CN110966311B - High-pressure-resistant maintenance-free PEEK sliding bearing - Google Patents
High-pressure-resistant maintenance-free PEEK sliding bearing Download PDFInfo
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- CN110966311B CN110966311B CN201911407891.1A CN201911407891A CN110966311B CN 110966311 B CN110966311 B CN 110966311B CN 201911407891 A CN201911407891 A CN 201911407891A CN 110966311 B CN110966311 B CN 110966311B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
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- General Engineering & Computer Science (AREA)
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a high-pressure-resistant maintenance-free PEEK sliding bearing, which comprises a sliding component, a transmission component and a refrigeration component, wherein the sliding component is a main body of the device, the transmission component is fixedly arranged in the sliding component, one end of the transmission component is fixedly provided with the refrigeration component, the PEEK sliding bearing is scientific and reasonable and is safe and convenient to use, an upper pressing block rotates to the position of an upper fixed block to generate thrust on the upper fixed block and a lower pressing block rotates to the position of a lower fixed block to generate thrust on the lower fixed block by utilizing the characteristic that an outer ring and an inner ring rotate relatively, the upper pressing block reciprocates circularly to enable a magnet fixed between the upper fixed block and the lower fixed block and a wire coil to perform cutting magnetic induction line movement ceaselessly, the coil generates current to drive a semiconductor refrigeration piece to refrigerate, so that the bearing operated at high pressure can achieve a good cooling effect, and the upper fixed block and, is beneficial to the long-term use of the device.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a high-pressure-resistant maintenance-free PEEK sliding bearing.
Background
The sliding bearing is a mechanical part with extremely wide application range in the mechanical industry, the sliding bearing works under sliding friction, the sliding bearing works stably, reliably and noiselessly, under the condition of liquid lubrication, the sliding surface is separated by lubricating oil without direct contact, the friction loss and the surface abrasion can be greatly reduced, the sliding bearing has a plurality of types, the sliding bearing can be divided into a radial sliding bearing and a thrust sliding bearing according to the direction capable of bearing load, the application occasion of the sliding bearing is generally under the condition of low-speed heavy-load working condition or the operation part which is difficult to maintain and fill the lubricating oil, the domestic methods of repair welding, shaft sleeve embedding, pitting and the like are generally adopted aiming at the sliding bearing abrasion, the high temperature generated by the sliding bearing in the prior art under the high-pressure working state can greatly reduce the service life of the bearing, so the bearing needs to be maintained regularly, and the maintenance effect is not good enough, therefore, a high-pressure-resistant maintenance-free PEEK sliding bearing is required to solve the problems.
Disclosure of Invention
The invention aims to provide a high-pressure-resistant maintenance-free PEEK sliding bearing to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a high pressure resistant non-maintaining PEEK slide bearing, includes sliding assembly, drive assembly, refrigeration subassembly, sliding assembly is the main part of this device, sliding assembly plays the effect of supporting drive disk assembly, reduces frictional force, the inside fixed mounting of sliding assembly has drive assembly, drive assembly transmits the power of the relative rotary motion of sliding assembly for refrigeration subassembly, drive assembly one end fixed mounting has refrigeration subassembly, refrigeration subassembly can produce the cooling effect to sliding assembly, makes sliding assembly still can keep the low temperature under high pressure operational environment, reinforcing slide bearing's non-maintaining effect.
The sliding assembly comprises an outer ring, an inner ring, a limiting ring and a shaft hole, wherein the inner ring is positioned in the center of the whole device and plays a role of supporting an external transmission component, the limiting ring is arranged on the outer side of the inner ring and is a protruding circular limiting ring, the limiting ring plays a limiting role between the outer ring and the inner ring, the outer ring and the inner ring are clamped mutually, and the phenomenon that one party falls off is caused due to the fact that transverse displacement cannot occur between the outer ring and the inner ring, so that the stability of the bearing in the using process is ensured, the shaft hole is formed in the center of the inner ring, the external transmission component is convenient to insert into the shaft hole, and a transmission effect is.
