379 results about "Resistance wire" patented technology

The invention relates to the technical field of glass product production and processing equipment, and discloses an energy-saving glass bottle annealing device which comprises an annealing furnace body, an adjusting assembly is arranged in the annealing furnace body, an air cooling assembly is arranged in the annealing furnace body, and a circulating water pipe is installed in a main conveying belt. A nitrogen conveying pipe is installed in the annealing furnace body, a plurality of infrared heaters are arranged in the annealing furnace body, a plurality of heat insulation plates are installed in the annealing furnace body, and high-temperature resistance wires installed through insulation fixing blocks are arranged on the inner sides of the heat insulation plates. According to the invention, the position and spacing adjustment of the infrared heater is realized through the adjusting assembly, the air curtain isolation fan and the heat insulation gate cooperate to block heat dissipation, and meanwhile, the air cooling assembly, the circulating water pipe and the nitrogen conveying pipe are utilized to construct a multi-stage cooling system, so that the energy consumption of the device is reduced, and the annealing quality and the production efficiency of glass bottles are improved.

The utility model provides a kind of durability test testing machine of automobile sealing strip, it belongs to automobile sealing strip durability test technical field, it includes fixed frame and fixed plate, the top of the fixed frame is fixedly connected with fixed plate, the top of the fixed plate is fixedly connected with shelter frame.The utility model adds temperature table, semiconductor refrigeration piece cold end and electric heating tube by fixed plate, temperature table detects the temperature of the environment where the sealing strip to be tested is located, when it is needed to test sealing strip in low-temperature environment, semiconductor refrigeration piece cold end absorbs heat, when it is needed to test sealing strip in high-temperature environment, resistance wire inside electric heating tube continuously delivers heat to the inside of sealing strip via electrothermal effect, and then the test effect of testing machine is improved.

The utility model discloses a detection device for detecting the opening amount of a load box, and the device comprises a load box which comprises an upper supporting plate and a lower supporting plate, a hydraulic mechanism is disposed between the upper supporting plate and the lower supporting plate, and the hydraulic mechanism is used for driving the upper supporting plate and the lower supporting plate to be separated from each other in the vertical direction; the mounting pipe is arranged on the lower supporting plate, a slide rheostat is arranged in the mounting pipe and comprises a sliding piece and a resistance wire which are in contact with each other, the sliding piece is electrically connected with a display module through a first connecting wire and is fixedly arranged relative to the upper supporting plate, the resistance wire is connected with a power source through a second connecting wire, and the second connecting wire is arranged on the lower supporting plate; the power supply is electrically connected with the display module. The detection device for detecting the opening amount of the load box with the structure can detect whether the load box is normally opened or not in a self-balance test, can facilitate people to analyze the opening amount of the load box, and provides a guarantee for the accuracy of the self-balance test.

A safety early warning device for a hard hyperbaric oxygen chamber comprises elastic resistance wires arranged on the surface of a chamber body of the hard hyperbaric oxygen chamber; the pressure sensor is used for monitoring the pressure intensity in the chamber in real time and identifying the normal pressure state and the pressurization state of the hard hyperbaric oxygen chamber; the resistance monitoring circuit is connected with the elastic resistance wire and is used for detecting and collecting the resistance value of the elastic resistance wire in each state in real time; the signal processing circuit is connected with the pressure sensor and the resistance monitoring circuit, and is used for comparing the deviation value of the resistance value, judging that the cabin material has plastic deformation when the deviation value exceeds a preset threshold value, and receiving a pressure feedback signal of the pressure sensor; the emergency response equipment is connected with the signal processing circuit and used for receiving the monitoring result signal or the control signal of the signal processing circuit so as to carry out corresponding early warning operation, and the hard hyperbaric oxygen chamber and the safety early warning device thereof have the advantages of being safe, reliable and timely in response when the chamber body deforms plastically.

