309results about How to "Simple installation" patented technology

The invention discloses an ultra-hydrophobic conductive macromolecular nanometer fiber, which is characterized by the following: the fiber possesses coaxial nanometer fiber of core case structure; the core is 80-300 nanometer diameter polymerization fiber, whose coaxial case is 80-200 nanometer conductive macromolecular layer of 20-40 nanometer conductive macromolecular grain; the polymerization is polyacrylonitile, ethane polyepoxide, polythene pyrrolidone, polymethyl methacrylate, polyvinyl alcohol, cellulose acetate, polycarbonate; the conductive macromolecular is polyaniline, polythiofuran or polypyrrole. The invention utilizes electrostatic spinning and original position chemical oxidized polymeric method, which possesses reversible conversion property of ultra-hydrophobic and ultra-hydrophilic pH value respond in the intelligent microfluid switch, controllable separating technology, electromagnetic screen and sensor.

Apparatus and systems using merchandise activity sensors for increasing the awareness of interactivity with merchandise on retail store displays (shelves, peg hooks, merchandise pushers, and other Point of Purchase displays) in order to facilitate more effective customer service, reduce theft and to provide additional analysis data related to merchandise / shopper interaction.

An adjustable hanger bracket and bracket assembly for tubular members. The assembly includes a longitudinally extendable span member arranged to be fastened to facing sides of laterally spaced supporting members, such as horizontally disposed joists or vertically positioned wall studs. Longitudinally adjustable brackets slidably engage the external surface of the slidably adjustable span member to support tubing or piping sections which may be positioned between adjacent studs or joists.

The invention discloses a Micro-LED mass transfer device. The mass transfer device comprises a die bonding welding arm, a flip chip bonding arm, an external physical field device and an operating table, wherein the die bonding welding arm comprises a die bonding guide rail, a die bonding bracket, a die bonding transfer head and a die bonding elastic telescopic material; and the flip chip welding arm comprises a flip chip rotary motor, a flip chip guide rail, a flip chip bracket, a flip chip transferring head and a flip chip elastic telescopic material. Correspondingly, the invention further provides a Micro-LED mass transfer method. By virtue of the Micro-LED mass transfer device and transfer method provided by the invention, the spacing of the target substrate Micro-LED is only determinedby the transfer head template spacing is overcome in an innovative mode, the rigid structure between the original transfer heads is replaced by the elastic telescopic materials, and the longitudinaldeformation of the elastic telescopic material is changed through the external physical field, so that complete controllable mass transfer of the distance of the electronic elements is realized.

The invention relates to an uninterrupted power test residual current protective device which comprises a detection device and a terminal strip fixed on the wall of a distribution box, wherein the detection device comprises a residual current operated protective device fixed in a test box, an intermediate relay and a monitoring lamp, wherein the detection device is connected with a tested residual current operated protective device and an alternating current contactor which are arranged in the distribution box, and a casing of the test box is connected with a grounding box through a connecting wire. The device has simple structure, and an alternating current contact coil can not lose power during the trial jump.

A gaseous fuel and air mixing venturi device adapted for retrofitting in a carburetor has a venturi body with a passage for air flow through the body, the passage having a throat of reduced cross-sectional area. The body has an axial fuel inlet port at a first end and fuel supply ports connected to the fuel inlet port and spaced around the throat for supplying fuel to the air flow passage for mixing with air flowing through the passage. The first end of the venturi body has mating seating formations for seating against corresponding seating surfaces of a gaseous fuel carburetor after removal of a spring mass air / fuel mixing section, and a fastener mechanism for releasably securing the venturi body in the carburetor, with the fuel supply port of the carburetor connected to the fuel inlet port of the venturi body.

The invention discloses a super-resolution microscopy method based on dual-mode competition stimulation and a super-resolution microscopy device based on dual-mode competition stimulation. The method comprises the following steps of: irradiating the surface of a fluorescent sample by use of two types of modulated light beams emitted from a same light source, wherein one light beam is focused to form high-energy hollow light spot on the sample after passing through a spatial light modulator, so as to generate a saturation effect, and the other light beam is modulated into pulsed light by an acousto-optic modulator so as to be focused to form low-energy solid light spots on the sample; and collecting signal lights emitted from each scanning point of the sample, and extracting the signal lights which have same frequency with the pulsed light, wherein the extracted signal lights serve as effective signal lights for acquiring super-resolution images. The device is simple, and convenient to operate; by use of the competitive mechanism of the solid light spots and the hollow light spots during a process of stimulating sample fluorescent, the resolution ratio for saturated fluorescence to stimulate an ultra-diffraction limit is realized by only using one laser light source.

