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878results about "Bearing cooling" patented technology
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Ceramic angular contact ball bearing with high bearing capacity
The invention relates to the technical field of bearings, and discloses a ceramic angular contact ball bearing with high bearing capacity, the ceramic angular contact ball bearing comprises an outer ring, an inner ring, a rolling body, a retainer and an oil storage cavity, the outer ring is of a cylindrical structure, and the inner surface of the outer ring is in contact with the rolling body; the inner ring is positioned inside the outer ring, and the outer surface of the inner ring is contacted with the rolling body; and the rolling bodies are a plurality of spherical ceramic elements which are fixed and separated by the retainer. By optimizing the arrangement mode and material selection of the rolling bodies, the bearing has higher bearing capacity and anti-overturning performance under the high-load condition; the heat dissipation through holes are formed in the retainer, so that the heat dissipation performance of the bearing in the running process is remarkably improved, and the bearing failure risk caused by overheating is reduced; through the design of the oil storage cavity and the oil outlet micropores matched with the oil storage cavity, uniform supply of lubricating oil is achieved, and friction loss between the rolling body and the inner ring and the outer ring is reduced.
Owner:上海奇磐科技有限公司
High-temperature-resistant linear rolling guide rail structure
The utility model belongs to the technical field of guide rails, and relates to a high-temperature-resistant linear rolling guide rail structure. The guide rail comprises a guide rail body, and ball fixing sliding blocks are arranged on the two sides of the guide rail body. In the using process, the ball fixing sliding block is in rolling fit with the guide rail body through the ball piece, and when the ball fixing sliding block moves along the track of the guide rail body front and back, external air can enter the ball fixing sliding block through the air inlet type alignment heat dissipation communication assembly and the auxiliary air inlet part; the air inlet and outlet cooling structures are additionally arranged, air is fed into the ball pieces which continuously operate, the ball pieces and the contact face, matched with the ball pieces, of the guide rail body are rapidly cooled, a part of heat can be discharged from the bottom of the guide rail body through the inner side heat removal and dissipation structures, and the auxiliary heat dissipation effect is achieved; rapid heat dissipation can be achieved in the running process of the linear guide rail, the high-temperature resistance of the guide rail is improved, and the service life of the rail is prolonged.
Owner:ZHEJIANG STE PRECISION MACHINERY TECH
Dynamic and static pressure mixed gas radial bearing
The invention relates to a dynamic and static pressure mixed gas radial bearing, and belongs to the technical field of air bearings. The shaft sleeve is sleeved with the bearing seat, a limiting part is arranged outside the shaft sleeve, and a limiting groove is correspondingly formed in the inner wall of the bearing seat; in the radial direction, the bump foil assemblies are arranged between the shaft sleeve and the bearing seat, and in the circumferential direction, the bump foil assemblies are arranged between the limiting parts at intervals; a plurality of first air inlet holes are formed in the bottom of the limiting groove, a plurality of second air inlet holes are formed in the limiting part, and the first air inlet holes correspond to the second air inlet holes in position. According to the design, the integrity of the bump foil assembly can be guaranteed, the structure is simple, machining is convenient, and mounting and dismounting are more convenient. When the speed of the rotor is low, the static pressure gas forms a gas film, and the bearing capacity of the dynamic and static pressure mixed gas radial bearing is enhanced. When the rotating speed of the rotor is high, dynamic pressure can be generated on the basis of static pressure, and the dynamic pressure and static pressure mixed gas radial bearing has larger bearing capacity due to superposition of the dynamic pressure and the static pressure.
