CN1603785A - Testing device for frictional and abrasive performance of piston ring-cylinder liner material - Google Patents

Testing device for frictional and abrasive performance of piston ring-cylinder liner material Download PDF

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Publication number
CN1603785A
CN1603785A CN 200410068042 CN200410068042A CN1603785A CN 1603785 A CN1603785 A CN 1603785A CN 200410068042 CN200410068042 CN 200410068042 CN 200410068042 A CN200410068042 A CN 200410068042A CN 1603785 A CN1603785 A CN 1603785A
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CN
China
Prior art keywords
worktable
piston ring
layer
fixed
rolling bearing
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CN 200410068042
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Chinese (zh)
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CN1318836C (en
Inventor
吴跃新
赵言正
付庄
樊瑜瑾
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上海交通大学
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Priority to CNB2004100680425A priority Critical patent/CN1318836C/en
Publication of CN1603785A publication Critical patent/CN1603785A/en
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Publication of CN1318836C publication Critical patent/CN1318836C/en

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Abstract

It is a test apparatus to measure the friction abrasion of piston ring and cylinder line materials, which comprises measurement structure with three layers of workbench and load structure, wherein, the measurement structure is fixed on machine bed workbench and comprises the rolling axis, connection short axis, top layer workbench, internal workbench, bottom workbench, sensor and T shape bolts. The load structure is fixed on the top workbench of measurement structure and mainly comprises load bolts, underlay cover, load socket, dowel, supportive plate, internal axis, clamping plate, piston ring clamp, clamp bolts, pressing block, working trough, socket axis and position bolts.

