CN206270190U - Reciprocating machine piston-ring friction abrasion test device - Google Patents
Reciprocating machine piston-ring friction abrasion test device Download PDFInfo
- Publication number
- CN206270190U CN206270190U CN201621102903.1U CN201621102903U CN206270190U CN 206270190 U CN206270190 U CN 206270190U CN 201621102903 U CN201621102903 U CN 201621102903U CN 206270190 U CN206270190 U CN 206270190U
- Authority
- CN
- China
- Prior art keywords
- piston
- cylinder sleeve
- ring
- abrasion test
- reciprocating machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Testing Of Engines (AREA)
Abstract
The utility model discloses a kind of reciprocating machine piston-ring friction abrasion test device, including frame, drive device, supervising device, also include：Single cylinder engine, including flywheel, bent axle, connecting rod piston bar assembly, piston, the piston ring on the periphery wall of the piston, the cylinder sleeve for installing the piston, and it is arranged on the water jacket outside the cylinder sleeve, the piston ring constitutes cylinder liner piston ring friction pair with the inwall of the cylinder sleeve, there is cavity, the cavity circulates for cooling medium between the cylinder sleeve and water jacket；Working substance system, is connected with the single cylinder engine, the Working medium gas of pressure needed for for being provided in the cylinder sleeve to the single cylinder engine；Reciprocating machine piston-ring friction abrasion test device of the present utility model can measure the friction wasted work and wear rate of the cylinder liner piston ring of Stirling engine, so as to test out friction and wear behavior of the Stirling piston ring under operating mode, with certainty of measurement it is high, various working can be simulated the features such as.
Description
Technical field
The utility model is related to the structure-design technique field of the performance testing device of engine, espespecially a kind of reciprocating machine
Piston-ring friction abrasion test device.
Background technology
Stirling engine is a kind of piston-mode motor of outside heat supply (or burning), and it is pressed using gas as working medium
The mode of enclosed extraction cycle is operated, mainly by outside heat supply (burning) system, working cycles system (heat energy-mechanical energy
Converting system), transmission system (mechanical energy output system), accessory system and monitoring system composition.
Wherein, piston-ring friction abrasion is one of key technology of influence Stirling engine Performance And Reliability.Si Te
The Cylinder Liner-piston Ring friction pair of woods engine belongs to oil-free lubrication, living under Working medium gas (usually hydrogen or helium) atmosphere
Plug ring is adjacent to cylinder sleeve (generation sealing function) by Working medium gas alternating pressure, and in the presence of transmission mechanism according to certain rules
Motion.Therefore, with other kinds of prime mover there is larger difference, one in the Cylinder Liner-piston Ring friction pair in Stirling engine
As friction-wear test platform can not simulate the condition of work of piston stirling engine ring, such as working medium environment, alternating pressure and
Alternation speed etc., also cannot just test out the fretting wear situation of piston ring in Stirling engine.
Therefore, the applicant is devoted to providing a kind of reciprocating machine piston-ring friction abrasion test device.
Utility model content
The purpose of this utility model is to provide a kind of reciprocating machine piston-ring friction abrasion test device, and it can measure this
The friction wasted work and wear rate of the Cylinder Liner-piston Ring of special woods engine, so as to test out Stirling piston ring rubbing under operating mode
Wipe polishing machine, with certainty of measurement it is high, various working can be simulated the features such as.
In order to solve the above technical problems, the utility model is filled there is provided a kind of reciprocating machine piston-ring friction wear test
Put, including frame, drive device, supervising device, also include：Single cylinder engine, including flywheel and the flywheel connection bent axle and
The connecting rod piston bar assembly of bent axle connection and the piston of connecting rod piston bar assembly connection, installed in the piston
Piston ring on periphery wall, the cylinder sleeve for installing the piston, and the water jacket outside the cylinder sleeve is arranged on, the piston
Ring constitutes Cylinder Liner-piston Ring friction pair with the inwall of the cylinder sleeve, has cavity between the cylinder sleeve and water jacket, and the cavity is used
In cooling medium circulation；Working substance system, is connected with the single cylinder engine, pressure needed for for being provided in the cylinder sleeve to the single cylinder engine
Working medium gas.
