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1835results about How to "Great driving force" patented technology

Driving mechanism of dual-power automatic transfer switch

The invention relates to a driving mechanism of a dual-power automatic transfer switch. The driving mechanism mainly comprises a driving electromagnet assembly, a mounting bracket, a connecting plate, a push rod, a lever, an oscillating deck, a crank, a main switch rotating shaft, a connecting rod, a pin shaft, a rotating shaft, a first hinged shaft, a second hinged shaft, a connecting block, a shaft, a third hinged shaft and a fourth hinged shaft; the driving electromagnet assembly is composed of a magnet exciting coil, a dynamic iron core, a spring and a static iron core. The driving mechanism is characterized in that in the driving electromagnet assembly, linear motion in the horizontal direction of the dynamic iron core and the push rod is converted into linear motion of the pin shaft in the vertical direction through the oscillating deck, the lever, the connecting plate and the like, and linear motion of the pin shaft is converted into swing of the main switch rotating shaft around the axis through the connecting rod and the crank. Reciprocating swing of the main switch rotating shaft completes switching on and switching off actions of the whole switch. The oscillating deck plays a role in changing the motion direction. The lever plays a role in increasing thrust. A connecting rod crank mechanism plays a role in self-locking and preventing reversion.
Owner:GUIZHOU TAIYONG CHANGZHENG TECH CO LTD

Pipeline robot

The invention relates to a pipeline robot, which comprises a main pipeline robot body. The main pipeline robot body comprises a moving carrier, and the moving carrier comprises a carriage body, wheels, flexible wheel shafts, a rocker and slider mechanism, and also comprises a robot base, a holder, a rod mechanism, a lighting lamp and a camera connected with the holder, wherein the flexible wheel shafts are used for connecting the carriage body and the wheels; the rocker and the slider mechanism is connected with the carriage body and the flexible wheel shafts and used for adjusting included angles between the wheels and the carriage body; the robot base is arranged on the moving carrier; the rod mechanism is used for connecting the holder and the robot base; and the lighting lamp is arranged on the holder. The included angles between the robot wheels and the carriage body are adjustable so as to ensure that when the robot works in pipelines with different diameters, the peripheries of the wheels are still in vertical contact with wall surfaces, therefore, a contact area between the peripheries and the pipeline wall surface is increased, the robot can operate more stably in the pipeline; and moreover, the structure can provide larger driving force. The flexible shafts are adopted for connecting the driving wheels and the carriage body so that the included angles between the wheels and the main pipeline robot body are adjustable and the sufficient driving force can be ensured.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Method for self-circulation exploitation of geothermal energy of hot dry rock with multilateral well and volume fracturing technologies

InactiveCN105840146AAvoid the problem of not being able to connect efficientlyIncrease temperatureOther heat production devicesGeothermal energy generationInjection pressureDual action
The invention relates to the field of geothermal exploitation and provides a method for self-circulation exploitation of geothermal energy of hot dry rock with multilateral well and volume fracturing technologies. According to the method, firstly, multilateral well holes are drilled in different depths of a reservoir of the hot dry rock, the reservoir between upper and lower multilateral well holes is fractured with the volume fracturing technology, a high-permeability hot dry rock reservoir is constructed, and finally, thermal-carrying media are injected and exploited for geothermal exploitation. Annularly-injected low-temperature thermal-carrying media flow to the fractured reservoir of the hot dry rock along the multilateral well holes in the upper part of the reservoir, flow to the multilateral well holes in the lower part under the double actions of injection pressure and potential-energy difference and finally flow back to the ground along an oil pipe. According to the method, the multilateral well and fracturing technologies are sufficiently utilized, the reservoirs of the hot dry rock are effectively communicated, the problem about crack communication during conventional double-well fracturing for injection and exploitation is solved, the potential-energy difference in different depths can be further effectively utilized, and the flowing capability of the thermal-carrying media is greatly improved. With the use of the thermal insulation oil pipe, the thermal loss in the exploitation process of the thermal-carrying media is further reduced, and the exploitation efficiency of geothermal energy is improved.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Niobium, titanium and boron microalloy hot-rolled ribbed bar (HRB) 600 high-performance aseismic reinforcing bar and production thereof

