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3711results about How to "Play a fixed role" patented technology

Intelligent classification dustbin

The invention relates to an intelligent classification dustbin. The intelligent classification dustbin is characterized by comprising a base, a rotating driving mechanism, a center shaft, a rotary table, a classification bin and a bin lid unit, the base and the bottom of the center shaft are fixedly installed, the rotating driving mechanism comprises a driving plate and a driving motor, the driving plate is rotatably installed at the bottom of the center shaft, the rotary table which is located above the driving plate is rotatably installed on the center shaft, the rotary table is connected with the driving plate through a connecting column, the classification bin is installed on the rotary table and comprises multiple bin bodies, the bin lid unit is installed on the upper portion of the center shaft, the bin lid unit comprises a support, a bin lid covering the classification bin and an intelligent starting control panel located on the bin lid, the support is horizontally fixed on the top of the center shaft, the bin lid is installed on the support, and the bin lid is provided with an inlet opening capable of being opened and closed automatically. According to the intelligent classification dustbin, the structural design is scientific and reasonable, garbage can be subjected to detailed classification and recycled, maximized recycling of the garbage can be achieved, bacterial infection can be avoided, and odor dispersion is prevented.
Owner:TIANJIN LIGHT IND VOCATION TECHN COLLEGE

Convenient undisturbed soil taking device

InactiveCN105954059AGuaranteed original propertiesAvoid re-squeezingWithdrawing sample devicesEngineeringPiston
The invention discloses a convenient undisturbed soil taking device and relates to the technical field of soil taking tools. The undisturbed soil taking device comprises a base, a drilling pipe, a sampling pipe and a sample releasing device; the base is fixedly mounted on the ground to be sampled; the drilling pipe is clamped into the base, the top of the drilling pipe is provided with a handle for driving the drilling pipe to rotate, and the bottom of the drilling pipe is provided with sampling cutting edges which are vertically and spirally distributed; the sampling pipe is sleeved with the drilling pipe, and the sampling pipe can slide up and down along the inner wall of the drilling pipe; the sample releasing device comprises a sample releasing piston arranged at the top of the sampling pipe, and the sample releasing piston is provided with a sampling handle exposed out of the handle. The base plays a role of fixation, verticality of sampling is guaranteed, and labor intensity is lowered; a rotary-cut sampling mode is adopted, in the sampling process, soil is not or slightly disturbed, and the undisturbed feature of taken soil is guaranteed; by means of sample releasing design, secondary squeezing of taken soil by the sample releasing piston in a traditional sample releasing process is avoided.
Owner:QINGDAO AGRI UNIV

Device for collecting spinning dust of spinning machine

The invention provides a device for collecting spinning dust of a spinning machine, and relates to the field of spinning equipment. The device comprises a base, wherein a pushing rod is fixedly mounted at the left side of the top part of the base; a pushing handle is fixedly mounted at one end of the pushing rod; an antiskid layer is arranged on the surface of the pushing handle; a box body is fixedly mounted on the top part of the base; a water tank is fixedly mounted on the top part of the box body; a dust collecting pipe is fixedly mounted at the right side of the box body; an air pump is fixedly mounted in the dust collecting pipe. According to the device, an air sucking device is arranged and used for driving a first motor to drive fan blades to rotate, thus air is driven to flow through the rotating fan blades, and collecting force is accordingly produced, and as a result, the spinning dust can be collected into the box body from an air collecting cover. Therefore, the spinning dust is conveniently collected; the dust collecting efficiency is greatly improved; the air quality of a spinning workshop is improved; the damage to operators is reduced; moving wheels are arranged and facilitate the device moving, thus the device is suitable for all workshops, and the practicability is greatly improved.
Owner:湖州南浔富龙纺织有限公司

