126results about How to "Avoid Mutual Wear" patented technology

The pair of cutting blades are pin joined to each other at their terminal webs which are joined to bow handles. A ball bearing is mounted to the pivot pin by way of an antifriction spacer for providing a permanent spacing between the terminal webs in order to prevent the same from abrasion and consequent uneven wear. A clamp is coupled at one end to the pivot pin projecting from one of the terminal webs, and anchored at another end to the other terminal web, in order to bear the component of cutting resistance which tends to spread the pair of blades in opposite directions away from their parallel planes of motion.

The invention provides a hinge assembly for a refrigerator. The hinge assembly comprises a first hinge structure and a second hinge structure, a first hinge shaft is arranged at the first end of the first hinge structure and used for being connected to a rotating shaft hole of a door body, a first through hole penetrating through the first hinge shaft along the axis of the first hinge shaft is formed in the first hinge shaft and used for allowing part of pipelines connected with the door body or a refrigerator body to penetrate, and the second end of the first hinge structure is used for beingfixed to the refrigerator body; the second hinge structure comprises a base and a connecting part which are used for being fixed to the refrigerator body, wherein the first end of the connecting partis provided with a second hinge shaft, the second hinge shaft is used for being connected to a pipe inlet hole formed in the door body, a second through hole penetrating through the second hinge shaft along the axis of the second hinge shaft is formed in the second hinge shaft and used for allowing the other part of pipelines connected with the door body or the refrigerator body to penetrate, andthe second end of the connecting part is connected to the base and configured to slide along the base when the door body rotates around the first hinge shaft. The pipelines penetrate into the door body from the refrigerator body of the refrigerator through the two hinge structures correspondingly, and thus the technical problem that the pipelines difficultly enter the door body simultaneously from one hinge structure is solved.

The invention provides a screw detecting machine. The screw detecting machine comprises a machine body, a charging mechanism, a feeding mechanism and a detecting and recovering mechanism, wherein the charging mechanism is installed on the machine body and used for storing and outputting screws; the feeding mechanism comprises a feeder and a conveying assembly, the feeder is arranged below the charging mechanism, and the conveying assembly is connected with the feeder so as to convey the screws conveyed by the feeder in the first direction; and the detecting and recovering mechanism is connected with the conveying assembly and used for detecting and recovering the screws conveyed by the conveying mechanism. By the adoption of the mode that the screws are conveyed through the feeder, the screw detecting machine has the characteristic of small vibration, and the problem of mutual abrasion between the screws can be avoided.

The invention discloses a halogen-free flame-retardant casing material for protecting an automotive rubber tube. The material is obtained by mixing and granulating components in parts by weight as follows: 80-100 parts of an EVA (ethylene vinyl acetate) resin, 30-45 parts of an LDPE (low-density polyethylene) resin, 30-50 parts of polyolefin elastomer, 108-145 parts of an inorganic halogen-free flame retardant, 3-10 parts of an antioxidant, 2-8 parts of a coupling agent and 3-8 parts of a color master. Compared with an ordinary automotive rubber tube flame retardant material, the halogen-free flame-retardant casing material adopts an inorganic halogen-free flame retardant system, so that no harm is produced to the environment; and the material has the advantages of softness, friction resistance and the like. The halogen-free flame-retardant casing material can be widely applied to casings for industries producing automobiles, electronics and the like.

