46results about How to "Increase the caliber" patented technology

The invention discloses a 1.2m feedback full-automatic portable emergency satellite communication antenna servo system which comprises a portable box, an antenna structure unit and an antenna control unit, wherein the antenna structure unit and the antenna control unit are arranged in the portable box; the antenna structure unit comprises an antenna mount, a six-section carbon fiber antenna main reflection surface and a feed source component support frame, wherein the six-section carbon fiber antenna main reflection surface and the feed source component support frame are connected to the antenna mount, an antenna auxiliary reflection surface is installed at the end part of the feed source component support frame, a feed source component support plate is installed in the middle of the feed source component support frame, a feed source component is installed on the feed source component support plate, a direction drive device and an elevation drive device are arranged in the antenna mount, and the feed source component comprises a feed horn, a polarizer, a duplexer and a polarization power transmission mechanism. The 1.2m feedback full-automatic portable emergency satellite communication antenna servo system is reasonable in design, convenient in implementation, increased in communication bandwidth, expanded in communication capacity, high in degree of intelligence and working reliability, convenient to carry and good in use effect, provides communication guarantee for the emergency handling and is convenient to popularize and apply.

The invention discloses a sweep frequency laser light source based on a hyperfine tuned filter. An annular laser oscillation cavity is formed by a semiconductor light amplifier, two polarization controllers, a dispersion control delay line, a circulator, the hyperfine tuned filter and an optical fiber coupler. The hyperfine tuned filter mainly consists of a double-grating combined dispersion system of expanded beam grating-auto-collimation beam grating based on a Littman-Littrow structure and a rotary polygonalmirror. The double-grating layout based on the Littman-Littrow structure utilizes the dispersion and beam expanding ability of the expanded beam grating to improve the caliber of the incident light of the auto-collimation beam grating, form different deviations to the auto-collimation condition of the auto-collimation grating by different coloured lights and improve the angle dispersion ability of the double-grating combined dispersion system. In addition, reasonable matching of grating parameters, incident angles and diffraction efficiency can be easily realized. The tuned filter based on the double-grating and the rotary polygonalmirror can simultaneously ensure the hyperfiness of tuning and high transmissivity of the whole tuning range.

The invention discloses a multi-spectral common-aperture optical system. The multi-spectral common aperture optical system comprises a window for light incidence and light emergence, and a scanning system arranged at the rear end of the window; scanned target light enters an optical signal separation detection system through an afocal telescopic system or a wide-field-of-view plugging lens; the optical signal separation detection system includes a laser detection subsystem for transmitting and receiving laser beams, an infrared detection subsystem and a visible light detection subsystem; after entering the optical signal separation detection system, the light is split by a combined dichroic mirror; and the split light is detected by the laser detection subsystem, the infrared detection subsystem and the visible light detection subsystem respectively. The multi-spectral common-aperture optical system provided by the invention is a detection optical system enabling light integration of laser, infrared and visible light in a plurality of bands. The optical system is compact in structure and can meet requirements for miniaturization and multi-functionalization of optoelectronic systems.

The invention relates to a method for manufacturing a large-diameter thick-wall seamless steel pipe, which belongs to the field of iron and steel smelting. The method is widely applied to forming a process for manufacturing a large-diameter thick-wall seamless steel pipe which meets the quality requirement on a high-quality steel pipe without extra-heavy type forging and pressing equipment by combining a friction welding technology and a push pipe expanding technology of industries of aerospace, automobiles, petrochemical industry, nuclear power, and the like. Thick-wall steel pipes with the diameter below 700mm are butted into a pipe blank with a certain length by adopting friction welding, and the butted pipe blank is expanded into a demanded specification on a push pipe expanding machine. The large-diameter thick-wall seamless steel pipe which is made of different materials, such as carbon structure, steel alloy structural steel, heat resistant steel, and the like and has different specifications of the outer diameter more than 720mm, the wall thickness 20-130mm and the length not larger than 12,500mm can be produced by adopting the method. The invention can greatly reduce the equipment investment and the production and manufacture cost.

