876 results about "Oil cooling" patented technology

The joint module comprises a motor and a harmonic reducer, the motor comprises a shell, a stator assembly and a rotor assembly, the shell comprises an outer shell and an inner oil cavity, a first oil port and a second oil port are formed in the two ends of the inner oil cavity respectively, the stator assembly is fixed to the inner side of the inner oil cavity, and the rotor assembly is fixed to the outer side of the inner oil cavity. The rotor assembly comprises a rotating shaft and a rotor hub arranged on the rotating shaft, the rotor hub comprises an inner shell and an outer shell, the inner shell and the outer shell are fixed through a connecting piece, an oil stirring channel is formed, the harmonic reducer comprises a wave generator, a flexible gear, a supporting bearing outer ring and a supporting bearing inner ring, and the rotating shaft is connected with the wave generator. The wave generator drives the flexible gear to deform, the flexible gear is fixed to the rear end cover, the outer ring of the supporting bearing is fixed to the rear end cover, and a gear ring is arranged on the inner wall of the inner ring of the supporting bearing and is in staggered tooth transmission with the flexible gear. Oil liquid is in direct contact with a stator heating source, the stator heat dissipation efficiency is improved, the rotor hub drives the oil liquid to flow, and the heat exchange efficiency is improved.

The invention relates to an aircraft electric drive oil cooling structure which comprises an outer rotor assembly, a stator assembly, a controller assembly, an oil pump and a heat dissipation assembly, the stator assembly comprises a stator shell and a winding, a sealing cover is further fixed to the outer side of the winding, and a cooling cavity is formed between the sealing cover and the stator shell; a bottom plate is further arranged at the bottom of the stator shell, the controller assembly is fixed in a mounting cavity formed by the bottom plate and the stator shell and comprises a circuit board and a cooling plate which are close to each other, the circuit board is connected with the winding, an oil duct A is further arranged on the bottom plate, an oil inlet pipe and an oil outlet pipe are arranged on the cooling plate, and an oil duct B communicated with a cooling cavity is further arranged on the bottom plate; the heat dissipation assembly comprises a heat dissipation fin set and a fan assembly, the heat dissipation fin set and the oil pump are both fixed to the lower portion of the bottom plate, heat dissipation fins form a ring and are arranged outside the oil pump in a surrounding mode, the heat dissipation fin set, the oil pump and the bottom plate are communicated with one another, and the fan assembly is fixed to the lower portion of the heat dissipation fin set. Efficient, light-weight, high-integration-level and reliable heat dissipation of the electric drive of the aircraft is achieved.

The invention provides a power transformer electromagnetic loss control method and device in an intelligent power grid environment, and relates to the field of intelligent power grids, and the method comprises the steps: carrying out the cooling demand prediction of a transformer according to a predicted power load sequence and a space temperature sequence, and outputting a predicted cooling load sequence; and with meeting of the predicted cooling load sequence as a constraint and minimization of energy consumption and oil temperature fluctuation as optimization targets, cooling parameters of the forced oil cooling device are optimized, an optimal cooling parameter sequence is output, and the forced oil cooling device is controlled to dissipate heat of the transformer. The method aims to solve the technical problems that a traditional control method lacks cooling strategy dynamic adjustment capacity, temperature rise abnormity is prone to occurring in a high-load or high-temperature environment, transformer iron core loss and winding loss are remarkably increased, and electromagnetic loss is high, accurate and efficient cooling control can be achieved, the electromagnetic loss is effectively reduced, and the service life of a transformer is prolonged. And the operation efficiency and stability of the transformer are improved.

The invention relates to the technical field of motor cooling, in particular to an oil-water composite cooling motor heat dissipation structure and a heat dissipation method thereof.The oil-water composite cooling motor heat dissipation structure comprises a machine shell, a stator iron core, a winding and a rotor are arranged in the machine shell, and a hollow shaft is inserted into the rotor in a penetrating mode. Water flows through the S-shaped water channel on the casing, the casing and the stator core are cooled when the water passes, most heat is taken away, and basic temperature control is maintained; cooling oil is guided into the first oil cooling channel, the second oil cooling channel and the third oil cooling channel through the oil inlets, it is guaranteed that all positions of the stator can make synchronous contact with heat dissipation oil in the first oil cooling channel, particularly, effective heat dissipation is conducted on a stator iron core, the oil enters an oil injection ring, and the cooling effect is improved. According to the utility model, oil is sprayed to a stator winding at 360 degrees circumferentially, heat dissipation is enhanced, the other two oil cooling channels guide oil to a bearing and a rotor respectively, a plurality of heating parts can be considered, a specific oil way is designed to directly cool the heating parts, the lubricating and heat dissipation efficiency is improved, and high-speed operation of the motor is realized.

