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31results about How to "Effective isolation protection" patented technology
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Separate knob switch, terminal equipment and working mode adjusting method of separate knob switch
InactiveCN105261509AEasy to replaceEffective isolation protectionElectronic switchingElectric switchesVertical projectionCircular disc
The invention discloses a separate knob switch, terminal equipment and a working mode adjusting method of the separate knob switch. The separate knob switch comprises a knob switch and two hall sensors, wherein the knob switch is arranged on a control panel and comprises a rotating disk; a plurality of magnet components are arranged on the rotating disk along the circumference of the rotating disk; and the two hall sensors are arranged on a master control circuit board below the control panel, and are located on the contour edge of a vertical projection of the rotating disk on the master control circuit board. Through a separate design of the knob switch and the hall sensors, a rotating action of the knob switch is sensed by hall electromagnetic induction; the knob is separated from the master control circuit board; an opening design does not need to be carried out on the control panel; and the master control circuit board is completely isolated from the external environment, so that an effective isolating protection is carried out on the master control circuit board; and the knob switch can also be conveniently changed.
Owner:QINGDAO HAIER TECH
Vehicle microactuator applied to refueling tank cover or charging box cover of vehicle
PendingCN111075284AReduce the interaction forceReduce wearPower transmission/actuator featuresElectric vehicle charging technologyInterference fitMicro actuator
A vehicle microactuator applied to a refueling tank cover or a charging box cover of a vehicle comprises a casing divided into a motor cavity and a lockup cavity, wherein an electric locking assemblyis arranged in the motor cavity and sequentially comprises a motor, a drive assembly and a locking part from top to bottom, a manual locking assembly is arranged in the lockup cavity and sequentiallycomprises a rotary push rod, a driving sleeve and a rotating sleeve from top to bottom, the locking part comprises a locking base part located in the motor cavity, a locking tongue for locking the rotating sleeve and a hook arm used for connecting the locking base part and the locking tongue, a passage matched with the hook arm is arranged between the motor cavity and the lockup cavity, a lockinghole is formed in the wall of the lockup cavity and communicated with the passage, and the locking tongue can penetrate through the lock hole and forms interference fit with the rotating sleeve. The rotating sleeve is a component located at the last link of the manual locking assembly, therefore, the mutual acting force between the locking tongue and the rotating sleeve is relatively smaller, andthe risk of part wear and breakage can be effectively reduced.
Owner:NINGBO HUAKAI ELECTRONICS TECH CO LTD
High-temperature resistant coating and preparation method thereof
ActiveCN101585988ASimple production processReduce manufacturing costFireproof paintsWater solubleHeating furnace
The invention relates to a high-temperature resistant coating which comprises the following components according to weight percentage: 45-70 of quartz powder, 20-45 of water glass, 4-6 of water-soluble resin and 4-8 of water. A preparation method of the high-temperature resistant coating comprises the steps: directly putting all the components together and evenly stirring the same to prepare the product. The high-temperature resistant coating has simple production process, low production cost and strong maneuverability. After the high-temperature resistant coating is coated on surfaces of a steel billet and a metal part, the surfaces of the steel billet and the metal part and heating burner gas can be effectively isolated and protected, thereby the fire consumption of metal in the heating process is reduced, and the metal yield rate is improved.
Owner:ZHANGZHOU XIN ZHAN WANG CHEM IND
Adsorptive, flame-resistant and biodegradable temporary protective coating
ActiveCN101735719AEffective isolation protectionImprove fire performanceFireproof paintsAnti-corrosive paintsAlcoholPreservative
The invention provides an adsorptive, flame-resistant and biodegradable temporary protective coating, which comprises the following components in percentage by mass: 80.0 to 55.0 percent of deionized water, 15.0 to 25.0 percent of propanetriol, 0.5 to 2.0 percent of xanthan gum, 0 to 1.0 percent of sodium carboxymethylcellulose, 3.4 to 12 percent of dihydric alcohol or trihydric alcohol condensation compound, 1.0 to 4.5 percent of triacetic acid glyceride, and 0.1 to 0.5 percent of conserving agent. The temporary protective coating has the advantages that: the temporary protective coating can be used through spray coating or brush coating, and conglutinates dust and over-sprayed paint particles floating in the air mainly through the combined action of the characteristics of isolation, adsorption and flame retardance so as to fulfill the aim of further purifying the air; the temporary protective coating can effectively prevent spraying lacquer mist from influencing the coating quality in the coating process, and can effectively improve the fireproof performance of a coating workshop; the temporary protective coating can be cleaned away by water washing to save labors; the temporary protective coating is dissolvable in water and is biodegradable; and the temporary protective coating can have an effective isolating protective effect on walls of the coating workshop, devices, pipelines and the like, and prolong the service life of the devices.
