CN202795080U - Engine cooling liquid vibration resistance cavitation erosion test temperature control device - Google Patents
Engine cooling liquid vibration resistance cavitation erosion test temperature control device Download PDFInfo
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- CN202795080U CN202795080U CN 201220393612 CN201220393612U CN202795080U CN 202795080 U CN202795080 U CN 202795080U CN 201220393612 CN201220393612 CN 201220393612 CN 201220393612 U CN201220393612 U CN 201220393612U CN 202795080 U CN202795080 U CN 202795080U
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Abstract
The utility model relates to an engine cooling liquid vibration resistance cavitation erosion test temperature control device comprising a beaker provided with a circulating water jacket, a temperature control water bath(or oil bath), a circulating water pump, and a connecting flexible pipe. The beaker provided with the circulating water jacket is disposed in a sound insulation box of a cavitation erosion vibration instrument, and the temperature control water bath(or oil bath) is disposed on an outer side of the sound insulation box, in addition, the beaker and the temperature control water bath(or oil bath) are communicated with each other by the flexible pipe, and the circulating water pump can be used to drive the circulation flow of the liquid medium. By using the temperature device, the problem of controlling the temperature of the testing solution in the engine cooling liquid vibration resistance cavitation erosion test can be solved, more importantly, the temperature control of the testing solution in the sound insulation box can be realized, therefore the influence of the ultrasonic vibration noise on operators can be prevented. The device provided in the utility model has advantages of simplicity, practicability, simple operation, and convenient use.
Description
Technical field
The utility model relates to a kind of temperature control equipment for the test of engine coolant anti-vibrating cavitation.
Background technology
Cavitation pitting refers to diesel cylinder liner outside surface (particularly piston major thrust face one side) or be broken to a lot of needle-like holes at water inlet and current turning in the connecting rod swing plane, the hole cleaning surfaces, the deposition that does not have corrosion product, these holes enlarge gradually, deepen, and cylinder sleeve is penetrated.The cylinder jacket dither is the basic reason that produces cavitation pitting in the diesel engine running.
The harm that causes in order to alleviate Cylinder Liner Cavitation Erosion of Diesel Engines not only will be selected at metal material, the Machine Design manufacturing carries out scientific and reasonable optimization, and selecting of engine coolant is most important equally.For the diesel engine of typing, the quality of the anti-cavitation pitting performance of liquid coolant is directly connected to the serviceable life of machine in its cooling system.In order to study liquid coolant within a short period of time to the protective capacities of cylinder liner cavitation, the researchist has set up the method for strengthening cavitation pitting according to the ASTM G32 of ASTM standard " Standard Test Method for Cavitation Erosion Using Vibratory Apparatus " or standard GB/T/T 6383 " vibratory cavitation test method ", namely test specimen is applied dither and simulate Cylinder Liner Cavitation Erosion of Diesel Engines, simulation test is to finish at ultrasonic vibration cavitation pitting test unit.Basic functional principle is: signal generator produces the electric signal that frequency is about 20kHz, by the ultrasonic generator electromagnetic conversion, make the mechanical vibration of transducer generation same frequency, pass through again the amplification of ultrasonic transformer, obtain enough large mechanical vibration amplitude in the work end.Test specimen is equipped with on the top, so just produced the vibration that can simulate diesel cylinder sleeve on test specimen.By the degree of liquid coolant to the protection of metal specimen cavitation corrosion, the quality of reflection liquid coolant performance.