The present invention discloses a mechanical engineering reducer with an oil cooling assembly and a control method thereof, comprising a cooling box and a reducer fixedly mounted on the top of the cooling box, a motor fixedly mounted on the top of the cooling box near one side of the reducer, a coupling fixedly connected between the motor and the reducer, an oil pump fixedly mounted on the top of the reducer, a liquid inlet of the oil pump fixedly connected to a liquid inlet pipe extending into the interior of the reducer, a liquid outlet fixedly connected to a liquid outlet pipe, a purifier connected to the liquid outlet pipe, an S-shaped heat exchange tube fixedly connected to one end of the liquid outlet pipe, an air cooling fin assembly for cooling the S-shaped heat exchange tube provided inside the cooling box, and fan assemblies provided on both sides of the air cooling fin assembly. The present invention relates to the field of reducer cooling technology, and the mechanical engineering reducer with an oil cooling assembly and a control method thereof solve the problem that the existing heat dissipation device of the reducer has certain limitations and an unsatisfactory heat dissipation effect.

The utility model relates to an oil way system, a cascade unit, energy-saving equipment and refrigeration equipment, the oil way system comprises a first heat exchanger, a first oil tank and a second oil tank, a first channel and a second channel are arranged in the first heat exchanger, and heat exchange can be conducted between the first channel and the second channel; two ends of the first oil tank are respectively communicated with the first channel to form a first circulating oil path; the two ends of the second oil tank communicate with the second channel to form a second circulating oil way. According to the oil way system, when the oil temperature in the first oil tank and the oil temperature in the second oil tank have a large temperature difference, the oil temperature of one oil tank is too low, and the oil temperature of the other oil tank is too high or too high, heat exchange between the two circulating oil ways can be achieved through the first heat exchanger; and therefore, the conditions of too low oil temperature and too high oil temperature are relieved synchronously, and normal operation of an oil way can be guaranteed. No extra heating assembly or oil cooling assembly is needed, and the power consumption and the manufacturing cost of the oil way system can be obviously reduced.

The invention discloses a long-service-life composite heat treatment method for a harmonic reducer flexible gear made of an SNCM439 material, belongs to the technical field of long-service-life manufacturing of harmonic reducers, and solves the problem that the service life of the harmonic reducer flexible gear is short. According to the method, a flexible gear made of an SNCM439 material is subjected to a composite heat treatment method of secondary normalizing, quenching, deep cooling and tempering, and the specific process method is as follows: the primary normalizing temperature is 870-890 DEG C, the heat preservation time is 50-70 minutes, and air cooling is performed; the secondary normalizing temperature is 850-870 DEG C, the heat preservation time is 50-70 min, and air cooling is carried out; the quenching temperature is 830-850 DEG C, the heat preservation time is 50-70 min, and oil cooling is conducted; the subzero treatment temperature is-70 DEG C to-90 DEG C, and the heat preservation time is 110-120 min; the tempering temperature is 490-510 DEG C, and the heat preservation time is 120-140 minutes.

The invention relates to an electronic oil pump control method and system of a vehicle oil cooling electric drive system. The electronic oil pump control method of the vehicle oil cooling and electric driving system comprises the following steps that at least two operation parameters of the vehicle oil cooling and electric driving system are obtained, and the operation parameters comprise a temperature parameter and a parameter related to a load; comprehensively determining the required flow of the electronic oil pump based on the at least two operation parameters; inquiring pre-stored flow and rotating speed MAP data according to the required flow to obtain a corresponding target rotating speed of the electronic oil pump; based on the target rotating speed, the control current of the electronic oil pump is adjusted to control the actual rotating speed of the electronic oil pump, and then the required flow is provided; the electronic oil pump control method of the vehicle oil-cooling electric drive system can solve the problem that the electronic oil pump control strategy of a heavy truck electric drive system is not fine, and is high in efficiency.