Owner:SHANDONG ZHANGQIU HUADONG BLOWER
Driven mechanism for wafer cleaning device and wafer cleaning device
The invention discloses a driven mechanism for a wafer cleaning device and the wafer cleaning device, and the driven mechanism comprises a base which is hollow and forms a mounting cavity; the rotating shaft is rotatably connected to the mounting cavity through a rotating transmission assembly, and the first end of the rotating shaft extends out of the base; the wafer bearing unit is concentrically and coaxially connected to the rotating shaft and is used for bearing a wafer; the structural part is in sealed connection with the base, and part of the structural part extends into the mounting cavity and can abut against the rotary transmission assembly; the sensor assembly is partially connected with the rotating shaft and used for monitoring the number of turns of rotation of the rotating shaft relative to the base; the wafer rotates to drive the wafer bearing unit to rotate, and the rotating shaft rotates synchronously to drive the sensor assembly to rotate so as to monitor the number of revolutions of the wafer. The wafer rotates to drive the wafer bearing unit to rotate, the rotating shaft rotates synchronously and is matched with the sensor assembly to monitor the rotating speed of the wafer, the mass and torque of the rotating shaft are small, the rotational inertia of the rotating shaft and the wafer bearing unit is reduced, monitoring of the rotating speed of the wafer is more accurate, and the cleaning effect is better.
Owner:HANGZHOU ZHONGGUI ELECTRONICS TECH CO LTD
High-strength low-friction retainer formed by high-pressure casting
The high-strength low-friction retainer formed through high-pressure casting comprises a retainer body, the retainer body comprises two arc-shaped sections and a plurality of window beams connected with the two arc-shaped sections, window holes for containing rolling bodies are formed between the adjacent window beams, and the sides, away from the window holes, of the window beams located at the two ends of the retainer body are provided with inward concave faces. And the inner concave surfaces of the two adjacent retainer main bodies are oppositely arranged to form an oil accommodating gap, so that the oil storage space in the bearing is obviously increased. According to the retainer, sufficient lubricating oil is guaranteed between the rolling body and the retainer main bodies and between the retainer main bodies, more effective heat dissipation is further facilitated, the design of the inner concave faces reduces the direct contact area between the adjacent retainer main bodies compared with a straight face, and therefore friction and abrasion between the retainer main bodies are reduced, and the service life of the retainer main bodies is prolonged. And the overall performance and stability of the bearing are improved.
Owner:SHANDONG GOLDEN EMPIRE PRECISION MACHINERY TECH CO LTD
HTS bearing and flywheel systems and methods
A bearing and flywheel system can include a first bearing portion having an opening of a first dimension there through and a central longitudinal axis, a second bearing portion having a second dimension, the second dimension being smaller than the first dimension, and a flywheel coupled to the second bearing portion. The bearing portions can include high-temperature superconductor(s) and / or magnets. The second bearing portion can be disposed at least partially within the opening through the first bearing portion. A gap can exist between an outer surface of the second bearing portion and an inner surface of the first bearing portion. The second bearing portion can be configured to rotate relative to the first bearing portion.
Owner:REVTERRA CORP
Lightweight thin-wall crossed roller bearing for high-precision industrial robot
The invention relates to the technical field of bearing structures, and discloses a lightweight thin-wall crossed roller bearing for a high-precision industrial robot, the lightweight thin-wall crossed roller bearing comprises a mounting seat, an outer ring, an inner ring and a crossed roller set, the outer ring is fixed in the mounting seat, the inner wall of the outer ring is provided with a first V-shaped channel, the outer wall of the inner ring is provided with a second V-shaped channel, and the crossed roller set is fixed in the mounting seat; the first V-shaped channel and the second V-shaped channel are combined to form a roller path for accommodating the crossed roller group, and a sealing ring is arranged at an annular gap between the two end surfaces of the outer ring and the inner ring; the lubricating assembly comprises a valve cavity formed in the outer ring, a lubricating flow channel communicating with the valve cavity and a distributor located at an outlet of the lubricating flow channel, and a valve element is arranged in the valve cavity. By arranging the lubricating assembly, lubricating oil can be supplied to the crossed roller set in a self-adaptive mode according to the working temperature of the bearing, the surface of the crossed roller set is evenly covered with the seepage holes in the distributor in an infiltration mode, and an oil film is formed to achieve lubrication and heat dissipation.
