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80results about How to "Quick exchange" patented technology

Efficient double-station mute bearing end grinding device

The efficient double-station mute bearing end grinding device comprises a working table, a vertical supporting support is arranged on one side of the upper surface of the working table, and a transverse adjusting seat used for horizontally driving a vertical adjusting seat is arranged on one side of the vertical supporting support. The vertical adjusting base is connected with a moving set on the vertical supporting support through a support plate, the moving end of the vertical adjusting base is connected with a mounting frame, and a transmission assembly is arranged in the mounting frame. The double-station design is combined with adjustable vertical and transverse adjusting seats, so that the equipment can meet the machining requirements of bearings with different sizes and positions, and the working efficiency is improved; and the rotary connecting base is introduced, so that the grinding angle is allowed to be adjusted, and the processing capacity for complex workpieces is further improved.
Owner:LUOYANG WEIJU PRECISION MASCH CO LTD

Evaporation test pool for monitoring water surface evaporation data

The invention discloses an evaporation test pool for monitoring water surface evaporation data, and belongs to the field of meteorological detection.The evaporation test pool comprises an evaporation mechanism and a floating mechanism, the evaporation mechanism is located on the lower portion of the inner side of the floating mechanism, the evaporation mechanism comprises a pool body, a plurality of partition plates are fixed in the pool body, the partition plates are fixedly connected, and the floating mechanism is arranged in the pool body. Through the connection of the screw rod and the screw cylinder, the distance and height difference between the pool body and the floating mechanism can be adjusted, so that the depth of the pool body in water is controlled. When the electromagnetic valve is opened to enable the tank body to be communicated with water, the water level in the tank body can be accurately controlled; through a series of mechanical transmission structures such as a wave plate, a connecting rod, a toothed plate, a ratchet wheel and a pawl, when the water surface fluctuates, the test pool can automatically sense and convert wave energy into mechanical energy, the floating mechanism is driven to expand or contract, the contact area with the water surface is increased, the wind wave resistance is improved, and meanwhile the stability of the equipment is guaranteed.
Owner:INST OF HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CHINESE ACAD OF GEOLOGICAL SCI

Aromatic guanidino amino acid-based remodelable polyguanidino urea material as well as preparation method and application thereof

The invention discloses a remodelable polyguanidine urea material based on aromatic guanidyl amino acid as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The preparation method comprises the following steps: uniformly mixing a reaction system containing an aromatic guanidino amino acid monomer, a polyfunctional isocyanate compound and a solvent, firstly carrying out pre-reaction, removing the solvent, and then curing to obtain the remodelable polyguanidino urea material based on the aromatic guanidino amino acid. Aromatic guanidyl amino acid containing guanidyl and carboxyl functional groups reacts with polyfunctional isocyanate to form a guanidyl urea bond and an amido bond, so that the dynamic covalent polymer network structure material is formed, has excellent thermal stability and mechanical properties, is high in dynamic exchange speed, and can be applied to the field of chemical engineering. Rapid remodeling and reprocessing can be realized through a simple hot pressing method; meanwhile, the method has the characteristics of simple preparation method, no need of a catalyst through the action of multistage hydrogen bonds and non-covalent bonds in the structure, mild reaction conditions, strong operability, easiness in realization of industrial production and great application prospect.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACAD OF SCI

