32results about How to "Improved resistance to overload" patented technology

The invention relates to an angular rate gyroscope which has the variable-thickness axisymmetric multi-curved surface fusion structural feature and takes an oscillator with a campaniform structure as a sensitive element. The angular rate gyroscope consists of the oscillator, an oscillator support structure, an airtight cover, a cylindrical outer frame and a system circuit, wherein the oscillator is made of a quartz material and is machined integrally for forming with a phi-shaped support rod; the upper and the lower ends of the support rod are respectively fixed to the top end of a support cover and the central position of a support base plate; a driving electrode and a vibration mode stable electrode are attached to the support cover; a detection electrode is arranged in the inner space of the campaniform oscillator; the airtight cover and the cylindrical outer frame are sequentially arranged outside a support structure; and the system circuit is positioned between the bottom of the airtight cover and the outer frame. The angular rate gyroscope is suitable for the application field of measuring medium and low-precision angular rate in the high dynamic environment, and the oscillator with the campaniform structure has the high quality factors and high overload capacity resistance and has the characteristics of hold facility during power failure, simple structure, suitability for batch production and the like.

The invention discloses a high-conductivity non-heat-treatment type moderate-intensity aluminum alloy wire and a production method of the high-conductivity non-heat-treatment type moderate-intensity aluminum alloy wire. The high-conductivity non-heat-treatment type moderate-intensity aluminum alloy wire is produced by finely selecting ingredients and contents of aluminum alloy and conducting process control. The specific steps are as follows: selecting Fe, Si, Mg, Cu and Re with different weight percents, melting aluminum ingot with the content not more than 0.03% in a vertical melting furnace, adding alloying elements in a heat insulation furnace, stirring, refining, conducting on-the-spot contents rapid analysis, carrying out content adjustment, and standing, enabling the aluminum ingot and the alloying element into a continuous casting machine for casting, rolling to be a circular aluminum alloy rod on a continuous rolling machine, pulling the circular aluminum alloy rod to be a circular aluminum alloy wire and twisting the circular aluminum alloy wire to be a conductor for aerial power transmission and distribution. According to the application of the aluminum alloy wire and the production method of the aluminum alloy wire, the aluminum alloy wire directly replaces the generally used aluminum conductor steel reinforced and is an energy-saving, environment-friendly and novel wire.

The invention relates to a mobile multi-stage hydraulic-drive pneumatic spray dust-settling truck, mainly solving technical problems of high investment caused by individual use of spray dust-settling devices and poor effect caused by common use of the spray dust-settling devices due to far distance on conditions of multiple and dispersed dust source points, variable dust source locations and complicated conditions of dust sources. The technical scheme includes that a water storage tank is connected with a high-pressure water pump through a water pipe and high-pressure water is pumped to a spraying assembly; a hydraulic station is connected to a hydraulic motor of a mist spraying device through a high-pressure oil pipe to drive an impeller of axle-flow fans to generate high-pressure air flows, the high-pressure air flows send mist to a dust working face, and high-pressure oil of a hydraulic station is connected to a hydraulic cylinder; the mist spraying device is lifted and then is driven to oscillate around a rotating bearing by a motor and a reduction gearbox via a rotational driving gear; a carriage engine drives a power generator through a double-output transmission in a gear shifting manner so that power required for system running is obtained. The mobile multi-stage hydraulic-drive pneumatic spray dust-settling truck is mainly used for far-distance large-range dust settling and removing and firefighting in fugitive emission fields such as tunnel heading, blast mining, loading, crushing and unloading.