Description

Testing device for frictional and abrasive performance of piston ring-cylinder liner material
Technical field
The present invention relates to a kind of friction-wear detecting apparatus, relate in particular to a kind of testing device for frictional and abrasive performance of piston ring-cylinder liner material, with the vertical drilling and milling bed as workbench, can test out piston ring and cylinder sleeve friction and wear behavior under the different working conditions in reciprocating working stroke, belong to material friction polishing machine studying technological domain.
Background technology
Process of friction and wear between internal-combustion engine piston ring-cylinder sleeve, working condition are very complicated, carrying out along with process of friction and wear, not only friction pair material can change, and every speed, temperature, load is also all constantly changing indefiniteness in impulse stroke.Piston ring and cylinder is one of key components and parts of internal combustion engine, the quality of its work directly affects the usability of internal combustion engine, the gas leakage oil leakage phenomenon that causes owing to piston ring scuffing can make the automotive exhaust gas problem increase the weight of, existent environment of people is caused severe contamination, so this is not only simple industrial technology problem, and be a social concern, be subjected to increasing people's attention.
The piston ring and cylinder friction and wear behavior mainly is subjected to the influence of the following aspects factor: whether material, load, rotating speed, abrasive material and oil lubrication be abundant, and China does not still have the proving installation of specializing in internal-combustion engine piston ring-cylinder jacket material friction and wear behavior at present.The friction wear testing machine ubiquity of domestic production at present the limitation that the operating condition of test condition is simple, testing program is single, the sample structure size is unique, can't finish the friction and Wear Study between this shape and structure material of piston ring-cylinder liner.
Existing material friction polishing machine proving installation technology retrieval is found, Chinese invention patent " high temperature friction and wear test unit " (application number 01264970) discloses the test unit of research material friction and wear behavior under a kind of hot environment, but this device only is suitable for ceramic shaft and the friction and Wear Study of alloy axle under hot environment, and the working condition that can realize is limited, is not suitable for the friction and Wear Study between the piston ring-cylinder liner material.Through retrieval, also there is not to find to be similar to the patent that the present invention is used for addressing the above problem.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of proving installation that is used to study friction and wear behavior between the piston ring-cylinder liner is provided, can simulate different working conditions, the friction and wear behavior of measurement between different condition lower piston ring-cylinder sleeve, has low price, easy to use, the advantage of easy control.
For realizing such purpose, the proving installation of the present invention's design as line shaft, mainly is made up of the measuring mechanism that comprises three layers of work top and two parts of load maintainer by machine tool chief axis based on the minitype vertical type drilling and milling machine.The upper strata table top of measuring mechanism is by freely being placed on lower floor's table top with fixing minor axis and the rolling bearing of table top, be that the upper strata table top can freely roll on lower floor's worktable by rolling bearing, a force cell is installed between every two-layer worktable simultaneously, the sensor output signal line links to each other with read out instrument, when between every two-layer worktable micro-displacement taking place, by the size of sensor measurement power.Load maintainer is fixed on the measuring mechanism top layer worktable, and rotation loading bolt during work drives the transmission rod swing, and transmission rod is passed to piston ring with power, thereby finally realizes the loading between piston ring and the cylinder sleeve.
Measuring mechanism of the present invention is made up of rolling bearing, connection minor axis, top layer worktable, middle layer worktable, bottom worktable, sensor, tommyhead bolt.Rolling bearing is installed on the minor axis, minor axis is connected with the middle layer worktable, the middle layer worktable freely is placed on the step that the bottom worktable stretches out by minor axis and rolling bearing, the top layer worktable freely is placed on the worktable of middle layer by minor axis and rolling bearing again, and the last layer worktable can freely roll on one deck worktable down by rolling bearing.Two force cells are installed between top layer worktable and the middle layer worktable respectively and between middle layer worktable and the bottom worktable, the sensor output signal line links to each other with read out instrument, when between every two-layer worktable micro-displacement taking place, by the size of sensor measurement power.The bottom worktable is anchored on by tommyhead bolt on the worktable of vertical drilling and milling bed, and the top layer worktable is as the workbench of load maintainer.The major function of measuring mechanism is to measure loading force and friction force between piston ring and the cylinder sleeve, and workbench is provided, and utilizes this mechanism can measure two power on the orthogonal directions simultaneously.
Load maintainer of the present invention is fixed on the measuring mechanism top layer worktable, mainly is made up of loading bolt, lining, loaded seat, transmission rod, back up pad, intermediate shaft, clamping plate, piston ring clamp base, fishbolt, briquetting, work nest, rolling bearing units, setscrew nut.Loading bolt is connected with lining by screw thread, lining is installed on the loaded seat by screw thread, the bottom of loaded seat is fixed on the top layer worktable of measuring mechanism, transmission rod is installed on the intermediate shaft, clamping plate is enclosed within on the intermediate shaft, and be connected with transmission rod, two setscrew nuts are tightened on the intermediate shaft, fixing force transfer bar in the middle of it, the two ends of intermediate shaft are installed on two rolling bearing units, rolling bearing units are separately fixed on two back up pads, and the bottom of back up pad is fixed on the top layer worktable, and the piston ring clamp base is installed in the front end of transmission rod by fishbolt, briquetting is connected with the piston ring clamp base, be used for clamping piston ring sample, work nest is fixed on the measuring mechanism top layer worktable, and cylinder sleeve then is fixed in the machine tool chief axis.
Method of operating: a whole set of proving installation is installed in by tommyhead bolt on the worktable of vertical drilling and milling bed, and the sensor output signal line links to each other with read out instrument, the load value and the friction force value that record with demonstration.Piston ring sample to be detected is fixed on the piston ring clamp base with briquetting, another test sample cylinder sleeve is installed in the scroll chuck of machine tool chief axis, tighten loading bolt, make it withstand transmission rod, transmission rod deflects around intermediate shaft, thereby make piston ring in the folder base that is fixed on the transmission rod front end realize loading to cylinder sleeve, load just is transformed into the normal pressure between piston ring-cylinder sleeve.Select the lathe rotating speed of test request, start lathe, machine tool chief axis drives cylinder sleeve and rotates, and the friction force between piston ring and the cylinder sleeve records by sensor.According to the difference of testing program, can in work nest, fill with the lubricating oil of various models or the potpourri of lubricating oil and abrasive material (as iron oxide, quartz etc.), liquid level will guarantee to soak piston ring.