The utility model discloses a horizontal split box type high temperature furnace, which adopts a long-life ceramic heating body, a temperature control system adopts a PID (Proportion Integration Differentiation), a controllable module and a temperature sensor, the temperature sensor acquires the temperature of the furnace body in real time and feeds back the acquired temperature signal to the PID, and the PID changes the output signal according to the temperature change. An output signal of the PID is input into the controllable module, so that voltage is output and applied to a heating element ceramic heating body, a temperature control system forms a closed single circulation system, the temperature in the furnace can be accurately controlled, and the service life of the heating body is longer than that of a traditional resistance wire. The split box body structure is adopted, and the heating body is easy and convenient to replace. In addition, due to the adoption of the horizontal design, the requirements of transverse high-temperature loading equipment on the horizontal high-temperature furnace can be met.

The utility model relates to the technical field of master batch machines, and discloses a double-color master batch machine which comprises an installation shell, a control display panel is fixedly installed on the front face of the installation shell, two sets of fixed partition plates are fixedly installed on the inner wall of the installation shell, and annular holes are formed in the tops of the fixed partition plates. And two groups of supporting frames are fixedly mounted at the top of the mounting shell. A motor I is arranged to drive a pinion to rotate, so that a first bull gear and a second bull gear which are meshed with the pinion are driven to synchronously rotate, independent and synchronous rotation of two heating and stirring barrels is realized, and heating resistance wires are uniformly distributed on the outer walls of the heating and stirring barrels in a matched manner, so that rapid and uniform heating of raw materials is ensured; and the motor II forcefully stirs the raw materials through the stirring rod and the anchor type stirring rod, so that the raw materials are fully mixed, and the effects of improving the stirring efficiency and the quality uniformity of the master batch are achieved.

The invention discloses a conductive particle reinforced elastomer self-sensing driver which comprises a liquid crystal elastomer matrix and conductive particles, the conductive particles form a continuous or semi-continuous conductive network in the matrix, and the invention relates to the technical field of soft robot driving and intelligent materials. According to the conductive particle reinforced elastomer self-sensing driver and the preparation method thereof, the conductive particles serve as a heating element and a sensing element at the same time, an external temperature sensor or displacement sensor is not needed, the system structure is greatly simplified, resistance feedback directly corresponds to a deformation state, heat conduction delay is bypassed, and intelligent compensation is conducted in combination with a neural network. The conductive particles are uniformly distributed, the local hot spot problem of the resistance wire is avoided, the conductive particles and the LCE substrate are physically / chemically combined, no mechanical interface exists, compared with an embedded metal wire, the conductive particles have relatively small influence on the rigidity of the LCE, excellent flexibility is kept, and the LCE is suitable for the face of an expression robot and other applications needing to be attached to the skin.

This invention relates to the field of carbon nanotube preparation equipment technology, and particularly to a gas heating device, a fluidized bed reactor, and a method for preparing carbon nanotubes. The gas heating device includes a heating tube through which a carrier gas flows, and a heating component for heating the carrier gas is fitted over the heating tube. This invention provides a fluidized bed reactor with a reasonable overall structure, convenient installation, and good practicality and potential for large-scale promotion. Specifically, this invention uses electromagnetic induction to uniformly heat the entire heating tube, thereby rapidly and stably heating the carrier gas to a set temperature, ensuring a uniform temperature field distribution within the reaction chamber, and effectively improving the consistency of carbon nanotube growth and product quality. Furthermore, by eliminating traditional resistance wire heating, problems such as high-temperature aging and burnout of the resistance wire are avoided. The equipment has no easily damaged parts, resulting in a low failure rate, reduced maintenance costs, and a significantly extended service life.

The invention discloses ultrahigh-hardness and high-purity stainless steel forging equipment and process, and relates to the field of stainless steel forging.The ultrahigh-hardness and high-purity stainless steel forging equipment comprises a heating furnace and a rotary supporting seat, a first roller conveying belt and a second roller conveying belt are installed on the two sides of the heating furnace correspondingly, and a first door assembly is installed on one side of the heating furnace; a second door assembly is mounted on the other side of the heating furnace; the top of the rotary supporting base is rotationally connected with a cooling station, a hydraulic lifting rod is installed in the center of the top of the rotary supporting base, and an electric chuck is installed at the other end of the hydraulic lifting rod. According to the ultrahigh-hardness high-purity stainless steel forging equipment and process, the temperature control and cooling process is optimized, and the final mechanical property of a product is ensured. The heating resistance wire is accurately controlled through the mechanical thermostat, the heating temperature is stabilized within the accurate range of 1000 + / -20 DEG C, the heat preservation time is set according to the thickness of a workpiece, and reliable guarantee is provided for the austenitizing process.

