644results about How to "Compact and stable structure" patented technology

The invention relates to a prosthetic device (30), in particular a foot prosthesis, for fitting leg amputees, with a universal joint mechanism (32), which couples a shaft (34) with a treading attachment (40, 42) through an articulation, wherein the universal joint mechanism (32) comprises a joint element (44) supported such that it is rotatable about a first rotational axis (C) and a second rotational axis (D) differing therefrom. For more accurate modeling of the natural gait of a healthy human foot, the invention provides that the universal joint mechanism (32) comprises a shaft-side joint fork (36) coupleable with the shaft (34) and a treading-side joint fork (38) coupled via the joint element (44) through an articulation with the shaft-side joint fork (36), wherein the shaft-side joint fork (36) is swivellable about the first rotational axis (C) and the treading-side joint fork (38) about the second rotational axis (D) relative to the joint element (44), and wherein the swivel movements of shaft-side and treading-side joint fork (36, 38) relative to the joint element (44) are carried out against the resistance of at least one damping element (90, 92) proximal to the joint element.

The invention relates to a full-automatic visual inspection system for screen defects. The system comprises a controller as well as an automatic feeding unit, an automatic inspection unit and an automatic classifying and discharging unit which are connected with the controller; the automatic feeding unit, the automatic inspection unit and the automatic classifying and discharging unit are sequentially arranged to form an automatic assembly line; the automatic feeding unit conveys to-be-inspected screens to the automatic inspection unit; the automatic inspection unit performs automatic defect inspection to determine whether the screens belong to non-defective products or defective products; and the automatic classifying and discharging unit acquires the inspected screens from the automatic inspection unit and performs classification and output according to inspection results. Compared with the prior art, the system has the advantages that the automation degree is high, the whole inspection process is simple to operate, the labor intensity of workers is reduced, the human capital is reduced, and the production efficiency is improved.

The invention provides an electronic device and an integrated card support and key module of the electronic device. The integrated card support and key module comprises a shell, a key, a card support, a main board and a bar stirring piece. A key hole and an ejector pin hole are formed in the side face of the shell, and a shaft part is formed on the inner side wall, close to the ejector pin hole, of the shell. The key is arranged in the key hole and comprises a pressing part and a fulcrum part. The card support is movably connected with the fulcrum part and comprises a card support frame body for bearing a card. The main board comprises a circuit board body, a push switch and a card base, the card base is used for containing the card support frame body, and the card and the main board are electrically connected through the card base. The bar stirring piece is arranged in the shell and comprises a shaft hole part, a pressing bar and a pry bar. The pressing bar drives the pry bar when being pressed, so that the key is pushed to be separated from the key hole, and the card support is taken out when the key is taken out from the key hole. The integrated card support and key module has the advantages that the appearance is simple and attractive, the key is firmly installed, the pressing touch sense of the key is good, and the card is conveniently taken out.

Disclosed herein is a middle- or large-sized battery pack including a module assembly constructed in a structure in which a plurality of battery modules, each of which includes a plurality of battery cells or unit modules mounted in a module case while the battery cells or unit modules are connected in series to each other, are arranged such that the battery modules are disposed in contact with each other in the lateral direction, and a coolant flow channel is vertically formed, a plurality of support members for supporting opposite sides and the bottom of the module assembly and maintaining the arrangement state of the module assembly, and a pack housing for surrounding the module assembly and the support members, wherein the battery pack is constructed in a cooling structure in which a coolant is introduced through one side upper end (or lower end) of the module assembly along a hermetically sealed space defined by the support members, flows vertically through the module assembly, and is discharged through the other side lower end (or upper end) of the battery assembly.

