33results about How to "Guaranteed scope of work" patented technology

A memory device includes a first memory circuit including a silicon transistor, a selection circuit including a silicon transistor, and a second memory circuit including oxide semiconductor transistors and a storage capacitor, in which one terminal of the storage capacitor is connected to a portion where two oxide semiconductor transistors are connected in series, an output of the second memory circuit is connected to a second input terminal of the selection circuit, and an input of the second memory circuit is connected to a first input terminal of the selection circuit or an output terminal of the first memory circuit.

The invention discloses an unmanned aerial vehicle platform power line patrol system and work mode. The system comprises an airplane body, a relay machine and a ground command vehicle, wherein the airplane body is provided with a high-definition camera, an infrared thermal imager, an airplane data radio and an airplane image transmission radio, the relay machine is provided with a data radio replay and an image transmission radio relay, the data radio replay and the image transmission radio relay are in wireless communication with the airplane body, the ground command vehicle is provided with a ground data radio and a ground image transmission radio, the ground data radio and the ground image transmission radio are in wireless communication with the relay machine, the relay machine is an unmanned helicopter capable of patrolling flying, and the number of the relay machine is one or more. The unmanned aerial vehicle platform power line patrol system mainly relates to maintenance devices of a power system.

The invention provides a boundary identification method for a mowing robot. A signal generator of the mowing robot generates asymmetrically-unidirectional electromagnetic pulses which causes electromagnetic signal characteristics in opposite directions in a region in the range of a boundary line and a region out of the boundary line; a signal detection circuit is used for identifying characteristics of forward-direction magnetic induction signals and negative-direction magnetic induction signals, respectively; and the mowing robot is determined in the region in the range of the boundary line or the region out of the boundary line or right above the boundary line according to the characteristics. With the adoption of a variable gain amplification circuit, the magnetic induction signals are weak, amplifier gains are amplified, and outputs are increased, or the magnetic induction signals are strong, the amplifier gains are reduced, and the outputs are reduced, and therefore, the characteristics of the magnetic induction signals can be identified reliably in plane regions which are large enough, and the mowing robot can be determined in the region in the range of the boundary line or the region out of the boundary line.

The invention discloses a concrete shotcrete vehicle, which comprises a chassis system, a boom system, a pumping system, an air compressor system, an admixture system and a hydraulic system on board. The tank is connected to the hydraulic pump of the boarding hydraulic system; the boom system, pumping system, air compressor system and admixture system are connected to the boarding hydraulic system on the hydraulic oil road. The concrete shotcrete vehicle has strong power, high maneuverability, continuous operation capability, high reliability and stability during driving and operation, and can meet the requirements of rapid operation under various environmental conditions.

The invention discloses a color film substrate, a liquid crystal display panel and a liquid crystal display. The color film substrate comprises a glass substrate, main support objects and a subsidiary support object, wherein each main support object comprises a first bottom part and a first top part, wherein the first bottom part is arranged on the glass substrate, an elastic recovery rate of the material used by the first bottom part is greater than or equal to a first set value, and the bearable pressure of the material used by the first bottom part is less than a second set value, and the first top part is arranged on the first bottom part, the elastic recovery rate of the material used by the first top part is less than or equal to a third set value, and the bearable pressure of the material used by the first top part is greater than or equal to the second set value. By the scheme, the high elasticity of the main support objects can be maintained, the contacting surface between the main support objects and a TFT (thin film transistor) can be guaranteed to not sink into a TFT trench, the distance D from the subsidiary support object to a TFT substrate can be guaranteed, and the liquid crystal engineering scope can be guaranteed.

The invention relates to the technical field of electric power operation monitoring, which relates to a dynamic electric power operation information acquisition monitoring device and a use method thereof. The electric power operation information dynamic acquisition monitoring device comprises a remote communication control device, a plurality of personnel terminal devices and a front-end monitoring device arranged in each substation. The personnel terminal unit comprises an RFID electronic tag and a device comparison unit. The front-end monitoring device comprises a worker work range detectionunit, a work equipment identification unit, a work site monitoring unit and a control unit. The work equipment identification unit is connected with the equipment comparison unit, and the personnelwork range detection unit, the work equipment identification unit, the equipment comparison unit and the work site monitoring unit are all connected with the control unit; and the control unit is connected with the remote communication control device. The structure of the invention can detect and verify the personnel entering the operation site, can effectively determine the operation equipment specified in the operation task of the operator, avoids the illegal personnel from entering the operation range and prevents the phenomenon of out-of-range operation.