Preferably, above-mentioned reciprocating machine piston-ring friction abrasion test device, described supervising device and the single cylinder
The connection of machine, working substance system, cooling system and drive device, for being driven to experimental rig, being controlled and parameter measurement, bag
Include：Cooling medium detector, is connected with the cavity between the cylinder sleeve and water jacket, temperature and stream for monitoring cooling medium
Amount；Pressure sensor, the inner chamber with the cylinder sleeve is connected, for monitoring the gas pressure in the cylinder sleeve；Dynamometer, it is and described
Drive device is connected, and is connected between motor and single cylinder engine, the output work for measuring the drive device.
Preferably, above-mentioned reciprocating machine piston-ring friction abrasion test device, the cylinder sleeve of the single cylinder engine is provided with hole
Road, and the duct connects with the intermediate cavity of the piston, the duct is also connected with the pressure sensor, and the pressure is passed
Sensor is used to monitor the gas pressure in the intermediate cavity of the piston.
Preferably, above-mentioned reciprocating machine piston-ring friction abrasion test device, the cylinder sleeve-piston in the cylinder sleeve
The ratio between dead volume in upper and lower chamber of ring friction pair be work pressure ratio, the work pressure ratio be the cylinder sleeve upper and lower chamber in most
The ratio of big operating pressure and minimum operating pressures that.
Preferably, above-mentioned reciprocating machine piston-ring friction abrasion test device, the drive device includes motor, shaft coupling
Device and frequency converter, the two ends of the shaft coupling are connected with the flywheel in the output end and the single cylinder engine of the motor respectively, institute
Frequency converter is stated with the motor connection.
Preferably, above-mentioned reciprocating machine piston-ring friction abrasion test device, also including frame, the frame is used to pacify
Fill the single cylinder engine, working substance system, drive device and supervising device；Damper, is connected with the frame, for reducing the machine
The vibration of frame.
Preferably, above-mentioned reciprocating machine piston-ring friction abrasion test device, also including warning device, with the monitoring
Device is connected, for getting alert when running parameter occurs abnormal in the supervising device.
Reciprocating machine piston-ring friction abrasion test device of the present utility model can realize following at least one beneficial effect
Really.
1st, experimental rig of the present utility model drives single cylinder engine to operate by drive device, then by working substance system to single cylinder
Charge and discharge Working medium gas in machine, so as to simulate actual operating conditions (including the working medium ring of cylinder sleeve-Piston Ring in single cylinder engine
Border, alternating pressure, alternation speed etc.), single cylinder engine operationally, has cooling medium to pass through in the cavity between cylinder sleeve and water jacket,
Cooling medium is lowered the temperature to cylinder sleeve, single cylinder engine run during, supervising device obtain respectively single cylinder engine, working substance system and
The running parameter of drive device, the friction wasted work of Cylinder Liner-piston Ring friction pair can be calculated by these running parameters, together
When, the piston ring scuffing amount obtained with reference to measurement can just evaluate the polishing machine of Cylinder Liner-piston Ring friction pair.
2nd, the supervising device in experimental rig of the present utility model by cooling medium detector monitor cylinder sleeve and water jacket it
Between cooling medium, and obtain its temperature and flow, the pressure of gas in cylinder sleeve is obtained by pressure sensor, by dynamometer
The output work of drive device is measured, the friction wasted work of Cylinder Liner-piston Ring friction pair can be accurately calculated by these parameters.
3rd, the hole that experimental rig of the present utility model is connected by the setting on the cylinder sleeve of single cylinder engine with the intermediate cavity of piston
Road, then by pressure sensor measurement come the gas pressure in measuring holes, that is, piston intermediate cavity gas pressure, pass through
This parameter can also obtain the quantity of gas leakage at piston ring, in conjunction with other running parameters, it is possible to more precisely
Calculate the friction wasted work of Cylinder Liner-piston Ring friction pair.
