CN103323243B - There is flexibly mounted bush(ing) bearing experiment table - Google Patents
There is flexibly mounted bush(ing) bearing experiment table Download PDFInfo
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- CN103323243B CN103323243B CN201310215538.XA CN201310215538A CN103323243B CN 103323243 B CN103323243 B CN 103323243B CN 201310215538 A CN201310215538 A CN 201310215538A CN 103323243 B CN103323243 B CN 103323243B
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Abstract
The present invention relates to one and there is flexibly mounted bush(ing) bearing experiment table, it comprises experiment table pedestal, block bearing, main shaft, experiment bearing, jetting system, main shaft positioning device are assembled.Experiment table pedestal is used for positioning block bearing and providing grease channel, main shaft two ends are supported by block bearing, block bearing is the back-to-back mounted in pairs mode of angular contact bearing, front-end of spindle block bearing Internal and external cycle all carries out axial restraint, rear-end of spindle block bearing inner ring axial restraint, race bearing allows certain moving axially.Experiment bearing is suspended in the middle of main shaft, can fluctuate, guide piece is all equipped with in experiment bearing two ends, prevent the deflection of testing bearing, but do not limit the motion of experiment bearing in sagittal plane, experiment Bearing outer is equipped with flexible member, regulates experiment bearing stiffness by changing spring rate.Experiment table pedestal there is bolt mounting holes, can be arranged on suitable T-slot platform.
Description
Technical field
The present invention relates to one and there is flexibly mounted bush(ing) bearing experiment table.This experiment table can carry out the characteristic test research of bush(ing) bearing under elastic foundation condition.
Background technology
The outstanding advantage such as bush(ing) bearing is large with load-bearing capacity, shock-resistant, resistance to shock is good, is widely used in rotating machinery.Current most of bush(ing) bearing experiment table, is mainly used to the static characteristics measuring sliding bearing, and as temperature, pressure, oil film thickness etc. characterize the parameter of static characteristic, minority bush(ing) bearing experiment table can measure the dynamic perfromance of sliding bearing.Part bush(ing) bearing experiment table, due to structure, is inconvenient to the operating load providing bearing, and can not change experiment bearing, and the type of experiment bearing and version are restricted.Also have part bush(ing) bearing experiment table to be subject to the restriction of lubricating condition, experimental study can not be carried out to bush(ing) bearing under change support stiffness condition.
Summary of the invention
The object of the invention is the defect existed for prior art, provide a kind of can be used under high-speed working condition condition, experiment bearing can be convenient for changing again and can change support stiffness there is flexibly mounted bush(ing) bearing experiment table.
For achieving the above object, design of the present invention is:
Task of the present invention is to provide a kind of high-speed slide bearing experiment table that can carry out bush(ing) bearing experimental study under elastic bearing condition, this will ask experiment table can meet low speed lubricating condition can meet high-speed lubrication condition again, there is the function regulating bearing stiffness, bush(ing) bearing experiment table can provide rational operating load to experiment bearing, the actual condition of simulation sliding bearing, and experiment bearing is changed, make the bush(ing) bearing that can carry out polytype and version on an experiment table carry out experimental study.This experiment table adopts inversion type structure, and the two ends of main shaft are block bearing, in the middle of main shaft, experiment bearing is housed, and experiment Bearing outer is equipped with flexible member; This experiment table is designed with the passage of lubricating oil turnover and block bearing is carried out to the device of jet lubrication on experiment table pedestal, at low speeds, experiment table can adopt lower-cost grease lubrication mode, under high-speed condition, the jet lubrication mode of experiment table can be started, block bearing is lubricated.