The invention discloses an adjustment and installation device for an optical antenna of a semiconductor laser range instrument. A parallel light tube is arranged behind the adjusted optical antenna; an image screen is arranged on a focus surface of the parallel light tube; a rear end area array camera is arranged behind the image screen; the rear end area array camera is connected with a computer; a reading microscope is arranged before the adjusted optical antenna; the reading microscope is connected with a front end area array CCD camera which is connected with the computer; the adjusted optical antenna comprises a transmitting antenna and a receiving antenna; and a semiconductor laser is arranged on the transmitting antenna and connected with a driving power. The adjustment and installing device can achieve integrated and visualized accurate optical antenna adjustment and installing with laser shot, viewing filed receiving and optical axle parallelity, has the advantages of simple structure, high optical antenna installation and adjustment precision and efficiency, no influence by subjective factors, and the like, and can be widely applied to the adjustment and the installation of the optical antenna of the semiconductor laser range instrument.

Provided are a testing device and a testing method for bonding performance of fiber and mortar materials, wherein the device comprises a testing specimen forming mold (1) and a tensile testing fixture (2), the testing specimen forming mold (1) includes a left mold (3), a right mold (4) and plastic inserts (5), an '8' shaped cavity is formed by splicing the left mold (3) with the right mold (4), slots (6) for inserting one side of the plastic inserts (5) are arranged at the left mold (3), the right mold (4) and a middle position, the plastic inserts (5) are provided with a plurality of through holes, side transverse slits (7) are arrange at one side of the left mold (3) and one side of the right mold (4); the tensile testing fixture (2) is composed of an inner arc-shaped chuck (8) matching with the shape of an end part of a testing specimen (11), a spheric joint (9) and a connecting bolt (10). The device and the method of the invention are simple and practicable, and have high testing precision.

The embodiment of the invention discloses a preparation method and device of high-purity lithium sulfide, which have the advantages that reaction temperature are low, production period is short, and used solvent is high in stability and non-toxic. The method comprises the steps of: mixing lithium hydroxide and N-methyl pyrrolidone to obtain a mixed solution; heating the mixed solution under the protection of inert gas to 130 to 140 DEG C; introducing hydrogen sulfide gas into the mixed solution to react for 2 to 4 hours to obtain lithium hydrogen sulfide serous fluid; removing hydrogen sulfide from the lithium hydrogen sulfide to obtain lithium sulfide serous fluid; removing excessive hydrogen sulfide gas; and removing impurities in the lithium sulfide serous fluid, and drying to obtain the high-purity lithium sulfide. The device comprises a reaction device, a stirring device, a water distributor, a condensation device, a first anti-suck-back device, a second anti-suck-back device, a vacuum device, a tail gas absorption device and a buffer device.

The invention provides a lens wavefront aberration measurement method. A group of horizontal and vertical sine phase shifting fringe patterns 2 is generated by an LCD (Liquid Crystal Display) 1; a CCD (Charge Coupled Device) camera 8 is composed of a focal plane 4, a camera lens 5 and an external pinhole 6, and the LCD 1, the camera 8 and a to-be-measured lens 7 are collimated and calibrated, so as to obtain spatial coordinates of the LCD 1, the camera 8 and the to-be-measured lens 7; the phase shifting fringe patterns 2 which are deflected by the to-be-measured lens 7 and are displayed by the LCD 1 are shot, and then a group of horizontal and vertical phase shifting fringe patterns 2 are shot as a reference after the to-be-measured lens 7 is removed; finally, the shot phase shifting fringe patterns 2 are combined with a computer 3 for phase unwrapping, a slope is calculated, a wavefront is restored, and wavefront aberration is analyzed according to the wavefront of a restored transmission optical system.

The invention provides a water jet and laser etching machine and method for ceramics. The machine and the method are characterized in that through a hand crank and a linear guide rail, the optimal position of a nozzle relative to the surface of ceramic is determined, a laser scanning path is reasonably modified, and the ceramic is machined jointly with laser and water jet. The method includes the steps of 1, determining the size and machining position of the ceramic; 2, determining process parameters of a laser system and process parameters of a water jet system ; 3, determining a laser scanning speed and a scanning path; and 4, performing etching with the laser and the water jet according to the scanning path. The machine and the method have the advantages that required grooves can be made in the surface of the ceramic by etching and the surface of each groove has no evident defects such as slag and a recast layer.