The invention relates to a powder reinforced stirring friction riveting device. The powder reinforced stirring friction riveting device comprises a stirring friction riveting main shaft, a C-shaped rack and a workbench, wherein the stirring friction riveting main shaft comprises a rotary mechanism, a feeding mechanism, a vibrating/rotating mixing mechanism and a powder feeding mechanism; the stirring friction riveting main shaft is used for realizing the rotary motion and feed motion of a rivet and feeding and mixing powder; the C-shaped rack is used for fixing the stirring friction riveting main shaft and the workbench; and the workbench is mainly composed of a force cell, a sensor head, a tool die and a tool pressing plate and is used for clamping a to-be-riveted workpiece and testing the riveting acting force of the main shaft in real time. According to the powder reinforced stirring friction riveting device, the powder reinforced stirring friction riveting between same or differentlight plates at room temperature can be realized, a riveted stirring friction riveting joint without key hole defects and with good joint forming quality and high connecting strength can be obtained,the required riveting forming force is less than that of traditional riveting, and the powder reinforced stirring friction riveting device has the advantages of high efficiency, simplicity and convenience in operation and low energy consumption.

The invention discloses a large central transmission sludge scrapper with flexible lifting rakes, which is used for sludge treatment of environmental protection and essentially comprises a 2 to 4 cycloids planetary gear drive device (1) with overtorque protection and torque display, a truss (2), a water inlet pipe (3), a rotary torque arm (4), an overflow weir (5), an water outlet pipe (6), a hinged joint (7), a central rotary cage (8), an oil collector (9), an oil scrapper rake (10), an oil outlet pipe (11), steel wire ropes (12), a sludge scrapper rake (13), a sludge discharge outlet (14), a truss radical sedimentation basin (15), a feeding steady flow tube (16), a rotary support (17), a pinion wheel (18), etc. The large central transmission sludge scrapper of the invention can realize the transmission of high torque and guarantee the effect of sludge scrapping, high-efficiency and stable operation, and is particularly applicable to a large radial sedimentation basin with the diameter equal to or more than 45 meters.

The invention provides a stable column-type weighing sensor structure, and relates to the technical field of load-bearing sensors. The stable column type weighing sensor structure comprises an elastic body, a base, a wire outlet plate, an expansion piece, a pressure head and a steel ball, the elastic body comprises a main body, a first connecting piece and a second connecting piece, and the side edge of the first connecting piece is provided with a first insertion hole; the base is provided with a fixing hole, a limiting plate, an anti-rotation pin, a fixing bolt, a first bolt hole and an anti-rotation pin hole, the wire outlet plate is provided with a cable, a cable hole and a cable connector piece, the side, close to the wire outlet plate, of the cable connector piece is provided with a connector, and the wire outlet plate is provided with a second insertion hole through which the connector can penetrate conveniently; and the side, close to the second connecting piece, of the expansion piece is provided with a connecting hole for facilitating insertion of the second connecting piece. The stable column type weighing sensor structure is simple in structure, small in size, light in weight, high in precision, high in toppling resistance, good in self-resetting effect, good in lateral force resistance and high in overload resistance.

The invention relates to a multi-beam structure combined radio frequency micro-electro-mechanical system resonator and an application, wherein the multi-beam structure combined radio frequency micro-electro-mechanical system resonator comprises an electro-mechanical conversion beam unit which is a transduction assembly of the input end and the output end of the resonator; an energy transmission beam which is a connecting structure of the electromechanical conversion beam unit; an electrode for applying a drive excitation; a dielectric layer which is a gap layer between the electromechanical conversion beam unit and the electrode; a base that plays a role in supporting the resonator; and a supporting structure used for realizing the suspension of the resonator. The multiple beam structuresachieve modal coupling through frequency matching, the distortion degree is small, a high Q value can be maintained and flexible setting of multiple resonant frequencies is achieved; so that good impact resistance and overload resistance are achieved, the beam structures can be used for constructing a multi-mode, multi-frequency-band and reconfigurable advanced wireless communication system, and the application potential of the beam structures under complex environment conditions is enhanced; therefore, internet-of-things effect is improved, and the environmental perception ability is enhanced.