According to foregoing invention design, the technical solution used in the present invention is:
A kind of inversion type high speed bush(ing) bearing experiment table, comprises experiment table pedestal, fulcrum arrangement, main shaft, experiment bearing, jetting system and main shaft positioning device, it is characterized in that: described front-end of spindle has keyway, can connect external drive system; Front end support is: have the angular contact bearing installed back-to-back for a pair, the inner ring of these two angular contact bearings is fixed on the cascaded surface of main shaft by a set nut and a locating ring, the outer ring of these two angular contact bearings is fixed on a table base and an experiment table by two rolling bearing end caps and covers, and rolling bearing end cap is fixed on table base and experiment table by socket head cap screw and covers; Two angular contact bearing outer ring sandwich one, table base have into oil discharge passage with wide sparge ring with locating ring, and oil inlet passage connects sparge ring; The rear end fulcrum arrangement of described main shaft is originally the same with the same end group of fixed form, unique difference is that the outer ring of two angular contact bearings in rear end does not contact with rear end rolling bearing end cap, rolling bearing end cap and between rolling bearing end cap and table base, O RunddichtringO is all housed, is used for preventing the leakage of lubricating oil; The maximum gauge place of main shaft is provided with experiment bearing: be enclosed within the part of main shaft for experiment bearing shell, experiment bearing shell is embedded in experiment bearing seat, sliding bearing end cap is equipped with at experiment bearing seat two ends, experiment bearing seat is provided with three guide spiro rods, these three guide spiro rods become 120 ° uniform, and the nut assembled by its two ends regulates installation site, flexible member is equipped with in experiment bearing seat outside: be made up of one group of support spring and spring retainer, regulates experiment bearing stiffness by changing spring rate.
Described experiment table pedestal is by base, upper cover and a few part composition of bearing (ball) cover, upper cover part has oil inlet passage, oil-in is round mouth, be processed with fine thread, conveniently connect lubricating oil pipe, base portion has drainback passage, drainback passage is also round mouth, be processed with fine thread, connect oil returning tube, base portion is designed with datum strip, be convenient to the measurement being installed on experimental result of testing bearing, bearing (ball) cover is divided into front end end cap and rear end end cap, two kinds of structures are slightly different, front end end cap contacts with front end block bearing, carry out bearing location, rear end end cap does not contact with rear end block bearing, experiment table pedestal is formed by iron casting aft-loaded airfoil.
Described block bearing is high precision angular contact bearing, and can carry out axial location after mounted in pairs, limit speed is high.
Described main axle structure is staged, and front end is connected with drive system by flat key, and supporting cascaded surface can install high-precision rolling bearing, and bush(ing) bearing can be installed in centre, materials'use 40Cr, or the better material of mechanical property.
Described experiment bearing forms by testing bearing shell and testing bearing seat, adopt split type structure, experiment bearing shell 40Cr or bearing steel are as idiosome, bearing shell surface casting has antifriction quality and the better Babbitt alloy material of wearing quality, experiment bearing is used for fixing bearing shell and connects the charger to experiment bearing imposed load, materials'use 40Cr or bearing steel, experiment Bearing outer has elastic component, and is made up of spring retainer and one group of spring.
Described jetting system mainly can be connected with the oil inlet passage in experiment table pedestal upper cover, by reducing the size of grease channel size, improving lubricating oil flow speed, thus lubricating oil is ejected on block bearing.Materials'use 40Cr or bearing steel.
Described main shaft positioning device comprises set nut and locating ring composition.Set nut is used for carrying out axial location to block bearing inner ring, is connected and fixed by screw thread and main shaft, locating ring and sparge ring wide, between the block bearing being arranged on every a pair back-to-back installation, help set nut to carry out axial location to block bearing.
The present invention, compared with existing bush(ing) bearing experiment table technology, has following outstanding substantive distinguishing features and remarkable advantage: this experiment table can regulate the support stiffness of experiment bearing, can carry out bearing test under elastic foundation; Experiment table can carry out the bush(ing) bearing experimental study of polytype and version; Experiment table had not only carried out grease lubrication to bearing but also can carry out oil lubrication, can meet the lubricating requirement under low speed and high-speed working condition; The impact that the vibration that experiment table can reduce drive system can avoid again main shaft thermal deformation to bring experimental result on the impact of axis system.
