CN112504896A - Corrosion and abrasion resistance test device for cylinder sleeve - Google Patents
Corrosion and abrasion resistance test device for cylinder sleeve Download PDFInfo
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- CN112504896A CN112504896A CN202110020158.5A CN202110020158A CN112504896A CN 112504896 A CN112504896 A CN 112504896A CN 202110020158 A CN202110020158 A CN 202110020158A CN 112504896 A CN112504896 A CN 112504896A
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- 238000005260 corrosion Methods 0.000 title claims abstract description 19
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 230000007797 corrosion Effects 0.000 title claims abstract description 13
- 238000005299 abrasion Methods 0.000 title description 6
- 239000002253 acid Substances 0.000 claims abstract description 26
- 238000007790 scraping Methods 0.000 claims abstract description 8
- 239000000919 ceramic Substances 0.000 claims abstract description 7
- 238000003860 storage Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 56
- 239000003085 diluting agent Substances 0.000 claims description 27
- 238000004448 titration Methods 0.000 claims description 26
- 238000005266 casting Methods 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 12
- -1 iron ions Chemical class 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000002572 peristaltic effect Effects 0.000 claims description 5
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000002835 absorbance Methods 0.000 claims description 3
- 239000012482 calibration solution Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
- 229910001448 ferrous ion Inorganic materials 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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
- G01N3/56—Investigating resistance to wear or abrasion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention relates to a cylinder jacket corrosion and wear resistance test device, which comprises a base, wherein a cylinder jacket clamp is arranged on the base, the cylinder jacket clamp is a three-jaw centering clamp, a reciprocating grinding head is arranged above the cylinder jacket clamp, the reciprocating grinding head comprises a rod body, the end part of the rod body is rotatably connected with a rotating seat, the rotating seat is provided with a central hole, the outer circumferential wall of the rotating seat is provided with a plurality of clamping grooves, and a grinding body is arranged in the clamping grooves in a sliding manner; the clamping groove is communicated with the through hole, a jacking column is arranged in the through hole, a jacking head is arranged on the jacking column, and the jacking head is in sliding fit with the grinding body through an inclined end face; the lower end of the jacking column is connected with a pressure spring; an acid liquor spray head is arranged between two adjacent clamping grooves and is connected with an acid liquor storage tank through an acid liquor pipe; the rotating seat is provided with a ceramic scraping ring along the upper part of the grinding body; the device can realize continuous dynamic monitoring of the corrosion and wear resistance of the cylinder sleeve, and can accurately evaluate the corrosion and wear resistance of the cylinder sleeve.
Description
Technical Field
The invention relates to a cylinder sleeve anti-corrosion wear test device and method, and belongs to the technical field of cylinder sleeve detection.
Background
The working environment of the cylinder sleeve is very severe, abrasion is inevitable in long-term work, and the cylinder sleeve is scrapped due to abrasion transition. After combustible gas mixture burns in the cylinder, can produce vapor and acid oxide (sulfur dioxide and sulfur trioxide), generate mineral acid, make the cylinder jacket work all the time in acid environment, produce the corrosive action to the cylinder jacket surface, the wearing and tearing effect of aggravation cylinder jacket. In the prior art, the surface nitriding treatment is carried out on the cylinder sleeve, namely, the corrosion and wear resistance of the cylinder sleeve is improved. Patent 201210583248.6 discloses a cylinder liner piston ring corrosive wear test device, but the proposal does not disclose a method for judging and evaluating the corrosion and wear resistance of a cylinder liner. In the prior art, a method for evaluating the abrasion condition of a friction pair by sampling lubricating oil and detecting the content of iron ions in the lubricating oil exists, and can be used for detecting the abrasion condition of a cylinder sleeve. However, the wear of the cylinder liner changes with time, and it is generally considered that the wear amount is large in the initial running-in stage and the wear amount decreases after completion of running-in. However, the running-in periods of different cylinder liners are greatly different, so that the difficulty that the sampling time cannot be accurately determined exists, and the corrosion and wear resistance of the cylinder liner cannot be accurately evaluated.
