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50results about How to "There will be no mutual interference" patented technology

Small molecule probe based on nano-gold and aptamer and preparation method of small molecule probe

The invention discloses a small molecule probe based on nano-gold and aptamer and a preparation method of the small molecule probe. The small molecule probe comprises nano-gold particles, more than one type of sulfydryl modifying deoxyribonucleic acid (DNA) fragment assembled on the nano-gold particles and more than one type of aptamer which is marked by fluorescent groups, and at least a part of fragments of the more than one type of the aptamer are complemented and hybridized with the more than one type of sulfydryl modifying DNA group. The small molecule probe is short in detecting time, simple in operation, high in specificity, good in repeatability, high in accuracy, and the false positive result is effectively reduced. By means of the aptamer technology, a high detection sensibility is achieved, and various molecules can be simultaneously detected.
Owner:华森新科(苏州)纳米技术有限公司

Elevator rolling guide shoe with brake function

The invention provides an elevator rolling guide shoe with a brake function. The elevator rolling guide shoe is provided with a rolling guide wheel mechanism, hydraulic execution mechanisms and stop mechanisms, wherein three guide wheels of the rolling guide wheel mechanism cling to three working surfaces of a T-shaped guide rail and are used for limiting the horizontal movement of an elevator car; the hydraulic execution mechanisms are connected with the guide wheels of the guide shoe and used for determining whether pressures are applied to the guide wheels according to a detected elevator running state; and the stop mechanisms are integrated in the guide wheels and used for stopping the guide wheels when an elevator is in a post stall state and enabling the guide wheels to tightly hold the guide rail in combination with pressing forces provided by the hydraulic execution mechanisms, so that the emergency braking is achieved; and each stop mechanism is composed of the following parts: a guide shoe base, a long connecting rod, a main swing rod, a secondary swing rod, a brake bottom plate, a hydraulic wheel cylinder, a brake shoe, a brake pad and a brake drum covered by wear-resistant rubber.
Owner:SHANGHAI UNIV

Movable mechanism of printing nozzle and 3D printer with movable system

The invention discloses a movable mechanism of a printing nozzle and a 3D printer with the movable system. The movable mechanism comprises a bracket, a rotary disk and a lifting mechanism capable of enabling the rotary disk to move up and down in a vertical direction, wherein the lifting mechanism is connected with the bracket; the rotary disk is mounted on the lifting mechanism through a rotary connection part; N printing nozzles are arranged on the rotary disk; N is a positive integer; when N is equal to 1, the printing nozzle is arranged on a sliding block; the sliding block is arranged in a sliding slot or a sliding rail on the rotary disk, and the sliding block is capable of sliding along the sliding slot or the sliding rail; when N is greater than or equal to 2, each printing nozzle is arranged on a sliding block; each sliding block is arranged in a sliding slot or a sliding rail on the rotary disk, and the sliding block is capable of moving along the sliding slot or the sliding rail. Through the adoption of the movable mechanism of the printing nozzle, the printing efficiency and the printing accuracy of the 3D printer can be effectively improved.
Owner:刘文斌

Break detecting device of sewing machine needle

InactiveCN101109137AReduce exposure to proximity sensorsEasy to masterSewing-machine control devicesProximity sensorAudio power amplifier
Provided is a needle breaking detection apparatus applied on the multi-needle sewing machine whose needles do not contact with the sensor besides the right needle. The needle breaking detection apparatus for the sewing machine has an approaching sensor disposed below the needle plate in order to detect the existence of the needle and further judge the needle breaking based on the existence of the needle. A plurality of approaching sensors are arranged based on the numbers of the left-and-right needle disposed in parallel in the needle break detection apparatus for the sewing machine. Amplifiers are connected to the approaching sensors with the function of interference prevention. The needle breaking is judged by comparing the predetermined needle numbers and the total needle numbers detected by the approaching sensor.
Owner:PEGASUS SEWING MASCH MFG CO LTD

Specific detection method and kit for trace amount of breast cancer cells in circulating blood