The application discloses a motor oil cooling system and a motor oil cooling method. The motor oil cooling system comprises an oil cooling shell assembly, a stator assembly arranged in the oil cooling shell assembly, and a rotor assembly arranged in the stator assembly and rotationally connected with the stator assembly through a bearing. An end cover assembly is arranged at the right end of the oil cooling shell assembly. A shell oil passage is arranged between the oil cooling shell assembly, the stator assembly and the end cover assembly. A rotor oil passage is arranged in the rotor assembly. A shell oil inlet channel and a shell oil return channel are arranged on the oil cooling shell assembly and are communicated with the shell oil passage. A rotor oil inlet channel is arranged on the rotor assembly and is communicated with the rotor oil passage. The rotor oil passage is communicated with the shell oil return channel. The motor can be efficiently and sufficiently cooled by simultaneously cooling the stator core, the stator winding, the rotor core, the bearing and other heating parts, and the motor has better process performance and cost advantage.

This application relates to a performance test system and method for a self-circulating steam compressor. Specifically, the system includes a steam input system, a steam compression system, a buffer and storage system, a steam recovery system, and an intelligent control system, as well as an optional steam compressor makeup water system, a condensate recovery system, and an internal oil cooling system. The self-circulating steam compressor performance test system described herein only requires a small amount of external steam to be input at the initial startup stage. After reaching a stable state, it can achieve full self-circulation operation. This reduces steam consumption, improves the overall economy and energy utilization rate of the system, and has strong operating reliability.

The invention belongs to the technical field of titanium and titanium alloy machining, and relates to a Ti65 alloy large-specification bar capable of improving the flaw detection level and a forging technology of the Ti65 alloy large-specification bar. The forging technology comprises the following steps that a Ti65 cast ingot is heated to 1150-1200 DEG C, and air cooling is conducted after one-heating-time, one-upsetting-one-drawing cogging is conducted; the blank is heated to a beta-phase region, and air cooling is conducted after one-heating-time one-upsetting-one-drawing forging is conducted; the blank is heated to an alpha + beta phase region for heat preservation and then is subjected to oil cooling; the blank is heated to an alpha + beta phase region to be subjected to one-heating-number two-upsetting and two-drawing forging, and then air cooling is conducted; the blank is heated to a beta-phase region for heat preservation and then is subjected to oil cooling; the blank is heated to an alpha + beta phase region to be subjected to four to six heating times, one-upsetting and one-drawing forging, and then air cooling is conducted; and heating the blank to an alpha + beta phase region for forming. The Ti65 alloy bar with the diameter of 300-450 mm prepared by the process has a uniform equiaxed structure and a good flaw detection level, and the clutter level of manual semi-sonic path distance flaw detection by adopting a flat-bottomed hole with the diameter of phi 1.2 in the diameter direction is lower than-9 db.

The invention discloses a processing technology of a high-hardness wear-resistant steel guide rail, relates to the technical field of alloy tool steel heat treatment, and aims to solve the problems of insufficient wear resistance, large heat treatment deformation, high cracking risk and non-uniform cooling in the production process of the high-hardness wear-resistant steel guide rail in the prior art. The invention provides a high-hardness wear-resistant steel guide rail prepared from 9Mn2CrWV steel, and a processing technology comprising preheating, austenitizing treatment, oil cooling (including heat straightening), primary tempering, deep cooling, secondary tempering and post-treatment. According to the process, by strictly controlling the temperature, the time and the medium of each stage, the hardness, the wear resistance and the structure uniformity of the guide rail are effectively improved, meanwhile, the risks of deformation and cracking are remarkably reduced, and green and environment-friendly production is achieved.

The utility model discloses an inner cooling oil chamber, oil cooling piston and engine, including: inner cooling oil chamber body, including oil chamber body lower part and oil chamber body upper part, oil chamber body upper part at least includes first vortex area and second vortex area, first vortex area is closer to piston center than second vortex area, and the first vortex area is closer to piston center than second vortex area. The second vortex region is closer to the piston ring groove than the first vortex region. Engine oil is sprayed into the oil inlet channel through an engine oil pump and enters the inner cooling oil cavity body through the oil inlet channel. Along with rapid and high-frequency up-and-down movement of the piston, engine oil continuously collides with the upper wall face and the lower wall face of the inner cooling oil cavity body under the action of inertia force, part of the engine oil impacts the first vortex area to form a first vortex, and part of the engine oil impacts the second vortex area to form a second vortex. The contact area of engine oil and the inner cooling oil cavity body is increased, the flowing speed of the engine oil in the vortex area is higher, a better cooling effect is generated, the temperature of a piston can be more effectively reduced, and the phenomenon that the engine oil in the inner cooling oil cavity is coked is reduced.