The invention has a guidance and control system (44) which includes an optical seeker subsystem (17), a processor subsystem (46), a three-axis guidance control subsystem (25). The processor subsystem (46) includes a 3-axis MEMs rate sensor (63), a roll algorithm device (65), a seeker detection algorithm device (51), and a guidance algorithm device (67). The flight control subsystem (25) include three canard axis drives (32).

The invention discloses a high-stability high-energy laser receiving lens which performs detection of a target together with a four-quadrant detector. The laser receiving lens includes a diaphragm and a narrow-band interference filter, a first biconvex lens, a second biconcave lens, a third biconcave lens, a fourth biconvex lens and a fifth convex-concave lens which are coaxially arranged from left to right; the diaphragm is arranged on the surface of the left side of the narrow-band interference filter; and the four-quadrant detector (8) is coaxially arranged on a focal plane of the right side of the fifth convex-concave lens. The high-stability high-energy laser receiving lens provided by the invention solves the problems of large relative aperture, high-uniformity light spots and low distortion of a laser receiving lens, and proposes the high-stability high-energy laser receiving lens on the premise of satisfying miniaturization.

The invention discloses a lawn mower taking rotating wind as power and performing dehumidification by means of hot air of a motor. The lawn mower structurally comprises a controller, a U-shaped handle, a handrail bar with adjustable length, a grass collecting basket, wheels with adjustable height, a machine body, a grass inlet, a wet grass scraping device and mowing blades. Compared with the priorart, the lawn mower has the advantages that wind generated by high-speed rotation of the mowing blades serves as main power to drive light scrapers to rotate for scrapping grass leaves, wet grass iseffectively prevented from remaining in the grass inlet, the diameter of the grass inlet is prevented from being affected, and the improvement of grass inlet and outlet efficiency is facilitated; thehot air generated by the motor of the lawn mower is collected so as to dehumidify the wet grass, and the dehumidification effect is good; the centrifugal force generated by the rotation of the light scrapers also throws the grass leaves into the grass collecting basket, and the water on the grass leaves is also removed when the grass is thrown, thereby effectively preventing the mold and deterioration of the grass leaves, and effectively avoiding the influence of the growth and development of cattle and sheep caused by the fact that the cattle and sheep eat moldy grass leaves.

The invention discloses an optical lens and electronic equipment comprising the optical lens, and the optical lens sequentially comprises, from an object side to an image side along an optical axis, a first lens element with negative focal power, wherein the object side surface of the first lens element is a convex surface, and the image side surface of the first lens element is a concave surface; a second lens element with focal power, wherein the object side surface of the second lens element is a concave surface, and the image side surface of the second lens element is a convex surface; a third lens element with positive focal power; a fourth lens element with positive focal power, wherein the object side surface of the fourth lens element is a convex surface, and the image side surface of the fourth lens element is a convex surface; a fifth lens element with positive focal power, wherein the object side surface of the fifth lens element is a convex surface, and the image side surface of the fifth lens element is a convex surface; a sixth lens element with negative focal power; and a seventh lens with positive focal power, wherein the fifth lens and the sixth lens form a balsaming lens.

The invention provides amphiphilic tree-like calixarene used as solubilizer or dispersing agent; a tree-like polyoxyethylene ether chain is connected with the upper end of the calixarene; an alkyl chain is connected with the lower end of the calixarene; and the calixarene can be dissolved in a nonpolar organic solvent and water. The amphiphilic tree-like calixarene can lead naproxen and ibuprofenwhich are difficult to dissolve in water, diminish inflammation, relieve pain and reduce the fever to be easy to dissolve in water, can lead anti-cancer drug camptothecin to effectively disperse in water to become a stable suspension.

