CN114909394A - Double-row angular contact ball bearing with characteristic of reducing internal friction force - Google Patents
Double-row angular contact ball bearing with characteristic of reducing internal friction force Download PDFInfo
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- CN114909394A CN114909394A CN202210273566.6A CN202210273566A CN114909394A CN 114909394 A CN114909394 A CN 114909394A CN 202210273566 A CN202210273566 A CN 202210273566A CN 114909394 A CN114909394 A CN 114909394A
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- ring
- fixedly connected
- bearing
- groove
- angular contact
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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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
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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
- F16C37/007—Cooling of bearings of rolling bearings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention provides a double-row angular contact ball bearing with the characteristic of reducing internal friction force, which relates to the technical field of bearings and comprises the following components: the inner part of the bottom inner ring is vertically penetrated with an inserting rod groove A; bottom inner circle top fixedly connected with top inner circle, the cooling tube is worn to be equipped with in inserted bar groove A and inserted bar inslot B, the cooling tube bottom is provided with fastening nut through the thread connection, cooling tube top fixedly connected with invagination circle, invagination circle is located the apical ring inslot, operate through the inside servo motor of the cooling tube to the bottom, can make the flabellum rotate air current with higher speed in the inside of cooling tube, can make the cooling tube dispel the heat to bottom inner circle and top inner circle in the inboard, the frictional force that deformation caused when can reduce the high-speed operation heating of bearing, it is not convenient for carry out automatic heat dissipation to the bearing inner circle when high-speed operation to have solved traditional bearing, be not convenient for reduce the problem of the frictional force that deformation caused when the high-speed operation heating of bearing.
Description
Technical Field
The invention relates to the technical field of bearings, in particular to a double-row angular contact ball bearing with the characteristic of reducing internal friction force.
Background
The double-row angular contact ball bearing can bear radial and axial combined load and moment load which are mainly large in radial load, axial displacement of two aspects of the shaft is limited, the double-row angular contact ball bearing is mainly used for limiting the shaft and a component of the shell in bidirectional axial displacement, when the bearing rotates at a high speed, expansion and contraction after temperature rise of the inner side of the bearing can be caused, the internal extrusion pressure of the bearing can be improved, the internal friction force of the bearing can be improved, the existing bearing is inconvenient to enable lubricating oil to automatically flow to the inner side of the bearing to lubricate the inner side of the bearing according to the rotating speed of the bearing, the existing bearing is inconvenient to automatically dissipate heat of the inner ring of the bearing when the bearing operates at a high speed, and the friction force caused by deformation when the bearing operates at a high speed and is inconvenient to reduce.
The double-row angular contact ball bearing with the characteristic of reducing the internal friction force is needed so as to automatically dissipate heat of the inner ring of the bearing when the bearing runs at a high speed and reduce the friction force of the bearing which is improved by deformation when the temperature is raised.
Disclosure of Invention
In view of the above, the present invention provides a double-row angular contact ball bearing with a characteristic of reducing an internal friction force, wherein a positive electrode ring B and a negative electrode ring B are connected to a positive electrode ring a and a negative electrode ring a by connecting slide rods, so that a servo motor inside a bottom heat dissipation pipe can be operated, a fan blade can rotate inside the heat dissipation pipe to accelerate air flow, the heat dissipation pipe can dissipate heat from a bottom inner ring and a top inner ring inside the heat dissipation pipe, and a friction force caused by deformation of the bearing during high-speed operation and heating can be reduced.
The invention provides a double-row angular contact ball bearing with the characteristic of reducing internal friction, which specifically comprises the following components: the outer side of the bottom inner ring is provided with a conical surface, the conical surface is provided with an annular groove, and the outer side of the annular groove is connected with a ball; the outer side of the ball is sleeved with a retainer; a bottom ring groove is formed at the bottom of the bottom inner ring; an inserting rod groove A vertically penetrates through the inner part of the bottom inner ring; the top of the bottom inner ring is fixedly connected with a top inner ring; the outer curved side surface at the top of the bottom inner ring and the outer curved side surface at the bottom of the top inner ring are fixedly connected with inclined fins; the top of the top inner ring is provided with a top ring groove; a plunger groove B vertically penetrates through the inner part of the top inner ring, and the top of the plunger groove B is positioned at the bottom of the top ring groove; the outer side of the bottom inner ring is sleeved with two groups of conical outer rings, and the junction of the two groups of conical outer rings is provided with inclined hole grooves; the top of the conical outer ring is fixedly connected with an oil injection pipe, the inner side of the oil injection pipe is provided with threads, and the inner side of the oil injection pipe is provided with a sealing screw rod through thread connection.
