58results about How to "No friction damage" patented technology

The invention relates to an internal extracting device for calculus cavities of urinary systems. The internal extracting device comprises a guide tube and a guide wire. A net basket is arranged at a far end of the guide wire, a calculus extracting pocket is fixed onto the net basket and is in the shape of an elongated pocket by means of pre-plasticizing, an opening is formed in a surface of a near end of the calculus extracting pocket, and tiny holes are further formed in the calculus extracting pocket. The internal extracting device for the calculus cavities of the urinary systems has the advantages that large quantities of broken calculi, blood clots and pus clots can be extracted by the internal extracting device at one step, the internal extracting device is free of constraints of the inner diameters of the lumens of the ureters or the inner diameters of operation channels, broken calculus missing in calculus extracting procedures can be prevented, and the broken calculi can be effectively prevented from being poured into the kidneys by water current; injury to the walls of the ureters due to the broken calculi can be prevented, and accordingly the internal extracting device is safe and reliable.

The invention discloses a pipe burying pay-off device for water conservancy construction and with a length recording function. The pipe burying pay-off device for water conservancy construction and with the length recording function comprises a supporting base and a pay-off box; the lower end of the supporting base is connected with supporting legs; walking wheels are arranged at the bottom ends of the supporting legs; a hydraulic lifting column is arranged in the right middle of the upper end of the supporting base; the top end of the hydraulic lifting column is connected to the bottom end of the pay-off box; a through groove is formed in the pay-off box; a pay-off roller is arranged in the through groove; a rotating shaft is arranged in the pay-off roller; a transmission wheel is arranged on a right side suspension arm of the rotating shaft; the transmission wheel is connected to a driving wheel through a belt; a rotating wheel is hung on a left side suspension arm of the rotating shaft; the rotating wheel is connected to a distance measuring box through a transmission belt; a sleeve is fixedly arranged in the right middle of the top end of the pay-off box; a hollow pipe is connected in the sleeve in a sliding manner; and the bottom end of the hollow pipe is connected with a pressing and holding plate. The pipe burying pay-off device for water conservancy construction and with the length recording function is simple in structure and convenient to use, and due to the arrangement of the distance measuring box, a cable laying speed during construction can be controlled.

The invention belongs to the field of cable construction, and particularly relates to cable construction equipment which comprises support rods A, telescopic rod structures, supporting legs, guide rings, sliding sleeves, a roller A, a fixing plate B, a supporting square frame, guide rods, sliding rods, a transmission shell, shaft sleeves, shafts A, shafts B and a roller B, wherein the two supportrods A are connected through the two symmetrically-distributed telescopic rod structures with the length capable of being locked, four supporting legs for supporting and pressing the vertical shaft wall of a cable well are symmetrically mounted on the two support rods A. By adjusting the position of the roller A at the outlet of the vertical shaft of the cable well and the position of the roller Bat the corner of the cable well, a cable supported and guided by the roller B and the roller A in sequence is supported away from the well edge of the cable well, and cable skin damage caused by friction of the cable at the corner of the cable well in a traditional cable construction mode is avoided, and the quality of cable construction and the safety of cable operation after cable constructionare ensured.

The invention discloses an embroidered material clamping frame system applied to multi-layer embroidery. The embroidered material clamping frame system comprises an embroidery frame, and further comprises an auxiliary clamping part and a tensioning assembly; an embroidery frame inner side clamping face is arranged on the embroidery frame; a front side embroidered material clamping face and a rearside embroidered material clamping rung are arranged on the auxiliary clamping part, the front side embroidered material clamping face is used for tightly fitting the embroidery frame inner side clamping face to clamp an embroidered material, and the rear side embroidered material clamping rung is used for cooperating with an embroidered material clamp to clamp the embroidered material; the embroidery frame and the cooperating auxiliary clamping part correspond to the tensioning assembly, and the auxiliary clamping part is pulled by the tensioning assembly to the embroidery frame until the auxiliary clamping part is tightly attached and fixed to the embroidery frame. The embroidered material clamping frame system is simple in structure and convenient to use, can well complete single-layeror multi-layer embroidery, is simple and convenient to disassemble and assemble and effortless, lowers the operation difficulty of workers, has good tautness and stationarity, cannot rub and damage the embroidered material, has a good positioning effect, improves the operation efficiency of the workers and the quality of obtained embroidery products, and is extremely worthy of application and promotion in the field.