The invention relates to a stud welding intensity detection device and a stud welding intensity detection method of the detection device; the stud welding intensity detection device comprises an auxiliary sleeve device and a set-value torque wrench; the auxiliary sleeve device is used to sleeve screws or similar components; the set-value torque wrench is connected with the auxiliary sleeve device and provided with a torque set value based on the working condition; the operator twists the wrench and determines the stud welding intensity based on the phenomenon; the invention is improved based on the existing conditions and invents a non-destructive stud welding strength detection device which is simple and easy to use and can reduce unnecessary waste caused by quality testing.

The invention discloses a platform for disassembling and assembling a disc hob used in the field of tunnel engineering, which comprises two parts, namely a hob end cover disassembly and assembly device and a bearing outer ring disassembly and assembly device. The bottom end of a hydraulic cylinder of the hob end cover disassembly and assembly device is hinged with a hydraulic supporting seat fixed on a base of the platform, a ratchet rod is hinged with a piston rod of the hydraulic cylinder, the other end of the ratchet rod is hinged to a cutter shaft of the hob placed in a positioning hole, a pawl is hinged to one pin shaft at the middle part of the ratchet rod, the pawl is engaged with teeth of a ratchet, and four positioning columns of the ratchet are placed in four holes of an end cover. The bearing outer ring disassembly and assembly device is characterized in that the hydraulic cylinder is fixed in the middle of a portal crossbeam, the lower end of the hydraulic cylinder is provided with a pressure plate, and a positioning ring is welded to the base of the platform and is concentric with the hydraulic cylinder. A bearing pressing-out plate and a bearing pressing-in barrel are used during pressing out and pressing in respectively. The platform device is simple and can be convenient to implement the disassembly and assembly of the disc hob.

The invention discloses a device for inhibiting laser speckles and a laser projection device. The device for inhibiting laser speckles comprises at least two sets of module assemblies; each module assembly comprises a semiconductor laser and a refrigeration device, wherein temperature outputted by the output end of the refrigeration device acts on the semiconductor laser; and temperature outputted by the refrigeration devices in each module assembly is different, correspondingly, temperature difference exits between the semiconductor lasers in each module assembly. According to the device for inhibiting laser speckles provided by the invention, a plurality of sets of module assemblies are adopted, the temperature of the semiconductor lasers in each module assembly is different, so that the wavelengths of laser of the same color outputted by the semiconductor lasers in each module assembly are different and have a certain difference, and therefore, the diversity of laser wavelength can be realized; and the device is simple, is easy to implement, has no other side effects, and can inhibit a laser speckle effect from the perspective of simplicity and easiness in implementation.

The invention relates to a winding device for a shimming superconducting coil, which comprises an upper cover plate (1), a lower cover plate (2), a central column (3), a spring (4), a pressure needle (5), a fixing clamp (6), a superconducting wire (8), a screw (9) and a ring (10). The upper cover plate (1) and the lower cover plate (2) are connected through the central column (3), and a clearancewith the size identical to the diameter of the wire is left between rectangular teeth of the upper cover plate (1) and the lower cover plate (2). The superconducting wire (8) pressed by the top end of the pressure needle (5) with the spring mechanism (4) slides along the circumference on a horizontal plane to be wound the superconducting coil.

The invention discloses a hanging-basket-type high-rise building firefighting fire extinguishing system, comprising mobile firefighting equipment and a high-rise building fixing device which is used by combining with the mobile firefighting equipment, wherein the mobile firefighting equipment comprises a firefighting vehicle, the firefighting vehicle is loaded with a console, a firefighting high-ressure water pump, a cable and a steel wire rope, a firefighting high-pressure water hose and a steel wire rope, a hanging basket and a generator set; and the high-rise building fixing device comprises a firefighting control room, a rope distributing machine controlled by the firefighting control room and a rescue steel wire rope arranged in the rope distributing machine, and the rescue steel wire rope can bear the total weight of the hanging basket, the cable, the steel wire rope fixed on the hanging basket, the firefighting high-pressure water hose and the steel wire rope as well as fire extinguishing medium. By adopting the hanging-basket-type high-rise building firefighting fire extinguishing system disclosed by the invention, fire extinguishing medium such as fire fighting water or foam and the like can be conveyed to a fire scene as high as 300m (or even above) from outer side of a building by virtue of the hanging basket in the system, people in danger can be rescued from the fire scene as high as 300m (or even above), and the people in danger can be sent to ground by virtue of the hanging basket.