Optionally, the outer side of the conical outer ring is fixedly connected with two groups of sealing flaps, and the top and the bottom of each sealing flap are fixedly connected with a horizontal bending part.
Optionally, an outer sealing cover is fixedly connected to the outer side of the conical outer ring, and a top sealing ring is fixedly connected to the top of the outer sealing cover.
Optionally, the bottom surface of the top seal ring is fixedly connected with the vertical surface of the top of the conical outer ring, a top welding hole vertically penetrates through the inner portion of the top seal ring, and a bottom welding hole is formed in the bottom of the top seal ring.
Optionally, a radiating pipe is arranged inside the inserting rod groove a and the inserting rod groove B in a penetrating mode, a fastening nut is arranged at the bottom of the radiating pipe through threaded connection, an inner sunken ring is fixedly connected to the top of the radiating pipe, and the inner sunken ring is located on the inner side of the top ring groove.
Optionally, the top of the invagination ring is fixedly connected with a positive electrode ring a, and the top of the positive electrode ring a is fixedly connected with a negative electrode ring a.
Optionally, the tops of the positive electrode ring a and the negative electrode ring a are fixedly connected with a butt joint pipe, the side end of the butt joint pipe is fixedly connected with a return spring, the inner side of the butt joint pipe is provided with a sliding rod through sliding connection, the left end of the sliding rod is fixedly connected with the return spring, and the right end of the sliding rod is fixedly connected with a carbon brush.
Optionally, an outer collar is fixedly connected to the top of the conical outer ring, an anode ring B is fixedly connected to the top of the outer collar, a cathode ring B is fixedly connected to the top of the anode ring B, and an external connection line is fixedly connected to the top of the cathode ring B.
Advantageous effects
Compared with the conventional bearing, the bearing according to the embodiments of the invention has the advantages that after lubricating oil is injected into the tapered outer ring and the sealing valve through the oil injection pipe, when the bearing is used at a low speed, the sealing screw is unscrewed, and when the bearing inner ring rotates, the bottom inner ring can drive the inclined fins on the curved side surface to rotate on the inner side of the bearing, so that air on the inner side of the bearing is guided, the air pressure on the inner side of the bearing can be reduced, the lubricating oil on the inner side of the tapered outer ring and the sealing valve can be sucked through negative pressure, the lubricating oil flows inwards through the inclined hole grooves on the inner side, and the lubricating oil can automatically flow on the inner side of the bearing according to the rotating speed of the bearing to lubricate.
In addition, through setting up the outer cover, with two sets of sealed lamella locks behind toper outer lane outside, through welding sealed lamella top and bottom and toper outer lane horizontal plane contact segment, can seal the toper outer lane outside, through with the outer cover from the top down cover from the top after the toper outer lane outside is gone into, through welding top welding hole and the bottom welding hole of outer cover bottom and top and toper outer lane contact segment, can make the outer cover support the toper outer lane.
In addition, through setting up the inner ring, through with the cooling tube from the top down insert the inside back in inserted bar groove B and inserted bar groove A, make the inner ring at cooling tube top snare go into the inside back of top ring groove, with the fastening nut soon insert the cooling tube bottom outside, can be connected the cooling tube with end inner circle and top inner circle fixedly.
