CN116123210A - Outer ring cooling structure raceway temperature measurement double-half inner ring angular contact ball bearing - Google Patents

Outer ring cooling structure raceway temperature measurement double-half inner ring angular contact ball bearing Download PDF

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Publication number
CN116123210A
CN116123210A CN202310059627.3A CN202310059627A CN116123210A CN 116123210 A CN116123210 A CN 116123210A CN 202310059627 A CN202310059627 A CN 202310059627A CN 116123210 A CN116123210 A CN 116123210A
Authority
CN
China
Prior art keywords
outer ring
inner ring
half inner
ring
ball bearing
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.)
Pending
Application number
CN202310059627.3A
Other languages
Chinese (zh)
Inventor
李元宝
石东丹
周丽丽
张博博
许艳雷
舒广富
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.)
AVIC Harbin Bearing Co Ltd
Original Assignee
AVIC Harbin 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 AVIC Harbin Bearing Co Ltd filed Critical AVIC Harbin Bearing Co Ltd
Priority to CN202310059627.3A priority Critical patent/CN116123210A/en
Publication of CN116123210A publication Critical patent/CN116123210A/en
Pending legal-status Critical Current

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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
    • F16C19/02—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
    • F16C19/16—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 a single row of balls
    • F16C19/163—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 a single row of balls with angular contact
    • 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
    • F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
    • 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
    • F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • 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
    • F16C33/6677—Details of supply of the liquid to the bearing, e.g. passages or nozzles from radial inside, e.g. via a passage through the shaft and/or inner ring
    • 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
    • F16C33/6681—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • 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
    • F16C2233/00—Monitoring condition, e.g. temperature, load, vibration
    • 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
    • F16C2360/00—Engines or pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

An outer ring cooling structure raceway temperature measurement double-half inner ring angular contact ball bearing. The invention relates to the field of bearings, in particular to a raceway temperature-measuring double-half inner ring angular contact ball bearing with an outer ring cooling structure. The invention aims to solve the problems that the temperature difference between the inner ring and the outer ring is large, the surface temperature of the ferrule can only be detected, and the actual position temperature of the ferrule near the rollaway nest is not measurable. The rolling element comprises an outer ring, a first half inner ring, a second half inner ring, rolling elements and a retainer; the outer ring is circumferentially provided with an annular oil groove, and the end face of the outer ring is internally provided with a deep hole. The invention can forcedly cool the outer ring to the oil groove of the outer ring, the oil groove of the outer ring is filled with the lubricating oil, and the heat generated by the outer ring is taken away by the flowing of the lubricating oil in the oil groove of the outer ring, thereby achieving the purpose of cooling the outer ring, immediately playing a role, and simultaneously, the invention can detect the temperature of the near raceway of the outer ring of the bearing in real time.

