226results about How to "No entanglement" patented technology

The invention discloses an inner driving spherical robot comprising a spherical shell (1), a linear travelling mechanism and a steering control mechanism, wherein the linear travelling mechanism and the steering control mechanism are arranged in the spherical shell (1); the linear travelling mechanism comprises a driving spherical shell (2), a rack (3), electromagnet (4), a bearing (7) and a shaft (8); the steering control mechanism comprises an electromagnet base (5), an electric brush (6), a bevel gear (9), a bevel gear (10), an electromotor substrate (11), a steering motor (12) and a coupler (13); after electrified, the electromagnet (4) generates attractive force with magnetic material on the inner side of the spherical shell so as to change the center of mass of the spherical robot, and magnetic material rolls along the inner side of the spherical shell under the driving of gravity to push a sphere to move linearly; the rack is provided with the steering control mechanism along the direction of the geometric center line of the rack; and the shaft (8) rotates along the axle center thereof under the driving of the steering motor (12) to drive the electromagnet to rotate to change the travelling direction of the linear travelling mechanism. The invention has the advantages of simple structure, flexible motion and the like and is convenient for miniaturization design.

The invention discloses an overhead line leaping type robot traveling device, which comprises a shell; an internal cavity is formed in the shell; four first buffer rods are arranged on the internal cavity; the first buffer rods are provided with traveling motors; the traveling motors are provided with traveling sheave wheels; two leaping barrier brackets are arranged in the internal cavity; the leaping barrier brackets comprise U-shaped supports; the U-shaped supports are connected with two connecting rods through rotating shafts; the two connecting rods are articulated with a supporting seat; the supporting seat is provided with a second buffer rod; the second buffer rod is provided with a leaping roller bracket; the leaping roller bracket is provided with a leaping roller; a control boxand a first motor are installed in the internal cavity; the first motor is provided with a first sprocket wheel and a second gear; a second sprocket wheel is arranged on the rotating shaft of the left leaping barrier bracket; the second sprocket wheel is connected with the first sprocket wheel through a first chain; a third gear is meshed with a second gear; a fourth sprocket wheel is arranged ona third gear shaft; a third sprocket wheel is arranged on the rotating shaft of the right leaping barrier bracket; and the third sprocket wheel is connected with the fourth sprocket wheel through a second chain.

The invention discloses a device for testing the torsion and the vibration of a rotor of a revolution vane minitype compressor and a test method. A brush type conducting ring is connected with an armature of the compressor through an installation pan; the armature of the compressor is in spline fit with the rotation shaft of the compressor; the armature and the rotation shaft are axially positioned by a press screw bolt with an axial through hole; the brush type conducting ring is respectively connected two sets of resistance type strain sheets through lead wires; the two sets of resistance type strain sheets are symmetrically bonded on the rotation shaft of the compressor at intervals of 180 degrees along the circumference of the rotation shaft to form in to a four-arm differential bridge to be taken as a sensor for the torsion and the vibration of the rotor of the induction compressor; the change characteristic of the shear force of the torsion and the vibration of the rotation shaft is computed and analyzed by measuring the strain change quantity of the resistance type strain sheets when the rotator rotates; an output linear relation between the strain change quantity of a voltage signal by loading excitation voltage; an outputted torsion and vibration voltage signal is amplified through the adjustment of a dynamic strain amplifier; and change data of the voltage signal is acquired, monitored and analyzed by a data acquisition processor, i.e. the data of the torsion and the vibration of the rotation shaft of the compressor can by obtained by a computer.

The invention relates to a finished product prestress steel strand which comprises at least two prestress rib penetrating devices, prestress ribs in the number the same as the prestress rib penetrating devices and at least two marking plates. Each marking plate is provided with perforation holes matched with the prestress rib penetrating devices in quantity and diameter, one end of each prestress rib penetrates through one perforation hole of one marking plate and is fixed into the corresponding prestress rib penetrating device, and the other end of the corresponding prestress rib penetrates through the perforation hole, at the same position as the preceding perforation hole, of the other marking plate. The finished product prestress steel strand is simple in structure, convenient to operate, low in cost and high in strength, can clamp and fix the prestress ribs, achieves efficient penetrating with the help of the marking plates at the two ends of the steel strand, guarantees that the whole bundle of prestress ribs can be arranged in order one by one in the penetrating process and cannot distort or intertwine, hidden risks of a tension function are reduced, the series size of the penetrating devices meet construction requirements for different quantities of prestress ribs and diverse structures.