Theoretical analysis and experimental result show, the present invention is directed to a whole set of proving installation of the complicacy design of the singularity of internal-combustion engine piston ring and cylinder sleeve physical dimension and working condition thereof, can finish the friction and wear behavior test between internal-combustion engine piston ring and the cylinder sleeve preferably, can draw the size of piston ring-cylinder liner friction force under friction and wear behavior under the different working conditions and different loads, draw rubbing wear curve under the various working conditions according to test result, the rubbing wear characteristics of different condition lower piston ring-cylinder sleeve relatively can therefrom obtain the rule of piston ring-cylinder sleeve friction wear.
The present invention can simulate different working condition (rotating speed, load, material, abrasive material, oil lubrication etc.), measures the friction and wear behavior between different condition lower piston ring-cylinder sleeve.The advantage of device is a low price, and is easy to use, easily control.
The present invention not only can be applicable to the friction and Wear Study between internal-combustion engine piston ring-cylinder jacket material, by designing multi-form folder base, also can be applied to the friction and Wear Study of other part material.
Description of drawings
Fig. 1 is the structural representation of testing device for frictional and abrasive performance of piston ring-cylinder liner material of the present invention.
Among Fig. 1, rolling bearing 1, connection minor axis 2, top layer worktable 3, middle layer worktable 4, bottom worktable 5, sensor 6, loading bolt 7, lining 8, loaded seat 9, transmission rod 10, back up pad 11, intermediate shaft 12, clamping plate 13, piston ring clamp base 14, fishbolt 15, briquetting 16, work nest 17, tommyhead bolt 18, rolling bearing units 19, setscrew nut 20, cylinder sleeve 21, piston ring 22, platen 23, machine tool chief axis chuck 24.
Fig. 2 is the vertical view of measuring mechanism among the present invention.
Among Fig. 2, rolling bearing 1, connection minor axis 2, top layer worktable 3, middle layer worktable 4, bottom worktable 5, sensor 6.
Fig. 3 is a load maintainer structure vertical view of the present invention.
Among Fig. 3, loading bolt 7, lining 8, loaded seat 9, transmission rod 10, back up pad 11, intermediate shaft 12, clamping plate 13, piston ring clamp base 14, fishbolt 15, briquetting 16, work nest 17, rolling bearing units 19, setscrew nut 20, cylinder sleeve 21, piston ring 22.
Fig. 4 is a piston ring clamp base synoptic diagram among the present invention.
Among Fig. 4, piston ring clamp base 14, fishbolt 15, briquetting 16, piston ring 22.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is further described.
The one-piece construction of proving installation of the present invention as shown in Figure 1, mainly comprise measuring mechanism and load maintainer two parts, wherein the measuring mechanism main parts size has: rolling bearing 1, connection minor axis 2, top layer worktable 3, middle layer worktable 4, bottom worktable 5, sensor 6, tommyhead bolt 18.The main parts size of load maintainer has: loading bolt 7, lining 8, loaded seat 9, transmission rod 10, back up pad 11, intermediate shaft 12, clamping plate 13, piston ring clamp base 14, fishbolt 15, briquetting 16, work nest 17, rolling bearing units 19, setscrew nut 20.
The mounting means of measuring mechanism: rolling bearing 1 is installed on the minor axis 2, the other end of minor axis 2 is connected with middle layer worktable 4, middle layer worktable 4 freely is placed on the step that bottom worktable 5 stretches out by minor axis 2 and rolling bearing 1, top layer worktable 3 freely is placed on the middle layer worktable 4 by minor axis 2 and rolling bearing 1 again, two sensors 6 are installed between top layer worktable 3 and the middle layer worktable 4 respectively and between middle layer worktable 4 and the bottom worktable 5, whole measuring mechanism is fixed on the platen 23 by tommyhead bolt 18.
The mounting means of load maintainer: loading bolt 7 is connected with lining 8 by screw thread, lining 8 is installed on the loaded seat 9 by screw thread, the bottom of loaded seat 9 is fixed on the top layer worktable 3 of measuring mechanism, transmission rod 10 is installed on the intermediate shaft 12, clamping plate 13 is enclosed within on the intermediate shaft 12, and be connected with transmission rod 10, two setscrew nuts 20 are tightened on the intermediate shaft 12, two setscrew nut 20 center fixed transmission rods 10, the two ends of intermediate shaft 12 are installed on two rolling bearing units, and rolling bearing units are separately fixed on two back up pads 11, the bottom of back up pad 11 is fixed on the top layer worktable 3, and piston ring clamp base 14 is installed in the front end of transmission rod 10 by fishbolt 15, and briquetting 16 is connected with piston ring clamp base 14, be used for clamping piston ring 22, work nest 17 is fixed on the measuring mechanism top layer worktable 3.
The structure vertical view of measuring mechanism of the present invention as shown in Figure 2, minor axis 2 and the rolling bearing 1 of middle layer worktable 4 by being installed in its left and right sides freely is placed on the step that bottom worktable 5 stretches out, top layer worktable 3 freely is placed on the middle layer worktable 4 by minor axis 2 and the rolling bearing 1 that is installed in its both sides, front and back, and a sensor 6 is installed between top layer worktable 3 and the middle layer worktable 4 and between middle layer worktable 4 and the bottom worktable 5 separately.
The plan structure of load maintainer of the present invention as shown in Figure 3, loading bolt 7 is connected with lining 8 by screw thread, lining 8 is installed on the loaded seat 9 by screw thread, the bottom of loaded seat 9 is fixed on the top layer worktable 3 of measuring mechanism, transmission rod 10 is installed on the intermediate shaft 12, two setscrew nuts 20 are tightened on the intermediate shaft 12, two setscrew nut 20 center fixed transmission rods 10, the two ends of intermediate shaft 12 are installed on two rolling bearing units 19, rolling bearing units 19 are separately fixed on two back up pads 11, the bottom of back up pad 11 is fixed on the top layer worktable 3, piston ring clamp base 14 is installed in the front end of transmission rod 10, and briquetting 16 is connected with piston ring clamp base 14, is used for clamping piston ring 22, work nest 17 is fixed on the measuring mechanism top layer worktable 3, and 21 in cylinder sleeve sample is fixed on the machine tool chief axis 24.
Fig. 4 is piston ring clamp base synoptic diagram among the present invention, and piston ring clamp base 14 is installed in the front end of transmission rod 10 by fishbolt 15, and briquetting 16 is connected with piston ring clamp base 14, is used to clamp test specimen piston ring 22.
Method of operating: be installed in a whole set of proving installation on the worktable 23 of vertical drilling and milling bed by tommyhead bolt 18, sensor 6 external read out instruments, the load value and the friction force value that record with demonstration, detected sample piston ring 22 usefulness briquettings 16 are fixed on the piston ring clamp base 14, another test specimen cylinder sleeve 21 is installed in the scroll chuck 24 of machine tool chief axis, tighten loading bolt 7, make it withstand transmission rod 10, thereby realize the loading between piston ring and the cylinder sleeve, select suitable lathe rotating speed, start lathe, machine tool chief axis drives cylinder sleeve and rotates, and the friction force between piston ring and the cylinder sleeve records by sensor 6.According to the difference of testing scheme, can in work nest 17, fill with the lubricating oil of various models or the potpourri of lubricating oil and abrasive material (as iron oxide, quartz etc.), liquid level will guarantee to soak piston ring.
When utilizing apparatus of the present invention to carry out the research of material friction polishing machine, the operator wants pre-designed detection scheme, operates according to top order.Theoretical analysis, the measuring error of this measuring mechanism on loading direction is 0.06%, the measuring error on the friction force direction is 0.054%, can satisfy the research of material friction polishing machine fully.

