783 results about "Conical tube" patented technology

The invention relates to a gas recovery well downhole multistage gas flow self-adaption cyclone separation device which comprises a degassing structure and a deposition reinjection structure, the degassing structure comprises a first-stage gas-liquid separation module, and the first-stage gas-liquid separation module comprises a gas-liquid inlet outer pipe, an upper gas pipe, a gas return spiral flow channel, a vent pipe, an upper liquid gathering conical pipe and a gas return liquid conveying conical pipe; an upper air guide pipe is arranged on the upper portion of the air return spiral flow channel, an air return conical cavity is formed in the air return spiral flow channel, the upper air guide pipe is communicated with the air return conical cavity, a lower port of the air return conical cavity is in butt joint with an air return infusion conical pipe, and the upper air pipe penetrates out of the upper air guide pipe. An annular space between the vent pipe and the upper air pipe and an annular space between the upper air guide pipe and the upper air pipe form an upper air channel; the upper liquid gathering conical pipe surrounds the outside of the air returning and liquid conveying conical pipe; the deposition reinjection structure comprises a lower spiral flow channel, a lower liquid gathering conical pipe, an inverted cone and a centrifugal pump. The coalescence reinjection technology and the rotational flow technology are combined, the efficiency is high, and the service life is long.

The invention relates to the field of pipeline welding. The invention discloses a pipeline welding robot, and aims to solve the problems that a small-diameter pipe, a large-diameter pipe and a conical pipe are not located on the same axis during splicing operation, so that deviation occurs in the welding process, and when a plurality of clamps are used for clamping a pipeline, when the pipeline is subjected to preheating treatment during welding, the pipeline cannot be damaged, and the welding efficiency is greatly improved. And the butt joint time is influenced when mutual rapid butt joint needs to be carried out, so that butt joint is carried out after pretreatment, and the welding part of the pipeline is influenced. The driving rod rotates to synchronously control the two expansion clamps to clamp a small-diameter pipe and a large-diameter pipe, it can be ensured that the axes of the two pipes are located on the same straight line and are consistent with the axis of the driving rod, and the problem of misalignment or eccentricity of the pipes is avoided.

The invention relates to the technical field of flange machining, in particular to a positioning tool based on variable-diameter flange machining. The concentric locking unit is arranged on the inner side of the machining frame and connected with the machining frame; the self-adaptive welding unit is arranged on the outer side of the concentric locking unit and connected with the machining frame; wherein the concentric locking unit comprises a rotary positioning assembly, a clamping and limiting assembly, a synchronous energy supply assembly and an automatic rotating assembly, the concentric locking unit is arranged and matched with the self-adaptive welding unit, locking and limiting of the small flange, the conical pipe and the large flange can be completed at a time, the small flange, the conical pipe and the large flange are concentric, and the automatic rotating assembly is arranged. And the small flange is tightly connected with the conical pipe, and the large flange is tightly connected with the conical pipe, so that the small flange, the conical pipe and the large flange synchronously rotate, and welding of the small flange and the conical pipe and welding of the large flange and the conical pipe are completed at a time.

The utility model discloses a high-altitude construction waste conveying device which comprises a conical barrel, a fixing assembly, a chain, a dustproof assembly, a first buffering assembly, a second buffering assembly and a supporting assembly, the fixing assembly is arranged outside the conical barrel, the chain is arranged on the fixing assembly, and the dustproof assembly is arranged on the supporting assembly. The dustproof assembly comprises a fixing ring bonded to the inner wall of the conical barrel, dustproof cloth arranged on the inner side of the fixing ring, a cavity formed in the dustproof cloth and an elastic band arranged in the cavity, and the first buffer assembly comprises a fixing rod arranged on the inner side of the conical barrel, a spring arranged on the top of the fixing rod and an ejector rod arranged on the top of the spring; the second buffering assembly is arranged on the inner side of the conical barrel, and the supporting assembly is arranged on the conical barrel. Falling construction waste can be buffered through the first buffering assembly and the second buffering assembly, the situation that the conical barrel is smashed by large construction waste due to large kinetic energy is avoided, then the dustproof effect is achieved through the dustproof assembly, and use is convenient.