The invention discloses a direct full-erect-image Newton binocular reflective telescope which consists of two Newton binocular reflective single-tube telescopes bilaterally arranged in the horizontaldirection in a mirror symmetry way and provided with direct full-erect-image inverting assemblies. Each Newton binocular reflective single-tube telescope consists of a first reflecting mirror, a second reflecting mirror and a third reflecting mirror, wherein the first reflecting mirror is a main mirror, and the second reflecting mirror and the third reflecting mirror form the full-erect-image inverting assembly. The optical axis of the first reflecting mirror is selected as the rotation axis. The single full-erect-image inverting assemblies form visible full-erect real images of a target. Thepaired full-erect-image inverting assemblies rotate around the axes with the single-tube telescopes or independently rotate around the axes, or the positions of the third reflecting mirrors are adjusted in the assemblies, the grouped full-erect real images of the targets are output on the eye lens end horizontal line parallel to the horizontal direction defined by the connecting line of the positions and the central points of the main mirrors of the double-tube system by keeping mirror symmetry operation of the left and right image inverting assemblies, the image surfaces of the grouped full-erect real images are consistent in the horizontal direction, the vertical height difference of the image surfaces is effectively eliminated, the central distance between the image surfaces is adjustable, and the double-eye observing demands of different observers can be met.

The invention discloses an automatic uniform drying system for garment processing, and relates to the field of textile processing. The automatic uniform drying system comprises a bottom plate, the upper surface of the bottom plate communicates with symmetrically distributed supporting frames, and a rail is arranged at the top of a vertical plate and located at the center of the supporting frames. The invention relates to the field of textile processing. According to the automatic uniform drying system for garment processing, moisture generated on a garment fabric piece falls onto an adjusting block through a through leakage hole groove, the adjusting block is a metal pressing plate, the adjusting block acts on a rotating disc to roll to a certain degree, a central circular shaft gradually moves to the left side and the right side along a sliding groove in the top of a blocking frame, the adjusting block impacts a middle rod, the middle rod drags an upper clamping plate and a lower clamping plate to move towards the outer side, an adjusting table drives the middle rod to move, the upper clamping plate and the lower clamping plate are synchronously inserted into the middle of the inner wall of the vertical plate, and therefore the clothing cloth piece on the garment fabric piece is smoother, and the flatness of equipment is adjusted well through the internal stress of a pull rope.

The invention discloses a micron dimension conversion target device for electron beam emittance measurement. The micron dimension conversion target device includes a lower circular seat, the upper end face of the lower circular seat forms a circular groove by recessing inward along the axis and further includes an upper circular seat matched with the lower circular seat, the lower surface of the upper circular seat is provided with a protruding ring protruding downwards and matched with the circular groove of the lower circular seat, and after the protruding ring of the upper circular seat is inserted into the circular groove of the lower circular seat, the film paved on the lower circular seat is expanded to form a minute surface. The micron dimension conversion target device overcomes the defects that a quartz slice is small in size, inconvenient to clean, easy to damage, and inconvenient to install, achieves the aims of simple use, convenient maintaining, and low cost, has the same measurement precision in the various calibers having the diameter ranging from 30-200mm, and greatly improves the adaptive caliber relative to the quartz slice only allowing the diameter of 50-60mm.

The invention discloses an evaporative cooling system of rail transit traction equipment, which comprises a water cooling cavity, an air cooling cavity and a liquid cooling loop, and is characterizedin that a main water inlet pipe and a main water outlet pipe are arranged in the middle of the water cooling cavity and are connected with water cooling plates of power modules in a converter; one endof the main water inlet pipe and one end of the main water outlet pipe are communicated through a transformer heat dissipation assembly, the other end of the main water inlet pipe is connected with adriving part, the other end of the main water outlet pipe is connected with a heat exchanger, and the driving part is connected with the heat exchanger; the heat exchanger is located in the heat dissipation air channel of the air cooling cavity and used for dissipating heat absorbed by the liquid cooling loop into air. The invention further discloses rail transit traction equipment which comprises a converter, a transformer and the evaporative cooling system, all the power modules in the converter are located on the two sides of the water cooling cavity respectively, and the transformer is located at one end of the water cooling cavity. The evaporative cooling system and the rail transit traction equipment have the advantages of being high in integration level, simple and compact in structure, good in heat dissipation effect and the like.

