CN107907437A - Internal combustion engine bearing Gao Wenbushi rigidity detection devices and detection method - Google Patents
Internal combustion engine bearing Gao Wenbushi rigidity detection devices and detection method Download PDFInfo
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- CN107907437A CN107907437A CN201711346563.6A CN201711346563A CN107907437A CN 107907437 A CN107907437 A CN 107907437A CN 201711346563 A CN201711346563 A CN 201711346563A CN 107907437 A CN107907437 A CN 107907437A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/54—Performing tests at high or low temperatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0078—Hardness, compressibility or resistance to crushing using indentation
- G01N2203/008—Residual indentation measurement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of internal combustion engine bearing Gao Wenbushi rigidity detection devices, including Brinell hardness tester, open containers are provided with the support column of the Brinell hardness tester, the pressure head location directly below that Brinell hardness tester is located in open containers is fixed with objective table, bearing shell sample is placed with objective table；Heat transfer medium, temperature sensor and electric heating tube are loaded with open containers, temperature sensor and electric heating tube are respectively electrically connected to temperature controller.A kind of detection method using the detection device, comprises the following steps：A, bearing shell sample is made；B, the end face of bearing shell sample is polished whole；C, bearing shell sample is placed on objective table；D, temperature controller setting heating-up temperature is given in the range of 60 DEG C~150 DEG C, is kept the temperature after temperature reaches design temperature；E, start Brinell hardness tester, tested according to the difference of bearing shell sample material by different test forces and load time；F, bearing shell sample is taken out, impression diameter is measured, obtains hardness number at this temperature.
Description
Technical field
The invention belongs to internal combustion engine bearing to process detection technique field, and in particular to a kind of internal combustion engine bearing Gao Wenbushi is hard
Spend detection device and detection method.
Background technology
Internal combustion engine bearing forms friction pair, the particle brought due to start and stop, lubricating oil in the process of running, with axle journal
Deng bearing shell may being made to be in the states such as dry friction, mixed film friction, raise bearing shell running temperature, temperature rise makes bush material
Hardness accordingly declines, its bearing capacity also accordingly declines, and more than to a certain degree, bearing shell early fatigue will occur due to Lack of support
Failure, causes internal combustion engine to seize and the major accident such as kills.Different bearing shells have different temperature tolerances, and different bearing shells are tested in analysis
Temperature tolerance, evaluates it and adapts to different engine conditions abilities, realizes the preferred of internal combustion engine bearing and matching.Therefore bearing shell is tested
High temperature hardness and temperature tolerance are just particularly important.
This patent has made a Gao Wenbushi rigidity detection device and corresponding test method by research, for testing
Bush material high temperature hardness, a kind of new test method is provided for bearing shell resistance to elevated temperatures research.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of simple in structure, the internal combustion engine bearing high temperature cloth of convenient detection
Family name's rigidity detection device and detection method,
Technical solution of the present invention is as follows：
A kind of internal combustion engine bearing Gao Wenbushi rigidity detection devices, including Brinell hardness tester, the support of the Brinell hardness tester
An open containers are provided with column, an objective table is vertically fixed with the open containers, the objective table is positioned at described
The underface of the pressure head of Brinell hardness tester, is placed with bearing shell sample on the objective table；
Heat transfer medium is loaded with the open containers, the liquid level of the heat transfer medium is higher than the bearing shell sample
Highly；
Temperature sensor and electric heating tube are also placed with the open containers, the temperature sensor and electric heating tube difference
It is electrically connected to temperature controller.
Preferably, the heat transfer medium is lubricating oil or water.
A kind of detection method using the internal combustion engine bearing Gao Wenbushi rigidity detection devices, comprises the following steps：
A, bearing shell sample is made, the bearing shell sample and the material of actual bearing shell are consistent；
The end face of bearing shell sample is polished to whole, guarantee bearing shell specimen surface flat-satin b,；
C, bearing shell sample is placed on objective table；
D, a heating-up temperature is set to the temperature controller in the range of 60 DEG C~150 DEG C, opens electric heating tube, treat temperature
Kept the temperature after reaching design temperature；
E, start Brinell hardness tester, added according to the difference of bearing shell sample material by different test forces and load time
Carry experiment；
F, unloaded after the completion of loading, take out bearing shell sample, clean up and impression diameter is measured after being cooled to room temperature, obtained
The hardness number of the design temperature lower bearing sample.
Preferably, the bearing shell sample of every kind of material makes three respectively in the step a, and perform respective markers.
Preferably, every bearing shell sample of every kind of material is loaded respectively in the step e, in the step f
The hardness number as the bearing shell sample is averaged after the completion of loading to the hardness number of the bearing shell sample of every kind of material.
Preferably, the steel ball size of the pressure head of the Brinell hardness tester is 1~10mm when being loaded in the step e, add
Load power is 5~250N, and the load time is 30~180S.