Owner:HEBEI HONGDA LONGYE BEARING CO LTD
Non-contact mechanical sealing device for rolling bearing
The invention discloses a non-contact mechanical sealing device for a rolling bearing, and relates to the technical field of non-contact sealing, the non-contact mechanical sealing device comprises a sealing end shell, a mounting flange, a connecting end shell and a rotating shaft, the sealing end shell is internally provided with a sealing mechanism for realizing sealing of a connecting structure of the sealing end shell and the rotating shaft; a lubricating mechanism for promoting liquid in the sealing end shell to flow back and forth is arranged on the side face of the sealing mechanism. An outer liquid sealing mechanism used for supplementing lubricating oil in the sealing end shell in real time is installed on the front side of the sealing end shell, and a liquid conveying port is formed in the outer surface of the outer liquid sealing mechanism. The sealing mechanism comprises an inner sealing ring, an annular sealing structure is additionally arranged at the joint of the side face of the sealing end shell and the rotating shaft through the side sealing ring groove and the side wedge ring, a multi-stage sealing defense line is formed by the annular sealing structure and a main sealing interface, and the overall sealing reliability between the inner wall of the sealing end shell and the rotating shaft in the axial direction and the radial direction is further improved.
Owner:LIAONING HAOYU MASCH MFG CO LTD
Support frame for ct slip-ring bearing
Disclosed is a support frame of a CT imaging system, including: a connection flat plate portion; a support body portion disposed on the connection flat plate portion; an X-ray source installation reference portion disposed on the connection flat plate portion; an electrical installation portion; a cooling component installation portion; and a through hole, wherein the through hole is surrounded by the support body portion, the X-ray source installation reference portion, the electrical installation portion and the cooling component installation portion, and the through hole penetrates the connection flat plate portion. The connection flat plate portion, the support body portion, the X-ray source installation reference portion, the electrical installation portion and the cooling component installation portion are integrally formed.
Owner:NUCTECH CO LTD +1
Bearing bush magnetic circuit integrated structure with radial and axial composite vortex suppression slots
The invention belongs to the field of rotating machinery bearing engineering and magnetic circuit design, and discloses a bearing bush and magnetic circuit integrated structure with radial and axial composite vortex suppression slots. The partition magnetic conduction embedded blocks are embedded into the bearing bush body in an annular multi-sector array and are symmetrically arranged between the left end face and the right end face of the bearing bush body in the axial direction; the vortex suppression slits are arranged at equal intervals along the circumferential direction of the bearing bush body; the partition water paths are respectively arranged on the back sides of the partition magnetic guide embedded blocks; the compliant thin-wall area is a liquid film area arranged between the bearing bush body and the partitioned magnetic conduction insert block; the magnetic flux gathering windows are magnetic path areas with small magnetic resistance in the bearing bush body, and each partition magnetic conduction embedded block correspondingly forms one magnetic flux gathering window and is distributed in the bearing bush body on the back side of the partition magnetic conduction embedded block. The adjustable shielding sheet is parallel to the surface of the bearing bush body and arranged in the axial center area of the bearing bush body.
Owner:DALIAN UNIV OF TECH
Ram air fan including bimetalic additively manufactured heat exchanger insert
A ram air journal bearing shaft includes an additively manufactured body having a main body portion and a journal bearing portion. The main body portion and the journal bearing portion are coaxial along a first axis. The additively manufactured body includes at least a first set of regions additively manufactured using a first material and a second set of regions additively manufactured using a second material. At least a first set of heat exchanger fins extends from an outer diameter of the ram air journal bearing shaft to an inner diameter tie rod passage. Each heat exchanger fin in the first set of heat exchanger fins is additively manufactured as an integral structure to the additively manufactured body. A set of cooling air passages are disposed circumferentially about the first axis. Each cooling air passage is defined between adjacent heat exchanger fins of the first set of heat exchanger fins and the ram air journal bearing shaft is configured such that a cooling flowpath through the cooling air passages is established.