The working temperature of liquid coolant and cavitation pitting degree close association, but the control of the temperature of present ultrasonic vibration cavitation pitting instrument all is defective.In order to reduce the heat of ultrasonic transformer generation of vibration, keep the temperature of testing liquid in the test beaker, usually have recirculated cooling water in the outside of testing liquid beaker, but this mode can not add gentle temperature control to testing liquid; And in order to heat, have the researcher that electric heater has been installed in the bottom of beaker, solved the problem that heats up, but helpless for the control of the following testing liquid temperature of room temperature; There is the researcher to adopt ultrasonic vibration cavitation pitting instrument is put the top of being fixed in the temperature controlled water bath groove, the mode that two instruments are incorporated into has together solved temperature controlled problem, but this mode at first is to use inconvenient operation, next is that temperature controlled water bath groove after integrating is excessive, can not place the inside of the soundproof box of ultrasonic vibration cavitation pitting instrument, to operating personnel's hearing injury.
Summary of the invention
For defective and the deficiency that prior art exists, the purpose of this utility model is to solve the difficult problem that the test solution temperature is accurately controlled in the test of engine coolant anti-vibrating cavitation, and a kind of simple and feasible temperature control equipment is provided.
For achieving the above object, the utility model is by the following technical solutions: a kind of attemperating unit for the test of engine coolant anti-vibrating cavitation, comprise beaker, temperature controlled water bath (or oil bath), water circulating pump and connecting hose with the recirculated water chuck, it is characterized in that: the beaker with the recirculated water chuck is placed in the soundproof box of vibration cavitation pitting instrument, temperature controlled water bath is placed on the outside of soundproof box, passes through flexible pipe UNICOM between the two.Connecting hose comprises water inlet pipe and rising pipe, and water inlet pipe and rising pipe connect respectively water inlet and the water delivering orifice of chuck beaker, and water inlet pipe and rising pipe be the power lead mouth turnover soundproof box by the soundproof box top all.Water circulating pump is connected in the liquid medium circulation line that forms between the recirculated water chuck of temperature controlled water bath (or oil bath) and beaker.Water circulating pump one end connects water inlet pipe, and the other end connects the outlet end of temperature controlled water bath (or oil bath), realizes that take water circulating pump as power the sealing and circulating of liquid medium flows.
Engine coolant anti-vibrating cavitation test attemperating unit of the present utility model in use, testing liquid is placed in the described beaker with the recirculated water chuck, the temperature sensor that connects temperature controlled water bath (or oil bath) stretches in the testing liquid, and metal coupons is immersed solution certain depth to be measured.Regulate temperature controlled water bath (or oil bath), by water pump so that the liquid medium in the liquid medium in the temperature controlled water bath and the beaker chuck forms sealing and circulating flows, and then the temperature of testing liquid in the control beaker, described temperature sensor passes to attemperating unit with the temperature signal that records, and starts ultrasonic vibration cavitation pitting instrument and tests.
When the temperature that needs Control experiment solution is on room temperature, start the heating unit of temperature controlled water bath, the liquid medium in the heated for controlling temperature water-bath, the liquid medium after the heating arrives the beaker clamp cover by circulation, testing liquid in the heating jacket, the scope of heating-up temperature are room temperature～200 ℃.
When the temperature that needs Control experiment solution is under room temperature, start the refrigeration unit of temperature controlled water bath, reduce the liquid medium temperature in the temperature controlled water bath, the liquid medium after the cooling arrives the beaker clamp cover by circulation, testing liquid in the cooling jacket, the scope of cryogenic temperature is-70 ℃～room temperature.
The utility model engine coolant anti-vibrating cavitation test attemperating unit can according to the needs of temperature control scope, be changed the liquid medium in the temperature controlled water bath (or oil bath) in use at any time.
Good effect of the present utility model is: engine coolant anti-vibrating cavitation test attemperating unit in use, connect the flexible pipe of temperature controlled water bath and chuck beaker by the power lead mouth turnover at soundproof box top, do not need extra using in soundproof box increase connecting hose to import and export, beaker places the inside of soundproof box, temperature controlled water bath then is placed on the outside of soundproof box, both be conducive to the flexible use of package unit, do not affected again the performance of soundproof box function.This attemperating unit has solved the temperature controlled difficult problem of testing liquid, the more important thing is the temperature control that has realized testing liquid in soundproof box, has avoided the impact of ultrasonic vibration noise on operator ' s health.Have simple and practical characteristics, simple to operate, easy to use.