Disclosure of Invention
Aiming at the problems, the invention provides a cylinder sleeve anti-corrosion wear test device, which has the specific scheme that,
a cylinder sleeve corrosion and wear resistance test device comprises a base, wherein a cylinder sleeve clamp is arranged on the base, the cylinder sleeve clamp is a three-jaw centering clamp, a reciprocating grinding head is arranged above the cylinder sleeve clamp and comprises a rod body, the end part of the rod body is rotatably connected with a rotating seat, the rotating seat is provided with a central hole, the outer circumferential wall of the rotating seat is provided with a plurality of clamping grooves, and grinding bodies are arranged in the clamping grooves in a sliding manner; the clamping groove is communicated with the through hole, a jacking column is arranged in the through hole, a jacking head is arranged on the jacking column, and the jacking head is in sliding fit with the grinding body through an inclined end face; the lower end of the jacking column is connected with a pressure spring; an acid liquor spray head is arranged between two adjacent clamping grooves and is connected with an acid liquor storage tank through an acid liquor pipe; the rotating seat is provided with a ceramic scraping ring along the upper part of the grinding body;
a liquid collecting tank is arranged right below the cylinder sleeve clamp, an overflow pipe is arranged at the bottom of the liquid collecting tank and connected to a mixing tank, the mixing tank is provided with a diluent inlet, and the diluent inlet is connected with a diluent storage tank through a diluent pipe; the mixing tank is connected with a shunt pipe and a waste liquid pipe, the shunt pipe is sequentially connected with a plurality of burettes along the flow direction, a titration bottle is arranged below each burette, and calibration liquid is filled in the titration bottles;
buret is equipped with casting tube and casting tube along the direction of height, and top liquid pipe and below liquid pipe all are connected to the waste liquid pipe, and the below of casting tube is equipped with titrates the control valve, and shunt tubes, casting tube and waste liquid pipe all are equipped with the casting valve, titrate control valve and casting valve and are controlled by the timer.
Furthermore, the acid liquid pipe, the diluent pipe and the shunt pipe are all connected with a peristaltic pump.
Further, the calibration solution is 0.1g/ml phenanthroline solution.
Further, the acid solution is a dilute sulfuric acid solution with the concentration of not more than 10%.
Further, the diluent is 0.1g/ml hydroxylamine hydrochloride solution.
Further, the interval width of adjacent abrasive bodies in the circumferential direction is equal to the width of the abrasive body.
Further, the use method of the cylinder sleeve anti-corrosion wear test device comprises the following steps:
1) mounting a cylinder sleeve to be detected on a cylinder sleeve clamp, rotating a rotating seat once when a reciprocating grinding head moves once, wherein the rotating angle is equal to the width of a grinding body, continuously spraying acid liquid by a nozzle, and pushing grinding liquid on the inner wall of the cylinder sleeve downwards to enter a liquid collecting tank below when a ceramic scraping ring moves downwards;
2) grinding fluid collected by the overflow pipe enters the mixing tank, is dissolved and diluted in the mixing tank, and a part of the diluent enters the flow dividing pipe;
3) the titration control valves of all the burettes are closed, the lower liquid distributing pipe of the first burette is closed, and the lower liquid distributing pipes of the other burettes are opened;
4) after a set period, the shunt pipe is closed, the titration control valve of the first burette is opened, after the set period, the titration control valve of the first burette is closed, the liquid dropping pipe is opened, the lower liquid dropping pipe of the second burette is closed, and the shunt pipe is opened;
5) until the titration control valve of the last burette is closed; and judging the content of iron ions according to the absorbance of the solution in the titration bottle, and evaluating the corrosive wear condition of the cylinder sleeve to be detected in different time periods.
The device has the advantages that the device can realize continuous dynamic monitoring of the anti-corrosion wear performance of the cylinder sleeve, can accurately evaluate the anti-corrosion wear performance of the cylinder sleeve, is beneficial to the optimization of the preparation process of the cylinder sleeve and improves the product quality of the cylinder sleeve.
Drawings
FIG. 1 is a schematic view of a reciprocating polishing head according to the present invention;
FIG. 2 is a schematic view of the construction of a burette of the present invention;
figure 3 is a schematic cross-sectional view of a reciprocating polishing head of the present invention.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to specific examples.