Owner:HAMILTON SUNDSTRAND CORP
Axial force supporting component of organic working medium turbine
The invention discloses an organic working medium turbine axial force supporting component which comprises a hydraulic thrust disc, thrust pads, oil sprayers, a thrust base ring and a clamping ring, the multiple thrust pads are evenly distributed in the circumferential direction and supported on the thrust base ring through protruding edges at the bottoms of the thrust pads, and the oil sprayers are fastened to the thrust base ring and located between the thrust pads. A plurality of middle oil injection holes for supplying lubricating oil to the middles of the pads are formed in the top of the oil injector in the radial direction, inclined planes are arranged on the two sides of the oil injector, outer inclined plane oil injection holes and inner inclined plane oil injection holes for supplying cooling oil are formed in the inclined planes, end discharge grooves are formed in the positions, close to the inner diameter, of the thrust pads, and oil blocking dams are formed between the end discharge grooves and the inner diameter of the thrust pads in the radial direction. And the end discharge chute is communicated with a cooling hole arranged in the thrust pad. The stirring loss of lubricating oil gathered between the inner diameter of the thrust pad and the rotating shaft is avoided, the high-temperature area of the thrust pad is cooled through low-temperature lubricating oil discharged along the inner diameter end of the thrust pad, and the bearing capacity of the axial force supporting component of the organic working medium turbine is improved.
Owner:DONGFANG TURBINE CO LTD
Liquid metal bearing for CT bulb tube
The liquid metal bearing for the CT bulb tube comprises a shaft body, a sleeve body and liquid metal, the sleeve body comprises a shaft sleeve, an annular end cover and a sealing sleeve, the shaft body is sequentially provided with an outer section, an annular boss section and an inner section, and molybdenum coatings are arranged on the surface of the inner section and the inner surface of the shaft sleeve respectively. According to the liquid metal bearing for the CT bulb tube, the wettability of the molybdenum coating and liquid metal in the bearing is good, the lubricity of the bearing in the rotating process can be guaranteed, a base material of the bearing can be made of materials such as titanium-aluminum alloy or austenitic stainless steel with lower cost, and the cost is lower; by arranging the anti-wetting coating, the effect of containing the liquid metal is achieved, and therefore leakage of the liquid metal between different fixed parts and at the interface between the fixed part and the rotatable part is prevented.
Owner:JIAXING NBG ELECTRIC CO LTD
Turntable bearing with cooling function used in special field
The utility model relates to a turntable bearing with a cooling function, which is used in the special field, and effectively solves the problems in the prior art that the performance of the whole machine is reduced and even faults occur due to the lack of effective cooling measures under high temperature or extreme conditions of the traditional turntable bearing, and the damage of corrosive gas to the bearing in a special environment. The turntable bearing comprises an outer ring, an inner ring and a seat ring, the outer ring is arranged on the outer diameter face of the inner ring in a sleeving mode and fixed to the top end of the seat ring through a connecting piece, a first sealing ring is installed between the outer ring and the inner ring, a second sealing ring is installed between the inner ring and the seat ring, a first cooling groove is formed in the inner diameter face of the inner ring, and a second cooling groove is formed in the lower end of the seat ring. According to the bearing, heat generated when machines around the bearing work can be effectively reduced, the situation that the whole machine breaks down due to high temperature is prevented, and meanwhile damage of corrosive gas to the interior of the bearing is effectively reduced.
