CN208125544U - A kind of multi-functional piston-cylinder System friction-wear test test machine - Google Patents
A kind of multi-functional piston-cylinder System friction-wear test test machine Download PDFInfo
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- CN208125544U CN208125544U CN201820708404.XU CN201820708404U CN208125544U CN 208125544 U CN208125544 U CN 208125544U CN 201820708404 U CN201820708404 U CN 201820708404U CN 208125544 U CN208125544 U CN 208125544U
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Abstract
The utility model discloses a kind of multi-functional piston-cylinder System friction-wear test test machines, belong to mechanical friction wear testing field, the problems such as situation of fretting wear in actual work and low friction measurement precision of the utility model in order to solve the reflection piston-cylinder liner system that existing frictional testing machine cannot be true and reliable, in the case where non-real machine ignition, it is driving with speed regulating motor, by using simple open structure：Special floated cylinder sleeve, linear bearing type piston skirt, cylinder pressure simulation mechanism, piston ring radial force elasticity adjustment structure etc., pressure, temperature, the vibration etc. of high-precision analog engine real work situation, piston-cylinder liner system friction wear test and high-acruracy survey frictional force are carried out, the influence to experimental test such as actual engine high temperature, vibration is avoided.In addition, this test machine can also carry out the associated friction wear test test of plunger type air compressor.
Description
Technical field
The utility model relates to a kind of multi-functional piston-cylinder System friction-wear test test machines, belong to material friction
Wear testing field.
Background technique
Piston-cylinder liner system is widely used in the equipment such as internal combustion engine, air compressor.For engine,
The fretting wear of piston-cylinder liner system occupies very big specific gravity in whole mechanical loss, accounts for about engine complete machine mechanical friction damage
50% or so lost, and the friction and wear failure of piston-cylinder liner system is the main reason for mechanism damages.Piston-cylinder liner
Fuel of internal combustion engine economy, raising internal combustion engine are discharged and improved to the application of system low friction technology to reducing friction loss, reducing
Working life all has extremely important practical significance.
Existing friction wear testing machine is the friction wear testing machine for material properties mostly, as pin disk-type friction is tested
Machine etc. can not sufficiently reflect the fretting wear situation in engine piston-cylinder System operation process.Moreover, for living
The test of plug-cylinder System fretting wear substantially uses simple crank link mechanism at present, makes the friction pair of research
Realize reciprocating；Or remove crank connecting link, and using linear motor form, the secondary straight reciprocating motion of driving friction, and
Engine machine ignition formula carries out friction and wear test etc. under prototype operating condition.These test modes, or it is too simple
Single, simulated engine has certain limitation, and test condition is too wide in the gap with engine real work situation, cannot reflect completely
Test the fretting wear situation of piston-cylinder liner system；Or such as real machine test, manufacture and testing expenses are expensive, especially survey
Precision is tried to be easy to be influenced by the high temperature of engine, high pressure, high speed, high pollution etc..Seek reliability with higher, durability and
The friction-wear test test machine of test accuracy and economy is ground always in continuous carry out to enterprise and colleges and universities etc.
Study carefully engine friction abrasion and brings very big research topic.
Therefore it provides a kind of accurate and reliable, high performance-price ratio friction-wear test for piston-cylinder liner system is tested
Machine studies the fretting wear situation of the system under physical condition, is very significant.
Summary of the invention
The utility model cannot completely reliable reflection and test piston-in order to solve existing conventional friction abrasion tester
The problem of fretting wear situation of cylinder System, provides a kind of multi-functional piston-cylinder System friction-wear test test machine, gram
Common crank link mechanism is taken, the measuring accuracy of power test is low, overcomes the limitation measured when engine prototype ignition
Property, under without prototype ignition conditions, by simple simulation mechanism, the piston ring of accurate simulated engine to cylinder sleeve,
Fretting wear of the piston skirt to cylinder sleeve, at the same measure these frictions it is secondary between frictional force (can carry out simultaneously, also can respectively into
Row), and due to reasonable, direct sensor arrangement, so that the system is had the function of accurate collecting measurement data.In addition,
This test machine can also simulate the fretting wear of the piston-cylinder liner system of other forms, such as the piston-cylinder liner system of air compressor
The fretting wear of system.