The invention provides a specific detection method for a trace amount of breast adenocarcinoma cells in circulatory blood volume, which comprises: mixing a first adaptor coupled with a magnetic particle and a second adaptor coupled with nano gold particles with a sample to be mixed separately or at the same time; and detecting, identifying and / or quantifying target molecules. In addition, the invention also relates to a reagent for treating the blood sample to be treated, an intermediate, a detection kit and the like, which are used in the method. The method is simple and convenient for use and has high sensitivity, high specificity, high repeatability, quick result delivery, no need of complex instruments, and no special skills. Particularly, even if the sample to be detected is detecteddirectly without accurate purification, the method can still keep practical sensitivity and specificity; and thus, the detection operation is facilitated greatly, the consumption of a reagent is saved, the detection process is accelerated, and the method and the kit can be promoted for actual industrial application.
Owner:SUZHOU YOULIN BIO TECH

Multi-wavelength LED structure and making process thereof

InactiveCN1838437ATrue colorPortion is easy to controlSemiconductor devicesFluorescenceMulti wavelength
This invention arranges at least one fluorescence material with fixed wavelength at the bottom and above the periphery of the luminous chip, when the luminous chip electrifies, it actives the luminous chip to form colored light with high luminous efficient, which can avoid disturbance, and because the fluorescence material's deal and proportion of different parts are easy to control, so this method is benefit for controlling the quality of the multi-wavelength radiation dipolar and its production.
Owner:TAIWAN OASIS TECH CO LTD

Protection device for accelerator mistaken stepping in car emergency braking

The invention provides a protection device for accelerator mistaken stepping in car emergency braking. The device is characterized in that the device comprises a braking foot bar, an accelerator foot bar, a locking mechanism and a mounting seat; the braking foot bar and the accelerator foot bar are mounted on a left ear base and a right ear base of the two ends of the mounting seat through a circular column of the left end of an outer ring and a core shaft correspondingly and axially fixed through flat keys; the locking mechanism comprises the outer ring and a star wheel, the star wheel is mounted in the outer ring, and a baffle is mounted at the right end of the star wheel; wedge-shaped grooves are formed in the star wheel, friction rollers are mounted in the wedge-shaped grooves and pressed at the larger-diameter ends of the wedge-shaped grooves through sensitive springs; and the star wheel and the core shaft are connected through a spline, block columns are arranged on the baffle and the mounting seat to enable a volute spiral spring mounted between the block columns to have compressed elastic potential energy, and the mounting seat is fixed to the corresponding position which a right foot in a vehicle can reach through a bolt set. According to the device, accelerator mistaken stepping can be effectively judged, and rapid response is achieved; and the device is simple in structure, safe and reliable. When danger is removed, automatic resetting of the protection device can be achieved only by loosening the foot.
Owner:ANHUI UNIV OF SCI & TECH

Spring for a slide module, and slide module using same

InactiveCN101854405AFlexible use of swipe operationStability and durabilityTorsion springsTransmissionLine segmentStructural stability
The present invention relates to a spring for a slide module, which is applied to a small terminal having a slide module and a electrical line such as a data line or a power line penetrating therethrough, such as a portable communication terminal operating in a sliding system, to reduce the thickness of the terminal employing the spring, and wherein said spring has a structural stability to maintain the elasticity or shape thereof in a good condition, and to thus smoothly assist in the sliding motion of the terminal over a long period of time. The spring for a slide module according to the present invention couples units of a slide-type portable terminal operating when supplied with power such that the units are slidable relative to one another, and comprises a coil unit and a pair of leg units. The coil unit includes an interconnection portion, and a first coil and a second coil which are stacked into layers, in such a manner that at least a portion of the first coil and at least a portion of the second coil are out of line when viewed from the front of the circle of the layer to enable the circle of the layer of the first coil and the circle of the layer of the second coil to have different centers. The leg units are extended in opposite directions, from each end of the first coil and the second coil, and the extended ends of the leg units are rotatably coupled to the slide module. The coil unit and the leg units are formed into a shape in which two sides facing each other are parallel to each other, and the segment perpendicularly interconnecting said two sides has a length shorter than that of any one of said two sides in the cross-section in the thickness direction of the shape.
Owner:郑义先