The invention discloses a ball grinding machine with a grinding force adjusting function. The ball grinding machine comprises a rack. The rack is provided with a rotary workbench and a first motor in linkage with the rotary workbench. The rotary workbench is provided with a clamping and rotating mechanism used for fixing a ball and driving the ball to rotate. The clamping and rotating mechanism comprises a ball clamp for fixing the ball and a second motor used for providing drive force for ball rotation. The rack is further provided with a grinding mechanism used for grinding the ball. The second motor is provided with a first power supply wire and a second power supply wire. The first power supply wire sequentially penetrates the conductive metal rotary workbench and a conductive metal bearing to be electrically connected to the conductive metal table plate. The second power supply wire is connected to the portion above an electric brush feeler lever. The lower portion of the electric brush feeler lever is rotationally and electrically connected with an electric brush sheet on the metal table plate. The ball grinding machine has the advantages that the structural design is reasonable and the power supply wires of the second motor cannot be twisted.

The invention belongs to the technical field of clothes treatment, and aims to solve the problem that a clothes treatment agent of existing clothes treatment equipment is inconvenient to put, and accordingly the user experience is poor. Therefore, the invention provides a clothes treatment agent putting assembly used for the clothes treatment equipment and the clothes treatment equipment. The clothes treatment equipment comprises a body; the clothes treatment agent putting assembly comprises a storage container and a putting device, the storage container is fixedly arranged in the body and isused for storing a clothes treatment agent; the putting device can move relative to the storage container and is used for putting the clothes treatment agent; the clothes treatment agent putting assembly further comprises a sleeve device, one end of the sleeve device is communicated with the putting device, and the other end of the sleeve device is communicated with the storage container so that the clothes treatment agent in the putting device can also flow into the storage container while the putting device can move relative to the storage container. When the putting device moves, the sleeveassembly cannot be blocked and wound, so that user operation is facilitated, and the user experience is improved.

The invention provides food waste pretreatment equipment which belongs to waste treatment equipment and is used for solving the problems of too violent crushing and too many adhesive materials contained in separated impurities of the traditional waste pretreatment equipment. The food waste pretreatment equipment is characterized in that a first partition board and a second partition board are arranged in a shell; the shell is partitioned into a left space, a middle space and a right space by the first partition board and the second partition board partition, wherein the bottoms of the left space, the middle space and the right space are communicated; a rack is arranged in the middle space, and a lifting mechanism is obliquely fixed on the rack; a horizontal partition board is fixed below the first partition board, a spiral bag breaking device and a mesh screen are arranged below the horizontal partition board in sequence, the mesh screen is connected with the lifting mechanism and a vibrating screen in sequence, a flusher is arranged above the vibrating screen, a spiral transmitter is arranged below the mesh screen, and a feeding pump is arranged at the bottom of the right inner space of the shell; the left inner space of the shell is provided with a booster pump connected with the flusher; and a bevel board group which is obliquely arranged is fixed between the first partition board and the rack. The food waste pretreatment equipment has a compact structure and universal parts and integrates the functions of bag breaking, oil removing and impurity removing; and food residues subjected to impurity removal do not contain glass fragments and are homogeneous and fluidized, thereby being convenient for post-treatment.

A drainage tube fixing assembly which is used for supporting and fixing a drainage tube and a body surface fixing component are connected and the flip-type structure which can be opened and locked is combined with the integrated design of a tube imbedding opening and a screwing ring, thus the drainage tube is easy to imbed without pressing peripheral muscle of the wound, the drainage tube is prevented from bending and winding and the wound can be observed and nursed at any time.

