CN106525432A - Dual-rotor bearing testing machine test cabin and recovered oil structure - Google Patents

Dual-rotor bearing testing machine test cabin and recovered oil structure Download PDF

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Publication number
CN106525432A
CN106525432A CN201611219768.3A CN201611219768A CN106525432A CN 106525432 A CN106525432 A CN 106525432A CN 201611219768 A CN201611219768 A CN 201611219768A CN 106525432 A CN106525432 A CN 106525432A
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China
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test
oil
armature spindle
bearing
ring
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CN201611219768.3A
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CN106525432B (en
Inventor
于伟涛
司东宏
李济顺
马喜强
隋新
薛玉君
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Henan University of Science and Technology
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Henan University of Science and Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/04Bearings

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Rolling Contact Bearings (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

A dual-rotor bearing testing machine test cabin and recovered oil structure provided by the invention comprises a test cabin cover for forming a test cabin in a circle and a rotor shaft for arranging the test bearing, the rotor shaft passes through the test cabin and the test bearing is located in the test cabin, the rotor shaft is composed of an inner ring rotor shaft and an outer ring rotor shaft which have the hollow structures, the inner ring of the test bearing is fixedly connected with the inner ring rotor shaft through a lubrication sleeve under the ring, and the outer ring is fixedly connected with the test end of the outer ring rotor shaft; the test end of the outer ring rotor shaft is cylindrical and has an inner diameter which is larger than the outer diameter of the shaft body of the outer ring rotor shaft, and the test end of the outer ring rotor shaft is provided with a plurality of oil return passages from inside to outside in a penetrating way; and the outer wall of the lubrication sleeve under the ring is provided with a plurality of mutually parallel spiral grooves which have the direction of turning being the same as the rotation direction of the inner ring rotor shaft. The dual-rotor bearing testing machine test cabin and recovered oil structure employs a test cabin cover to separate the test bearing with the assistant test bearing of the testing machine, and has a plurality of recovered oil structures so as to improve the recovery rate of the lubricating oil.