Spatial coding structured light three-dimensional scanning method and system

ActiveCN111336949AAvoid breakingStrong ability to restore geometric detailsUsing optical meansPattern recognitionPoint cloud
The invention provides a spatial coding structured light three-dimensional scanning method and system. The method comprises the steps: designing a single-frame spatial coding pattern which comprises adecoding point for decoding and an encryption point for encryption; projecting a pre-coded single-frame space coding pattern to the surface of a measured object through a projector; shooting the space coding pattern modulated by the object by a camera, and extracting an image decoding point and an encryption point; determining a candidate projector column number of a decoding point by utilizing ahorizontal epipolar constraint and a neighborhood relative displacement relationship ; constructing and updating a statistical weight array of the decoding point, and deleting and selecting the candidate projector column number of the decoding point according to the statistical weight array; deducing the projector column number of the encryption point according to the projector column number of the decoding point; and reconstructing a point cloud according to the image coordinates of the decoding point and the encryption point and the corresponding projector column number. Therefore, problemsthat a traditional spatial coding structure is low in light robustness, poor in precision, large in decoding requirement for image space, poor in expansibility and the like are solved.
Owner:武汉玄景科技有限公司

Mammaglobin mRNA detection method and reagent thereof

The invention provides a method for detecting and / or quantifying mammaglobin mRNA (messenger ribonucleic acid) in a sample. The method comprises the steps of providing first aptamers coupled with magnetic particles and second aptamers coupled with gold nanoparticles, mixing, preforming magnetic separation and detecting products of magnetic separation. The invention further relates to a to-be-detected blood sample pretreatment reagent, an intermediate product, a detection kit and the like, which are used in the method.
Owner:SUZHOU YOULIN BIO TECH

Fixing mechanism used for ice surface punching device

The invention relates to the technical field of ice surface drilling equipment, and discloses a fixing mechanism used for an ice surface punching device. The fixing mechanism used for the ice surfacepunching device comprises a transmission connection rod, wherein a driving mechanism is arranged at the top end of the transmission connection rod, the middle portion of the outer surface of the transmission connection rod is movably sleeved with a fixing support, outer surfaces of both ends of the fixing support are movably sleeved with movable sliding sleeves, the portions, located under the movable sliding sleeves, on the outer surfaces of the two ends of the fixing support are movably sleeved with reset springs, and one end of each movable sliding sleeve is movably connected with a corresponding supporting connection rod. According to the fixing mechanism used for the ice surface punching device, by arranging broken-line-type structures on two sides of the fixing support and by settingan included angle of the broken-line-type structures on the two sides of the fixing support, when an operator bends down to punch holes, positions of the operator and the transmission connection rodcan be staggered mutually, and thus the phenomenon of mutual disturbance of the operator and the transmission connection rod when the operator punches holes in an ice surface is avoided, so that the stability and the reliability of the fixing mechanism are further improved.
Owner:山东宝成制冷设备有限公司

Double-channel rotary table assembly

The invention discloses a double-channel rotary table assembly. The double-channel rotary table assembly comprises a barrel-shaped mounting seat, wherein a central shaft, which can rotate along the radial direction, is mounted in the barrel-shaped mounting seat; a rotary table module is fixedly arranged at the outer side of the upper part of the central shaft; the rotary table module comprises a rotary table; a rotary table lower stopping disc is arranged at the lower part of a rotary table plate; a vacuum friction sheet is arranged at the outer side of the upper part of the rotary table; a rotary table pressing plate is fixedly arranged at the inner side of the upper part of the rotary table; a vacuum ventilation block is arranged at the upper part of the vacuum friction sheet; a first vacuum connector is arranged at the upper part of the central shaft; a second vacuum connector is mounted at the upper part of the vacuum ventilation block; a first vacuum channel and a second vacuum channel are formed in the rotary table; the first vacuum channel is communicated with the first vacuum connector; the second vacuum channel is communicated with the second vacuum connector. The double-channel rotary table assembly disclosed by the invention has the advantages of stable performance, high reliability, high working efficiency and the like which do not belong to the prior art.
Owner:SHENZHEN GOOD MACHINE AUTOMATIC EQUIP