The invention discloses a hoisting running device which comprises a bracket, rolling wheels fixedly arranged at the bottom of the bracket, an I-shaped beam fixedly arranged at the top of the bracket, a movable frame arranged below the I-shaped beam and capable of moving forward and backward along the I-shaped beam, and a movable motor fixedly connected with the movable frame, wherein a rack and pinion mechanism is arranged between the movable motor and the I-shaped beam; a lifting motor and a winding roll fixedly connected with an output shaft of the lifting motor are fixedly arranged below the movable frame; a steel wire rope parallel to the I-shaped beam is arranged on one side of the I-shaped beam; and a plurality of pulleys are arranged on the steel wire rope in a forward and backward sliding manner, and fixedly connected with wires for supplying energy to the movable motor and the lifting motor respectively. According to the hoisting running device, the rolling wheels are arranged at the bottom of the bracket, so that the hoisting running device can be moved to a required place conveniently and quickly; the repeated construction cost is lowered; and the use flexibility of the hoisting running device is improved.

The invention relates to a 750kV ground wire roller type wire coil. The 750kV ground wire roller type wire coil comprises a base, walking wheels are arranged under the base, a push handle is arranged at the rear end of the base, symmetrical bearing frames are arranged at the rear portion and the front portion of the base, bearings are arranged at the upper portions of the two bearing frames, a rotating shaft is arranged between the two bearings, and the rotating shaft is fixedly sleeved with a reel. Rotary discs and coiling discs are arranged on the reel from front to back at equal intervals, grounding fixing ends are arranged on the circumferential face of the reel, and conductor end supports are fixed to the base at the reel side. The 750kV ground wire roller type wire coil is simple in structure, ground wires can be reeled in three phases in a separated mode, and the conductor ends of the ground wires are independently arranged to be protected. The 750kV ground wire roller type wire coil can be arranged in a safe tool and instrument cabinet and is convenient to arrange and take. The 750kV ground wire roller type wire coil has a moving function, one person can convey the ground wires to a use place, the ground wires can be fast drawn out from the reel, and the three-phase ground wires are respectively unfolded into an available state. The ground wires are respectively wound to the reel after use, the ground wire winding phenomenon cannot appear.

The invention relates to a shaftless propeller which is characterized by comprising a shell (1), end covers (2), a rotating wheel (4), a propeller (5), a driving shaft (6), a driving wheel (7) and a toothed belt (8), wherein the two sides of the shell (1) are connected with the end covers (2); the rotating wheel (4) is connected between the end covers (2) by a rolling bearing (3); the rotating wheel (4) is internally and fixedly provided with the propeller (5); the shell (1) is also provided with the driving shaft (6) which is provided with the driving wheel (7); and the driving wheel (7) is connected with the rotating wheel (4) by the toothed belt (8). The propeller fixed on the rotating wheel is driven by the driving wheel arranged on the driving shaft through the toothed belt, so that the shaftless drive is realized by the shaftless propeller; and the shaftless propeller has the characteristics of being large in thrust, low in noise, free from winding, good in directionality and the like.

The invention discloses a ball lapping machine. The ball lapping machine comprises a machine frame; a rotating worktable is arranged on the machine frame; a first motor linked with the rotating worktable is arranged on the machine frame; a clamping rotating mechanism for fixing a ball and driving the ball to rotate is arranged on the rotating worktable; the clamping rotating mechanism comprises a ball clamp for fixing the ball and a second motor for providing a driving force for the ball to rotate; a lapping mechanism for lapping the ball is further arranged on the machine frame; a first service conductor and a second service conductor are arranged on the second motor; the first service conductor sequentially passes through the conductive metal rotating worktable and a conductive metal bearing and is electrically connected to a conductive metal bedplate; the second service conductor is connected to the top of an electric brush contact rod; the bottom of the electric brush contact rod is rotatably and electrically connected with an electric brush piece on the metal bedplate. The ball lapping machine has the advantages that the structural design is reasonable, and the service conductors of the second motor are not twined.

The invention discloses an automatic feeding device used for breeding lobsters. The automatic feeding device comprises a feeding plant, an automatic feeding device body and a pond, a control box is fixedly installed inside the feeding plant, a sliding track is arranged between the feeding plant and the pond and fixedly provided with sensors, the automatic feeding device body is slidingly connectedto the sliding tack and comprises a feeding box, a bottom plate and pulleys, a stirring box, an installing box and a storage box are arranged in the feeding box, the storage box is rotatably connected with a feeding port of a pressurizing pump through a connecting pipe, a sensing receiver is fixedly installed on the lower end face of the bottom plate, and a second traction rope and a first traction rope are connected to the lower end face of the bottom plate. The automatic feeding device is simple in structure and convenient to use; feedstuff is added into the automatic feeding device body, the automatic feeding device body is automatically controlled to move to an appointed position, automatic spraying of the feedstuff is performed with the width of the pond being a radius, working efficiency is high, and the automation degree is high.