Description

A kind of birotor bearing tester experimental cabin and oil recovery structure
Technical field
The present invention relates to bearing tester technical field, specifically a kind of birotor bearing tester experimental cabin and return Receive oily structure.
Background technology
Bearing is important, key foundation parts in equipment manufacturing, directly decides performance, reliability and the longevity of equipment Life;Due to bearing work under bad environment, the load working condition that bears is complicated, will have long enough even to equip life cycle management exempts from Safeguard etc., during designing and developing and manufacturing must the countershaft checking for making corresponding simulated condition on testing machine, For research, design, manufacture and using providing reliable test data, for the design of bearing, manufacture and use foundation is provided.
In the R&D process of bearing, bearing test is a very important link, and it is larger to be particularly some sizes, work When making, rotating speed is higher, and strong rolling bearing loaded more needs the performance through strict test to ensure bearing to reach application Standard.Traditional bearing tester is mostly the structure that outer ring or inner ring are fixed, it is impossible to operationally need suitable for some The bearing that Internal and external cycle is rotated simultaneously.Although also there is the application of some birotor bearing testers, universal rotating speed is low, load Little, the size of bearing is also less, and under high speed conditions, the part such as lubricating system, shafting is all very easy to break down, and In due to high speed test environment, high temperature grease outwards can splash under the influence of centrifugal force, can not only increase lubricating oil Consumption, can also cause to have a strong impact on to testpieces miscellaneous part, not only affect the accurate acquisition of testpieces test data, also hold Easily cause the damage of miscellaneous part.
The content of the invention
In order to solve deficiency of the prior art, the present invention provides a kind of birotor bearing tester experimental cabin and oil recovery Structure, makes test bearing keep apart with other parts completely, and by independent centrifugation oil return apparatus and many back oil roads are set come The timely backflow of test bearing lubricating oil is ensured, lubrication recovery of oil can be avoided to cause test bearing resistance to increase and temperature not in time Degree is raised, it is ensured that the accurate and effective of testing machine reliability service and the measurement of each collecting sensor signal.
To achieve these goals, the concrete scheme that adopts of the present invention for:
A kind of birotor bearing tester experimental cabin and oil recovery structure, including for surrounding the test hatchcover of experimental cabin and be used for The armature spindle of test bearing is set, and armature spindle passes through experimental cabin and test bearing is located in experimental cabin, and the armature spindle is by hollow The inner ring armature spindle of structure and outer ring armature spindle composition, the inner ring of test bearing are fixed with inner ring armature spindle by lubricating sleeve under ring Connect, and outer ring is fixedly connected with the test end of outer ring armature spindle;The test end of the outer ring armature spindle is cylindrical and internal diameter More than the external diameter of outer ring armature spindle axle body, the test end also from inside to outside insertion of outer ring armature spindle is provided with some back oil roads; The rotation side of a plurality of helicla flute being parallel to each other, its rotation direction and inner ring armature spindle is further opened with the ring on the outer wall of lubricating sleeve To identical.
The tapered tubular of changeover portion of the outer ring rotor shaft experiment end and axle body, and turning from inner ring rotor axial outer ring On the direction of sub- axle, internal diameter is gradually reduced.
The back oil road is obliquely installed, and from inside to outside inclines on the direction of outer ring rotor axial inner ring armature spindle.
Infrared temperature sensor is additionally provided with the experimental cabin lid.
Sensor stand is additionally provided with the experimental cabin lid, contactless vibration is provided with sensor stand and is passed Sensor and noise transducer.
The bottom of the test hatchcover is further opened with reclaiming oilhole, and the recovered oilhole of lubricating oil of test discharges test Cabin.
The bottom of the test hatchcover is also fixedly connected with lubrication oil supply disk under ring, lubricating oil lubrication oil supply disk under ring Ring under lubricating sleeve is sprayed to afterwards uniformly.