The invention discloses a cut-off die for an air outlet taper pipe shell of an automobile engine exhaust system, and relates to the technical field of stamping machining of automobile parts, the cut-off die comprises a supporting unit, a connecting piece, an upper die unit, an upper die assembly arranged at the top of the connecting piece, and a stamping assembly arranged in the upper die assembly. Through the integrated operation of material conveying, punch forming, edge cutting-off and automatic discharging, the limitation that a traditional punching technology is multiple in working procedure and prone to errors is broken through, the production period is greatly shortened, the production efficiency is improved, the device can efficiently conduct batch production, the time for equipment shutdown adjustment is shortened, through cooperation of the punching assembly and the bearing assembly, the production efficiency is improved, and the production cost is reduced. And through precise control of the hydraulic cylinder, the workpiece wrinkling phenomenon is effectively avoided, and it is guaranteed that the surface of the punched conical pipe is smooth, and the size precision is high.

The invention discloses a combined bending protection device based on dynamic design, and relates to the technical field of submarine cable protection. Oyster reefs are arranged around the protection device, the protection device comprises a J-shaped pipe, a center clamp, a conical pipe and a bending limiter which are sequentially connected, one end of the center clamp is connected with the J-shaped pipe, and the other end of the center clamp is connected with the bending limiter through the conical pipe. The bending limiter comprises a plurality of bending limiting units connected in sequence, each bending limiting unit comprises two bending limiting single bodies, one side of each bending limiting single body is provided with a rotating protruding block, the other side of each bending limiting single body is provided with a rotating groove, and the rotating protruding blocks are rotationally connected with the rotating grooves. Through cooperation of the J-shaped pipe, the conical pipe and the bending limiting device, the stress concentration problem can be effectively relieved, the protection performance of the submarine cable in a complex dynamic environment is enhanced, the construction efficiency is remarkably improved through cooperation of the rotating protruding block and the rotating groove, meanwhile, the submarine cable can be prevented from being scoured through cooperation of the protection device and the oyster reef, and the service life of the submarine cable is prolonged. The method has good protective property and ecological property, and can generate economic benefits.

The invention discloses a sealing ring inner diameter detection device and an inner diameter detection method thereof.The sealing ring inner diameter detection device comprises an outer taper pipe and a guide pipe, the guide pipe and one end of the outer taper pipe can be connected in an inserted mode, the outer circumferential face of the guide pipe is movably sleeved with a push pipe, the outer taper pipe is a pipe with the diameter gradually changing from small to large, and when the guide pipe and the outer taper pipe are connected in an inserted mode, the push pipe is inserted into the guide pipe. The small-caliber end of the outer taper pipe is arranged in the push pipe, scales are arranged on one side of the outer taper pipe side by side, and the outer taper pipe is sleeved with a sealing ring. The device is simple in structure and convenient to operate, can quickly and accurately measure the inner diameter of the rotary Glyd ring, and can detect the roundness, elasticity, wear degree, hardness and other performances of the rotary Glyd ring at the same time.

The invention discloses a chemical valve inner leakage detection device which comprises a base, and fixed detection pipes are symmetrically arranged at the tops of the two sides of the base. When the arranged manual adjusting mechanism drives the movable detection pipes on the two sides to be far away from each other, the movable detection pipes drive the conical pipe to move out of the valve connecting pipe, then the valve body can be disassembled, and when the valve body to be detected needs to be installed, the valve body is moved to the position between the movable detection pipes, so that the detection efficiency is improved. The manual adjusting mechanism drives the movable detection pipes on the two sides to get close to each other, the movable detection pipes drive the conical pipe to be inserted into the valve connecting pipe, when the conical pipe tightly abuts against the valve connecting pipe, connection between the conical pipe and the valve connecting pipe is sealed through the rubber sleeve, and installation of the valve to be detected can be completed. The internal leakage of the valve is detected through the existing detection technology, the valve to be detected can be quickly assembled through the detection device, and the working efficiency of the detection device is effectively improved.

