CN116696936A - External oiling type tapered roller bearing - Google Patents

External oiling type tapered roller bearing Download PDF

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Publication number
CN116696936A
CN116696936A CN202310533857.9A CN202310533857A CN116696936A CN 116696936 A CN116696936 A CN 116696936A CN 202310533857 A CN202310533857 A CN 202310533857A CN 116696936 A CN116696936 A CN 116696936A
Authority
CN
China
Prior art keywords
cage
oil
sleeve
roller bearing
inner sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310533857.9A
Other languages
Chinese (zh)
Other versions
CN116696936B (en
Inventor
祝小燕
周文立
华尧中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Zhongjing Bearing Co ltd
Original Assignee
Zhejiang Zhongjing Bearing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Zhongjing Bearing Co ltd filed Critical Zhejiang Zhongjing Bearing Co ltd
Priority to CN202310533857.9A priority Critical patent/CN116696936B/en
Publication of CN116696936A publication Critical patent/CN116696936A/en
Application granted granted Critical
Publication of CN116696936B publication Critical patent/CN116696936B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
    • F16C19/383—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
    • F16C19/385—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
    • 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
    • F16C33/46—Cages for rollers or needles
    • F16C33/48—Cages for rollers or needles for multiple rows of rollers or needles
    • 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
    • F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
    • 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
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • 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
    • F16N—LUBRICATING
    • F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
    • F16N21/06—Covering members for nipples, conduits or apertures
    • 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
    • F16N—LUBRICATING
    • F16N37/00—Equipment for transferring lubricant from one container to another
    • F16N37/003—Equipment for transferring lubricant from one container to another for filling bearings
    • 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)
  • Rolling Contact Bearings (AREA)

Abstract

The invention belongs to the technical field of roller bearings, and particularly relates to an external oiling type tapered roller bearing, which comprises an outer sleeve, an inner sleeve, rollers and a cage, wherein the outer sleeve and the inner sleeve are coaxially sleeved, the cage is arranged between the outer sleeve and the inner sleeve, the rollers are embedded in the middle of the side wall of the cage, end covers are arranged at the left end and the right end of the outer sleeve, an oil filling hole is formed in the middle of the outer sleeve, an oil inlet is formed in one end, close to the oil filling hole, of the cage, and a triangular opening corresponding to the rollers is formed in the middle of the cage. The oil filling hole is formed in the middle of the outer sleeve, oil can be directly filled into the inner side of the outer sleeve from the middle position, the oil inlet is formed in the cage frame close to the oil filling hole on one side, the oil filling can be synchronously performed on the periphery of the roller in a matching manner with a gap formed by the outer side wall of the cage frame and the inner wall of the outer sleeve, a triangular gap is formed between the cage frame and the roller, butter on the inner side and the outer side of the cage frame is smoothly conducted, overflows through the oil outlet of the cage frame, overflows to the outer side of the outer sleeve from the gap on the gasket position on the left side, and the completion of the butter filling operation is visually prompted, so that the oil filling efficiency is improved.