The purpose of this utility model is achieved through the following technical solutions, in conjunction with attached drawing：
A kind of multi-functional piston-cylinder System friction-wear test test machine, including experimental test machine support 1, power part
Sub-stent 2, frequency control motor 3, speed changer 4, torque rotational speed detector 5, test machine supporting mechanism；The power section bracket
2 are fixed on adjacent with test machine supporting mechanism are tested on machine support 1；Frequency conversion rotating speed adjustable motor 3, speed changer 4 and torque revolving speed
Tester 5 is successively adjacent to be fixed on power section bracket 2；Frequency conversion rotating speed adjustable motor 3 passes through yielding coupling and speed changer 4
Input terminal connection, 4 output end of speed changer are connect by yielding coupling with torque rotational speed detector 5, and test machine piston crank connects
Linkage 7 is coupled by yielding coupling with torque rotational speed detector；Test machine supporting mechanism includes braced frame and test machine
Pilot sleeve supporting mechanism, test machine housing supports mechanism are mounted in braced frame, and test machine piston-cylinder 7-4, which suspends, to be installed
In test machine pilot sleeve supporting mechanism, and testing friction force snesor is directly connected to friction pair, high strong spring 7-5 installation
Both at the top of the special piston 7-3 of test machine, test machine piston crank link mechanism 7 is connect with torque rotational speed detector 5, pass through
Complete the test of the frictional force and crank link mechanism revolving speed between friction pair.
A kind of multi-functional piston-cylinder System friction-wear test test machine, the test machine supporting device
Scaffold includes support plate a7, support plate b8, support plate c9, and support plate a7, support plate b8, support plate c9 are successively fixed side by side
On test machine support 1；Test machine pilot sleeve 11 is mounted between support plate b8 and support plate c9 by bolt.Test machine set
Cylinder supporting mechanism include test machine cylinder sleeve pilot sleeve 11, test machine cylinder sleeve pilot sleeve 11 by bolt respectively with support plate a,
B connection,
A kind of multi-functional piston-cylinder System friction-wear test test machine, the support plate b8 and support plate
Multiple load cells are equipped on c9, test machine piston-cylinder 7-4 passes through steel ball and, composition suspension equipped with pilot sleeve 11
The both ends of cylinder sleeve, test machine piston-cylinder 7-4 are contacted with load cell, and the test special piston 7-3 of test machine and test machine are living
Plug cylinder covers the frictional force between 7-4.
A kind of multi-functional piston-cylinder System friction-wear test test machine, the special top piston 7-3 of test machine
High strong spring 7-5 is installed between support plate c9, by the spring of different-stiffness, in the case of simulated engine difference stroke, cylinder
The active force to top land is pressed, to obtain the lateral pressure of casing wall suffered by the skirt section test machine special piston 7-3.
A kind of multi-functional piston-cylinder System friction-wear test test machine, the skirt section test machine special piston 7-3
Periphery is linear roller bearing form, inside has small steel ball 15 rolling rolling circulation in circulating slot.
A kind of multi-functional piston-cylinder System friction-wear test test machine, the front end test machine special piston 7-3
Interior concave interior is equipped with elastic pressure regulating mechanism.
A kind of multi-functional piston-cylinder System friction-wear test test machine, elastic pressure regulating mechanism include
Elastic rubber 22,22 front and back end of elastic rubber are respectively equipped with pad pressing plate 16, are fixed on the special piston 7-3 of test machine by bolt 21
Front end is pushed up in indent, and 22 periphery of elastic rubber is equipped with segmentation annulus guard ring 20, and segmentation 20 external contact of annulus guard ring has pressure biography
Sensor 19,19 other end of pressure sensor are contacted by pin 17 with piston ring 18.
A kind of multi-functional piston-cylinder System friction-wear test test machine, the test machine cylinder sleeve guide sleeve
11 peripheries of cylinder are wound with resistive heater 13.
A kind of multi-functional piston-cylinder System friction-wear test test machine, the test machine cylinder sleeve guide sleeve
Vibration excitation device 14 is installed on cylinder 11.
A kind of multi-functional piston-cylinder System friction-wear test test machine, outside the test machine piston skirt
It is equipped with annular groove track week, it is interior to contain multiple small steel balls 15.
A kind of multi-functional piston-cylinder System friction-wear test test machine, the test machine piston rod machine
Structure bottom is equipped with oil sump 12, is equipped with oil pump mechanism and resistive heater in oil sump 12.