Zinc oxide desulfurizer as well as preparation method and application thereof

The invention provides a zinc oxide desulfurizer as well as a preparation method and application thereof. The zinc oxide desulfurizer disclosed by the invention is prepared by adopting an impregnation method, C12A7 with a cage cavity structure is taken as a raw material, and the C12A7 with the cage cavity structure has abundant micro channels, so that H2S can enter the C12A7 conveniently, and meanwhile, a larger reactive surface is provided; zinc oxide is loaded by an impregnation method and has a synergistic effect with C12A7, so that the utilization efficiency of zinc oxide can be greatly improved; the zinc oxide desulfurizer is high in activity: due to a unique cage cavity structure, O2 <-> in a cage cavity and S2 <-> in raw material gas can be quickly exchanged, so that the high-activity desulfurizer with extremely high sulfide purification degree is prepared; at normal temperature, the sulfur capacity is greater than 12%; the zinc oxide desulfurizer disclosed by the invention is high in strength: the crushing strength of particles is greater than or equal to 80N / cm; the zinc oxide desulfurizer has the advantages of low zinc oxide content (less than or equal to 40%), cheap and easily available raw materials and low cost.
Owner:WUHAN HEGU ENVIRONMENTAL PROTECTION CO LTD

Organic fertilizer processing device and method

The invention discloses an organic fertilizer processing device and method, and belongs to the field of organic fertilizer processing. An organic fertilizer processing device comprises a mixing tank and two sets of mounting frames, a positioning shaft is fixedly connected between the two sets of mounting frames, the mixing tank is rotatably connected to the outer wall of the positioning shaft, the organic fertilizer processing device further comprises a turnover assembly, the turnover assembly is arranged on the mounting frames and used for driving the mixing tank to rotate, and the turnover assembly is arranged on the mounting frames and used for driving the mixing tank to rotate. The materials inside are turned over and mixed; through rotation of the mixing tank and arrangement of a material turning paddle, materials in the mixing tank are turned over and mixed, and through arrangement of a lifting disc, a lifting arc block, a lifting rod, a lifting frame, a spring telescopic rod and a grinding rod, organic fertilizer raw materials entering a grinding groove during turning over are ground; more uniform distribution of each component in the mixing process is ensured, the mixing effect is effectively improved, and the organic fertilizer processing quality is ensured.
Owner:SHANDONG WANSHITONG MACHINERY TECHNOLOGY CO LTD

Imidazolium salt polymer adsorbent as well as preparation method and application thereof

The invention relates to the technical field of adsorbent preparation, in particular to an imidazolium salt polymer adsorbent as well as a preparation method and application thereof. The preparation method of the imidazolium salt polymer adsorbent comprises the following steps: mixing a polybromophenyl organic compound, imidazole, alkali and a catalyst, and carrying out nucleophilic substitution reaction under the action of the catalyst and the alkali to obtain a triimidazolyl organic monomer; the preparation method comprises the following steps: dissolving a triimidazolyl organic monomer and 1, 4-di (bromomethyl) benzene in an organic solvent, and carrying out quaternization reaction to obtain the imidazolium salt polymer adsorbent. The imidazolium salt polymer adsorbent prepared by the method disclosed by the invention not only can accurately identify and adsorb Cr2O7 < 2-> and remarkably improve the removal efficiency of Cr2O7 < 2->, but also can keep an efficient working state in a wide pH value range. Meanwhile, the material can be easily separated from wastewater and can be repeatedly used after being subjected to simple regeneration treatment, so that cyclic utilization of resources is realized.
Owner:SHANGLUO UNIV

Molded steel liquid covering agent and preparation process thereof

The invention discloses a mold casting molten steel covering agent and a preparation method thereof, and the mold casting molten steel covering agent comprises the following components in parts by mass: 50-65 parts of expanded perlite, 6-10 parts of alumina powder, 2-5 parts of magnesium oxide powder, 25-35 parts of calcium oxide powder, 1-2 parts of fluorite powder, 2-5 parts of ferric oxide, 30-40 parts of porous calcium zirconate, 5-10 parts of calcium carbonate powder and 3-5 parts of acidified graphite. According to the invention, the proportion of carbon element and hydrous aluminosilicate in the covering agent is reduced, the recarburization effect on molten steel is reduced, and the oxidation resistance and thermal insulation capacity of the covering agent are improved.
Owner:XIXIA COUNTY CHENGRUN METALLURGICAL MATERIALS CO LTD