The invention discloses a wire winding mechanism and a wire winding method of a wire cutting machine. The wire winding mechanism comprises a base plate, a wire storage barrel, a first guide wheel, a second guide wheel, a third guide wheel, a fourth guide wheel and a wire electrode, wherein a guide rail device, a pulley block tensioning device, a tension stroke indicating plate and a pointer are arranged on the base plate; the pulley block tensioning device comprises a balancing weight, a fixed pulley block, a movable pulley block, a movable pulley block fixed plate and a guide rail device limit block; the guide rail device comprise a guide rail and a sliding block; the fixed pulley block, the guide rail, the tension stroke indicating plate and the guide rail device limit block are fixed to the bottom plate; the movable pulley block, the balancing weight and the pointer are fixed to the movable pulley block fixed plate; the movable pulley block fixed plate is fixed to the sliding block of the guide rail device; the sliding block is fixed to the guide rail and slides along the guide rail; the guide rail device limit block is arranged at the tail end of the lower part of the guide rail. The wire winding mechanism and the wire winding method of the wire cutting machine have the advantages that the structure is simple, the manufacturing is simple, the cost is lower, the machining precision and the processing efficiency of wire cutting are better improved, and the economic benefits are higher.

The invention relates to an oil extraction device, which is used in order to realize extraction or improve recovery when ultra-thick and ultra-high condensate crude oil occurs in the crude oil extraction process, in particular to a modulation wave pumping rod electrical-heating oil extraction device, comprising a 0 to 20Hz modulation wave power, a hollow polish rod, a hollow rod insulating short section, a sucker rod, a sucker rod coupling insulating centralizer, in/out door cables and a sliding contactor; the modulation wave pumping rod electrical-heating oil extraction device is characterized in that the lower end of the hollow polish rod is connected with the hollow rod insulating short section which consists of insulation substance infused between an outer pipe and an inner rod and staggered multi-layer inner and outer compression rings and insulation rings; the device uses the modulation wave power to supply power, has no unbalance loading and little complex pollution on grid, can transfer electrical heat on an ideal carrier, namely the sucker rod, thereby causing the crude oil to get higher and more ideal temperature rise with the same electrical energy consumption; the self reactive loss of the device is low, therefore, the device has good energy-saving effect and anti-overload ability so as to adapt to the needs of different environments.

The invention discloses a vehicle-mounted 3KV insulated wire and a cable with the same. The insulated wire comprises a flexible conductor, a semi-conductive insulating tape layer, a semi-conductive shielding layer, an insulating layer and a braided tape layer which are sequentially laminated and coated from inside to outside, wherein the insulating layer is made of a flexible high polymer materialwith withstand voltage of more than 3KV. The cable comprises a cable body formed by twisting and combining a plurality of insulated wires, wherein the outer side of the cable is sequentially coated with a silk floss non-woven fabric layer and a protective sleeve layer. The cable can adapt to various tactical vehicle-mounted mobile application occasions, can be quickly laid in a severe field operation environment, and is convenient to fold and unfold, and meanwhile, the cable has the excellent properties of flexibility, convenience in moving and dragging, oil, acid and alkali corrosion resistance, wear resistance, water resistance, salt mist resistance, ultraviolet resistance, overload resistance, high durability and the like.

The invention discloses an anti-interference and overload-resistant MEMS (Micro-Electro-Mechanical System) accelerometer. The accelerometer comprises a substrate layer, an induction electrode layer, amovable sensitive structure layer and a cap which are bonded in sequence. The induction electrode layer comprises an induction electrode center anchor point and induction electrodes on the two sides.The movable sensitive structure layer comprises a first movable sensitive structure center anchor point, a first solid movable sensitive structure and a first hollow movable sensitive structure. A silicon support column is arranged at the bottom of each induction electrode. The top end of each silicon support column is connected with the corresponding induction electrode, and the bottom end of each silicon support column is connected with the substrate layer. A second movable sensitive structure central anchor point, a second solid movable sensitive structure and a second hollow movable sensitive structure are respectively and symmetrically bonded above the first movable sensitive structure central anchor point, the first solid movable sensitive structure and the first hollow movable sensitive structure. A closed cavity is formed between the first hollow movable sensitive structure and the second hollow movable sensitive structure. The influence of the external environment on the performance of the device can be reduced, and the reliability of the device can be improved.