The invention discloses a manual stainless steel powder grinding machine. The manual stainless steel powder grinding machine comprises a main body and is characterized in that a feed port is formed in the main body; a fixing part is arranged at the lower end of the main body; a fixing foot is arranged on the fixing part, and a round hole is formed in the fixing part; a protection foot pad is arranged on the fixing foot; a fixing screw is screwed in the round hole; a ring washer is arranged at the upper end of the fixing screw; a hole site is formed in a rear grinding disc, and the rear grinding disc is fixed to the front end of the main body through screws; a spiral shaft is arranged in the main body; one end of the spiral shaft penetrates through the rear grinding disc to be connected to a front grinding disc, and the front grinding disc is arranged on the spiral shaft in a sleeving mode; a screw rod is screwed on the spiral shaft; a spring is arranged on the screw rod in a sleeving mode; an adjusting screw is arranged at the other end of the screw rod and locks the front grinding disc to extrude the front grinding disc towards the main body to be connected to the rear grinding disc; the other end of the spiral shaft is matched with a crank, and the crank is arranged on the spiral shaft; and a handle is arranged on the crank. The manual stainless steel powder grinding machine has the beneficial effects that stainless steel is adopted, and therefore the environment can be protected, and the safety can be achieved; and the caliber of the feed port is increased so that the feeding amount can be increased, the powder grinding area of the grinding discs can be increased, and therefore the grinding efficiency can be improved.

The invention discloses a novel Nb / Al multilayer film Laue lens applied to hard X-ray wave band focusing. The novel Nb / Al multilayer film Laue lens is characterized in that Nb is used as an absorptionlayer of the Laue lens, and Al is used as a spacing layer. Compared with a Laue lens made of a traditional material, by using a novel material combination of Nb / Al, the higher diffraction efficiencyis achieved, the light intensity of a focusing light spot is effectively improved, the diffraction efficiency peak width calculated through the material combination is 3-4 times the diffraction efficiency peak width calculated through a traditional material combination under the same condition, the precision required during splice polishing is greatly lowered, and a preparation process is simplified. Meanwhile, stress of Al is smaller than that of a traditional Si spacing layer, the aperture of the Laue lens can be increased, thus the light transmission amount of the Laue lens is increased, the light intensity of the focusing light spot is further enhanced, and focusing performance is optimized.

The invention discloses a laser dazzling optical system, which is characterized by comprising a laser source, a collimating lens group, a dodging sheet, a first-stage variable-magnification beam expanding system and a second-stage fixed-magnification beam expanding system. The laser source is used for emitting laser; the collimating lens group collimates the laser emitted by the laser source into parallel light beams; the dodging sheet is used for converting the parallel light beams into uniform parallel light beams; the first-stage variable-magnification beam expanding system is used for expanding the uniform parallel light beams, so that the aperture of the emergent parallel light beams is increased and adjustable; and the second-stage fixed-magnification beam expanding system is used for increasing the aperture of the light beams emitted in parallel again so as to realize a laser dazzling effect. According to the laser dazzling optical system provided by the invention, the action distance and the action area of the light beams are increased, the light beam intensity is more uniform and stable, and no damage is caused to human eyes.

An airborne conformal bearing antenna of the present invention comprises a reflecting plate, a microstrip antenna, a radio frequency connector and a skin, wherein the reflecting plate is of a bearing structure, and the inner side of the reflecting plate is provided with a rear-end device and a fixing interface of the radio frequency connector; the microstrip antenna is fixed at the outer side of the reflecting plate; the skin has a wave-transparent function and is laid at the outer side of the microstrip antenna, and the appearance of the skin is consistent with the aerodynamic appearance of an airplane. After integral forming, the mechanical connection between the conformal antenna and an aircraft structure is realized through the installation holes in the reflecting plate. The airborne conformal bearing antenna has excellent structural rigidity, and the aperture of the airborne conformal antenna can be remarkably improved; the antenna has the capability of hanging a rear-end active device, reduces the loss between the rear-end active device and the antenna, and further improves the power of a detection system.