Owner:SHANGHAI LICHANG ENVIRONMENTAL ENG
High-speed digital acquisition device capable of acquiring wide voltage range
InactiveCN104485959AEasy to expandHigh precisionAnalogue-digital convertersAnti jammingData transmission
The invention relates to the technical field of digital acquisition, and particularly discloses a high-speed digital acquisition device capable of acquiring wide voltage range. According to the high-speed digital acquisition device disclosed by the invention, a CPLD (Complex Programmable Logic Device) 8 is used for controlling a high-speed AD (Analog-Digital) converter to realize data acquisition of a dual-channel analog voltage (-600V to +600V), and meanwhile, acquired data is stored in a digital storage unit 9 for waiting an LVDS (Low Voltage Differential Signaling) bus instruction so as to transmit the stored data to an LVDS bus. According to the high-speed digital acquisition device, attenuation and conditioning of wide range voltage are realized by adopting a voltage attenuation circuit and a voltage conditioning circuit based on an analogy selector switch and an operational amplifier, so that the signal acquisition precision is greatly improved. The high-speed digital acquisition device carries out effective isolation on external analog quantity by adopting a photoelectric isolator, so as to realize electrostatic protection on the CPLD. The high-speed digital acquisition device disclosed by the invention has the function of carrying out effective isolated protection on acquired channel data by adopting a high-speed data isolator, so that the anti-jamming capability of the CPLD on a front-end acquisition circuit and the anti-jamming capability among acquisition channels are improved.
Owner:孟凡军
Composite ultraviolet-proof coating, preparation method thereof and ultraviolet-proof glass
Owner:CHERY AUTOMOBILE CO LTD
JTAG (Joint Test Action Group) isolation circuit used for DSP (Digital Signal Processor)
InactiveCN103019139AEasy to detectFirmly connectedProgramme controlDigital circuit testingTransceiverCountermeasure
The invention is a JTAG isolation circuit used for a DSP and belongs to the technical field of optoelectronic countermeasure. The circuit uses a DSP, a CPLD (Complex Programmable Logic Device) chip, a conventional isolation transceiver of an integrated power supply, a high-speed isolation transceiver, an on-board JTAG connector and an outside-chassis JTAG connector to form a circuit for isolating JTAG signals. The circuit uses CPLD to achieve the connection and automatic detection and real-time switching of the two inside and outside JTAG connectors, so that the supporting for the on-board JTAG and the JTAG extension of the outside connector can be obtained and the inside and outside JTAG connectors can be easily connected when the single board debugging and the complete machine debugging are performed. In addition, effective isolation protection can be achieved due to the 2000V isolation voltage is supported for the outside JTAG signals and the effective performance of the operation process can be improved owing to the JTAG signals isolation under the condition that the power supply is isolated.
Owner:CHINA NORTH VEHICLE RES INST
Steam turbine main shaft vibration monitoring system
InactiveCN110132601AEffective isolation protectionGuaranteed stabilityMachine part testingEngine testingSignal linesEngineering
The invention relates to the technical field of steam turbine safety operation monitoring, and provides a steam turbine main shaft vibration monitoring system. The system comprises a first sensor usedfor detecting an axial movement of a main shaft of a steam turbine, a second sensor used for detecting a radial movement of the main shaft of the steam turbine, and a steam turbine remote monitoringdevice, wherein the first sensor and the second sensor are arranged on one side of the main shaft in a bearing box of the steam turbine; a bent threading pipe is mounted on a side wall of the bearingbox; and signal lines of the first sensor and the second sensor are led out of the threading pipe and are connected with the steam turbine remote monitoring device. By designing the bent threading pipe, the signal lines of the first sensor and the second sensor are effectively isolated for protection; the phenomenon that the bearing box leaks oil because the lubricating oil jet in the bearing boxflows out along outgoing lines of the sensors is avoided; and remote monitoring of the axial and radial movements of the main shaft of the steam turbine is ensured.
