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Device for strengthening connection of duct piece and ballast bed
ActiveCN222513085USimple structurequick installationUnderground chambersBallastwayMarine engineeringStructural engineering
The utility model discloses a device for strengthening the connection of a duct piece and a ballast bed, which comprises a connector, a cylindrical screw rod and an anchoring head, the connector is positioned at the lower part of the device and is used for realizing the connection with a duct piece bolt; the anchoring head is located on the upper portion of the device and embedded in a ballast bed. Compared with the prior art, the utility model has the positive effects that an integrated connecting device is adopted, one end of the integrated connecting device is a connector matched with a pipe piece hand hole, the other end of the integrated connecting device is a conical anchoring head poured in ballast bed concrete, and the middle of the integrated connecting device is of a cylindrical rod body structure. The connecting structure is simple in structure, good in manufacturability, convenient to construct, good in universality and reliable in connection, the connecting capacity of the ballast bed and the duct piece is enhanced, and the situation that the duct piece is disengaged from the ballast bed is effectively reduced.
Owner:CHINA RAILWAY LONGCHANG MATERIALS
A reinforced concrete embedded column base joint with special-shaped section and reinforced steel framework
ActiveCN117627277Bgood connection effectImprove punching resistanceStrutsProtective buildings/sheltersArchitectural engineeringRebar
This invention provides a reinforced, irregularly shaped cross-section steel-concrete composite column base joint, comprising an irregularly shaped cross-section steel-concrete composite column. The lower perimeter of the irregularly shaped cross-section steel-concrete composite column is surrounded by a reinforcing steel reinforcement cage, which includes upward and downward reinforcing bars embedded in the foundation. By adding a reinforcing steel reinforcement cage around the irregularly shaped cross-section steel-concrete composite column, and embedding the upward and downward reinforcing bars of the cage into the foundation, this invention effectively enhances the connection between the column base joint and the surrounding foundation concrete, thereby improving the punching shear resistance and seismic resistance of the column base joint, and ultimately reducing the embedment depth of the embedded column base.
Owner:HEFEI UNIV OF TECH
Magnetic core product inductance testing device and testing method
ActiveCN119574984ARealize automatic connectionImprove connection efficiencyInductance measurementsCopper wireTester device
The invention provides a magnetic core product inductance testing device and method, and relates to the technical field of inductance testing, and the device comprises an installation unit, a conductive unit, a pressing unit and a connection unit. The conductive unit is mounted on the mounting unit; the pressing unit is mounted at the top of the mounting unit, the conductive unit is located below the pressing unit, and the pressing unit is used for pressing the conductive unit; the connecting unit is mounted outside the mounting unit, and the connecting unit is used for connecting an external test instrument with the conductive unit; according to the invention, the connection efficiency of the copper wire of the magnetic core product and the external test instrument is improved, and the disconnection efficiency of the copper wire of the magnetic core product and the external test instrument is also improved; the problems that a copper wire on a magnetic core product is generally connected with a wire on a test instrument through an alligator clip, so that the copper wire on the magnetic core product and the wire on the test instrument are troublesome to connect and disassemble, and the inductance test efficiency of the magnetic core product is affected are solved.
Owner:CHANGDE PUJING ELECTRONIC TECH CO LTD
Lightning protection transformer
ActiveCN222338050Ugood connection effectImprove installation efficiencyClimate change adaptationTransformers/inductances coils/windings/connectionsDetonatorTransformer
The lightning protection transformer comprises a transformer body, a power connection pile and a plurality of ray devices, the grounding end of the transformer body is electrically connected with the surface of the power connection pile through a wire, a plurality of ray holes are formed in the surface of the power connection pile, and the ray devices are fixed in the ray holes. An excitation wire harness used for electrifying the ray device is arranged in the power connection pile, the ray device comprises an excitation seat, a ray tube, a bullet head part and an electrode wire, and a detonator connected with the excitation wire harness is fixedly mounted at one end of the excitation seat. According to the utility model, through the arrangement of the novel transformer grounding structure, the power connection pile is nailed into the ground of the foundation, and the bullet traction electrode lead is led out to be in contact with the ground in an explosion jet mode, so that a dense root-shaped electrode network structure is formed, and the power connection effect with the foundation is improved.