In addition, through arranging the radiating pipe, when the bearing is used for high-speed rotation, after an external connection wire is butted with an external circuit, the anode ring A and the cathode ring A can be electrified, when the bearing inner ring rotates, the bottom inner ring and the top inner ring can drive the inner trap ring at the top of the bottom inner ring and the top inner ring to rotate, when the rotating speed of the bearing inner ring is overhigh, the top of the anode ring A and the top of the cathode ring A can drive two groups of slide bars at the inner sides of the butting pipes to slide towards the outside through centrifugal force, carbon brushes at the outer side ends of the slide bars can be attached to the anode ring B and the cathode ring B, circuits of the anode ring B and the cathode ring B can be connected with the anode ring A and the cathode ring A through connection of the slide bars, a servo motor at the inner part of the radiating pipe at the bottom can be operated, the fan blades can rotate in the radiating pipe to accelerate air flow, and the radiating pipe can radiate the bottom inner ring and the top inner ring at the inner side, the friction force caused by deformation when the bearing is heated during high-speed operation can be reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
fig. 1 shows a schematic view of a top perspective structure of a bearing as a whole according to an embodiment of the invention;
FIG. 2 shows a schematic view of a side cross-sectional perspective structure of a bearing outer enclosure according to an embodiment of the present invention;
FIG. 3 shows a schematic diagram of a side sectional perspective structure of an inner race of a bearing according to an embodiment of the invention;
FIG. 4 shows an enlarged partial schematic view of A in FIG. 3 according to an embodiment of the invention;
FIG. 5 illustrates an enlarged partial view of B in FIG. 3 according to an embodiment of the present invention;
FIG. 6 shows a schematic view of a side cross-sectional perspective structure of an under-cone of a bearing according to an embodiment of the invention;
FIG. 7 shows a schematic view of a bottom perspective of an outer collar of a bearing according to an embodiment of the invention;
FIG. 8 shows a schematic view of the overall bottom perspective of a bearing according to an embodiment of the invention;
list of reference numerals
1. A bottom inner ring;
101. a bottom ring groove; 102. a plug rod groove A;
2. ejecting the inner ring;
201. a top ring groove; 202. a plug-in rod groove B;
3. oblique fins;
4. a ball bearing;
401. a holder;
5. a conical outer ring;
501. a slant hole groove; 502. an oil filler pipe; 5021. sealing the screw rod;
6. sealing the flap;
7. an outer enclosure;
701. a top seal ring; 7011. a top welding hole; 702. a bottom welding hole;
8. a radiating pipe;
801. fastening a nut; 802. a positive electrode ring A; 803. a negative pole ring A; 804. butt-joint pipes; 8041. a reset spring; 8042. a slide bar; 8043. a carbon brush; 805. an outer collar; 8051. a positive electrode ring B; 8052. a negative pole ring B; 806. external connection; 807. and (6) inward-concave ring.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
The first embodiment is as follows: please refer to fig. 1 to 8:
the invention provides a double-row angular contact ball bearing with the characteristic of reducing internal friction force, which comprises: the bottom inner ring 1 is provided with a conical surface on the outer side of the bottom inner ring 1, the conical surface is provided with an annular groove, and the outer side of the annular groove is connected with a ball 4; the outer side of the ball 4 is sleeved with a retainer 401; the bottom of the bottom inner ring 1 is provided with a bottom ring groove 101; an inserted bar groove A102 vertically penetrates through the inner part of the bottom inner ring 1; the top of the bottom inner ring 1 is fixedly connected with a top inner ring 2; the outer curved side surface at the top of the bottom inner ring 1 and the outer curved side surface at the bottom of the top inner ring 2 are fixedly connected with inclined fins 3; the top ring groove 201 is formed in the top of the top inner ring 2; an inserted bar groove B202 vertically penetrates through the inner part of the top inner ring 2, and the top of the inserted bar groove B202 is positioned at the bottom of the top ring groove 201; the outer side of the bottom inner ring 1 is sleeved with two groups of conical outer rings 5, and the junction of the two groups of conical outer rings 5 is provided with inclined hole grooves 501; the top of the conical outer ring 5 is fixedly connected with an oil filling pipe 502, the inner side of the oil filling pipe 502 is provided with threads, the inner side of the oil filling pipe 502 is provided with a sealing screw 5021 through thread connection, after lubricating oil is injected into the conical outer ring 5 and the sealing valve 6 through the oil filling pipe 502, when the bearing is used at a low speed, the sealing screw 5021 is unscrewed, when the inner ring of the bearing rotates, the bottom inner ring 1 can drive the inclined fins 3 on the curved side surface to rotate on the inner side of the bearing, the air inside the bearing is guided, the air pressure inside the bearing can be reduced, the lubricating oil inside the conical outer ring 5 and the sealing valve 6 can be sucked through negative pressure, the lubricating oil flows inwards through the inclined hole groove 501 on the inner side, and the lubricating oil can automatically flow on the inner side of the bearing according to the rotating speed of the bearing to lubricate.