Simple platform for climbing operation

The invention belongs to the technical field of climbing tools for operation on power transmission, distribution and transformation towers, and especially designs a simple platform for climbing operation. The platform includes a first arc clamp, a second arc clamp, and a support mechanism. A first flange plate is arranged at one end of the first arc clamp, and a spring buckle is arranged at the other end of the first arc clamp. A second flange plate is arranged at one end of the second arc clamp, and a connecting plate is arranged at the other end of the second arc clamp. The connecting plate is provided with a plurality of slots. A length adjustment mechanism is arranged between the first flange plate and the second flange plate. The spring buckle is clamped into the slots. One end of the support mechanism is fixedly connected with the second arc clamp. Through the first arc clamp and the second arc clamp with adjustable width, the simple platform can be quickly disassembled and assembled on poles of different sizes. The support mechanism provides a standing work platform. The convenience in the use of the simple platform is improved.
Owner:国网河南省电力公司西峡县供电公司

Control panel structure of laundry machine

The invention discloses a control panel structure of washing machine that includes PCB and the casing guiding for installing the PCB. The casing guiding includes a sustain rib and at least a block angle. The control panel structure would not cause the phenomenon of disturbing with each other while installing the PCB into the casing guiding. Thus, the PCB would not be damaged and could be easily installed.
Owner:LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD

High-flux drug detection micro-fluidic chip and application

The invention provides a high-flux drug detection micro-fluidic chip. The high-flux drug detection micro-fluidic chip consists of a substrate layer, a modification layer and a reaction layer, wherein the reaction layer consists of n reaction modules; each reaction module consists of an entrance, a reaction channel and an outlet. The chip modified by polylysine is hydrophilic, facilitates a sample to be detected to flow into the chip, and has an adsorption effect on drug complete antigens; the polylysine of the modification layer is matched with PDMS (Polydimethylsiloxane) of the reaction layer, so that the hydrophilic feature of the polylysine can be combined with the high-protein adsorption feature of the PDMS to achieve a better detection effect; detection of different samples occurs in different reaction channels, so that the phenomenon of mutual interference is avoided, and non-specific adsorption is lowered; a single chip is provided with a plurality of reaction modules to realize high-flux rapid result detection and analysis; the sizes, intervals and number of the reaction modules can be adjusted as required to realize simultaneous field detection of a plurality of samples and drugs, so that different detection requirements are met.
Owner:ZHEJIANG UNIV +1

Squeezing leaching integral machine for oil refining

The invention relates to the field of oil refining and in particular relates to a squeezing leaching integral machine for oil refining. The machine comprises a rack and a square oil refining cylinder,wherein the square oil refining cylinder is arranged on the rack; a squeezing support frame of which the lower part is a net plate is arranged in the middle of the oil refining cylinder; an oil outlet and a mixed liquid outlet are respectively formed in the left side and the right side of the lower part of the oil refining cylinder; an upper cover is arranged at the upper end of the oil refiningcylinder; a squeezing cylinder which is arranged vertically is arranged at the lower part of the upper cover; the lower part of the squeezing cylinder is connected with a squeezing block which is matched with the squeezing support frame; a feeding hole and a leaching liquid inlet hole are formed in a part above the squeezing support frame, of the oil refining cylinder. The invention aims to provide the squeezing leaching integral machine for oil refining, squeezing oil refining and soaking oil refining can be integrally achieved, in addition, mutual interference can be avoided, a good oil product of squeezing oil refining can be ensured, meanwhile, the oil yield can be increased in a leaching mode, and the economic values of crops can be increased.
Owner:DONGGUAN UNIV OF TECH