A rail cover and support for mounting and insulating the rails of an electric transit system in which the rail cover is vulcanized both to the rail and outer skid support at the manufacturing site prior to delivery to the field and a rail cover completely surrounds both the base flange and web portion of each rail and terminates along the undersides of the top flange. In one form, the upper free ends of the rail cover are increased in thickness to form bumpers along opposite sides of the rail to cushion it against undue shifting or vibration. In fabricating the rail, a sheet dielectric material is vulcanized to the rail with or without a skid plate.

The invention relates to a device and a method for testing the adhesive property between a fiber reinforce plastic (FRP) rib and concrete under a complicated stress state. The device is characterized by comprising a vertical outer frame (1), a vertical inner frame (2) and a transverse frame (3); after being clamped by the transverse frame (3), a test piece (22) is clamped in the vertical inner frame (2); the vertical inner frame (2) is then clamped in the vertical outer frame (1); the FRP rib (23) of the test piece (22) passes through a top plate of the vertical outer frame (1) and is then connected with a tensile testing machine; a bottom pull rod (7) arranged at the lower end of the vertical outer frame (1) is connected with the tensile testing machine; and the stress direction of the test piece (22) is opposite to that of the bottom pull rod (7). The device and the method are simple and practicable, and an ideal experimental device is provided for the pull-out test in the complicated stress state.

The invention discloses a solar energy Stirling engine device, comprising a cylinder with a hot cavity and a cold cavity, wherein the hot cavity is a solar collecting vacuum tube, or is communicated with the solar energy collecting vacuum tube to absorb solar energy to heat the working medium by the solar collecting vacuum tube. The solar energy Stirling engine device utilizes renewable solar energy as the energy source of the engine, does not have waste gas emission and is environmentally friendly; the solar energy collecting vacuum tube is used as the hot cavity and a hot source acquiring device simultaneously, thus simplifying the device and being convenient to control; the invention is applied in solar energy generation; the solar energy Stirling engine device greatly reduces generation cost, provides hot water when the engine works, and has simple equipment and high solar energy utilization ratio.

The invention provides a positioning and attitude-determining method, comprising the following steps: 1) acquiring original images, extracting characteristic points of the original images and matching characteristic points of adjacent original images; 2) carrying out relative orientation on the images by using a random sampling consistency algorithm based on a strict imaging model of a multi-lens combined panoramic camera; 3) calculating the distance between every two adjacent original images through fusion with laser-point cloud so as to determine a photographic scale; 4) carrying out model connection based on results of relative orientation and the photographic scale; and 5) calculating position and attitude information based on the result of model connection by using strict bundle adjustment of the strict imaging model under the restriction condition of the photographic scale. The invention further provides a positioning and attitude-determining apparatus which comprises the panoramic camera, a laser scanner, a GPS receiver and a calculating device. According to the invention, positioning and attitude determination with controllable precision are realized, and manufacturing cost for the apparatus is low.

The invention discloses a waste compression device. The waste compression device comprises a waste inlet, movable compression rolls, a crushing roll, a conveying line and extruding-in rolls. The waste compression device is connected with a waste collecting platform through the waste inlet in a butt joint mode. The movable compression rolls are arranged at the waste inlet, and waste on the waste collecting platform enters the movable compression rolls through the waste inlet. The crushing roll is arranged above the movable compression rolls in a telescopic mode and used for crushing the waste located above the movable compression rolls. The conveying line is used for conveying the waste which is extruded by the movable compression rolls to a waste outlet. The extruding-in rolls are arranged at the waste outlet, and the waste on the conveying line enters a dustbin through the extruding-in rolls. The maximum reduction of the waste is achieved through the waste compression device.

An animal containment apparatus (10) adapted to be mounted to a fencing arrangement (32) or building structure, the apparatus (10) including an elongated prop member (14), pivotally supported (34) about a length of the fence (32) or building structure, having an outer peripheral edge separated by intermittent ingresses along the length of the prop member (14), such that when the paw (30) of an animal (28) makes contact with the prop member (14), the paw engages an ingress, causing the prop member to rotate and preventing any leverage for the animal (28) to climb or scale over the fence (32) or building.