The utility model relates to a kind of high sealing resistance resistance wire type high voltage liquid heater of electric heating rod rear plug-in type, its characteristics are: in the front end left and right positions of modified shell, cylindrical water inlet and cylindrical water outlet are respectively provided;Electric heating rod welding integrated component includes two electric heating rod bodies and shell rear end cover, it is inserted and assembled from back to front with modified shell, the front end of two electric heating rod bodies is respectively wrapped with a rubber support sleeve, the front end of two rubber support sleeves is all in contact with the front end inner wall surface of modified shell and is pressed tightly;Shell rear end cover is press-fitted and fixed in shell rear end cover mounting port;Modified water inlet end cover and modified water outlet end cover are respectively inserted and sealed with the water inlet and water outlet of modified shell through the rear cylindrical sealing portion of each;The conductor lead of electric heating rod welding integrated component is inserted and assembled with the pin hole part of modified electric control board, and is welded in the outer ring of insertion part connection.This heater facilitates assembly, improves sealing.

The invention discloses a road compaction quality detection device, relates to the field of detection devices, and aims to solve the problems that detection is performed by mounting detection pieces on multiple groups of rollers, but the structures of the rollers are fixed structures, and multiple groups of detection units arranged on the rollers are located at the same height, so that a road on which the current rollers run cannot be accurately measured; the telescopic end of the electric push cylinder is connected with the mounting frame, so that the distance between the outer sleeve and the ground is controlled, the outer sleeve is attached to the ground, the ground extrudes the outer touch probe, the bottom end of the induction probe makes contact with the telescopic outer touch probe, telescopic movement is conducted, and under the cooperation of a resistance wire on the sliding column and a sliding piece, the electric push cylinder is driven to rotate. The display screen on the control panel displays different coefficient changes according to the advancing route of the slip sheet, so that the detection condition of the current road surface is recorded, and compared with the prior art, the real condition of the advancing route of each group of jackets can be clearly known through the arrangement of the multiple groups of external touch probes on the jackets.

The utility model provides a kind of plastic coating device for variable thick color steel plate, belong to color steel plate plastic coating technical field, including fixed plate and servo screw rod, the top of fixed plate is fixedly connected with servo screw rod, the output end of two servo screw rods is fixedly connected with permanent magnet, the top of fixed plate is fixedly connected with fixed frame, the top of fixed frame is penetratedly connected with electric telescopic rod, the tail end of electric telescopic rod is fixedly connected with scratch piece.The utility model is through the air exchange fan and electric heating tube of shielding shell setting, when servo screw rod drives color steel plate to move to the inboard of shielding shell, air exchange fan promotes the air flow rate inboard of shielding shell, electric resistance wire in electric heating tube is via electric heating effect, color steel plate is dried, and then the efficiency of color steel plate plastic coating is improved.

The embodiment of the invention discloses a power failure protection system for a charging pile, and the system comprises a system power module which is used for connecting a power grid and providing a DC output current; the whole pile control panel is used for executing key tasks of the charging pile; the super capacitor is connected to the output side of the system power supply module in parallel through a low-internal-resistance wire; the controller is electrically connected with the super capacitor and the whole pile control panel; wherein the controller is configured to control the system power supply module to charge the super capacitor when a power grid normally supplies power; when the power failure of the power grid is detected, controlling the super capacitor to discharge to the whole pile control panel so as to maintain the operation of the whole pile control panel; and during the discharging period of the super capacitor, according to a preset task priority strategy, the whole pile control panel is controlled to execute a key task.