Detailed description of the invention
Fig. 1 is the utility model structure axonometric schematic diagram；
Fig. 2 is the utility model structure axonometric schematic diagram；
Fig. 3 is test machine piston crank mechanism decomposition texture schematic diagram in the utility model；
Fig. 4 is test machine piston crank mechanism structural schematic diagram in the utility model；
Fig. 5 is test machine supporting mechanism structural schematic diagram in the utility model；
Fig. 6 is test machine suspension cylinder sleeve structural scheme of mechanism in the utility model；
Fig. 7 is resistive heater and vibration exciter schematic diagram on test machine pilot sleeve in the utility model；
Fig. 8 is the test machine suspension cylinder sleeve mechanism cross-sectional view that cylinder sleeve friction wear is tested in the utility model；
Fig. 9 is the test machine special piston partial sectional view of test cylinder sleeve and piston-ring friction abrasion in the utility model；
Figure 10 is the test machine special piston cross-sectional view that cylinder sleeve friction wear is tested in the utility model.
In figure：
1 test machine support, 2 power sections (generator, speed changer, torque rotational speed detector) bracket, 3 frequency controls electricity
Machine, 4 speed changers, 5 torque rotational speed detectors, 6 support plate a, 7 test machine piston crank link mechanisms, 8 support plate b, 9 support plates
C, 10 fastening lead screws, 11 test machine cylinder sleeve pilot sleeves, 12 oil sumps, 13 resistive heaters, 14 vibration exciters, 15 small steel
Pearl, 16 backing plates, 17 pins, 18 piston rings, 19 pressure sensors, 20 segmentation annulus guard rings, 21 adjustment bolts, 22 elastic rubbers,
7-1 tests machine crankshaft, 7-2 test machine connecting rod, the special piston of 7-3 test machine, 7-4 test machine piston-cylinder, 11 test machine cylinder sleeves
Pilot sleeve, 7-5 high strong spring, 8-1,8-2,8-3,8-4 are respectively the load cell on support plate b, 9-1,9-2,9-3,
9-4 is respectively the load cell on support plate c.
Specific embodiment
The technical solution of the utility model is introduced below in conjunction with attached drawing：
A kind of multi-functional piston-cylinder System friction-wear test test machine, including experimental test machine support 1, power part
Sub-stent 2, frequency control motor 3, speed changer 4, torque rotational speed detector 5, test machine supporting mechanism；The power section bracket
2 are fixed on adjacent with test machine supporting mechanism are tested on machine support 1；Frequency conversion rotating speed adjustable motor 3, speed changer 4 and torque revolving speed
Tester 5 is successively adjacent to be fixed on power section bracket 2；Frequency conversion rotating speed adjustable motor 3 passes through yielding coupling and speed changer 4
Input terminal connection, 4 output end of speed changer are connect by yielding coupling with torque rotational speed detector 5, and test machine piston crank connects
Linkage 7 is coupled by yielding coupling with torque rotational speed detector；Test machine supporting mechanism includes braced frame and test machine
Pilot sleeve supporting mechanism, test machine housing supports mechanism are mounted in braced frame, and test machine piston-cylinder 7-4, which suspends, to be installed
In test machine pilot sleeve supporting mechanism, and testing friction force snesor is directly connected to friction pair, high strong spring 7-5 installation
Both at the top of the special piston 7-3 of test machine, test machine piston crank link mechanism 7 is connect with torque rotational speed detector 5, pass through
Complete the test of the frictional force and crank link mechanism revolving speed between friction pair.
The scaffold of the test machine supporting device includes support plate a7, support plate b8, support plate c9, support plate a7,
Support plate b8, support plate c9 are successively fixed on side by side on test machine support 1；Test machine pilot sleeve 11 is mounted on branch by bolt
Between board b8 and support plate c9.Test machine housing supports mechanism includes that test machine cylinder sleeve pilot sleeve 11, test machine cylinder sleeve are led
It is connect respectively with support plate a, b to sleeve 11 by bolt,
Multiple load cells are equipped on the support plate b8 and support plate c9, test machine piston-cylinder 7-4 passes through steel
Pearl and pilot sleeve 11 are equipped, constitute suspension cylinder sleeve, the both ends of test machine piston-cylinder 7-4 and the dynamometry being mounted on support plate
Sensor contacts test the frictional force between the special piston 7-3 and test machine piston-cylinder 7-4 of test machine machine.In support plate b8
It is upper there are four pressure sensor 8-1,8-2,8-3,8-4, pressure sensor 9-1,9-2,9-3,9-4 there are four support plate c9 is upper, 8
A pressure sensor is for testing the special piston 7-3 upper piston ring of test machine machine and piston skirt and test machine piston-cylinder 7-4
Between frictional force.