The transmission assembly comprises an upper transmission assembly, a lower transmission assembly and a connecting block, wherein the connecting block is fixedly arranged in the middle of one side of the outer ring, the upper transmission assembly is arranged on one side of the connecting block, the lower transmission assembly is arranged on one side of the connecting block away from the upper transmission assembly, the upper transmission assembly and the lower transmission assembly urge the magnet to reciprocate in the wire coil in the connecting block, and the cutting magnetic induction wire moves to enable the wire coil to generate current.
The upper transmission component comprises an upper pressing block, an upper fixing block, an upper expansion plate and springs, wherein the upper pressing block is fixedly arranged on the side wall of one end of the inner ring, a slotted hole is formed in the edge of one end, close to the upper pressing block, of the connecting block, the springs are fixedly arranged in the slotted holes, a plurality of springs are arranged, one end, close to the slotted hole outlet, of each spring is fixedly provided with the upper expansion plate, a plurality of upper expansion plates are arranged, one end, far away from the springs, of each upper expansion plate is fixedly provided with the upper fixing block, one end, far away from the connecting block, of each upper fixing block is a smooth curved surface, one end, close to the connecting block, of each upper fixing block is a plane, the plane end of each upper fixing block and the plane end of each upper pressing block are on the same plane, so that when the upper fixing blocks are in contact with, the contact surface of the upper pressing block and the upper fixing block is a smooth curved surface with small gradient, so that the resistance to relative rotation between the outer ring and the inner ring when the upper pressing block is in contact with the upper fixing block is small, when friction is generated between the upper pressing block and the upper fixing block, the upper pressing block can push the upper fixing block downwards, the upper fixing block can push the upper expansion plate into a vertical hole groove formed in the upper part of the connecting block, the vertical hole groove and the upper expansion plate play a role in maintaining the movement direction of the upper fixing block, so that the upper fixing block can only move towards the direction vertical to the upper surface of the connecting block, the upper fixing block drives the upper expansion plate to move and simultaneously drives the magnet to move towards the lower fixing block inside the connecting block, the magnet moves towards the lower fixing block, magnetic induction line cutting movement is performed between an electric wire coil inside the connecting block and the magnet, current is generated in the coil at the moment, the magnet drives, in the process, the outer ring and the inner ring always keep rotating in opposite directions, when the lower fixed block falls to one end of the bearing close to the lower fixed block, the lower pressing block is in contact with the lower fixed block, the lower pressing block generates thrust in the direction of the upper fixed block on the lower fixed block, under the dual action of the thrust and inertia, the magnet and the wire coil do cutting magnetic induction line motion again, the wire coil generates current, then the upper pressing block rotates to the position of the upper fixed block and generates the thrust on the upper fixed block, the lower pressing block rotates to the position of the lower fixed block and generates the thrust on the lower fixed block, the magnetic induction line cutting motion is continuously performed between the magnet and the wire coil, the faster the bearing rotates, the higher the bearing pressure is, the more heat is generated, the higher the magnetic induction line cutting frequency is, the higher the current generated by the wire coil is, the higher the working efficiency of the semiconductor refrigerating sheet is, and the better the cooling effect on, the bearing operated under high pressure can achieve good cooling effect.