The invention discloses a thermal oxidation accelerated aging test device and a service life prediction method for an in-service polyethylene pipeline, and belongs to the technical field of polyethylene pipeline life detection. The device is characterized in that an air pump, a valve, a pressure meter, a pressure reducing valve and the polyethylene pipeline are connected through airtight pipelines in sequence; the polyethylene pipeline is sealed through a seal clamp and arranged in an aging box. The method comprises the following steps: performing thermal oxidation accelerated aging tests on the in-service polyethylene pipeline at 110 DEG C and a new polyethylene pipeline with the same type and size as the in-service polyethylene pipeline at 100 DEG C and 110 DEG C for brittle fracture respectively, and recording the time t[old]110, t[new]100 and t[new]110 for the three tests to obtain the predicted service life t[real] of the in-service polyethylene pipeline, wherein the t[real] is described in the specification. The device can be used for performing the thermal oxidation aging tests under the condition that the polyethylene pipeline keeps the internal pressure the same as the actual working condition, and is simple and short in test time; the method using the device can provide theoretical references for engineering application.

The invention relates to a determination method and a determination device for ammonia escape, wherein a filter element is tightly pressed in a filter device, a stainless steel gas inlet tube is movably connected with the filter device, and a gas guide rubber hose is connected with the stainless steel gas inlet tube; the gas guide rubber hose is connected with a gas extraction pump; the gas extraction pump is connected with a gas guide tube, the gas guide tube stretches in an airtight container and is communicated with a gas disperser arranged in the airtight container, and a gas exhaust tube is further arranged at the top of the airtight container; a power supply and a switch are arranged on the gas extraction pump; and valves are respectively arranged on the gas exhaust tube and the gas guide tube. Diffused smoke is filtered and then is sucked in the airtight container filled with a dilute acid aqueous solution, so that ammonia is adequately absorbed by the dilute acid aqueous solution and is converted to ammonia nitrogen in the dilute acid aqueous solution from gaseous NH3. The determination method is simple, fast and accurate; and the device is simple, easy to carry, and convenient to maintain and use.

The invention discloses a measuring method for in-tube liquid level elevation of a photoelectric and tubular settlement meter. In the method, liquid level height variation measurement of a tubular settlement meter is realized by using a parallel light projecting method or an imaging method so as to measure elevation variation of each tested point. In the imaging method, a float on the liquid level is used for spraying a reflective material or a light resource is placed on the float to image on the target surface, and calculation is carried out by extracting the centre of gravity by using the gray gravity method, or liquid level boundary extraction is carried out on the liquid level imaging directly by the image process, so as to realize variation measurement for a plurality of in-tube liquid level elevations; in the projecting method, parallel light for projection is used, and calculation is realized by using projection shadow of the liquid level or the float on a large range linear array photoelectric device for extracting the centre of gravity so as to realize automatic non-contact high accurate measurement of the liquid level elevation variation. The device of the measuring method in the invention is simple in installation and low in cost, and can be widely applied in a vertical settlement shift measuring field of the tubular settlement meter in large-scale buildings and geotechnical engineering, such as an earth and rock dam, a tailings dam and a landslide body and the like.

A cold-accumulating gasifier for low-temp liquid is composed of a low-temp liquid heat-exchanger, an insulating gasifier containing a refrigerant heat-exchanger and a low-temp liquid heat-exchanger and full of cold storing medium, a circulating pump communicated with said refrigerant heat-exchanger and an insulating storage tank, and a nitrogen gas cylinder communicated with said refrigerant heat-exchanger. Its advantages are simple structure and continuous working.

The invention discloses an ionization mass spectrometric detection device and application thereof. The device comprises an insulation dielectric pipe, an outer electrode, a power supply device and a mass spectrometer ion source, wherein the outer electrode is wound outside the insulation dielectric pipe; the power supply device is connected with the outer electrode; one end of the insulation dielectric pipe is a carrier gas inlet; the other end of the insulation dielectric pipe is a plasma flame outlet; the mass spectrometer ion source is provided with a mass spectrometer ion source sample feeding opening; the mass spectrometer ion source sample feeding opening is near the plasma flame outlet. The device can be used for performing in-situ detection on samples on paper; the paper cutting and the high pressure exertion are not needed; the good combination with various paper core piece analysis devices can be realized; the advantages of a label-free effect and high flux are realized. In addition, the structure of the device is simple; the device can be easily built; in addition, the device can be used at barometric pressure; high-flowing-speed carrier gas is not needed; heating is not needed; the miniaturization of the instrument can be easily realized. The device can be used for detecting small molecules, and can also be used for detecting polypeptide and protein; the application range of a dielectric barrier discharge iron source is greatly expanded.