Disclosed is a semiconductor laser spectral beam combining device for for realizing spectral width compression through two-time diffraction by using a grating and a reflecting element. The device comprises a semiconductor laser light source, a slow axis collimating cylindrical lens, a transforming lens, a grating, a reflecting element and an output coupling mirror. In the invention, the single grating is used as a diffraction element, the reflecting element reflects the beam which is diffracted by the grating for the first time, the beam is secondarily dispersed when passing through the grating again, and the dispersive power is doubled. Through the feedback of the output coupling mirror, the laser of each unit of a semiconductor laser array is locked at a different wavelength to obtain a laser output of high power and high brightness. The device of the invention overcomes the limitation of the gain line width of a gain material in the traditional spectral beam combination to the number of beam combining units, can increase the number of beam combining units within the gain line width and the high-efficiency diffraction wavelength range of the grating, increases the output power significantly, reduces the resonant cavity length with a certain spectral width, makes the laser structure compact and improves laser mode stability.

The invention relates to a power battery module of an electric vehicle and an electric vehicle. The power battery module comprises cells, an upper cover, a middle end plate, two oppositely arranged end plates, and two oppositely arranged lateral plates. Two end plates are respectively welded to two lateral plates to form a shell without any bottom surface or a top surface. The middle end plate iswelded to two lateral plates so as to divide the interior of the shell into at least two installation cavities. Multiple cells are installed in each installation cavity. The upper cover is arranged onthe upper end of the shell. The overall installation structure is formed by connecting the middle end plate, the end plates, and the lateral plates, the number of stored cells is increased, the number of stored cells is equal to the number of cells of two or more individual modules, compared with two or more individual modules, the size is reduced in the length direction, the module length is increased, the occupied space is small, the uniformity of the module is increased, the inner space is saved, the whole structure of the module is more compact, the space utilization rate is increased, and thus the energy density and capacity of the whole battery system are both increased.

The present invention discloses a low smoke halogen-free environment-protection fire-retardation type sheet molding compound, which comprises, by weight, 60-80 parts of an unsaturated polyester resin mixture, 20-60 parts of a thermoplastic high molecule polymer slurry, 1-3 parts of an initiator, 2-4 parts of a thickener, 0.02-0.5 part of a polymerization inhibitor, 5-15 parts of a mold release agent, 90-140 parts of a filler, 80-150 parts of aluminum hydroxide powder, 1-10 parts of an organosilicon synergist, 1-8 parts of a smoke suppressant, 5-25 parts of a liner phenol formaldehyde resin, and 80-200 parts of reinforcing fibers. Compared with the conventional fire retardation agent, the low smoke halogen-free environment-protection fire-retardation type sheet molding compound has the following advantages that: a fire retardation performance of the composite material is increased, smoke density during burning is reduced, excellent mechanical properties of the material is maintained, and disadvantages of large smoke density during burning and low comprehensive mechanical performance of the existing fire-retardation sheet molding compound are solved.

The invention provides a double-laser system for precision measurement of cold atom interferometry. The system comprises a master laser, a master laser frequency stabilizing module, a first beam splitting module and a first frequency shift and beam splitting unit which are used for supplying back pumping light and raman master laser. The system further comprises a slave laser, a slave laser lock phase frequency stabilizing module, a second beam splitting module, a laser amplifier and a second frequency shift and beam splitting unit which are used for supplying raman slave laser, cooling light,detecting light, cleaning light and state preparation light; the raman master laser and the reman slave laser are utilized for producing reman laser through a raman light frequency shift unit. The system is simple, compact and stable in structure, novel and flexible in frequency regulation, and applicable to miniaturization, engineering and productization, and particularly supplies laser solutions to cold atom interferometry based absolute gravimeters, gradometers, gyroscopes and the like.

The invention belongs to the technical field of packaging machinery, and particularly relates to a brick pile packaging method and a brick pile packaging production line. A brick pile on a steam-curing car is mechanically divided into a plurality of packaging piles, the packaging piles are placed on pallets, two corner beads are covered on two diagonal lines of each packaging pile respectively, and bricks in each of a plurality of brick rows along with the corresponding pallet and the diagonal lines are bundled by a bundling strap, so that the bricks form a firm whole by bundling each packaging pile. The packaging production line comprises a pile dividing device, a brick holding device, two vertical bundling machines, four bead clamping and cutting devices, two pallet bins and two packaging conveying devices, wherein the pile dividing device is used for dividing the pile, the brick holding device is used for holding the bricks to place each two packaging piles onto the pallets of the packaging conveying devices respectively by means of pile division, the bead clamping and cutting devices are used for covering and cutting the corner beads, and the vertical bundling machines are used for vertically bundling the packaging piles. The bundled brick piles are compact and firm in structure, the whole packaging production line realizes mechanized production, production efficiency is greatly improved, and labor intensity of workers is relieved.