The invention discloses a Chinese herbal medicine crushing device with a special-shaped crushing cylinder. The device comprises a base, the special-shaped crushing cylinder, a movable plate, a transmission shaft and a storage frame; stand frames are symmetrically fixed on the left and right sides of the top of the base; a mounting plate is fixed between the lower parts of the stand frames on the two sides; the special-shaped crushing cylinder is arranged on the front side of the mounting plate; multiple sets of cutter frames are arranged on a shaft body, positioned in the special-shaped crushing cylinder, of the transmission shaft at equal intervals; a butting rod is fixed on the transmission shaft; a butting wheel is mounted at the tail end of the butting rod; the storage frame is arranged above the special-shaped crushing cylinder, and is fixed between the stand frames on the two sides through a support frame; and the center position of the bottom of the storage frame is connected with a sliding pipe; and a lower orifice of the sliding pipe is aligned to a feed port. Through arrangement of the special-shaped crushing cylinder, the device can be driven to move left and right during crushing, so that crushed Chinese herbal medicines are screened, blockage of meshes is prevented, and normal equipment operation is guaranteed.

The invention provides a cable take-up and pay-off speed control method and device and mobile operation equipment, and relates to the technical field of the mobile operation equipment. The cable take-up and pay-off speed control method comprises the steps that the running speed of the mobile operation equipment is obtained; a real-time radius of a cable reel on a reel of the mobile operation equipment is obtained, wherein the cable reel is formed by winding a cable on the reel; an expected rotating speed of a driving device of the reel is calculated according to the running speed and the real-time radius; and the driving device is controlled to rotate at the expected rotating speed, so that the take-up and pay-off speed of the cable is matched with the running speed. The expected rotating speed of the driving device is obtained through the real-time radius and the running speed, and the reel is driven to rotate at the expected rotating speed, so that the running speed of the mobile operation equipment can be matched with the take-up and pay-off speed of the cable in the working process of the mobile operation equipment, dynamic adjustment of the take-up and pay-off speed is achieved, then the service life of the cable is prolonged, and the operation range of the mobile operation equipment is ensured.

The invention discloses a robotic arm and a teaching method thereof. The method includes the steps that an arm body or a control device in the work environment of the robotic arm is provided with a prompting device; the control device controls a visual device on the arm to capture an image of an automatic teaching pattern arranged on the surface of a workpiece; and when the pattern identification is completed and before automatic teaching is started, the prompting device is controlled to give a warning, so that the personnel safety can be guaranteed.

The invention belongs to the field of pressure sensors, and relates to a flexible pressure sensor based on double-sided engraved laser-induced graphene, which is characterized in that on the basis of a graphene laser engraving technology, graphene is formed on the surfaces of two sides of the same material, and the middle residual part becomes a dielectric layer; and packaging and the like are carried out to prepare the flexible laser-induced graphene pressure sensor. According to the method, the cost is reduced, the preparation period is shortened, the electrode, the dielectric layer and the electrode are formed on the same substrate material by regulating and controlling laser processing parameters, the specific proportion is achieved, the performance of the device is better, and the device can respond to the pressure intensity within the range of 10 Pa-16 kPa. While the sensitivity, the stability and the working range are ensured, the complex independent preparation process is simplified, and the method is a relatively excellent choice.

A cantilever-type slidable anti-collision connection device for a ship berthing platform is characterized in that a winch is fixed over the platform, a bidirectional shaft is fixed to the side of the platform, one end of a lattice boom is connected with the bidirectional shaft, and a manipulator is disposed at the other end of the lattice boom, the lattice boom is formed by connecting hydraulic dampers in order, the manipulator is formed by connecting two semicircular rings through a hinge, a steel ball with a retainer is arranged within the manipulator, a rubber cushion layer is arranged between the manipulator and the steel ball, and another rubber cushion layer is fixed between the side of the platform and the bidirectional shaft. The ship connection end of the cantilever-type slidable anti-collision connection device is capable of sliding up and down and rotating, so that damage of connections caused by a ship floating in sea currents and waves during berthing can be prevented. The cantilever-type slidable anti-collision connection device is used a safety distance away from the ship, so that no collision between the ship and the platform occurs. The lattice boom is capable of extending and retracting, an operation range of the ship can be guaranteed to the maximum extent; a hydraulic damping system is mounted in the lattice boom, and the service life of the cantilever-type slidable anti-collision connection device is prolonged. The cantilever-type slidable anti-collision connection device is simple in structure, convenient to use and safe and reliable.