Owner:内蒙古君正能源化工集团股份有限公司
Frost heaving prevention uplift device for telegraph pole in frozen soil area
PendingCN112681400APrevent falling backEffective isolation protectionProtective foundationTowersSoil scienceUtility pole
The invention relates to a frost heaving prevention uplift device for a telegraph pole in a frozen soil area, and discloses the frost heaving prevention uplift device which can be combined with a permafrost heaving layer for filling, support and fix the telegraph pole and avoid uplifting. The frost heaving prevention uplift device is characterized in that a bottom fixing structure is composed of a fixing seat and a plurality of spiral fixing plug pins; the spiral fixing plug pins are arranged on the fixing seat; the fixing base is a cylinder with one end sealed; a plurality of blocking umbrella plates are arranged on a sleeve at equal intervals; reinforcing ribs are arranged between the blocking umbrella plates and the sleeve; the reinforcing ribs are distributed below umbrella skirts of the blocking umbrella plates at equal angles; the reinforcing ribs are made of hard plastic; the edge of the blocking umbrella plate at the bottommost end is provided with a sliding cylinder; and the sliding cylinder is inserted into the fixing seat in a sleeved mode and is in close fit with the fixing seat.
Owner:徐州华显凯星信息科技有限公司
Glue pouring method and glue pouring assembly of propeller
InactiveCN112893003AReduce corrosionCorrosion isolationLiquid surface applicatorsCoatingsStructural engineeringMechanical engineering
The invention discloses a glue pouring method and glue pouring assembly of a propeller. The propeller comprises a stator and a stator shell arranged on the outer side of the circumference of the stator. The glue pouring method further comprises the steps that the stator is arranged on a sealing positioning piece in a sleeving mode, wherein a glue pouring channel is formed between the outer wall face of the sealing positioning piece and the stator shell; the stator shell is provided with an inlet and an outlet which communicate with the glue pouring channel; seal glue is poured into the glue pouring channel from the inlet; and air in the glue pouring channel is extracted through negative pressure adsorption at the position of the outlet. By means of the technical scheme, corrosion of external water vapor and air to the stator of the propeller can be effectively reduced, and the service life of the stator of the propeller is prolonged.
Owner:SHENZHEN WEIDU INTELLIGENT TECH CO LTD
High-voltage isolation discharge circuit
ActiveCN108964650ASatisfy high voltage isolation and energy releaseSimple designFail-safe circuitsVoltage/current interference eliminationHigh pressureHigh voltage
The invention discloses a high-voltage isolation discharge circuit, which comprises a logic conversion circuit, a high-voltage isolation circuit and a discharge circuit, wherein the logic conversion circuit is used for outputting a corresponding logic control signal to the high-voltage isolation circuit according to a received channel control signal; the high-voltage isolation circuit is cut off or connected according to the logic control signal; and the discharge circuit is cut off or connected according to a received discharge control signal. The high-voltage isolation discharge circuit disclosed by the invention can meet requirements of high-voltage isolation and energy discharge, and is simple in structure and relatively high in isolation and stabilization performance.
