627results about How to "Simple structure setup" patented technology

The invention discloses a wear type lower limb assistant robot, a folding method thereof and a hand luggage for carrying. The robot is characterized by comprising a lower limb assistant mechanical device and a servocontrol system, wherein the lower limb assistant mechanical device is provided with wearable assistant mechanical legs which are symmetrically arranged on the two sides of a wearable waistband. The wearing load on human bodies can be effectively relieved, and the robot has the characteristics of high safety performance, simple man-machine coordination control, good following assist effect, high cost performance and the like; the robot can be changed into a portable body which is compact in structure through the folding method, and a user can conveniently carry and store the robot in various manners through matching with the hand luggage for carrying, so that the nursing requirements of the middle-aged and the aged people on daily activities such as walking and walking up and down stairs can be better satisfied.

An axial thread rolling machine for making external spiral thread on pipe is composed of machine frame, mainshaft box with chuck, slide carriage, longitudinal guide rod or track, and threading disk coaxial with mainshaft.

The invention discloses a comprehensive servo motor and harmonic speed reducer testing platform. The comprehensive servo motor and harmonic speed reducer testing platform comprises a machine frame, a vibration isolation platform, a linear guide rail and a magnetic powder brake, wherein the vibration isolation platform is arranged on the machine frame, and the linear guide rail and the magnetic powder brake are installed on the vibration isolation platform in a matched mode. The linear guide rail is provided with a wide-range torque revolving speed sensor, a first angle encoder, a harmonic speed reducer, a second angle encoder, a narrow-range torque revolving speed sensor and a servo motor. The comprehensive servo motor and harmonic speed reducer testing platform is simple and reasonable in structure, the load torque is not prone to fluctuation, data detecting accuracy is high, the system error is small, and assembling and adjusting are convenient.

The invention provides a method and system for extracting natural gas hydrate through thermal jet flow. The method includes the steps that a combustion reaction device is lowered to a downhole target position of a natural gas hydrate reservoir, oxygen and fuel are injected into the downhole target position, the combustion reaction device is powered on, ignition is performed, combustion products are jet out of the combustion reaction device to form high-speed jet flow, the jet flow and heat generated during combustion act on the natural gas hydrate reservoir so that natural gas hydrate can be decomposed, and decomposed natural gas returns upwards to the ground; the amount of injected fuel is gradually reduced till injection stops, meanwhile part of the natural gas returning upwards to the ground and water are injected and mixed with oxygen for continuous combustion, and natural gas hydrate can be furthermore decomposed. The system at least comprises the combustion reaction device, a continuous oil tube inner tube, a continuous oil tube outer tube, a cable, a production sleeve, a water supply device, a fuel supplying device, an oxygen supplying device, a natural gas storing, collecting and supplying device and a pump set. The method and system for extracting natural gas hydrate through thermal jet flow have the advantages that extracting cost is low, extracting efficiency is high and the system structure is simple.

The invention relates to a phase modulation type push piston pulse tube refrigerator and a phase modulation method thereof. The phase modulation type push piston pulse tube refrigerator comprises a compressor, a push piston system, a regenerator hot end heat exchanger, a regenerator, a cold end heat exchanger, a pulse tube and a pulse tube hot end heat exchanger, wherein the regenerator hot end heat exchanger, the regenerator, the cold end heat exchanger, the pulse tube and the pulse tube hot end heat exchanger are connected in sequence; the push piston system comprises a push piston front chamber and a push piston rear chamber; a compression chamber is arranged inside the compressor; the push piston front chamber communicates with the pulse tube hot end heat exchanger via a push piston front chamber connecting pipe; the push piston rear chamber communicates with the compression chamber via a push piston rear chamber connecting pipe; the compression chamber communicates with the regenerator hot end heat exchanger via a connecting pipe; and the push piston front chamber connecting pipe and/or the push piston rear chamber connecting pipe are/is provided with a resistance element. Compared with the prior art, only the push piston front chamber connecting pipe and the push piston rear chamber connecting pipe are changed, so that the phase modulation type push piston pulse tube refrigerator provided by the invention is simple in structural configuration and convenient to adjust.

The invention discloses a worm deburring machine which comprises a machine frame. A feeding mechanism, a locating mechanism, a clamping mechanism and an abrasion wheel grinding mechanism are arranged on the machine frame. The machine frame is further provided with a feeding belt and a driving mechanism driving the feeding belt to move, wherein the feeding belt is used for conveying worm workpieces to the locating mechanism from the feeding mechanism; a receiving disc is arranged below the feeding belt and extends out of the discharging end of the feeding belt. The worm deburring machine is simple and reasonable in structure, convenient to use, low in manufacturing cost, high in work efficiency, capable of effectively lowering the labor intensity of workers and the product machining cost and good in deburring effect.