The invention discloses Streptomyces griseofuscus LS-H1, namely CCTCC M 209211, and a method for preparing epsilon-polylysine and salt thereof by utilizing the strain. The Streptomyces griseofuscus LS-H1 is the strain obtained through screening; and the epsilon-polylysine at the concentration of between 0.7 and 20g / L can be accumulated under optimum conditions by culturing the Streptomyces griseofuscus LS-H1 in a culture medium containing a carbon source and a nitrogen source. After thalluses are removed from a zymotic fluid through centrifugation or filtration, the epsilon-polylysine and the salt thereof are obtained through the separation by an ion exchange method. The method is simple in the culture of the thalluses, and is favorable for industrialized mass production.

The present invention relates to a method for preparing polyethylene wax by using waste polyethylene plastic. The method comprises: sequentially adding 100 g of waste polyethylene plastic, 15 mL of a solvent and 0.3 g of a catalyst to an autoclave, heating to a reaction temperature while stirring under the protection of nitrogen gas, cracking for a certain time, cooling to a room temperature, discharging the material, filtering, drying, and recovering the catalyst and the solvent to obtain the polyethylene wax, wherein the solvent is the petroleum refining byproduct heavy aromatic oil, the catalyst is Al-MCM-48, the reaction temperature is usually the temperature from the raw material melting point to 420 DEG C, and the cracking time is 1-5 h. According to the present invention, the heat transfer is quick and uniform, the cracking temperature is low, the time is short, the raw material conversion rate is high, the occurrence of the phenomena such as raw material winding aggregation and excessive cracking and carbonization coking caused by local overheating can be effectively prevented, and the product has characteristics of narrow molecular weight distribution, shallow color, high drop melting point, high hardness, low viscosity and the like.

The invention discloses a flat plate pressure rubbing type millet thresher. In the millet thresher, a second-stage roller rubbing assembly and a first-stage roller rubbing assembly are connected with a rack, a spi-kelet conveyor is connected with the rack; a movable millet rubbing plate is connected with a linkage mechanism, a fixed millet rubbing plate is connected with the rack, a rocker mechanism is connected with the rack and the linkage mechanism; a spike pushing device is connected with a spike pushing crank linkage mechanism, a feeding hole fan, a hopper, a cleaning fan, a motor, a millet sieve track, a right millet sliding plate, a left millet sliding plate and a millet gathering plate are connected with the rack; a millet sieve is connected with the millet sieve track and a millet sieve crank linkage mechanism, a motor cleaning fan belt is connected with the cleaning fan and the motor; and a grain conveyor is connected with the rack, and a grain lifting mechanism is connected with the rack. The flat plate pressure rubbing type millet thresher has lower millet threshing breaking rate, higher threshing rate, more ideal threshing quality and higher threshing efficiency.

The invention belongs to the technical field of storage tank corrosion detection, and specifically discloses large storage tank corrosion online robot detecting equipment. The robot comprises a tractive force device, an umbilical cable, a lifting system, a sound emitting and positioning system, telescopic ultrasonic detecting probes, a hydraulic propeller, a sweeping system, a telescopic ultrasonic detecting device, a sound wave detecting device, a bent bottom bracket, a winch, an operating table and display system; when a robot enters a crude oil storage tank, position information of structures in the storage tank is firstly obtained through the sound wave detecting device, so that safe movement of the robot in the storage tank is guaranteed. While a tank wall is detected, the telescopicultrasonic detecting probes at the two ends of the robot can perform corrosion detection on the tank wall of the crude oil storage tank. After the sweeping system clears silt for a storage tank bottomplate area, the telescopic ultrasonic detecting device is used again for performing corrosion detection on a bottom plate. The large storage tank corrosion online robot detecting equipment disclosedby the invention aims to perform corrosion detection on the storage tank bottom plate under a complex environment, and perform corrosion detection on the tank wall at the same time, is good in controllability and is convenient in detection.