Accompanying drawing explanation
Fig. 1 is the general structure three-dimensional plot of bush(ing) bearing experiment table of the present invention.
Fig. 2 is the cross-sectional schematic of bush(ing) bearing experiment table of the present invention.
Fig. 3 is the left view of bush(ing) bearing experiment table of the present invention.
Fig. 4 is the vertical view of bush(ing) bearing experiment table of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Embodiment one:
See Fig. 1 ~ Fig. 4, originally there is flexibly mounted bush(ing) bearing experiment table, comprise experiment table pedestal, fulcrum arrangement, main shaft (1), experiment bearing, jetting system and main shaft positioning device, it is characterized in that: described main shaft (1) front end has keyway, can connect external drive system, front end support is: have the angular contact bearing (5) installed back-to-back for a pair, the inner ring of these two angular contact bearings (5) is fixed on the cascaded surface of main shaft (1) by a set nut (3) and a locating ring (10), the outer ring of these two angular contact bearings (5) is fixed on a table base (18) and an experiment table upper cover (7) by two rolling bearing end caps (2), and rolling bearing end cap (2) is fixed on table base (18) and experiment table upper cover (7) by socket head cap screw (8), two angular contact bearing (5) outer ring sandwich one are with locating ring (10) with wide sparge ring (6), and (18) have into oil discharge passage table base, and oil inlet passage connects sparge ring (6), the rear end fulcrum arrangement of described main shaft (1) is originally the same with the same end group of fixed form, unique difference is that the outer ring of two angular contact bearings (5) in rear end does not contact with rear end rolling bearing end cap (9), rolling bearing end cap (2) and between rolling bearing end cap (9) and table base (18), O RunddichtringO (4) is all housed, is used for preventing the leakage of lubricating oil, the maximum gauge place of main shaft (1) is provided with experiment bearing: be enclosed within the part of main shaft (1) for experiment bearing shell (11), it is inner that experiment bearing shell is embedded in experiment bearing seat (15), sliding bearing end cap (14) is equipped with at experiment bearing seat (15) two ends, experiment bearing seat (15) is provided with three guide spiro rods (12), these three guide spiro rods (12) one-tenth 120 ° are uniform, and nut (13) the adjustment installation site of joining is executed by its two ends, flexible member is equipped with in experiment bearing seat (15) outside: be made up of one group of support spring (16) and spring retainer (17), experiment bearing stiffness is regulated by changing spring rate.
Embodiment two:
The present embodiment is substantially identical with embodiment one, and special feature is as follows: described experiment table pedestal is made up of described table base (18), experiment table upper cover (7) and bearing (ball) cover (2,9); Experiment table upper cover (7) part has oil inlet passage, and oil-in is round mouth, is processed with fine thread, conveniently connects lubricating oil pipe, and table base (18) part has drainback passage, and drainback passage is also round mouth, is processed with fine thread, connects oil returning tube; Base is carved with datum strip, be convenient to the measurement being installed on experimental result of testing bearing, bearing (ball) cover (2,9) is divided into front end bearing (ball) cover (2) and rear end bearing end cap (9), two kinds of structures are slightly different, front end bearing (ball) cover (2) contacts with front end block bearing, carry out bearing location, rear end bearing end cap (9) does not contact with rear end block bearing, and experiment table pedestal is formed by iron casting aft-loaded airfoil.Described block bearing is high precision angular contact bearing (5), and can carry out axial location after mounted in pairs, limit speed is high, and load-bearing capacity is large, and front and back respectively use a pair.Described main shaft (1) structure is stepped construction, materials'use 40Cr, or the better material of mechanical property.Described experiment bearing forms by testing bearing shell (11) and testing bearing seat (15), adopt split type structure, experiment bearing shell (11) with 40Cr or bearing steel as idiosome, this bearing shell surface casting has antifriction quality and the better Babbitt alloy material of wearing quality, experiment bearing seat (15) is used for fixing experiment bearing shell (11) and connects the charger to experiment bearing imposed load, materials'use 40Cr or bearing steel; Sliding bearing end cap (14) is equipped with at experiment bearing seat (15) two ends, and material is aluminium; Experiment bearing seat (15) outer cover has elastic component: be made up of one group of support spring (16) and spring retainer (17).Described sparge ring (6) can be connected with the oil inlet passage in experiment table pedestal upper cover (7), by reducing the size of grease channel size, improving lubricating oil flow speed, thus making lubricating oil be ejected on block bearing; Materials'use 40Cr or bearing steel.