Description

External oiling type tapered roller bearing
Technical Field
The invention relates to the technical field of roller bearings, in particular to an external oiling type tapered roller bearing.
Background
Roller bearings are one of the rolling bearings, which are one of the components widely used in modern machines. It relies on rolling contact between the primary elements to support the rotating parts. Roller bearings are now largely standardized. The roller bearing has the advantages of small moment required for starting, high rotation precision, convenient selection and the like.
The existing tapered roller bearing lubricating mode mainly comprises an integral external oiling mode and a split external oiling mode, a nozzle tip is required to be inserted between gaps of rollers for oiling and lubricating during integral oiling, the bearing with an end cover is required to be disassembled for oiling, the end cover and an inner sleeve of the bearing are required to be disassembled from an outer sleeve during split external oiling, and then the inner sleeve, a roller cage and the rollers are pressed into butter for oiling, but the split operation of the inner sleeve and the outer sleeve of the double-row tapered roller bearing is complicated, and the assembly precision can be influenced by repeated split of the inner sleeve and the outer sleeve.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an external oiling type tapered roller bearing.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the outer oiling type tapered roller bearing comprises an outer sleeve, an inner sleeve, rollers and a cage frame, wherein the outer sleeve and the inner sleeve are coaxially sleeved and arranged, the cage frame is arranged between the outer sleeve and the inner sleeve, the rollers are embedded in the middle of the side wall of the cage frame, end covers are arranged at the left end and the right end of the outer sleeve, an oil filling hole is formed in the middle of the outer sleeve, an oil inlet is formed in one end, close to the oil filling hole, of the cage frame, a triangular opening corresponding to the rollers is formed in the middle of the cage frame, an oil outlet is formed in one end, far away from the oil filling hole, of the cage frame, and the inner sleeve and the end cover are inserted and arranged to form an oil overflow slit;
when the roller bearing is used for oiling, the oil nozzle is aligned with the oil filling hole, butter is extruded into the outer sleeve, at the moment, the butter can enter a gap between the outer sleeve and the inner sleeve and flow to the outer side of the cage frame, and enters the inner side of the cage frame through the oil inlet, so that synchronous oiling on the inner side and the outer side of the cage frame is realized, oiling is ensured to be full, excessive butter can flow out through the oil outlet, overflows from an oil overflow slit between the inner sleeve and the end cover, the butter is intuitively prompted to be full, and a rubber sealing ring is arranged in the oil overflow slit after the grease filling is installed, so that sealing protection is realized, and oiling operation is rapid and convenient without disassembling the inner sleeve and the outer sleeve.
Preferably, a gasket is arranged between the end cover and the inner sleeve, a middle hole is formed in the middle of the gasket, an inner edge opening is formed in the middle hole of the gasket, and an outer edge opening is formed in the periphery of the gasket;
the gasket can separate the end cover and the inner sleeve, prevents the relative rotation friction between the end cover and the inner sleeve, reduces noise and abrasion, and is provided with a middle hole, an inner edge opening and an outer edge opening, so that grease can pass through the gasket conveniently, and smooth grease overflow is ensured.
Preferably, the left side and the right side of the gasket are provided with oil grooves, and the inner edge notch, the middle hole and the outer edge notch are connected in series through the oil grooves;
the grease passing groove can guide grease to the left side and the right side of the gasket, and when the grease is injected, the grease can be injected into the surface of the gasket, so that further anti-abrasion lubrication is realized, and lubrication and noise reduction between the gasket and the end cover and between the gasket and the inner sleeve are ensured.
Preferably, the outer circumference of the end cover is provided with an inward-turning convex edge, and the end part of the outer sleeve is provided with a ring groove which is matched and spliced with the inward-turning convex edge;
the inward-turned convex edge can be inserted into the annular groove, so that the end cover can enlarge the contact area of the end part of the outer sleeve, and the end cover is provided with a plurality of bending joints, so that the outer circumferential position of the end cover and the end part of the outer sleeve can be stably sealed.
Preferably, mounting grooves are formed in the left end and the right end of the outer sleeve, a pressing plate is arranged in the mounting grooves, a pin column is arranged on the outer side wall of the end cover, and a blind hole matched and spliced with the pin column is formed in the side wall of the pressing plate;