The utility model discloses a two-way sealing butterfly valve which comprises a sealing butterfly valve body, flange plates are fixedly connected to the two ends of the sealing butterfly valve body, a plurality of bolts penetrate through the outer sides of the flange plates, rubber rings are fixedly connected to the inner rings of the flange plates, and a limiting block is fixedly connected to one side of the middle of the interior of the sealing butterfly valve body. A limiting block is arranged on the outer side of the flow limiting plate, a limiting groove is formed in the outer side of the flow limiting plate and matched with the limiting block in a clamped mode, a flow limiting hole is formed in the flow limiting plate, a circulating hole is formed in the outer side of the middle of the flow limiting plate, and a conical pipe is arranged in the flow limiting hole in a sleeved mode. The sealing butterfly valve and the rubber ring are arranged, the sealing butterfly valve is connected with the pipeline, the rubber ring needs to be inserted into the pipeline in the connecting process, the sealing abutting effect is achieved, then the outer side of the rubber ring is sleeved with the sealing ring, and the sealing effect can be enhanced in the pipeline connecting process.

The invention relates to the technical field of sediment sampling, and discloses a riverway water environment treatment lifting device which comprises a fixing frame, sliding rails are arranged in the top end and the bottom end of the fixing frame, sampling assemblies used for collecting sediment are arranged in the sliding rails, each sampling assembly comprises a bottom supporting column, the bottom supporting columns are slidably connected with the sliding rails, and the bottom supporting columns are connected with the sliding rails. The river channel water environment treatment lifting device comprises a bottom supporting column, a supporting rod is fixed to the top of the bottom supporting column, a sampling barrel is fixed to the top of the supporting rod, and connecting blocks are fixed to the surfaces of the two sides of the sampling barrel. Water flow is limited through the appearance of the conical pipe, so that the water body shunted by the filter screen is converged again, and a certain flow speed is maintained to carry silt into the sampling barrel, so that the silt sampling accuracy is improved, and the water environment treatment efficiency is effectively improved.

The invention provides a deep shaft composite supporting system which comprises a shaft side shaping device which is movably arranged in the height direction of a shaft and used for constructing the shaft wall of the shaft into a preset conical shaft side structure, and the conical shaft side structure comprises a plurality of conical bearing ring structures; the conical bearing ring structures are adjacently arranged in the height direction of the vertical shaft; the primary supporting structure comprises a plurality of conical segment rings, the conical segment rings are arranged at intervals in the height direction of the vertical shaft, the conical segment rings and the conical bearing ring structures are arranged in a one-to-one correspondence mode, all the conical segment rings are located in the corresponding conical bearing ring structures, and the outer walls of the conical segment rings abut against the inner walls of the corresponding conical bearing ring structures; therefore, the conical bearing ring structures bear the corresponding conical segment rings. The problem that in the prior art, supporting operation directly affects the overall construction efficiency of the vertical shaft heading machine, and consequently the construction efficiency is low is solved.

The application relates to the technical field of sediment sampling, and discloses a river water environment treatment and improvement device, which comprises a fixing frame, the inside of the top end and the bottom end of the fixing frame is provided with a sliding rail, the inside of the sliding rail is provided with a sampling assembly for collecting sediment, the sampling assembly comprises a bottom support column, the bottom support column is in sliding connection with the sliding rail, the top of the bottom support column is fixed with a supporting rod, the top of the supporting rod is fixed with a sampling cylinder, the surfaces on the two sides of the sampling cylinder are fixed with connecting blocks, the river water environment treatment and improvement device can intercept garbage and sundries in the sediment in the water body through a filter screen, the probability of garbage entering the inside of the sampling cylinder is reduced, the water flow is limited through the conical pipe shape, the water body shunted by the filter screen can be recombined, a certain flow rate can be maintained to wrap the sediment and enter the inside of the sampling cylinder, the precision of sampling sediment is improved, and the efficiency of water environment treatment is effectively improved.