Owner:CHINA NAT OFFSHORE OIL CORP +1
Preparation method of concrete repairing mortar
ActiveCN109851305AImprove stabilityProtects metabolic processesMicroorganism based processesOn/in organic carrierDistilled waterMixed materials
The invention discloses a preparation method of concrete repairing mortar. The preparation method comprises the following steps: (1) adding citric acid into corn stalk powder, performing acidification, performing washing by using distilled water to neutrality, and performing drying to obtain acidified stalk powder; (2) mixing strain cells, a urea solution, a calcium acetate solution and a sodium alginate solution according to a certain weight ratio, performing stirring, allowing the stirred material to stand, adding the product into the acidified stalk powder obtained in the step (1), performing uniform mixing, and allowing the mixed material to stand to obtain a repairing liquid; and (3) mixing the repairing liquid obtained in the step (2), autoclaved quartz sand (particle size of 0.5-1.0mm) and water to form the mortar. According to the preparation method provided by the invention, the repairing mortar prepared by the method can be applied to internal structural repair of concrete,has strong bonding performance, is not easy to fall off, and has a stable repair effect, and wide applicability.
Owner:成都顺佳美恒新材料有限公司
Rotation control structure for wafer transfer robot
PendingCN112828868AIncrease contact areaAdjustable tensionProgramme-controlled manipulatorStructural engineeringControl theory
The invention discloses a rotation control structure for a wafer transfer robot. The rotation control structure comprises a supporting structure, a driving structure, a transmission structure and a rotating structure; the supporting structure comprises a bottom plate, a base and a panel, the base is of a hollow cavity structure with a top opening and a bottom opening, a partition plate is arranged on the inner wall of the base and divides the base into a top-layer base body and a bottom-layer base body, and the panel and the bottom plate are installed on the base; the driving structure penetrates through the rotating structure and is mounted on the base; the transmission structure is mounted on the base and comprises a first transmission structure, a second transmission structure and a connecting shaft; the connecting shaft is rotationally connected to the base; the first transmission structure is located in the bottom-layer base body and fixedly connected with the bottom end of the connecting shaft and the driving structure; and the second transmission structure is located in the top-layer base body and fixedly connected with the top end of the connecting shaft and the rotating structure. The transmission mechanisms are arranged on the top layer and the bottom layer of the base and fixedly connected with the connecting shaft, so that the device is compact in structure, small in occupied space and good in control precision and movement stability.
Owner:昀智科技(北京)有限责任公司
A transmission line insulation protection net
ActiveCN108199295BEffective isolation protectionGuaranteed uptimeApparatus for overhead lines/cablesEngineeringStructural engineering
The invention relates to an insulation protection net for a power transmission line, comprising a first insulating support pillar, a second insulating support pillar and a telescopic support; the first insulating support pillar and the second insulating support pillar have the same size and structure; the first insulating support pillar includes a base, The top of the base is provided with an accommodating cavity, and a telescopic tube is installed in the accommodating cavity, and the telescopic tube includes no less than two sleeves, and no less than two sleeves are socketed with each other; located at the top of the telescopic tube A connection plate is welded on the casing; the connection plate is provided with a mounting hole; the mounting hole is used to connect the telescopic support; the first insulating support strut is connected to one end of the telescopic support through the mounting hole; the second insulating support strut is passed through The mounting hole is connected with the other end of the telescopic bracket.
Owner:BINZHOU POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER +1
Safe guarding device for power relaying protection field work
InactiveCN101651298BEasy to fixNot easy to fall offBoards/switchyards circuit arrangementsFuse disposition/arrangementEngineeringWork status
Owner:STATE GRID CORP OF CHINA +1
High-temperature resistant coating and preparation method thereof
ActiveCN101585988BSimple production processReduce manufacturing costFireproof paintsWater solubleHeating furnace
Owner:ZHANGZHOU XIN ZHAN WANG CHEM IND
Disposable safe self-destruction blood taking needle
InactiveCN105769218AEliminate Orientation Issues for DockingFacilitate automatic mechanical assemblyDiagnostic recording/measuringSensorsBiomedical engineeringStent
The invention aims to provide a disposable safe self-destruction blood taking needle which is simple in structure and effectively insulates and protects a blood taking needle head. The disposable safe self-destruction blood taking needle comprises a casing, a needle storage bracket, a needle seat, a spring and a needle head, wherein a clamping groove and a spring hole are formed in the casing; a chute is formed on the periphery of the outlet of the spring hole; clamping buckles, lifting jaws, limiting clamps, sliding jaws and a needle outlet hole are arranged on the needle storage bracket; the needle head is aligned at the needle outlet hole and fixedly connected with the needle seat; the needle seat is mounted on the lifting jaws and connected with the spring; the clamping groove of the casing is connected with the clamping buckles of the needle storage bracket; the limiting clamps are located between the lifting jaws and the sliding jaws and used for preventing the needle seat and the needle head from being separated from the needle storage bracket, and mechanical automatic assembly is facilitated.