The upper transmission assembly comprises a lower pressing block, a lower fixing block, a lower expansion plate and springs, the side wall of one end of the inner ring, which is far away from the upper transmission assembly, is fixedly provided with the lower pressing block, the edge of one end of the connecting block, which is far away from the upper transmission assembly, is provided with a slotted hole, the springs are fixedly arranged in the slotted holes, the ends, which are close to the slotted hole outlet, of the springs are fixedly provided with the lower expansion plate, the lower expansion plate is provided with a plurality of lower fixing blocks, the end, which is far away from the springs, of the lower expansion plate is fixedly provided with the lower fixing block, one end, which is far away from the connecting block, is a smooth curved surface, one end, which is close to the connecting block, of the lower fixing block is a plane, the plane end of the lower fixing block and the plane end of the lower pressing block are on, the upper pressing block and the upper fixing block can generate contact friction, the contact surface of the upper pressing block and the upper fixing block is a smooth curved surface with a small gradient, so that the resistance to relative rotation between the outer ring and the inner ring when the upper pressing block is in contact with the upper fixing block is small, when the upper pressing block and the upper fixing block generate friction, the upper pressing block can push the upper fixing block downwards, the upper fixing block pushes the upper expansion plate into a vertical hole groove formed in the upper part of the connecting block, the vertical hole groove and the upper expansion plate play a role in maintaining the motion direction of the upper fixing block, so that the upper fixing block can only move towards the direction vertical to the upper surface of the connecting block, the upper fixing block drives the upper expansion plate to move, meanwhile, the magnet can also be driven to move towards the direction of the lower fixing block inside the connecting block, the magnet moves towards the direction of the lower fixing block, magnetic induction line cutting motion is performed, at the moment, the magnet drives the lower fixed block to fall to one end of the bearing close to the lower fixed block, in the process, the outer ring and the inner ring always keep rotating in opposite directions, when the lower fixed block falls to one end of the bearing close to the lower fixed block, the lower pressing block is contacted with the lower fixed block, the lower pressing block generates thrust in the direction of the upper fixed block to the lower fixed block, under the double actions of the thrust and inertia, the magnet and the wire coil do cutting magnetic induction line motion again, the wire coil generates current, then the upper pressing block rotates to the position of the upper fixed block and generates thrust to the upper fixed block, the lower pressing block rotates to the position of the lower fixed block and generates thrust to the lower fixed block again, the circular reciprocating motion is realized, the cutting magnetic induction line motion is ceaselessly performed between the magnet and the wire coil, the faster the bearing rotation is, the larger the bearing pressure is, the generated heat is more, and the cutting frequency of, the higher the work efficiency of the semiconductor refrigerating sheet is, the better the cooling effect of the bearing is, so that the bearing operated at high pressure can achieve a good cooling effect.
The center of the connecting block is provided with a through hole, a fixing ring is fixedly arranged in the through hole, an electric wire coil is wound on the outer side wall of the fixing ring, a semiconductor refrigerating sheet is fixedly arranged in the outer ring, a plurality of semiconductor refrigerating sheets are arranged in the outer ring, the electric wire coil is electrically connected with the semiconductor refrigerating sheet through an electric wire, in the operation process of the device, the outer ring and the inner ring always keep rotating in opposite directions, when the lower fixing block falls to one end of the bearing close to the lower fixing block, the lower pressing block is contacted with the lower fixing block, the lower pressing block generates thrust in the direction of the upper fixing block to the lower fixing block, under the dual action of the thrust and the inertia, the magnet and the electric wire coil do cutting magnetic induction line motion again, the electric wire coil generates current, then the upper pressing block rotates to the position of the upper fixing block, then the upper fixing block generates thrust, the lower pressing, the circulation is reciprocal, does cutting magnetic induction line motion between magnet and the electric wire coil ceaselessly to the bearing rotates faster, and bearing pressure is big more, and the heat of production is more, and magnetic induction line cutting frequency is big more simultaneously, and the electric current that the electric wire coil produced is big more, and the work efficiency of semiconductor refrigeration piece is high more, and is better to the cooling effect of bearing, makes the bearing of high-pressure operation can reach fine cooling effect.
The outer lane is the outer lane of PEEK material, the inner circle is the inner circle of PEEK material, and the PEEK material has corrosion-resistant, the rigidity is strong and wear-resisting characteristics, makes the bearing have better wearability and high pressure resistance, makes the bearing reach non-maintaining effect.
