Patents
Literature
Eureka-AI is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Eureka AI

345results about How to "Simple connection structure" patented technology

Heat exchanger integrated assembly

The invention provides a heat exchanger integrated assembly. The heat exchanger integrated assembly comprises a heat exchanger, an adaptation connecting device and an installation supporting frame used for fixing the integrated assembly, wherein one end of the adaptation connecting device is fixed to a matching part, and an outwards protruding third pipeline and an outwards protruding fourth pipeline are arranged at the other end of the adaptation connecting device; the installation supporting frame comprises an installation part bent at an included angle with the matching part, the installation part comprises at least two installation plates, at least one installation plate is located on the side, opposite to the side where the other installation plate is located, of the matching part, or the installation part comprises one installation plate and at least two connecting parts, and the gap between at least two adjacent connecting parts is larger than the gap between other adjacent connecting parts. Each installation plate is provided with a plurality of installation holes, and the installation holes are completely exposed outside the heat exchanger and the adaptation connecting device in the installation direction penetrating through the installation holes. The heat exchanger integrated assembly is simple in structure, good in refrigeration effect, high in stability of the installation supporting frame and high in vibration strength.
Owner:ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO LTD

Master and slave control method based on high-voltage big-power transducer

InactiveCN101917148ABreak the shacklesAvoid the requirement of high-speed precise transferMultiple ac dynamo-electric motors controlFrequency changerWave shape
The invention discloses a master and slave control method based on a high-voltage big-power transducer, which is characterized by mainly comprising the following steps: N cascading high-voltage big-power transducers are connected to an optical fiber adapter plate connected with a master control system, and one high-voltage big-power transducer is appointed as master control driving, the rest is slave control driving, and N is greater than or equal to 2; the master control system is electrified, and the master control driving operates according to the given frequency f0; the master control system calculates the master voltage modulation wave form of the master control driving, and the master voltage modulation wave form is sent to the optical fiber adapter plate; the optical fiber adapter plate divides obtained master voltage modulation wave form into N-1 paths of completely same secondary voltage modulation wave forms and inputs the N-1 paths into the corresponding slave control driving. The invention fully utilizes the basic principle that a motor can be provided with completely same input voltage if two transducers input completely same PWM wave, thus effectively avoiding the requirement of high-speed precise transmission when a velocity sensor, a speed signal and a torque signal are used.
Owner:DONGFANG HITACHI CHENGDU ELECTRICAL CONTROL EQUIP CO LTD

Prefabricated prestressed concrete frame beam-column joint making disparate use of high performance materials

The invention discloses a prefabricated prestressed concrete frame beam-column joint making disparate use of high performance materials, comprising prefabricated concrete beams, prefabricated concrete columns, prefabricated beam-bottom prestressed tendons, common rebars, beam-top common rebars, in-column vertical rebars, sleeves, connecting rebars, and U-shaped rebars. Post-cast sections are reserved at two ends of the pre-fabricated beams, and the prestressed tendons fitted to the bottom of the prefabricated beams extend out of beam ends and are anchored to the beam-end post-cast sections, forming the prefabricated concrete beam-column joint with the prefabricated concrete beams and columns through post-cast concrete. In order to ensure the integrity of the beam-column joint, the beam-bottom common stressed rebars are connected with aseismic rebars through the sleeves and the U-shaped rebars are disposed in a joint post-cast area. In order to improve the energy dissipating capacity of the beam-column joint, the two ends of the prefabricated beams are made by casting high ultimate strain concrete. The invention reduces the production and construction difficulty, decreases the section height or steel usage of the prefabricated concrete beams and ensures the integrity and aseismic performance of the beam-column joint.
Owner:SOUTHEAST UNIV

Prefabricated prestressed concrete frame beam column joint with U-shaped steel bar and sleeves