The invention discloses a power dividing horn antenna and the related array for spatial power combining. The power dividing horn antenna comprises a power distributing radiation aperture, a matching transition section and a waveguide feed line, which are connected in order and seamlessly to form the antenna; wherein, the power distributing radiation aperture comprises a hollow rectangular waveguide and a shaped metal wedge arranged on the wide edge of the hollow rectangle, and the shaped metal wedge divides the aperture of the hollow rectangular waveguide into two same parts; the power distributing horn antenna array used for spatial power combining comprises at least two power distributing horn antennas arranged together tightly. The invention has the advantages that when being used solely, a power distributing horn can provide a higher gain than a normal horn antenna with the same aperture because of an improved electromagnetic field distribution on the aperture; the power distributing horn antenna array prevents grating lobes from generating when increasing the size of the antenna array, which increases significantly the aperture and gain of the spatial power combining antenna,and the effectiveness of power combining.

The invention discloses an externally applied traditional Chinese medicine composition for treating rheumatic arthritis and a preparation method thereof, the externally applied traditional Chinese medicine composition comprises at least two layers of base cloth and an external dressing, a layer of heat conduction material is laid between every two adjacent layers of base cloth, and the external dressing is coated on the surface of the uppermost layer of base cloth; and the external dressing is prepared from notopterygium root, radix angelicae pubescentis, scorpion grass, large-leaved gentian,radix clematidis, caulis spatholobi, cassia twig, peach kernel, bighead atractylodes rhizome, radix paeoniae rubra, angelica sinensis and the like. The traditional Chinese medicine composition is reasonable in process design and proper in component proportion, the prepared traditional Chinese medicine composition needs to be used by assisting infrared rays, heat can be generated through the infrared rays in the using process, and therefore hot compress is conducted on joints, and arthralgia is relieved while the effect of the external dressing is improved; the external dressing combines the functions of clearing heat, dispersing blood stasis, resolving dampness, dispelling wind, promoting blood circulation and tonifying kidney, and can be used for effectively treating rheumatism or rheumatoid arthritis and other diseases.

The invention discloses a near-field filter and laser transverse mode control system based on nonlinear frequency conversion, which includes a laser end mirror, a polarizer, a gain medium and a pump source, a nonlinear frequency doubling crystal, a dichroic mirror and a precision translation A near-field filter and laser transverse mode control system is composed of a laser, a nonlinear frequency conversion crystal and a dichroic mirror. The present invention also constructs a new near-field filter method based on nonlinear effects, which can control the number of transverse modes of the laser. In the system and method of the present invention, in the nonlinear frequency conversion process, the high-order transverse mode conversion efficiency is low, and the laser cavity will be leaked from the dichroic mirror, and the low-order mode will be converted back to the fundamental frequency during the reverse transmission process, thereby Trapped in the laser cavity to oscillate, and finally achieve laser transverse mode control.