Owner:ZYS INT CO LTD
A guide bearing inner circulation structure
The application discloses a guide bearing inner circulation structure and belongs to the technical field of generators, which comprises an oil tank, a cooler, a bearing seat, guide bearing pads and a sliding rotor, and is characterized in that it further comprises a viscous pump plate and a guide pad support ring, the viscous pump plate is fixed at the bottom of the guide pad support ring, the viscous pump plate corresponds to the lower plane of the sliding rotor, an oil collecting cavity is arranged on the guide pad support ring, a plurality of radial oil guiding holes are arranged on the outer side of the oil collecting cavity, the radial oil guiding holes are communicated with the oil collecting cavity, an oil injection pipe is arranged between two adjacent guide bearing pads, the upper part of the radial oil guiding hole is communicated with the oil injection pipe, and a drain port is formed on the bearing seat. The application circulates lubricating oil by using the viscous pump principle, directly introduces the lubricating oil into the cooler through the drain port formed at the rear end of the bearing seat, greatly shortens the lubricating oil path, adopts the direct injection lubrication structure for the lubrication of the guide bearing pad, effectively improves the cooling effect and the cooling efficiency of the guide bearing pad, and has a good inhibitory effect on the generation of oil groove oil mist.
Owner:DONGFANG ELECTRIC MACHINERY
Bearing device and electric vertical take-off and landing aircraft
A first seal and a second seal seal an annular space between an outer ring and an inner ring by sandwiching a retainer. A stator including a coil is supported by the first seal and is opposed to a magnetic ring. A sensor, a wireless communication circuit, and a power supply circuit are supported by the second seal. A wire electrically connects the coil and the power supply circuit. The wire includes a part disposed in a groove extending in an axial direction of a bearing on an outer peripheral surface of the outer ring.
Owner:NTN CORP
Motor shell, motor and vehicle
ActiveCN223285702UElectric machinesCooling/ventillation arrangementFluid transportElectric machinery
The embodiment of the utility model provides a motor shell, a motor and a vehicle. The motor shell comprises a body part, a pumping device, a filtering device and a cooling device. The body part is cylindrical and forms a containing space for containing the motor in an enclosing mode, and meanwhile the motor is supported and protected. The pumping device is located on the body part and used for providing power for fluid transportation. The filtering device is located on the body part and used for filtering impurities in the fluid, and therefore abrasion and damage of the impurities to parts are reduced. The cooling device is located on the body part and comprises a cooling medium, the cooling medium is used for exchanging heat with fluid, and the fluid enters the motor again to cool the motor after being cooled. Wherein the filtering device, the pumping device and the cooling device are sequentially distributed along the peripheral side of the body part, so that direct and efficient cooling of motor parts can be realized, and the heat dissipation effect of the motor is greatly improved. Meanwhile, the motor shell is only used for containing the motor and does not need to contain other equipment of the vehicle, and the shell space is saved.
Owner:CONTEMPORARY SYNLAND TECHNOLOGY CO LTD
Rotor bearing cooperative temperature control method
The invention discloses a rotor bearing cooperative temperature control method, which comprises the following steps of: acquiring rotor bearing end face hot spot region information, millimeter-level spatial resolution local temperature field distribution information and vibration spectrum and local temperature information, and fusing to generate rotor bearing global temperature field model information; according to the rotor bearing global temperature field model information, a double closed-loop control system is operated or a phase change microcapsule coolant is triggered; when the double-closed-loop control system is operated, the viscosity and the flow of lubricating oil are adjusted, and / or the flow of cooling water is dynamically distributed through a variable nozzle array, and operation data of the double-closed-loop control system are output; when the phase change microcapsule coolant is triggered, the rotor bearing is subjected to point-shaped cooling; and running data of the double-closed-loop control system is subjected to deep reinforcement learning dynamic optimization and fault mode knowledge graph pre-judgment and then is transmitted back to the double-closed-loop control system. The operation reliability and the service life of the rotor bearing can be remarkably improved.