Compared with the prior art, the invention has the beneficial effects that:
the device utilizes the characteristic that the outer ring 11 and the inner ring 12 rotate relatively, the upper press block 21 rotates to the position of the upper fixed block 22 to generate thrust to the upper fixed block 22, the lower press block 25 rotates to the position of the lower fixed block 26 to generate thrust to the lower fixed block 26, and the thrust is circularly reciprocated, so that the magnet 31 and the wire coil 32 which are fixed between the upper fixed block 22 and the lower fixed block 26 do cutting magnetic induction line movement ceaselessly, the faster the bearing rotates, the higher the bearing pressure is, the more the generated heat is, the higher the cutting frequency of the magnetic induction line is, the higher the current generated by the wire coil 32 is, the higher the working efficiency of the semiconductor refrigeration sheet 34 is, the better the cooling effect on the bearing is, the bearing which operates at high pressure can achieve good cooling effect, the upper fixed block 22 and the lower fixed block 26 also play a role in protecting the magnet 31, and the magnet is prevented from being directly contacted with the upper, avoid magnet damage, be favorable to the long-term use of this device.
Drawings
FIG. 1 is a schematic structural diagram of the appearance of a main body of a high-pressure-resistant maintenance-free PEEK sliding bearing of the present invention;
FIG. 2 is a schematic sectional view of a high pressure-resistant maintenance-free PEEK sliding bearing according to the present invention;
FIG. 3 is a schematic sectional view of a PEEK sliding bearing of the present invention;
FIG. 4 is a schematic structural diagram of the installation position relationship between magnets and connecting blocks of the high-pressure-resistant maintenance-free PEEK sliding bearing of the invention;
FIG. 5 is a schematic top view of a PEEK sliding bearing of the present invention;
fig. 6 is an enlarged schematic view of the structure of the area a in fig. 4 of the PEEK sliding bearing with high pressure resistance and maintenance-free performance of the present invention.
11. An outer ring; 12. an inner ring; 13. a limiting ring; 14. a shaft hole; 21. pressing the blocks; 22. an upper fixed block; 23. an upper expansion plate; 24. a spring; 25. pressing the block; 26. a lower fixed block; 27. a lower expansion plate; 28. connecting blocks; 31. a magnet; 32. a wire coil; 33. a stationary ring; 34. semiconductor refrigeration piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1-6, a high pressure resistant maintenance-free PEEK sliding bearing, including the sliding subassembly, the transmission assembly, refrigeration subassembly, the sliding subassembly is the main part of this device, the sliding subassembly plays the effect of supporting drive disk assembly, reduce frictional force, the inside fixed mounting of sliding subassembly has the transmission assembly, the transmission assembly transmits the power of the relative rotary motion of sliding subassembly for refrigeration subassembly, transmission assembly one end fixed mounting has refrigeration subassembly, refrigeration subassembly can produce the cooling effect to sliding subassembly, make sliding subassembly still can keep the low temperature under high pressure operational environment, reinforcing sliding bearing's maintenance-free effect.
The sliding assembly comprises an outer ring 11, an inner ring 12, a limiting ring 13 and a shaft hole 14, wherein the inner ring 12 is positioned in the center of the whole device and plays a role of supporting an external transmission component, the limiting ring 13 is arranged on the outer side of the inner ring 12, the limiting ring 13 is a protruding circular limiting ring 13, the limiting ring 13 plays a role of limiting the space between the outer ring 11 and the inner ring 12, the outer ring 11 and the inner ring 12 are mutually clamped, the phenomenon that one of the outer ring and the inner ring falls off due to mutual transverse displacement cannot be generated, the stability of the bearing in the using process is ensured, the shaft hole 14 is formed in the center of the inner ring 12, the shaft hole 14 is convenient for the external transmission component to insert.
The transmission assembly comprises an upper transmission assembly, a lower transmission assembly and a connecting block 28, the connecting block 28 is fixedly mounted in the middle of one side of the outer ring 11, the upper transmission assembly is arranged on one side of the connecting block 28, the lower transmission assembly is arranged on one side, far away from the upper transmission assembly, of the connecting block 28, the upper transmission assembly and the lower transmission assembly urge the magnet 31 to reciprocate in the wire coil 32 in the connecting block 28 to perform cutting magnetic induction line movement, and the wire coil 32 is enabled to generate current.