Claims (1)

1, a kind of testing device for frictional and abrasive performance of piston ring-cylinder liner material, it is characterized in that comprising measuring mechanism and load maintainer, in the measuring mechanism: the inner ring of rolling bearing (1) is installed on the minor axis (2), the other end of minor axis (2) is connected with middle layer worktable (4), middle layer worktable (4) is placed on the step that bottom worktable (5) stretches out by minor axis (2) and rolling bearing (1), the outer ring of its centre bearer (1) can be free to slide on step, top layer worktable (3) is placed on the middle layer worktable (4) by minor axis (2) and rolling bearing (1) again, two sensors (6) are installed between top layer worktable (3) and the middle layer worktable (4) respectively and between middle layer worktable (4) and the bottom worktable (5), bottom worktable (5) is fixed on the platen (23) by tommyhead bolt (18); In the load maintainer: loading bolt (7) is connected with lining (8) by screw thread, lining (8) is installed on the loaded seat (9) by screw thread, the bottom of loaded seat (9) is fixed on the top layer worktable (3) of measuring mechanism, transmission rod (10) is installed on the intermediate shaft (12), clamping plate (13) is enclosed within intermediate shaft (12) and upward and with transmission rod (10) is connected, two setscrew nuts (20) are tightened on the intermediate shaft (12), two setscrew nuts (20) center fixed transmission rods (10), the two ends of intermediate shaft (12) are installed in respectively on two rolling bearing units (19), rolling bearing units (19) are separately fixed on two back up pads (11), the bottom of back up pad (11) is fixed on the top layer worktable (3), piston ring clamp base (14) is installed in the front end of transmission rod (10) by fishbolt (15), briquetting (16) is connected with piston ring clamp base (14), and work nest (17) is fixed on the top layer worktable (3).
CNB2004100680425A 2004-11-11 2004-11-11 Testing device for frictional and abrasive performance of piston ring-cylinder liner material CN1318836C (en)