The invention relates to a rotating seal which belongs to the field of sealing technology, in particular to a non-contact seal that is especially suitable for being used as the seal of two phase of gas-liquid or a revolving spindle with higher linear velocity. A whole ring-shaped seal is formed by connecting an upper semi-ring seal and a lower semi-ring seal; the semi-ring seals are respectively provided with a semi-ring base body which is provided with a cooling jacket, an end cover connecting plate and a semi-ring seal connecting plate used for connecting the two semi-ring seals; and the semi-ring base body is also provided with a cooling loop and a lipid supplementing hole. The invention has the advantages of greatly reducing the friction and abrasion of the sealing contact surface and avoiding the damage of shaft diameter; due to the distinctive valving structure of the rotating seal, the installation and maintenance are convenient, and the application scope and field can be enlarged; the rotating seal has good sealing performance, no leakage, strong pressure-proof capability and long service life, and can be used for sealing gas and liquid at the same time.

The invention provides a cleaning agent and a cleaning method thereof. The cleaning agent comprises, by mass, the following components of 20-50 parts of cured resin, 30-70 parts of mixed solvent, 5-10 parts of foaming agents and 1-5 parts of sterilizing agents; the cured resin is high-crosslinked polytetrafluoroethylene resin or polystyrene resin or polyacrylic resin or epoxy resin; the mixed solvent is composed of water, ethyl alcohol, acetone, tetrahydrofuran and isopropanol; the foaming agents are lauryl sodium sulfate or polyoxyethylene fatty alcohol sodium sulfate or rosin soap. According to the cleaning agent and the cleaning method thereof, pollutants such as viscid gum and oil contamination which are difficult to remove on the surfaces of floor tiles, marble, glass, metal and the like can be thoroughly removed well and more quickly, the usage amount of the cleaning agent can be reduced, wearing of hard friction materials on the surfaces of the pollutants can be avoided, and the tile surfaces can not be worn.

The invention discloses a film-rolling device with an edge-folding sheet. The film-rolling device comprises a left supporting mechanism (1), a right supporting mechanism (2), a roller (3) and a conveying flat belt (4), wherein a supporting base (6) is fixed on a base plate (5); sliding blocks (9) and a compression spring (8) are successively arranged between the bottom of a groove (11) and a mounting plate (10) in the groove (11); fixing rods (14) are mounted in a bearing (13); the fixing rod (14) on the left side is fixed on the sliding block (9) of the left supporting mechanism (1); the fixing rod (14) on the right side is fixed on the sliding block (9) of the left supporting mechanism (1); semicircular parts (15) are mounted on the two fixing rods (14); a silica gel drum (16) sleeves the roller (3); the silica gel drum (16) is tangent with the conveying flat belt (4). The film-rolling device with the edge-folding sheet has the beneficial effects that the film pasting efficiency is increased, the labor intensity of worker is relieved, the film rolling is thorough and the product quality is high.

The invention discloses an environmental monitoring deepwater sampler. The environmental monitoring deepwater sampler comprises a main body box and a water pump storage box, a rotating cylinder is rotatably mounted in the main body box by a rotating shaft, one end of the rotating shaft goes through the inner wall of the main body box and is provided with a rotating handle, a water tube is wound around the rotating cylinder by a winding plate, an electric connecting wire is fixed on the surface of the water tube, a measuring scale is arranged on the surface of the water tube, a notch is arranged in the upper end surface of the water pump storage box, a rotating wheel is rotatably mounted at the notch, a water pump is stored in the water pump storage box, a second side opening door is rotatably mounted in the outer surface of the water pump storage box, a water sample receiving container is placed in the main body box, a water capacity scale is engraved on the outer surface of the watersample receiving container, a lifting handle is mounted at the upper end of the water sample receiving container, and a first side opening door is rotatably mounted in the end surface, positioned at one side of the water sample receiving container, of the main body box. The environmental monitoring deepwater sampler has the advantages of realization of water depth positioning and sampling of a water sample, simple structure, small size and portability.