The upper transmission component comprises an upper pressing block 21, an upper fixing block 22, an upper expansion plate 23 and springs 24, wherein the side wall of one end of the inner ring 12 is fixedly provided with the upper pressing block 21, the edge of one end of the connecting block 28, which is close to the upper pressing block 21, is provided with a slotted hole, the springs 24 are fixedly arranged in the slotted holes, a plurality of springs 24 are arranged, one end of each spring 24, which is close to a slotted hole outlet, is fixedly provided with the upper expansion plate 23, the upper fixing block 22 is fixedly arranged at one end of the upper expansion plate 23, which is far away from the spring 24, the end of the upper fixing block 22, which is far away from the connecting block 28, is a smooth curved surface, one end of the upper fixing block 22, which is close to the connecting block 28, is a plane, the plane end of the upper fixing block 22 and the plane end of the upper pressing block 21 are on the, the upper pressing block 21 and the upper fixing block 22 generate contact friction, the contact surface of the upper pressing block 21 and the upper fixing block 22 is a smooth curved surface with a small gradient, so that the resistance to the relative rotation between the outer ring 11 and the inner ring 12 when the upper pressing block 21 and the upper fixing block 22 are in contact is small, when the upper pressing block 21 and the upper fixing block 22 generate friction, the upper pressing block 21 can push the upper fixing block 22 downwards, the upper fixing block 22 pushes the upper expansion plate 23 into a vertical hole groove formed in the upper part of the connecting block 28, the vertical hole groove and the upper expansion plate 23 play a role in maintaining the movement direction of the upper fixing block 22, so that the upper fixing block 22 can only move in the direction perpendicular to the upper surface of the connecting block 28, the upper fixing block 22 drives the upper expansion plate 23 to move, meanwhile, the magnet 31 can also drive the magnet 31 to move in the direction of the lower fixing block 26 in the connecting block 28, the magnet 31 moves in the direction of the lower fixing block 26, and, at the moment, current is generated in the coil, the magnet 31 drives the lower fixed block 26 to fall to one end of the bearing close to the lower fixed block 26, in the process, the outer ring 11 and the inner ring 12 always keep rotating in opposite directions, when the lower fixed block 26 falls to one end of the bearing close to the lower fixed block 26, the lower pressing block 25 is in contact with the lower fixed block 26, the lower pressing block 25 generates thrust in the direction of the upper fixed block 22 on the lower fixed block 26, under the double action of thrust and inertia, the magnet 31 performs cutting magnetic induction movement with the wire coil 32 again, the wire coil 32 generates current, then the upper pressing block 21 rotates to the position of the upper fixed block 22, thrust is generated on the upper fixed block 22, the lower pressing block 25 rotates to the position of the lower fixed block 26, thrust is generated on the lower fixed block 26, the current is circularly reciprocated, the cutting magnetic induction movement is performed between the magnet 31 and the wire coil 32 ceaselessly, and the, the bearing pressure is big more, and the heat that produces is more, and magnetic induction line cutting frequency is big more simultaneously, and the electric current that wire coil 32 produced is big more, and semiconductor refrigeration piece 34's work efficiency is high more, and is better to the cooling effect of bearing for the bearing of high pressure operation can reach fine cooling effect.