The invention discloses a quantitative medicine bottle. The quantitative medicine bottle comprises a bottle body, a bottle cap and a quantitative medicine taking assembly, wherein the quantitative medicine taking assembly is arranged in a space enclosed by the bottle body; the quantitative medicine taking assembly comprises a quantifier and a filler; the quantifier comprises a cylinder and a handle; the cylinder is horizontally accommodated in the filler and is slidably connected with the filler; the filler is rotatably connected to the two ends of the cylinder through shafts; an inclined surface area and a V-shaped inclined surface area are arranged on the upper surface of the filler; an inclined medicine feeding sliding groove is formed in the bottom of the V-shaped inclined surface; themedicine feeding sliding groove penetrates into the cylinder to form quantitative medicine hoppers, the filler is further provided with a medicine discharging sliding groove, the handle is fixedly connected with a shaft of the cylinder, and by rotating the handle, the empty inclined upward quantitative medicine hoppers can be butted with the medicine feeding sliding groove; and meanwhile, the inclined downward quantitative medicine hoppers filled with tablets can be butted with the medicine discharging sliding groove. According to the quantitative medicine bottle, medicine can be quantitatively taken only by twisting the handle, people can twist the handle for the times equal to the number of the tablets needed, the operation is simple, the quantitative medicine bottle has the medicine marking function, and the quantitative medicine bottle is very convenient and practical.

The invention provides an anti-abrasion device for a drill pipe and a casing pipe. The anti-abrasion device consists of a metal frame, a rubber sleeve and a locking block. Both sides of two semi-cylinder metal frames are correspondingly provided with a dovetail slide groove and a slide bar capable of axially sliding for fastening together respectively. A plurality of oblong holes are formed at the periphery of the metal frame. Two small dovetail slots are formed in the fastening gap respectively. Two semi-cylinder rubber sleeves are correspondingly arranged in the metal frame. A plurality of oblong fillets corresponding to the oblong holes on the metal frame are arranged outside the circumference of the rubber sleeve. The top of the oblong fillets extends out of the external surface of the metal frame and the external surface of the drill pipe joint. An arc rectangular locking block with slopes at both sides is arranged in the small dovetail slots at both sides of the metal frame.

The invention provides a lifting device for shelves as well as a shelf component and a refrigerator. The lifting device for the shelves comprises first rod bodies, second rod bodies, third rod bodies and sliding locking members, wherein the first rod bodies and the second rod bodies are rotabablely connected; the first rod bodies are provided with first transfer parts; the second rod bodies are provided with second transfer parts; at least one of the first transfer parts and the second transfer parts is used for being rotatablely connected with the shelves; the third rod bodies are rotatablely connected with the first rod bodies; the third rod bodies are provided with the sliding locking members which can rotate relative to the third rod bodies; the sliding locking members are arranged on the second rod bodies in a cooperation manner; and further, the sliding locking members can slide along the second rod bodies or be tightly locked with the second rod bodies. The lifting device for the shelves, which is provided by the invention, can be unfolded to support the shelves or folded to be convenient to store; moreover, the heights of the positions of the shelves can be regulated through regulating the sliding locking members; and the lifting device is simple in composition structure, and has the advantage that a spatial volume is small in both unfolding and folding states.

The invention discloses a ratchet wrench with large torque force and wide application range, comprising a handle, a ratchet mechanism and a cutter bar which are successively connected from top to bottom, wherein the ratchet mechanism comprises a handle pole, a reversing piece, a first tooth, a second tooth, a tooth papillae, a third tooth and a fourth tooth; the first tooth and the second tooth are installed on the handle pole in an elastic mode; the reversing piece is sleeved on the handle pole; the teeth on the tooth papillae are arranged at the outer edge of the tooth papillae; the tooth papillae and the handle pole are in superposed connection so as to realize opposite rotation; the third tooth and the fourth tooth are installed on the handle pole in an elastic mode; the first tooth, the second tooth, the third tooth and the forth tooth are distributed in turn along the circumferential direction of the tooth papillae; and the reversing piece is provided with a separating device which can lead the first tooth and the third tooth or the second tooth and the four tooth to be separated from the teeth on the tooth papillae.

The invention relates to a milling cutter. The milling cutter comprises a cutter holder and blades; each blade is arranged in a substantially-circular polygonal shape; each edge of each blade is provided with a cutting edge; the cutter holder is provided with a plurality of mounting grooves corresponding to the blades; a locking bolt matched with the cutter base in a threaded mode is inserted intoand connected with the middle of each blade; the two side walls of each mounting groove are provided with insertion-connecting grooves correspondingly; the cross section of the insertion-connecting grooves are in a large semicircular shape; insertion-connecting rods are arranged in the insertion-connecting grooves; the side walls of the blades are provided with abutting grooves allowing the insertion-connecting rods to be inserted into and connected with correspondingly; and the side walls of the blades do not abut against the inner walls of the mounting grooves when the insertion-connectingrods are inserted into and connected with the abutting grooves. The milling cutter has the effect that the blade is positioned while the usable time of the cutting edges of the blades is ensured to the greatest extent.