Horizontal type primary-secondary exchange workbench

PendingCN121946238AHigh rotation accuracyRealize full closed-loop controlLarge fixed membersDrivetrainClosed loop
The embodiment of the invention provides a horizontal type primary-secondary exchange workbench. The horizontal type primary-secondary exchange workbench comprises a workbench base; the working table mother disc is connected with the working table base through a special rotary table bearing; the working table sub-disc is connected with the working table mother disc through a zero point positioning system; the power transmission system is connected with the workbench mother disc and provides a power source; the brake system is connected with the workbench mother disc and provides brake force; the angle feedback system comprises an encoder fixing seat and an angle transmission flange, the encoder fixing seat is connected with the workbench base, the angle transmission flange is connected with an oil way distribution inner ring, and the oil way distribution inner ring is connected with the workbench mother disc; and the oil path and gas path butt joint system is arranged between the workbench base and the workbench mother disc. The power transmission system selects a proper transmission structure according to specific working conditions, the angle feedback system monitors the rotating angle of a workbench mother disc in real time through an angle encoder, and full-closed-loop control is achieved through matched use of a high-precision angle encoder and a bearing special for a rotary table.
Owner:SHANGHAIAEROSPACE IGEN INTELLIGENT TECHNOLOGY CO LTD

Detachable bark beetle trap and windproof fixing support

The utility model relates to the technical field of bark beetle trapper, specifically relates to a detachable bark beetle trapper and windproof fixing support, include: bark beetle trapper body and collect insect net bag, collect insect net bag is located inside bark beetle trapper body, the side of bark beetle trapper body is provided with the plug -in installation component. The utility model discloses through setting up plug -in installation component and moving out locking assembly, through the plug -in of plug -in half ring's plug -in half ring and the plug -in of moving out groove, the preliminary positioning is realized, the locking is completed to the plug -in groove under the clamping block spring action, and the movable block is cooperated with the clamping block and can push back the clamping block and move the groove and release locking, so that plug -in half ring can realize quick dismounting and installation, and further reach the device without disassembling other components can quickly complete collect insect net bag and change, solve the problem that the net bag needs to be disassembled first in the prior art and lead to low efficiency, improve the effect of convenient use.
Owner:HAIBEI TIBETAN AUTONOMOUS PREFECTURE GRASSLAND WORK STATION (HAIBEI TIBETAN AUTONOMOUS PREFECTURE GRASSLAND SUPERVISION STATION)

Anti-interference shielding case for deformation detection of transformer winding

ActiveCN224234055UElectromagnetic interference implementationAchieve immunity to electromagnetic interferenceMagnetic/electric field screeningInstrument screening arrangementsInterference resistanceMechanical engineering
The utility model discloses an anti-interference shielding case for deformation detection of a transformer winding, which relates to the technical field of transformer detection equipment and comprises a shielding case main body and a movable door slidably arranged in the shielding case main body. The shielding cover main body, the movable door and the top plate are arranged to form a shielding structure for wrapping the transformer winding, electromagnetic interference of the external environment on the transformer winding can be isolated in the detection process of the transformer winding, the heat conduction copper pipes are arranged in the middle of the top plate, and the heat conduction copper pipes are provided with the horizontal parts and the inclined parts, so that the heat conduction efficiency is improved. The horizontal part can achieve heat exchange with heat in air in the shielding structure through the heat conduction fins on the outer side of the horizontal part, and the inclined part can achieve heat exchange between heat in the heat conduction copper pipe and outside air through the heat dissipation fins on the outer side of the inclined part. And the transformer winding is prevented from being damaged by heat accumulation while the anti-electromagnetic interference on the transformer winding is realized.
Owner:SHENYANG INST OF ENG