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CNB2004100680425A CN1318836C (en) 2004-11-11 2004-11-11 Testing device for frictional and abrasive performance of piston ring-cylinder liner material

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CNB2004100680425A CN1318836C (en) 2004-11-11 2004-11-11 Testing device for frictional and abrasive performance of piston ring-cylinder liner material

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CN1318836C CN1318836C (en) 2007-05-30

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100374846C (en) * 2005-07-09 2008-03-12 燕山大学 Work condition analogue rolling contact fatigue tester
CN101261215B (en) * 2007-02-06 2011-03-23 通用汽车环球科技运作公司 Piston delamination testing apparatus
CN102288502A (en) * 2011-05-13 2011-12-21 中国矿业大学 Variable-load cylinder-sleeve piston-ring frictional wear testing device
CN102866074A (en) * 2012-09-03 2013-01-09 中国石油化工股份有限公司 Sucker rod coupling and oil pipe abrasion tester
CN103048123A (en) * 2012-11-30 2013-04-17 天津大学 Abrasion tester for cylinder sleeve-piston ring friction pair
CN104634682A (en) * 2015-01-15 2015-05-20 江苏师范大学 Cylinder sleeve piston ring friction pair abrasion test machine
CN104777001A (en) * 2015-04-01 2015-07-15 江苏师范大学 Vertical cylinder liner piston ring friction-wear test device
CN105628535A (en) * 2016-03-08 2016-06-01 同济大学 Internal combustion engine cylinder sleeve-piston ring friction performance testing machine with variable reciprocating stroke

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61284640A (en) * 1985-06-12 1986-12-15 Tech Res Assoc Highly Reliab Marine Propul Plant Testing instrument for cylinder friction
JPS63187134A (en) * 1987-01-30 1988-08-02 Nippon Piston Ring Co Ltd Apparatus for testing scuffing of piston ring
JPH0359436A (en) * 1989-07-28 1991-03-14 Isuzu Motors Ltd Wear testing device for engine
CN2066981U (en) * 1989-12-29 1990-12-05 武汉工学院 Suspending integrate ring type wear simulation test machine for engine cylinder jacket-piston ring
AT405981B (en) * 1998-07-31 2000-01-25 Hoerbiger Ventilwerke Gmbh Wear monitor
US6401058B1 (en) * 1999-02-12 2002-06-04 Wayne State University Reciprocating system for simulating friction and wear

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100374846C (en) * 2005-07-09 2008-03-12 燕山大学 Work condition analogue rolling contact fatigue tester
CN101261215B (en) * 2007-02-06 2011-03-23 通用汽车环球科技运作公司 Piston delamination testing apparatus
CN102288502A (en) * 2011-05-13 2011-12-21 中国矿业大学 Variable-load cylinder-sleeve piston-ring frictional wear testing device
CN102288502B (en) * 2011-05-13 2013-02-13 中国矿业大学 Variable-load cylinder-sleeve piston-ring frictional wear testing device
CN102866074A (en) * 2012-09-03 2013-01-09 中国石油化工股份有限公司 Sucker rod coupling and oil pipe abrasion tester
CN103048123A (en) * 2012-11-30 2013-04-17 天津大学 Abrasion tester for cylinder sleeve-piston ring friction pair
CN104634682A (en) * 2015-01-15 2015-05-20 江苏师范大学 Cylinder sleeve piston ring friction pair abrasion test machine
CN104777001A (en) * 2015-04-01 2015-07-15 江苏师范大学 Vertical cylinder liner piston ring friction-wear test device
CN104777001B (en) * 2015-04-01 2017-12-29 江苏师范大学 A kind of vertical cylinder sleeve piston ring friction-wear test device
CN105628535A (en) * 2016-03-08 2016-06-01 同济大学 Internal combustion engine cylinder sleeve-piston ring friction performance testing machine with variable reciprocating stroke
CN105628535B (en) * 2016-03-08 2017-12-12 同济大学 The variable internal combustion engine cylinder jacket piston-ring friction performance aircraft of reciprocating stroke

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