The invention discloses a method for improving impact toughness of aluminum-containing ultrahigh-strength steel. The method comprises the following steps: forging an aluminum-containing ultrahigh-strength steel cast ingot; carrying out two-stage hot rolling on the forged ultrahigh-strength steel, and carrying out water cooling treatment after hot rolling; the hot-rolled ultrahigh-strength steel is annealed at the annealing temperature of 800 + / -50 DEG C, heat preservation is conducted for a period of time, furnace cooling is conducted to 600 + / -50 DEG C, and discharging and air cooling are conducted; the ultrahigh-strength steel is subjected to solid solution and aging treatment, the solid solution process comprises the steps that a heat treatment furnace is heated to 950-1000 DEG C for charging, heat preservation is conducted for 30-40 min, then oil cooling is conducted, the aging process comprises the steps that heat preservation is conducted for 55-65 min at the temperature of 500-550 DEG C, and then air cooling is conducted. The technology is scientific and reasonable, the toughness of the aluminum-containing ultrahigh-strength steel is greatly improved while the strength of the ultrahigh-strength steel is guaranteed through the combination of two-stage rolling and the reasonable heat treatment technology, and therefore the service safety of the aluminum-containing ultrahigh-strength steel is improved.

The utility model discloses a heat dissipation structure for an oil cooling loop on the surface of a stator core of an oil cooling motor, which belongs to the technical field of oil cooling motors and comprises an end face punching sheet, a middle punching sheet B is welded on the upper end face of the end face punching sheet, and a plurality of groups of middle punching sheets A are welded on the upper end face of the middle punching sheet B. According to the utility model, through the arrangement of the middle punching sheet A, the middle punching sheet B and the end surface punching sheets, the three groups of punching sheets are welded into the motor stator iron core, and the corresponding oil passing grooves are arranged on the outer surfaces of the three groups of punching sheets, so that cooling oil can be fully contacted with a motor stator, and the cooling effect is improved. According to the utility model, the middle punching sheet A and the middle punching sheet B are welded and fixed in a staggered manner, so that the sprayed cooling oil can cover the surface of the stator in a Z shape in a large range, the contact area between the cooling oil and the stator is increased, and the heat dissipation efficiency of the stator is further improved.

The utility model relates to the technical field of oil cooling motor structures capable of rapidly reducing oil temperature, and discloses an oil cooling motor structure capable of rapidly reducing oil temperature, which comprises a bottom plate and a motor main body, a rapid oil temperature reducing assembly is arranged at the top of the bottom plate, and the rapid oil temperature reducing assembly comprises an oil pump, a circulating pump, a fan frame and radiating fins. The oil pump is connected with an oil tank through an input pipe, the oil pump is connected with a cooling oil disc through an output pipe, and through the arrangement of the rapid oil temperature reducing assembly, a worker starts the oil pump, pumps cooling oil from the oil tank and injects the cooling oil into the cooling oil disc, the cooling oil disc is attached to the outer wall of the motor body, operation heat is absorbed, the motor is prevented from being overheated, and stable operation is guaranteed; the circulating pump pumps out hot oil from the cooling oil tray and feeds the hot oil into the heat dissipation pipe, the heat dissipation fins on the heat dissipation pipe increase the heat dissipation area and cooperate with the fan in the fan frame to accelerate heat dissipation, the cooled oil returns to the oil tank through the return pipe, efficient circulation of the cooling oil is achieved, and the motor is continuously cooled.

The invention provides a new energy automobile driving motor stator oil cooling structure, and relates to the technical field of new energy automobile driving motors. An oil cooling heat dissipation part is mounted at the front end of the outer part of the connecting mounting part; a driving control part is mounted at the top of the connecting mounting part and is used for rotating the oil cooling heat dissipation part; a movable positioning part is mounted on the connecting and mounting part and is used for positioning the connecting and mounting part; two groups of anti-loose limiting parts are mounted on the connecting and mounting part and are used for ensuring the stability of the connecting and mounting part during use; when the circulating pump works, cooling oil between the two corresponding rectangular separation strips can be completely discharged basically, and it is guaranteed that the cooling oil in the motor shell can be fully circulated; the problem that the suction position of cooling oil cannot be accurately controlled during cooling oil circulation due to the lack of a cooling oil separation structure generally is solved.