Connecting bracket assembly of steering support and front wall panel

The invention relates to a connecting bracket assembly of a steering support and a front wall panel for connecting the steering support of an automobile with the front wall panel of the vehicle body. The connecting bracket assembly comprises a steering support transverse pipe, and a steering column mounting bracket and a front wall panel connecting bracket which are welded with the steering support transverse pipe respectively; the front wall panel connecting bracket is a sheet metal part with U-shaped cross section, and the two side faces of the sheet metal part have triangular shapes; the front wall panel connecting bracket is welded with the steering support transverse pipe through a first top end of the triangular side face of the sheet metal part; and one edge, adjacent to the first top end, of the triangular side face is welded with the steering column mounting bracket. The connecting bracket assembly has high structural strength, improves the rigidity and the strength for the connection between the steering support of the automobile and the front wall panel of the vehicle body, and prevents the resonance with the low frequency vibration transferred from an engine compartment; and the connecting bracket assembly is directly connected with the steering column, and the front wall panel and the steering support simultaneously fix the steering column, so that the vibration of the steering column is reduced.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Mini LED backlight source, preparation method thereof and backlight source module

The invention discloses a mini LED backlight source, a preparation method thereof and a backlight source module, relating to the technical field of display. The mini LED backlight source comprises a substrate, a light reflection layer, a protection layer and multiple Mini LED chips. The substrate comprises multiple electrically-connected terminal pairs exposed on a first surface of the substrate.The light reflection layer is arranged on the first surface of the substrate. The reflection rate of the light reflection layer is n1 larger than or equal to 90%. The protection layer is arranged on the surface away from the substrate on the light reflection layer. The Mini LED chips are arranged on the first surface of the substrate and electrically connected with the electrically-connected terminals in the form of one-to-one correspondence. A light reflection layer is arranged between at least partially-adjacent Mini LED chips. The orthographic projection where the light reflection layer islocated on a plane of the substrate does not intersect with the Mini LED chips. The orthographic projection where the light reflection layer is located on the plane does not intersect with the Mini LED chips. The distance between the surface, away from the substrate, of the protection layer and the substrate is D1. The distance between the surface, away from the substrate, of the Mini LED chips and the substrate is D2. D1 is smaller than or equal to D2. Brightness of the backlight source is increased while power consumption is reduced.
Owner:SHANGHAI AVIC OPTOELECTRONICS

Multimode occulting antenna with stable phase center

A multimode occulting antenna with a stable phase center comprises a reflection cavity, a lower radiation paster, an upper radiation paster, four feed probe sleeves, four feed probe inner cores and two support columns. Each feed probe sleeve comprises a metal seat and filler, one end of the metal seat is a metal column, the other end of the metal seat is a cylindrical metal cavity, and the filler is used for filling the cylindrical cavity of the metal seat. The sleeve-shaped probes are coupled with feed through four points, probes are uniformly distributed on the circumference, an aerial radiation paster consists of an upper layer and a lower layer, the lower layer is coupled with the feed through the sleeve-shaped probes, the upper layer is coupled with the feed through the lower radiation paster, the middle is supported by the metal support columns, and the reflection cavity is of a round bowl-shaped structure and higher than the upper radiation paster. The occulting antenna is excellent in performance and structure, simple and reliable in process, wide in frequency band, capable of meeting use requirements of a GPS (global positioning system), BD-2, GALILEO and GLONASS, wide in beam coverage, high in gain, stable in phase center, excellent in axial ratio performance, and applicable to a precise obscuration detection system and other high-precision detection systems.
Owner:SPACE STAR TECH CO LTD