Two oil-ways arranged side by side are offered under the ring on the outer wall of lubricating sleeve, oil-way along the circumferential direction prolongs Stretch;Under ring, the inside of lubricating sleeve offers a plurality of oil spout road for axially extending, and oil spout road is uniformly distributed in a circumferential direction And be connected with lubrication oil supply disk and oil-way under ring respectively.
Two oil-ways are connected by several interface channels, and interface channel uniformly divides in a circumferential direction Cloth, interface channel are corresponded with the oil spout road and are connected with oil spout road by several nozzle openings.
Under the ring, lubricating sleeve outer wall is two-stage hierarchic structure, and the test bearing is set on lower echelon, tests axle The inner ring for holding passes through senior ladder and ladder covers axial limiting, and ladder set is located at test bearing near the one of outer ring armature spindle Side;The helicla flute is U-type groove, is arranged on senior ladder.
Beneficial effect:
1st, under the ring that test bearing is adopted, lubrication system is identical with actual working environment, to greatest extent the actual work of simulation bearing Condition;
2nd, realize lubricating under ring by lubricating sleeve under independent ring, for the bearing of different model, it is only necessary to change corresponding Lubricating sleeve under ring, not only easy accessibility, and the stress concentration that installation test bearing is produced to armature spindle can be improved;
3rd, the test end of outer ring armature spindle arranges multiple back oil roads, and the lubricating oil for splashing out from test bearing is in centrifugal action Lower edge back oil road falls in test hatchcover, not only accelerates lubrication oil recovery, and prevents high temperature grease to enter inside and outside circle The hollow axle center shaft revolution at a high speed motion of armature spindle works the mischief;
4th, a plurality of U-shaped helicla flute is provided with lubricating sleeve under ring, is made in spiral fluted from the lubricating oil of test bearing outflow With the lower flowing for accelerating oil, test bearing inner ring radiating efficiency is improved;
5th, the examination bearing of accompanying of test bearing and testing machine is kept apart using test hatchcover, it is to avoid extraneous lubricating oil is to testing axle Hold the impact of lubrication detection.
Description of the drawings
Fig. 1 is overall structure diagram;
Fig. 2 is lubricating sleeve structural representation under ring.
Reference:1st, inner ring armature spindle, 2, outer ring armature spindle, 3, test hatchcover, 4, sensor stand, 5, back oil road, 6th, ladder set, 7, lubricating sleeve under ring, 701, nozzle opening, 702, oil-way, 703, helicla flute, 8, test bearing 8,9, infrared temperature Degree sensor, 10, gland, 11, lubrication oil supply disk under ring, 12, reclaim oilhole, 13, oil-collecting cavity.
Specific embodiment
Embodiments of the present invention are illustrated below according to accompanying drawing.
As shown in figure 1, a kind of birotor bearing tester experimental cabin and oil recovery structure, including for surrounding experimental cabin Test hatchcover 3 and the armature spindle for arranging test bearing 8, armature spindle passes through experimental cabin and test bearing 8 is located in experimental cabin. The armature spindle is made up of the inner ring armature spindle 1 and outer ring armature spindle 2 of hollow structure, and the inner ring of test bearing 8 is by moistening under ring Sliding sleeve 7 is fixedly connected with inner ring armature spindle 1, and outer ring is fixedly connected with the test end of outer ring armature spindle 2;The outer ring armature spindle 2 test end is cylindrical and internal diameter more than 2 axle body of outer ring armature spindle external diameter, the test end of outer ring armature spindle 2 is also from introversion Outer insertion is provided with some back oil roads 5, and back oil road 5 is obliquely installed, in outer ring armature spindle 2 on the direction of inner ring armature spindle 1 From inside to outside incline.Be further opened with a plurality of helicla flute 703 being parallel to each other under the ring on the outer wall of lubricating sleeve 7, its rotation direction with The direction of rotation of inner ring armature spindle 1 is identical.The test end of outer ring armature spindle 2 and the tapered tubular of changeover portion of axle body, and It is gradually reduced from inner ring armature spindle 1 to internal diameter on the direction of outer ring armature spindle 2.