Owner:四川工程职业技术大学
Tilting pad sliding bearing of steam turbine
The utility model relates to a tilting-pad sliding bearing of a steam turbine. The tilting-pad sliding bearing comprises a pad body, a pad block and an oil retainer, the multiple tile blocks are evenly distributed on the inner ring of the tile body in the circumferential direction, and the oil retaining rings are arranged on the two axial sides of the tile body. Two adjacent tiles are provided with mounting spaces in the circumferential direction of the inner rings of the tile bodies, shaft lubricating assemblies used for supplying oil to the positions between the tiles and the rotor are arranged in the mounting spaces, oil spraying holes are formed in the shaft lubricating assemblies, and the oil spraying holes are formed towards inlets in the oil inlet sides of the tiles; a jacking shaft device is arranged on the tile block at the bottom of the tile body inner ring and used for supporting the rotor; and the jacking shaft device adopts a one-way valve to supply oil to a jacking shaft oil bag through a tile block side wall channel. The bearing provided by the utility model can enhance the cooling effect of the pads, the temperature of an oil film is easier to adjust and control, and collision and abrasion caused by sudden loss of jacking oil pressure in the starting process can be avoided.
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD
Self-aligning roller bearing with heat dissipation structure
The invention provides a self-aligning roller bearing with a heat dissipation structure, and relates to the technical field of bearings, the self-aligning roller bearing comprises a bearing seat body and a bearing body; end covers are installed on the left side and the right side of the bearing seat body through bolts, heat dissipation holes are formed in the end covers in an annular array mode and are of a conical structure, and the diameter of the side, close to the bearing seat body, of each heat dissipation hole is larger than that of the side, away from the bearing seat body, of each heat dissipation hole. After the spiral oil storage cavity of the rolling body is filled with high-temperature lubricating grease, the lubricating grease can be automatically supplemented along with temperature, when the bearing operates and heats, the lubricating grease is heated to expand and seeps out through the micro oil outlet holes along a spiral path under the dual action of thermal expansion thrust and the rotating centrifugal force of the rolling body, the higher the temperature is, the more the lubricating grease flows out, and loss of a friction part is supplemented in time; and when the bearing stops rotating or is cooled, the lubricating grease shrinks, the outflow is reduced, and the residual oil returns to the cavity to be stored, so that the lubricating grease is released as required and the residual oil is recycled, the high-temperature lubricating effect is ensured, and excessive consumption of the lubricating grease is avoided.
Owner:SHANDONG YUJIE BEARING MFG CO LTD
Rail transit bearing with self-adaptive lubrication and efficient heat dissipation functions
The invention discloses a rail transit bearing with self-adaptive lubrication and efficient heat dissipation. The rail transit bearing comprises a shape memory alloy valve, a bearing body and a cooling sleeve, wherein a cooling flow channel is formed in the cooling sleeve; the cooling sleeve is arranged on the periphery of an outer ring of the bearing, an oil supplementing ring is arranged between the outer ring and an inner ring of the bearing, the shape memory alloy valve is fixed to the oil supplementing ring, an oil storage cavity and an oil outlet communicated with the oil storage cavity are defined by the shape memory alloy valve and the oil supplementing ring, and the oil outlet is opposite to a roller of the bearing. When the internal temperature of the bearing is not higher than a first threshold value, the shape memory alloy valve is in a closed state, and the oil outlet hole is closed; and when the internal temperature of the bearing is not lower than a second threshold value, the shape memory alloy valve is in an open state, and the oil outlet is opened at the moment. Lubricating grease is stored through the oil storage cavity, and oil supply is controlled through opening and closing of the shape memory alloy valve. Heat exchange is carried out through the cooling sleeve and the bearing, heat accumulation is avoided, it is guaranteed that the bearing can operate within a proper temperature range, and normal operation of the bearing is guaranteed from the two aspects of lubrication and heat dissipation.
Owner:CRRC DALIAN INST CO LTD
Durable automobile bearing seat forge piece
ActiveCN223648349UBearing coolingBearing unit rigid supportAutomotive engineeringManufacturing engineering
The utility model is suitable for the technical field of bearing seats, and provides a durable automobile bearing seat forge piece which comprises an outer ring. The retainer is arranged in the outer ring, a plurality of balls are arranged on the retainer, and the balls are in contact with the inner wall of the outer ring; the inner ring is assembled in the retainer; the heat dissipation mechanism is arranged on the outer ring and is used for dissipating heat in the outer ring; and the lubricating mechanism is arranged on the outer ring and is used for lubricating the balls. The durable automobile bearing seat forge piece provided by the scheme is good in heat dissipation effect, the failure rate caused by the poor heat dissipation effect on the whole is reduced, and therefore the whole durability is enhanced.