The application discloses an antenna combiner, comprising: a plurality of high-frequency resonators, the plurality of high-frequency resonators are arranged side by side along a first direction, each resonator extends along a second direction, and comprises a high-resistance wire and a low-resistance wire distributed along the second direction, wherein the high-resistance wire of two high-frequency resonators has a mounting hole; a flying rod assembly, comprising a capacitive flying rod and a heat shrink sleeve, the capacitive flying rod has two flying rod pins, the two flying rod pins of the capacitive flying rod are sleeved with the heat shrink sleeves respectively, and the two flying rod pins of the flying rod assembly are respectively inserted into the mounting holes on the two high-resistance wires; a flying rod support, the flying rod support is fixed on the high-resistance wire between the two high-resistance wires with the mounting holes, and the capacitive flying rod is supported on the flying rod support. The application adopts the mode of the heat shrink sleeve and the flying rod support to replace the mode of the originally adopted supporting gasket and flying rod sheet, improves the overall stability of the antenna combiner, and greatly simplifies the installation steps and processing difficulty.

This invention discloses an automated processing line for bending and forming aluminum alloy crash beams, comprising a feeding device and a bending and forming device. A feeding conveyor belt transports hollow aluminum alloy profiles through an open opening to a profile support in a heating chamber. Each set of heating resistance wires, driven by a corresponding resistance wire drive cylinder, is inserted into the hollow aluminum alloy profile to heat it. The transfer assembly transports the heated hollow aluminum alloy profile to the bending and forming device. The bending and forming device bends the hollow aluminum alloy profile into an aluminum alloy crash beam. The feeding device not only automatically feeds the profile to the bending and forming device but also efficiently preheats the hollow aluminum alloy profile, thereby improving its plasticity, significantly reducing the bending difficulty of the profile, improving processing accuracy, and ultimately greatly increasing the yield rate of the aluminum alloy crash beams.

The invention relates to the technical field of fuel oil leakage, in particular to fuel oil leakage detection equipment based on multi-source induction, which comprises a cement pool and a supporting block, the supporting block is arranged in the cement pool, an oil storage tank is arranged on the supporting block, an alarm assembly is arranged on the cement pool, a detection mechanism is arranged on the oil storage tank, and an oil tank cover is arranged in the detection mechanism. A prefabricated hole is formed in the oil tank cover, a connecting assembly is arranged on the oil tank cover, a connecting cable is arranged in the connecting assembly, a cable core is arranged in the connecting cable, a connecting sleeve is arranged at one end of the connecting cable, a connecting screw is arranged on the connecting sleeve, a threaded sleeve is arranged on the connecting screw, a connecting end is arranged at one end of the connecting screw, and a connecting wire is arranged on the connecting end. A detection assembly is arranged at the bottom end of the connecting cable, an induction resistance wire is arranged in the detection assembly, an elastic sleeve is arranged in the induction resistance wire, a detection head is arranged in the middle of the elastic sleeve, a positioning mechanism is arranged on the oil storage tank, and a first clamping ring is arranged in the positioning mechanism.

The invention relates to the technical field of electrofusion joints, in particular to a polyethylene pipeline electrofusion welding joint. The connector comprises a main body, two connectors are symmetrically installed at the two ends of the main body, and a positive electrode and a negative electrode are arranged in the connectors respectively. An annular groove is formed in the inner side of the main body, a welding sleeve made of a polyethylene material is clamped in the groove, and a convex ring protruding inwards is arranged in the center of the inner wall of the welding sleeve; a resistance wire which is spirally distributed is coaxially laid in the welding sleeve, and the resistance wire is embedded in the sleeve wall of the welding sleeve; connecting wires are led out of the two ends of the resistance wire towards the outside of the welding sleeve in the same direction and are respectively connected with the positive electrode and the negative electrode; a plurality of heat-resistant insulating rods which are uniformly arranged at intervals are also embedded in the welding sleeve, extend in the axial direction of the resistance wire and are fixedly connected with the outer side surface of each circle of the resistance wire; the section of the resistance wire is rectangular, and the inner side face of the resistance wire is parallel to the inner side face of the welding sleeve. The heating device is uniform in heating.