Description

Outer ring cooling structure raceway temperature measurement double-half inner ring angular contact ball bearing
Technical Field
The invention relates to the field of bearings, in particular to a raceway temperature-measuring double-half inner ring angular contact ball bearing with an outer ring cooling structure.
Background
In the mainstream aero-engine at present, as the power of the aero-engine is continuously increased, the dn value of the bearing is continuously increased, and the highest dn value of the main shaft bearing of the domestic aero-engine at present is more than 3.0 multiplied by 10 6 The mm & r/min, the heat generation amount of the bearing is continuously increased due to the increase of the dn value of the bearing, the lubrication structure of the bearing is improved, the lubrication structure is generally improved from side spraying to an under-ring lubrication structure of an inner ring, but the outer ring of the bearing cannot be directly cooled due to the spatial structure relation, so that the temperature difference between the inner ring and the outer ring is large, the surface temperature of the ring can only be detected, and the actual position temperature of the ring near a raceway cannot be measured.
Disclosure of Invention
The invention provides the raceway temperature-measuring double-half inner ring angular contact ball bearing with the outer ring cooling structure for solving the problems.
The invention relates to a raceway temperature-measuring double-half inner ring angular contact ball bearing with an outer ring cooling structure, which comprises an outer ring, a first half inner ring, a second half inner ring, rolling bodies and a retainer; the first half inner ring and the second half inner ring are spliced together, a retainer is arranged between the first half inner ring, the second half inner ring and the outer ring, and rolling bodies are arranged in pockets of the retainer and are respectively in rolling contact with the first half inner ring, the second half inner ring and the outer ring; the outer ring is circumferentially provided with 5 circles of annular oil grooves, and the end face of the outer ring is internally provided with deep holes.
The invention has the advantages that:
the invention provides a double-half inner ring angular contact ball bearing, wherein the outer ring of the bearing can be forced to cool the outer ring in the circumferential oil groove, the outer ring is filled with lubricating oil, and the heat generated by the outer ring is taken away through the flow of the lubricating oil in the outer ring oil groove, so that the purpose of cooling the outer ring is achieved, the effect is immediately achieved, and meanwhile, the temperature of a near raceway of the outer ring of the bearing can be detected in real time. In compact structure, high-speed engine, with the forced cooling of bearing outer lane, make bearing inner and outer lane difference in temperature reduce, reduce because of the great risk that causes the bearing operation unstable and breaks down of inner and outer lane difference in temperature, but real-time detection bearing outer lane near raceway temperature knows bearing work area actual temperature simultaneously.
Drawings
FIG. 1 is a schematic structural view of an outer ring cooling structure raceway temperature measurement double-half inner ring angular contact ball bearing;
FIG. 2 is a side view of an outer ring cooling structure raceway temperature measurement double-half inner ring angular contact ball bearing;
FIG. 3 is a view in the direction A of FIG. 2;
fig. 4 is a partial enlarged view of an outer ring cooling structure raceway temperature measuring double-half inner ring angular contact ball bearing.
Detailed Description
The first embodiment is as follows: referring to the drawings, the embodiment is described, and the raceway temperature measuring double-half inner ring angular contact ball bearing with the outer ring cooling structure comprises an outer ring 1, a first half inner ring 2-1, a second half inner ring 2-2, rolling bodies 3 and a retainer 4; the first half inner ring 2-1 and the second half inner ring 2-2 are spliced together, a retainer 4 is arranged between the first half inner ring 2-1, the second half inner ring 2-2 and the outer ring 1, and the rolling bodies 3 are arranged in pockets of the retainer and are respectively in rolling contact with the first half inner ring 2-1, the second half inner ring 2-2 and the outer ring 1; the outer ring 1 is circumferentially provided with 5 circles of annular oil grooves, and the end face of the outer ring 1 is internally provided with deep holes.
The embodiment can meet the use requirement of the bearing with high dn value, improve the lubrication of the outer ring of the bearing, reduce the temperature difference between the inner ring and the outer ring and detect the temperature of the near raceway of the outer ring of the bearing, and can detect the actual temperature of the near raceway of the outer ring of the bearing.
The second embodiment is as follows: the first difference between this embodiment and the specific embodiment is that: the depth of the annular oil groove is 0.8mm. The other is the same as in the first embodiment.
And a third specific embodiment: the first difference between this embodiment and the specific embodiment is that: the diameter of the deep hole is 1mm, and the depth is 5mm. The other is the same as in the first embodiment.
The specific embodiment IV is as follows: the first difference between this embodiment and the specific embodiment is that: and a temperature sensor is arranged in the deep hole. The other is the same as in the first embodiment.
When the bearing runs, the outer ring directly supplies oil to the oil groove in a forced way to cool the outer ring.
Fifth embodiment: the first difference between this embodiment and the specific embodiment is that: the inner diameter of the first half inner ring is provided with an axial U-shaped groove with an angle, and simultaneously, the radial direction is provided with an oil hole for supplying oil to the retainer and a radial oil groove for directly supplying oil to the rolling body. The other is the same as in the first embodiment.
The inner diameter of the first half inner ring is formed by an axial U-shaped groove with an angle, an oil hole for supplying oil to the retainer and a radial oil groove for directly supplying oil to the rolling body are machined in the radial direction, carburizing steel is adopted as the material, the raceway and the flange are subjected to carburizing treatment, and the hardness of the working surface is increased while the toughness of the ferrule is improved.
The beneficial effects of the invention are verified by the following examples:
the raceway temperature-measuring double-half inner ring angular contact ball bearing with the outer ring cooling structure comprises an outer ring 1, a first half inner ring 2-1, a second half inner ring 2-2, rolling bodies 3 and a retainer 4; the first half inner ring 2-1 and the second half inner ring 2-2 are spliced together, a retainer 4 is arranged between the first half inner ring 2-1, the second half inner ring 2-2 and the outer ring 1, and the rolling bodies 3 are arranged in pockets of the retainer and are respectively in rolling contact with the first half inner ring 2-1, the second half inner ring 2-2 and the outer ring 1; the outer ring 1 is circumferentially provided with 5 circles of annular oil grooves, and the end face of the outer ring 1 is internally provided with deep holes. The inner diameter of the first half inner ring 2-1 is provided with an axial U-shaped groove with an angle, and simultaneously, the radial direction is provided with an oil hole for supplying oil to the retainer 4 and a radial oil groove for directly supplying oil to the rolling body 3; the depth of the annular oil groove is 0.8mm; the diameter of the deep hole is 1mm, and the depth is 5mm; and a temperature sensor is arranged in the deep hole.
The design method is the first application of the bearing of the domestic turboprop engine, and the bearing is successfully finished in the engine
The performance bottoming test is finished, the bearing state is good after the test, the temperature of the outer ring can be reduced by 10 ℃ before the improvement in the test process, and the cooling effect is good.