As shown in Fig. 27 outer wall of lubricating sleeve is two-stage hierarchic structure under the ring, the test bearing 8 is set in rudimentary rank On ladder, the inner ring of test bearing 8 passes through senior ladder and ladder 6 axial limitings of set, and ladder set 6 is located at leaning on for test bearing 8 The side of nearly outer ring armature spindle 2.The helicla flute 703 is U-type groove, is opened under ring on the senior ladder of 7 outer wall of lubricating sleeve. Two oil-ways 702 arranged side by side are further opened with ring on the lower echelon of the outer wall of lubricating sleeve 7, oil-way 702 is circumferentially Direction extends, and two oil-ways 702 are connected by several interface channels, and interface channel uniformly divides in a circumferential direction Cloth.Under ring, the inside of lubricating sleeve 7 offers a plurality of oil spout road for axially extending, oil spout road and two oil-ways 702 it Between interface channel correspond, and be connected with interface channel by being opened in the nozzle opening 701 under ring on 7 body of lubricating sleeve It is logical.Under ring, one end of lubricating sleeve 7 is further opened with a cavity, when under ring, lubricating sleeve 7 is set on inner ring armature spindle 1, empty The cavity of one ring-type of formation between the inwall and inner ring armature spindle 1 in chamber, oil-collecting cavity 13 of the cavity as lubricating sleeve under ring 7, Oil-collecting cavity 13 is connected with oil spout road.Oil-collecting cavity 13, oil spout road, 702 common structure of nozzle opening 701, interface channel and oil-way The lubricant passage way of lubricating sleeve 7 under cyclization.
As shown in figure 1, the bottom of the test hatchcover 3 is also fixedly connected with lubrication oil supply disk 11 under ring, under ring, lubrication is supplied Food tray 11 is internally provided with four road oil input channels and 9 road nozzle bores, and nozzle is provided with nozzle bore, and nozzle is towards lubricating sleeve under ring 7 Oil-collecting cavity 13.Lubricating oil uniform oil-collecting cavity 13 for spraying into lubricating sleeve 7 under ring after lubrication oil supply disk 11 under ring, then in ring When lower lubricating sleeve 7 rotates, under the influence of centrifugal force according to this through oil spout road, nozzle opening 701, interface channel and oil-way Test bearing 8 is entered after 702, test bearing 8 is lubricated.Using multichannel oil-feed and multichannel oil spout, it is ensured that ejection It is all balanced per the oil mass of lubricating oil, speed all the way, and then make the lubricating oil under ring on lubricating sleeve 7 be evenly distributed, it is also convenient for basis Different tests bearing 8 requires to be adjusted to the different of lubricants capacity, while, moreover it is possible to make overall frame for movement compacter, Easy disassembly and debugging.
In process of the test, after lubricating oil is lubricated test bearing 8, splash out from raceway, flow into Lubricating oil on the right side of test bearing 8 in the presence of inner and outer Rotator axle centrifugal force, the back oil road 5 arranged from outer ring armature spindle 2 Pump is to experimental cabin;The lubricating oil flowed on the left of test bearing 8 is fast in the presence of inner and outer Rotator axle centrifugal force and helicla flute 703 Speed leaves test bearing 8.This process accelerates lubricating oil and leaves test bearing 8, prevents high temperature grease to 8 He of test bearing Inside and outside shafting carries out a series of harm that high-temperature heating brings.
Under ring, lubricating sleeve 7 can make Multiple Type according to the test of different model bearing in the case where internal diameter is constant, Realize that same testing machine does various bearing tests, the test tool lead time can be greatly shortened, reduce the cost of test.
The bottom of the test hatchcover 3 is further opened with reclaiming oilhole 12, and the recovered oilhole of lubricating oil 12 of test is discharged Experimental cabin.Under oil recovery structure function, lubricated lubricating oil flies on the side wall of test hatchcover 3, under gravity Free-falling, is flowed out from experimental cabin by reclaiming oilhole 12.Oil gas treating device can be set on test hatchcover 3, to discharging Waste gas oil gas carry out filtering, adsorb etc. and process, discharge after reaching discharge standard, can avoid polluting environment, can also protect The health of testing crew.
Infrared temperature sensor 9 and sensor stand 4 are additionally provided with the test hatchcover 3, are provided with sensor stand 4 Contactless vibrating sensor and noise transducer.The sensor of each monitoring adopts high temperature resistant non-contact sensor Device, not only install, convenient disassembly, and with process of the test in high pollution environment separation, ensure monitoring information accurately and reliably While, additionally it is possible to prevent sensor to be subject to oil vapour pollution and cause failure.