4th, the ratio between dead volume in upper and lower chamber of cylinder sleeve is certain in experimental rig of the present utility model, and is that single cylinder engine is being transported
During row in the upper and lower chamber of cylinder sleeve maximum working pressure (MWP) and minimum operating pressures that ratio, so set can accurately simulate
The gas pressure that drag ring is born in Stirling engine, makes the operation of single cylinder engine closer to simulation Stirling engine
Operation, so that result of the test is more accurate.
5th, experimental rig of the present utility model is by setting lubricating arrangement, so that crankshaft and piston bar coupling assembly can be with
Even running, be effectively ensured certain transmission efficiency, and then guarantee test is smoothed out.
6th, experimental rig of the present utility model drives motor by setting shaft coupling between motor and single cylinder engine
Single cylinder engine even running, and shaft coupling may also operate as the effect of buffering, vibration damping and raising shafting dynamic property, by setting
Frequency converter can effective regulation motor output, the further effective speed of service of control single cylinder engine.
7th, experimental rig of the present utility model will install drive device, working substance system, single cylinder engine and monitoring dress by frame
Put, and frame is arranged on a damper, damper can effectively buffer the vibration that each part is operationally produced, from
And ensure that the accuracy of the running parameter that supervising device gets.
8th, experimental rig of the present utility model controls the operation of each part by a control system, and so setting can be with
Improve the accuracy and efficiency of experiment.
9th, experimental rig of the present utility model is sent out by warning device when the running parameter of each part occurs abnormal
Go out alarm signal, the security performance that improve experimental rig is so set.
10th, experimental rig of the present utility model is by setting the running parameter that display gets come display monitoring device,
So that operating personnel can recognize the ruuning situation of experiment with quicklook.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is a kind of structure of specific embodiment of reciprocating machine piston-ring friction abrasion test device of the present utility model
Schematic diagram；
Fig. 2 is the structural representation of the single cylinder engine of the reciprocating machine piston-ring friction abrasion test device shown in Fig. 1.
Drawing reference numeral explanation：
10 single cylinder engines, 11 flywheels, 12 crankcases, 13 water jackets, 14 cylinder sleeves, 15 pistons, 16 piston rings, 17 piston rods, 20 works
Matter system, 30 shaft couplings, 40 dynamometers, 50 motors, 60 frames.
Specific embodiment
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
As depicted in figs. 1 and 2, this specific embodiment discloses a kind of reciprocating machine piston-ring friction abrasion test device,
Including：Single cylinder engine 10, motor 50, shaft coupling 30, dynamometer 40, working substance system 20, cooling system and supervising device, motor 50 with
Series connection dynamometer 40 between single cylinder engine 10, and connected with shaft coupling 30.Supervising device, with single cylinder engine 10, working substance system 20, measurement of power
Instrument 40 and motor 50 are connected, for being driven to the equipment, being controlled and parameter measurement.Working substance system 20, with single cylinder engine 10
Connection, for providing Working medium gas to single cylinder engine 10, simulates the operating condition of difference cylinder pressure.Cooling system is used for single cylinder
Machine 10 provides cooling water and is cooled down.
Single cylinder engine 10 is reciprocating piston, including flywheel 11, bent axle, connecting rod, piston rod 17, cylinder sleeve 14, piston 15,
And the water jacket 13 outside cylinder sleeve 14 is arranged on, piston ring 16 to be tested is arranged on the periphery wall of piston 15, piston ring 16
Inwall with cylinder sleeve 14 constitutes Cylinder Liner-piston Ring friction pair, has cavity between cylinder sleeve 14 and water jacket 13, and cavity is used to cool down Jie
Mass flow is led to, and cooling medium uses cooling water in the present embodiment.