Claims (5)

1. The double-half inner ring angular contact ball bearing for measuring the temperature of the raceway of the outer ring cooling structure is characterized by comprising an outer ring (1), a first half inner ring (2-1), a second half inner ring (2-2), rolling bodies (3) and a retainer (4); the first half inner ring (2-1) and the second half inner ring (2-2) are spliced together, a retainer (4) is arranged between the first half inner ring (2-1), the second half inner ring (2-2) and the outer ring (1), and the rolling bodies (3) are arranged in pockets of the retainer and are respectively in rolling contact with the first half inner ring (2-1), the second half inner ring (2-2) and the outer ring (1); the outer ring (1) is circumferentially provided with 5 circles of annular oil grooves, and the end face of the outer ring (1) is internally provided with deep holes.
2. The outer ring cooling structure raceway temperature measurement double-half inner ring angular contact ball bearing is characterized in that the depth of the annular oil groove is 0.8mm.
3. The outer ring cooling structure raceway temperature measurement double-half inner ring angular contact ball bearing is characterized in that the diameter of the deep hole is 1mm, and the depth is 5mm.
4. The outer ring cooling structure raceway temperature measurement double-half inner ring angular contact ball bearing is characterized in that a temperature sensor is arranged in the deep hole.
5. The raceway temperature-measuring double-half inner-ring angular contact ball bearing with the outer ring cooling structure according to claim 1 is characterized in that an axial U-shaped groove with an angle is machined at the inner diameter position of the first half inner ring (2-1), and meanwhile an oil hole for supplying oil to a retainer (4) and a radial oil groove for directly supplying oil to a steel ball (3) are machined in the radial direction.
CN202310059627.3A 2023-01-17 2023-01-17 Outer ring cooling structure raceway temperature measurement double-half inner ring angular contact ball bearing Pending CN116123210A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310059627.3A CN116123210A (en) 2023-01-17 2023-01-17 Outer ring cooling structure raceway temperature measurement double-half inner ring angular contact ball bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310059627.3A CN116123210A (en) 2023-01-17 2023-01-17 Outer ring cooling structure raceway temperature measurement double-half inner ring angular contact ball bearing

Publications (1)

Publication Number Publication Date
CN116123210A true CN116123210A (en) 2023-05-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310059627.3A Pending CN116123210A (en) 2023-01-17 2023-01-17 Outer ring cooling structure raceway temperature measurement double-half inner ring angular contact ball bearing

Country Status (1)

Country Link
CN (1) CN116123210A (en)

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