The invention discloses a hermetic sealing program control testing stand, comprising a working platform, a clamping positioning device, a sealing plugging device, a gas source processing device, a compression gauge and an electric control cabinet. The clamping positioning device comprises a pedestal, a clamping air cylinder and a position limiting block; the output terminal of the clamping air cylinder is provided with a clamping block; the sealing plugging device comprises two sealing plugging mechanisms which are identical in structures; each sealing plugging mechanism comprises a support base, a sealing plug and a sealing plugging air cylinder; the output terminal of the sealing plugging air cylinder is fixedly connected to an installation block which is fixedly connected to the sealing plug through a gas channel joint and the sealing plug; the air inlet terminal of a gas processing device is in communication with an air source; the air outlet terminal is in communication connection with the corresponding gas channel joint of the sealing plugging mechanism through a first switch solenoid valve; and the corresponding gas channel joint of another sealing plugging mechanism is in communication connection with the pressure gauge. The hermetic sealing program control testing stand is simple in structure, easy in operation, low in manufacture cost, high in testing accuracy and wide in application range, and does not affect the pipe fitting quality during the detection process.

The invention discloses a recloser of a circuit breaker. The recloser comprises a shell, a forward and reverse rotation motor, a spindle and a driving handle, wherein the forward and reverse rotation motor is arranged in the shell, and the driving handle is used for driving a handle of the circuit breaker in linkage. A transmission blade and a transmission part are rotatably arranged on the spindle, the forward and reverse rotation motor is matched with the transmission blade in a driving and connecting manner, a transmission gear taking the spindle as a rotation center is arranged on the transmission part, a handle gear in mesh transmission with the transmission gear is arranged on the driving handle, an arc groove is formed in the outer surface of the transmission blade corresponding to the transmission part, the center of the arc groove is positioned on the center line of the spindle, an opening is formed in the anticlockwise edge end of the arc groove in the transmission blade, a linkage shaft is rotatably arranged on the transmission part in a combined manner, and the transmission blade and the transmission part are matched structures which are linked anticlockwise and mutually free clockwise. The recloser has the advantages that the handle of the circuit breaker can be reclosed, response time of normal tripping of the circuit breaker cannot be affected and the like.

The invention discloses a high-precision ceramic ferrule coaxiality detector. The detector comprises a measuring platform mechanism, an optical fiber light source and an image measuring system, wherein the measuring platform mechanism comprises a bottom plate, a three-dimensional translation platform, a workpiece support, a microscope tube and a high-resolution CCD (charge coupled device) camera, both the three-dimensional translation platform and the workpiece support are mounted on the bottom plate, the microscope tube is mounted on the three-dimensional translation platform, the high-resolution CCD camera is arranged at one end of the microscope tube, a lens matched with the workpiece support is arranged at the other end of the microscope tube, the workpiece support is provided with an optical fiber seat, and the optical fiber seat is connected with the optical fiber light source through optical fibers; the image measuring system comprises an image acquiring and data processing unit, a high-definition display as well as a measuring ruler mounted on the high-definition display, and the image acquiring and data processing unit is connected with the high-resolution CCD camera and the high-definition display respectively. The detector is simple and reasonable in structure, convenient to operate, higher in measuring precision and lower in manufacturing cost.

The invention relates to a scissors disconnecting device of an aquatic plant harvesting system and an aquatic plant harvesting ship with the scissors disconnecting device. The aquatic plant harvesting system comprises a harvesting support, a reaping scissors frame, reaping scissors, a conveyor mesh belt, a first driving mechanism and the scissors disconnecting device. The reaping scissors frame is positioned at the front end of the harvesting support, the reaping scissors are positioned on the reaping scissors frame, the conveyor mesh belt is positioned at the rear of the reaping scissors frame and is arranged on the harvesting support, the first driving mechanism drives the conveyor mesh belt to convey aquatic plants, the reaping scissors frame is rotationally arranged on the harvesting support, and the reaping scissors frame is pushed by the scissors disconnecting device so as to be connected with the harvesting support or disconnected from the harvesting support. The scissors disconnecting device comprises a first hydraulic cylinder. One end of the first hydraulic cylinder is hinged to the harvesting support, and the other end of the first hydraulic cylinder is hinged to the reaping scissors frame. The scissors disconnecting device and the aquatic plant harvesting ship have the advantages that blockage at the reaping scissors frame of the aquatic plant harvesting system can be effectively prevented when the aquatic plants are unloaded, the aquatic plants can be prevented from being twined on the reaping scissors, accordingly, the labor intensity can be reduced when the reaping scissors are manually cleaned, and the scissors disconnecting device and the aquatic plant harvesting ship are high in harvesting efficiency and simple in structure.