The present invention belongs to the technical field of the shoe washing machine, in order to solve the problems of water seepage / water leakage of the inlet pipe and the drainage pipe due to fatigue damage of the inlet pipe and the drainage pipe caused by that the inlet pipe and the drainage pipe of the existing drawer type shoe washing machine are repeatedly bent when moving with the drawer. Thepresent invention provides a shoe washing machine. The shoe washing machine comprises a box body and a drawer slidably arranged in the box body; the drawer is provided with a fixing member for fixingpipes and / or a wire harness of the shoe washing machine; and at least part of the fixing member is designed as an arcuate configuration to limit the bending angle of the pipes and / or the wire harnessof the shoe washing machine. According to the technical scheme of the present invention, the pipes and / or the wire harness are fixed to the bottom of the drawer by using the fixing member, the pipes and / or the wire harness cannot be excessively bent to damage the pipes and / or the wire harness, and the flow of the medium inside the pipes cannot be affected by the bent pipes, so that the normal operation of the shoe washing machine can be ensured, and the safety of the shoe washing machine can be improved.

The invention discloses a novel high-strength wear-resistant six-strand rope for marine work. The rope comprises a rope body, wherein the rope body comprises a center rubber rod, rope strands, a filtering layer, wrapping layers, a waterproof layer, a wear-resistant layer, a corrosion-resistant layer and a rope wrapper. The center of the rope body is provided by the center rubber rod, the center rubber rod is arranged in the axial direction of the rope body, the outer side of the center rubber rod is wrapped with rope strands, the rope strands are formed by cross weaving of the rope strands twisting in the left direction and the right strands twisting in the right direction, the number of the rope strands is six, the outer sides of the rope strands are provided with wrapping layers, the filtering layer is arranged between the wrapping layer and the rope strands, the waterproof layer is arranged between the wrapping layer and the wear-resistant layer, the corrosion-resistant layer is arranged between the wear-resistant layer and the rope wrapper, and the rope wrapper is arranged on the outer layer of the rope body. According to the novel high-strength wear-resistant six-strand rope for the marine work, tenacity and strength of the rope are effectively improved by the arrangement of the center rubber rod and the rope strands outside the center rubber rod, and wear-resistant performance of the rope is effectively improved and service life is prolonged by the arrangement of the waterproof layer, the wear-resistant layer and the corrosion-resistant layer.

The invention provides a robot head which comprises a front face housing and an afterbrain housing; the afterbrain housing is in butt joint with the front face housing for forming an inner space; andan eye driving mechanism, a mouth driving mechanism and a head transmission mechanism are arranged in the inner space in a spaced manner. According to the robot head, the eye driving mechanism is placed an eye socket space and a space nearby the eye socket, the mouth driving mechanism is placed in a mouth space and a space nearby the cheek, and the head transmission mechanism extends from a head space to a neck space, therefore, the eye driving mechanism, the mouth driving mechanism and the head transmission mechanism are arranged reasonably, the inner space is used fully, and the problems that the set space is not sufficient and mutual interference and mutual abrasion happen between transmission components are solved.