the mounting groove that both ends set up about the overcoat can inlay and establish the installation clamp plate to the round pin post passes through blind hole and clamp plate joint, guarantees the position stability after compressing tightly, and the clamp plate passes through the bolt and is connected with the overcoat and is the same equipment, more conveniently dismantles the maintenance, when the oiling can't spill over, can dismantle and look over inside specific condition, it is convenient to maintain.
Preferably, the right end of the inner sleeve is provided with a rotary joint, the inner sleeve is rotatably connected with the auxiliary inner sleeve through the rotary joint, and the inner wall of the left side of the auxiliary inner sleeve is provided with a thread groove;
the rotary joint can be connected with the auxiliary inner sleeve through threads, and when the rotary joint needs to be disassembled, the inner sleeve and the auxiliary inner sleeve which are connected in a split mode can be disassembled respectively at the left side and the right side, so that the rotary joint is convenient to disassemble and is easy to disassemble.
Preferably, openings which are symmetrically arranged are formed in the inner edges of the inner sleeve and the auxiliary inner sleeve, and a boss is arranged at the opposite end of the inner sleeve and the auxiliary inner sleeve;
the notch is convenient to detach, can insert the instrument in the notch, conveniently carries out the rotation of endotheca and vice endotheca, is convenient for split to the boss can improve the thickness in notch position, improves the stability when dismantling the atress.
Preferably, an arc end face matched with the roller is arranged in the middle of the cage, a wedge block in pressing contact with the roller is arranged in the middle of the triangular opening of the cage, a first end edge is arranged at the position of the cage, which is located at the oil inlet, and a second end edge is arranged at the position of the cage, which is located at the oil outlet;
the diameter of the opening of the cage frame matched with the roller is smaller than that of the roller, the arc end face is matched with the arc outer edge of the roller, the roller can be pressed on the outer side of the inner sleeve, the wedge blocks are matched, falling is prevented, and the first end edge and the second end edge are overlapped with the edge of the outer side of the inner sleeve, so that stable assembly is realized.
Preferably, a thread groove is formed in the inner wall of the oil filling hole, a sealing assembly is installed in the oil filling hole, the sealing assembly comprises an inner pressing ring, a plunger and an outer pressing ring, an inner arc surface hole is formed in the middle of the inner pressing ring, and an outer arc surface hole is formed in the middle of the outer pressing ring;
the oil filler point can be plugged up to seal assembly, can compress tightly the plunger through the outer clamping ring after the oiling and carry out open-ended sealing in the clamping ring front end, and at sealing contact terminal surface, interior clamping ring middle part sets up to interior arcwall hole, outer clamping ring middle part sets up to outer arcwall hole, improve area of contact, guarantee sealed stable, when carrying out the oiling, only need the outer clamping ring of forward unscrewing, make the plunger can slide forward, follow outer arcwall hole position oiling this moment, butter can enter into in the interior arcwall hole through the gap of plunger and oil filler point inner wall, realize quick oiling.
Preferably, the front end of the inner pressure ring is provided with an inner operation groove, and the front end of the outer pressure ring is provided with an outer operation groove;
the inner operation groove can be inserted into the straight screwdriver, the outer operation groove formed in the front end of the outer pressing ring is also matched with the straight screwdriver, the inner operation groove is convenient to rotate and disassemble, and the inner operation groove can be disassembled, replaced and maintained rapidly.
Compared with the prior art, the external oiling type tapered roller bearing has the advantages that:
1. through the arrangement of the cage, the middle part of the outer sleeve is provided with the oil injection hole, the inner side of the outer sleeve can be directly injected with oil from the middle position, the oil injection hole on one side, close to the cage, of the cage is provided with the oil inlet, the periphery of the roller can be synchronously injected with oil by matching with a gap formed by the outer side wall of the cage and the inner wall of the outer sleeve, and a triangular gap is formed between the cage and the roller, so that butter on the inner side and the outer side of the cage is smoothly conducted, overflows through the oil outlet of the cage, overflows to the outer side of the outer sleeve from the gap on the gasket position on the left side, and the completion of butter full injection operation is intuitively prompted, and the oil injection efficiency is improved;
2. through the setting of plunger, the plug is installed in the oil filler hole, when needs oiling, through rotatory outer clamping ring, enlarge the clearance between interior clamping ring and the outer clamping ring, make the plunger be relaxed can slide, and then can insert the nozzle tip in the mesopore of outer clamping ring, with the grease from the inside oiling of outside cover between plunger and the gap of interior clamping ring, and after the oiling, can compress tightly the plunger once more with outer clamping ring screw, realize sealedly, and interior clamping ring and outer clamping ring can be disassembled respectively, conveniently improve oiling efficiency, and can carry out solitary change to the subassembly of wearing and tearing, be convenient for maintain and change.