A lubricating oil pipeline forming a U-shaped channel and a refrigerant containing cavity surrounding the pipeline are arranged in a box body, a refrigerant inlet is formed in the bottom of the refrigerant containing cavity, and a refrigerant outlet is formed in the top of the refrigerant containing cavity. A refrigerant inlet and an oil inlet section of the U-shaped channel are arranged on the same side, and a refrigerant outlet and an oil outlet section of the U-shaped channel are arranged on the same side, so that a heat exchange mode that refrigerants and lubricating oil flow reversely in a high-temperature area and flow downstream in a low-temperature area is formed; heat exchange fins are arranged on the outer wall of the U-shaped channel in the circumferential direction. A porous ceramic area used for adsorbing bubbles can be arranged on the inner side wall of the box body. Through countercurrent flow heat exchange of the U-shaped pipeline, the heat exchange efficiency is improved, the temperature of lubricating oil can be stably controlled to be smaller than or equal to 40 DEG C, the problem of lubrication failure caused by too high oil temperature of the disc separator is solved, and therefore the reliability of the disc separator under long-term high-load operation and the service life of a bearing are guaranteed.

The invention provides a composite immersed cooling liquid as well as a preparation method and application thereof. Comprising a dispersion phase, a continuous phase, an emulsifier and an additive, the dispersion phase is fluorine cooling liquid, the continuous phase is oil cooling liquid, the emulsifier is one or more compounded nonionic surfactants, and the HLB value of the emulsifier is 4-9 or 10-18; according to the composite immersed cooling liquid disclosed by the invention, the advantages of high heat conductivity of the oil phase and high safety (non-combustibility and high dielectric strength) of the fluorine phase are ingeniously combined, and 1 + 1gt is realized; 2, the effect is achieved; the oil phase with high cost performance is used for replacing most expensive fluorine phases, and the overall material cost is reduced by 40%-60% compared with that of pure fluorine cooling liquid; the nano-scale microemulsion is formed through the specific emulsifier, the fundamental problem that a traditional mixed solution is inevitably layered is solved, and the shelf life is long; the cooling liquid disclosed by the invention has good material compatibility, and the problem that a pure fluorine liquid swells some sealing materials is avoided.

The invention relates to the technical field of motors, and discloses a multi-layer winding structure of a high-power-density flat wire oil-cooled motor, which comprises a rotating shaft, a rotor core, a stator core, a winding component and a motor shell which are concentrically sleeved from inside to outside, and is characterized in that the winding component comprises a plurality of winding bodies which are arrayed and nested in the stator core; the front and rear ends of the winding component are respectively provided with a welding end winding and a hairpin end winding. According to the multi-layer winding structure of the high-power-density flat wire oil-cooled motor, a multifunctional winding cooling structure is formed by the first cross flow groove, the second cross flow groove, the two cooling flow guide assemblies and the plurality of annular cooling grooves; after being combined with a flat wire oil cooling motor formed by a rotating shaft, a rotor iron core, a stator iron core, a winding part and a motor shell and a circulating pump transmission module for use, cooling oil can be guided and conveyed to cover most structures of the winding part in a plurality of annular cooling grooves; and the two cooling diversion assemblies comprehensively spray and cool the structures at the two ends of the winding component in a rotary output mode.

The invention relates to the technical field of metal heat treatment, in particular to a silicon alloy steel bearing ring high-temperature salt bath quenching process for a high-temperature load environment, which comprises the following steps: S1, carrying out surface sand blasting treatment on a silicon alloy steel bearing ring; s2, stepped heating-heat preservation-cooling treatment is carried out, and the uniformly austenitized ferrule is obtained; s3, the uniformly austenitized ferrule is immersed in a composite salt bath; s4, staged cooling treatment of an air cooling stage and an oil cooling stage is conducted in sequence; s5, the martensite matrix ferrule is subjected to subzero treatment and staged heating; and S6, multi-stage tempering treatment with different temperature gradients is conducted, and the final high-temperature bearing ring is obtained. Through the combined process of stepped austenitizing, composite salt bath ultrasonic quenching, graded cooling, deep cooling and multi-stage tempering, homogenization and stabilization of the structure of the bearing ring are achieved, and the dimensional stability and the tempering resistance of the bearing ring in the high-temperature load environment are improved.