A kind of multi-functional piston-cylinder System friction-wear test test machine, the special top piston 7-3 of test machine
High strong spring 7-5 is installed between support plate c9, by the spring of different-stiffness, in the case of simulated engine difference stroke, cylinder
The active force to top land is pressed, to obtain the lateral pressure of casing wall suffered by the skirt section test machine special piston 7-3.
A kind of multi-functional piston-cylinder System friction-wear test test machine, the skirt section test machine special piston 7-3
Periphery is linear roller bearing form, inside has small steel ball 15 rolling rolling circulation in circulating slot.
A kind of multi-functional piston-cylinder System friction-wear test test machine, the front end test machine special piston 7-3
Interior concave interior is equipped with elastic pressure regulating mechanism.
A kind of multi-functional piston-cylinder System friction-wear test test machine, elastic pressure regulating mechanism include
Elastic rubber 22,22 front and back end of elastic rubber are respectively equipped with pad pressing plate 16, are fixed on the special piston 7-3 of test machine by bolt 21
Front end is pushed up in indent, and 22 periphery of elastic rubber is equipped with segmentation annulus guard ring 20,19 one end of pressure sensor and segmentation annulus guard ring
20 contacts, the other end are contacted by pin 17 with piston ring 18.
A kind of multi-functional piston-cylinder System friction-wear test test machine, the test machine cylinder sleeve guide sleeve
11 peripheries of cylinder are wound with resistive heater 13.
A kind of multi-functional piston-cylinder System friction-wear test test machine, the test machine cylinder sleeve guide sleeve
Vibration excitation device 14 is installed on cylinder 11.
A kind of multi-functional piston-cylinder System friction-wear test test machine, outside the test machine piston skirt
It is equipped with annular groove track week, it is interior to contain multiple small steel balls 15.
A kind of multi-functional piston-cylinder System friction-wear test test machine, the test machine piston rod machine
Structure bottom is equipped with oil sump 12, is equipped with oil pump mechanism and resistive heater in oil sump 12.
Frequency control motor 3 drives speed changer 4, torque rotational speed detector 5, so that crank link mechanism 7 in Fig. 3 be driven to transport
Dynamic, high strong spring 7-5 is acted at the top of the special piston 7-3 of test machine in Fig. 3, the test machine of test machine special piston and Fig. 8
Piston-cylinder 7-4 mutually moves, interacts, and constitutes friction pair, with the rotation of frequency control motor 3, completes piston-cylinder liner
The friction-wear test of group, directly by load cell 8-1,8-2,8-3,8-4 and support plate c on support plate b in Fig. 5
Load cell 9-1,9-2,9-3,9-4 testing friction pair frictional force.
Technical solutions of the utility model implementation focus：
1, friction-wear test and test between piston ring and cylinder sleeve are carried out：Frequency control motor 3 drives speed changer 4 and turns round
Square rotational speed detector 5 drives test machine piston crank link mechanism as shown in Figure 4, makes such as the special piston of the test machine of Fig. 9 form
It is moved in 7-3 and the suspension cylinder sleeve of test machine piston-cylinder 7-4 form in fig. 8, sliding friction pair between the two is piston
Ring and cylinder sleeve, frictional force are bigger；Rolling friction pair is the skirt section linear bearing of the special piston 7-3 of test machine of special shape
Small steel ball and cylinder sleeve, and remove high strong spring 7-5 at this time, force of rolling friction is relatively small.By in Fig. 5 on support plate b
On load cell 8-1,8-2,8-3,8-4 and support plate c load cell 9-1,9-2,9-3,9-4 test suspension cylinder sleeve and
Frictional force between piston ring 18.
2, the friction-wear test and test between piston skirt and cylinder sleeve are carried out：In Fig. 4, conventional piston group is installed
Part removes the piston ring of conventional piston component, and high strong spring 7-5, such case are installed between the head piston 7-3 and support plate 9
Under, in the crank and connecting rod movement of Fig. 4, piston skirt contacts with each other with cylinder sleeve and relative motion, forms friction pair, rubs
It wipes wear test and carries out friction testing.
3, the fretting wear of piston-cylinder liner group is simulated：Conventional piston component is installed, is pacified between the head piston 7-3 and support plate 9
High strong spring 7-5 is filled, is operated normally, friction-wear test and friction testing are carried out.