Drawings
FIG. 1 is a schematic left-hand view of the present invention;
FIG. 2 is a cross-sectional block diagram of the present invention;
FIG. 3 is a schematic diagram illustrating the internal structure of the present invention;
FIG. 4 is a schematic diagram illustrating the internal structure of the present invention;
FIG. 5 is a schematic view in section of the cage, inner sleeve and connecting members thereof of the present invention;
FIG. 6 is a schematic cross-sectional view of a gasket of the present invention;
fig. 7 is an enlarged structural view of the cage of the present invention;
fig. 8 is a diagram of the split relationship among the plunger, inner pressure ring and outer pressure ring of the present invention.
In the figure: the outer sleeve 1, the oil filler hole 11, the ring groove 12, the pressure plate 13, the seal assembly 14, the inner pressure ring 141, the inner arc hole 142, the inner operation groove 143, the plunger 144, the outer pressure ring 145, the outer operation groove 146, the outer arc hole 147, the ring groove 15, the inner sleeve 2, the notch 21, the rotary joint 22, the boss 23, the auxiliary inner sleeve 24, the thread groove 25, the end cap 3, the pin 31, the inward flange 32, the cage 4, the oil inlet 41, the first end edge 411, the triangular notch 42, the wedge 421, the arc end face 422, the oil outlet 43, the second end edge 431, the roller 5, the gasket 6, the oil passing groove 61, the inner edge notch 62, the outer edge notch 63, and the middle hole 64.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-8, the present invention provides three technical solutions:
example 1
The utility model provides an outer oiling formula tapered roller bearing, including overcoat 1, endotheca 2, roller 5 and cage 4, overcoat 1 and endotheca 2 coaxial sleeve are established and are arranged, cage 4 sets up between overcoat 1 and endotheca 2, roller 5 inlays and establishes at cage 4 lateral wall middle part, end cover 3 is installed at overcoat 1 left and right sides both ends, oil filler point 11 has been seted up at overcoat 1 middle part, cage 4 is provided with oil inlet 41 near oil filler point 11 one end, triangular opening 42 that corresponds with roller 5 has been seted up at cage 4 middle part, cage 4 is kept away from oil filler point 11 one end and is provided with oil-out 43, endotheca 2 and end cover 3 grafting setting form the oil spilling slit.
Specifically, a gasket 6 is arranged between the end cover 3 and the inner sleeve 2, a middle hole 64 is formed in the middle of the gasket 6, an inner edge opening 62 is formed in the middle hole of the gasket 6, and an outer edge opening 63 is formed in the periphery of the gasket 6.
Further, the left and right sides of the gasket 6 are provided with oil grooves 61, and the inner edge notch 62, the middle hole 64 and the outer edge notch 63 are connected in series via the oil grooves 61.
Still further, the outer circumference position of end cover 3 is provided with the varus flange 32, and the annular groove 12 of mating grafting with varus flange 32 is seted up to overcoat 1 tip.
When the roller bearing is filled with grease, the grease nipple is aligned with the grease filling hole 11, grease is extruded into the outer sleeve 1, grease can enter a gap between the outer sleeve 1 and the inner sleeve 2 at the moment, flow to the outer side of the cage frame 4, and enter the inner side of the cage frame 4 through the oil inlet 41, synchronous grease filling of the inner side and the outer side of the cage frame 4 is achieved, the grease filling is ensured to be full, excessive grease can flow out through the oil outlet 43, and overflows from a grease overflow slit between the inner sleeve 2 and the end cover 3, the grease is intuitively prompted to be full, a rubber sealing ring is arranged in the grease overflow slit after the grease filling, sealing protection is achieved, the grease filling operation is fast and convenient, the inner sleeve 2 and the outer sleeve 1 do not need to be disassembled, the gasket 6 can separate the end cover 3 from the inner sleeve 2, the end cover 3 and the inner sleeve 2 are prevented from relative rotation friction, noise and abrasion are reduced, the gasket 6 is provided with a middle hole 64, an inner edge notch 62 and an outer edge notch 63, grease can pass through the gasket 6, the grease overflow smoothness is ensured, the grease can be guided to the left side and the right side of the gasket 6 through the oil groove 61, the grease can be injected into the surface of the gasket 6, further lubrication is ensured, the gasket is ensured to be further lubricated, the end cover 3 and the end cover can be stably bent into the end cover 1 and has a large contact area with the end cover 1, and the end cover 1.
Example two
The utility model provides an outer oiling formula tapered roller bearing, including overcoat 1, endotheca 2, roller 5 and cage 4, overcoat 1 and endotheca 2 coaxial sleeve are established and are arranged, cage 4 sets up between overcoat 1 and endotheca 2, roller 5 inlays and establishes at cage 4 lateral wall middle part, end cover 3 is installed at overcoat 1 left and right sides both ends, oil filler point 11 has been seted up at overcoat 1 middle part, cage 4 is provided with oil inlet 41 near oil filler point 11 one end, triangular opening 42 that corresponds with roller 5 has been seted up at cage 4 middle part, cage 4 is kept away from oil filler point 11 one end and is provided with oil-out 43, endotheca 2 and end cover 3 grafting setting form the oil spilling slit.