Embodiment three:
As shown in Figure 2, have in flexibly mounted bush(ing) bearing experiment table, main shaft (1) front end has keyway, external drive system can be connected, front end carrying plane is equipped with the angular contact bearing (5) installed back-to-back for a pair, the inner ring of two angular contact bearings (5) is fixed on the cascaded surface of main shaft by set nut (3) and locating ring (10), the outer ring of two angular contact bearings (5) is fixed on table base (18) and experiment table upper cover (7) by two rolling bearing end caps (2), rolling bearing end cap (2) is fixed on experiment table pedestal by socket head cap screw (8), two angular contact bearing (5) outer ring sandwich one with locating ring (10) with wide sparge ring (6), the rear end bearing of inversion type high speed bush(ing) bearing experiment table main shaft (1) is originally the same with the same end group of fixed form, unique difference is that the outer ring of two angular contact bearings (5) in rear end does not contact with rear end rolling bearing end cap (9), rolling bearing end cap (2) and between rolling bearing end cap (9) and experiment table pedestal, O RunddichtringO (4) is all housed, be used for preventing the leakage of lubricating oil, the maximum gauge place of main shaft (1) is provided with experiment bearing, be enclosed within the part of main shaft (1) for experiment bearing shell (11), it is inner that experiment bearing shell is embedded in experiment bearing seat (15), sliding bearing end cap (14) is equipped with at experiment bearing seat (15) two ends, experiment bearing seat (15) is provided with three guide spiro rods (12), composition graphs 3 can find out that three guide spiro rods (12) one-tenth 120 ° are uniform, guide spiro rod (12) regulates installation site by nut (13), composition graphs 2 and 4 can be found out, (18) have into oil discharge passage table base, and base fixed orifice.
Table base (18) can be selected suitable bolt to be arranged in T-slot to be fixed, after main shaft (1) is installed according to above-mentioned assembling mode, power is provided by external drive system, fore-end all carries out axial restraint due to bearing enclose, the impact that the vibration of external drive system brings main shaft (1) run stability can be avoided, the supporting part of rear end main shaft (1), because the axis of inner ring is fixed, outer ring is not fixed, certain axial displacement can be allowed, this design can avoid main shaft bending due to reasons generation main shaft (1) such as thermal deformations, affect experimental result, main shaft (1) center section is equipped with experiment bearing, between experiment bearing and experiment table pedestal, three guide spiro rods (12) are housed, this mounting means can ensure that test bearing moves and can prevent from testing the deflection before and after bearing in sagittal plane, experiment Bearing outer overlaps flexible supporting system, be made up of one group of support spring (16) and spring retainer (17), by changing the rigidity of spring (16), regulate the support stiffness of experiment bearing, under the condition that slowly runs, experiment table block bearing part can adopt the lubricating system of grease lubrication, now sparge ring (6) only plays a part to help angular contact bearing (5) outer ring axial location, under high-speed rotation condition, experiment table block bearing part adopts the jet lubrication mode in oil lubrication, and now sparge ring (6) had not only served and helped the effect of angular contact bearing (5) outer ring axial location but also serve the effect be injected into by lubricating oil in angular contact bearing (5).