The invention discloses a spectrum beam combination device for realizing twice diffraction by using the transmission grating of a plated reflecting film. The spectrum beam combination device comprises a semiconductor laser unit light source, a slow-axis collimated column lens, a conversion lens, a transmission grating and an output coupling mirror. The transmission grating of the back plated reflecting film is used as a diffraction element, namely the reflecting film is plated at the back of a grating surface, so that the dispersive power of the grating can be doubled by an incident beam through the diffraction of the transmission grating twice. According to the spectrum beam combination device, the restriction that the dispersive power of the diffraction grating is limited in traditional spectrum beam combination is overcome, the number of beam combination elements can be increased in the gain line width of the material and the high-efficiency diffraction wavelength range of the grating, and the output power is obviously improved, or the length of a resonant cavity can be shortened when certain output spectrum width is guaranteed, so that the structure of a laser unit is compacter, and the mode of the laser unit is stabler.

A light pulse source (100), being adapted for generating repetitive optical pulses, comprises a continuous wave (cw) laser (10) being arranged for providing cw laser light, an optical microresonator (20) being made of a resonator material, which has a third order (Kerr) nonlinearity and an anomalous resonator dispersion, wherein the cw laser (10) is arranged for coupling the cw laser light into the optical microresonator (20), which, at a predetermined relative detuning of the cw laser (10) and the optical microresonator (20), is capable of including a light field in a soliton state, wherein soliton shaped pulses can be coupled out of the optical microresonator (20) for providing the repetitive optical pulses, and a tuning device (30) being arranged for creating and maintaining the predetermined relative detuning of the cw laser (10) and the optical microresonator (20) based on a tuning time profile being selected in dependency on a thermal time constant of the optical microresonator (20) such that the soliton state is achieved in a thermal equilibrium state of the optical microresonator (20). Furthermore, a method of generating repetitive optical pulses is described based on soliton shaped pulses coupled out of an optical microresonator (20) is described.

The invention provides an electronic device and an integrated card support and key module of the electronic device. The integrated card support and key module comprises a shell, a key, a card support, a main board and a bar stirring piece. A key hole and an ejector pin hole are formed in the side face of the shell, and a shaft part is formed on the inner side wall, close to the ejector pin hole, of the shell. The key is arranged in the key hole and comprises a pressing part and a connecting plate, and a connecting protrusion is formed on the connecting plate. The card support comprises a card support frame body and a receding groove, wherein the card support frame body is used for bearing a card, and the receding groove is movably connected with the connecting protrusion. The main board comprises a circuit board body, a push switch and a card base, and the card and the main board are electrically connected through the card base. The bar stirring piece is arranged in the shell and comprises a shaft hole part, a pressing bar and a pry bar. The pressing bar drives the pry bar when being pressed, so that the key is pushed to be separated from the key hole, and the card support is taken out when the key is taken out from the key hole. The integrated card support and key module has the advantages that the appearance is simple and attractive, the key is firmly installed, the pressing touch sense of the key is good, and the card is conveniently taken out.

The invention discloses an automatic continuous detection device of micro-pulse differential absorption lidar water vapor spatial and temporal distribution. The device comprises dual wavelength detection light sources, a lidar receiving optical system, a signal detection system, a three dimensional rotating platform, a transient recorder, an automatic temperature and humidity recorder and the like. The wavelengths of the two detection light sources are respectively positioned on a water vapor absorption peak and a water vapor non-absorption peak, the detection light can be transmitted into atmosphere at any angle, water vapor absorption characteristic backward scattering signals in specific spectral lines are obtained, water vapor distance-distinguished relative humidity profiles in transmission paths of light are obtained by inversion, and after profiles being calibrated, high-resolution and high-precision water vapor relative humidity spatial and temporal distribution data in light paths is finally obtained. The automatic continuous detection device can carry out day and night all-weather observation for water vapor relative humidity stereo distribution, and has advantages of high time resolution, high spatial resolution and high detection precision.