The invention discloses an electrode device and method for measuring space charges through pressure-electric field-temperature coupling, and the device comprises an upper electrode structure which comprises an upper connecting plate, a conductive bolt, cylindrical ceramic, and an upper electrode terminal; the bottom of the conductive bolt is fixedly connected with the upper connecting plate, and the top of the conductive bolt is provided with radial scales and can be in contact with a fixed surface of an external calibration platform through thread feeding; the lower electrode structure comprises a lower connecting plate, plate-shaped ceramic and a lower electrode terminal; the lower electrode terminal comprises a heating resistance wire; two ends of the high-voltage pulse unit are respectively connected to the upper and lower electrode terminals; the signal collecting and converting unit is connected with the lower electrode terminal; a to-be-tested sample is clamped between the cylindrical ceramic and the plate-shaped ceramic; the upper and lower connecting plates apply stress to a to-be-tested sample through engagement of connecting bolts; and a pressure sensor is arranged between each connecting bolt and the upper connecting plate. The device has the functions of pressure regulation and control and real-time measurement of the thickness of the sample, and can more accurately measure the space charge in the insulating material of the cable accessory.

A multi-branch electrofusion joint for connecting three pipe sections, said multi-branch electrofusion joint comprising a frame comprising three ends each arranged to connect three pipe sections, and three electrofusion branches, said three electrofusion branches each connected to the three ends and comprising a locking system, an inner bushing and an outer bushing wherein said inner bushing includes a resistance wire and a thermoplastic material, said locking system being mechanically arranged to fasten the outer bushing to the inner bushing, and wherein said resistance wire can be connected to an electrical power source to melt a surface of the inner bushing.

An analytical device 10 comprising a sample reception zone 130, a fluid storage chamber 120 in fluid communication with the sample reception zone, an analysis zone 150 in fluid communication with the sample reception zone and a drive arrangement 200 which when activated is configured to drive fluid stored in the fluid storage chamber so that it passes through the sample reception zone to the analysis zone. The drive arrangement may be the displacement of gas from the sample reception zone by the insertion of a sample, ideally on a swab. Alternatively, the drive arrangement is a pre-compressed elastic element such as a spring-loaded plunger or a gas generated by the reaction of a stored reactive fluid contacting a reactive element. The device may comprise fluid control elements or valves comprising a breakable or rupturable seal which has a resistive wire running through such that the application of a current causes the seal to melt or shrink. The analysis zone may comprise multiple analysis chambers in parallel, each having a vent which ensure that a sample is equally divided between the chambers. [Use fig 1]

An electric heating device for realizing post-weld heat treatment of a pipe butt weld seam, comprising: a main body electric heating structure, an end electric heating structure and an electric resistance wire; the main body electric heating structure is spliced by a plurality of first electric heating rings and a plurality of second electric heating rings, the first electric heating rings and the second electric heating rings are the same in number and are arranged alternately in sequence; the end electric heating structure is a third electric heating ring; wherein the main body electric heating structure and the end electric heating structure are connected in series through the electric resistance wire, and can form an openable and closable 360 degree wrapping around the pipe weld seam area to be heated. The present application is convenient and fast to install and can heat the pipe butt weld seam area uniformly, with obvious advantages.

The invention belongs to the technical field of hand dryers, and discloses an intelligent lifting type water circulation hand dryer. The intelligent sensing system is used for accurately detecting the height of the hand of a user, and the memory alloy lifting mechanism is controlled to drive the hand dryer body to automatically ascend and descend to the adaptive position matched with the hand of the user. And water resources discharged in the blow-drying process are collected, the discharged water is purified through the filtering circulating system, and then the purified water is stored in the liquid storage tank. The system takes water from the liquid storage tank, needed hot water or cold water is obtained through heating or temperature control treatment and conveyed into the liquid reaction cavity of the lifting mechanism, and the memory alloy is driven to stretch out and draw back so as to drive lifting motion. The hand dryer integrates a detection system, a hand dryer body, a lifting mechanism, a water collecting device, a filtering system, a liquid storage tank, a heating control device and other modules. Wherein the outer surface of the resistance wire adopts a flexible metal hose design, so that the heat transfer efficiency is improved and the dust accumulation influence is reduced.