The upper transmission component comprises a lower pressing block 25, a lower fixing block 26, a lower telescopic plate 27 and springs 24, wherein the side wall of one end of the inner ring 12, which is far away from the upper transmission component, is fixedly provided with the lower pressing block 25, the edge of one end of the connecting block 28, which is far away from the upper transmission component, is provided with a slotted hole, the inside of the slotted hole is fixedly provided with the springs 24, one ends of the springs 24, which are close to the slotted hole outlet, are fixedly provided with the lower telescopic plate 27, the lower telescopic plate 27 is provided with a plurality of lower telescopic plates, one end of the lower telescopic plate 27, which is far away from the springs 24, is fixedly provided with the lower fixing block 26, one end of the lower fixing block 26, which is far away from the connecting block 28, is a smooth curved surface, one end of the lower fixing block 26, which is close to the connecting block 28, is a plane, the plane end of the lower, the upper pressing block 21 and the upper fixing block 22 generate contact friction, the contact surface of the upper pressing block 21 and the upper fixing block 22 is a smooth curved surface with a small gradient, so that the resistance to the relative rotation between the outer ring 11 and the inner ring 12 when the upper pressing block 21 and the upper fixing block 22 are in contact is small, when the upper pressing block 21 and the upper fixing block 22 generate friction, the upper pressing block 21 can push the upper fixing block 22 downwards, the upper fixing block 22 pushes the upper expansion plate 23 into a vertical hole groove formed in the upper part of the connecting block 28, the vertical hole groove and the upper expansion plate 23 play a role in maintaining the movement direction of the upper fixing block 22, so that the upper fixing block 22 can only move in the direction perpendicular to the upper surface of the connecting block 28, the upper fixing block 22 drives the upper expansion plate 23 to move, meanwhile, the magnet 31 can also drive the magnet 31 to move in the direction of the lower fixing block 26 in the connecting block 28, the magnet 31 moves in the direction of the lower fixing block 26, and, at the moment, current is generated in the coil, the magnet 31 drives the lower fixed block 26 to fall to one end of the bearing close to the lower fixed block 26, in the process, the outer ring 11 and the inner ring 12 always keep rotating in opposite directions, when the lower fixed block 26 falls to one end of the bearing close to the lower fixed block 26, the lower pressing block 25 is in contact with the lower fixed block 26, the lower pressing block 25 generates thrust in the direction of the upper fixed block 22 on the lower fixed block 26, under the double action of thrust and inertia, the magnet 31 performs cutting magnetic induction movement with the wire coil 32 again, the wire coil 32 generates current, then the upper pressing block 21 rotates to the position of the upper fixed block 22, thrust is generated on the upper fixed block 22, the lower pressing block 25 rotates to the position of the lower fixed block 26, thrust is generated on the lower fixed block 26, the current is circularly reciprocated, the cutting magnetic induction movement is performed between the magnet 31 and the wire coil 32 ceaselessly, and the, the bearing pressure is big more, and the heat that produces is more, and magnetic induction line cutting frequency is big more simultaneously, and the electric current that wire coil 32 produced is big more, and semiconductor refrigeration piece 34's work efficiency is high more, and is better to the cooling effect of bearing for the bearing of high pressure operation can reach fine cooling effect.
A through hole is formed in the center of the connecting block 28, a fixing ring 33 is fixedly installed in the through hole, an electric wire coil 32 is wound on the outer side wall of the fixing ring 33, a semiconductor refrigerating sheet 34 is fixedly installed inside the outer ring 11, a plurality of semiconductor refrigerating sheets 34 are arranged, the electric wire coil 32 is electrically connected with the semiconductor refrigerating sheet 34 through an electric wire, in the operation process of the device, the outer ring 11 and the inner ring 12 always keep rotating in opposite directions, when the lower fixing block 26 falls to one end of the bearing close to the lower fixing block 26, the lower pressing block 25 is in contact with the lower fixing block 26, the lower pressing block 25 generates thrust in the direction of the upper fixing block 22 to the lower fixing block 26, under the double effects of the thrust and inertia, the magnet 31 performs cutting magnetic induction line motion with the electric wire coil 32 again, the electric wire coil 32 generates current, then the upper pressing block 21 rotates to the position of the upper fixing block 22, then generates thrust to the, and thrust is generated on the lower fixing block 26, the cutting magnetic induction line motion is performed between the magnet 31 and the electric wire coil 32 continuously, the faster the bearing rotates, the higher the bearing pressure is, the more heat is generated, the higher the magnetic induction line cutting frequency is, the larger the current generated by the electric wire coil 32 is, the higher the working efficiency of the semiconductor refrigerating sheet 34 is, the better the cooling effect on the bearing is, and the good cooling effect can be achieved by the high-pressure operated bearing.