The invention discloses a multi-angle adjustable watering device for landscaping, and relates to the technical field of watering equipment for landscaping. The device comprises a working vehicle, a first empty cavity, a mixing cavity, a second empty cavity, a first servo motor, a rotating shaft, a coupler, a first lead screw, a first movable block, a contact, a first gear, a second gear, a second lead screw, a second movable block, a second servo motor, a first incomplete gear, a mounting block, first racks, a second rack, a third movable block, a third gear, a nozzle, an upper baffle, a first magnet, a telescopic rod, a second magnet, a stirring shaft, a first crawler belt, a water tank, a discharging channel, a water outlet channel and a connecting channel. Different watering modes are used for different plants at different heights, the working efficiency of the device is guaranteed, besides, waste of water resources is reduced, and the working effect of the device is guaranteed; and after the working vehicle moves by a certain distance, rolling wheels are automatically cleaned, and the cleaning effect of the device is guaranteed.

The invention discloses a spliced foldable protective device applied to building construction. The spliced foldable protective device comprises a plurality of uprights which are arranged at intervals,one or more fence meshes and connecting mechanisms. The fence meshes are disposed between every two adjacent uprights, and the connecting mechanisms are used for connecting the uprights with the fence meshes or connecting two corresponding fence meshes. The connecting mechanisms include male connecting heads and female connecting heads, the male connecting heads and the female connecting heads are used in a matched mode, the uprights are provided with the male connecting heads and / or the female connecting heads, and the male connecting heads can be inserted into the female connecting heads tobe matched with the female connecting heads so as to realize fixing and rotating between the uprights and the fence meshes or fixing and rotating between the two corresponding fence meshes. The spliced foldable protective device can perform enclosure protect on the curve edge well in a matched mode under the condition that the edge of a construction area is curved, the working range of the construction area is guaranteed, the disassembly and installation and transportation are more convenient, and the protection effect and the protection efficiency are improved.

The invention discloses a hydraulic disassembling and assembling machine for a petroleum drilling tool, which aims to solve the problems of large space occupation and low stability of the conventional quick spinner, and comprises a supporting device, a front base, clamping pliers, a base, fixed pliers, a rear base, a pushing and pulling device, and a suspended quick spinner, wherein the front base, the base and the rear base are connected into a whole front left to right by bolts; the supporting device is arranged on the front base; the clamping pliers and the fixed pliers are arranged on the base; the clamping pliers are on the left side of the fixed pliers; the pushing and pulling device are arranged on the right side of the rear base; the suspended quick spinner is fixedly suspended on the left side of the clamping pliers; and the acting centers of the suspended quick spinner and the clamping pliers are on the same horizontal axis. The hydraulic disassembling and assembling machine is suitable to be used as operating equipment such as disassembling and assembling machine for the petroleum drilling tool.

The present invention creates, for the first time, an adjustment device (1) for the self-regulating adjustment of a throughflow regulating valve (2) of a consumer loop (3) with heat exchanger (30), inparticular in a temperature control system (10) for buildings, having a temperature control source (4), a liquid heat carrier and a pump (5). The invention furthermore discusses a distributor device(11) for the self-regulating distribution of a liquid heat carrier to at least two or more consumer loops (3) with heat exchanger (30), which each comprise a throughflow regulating valve (2), in a temperature control system (10) with a temperature control source (4) and with a pump (5), wherein the distributor device (11) has a feed distributor (13) and a return distributor (14). At these, the consumer loops (3) are connected together at the inlet side and outlet side, wherein the throughflow valves (2) are arranged at the feed distributor (13) or the return distributor (14). The invention finally proposes methods suitable for this purpose.

A two-freedom-degree vibration restraining system applied to a high-altitude building robot operating platform comprises a force sensor, two driving rods with the same length, two driven rods with the same length, a horizontal adjusting motor, a magnetic powder clutch, a rotary type magneto-rheological damper, an installing plate and a vertical vibration reducing mechanism. The two-freedom-degree vibration restraining system is characterized in that two installing seat area arranged on the inner surface of the installing plate; each installing seat is connected with the front end of one driving rod through a driving rod controlling shaft, the tail end of each driving rod is connected with the front end of one driven rod, and the tail ends of the two driven rods are connected together; the installing plate, the driving rods and the driven rods form a planar five-connecting-rod mechanism; and the planar five-connecting-rod mechanism can move in a plane perpendicular to the inner surface of the installing plate and has two freedom degrees. The vertical vibration reducing mechanism is arranged on the outer surface of the installing plate.