Owner:祁健
Positive pressuring type head protecting cover
The invention provides a positive pressure protective helmet comprising defending headgear, head fixation apparatus, air-supply arrangement and air-supply casing, at the foreside of defending headgear mounted antifog windows, at the back mounted ventilator, at the neck mounted fixation flex, at the inner part mounted head fixation apparatus which is mounted air duct that connected air-supply arrangement and the air-supply arrangement is located in the air-supply casing. Said protective helmet supplies filtered air by toxicant filtering and vent portable means, keeping positive pressure when breath out or breath in. And this protective helmet has water vapour permeability and can obstruct poison solution, gas, and particulate outside clothing and low cost respecting one time insulation garment.
Owner:中国人民解放军总装备部防化军事代表局 +3
An external device for computer hardware testing that is easy to maintain
ActiveCN110442207BEasy maintenanceEasy hardware detectionDigital processing power distributionEngineeringStructural engineering
The invention discloses computer hardware detection external equipment convenient to maintain. The equipment comprises a shell, a control panel and an electrical element fixing plate, the side of theshell is fixedly connected with a side pipe; a rotating rod is fixed in the shell through a bearing; a screw rod is rotationally mounted in the side pipe through a bearing; the top edge of the bearingbottom plate is connected with a first side plate and a second side plate through hinges. An inner plate is connected to the center of the top of the bearing bottom plate, a strip-shaped hole is formed in the inner wall of the shell, the electrical element fixing plate is installed on the inner plate, a sliding piece is arranged in the second sliding groove, and the bottom of the sliding piece isconnected with the side edge of the electrical element fixing plate through a connecting rod. According to the computer hardware detection external equipment convenient to maintain, hardware detection of a computer can be conveniently carried out by taking out the equipment, meanwhile, isolation protection of taking-out use is carried out on the equipment body, meanwhile, the interior of the equipment can be conveniently maintained, and the practicability of the equipment is improved.
Owner:HUNAN UNIV OF ARTS & SCI
A kind of preparation method of concrete repair mortar
ActiveCN109851305BImprove stabilityProtects metabolic processesMicroorganism based processesOn/in organic carrierDistilled waterEthylic acid
The invention discloses a preparation method of concrete repairing mortar. The preparation method comprises the following steps: (1) adding citric acid into corn stalk powder, performing acidification, performing washing by using distilled water to neutrality, and performing drying to obtain acidified stalk powder; (2) mixing strain cells, a urea solution, a calcium acetate solution and a sodium alginate solution according to a certain weight ratio, performing stirring, allowing the stirred material to stand, adding the product into the acidified stalk powder obtained in the step (1), performing uniform mixing, and allowing the mixed material to stand to obtain a repairing liquid; and (3) mixing the repairing liquid obtained in the step (2), autoclaved quartz sand (particle size of 0.5-1.0mm) and water to form the mortar. According to the preparation method provided by the invention, the repairing mortar prepared by the method can be applied to internal structural repair of concrete,has strong bonding performance, is not easy to fall off, and has a stable repair effect, and wide applicability.