The invention discloses a TPU high-pressure water hose production process and full-automatic production equipment thereof. The production process comprises the following steps that a, base cloth pretreatment is achieved: a low-shrinkage and high-strength base cloth roll is selected as gray cloth; water-based PU adhesive or TPU hot melt adhesive is coated on the gray cloth by using a blade coating machine, drying and rolling are achieved; b, base cloth and a TPU wear-resistant layer are bonded: tape casting is carried out on TPU by using a tape casting machine to form the TPU wear-resistant layer, the TPU wear-resistant layer is pressed into a plane, drying and rolling are achieved; c, double-sided coating is achieved: the TPU wear-resistant layer and the inner layer of the base cloth are bonded to form double surfaces; d, slitting and rolling are conducted, specifically, slitting and rolling are conducted according to the width of the product specification; and e, hot-press forming is achieved: the two ends of the base cloth are overlapped, and hot-press sealing forming is performed in a special hot press for hot-press sealing forming; and a finished product is rolled, and cooling is achieved to obtain a water hose. The TPU high-pressure water hose production process and the full-automatic production equipment thereof has the following beneficial effects that the TPU high-pressure water hose which is large in caliber, wide in application range, high in pressure resistance, light in weight, high in oil resistance, wear resistance and low-temperature resistance and finally long in service life can be provided by the TPU high-pressure water hose production process.

The invention discloses a balanced direct-acting type surge relief valve. A sleeve (3) is arranged on a valve seat (2) in a valve body (1), the sleeve (3) is positioned by a valve deck (9), an overflow hole for connecting an inlet end (1.1) with an outlet end (1.2) is formed in the side wall, close to one end of the valve seat (2), of the sleeve (3). A sealed adjusting cylinder (4) corresponding to the inlet end (1.1) of the valve body (1) is arranged in the sleeve (3). The inlet end (1.1) and the outlet end (1.2) are connected or disconnected when the adjusting cylinder (4) moves up and down. A piston cylinder (7) is mounted on the inner side, close to the valve body (1), of the valve deck (9). A piston (6) is arranged in the piston cylinder (7). The adjusting cylinder (4) is connected with the piston (6) through a valve rod (5). One end of a communicating pipe (8) is connected with the valve rod (5), and the other end of the communicating pipe (8) penetrates the valve deck (9), extends out of the outer side of the valve deck (9) and is connected with a buffer device. The balanced direct-acting type surge relief valve has the beneficial effects that the surge relief valve is capable of being suitable for the large-calibre high-pressure working conditions, real-time fast opening can be achieved when the water attack happens, stable, controllable and slow closing can be achieved after pressure relief is completed, and safe and effective operation of a pipe network system can be guaranteed.

The invention discloses a novel low-profile high-gain vehicle-mounted antenna. The vehicle-mounted antenna comprises a metal layer, a matching circuit and an automobile metal shell, wherein an annularnotch is formed in the top edge of the metal layer; the length of the inner ring of the annular notch determines the center frequency of the working frequency interval of the antenna; the metal layeris connected with a signal source after passing through the matching circuit; and the metal layer and the matching circuit are mounted at the top part of the automobile metal shell, so that radiationand collection of signals can be realized by fully utilizing the metal shell. Compared with a traditional shark fin antenna and a glass antenna, the novel low-profile high-gain vehicle-mounted antenna is low in profile, capable of fully utilizing the automobile body as the bottom of the antenna, and higher in gain; the working frequency of the antenna can be adjusted in a large range through a tuning circuit and is not influenced by the structure of the vehicle body, so that the antenna has the advantages of being convenient to install and wide in application range, and can be used for replacing various existing vehicle-mounted communication antennas.

The invention discloses an optical lens and imaging equipment comprising the optical lens. The optical lens can sequentially comprise a first lens, a second lens, a third lens, a fourth lens and a fifth lens from the object side to the image side along the optical axis, wherein the first lens can have negative focal power, and the object side surface and the image side surface of the first lens are concave surfaces; the second lens can have negative focal power, the object side surface of the second lens is a convex surface, and the image side surface is a concave surface; the third lens can have positive focal power, and the object side surface and the image side surface of the third lens are convex surfaces; the fourth lens can have positive focal power, and the object side surface and the image side surface of the fourth lens are convex surfaces; and the fifth lens can have negative focal power, and the object side surface and the image side surface of the fifth lens are concave surfaces. According to the optical lens provided by the invention, at least one of the beneficial effects of high resolution, miniaturization, large angular resolution, small aperture, long back focus, low cost and the like can be realized.