Single cylinder engine in the present embodiment is formed by single cylinder diesel or the Reciprocting piston compressor transformation of the way, wherein bent axle and work
The type of belt drive and Cylinder Liner-piston Ring friction pair of stopper rod coupling assembly are similar with Stirling engine；Specifically, in single cylinder engine
Piston rod coupling assembly be connected with bent axle by crosshead pin；In addition, single cylinder engine also includes a crankcase 12, cylinder sleeve 14, water
The parts such as set 13 and bent axle are arranged on crankcase 12.
Specifically, supervising device includes：Cooling medium detector, between cooling medium detector and cylinder sleeve 14 and water jacket 13
Cavity connection, temperature and flow for obtaining cooling medium；Pressure sensor (not shown), the inner chamber with cylinder sleeve 14
Connection, for monitoring the gas pressure in cylinder sleeve 14, the gas in the upper and lower chamber of specific monitoring cylinder sleeve inner cylinder liner-Piston Ring
Body pressure；Dynamometer 40, is connected with drive device, is connected between motor and single cylinder engine, the output for measuring drive device
Work(.
Specifically, the cylinder sleeve 14 of single cylinder engine 10 is provided with duct, and duct connects with the intermediate cavity of piston 15, duct also with
Pressure sensor is connected, and pressure sensor is used to monitor the gas pressure in the intermediate cavity of piston 15, and so setting to be lived
The gas pressure parameter of the intermediate cavity of plug and the leakage rate parameter of piston ring, can obtain more accurate with reference to the two parameters
Result of the test.
Specifically, the ratio between dead volume in upper and lower chamber of Cylinder Liner-piston Ring friction pair in cylinder sleeve 14 is work pressure ratio, work
Make the ratio of the maximum working pressure (MWP) and minimum operating pressures that in the upper and lower chamber that pressure ratio is cylinder sleeve 14.The dead volume in upper and lower chamber is
The volume of inaccessiable part when referring to that Cylinder Liner-piston Ring friction pair is moved and moved downward upwards in cylinder sleeve, that is, cylinder
The volume more than peak of the Cylinder Liner-piston Ring friction pair operation stroke in set and the volume below minimum point.Need explanation
, in the running of piston, the maximum working pressure (MWP) in the upper and lower chamber of cylinder sleeve-Piston Ring is close in cylinder sleeve,
The minimum operating pressures that in upper and lower chamber is also close.
Specifically, reciprocating machine piston-ring friction abrasion test device also includes lubricating arrangement (not shown), lubrication
Device is connected with single cylinder engine, for lubricating the bent axle in single cylinder engine and connecting rod piston bar assembly, so as to ensure that bent axle and connecting rod are lived
Stopper rod component can smoothly drive piston movement.
Specifically, drive device includes motor 50, shaft coupling 30 and frequency converter (not shown), the two ends of shaft coupling 30
It is connected with the output end of motor 50 and the flywheel 11 of single cylinder engine 10 respectively, frequency converter is connected with motor 50, and frequency converter can be adjusted
The rotating speed of flywheel, simulates different operating conditions.
Specifically, reciprocating machine piston-ring friction abrasion test device also includes：Frame 50, frame 50 is used to install single cylinder
Machine 10, working substance system 20, drive device and supervising device；Damper (not shown), damper is connected with frame 50, is used for
Reduce the vibration of frame 50.So setting can be such that single cylinder engine 10, working substance system 20, drive device and supervising device steadily transports
OK.
Specifically, reciprocating machine piston-ring friction abrasion test device also includes control system (not shown), control
System is connected with single cylinder engine 10, working substance system 20, drive device and supervising device respectively, for controlling single cylinder engine 10, work respectively
The operation of matter system 20, drive device and supervising device.
Specifically, reciprocating machine piston-ring friction abrasion test device also includes warning device (not shown), alarm
Device is connected with supervising device, the abnormal work for getting single cylinder engine 10, working substance system 20 and drive device in supervising device
Make alert during parameter.
Specifically, reciprocating machine piston-ring friction abrasion test device also includes display (not shown), display
It is connected with supervising device, for all working parameter that display monitoring device gets.