The utility model relates to the field of conducting rings, in particular to a conducting ring for an oil cooling shaft, which comprises a conducting ring casting, the conducting ring casting is of an annular structure, the inner wall of the conducting ring casting is fixedly connected with a mounting ring, carbon fiber yarns which are arranged at equal intervals are mounted on the mounting ring, and shaft static electricity is transmitted to the conducting ring casting through the carbon fiber yarns. According to the utility model, shaft static electricity generated by the motor rotating shaft is transmitted to the conductive ring casting by using the carbon fiber yarns and is further transmitted to the motor shell, so that the shaft static electricity is effectively prevented from being accumulated on a bearing or other conductive parts, the risks of local overheating and bearing abrasion are reduced, the operation reliability of the motor is remarkably improved, and the service life of the motor is remarkably prolonged. Through the arrangement of the rubber oil baffle plate, not only is excessive engine oil prevented from being in contact with the carbon fiber yarns, but also the rubber oil baffle plate is convenient to replace and clean through the detachable locking nut and positioning block structure, and the maintenance cost and time are reduced.

The invention discloses a heat treatment method for regulating and controlling lamellar structures of TiAl alloy forgings, and belongs to the technical field of heat treatment of alloy materials. According to the method, the obtained forged TiAl alloy is placed in a heat treatment furnace with the temperature of T alpha + / -10 DEG C, after heat preservation is conducted for 5-30 min, multi-stage step-by-step cooling is conducted, the TiAl alloy with the fine near-lamellar structure is obtained, the multi-stage step-by-step cooling mode comprises two modes, the first mode is furnace cooling + air cooling, and the second mode is furnace cooling + air cooling + oil cooling; by regulating and controlling the critical temperature point, the cooling speed and possible short-time heat preservation of each cooling stage, accurate control over lamellar regularity, lamellar cluster size and grain refinement degree is achieved, generation of Widmannstatten structures and metastable structures is effectively inhibited, and the structure uniformity and the strength and plasticity matching performance are remarkably improved.

The invention relates to the technical field of sludge drying, and discloses a conduction oil closed circulation system for sludge drying, which comprises: a conduction oil heating device; the drying machine heat exchange device is used for drying the sludge by utilizing the heat of the heat-conducting oil; the conduction oil transmission pipeline is connected with the conduction oil heating device and the drying machine heat exchange device; the heat conduction oil cooling device is connected with the drying machine heat exchange device and the heat conduction oil heating device; the detection device is used for detecting the temperature of heat-conducting oil in the heat-conducting oil heating device and the heat-conducting oil cooling device; and the control device is used for controlling the drying machine heat exchange device to dry the sludge by using heat of the heat conduction oil when detecting that the temperature of the heat conduction oil in the heating device rises to a first preset temperature, and controlling the heat conduction oil to return to the heat conduction oil heating device when detecting that the heat conduction oil in the cooling device is cooled to a second preset temperature. Therefore, the conduction oil is controlled to circulate among the heating device, the transmission pipeline, the drying machine heat exchange device and the cooling device by detecting the temperature of the conduction oil, and heat energy waste is prevented.

The automatic assembling machine comprises a synchronous material moving base, and an edge strip feeding mechanism, an oil cooling plate feeding mechanism, an aluminum plate feeding mechanism, a corrugated plate feeding mechanism and a plug feeding mechanism are sequentially arranged in the moving direction of the synchronous material moving base. The material feeding mechanism is used for grabbing a first layer of aluminum plate, and the edge strip feeding mechanism is used for grabbing two edge strips to be placed on the first layer of aluminum plate. The oil cooling plate feeding mechanism is used for grabbing an oil cooling plate and placing the oil cooling plate on the first layer of aluminum plate; the aluminum plate feeding mechanism and the corrugated plate feeding mechanism are used for stacking a second layer of aluminum plate and a second layer of corrugated plate respectively; the plug feeding mechanism grabs the plugs, places the plugs on the second layer of aluminum plate and is located at the two ends of the corrugated plate, and therefore the plugs are stacked to form a stacked unit. The material stacking mechanism is used for stacking the stacking units into a plurality of layers to form a radiator core body; the automatic assembling process of the radiator core is achieved, the assembling efficiency and the yield are improved, and meanwhile the manual labor intensity is reduced.