The outer side of the conical outer ring 5 is fixedly connected with sealing flaps 6, the number of the sealing flaps 6 is two, the top and the bottom of each sealing flap 6 are fixedly connected with a horizontal bending part, the outer side of the conical outer ring 5 is fixedly connected with an outer sealing cover 7, the top of the outer sealing cover 7 is fixedly connected with a top sealing ring 701, the bottom surface of the top sealing ring 701 is fixedly connected with the vertical surface of the top of the conical outer ring 5, a top welding hole 7011 vertically penetrates through the top sealing ring 701, the bottom of the top sealing ring 701 is provided with a bottom welding hole 702, the two groups of sealing flaps 6 are buckled on the outer side of the conical outer ring 5, the top and the bottom of each sealing flap 6 are welded with the horizontal surface contact part of the conical outer ring 5, the outer side of the conical outer ring 5 can be sealed, the outer sealing flap 7 is sleeved into the outer side of the conical outer ring 5 from top to bottom, and then the top welding hole 7011 and the bottom welding hole 702 of the contact part of the bottom of the outer sealing flap 7 and the top and the conical outer ring 5 are welded, the outer cover 7 can be made to support the conical outer ring 5.
Radiating tube 8 is worn to be equipped with in inserted bar groove A102 and inserted bar groove B202 inside, 8 bottoms of radiating tube are provided with fastening nut 801 through threaded connection, the inside fixedly connected with servo motor of radiating tube 8, the servo motor pivot end is provided with the flabellum through coaxial coupling, 8 top fixedly connected with inner ring 807 of radiating tube, inner ring 807 is located top ring groove 201 inboard, through with 8 from the top down inserts inserted bar groove B202 and the inside back of inserted bar groove A102 of radiating tube, make the inner ring 807 at 8 tops of radiating tube embolia the inside back of top ring groove 201, with the 8 bottom outsides of fastening nut 801 soon, can be connected fixedly with bottom inner circle 1 and top inner circle 2 with radiating tube 8.
The top of the inner trap 807 is fixedly connected with a positive electrode ring A802, the top of the positive electrode ring A802 is fixedly connected with a negative electrode ring A803, the tops of the positive electrode ring A802 and the negative electrode ring A803 are fixedly connected with a butt joint pipe 804, the side end of the butt joint pipe 804 is fixedly connected with a reset spring 8041, the inner side of the butt joint pipe 804 is provided with a slide bar 8042 through sliding connection, the left end of the slide bar 8042 is fixedly connected with the reset spring 8041, the right end of the slide bar 8042 is fixedly connected with a carbon brush 8043, the top of the conical outer ring 5 is fixedly connected with an outer ring 805, the top of the outer ring 805 is fixedly connected with a positive electrode ring B8051, the top of the positive electrode ring B8051 is fixedly connected with a negative electrode ring B8052, the top of the negative electrode ring B8052 is fixedly connected with an external connection wire 806, when the bearing is used for high-speed rotation, after the external connection of the external connection wire 806 is butted with an external circuit, the positive electrode ring A802 and the negative electrode ring A803 can be electrified, when the bearing inner ring rotates, the bearing inner ring, the bottom inner ring 1 and the top inner ring 2 can drive the inner trap 807 to rotate, when the rotating speed of the bearing inner ring is too high, the tops of the positive electrode ring A802 and the negative electrode ring A803 can be driven by centrifugal force to slide the two groups of sliding rods 8042 on the inner sides of the butting pipes 804 to the outer side, the carbon brushes 8043 on the outer side ends of the sliding rods 8042 can be attached to the positive electrode ring B8051 and the negative electrode ring B8052, circuits of the positive electrode ring B8051 and the negative electrode ring B8052 can be connected with the positive electrode ring A802 and the negative electrode ring A803 by connecting the sliding rods 8042, a servo motor in the radiating pipe 8 at the bottom can be operated, fan blades can rotate in the radiating pipe 8 to accelerate air flow, the radiating pipe 8 can radiate heat to the bottom inner ring 1 and the top inner ring 2 at the inner side, and friction force caused by deformation when the bearing is operated and heated at high speed can be reduced.