ActiveCN102796962ALow strain agingIncreased strain agingProcess efficiency improvementNiobiumTitanium
The invention provides a niobium, titanium and boron microalloy hot-rolled ribbed bar (HRB) 600 high-performance aseismic reinforcing bar and production of the niobium, titanium and boron microalloy hot-rolled ribbed bar (HRB) 600 high-performance aseismic reinforcing bar. Through molten steel smelting, molten steel casting, billet controlled rolling and controlled cooling, the niobium, titanium and boron microalloy HRB600 high-performance aseismic reinforcing bar is produced and comprises the following chemical constituents according to mass ratio: 0.14-0.18% of C, 0.30-0.50% of Si, 0.50-0.75% of Mn, 0.50-0.70% of Cr, 0.030-0.050% of Nb, 0.0015-0.0030% of B, 0.020-0.040% of Ti, no more than 0.045% of S, no more than 0.045% of P and the balance of Fe and unavoidable impurities. The niobium, titanium and boron microalloy HRB600 high-performance aseismic reinforcing bar has the characteristics of low production cost, technological applicability, strong controllability and the like, the steel microstructure is uniformly distributed and has good form, the refining effect of ferrite is obvious, and the niobium, titanium and boron microalloy HRB600 high-performance aseismic reinforcement has good low-strain timeliness, high strength, good toughness, good welding performance, excellent aseismic performance and excellent combination property.
Owner:WUKUN STEEL

Dual-head 3D printer capable of rotatably switching printing heads

ActiveCN104228069AGuaranteed heightOvercoming problems with being at the same heightEngineering3d printer
The invention discloses a dual-head 3D printer capable of rotatably switching printing heads. The dual-head 3D printer is characterized by comprising a fixing plate, an installation plate which is arranged on the fixing plate, a first printing head and a second printing head, wherein the first printing head and the second printing head are installed on the installation plate in parallel; the fixing plate is provided with a fixed rotating shaft, and the installation plate is connected to the fixed rotating shaft in a way of rotating around the axis of the fixed rotating shaft; the first printing head is arranged below the fixed rotating shaft to the left side, and the second printing head is arranged below the fixed rotating shaft to the right side; and the dual-head 3D printer also comprises a drive mechanism for driving the installation plate to rotate along the fixed rotating shaft. The installation plate is driven by the drive mechanism to rotate, so that the structure that the heights of the two printing heads can be adjusted up and down relatively in the vertical direction, the working printing head is always maintained at a relatively low position, and the non-working printing head is maintained at a relatively high position; thus, the non-working printing head does not influence the surface of a molded workpiece, and the printing quality is improved.
Owner:苏州江南嘉捷光机电技术有限公司

Magnetic suspension linear motion platform based on combination of permanent magnets and electromagnets

The invention discloses a magnetic suspension linear motion platform based on the combination of permanent magnets and electromagnets. The electromagnets are vertically installed in a suspensoid, array permanent magnets are arranged on the surface of a guide rail, the suspension of the suspensoid can be realized by utilizing the principle of holopolarity repulsion between the electromagnets and the permanent magnets; and meanwhile, an eddy current displacement sensor is combined to realize the stable suspension of the suspensoid above the guide rail; two pairs of electromagnets are horizontally installed in the suspensoid, which can provide guidance for the linear motion of the platform by combining with the eddy current displacement sensor; a linear motor stator is fixed on a base, a linear motor rotor is fixed on the suspensoid, a grating ruler is arranged on the surface of the guide rail, and the reading head of the grating ruler is installed on the suspensoid, thus the precise linear positioning motion of the suspensoid can be realized. The platform provided by the invention can realize the functions such as super cleaning, high speed, long stroke, precise positioning motion and the like, which can not be realized by the traditional scheme that a rotary servo motor is utilized to drive, a precise ball screw is utilized to transmit and a slide guide is utilized to support, and has the advantages of good load bearing characteristic and stable suspension performance.
Owner:CENT SOUTH UNIV