Steel pipe cutting grinding machine

The invention discloses a steel pipe cutting grinding machine. The steel pipe cutting grinding machine comprises a stander, an adjusting fixing device, a cutting cutter and a cutter supporting frame, wherein a power device is installed in the cutter supporting frame, two ends of the stander are provided with a height adjusting device and a steel pipe supporting device and a control device, respectively; the right side of the power device is connected with a grinding device by virtue of the drive of a gear box, and a chipping box is arranged on the stander and is corresponding to the grinding device; and the adjusting fixing device comprises two fixed metal plates, two movable metal plates and an adjusting mechanism. The steel pipe cutting grinding machine is simple in structure, reasonable in design and convenient to operate; and a motor is controlled by virtue of the control device to convey a steel pipe, so that the cutting of the steel pipe to be cut can be rapidly and effectively completed, and the length of the steel pipe can be guaranteed. Moreover, steel pipes of different diameters can be fixed by virtue of simple adjustment, and the fixing device does not need to be replaced. By virtue of the grinding device, burrs produced due to the cutting can be removed, and the quality of the cut steel pipe is good.
Owner:TIANJIN XINDAYUAN METAL PROD

Chipless cutting and grinding machine for steel pipe

The invention discloses a chipless cutting and grinding machine for a steel pipe. The chipless cutting and grinding machine comprises a rack, an adjusting and fixing device, a cutting cutter and a cutter supporting frame. A power device is arranged in the cutter supporting frame. A height adjusting device is arranged at one end of the rack, and a steel pipe supporting device and a control device are arranged at the other end of the rack. The adjusting and fixing device comprises two fixed metal plates, two movable metal plates, an adjusting mechanism and a chipless mechanism. The right side of the power device is in drive connection with a grinding device through a gear case. The rack is provided with a chipping box corresponding to the grinding device. The chipless cutting and grinding machine is simple in structure, reasonable in design, convenient to operate and capable of rapidly and effectively cutting the steel pipe needing to be cut. A fixing function can be achieved for steel pipes with different diameters through simple operation and adjustment, and no fixing device needs to be replaced. During cutting, the steel pipe and the cutter synchronously rotate, and generation of metal chippings is reduced. By means of arrangement of the grinding device, burrs generated due to cutting are removed, and the quality of the cut steel pipe is good.
Owner:TIANJIN XINDAYUAN METAL PROD

Pressure sensor encapsulation structure containing silicon through holes

The invention provides a pressure sensor encapsulation structure containing silicon through holes, which uses a silicon base to substitute a traditional boron-phosphorosilicate glass base, and adopts a flip chip bonding technology and a bonding technology (such as CuSn bonding, AuSn eutectic bonding, Cu-Cu bonding and Au-Au bonding) to realize the airtight vacuum encapsulation of pressure sensors; a monocycle or bi-cycle bonding metal ring is adopted for encapsulation, and plays the role of reducing the bonding stress on the encapsulation of the pressure sensors with different piezoresistance strip distribution under the condition of ensuring the measurement sensitivity; and conductive columns are adopted for replacing metal wires to be used as signal lead wires, so the mutual connection reliability is increased. Compared with encapsulation structures of the silicon glass electrostatic bonding technology, the metal wire bonding technology, the metal isolating membrane technology and the airtight cavity silicone oil filling technology which are adopted traditionally, the pressure sensor encapsulation structure cancelled silicone oil filling and the metal isolating membrane, contributes to the improvement in the pressure sensor sensitivity, can also be used for dynamic pressure detection, and has the advantages of small size and high integration level.
Owner:PEKING UNIV

Fiber laser cutting machine

The invention relates to the field of laser cutting machines, in particular to a fiber laser cutting machine. The fiber laser cutting machine comprises a master control device, a work machine table, linear guide rails, a cross beam assembly, a transverse moving assembly, a height lifting assembly and a laser cutting head. The linear guide rails are arranged on the two sides of the work machine table in the length direction of the work machine table. The cross beam assembly is arranged between the two linear guider rails in a suspended manner and can slide along the two linear guide rails. The transverse moving assembly is arranged on the cross beam assembly and can slide in the length direction of the cross beam assembly. The height lifting assembly is fixed to the lower end of the transverse moving assembly. The laser cutting head is fixed to the lower end of the height lifting assembly. Two sets of conveying devices are arranged between two fixed bed frames and the work machine table. Each conveying device comprises a lifting table, a conveying belt and a motor for driving the conveying belt. The conveying belts and the motors are mounted on the lifting tables. The lifting tables and the motors are all connected with the master control device. According to the fiber laser cutting machine, automatic feeding can be achieved, and meanwhile a clamping device is arranged.
Owner:TIANJIN HONGGUANG WEIYE LASER TECH CO LTD