The specific use mode and function of the embodiment are as follows: in the invention, when in use, after two groups of sealing flaps 6 are buckled at the outer side of the conical outer ring 5, the contact part of the top and the bottom of the sealing flaps 6 and the horizontal plane of the conical outer ring 5 is welded, the outer side of the conical outer ring 5 can be sealed, after the outer sealing cover 7 is sleeved at the outer side of the conical outer ring 5 from top to bottom, the top welding hole 7011 and the bottom welding hole 702 of the contact part of the bottom and the top of the outer sealing cover 7 and the conical outer ring 5 are welded, the outer sealing cover 7 can support the conical outer ring 5, after the radiating pipe 8 is inserted into the inserted bar groove B202 and the inserted bar groove A102 from top to bottom, the inner sunken ring 807 at the top of the radiating pipe 8 is sleeved into the top ring groove 201, the fastening screw cap 801 is screwed into the outer side of the bottom of the radiating pipe 8, the radiating pipe 8 can be connected and fixed with the bottom inner ring 1 and the top inner ring 2, when the bearing is used at low speed, after the sealing screw 5021 is unscrewed, when the bearing inner ring rotates, the bottom inner ring 1 can drive the inclined fins 3 on the curved side surface to rotate on the inner side of the bearing, so that air on the inner side of the bearing is guided, the air pressure on the inner side of the bearing can be reduced, lubricating oil on the inner side of the conical outer ring 5 and the sealing valve 6 can be sucked through negative pressure, the lubricating oil can flow inwards through the inclined hole grooves 501 on the inner side, the lubricating oil can automatically flow on the inner side of the bearing according to the rotating speed of the bearing to lubricate, when the bearing is used for high-speed rotation, an external connection wire 806 is butted with an external circuit, a positive electrode ring A802 and a negative electrode ring A803 can be electrified, when the bearing inner ring rotates, the bottom inner ring 1 and the top inner ring 2 can drive the inner recessed ring 807 on the tops of the bottom inner ring and the top inner ring 2 to rotate, when the rotating speed of the bearing inner ring is too high, the tops of the positive electrode ring A802 and the negative electrode ring A803 can drive the two sets of slide bars 8042 on the inner side of the butting pipe 804 to slide outwards through centrifugal force, the carbon brush 8043 at the outer end of the sliding rod 8042 can be attached to the positive electrode ring B8051 and the negative electrode ring B8052, the circuits of the positive electrode ring B8051 and the negative electrode ring B8052 can be connected with the positive electrode ring A802 and the negative electrode ring A803 by connecting the sliding rod 8042, a servo motor in the bottom radiating pipe 8 can be operated, the fan blades can rotate in the radiating pipe 8 to accelerate air flow, the radiating pipe 8 can radiate the bottom inner ring 1 and the top inner ring 2 at the inner side, and the friction force caused by deformation when the bearing is heated in high-speed operation can be reduced.