Claims (10)

1. a kind of birotor bearing tester experimental cabin and oil recovery structure, including for surrounding the test hatchcover of experimental cabin(3) With for arranging test bearing(8)Armature spindle, armature spindle passes through experimental cabin and test bearing(8)In experimental cabin, which is special Levy and be:Inner ring armature spindle of the armature spindle by hollow structure(1)With outer ring armature spindle(2)Composition, test bearing(8)It is interior Circle is by lubricating sleeve under ring(7)With inner ring armature spindle(1)It is fixedly connected, and outer ring and outer ring armature spindle(2)Test end fix Connection;
The outer ring armature spindle(2)Test end is cylindrical and internal diameter is more than outer ring armature spindle(2)The external diameter of axle body, outer ring turn Sub- axle(2)The also from inside to outside insertion of test end be provided with some back oil roads(5);
Lubricating sleeve under the ring(7)Outer wall on be further opened with a plurality of helicla flute being parallel to each other(703), its rotation direction and inner ring turn Sub- axle(1)Direction of rotation it is identical.
2. a kind of birotor bearing tester experimental cabin as claimed in claim 1 and oil recovery structure, it is characterised in that:It is described Outer ring armature spindle(2)Test end and the tapered tubular of changeover portion of axle body, and from inner ring armature spindle(1)To outer ring armature spindle (2)Direction on internal diameter be gradually reduced.
3. a kind of birotor bearing tester experimental cabin as claimed in claim 1 and oil recovery structure, it is characterised in that:It is described Back oil road(5)It is obliquely installed, in outer ring armature spindle(2)To inner ring armature spindle(1)Direction on from inside to outside incline.
4. a kind of birotor bearing tester experimental cabin as claimed in claim 1 and oil recovery structure, it is characterised in that:It is described Test hatchcover(3)On be additionally provided with infrared temperature sensor(9).
5. a kind of birotor bearing tester experimental cabin as claimed in claim 1 and oil recovery structure, it is characterised in that:It is described Test hatchcover(3)On be additionally provided with sensor stand(4), in sensor stand(4)On be provided with contactless vibrating sensing Device and noise transducer.
6. a kind of birotor bearing tester experimental cabin as claimed in claim 1 and oil recovery structure, it is characterised in that:It is described Test hatchcover(3)Bottom be further opened with reclaim oilhole(12), the recovered oilhole of lubricating oil of test(12)Discharge experimental cabin.
7. a kind of birotor bearing tester experimental cabin as claimed in claim 1 and oil recovery structure, it is characterised in that:It is described Test hatchcover(3)Bottom be also fixedly connected with lubrication oil supply disk under ring(11), lubricating oil lubrication oil supply disk under ring(11) Ring under lubricating sleeve is sprayed to afterwards uniformly(7).
8. a kind of birotor bearing tester experimental cabin as claimed in claim 7 and oil recovery structure, it is characterised in that:It is described Lubricating sleeve under ring(7)Outer wall on offer two oil-ways arranged side by side(702), oil-way(702)Along the circumferential direction prolong Stretch;The lubricating sleeve under ring(7)Inside offer a plurality of oil spout road for axially extending, oil spout road uniformly divides in a circumferential direction Cloth and respectively with lubrication oil supply disk under ring(11)And oil-way(702)It is connected.
9. a kind of birotor bearing tester experimental cabin as claimed in claim 8 and oil recovery structure, it is characterised in that:It is described Two oil-ways(702)It is connected by several interface channels, interface channel is uniformly distributed in a circumferential direction, connection is logical Road is corresponded with the oil spout road and by several nozzle openings(701)It is connected with oil spout road.
10. a kind of birotor bearing tester experimental cabin as claimed in claim 1 and oil recovery structure, it is characterised in that:Institute State lubricating sleeve under ring(7)Outer wall be two-stage hierarchic structure, the test bearing(8)It is set on lower echelon, test bearing(8) Inner ring pass through senior ladder and ladder set(6)Axial limiting, and ladder set(6)Positioned at test bearing(8)Near outer ring rotor Axle(2)Side;The helicla flute(703)For U-type groove, it is arranged on senior ladder.
CN201611219768.3A 2016-12-26 2016-12-26 Oil recovery structure of double-rotor bearing testing machine Active CN106525432B (en)

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CN109373171A (en) * 2018-12-19 2019-02-22 中国航发沈阳发动机研究所 A kind of bearing receives oily structure and receives oily Efficiency test method
CN110307979A (en) * 2019-08-12 2019-10-08 中车株洲电机有限公司 A kind of bearing visual test device and method
CN112880991A (en) * 2021-01-14 2021-06-01 南方科技大学 Rotor experimental device for simulating maneuvering flight
CN117233359A (en) * 2023-11-15 2023-12-15 孚迪斯石油化工科技(葫芦岛)股份有限公司 Aviation lubricating oil bearing test device

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN109373171A (en) * 2018-12-19 2019-02-22 中国航发沈阳发动机研究所 A kind of bearing receives oily structure and receives oily Efficiency test method
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CN112880991B (en) * 2021-01-14 2022-11-25 南方科技大学 Rotor experimental device for simulating maneuvering flight
CN117233359A (en) * 2023-11-15 2023-12-15 孚迪斯石油化工科技(葫芦岛)股份有限公司 Aviation lubricating oil bearing test device
CN117233359B (en) * 2023-11-15 2024-02-02 孚迪斯石油化工科技(葫芦岛)股份有限公司 Aviation lubricating oil bearing test device

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