Power cabinet for sample pneumatic conveying system

The invention discloses a power cabinet for a sample pneumatic conveying system. The power cabinet comprises a cabinet body. A fan capable of blowing air and sucking air, an outside communicating vent pipe used for communicating with the outside, a pipe communicating vent pipe used for communicating with a pneumatic conveying pipe and a four-way ball valve are arranged in the cabinet body. The four-way ball valve communicates with the outside communicating vent pipe, the pipe communicating vent pipe and an air inlet and an air outlet of the fan at the same time. During air blowing pneumatic conveying, outside air sequentially passes through the outside communicating vent pipe, the four-way ball valve and the air inlet to be sucked into the fan and then sequentially passes through the air outlet, the four-way ball valve and the pipe communicating vent pipe to be blown into the pneumatic conveying pipe. During air sucking pneumatic conveying, the air in the pneumatic conveying pipe sequentially passes through the pipe communicating vent pipe, the four-way ball valve and the air inlet to be sucked into the fan and then sequentially passes through the air outlet, the four-way ball valve and the outside communicating vent pipe to be discharged into the outside. The power cabinet has the beneficial effects of being simple and compact in structure, low in cost, environment-friendly, safe, easy to mount and maintain and good in pneumatic conveying effect.
Owner:HUNAN SUNDY SCI & TECH DEV

An explosion-proof flame-retardant computer cable used in explosive places

The invention relates to the technical field of computer cables, in particular to an explosion-proof flame-retardant computer cable used in an explosive place, comprising an inner core of the cable, an inner shield layer, a flame-retardant layer, an outer shield layer and a fire-retardant sheath layer. The inner core of the cable is provided with a plurality of cores, wherein, any one of the coresis arranged at the center of the cable, and the remaining cores are evenly distributed around the inner core of the cable arranged at the center of the cable; The cable inner core comprises a cable core, an insulation layer wrapped outside the cable core, and an insulation filler filled between the insulation layer and the cable core. The cable core is composed of a plurality of conductors and aplurality of insulating separators, wherein the insulating separators are arranged between two adjacent conductors; Several cable cores are enclosed externally by an internal shield. The invention solves the problems that the flame retardant effect of the existing explosion-proof computer cable is poor, the cable will continue to burn when the cable is combusted and withdrawn from the open fire, and the cable can not be automatically extinguished and the electromagnetic leakage is caused by the unreasonable shielding layer design.
Owner:ANHUI DEYUAN CABLE GRP

Display panel and display device

The invention provides a display panel and a display device, the display panel comprises unit islands, connecting parts, light emitting units and signal lines, the connecting parts are connected witheach side edge of the unit islands, and each connecting part comprises bending parts arranged in at least three bending directions and at least one straight part; the display panel is easier to deform, the deformation effect is better, meanwhile, all devices do not interfere with one another, and the telescopic performance and reliability of the panel are effectively improved.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

Method for detecting tiny amount of prostate cancer specific membrane antigen in circulating blood, and kit thereof

The invention provides a method for detecting a tiny amount of a prostate cancer specific membrane antigen in circulating blood. The method comprises the following steps: respectively mixing a magnetic particle coupled specific PSMA (prostate specific membrane antigen) aptamer and a nanogold particle coupled specific PSMA antibody with a sample to be detected, detecting, and identifying and / or quantifying a target molecule (PSMA). The invention also relates to a pretreatment agent of the blood sample to be detected, and a detection kit which are used for the method. The method has the advantages of simple use, sensitivity, strong specificity, good repeatability, fast result obtaining, and no complex apparatuses or special skills, and still keeps practical sensitivity and specificity when the sample to be detected is directly detected without precise purification, so the detection operation is greatly convenient, and practical industrial application of the method is popularized.
Owner:SUZHOU YOULIN BIO TECH