Method for lysing foodborne pathogenic bacteria and application thereof

The present application relates to the technical field of food safety, and particularly relates to a low-power water bath ultrasonic foodborne pathogenic bacteria lysis method and application thereof. The present application uses a low-power water bath ultrasonic machine, adds ABS small balls with a size of about 1 mm in a solution sample, uses ultrasonic to cause high-frequency vibration of the ABS small balls, and the local high sound pressure field and high-density cavitation field generated by the vibration can rapidly lyse bacteria. Meanwhile, the movement of the small balls can accelerate the rapid material exchange of the solution at different positions in the tube, so that 1 mL of the to-be-tested bacterial sample can be lysed within 3 minutes. The method provided by the present application has high lysis efficiency and short time consumption. When applied to foodborne pathogenic bacteria detection, nucleic acid purification and enrichment of the lysis liquid are not needed, the time and labor cost required for nucleic acid detection can be greatly shortened, and a new method of efficient, economical and practical bacterial lysis and nucleic acid extraction is provided for the field of food safety detection.
Owner:CHINA AGRI UNIV

Method for preparing PCB (Printed Circuit Board) fine circuit through high-efficiency pulse electrolytic chemical synergy etching

The invention relates to the technical field of printed circuit board fine circuit preparation, in particular to a method for preparing a PCB fine circuit through efficient pulse electrolytic chemical synergy etching, according to the method for preparing the PCB fine circuit through etching, high pulse peak current density is generated through one-way pulse current, use of reverse pulse current is avoided, and the circuit quality is improved. And meanwhile, the current control is simplified. Moreover, through the synergistic effect of the high pulse peak current density and the limited duty ratio, under the high pulse peak current density, the electrolytic etching speed can be increased, the electrolytic etching time can be greatly shortened, the corrosion effect of chemical etching on the circuit is relatively weakened, and the side corrosion of the circuit is small. Due to the fact that the electrolytic etching speed is high, the electrolytic etching time is short, electrolytic etching is used as a leading part, and chemical etching is used as a supplement part, a corrosion inhibitor does not need to be used in the electrolytic etching solution, and the method has the advantages of being simple in process, low in preparation cost, high in etching speed, good in etching uniformity, high in production efficiency and good in circuit quality and reliability.
Owner:GUANGDONG UNIV OF TECH +1

Power distribution and utilization network timing method, device, system and chip based on multimode communication

The invention relates to the technical field of power distribution and utilization and communication, in particular to a power distribution and utilization network timing method, device, system and chip based on multi-mode communication, and the timing method comprises the following steps: a timing node and a timed node are respectively located on the same layer, adjacent layer or cross-layer, and first timing information and second timing information are obtained, and then performing time correction on the node to be subjected to time correction based on the first time correction information and the second time correction information. According to the invention, the concept of a reference node is introduced, the reference beacon sent by the reference node and simultaneously received by the time calibration node and the calibrated node is taken as the reference moment, and the time values which are recorded at the reference moment and are counted by the local clock are respectively taken as the first time calibration information and the second time calibration information; or the specified zero-crossing time which is relatively stable in position, predictable, high in repeatability and easy to detect is used as the reference time, so that the time correction precision of the power distribution and utilization network node during clock synchronization is effectively improved, and the reliability and the stability of the whole power distribution and utilization network are improved.
Owner:BEIJING SMARTCHIP SEMICON TECH CO LTD +2

Efficient multi-stage fluid coupling

ActiveCN119664869AExtended service lifeImprove starting performanceFluid gearingsMaximum torquePrime mover
The invention relates to the technical field of hydraulic couplers, in particular to an efficient multi-stage hydraulic coupler. The structure of the disc and the cavity groove is adopted, so that utilization of liquid kinetic energy is improved, loss in liquid flowing is reduced, efficiency is improved, the disc serves as a power transmission medium, full-load starting can be achieved, the starting time is prolonged, the initial starting torque of a prime motor is reduced, and the prime motor can start a working machine through the maximum torque; in the transmission process, impact can be relieved, torsional vibration can be isolated, overload protection is achieved, and the low overload coefficient and high efficiency are achieved.
Owner:GUANGDONG ZHONGXING POWER TRANSMISSION