Specifically, the left and right ends of the outer sleeve 1 are provided with mounting grooves, the mounting grooves are provided with pressing plates 13, the outer side wall of the end cover 3 is provided with pins 31, and the side wall of the pressing plates 13 is provided with blind holes matched and spliced with the pins 31.
Notably, a rotary joint 22 is arranged at the right end of the inner sleeve 2, an auxiliary inner sleeve 24 is arranged on the inner sleeve 2 in a rotary joint mode through the rotary joint 22, and a thread groove 25 is formed in the inner wall of the left side of the auxiliary inner sleeve 24.
It should be noted that, the inner sleeve 2 and the auxiliary inner sleeve 24 are provided with symmetrically arranged openings 21 along the end portions, and the opposite ends of the inner sleeve 2 and the auxiliary inner sleeve 24 are provided with bosses 23.
The mounting groove that both ends set up about overcoat 1 can inlay and establish installation clamp plate 13 to round pin post 31 passes through blind hole and clamp plate 13 joint, guarantee to compress tightly the back position stability, clamp plate 13 is connected with overcoat 1 through the bolt and is the same, more conveniently dismantle the maintenance, can dismantle when the oiling can't spill over and look over inside specific conditions, it is convenient to maintain, screwed joint 22 can be connected with vice endotheca 24 through the screw thread, when dismantling when needs, the endotheca 2 and the vice endotheca 24 of components of a whole that can function independently are connected can be dismantled respectively left and right sides, the split of being convenient for, the dismouting is simple, opening 21 is convenient for dismantle, can insert the tool in opening 21, conveniently carry out the rotation of endotheca 2 and vice endotheca 24, be convenient for carry out the split, and boss 23 can improve the thickness of opening 21 position, stability when improving the dismantlement atress.
Example III
The utility model provides an outer oiling formula tapered roller bearing, including overcoat 1, endotheca 2, roller 5 and cage 4, overcoat 1 and endotheca 2 coaxial sleeve are established and are arranged, cage 4 sets up between overcoat 1 and endotheca 2, roller 5 inlays and establishes at cage 4 lateral wall middle part, end cover 3 is installed at overcoat 1 left and right sides both ends, oil filler point 11 has been seted up at overcoat 1 middle part, cage 4 is provided with oil inlet 41 near oil filler point 11 one end, triangular opening 42 that corresponds with roller 5 has been seted up at cage 4 middle part, cage 4 is kept away from oil filler point 11 one end and is provided with oil-out 43, endotheca 2 and end cover 3 grafting setting form the oil spilling slit.
Specifically, an arc end face 422 matched with the roller 5 is arranged in the middle of the cage 4, a wedge 421 in pressing contact with the roller 5 is arranged in the middle of the triangular notch 42 of the cage 4, a first end edge 411 is arranged at the oil inlet 41 of the cage 4, and a second end edge 431 is arranged at the oil outlet 43 of the cage 4.
Further, a thread groove is formed in the inner wall of the oil filling hole 11, a sealing assembly 14 is installed in the oil filling hole 11, the sealing assembly 14 comprises an inner pressing ring 141, a plunger 144 and an outer pressing ring 145, an inner arc surface hole 142 is formed in the middle of the inner pressing ring 141, and an outer arc surface hole 147 is formed in the middle of the outer pressing ring 145.
Still further, an inner operation groove 143 is formed at the front end of the inner pressure ring 141, and an outer operation groove 146 is formed at the front end of the outer pressure ring 145.
The diameter of the opening of the cage 4 matched with the roller 5 is smaller than that of the roller 5, the arc end face 422 is matched with the arc outer edge of the roller 5, the roller 5 can be pressed on the outer side of the inner sleeve 2 and matched with the wedge 421 to prevent falling, the first end edge 411 and the second end edge 431 are overlapped with the outer edge of the inner sleeve 2 to realize stable assembly, the oil filling hole 11 can be plugged by the sealing assembly 14, the plunger 144 can be pressed on the front end of the inner pressing ring 141 through the outer pressing ring 145 after oil filling to seal the opening, the middle part of the inner pressing ring 141 is arranged to be an inner arc hole 142, the middle part of the outer pressing ring 145 is arranged to be an outer arc hole 147 to improve the contact area, the sealing stability is ensured, when the oil filling is carried out, the outer pressing ring 145 only needs to be loosened forwards, the plunger 144 can slide forwards at the moment, the oil can be filled from the position of the outer arc hole 147, the grease can enter into the inner arc hole 142 to realize quick oil filling, the inner operating groove 143 can be inserted into a linear screwdriver, the outer operating groove 146 formed in the front end of the outer pressing ring 141 is also adapted to be a screw, and the screwdriver can be disassembled conveniently and quickly and detached.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.