Example 1
Referring to fig. 1-3, an apparatus for testing erosion and wear resistance of a cylinder liner comprises a base 1, a cylinder liner clamp 2 is arranged on the base 1, the cylinder liner clamp is a three-jaw centering clamp, a reciprocating grinding head is arranged above the cylinder liner clamp, the reciprocating grinding head comprises a rod body 3, the end of the rod body is rotatably connected with a rotating seat 4, the rotating seat is provided with a central hole, the outer circumferential wall of the rotating seat is provided with a plurality of clamping grooves, and a grinding body 5 is arranged in the clamping grooves in a sliding manner; the clamping groove is communicated with the through hole, a jacking column 6 is arranged in the through hole, a jacking head is arranged on the jacking column, and the jacking head is in sliding fit with the grinding body through an inclined end face; the lower end of the jacking column is connected with a pressure spring 7, and the tension degree of the pressure spring can be adjusted through a bolt so as to adjust the pressure between the grinding body and the inner wall of the cylinder sleeve; an acid liquor spray head 8 is arranged between two adjacent clamping grooves and is connected with an acid liquor storage tank through an acid liquor pipe; the rotating seat is provided with a ceramic scraping ring 9 along the upper part of the grinding body;
be equipped with the collecting tank 10 under the cylinder jacket anchor clamps, the bottom of collecting tank is equipped with overflow pipe 11, and the overflow pipe is connected to blending tank 12, and blending tank 12 is equipped with agitator and heater, the acid hydrolysis of iron granule with higher speed. The mixing tank is provided with a diluent inlet which is connected with a diluent storage tank through a diluent pipe 13; the mixing tank is connected with a shunt tube 14 and a waste liquid tube 15, the shunt tube is sequentially connected with a plurality of burettes 16 along the flow direction, a titration bottle 17 is arranged below each burette, and calibration liquid is filled in the titration bottles;
the buret is equipped with casting 18 and casting 19 along the direction of height, and top liquid pipe and below liquid pipe all are connected to the waste liquid pipe, and the below of casting is equipped with titration control valve 20, and shunt tubes, casting and waste liquid pipe all are equipped with casting valve 21, and titration control valve and casting valve are controlled by the timer.
The scheme mainly tests the corrosion and wear resistance of the cylinder sleeve, so that the grinding body can adopt acid-resistant and wear-resistant chromium-plated steel, and the corrosion and wear of the grinding body are avoided as much as possible. Each pipeline in this scheme all adopts acidproof glass pipe.
The acid liquid pipe, the diluent pipe and the shunt pipe are all connected with a peristaltic pump. The peristaltic pump can accurately control the flow, ensure the liquid flow to be uniform and continuous, and avoid the change of the concentration of the iron ions caused by the fluctuation of the liquid flow along with the time as much as possible. Only when the corrosive wear amount of the cylinder sleeve changes, the concentration of iron ions entering the shunt pipe can change.
The calibration solution is 0.1g/ml phenanthroline solution. The o-phenanthroline can generate an orange-red stable complex when meeting ferrous ions, and is a common iron content detection reagent in the prior art.
The acid solution is a dilute sulfuric acid solution with the concentration of not more than 10 percent. The concentration of the dilute sulfuric acid solution can simulate the pH value of the cylinder sleeve during actual operation.
The diluted solution is 0.1g/ml hydroxylamine hydrochloride solution. The diluent has the functions of diluting the concentration of the iron ion content in the mixed solution and improving the stability of ferrous ions.
The interval width of the adjacent grinding bodies along the circumferential direction is equal to the width of the grinding body. When the rotating angle of the rotating seat is equal to the interval width of the grinding body, the switching between the grinding part and the acid liquor spraying part is just realized.