The invention discloses a replaceable two-coordinate laser machining head of a multi-axis numerical control machining system for preventing an optical fiber from winding. The replaceable two-coordinate laser machining head comprises a rotating shaft C, an oscillating shaft A and an optical laser machining assembly, wherein the shaft C can drive the shaft A to rotate; the shaft A can drive the optical laser machining assembly to oscillate; and the optical laser machining assembly is mainly used for guiding laser to machine workpieces. The two-coordinate laser machining head disclosed by the invention is combined with a machine tool, so that big-breadth and high-speed laser machining can be realized. When the workpieces need to be milled, only the shaft A needs to be dismounted, then, a milling head is connected with the shaft C through a rapid connection end surface, and at the moment, the machine tool can become a multi-axis linked milling system. Meanwhile, the layout of a hydroelectric circuit is optimized, the protection for a laser transmission optical fibers is enhanced, and the equipment stability in high-speed machining can be ensured.

A process for preparing the rubber roller used for textile from polyurethane instead of rubber includes such steps as pre-polymerizing reaction between polyol and isocyanate to obtain NCO-base prepolymer of polyurethane, reacting on the chain-extending cross-linking agent to obtain CPU, installing workpiece on supporting tray, automatic locating, pouring and advancing, closing pouring chamber, vacuumizing, automatic advancing, quantitatively filling, delaying, filling air, opening pouring chamber, taking rubber roller out and curing.

The invention belongs to the technical field of plastic-coated steel wire rope winding, in particular to an adjustable winding device applied to a plastic-coated steel wire rope. According to the scheme, the adjustable winding device comprises a base and a winding roller, wherein supporting plates are fixedly connected to the two ends of the outer wall of the top of the base respectively, and fixing plates are fixedly connected to the outer walls of the same sides of the two supporting plates respectively. By arranging a jacking hydraulic cylinder, a jacking rod, a lower shaft sleeve, an upper adjusting shaft sleeve and an extrusion spring, when the winding roller on the outer side of a rotating shaft is replaced, the jacking hydraulic cylinder is adjusted to drive the rotating shaft to be ejected out of an ejection hole, then the upper adjusting shaft sleeve is unfolded towards the outer side, the extrusion spring is compressed, then the winding roller is moved out of the rotating shaft, and the replacement of the winding roller is completed; and after replacement is completed, the rotating shaft falls into the position between the upper adjusting shaft sleeve and the lower shaft sleeve to be limited, and the jacking hydraulic cylinder drives the rotating shaft to return. Therefore, the replacement of the winding roller is rapidly completed, and the winding efficiency of the plastic-coated steel wire rope is improved.

The invention discloses a self-propelled charged operation tool for replacing an entire line tension insulator string. The operation tool comprises a shell, wherein an inner cavity is formed in the shell; four first buffering rods are fixedly arranged on the upper part of the inner cavity; a walking motor is arranged on each first buffering rod; a walking grooved pulley is arranged on the walking motor; a guide rail and a traversing driving lead screw are arranged on the back part of the shell; a transverse moving base is arranged on the guide rail; a traversing driving nut is arranged on the transverse moving base; a traversing driving motor is arranged on the shell; an output shaft of the traversing driving motor is connected with the traversing driving lead screw; a swinging arm rotating device is arranged on the traverse moving base; a swinging arm is arranged on the swinging arm rotating device; a rotating rod is arranged in the swinging arm; an adjusting driving motor is arranged on the swinging arm; an output shaft of the adjusting driving motor is connected with the rotating rod; a flipping hinging base is arranged at the front end of the rotating rod, and is hinged with the back end of the tool for replacing insulators; an overturning driving motor is arranged on the flipping hinging base; and an output shaft of the overturning driving motor is connected with the tool for replacing insulators.