Claims (10)

1. The utility model provides an outer oiling type tapered roller bearing, includes overcoat (1), endotheca (2), roller (5) and cage (4), overcoat (1) and endotheca (2) are with the axle sleeve arrangement, cage (4) set up between overcoat (1) and endotheca (2), roller (5) inlay and establish in cage (4) lateral wall middle part, end cover (3) are installed at overcoat (1) both ends about, a serial communication port, oil filler point (11) have been seted up at overcoat (1) middle part, cage (4) are close to oil filler point (11) one end and are provided with oil inlet (41), triangular opening (42) that corresponds with roller (5) have been seted up at cage (4) middle part, cage (4) are kept away from oil filler point (11) one end and are provided with oil-out (43), endotheca (2) and end cover (3) are pegged graft and are set up and form the oil slit.
2. The outer oiling type tapered roller bearing according to claim 1, wherein a gasket (6) is arranged between the end cover (3) and the inner sleeve (2), a middle hole (64) is formed in the middle of the gasket (6), an inner edge opening (62) is formed in the middle hole of the gasket (6), and an outer edge opening (63) is formed in the periphery of the gasket (6).
3. The outer oiling type tapered roller bearing according to claim 2, wherein the left side and the right side of the gasket (6) are provided with oil passing grooves (61), and the inner edge notch (62), the middle hole (64) and the outer edge notch (63) are connected in series through the oil passing grooves (61).
4. An outer oiling type tapered roller bearing according to claim 3, characterized in that an inward turning convex edge (32) is arranged at the outer circumferential position of the end cover (3), and a ring groove (12) which is matched and spliced with the inward turning convex edge (32) is formed at the end part of the outer sleeve (1).
5. The outer oiling type tapered roller bearing according to claim 1, wherein mounting grooves are formed in the left end and the right end of the outer sleeve (1), a pressing plate (13) is arranged in the mounting grooves, a pin (31) is arranged on the outer side wall of the end cover (3), and a blind hole matched and spliced with the pin (31) is formed in the side wall of the pressing plate (13).
6. The outer oiling type tapered roller bearing according to claim 5, wherein a rotary joint (22) is arranged at the right end of the inner sleeve (2), an auxiliary inner sleeve (24) is arranged on the inner sleeve (2) in a rotary joint mode through the rotary joint (22), and a thread groove (25) is formed in the inner wall of the left side of the auxiliary inner sleeve (24).
7. The outer oiling type tapered roller bearing according to claim 6, wherein symmetrically arranged notches (21) are formed in inner edges of the inner sleeve (2) and the auxiliary inner sleeve (24), and bosses (23) are formed at opposite ends of the inner sleeve (2) and the auxiliary inner sleeve (24).
8. An outer oiling tapered roller bearing according to claim 1, characterized in that an arc end face (422) matched with a roller (5) is arranged in the middle of the cage (4), a wedge block (421) in pressing contact with the roller (5) is arranged in the middle of the triangular notch (42) of the cage (4), a first end edge (411) is arranged at the oil inlet (41) of the cage (4), and a second end edge (431) is arranged at the oil outlet (43) of the cage (4).
9. The outer oiling type tapered roller bearing according to claim 8, wherein a thread groove is formed in the inner wall of the oil injection hole (11), a sealing assembly (14) is installed in the oil injection hole (11), the sealing assembly (14) comprises an inner pressing ring (141), a plunger (144) and an outer pressing ring (145), an inner arc hole (142) is formed in the middle of the inner pressing ring (141), and an outer arc hole (147) is formed in the middle of the outer pressing ring (145).
10. The outer oil injection type tapered roller bearing according to claim 9, wherein an inner operation groove (143) is formed in the front end of the inner pressure ring (141), and an outer operation groove (146) is formed in the front end of the outer pressure ring (145).
CN202310533857.9A 2023-05-12 2023-05-12 External oiling type tapered roller bearing Active CN116696936B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310533857.9A CN116696936B (en) 2023-05-12 2023-05-12 External oiling type tapered roller bearing