The use method of the cylinder sleeve anti-corrosion wear test device comprises the following steps:
1) the cylinder sleeve 22 to be detected is arranged on the cylinder sleeve clamp 2, the reciprocating grinding head moves up and down, the rotating seat 4 rotates once every time the reciprocating grinding head moves back and forth, the rotating angle is equal to the width of the grinding body, and the rotating seat also rotates in a reciprocating mode. Continuously spraying acid liquor on the rotating nozzle of the grinding head, and pushing and scraping the grinding liquor on the inner wall of the cylinder sleeve downwards when the ceramic scraping ring 9 moves downwards to enter a liquid collecting tank 10 below;
2) grinding fluid collected by the overflow pipe enters the mixing tank 12, is dissolved and diluted in the mixing tank, a part of the diluent enters the flow dividing pipe, and the waste liquid pipe is closed when the flow dividing pipe is opened;
3) in the initial state, the titration control valves of all the burettes are closed, the lower liquid distribution pipe of the first burette is closed, and the lower liquid distribution pipes of the other burettes are opened;
4) after a set period, the shunt pipe is closed, the waste liquid pipe is opened while the shunt pipe is closed, the titration control valve of the first burette is opened, the diluent in the first burette is dripped into the titration bottle below, and when the diluent contains ferrous ions, the diluent reacts with the calibration liquid to develop color. After a set period, closing the titration control valve of the first burette to finish titration, and opening the liquid discharging pipe; closing a lower liquid dividing pipe of the second burette, opening the liquid dividing pipe, and allowing the diluent to enter the second burette;
5) until the titration control valve of the last burette is closed; and judging the content of iron ions according to the absorbance of the solution in the titration bottle, and evaluating the corrosive wear condition of the cylinder sleeve to be detected in different time periods.
The set period of the timer can be selected to be 10-20 min, and each burette sequentially stores the diluent in different time periods according to the flow direction, so that the iron ion content in the diluent in different time periods can be detected, and data after the iron ion content is stable can be selected as a reference value for evaluating the corrosion and wear resistance of the cylinder sleeve. The waste liquid pipe can set up the flow valve, and the flow setting of flow valve can avoid mixing the next settlement cycle with the liquid evacuation of depositing in can guaranteeing one settlement cycle. The peristaltic pump of the shunt pipe can be set to work after the shunt pipe is opened and delayed for several minutes, and the mixing tank can fully dissolve iron particles in the diluent in a delayed time period. The titration amount of the burette is determined by the height between the upper liquid separating pipe and the lower liquid separating pipe, so that the height between the upper liquid separating pipe and the lower liquid separating pipe of each burette is equal.
Claims (7)
1. The utility model provides a corrosion and wear resistance test device of cylinder jacket which characterized in that: the grinding head comprises a rod body, wherein the end part of the rod body is rotatably connected with a rotating seat, the rotating seat is provided with a central hole, the outer circumferential wall of the rotating seat is provided with a plurality of clamping grooves, and a grinding body is arranged in the clamping grooves in a sliding manner; the clamping groove is communicated with the through hole, a jacking column is arranged in the through hole, a jacking head is arranged on the jacking column, and the jacking head is in sliding fit with the grinding body through an inclined end face; the lower end of the jacking column is connected with a pressure spring; an acid liquor spray head is arranged between two adjacent clamping grooves and is connected with an acid liquor storage tank through an acid liquor pipe; the rotating seat is provided with a ceramic scraping ring along the upper part of the grinding body;
a liquid collecting tank is arranged right below the cylinder sleeve clamp, an overflow pipe is arranged at the bottom of the liquid collecting tank and connected to a mixing tank, the mixing tank is provided with a diluent inlet, and the diluent inlet is connected with a diluent storage tank through a diluent pipe; the mixing tank is connected with a shunt pipe and a waste liquid pipe, the shunt pipe is sequentially connected with a plurality of burettes along the flow direction, a titration bottle is arranged below each burette, and calibration liquid is filled in the titration bottles;
buret is equipped with casting tube and casting tube along the direction of height, and top liquid pipe and below liquid pipe all are connected to the waste liquid pipe, and the below of casting tube is equipped with titrates the control valve, and shunt tubes, casting tube and waste liquid pipe all are equipped with the casting valve, titrate control valve and casting valve and are controlled by the timer.
2. The cylinder liner anti-corrosive wear test device of claim 1, characterized in that: the acid liquid pipe, the diluent pipe and the shunt pipe are all connected with peristaltic pumps.
3. The cylinder liner anti-corrosive wear test device of claim 1, characterized in that: the calibration solution is 0.1g/ml phenanthroline solution.