Electrical equipment moisture-proof device

The invention discloses a moisture-proof device for electrical equipment, and relates to the technical field of electrical equipment. A hollowed-out storage plate is arranged in the cabinet body, a first-stage air window and a second-stage air window which are located at different heights are formed in the two sides of the cabinet body respectively, and a first-stage fan is arranged on the face, close to the dehumidification structure, of the storage plate; the dehumidification structure comprises an inverted-V-shaped flow guide plate, a telescopic rod is installed in the middle of the cabinet body and connected with the flow guide plate, and the flow guide plate is installed in the cabinet body in a sliding mode. A semiconductor chilling plate is mounted on the side, away from the first-stage fan, of the guide plate; through grooves are formed in the two sides of the cabinet body, the two ends of the flow guide plate penetrate out of the through grooves, the end, located outside the cabinet body, of the flow guide plate is connected with a flow guide groove, and one end of the flow guide groove is connected with a water outlet groove attached to the surface of the cabinet body. The dehumidification efficiency can be remarkably improved, long-term automatic dehumidification is achieved, internal temperature rise cannot be caused, and use is safe and convenient.
Owner:GUANGDONG CHUANGYI NEW ENERGY POWER CO LTD

Device and method for extracting plant essence for cosmetics

The present invention discloses a device and method for extracting plant essence for cosmetics, and belongs to the field of plant essence extraction. A device for extracting plant essence for cosmetics includes an extraction tank, and also includes: a distillation plate fixed at the lower part of the inner wall of the extraction tank, on which a distillation part for providing steam to the inside of the extraction tank is arranged; wherein a cutting shaft is rotatably connected to the top of the inner cavity of the extraction tank; the present invention drives the cutting blade to rotate in the cutting barrel through the cutting shaft to achieve crushing and cutting of plant raw materials, which is convenient for the essence liquid inside to flow out and for subsequent comprehensive and thorough extraction; and the cutting shaft also drives the scraping plate to rotate, so that the reciprocating screw rod and the sliding block and stirring brush that reciprocate thereon turn over the plant raw materials accumulated on the surface of the distillation plate, so that it can be more comprehensively contacted with high-temperature water vapor, effectively improving the distillation effect, and realizing the extraction of essence liquid efficiently and comprehensively.
Owner:GUANGZHOU SISHIRUNWU BIOTECHNOLOGY CO LTD +2

Multi-channel network power amplifier device

The utility model discloses a multi-channel network power amplifier device which comprises a shell, a front cover is movably connected to the side face of the shell in a penetrating mode, a rear cover is movably connected to the other side of the shell in a penetrating mode, an input board is movably connected into the shell, and a plurality of input channels are fixedly connected to the side face of the input board. The side face of the input board is movably connected with a first data line, the upper end of the input board is movably connected with a control board, symmetrical positioning boards are fixedly connected in the shell, power amplifier modules are movably connected in the positioning boards, symmetrical ventilation holes are formed in the side face of the shell, symmetrical sliding grooves are movably connected in the shell, and the power amplifier modules are movably connected in the sliding grooves. Symmetrical fan covers are fixedly connected into the shell, and motors are fixedly connected to the side faces of the fan covers. Through the structure, efficient transmission and accurate decoding of multichannel audio signals are guaranteed, internal heat is effectively discharged, elements are prevented from being overheated, and the use stability and cruising ability of equipment are enhanced.
Owner:HEBEI XIONGAN XINSHENG TECHNOLOGY CO LTD