The invention relates to the technical field of lithium ion battery pole piece detection, in particular to a lithium ion battery pole piece defect detection system and a detection method thereof. The lithium ion battery pole piece defect detection system comprises a feeding device, a first conveying device, a first vision detecting device, a second conveying device, a second vision detecting device, a receiving device, a master control unit and an adsorption device. When the lithium ion battery pole piece defect detection system and the detection method based on the detection system are adopted for detecting pole pieces, overturning operation on the pole pieces is not needed in the detection process, and then the front-face defects of the pole pieces can be detected; and the beneficial effects that the system is simple in structure, the detection precision is high, and universality is high are achieved.

The present invention relates to a land-water-air three-purpose rotor aircraft, which comprises a body, a cabin cover, buoys, wheels, support rods, screw propellers and a motor, wherein the cabin cover is arranged on the body, a cabinet is formed between the cabin cover and the body, the buoys are arranged on both sides of the body, the wheels are arranged below the buoys and can be shrunk into the buoys, four groups of the screw propellers are arranged and are respectively arranged on the front ends and the rear ends of both sides of the body through the four support rods, the motor separately drives the four groups of the screw propellers to rotate, the support rod is a foldable rod, and the screw propellers are positioned at different positions when the support rods are folded. Compared to the aircraft in the prior art, the aircraft of the present invention achieves the applications in the three fields of land, water and air, has the multi-function, has advantages of simple structure arrangement and easy control, and further has advantages of substantially reduced cost, high running stability and high safety compared to other aircrafts.

The invention relates to a self-supporting-layer stranding type anti-rat-bite cable and a manufacturing method thereof. The cable comprises a cable core and an outer sheath. The cable core is a layered stranding type cable core; an inner sheath coats the outsides of the layered stranding type cable core; and an anti-biting pecking-resistant splicing layer is arranged outside the inner sheath. Flat FRP strips are arranged and spliced along the circumferential direction of the inner sheath and to form the anti-biting pecking-resistant splicing layer. And the outer sheath coats the outside of the anti-biting pecking-resistant splicing layer. According to the invention, the flat FRP strips are distributed at the outer layer of the cable core densely, so that the cable has the good anti-biting pecking-resistant performance. The flat FRP strips as self-supporting tensile elements are combined with the outer sheath to form a composite outer protection layer; and the outer protection layer not only has the excellent anti-biting pecking-resistant performance but also has the high tensile capability and anti-compression capability, so that the self-supporting performance of the cable is improved. Moreover, the cable has advantages of simple and reasonable structure, large fiber capacity, excellent protection performance, high cable flexibility, and excellent bending performance is easy to use and lay; with the inner sheath, the cable fusion is realized conveniently; and the cable is convenient to manufacture and pollution on the environment is avoided.

The invention discloses a position locking mechanism of a three-position isolating switch. The position locking mechanism comprises an isolating switch main shaft and an operation panel fixed on an isolating switch frame, the isolating switch main shaft and a handle drive shaft are mounted in a nested manner and can move axially relative to each other, the handle drive shaft is equipped with a handle that can drive the handle drive shaft to rotate synchronously with the isolating switch main shaft, an inner side of the operation panel is provided with a locating pin, the isolating switch main shaft is fixedly equipped with a position-limiting sleeve located at an inner side of the operation panel, a front end face of the position-limiting sleeve is provided with a position-limiting groove, and a compression spring is mounted between a rear end face of the position-limiting sleeve and a shaft end of the isolating switch main shaft. After adopting the abovementioned structure, when switching-closing operation is needed, the handle is rotated and position limiting can be performed through the locating pin and the locating sleeve, a misoperation phenomenon that occurs due to different operating force in the process of switching-closing operation is completely eradicated, and the position locking mechanism of the three-position isolating switch is simple in structure and very convenient to operate and use, and the operating accuracy and the use reliability are greatly improved.

The invention discloses a heating tube with a descaling device. The heating tube comprises a tube body. The external part of the tube body is provided with a heating element. An internal scrapping plate is arranged in the internal cavity of the tube body. The internal scrapping plate is driven to move along a straight line by a driving component capable of moving in a reciprocating way. The lower end of the internal scrapping plate is fixedly connected with an internal descaling spring of which the external diameter is adaptive to the internal cavity of the tube body. With application of the structure, dirt on glass tubes can be cleaned by the internal scrapping plate which can be driven to linearly move in the reciprocating way by the driving component moving in the reciprocating way, the arranged descaling spring is good for descaling and a coated film is arranged between the center glass tube and the external glass tubes so that the service life is enhanced and the heating effect is enhanced. The structural setting is simple and reasonable, and the cleaning and use effects are quite good so that the heating tube with the descaling device is favorable for popularization and use.