The invention relates to the technical field of electronic component production, in particular to a resistor winding machine for an electronic component. An unwinding mechanism and a clamping and rotating mechanism are mounted above the machine table; a winding frame is connected to the upper portion of the machine table in a sliding mode through a transverse moving assembly, a welding mechanism is connected to the inner side of the winding frame in a sliding mode, a wire guiding assembly is installed in front of the winding frame, and a shearing mechanism used for cutting off wound wires is further installed on the wire guiding assembly. When winding of a resistor is completed, a welding mechanism is used for welding and fusing a winding wire, and after finished product processing is completed, a shearing mechanism is used for cutting off the end part of the winding wire so as to cut off the fused part, so that the problem that a welding spot is unstable during subsequent welding due to factors such as oxidation, burning and deformation of the fused end point can be avoided; therefore, the problem of welding spot quality fluctuation caused by poor winding endpoint state is effectively solved.

The utility model relates to the technical field of combustion tower discloses a high -efficient heating's resistance heating wire combustion tower, including the tower body, the first baffle is fixedly arranged in the tower body, the inner chamber is fixedly arranged in the upper end of tower body, the air inlet is fixedly arranged in the inner chamber upper end, the second baffle is fixedly arranged in the inner chamber, and the connecting pipe is fixedly arranged in the lower end of one side of inner chamber. In the utility model, the gas enters the inner chamber through the air inlet, and forms the cyclone again under the action of helical second baffle in the inner chamber, prolongs the gas residence time, promotes the incomplete combustion pollutant to continue oxidizing decomposition in the residual high temperature environment, ensures the complete purification, the first baffle and second baffle all adopt the spiral structure, can effectively prolong the gas residence time, improves the combustion fullness and decomposition rate, simultaneously, makes the gas fully use the heat, reduces the energy waste, and secondary purification does not need the additional energy consumption, reduces the energy consumption.

The utility model belongs to the technical field of heat-shrinkable tube extruders, and particularly relates to a heat-shrinkable tube extruder capable of being cooled, which comprises a fixing frame, a raw material heating and melting box is fixedly mounted at the top of the fixing frame, a blanking pipe is fixedly mounted at the bottom of the raw material heating and melting box, an extrusion cylinder is fixedly mounted at the bottom of the blanking pipe, and the extrusion cylinder is fixedly mounted at the bottom of the blanking pipe. A heat-shrinkable sleeve shaping pipeline is fixedly installed on one side of the extrusion cylinder, a cooling box is fixedly installed on the top of the fixing frame, a motor is fixedly installed on the front side of the cooling box, raw materials are put into the inner side of the raw material heating and melting box, and a heating resistance wire is controlled to heat the raw materials; the heated and liquefied raw materials can enter the inner side of the extrusion barrel through the discharging pipe, the movable shaft can drive the rotating shaft and the extrusion auger to rotate through the transmission gear, and the extrusion auger can extrude the raw materials and can be matched with the heat-shrinkable sleeve shaping pipeline to shape and extrude the heat-shrinkable sleeve.

The utility model belongs to the technical field of rubberizing devices, and particularly relates to a plastic part rubberizing device which comprises a base and a winding assembly, a first conveying belt and a second conveying belt are arranged at the top end of the base, the winding assembly is fixedly connected to the top end of the base, and an unwinding assembly is arranged in the middle of the top end of the base. The winding assembly and the unwinding assembly are both arranged above the first conveying belt, and an attaching assembly is arranged at the top end of the base. According to the double-faced adhesive tape laminating machine, the plastic part subjected to adhesive tape laminating penetrates through the position between the laminating assembly and the second conveying belt, the flexible rotating roller is pressed at the top end of the second conveying belt, and the bottom, in contact with the second conveying belt, of the flexible rotating roller is deformed into a plane shape, so that the contact area with the double-faced adhesive tape is increased; the edge of the flexible rotating roller is heated, certain pressure can be generated on the plastic part, the double-faced adhesive tape can be heated, the viscidity of the double-faced adhesive tape is improved, and the double-faced adhesive tape and the plastic part can be pasted more tightly.