The invention discloses a stable compact type laser-transceiving integrated detection light path structure. The stable compact type laser-transceiving integrated detection light path structure comprises a laser transceiving device and a pyramid reflector device, wherein laser output by a host laser of a monitor is coupled by an external transmission optical fiber flange, so as to enter a tail fiber in a covering cylinder, the laser is conducted to a laser alignment mirror by the tail fiber, the laser is emitted from a receiving mirror in a center opening after being aligned, passes through a sealing window mirror and a target gas detection area and then arrives at an opposite pyramid reflector of the pyramid reflector device, so as to form a reflected light beam and return along the direction of a main light path, the extended return light beam is received and laterally reflected and focused by the receiving mirror, so as to arrive at a receiving lens and a detector which is used for detecting an optical signal of a receiving spectrum, and an electrical signal output by the detector is transmitted to an output interface by virtue of a connecting wire and then transmitted to a host by virtue of an external cable. According to the stable compact type laser-transceiving integrated detection light path structure, a spectral absorption optical path is doubled, the detection precision can be increased, the application range can be extended, and the anti-vibration performance is obviously improved.

The invention discloses a handhold weather station and a monitoring method of the handhold weather station. The handhold weather station comprises a weather information sensor, and a data collector which is connected with the weather information sensor, wherein the handhold weather station is characterized in that the data collector, the weather information station and a smart mobile phone are integrated on a frame body, wherein the smart mobile phone is provided with an electronic compass and a GPS satellite positioning system and is downloaded with a piece of weather information monitoring software. The data collector is connected with a data collection switch, a Bluetooth communication module matched with the smart mobile phone, a data storage module, and a USB interface which is used for transmitting the data. The handhold weather station is small in volume, is convenient to carry and operate, can realize the monitoring function at any time in anywhere, can be connected to internet through radio, has strong flexibility, cannot be limited by regions and external environment, can collect the data more accurately, and is convenient to download the data.

The invention discloses a Chinese herbal medicine airing plate system with a sun tracking function. The Chinese herbal medicine airing plate system comprises a rack, a control device, a Chinese herbal medicine airing plate and a steering device, wherein the Chinese herbal medicine airing plate and the steering device are arranged on the rack; the Chinese herbal medicine airing plate is located at the top of the rack; the steering device is located on a position below the Chinese herbal medicine airing plate and is used for regulating the rotation of the Chinese herbal medicine airing plate in the horizontal direction and the rotation of the Chinese herbal medicine airing plate in the vertical direction; the irradiation angle data of sunlight are received and acquired by virtue of the control device, and the rotation angles of a deflection device and a revolution device are regulated timely, so that the Chinese herbal medicine airing plate is always kept at a lighting angle vertical to the sunlight; and baffles are arranged along the periphery of the Chinese herbal medicine airing plate on which a ventilating device is also arranged. The Chinese herbal medicine airing plate system is good in airing effect, high in airing efficiency and capable of saving manpower and material resources and has an automatic sun tracking function.

Disclosed herein is a middle- or large-sized battery pack including a module assembly constructed in a structure in which a plurality of battery modules, each of which includes a plurality of battery cells or unit modules mounted in a module case while the battery cells or unit modules are connected in series to each other, are arranged such that the battery modules are disposed in contact with each other in the lateral direction, and a coolant flow channel is vertically formed, a plurality of support members for supporting opposite sides and the bottom of the module assembly and maintaining the arrangement state of the module assembly, and a pack housing for surrounding the module assembly and the support members, wherein the battery pack is constructed in a cooling structure in which a coolant is introduced through one side upper end (or lower end) of the module assembly along a hermetically sealed space defined by the support members, flows vertically through the module assembly, and is discharged through the other side lower end (or upper end) of the battery assembly.