The invention relates to equipment and a method for preparing nano powder through microwave plasma. Comprising a conductor tube, the conductor tube comprises a quartz tube and a powder feeding tube arranged in the quartz tube, the quartz tube vertically penetrates through a plasma conveying pipeline, the two ends of the quartz tube are open, a gas channel is formed in the interval between the powder feeding tube and the quartz tube, and the powder feeding tube comprises a powder feeding layer, a liquid inlet layer and a liquid outlet layer which are sequentially arranged from the center to the outside; the liquid inlet layer and the liquid outlet layer are communicated at the position close to the bottom of the powder feeding pipe; the vaporizing chamber is arranged below the quartz tube, the lower end of the quartz tube and the lower end of the powder feeding tube are both located in the vaporizing chamber, the vaporizing chamber comprises a reaction chamber and a first liquid cooling layer which are sequentially arranged from inside to outside, and the reaction chamber comprises a first conical tube, a first round tube, a second conical tube and a second round tube which are sequentially connected from top to bottom. By designing the powder feeding pipe of the three-layer structure, the vaporizing chamber of the first-expansion and second-aggregation structure and the quenching chamber comprising the delay layer, the second liquid cooling layer and the gas cooling layer, the powder manufacturing efficiency can be improved.

The invention is suitable for the technical field of tapered-straight composite shell ring processing, and provides a processing method of an integrated tapered-straight composite shell ring, which comprises the following steps: S1, cutting and blanking a steel plate according to the size of the tapered-straight composite shell ring, and cutting out a plate material; s2, preparation work before machining is conducted on the plate material, wherein the preparation work at least comprises groove machining, two-side edge pre-bending and generatrix, symmetric center line and step line drawing; s3, according to the drawn step line, pressing forming is conducted on the plate through a top pressing type plate bending machine, and a formed workpiece is of a composite structure of a semi-cylindrical pipe section and a semi-conical pipe section; s4, the formed workpiece is shaped; and S5, the two shaped workpieces are folded and welded, and the conical and straight composite shell ring is formed. Therefore, not only is the specific process problem of the integrated cone-straight composite shell ring in the bending forming process solved, but also the core advantages of no annular weld joint, high continuity and high performance pursued by the integrated design are achieved by guaranteeing the manufacturing precision and consistency of the integrated cone-straight composite shell ring.

The invention discloses an exfoliated cell sticking and sampling device which comprises a sampler, the sampler comprises a shell, a conical tube and a storage tube, the conical tube is fixedly mounted at the bottom of the shell and communicated with the shell, the storage tube is fixedly mounted on the surface of the conical tube and communicated with the conical tube, and the storage tube is obliquely arranged. The invention aims to solve the technical problems that in the process of sampling cast-off cells by an existing cast-off cell sticking and sampling device, manual sticking is needed, so that the labor intensity of a user is high, the sticking efficiency is low, the situation that a sampling result cannot meet the requirement easily occurs, and a sticking structure is difficult to feed efficiently.

The utility model discloses a novel ultrasonic plug-removing and injection-increasing device and relates to the technical field of oil extraction. A piezoelectric ceramic tube is installed in the protection tube, an inner hole of the protection tube is a conical hole with the diameter of the lower portion becoming larger, the piezoelectric ceramic tube is of a conical tube structure, the taper of the piezoelectric ceramic tube is the same as that of the protection tube, the upper end face of the lower connector abuts against the bottom face of the piezoelectric ceramic tube, and the lower connector does not make contact with the transverse end face of the protection tube. The utility model has the beneficial effects that the inner hole of the protective tube and the piezoelectric ceramic tube are made into a conical structure, the piezoelectric ceramic tube is assembled into the protective tube from the lower part, and when the lower joint is in threaded connection with the protective tube, the piezoelectric ceramic tube is moved upwards; the piezoelectric ceramic tube and the protection tube are tightly matched together, the transmission efficiency of ultrasonic waves is improved, and the blocking removal and injection increasing effects are improved.