Finally, it should be noted that, when describing the positions of the components and the matching relationship between the components, the invention will be generally exemplified by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other components/other pairs of components. The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (8)
1. Double row angular contact ball bearing with alleviate internal friction characteristics, its characterized in that includes: the outer side of the bottom inner ring (1) is provided with a conical surface, the conical surface is provided with an annular groove, and the outer side of the annular groove is connected with a ball (4); a retainer (401) is sleeved on the outer side of the ball (4); a bottom ring groove (101) is formed in the bottom of the bottom inner ring (1); a plunger groove A (102) vertically penetrates through the inner part of the bottom inner ring (1); the top of the bottom inner ring (1) is fixedly connected with a top inner ring (2); the top outward-curved side surface of the bottom inner ring (1) and the bottom outward-curved side surface of the top inner ring (2) are fixedly connected with inclined fins (3); the top ring groove (201) is formed in the top of the top inner ring (2); an inserted bar groove B (202) vertically penetrates through the inner part of the top inner ring (2), and the top of the inserted bar groove B (202) is positioned at the bottom of the top ring groove (201); the outer side of the bottom inner ring (1) is sleeved with two groups of conical outer rings (5), the number of the conical outer rings (5) is two, and the junction of the two groups of conical outer rings (5) is provided with inclined hole grooves (501); the top of the conical outer ring (5) is fixedly connected with an oil filling pipe (502), the inner side of the oil filling pipe (502) is provided with threads, and the inner side of the oil filling pipe (502) is provided with a sealing screw rod (5021) through thread connection.
2. The double-row angular contact ball bearing with the characteristic of reducing the internal friction force according to claim 1, wherein the outer side of the conical outer ring (5) is fixedly connected with two groups of sealing flaps (6), and the top and the bottom of each sealing flap (6) are fixedly connected with a horizontal bent part.
3. The double row angular contact ball bearing with the characteristic of reducing the internal friction force according to claim 1, wherein an outer sealing cover (7) is fixedly connected to the outer side of the conical outer ring (5), and a top sealing ring (701) is fixedly connected to the top of the outer sealing cover (7).
4. The double-row angular contact ball bearing with the characteristic of reducing the internal friction force according to claim 3, wherein the bottom surface of the top seal ring (701) is fixedly connected with the top vertical surface of the tapered outer ring (5), a top welding hole (7011) vertically penetrates through the inside of the top seal ring (701), and a bottom welding hole (702) is formed in the bottom of the top seal ring (701).
5. The double-row angular contact ball bearing with the characteristic of reducing the internal friction force as claimed in claim 1, wherein a heat dissipation pipe (8) penetrates through the inside of the insert rod groove A (102) and the insert rod groove B (202), a fastening nut (801) is arranged at the bottom of the heat dissipation pipe (8) through threaded connection, a servo motor is fixedly connected inside the heat dissipation pipe (8), fan blades are arranged at the tail end of a rotating shaft of the servo motor through coaxial connection, an inner sunken ring (807) is fixedly connected at the top of the heat dissipation pipe (8), and the inner sunken ring (807) is located inside the top ring groove (201).
6. The double row angular contact ball bearing with the characteristic of reducing the internal friction force according to claim 5, wherein a positive ring A (802) is fixedly connected to the top of the inner trap (807), and a negative ring A (803) is fixedly connected to the top of the positive ring A (802).
7. The double-row angular contact ball bearing with the characteristic of reducing the internal friction force according to claim 6, wherein the tops of the positive electrode ring A (802) and the negative electrode ring A (803) are fixedly connected with a butt joint pipe (804), the side end of the butt joint pipe (804) is fixedly connected with a return spring (8041), the inner side of the butt joint pipe (804) is provided with a sliding rod (8042) through sliding connection, the left end of the sliding rod (8042) is fixedly connected with the return spring (8041), and the right end of the sliding rod (8042) is fixedly connected with a carbon brush (8043).
8. The double-row angular contact ball bearing with the characteristic of reducing the internal friction force according to claim 1, wherein an outer collar (805) is fixedly connected to the top of the conical outer ring (5), an anode ring B (8051) is fixedly connected to the top of the outer collar (805), a cathode ring B (8052) is fixedly connected to the top of the anode ring B (8051), and an external connecting wire (806) is fixedly connected to the top of the cathode ring B (8052).
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| CN202210273566.6A CN114909394B (en) | 2022-03-19 | 2022-03-19 | Double-row angular contact ball bearing with characteristic of reducing internal friction force |
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| CN202210273566.6A CN114909394B (en) | 2022-03-19 | 2022-03-19 | Double-row angular contact ball bearing with characteristic of reducing internal friction force |
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| CN114909394B CN114909394B (en) | 2023-09-08 |
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| CN114909394B (en) | 2023-09-08 |
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