The invention discloses an atomic interferometer light source based on sideband suppression, including a laser, an interferometric laser phase modulator and a control module. The input end of the interferometric laser phase modulator is connected to the output end of the laser, and the control end of the interferometric laser phase modulator is connected to the output end of the control module. Under the action of a radio frequency signal output by the control module, the interferometric laser phase modulator modulates the frequency of laser output by the laser, and suppresses a sideband or suppresses carriers at the same time, in order to realize dual frequency output or single sideband output. In the invention, the interferometric laser phase modulator suppresses excess sidebands which are produced when a general electro-optic modulator is used, and avoids the interference of excess sidebands on the whole experiment process. Therefore, the high resolution of an atomic interferometerunder the condition that an optical phase locked loop is used can be achieved.

The invention relates to an earphone moving-iron unit with an improved structure. The earphone moving-iron unit comprises a balanced armature, vibrating diaphragms and a driving magnet mechanism arranged in a shielding case, wherein the balanced armature is U-shaped, and two side parts of the balanced armature are coiled for at least one circle respectively; coils are connected in series; the driving magnet mechanism is arranged corresponding to an opening part of the balanced armature; and the two side parts of the balanced armature are in transmission connection with one vibrating diaphragm respectively. The driving magnet mechanism is preferably formed by combining an I-shaped iron core and two permanent magnets. The earphone moving-iron unit with the improved structure has the advantages that: the balanced armature is driven by two coils, and the effects of sectional drive and separate drive are achieved by adjusting the structures of the two coils according to application needs; compared with a conventional single vibrating diaphragm, the earphone moving-iron unit with an improved structure adopts the design of double-vibrating diaphragm driving structures independent of each other, therefore, the product conversion efficiency is increased, and frequency response curves of the moving-iron unit are enriched; and with the adoption of the design of an optimized driving magnet mechanism structure, a magnetic circuit is effectively optimized, the utilization efficiency of the magnetic circuit is increased, and the structure is more compact and firmer.

The invention belongs to the technical field of steel preparation and particularly relates to hot stamping forming steel added with Ce alloy and a hot stamping forming technology. The hot stamping forming steel added with Ce alloy comprises the following chemical compositions in percentage by mass: 0.22-0.40% of C, 1.0-2.5% of Mn, 1.2-2.0% of Si, 0.05-0.5% of Al, 1.2-2.5% of Cr, less than 0.6% ofMo, less than 0.1% of Nb, less than 0.15% of V, 0-0.1% of Ti, 0-0.01% of B, 0.01-0.03% of P, less than 0.004% of O, less than 0.002% of S, 0.03-0.08% of Ce, less than 0.01% of Ca, less than 0.01% of Mg and the balance of Fe and unavoidable impurities. The hot stamping forming steel adopts brand new composition design and a conventional production process for production and hot stamping. Through changing the thickness and structure of oxidized scale during the heating and stamping process of hot forming steel, the problem about falling of the hot forming steel during the heating and stamping process is solved, and finally, a thin oxide layer with a stable and dense structure is formed on the surface of a stamping component, so that the problem that a die is worn because the oxide layer of the hot stamping steel falls off is solved, at the same time, shot blasting treatment is also avoided, and the hot stamping forming steel has the direct coating application condition and does not pollute the environment.

The invention discloses a hyperspectral infrared imaging gas monitoring device. The device comprises an infrared imaging spectrograph, an infrared thermal imager, a visible light imaging system, an image processing system and a comprehensive display control system. The infrared imaging spectrograph, the infrared thermal imager and the visible light imaging system are connected with the image processing system, the comprehensive display control system is connected with the infrared imaging spectrograph, the infrared thermal imager, the visible light imaging system and the image processing system, and the comprehensive display control system displays output image data of a system and gas recognition results. The invention further discloses a monitoring method of the device. Visible light images and infrared images are fused to achieve primary detection of a gas distribution area, the infrared imaging spectrograph is adopted to collect hyperspectral infrared data of a target area, the visible light images, the infrared images and the hyperspectral infrared data are input into the image processing system to be processed, and meanwhile, the concentration of gas can be estimated according to the visible light images and the infrared image data.