The present invention discloses a neonatal atomizer device, which relates to the field of atomizers and solves the problem that the medicine residue in the atomizer bottle is difficult to be fully atomized when the existing neonatal atomizer device is used. The device comprises a bottle body, a balancing mechanism, a conveying mechanism, a vibrating mechanism and an atomizing mechanism. The balancing mechanism comprises a storage bucket, a first conical tube and a balancing member, the conveying mechanism comprises an air inlet pipe and a connecting member, and the vibrating mechanism comprises a wind wheel and a vibrating member. The present invention keeps the bottom end of the first conical tube in a vertical downward state at all times through the balancing member, and keeps the air inlet pipe and the bottom end of the first conical tube in a connected state at all times through the connecting member, so that when the bottle body is tilted, the medicine liquid will always accumulate at the bottom of the first conical tube for atomization operation, and when the air flow enters the first conical tube, the wind wheel is blown to rotate, thereby driving the vibrating member to make the storage bucket vibrate, and the water droplets adhering to the inner wall of the storage bucket are shaken off to the bottom of the storage bucket by the vibration assistance, so as to be fully atomized.

The invention relates to the technical field of sludge treatment devices, in particular to an efficient sludge centrifugal dewatering treatment system and method. The efficient sludge centrifugal dewatering treatment system comprises a rotary drum, a connecting pipe and a dewatering mechanism. The rotary drum comprises a conical pipe, and the dewatering mechanism comprises a dewatering assembly and an adjusting assembly. The dewatering assembly comprises a movable auger and an opening plate. When the rotary drum is blocked, materials in the rotary drum need to be discharged outwards, the opening plate moves in the direction away from the axis of the connecting pipe, the differential speed between the movable auger and the rotary drum is gradually increased, and the blocked materials can be actively pushed outwards through generated larger torque. And the displacement of the movable auger towards the first end of the conical pipe is gradually increased, so that materials can be discharged more quickly, the blockage problem is efficiently solved, meanwhile, continuous operation without shutdown is realized, and the operation efficiency of the dehydration equipment is remarkably improved. The invention provides an efficient sludge centrifugal dewatering treatment system and method, and aims to solve the problem that an existing dewatering machine cannot be automatically cleaned when being blocked.

The invention relates to the technical field of energy storage cabinets, in particular to an outdoor energy storage cabinet and system with an efficient protection mechanism, on the basis of heat dissipation of a heat dissipation groove body, the heat dissipation groove body is prevented from being in direct contact with the outside, a protection cover body is arranged at the side position of the heat dissipation groove body, a heat dissipation protection effect is provided, and the heat dissipation protection effect is improved. A heat dissipation auxiliary assembly and a ventilation protection assembly are arranged in the protection cover body; the water absorption drying cotton sleeve is arranged on the outer side of the conical pipe body in a sleeving mode, and the auxiliary groove is formed in the outer side wall of the water absorption drying cotton sleeve, so that when heat dissipation work is carried out, dust and impurities in gas entering from the vent holes can be correspondingly adhered and blocked; an auxiliary groove formed in the outer side wall of the water-absorbing and drying cotton sleeve also has a corresponding temporary storage function; therefore, the outdoor energy storage cabinet designed by the invention is provided with a matched protection mechanism so as to meet the actual use requirements of the outdoor energy storage cabinet.