The invention is related to level sensing device, especially electromagnetic force type level sensing device. The device is mainly composed of electromagnetic force drive gear, toggle axis, detection axis bellows seal piece, appliance switch, and case of meter. Coil and magnet is arranged oppositely. Direct current passes through coil alternately and periodically, so as to generate magnetic field around the coil. Magnetic field of coil and magnetic action force generated from magnetic field of magnet drive the toggle axis together with detection axis to do reciprocal motion to detect materiel. When there is materiel, magnetic force turns appliance switch on / off to send out contact signal of materiel level. The device is applicable to measuring materiel level in bunker of storing materiel with large viscosity under condition of high temperature and high pressure.

The invention relates to an environment-friendly and health oil stain removal cream which not only can effectively extract out dirt in the hand face and dirt deep in handprints, but also is natural and nontoxic, and cannot cause friction harm, alkali harm, chemical stimulation harm and the like to skin. According to the technical scheme, the environment-friendly and health oil stain removal cream comprises the following components in parts by weight: 8-12% of potassium stearate, 10-20% of vegetable fiber powder, 2-4% of lauryl sodium sulfate, 2-4% of coconut oil fatty acid diethanol amide, 0.5-1% of ethylenediamine tetraacetic acid, 0.1-0.3% of food flavor, 0.05-0.2% of a preservative, 2-4% of AE09, and the balance of pure water, wherein the sum of percentage of all components is 100%. The environment-friendly and health oil stain removal cream provided by the invention is good in biodegradability, does not pollute the environment, is added with a flexible hand plant abrasive agent and a natural detergent, does not contain oil removal components which belong to chemical solvents, does not cause friction harm, alkali harm, chemical stimulation harm and the like to skin, and can well clean dirt in the hand face and handprints to keep hands clean and healthy.

The invention relates to the technical field of electronic components. The wireless control rolling potentiometer solves the technical problem that positioning is hard when an electric brush of a potentiometer is adjusted in the prior art. The wireless control rolling potentiometer comprises a potentiometer body, a controller and a motor. The potentiometer body comprises an insulation base plate, a rotating shaft, at least two semi-arc resistor bodies and a rolling electric brush, wherein the rotating shaft is arranged in the center of the insulation base plate, the resistor bodies are arranged on the insulation base plate and rotate around the rotating shaft, and the two resistor bodies are connected through a gear switch. The rolling electric brush comprises a conductive ball and a hopper support for embedding of the conductive ball. The top end of the hopper support is fixedly connected with the rotating shaft. The ball abuts against the arc resistor bodies. The hopper support is made of conductive materials. The controller comprises a processor, a control circuit and a wireless communication interface. The motor is connected with the rotating shaft. The control circuit is connected with the motor, and then the technical effect of adjusting the potentiometer rapidly and precisely is achieved.

The invention relates to a lily fruit slice body separation machine which comprises a rack; the front end of the rack is provided with a feeding groove, a material distribution groove and a sealing plate; a feeding hole is formed between the sealing plate and the material distribution groove, and communicates the feeding groove and the material distribution groove; the material distribution groove is provided with a slope; gas nozzles are arranged at the lower end of the material distribution groove, and are connected with gas tubes; a material distribution net is arranged on the rear side of the material distribution groove, and is fixed on the rack; a discharge device is arranged below the material distribution net; and the material distribution groove, the material distribution net and the discharge device are sealed on the rack by side sealing plates and a top sealing plate. With utilization of the lily fruit slice body separation machine to separate lily bulbs, the working efficiency is higher, the quality of each lily bulb body can be better ensured, the using effect is more ideal, and the development demands of a market can be better met.