The principle of work of the present embodiment is:
Main shaft (1) is connected with external drive system by flat key by front end keyway, power is provided to drive running by external drive system, block bearing part provides the supporting at two ends and the location of main shaft, proper lubrication mode can be selected under different working speeds to lubricate block bearing, due to the rotation of main shaft (1), at main shaft (1) and experiment installing positions of bearings, owing to there is certain sliding bearing gap, after the operating load that outside loading system provides certain, mineralization pressure oil film in experiment bearing, realize the neat liquid Frotteurism of bush(ing) bearing, then can measure experiment bearing according to different requirement of experiment, static characteristic as bush(ing) bearing measures and dynamic characteristic measures.
Claims (4)
1. one kind has flexibly mounted bush(ing) bearing experiment table, comprise experiment table pedestal, fulcrum arrangement, main shaft (1), experiment bearing, jetting system and main shaft positioning device, described main shaft (1) front end has keyway, external drive system can be connected, be enclosed within the part of main shaft (1) for experiment bearing shell (11), it is inner that experiment bearing shell is embedded in experiment bearing seat (15), it is characterized in that: front end support is: have two angular contact bearings installed back-to-back (5), the inner ring of these two angular contact bearings (5) is fixed on the cascaded surface of main shaft (1) by a set nut (3) and a locating ring (10), the outer ring of these two angular contact bearings (5) is fixed on a table base (18) and an experiment table upper cover (7) by two front ends rolling bearing end cap (2), front end rolling bearing end cap (2) is fixed on table base (18) and experiment table upper cover (7) by socket head cap screw (8), two angular contact bearing (5) outer ring sandwich one are with locating ring (10) with wide sparge ring (6), and (18) have into oil discharge passage table base, and oil inlet passage connects sparge ring (6), the rear end fulcrum arrangement of described main shaft (1) is originally the same with the same end group of fixed form, unique difference is that the outer ring of two angular contact bearings (5) in rear end does not contact with rear end rolling bearing end cap (9), front end rolling bearing end cap (2) and between rear end rolling bearing end cap (9) and table base (18), O RunddichtringO (4) is all housed, is used for preventing the leakage of lubricating oil, the maximum gauge place of main shaft (1) is provided with experiment bearing, sliding bearing end cap (14) is equipped with at experiment bearing seat (15) two ends, experiment bearing seat (15) is provided with three guide spiro rods (12), these three guide spiro rods (12) one-tenth 120 ° are uniform, and nut (13) the adjustment installation site of joining is executed by its two ends, flexible member is equipped with in experiment bearing seat (15) outside: be made up of one group of support spring (16) and spring retainer (17), regulates experiment bearing stiffness by changing spring rate.
2. there is described in claim 1 flexibly mounted bush(ing) bearing experiment table, it is characterized in that described experiment table pedestal is made up of described table base (18), experiment table upper cover (7) and front and back end rolling bearing end cap (2,9); Experiment table upper cover (7) part has oil inlet passage, and oil-in is round mouth, is processed with fine thread, conveniently connects lubricating oil pipe, and table base (18) part has drainback passage, and drainback passage is also round mouth, is processed with fine thread, connects oil returning tube; Base is carved with datum strip, be convenient to the measurement being installed on experimental result of testing bearing, front and back end rolling bearing end cap (2,9) is divided into front end rolling bearing end cap (2) and rear end rolling bearing end cap (9), two kinds of structures are slightly different, front end rolling bearing end cap (2) contacts with front end block bearing, carry out bearing location, rear end rolling bearing end cap (9) does not contact with rear end block bearing, and experiment table pedestal is formed by iron casting aft-loaded airfoil.
3. have flexibly mounted bush(ing) bearing experiment table described in claim 1, it is characterized in that described block bearing is high precision angular contact bearing (5), can carry out axial location after mounted in pairs, limit speed is high, and load-bearing capacity is large, and front and back respectively use a pair.