The cloth discharging device comprises a bottom plate, the top of the bottom plate is fixedly connected with a base plate, the top of the bottom plate is fixedly connected with a protective cover, the top of the bottom plate is fixedly connected with a cooling assembly used for discharging cloth of the calender, and the cooling assembly comprises a first supporting frame plate fixedly connected with the top of the bottom plate. The surface of the first support frame plate is rotatably connected with a cylinder. The utility model relates to the technical field of calenders. According to the cloth discharging device of the calender, the cooling assembly is arranged, air can be continuously supplied to the air inlet pipe through the guide pipe and the conical pipe, an external air pipe can freely rotate in the air supply process, air supply is not affected, the related structure is simple, the cloth discharging device can be disassembled and maintained only by rotating a screw rod, air is uniformly supplied to a cylinder for cooling, and the working efficiency is improved. The PVC can be stably cooled in the calendering process, direct blowing cooling is avoided, and the deformation possibility is reduced.

The invention relates to the technical field of road construction monitoring equipment, and particularly discloses a road surface water seepage instrument for road construction monitoring, the road surface water seepage instrument comprises a trolley, a detection mechanism and a cleaning mechanism, the trolley is provided with a vertical pipe; the detection mechanism comprises a bottom ring, a graduated tube and an annular sealing assembly, and the bottom ring is coaxially mounted in the vertical tube in a liftable manner; the graduated tube is vertically arranged above the bottom ring and is coaxially connected with the bottom ring; the annular sealing assembly comprises an inner pipe, a conical pipe and an annular elastic rubber air bag, one end of the inner pipe is coaxially connected with the bottom ring, and a first sealing ring is arranged at the end, away from the bottom ring, of the inner pipe; the inner pipe is coaxially sleeved with the conical pipe, the small-diameter end of the conical pipe is coaxially connected with the bottom ring, and a second sealing ring is arranged at the end, away from the bottom ring, of the conical pipe; the annular elastic rubber air bag is arranged between the inner tube and the conical tube and is coaxial with the inner tube; the cleaning mechanism comprises a scrubbing assembly which is installed on the bottom ring and used for scrubbing the road surface. The working efficiency of the water seepage instrument is improved.

The utility model provides a building fire hydrant water pressure detection device which comprises a water pressure detection device body, the water pressure detection device body comprises a box body, an opening is formed in the top of the box body, a movable plate is movably installed in the opening, an open hole is formed in the movable plate, a supporting pipe is movably installed in the open hole, and the supporting pipe is connected with the box body. A conical pipe is fixedly installed at one end of the supporting pipe, a rubber plate is fixedly installed on the side of the conical pipe, and a fixing assembly is fixedly installed at the top of the box body and comprises a supporting seat. When the water pressure detection device for the building fire hydrant is used, the fire hydrant is clamped by the fixing assembly and driven to move downwards, one end of the fire hydrant makes contact with the conical pipe, the conical pipe is matched with fire hydrants with different diameters, and the fire hydrant is downwards fixed to the conical pipe for pressure measurement through downward thrust of the fixing assembly.

The invention discloses a jet flow micro-nano bubble generator device, and relates to the technical field of sewage treatment. An accelerating pipe, a gas-liquid mixing cavity and a bubble releasing cavity which are connected in series are arranged in the device shell, the gas-liquid mixing cavity is provided with a conical pipe with piezoelectric ceramics to realize ultrasonic cavitation crushing, and the bubble releasing cavity is provided with a dual-mode self-cleaning system which comprises a back-flushing water channel with a duckbilled water spraying opening and a memory alloy bubble releasing plate structure. The power generation impeller is adopted to convert fluid kinetic energy into electric energy needed by the cleaning system, and energy consumption self-circulation is achieved. The bubble diameter is smaller through a multi-stage crushing mechanism, and the technical problems that a traditional device is uneven in bubble size and a bubble release plate is prone to being blocked are solved in cooperation with an online cleaning system. The device is especially suitable for continuous operation scenes of high-turbidity sewage treatment, the maintenance period is prolonged, and the energy consumption is reduced.