The invention relates to the technical field of ceramics, and discloses a light-emitting ceramic tile based on a co-firing method preparation process, and the preparation process thereof. The preparation process comprises a luminous particle pre-sintering step and a finished product preparation step, wherein the luminous particle pre-sintering step comprises: S1) preparing luminous slurry; S2) putting the luminous slurry into an electric furnace, and presintering at 600-700 DEG C to remove impurities, so as to obtain luminous particles; and the preparation step of the finished product comprises: P1) applying a first viscous material on the surface of a green body to form a lower viscous layer on the green body; P2) applying the luminous particles to form a luminous layer on the green body;P3) applying transparent glaze to form a transparent glaze layer on the green body, and P4) placing the green body in a kiln, and firing at 1100-1250 DEG C to prepare the luminous ceramic tile. The luminous layer can prevent liquid in the transparent glaze from eroding and damaging particles of luminous powder in a fired molten state, and the prepared ceramic product is high in luminous brightness and long in luminous life.

The invention discloses a garbage sorting pool, and belongs to the field of garbage sorting. The garbage sorting pool comprises a pool body which is internally provided with a partition; the partitionis hollow, the upper end of the partition is provided with an opening, and the left side wall and the right side wall of the partition are provided with a slag outlet and a water outlet which communicate with the interior; the slag outlet is located above the water outlet, and a turnover plate is arranged between the front side end and the rear side end of the slag outlet and provided with a swing rod; a scraping plate is arranged in the water outlet, the bottom end of the scraping plate is rotationally connected to the side wall of the water outlet, and the bottom end of the swing rod abutsagainst the side, away from the partition, of the top end of the scraping plate; and an ejector rod stretching into the partition is fixed to the lower end of a pressing plate and can trigger the turnover plate to turn over. According to the garbage sorting pool, light garbage and heavy garbage can be discharged separately after being subjected to blocking separation, the situation that sorting ofthe light garbage and the heavy garbage is influenced by water flow in the pool is avoided, the sorting effect is better, and the problem that in the prior art, light garbage and heavy garbage are mixed again by water flow generated in the process that the heavy garbage is pumped and discharged through a screw conveying device, and thus, unthorough sorting is caused is solved.

The invention belongs to the field of cable construction, and particularly relates to a cable construction device. The device comprises bracket rods A, a telescopic rod structure, supporting legs, a guide ring, a sliding sleeve, a roller A, a fixed plate B, a supporting square frame, a guide rod, a sliding rod, a transmission shell, a shaft sleeve, a shaft A, a shaft B and a roller B, wherein thetwo bracket rods A are connected through two symmetrically-distributed telescopic rod structures with the length capable of being locked, and four supporting legs for supporting and pressing the sidewall of the vertical shaft of a cable well are symmetrically installed on the two bracket rods A. According to the invention, by adjusting the position of the roller A at the outlet of the vertical shaft of the cable well and the position of the roller B at the corner of the cable well, the cable which is supported and guided by the roller B and the roller A in sequence is supported away from thewell edge of the cable well; cable skin damage caused by friction of the cable at the corner of the cable well in a traditional cable construction mode is avoided; and the quality of cable construction and the safety of cable operation after cable construction are guaranteed.

The invention relates to the technical field of machine manufacturing, and discloses a disc brake device for automobile braking. The disc brake device for automobile braking comprises a brake caliperand a brake disc, a brake groove is formed in the bottom of the middle of the brake caliper, friction plates are movably installed at the two sides of the brake groove, and rotating blades are annularly, evenly and fixedly installed at the outer rings of the two ends of the brake disc; air collecting grooves are formed in the middle positions, located at the bottoms of the two sides of the brake groove, of the brake caliper, screw rods are movably installed in the air collecting grooves, air blowing holes are evenly formed in one side of the brake caliper in a vertical strip shape, and a transmission cavity is formed in the position, located at the tops of the air collecting grooves, in the brake caliper; and a rotating shaft is movably installed at the position, close to the middle of thebrake caliper, of the top of the transmission cavity, and rotating spiral blades are movably mounted in the positions, located in the middles of the air blowing holes, of the transmission cavity. According to the disc brake device, the surface of the brake disc is kept clean through cooperation of the screw rods, the air blowing holes and other structures, the brake effect is guaranteed, meanwhile, heat dissipation is facilitated, and the service life is long.

