CN2854566Y - Friction, wear-out testing equipment for parts of cylinder piston ring - Google Patents
Friction, wear-out testing equipment for parts of cylinder piston ring Download PDFInfo
- Publication number
- CN2854566Y CN2854566Y CNU2005201461266U CN200520146126U CN2854566Y CN 2854566 Y CN2854566 Y CN 2854566Y CN U2005201461266 U CNU2005201461266 U CN U2005201461266U CN 200520146126 U CN200520146126 U CN 200520146126U CN 2854566 Y CN2854566 Y CN 2854566Y
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- friction
- piston ring
- cylinder
- refrigeratory
- force sensor
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Abstract
A friction and abrasion testing equipment for piston ring components of cylinder jacket, belonging to the field of friction and abrasion testing technology is provided, which is applied to friction and abrasion tests of a cylinder jacket and piston ring components using mechanical method of radial loading infliction and equipment. Heating, heat-preservation and constant temperature are attained through adding in liquid into the heating cavity of the cylinder. Friction sensor is directly fixed onto the racket of the test machine, which can eliminate the effect of inertia force of moving parts on the measuring result of friction, thus making the measured friction more accurate. The friction sensor and the cylinder shall be separated by insulating material and shall be provided with a condenser to avoid the heighten temperature of the racket and the temperature of the friction sensor exceed the maximum working temperature. All parts designed for the utility model and the equipment structure are simple and easy to operate with low manufacturing cost and easy expansion, which can be arranged in laboratory as fast evaluation instrument in the course of the development of piston rings of cylinder jackets.
Description
Technical field
The utility model belongs to the friction and wear test technical field.It is the method and apparatus that a kind of application machine formula radial load applying method and equipment carry out cylinder sleeve and piston ring component friction-wear test.
Background technology
At present, the main method of cylinder liner piston ring rubbing wear evaluation has three kinds of specimen test method, bench test method and road test methods etc.Wherein the specimen test method is exactly that cylinder sleeve and piston ring are cut into the method that the desired specimen shape of code test machine and size are tested, its advantage be fast, that test parameters is easier to control, repeatability and stability is relative better.Shortcoming is to differ too big with actual service conditions, and simulation is poor.Bench test is assembled to cylinder sleeve and piston ring in the machine exactly, adopts fictitious load, carries out fire trial.Its advantage is that simulation is identical with reality, and the condition controllability is good, but the test period is long, cost is high.Road test is exactly that test under the actual operating conditions is carried out in cylinder liner piston ring installation, and advantage is to obtain identical working condition, and shortcoming is that test period and experimentation cost increase greatly.
The cylinder liner piston ring component artificial wear-test is a kind of test method between specimen test and bench test, with actual condition good simulation is arranged, and has can shorten the test period, reduce experimentation cost, improve the controllability of test parameters.
Summary of the invention
The purpose of this utility model just provides a kind of cylinder liner piston ring component friction-wear test equipment that utilizes load between the radial elastic dilation loading method simulation cylinder liner piston ring to carry out simulation test.
Design of the present utility model provides the testing machine of a kind of suitable cylinder sleeve, piston ring component examination friction-wear test, for cylinder liner piston ring rubbing wear evaluation provide a kind of new, fast, more accurate evaluation method and equipment.
Solution of the present utility model is: a kind of cylinder liner piston ring component friction-wear test equipment, constitute by elasticity screw rod 1, rotation nut 2, disk spring 3, locating sleeve 4, foil gauge 5, disc shape lever 6, positioning key 7, friction force sensor 10, piston rod 11, shaft joint 12, motor 13, support 14, flywheel 15, bearing seat 16, rolling bearing 17, excentric shaft 18, connecting rod 19, cross-head guide mechanism 20, refrigeratory 22, heat-barrier material 23, steel plate 24, the cylinder body 25 that has heating chamber 26, piston ring clamping device 28,30; Nut 2, disk spring 3, locating sleeve 4, disc shape lever 6 are enclosed within on the elasticity screw rod 1 successively, and positioning key 7 is fixing with elasticity screw rod 1, nut 2, disk spring 3, locating sleeve 4, disc shape lever 6, elasticity screw rod 1 their composition resilient radial chargers; Equipment is followed successively by from the bottom up: motor 13 is installed on the support 14 with bearing seat 16, adorning rolling bearing 17 and flywheel 15 on the excentric shaft 18, motor 13 is connected by shaft coupling 12 with excentric shaft 18, the eccentric end of excentric shaft 18 connects connecting rod 19, connect the connecting rod 19 cross-head guide mechanism 20 of up ining succession, piston rod 11 is screwed on the screw of cross-head guide mechanism 20 by an end of cross-head guide mechanism 20, the piston rod clamping device is enclosed within on the piston rod 19 for 28 mouthfuls up, the facing up of ring word of being carved with of piston ring 29 is close to piston rod clamping device 29, the face that is carved with the ring word of piston ring 29 is close to piston rod clamping device 30, and the disc shape lever 6 of resilient radial charger is pressed on piston ring 29 inside surfaces; Friction force sensor 10 usefulness bolts vertically are installed on the support 14, and level is close to refrigeratory 22 on the plane that friction force sensor 10 is formed; Steel plate 24 is connected with refrigeratory 22 by bolt, in the middle of clip heat-barrier material 23; Cylinder body 25 is close to steel plate 24, passes steel plate 24, heat-barrier material 23, refrigeratory 22 with bolt and is fixed on the friction force sensor 10; Cylinder sleeve 27 is installed on the cylinder body 25.