Owner:FUJIAN JINGCHENG FORGING CO LTD
Angular contact ball bearings
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG
Thermally adaptive bump foil of a gas foil bearing
A component of a gas foil bearing (110), having a plurality of material layers forming a composition gradient that defines a first coefficient of thermal expansion (CTE) and a second CTE that differs from the first CTE, wherein the plurality of material layers include at least two dissimilar metals, plastics, or fiber filled metals or plastics, that are layered on top of each other, and wherein when the component is subject to heating, the component changes from a first shape to a second shape, and wherein the component is a bump foil (130).
Owner:HAMILTON SUNDSTRAND CORP
Highly versatile adjustable bearing block
The application discloses a high-applicability adjustable bearing seat and relates to the field of bearing seats.The bearing seat body is provided with an external reserved butt joint at the upper end;an internal liquid storage cavity is formed in the inner side of the upper end of the bearing seat body;the upper end of the inner wall of the bearing seat body is provided with a reserved supply channel, and the reserved supply channel and the inner side of the internal liquid storage cavity are connected with each other;and the upper end surface of the bearing seat body is provided with a supply reserved pipe.The high-applicability adjustable bearing seat is provided with an auxiliary guiding structure, the internal lubrication state of the bearing seat body is adaptively controlled through the auxiliary guiding structure, and along with the high-speed operation state of the equipment, the oil liquid stored in the internal liquid storage cavity is adaptively used for self-lubricating treatment in cooperation with the opening and closing state of the reserved supply channel;in the process that the end bearing is conducted at a high speed, the high-heat abrasion is avoided, and the speed of bearing transmission in the equipment is not affected.
Owner:FULE PRECISION MACHINERY (DONGTAI) CO LTD
Heat dissipation assembly and centrifugal extractor
The utility model belongs to the field of liquid-liquid extraction separation, and particularly relates to a heat dissipation assembly and a centrifugal extractor. In order to improve the heat dissipation capability, the maximum rotating speed and the service life of the centrifugal extractor, the utility model provides the heat dissipation assembly and the centrifugal extractor comprising the heat dissipation assembly. The heat dissipation assembly comprises a bearing seat and a transmission shaft, the transmission shaft is an output shaft of the rotary power source or a rotary drum rotating shaft in transmission connection with the output shaft of the rotary power source, the bearing seat comprises a bearing sleeve used for installing and supporting a bearing, and a supporting seat is further arranged on one axial side of the bearing sleeve and comprises a fan blade installation cavity. Fan blades which are installed on the transmission shaft and synchronously rotate along with the transmission shaft are arranged in the fan blade installation cavity, an air inlet and an air outlet are further formed in the side wall of the fan blade installation cavity, and the air outlet or the air inlet is arranged towards the bearing sleeve. The fan blades are used for air-cooling the bearing sleeve, so that the heat dissipation capability and the maximum rotating speed of the centrifugal extractor can be effectively improved, and the service life can be effectively prolonged.
Owner:ZHENGZHOU TIANYI EXTRACTION TECH
Bearing lubricating and cooling device
ActiveCN224214589UImprove lubrication and cooling effectsLubrication elementsBearing coolingOil canCooling effect
The utility model provides a bearing lubricating and cooling device which comprises a bearing assembly, a bearing seat used for installing a bearing is arranged in the bearing assembly, and a group of bearing grooves are formed in the rear side face of the bearing seat in a vertical penetrating mode. The two lubricating and cooling assemblies are symmetrically mounted on the front side and the rear side of the bearing seat, lubricating oil is guided into the two lubricating and cooling assemblies and sprayed out to the rotating part of the bearing through the multiple lubricating holes, and a cooling medium is guided into the two lubricating and cooling assemblies through the cooling guide pipe and guided out through the cooling annular groove to cool an inner ring of the bearing. And a cooling medium is guided into the cooling transfer groove and transmits and cools the mounting position of the bearing outer ring through the cooling communication groove, so that the lubricating and cooling effects can be improved, the bearing assembly is additionally arranged, lubricating oil is collected through the collecting groove after being used, and therefore auxiliary recycling of the lubricating oil can be achieved.