The invention relates to a stator core end inclined spraying type oil cooling heat dissipation structure and a motor, and relates to the technical field of motor heat dissipation. The stator core end inclined spraying type oil cooling heat dissipation structure comprises a stator core, a stator winding and a heat dissipation frame, the stator winding is arranged in the stator core, an oil inlet is formed in the heat dissipation frame, a heat dissipation cavity is further formed in the heat dissipation frame, a plurality of spraying positions are further arranged on the side, close to the stator winding, of the heat dissipation frame in an extending mode, and the spraying positions are communicated with the oil inlet. The end of each spraying position is provided with an oil outlet hole, each oil outlet hole is communicated with the heat dissipation cavity and faces the stator winding, the side, away from the oil inlet, of each oil outlet hole is provided with a spoiler, and each spoiler is arranged in the heat dissipation cavity. The oil outlet structure has the effect of improving the oil outlet uniformity of all the oil outlet holes.

The utility model provides an intelligent temperature control device of a wind power gear box oil cooling system, which comprises a wind power gear box, an oil outlet pipe is fixedly communicated with the surface of the wind power gear box, a heat dissipation mechanism is arranged, and lubricating oil enters a first communicating pipe through the oil outlet pipe and exchanges heat with air through heat dissipation fins. The temperature of the lubricating oil is detected through the first temperature sensor, the semiconductor chilling plate is started, cooling liquid in the cooling cavity is cooled, the low-temperature cooling liquid exchanges heat with hot lubricating oil flowing through the second communicating pipe, the lubricating oil is cooled again, the cooled lubricating oil flows back into the wind power gear box, and circulation is conducted. When the air temperature is low, the reversing valve is started, the lubricating oil directly flows back into the wind power gear box through the backflow pipe, the lubricating oil is cooled after being rapidly heated, and the situation that the lubricating effect is poor due to the fact that the viscosity of the lubricating oil is large at the low temperature is avoided.

The invention discloses a temperature control method and device for steel machining, and relates to the technical field of temperature control. Acquiring a temperature parameter corresponding to the target steel to determine cooling control; determining a first temperature interval and a second temperature interval according to the material information of the target steel; the first temperature of the target steel is obtained and compared with the first temperature interval and the second temperature interval, and the cooling mode for the target steel is determined according to the comparison result and the cooling duration; if it is determined that the cooling mode of the target steel is the water-oil alternate cooling mode, the spraying system is controlled to conduct cooling operation on the target steel according to the first temperature interval, and the second temperature of the target steel is obtained; when the second temperature is within the first temperature interval, it is determined that the oil cooling system is controlled to cool the target steel according to the second temperature interval, and a third temperature is obtained; and if it is determined that the third temperature is within the second temperature interval, it is determined that cooling operation of the target steel is completed. According to the technical scheme, the comprehensive performance of a final product is improved.

The invention discloses a modification method for improving oxidation resistance of a high-entropy alloy. The modification method comprises the following steps: S1, carrying out solution treatment and oil cooling on an as-cast high-entropy alloy; s2, the high-entropy alloy subjected to oil cooling is cut, surface oxide skin is removed, and a metal sample is obtained; and S3, the metal sample is subjected to large-deformation cold rolling treatment. According to the method, dendritic structures in the as-cast alloy are eliminated through solution treatment, then the solid-solution-state high-entropy alloy is subjected to multi-pass rolling, the total deformation is 60%-90%, and the oxidation resistance of the high-entropy alloy can be greatly improved. The method is reasonable in design and easy to operate, and the oxidation resistance of the high-entropy alloy is well improved.

The invention discloses a convection reciprocating type flat wire motor stator oil cooling structure which comprises a stator iron core, stator grooves are formed in the inner side of the stator iron core, copper wires are fully inserted in the stator grooves, oil through holes are formed in the bottoms of the stator grooves, oil through holes are also formed in the side, close to the outer circle, of the stator iron core, and the oil through holes are arranged in multiple sets and are transversely and longitudinally arranged alternately. Every two adjacent transverse and longitudinal oil through holes form a group, insulating end rings are installed on the two sides of the stator core, each group of oil through holes in the outer circle side of the stator core and the corresponding oil through holes in the bottoms of the stator grooves are communicated and sealed to form a closed ring, and the insulating end rings on the same side form a sealed closed ring every other group of oil through holes. The double-layer oil through holes are formed in the positions, close to the outer circle and the bottoms of the stator grooves, of the stator iron core, the cooling area of the stator iron core is increased, oil enters the stator iron core from the left side and the right side for heat convection, meanwhile, oil is sprayed to a copper wire after being circulated once in the stator iron core, and the heat dissipation efficiency is greatly improved.