101results about How to "Effective lubrication" patented technology

The present invention provides an oil-dispersible polydopamine nano-lubricating additive and a preparation method and application thereof, belonging to the field of new material technology. The additive is prepared by the following method: taking polydopamine nanoparticles, dispersing them in water, adjusting the pH of the dispersion to 3-4 with dilute hydrochloric acid, and continuously stirring the reaction; adding ethyl acetate to the dispersion after the reaction, then dripping a lipophilic fluorine-containing anion salt solution, and stirring for 0.5-1h; obtaining the oil phase after the reaction, and removing the ethyl acetate. The present invention adopts a simple and controllable protonation reaction and anion transfer process to successfully adjust the lipophilicity and lipophobicity of polydopamine nanoparticles, and achieves its long-term dispersion stability in polyethylene glycol base oil for more than 30 days. The polydopamine nanoparticles prepared by the present invention can be directly dispersed in polyethylene glycol lubricating base oil, and have an effective lubricating effect on the friction and wear between metal / metal friction pairs.

The invention discloses a totally-closed reduction gearbox assembly, which belongs to the technical field of reduction gearboxes, and comprises an upper cover, a lower cover, a gear, an input shaft, an output shaft and a lubricating component, and the lubricating component comprises a conveying seat, an oil outlet, an oil inlet, a lubricating pipe and a lubricating oil spray hole; the sealing unit is arranged in the oil inlet and used for sealing the oil inlet; and the conveying unit is arranged in the conveying seat and is matched with the input shaft for use. When the input shaft rotates, the conveying unit is triggered to act, so that the conveying unit acts and triggers the sealing unit to act, lubricating oil stored in the lower cover can enter the conveying base through the oil inlet, and then the sealing unit seals the oil inlet through the action of the conveying unit; and then the conveying unit extrudes the lubricating oil in the conveying seat into the lubricating pipe, and the lubricating oil can be sprayed to the surfaces of the gear blocks of the gear set from a plurality of lubricating oil spraying holes of the lubricating pipe, so that the meshing process of the gear blocks is lubricated.

The invention discloses a self-lubricating high-corrosion-resistance composite coating as well as a preparation method and application thereof, and belongs to the technical field of composite coating materials. The preparation method of the self-lubricating high-corrosion-resistance composite coating comprises the following steps: preparing a ceramic-fluoride-based composite coating on the surface of a metal substrate to obtain an intermediate material; the intermediate material is placed in liquid formed by heating and melting the solid-liquid reversible lubricating phase to be subjected to vacuum impregnation, so that the solid-liquid reversible lubricating phase permeates into the structural defects of the ceramic-fluoride-based composite coating; and then cooling and solidifying to solidify the solid-liquid reversible lubricating phase and remain in the structural defect. The preparation method is simple, rapid and efficient, the composite coating which is suitable for seawater or seawater-atmosphere alternating environment and integrates the self-lubricating function and the strong anti-corrosion function can be obtained, and the composite coating has the low friction coefficient and the excellent anti-corrosion performance and can be used for preparing ocean engineering equipment.

The oil tank cover outer plate stamping die with the metal filing cleaning structure comprises a lower die base, a guide rod and an upper die base, a lower die is detachably installed at the upper end of the lower die base, an upper die is detachably installed at the lower end of the upper die base, driving frames are fixedly connected to the left side and the right side of the lower die base, and driving grooves are formed in the inner sides of the upper ends of the driving frames; a threaded rod and a movable moving block are arranged in the driving groove, a mounting plate is fixedly connected to the side surface of the moving block, a brushing cleaning mechanism and a blowing cleaning mechanism are fixedly connected to the side surface of the mounting plate, the upper portion and the lower portion of the middle in the blowing cleaning mechanism are open, a blowing fan is arranged in the blowing cleaning mechanism, and a lubricating mechanism is fixedly erected on the upper surface of one side of the lower die base. According to the oil tank cover outer plate stamping die with the metal filing cleaning structure, metal filing can be cleaned through mutual cooperation of the brushing cleaning mechanism and the blowing cleaning mechanism, and the metal filing can be avoided through the lubricating mechanism, so that scratches, caused by residual metal filing, on an oil tank cover outer plate are prevented.