Beneficial effect：The present invention analyzes the temperature tolerance of test different materials bearing shell by testing the high temperature hardness of bearing shell,
To meet the duty requirements of different internal combustion engines, the working performance of internal combustion engine is improved, meanwhile, structure of the detecting device of the invention letter
Single, easy to use, detection method is simple and reliable.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
Internal combustion engine bearing Gao Wenbushi rigidity detection devices shown in attached drawing 1, including Brinell hardness tester 1, the Brinell hardness
An open containers 2 are provided with the support column 12 of meter 1, an objective table 21 is vertically fixed with the open containers 2, should
Objective table 21 is located at the underface of the pressure head 11 of the Brinell hardness tester 1, and bearing shell sample 7 is placed with the objective table 21.
Heat transfer medium 6 is loaded with the open containers 2, the liquid level of the heat transfer medium 6 is tried higher than the bearing shell
The height of sample 7, can be such that the bearing shell sample 7 is submerged in completely in heat transfer medium 6, which is lubricating oil or water.
Temperature sensor 4 and electric heating tube 3 are also placed with the open containers 2, the temperature sensor 4 and electric heating tube
3 are fixed on the side wall of open containers 2 or on bottom wall, and the temperature sensor 4 and electric heating tube 3 are respectively electrically connected to temperature controller
5。
A kind of detection method using the internal combustion engine bearing Gao Wenbushi rigidity detection devices, comprises the following steps：
A, bearing shell sample is made, the bearing shell sample and the material structure of actual bearing shell are consistent, the bearing shell of every kind of material
Sample makes three respectively, and performs respective markers, and the size of the bearing shell sample is 50 × 5mm of φ；
The end face of bearing shell sample is polished to whole, guarantee bearing shell specimen surface flat-satin b,；
C, bearing shell sample is placed on objective table 21, and ensures to be totally immersed into heat transfer medium 6；
D, a heating-up temperature is set to the temperature controller 5 in the range of 60 DEG C~150 DEG C, opens electric heating tube 3, treat temperature
Degree keeps the temperature 10 minutes after reaching design temperature；
E, start Brinell hardness tester 1 to be tried by different test forces and load time according to the difference of bearing shell sample material
Test, and load test carried out respectively to every bearing shell sample of every kind of material,
Wherein copper alloy bearing-bush steel ball size of the pressure head 11 of the Brinell hardness tester 1 in loading elects 2.5mm as, loads
Power elects 31.25N as, and the load time elects 30S as；
Al alloy bearing shell steel ball size of the pressure head 11 of the Brinell hardness tester 1 in loading elects 1mm as, and loading force is elected as
5N, load time elect 30S as；
Bidery metal bearing shell steel ball size of the pressure head 11 of the Brinell hardness tester 1 in loading elects 10mm, loading force choosing as
For 250N, the load time elects 30S as；Or the steel ball size of bidery metal bearing shell pressure head 11 of the Brinell hardness tester 1 in loading
Elect 5mm as, loading force elects 25N as, and the load time elects 180S as；
F, unloaded after the completion of loading, take out bearing shell sample, clean up and measure impression diameter after being cooled to room temperature, to every
The hardness number of the bearing shell sample of kind material, which is averaged, is used as the hardness number of bearing shell sample at the set temperature.
Preferred embodiment of the invention described in detail above.It should be appreciated that those of ordinary skill in the art without
Need creative work to conceive according to the present invention and make many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (6)
- A kind of 1. internal combustion engine bearing Gao Wenbushi rigidity detection devices, it is characterised in that：Including Brinell hardness tester (1), the Bu Shi An open containers (2) are provided with the support column (12) of hardometer (1), are vertically fixed with the open containers (2) One objective table (21), the objective table (21) are located at the underface of the pressure head (11) of the Brinell hardness tester (1), and the objective table (21) bearing shell sample (7) is placed with；Heat transfer medium (6) is loaded with the open containers (2), the liquid level of the heat transfer medium (6) is higher than the bearing shell The height of sample (7)；Temperature sensor (4) and electric heating tube (3) are also placed with the open containers (2), the temperature sensor (4) and electricity add Heat pipe (3) is respectively electrically connected to temperature controller (5).
- 2. internal combustion engine bearing Gao Wenbushi rigidity detection devices according to claim 1, it is characterised in that：The heat transfer is situated between Matter (6) is lubricating oil or water.