The invention discloses a drawplate-bearing electrostatic air purifier which comprises a grip, a clamping groove, silencing cotton, a buckle, an air refreshing agent, a drawplate, a tongue, a groove, a fixed block and a nonskid mat, wherein the buckle is arranged on the bottom end of a bottle opening; the bottle opening is connected with a bottle body through the buckle; the grip is arranged on the outer wall of the bottle body; an electrostatic adsorption device is fixed to the inner wall of the bottle body through the clamping groove; an activated carbon filter screen is fixed to the inner wall of the bottle opening through a first locating piece; the outer wall of the bottle body is provided with the drawplate; the inner walls of the bottle opening and bottle body are respectively provided with the silencing cotton; the surface of the first locating piece is provided with the air refreshing agent; and the bottom of a base is provided with the nonskid mat. The air purifier is convenient for cleaning and maintenance, is simple for assembling and disassembling the internal and external structures, has low noise in the working process, can effectively remove pungent odor caused by ozone, has the advantages of beautiful appearance and high base fixing capacity, and is convenient for the user to take and transport.

The invention discloses an intelligent mechanical arm convenient to move. The intelligent mechanical arm convenient to move comprises a base, a stand column, shaft joints, a control device and a remote controller; a storage box is arranged on one side of the stand column; the shaft joints are rotationally connected pairwise; an extension control mechanism is arranged in the connecting place of two shaft joints; the remote controller and the control device are in wireless communicating connection; a driving control module, an actuation control module, an extension control module, a warning control module, a remote controller control module and a central control module are arranged in the control device; the remote controller control module is connected with the remote controller; and the driving control module, the actuation control module, the extension control module, the warning control module and the remote controller control module are all connected with the central control module. The intelligent mechanical arm convenient to move realizes one-key control through the remote controller, in particular, controls extension of the shaft joints through the remote controller, and is provided with the extension control mechanism between two shaft joints for realizing a shrinkage function of the shaft joints to conveniently carry and move the mechanical arm.

The invention discloses a torque pulse motor which comprises a bypass valve assembly, a motor assembly, a universal shaft assembly and a transmission shaft assembly, wherein the bypass valve assembly, the motor assembly, the universal shaft assembly and the transmission shaft assembly are sequentially connected from left to right. The motor assembly comprises a screw rod stator and a screw rod rotor with a central hole. A torque pulse generator is connected between the bypass valve assembly and the motor assembly. The torque pulse generator comprises a sleeve connector, and a stator flow divider valve and a rotor flow divider valve are arranged in the sleeve connector. An upper nozzle is eccentrically arranged in the stator flow divider valve. Axial through holes are formed in the stator flow divider valve along the circumference. The right end of the rotor flow divider valve is connected with the screw rod rotor. A lower nozzle is arranged in the central hole of the rotor flow divider valve, and the axis of a central hole of the lower nozzle is parallel to the axis of a central hole of the upper nozzle. Flow fluctuation is generated by drilling fluid passing through the torque pulse generator, so that the rotating speed of a transmission shaft in the transmission shaft assembly varies, the stick-slipping and vibration phenomena of a PDC drill bit-drill stem in the drilling process are eliminated, the drilling speed is increased, and the service life of a drill bit is prolonged.

The invention provides a fixed bed multiphase atomizing nozzle, comprising a whirlcone, an inner nozzle and an outer nozzle which are coaxially arranged in sequence; the head of the whirlcone is provided with multiple first whirling grooves; the outer wall of the whirlcone and the inner wall of the inner nozzle define a liquid phase channel; the head of the inner nozzle is provided with a liquid phase spray orifice; the liquid phase channel is communicated with the liquid phase spray orifice by the first whirling grooves; the area of the end face of the head of the outer nozzle is 1.5-5 times the cross sectional area of the greatest cross section of the inner nozzle; the middle of the end face of the head of the outer nozzle is provided with a fixing hole; the outer wall of the inner nozzle and the inner wall of the outer nozzle define a gas phase channel; the end face of the head of the outer nozzle is provided with multiple whirling holes around the fixing hole, and the gas phase channel is communicated with the whirling holes; on the end face of the head of the outer nozzle, the outer sides of the whirling holes are further provided with multiple gas phase spray holes around the fixing hole, and the multiple gas phase spray holes are communicated with the gas phase channel. According to the atomizing nozzle, the atomizing angle and the atomizing diameter are both increased greatly, the atomizing effect is better, and the atomizing range is larger.