The invention discloses a prefabricated prestressed concrete frame beam column joint with a U-shaped steel bar and sleeves. The prefabricated prestressed concrete frame beam column joint mainly comprises a prefabricated concrete beam, a prefabricated concrete column, prefabricated beam-bottom prestressed steel bars, prefabricated beam-bottom ordinary stressed steel bars, beam-top ordinary stressed steel bars, longitudinal steel bars in the column, the U-shaped steel bar and aseismic steel bars and the connecting sleeves thereof; post-casting sections are reserved at the two ends of the prefabricated beam, and the prestressed steel bars assembled at the bottom of the prefabricated beam stretch out of the beam ends and are anchored to the post-casting sections reserved at the beam ends to form the prefabricated concrete frame beam column joint with the prefabricated beam column through post-casting concrete. The ordinary stressed steel bars stretching out from the bottom of the beam are connected with the aseismic steel bars through the sleeves, the U-shaped steel bar is arranged on the post-casting area of the joint, and therefore the integrality of the beam column joint is enhanced. Accordingly, the production and construction difficulty is reduced, the section height or the steel dosage of the prefabricated concrete beam is decreased, and the integrality and aseismic property of the beam column joint are guaranteed.
Owner:SOUTHEAST UNIV

Ground wire device with early warning and electricity testing function

The invention relates to the electrician unkeep tool technical field, and specifically relates to a ground wire device with early warning and electricity testing functions; the ground wire device comprises a wiring frame clamp with one side opening, wherein the wiring frame clamp is formed by a top plate, a clamp plate, a side plate and a bottom plate; the clamp plate is connected with the side plate through a slide block and a slide groove, so corresponding surfaces of the top plate and the clamp plate can form a wire jaw; one end of a push-pull rod is connected with the clamp plate, and the other end penetrates the bottom plate and is placed in an insulation rod; the push-pull rod between the clamp plate and the bottom plate is provided with a pressure spring; the insulation rod is provided with an approach electric alarm and a hoop; an arc-shaped brake rod penetrates a brake rod slide groove on the insulation rod and is connected with the push-pull rod; two ends of the insulation rod are respectively connected with the bottom plate and a telescopic rod; the top of the wiring frame clamp is provided with a voice type high voltage electric tester and a wire foreign matter removing scissors; the side face of the wiring frame clamp is provided with a ground lead wire having a ground screw; the ground screw is provided with a foot pad. The ground wire device is high in safety, easy to control, and can greatly improve working efficiency of power working personnel.
Owner:WEIHAI WENDENG POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO +1

Concrete vibrating rod

The invention relates to a concrete vibrating rod. The concrete vibrating rod comprises a shell (1), the interior of the shell is divided into an upper chamber and a lower chamber through a bearing pedestal (4), the upper chamber is provided with a variable frequency controller (2) and an alternating current motor (3), an eccentric shaft (5) is connected with an output shaft of the alternating current motor, the lower chamber is sequentially provided with a silencing cover (6) and a bushing (8), and a sound sensor (10) connected with the variable frequency controller is arranged outside the shell. A connection portion arranged on the outer surface of the shell fixes a heating phase-change cover (14) to the outer surface of the shell. The heating phase-change cover is a sealed cavity filled with phase-change materials (19), an electric heating device (20) is arranged on the inner side of the outer wall (15) of the heating phase-change cover, a reflecting film (21) and a heat insulation layer (22) are sequentially arranged on the inner side of the inner wall (16) of the heating phase-change cover, and the outer surface of the outer wall of the heating phase-change cover is provided with a temperature sensor connected with a temperature control device of the electric heating device. The concrete vibrating rod is used for concrete pouring, can achieve vibration and heating of concrete, effectively saves energy, and reduces noise.
Owner:杨涛涛

Circuit breaker interlocking component

The invention provides a circuit breaker interlocking component which is arranged in the energy storage operating mechanism of a circuit breaker and comprises an interlocking guide rod, a closing guide rod and an energy storage indicating member. The energy storage operating mechanism of the circuit breaker comprises a control component which is connected with the interlocking component in a driving manner and a rotating shaft component which is used for driving closing and separating. The middle part of the interlocking guide rod is rotatably installed on the energy storage operating mechanism. One end of the interlocking guide rod is provided with a limiting part which is arranged to be corresponding to the rotating shaft component and the energy storage indicating member, and the other end of the interlocking guide rod is provided with a driving part which is connected with the closing guide rod in a contact manner. The rotating shaft component and the energy storage indicating member can be cooperated with the limiting part of the interlocking guide rod in the contact manner so that the interlocking guide rod is enabled to act on the closing guide rod. When the energy storage operating mechanism is in the separating energy storage state, the driving part of the interlocking guide rod does not limit the closing interlocking part of the closing guide rod. The circuit breaker interlocking component is accurate in installation, stable in cooperation and compact in structure.
Owner:ZHEJIANG CHINT ELECTRIC CO LTD +1