Positioning and fixing device for automobile part stamping die

The invention discloses a positioning and fixing device for an automobile part stamping die. The positioning and fixing device comprises a plate surface, a movable groove is formed in the upper surface of the plate surface, and baffle plates are arranged at the two ends of the plate surface; a fixed body is arranged on the right side of each baffle plate, a spring is arranged on the right side of each fixed body, and a top body is arranged on the right side of each spring; fixed ends are arranged on the lower part of the plate surface, elastic support bodies are arranged on the lower parts of the fixed ends, a compression plate is arranged on the lower parts of the elastic support bodies, and an air bag cavity is formed in the lower part of the compression plate; piston floating bodies are arranged at the lower end openings of hydraulic cabins, and upper floating bodies are arranged at the upper end openings of the hydraulic cabins; connecting blocks are arranged on the lower end surfaces of the floating bodies, connecting rods are arranged at the lower ends of the connecting blocks, and pressing bodies are arranged at the bottom ends of the connecting rods; fixing feet are arranged at the bottom end of the air bag cavity; and protective shells are arranged on the outer sides of the surfaces of the hydraulic cabins. The positioning and fixing device solves the problems that the surface of a part is worn due to the traditional device and a fixed position is offset due to the traditional device, and further solves the problem that the pressure of the existing device needs to be adjusted by human power.
Owner:温州天和汽车部件有限公司

Tri-band satellite navigation antenna for COMPASS, GPS and GLONASS

A tri-band satellite navigation antenna for a COMPASS, a GPS and a GLONASS comprises three layers of micro-strip antenna bodies, feed coaxial probes, metal clamp plates, strip line mediums, feed networks and a set of metal screws. High-dielectric-constant ceramic mediums are adopted in all the mediums of the three layers of micro-strip antenna bodies so as to reduce the size of the antenna. Circular polarization of the first-layer micro-strip antenna body is realized through the methods of single-point feed and angle cutting on a metal patch, and circular polarization of the second-layer micro-strip antenna body and circular polarization of the third-layer micro-strip antenna body are realized through double-point feed. The number of the feed probes contained in the medium of each layer of micro-strip antenna body is not more than two, so that three ports have better electromagnetic isolation. The set of metal screws is arranged around the micro-strip antenna bodies, the metal screws can be used for fixing the metal clamping plates and strip line feed layers, and the metal screws can also expand the lobe width of the antenna. The tri-band three-port antenna has the advantages of being small in size, low in section, wide in lobe, good in low elevation angle gain and axial ratio and high in port insulation degree, and suiting to be used as a satellite navigation terminal receiving antenna.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA

Automatic grinding machine for automobile shifting fork

The invention relates to the field of automobile part machining, in particular to an automatic grinding machine for an automobile shifting fork. The automatic grinding machine comprises a base and further comprises a feeding station, a first grinding station, a second grinding station, a discharging station and a rotating workbench; the rotating workbench comprises a fixture installing table, thefixture installing table is horizontally arranged on an index plate and provided with four workpiece fixtures used for containing and clamping workpieces, and the feeding station, the first grinding station, the second grinding station and the discharging station are clockwise and sequentially arranged along the periphery of the fixture installing table and correspond to the workpiece fixtures arranged on the fixture installing table one to one in a working state; the feeding station comprises a feeding mechanical arm used for putting the workpieces on the workpiece fixtures; the first grinding station comprises a first grinding mechanism used for grinding the workpieces; the second grinding station comprises a second grinding mechanism used for grinding the workpieces; and the dischargingstation comprises a discharging mechanical arm. Therefore, the problems that the human cost input is high, and the yield is low are solved.
Owner:南理工泰兴智能制造研究院有限公司
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