The utility model relates to the technical field of gas turbine blade machining, and discloses a micro-nano cooling liquid sprayer for gas turbine blade precision machining, which comprises a mounting plate, a storage tank for storing cooling liquid is arranged at the top end of the mounting plate, and a spraying mechanism for spraying the cooling liquid is arranged at the bottom end of the storage tank. And a protective cover mechanism for controlling the spraying range of the cooling liquid is arranged at the bottom end of the spraying mechanism. Cooling liquid in the storage tank is extracted through the spraying mechanism, meanwhile, the cooling liquid is sprayed out in a micro-nano-scale mist form through the spraying mechanism, spraying can effectively cool and lubricate blades, the opening and closing degree of the protective cover mechanism is adjusted according to actual needs through the protective cover mechanism, and therefore the coverage area of spraying is controlled, and the cooling effect is improved. The locking mechanism is arranged to lock the protective cover mechanism, the opening and closing angles of the two cover bodies can be flexibly adjusted, different machining requirements are met, and the function of controlling the spraying range of cooling liquid is achieved.

The present invention relates to the technical field of hydraulic equipment, and in particular to a guide structure of a middle cylinder of a hydraulic breaker. It comprises a middle cylinder body and a piston, wherein the inner circumference of the middle cylinder body is provided with front and rear chambers, the middle cylinder body is provided with a guide sleeve and a sealing sleeve, and the guide sleeve, the sealing sleeve and the middle cylinder body are equipped with an independent high-pressure oil lubrication system. The front guide sleeve and the front sealing sleeve are located at the front end of the middle cylinder body, and the rear guide sleeve and the rear sealing sleeve are located at the rear end of the middle cylinder body. The guide sleeve and the piston are matched with each other in clearance, so that the piston slides back and forth on the inner circumference of the guide sleeve. The high-pressure oil lubrication system continuously provides high-pressure oil for the clearance between the inner circumference of the guide sleeve and the piston. This structure avoids direct contact between the piston and the middle cylinder body during the return stroke, solves the problem of strain between the piston and the middle cylinder body, and when the guide sleeve is worn, it can be directly replaced at a low cost. At the same time, the high-pressure oil lubrication system plays an effective supporting and lubricating role in the centering operation of the piston. The use of the present invention can greatly extend the service life of the middle cylinder body and reduce maintenance costs.

The utility model relates to the technical field of gantry machining, in particular to an automatic gantry machining center which comprises an equipment base, an I-shaped beam column and a longitudinal air cylinder are arranged on the equipment base, a cutting machining head set is arranged on the I-shaped beam column, a guide rail is arranged on the equipment base, and a workbench is connected to the guide rail in a sliding mode. An oil storage inner cavity and a ball clamping groove are formed in the guide rail, an oil supplementing screw hole is formed in the guide rail, a bolt column is in threaded connection with the interior of the oil supplementing screw hole, a cap dismounting handle is arranged on the bolt column, lubricating oil is arranged in the oil storage inner cavity, a bearing guide ball is arranged in the ball clamping groove, and a guide rail sliding groove is formed in the guide rail. And a wear-resistant oil-resistant layer is arranged on the guide rail chute. The lubricating property between the guide rail and the guide rail sliding groove on the automatic gantry machining center is improved, the wear resistance and oil resistance of the guide rail sliding groove on the guide rail are improved, and the service life of the guide rail on the automatic gantry machining center is further prolonged.

The invention relates to the technical field of compressors, and particularly discloses a vortex electric compressor which comprises a machine body, a machine cover, a static disc, a movable disc, a rotating shaft and a bearing seat, the bearing seat is arranged in the machine body, the rotating shaft is embedded in the machine body, the two ends of the rotating shaft are matched with the machine body and the bearing seat correspondingly, and the static disc is detachably connected with the bearing seat through a positioning pin; the static disc is arranged in the machine body and located on one side of the bearing seat, the static disc is embedded in the machine body, a cavity is formed between the static disc and the bearing seat, the movable disc is arranged in the cavity, the vortex type line of the movable disc is meshed with the vortex type line of the static disc, the machine cover is detachably connected with the machine body through the screw rod, and the machine cover covers the machine body. Leakage of a sealing surface of a compression cavity of the pump body is reduced, compression efficiency is improved, exhaust temperature is reduced, the compressor is integrally optimized and improved, and circulation of lubricating oil in the pump body is achieved.