Owner:成都顺佳美恒新材料有限公司
Adsorptive, flame-resistant and biodegradable temporary protective coating
ActiveCN101735719BEffective isolation protectionImprove fire performanceFireproof paintsAnti-corrosive paintsAlcoholPreservative
The invention provides an adsorptive, flame-resistant and biodegradable temporary protective coating, which comprises the following components in percentage by mass: 80.0 to 55.0 percent of deionized water, 15.0 to 25.0 percent of propanetriol, 0.5 to 2.0 percent of xanthan gum, 0 to 1.0 percent of sodium carboxymethylcellulose, 3.4 to 12 percent of dihydric alcohol or trihydric alcohol condensation compound, 1.0 to 4.5 percent of triacetic acid glyceride, and 0.1 to 0.5 percent of conserving agent. The temporary protective coating has the advantages that: the temporary protective coating canbe used through spray coating or brush coating, and conglutinates dust and over-sprayed paint particles floating in the air mainly through the combined action of the characteristics of isolation, adsorption and flame retardance so as to fulfill the aim of further purifying the air; the temporary protective coating can effectively prevent spraying lacquer mist from influencing the coating quality in the coating process, and can effectively improve the fireproof performance of a coating workshop; the temporary protective coating can be cleaned away by water washing to save labors; the temporaryprotective coating is dissolvable in water and is biodegradable; and the temporary protective coating can have an effective isolating protective effect on walls of the coating workshop, devices, pipelines and the like, and prolong the service life of the devices.
Owner:SHANGHAI LICHANG ENVIRONMENTAL ENG
Protection insulating type change-over switch
InactiveCN1801419AQuality improvementAvoid damageElectric switchesAviationElectrical and Electronics engineering
The invention discloses a protective isolation switch, which comprises a shell, a contact base with head and tail engagement, an aviation connector, some wires, and protective isolation plates arranged on contact base. This invention solves the problems during using switch, such as electric arc, spark, damage to whole switch, and other hidden danger on security.
Owner:SHANGHAI PUHE TECH
A kind of anthracycline antitumor antibiotic compound micelle and its preparation method and application
ActiveCN107693487BAchieving passive targetingAvoid damageOrganic active ingredientsPharmaceutical non-active ingredientsAntitumor AntibioticsPharmaceutical drug
The invention discloses compound nano micelles simultaneously loaded with anthracycline antitumor antibiotics and salvianolic acid A, and a preparation method and an application thereof. The compoundmicelles contain a therapeutically effective amount of anthracycline antitumor antibiotics, salvianolic acid A and an amphiphilic high-molecular polymer; through combined action of electrostatic attraction between an alkaline group of the anthracycline antitumor antibiotics and an acidic group of salvianolic acid A and self-assembly of the amphiphilic high-molecular polymer in an aqueous medium, the two drugs are jointly stably wrapped in nano micelles by a simple physical encapsulation mode; the obtained compound micelles have uniform particle size, have the encapsulation rate of 95% or more,and has both the drug loading amount and the stability obviously better than those of single-drug micelles.
Owner:YANTAI UNIV
Protection insulating type change-over switch
The invention discloses a protective isolation switch, which comprises a shell, a contact base with head and tail engagement, an aviation connector, some wires, and protective isolation plates arranged on contact base. This invention solves the problems during using switch, such as electric arc, spark, damage to whole switch, and other hidden danger on security.
Owner:SHANGHAI PUHE TECH
A transport device for horizontal steel coils
ActiveCN105253461BPrevent lateral movementAvoid safety hazardsExternal framesEngineeringTorsion spring
The invention provides a transportation device for horizontal steel coils: it includes a bottom plate and symmetrically arranged left and right brackets arranged on the bottom plate. The corresponding surfaces of the left and right brackets are supporting slopes respectively. 1. The support slopes of the right bracket together form a V-shaped support space for supporting the recumbent steel coil. Grooves are respectively arranged on the support slopes of the left and right brackets, and the grooves are arranged along the axis when the steel coil is placed. Arranged in the direction, a transverse positioning stopper composition is provided in the groove. The transverse positioning stopper composition includes a rotating shaft and several blocks arranged on the rotating shaft and arranged axially along the rotating shaft. The rotating shaft is arranged in the groove Inside and connected with the left and right brackets, the stoppers are respectively hinged on the rotating shaft through corresponding torsion springs. The invention makes the recumbent steel coil play a good limit function in its lateral direction after being loaded, and effectively prevents the lateral movement of the steel coil when the transport vehicle crosses a curve, thereby solving the hidden safety hazard in the steel coil transportation process.