4, it is the pressure by spring to top land that high strong spring 7-5, which installs function, in Fig. 3, simulate and really starts
Air pressure loads the spring of different-stiffness to the pressure of piston top when machine ignition, obtains simulated engine real work power
Under the conditions of, (such as expansion stroke uses high rigidity spring, and compression stroke uses opposite Low rigidity spring), piston skirt when each stroke
Portion to obtain piston-cylinder liner system friction wear test, while testing piston-under this condition to the lateral pressure of cylinder wall surface
The size of the frictional force of cylinder System.
5, resistive heater 13 and vibration exciter 14 can be installed on test machine cylinder sleeve guide sleeve 11 in Fig. 7, gives cylinder sleeve
Heated and apply certain frequency vibration, together with the heating galvanic couple in oil sump 12, further simulated engine it is true
Temperature and vibration under operating condition, the fretting wear of piston-cylinder liner group.
6, the radial force of piston ring adjusts pressure pad plate 16, elastic rubber 22 along piston axial direction by adjustment bolt 21 in Figure 10
Distance generates the radial displacement of rubber, and the segmentation annulus guard ring 20 being equipped with by periphery passes to one end of pressure sensor 19,
19 other end of pressure sensor is contacted by pin 17 with piston ring 18, and piston ring is passed to, and realizes piston ring to casing wall radial direction
The control of power size.
Invention has the following advantages that：
1, by simple structure, situations such as simulating pressure, vibration and the heating power of real engine, in non-ignition burning
In the case of, the fretting wear of the piston-cylinder liner system under maximum simulated engine actual condition；Frictional force is carried out simultaneously
The measurement of size；
2, the experimental test machine is open, can be convenient dismounting and combination, and load conveniently, therefore have measurement
Specific aim and accuracy can test out piston ring to cylinder sleeve such as by the different installation combinations of piston-cylinder liner system respectively
Frictional force, piston skirt is to influence of the effect to cylinder sleeve simultaneously of both frictional force, and consideration of cylinder sleeve.It simultaneously can also be at this
The piston-cylinder liner system of new model is matched in equipment；
3, using suspension cylinder sleeve, and targetedly placement sensor, can direct testing friction pair frictional force, therefore grind
It is more accurate true to study carefully the abrasion of piston-cylinder liner system friction.
To sum up, this experimental test machine has structure simple, easily manufactured, tests the advantages that accurate, is provided simultaneously with very high
Reliability, durability and economy.
Claims (8)
1. a kind of multi-functional piston-cylinder System friction-wear test test machine, which is characterized in that including test machine support (1),
Power section bracket (2), frequency control motor (3), speed changer (4), torque rotational speed detector (5), test machine supporting device；Become
Frequency modulation speed motor (3) is connect by yielding coupling with speed changer (4) input terminal, and speed changer (4) output end passes through elastic shaft coupling
Device is connect with torque rotational speed detector (5), and test machine piston crank link mechanism (7) passes through yielding coupling and torque tester
Connection；Test machine supporting device includes scaffold and test machine sleeve supporting device, and test machine piston-cylinder (7-4), which suspends, pacifies
In test machine pilot sleeve supporting device, and there is load cell to be directly connected to friction pair, piston crank link mechanism
(7) it is connect with torque rotational speed detector (5), the survey of the frictional force and crank link mechanism revolving speed between friction pair is completed by the two
Examination.
2. a kind of multi-functional piston-cylinder System friction-wear test test machine as described in claim 1, which is characterized in that
The scaffold of the test machine supporting device includes support plate a (6), support plate b (8), support plate c (9), support plate a (6),
Support plate b (8), support plate c (9) are successively fixed on side by side in test machine support (1)；Test machine cylinder sleeve pilot sleeve (11) passes through
Bolt is mounted between support plate b (8) and support plate c (9).
3. a kind of multi-functional piston-cylinder System friction-wear test test machine as claimed in claim 2, which is characterized in that
Multiple load cells are equipped on the support plate b (8) and support plate c (9), test machine piston-cylinder (7-4) passes through steel ball
It is equipped with test machine cylinder sleeve pilot sleeve (11), constitute suspension cylinder sleeve, the both ends of test machine piston-cylinder (7-4) and force-measuring sensing
Device contact, the frictional force between the special piston of test machine (7-3) and test machine piston-cylinder (7-4).
4. a kind of multi-functional piston-cylinder System friction-wear test test machine as claimed in claim 2, which is characterized in that
High strong spring (7-5) is installed between support plate c (9) at the top of the special piston of test machine (7-3), passes through the bullet of different-stiffness
Spring, in the case of simulated engine difference stroke, cylinder pressure is to the active force of top land, to obtain the special piston (7- of test machine
3) lateral pressure of casing wall suffered by skirt section.