The invention discloses an automatic welding method for a gas delivery pipe support. The automatic welding method comprises the steps of: a, conducting preparation before welding; b, mounting a gas delivery pipe; c, carrying out preliminary welding; and d, performing secondary welding. By mounting a support on a support installation plate, and fixing the gas delivery pipe to a turnover clamping arm of a clamping table, after a clamping table drives the turnover clamping arm to drive the gas delivery pipe to descend, the upper portion of the connecting position of the gas delivery pipe and the support is welded by a welding gun, then the clamping table drives the gas delivery pipe provided with the support to ascend, the turnover clamping arm drives the gas delivery pipe to turn over, after turning over is completed, the clamping table controls the gas delivery pipe to descend, the welding gun operates again, and the lower portion of the connecting position of the gas delivery pipe and the support is welded, so that connection between the gas delivery pipe and the support is completed, the phenomena of insufficient welding and welding leakage are avoided, the welding efficiency is improved, and meanwhile, manual butt joint operation is avoided; therefore, the welding precision is improved, the welding efficiency is greatly improved, and resources and manpower are saved.

The invention provides leveling equipment for train parts. The leveling equipment for train parts comprises a moving vehicle body, a lifting device arranged on the moving vehicle body and a leveling head arranged on the lifting device, wherein a hydraulic station, a cooling water tank and an operating table are arranged on the moving vehicle body, the hydraulic station is connected with the lifting device, the cooling water tank is connected with an induction heating tool arranged on the leveling head, the leveling head comprises the induction heating tool, a hammering tool and a water spraying assembly, and the leveling head is connected with a rotating mechanism arranged on the lifting device. According to the leveling equipment for the train parts, when train side plates are leveled, the technical problems that the cost is high, operation is inconvenient, and personal health is threatened are solved, the labor intensity of operators is relieved, and the cost is reduced.

The invention discloses a multi-angle adjustable sprinkler device for landscaping, which relates to the technical field of sprinkler equipment for landscaping, including a working vehicle, a first cavity, a mixing cavity, a second cavity, a first servo motor, a rotating shaft, and a coupling device, the first screw, the first movable block, contacts, the first gear, the second gear, the second screw, the second movable block, the second servo motor, the first incomplete gear, the mounting block, the first tooth Rack, second rack, third movable block, third gear, nozzle, upper baffle, first magnet, telescopic rod, second magnet, stirring shaft, first track, water tank, discharge channel, water outlet channel and connections aisle. The present invention uses different watering methods for different plants of different heights to ensure the working efficiency of the device while reducing the waste of water resources and ensure the working effect of the device. After the working vehicle moves for a certain distance, the rollers are automatically cleaned to ensure the cleanliness of the device Effect.

A cantilever-type slidable anti-collision connection device for a ship berthing platform is characterized in that a winch is fixed over the platform, a bidirectional shaft is fixed to the side of the platform, one end of a lattice boom is connected with the bidirectional shaft, and a manipulator is disposed at the other end of the lattice boom, the lattice boom is formed by connecting hydraulic dampers in order, the manipulator is formed by connecting two semicircular rings through a hinge, a steel ball with a retainer is arranged within the manipulator, a rubber cushion layer is arranged between the manipulator and the steel ball, and another rubber cushion layer is fixed between the side of the platform and the bidirectional shaft. The ship connection end of the cantilever-type slidable anti-collision connection device is capable of sliding up and down and rotating, so that damage of connections caused by a ship floating in sea currents and waves during berthing can be prevented. The cantilever-type slidable anti-collision connection device is used a safety distance away from the ship, so that no collision between the ship and the platform occurs. The lattice boom is capable of extending and retracting, an operation range of the ship can be guaranteed to the maximum extent; a hydraulic damping system is mounted in the lattice boom, and the service life of the cantilever-type slidable anti-collision connection device is prolonged. The cantilever-type slidable anti-collision connection device is simple in structure, convenient to use and safe and reliable.

The invention relates to the technical field of air separation equipment, in particular to a coarse krypton and xenon purification device. The coarse krypton and xenon purification device comprises krypton and xenon purification units and connecting pipelines for connecting the krypton and xenon purification units, and is characterized in that the krypton and xenon purification units are provided with an installation frame, the installation frame comprises an installation platform, a moving mechanism arranged at the bottom of the installation platform and used for enabling the installation frame to move on the ground and a hoisting mechanism arranged on the installation platform and used for hoisting the krypton and xenon purification units, the installation platform is provided with a plurality of installation grooves for the krypton and xenon purification units to be embedded in, the installation platform is provided with guide grooves communicated with the installation grooves, and the connecting pipelines are installed in the guide grooves. The problems that large space is occupied during installation of krypton and xenon purification units, the unit move-in installation period is long, potential safety hazards exist as pipelines are suspended and communicated in a cross mode, and the units are difficult to move and adjust after being installed are solved.