The invention provides a capsule type endoscope in-vitro navigation device, and relates to the field of medical apparatus and instruments. The device comprises a base mechanism, a movable bed body, a Y-axis frame mechanism, a Z-axis mechanism, a magnet universal rotating mechanism and a magnet; the mobile bed body is fixed to the base mechanism, the Y-axis frame mechanism is perpendicularly connected to the base mechanism, the Z-axis mechanism is movably and perpendicularly connected to the Y-axis frame mechanism, and the magnet is connected with the magnet universal rotating mechanism which is connected with the Z-axis mechanism; the base mechanism controls the magnet to move in the X-axis direction, the mobile bed body can move in the X-axis direction, the Y-axis frame mechanism controls the magnet to move in the Y-axis direction, the Z-axis mechanism controls the magnet to move in the Z-axis direction, and the magnet universal rotating mechanism controls the magnet to rotate around the horizontal axis and the vertical axis of the magnet universal rotating mechanism. The capsule type endoscope in-vitro navigation device is stable, compact, safe, convenient, visual and reliable, the device can well assist in controlling the tail end magnet, and rapid and accurate direction control over a capsule type endoscope in the abdominal cavity of the human body is achieved.

The invention discloses an unmanned aerial vehicle for plant protection. The unmanned aerial vehicle comprises a rack, wherein a center plate is firmly connected to the top of the rack; multiple machine arms are uniformly distributed on sides of the center plate; a rotor driven by a motor is disposed on the front end of each machine arm; a water tank is firmly connected to the bottom of the center plate; an outlet of the water tank is connected to an inlet of a water pump by a pipeline; the water pump is fixed on a horizontal rod which is located at the middle part of the rack; spraying rods which extend to the left side and the right side are disposed at the middle part of the rack; a spraying nozzle is disposed on each spraying rod; an outlet of the water pump communicates with each spraying nozzle by multi-way joints and pipelines; landing rods are disposed on the left side and the right side of the bottom of the rack respectively; a storage battery is fixed on the top face of the center plate; and the storage battery is electrically connected to the water pump and the motor which drives the rotors. The center plate and the water tank sandwich the single rod for integral fastening. The unmanned aerial vehicle disclosed by the invention has the advantages that the structure is compact and firm; because of a damping sponge cushion, the spraying rods are prevented from shaking and then causing unstable flight of the whole machine, so that flight stability can be ensured.

The invention discloses an electric control lifting skylight structure of a steel-structure industrial plant. The electric control lifting skylight structure is formed by a lifting skylight platfond, skylight guide rails and wind screen plates, wherein the skylight guide rails are vertically arranged at two sides of a central opening of a house cover of the steel-structure plant, the lifting of the lifting skylight platfond on the skylight guide rails is realized through a transmission device, the wind screen plates are arranged at two sides of the house cover of the steel-structure plant, and the opening / closing connection between the wind screen plates and the house cover of the steel-structure plant is realized through a rotating shaft. Compared with the prior art, the electric control lifting skylight structure disclosed by the invention has the advantages that structure is compact and firm, the use is convenient, not only can good lighting and ventilating effects be provided for the steel-structure industrial plant, but also the safety of the steel-structure industrial plant can be ensured under a strong breeze condition.

The invention provides a combine harvester. A feeding port is formed in the middle of a frame, so that a connecting port between a crop conveying structure communicated with the feeding port and a header is located at the position, close to the middle, of the header, and crops are fed into the connecting port from the two sides of the header more evenly; and meanwhile, a scattering structure is arranged close to a grain storage assembly, the crops enter from the middle of the front end of the harvester and are partially scattered out from the middle of the tail end of the harvester through the n-shaped threshing direction of a double-helix threshing conveying system, and the stability of the gravity center of the combine harvester is guaranteed. A cleaning transmission system is arranged at the outer side of a threshing system, centralized transmission is achieved, and installation and debug are convenient. The whole harvester is compact in structure, small in occupied space, high in maneuverability and remarkable in operation efficiency, and the gravity center is always kept stable in the empty operation and harvesting operation process.