The outer ring 11 is an outer ring 11 made of PEEK, the inner ring 12 is an inner ring 12 made of PEEK, and the PEEK has the characteristics of corrosion resistance, strong rigidity and wear resistance, so that the bearing has better wear resistance and high pressure resistance, and the bearing achieves the maintenance-free effect.
The working principle of the invention is as follows:
when the bearing is used, the outer ring 11 and the inner ring 12 rotate in opposite directions, the upper pressing block 21 and the upper fixing block 22 generate contact friction, the contact surface between the upper pressing block 21 and the upper fixing block 22 is a smooth curved surface with a small gradient, so that when the upper pressing block 21 contacts with the upper fixing block 22, the resistance to relative rotation between the outer ring 11 and the inner ring 12 is small, when friction is generated between the upper pressing block 21 and the upper fixing block 22, the upper pressing block 21 pushes the upper fixing block 22 downwards, the upper fixing block 22 pushes the upper expansion plate 23 into a vertical hole groove formed in the upper part of the connecting block 28, the vertical hole groove and the upper expansion plate 23 play a role in maintaining the movement direction of the upper fixing block 22, so that the upper fixing block 22 can only move in a direction perpendicular to the upper surface of the connecting block 28, and the upper fixing block 22 drives the upper expansion plate 23 to move and simultaneously drives the magnet 31 to move in the direction of the, the magnet 31 moves towards the direction of the lower fixed block 26, magnetic induction wire cutting motion is carried out between the wire coil 32 and the magnet 31 in the connecting block 28, current is generated in the coil at the moment, the magnet 31 drives the lower fixed block 26 to fall to one end of the bearing close to the lower fixed block 26 at the moment, in the process, the outer ring 11 and the inner ring 12 always keep rotating in opposite directions, when the lower fixed block 26 falls to one end of the bearing close to the lower fixed block 26, the lower pressing block 25 is in contact with the lower fixed block 26, the lower pressing block 25 generates thrust towards the upper fixed block 22 to the lower fixed block 26, under the double action of the thrust and inertia, the magnet 31 carries out cutting magnetic induction wire motion with the wire coil 32 again, the wire coil 32 generates current, then the upper pressing block 21 rotates to the position of the upper fixed block 22, then generates thrust towards the upper fixed block 22, the lower pressing block 25 rotates to the position of the lower fixed block 26, the circulation is reciprocal, does cutting magnetic induction line motion between magnet 31 and the electric wire coil 32 ceaselessly to the bearing rotates faster, and bearing pressure is big more, and the heat that produces is more, and magnetic induction line cutting frequency is big more simultaneously, and the electric current that electric wire coil 32 produced is big more, and semiconductor refrigeration piece 34's work efficiency is high more, and is better to the cooling effect of bearing, makes the bearing of high pressure operation can reach fine cooling effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a high pressure resistant maintenance-free PEEK slide bearing which characterized in that: including sliding element, transmission assembly, refrigeration subassembly, sliding element is the main part of this device, the inside fixed mounting of sliding element has transmission assembly, transmission assembly one end fixed mounting has refrigeration subassembly, sliding element includes outer lane (11), inner circle (12), spacing collar (13), shaft hole (14), inner circle (12) are located the central authorities of whole equipment, spacing collar (13) have been seted up in the inner circle (12) outside, shaft hole (14) have been seted up to inner circle (12) central authorities, transmission assembly includes transmission assembly, lower transmission assembly, connecting block (28), outer lane (11) one side middle part fixed mounting has connecting block (28), connecting block (28) one side is provided with transmission assembly, transmission assembly one side is provided with lower transmission assembly in keeping away from of connecting block (28).