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Application Number Priority Date Filing Date Title
CN202310533857.9A CN116696936B (en) 2023-05-12 2023-05-12 External oiling type tapered roller bearing

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CN116696936B CN116696936B (en) 2024-09-20

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210371638U (en) * 2019-08-16 2020-04-21 杭州佳语节能科技有限公司 Roller bearing convenient to installation
CN210949540U (en) * 2019-11-08 2020-07-07 无锡延浦轴承制造有限公司 Self-aligning roller bearing
CN211820389U (en) * 2020-03-02 2020-10-30 人本集团有限公司 Double-row tapered roller bearing
CN214146266U (en) * 2020-12-11 2021-09-07 赵佳 Improved double-row cylindrical roller bearing
CN216199822U (en) * 2021-11-05 2022-04-05 大连创识风电科技发展有限公司 Lubricating structure for double-row conical bearing
CN216343401U (en) * 2021-11-30 2022-04-19 镇江宝龙轴承有限公司 Tapered roller bearing convenient to install and used for automobile gearbox
CN218894879U (en) * 2023-02-08 2023-04-21 马鞍山市飞凡机械有限公司 Cylindrical roller bearing for rolling mill

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210371638U (en) * 2019-08-16 2020-04-21 杭州佳语节能科技有限公司 Roller bearing convenient to installation
CN210949540U (en) * 2019-11-08 2020-07-07 无锡延浦轴承制造有限公司 Self-aligning roller bearing
CN211820389U (en) * 2020-03-02 2020-10-30 人本集团有限公司 Double-row tapered roller bearing
CN214146266U (en) * 2020-12-11 2021-09-07 赵佳 Improved double-row cylindrical roller bearing
CN216199822U (en) * 2021-11-05 2022-04-05 大连创识风电科技发展有限公司 Lubricating structure for double-row conical bearing
CN216343401U (en) * 2021-11-30 2022-04-19 镇江宝龙轴承有限公司 Tapered roller bearing convenient to install and used for automobile gearbox
CN218894879U (en) * 2023-02-08 2023-04-21 马鞍山市飞凡机械有限公司 Cylindrical roller bearing for rolling mill

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