The invention discloses a retractable charging device which comprises a support, a rotary shaft, a winding reel, a lead screw, a lead screw nut, a lead screw guide rod and a charging line. The rotary shaft and the lead screw are rotationally installed on the support, the rotary shaft is parallel to the lead screw, a power transmission mechanism is further disposed between the rotary shaft and the lead screw, the winding reel is fixed to the rotary shaft, the lead screw guide rod is fixed to the support and parallel to the lead screw, the lead screw nut is screwed on the lead screw and penetrates through the lead screw guide rod in a sliding mode, a wire ring is further arranged on the lead screw nut, the charging line is wound on the winding reel, and the outer end of the charging line penetrates through the wire ring and is connected with a charging plug. By means of the retractable charging device, winding and unwinding are smoother, the charging line can not be twisted, the retractable charging device is very easy to operate, the charging line can be quickly wound and unwound, the situation that residents upstairs work hard to transport storage batteries is avoided, and the problems that the charging line is prone to dampness and aging, and safety hidden hazards are large are solved.

The invention discloses a self-locking type live-line work insulator replacing tool with a back strain clamp for a wire. The self-locking type live-line work insulator replacing tool comprises a traveling mechanism, a transversely moving mechanism is arranged at the back of a shell of the traveling mechanism, a transversely moving seat of the transversely moving mechanism is provided with a rotating mechanism, a regulating mechanism is arranged on the rotating mechanism, a turnover articulating seat is arranged at the front end of a rotating rod of the regulating mechanism, a turnover drive motor is arranged on the turnover articulating seat, and the back strain clamp of the insulator replacing tool is provided with a locking mechanism; the locking mechanism is formed by connecting two clamp boards, an electrically operated push rod, a door-shaped press block, inclined blocks, a tension spring and pressing plates; the two clamp boards are arranged at the back of the insulator replacing tool in parallel; cavities in the back strain clamp and the clamp boards are communicated to form a cavity, the electrically operated push rod is arranged in the cavity, the door-shaped press block is arranged at the upper end of the electrically operated push rod, and two wedge-shaped push blocks are arranged at the lower end of the door-shaped press block; and the clamp boards are provided with through slots, the inclined block is respectively arranged in the cavity of each clamp board, and the inclined blocks extend out of the through slots and are provided with the pressing plates.

The invention discloses a foot paddle-wing hybrid drive type amphibious operation bionic robot and a movement method. The robot comprises a robot body, two sides of the robot body are symmetrically provided with at least four groups of foot paddle driving modules which independently control rotary motion, and all the foot paddle driving modules incline downwards and have the same inclination angle; and at least two groups of empennage driving modules which independently control up-and-down swinging are symmetrically mounted at the tail part of the aircraft body. The robot disclosed by the invention has crawling and floating motion modes; the robot can work at any depth in water, does not need a buoyancy adjusting device, has high adaptability to the irregular ground and different water area environments by means of few motors, improves the crawling stability and obstacle crossing capacity, simplifies the adjusting process, and is simple in structure, high in flexibility, light in weight and high in comprehensive movement performance.

The invention discloses a nacelle type shaftless rim driving integrated motor propeller. A permanent magnet motor stator and a permanent magnet motor rotor are installed in a guide pipe, the outer endof a propeller screw is connected to a rotor support, the inner end of the propeller screw is fixed to a center column, and a water gap is formed between the permanent magnet motor stator and the permanent magnet motor rotor to form an annular motor. Two sets of radial lath type water lubrication rubber alloy bearing supporting rotors are further arranged in the guide pipe, and a set of axial lath type water lubrication rubber alloy bearing is arranged to bear axial thrust. The beneficial effects of the propeller are that the propeller is modular, is convenient to install, is high in structural rigidity of the propeller screw, can bear a larger load, employs a built-in design mode for the stator winding power supply cable, and improves the safety of the cable; and a propeller bearing is subjected to forced water lubrication and cooling through the water pressure difference formed by the propeller, sealing of the bearing is omitted, cooling water flowing through a water gap between themotor stator and the motor rotor is driven through the water pressure difference formed by the propeller screw, and the overall structure is relatively simple.