Homogenizing cooling device for chelate fertilizer production

ActiveCN224743886UEfficient HomogenizationExchange evenly
The utility model provides a kind of homogenization cooling device for chelate fertilizer production, it is related to chelate fertilizer production device technical field, it includes fixedly arranged shell, shell top and bottom are separately provided with feed inlet and discharge outlet, discharge outlet is provided with bottom cover, still include a pair of crushed material roller rotationally arranged in shell, shell outer wall is fixedly provided with the drive source that can drive two crushed material rollers rotation, still include cooling channel fixedly arranged below crushed material roller, the opposite sides of cooling channel side wall are provided with several air injection holes, air injection hole is communicated with fan fixedly arranged in shell outer wall, cooling channel top side is fixedly provided with air outlet;It is preliminarily mechanically broken to material by crushed material roller, and lump that possibly forms is scattered;Cooling airflow is injected by the air injection hole of cooling channel two sides, realizes the rapid and uniform heat exchange;Material is blown apart by airflow and gravity beating action, so that material is efficiently homogenized, and finished fertilizer chelate quality is significantly improved.
Owner:HUAQIANG BIOTECHNOLOGY CO LTD

Corrosion tool and corrosion method for chips capable of being placed uprightly and inversely

The invention discloses a corrosion tool and a corrosion method for a chip capable of being placed uprightly and inversely, relates to the technical field of chips, and aims to solve the problem that when an existing chip corrosion tool is used, the uprightly-placed state and the inversely-placed state of the chip cannot be switched. A mounting groove for placing a chip is formed in the middle of the first bearing body, the second bearing body is detachably connected with the first bearing body through a mortise and tenon joint structure, a groove hole corresponding to the mounting groove is formed in the second bearing body, the size of the groove hole is smaller than that of the chip, and a plurality of through holes are formed in the first bearing body and the second bearing body. The handheld rod is detachably arranged on the first bearing body and the second bearing body, the handheld rod is movably connected with the first bearing body and the second bearing body, and the first bearing body and the second bearing body are each provided with a clamping groove connected with the end of the handheld rod in a clamped mode.
Owner:BEIJING CHIPTRON TECH CO LTD

Intelligent switch energy-saving regulation and control device

The utility model provides an intelligent switch energy-saving regulation and control device, which relates to the technical field of switches, and comprises a switch main body and a transmission interface, the external top surface and the internal top surface of the switch main body are provided with heat dissipation arc grooves, the two sides of the switch main body are embedded with heat dissipation fans, and the two sides of the heat dissipation fans are provided with heat dissipation windows. Heat dissipation folded plates are slidably arranged in the heat dissipation windows, double-shaft air cylinders are connected between the adjacent heat dissipation folded plates, positioning seats are arranged on the outer surfaces of the double-shaft air cylinders, temperature sensors are bonded to the surfaces of the positioning seats, and the temperature sensors sense the internal temperature of the switch body, so that when the temperature rises, the heat dissipation folded plates are connected with the double-shaft air cylinders. The movable end of the double-shaft air cylinder extends to drive the heat dissipation folded plate to stretch out and draw back to cooperate with the heat dissipation fan to conduct heat dissipation on the side face, the range of the heat dissipation window is adjusted through reciprocating stretching out and drawing back, air flow is increased, the heat dissipation folded plate is closed to achieve the dustproof effect when not in use, and the interior of the switch body can be intelligently adjusted and used according to the temperature. The timeliness of heat dissipation is improved, and the heat dissipation efficiency is improved.
Owner:SHENZHEN TEFA TYCO COMM TECH CO LTD

Heat dissipation device used based on network equipment

The utility model discloses a heat dissipation device used based on network equipment. The heat dissipation device comprises a box body, a filter screen, the network equipment and a heat dissipation device. The beneficial effects of the utility model are that the heat dissipation device is arranged to fully dissipate and cool network equipment placed in multiple layers in the box body, thereby improving the heat dissipation effect of the network equipment, facilitating the continuous and efficient use of the network equipment, greatly avoiding the problems of blockage and the like of the network equipment caused by high temperature, and improving the service life of the network equipment. Cold air is quickly blown downwards through the heat dissipation piece in the partition plate to dissipate heat, air is quickly blown to the upper end of the partition plate through the effect of the ventilation opening, heat dissipation of equipment at the upper end and the lower end of the partition plate is achieved, heat dissipation uniformity is improved, air outlet nozzles are arranged at the bottom end of the copper pipe at equal intervals, and the trapezoidal air outlet nozzles with the large upper portions and the small lower portions are utilized. When the air outlet of the cross section of the equivalent air becomes smaller, the flow speed of the air is increased, the air speed blown to the network equipment is increased, hot air around the network equipment can be exchanged rapidly, and rapid heat dissipation and cooling are achieved.
Owner:XIAN JIACHUANG TECH DEV CO LTD

