated from plants. By means of a twisting fruit separating method of the picking claw, the problems that the postures of the fruit stems of fasciation short fruit stem type fruits which are represented by tomatoes are diverse and the fruits can not be accurately positioned or be accurately cut and separated are solved. Meanwhile, the picking claw is simple in structure, low in manufacturing cost and easy to control.

The invention discloses an electric vehicle charging device. The device comprises a charging pile body and a charging gun head which penetrates into the charging pile body and is connected with the charging pile body in a matched mode. A bottom plate is fixedly arranged at the bottom of the charging pile body, a countersunk groove with a downward opening is formed in the bottom of the bottom plate, and a counterweight iron block is detachably arranged in the countersunk groove; a clamping groove with a forward opening is formed in the charging pile body, and a penetrating groove communicated with the clamping groove is formed in the rear end of the clamping groove; a charging cavity communicated with the penetrating groove is formed in the rear end of the penetrating groove; control grooves communicated with the penetration groove are symmetrically formed in the positions, on the left side and the right side of the charging cavity, of the charging pile body; fastening devices used for fastening the charging cavity are symmetrically arranged on the positions, on the left side and the right side of the charging cavity, in the charging pile body. The device is simple in overall structure, power supply is safe and stable, overall operation is safe and reliable, electric shock accidents in existing life are effectively reduced, and the device is suitable for application and popularization.

The invention discloses a physiological information monitoring system comprising a physiological information collector, a remote data terminal and a hospital monitoring center, wherein the physiological information collector is used for collecting a physiological signal, encrypting the collected physiological signal data and transmitting the physiological signal data to the remote data terminal, the remote data terminal is used for adding an identification code on the received physiological signal data and transmitting the physiological signal data to the hospital monitoring center, and the hospital monitoring center is used for decrypting, storing and analyzing the physiological signal data and sending a diagnostic report to the remote data terminal. The invention further provides a monitoring method. The physiological information monitoring system and the physiological information monitoring method disclosed by the invention are used for solving the problem of low privacy safety of subjects and low utilization rate of monitoring information, the collected physiological signal data are transmitted after being encrypted, thereby preventing the physiological information of the subjects from being leaked by illegal monitoring in the transmission process; and the hospital monitoring center analyzes the received data and provides the diagnostic report to provide illness condition caution to the subjects in time.

The invention discloses a laser-scattering-based air quality detecting system. The laser-scattering-based air quality detecting system is characterized by comprising a laser transmitting system, a laser receiving system and a sample tank, wherein the laser transmitting system is provided with a laser source and a first photoelectric receiver; the laser emitted by the laser source sequentially passes through a polarizer, an aperture diaphragm, a first condensing lens, a first light splitting mirror and a second condensing lens and then irradiates the sample tank; the other path of light split by the first light splitting mirror irradiates the first photoelectric receiver; the laser receiving system is provided with a third condensing lens and a second photoelectric receiver. The laser-scattering-based air quality detecting system has the remarkable effects of being simple in structure and convenient to mount; the air quality is detected by the laser scattering manner; the light source cost is reduced; the plurality of photoelectric receivers are arranged, so that the system can be effectively corrected; the problem of unstable light source intensity can be solved; the detection accuracy is ensured; the detection requirement of the air quality can be met.

The invention belongs to the technical field of metal plastic processing, and particularly provides a mold / non-mold combined pulling process and a device. The device is characterized in that a pulling mold is directly installed between a heater and a cooling machine of a non-mold pulling device, the waste heat of non-mold pulling is utilized fully, so that the mold puling and sizing with temperature can be completed before the non-mold pulling is molded, and the surface quality is improved. In the invention, the pulling force is reduced greatly, the intermediate heat treatment or heating process of the traditional process is saved, the mold consumption is reduced, the energy resource is saved, the production cost is lowered, a high-quality metal product can be pulled and molded in short flow range, and the advantages that the deformation amount of the non-mold pulling is large, the precise of the mold pulling size is high and the like can be realized.

The invention relates to a ground water seepage coefficient testing device, belongs to the field of hydraulic engineering, and the IPC(international patent classification) number is E02B 1 / 00. The testing device provided by the invention comprises a operation control system, a water level sensor, a flow sensor, an on-line monitoring control device, a data acquisition system and a water pump for pumping water, wherein the water pump for pumping water is positioned under the water level sensor, and the flow sensor is connected with the water pump for pumping water through a system connection valve. In the testing process, the water pump for pumping water is started, and the groundwater on-line water level sensor and a water pump effluent water flow sensor 7 are started at the same time, then the data acquisition system automatically records water level and water flow in real time so as to obtain pumped water amount of the water pump and corresponding data on groundwater level drawdown, thereby calculating seepage coefficient and other hydrogeological parameters of a corresponding aquifer. The device disclosed by the invention is suitable for various ground water seepage coefficient tests, can accurately reflect the geohydrological conditions of the aquifer, thus improving the equipment level in the field of groundwater environment in China.