The lifting system comprises the gate and a supporting frame, the gate is connected with a lifting driving module through a steel cable, a plurality of adjusting rods are rotationally arranged on the supporting frame in the vertical direction, a lubricating roller is rotationally arranged on each adjusting rod, and lubricating cotton is arranged on each lubricating roller; a locking module is further arranged between the adjusting rod and the supporting frame. The lifting system further comprises a temporary storage box, lubricating oil is stored in the temporary storage box, the outlet end of the temporary storage box is further connected with an oil conveying pump, each adjusting rod is provided with an oil conveying pipe, the inlet end of each oil conveying pipe is connected with the oil conveying pump, and the outlet end of each oil conveying pipe is provided with a titrating head used for conveying the lubricating oil to the lubricating cotton. Compared with the prior art, effective lubrication on the steel cable can be always ensured, a layer of protective oil film is kept on the surface of the steel cable, abrasion between the steel cable and the lifting driving module is effectively delayed, and the service life of the steel cable is prolonged.

The utility model discloses a partition plate welding positioning fixture, which belongs to the technical field of partition plate welding and comprises a worktable, supporting legs are fixedly mounted at the bottom of the worktable, a travel groove and a sliding groove are arranged on the top surface of the worktable, and a double-structure positioning component and a lubricating component are arranged on the inner wall of the worktable. The double-structure positioning assembly comprises a forward and reverse motor, a first gear, a first tooth-shaped strip and a second tooth-shaped strip, the forward and reverse motor is fixedly installed on the side wall of the workbench, a transmission rod is fixedly installed on an output shaft of the forward and reverse motor, and a first bevel gear is fixedly installed at the other end of the transmission rod; according to the utility model, through the arrangement of the double-structure positioning assembly and the design, the partition plate is effectively clamped in all directions, the deviation between the initial position and the final position is avoided, the deviation condition of the partition plate in the welding process is prevented, the welding effect of the partition plate is greatly improved, and the use effect is good.

The utility model discloses a mechanical arm multi-position surface control device, which relates to the technical field of mechanical arms and comprises a fixed bottom plate, a controller for electrical connection control is fixedly mounted on the upper surface of one side of the fixed bottom plate, and a first motor and an outer sleeve seat are fixedly mounted on the upper surface of the center of the fixed bottom plate. A first hydraulic cylinder is fixedly mounted on the upper surface of the rotating disc, a first mechanical outer arm is fixedly connected to the output end of the first hydraulic cylinder, and a second motor used for adjusting the rotating direction of the first mechanical inner arm is fixedly mounted on the first mechanical outer arm; a third motor used for adjusting the rotating direction of the second mechanical outer arm is fixedly mounted on the other side of the first mechanical inner arm, a mounting groove is formed in the surface of one side of the second mechanical outer arm, and the output end of the second hydraulic cylinder is fixedly connected with the second mechanical inner arm. And oil storage cylinders capable of synchronously rotating and automatically supplying lubricating oil are in threaded connection with the interiors of the rotating ends of one sides of the second motor and the third motor correspondingly. The adjusting device has the effect of improving the adjusting flexibility and practicability.

The invention relates to the technical field of aircrafts, and particularly discloses a fixed wing aircraft capable of vertically taking off and landing, which comprises a fixed wing, a storage box fixedly connected to the bottom of the fixed wing, a plurality of supporting legs connected to the outer wall of the storage box, and a rotating mechanism used for changing the flight direction of the aircraft, the rotating mechanism is positioned on the fixed wing; the lubricating mechanism is used for lubricating the rotating mechanism, and the lubricating mechanism is located on the rotating mechanism; through the action of the rotating mechanism and the action of controlling the rotor motors to work by using the attitude sensors, the connecting plates can be driven to rotate according to the lift force difference generated by the rotor motors, so that the aircraft can fly in a horizontal or vertical state, and the aircraft can be changed in multiple directions in the air; and the flight modes of the aircraft are increased, so that the flight use effect of the aircraft is improved.

The utility model provides a cylinder head structure, engine and motorcycle. The cylinder head structure includes cylinder head body, rocker, roller and cylinder cover. One side of cylinder head body is equipped with inner chamber. Rocker is installed in inner chamber. One end of rocker is equipped with installation groove. The outside wall of rocker is equipped with oil storage chamber. The inner side wall of oil storage chamber is equipped with the oil outlet hole who communicates with installation groove. Roller is installed in installation groove. Cylinder cover is installed in the chamber mouth of inner chamber to close inner chamber. The inner wall of cylinder cover is equipped with first oil collecting rib who is used for collecting the oil liquid in inner chamber and guides the oil liquid to oil storage chamber. First oil collecting rib in the application can collect the oil liquid such as oil in inner chamber, and the collected oil liquid is guided to oil storage chamber, and the oil liquid in oil storage chamber flows to installation groove through oil outlet hole, so that the roller in installation groove is fully supplied and lubricated, the roller can be effectively lubricated under high speed, the problem of roller wear is solved, the service life of engine is prolonged, and the reliability of engine is improved.