Drilling device applied to graphite mold production

InactiveCN105414599ASolving Drilling ProblemsStrong targetingWorkpiecesTurning toolsElectric machineryReducer
The invention discloses a drilling device applied to graphite mold production. The drilling device comprises a frame and a drilling table; drilling longitudinal frames and a drilling transverse frame are arranged on the frame; the drilling longitudinal frames are positioned at the two sides of the frame; the drilling transverse frame is positioned between the drilling longitudinal frames, and is provided with a lifting driving mechanism and a lifting mechanism; the lifting mechanism includes lifting platforms and lifting lead screws; the lifting lead screws are mounted in the drilling longitudinal frames, and are connected with lifting lead screw connecting bases; the lifting lead screw connecting bases are connected with the lifting platforms; drilling mechanisms are arranged on the lifting platforms, and include drilling motors and drilling lead screws; the drilling motors are connected with drilling motor output shafts; the drilling motor output shafts are connected with drilling speed reducers; the drilling speed reducers are connected with the drilling lead screws; the drilling lead screws are connected with drilling bases; and the drilling bases are connected with drill rods. The machine is simple in structure, strong in pertinency, precise in positioning and excellent in drilling effect, and preferably solves the drilling problem in the graphite mold production.
Owner:SHENGZHOU SIGMA TECH

Nano-precision six-freedom-degree magnetic suspension jiggle station and application

The invention discloses a nano-precision six-freedom-degree magnetic suspension jiggle station and application. The jiggle station is mainly applied to semiconductor photoetching equipment. The jiggle station comprises a cross stand and four two-freedom-degree actuators. Each two-freedom-degree actuator comprises permanent magnets polarized along the vertical direction, a horizontal force coil and a vertical force coil, wherein the permanent magnet is fixed at the tail end of the cross stand, and the horizontal force coil and the vertical force coil are arranged on the lateral surface and the underside of the permanent magnet respectively and keep a clearance with the permanent magnet; the cross stand and four permanent magnets polarized along the vertical direction form a rotor of the jiggle station; the horizontal force coil and the vertical force coil are fixed by a coil framework respectively to form a stator of the jiggle station; and the stator is fixed on a pedestal of the jiggle station. The combination of two jiggle stations and a two-freedom-degree large-stroke linear motor can form a positioning system of a double silicon wafer station of a photoetching machine. The jiggle station has the characteristics of simple structure, large driving force, light mass and no cable disturbance, and easily realizes high-precision and high-acceleration six-freedom-degree jiggle.
Owner:TSINGHUA UNIV +1

Array substrate preparation method, array substrate, and organic light-emitting display device

The invention discloses an array substrate preparation method, an array substrate, and an organic light-emitting display device. The preparation method comprises the following steps: (1) sequentially forming a first metal layer, a first insulating material layer and a second metal layer, which cover a thin-film transistor region and a capacitor device region, on a substrate; and (2) etching the second metal layer, the first insulating material layer and the first metal layer with photoresist and a half-tone mask on the second metal layer, forming a source and a drain which are separated, a gate insulating layer and a bottom gate in the thin-film transistor region, and forming a second electrode, a first dielectric layer and a first electrode in the capacitor device region. Thus, the source, the drain, the gate insulating layer and the bottom gate of the thin-film transistor can be etched by one half-tone mask, the second electrode, the first dielectric layer and the first electrode of the capacitor device are formed at the same time, and the process is simplified. The array substrate of the invention has a dual-gate thin-film transistor and a capacitor device connected in parallel with two capacitors. The capacitor capacity is improved on the basis of increasing the driving force.
Owner:CHENGDU VISTAR OPTEOLECTRONICS CO LTD
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