Fin radiating structure for optimizing performance of radiator

The utility model relates to the technical field of radiators, and discloses a fin radiating structure for optimizing the performance of a radiator, which comprises a cover body, the radiating structure comprises a contact plate, the top of the contact plate is fixedly connected to the inner wall of the top of the cover body, the top of the contact plate is fixedly connected with a plurality of heat conduction pipes, and the heat conduction pipes are fixedly connected with the cover body. The top of the contact plate is fixedly connected with a heat conduction assembly, the exterior of the heat conduction assembly is fixedly connected with a heat dissipation plate, and the exterior of the heat conduction pipe, namely the side close to the exterior of the top of the contact plate, is fixedly connected with a conduction plate. According to the utility model, the contact plate is in contact with the surface of a heating object, so that heat can be effectively transferred, meanwhile, the conduction plate and the heat conduction pipe can effectively transfer heat into the heat dissipation plate for effective heat dissipation, and the design of the arc-shaped heat dissipation plate not only increases the contact area with air, but also promotes the convection effect; the heat dissipation performance is further improved, and the heat dissipation efficiency is improved.
Owner:SUZHOU SUZHONG PRECISION MEDAL PROD CO LTD

Sampling device for synchronously monitoring greenhouse gases of different water layers of reservoir

InactiveCN121954566ARealize synchronous acquisitionReal and credible vertical distribution profileWithdrawing sample devicesGreenhouseControl cell
The invention discloses a sampling device for synchronously monitoring greenhouse gases of different water layers of a reservoir, and relates to the technical field of water samplers, the sampling device comprises a connecting frame and a plurality of sampling units arranged on the connecting frame at intervals, each sampling unit comprises a bottle body with two open ends, and the two open ends of each bottle body are hinged to sealing covers; and the circumferential side of each sampling unit is provided with an opening and closing assembly for controlling the opening and closing of the sealing cover. Through arrangement of the opening and closing assembly, the retracting and releasing device, the clamping assembly and the like, all the sampling units are connected in series through one connecting rope, and an electromagnetic adsorption and release mechanism coordinated by the control unit is matched, so that the multiple sampling units can sequentially and accurately stay in different preset water layers in the one-time descending process; and the sealing covers in all the sampling units are uniformly controlled by the first strong electromagnet and can be synchronously powered off and closed after all the units are in place, so that synchronous collection of water samples at different depths is realized.
Owner:NANYANG NORMAL UNIV

Aminated polyester resin and crosslinked aminated polyester resin

InactiveEP4339221A4not lose bond exchange activityquick exchange
An object is to provide a crosslinked polyester resin that does not lose bond exchange activity even when immersed in water, an organic solvent, or the like and in which bond exchange is fast. Another object is to provide a polyester resin in which bond exchange is fast. A crosslinked polyester resin in which a polyester resin having a plurality of side chains each having a carboxy group and a plurality of side chains each having a tertiary amino group is crosslinked by an epoxy-based crosslinking agent having a plurality of epoxy groups.
Owner:NAGOYA INSTITUTE OF TECHNOLOGY +1