4. there is described in claim 1 flexibly mounted bush(ing) bearing experiment table, it is characterized in that described experiment bearing forms by testing bearing shell (11) and testing bearing seat (15), adopt split type structure, experiment bearing shell (11) with 40Cr or bearing steel as idiosome, this bearing shell surface casting has antifriction quality and the better Babbitt alloy material of wearing quality, experiment bearing seat (15) is used for fixing experiment bearing shell (11) and connects the charger to experiment bearing imposed load, materials'use 40Cr or bearing steel; Sliding bearing end cap (14) is equipped with at experiment bearing seat (15) two ends, and material is aluminium; Experiment bearing seat (15) outer cover has elastic component: be made up of one group of support spring (16) and spring retainer (17).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310215538.XA CN103323243B (en) | 2013-06-03 | 2013-06-03 | There is flexibly mounted bush(ing) bearing experiment table |
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| CN201310215538.XA CN103323243B (en) | 2013-06-03 | 2013-06-03 | There is flexibly mounted bush(ing) bearing experiment table |
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| CN103323243A CN103323243A (en) | 2013-09-25 |
| CN103323243B true CN103323243B (en) | 2016-03-30 |
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| CN104198188B (en) * | 2014-09-24 | 2016-08-24 | 中航工业哈尔滨轴承有限公司 | Roller bearing simulation test positioner |
| CN105605097A (en) * | 2015-12-16 | 2016-05-25 | 上海大学 | Mechanically-adjustable-clearance semi-active radial sliding bearing |
| CN106525432B (en) * | 2016-12-26 | 2022-10-25 | 河南科技大学 | Oil recovery structure of double-rotor bearing testing machine |
| CN109855870B (en) * | 2018-12-30 | 2020-08-21 | 洛阳轴承研究所有限公司 | Bearing test device |
| CN109883687B (en) * | 2019-03-21 | 2019-12-31 | 广州机械科学研究院有限公司 | Simulation test evaluation system and method for high-abrasion-resistance self-lubricating bionic sealing component |
| CN110289737B (en) * | 2019-08-13 | 2024-04-19 | 南京汽轮电机集团电站设备技术服务有限公司 | Generator bearing bush protection device |
| CN111716306B (en) * | 2020-06-30 | 2021-06-11 | 扬州大学 | Bearing-rotor experiment table with automatic centering and locking functions |
| CN111811817B (en) * | 2020-07-15 | 2022-07-12 | 合肥工业大学 | High-precision fluid dynamic pressure sliding bearing comprehensive performance test platform |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS271189B1 (en) * | 1988-12-22 | 1990-08-14 | Rathousky Jiri | Device for axial antifriction bearings testing |
| CN201130095Y (en) * | 2007-12-06 | 2008-10-08 | 上海大学 | Radial sliding bearing test stand |
| CN101881696A (en) * | 2010-06-03 | 2010-11-10 | 西安交通大学 | Flexible foil gas thrust bearing performance test bed with rolling friction pair |
| CN102607846A (en) * | 2012-03-08 | 2012-07-25 | 江苏大学 | Comprehensive test stand for water-lubricated bearings for pumps |
| CN202453184U (en) * | 2011-12-29 | 2012-09-26 | 浙江天马轴承股份有限公司 | Parameter measurement device for tapered roller bearing |
-
2013
- 2013-06-03 CN CN201310215538.XA patent/CN103323243B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS271189B1 (en) * | 1988-12-22 | 1990-08-14 | Rathousky Jiri | Device for axial antifriction bearings testing |
| CN201130095Y (en) * | 2007-12-06 | 2008-10-08 | 上海大学 | Radial sliding bearing test stand |
| CN101881696A (en) * | 2010-06-03 | 2010-11-10 | 西安交通大学 | Flexible foil gas thrust bearing performance test bed with rolling friction pair |
| CN202453184U (en) * | 2011-12-29 | 2012-09-26 | 浙江天马轴承股份有限公司 | Parameter measurement device for tapered roller bearing |
| CN102607846A (en) * | 2012-03-08 | 2012-07-25 | 江苏大学 | Comprehensive test stand for water-lubricated bearings for pumps |
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