Magnetic levitation overspeed test bed for impeller overspeed test

The invention discloses a magnetic levitation overspeed test bed for an impeller overspeed test. The magnetic levitation overspeed test bed comprises a support, a main machine, an electric control cabinet and a vacuum pump. The main machine, the electric control cabinet and the vacuum pump are installed on the support. The main machine comprises a motor shell, a motor rotor and a motor stator, wherein the motor rotor and the motor stator are installed in the motor shell. The upper tail end of the motor rotor extends out of the upper end face of the motor shell. The motor rotor is provided with an upper radial magnetic bearing, a lower radial magnetic bearing, an upper thrust magnetic bearing, a lower thrust magnetic bearing and a thrust disc. The upper tail end of the motor rotor is connected with a safety connector and a pull rod screw which are used for fixing an impeller to the upper end of the motor rotor. A protective cover is arranged at the position, around the impeller, of the motor shell. A protective cover lid is installed on the protective cover. The upper surface of the motor shell, the protective cover and the protective cover lid jointly form a closed contained wrapping the impeller. A buffer block is installed on the inner wall of the protective cover. A vacuumizing connector is formed on the protective cover lid. A vacuumizing pipe is installed on the vacuumizing connector. The other end of the vacuumizing pipe is connected to the vacuum pump.
Owner:NANJING CIGU TECH CORP LTD

Internet of Things device and Internet of Things system

The invention is applicable to the field of Internet of Things, and provides an Internet of Things device and an Internet of Things system. The Internet of Things device comprises multiple execution mechanisms with different functions and an intelligent control mechanism for controlling the execution mechanism to run. As the intelligent control mechanism in the Internet of Things device can receive an instruction and control the multiple execution mechanisms with different functions to run, cost is reduced, and work efficiency of the Internet of Things device is improved; as a network is formed by a portal server and the connected Internet of Things device, the connecting structure of the Internet of Things system is simplified, and the networking efficiency of the Internet of Things system is improved; as a user can control the Internet of Things device through the portal server and a cloud server, and the portal server can work independently to maintain intelligent operation of the Internet of Things system when the network connection of the cloud server is interrupted, safe and reliable operation of the Internet of Things system is guaranteed, convenience is brought to the use of the user, generalization and application of the Internet of Things technology are facilitated, and integral development of the Internet of Things technology is finally facilitated.
Owner:刘杰

Separation-connection locking apparatus for transmission shaft of drawer holder base of universal circuit breaker

The invention discloses a separation-connection locking apparatus for a transmission shaft of a drawer holder base of a universal circuit breaker. The separation-connection locking apparatus comprises a transmission shaft I, a transmission shaft II, a separation-connection buckle I, a separation-connection buckle II, a pushing apparatus, a limiting part, an energy storage part and a reset apparatus, wherein the transmission shaft is used for driving a dragging plate to slide; the transmission shaft II is rotationally connected with the drawer holder; the separation-connection buckle I is in transmission connection with the transmission shaft I; the separation-connection buckle II is connected with the transmission shaft II and is driven by the transmission shaft II to rotate; the pushing apparatus is used for pushing the separation-connection buckle I or the separation-connection buckle II to move to enable the separation-connection buckle I and the separation-connection buckle II to be clamped so as to form transmission connection; the limiting part is used for locking the pushing apparatus under the action of the energy storage part to enable the clamping state of the separation-connection buckle I and the separation-connection buckle II to be stable; a rotation shaft is provided with a convex part I; when the circuit breaker body is in an operating position, the limiting part is pushed to remove the locking state of the pushing apparatus; and the reset apparatus enables the separation-connection buckle I and the separation-connection buckle II to be separated when the locking state of the pushing apparatus is removed. The separation-connection locking apparatus has the beneficial effects that the collisions of parts in the draw holder can be reduced, the service life can be prolonged and the precision can be improved.
Owner:乐清市振弘开关有限公司