The invention provides a horn antenna capable of realizing multiple polarizations. The horn antenna comprises a horn antenna body, a variable polarizer, a waveguide transition component and a rotatingmechanism for adjusting a relative angle between the variable polarizer and the waveguide transition component, and the horn antenna body, the variable polarizer, the rotating mechanism and the waveguide transition component are connected in sequence. The horn antenna has the beneficial effects that: a combined structure of the horn antenna body, the variable polarizer, the waveguide transition component and the rotating mechanism used for adjusting the relative angle between the variable polarizer and the waveguide transition component are designed, the relative angle between waveguide transition component and the variable polarizer is changed through the rotating mechanism, the polarization properties of electromagnetic waves in the conical horn are changed, switching of the working modes of linear polarization, left circular polarization, right circular polarization and elliptical polarization can be achieved, and the polarization switching efficiency is improved.

The invention relates to the field of a pneumatic marking machine, and more particularly to a double pneumatic punch needle device. A punch needle base is mounted at the bottom of an air board. A piston rod is disposed in the punch needle. The bottom of the piston rod is equipped with a punch needle member. The top of the piston rod forms an upper air chamber with the air board. The bottom of the piston rod forms a lower air chamber with the punch needle base. The air channel of the air board communicates with the upper air chamber and the lower air chamber separately. The marking action is completed by controlling the air volume of the upper air chamber and the lower air chamber with a double air pump and by rapid inflation to make the punch needle member to press downward. The invention is at least advantageous in that the punch needle device reduces the mechanical contact and avoids the mutual wear among parts, thereby reducing the number of mechanical spare parts; and by adopting the double air pump to provide power, the punch needle device is designed to save energy and reduce loss, with the cooperation of a punch needle limit plate and a punch needle limit sleeve, the accuracy of the marking process is enhanced, the deformation or aging of the mechanical parts will not result in the change of mechanical performance, and the service life of the punch needle device is greatly increased.

The invention relates to the technical field of air conditioners, in particular to a compact type car-mounted roof-mounted air conditioner. The compact type car-mounted roof-mounted air conditioner comprises a supercooling condenser, a fan, an air blower, a compressor, an evaporator, an expansion valve, an air conditioner fixing panel and an air conditioner outer shell, the air conditioner makes driving more comfortable, and the high temperature in a car can be avoided in the hot summer; and after the air conditioner is energized, a refrigerant low-pressure steam is sucked into the compressor and compressed into high temperature and high pressure steam and then discharged to the supercooling condenser to dissipate heat, meanwhile, outdoor air sucked by the fan flows through the supercooling condenser and takes away the heat emitted by the refrigerant, so that the high temperature and high pressure refrigerant steam are condensed into high pressure liquid and enters the evaporator, the high pressure liquid evaporates and absorbs heat under corresponding low pressure, the heat around is absorbed, meanwhile, the air inside the car enters fins of the evaporator from an air inlet for heat exchange, the cooled air after heat release is transmitted to the car from the air outlet through the air blower, so that the air in the car circulates and flows constantly, the temperature is reduced, and an integrated air conditioner has a higher refrigeration efficiency.

The invention relates to the field of electronics, and discloses an SMA actuating device, a camera shooting module and electronic equipment. The SMA actuating device comprises an actuating device anda driven piece, wherein the actuating part comprises an SMA wire, a supporting part, a first elastic part, a connecting rod and a second elastic part; the SMA wire can be electrified and contracted, and one end of the connecting rod is connected with the SMA wire; the first elastic part is arranged between the connecting rod and the supporting part; the second elastic part is arranged at the otherend of the connecting rod; the first elastic part and the second elastic part can be elastically bent; the driven piece is connected with the second elastic part; the SMA wire can drive the connecting rod and the second elastic arm to swing relative to the supporting part through contraction, and the second elastic part can drive the driven piece to move. According to the invention, the connection part between the actuating part and the driven piece can be prevented from moving relatively, so that the problem of mutual abrasion between the part and the driven piece is avoided, and the servicelife is prolonged.