Of course, in other specific embodiments, reciprocating machine piston-ring friction abrasion test device of the present utility model
The change of the test parameters that the composition of middle supervising device can also be monitored as needed is adjusted；Upper and lower chamber is dead in cylinder sleeve
The ratio between volume can also be configured according to other rules；Shaft coupling and frequency converter in drive device can selectively set
Put；Frame and damper can also selectively be set；Additionally, reciprocating machine piston-ring friction wear test dress of the present utility model
Control system, warning device and display in putting can selectively be set as needed, and here is omitted.
Exemplary, as depicted in figs. 1 and 2, reciprocating machine piston-ring friction abrasion test device of the present utility model
The concrete application situation of embodiment is as follows：
1st, control system controlled motor 50 starts, and motor 50 drives the flywheel 11 of single cylinder engine 10 by shaft coupling 30；
2nd, flywheel 11 is moved with dynamic crankshaft 12, and bent axle 12 is further driven to piston rod coupling assembly 13 and moves；
3rd, piston rod coupling assembly 13 is moved with piston 15 in cylinder sleeve 14；
4th, when piston 15 is moved in cylinder sleeve 14, working substance system 20 to Working medium gas are input into cylinder sleeve 14, in Working medium gas
Under (hydrogen or helium) atmosphere, piston ring 16 is adjacent to cylinder sleeve 14 by the alternating pressure of Working medium gas, so as to produce sealing function；
5th, when piston 15 is moved in cylinder sleeve 14, cooling water flows in the cavity between cylinder sleeve 14 and water jacket 13, to cylinder
Set 14 is cooled down；
6th, when piston 15 is moved in cylinder sleeve 14, cooling medium detector 41 obtains temperature and the flow ginseng of cooling medium
Number, pressure sensor obtains the upper and lower chamber gas pressure parameter and the cavity of piston 15 of 14 inner cylinder liners of cylinder sleeve-Piston Ring
Interior pressure parameter；Dynamometer 40 obtains the output work parameter of drive device；
7th, piston 15 is taken out, piston rod coupling assembly 13 is in Light Condition and is run under the drive of bent axle 12,
So as to measure the transmission wasted work of single cylinder engine；
8th, the wear extent of piston ring 16 is measured；
9th, according to cooling medium temperature and flow, the input quantity of Working medium gas (being provided by working substance system), in cylinder sleeve
The mill of air pressure (gas pressure of upper and lower chamber and piston intermediate cavity), the output work of drive device, transmission wasted work and piston ring
The parameters such as damage amount calculate the friction wasted work of Cylinder Liner-piston Ring friction pair, further evaluate the mill of Cylinder Liner-piston Ring friction pair
Damage performance.
In process of the test, damper it is possible to prevente effectively from the vibration of frame, so as to effectively buffer each component devices
Vibration, it is ensured that the operation of each component devices is not affected by vibrations, it is ensured that the accuracy of its running parameter；Lubricating arrangement pair
Crankshaft-and-connecting-rod piston rod assembly is lubricated, it is ensured that certain transmission efficiency；Warning device is monitored respectively in supervising device
When the running parameter of component devices occurs abnormal, alert allows testing crew to shut down in time and is adjusted；Display
Device is then easy to testing crew to be visually known test situation.
This experimental rig is using the reciprocating machine cylinder sleeve-piston in the simulation Stirling engine such as single cylinder engine, working substance system
The condition of work of ring, it is capable of the stress and speed of regulating piston ring as required, so as to measure the friction consumption for drawing piston ring
Work(and wear rate, with safe and reliable, favorable repeatability and the features such as can carry out long duration test, disclosure satisfy that reciprocating machine piston
The research test request of ring friction and wear behavior.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of reciprocating machine piston-ring friction abrasion test device, including frame, drive device, supervising device, its feature exist
In also including：
Single cylinder engine, including flywheel and the flywheel connection bent axle and the bent axle connection connecting rod piston bar assembly and institute
State connecting rod piston bar assembly connection piston, the piston ring on the periphery wall of the piston, for installing the piston
Cylinder sleeve, and be arranged on the water jacket outside the cylinder sleeve, the piston ring constitutes Cylinder Liner-piston Ring with the inwall of the cylinder sleeve
Friction pair, has cavity between the cylinder sleeve and water jacket, the cavity circulates for cooling medium；
Working substance system, is connected with the single cylinder engine, the Working medium gas of pressure needed for for being provided in the cylinder sleeve to the single cylinder engine.