Connection structure of lugs and cover plate of battery

The invention discloses a connection structure of lugs and a cover plate of a battery, which comprises the lugs and the cover plate, wherein the lugs are led out from the end of a battery coil core and are also provided with a lug lead-out device arranged at the end of the coil core; the lug lead-out device is provided with an insulation layer contacting the end of the coil core and a conductive layer far away from the end of the coil core; the lugs are electrically connected with the conductive layer; and the conductive layer is electrically connected with the cover plate. The connection structure also comprises a connecting piece and a second gasket stacked between the conductive layer of the lug lead-out device and the cover plate; and the connecting piece tightly compresses the lugs between the second gasket and the conductive layer of the lug lead-out device. The lugs are connected to the lug lead-out device and are mechanically compressed through the second gasket so as to ensurereliable connection of the lugs and the cover plate, reduce the inner resistance of the battery and ensure firm fixation of the coil core. The connection structure is simple in assembly process, is suitable for line production and is suitable for assembling the batteries of hybrid electric automobiles with multiple lugs and large volume and pure electric automobiles or is used for assembling large storage batteries.
Owner:SHENZHEN BAK BATTERY CO LTD

Container-type modular building unit and assembly house

The invention provides a container-type modular building unit and an assembly house. The container-type modular building unit comprises a main body frame and connecting pieces, wherein the main body frame comprises four vertical columns, each vertical column comprises a hollow special-shaped steel column, a column top plate connected to the top end of the corresponding special-shaped steel columnand a column bottom plate connected to the bottom end of the corresponding special-shaped steel column, each special-shaped steel column is formed by arranging an axially penetrating therethrough gapin one side edge of a square steel tube, each gap faces the inner side of the main body frame, and the column top plates and the column bottom plates are provided with transportation holes making theinner portions of the special-shaped steel columns communicated with the outer portions of the special-shaped steel columns respectively; connecting pieces are arranged in the special-shaped steel columns through the gaps and can be in inserted connection with the transportation holes in the column top plates or the column bottom plates, and the connecting pieces are provided with first perforations capable of making the inner portions of the special-shaped steel columns communicated with the outer portions of the special-shaped steel columns and allowing connecting bolts to penetrate through.The container-type modular building unit can be assembled into the house in a complete bolted connection mode, the connection structure is safe, and the disassembly and assembly are convenient.
Owner:MCC CAPITAL ENGINEERING & RESEARCH

Agricultural irrigation device with height conveniently adjusted

The invention discloses an agricultural sprinkler irrigation device with convenient height adjustment, comprising a support frame, a rotating seat and a sprinkler head body, the support frame is fixed on the bottom of the sprinkler head body, and the support frame comprises three support legs, two sliding support legs and a sprinkler head body. An adjusting support leg, the support legs are evenly distributed on the bottom of the rotating base, the support leg is rotatably connected with the rotating base, the spray head body includes a spray head column, a spray head pipe and a nozzle, the spray head column and the spray head pipe are fixedly connected, The bottom end of the spray head column is provided with a rotating seat, the rotating seat is rotatably connected with the spray head column, the lower end of the spray head column is provided with a water pipe interface, and the top end of the spray head column is provided with a rotating handwheel, and the rotating handwheel is connected to the spray head column through threads. The nozzle column is connected in rotation, and a push rod is arranged under the rotating handwheel. By using the spiral telescopic rod, it is convenient to freely adjust the height of the support frame, and the adjustment is more convenient.
Owner:MAANSHAN ZHICHENG SCI & TECH

High-voltage circuit breaker

The invention provides a high-voltage circuit breaker. The circuit breaker comprises an A phase ceramic sleeve, a B phase ceramic sleeve, a C phase ceramic sleeve, a first connecting lever box, a second connecting lever box, a third connecting lever box and a transmission structure; the A phase ceramic sleeve, the B phase ceramic sleeve and the C phase ceramic sleeve are respectively connected with the transmission structure through the first connecting lever box, the second connecting lever box and the third connecting lever box. The high-voltage circuit breaker is simple in connection structure; the transmission structure with a driving motor is adopted only; compared with the traditional circuit breaker, the high-voltage circuit breaker has the advantages that the parts are greatly reduced, and the reliability is improved; an abutting flange and a medium flange of a three-phase high-voltage circuit breaker are saved, the length of a main transmission shaft is reduced, so that the rotational inertia of the whole transmission structure can be fully reduced, and as a result, the strict requirements on starting torque of the driving motor, acceleration and overload capacity can be decreased; the high-voltage circuit breaker of such structure can be applied to the actual engineering, and the model of the driving motor can be conveniently selected.
Owner:STATE GRID CORP OF CHINA +2
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products