The invention relates to a method of establishing a crania-cerebral explosion impact injury animal model in the medical research field. The method of establishing the crania-cerebral explosion impact injury animal model is characterized in that a big rat (7) is fixed on a shield plate (2) with a window hole (3), a back side of a head of the big rat (7) is aligned at the shield plate window hole (3), only the back side of the head of the rat (7) can be suffered hurts of shock waves; the shield plate (2) is fixed, a pressure detector (9) and an explosion source (8) are arranged on the same horizontal level of the shield plate window hole (3), a distance between the explosion source (8) and the shield plate window hole (3) is equal with a distance between the explosion source (8) and the pressure detector (9); injuries are caused by initiation of an explosion, shock wave pressure data and head injury conditions of the big rat are recorded, the crania-cerebral explosion impact injury animal model is established. Defects that a vulnerated mechanism and a traumatic condition are difficult to be analyzed by a single factor in the existing technology are overcome. The method of establishing the crania-cerebral explosion impact injury animal model has the advantages that a structure of an experimental device is simple, bearing shock wave size conditions of the animal head can be reflected by data of the detector, and the injuries are caused by the head exposed purely.

The invention provides an overwater emergency rescue device of an unmanned aerial vehicle. The device includes a putting control mechanism, a putting bracket, dehooking devices, life buoys, ropes andan LED searchlight; the putting control mechanism comprises a remote control receiver, a steering engine, a camera and a wireless image sending system; the remote control receiver and the camera are arranged on the putting bracket, the camera is linked with the wireless image sending system, and the remote control receiver is linked with the input end of the steering engine and controls the dehooking devices to be opened through the steering engine to put down the life buoys; the putting bracket is installed on the bottom of the unmanned aerial vehicle and consists of a bracket cross girder and a bracket vertical girder, the dehooking devices are arranged on the bracket cross girder and connected with the life buoys through the ropes, and the life buoys sleeve the bracket vertical girder.By loading the device on the unmanned aerial vehicle, fast arrival to a rescue scene can be achieved, rescue workers can accurately put down the life buoys according to images photographed by the camera, the accuracy of putting the life buoys is high, and timely rescue is achieved.

The invention discloses online chip cleaning and drying equipment which comprises an automatic feeding mechanism, a spray type cleaning device, vacuum drying equipment and a positioning table. The vacuum drying equipment comprises a frame; a pair of drying conveying belts which are connected with a cleaning machine, support the two sides of a chip and horizontally move are arranged in the middle of the frame; a push plate which controls and supports the chip to move up and down through mechanical power is arranged on the frame below the part between the drying conveying belts; a first vacuum chamber provided with a vacuum sucker and an infrared heating tube is arranged right over the push plate; a second vacuum chamber which is movably connected with the first vacuum chamber through a connecting rod mechanism and provided with a sealing structure matched with the lower end of the first vacuum chamber is arranged on one side of the first vacuum chamber; and a vacuum adsorption hole corresponding to the chip is formed on one side of the second vacuum chamber corresponding to the first vacuum chamber and provided with the sealing structure. The equipment is simple in structure and skillful in design, automatically picks up chips, performs spray type cleaning and vacuum drying on the chip, dries the chip through thermal power in the vacuum environment, and prevents the chips from being damaged.

The invention belongs to the technical field of fast food boxes and relates to an ultrathin hermetic anti-theft fast food box. The ultrathin hermetic anti-theft fast food box comprises a box body and a box cover. A first buckling portion is annularly arranged at the lower edge of the box cover; a second buckling portion is annularly arranged at the upper edge of the box body, the first buckling portion and the second buckling portion can be hermetically buckled; at least one part of the second buckling portion of the box body is an easily broken part which is structured such that fragments of the buckling portion are integrally formed at the notch of the box body on the outer wall through easily broken thin sheets which are arranged in a spaced manner to form the easily broken part, and more than one strip-like hole is formed between the box body and the easily broken part of the box body through the thin sheets. The fast food box has the advantages that the fast food box is simple in structure; whether the box is opened or not can be judged by judging whether the easily broken part is matched or not to remind the diner to judge whether foods in the fast food box are short or are polluted or not; as the strip-holes and openings are formed, the anti-theft function is increased on the premise of not increasing the production cost, or even reducing the production cost, the product grade is high, and the fast food box is suitable for being popularized and applied in fast food industry.

In a stratification operation, O2 is injected from an oxygen injector during valve opening of an intake valve. Therefore, the injected O2 flows into a combustion chamber immediately after the injection, and forms a layer having a constant spread in the combustion chamber. Meanwhile, the working gas in the combustion chamber forms such a layer as to cover the O2 layer on a wall surface of the combustion chamber in conjunction with formation of the O2 layer. In other words, in the combustion chamber, an inner layer with a high O2 concentration and an outer layer with a high working gas concentration are respectively formed.

The invention relates to a cylinder liner combined machining machine tool. The machine tool comprises a machine tool body, wherein a motor device, an apron driving device, a tailstock driving device and three sets of guide rails are installed on the machine tool body, an upper apron is installed on the upper set of guide rails, an external turning tool is installed on the upper apron, a down-cutting device is installed on the lower set of guide rails, a facing tool set is installed on the down-cutting device, a headstock and a double-station complex programming tailstock are installed on the main guide rails in the middle, a headstock spindle is driven by the motor device to rotate, a boring tool and an expansion combination device are installed at the front end of the headstock spindle, a material pushing device is installed on the top of the headstock, and the double-station complex programming tailstock is a tailstock device which is provided with a telescopic hydraulic chuck mechanism and a hydraulic center mechanism at the same time. According to the cylinder liner combined machining machine tool, the machining efficiency and the accuracy of cylinder liners can be greatly improved; a production unit can formed when an automatic feeding and discharging device is further arranged so that automatic production can be achieved, the production cost can be greatly reduced, the productivity of enterprises can be improved, and the cylinder liner combined machining machine tool is particularly applicable to mass production of cylinder liners.