Owner:CRRC MEISHAN
Orthopedic repositor with kirschner wire guide device
PendingCN113100904AImprove surgical precisionShorten operation timeInternal osteosythesisEngineeringOrthopedic department
The invention discloses an orthopedics repositor with a kirschner wire guide device, and relates to the technical field of orthopedics repositor, in particular to an orthopedics repositor with a kirschner wire guide device, which comprises a guide pipe body; a sliding chute is formed in the top of the outer wall of the guide pipe body, a column seat is arranged in the guide pipe body, an adjusting screw rod penetrates out of the column seat and is sleeved with a double-thread sealing cover, the guide pipe body is provided with a holding mechanism, the column seat is provided with a pressing plate, the pressing plate is welded to the column seat, a plurality of groove holes are formed in the pressing plate, a limiting mechanism penetrates out of the groove holes, a sleeve penetrates out of the limiting mechanism, and a plurality of limiting holes are formed in the sleeve and are formed in the guide pipe body; and one end of the guide pipe body is connected with a locking sealing cover, and the locking sealing cover is welded and fixed to a baffle. According to the invention, the Kirschner wire is accurately implanted under the condition of effective resetting and fixing, so that the operation precision is improved, the operation time is shortened, and the possibility of mistakenly damaging surrounding blood vessels and nerves is reduced.
Owner:XUZHOU MEDICAL UNIV
A construction technique for backfilling and compacting power trenches on solar power generation surfaces
ActiveCN110552354BImprove stabilityIncreased durabilityPhotovoltaicsExcavationsArchitectural engineeringRoad surface
Owner:山东光实能源有限公司
High voltage isolation and bleeder circuit
ActiveCN108964650BSimple designImprove isolationFail-safe circuitsVoltage/current interference eliminationControl signalHemt circuits
Owner:CHINA NAT OFFSHORE OIL CORP +1
Novel insulation protection net of power transmission line
ActiveCN108199295AEffective isolation protectionGuaranteed uptimeApparatus for overhead lines/cablesArchitectural engineeringPower transmission
The invention relates to a novel insulation protection net of a power transmission line. The novel insulation protection net comprises a first insulation support strut, a second insulation support strut and a telescopic support, wherein the first insulation support strut and the second insulation support strut are same in size and structure, the first insulation support strut comprises a base, anaccommodating cavity is formed in a top end of the base, a telescopic tube is arranged in the accommodating cavity and comprises at least two sleeves, the at least two sleeves are sleeved with each other, a connection plate is welded with the sleeves at the top of the telescopic tube, an installation hole is formed in the connection plate and is used for connecting the telescopic support, the first insulation support strut is connected with one end of the telescopic support via the installation hole, and the second insulation support is connected with the other end of the telescopic support via the installation hole.
Owner:BINZHOU POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER +1
A construction method of an integrated underwater cap flexible water-stop structure
ActiveCN114086605BAvoid direct contactEnsure water-free construction work environmentClimate change adaptationProtective foundationWater stopWaterstop
The invention discloses a construction method for an integrated underwater cap flexible water-stop structure. The water-stop structure includes a pile foundation casing and a prefabricated cap casing. The prefabricated cap casing is set on the pile foundation casing. The top of the bottom plate is welded with a shear key through the embedded parts, and the bottom of the bottom plate is embedded with a capsule tray. The capsule tray is ring-shaped and arranged around the pile foundation casing. A ring-shaped groove is formed under the prefabricated platform cover box, and a water-tight capsule is arranged in the ring-shaped groove. The water-tight capsule is in the shape of a ring. Pressurized gas or pressurized liquid, the inner and outer ring surfaces of the capsule are respectively attached to the outer wall of the pile foundation casing and the inner wall of the capsule tray, and form a vertical water-tight sealing belt. The invention has the advantages of simple structure and convenient installation. Through the setting of the capsule tray, the direct contact between the water-stop capsule and the concrete surface is avoided, and the water-free construction operation environment of the underwater cap is effectively ensured.
Owner:CHINA CIVIL ENG CONSTR CORP
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