The invention discloses a photodynamic laser treatment device for deep pains. The device comprises a laser treatment device shell, a laser searchlighting device, a handheld laser head, a bracket, a wire, a display screen, an armrest, universal wheels, a first semicircle clamping plate, a second semicircle clamping plate, a clamping plate, a non-slip mat, a fixed plate, a moving plate, a supportingplate, a slide rail, reset springs and fixed sleeves, the display screen is arranged in the center of the top of the surface of the laser treatment device shell, and the universal wheels are fixed tothe bottom of the laser treatment device shell through screws; the laser searchlighting device is arranged in the center of the top of the laser treatment device shell, the bracket is fixed to one side of the top of the laser treatment device shell through a screw, and the photodynamic laser treatment device for the deep pains can achieve a plurality of treatment effects simultaneously, solves the problem in the prior art that existing rehabilitation physical therapy equipment cannot achieve a plurality of treatment effects simultaneously, integrates laser treatment and red light treatment and effectively relieves the deep pains and nonspecific inflammations.

The invention relates to a light guide plate which is provided with a light entering surface, wherein the edge of the light entering surface is provided with a lug boss; the light entering surface is provided with a micro structure; the height of the micro structure relative to the light entering surface is less than that of the lug boss relative to the light entering surface; and the lug boss of the light guide plate can be used for supporting a light source group so as to avoid the mutual friction of the light source group and the micro structure and then protect the micro structure and the light source group. In addition, the invention also provides a back light module using the light guide plate.

The invention relates to a swing type grinding roller device which is characterized by comprising a grinding roller shaft, a grinding roller sheathed outside the upper part of the grinding roller shaft in a rotating way, a grinding roller shaft sleeve fixedly sheathed outside the lower part of the grinding roller shaft, a swing arm and a swing arm shaft, wherein one end of the swing arm is fixed outside the grinding roller shaft sleeve, and the other end of the swing arm is fixedly or rotatablely connected with the swing arm shaft. The invention aims at providing the swing type grinding roller device capable of prolonging the service life of the grinding roller shaft.

The invention discloses a camshaft and a machining method thereof. A thrust surface and multiple spaced cams are arranged on the camshaft. Each cam comprises a working portion and two auxiliary portions, the working portion is in contact with a tappet, the two auxiliary portions are symmetrically arranged on two sides of the working portion, the longitudinal section of each auxiliary portion is in the same shape as the working portion but scaled down, and the distance between each point at the edge of the end face of each auxiliary portion and the axis of the camshaft is smaller than that between the corresponding point on the outer surface of the working portion and the axis of the camshaft. The cross section of each cam is high in middle and low in both ends, sharp edges are avoided existing on two sides of the cams to cause mutual wear of the cams and the tappets, meanwhile grinding wheels must be positioned relative to the thrust surface in the process of grinding the cams so as to ensure eccentricity of the cams and the tappets due to the structure, machining quality of the camshaft is improved, the cams on the same camshaft are similar in wear degree, and service lives of the camshaft and the tappets are prolonged.

The invention discloses a flexible mineral insulated cable and a production method thereof. The flexible mineral insulated cable comprises cable core conductors, insulated layers and a sheath. An inner calcined mica insulated tape wraps every cable core conductor tightly, an outer calcined mica insulated tape wraps every inner calcined mica insulated tape, and the insulated layer wraps every outer calcined mica insulated tape by extruding so as to form one insulated wire. A glass fiber filling rope is arranged in a gap among the insulated wires which are stranded into a cable body, mineral oxygen-insulated fireproof filling mud is extruded outside the stranded insulated wires, a fire-resistant layer is arranged outside the mineral oxygen-insulated fireproof filling mud, and the sheath is extruded outside the fire-resistant layer. The flexible mineral insulated cable has the advantages of high flexibility, excellent insulating and fire-resisting performance, simple production technology, low cost and long service life.

