43results about How to "Easy to change position" patented technology

The invention discloses a line selection method for a single-phase earth fault line of a small current grounding system, and belongs to the electric power cable fault on-line monitoring field. The line selection method comprises a plurality of cables in the same bus with a small current grounding mode, and is characterized in that: transient current signals flowing through each cable outgoing line metal shielding layer grounding line are monitored and recorded through a high speed collection method, the transient current signals are generated by a fault loop when the single-phase grounding fault of the small current grounding system happens; and the fault line is selected by identifying the directions of wave heads of the transient current signals. The method compares the directions of the wave heads of grounding line current traveling waves of all the cables, and distinguishes a fault cable and a non-fault cable. In comparison with other small current grounding line selection methods at present, the accuracy of the line selection is high, and the multi-selection or missing report condition can be effectively avoided.

The invention relates to wave removing building block used to form wave removing wall body. The wave removing building blocks includes building blocks main body includes top side, under side, two end sides. The side surface of the head sea direction is set protrusive convex body includes end and root connected with the building blocks. Many similar wave-removing building blocks are processed dislocation stacking to form wall body. The protrusive convex faces head sea direction. The invention provides wave removing building blocks and the forming wall body with wave removing function.

The invention discloses an integrated circuit packaging board and a mounting device thereof. The integrated circuit packaging board comprises an integrated circuit packaging board and a mounting workbench, wherein the integrated circuit packaging board is placed on the mounting workbench, and the integrated circuit packaging board comprises a bottom board, a substrate, a heat dissipation graphitefilm layer and a top board, wherein the bottom board, the substrate, the heat dissipation graphite film layer and the top plate are sequentially arranged from bottom to top; an IC chip mounting grooveis formed in the middle of the heat dissipation graphite film layer and the top board, and an IC chip is placed at the top of the IC chip mounting groove; and a pin hole is formed in the lower portion of the IC chip, and a heat conduction silica gel sheet is arranged above the IC chip. The invention relates to the technical field of integrated circuit packaging boards. According to the integratedcircuit packaging board and the mounting device thereof, the heat dissipation of the integrated circuit packaging board is high, and the mounting is convenient; the packaging board with the compositeheat conduction structure and a heat dissipation cover on the packaging board are higher in heat dissipation efficiency, so that the service life of the IC chip is prolonged, the force of pressing down a pressing type disc rubber disc is reduced, and damage is prevented.

The invention relates to seat furniture and particularly relates to an office seat provided with a backrest with a waist support (1). In order to improve the comfort and the simplicity of using the seat furniture, the waist support (1) is arranged on a flexible guide belt (4) in a height adjustable manner.

The invention discloses fabric compounding equipment for textile production. According to the fabric compounding equipment, smoothening assemblies are mounted at the top ends of mounting frames; a connecting shaft is rotationally mounted between each pair of supporting plates; movable rods are welded to the top ends of springs; balls are evenly and movably embedded in the outer side of smoothing rollers; a motor is mounted at one end of each smoothing roller; a feeding assembly is mounted at one end, away from a corresponding mounting frame, of a fabric compounding machine body; a movable opening is formed in the middle of each supporting frame; a dust removal pipe is welded between each pair of air suction pipes; supporting semi-circular rings are installed on the opposite side faces of the two unwinding installation plates through screws; blocking plates are welded to the two ends of each supporting semi-circular ring. According to the fabric compounding equipment, when compounded fabric is pulled out of the fabric compounding machine body, the connecting shafts are driven by the motors to rotate, at the moment, the smoothing rollers at the end of the movable rods are driven to get close to each other and extrude the top face of the compounded fabric, the spring contracts, glue in the compounded fabric is brushed to the edges, the edges of the compounded fabric is extruded and bonded, and edge warping of the fabric is prevented.

The invention relates to the technical field of welding robots, and discloses an automatic welding robot for industrial workshop machining. The automatic welding robot for industrial workshop machining comprises a base, wherein fixing plate are fixedly connected to the left side and the right side of the top of the base; two first sliding rods are fixedly connected between the two fixing plates; sliding blocks sleeve surfaces of the two first sliding rods; a first driving motor is fixedly connected to the bottoms of the sliding blocks; an output shaft of the first driving motor is fixedly sleeved with a gear; gear teeth are arranged at the top of the base; the surfaces of the gear are engaged with the surfaces of the gear teeth; and the top of the sliding blocks is fixedly connected with asecond bearing. According to the automatic welding robot for industrial workshop machining, the gear is driven to rotate together by the rotation of the first driving motor, the gear is engaged withthe gear teeth at the top of the base, and the first driving motor is fixedly connected to the bottom of the sliding blocks, so that the sliding blocks are driven to slide on the surface of the firstsliding rods by the rotation of the gear, and the welding robot is driven to move left and right.