2. A high pressure resistant maintenance free PEEK sliding bearing according to claim 1, characterized in that: go up the drive assembly and include briquetting (21), go up fixed block (22), go up expansion plate (23), spring (24), fixed mounting has last briquetting (21) on inner circle (12) one end lateral wall, connecting block (28) are close to briquetting (21) one end edge and have seted up the slotted hole, fixed mounting has spring (24) in the slotted hole, spring (24) have a plurality of, spring (24) are close to slotted hole export one end fixed mounting and have last expansion plate (23), it has a plurality of to go up expansion plate (23), it has last fixed block (22) to keep away from spring (24) one end fixed mounting to go up expansion plate (23), it is smooth curved surface to go up fixed block (22) and keep away from connecting block (28) one end, it is the plane to go up fixed block (22) and is close to connecting block (28) one end.
3. A high pressure resistant maintenance free PEEK sliding bearing according to claim 2, characterized in that: go up the drive assembly and include briquetting (25), lower fixed block (26), lower expansion plate (27), spring (24), inner circle (12) are kept away from and are transmitted on the subassembly one end lateral wall fixed mounting and have briquetting (25) down, drive assembly one end edge has seted up the slotted hole on connecting block (28) are kept away from, slotted hole internal fixation has spring (24), spring (24) have a plurality of, spring (24) are close to slotted hole export one end fixed mounting and have lower expansion plate (27), expansion plate (27) have a plurality of down, expansion plate (27) keep away from spring (24) one end fixed mounting down fixed block (26) down, connecting block (28) one end is kept away from down fixed block (26) is smooth curved surface, fixed block (26) are close to connecting block (28) one end down and are the plane.
4. A high pressure resistant maintenance free PEEK sliding bearing according to claim 1, characterized in that: the perforation has been seted up to connecting block (28) central authorities, fixed mounting has retainer plate (33) in the perforation, the winding has electric wire coil (32) on retainer plate (33) lateral wall, the inside fixed mounting of outer lane (11) has semiconductor refrigeration piece (34), electric wire coil (32) are through electric wire and semiconductor refrigeration piece (34) electric connection.
5. A high pressure resistant maintenance free PEEK sliding bearing according to claim 1, characterized in that: the outer ring (11) is an outer ring (11) made of PEEK, and the inner ring (12) is an inner ring (12) made of PEEK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911407891.1A CN110966311B (en) | 2019-12-31 | 2019-12-31 | High-pressure-resistant maintenance-free PEEK sliding bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN208870940U (en) * | 2018-09-13 | 2019-05-17 | 中储国能(北京)技术有限公司 | A kind of sliding bearing auxiliary radiating device |
| CN110023639A (en) * | 2016-11-30 | 2019-07-16 | 圣戈班性能塑料帕姆普斯有限公司 | Slide assemblies |
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| US6959756B2 (en) * | 2001-08-07 | 2005-11-01 | Beacon Power Corporation | Device for cooling a bearing; flywheel energy storage system using such a bearing cooling device and methods related thereto |
| JP2009191984A (en) * | 2008-02-15 | 2009-08-27 | Calsonic Kansei Corp | Bearing structure |
| CN105871101B (en) * | 2016-05-23 | 2018-03-16 | 杭州万辰机电科技有限公司 | High-speed permanent magnet motor |
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| CN1036251A (en) * | 1987-10-02 | 1989-10-11 | 塑料轴承座澳大利西亚有限公司 | Bearing means |
| CN1410686A (en) * | 2002-10-25 | 2003-04-16 | 东华大学 | Apparatus for lowering bearing temperature using semiconductor refrigerating technology |
| JP2006226267A (en) * | 2005-02-21 | 2006-08-31 | Mitsubishi Heavy Ind Ltd | Bearing structure of vacuum pump and vacuum pump using it |
| CN2886176Y (en) * | 2006-04-29 | 2007-04-04 | 浙江双飞无油轴承有限公司 | PEEK composite sliding bearing |
| CN105658977A (en) * | 2013-05-29 | 2016-06-08 | 诺沃皮尼奥内股份有限公司 | Magnetic bearing assembly having inner ventilation |
| CN205858975U (en) * | 2016-06-21 | 2017-01-04 | 新昌县威尔特轴承有限公司 | A kind of bearing that can dispel the heat |
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| CN110966311A (en) | 2020-04-07 |
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