Full-automatic Chinese pastry production line

The invention discloses a full-automatic Chinese pastry production line, and relates to the technical field of automatic production. The full-automatic Chinese pastry production line comprises a loading system, a rack car conveying system, a curing system, an unloading system and a car returning system, and the loading system is used for stacking pastry trays loaded with raw pastry and conveyed by an input mechanism on a rack car; after loading is completed, the rack car is conveyed to the curing system through the rack car conveying system to be subjected to fermentation, steaming and cooling, the rack car output by the curing system is conveyed to the unloading system, and the unloading system unloads the pastry trays on the rack car to an output mechanism; and the unloaded empty frame vehicle is conveyed to the loading system by the car returning system for loading. The full-automatic Chinese pastry production line is high in automation degree, does not need manual intervention in the production process, can effectively ensure food safety, can perform whole vehicle steaming processing on the rack vehicle, and is beneficial for improving the yield and the work efficiency.
Owner:SHANGHAI SOONTRUE MACHINERY EQUIP

Detachable combined type intelligent sound box

The invention relates to the technical field of sound boxes, in particular to a detachable combined type intelligent sound box which comprises a main box body and at least one secondary box body detachably connected to the main box body, and the main box body is provided with a first communication module used for communicating with external intelligent equipment and the secondary box body. The secondary box body is provided with a second communication module, a change-over switch electrically connected with the second communication module and a power supply used for providing electric quantity, and a touch type charging connector is arranged between the main box body and the secondary box body; the second communication module is used for transmitting a main communication signal used for being in communication connection with the first communication module and a secondary communication signal used for being in communication connection with external intelligent equipment, and the change-over switch is used for turning on the main communication signal and turning off the secondary communication signal or turning on the secondary communication signal and turning off the main communication signal. According to the invention, the problem of tedious use caused by the fact that the existing detachable sound box cannot identify which equipment needs to be connected can be solved.
Owner:SHENZHEN BAITAI IND CO LTD

Construction material supporting device

The invention provides a construction material supporting device. The construction material supporting device comprises a front frame, a rear frame and a bottom frame, wherein the front frame, the rear frame and the bottom frame jointly form a support with triangular side surfaces; a front upper plate and a front lower plate are respectively arranged on the upper part and the middle lower part of the front frame; a plurality of front arc supports are correspondingly arranged on the front upper plate and the front lower plate respectively; a rear upper plate and a rear lower plate are respectively arranged on the upper part and the middle lower part of the rear frame; a plurality of rear arc supports are correspondingly arranged on the rear upper plate and the rear lower plate respectively; the front arc supports are arranged in front of space between the two adjacent rear arc supports; a storage plate is arranged at the lower end of space between the front frame and the rear frame; chutes are formed in two sides of the storage plate; sliders which are matched with the chutes are arranged on the front frame and the rear frame; and a plurality of grooves are formed in the storage plate. The construction material supporting device has the beneficial effect that when profiles are over long, the profiles placed on the front frame and the rear frame cannot interfere with one another, the construction material supporting device is convenient, occupied area is saved, various surfaces of the profiles can be dried in the sun fully, and yield is improved.
Owner:TIANJIN TIANPENG CONSTR EQUIP

Light-emitting display with multi-disconnected inclined belt cone cylinder plane cathode dual-curvature stacked gating structure

The invention discloses a light-emitting display with a multi-disconnected inclined belt cone cylinder plane cathode dual-curvature stacked gating structure. The light-emitting display comprises a vacuum closed body, and getter and invisible support wall accessories located in the vacuum closed body; the vacuum closed body is composed of an upper flat glass separator, a lower flat glass separator,and a rectangle sealing frame; an anode film carved layer, an anode gray-silver wiring layer and a thin light-emitting layer are arranged on the upper flat glass separator; the anode film carved layer and the anode gray-silver wiring layer are connected, and the thin light-emitting layer is manufactured on the anode film carved layer; and the multi-disconnected inclined belt cone cylinder plane cathode dual-curvature stacked gating structure is arranged on the lower flat glass separator. The light-emitting display disclosed by the invention has the advantages of being high in light-emitting brightness, low in manufacturing cost and simple in manufacturing process.
Owner:台州益胜电子科技有限公司