The utility model discloses a gang saw automatic lubricating device relates to steel production equipment technical field, include: guide component, lubrication supply system and trigger mechanism, and guide component includes guide post and guide sleeve, and the outside of guide sleeve is fixedly connected with saw blade driver, lubrication supply system includes oil reservoir, plunger pump and two lubricating oil pipes, and the oil reservoir is installed in the top of saw blade driver to store lubricating oil, and the plunger pump is installed in the top of oil outlet ware, and the oil inlet of plunger pump communicates with oil reservoir, and the oil outlet of plunger pump communicates with lubricating oil pipe to deliver the quantitative lubricating oil to guide sleeve, trigger mechanism is installed on the guide post to when saw blade driver rises to the top set position, trigger mechanism and plunger pump contact pressurization and make plunger pump supply the quantitative hydraulic oil to guide sleeve, simple structure, convenient to use, realizes the automatic lubrication of gang saw guide sleeve under the condition of not introducing the complex electric control system, effectively improves the stability of gang saw equipment operation.

The utility model relates to a scattered thin waste aluminum material pressing and packaging forming device which comprises a compression cylinder, one end of the compression cylinder is connected with a compaction rod in a sliding mode, the side wall of the compaction rod is attached to the inner wall of the compression cylinder, and hydraulic push rods are arranged on the two sides of the compression cylinder. The utility model relates to the technical field of scattered thin waste aluminum material recovery. When the scattered thin waste aluminum material pressing and packaging forming device is used, aluminum waste materials move from top to bottom, in the process that a compression screw pushes the materials to move, the aluminum waste materials can be gradually compressed due to the change of the screw pitch, the aluminum waste materials are more compact, water stains carried on the surfaces of the waste materials make contact with one another and are fused to form large water drops, and the water drops are prevented from falling off. The cutting fluid flows out when passing through the drainage holes, then water is extruded and discharged before the aluminum waste is compressed into waste ingots, the effective lubricating effect of the cutting fluid in the aluminum waste is achieved, and the effect of improving the fusion speed of the aluminum waste is achieved.

The utility model relates to the technical field of hub bearings, in particular to a long-acting lubrication front hub bearing, which comprises an outer ring and an inner ring component, a raceway is arranged between the outer ring and the inner ring component, a steel ball is arranged in the raceway, and a retainer structure which is used for positioning the steel ball and is convenient for long-acting lubrication is arranged in the raceway. Compared with the prior art, the front hub bearing with the long-acting lubrication has the advantages that the size of the spherical surface of the large-diameter side ball cage is increased, so that a gap between two sides of the ball cage after balls are loaded is increased, when the steel balls rotate, enough lubricating grease is provided for long-term and effective lubrication through the gap, the number of the steel balls in each row is maximized in a limited space, and the service life of the bearing is prolonged. And therefore, the bearing capacity of the bearing is maximized, and long-acting lubrication can be realized.

This invention proposes a lubrication structure for rope pulley durability fatigue testing, relating to the field of fatigue testing technology. It includes a main flow pipe and two branch pipes. The inlet sections of the two branch pipes are bendably connected to the outlet end of the main flow pipe to form a Y-shaped pipe system with an adjustable outlet angle. The two outlets of the Y-shaped pipe system point to opposite sides of the contact area along the width direction. A drive component has two output ends, each connected to the non-bendable outer wall of the corresponding branch pipe. This invention, through the combination of the bendable Y-shaped pipe system, semi-circular pipe, elastic bladder, and air guide channel, constructs a mechanical reverse linkage adjustment mechanism between the outlet pointing position and the oil supply flow rate. This mechanical reverse linkage adjustment mechanism allows the lubrication structure to adapt the oil supply according to the width variation at the contact point between the rope pulley and the belt, ensuring effective lubrication across the entire width while minimizing oil waste caused by compression at the source.