Drive following cross-head guide mechanism 20, piston ring 29, piston ring clamping device 28,30 along axially moving reciprocatingly by motor 13.
The disc shape lever of resilient radial charger acts on the inside surface of piston ring, and is radially outside;
The resilient radial charger applies radial force to piston ring;
Cylinder sleeve is installed on the cylinder body;
Cylinder body heating chamber 26 charges into liquid;
The liquid that charges into the cylinder body heating chamber heats cylinder sleeve, also can cool off;
Refrigeratory has separated cylinder body and friction force sensor;
Piston ring is installed on the piston ring clamping device;
The piston ring clamping device is fixed in the cross-head guide mechanism;
Cross-head guide mechanism guarantees the linear movement of piston ring;
Cross-head guide mechanism links to each other with excentric shaft by connecting rod;
Use a kind of cylinder liner piston ring component friction-wear test equipment to carry out the method for friction-wear test, cylinder sleeve is installed in 27, piston ring is installed in 29; 's 0.1～10 times of internal combustion engine explosion pressure by the resilient radial charger to piston ring 29 imposed loads; Feed liquid by hole 31 in heating chamber 26,8 flow out 20～300 ℃ of cylinder sleeve working temperatures from the hole; Feed cooling liquid by hole 9 toward refrigeratory 22,21 flow out from the hole; Connect motor power, equipment operation, rotating speed 5～1500rp/min.
Major advantage of the present utility model is:
(1) heating of cylinder sleeve is by obtaining charging into liquid in the cylinder body heating chamber, and when the temperature of cylinder sleeve was lower than the temperature that charges into liquid, the liquid in the heating chamber heated cylinder sleeve; And when the temperature of cylinder sleeve was higher than the temperature that charges into liquid, the liquid in the heating chamber cooled off cylinder sleeve; So cylinder sleeve is heated with liquid, can heat, can be incubated again, constant temperature.
(2) friction force sensor directly is fixed on the support of testing machine, and the inertial force of having eliminated moving component makes the friction force that measures more accurate to the influence that the friction measurement result causes;
(3) between friction force sensor and cylinder body, separate and refrigeratory be installed with heat-barrier material, avoid support temperature partly to raise and the temperature of friction force sensor above its maximum operating temperature;
(4) designed each part that comes out in the utility model, device structure simple, be convenient to operation, cost low, be easy to expand wide.Can be equipped on the laboratory as the quick evaluation means in the cylinder liner piston ring performance history.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a structural representation of the present utility model.
Embodiment
The spacer flanger external diameter of locating sleeve 4 is that 35mm, thickness are 5mm, and median pore diameter is 16mm, and upper and lower end connecting portion external diameter is respectively 28.5mm and 24mm, and upper and lower side connecting portion boss height is 5mm.
The a pair of external diameter that is equal to disc shape lever 6 is that 97mm, internal diameter are 24mm, thickness t=3mm, base angle θ=30 °; Begin along radially disc shape lever 6 joint-cuttings and along circumference 36 five equilibriums from cylindrical, the length of joint-cutting is 25mm;
The length of elasticity screw rod 1 is 80mm, and median pore diameter is 16mm, and the end flange diameter is 30mm, and thickness is 8mm;
Press right-handed screw direction rotation nut 2, distance reduces between nut 2 and elasticity screw rod 1 end flange, disk spring 3 and disc shape lever 6 is applied axle pressure, by disc shape lever 6, axial force is converted into the power of being radially expanded, and the size of radial force is 3.464 times of axial force.