- 3. a kind of detection method for applying internal combustion engine bearing Gao Wenbushi rigidity detection devices as claimed in claim 1 or 2, its It is characterized in that comprising the following steps：A, bearing shell sample is made, the bearing shell sample and the material of actual bearing shell are consistent；The end face of bearing shell sample is polished to whole, guarantee bearing shell specimen surface flat-satin b,；C, bearing shell sample is placed on objective table (21)；D, the temperature controller (5) setting heating-up temperature is given in the range of 60 DEG C~150 DEG C, electric heating tube (3) is opened, treats that temperature reaches Kept the temperature after to design temperature；E, start Brinell hardness tester (1), added according to the difference of bearing shell sample material by different test forces and load time Carry experiment；F, unloaded after the completion of loading, take out bearing shell sample, clean up and measure impression diameter after being cooled to room temperature, obtain this and set The hardness number of constant temperature degree lower bearing sample.
- 4. the detection method of internal combustion engine bearing high temperature Brinell hardness according to claim 3, it is characterised in that：The step The bearing shell sample of every kind of material makes three respectively in a, and performs respective markers.
- 5. the detection method of internal combustion engine bearing high temperature Brinell hardness according to claim 4, it is characterised in that：The step Load test is carried out respectively to every bearing shell sample of every kind of material in e, to every kind of material after the completion of being loaded in the step f The hardness number of bearing shell sample is averaged the hardness number as the bearing shell sample.
- 6. the detection method of internal combustion engine bearing high temperature Brinell hardness according to claim 4 or 5, it is characterised in that：It is described The steel ball size of the pressure head (11) of the Brinell hardness tester (1) is 1~10mm when being loaded in step e, and loading force is 5~250N, Load time is 30~180S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346563.6A CN107907437B (en) | 2017-12-15 | 2017-12-15 | High-temperature Brinell hardness detection device and detection method for bearing bush of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346563.6A CN107907437B (en) | 2017-12-15 | 2017-12-15 | High-temperature Brinell hardness detection device and detection method for bearing bush of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107907437A true CN107907437A (en) | 2018-04-13 |
| CN107907437B CN107907437B (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711346563.6A Active CN107907437B (en) | 2017-12-15 | 2017-12-15 | High-temperature Brinell hardness detection device and detection method for bearing bush of internal combustion engine |
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| CN (1) | CN107907437B (en) |
Citations (8)
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|---|---|---|---|---|
| JP2010169559A (en) * | 2009-01-23 | 2010-08-05 | Ihi Corp | Specimen heating device of reciprocating abrasion testing device |
| CN201965064U (en) * | 2011-01-07 | 2011-09-07 | 株洲迪远硬质合金工业炉有限公司 | High-temperature hardness gauge |
| CN102313678A (en) * | 2010-06-30 | 2012-01-11 | 魏道全 | High-temperature Vickers hardness meter |
| CN204116163U (en) * | 2014-09-29 | 2015-01-21 | 重庆市智翔铺道技术工程有限公司 | Casting type asphaltic mixture hardness tester |
| CN105865957A (en) * | 2016-03-24 | 2016-08-17 | 北京盛广拓公路科技有限公司 | Testing method for cold-recycling indoor high-temperature stability |
| CN105891033A (en) * | 2016-06-02 | 2016-08-24 | 河北钢铁股份有限公司 | Durometer for measuring variable-temperature hardness of metal material |
| CN106198280A (en) * | 2016-06-28 | 2016-12-07 | 北京东方德兴科技有限公司 | High-temperature Vickers hardness meter |
| CN205826442U (en) * | 2016-06-28 | 2016-12-21 | 北京东方德兴科技有限公司 | High temperature Rockwell apparatus |
-
2017
- 2017-12-15 CN CN201711346563.6A patent/CN107907437B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010169559A (en) * | 2009-01-23 | 2010-08-05 | Ihi Corp | Specimen heating device of reciprocating abrasion testing device |
| CN102313678A (en) * | 2010-06-30 | 2012-01-11 | 魏道全 | High-temperature Vickers hardness meter |
| CN201965064U (en) * | 2011-01-07 | 2011-09-07 | 株洲迪远硬质合金工业炉有限公司 | High-temperature hardness gauge |
| CN204116163U (en) * | 2014-09-29 | 2015-01-21 | 重庆市智翔铺道技术工程有限公司 | Casting type asphaltic mixture hardness tester |
| CN105865957A (en) * | 2016-03-24 | 2016-08-17 | 北京盛广拓公路科技有限公司 | Testing method for cold-recycling indoor high-temperature stability |
| CN105891033A (en) * | 2016-06-02 | 2016-08-24 | 河北钢铁股份有限公司 | Durometer for measuring variable-temperature hardness of metal material |
| CN106198280A (en) * | 2016-06-28 | 2016-12-07 | 北京东方德兴科技有限公司 | High-temperature Vickers hardness meter |
| CN205826442U (en) * | 2016-06-28 | 2016-12-21 | 北京东方德兴科技有限公司 | High temperature Rockwell apparatus |
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| Publication number | Publication date |
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| CN107907437B (en) | 2020-09-25 |
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