Oil viscosity sensor and oil viscosity detection system

ActiveCN224095617Uquick exchangeViscosity data is accurateFlow propertiesLiquid viscosityOil viscosity
The utility model discloses an oil viscosity sensor and an oil viscosity detection system. The oil viscosity sensor comprises a main piece, a probe part and a control part, wherein the probe part and the control part are respectively arranged on two sides of the main piece; the probe part comprises a probe outer cover connected with the main part, and a viscosity sensor, a temperature sensor, a magnetic coil and a probe core which are arranged in the probe outer cover; the probe outer cover is provided with an oil inlet hole, the probe core is arranged on the inner side of the magnetic coil, the probe core is arranged on one side of the oil inlet hole, and the size of the probe core is larger than that of the oil inlet hole; and the control part is electrically connected with the magnetic coil, the viscosity sensor and the temperature sensor. According to the utility model, the coil and the probe core are arranged in the probe outer cover, so that the oil in the probe outer cover can be quickly exchanged, the viscosity of the oil detected by the viscosity sensor is the viscosity of the oil in a pipeline, the obtained oil viscosity data is accurate, and the oil viscosity data basically have no deviation.
Owner:SMART MATCH TECH (SHENZHEN) CO LTD

USB debugging system

The invention relates to the technical field of computers, in particular to a USB debugging system which comprises an access module used for receiving a USB device connection instruction; and outputting a USB equipment connection result. And the receiving module is used for displaying the received data in the data receiving area after the USB equipment is successfully connected. The sending module is used for filling data needing to be sent in a data sending area; receiving a data sending instruction; and judging whether the data is successfully sent, and outputting a data sending result. And the cloud server is used for distributing and forwarding data in real time by using a real-time communication technology. The mobile terminal is used for being connected with the cloud server and acquiring and displaying data; and inputting debugging data and sending the debugging data to the cloud server. The USB receiver is used for driving USB equipment to operate; and the cloud server is accessed. According to the invention, the cloud server is utilized to realize cooperation of multiple devices, and instant distribution and forwarding of data are realized, so that the data can be transmitted among different devices in real time, and the flexibility and convenience of debugging are improved.
Owner:YOUER AI (CHANGZHOU) MEDICAL TECH CO LTD

High speed kneader for producing pp automobile modified material

A kind of high-speed kneader for producing PP automobile modified material, it is related to the technical field of kneader, solve the problem that the structure of paddle is single in prior art, it is difficult to consider high-strength shearing and gentle mixing.The mixing cavity is connected with the discharge cavity at the bottom end, and the discharge cavity is provided with a discharge channel at the lower end;The top of the mixing cavity is connected with an electrical control box, and the top of the mixing cavity is also provided with a driving motor, a rotating shaft is coaxially connected in the mixing cavity, a combination stirring blade is fixed on the periphery of the rotating shaft, the combination stirring blade includes shear blade, conveying blade and cleaning blade, the shear blade, conveying blade and cleaning blade are arranged in order from top to bottom.The beneficial effect is: multiple functions can be realized by combination stirring blade, high-strength local shearing is provided, mixing is uniform, and mixing efficiency is high.
Owner:青岛同心振茂塑染有限公司

Smoke-proof door and window with gas leakage early warning function

The utility model provides a smoke-proof door and window with a gas leakage early warning function, which relates to the technical field of doors and windows, and comprises a window frame main body which is of a rectangular frame structure, and a limiting frame is arranged in the window frame main body; a coal gas alarm is arranged on the front side of a top transverse frame of the window frame body, a butt joint sleeve is matched with a permanent magnet block of an adjusting frame, a window sash and the adjusting frame can be assembled, meanwhile, a limiting clamping block is connected with a limiting clamping groove in a clamped mode, and a connecting plate and the top transverse frame of the window frame body are fixedly connected through a pressing screw. The window sash can be rapidly assembled, the connecting structure is simple, the window sash can be conveniently cleaned and maintained in the later period, and the problems that when an existing door and window with the smoke prevention function is used, a window frame and the window sash are generally limited and fixed through a large number of bolts, installation and disassembly are tedious, and the window sash is inconvenient to clean and maintain in the later period are solved.
Owner:SHANDONG MINGYANG BUILDING DECORATION ENG CO LTD