Owner:SUZHOU JIGUANG MOLDING MFG CO LTD
Cryogenic expansion turbine with magnetic bearings
The cryogenic expansion turbine system (10) includes a turboexpander (12) configured to receive and expand a cryogenic gas supply stream (24). A rotating shaft (16) operatively connects the turboexpander to a compressor (14) or a resistance device, such as a braking device. A bearing housing (18) has a bearing cooling fluid inlet port and a bearing cooling fluid outlet port. Electromagnetic bearings (22) are disposed within the bearing housing and rotatably support the rotating shaft. A bearing cooling circuit (72) directs a flow of bearing cooling fluid (62) through the bearing cooling fluid inlet port and into the bearing housing, thereby cooling the electromagnetic bearings, and the resulting warmed bearing cooling fluid (68) exits the bearing housing through the cooling fluid outlet port.
Owner:CHART ENERGY & CHEMICALS INC
Porous heat dissipation type bearing seat
The invention discloses a porous heat dissipation type bearing pedestal, and belongs to the technical field of bearing pedestals, the bearing pedestal comprises a mounting frame, a sealing side plate, a through hole and an air blowing assembly, a rotating inner ring in the air blowing assembly can drive the rotating inner ring to rotate through friction force when an inner ring body rotates, and then a plurality of fan blades can rotate; according to the bearing cooling device, air is blown to bearing steel balls between an outer ring body and an inner ring body, so that the effect of cooling the bearing steel balls can be achieved, the heat dissipation effect on a bearing is better, an outer threaded pipe can move in the direction of a mounting frame through a rotating hexagonal cap in an adjusting assembly, and the bearing cooling effect is improved. And the rotating inner ring can move in the direction of the mounting frame as well to be attached to the outer wall of the inner ring body through the sliding convex ring, so that the rotating inner ring is driven to rotate when the inner ring body rotates, then the fan blades rotate to generate wind power for heat dissipation, and the situation that the rotating inner ring and the inner ring body are not in tight contact, and consequently rotation cannot be achieved is avoided.
Owner:XIANGSHUI HAIHENG MASCH EQUIP CO LTD
Organic working fluid turbine axial force support member
The application discloses an organic working medium turbine axial force supporting component, which comprises a hydraulic thrust disc, thrust pads, an oil sprayer, a thrust base ring and a snap ring, the thrust pads are uniformly distributed in the circumferential direction and are supported on the thrust base ring through the convex edges at the bottom of the thrust pads, the oil sprayer is fastened on the thrust base ring and is located between the thrust pads, a plurality of middle oil injection holes for supplying oil for lubricating the middle part of the thrust pads are formed in the top of the oil sprayer in the radial direction, the two sides of the oil sprayer are provided with inclined surfaces, and outer inclined surface oil injection holes and inner inclined surface oil injection holes for supplying cooling oil are arranged on the inclined surfaces, end leakage grooves are arranged at the position close to the inner diameter of the thrust pads, an oil dam is formed between the end leakage grooves and the inner diameter of the thrust pads in the radial direction, and the end leakage grooves are communicated with the cooling holes arranged in the thrust pads. The application avoids the stirring loss of the lubricating oil accumulated between the inner diameter of the thrust pads and the rotating shaft, realizes the cooling of the high-temperature area of the thrust pads by using the low-temperature lubricating oil leaked from the inner diameter end of the thrust pads, and improves the carrying capacity of the organic working medium turbine axial force supporting component.
Owner:DONGFANG TURBINE CO LTD