2. reciprocating machine piston-ring friction abrasion test device as claimed in claim 1, it is characterised in that：
Described supervising device is connected with the single cylinder engine, working substance system, cooling system and drive device, for experimental rig
It is driven, controls and parameter measurement, including：
Cooling medium detector, is connected with the cavity between the cylinder sleeve and water jacket, temperature and stream for monitoring cooling medium
Amount；
Pressure sensor, the inner chamber with the cylinder sleeve is connected, for monitoring the gas pressure in the cylinder sleeve；
Dynamometer, is connected with the drive device, is connected between motor and single cylinder engine, for measuring the defeated of the drive device
Go out work(.
3. reciprocating machine piston-ring friction abrasion test device as claimed in claim 2, it is characterised in that：The single cylinder engine
Cylinder sleeve is provided with duct, and the duct connects with the intermediate cavity of the piston, and the duct also connects with the pressure sensor
Connect, the pressure sensor is used to monitor the gas pressure in the intermediate cavity of the piston.
4. reciprocating machine piston-ring friction abrasion test device as claimed in claim 3, it is characterised in that：In the cylinder sleeve
The ratio between dead volume in upper and lower chamber of the Cylinder Liner-piston Ring friction pair is work pressure ratio, and the work pressure ratio is the cylinder sleeve
The ratio of maximum working pressure (MWP) and minimum operating pressures that in upper and lower chamber.
5. reciprocating machine piston-ring friction abrasion test device as claimed in claim 4, it is characterised in that：The drive device
Including motor, shaft coupling and frequency converter, the two ends of the shaft coupling respectively with the output end and the single cylinder engine of the motor in
Flywheel connection, the frequency converter and the motor connection.
6. reciprocating machine piston-ring friction abrasion test device as claimed in claim 5, it is characterised in that also include：
Frame, the frame is used to install the single cylinder engine, working substance system, drive device and supervising device；Damper, it is and described
Frame is connected, the vibration for reducing the frame.
7. reciprocating machine piston-ring friction abrasion test device as claimed in claim 6, it is characterised in that also include：
Warning device, is connected with the supervising device, is sent out for being got when running parameter occurs abnormal in the supervising device
Go out warning message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102903.1U CN206270190U (en) | 2016-09-30 | 2016-09-30 | Reciprocating machine piston-ring friction abrasion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102903.1U CN206270190U (en) | 2016-09-30 | 2016-09-30 | Reciprocating machine piston-ring friction abrasion test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206270190U true CN206270190U (en) | 2017-06-20 |
Family
ID=59036692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621102903.1U Expired - Fee Related CN206270190U (en) | 2016-09-30 | 2016-09-30 | Reciprocating machine piston-ring friction abrasion test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206270190U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085079A (en) * | 2018-09-25 | 2018-12-25 | 合肥工业大学 | A kind of multifunctional internal-combustion engine cylinder liner piston ring friction wear testing machine |
| CN109488482A (en) * | 2018-12-19 | 2019-03-19 | 上海齐耀动力技术有限公司 | A kind of Stirling engine cooler flow resistance test device and system |
| CN109738317A (en) * | 2018-12-12 | 2019-05-10 | 华南理工大学 | A kind of Cylinder Liner-piston Ring frictional wear test device |
| CN110005659A (en) * | 2019-04-08 | 2019-07-12 | 深圳市华星光电技术有限公司 | Cylinder method for real-time monitoring |