The size of axial force is measured by foil gauge 5, and the effect of disk spring 3 is to make entire mechanism that enough elasticity be arranged.
By the rotation amount of control nut 2, come the size of control loaded power.
In loading procedure, constantly rotate nut, then can obtain dynamic load.
Inner diameter d=the 97.6mm of piston ring 29, outer diameter D=106mm, thickness h=4.2mm;
The radial force of elasticity charger acts on the piston ring 29 by disc shape lever 6, makes 29 pairs of cylinder sleeves of piston ring 27 produce pressure;
Piston ring 29 is installed in piston ring clamping device 28,30, is fixed on together then on the piston rod 11;
Heat-barrier material 23, steel plate 24 also are installed in the middle of refrigeratory 22 and the cylinder body 25 from the bottom up;
Heat medium oil enters heating chamber from heat medium oil inflow entrance 31, flows out heating chamber from flow export 8;
The eccentric throw of excentric shaft 18 is 15mm, drives 20 motions of cross-head guide mechanism by connecting rod 19, thereby is converted into the to-and-fro movement of cross-head guide mechanism 20 rotatablely moving;
To-and-fro movement drive piston rod 11, piston ring clamping device 28,30, piston ring 29 and the resilient radial charger of cross-head guide mechanism 20 are done and are pumped;
Claims (3)
1. cylinder liner piston ring component friction-wear test equipment, it is characterized in that, by elasticity screw rod (1), rotation nut (2), disk spring (3), locating sleeve (4), foil gauge (5), disc shape lever (6), positioning key (7), friction force sensor (10), piston rod (11), shaft joint (12), motor (13), support (14), flywheel (15), bearing seat (16), rolling bearing (17), excentric shaft (18), connecting rod (19), cross-head guide mechanism (20), refrigeratory (22), heat-barrier material (23), steel plate (24), the cylinder body (25) that has heating chamber (26), piston ring clamping device (28,30) constitutes; Nut (2), disk spring (3), locating sleeve (4), disc shape lever (6) are enclosed within on the elasticity screw rod (1) successively, positioning key (7) is fixing with elasticity screw rod (1), nut (2), disk spring (3), locating sleeve (4), disc shape lever (6), their composition resilient radial chargers of elasticity screw rod (1); Equipment is followed successively by from the bottom up: motor (13) is installed on the support (14) with bearing seat (16), adorning rolling bearing (17) and flywheel (15) on the excentric shaft (18), motor (13) is connected by shaft coupling (12) with excentric shaft (18), the eccentric end of excentric shaft (18) connects connecting rod (19), connect connecting rod (19) the cross-head guide mechanism (20) of up ining succession, piston rod (11) is screwed on the screw of cross-head guide mechanism (20) by an end of cross-head guide mechanism (20), piston rod clamping device (28) mouth is enclosed within on the piston rod (19) up, the facing up of ring word of being carved with of piston ring (29) is close to piston rod clamping device (29), the face that is carved with the ring word of piston ring (29) is close to piston rod clamping device (30), and the disc shape lever of resilient radial charger (6) is pressed on piston ring (29) inside surface; Friction force sensor (10) vertically is installed on the support (14) with bolt, and level is close to refrigeratory (22) on the plane that friction force sensor (10) is formed; Steel plate (24) is connected with refrigeratory (22) by bolt, in the middle of clip heat-barrier material (23); Cylinder body (25) is close to steel plate (24), passes steel plate (24), heat-barrier material (23), refrigeratory (22) with bolt and is fixed on (10) on the friction force sensor; Cylinder sleeve (27) is installed on the cylinder body (25).
2. a kind of cylinder liner piston ring component friction-wear test equipment according to claim 1 is characterized in that, friction force sensor (10) is 3-10.