The invention relates to a high-pressure hydrogen storage tank inner container forming device and further relates to a high-pressure hydrogen storage tank inner container forming process adopting theforming device. The high-pressure hydrogen storage tank inner container forming device comprises a rack, a rotary frame, a forming mold and a drive device, wherein one end of the rotary frame is connected with the rack, and the other end of the rotary frame is connected with the forming mold; the drive device comprises a first drive mechanism and a second drive mechanism; the first drive mechanismcan drive the rotary frame to rotate; the rotary frame can drive the forming mold to rotate around the X axis; the second drive mechanism drives the forming mold to rotate around the Y axis; the forming mold comprises a mold body and a frame body; the mold body is installed on the frame body and provided with a plurality of sets of electric heating pipes; the mold body comprises a barrel with twoends being open, a first seal end and a second seal end; the first seal end and the second seal end are arranged at the two ends of the barrel and area connected with the two ends of the barrel in anopening and closing mode. The process is simple and can prepare seamless type dual-layer high-pressure hydrogen storage tank inner containers.

The invention discloses a practical marine cable winch. The practical marine cable winch comprises a base, a main motor, a winding drum, a transmission shaft and a cable adaption device, wherein the two ends of the transmission shaft are fixed to a winch support seat. The practical marine cable winch is characterized in that the cable adaption device is composed of at least three adaptors, each adaptor is composed of a housing, a conductive rotary disc and a connection rotary shaft, each conductive rotary disc is located in the cylindrical cavity of the corresponding housing, and the space between each conductive rotary disc and the inner wall of the corresponding cylindrical cavity is filled with a saturated strong electrolyte solution; and each connection rotary shaft penetrates throughthe corresponding housing and is fixed to the centre of the corresponding conductive rotary disc, and an internal connection terminal is arranged on the end part of each connection drum. According tothe practical marine cable winch disclosed by the invention, in the rotation process of the transmission shaft, the housings and the internal connection terminals rotate with the transmission shaft, and the conductive rotary discs and the connection shafts are static, so that the power supply of an external power supply cable for a marine cable in winding and unwinding processes is realized, and the problems that a marine cable winch is liable to be corroded and nondurable due to a humid environment in the ocean during electric brush-slip ring power supply previously are solved; and the practical marine cable winch is remarkable in beneficial effects, and suitable for being applied and popularized.

The invention provides a disposable invisible wire integrated electrode and connector, including electrodes, a main cable and an electrode connector, which is characterized in that: the invisible wire integrated electrodes are connected by a flexible circuit covered by a film, so The electrode is a sheet-like flexible electrode plate, and one side of the electrode is covered with a composite layer. The composite layer covered on one side of the electrode is divided into 4 layers, which are, from inside to outside, a conductive adhesive layer, a non-woven layer, a film-coated paper and a PVC transparent waterproof film. The main cable and the electrode connector are multi-lead clip-type connectors with one main cable. The structure is simple, compact, light in weight, comfortable to wear, and easy to operate.

The invention provides an axial rotary type dynamic torque measurement calibrator. The calibrator comprises a conversion sleeve, a main casing, a liquid crystal display (LCD) screen, an indicating lamp, a gaging spindle, a sleeve, a sensor, a circuit and a battery, wherein a measurement meter can be arranged between a tightening shaft and a tightening sleeve, the actual torque value under a working state is detected when a tightening machine tightens a bolt, and the measurement meter does not have an outer lead wire, so no winding phenomenon is generated in the measuring process, and peak value maintenance and dynamic display modes are realized. The axial rotary type dynamic torque measurement calibrator has the advantages of simple structure and high accuracy of measurement calibration, and is convenient in operation.

The invention discloses a dual-swing omni-directional moving spherical robot, which comprises a spherical shell and a traveling transmission mechanism positioned inside the spherical shell. The traveling transmission mechanism comprises a semi-circular ring and a mass trolley arranged on the semi-circular ring, two short support shafts extending outwards are arranged at two ends of the semi-circular ring along the diameter direction of the semi-circular ring respectively and are borne on two bases on the inner sides of the spherical shell through bearings respectively, the two bases pass through an axis of the spherical shell, a traveling motor is fixedly arranged on one base of one side of the spherical shell, a gear A is arranged on a motor shaft of the traveling motor, a gear B which is matched with the gear A arranged on the motor shaft of the traveling motor is fixedly arranged on one short support shaft, the gear A is meshed with the gear B to drive the gear B to rotate, and a counterweight block is arranged on the other short support shaft. The dual-swing omni-directional moving spherical robot is novel in structure, simple in control, high in stability and high in shock and impact resistance and is capable of omni-directionally moving.