| CN110779700A (en) * | 2019-11-12 | 2020-02-11 | 湖南江滨机器（集团）有限责任公司 | Piston excircle wear test device |
-
2016
- 2016-09-30 CN CN201621102903.1U patent/CN206270190U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085079A (en) * | 2018-09-25 | 2018-12-25 | 合肥工业大学 | A kind of multifunctional internal-combustion engine cylinder liner piston ring friction wear testing machine |
| CN109085079B (en) * | 2018-09-25 | 2021-04-02 | 合肥工业大学 | Multifunctional internal combustion engine cylinder sleeve piston ring friction wear testing machine |
| CN109738317A (en) * | 2018-12-12 | 2019-05-10 | 华南理工大学 | A kind of Cylinder Liner-piston Ring frictional wear test device |
| CN109738317B (en) * | 2018-12-12 | 2023-12-22 | 华南理工大学 | Cylinder sleeve-piston ring friction and wear test device |
| CN109488482A (en) * | 2018-12-19 | 2019-03-19 | 上海齐耀动力技术有限公司 | A kind of Stirling engine cooler flow resistance test device and system |
| CN109488482B (en) * | 2018-12-19 | 2023-08-29 | 上海齐耀动力技术有限公司 | Cooler flow resistance testing device and system for Stirling engine |
| CN110005659A (en) * | 2019-04-08 | 2019-07-12 | 深圳市华星光电技术有限公司 | Cylinder method for real-time monitoring |
| CN110005659B (en) * | 2019-04-08 | 2020-08-11 | 深圳市华星光电技术有限公司 | Real-time monitoring method for air cylinder |
| CN110779700A (en) * | 2019-11-12 | 2020-02-11 | 湖南江滨机器（集团）有限责任公司 | Piston excircle wear test device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206270190U (en) | Reciprocating machine piston-ring friction abrasion test device | |
| CN106246617B (en) | The high-performance combined seal ring Performance Test System of reciprocating machine | |
| CN205593870U (en) | Experimental device for test engine piston ring - lubricated friction properties of cylinder liner | |
| CN101793607B (en) | Cooling test device of engine piston injected oil | |
| US11402319B2 (en) | Testing platform with floating cylinder for high-pressure and high-speed reciprocating sealing experiment | |
| CN104165768A (en) | Bearing integrated dynamic performance test device and method | |
| CN105136457A (en) | High/low-temperature controllable multi-specification rolling bearing test bench | |
| CN107782555A (en) | A kind of testing large rotating machinery bearing shell performance and the multi-function test stand in life-span | |
| CN103630301A (en) | Method for testing liquid lubrication machine seal sealing performance and devices thereof | |
| CN104568275A (en) | Test device and method for friction force of cylinder sleeve and piston assembly | |
| CN101738313B (en) | Method for testing bearing low-temperature lean oil resistance start-up performance for aircraft engine and device | |
| CN113343482A (en) | Vehicle power system monitoring and management method based on digital twins | |
| CN113464391A (en) | High-power five-cylinder drilling pump system, solid control system and drilling machine | |
| CN206804196U (en) | A kind of fired state lower piston component and cylinder sleeve friction testing device | |
| CN110006658B (en) | Method for monitoring influence of friction force of cylinder sleeve of reciprocating equipment on shafting torsional vibration | |
| Wang et al. | Motion mechanism study on the valve disc of an ultra-high pressure reciprocating pump | |
| CN201653698U (en) | Oil-spraying cooling test device of engine piston | |
| CN211121988U (en) | Novel high-speed flywheel test device | |
| CN105021472A (en) | Stream corrosion fatigue test system | |
| CN108332959A (en) | A kind of high/low temperature sealing test experimental bench | |
| CN211954697U (en) | Testing device for wet brake of drive axle | |
| CN105067269B (en) | A kind of piston testing apparatus | |
| Massini et al. | Windage losses of a meshing gear pair measured at different working conditions | |
| Mistry et al. | Study of tribological parameters on SI Engine-A case study | |
| Hedhli et al. | Thermomechanical behavior of the piston of an aircooled diesel engine in semi-permanent mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20210930 |