The utility model relates to the technical field of compressors, in particular to a gas compressor rotor seat easy to disassemble, assemble and maintain, which comprises a rotor seat main body, a shell arranged at the top of the rotor seat main body, a plurality of fixing components arranged between the rotor seat main body and the shell, and a buffer component arranged in the rotor seat main body. And a pair of self-lubricating assemblies are symmetrically arranged in the rotor seat main body. According to the utility model, through the arrangement of the fixing assembly, the stable and convenient installation between the rotor seat main body and the housing is realized, and through the cooperation of the limiting block and the limiting groove, the knob can be firmly clamped in the limiting groove after being rotated by 90 degrees, so that the stable fixing effect is realized, and the installation and disassembly processes become simple and rapid; vibration generated by the cam shaft rotor disc is effectively buffered through combined use of the buffering assembly, the first spring, the piston rod, the first piston and the oil storage barrel, the stability of the gas compressor is improved, and the service life of the gas compressor is prolonged.

The utility model relates to wind power gear box lubrication technical field especially relates to a kind of lubricating mechanism in wind driven generator gear box, including gear box assembly, further including generator;The rear end of gear box assembly is provided with generator;Gear box assembly includes transmission input shaft, transmission output shaft, input shaft bearing, output shaft bearing, planetary gear set, electromagnetic oil injection valve, lubricating oil quantity sensor, transmission shaft protective cover.The utility model judges whether the lubricating oil in gear box assembly is short of oil by lubricating oil quantity sensor detecting the oil quantity of lubricating oil in gear box assembly, and under the condition of oil shortage, control electromagnetic oil injection valve to spray lubricating oil in the inside of gear box assembly, lubricating oil is driven by the meshing of planetary gear set and centrifugal effect, so that lubricating oil is fully contacted with transmission mechanism, thereby effectively improve lubricating effect, and reduce the mechanical transmission performance problem caused by lubricating oil excess or too low.

The utility model relates to a rubber hose connector core tail lubricating device which comprises a frame body, an oil storage box is fixedly connected to the frame body, a sponge is placed in the oil storage box, a flow guide plate is fixedly connected to the outside of the oil storage box, an oil guide groove is formed in the flow guide plate, an oil outlet is formed in the side wall of the oil storage box, and an oil outlet is formed in the side wall of the oil storage box. The oil outlet is used for communicating the oil guide groove with the oil storage box, and an oil control assembly used for controlling the flow of lubricating oil is arranged at the oil outlet. By the adoption of the technical scheme, on the premise that the tail of the rubber hose connector core is effectively lubricated during use, the smearing amount of lubricating oil is controlled, the phenomenon that the lubricating oil is accumulated in a threaded groove in the tail of the rubber hose connector core due to the large smearing amount is avoided, and use is facilitated.

The invention discloses a control system and a control method of a main water inlet ball valve of a pumped storage unit, which can realize automatic control and accurate monitoring of the main water inlet ball valve by introducing a signal input module and a signal output module in the control system and combining with a medium-pressure oil pressure system. The system not only can automatically adjust the on-off state of the ball valve according to an operation command, but also can control the input and the withdrawal of the bypass valve, the sealing device and the servomotor lock in real time, and ensures the safe operation of the main water inlet ball valve in different working states. The working sealing device and the overhauling sealing device are located on the near-unit side and the far-unit side of the ball valve respectively, effective sealing and lubrication can be provided in the opening or closing process of the ball valve, and the problem of poor sealing caused by a high-pressure oil pressure system is solved. Through the control system, the system can carry out fault early warning or abnormity processing according to real-time monitoring data, the response speed and safety of the system are greatly improved, the operation process is simplified, and the stability and reliability of the system are improved.

The utility model relates to the technical field of gyro wheel needle bearing, and disclose a gyro wheel needle bearing with flange of outer ring, including: bearing body, setting the bearing outer ring of bearing body outside, setting the bearing inner ring of bearing body inside, fixedly connected in the rubber ring of bearing outer ring inner wall, and fixedly connected in the installation subassembly between bearing outer ring and bearing inner ring, this gyro wheel needle bearing with flange of outer ring, can evenly bear the load through horizontal needle, guarantee the stability of bearing operation, utilize vertical needle and increase the load capacity of bearing, through vertical needle and horizontal needle mutual cooperation, can bear the load in different directions, lubricating oil can enter the oil hole from the oil hole and reach the working surface of horizontal needle, vertical needle through oil hole no.

The present invention discloses a quick-positioning level measuring device for assembled buildings, which belongs to the technical field of level measuring, and comprises a protection box, a top cover is installed on the top of the protection box by hinges, an observation window is arranged on the outer surface of the protection box, a driving assembly is arranged inside the protection box, a moving block is movably installed on the lower end of the driving assembly, and two angle rulers are fixedly installed on the bottom of the moving block; in the present invention, an auxiliary positioning mechanism is arranged in the vertical direction, and through this design, the overall structure is easy to level, and the device can be applied to inclined installation surfaces of different degrees, and the leveling of the level measuring assembly can still be achieved without affecting the use of the device, and at the same time, it can assist the device to be quickly positioned without unnecessary operation, which is convenient and effective, and can utilize wind force in a strong wind environment, further improve the stability of the device, and greatly improve the actual application effect of the device.