Disclosed is a cable clamp. Situations that failure caused by corrosion of an iron cable clamp and damage due to abrasion of leads are prone to occurrence in outdoor environment; the outdoor leads are mostly erected at high altitude, so that difficulty in operation is high, construction environment is complex, and in many cases, materials are needed to be carried to construction sites by workers. The workers have limited weight, so that operation radius is greatly limited. The cable clamp has the advantages of resistance to corrosion, rapidness in mounting and capability of avoiding abrasion damage of cables. A linkage, a power storage unit and spring shock absorption are organically combined, energy generating from shaking of the leads can be effectively absorbed, range of the leads in shaking is attenuated, and a lead protection function is achieved; the cable clamp is light, convenient in carry, rapid in mounting and capable of effectively increasing maintenance speed and enlarging the operation radius of the workers.

The invention discloses a special tool for disassembly of a controlling gear of a locomotive diesel engine, and belongs to the technical field of internal combustion locomotive maintenance. The special tool comprises a main plate, a threaded lead screw, an adjusting nut and a drawing piece, wherein the main plate is provided with a first threaded hole and a plurality of second threaded holes uniformly distributed in the circumferential direction of the first threaded hole, the threaded lead screw penetrates through the first threaded hole and is in threaded fit with the first threaded hole, the threaded lead screw is locked through an adjusting nut positioned on one side of the main plate, two ends of the drawing piece are provided with threads, and the threads on one end of the drawing piece is in threaded fit with the second threaded holes on the main plate. The special tool is not only simple and light in structure and high in disassembly efficiency, but also does not damage the control gear and the stop keyboard.

The invention discloses a 3D printing individual rib replacement prosthesis and a preparation method thereof. The replacement prosthesis comprises a prosthesis body and connecting pieces arranged at the two ends of the prosthesis body respectively, wherein the shape of the prosthesis body truly simulates the shape of a rib needing to be replaced, the prosthesis body is provided with two ports, andthe two ports are in matched butt joint with two disabled bone fractures to be rebuilt; the prosthesis body comprises an inner prosthesis and an outer prosthesis wrapping the periphery of the inner prosthesis, the portions, at the two ports of the prosthesis body, of the inner prosthesis are not covered with the outer prosthesis; the inner prosthesis has a micro-pore structure, and the outer prosthesis is of a smooth solid structure. The 3D printing individual rib replacement prosthesis can completely replace the rib defect part, and is firmly connected with a disabled bone obtained after therib is cut away, after the surgery, the micro-pore structure promotes the disabled bone to grow into the connection, original bone form recovery can be completed to the maximum extent, shifting is not likely to be caused after long-time use; the bone substance at the joint and peripheral blood vessels and nerves cannot be rubbed or damaged, and the service life is long.

The invention discloses an eccentric rotary valve, which comprises a main valve body, a sealing valve clack arranged at a feed inlet of the main valve body, a valve clack support lug and a spindle, wherein one end of the disc support lug is connected with the sealing valve clack by the locating pin of a valve clack connecting shaft; the other end of the valve clack support lug is connected with the main valve body by the spindle; and the spindle is provided with a positioning sleeve which is used for adjusting the axial position of the valve clack support lug and is provided with a flange gasket which is used for seal at the time of connection of a valve and a pipeline. In the eccentric rotary valve of the invention, the sealing valve clack is arranged at the feed port of the main valve body, the spindle is rotated by external force (thrust from a pneumatic actuating mechanism), and the spindle is used for driving the valve clack support lug to carry out rotary motion; the support lug rotates to drive a main valve clack to perform rotary motion; and when the main valve clack contacts with the sealing plane on the valve body completely, the valve is in fully closed state, namely seal state. The eccentric rotary valve of the invention has the advantages of good sealing effects, long service life and stable operation, and has zero friction and damage of the materials to a valve seat under the condition of compressive state, thereby preferably protecting a sealing valve seat.