5. a kind of multi-functional piston-cylinder System friction-wear test test machine as described in claim 1, which is characterized in that
The special piston of test machine (7-3) the skirt section periphery is linear roller bearing form, inside has small steel ball (15) rolling circulating slot
Interior rolling circulation.
6. a kind of multi-functional piston-cylinder System friction-wear test test machine as described in claim 1, which is characterized in that
Concave interior is equipped with elastic pressure regulating mechanism in the special piston of test machine (7-3) front end.
7. a kind of multi-functional piston-cylinder System friction-wear test test machine as claimed in claim 6, which is characterized in that
The elastic pressure regulating mechanism includes elastic rubber (22), and elastic rubber (22) front and back end is respectively equipped with pad pressing plate (16), is led to
It crosses bolt (21) to be fixed in the indent of the test machine piston-cylinder front end (7-4) top, elastic rubber (22) periphery is equipped with segmentation annulus
Guard ring (20), segmentation annulus guard ring (20) external contact have pressure sensor (19), and pressure sensor (19) other end passes through column
Pin (17) is contacted with piston ring (18).
8. a kind of multi-functional piston-cylinder System friction-wear test test machine as described in claim 1, which is characterized in that
Vibration exciter (14) are installed on the test machine cylinder sleeve pilot sleeve (11)；Test machine cylinder sleeve pilot sleeve (11) periphery twines
It is wound with resistive heater (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820708404.XU CN208125544U (en) | 2018-05-14 | 2018-05-14 | A kind of multi-functional piston-cylinder System friction-wear test test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820708404.XU CN208125544U (en) | 2018-05-14 | 2018-05-14 | A kind of multi-functional piston-cylinder System friction-wear test test machine |
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| Publication Number | Publication Date |
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| CN208125544U true CN208125544U (en) | 2018-11-20 |
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ID=64185657
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| CN201820708404.XU Expired - Fee Related CN208125544U (en) | 2018-05-14 | 2018-05-14 | A kind of multi-functional piston-cylinder System friction-wear test test machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362598A (en) * | 2018-05-14 | 2018-08-03 | 吉林大学 | A kind of multi-functional piston-cylinder System friction-wear test test machine |
| CN109520921A (en) * | 2018-12-14 | 2019-03-26 | 中国民航大学 | A kind of optical measuring device of reciprocating friction secondary surface friction, lubrication performance |
| CN110823536A (en) * | 2019-10-14 | 2020-02-21 | 中国北方发动机研究所(天津) | Piston skirt lateral pressure fatigue test device under high temperature environment |
| CN112394085A (en) * | 2020-11-10 | 2021-02-23 | 杭州德瑞新型材料科技有限公司 | Device and method for analyzing dangerousness of raw material substances of shield tail sealing grease |
| CN114199673A (en) * | 2021-12-17 | 2022-03-18 | 矿冶科技集团有限公司 | High-flux flame thermal shock coating performance test method and test device thereof |
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2018
- 2018-05-14 CN CN201820708404.XU patent/CN208125544U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362598A (en) * | 2018-05-14 | 2018-08-03 | 吉林大学 | A kind of multi-functional piston-cylinder System friction-wear test test machine |
| CN108362598B (en) * | 2018-05-14 | 2024-01-09 | 吉林大学 | Friction and wear test machine for multifunctional piston-cylinder sleeve system |
| CN109520921A (en) * | 2018-12-14 | 2019-03-26 | 中国民航大学 | A kind of optical measuring device of reciprocating friction secondary surface friction, lubrication performance |
| CN110823536A (en) * | 2019-10-14 | 2020-02-21 | 中国北方发动机研究所(天津) | Piston skirt lateral pressure fatigue test device under high temperature environment |
| CN112394085A (en) * | 2020-11-10 | 2021-02-23 | 杭州德瑞新型材料科技有限公司 | Device and method for analyzing dangerousness of raw material substances of shield tail sealing grease |
| CN114199673A (en) * | 2021-12-17 | 2022-03-18 | 矿冶科技集团有限公司 | High-flux flame thermal shock coating performance test method and test device thereof |
| CN114199673B (en) * | 2021-12-17 | 2023-08-08 | 矿冶科技集团有限公司 | High-flux flame thermal shock coating performance test method and test device thereof |
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