Press four-arm manipulator

The invention belongs to the technical field of rectangular coordinate robots for automatic feeding and discharging of automobile punching parts, and particularly relates to a four-segment mechanical arm of a press. The four-segment mechanical arm of the press is small in occupied space and high in working efficiency. The four-segment mechanical arm of the press comprises a stand column connected with a vertical driving device, and is characterized in that the lower end of the stand column is provided with a first-level transverse beam through a first-level upper sliding block, the first-level upper sliding block is provided with a first-level driving device of the first-level transverse beam, the first-level transverse beam is provided with a first-level synchronous belt fixedly connected with the first-level upper sliding block, a first-level lower sliding block connected with the first-level synchronous belt is arranged below the first-level transverse beam, the first-level lower sliding block is connected with a second-level transverse beam, a second-level driving device of the second-level transverse beam is arranged on the first-level lower sliding block, a second-level synchronous belt fixedly connected with the first-level lower sliding block is arranged on the second-level transverse beam, and a second-level lower sliding block connected with the second-level synchronous belt is arranged below the second-level transverse beam.
Owner:SHENYANG ZHONGTUO ROBOT EQUIP

Novel rolling wheel support

The invention discloses a novel rolling wheel support which comprises a support body. The support body is provided with a roller support and supporting legs, the roller support comprises a left supporting base, a right supporting base, an installation rod and a sliding rod, the installation rod is connected with the left supporting base and the right supporting base, two supporting leg installation bases are arranged at the lower end of the left supporting base, and two supporting leg installation bases are arranged at the lower end of the right supporting base; supporting legs are telescopic mechanisms and have the diameter of 27 mm, the left supporting base and the right supporting base are arranged in a staggered mode, the horizontal spacing distance between every two supporting leg installation bases which are arranged on the same side of the left supporting base and the right supporting base is 47 mm, the inclination included angle of the supporting leg installation bases is 100 degrees, and the spacing distance between every two same-side supporting legs is 13 mm. According to the novel rolling wheel support, by designing the inclination angle of the supporting leg installation bases and the diameter of the supporting legs, it is guaranteed that the mutual interference phenomenon cannot occur after the supporting legs contract, use is more convenient, and the practicability is high.
Owner:TONGCHENG ZHONGXING LEISURE PROD

Elevator rolling guide shoe with brake function

The invention provides an elevator rolling guide shoe with a brake function. The elevator rolling guide shoe is provided with a rolling guide wheel mechanism, hydraulic execution mechanisms and stop mechanisms, wherein three guide wheels of the rolling guide wheel mechanism cling to three working surfaces of a T-shaped guide rail and are used for limiting the horizontal movement of an elevator car; the hydraulic execution mechanisms are connected with the guide wheels of the guide shoe and used for determining whether pressures are applied to the guide wheels according to a detected elevator running state; and the stop mechanisms are integrated in the guide wheels and used for stopping the guide wheels when an elevator is in a post stall state and enabling the guide wheels to tightly hold the guide rail in combination with pressing forces provided by the hydraulic execution mechanisms, so that the emergency braking is achieved; and each stop mechanism is composed of the following parts: a guide shoe base, a long connecting rod, a main swing rod, a secondary swing rod, a brake bottom plate, a hydraulic wheel cylinder, a brake shoe, a brake pad and a brake drum covered by wear-resistant rubber.
Owner:SHANGHAI UNIV

Power switching method

The invention discloses a power switching method. The power supply switching method is applied to the target control circuit. The target control circuit at least includes: a first power supply, a second power supply, a control terminal, a plurality of triodes and an output power supply, wherein the plurality of triodes at least includes: the first triode, the second three The power supply switching method includes: if the electric energy of the first power supply and the second power supply are input at the same time, when the control terminal is at a high level, the first triode is turned off, and the second triode is turned on , the third transistor is turned on, then the output power is switched to the power provided by the first power supply; if the electric energy of the first power supply and the second power supply are input at the same time, when the control terminal is at a low level, the first transistor is cut off, When the second triode is turned on and the third triode is turned on, the output power is switched to the power provided by the second power supply. The invention solves the technical problem that the two power sources are prone to mutual interference when dual power sources are used in the related art.
Owner:GREE ELECTRIC APPLIANCES INC
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