The invention relates to a connecting assembly of a USB 3.0 type optical fiber connector. The connecting assembly comprises a connecting joint, a tensile high-speed optical fiber data transmission optical cable connected with the connecting joint and a connector package housing installed on the connecting joint and is characterized in that the connecting joint comprises a tubular joint body and a pressing taper sleeve, wherein a pressing seat is arranged at the front end of the tubular joint body and matched with the pressing taper sleeve, and a tail protecting sleeve is in sleeved connection with the rear end of the tubular joint body. The tensile high-speed optical fiber data transmission optical cable comprises an outer sheath and optical fibers wrapped by the outer sheath, wherein a metal reinforcing core and a filler reinforcing layer are arranged in the outer sheath in a wrapped mode, the metal reinforcing core is formed by multiple strands of flexible metal wires, and the filler reinforcing layer is formed by filling aramid fiber. The connecting assembly is simple in structure, reasonable in setting, easy to assemble and use, good in tensile property, high in reliability and good in resistance capacity. The USB 3.0 requirement for high transmission rate within a 200-meter range can be met. The connecting assembly can be used in a severe using environment, and the stable long-term using effect of the connecting assembly is ensured.

The invention relates to a hydraumatic fast forging machine set capable of being supplied with pressure superimposedly by hydraulic pumps and a high pressure accumulator. According to the hydraumatic fast forging machine set capable of being supplied with the pressure superimposedly by the hydraulic pumps and the high pressure accumulator, aimed at the technical disadvantages of increased equipment investment, expanded electric capacity and more no-load energy consumption caused by reasonable number and configuration manner of the hydraulic pumps in the conventional hydraumatic fast forging machine set, the high pressure accumulator, electromagnetic reversing valves, electro-hydraulic proportional valves and an energy reserving and storing device which electronic control system consists of sensors and a PLC are added for storing energy emitted ineffectively in a working circle, and the set number of main hydraulic pumps can be reduced by supplying pressure oil to main hydraulic cylinders during the rolling working process of hydraumatic machines by a control system. By means of the machine set, the objectives of saving cost, reducing investment and optimizing resource allocation can be realized.

The invention relates to a membrane distillation device for seawater desalination. The membrane distillation device comprises a hydrothermal input chamber, a vacuum cooling chamber and a condensationtube, the outer layer of the device is a shell wall, a distillation membrane layer is arranged in the device and is a superhydrophobic membrane, the hydrothermal input chamber is arranged between theshell wall and the distillation membrane layer, the vacuum cooling chamber is arranged inside the distillation membrane layer, and the condensation tube is arranged in the vacuum cooling chamber in apenetrating manner. The membrane distillation device is of a reasonable structure and has the characteristics of high distillation efficiency, good energy saving performance and stable operation.

The invention provides an elastic roller, a pin-teeth cycloidal reducer with the same and a bearing. The elastic roller comprises a hollow roller and a solid roller arranged inside the hollow roller, wherein a flying height for the hollow roller to generate elastic deformation is formed between the inner wall surface of the hollow roller and the outer wall surface of the solid roller. The elastic roller can provide a certain elastic deformation space for the hollow roller through the flying height, and further the sufficient elastic compensation ability can be realized during the selection and use of the interference fit; and meanwhile, the elastic roller can provide a certain support force through the inside solid roller, and can prevent the hollow roller from being flattened due to overlarge loading, so that the elastic roller can resist strong loading impact, has high strength and can not be damaged, thus reaching the aim of reliable elastic compensation, and further prolonging the service life of the elastic roller, pin-teeth cycloidal reducer and bearing provided by the invention.

The invention relates to an automatic yarn waxing device of a flat knitting machine, belonging to knitting equipment. The device is designed to solve the technical problems that the existing yarn storage and supply equipment and the existing waxing equipment occupy large space and are relatively inconvenient in installation and operation in the operation pipeline of yarns. The key points of design are as follows: the upper end face of the body is connected with a waxing component that comprises a frame body, a shaft rod, a wax ring base and a wax ring; the body is connected with the frame body; the frame body is connected with the shaft rod; the shaft rod is connected with the wax ring base; and the wax ring base is connected with the wax ring. With simple structure and with the yarn storage and supply device and the waxing machine combined as a whole, the automatic yarn waxing device can synchronize the processes of waxing and yarn storage and supply, thus improving production efficiency. Besides, the automatic yarn waxing device is wholly small in occupied space, obviously better in waxing effect, stable in product quality and suitable for use as a structural improvement of the existing similar equipment.