Owner:HARBIN SPECIAL TRANSFORMER FACTORY CO LTD
Production line for titanium alloy continuous pipe making
PendingCN121989056Areduce movementGuaranteed alignmentOther manufacturing equipments/toolsContinuous/uninterruptedProduction line
The invention belongs to the technical field of pipeline welding production lines, and particularly relates to a titanium alloy continuous pipe making production line which comprises a connection welding station and a pipe seam welding station which are arranged in sequence. The punching mechanism and the connection welding mechanism arranged on the connection welding station can alternately move to the titanium alloy belt, the end of the titanium alloy belt is cut off firstly, then welding is conducted, and in the process, movement of the titanium alloy belt is reduced, so that alignment of the connection position is guaranteed, and the connection effect and the connection welding quality are improved. The pipe seam welding station provides a welding power source suitable for continuous welding of the ultra-long welding seam for the TIG welding gun and the deep penetration welding gun, so that when the ultra-long welding seam with the distance of 1000-12000 m or above is continuously and uninterruptedly welded for 48-500 hours, the situation that arc stopping events are accidentally triggered, and secondary arc starting is needed is reduced, and the welding efficiency is improved. Accidental arcing accidents caused by interference of external irresistible factors such as accidental power failure are reduced, and the welding yield is guaranteed.
Owner:GUANGDONG FUWEIDE WELDING
Connection mechanism of transfer trolley and storage mechanism
ActiveCN222573718Ueasy to transportgood connection effectLoading/unloadingVehicle frameControl engineering
Owner:DINGLI AUTOMATIC TECH CO LTD
Battery and cover plate assembly thereof
ActiveCN224217578USimple structureEasy to assembleCell component detailsElectrical batteryStructural engineering
The utility model discloses a cover plate assembly which comprises a cover plate, a tab lead-out hole is arranged on the cover plate, a tab adapter is arranged in the tab lead-out hole, the tab adapter and the cover plate are insulated and sealed, a tab adapter hole is arranged in the tab adapter, and the tab adapter hole is communicated with the tab lead-out hole. And the geometric dimensions of the tab transfer holes are gradually reduced from inside to outside. The utility model further discloses a battery which comprises a battery body, the battery body comprises a shell and a battery cell, the shell comprises an outer shell and a cover plate assembly covering the outer shell, the cover plate assembly adopts the cover plate assembly, the battery cell is provided with tabs, and the tabs are arranged on the battery cell. Pole columns matched with the pole lug adapter holes are welded on the pole lugs; and the pole columns and the pole lug adapter pieces are welded and sealed by a circle. The battery and the cover plate assembly thereof disclosed by the utility model have the advantages of simple structure and convenience in assembly, and the sealing performance and the electrical connection performance of the tabs can be ensured.
Owner:NINE RING TIMES BATTERY CO LTD
A type of curtain track
ActiveCN119949654BSimple structureEnsure connection stabilityCurtain suspension devicesTrackwayClassical mechanics
Owner:HANGZHOU WISTAR MECHANICAL& ELECTRIC TECH CO LTD
Luggage position information tracking system and method in passenger and freight mixed transportation scene
PendingCN122066334ARealize tracking and identificationgood connection effectParticular environment based servicesCharacter and pattern recognitionVideo monitoringIn vehicle
The invention relates to a luggage position information tracking system and method in a passenger and freight mixed transportation scene, and belongs to the technical field of rail transit, and the luggage position information tracking method in the passenger and freight mixed transportation scene comprises a luggage processing system, a train operation control system, a vehicle-mounted video monitoring system CCTV and a train control and management system TCMS. According to the invention, real-time tracking of the luggage position information is realized, and the luggage processing system can be combined with the mobile terminal technology to send the luggage transportation position to the passenger and send the luggage barrow transportation position to the operator subsequently, so that the passenger transportation and freight transportation service level of the urban terminal can be greatly improved.
Owner:CRSC RESEARCH & DESIGN INSTITUTE GROUP CO LTD