The utility model relates to a thermoplastic polymer pipe variable-diameter thinning mould and equipment capable of ensuring the shape of a conical end part, which comprises a first module and a second module, a first mould cavity of the first module comprises a first equal-diameter pipe cavity, a first conical pipe cavity and a first connecting cavity between the first equal-diameter pipe cavity and the first conical pipe cavity; a second die cavity of the second die set comprises a second equal-diameter pipe cavity, a second taper pipe cavity and a second connecting cavity between the second equal-diameter pipe cavity and the second taper pipe cavity, the inner diameter of the second equal-diameter pipe cavity is larger than the inner diameter of the first equal-diameter pipe cavity and smaller than the outer diameter of the pipe, the die cavity comprises an equal-diameter cavity and a taper pipe cavity, and the taper of the taper pipe cavity is consistent with the taper of the taper end of a finished balloon product. And the shape and the taper of the end part of the blastocyst can be kept while the pipes at the two ends of the blastocyst are thinned. Meanwhile, the conical end part of the balloon embryo can be heated and stretched when being positioned in the conical tube cavity, and after the step, the end part even does not need to be stretched and shaped independently, but only needs to be shaped together with the whole balloon, so that the processing technology is simplified, and the production efficiency is improved.

The invention discloses an automobile trunk supporting rod assembling production line and a method thereof. The automobile trunk supporting rod assembling production line comprises a conical pipe riveting mechanism, a terminal stopping block and a conical pipe which are arranged in sequence, the spring piece casing pipe riveting mechanism is used for pushing and installing the positioned and placed spring piece and the positioner into the spring piece casing pipe and riveting the spring piece and the positioner into the spring piece casing pipe; the outer sleeve pushing and mounting mechanism is used for rotationally inserting a conical pipe assembly part subjected to spiral oil injection into the spring piece sleeve assembly part, and sequentially injecting oil into a spring piece sleeve riveted with a large ball head and pushing and mounting the spring piece sleeve into a supporting sleeve and an outer sleeve to form an outer sleeve assembly part; the spring and spring sleeve assembling mechanism is used for inserting the two ends of the detected and oil-injected spring into the outer sleeve assembling part and the spring sleeve; the ball head pressing and riveting mechanism is used for pushing and assembling the spring sleeve and the outer sleeve in place and pressing and riveting large and small ball heads; and the function testing mechanism is used for performing function detection and marking on the assembled product. By means of the mode, the automobile trunk supporting rods can be assembled together, and function detection and marking can be carried out.

The utility model relates to the technical field of power transmission facilities, in particular to an anti-frost heaving power transmission line foundation device. The utility model provides an anti-frost heaving power transmission line foundation device, which comprises a conical pipe filled with concrete; the foundation bolt is poured into the conical pipe by the concrete, and a part of the foundation bolt extends out of the small end of the conical pipe; the bottom plate is provided with a first main plate surface and a second main plate surface which are opposite to each other, and the large end of the conical pipe is connected to the first main plate surface; and the multiple anchor rods are arranged, and the multiple anchor rods are connected to the second main plate face. By means of the arrangement, the anti-frost-heaving power transmission line foundation device does not need cast-in-place concrete, and the problems that in the prior art, a foundation device is inconvenient to construct, and construction quality is difficult to guarantee are solved.

The utility model discloses an extrusion die core capable of quickly switching small specifications, which comprises a common die sleeve, an outer shielding die sleeve sleeved on the outer conical surface of the common die sleeve, a middle die sleeved on the inner conical surface of the common die sleeve, an inner die core sleeved on the inner conical surface of the middle die, a small die core sleeved on the inner conical surface of the inner die core, a cylindrical tube arranged at one end of the small die core, and a cylindrical tube arranged at the other end of the small die core. According to the utility model, before a small-specification conductor is replaced through a large-specification conductor, the small mold core is sleeved on the end part of the small-specification conductor, and along the wiring direction of the conductor, the cylindrical tube of the small mold core is in the front and the cone is in the back, so that the small-specification conductor is not required to be replaced, and the insulation shielding cavity is reserved between the outer conical surface of the common mold sleeve and the inner conical surface of the outer shielding mold sleeve. The small die core enters the inner die core of the large-specification insulated wire core and is combined with the inner die core of the large-specification insulated wire core, so that the production of the small-specification three-layer co-extrusion insulated wire core can be quickly switched without shutdown, the time for replacing the specification of a conductor and the die replacement time are shortened, the cost is reduced, and the reliability of an extrusion layer is improved.