The invention relates to the technical field of clutch transmission mechanisms, and discloses a transmission connecting shaft clutch mechanism based on a magnetorheological fluid. The mechanism comprises a transmission main shaft, wherein a mounting inner groove is formed in one side of the middle of an inner cavity of the transmission main shaft, a movable pressing rod is movably arranged on theinner wall of the mounting inner groove in a sleeve mode, the movable pressing rod is in transmission connection with one side of the inner wall of the mounting inner groove through a reset spring, atransmission groove hole is formed inside one side of the outer surface of the transmission main shaft, and an electromagnetic coil is fixedly mounted on the left side of the outer surface of a transmission driven shaft and located on the outer edge of the transmission groove hole. According to the transmission connecting shaft clutch mechanism based on the magnetorheological fluid, through arrangement of the mounting inner groove, the movable pressing rod and the reset spring, a magnetorheological fluid on one side of the inner cavity of the transmission main shaft can be discharged out of the transmission main shaft when power is separated, so that damping friction caused by the magnetorheological fluid in a suspension state to the transmission main shaft is reduced, and then friction loss of the transmission main shaft when power is transmitting is reduced.

The invention provides a duplex insulator string hoisting tool, and relates to the technical field of power construction equipment. The duplex insulator string hoisting tool comprises a cross beam andlocking parts, a hoisting part is arranged in the middle of the cross beam and is used for being connected with a rope. The two locking parts are arranged at the two ends of the cross beam and used for being locked with end fittings of composite insulator strings. Each locking part comprises a first locking body and a second locking body, the first side of each first locking body is connected with the cross beam, and a first arc-shaped groove is formed in the opposite second side of each first locking body. A second arc-shaped groove is formed in the first side of each second locking body, and the first locking body is detachably connected with the corresponding second locking body. The first side of each second locking body is buckled on the second side of the corresponding first lockingbody, and the first arc-shaped grooves and the second arc-shaped grooves form locking through holes for containing and locking the end fittings. The duplex insulator string hoisting tool is used forhoisting the duplex insulator strings, friction and collisions between the two duplex insulator strings can be effectively avoided.

The invention discloses an automobile radiator mounting structure. The automobile radiator mounting structure comprises a fixing plate and supporting plates arranged at the two ends of the fixing plate. Elastic connecting pieces are of a U shape, and openings of the U-shaped elastic connecting pieces face downwards. One end of each elastic connecting piece is connected with the end of the fixing plate. The other end of each elastic connecting piece is connected with the upper end of the corresponding supporting plate. The lower end of each supporting plate is connected with a mounting base. A damper cylinder is fixed to each mounting base. The bottom of the fixing plate is provided with connecting blocks. The two ends of each spring are connected with the corresponding damper cylinder and the bottom of the corresponding connecting block. In the long-term using process, the elastic connecting pieces can be worn to some extent and need to be replaced regularly; the connecting blocks mounted at the bottom of the fixing plate are matched with the springs, so that at the moment when stress of a radiator acts on the fixing plate, most of the sudden stress generated by the fixing plate is offset to reduce the workload of the elastic connecting pieces, and consequently the service life of the elastic connecting pieces is further prolonged.

The invention discloses a guyed meter reading rod comprising a clamping assembly, an infrared meter reading device, a telescopic rod and a handle. The clamping device is provided with a pressing device thereon. The pressing device comprises an upper slide rail, a lower slide rail, a roller, a first limit plate, a second limit plate, a spring, a transmission rope, a stay cord and a transmission part. The first limit plate is fixed on the clamping assembly. The upper and lower slide rails are of the same shape and protrude both towards the direction of an opening button. The lower slide rail includes a first lower slide rail and a second lower slide rail which are located on both sides of the opening button. The roller is sleeved with a first bearing and a second bearing. The transmission rope is connected with an outer ring of the first bearing. The spring is connected with an outer ring of the second bearing. In the invention, through the pressing device, the infrared meter reading device is enabled to align first and then read an electric meter by pressing the opening button when in use for meter reading of the electric meter at a high position, the failure of meter reading caused by the incapability of completing the alignment in a short time after the opening button is pressed to start the infrared meter reading device is avoided, and the efficiency of the meter reading is improved.