The invention discloses a wave-eliminating building block used for forming a wave-eliminating wall, which comprises a building block body which comprises a top face, a bottom face, two end faces and two side faces. The side face facing the wave direction is provided with a protrusive convex body that comprises a root part and an end part, while the root part of the convex body is connected with the building block body. A plurality of similar wave-eliminating building blocks are continuously bonded in a misalignment manner to form a wall body. The protrusive convex body faces the wave-approach direction and is connected on the side face, and the root part of the protrusive convex body is provided with an extension section which is connected with the top face or the bottom face of the building block body. The invention provides a wave-eliminating building block with the effect of wave-eliminating enhancement and a wall body formed by the wave-eliminating building blocks.

The embodiment of the invention discloses a six-finger manipulator capable of changing grabbing modes based on monocular vision. The six-finger manipulator comprises mechanical fingers, a mechanical palm and a mechanical wrist. Each mechanical finger is provided with a finger steering engine used for driving the finger to conduct grabbing. Six palm steering engines are arranged on the mechanical palm, and the six mechanical fingers can be controlled to rapidly switch a proper grabbing mode according to the target shape obtained by the monocular camera; the mechanical wrist has three degrees of freedom, and rotation of the mechanical wrist around the x axis, the y axis and the z axis can be achieved. According to the embodiment of the invention, the monocular camera is arranged, so that the pose measurement can be carried out before the target is grabbed, the grabbing precision is improved, and the method can be applied to occasions with relatively high grabbing precision requirements; and moreover, appropriate grabbing modes can be rapidly switched according to different target shapes, the six-finger manipulator has multiple combined grabbing modes, switching is rapid, the working efficiency is high, and the application range is wide.

The invention provides an auxiliary tool for a welding cinder ladle trunnion seat and a welding technology. The auxiliary tool comprises a clamping device and a position changing device, and the position changing device comprises a rack and a overturning frame rotationally arranged on the rack. The clamping device is arranged on the overturning frame and comprises two clamping parts arranged on the overturning frame in a spaced mode, and each clamping part comprises middle ring foot fixing parts used for fixing middle ring feet and upper ring foot fixing parts used for fixing upper ring feet.A mounting space allowing a trunnion plate to penetrate out is further formed in the overturning frame, 360-degree all-around welding of the welding cinder ladle trunnion seat can be achieved fast andefficiently, and crane hoisting is not needed; and meanwhile, a welding robot can be applied to be linked with position changing equipment, and thus full-automatic welding of a gas shielded welding part can be achieved.

The automobile reservation service device comprises a base, a stabilizing structure and a machine body. Multiple sets of movable grooves are formed in the outer walls of the two sides of the base, the stabilizing structure is installed in the movable grooves, one end of the stabilizing structure extends out of the base, and the machine body is installed at the top of the base; a containing groove is formed in the front face of the machine body, a drying structure is installed on the front face of the machine body and located on one side of the containing groove, and a top box is installed at the top of the machine body. Hands of a user can be disinfected by pressing the disinfectant bottle, then disinfectant on the hand of the user can be rapidly air-dried through the drying structure, so that appointment operation can be conveniently carried out; the sliding function is added to the device through the sliding wheels and the stability of the whole device can be improved through the stable structure, so that under the condition that the limited pulley is accidentally touched, the device is prevented from deviating and falling laterally, and the device is prevented from being damaged.

The invention discloses a power generating device, a controller and a switching system. The power generating device comprises a magnet component for generating a magnetic field and a magnetizer wound with a generating coil. When the magnetizer and the magnet component move relatively, the magnetic flux of the generating coil changes to generate electric energy. The power generating device is not provided with a rotor and a stator; and thus compared with the existing generating device with many coils and complicated structure, the provided power generating device has a simpler structure and is provided with a few coils. Therefore, the power generating device has a smaller size and thus can meet various application requirements, especially one for a small size of a generating device.