The invention discloses an MgF2 / oxide composite membrane used for anti-reflection of a glass surface. The MgF2 / oxide composite membrane is of an MgF2 / Al2O3 or MgF2 / SiO2 dual-layer membrane structure; and an Al2O3 or SiO2 buffer layer is inserted between an MgF2 membrane and a glass substrate. Therefore, on the premise of improving an anti-reflection effect of a membrane system, by using the good wetting property of the Al2O3 and SiO2 layer and the glass surface, an adhesive force between a membrane and the substrate is enhanced; the firmness of the MgF2 membrane is improved; the performance advantage of hard texture of an Al2O3 and SiO2 coating can be brought into play; the scratch resistance of the overall membrane system is improved; the mechanical performance of the overall membrane system is improved; and a comprehensive performance requirement on an anti-reflection membrane on a photovoltaic glass surface in a poor working environment can be met.

The invention discloses a wireless linkage type omnidirectional walking lifting platform transport vehicle, which is a double-vehicle mode and is composed of two bicycles connected. A bearing frame installed in the middle of the platform car body, and the platform car body is installed with four sets of the walking devices. In the double-car linkage mode, two of the platform car bodies are connected by the quick connection device, so that a single hand-held device can be realized. The remote control controls the double vehicles; the wireless linkage type omnidirectional walking lifting platform transport vehicle of the present invention provides a combination of two vehicles linkage, omnidirectional walking, lifting, and wireless remote control. The screw type lifting platform has a compact and stable structure, and can adapt to high It has the advantages of continuous operation of frequency and stable lifting height. The two linkages can transport equipment with larger weight and meet the transportation of larger equipment.

The invention discloses an antistatic halogen-free environment-friendly flame-retardant sheet moulding compound and a preparation method thereof. The antistatic halogen-free environment-friendly flame-retardant sheet moulding compound comprises the following components in parts by weight: 70-100 parts of unsaturated polyester resin mixture, 30-60 parts of thermoplastic high-molecular polymer slurry, 1-4 parts of initiator, 2-6 parts of thickener, 0.03-0.8 part of polymerization inhibitor, 4-20 parts of release agent, 50-120 parts of filler, 3-10 parts of antistatic agent, 50-90 parts of aluminum hydroxide powder, 10-30 parts of inrumescent flame retardant, 2-7 parts of anti-smoke agent, 5-30 parts of anti-falling agent and 50-150 parts of reinforced fiber. according to the preparation, graphene is adopted as a novel antistatic agent; the graphene has ultrahigh electric conductivity; and after being treated by a coupling agent, the graphene can be uniformly dispersed in the matrix resin and form a good conducting channel.

The invention belongs to the technical field of refractory matter, and particularly relates to components of a high-stability electric smelting AZS brick. The components of the high-stability electric smelting AZS brick are characterized in that the electric smelting AZS brick is prepared from, by mass, 32-44% of zirconium dioxide, 7-15% of silicon dioxide, 0.7-1.5% of sodium oxide, 0.5-3% of yttria and 40.9-56.5% of aluminum oxide. According to the components of the high-stability electric smelting AZS brick, the phenomena that molten glass is contaminated and a brick body is corroded due to effusion of a glass phase are reduced, and therefore the glass quality is improved.

The invention discloses a stacked microstrip UHF antenna which comprises an antenna base, a stacked microstrip antenna unit arranged on an upper surface of the antenna base and a feeding device connected to the stacked microstrip antenna unit. The stacked microstrip antenna unit comprises an upper radiation unit layer, an upper dielectric layer, a lower radiation layer and a lower dielectric layerfrom the top to bottom. The feeding device includes a coupling layer formed by two metal sheets arranged on an upper surface of the upper dielectric layer, a first feed probe and a second feed probeconnected to the coupling layer and a feeding network which is arranged in an inner cavity of the antenna base and is electrically connected to the first feed probe and the second feed probe. The stacked microstrip UHF antenna has the advantages of a compact structure, a small volume, a light weight, a low profile, a wide frequency band and convenience in installation and debugging.