The invention provides a ribbon which can be used repeatedly, and provides a method of wiring by a plastic fiber whose load is borne by a hanger on the basis of the ribbon. The existing plastic fiber cable can be used for direct mounting, and the operation is convenient and quick. Three implementation methods are provided for the ribbon capable of being used repeatedly, namely, an untied ribbon, a multi-port ribbon and a multi-section compound ribbon. The invention also provides a method of wiring by using the plastic fiber, which is characterized in that the load of the plastic fiber is borne by the hanger. When the plastic fiber is wired, the plastic fiber is tied on the hanger supported by tower rods by the ribbon.

The invention discloses a circuit board cleaning device comprising a platform. A plurality of cleaning assemblies are arranged on the upper side of the platform, each cleaning assembly comprises a first flat plate and a second flat plate which are both vertically arranged, a plurality of first ion wind bars are arranged on each first flat plate, and a plurality of second ion wind bars are arrangedon each second flat plate. The first ion wind bars and the second ion wind bars are arranged between the first flat plates and the second flat plates. First protruding strips, second protruding strips and sliding blocks are further arranged between the first flat plates and the second flat plates. Each sliding block comprises a first block body, a connecting piece and a mounting seat which are sequentially arranged from top to bottom, wherein the width of the connecting piece is smaller than that of the first block body, a handle is arranged on the first block body, the connecting piece is inserted between the corresponding first protruding strip and the corresponding second protruding strip, and the mounting seat is provided with a clip for clamping a circuit board. The circuit board cleaning device can store circuit boards in a classified mode, remove electrostatics and dust and improve work efficiency.

The invention belongs to the technical field of surgical operation instrument disinfection, and particularly relates to a surgical operation instrument disinfection device and a use method thereof, and provides the following scheme that the surgical operation instrument disinfection device comprises a base and a filter plate, a middle column is fixedly connected to the outer wall of the top of the filter plate, a rotating ring is fixedly connected to the outer wall of the middle column, and an annular guide groove is formed in the outer wall of the rotating ring; and sliding blocks are slidably connected to the inner wall of the annular guide groove at equal intervals. By arranging the rapid flowing assembly, when an instrument is disinfected through a disinfectant, an air pump is started, the air pump guides external air into a hollow air blowing plate, and the external air is blown into the disinfectant through air blowing holes, so that flowing of the disinfectant is accelerated, the contact frequency of the instrument and the disinfectant is increased, and the disinfection effect is improved; when the gas drives the disinfectant to flow, the disinfectant impacts the shaking rope, so that the shaking ball on the shaking rope collides with the disinfectant, the flowing speed of the disinfectant is further increased, and the disinfection effect is further improved.

The invention belongs to the technical field of fresh air supply, in particular to a fresh air supply system based on solar photovoltaic module power supply, and provides the following scheme that the fresh air supply system comprises fresh air supply equipment and a fixing plate, the outer side of the fixing plate is fixedly connected with a solar photovoltaic panel, and dust cleaning modules are arranged on the outer sides, located at the two ends of the solar photovoltaic panel, of the fixing plate; the dust cleaning assembly comprises a hollow rotating cylinder and adsorption sticky plates, and adjusting rails are fixedly connected to the outer sides, located at the two ends of the solar photovoltaic panel, of fixing plates. By arranging the auxiliary bird repelling assembly, when an air cylinder drives a sliding block to slide on the inner wall of an adjusting rail, an impact iron block on an outer rod moves along with movement of the sliding block, in the moving process of the impact iron block, metal blocks on all connecting springs are impacted, and clear sound is made through impact between the impact iron block and the metal blocks; therefore, birds on the outer side of the solar photovoltaic panel are repelled, and the solar photovoltaic panel is prevented from being damaged due to existence of the birds.

The invention discloses a pneumatic valve, which comprises a valve body. A fluid passage is arranged in the middle of the valve body, two ends of the fluid passage are an inlet and an outlet respectively, a rubber pipe is arranged in the fluid passage, two ends of the rubber pipe are in sealing connection with the inner wall of the valve body, air ports are arranged on the lateral wall of the valve body and are respectively in external connection with an air inlet pipe and an air outlet pipe, a control valve is respectively installed in the air inlet pipe and the air outlet pipe, and the air inlet pipe is in external connection with an air source. A gap is arranged between the valve body and the rubber pipe, and a sealed air bag is formed. The pneumatic valve is simple and compact in structure, large in sealing area, convenient to operate, easy to install and maintain and long in service life, and has good practical value.