A head fixing device for tumor radiotherapy disclosed by the present invention comprises a bed board, a connecting frame is installed on one side of the bed board through bolts, a pillow plate is installed on the end portion of the connecting frame through bolts, supports are installed on the two sides of the pillow plate through bolts, and limiting rods are installed on the inner sides of the supports through screws. Locking screws are installed on the surfaces of one sides of the supports through reserved threaded holes, fixing frames are installed at the ends of the locking screws through bolts, connecting rods are installed on one sides of the fixing frames through screws, rubber cushions are installed at the ends of the connecting rods through screws, and a pillow is installed on the top of the pillow plate through screws. Lower fixing grooves are formed in the two ends of the top of the bed board through opening grooves, sleeve rods are installed on the two sides of the bottom of the bed board through bolts, and the bottoms of the sleeve rods are sleeved with sleeves. The head fixing device for tumor radiotherapy is practical in function, convenient to operate, convenient to use by workers and suitable for being widely popularized and used.

The invention discloses gravel sub-packaging treatment equipment for building stones and a using method thereof.The gravel sub-packaging treatment equipment comprises a sub-packaging collecting plate, a welding frame is welded to the back face of the sub-packaging collecting plate, a motor is fixedly connected to the top of the motor, a two-way screw rod is fixedly connected to the side face of the motor, and the left side and the right side of the outer surface of the two-way screw rod are movably sleeved with sliding plates; the side face of the sliding plate is fixedly connected with a connecting block, and one end of the connecting block is fixedly connected with a classification tank. According to the equipment, by means of mutual cooperation of the classification tank and devices inside the classification tank, the sizes of different stone materials can be evenly subdivided, so that the stone materials are subpackaged, by means of a multi-layer classification structure, the stone material using accuracy and the building construction effect can be improved, potential safety hazards are reduced, and by means of mutual cooperation of the adjusting movable bottom plate and devices inside the adjusting movable bottom plate, the construction efficiency is improved. And the position of the equipment can be conveniently replaced or moved, so that the equipment can be conveniently used in work, meanwhile, manpower loss and harmfulness are reduced, and the working efficiency of the equipment is improved.

The invention provides a symmetrical internal combustion engine and relates to the technical field of internal combustion engines. The symmetrical internal combustion engine comprises at least two combustion chambers symmetrically arranged at intervals, a piston column, a kinetic energy conversion mechanism and a mounting seat. The piston column is a long-rod-shaped component, the two ends of the piston column are located in the two combustion chambers correspondingly, and the piston column is in sliding connection with the combustion chambers. The kinetic energy conversion mechanism comprises a tooth tool box, a ratchet wheel and an output shaft, the tooth tool box is installed on the piston column in a sliding manner, and the sliding direction of the tooth tool box is perpendicular to the length direction of the piston column. A hollow cavity is formed in the middle of the tooth tool box, ratchets are arranged at the top and the bottom of the cavity in the length direction of the piston column correspondingly, and the ratchets on the two sides face opposite directions. The distance between the ratchets on the two sides is larger than the diameter of the ratchet wheel. The ratchet wheel is matched with the ratchets, and the output shaft is coaxially installed on the ratchet wheel. The mounting seat is used for mounting the combustion chambers and the output shaft, and the output shaft is rotationally mounted on the mounting seat. The symmetrical internal combustion engine has the advantage of preventing the output shaft from being stuck.

The invention relates to an electric remote control drill tool pulling and sending device and a using method thereof. According to the device, a remote control positive and negative rotation motor isused as a power source, a steel wire rope, a turning pulley block and a support frame are matched to form a turning mechanism, tensile force needed for pulling a drill tool is transmitted to a stand column support from a remote control motor roller through the steel wire rope, an operator does not need to carry the drilling tool and support the drilling tool with the hands, the drilling tool can be safely and smoothly controlled to exit from and enter a drill stem box, and therefore the safety risk and the labor strength are greatly reduced; and the electric remote control drill tool pulling and sending device is simple in structure and accurate in positioning, the labor intensity for pushing and pulling the drilling tool to exit form and enter the drilling stem box when a well drilling worker removes the drilling tool can be greatly reduced, and the advantages of safe and convenient operation, labor saving and high efficiency are achieved.

The invention discloses an emergency monitoring system based on Internet of Things cloud computing, which comprises a fixed seat, a limiting sleeve, an environment monitor, a limiting mechanism, a supporting mechanism and a moving mechanism, and is characterized in that the fixed seat is fixedly connected with the limiting sleeve, the limiting sleeve is rectangular, and the environment monitor is slidably connected in the limiting sleeve; two symmetrically distributed limiting mechanisms are arranged on the fixed seat, the limiting mechanisms are clamped with the environment monitor, a supporting mechanism is arranged at the bottom of the fixed seat, and a moving mechanism is arranged at the bottom of the supporting mechanism. The invention relates to an emergency monitoring system based on Internet of Things cloud computing. The emergency monitoring system has the advantages of being stable in supporting and convenient to change positions.