The utility model relates to a full-automatic foamed plastic numerical control cutting and waste gas collecting, adsorbing and filtering device for a laboratory, which comprises a support, an operating platform arranged at the top end of the support, a guide rail slidably connected to the top end of the operating platform, a supporting rod fixedly connected to the top end of the guide rail, and a waste gas cover erected at one end of the top of the supporting rod. A resistance wire is fixedly connected between the operation platform and the support, the waste gas cover is arranged at the top end of the resistance wire, the lower end of the guide rail is fixedly connected with a resistance wire heating device and connected to a controller, and a motor is arranged at the inner bottom end of the support. The motor is in synchronous transmission with the guide rail and is electrically connected with the controller, and the supporting rod is covered with a shell. The full-automatic foamed plastic numerical control cutting and waste gas collecting, adsorbing and filtering device for the laboratory has the advantages that universality is improved, operation is easy, cutting precision is improved, and harmful gas is reduced.

The utility model relates to the technical field of rust removal equipment, in particular to rust removal equipment for iron nail processing, which comprises a base, a disc is rotatably arranged on the base, four groups of cylinders are uniformly distributed on the disc, a heating resistance wire is arranged on the inner wall of each cylinder, and the heating resistance wire is arranged on the outer wall of each cylinder. The device comprises a base, two sets of electric telescopic columns are fixedly mounted on the base, a transverse plate is fixedly mounted at the ends of output shafts of the two sets of electric telescopic columns, a mounting plate is fixedly mounted in the middle of the transverse plate, a stirring motor is fixedly mounted at the top of the mounting plate, and a rotating disc is rotatably arranged at the bottom of the mounting plate; according to the rust removal equipment for iron nail machining, the rust removal effect on the iron nails can be enhanced, the rust-removed iron nails can be cleaned and dried, the process conversion time is saved, the cleanliness and the drying state of the treated iron nails are guaranteed, the iron nail machining efficiency is effectively improved, and practicability is high.

The invention relates to the field of overhauling supports, in particular to a titanium sponge reduction distillation furnace resistance wire overhauling device which comprises an annular hanging bracket, an annular hanging bracket, a supporting rod, a supporting rod and a supporting rod. The outer diameter of the annular hanging bracket is larger than the furnace opening diameter of a titanium sponge reduction distillation furnace; each vertical telescopic support comprises a plurality of telescopic sections, the tail sections of the telescopic sections are connected with the edge of the inner diameter of the annular hanging bracket, and the vertical telescopic supports are annularly distributed; and each annular pedal is fixedly connected with the corresponding telescopic section. The device adopts a telescopic design, does not occupy space when being placed, can be automatically unfolded in a reduction furnace when being used, and can greatly improve the overhaul and replacement efficiency of the resistance wire in the reduction distillation furnace.

This invention discloses a method for preparing an electrofusion sealing tube and the electrofusion sealing tube itself, belonging to the field of pipeline connection technology. The preparation method includes: preparing an inner tube blank with axial and circumferential reinforcing ribs on the outer wall, the reinforcing ribs intersecting to form nodes; winding a resistance wire on the outer wall of the inner tube blank, spanning the nodes, and controlling the tension and fitting gap using a tension sensor and a laser displacement sensor; injecting a second fluoropolymer with a lower melting point to form an inner positioning layer to fix the resistance wire; machining an annular sealing groove on the outer wall of the inner positioning layer and embedding an elastic sealing ring with a cross-sectional diameter greater than the groove depth; winding continuous reinforcing fibers around the sealing ring to form a circumferential winding layer, applying radial preload to the sealing ring; injecting a third fluoropolymer with an even lower melting point to form an outer layer and fill the gaps between the fiber bundles; and cooling and inspection. This invention achieves long-term reliable sealing under high-pressure alternating and vibration conditions through the synergistic effect of precise positioning of the resistance wire, preload of the elastic sealing ring, and the fiber reinforcement layer, significantly improving axial pull-out resistance.