The present invention relates to a device for taking stones in the cavity of the urinary system, which is provided with a catheter and a guide wire. It is preformed into a strip-shaped pocket and the proximal side is open, and micropores are also arranged on the stone pocket. The device for removing stones in the urinary system cavity of the present invention can remove a large amount of broken stones, blood clots and pus at one time, without being limited by the inner diameter of the ureteral lumen or the inner diameter of the operation channel, the stone removal process will not miss the broken stones, and can effectively avoid broken stones. The stone is perfused back to the kidney by the water flow, and at the same time, it can prevent the stone from damaging the ureter wall, which is safe and reliable.

The invention relates to the technical field of card board and particularly relates to a foam card board and a preparation method of same. The foam card board includes, by weight, 100 parts of low-density polyethylene, 0.5-1.5 parts of butane, 0.5-1.5 parts of talcum powder, and 1-2 parts of glyceryl monostearate. Being different from wood card boards, the foam card board can pass customs freely,so that a limitation that the wood card board needs strict procedures during entrance and exit through the customs. Meanwhile, resource waste problem is solved by using plastic materials instead of wood and paper. The foam card board is light in weight, has functions of heat insulation, sound insulation, shock buffering and high specific strength. The foam card board also is anti-corrosion, insect-preventing, damp-proofing and mildew-proofing, is light in self weight, can be applied for long period at temperature of -70 to 130 DEG C without deformation, is high in mechanical performance, is high in bearing capacity, is easy to move during transportation, and is free of abrasion and damage during transportation of objects requiring high demands, so that the foam card board can protect the transported objects well.

The invention discloses a flat tube discharging device and belongs to the technical field of heat exchanger flat tube production equipment. The flat tube discharging device comprises a driving part, aknockout assembly and a middle connecting rod mechanism. The material beating assembly abuts against a flat tube to discharge the flat tube; one end of the middle connecting rod mechanism is in driving connection with the driving part, the other end of the middle connecting rod mechanism is connected with the knockout assembly, and the driving part drives the middle connecting rod mechanism to move so as to drive the knockout assembly to not make contact with the next flat tube after the knockout assembly discharges the flat tube and returns back to the original point. The flat tube discharging device has the beneficial effects that the middle connecting rod mechanism can drive the knockout assembly to move, so that the knockout assembly can be prevented from making contact with the nextflat tube in the process of returning to the original point, friction between the knockout assembly and the flat tube is avoided, and friction damage of the flat tube which is not discharged and the knockout assembly can be avoided at the same time.

The invention provides a power insulator convenient to install. The power insulator comprises a fixing unit, an adjusting unit and an executing unit, and can solve the problems that during the using process of an existing power insulator, and when being installed, the power insulator and a telegraph pole are not easy to fix and are easy to shake; the existing power insulator is not matched with the telegraph poles with various diameters during the installation process, so that the limitation during the use process is larger; the existing cables are mostly fixed on the power insulators in a winding manner, so that the tightness degrees of the wires between the adjacent telegraph poles is difficult to coordinate; the distance between the electric wires on the same electric power insulator cannot be adjusted, the positions of the adjacent wires cannot be adjusted according to the power of the transmitted cable, the fire disasters are easily caused, and the like.

The invention discloses a fast sorting device for battery pieces. The fast sorting device for battery pieces comprises a rotating bottom plate, wherein the rotating bottom plate is connected with a rotating assembly; four side edge sorting devices are respectively arranged on the surface of the rotating bottom plate in the cross direction and are matched to define and form a sorting region; a vibration table is arranged in the sorting region; and a surface position limiting assembly is also arranged on the rotating bottom plate, and can be used for limiting the positions of the battery piecesabove the vibration table. The fast sorting device for the battery pieces has the advantages that the battery pieces can be well sorted; the battery piece sorting speed is high; and the surface scratch damage rate and the fragment rate are low.