4. The cylinder liner anti-corrosive wear test device of claim 1, characterized in that: the acid solution is a dilute sulfuric acid solution with the concentration of not more than 10%.
5. The cylinder liner anti-corrosive wear test device of claim 1, characterized in that: the diluent is 0.1g/ml hydroxylamine hydrochloride solution.
6. The cylinder liner anti-corrosive wear test device of claim 1, characterized in that: the interval width of the adjacent grinding bodies along the circumferential direction is equal to the width of the grinding body.
7. The cylinder liner anti-corrosive wear test device according to claim 1, characterized in that the using method comprises the following steps:
1) mounting a cylinder sleeve to be detected on a cylinder sleeve clamp, rotating a rotating seat once when a reciprocating grinding head moves once, wherein the rotating angle is equal to the width of a grinding body, continuously spraying acid liquid by a nozzle, and pushing grinding liquid on the inner wall of the cylinder sleeve downwards to enter a liquid collecting tank below when a ceramic scraping ring moves downwards;
2) grinding fluid collected by the overflow pipe enters the mixing tank, is dissolved and diluted in the mixing tank, and a part of the diluent enters the flow dividing pipe;
3) the titration control valves of all the burettes are closed, the lower liquid distributing pipe of the first burette is closed, and the lower liquid distributing pipes of the other burettes are opened;
4) after a set period, the shunt pipe is closed, the titration control valve of the first burette is opened, after the set period, the titration control valve of the first burette is closed, the liquid dropping pipe is opened, the lower liquid dropping pipe of the second burette is closed, and the shunt pipe is opened;
5) until the titration control valve of the last burette is closed; and judging the content of iron ions according to the absorbance of the solution in the titration bottle, and evaluating the corrosive wear condition of the cylinder sleeve to be detected in different time periods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110020158.5A CN112504896A (en) | 2021-01-07 | 2021-01-07 | Corrosion and abrasion resistance test device for cylinder sleeve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110020158.5A CN112504896A (en) | 2021-01-07 | 2021-01-07 | Corrosion and abrasion resistance test device for cylinder sleeve |
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| CN112504896A true CN112504896A (en) | 2021-03-16 |
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| CN202110020158.5A Pending CN112504896A (en) | 2021-01-07 | 2021-01-07 | Corrosion and abrasion resistance test device for cylinder sleeve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117347252A (en) * | 2023-10-09 | 2024-01-05 | 中交三航(南通)海洋工程有限公司 | Corrosion-resistant degradation test device for shield tunnel segment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281531A (en) * | 1998-03-26 | 1999-10-15 | Nippon Soken Inc | Apparatus for analyzing abrasion amount of internal combustion engine |
| CN103076248A (en) * | 2012-12-28 | 2013-05-01 | 潍柴动力股份有限公司 | Corrosive abrasion testing device for cylinder sleeve piston ring |
| CN107782637A (en) * | 2017-12-05 | 2018-03-09 | 广西玉柴机器股份有限公司 | Engine cylinder hole Wearing Simulated Test device |
-
2021
- 2021-01-07 CN CN202110020158.5A patent/CN112504896A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281531A (en) * | 1998-03-26 | 1999-10-15 | Nippon Soken Inc | Apparatus for analyzing abrasion amount of internal combustion engine |
| CN103076248A (en) * | 2012-12-28 | 2013-05-01 | 潍柴动力股份有限公司 | Corrosive abrasion testing device for cylinder sleeve piston ring |
| CN107782637A (en) * | 2017-12-05 | 2018-03-09 | 广西玉柴机器股份有限公司 | Engine cylinder hole Wearing Simulated Test device |
Non-Patent Citations (1)
| Title |
|---|
| 贺大松;刘存平;: "发动机气缸腐蚀磨损及其交互作用研究", 汽车零部件, no. 06, 28 June 2010 (2010-06-28) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117347252A (en) * | 2023-10-09 | 2024-01-05 | 中交三航(南通)海洋工程有限公司 | Corrosion-resistant degradation test device for shield tunnel segment |
| CN117347252B (en) * | 2023-10-09 | 2024-05-14 | 中交三航(南通)海洋工程有限公司 | Corrosion-resistant degradation test device for shield tunnel segment |
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