The utility model discloses an engine connecting rod convenient to disassemble and assemble, which belongs to the technical field of engine connecting rods and comprises a rod body and a connecting rod big end, the connecting rod big end is fixedly mounted at one end of the rod body, connecting rod covers are symmetrically mounted on two sides of the connecting rod big end, fixing cylinders are slidably mounted in the connecting rod covers, and fixing rods are fixedly mounted in the fixing cylinders. One end of the fixing rod is connected with a handle, telescopic sleeves are symmetrically arranged at the other end of the fixing rod, springs are arranged in the telescopic sleeves, and the other ends of the springs are connected with guide columns. According to the engine connecting rod convenient to disassemble and assemble, the disassembling time can be shortened, by rotating the handle, the fixing rod in the fixing barrel can stretch the spring and the telescopic sleeve to stretch out and draw back together, a positioning pin on the connecting rod cover is pulled out, rapid disassembling is achieved, and during assembling, the handle is rotated, the spring is stretched and aligned with a groove to be inserted, the spring pushes the telescopic sleeve to stretch out, and assembling is completed. The positioning pin is inserted, locking is achieved, and the rod body can be prevented from loosening under high-frequency vibration through locking combination of the spring and the positioning pin.

The invention belongs to the technical field of machine tool chucks, and particularly relates to a heavy machine tool chuck which comprises a chuck assembly, a pressing assembly, a force increasing assembly and a limiting assembly, the chuck assembly is used for clamping a workpiece, the pressing assembly is used for applying force to a clamping jaw making contact with the workpiece, and the force increasing assembly is used for driving a rotating shaft in the pressing assembly to rotate. The limiting assembly is used for locking the pressing assembly in the transmission cavity. In the process that a ball screw sleeve of the pressing assembly applies force to a corresponding clamping jaw, abrasion between the ball screw sleeve and a second thread on an arc plate is basically avoided, and only small friction exists between a fourth thread on a first ring sleeve in the pressing assembly and a first thread on the clamping jaw, so that a lead screw, the clamping jaw and other components are not prone to abrasion; the replacement and maintenance period of worn parts is effectively prolonged, the service life is prolonged, and the maintenance cost is effectively reduced.

According to the automatic conveying device for assembling the refrigerator door body part, a sliding groove comprises a bottom face and first side walls arranged on the two sides of the bottom face, a sliding rail comprises a top face and second side walls arranged on the two sides of the top face, and when the sliding groove is connected with the sliding rail in a matched mode, the bottom face and the top face are opposite, and a moving gap exists in the vertical direction; an oil guide groove is formed in the top face and formed in the top face in a sunken mode, the two ends of the oil guide groove extend to the surface of the second side wall respectively, and the extending direction of the oil guide groove is not parallel to the length direction of the sliding rail. Lubricating grease can be conveyed to the gap between the first side wall and the second side wall from the oil guide groove, effective lubrication is achieved, the automatic assembly reliability of refrigerator door body components is improved, automatic assembly of the components is achieved in cooperation with a mechanical arm, manpower is reduced, and the assembly automation degree is improved.

The application relates to the technical field of centrifugal pumps, in particular to an energy-saving high-temperature-resistant centrifugal pump capable of conveying crystallized materials, which comprises a motor, a support and a pump body, and further comprises an inner rotor assembly, an outer rotor assembly, a jacket assembly and a flow guiding part; the inner rotor assembly is connected with the pump body and is used for driving the pump body to convey liquid; the outer rotor assembly is connected with the motor and transmits mechanical energy of the motor to the inner rotor assembly through magnetic coupling. The flow guiding part driven by medium pressure is arranged, automatic switching of two working conditions is cleverly realized. When medium flows in the pump, the static pressure of the medium makes the flow resistance assembly open, the medium itself is allowed to flow through the bearing cavity for flushing and lubrication, meanwhile, the flushing liquid passage of the jacket assembly is closed, so that pollution of external flushing liquid to the conveying medium is avoided. When there is no medium in the pump, the medium channel is automatically closed and the flushing liquid passage of the jacket assembly is opened, external flushing liquid is used for flushing, cooling and anti-crystallization protection of the bearing.