The utility model discloses a cutting device for modified plastic processing extrusion, which belongs to the technical field of modified plastic processing, and comprises a shell, a hydraulic rod is mounted at the top of the shell, a knife rest is fixed at the telescopic end of the hydraulic rod, a cutter is mounted in the knife rest, a limiting pipe is mounted on one side of the shell in a penetrating manner, and the outer side of the limiting pipe is in threaded connection with an inner threaded pipe. A conical pipe is fixed to one side of the inner threaded pipe, T-shaped rods are evenly installed on the outer side of the limiting pipe in a penetrating mode, the T-shaped rods are in sliding connection with the limiting pipe, semicircular blocks are fixed to the ends, away from each other, of the T-shaped rods, the semicircular blocks are in sliding connection with the interior of the conical pipe, and springs are arranged on the outer sides of the T-shaped rods in a sleeving mode. The limiting wheels are pushed to the outer side of the modified plastic at the same time to clamp the modified plastic, the clamping force on the modified plastic is more uniform, the problems of modified plastic deformation and the like caused by non-uniform clamping force are reduced, the modified plastic can be clamped in the middle conveniently, the stress on the plastic is more uniform in the cutting process, and the cutting precision is higher.

The utility model discloses a clogging alarm device for a cyclone dust collector, which relates to the field of feed production equipment, and adopts the technical scheme that the clogging alarm device comprises a cyclone dust collector body, a mounting opening is formed in the side wall of a conical barrel of the cyclone dust collector body, a movable door is detachably arranged on the mounting opening, and a rotation stopping type material level indicator is fixedly arranged in the middle of the movable door; blades of the rotation-resisting type material level device are located in the cyclone dust collector body. The two sides of the movable door are each fixedly provided with a connecting lock, the portions, at the four corners of the installation opening, of the cyclone body are each fixedly provided with a fixing ring, and the connecting locks are connected with the fixing rings in an inserted mode. The cyclone dust collector has the advantages that the cyclone dust collector can be conveniently mounted and dismounted from the cyclone dust collector, tools are not needed in the whole process, and a user can conveniently clean the inside of the cyclone dust collector after the movable door is dismounted; and the circulation performance in the cyclone dust collector is detected through the rotation stopping type material level device, so that the situation that the whole production process is forced to be interrupted due to long-time material blockage is prevented, and the continuity and the stability of production are guaranteed.

The invention provides a hot cathode for a micro-focus X-ray tube and the X-ray tube, the hot cathode comprises a cathode body, a cathode cylinder, potting ceramic, a heater, a sealing cover, a heat insulation straight cylinder, a heat insulation conical cylinder and heat insulation ceramic, the outer side wall of the cathode cylinder is sequentially provided with a first step part and a second step part, the heat insulation straight cylinder is connected with the cathode cylinder through the first step part, and the heat insulation conical cylinder is connected with the cathode cylinder through the second step part; the heat-insulating conical cylinder is located on the periphery of the heat-insulating straight cylinder, the bottom of the heat-insulating conical cylinder is connected with the heat-insulating straight cylinder, and the heat-insulating ceramic is connected to the top of the heat-insulating conical cylinder. Through the structural cooperation of the heat insulation straight cylinder, the heat insulation conical cylinder and the heat insulation ceramic, the heat flow path is prolonged and bent, and the radial heat resistance is effectively improved; through the design of the conical heat insulation cylinder, the heat flow sectional area changes in the axial direction, the heat flow density redistribution effect is generated, the heat flow density of the high-temperature end is reduced, the conical cylinder is matched with the straight cylinder to form a heat flow impedance matching structure, and heat reflection loss is reduced.