3. a kind of cylinder liner piston ring component friction-wear test equipment according to claim 1 is characterized in that, level is close to refrigeratory (22) on the plane that friction force sensor (10) is formed; Steel plate (24) is connected with refrigeratory (22) by bolt, in the middle of clip heat-barrier material (23); Cylinder body (25) is close to steel plate (24), passes steel plate (24), heat-barrier material (23), refrigeratory (22) with bolt and is fixed on (10) on the friction force sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201461266U CN2854566Y (en) | 2005-12-31 | 2005-12-31 | Friction, wear-out testing equipment for parts of cylinder piston ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201461266U CN2854566Y (en) | 2005-12-31 | 2005-12-31 | Friction, wear-out testing equipment for parts of cylinder piston ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2854566Y true CN2854566Y (en) | 2007-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2005201461266U Expired - Lifetime CN2854566Y (en) | 2005-12-31 | 2005-12-31 | Friction, wear-out testing equipment for parts of cylinder piston ring |
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| CN (1) | CN2854566Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207438A (en) * | 2011-03-17 | 2011-10-05 | 华东理工大学 | Rolling friction abrasion testing machine |
| CN102323061A (en) * | 2011-05-25 | 2012-01-18 | 中国兵器工业集团第七○研究所 | Lubrication simulation device for piston ring and cylinder sleeve of engine |
| CN102914440A (en) * | 2012-06-11 | 2013-02-06 | 大连海事大学 | System and method for judging stability of tribology system |
| CN104198369A (en) * | 2014-09-11 | 2014-12-10 | 四川大学 | Sliding and rolling friction property experiment table |
| CN105842156A (en) * | 2016-05-12 | 2016-08-10 | 哈尔滨工程大学 | Continuous change type integral piston ring mechanical loading device |
| DE102015119634A1 (en) * | 2015-11-13 | 2017-05-18 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Cylinder distortion simulation device |
| CN107179195A (en) * | 2017-06-30 | 2017-09-19 | 武汉理工大学 | The test platform that diesel cylinder sleeve piston-ring friction weares and teares with measuring lubricating oil film |
| CN108955976A (en) * | 2018-04-17 | 2018-12-07 | 西安航空制动科技有限公司 | The measurement method of spring pocket frictional force |
| RU2726255C1 (en) * | 2019-11-19 | 2020-07-10 | федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" | Laboratory test bench for contact fatigue testing of friction pairs of "cylinder-cylinder" type |
| CN112147068A (en) * | 2020-11-06 | 2020-12-29 | 西北工业大学 | High-speed high-temperature friction wear test bed adopting symmetric loading |
-
2005
- 2005-12-31 CN CNU2005201461266U patent/CN2854566Y/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207438B (en) * | 2011-03-17 | 2013-01-30 | 华东理工大学 | Rolling friction abrasion testing machine |
| CN102207438A (en) * | 2011-03-17 | 2011-10-05 | 华东理工大学 | Rolling friction abrasion testing machine |
| CN102323061A (en) * | 2011-05-25 | 2012-01-18 | 中国兵器工业集团第七○研究所 | Lubrication simulation device for piston ring and cylinder sleeve of engine |
| CN102914440B (en) * | 2012-06-11 | 2016-11-23 | 大连海事大学 | A kind of Tribological Systems determination of stability System and method for |
| CN102914440A (en) * | 2012-06-11 | 2013-02-06 | 大连海事大学 | System and method for judging stability of tribology system |
| CN104198369A (en) * | 2014-09-11 | 2014-12-10 | 四川大学 | Sliding and rolling friction property experiment table |
| CN104198369B (en) * | 2014-09-11 | 2016-04-27 | 四川大学 | Slide rolling friction performance experiment table |
| DE102015119634A1 (en) * | 2015-11-13 | 2017-05-18 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Cylinder distortion simulation device |
| DE102015119634B4 (en) | 2015-11-13 | 2021-11-25 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Cylinder warpage simulation device |
| CN105842156A (en) * | 2016-05-12 | 2016-08-10 | 哈尔滨工程大学 | Continuous change type integral piston ring mechanical loading device |
| CN105842156B (en) * | 2016-05-12 | 2018-07-24 | 哈尔滨工程大学 | It is a kind of can consecutive variations piston ring domain machinery loading device |
| CN107179195A (en) * | 2017-06-30 | 2017-09-19 | 武汉理工大学 | The test platform that diesel cylinder sleeve piston-ring friction weares and teares with measuring lubricating oil film |
| CN107179195B (en) * | 2017-06-30 | 2019-10-25 | 武汉理工大学 | The test platform of the fretting wear of Diesel Cylinder Piston ring and measuring lubricating oil film |
| CN108955976A (en) * | 2018-04-17 | 2018-12-07 | 西安航空制动科技有限公司 | The measurement method of spring pocket frictional force |
| CN108955976B (en) * | 2018-04-17 | 2020-04-28 | 西安航空制动科技有限公司 | Method for measuring friction force of spring sleeve |
| RU2726255C1 (en) * | 2019-11-19 | 2020-07-10 | федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" | Laboratory test bench for contact fatigue testing of friction pairs of "cylinder-cylinder" type |
| CN112147068A (en) * | 2020-11-06 | 2020-12-29 | 西北工业大学 | High-speed high-temperature friction wear test bed adopting symmetric loading |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070103 |
|
| EXPY | Termination of patent right or utility model |