Description of drawings
Fig. 1 engine coolant ultrasonic vibration cavitation pitting test attemperating unit synoptic diagram.
Embodiment
With reference to accompanying drawing 1, engine coolant anti-vibrating cavitation test attemperating unit of the present utility model comprises beaker 1, temperature controlled water bath (or oil bath) 2, water circulating pump 3 and the connecting hose 4 with the recirculated water chuck.Be placed on soundproof box 5 bottoms of vibration cavitation pitting instrument with the beaker 1 of recirculated water chuck, temperature controlled water bath is placed on the outside of soundproof box 5, pass through flexible pipe 4 UNICOMs between the two, connecting hose comprises water inlet pipe and rising pipe, water inlet pipe and rising pipe connect respectively water inlet and the water delivering orifice of chuck beaker, and water inlet pipe and rising pipe be the power lead mouth turnover soundproof box by the soundproof box top all.Water circulating pump 3 one ends connect water inlet pipe, and the other end connects the outlet end of temperature controlled water bath (or oil bath), realize circulating of liquid medium 6 take water circulating pump 3 as power.
Testing liquid 7 is placed in the described beaker 1 with the recirculated water chuck, and temperature sensor 8 stretches in the testing liquid 7, and metal coupons 9 is immersed the testing liquid certain depth.Regulate temperature controlled water bath (or oil bath) 2, by water pump 3 so that the liquid medium 6 in the temperature controlled water bath (or oil bath) and the liquid medium in the beaker chuck 6 forms sealing and circulating flows, and then the temperature of testing liquid 7 in the control beaker, described temperature sensor 8 passes to attemperating unit with the temperature signal that records, and starts ultrasonic vibration cavitation pitting instrument and tests.
When the temperature that needs Control experiment solution 7 is on room temperature, start the heating unit 10 of temperature controlled water bath 2, the liquid medium 6 in the heated for controlling temperature water-bath, the liquid medium 6 after the heating arrives the beaker clamp cover by circulation, the testing liquid 7 in the heating beaker.
When the temperature that needs Control experiment solution 7 is under room temperature, start the refrigeration unit 11 of temperature controlled water bath 2, reduce the temperature of the liquid medium 6 in the temperature controlled water bath, the liquid medium 6 after the cooling arrives the beaker clamp cover by circulation, the testing liquid 7 in the cooling beaker.
In above-mentioned engine coolant anti-vibrating cavitation test attemperating unit, connect the flexible pipe 4 of temperature controlled water bath 2 and chuck beaker 1 by power lead mouth 12 turnover at soundproof box 5 tops, do not need extra importing and exporting in soundproof box 5 increase connecting hoses 4 usefulness, beaker 1 places the bottom of soundproof box 5, temperature controlled water bath 2 then is placed on the outside of soundproof box 5, both be conducive to the flexible use of package unit, do not affected again the performance of soundproof box 5 functions.
Claims (10)
1. an attemperating unit that is used for the test of engine coolant anti-vibrating cavitation is characterized in that comprising: with beaker, temperature controlled water bath or oil bath, water circulating pump and the connecting hose of recirculated water chuck.
2. the attemperating unit of anti-vibrating cavitation according to claim 1 test, it is characterized in that: the beaker with the recirculated water chuck is comprised of inside and outside two-layer wall, is provided with a water inlet and a water delivering orifice on the outer wall.
3. the attemperating unit of anti-vibrating cavitation according to claim 1 test, it is characterized in that: the beaker internal layer wall with the recirculated water chuck is used for bearing test solution.
4. the attemperating unit of anti-vibrating cavitation according to claim 1 test, it is characterized in that: the inside that is placed on liquid coolant anti-vibrating cavitation instrument soundproof box with the beaker of recirculated water chuck, temperature controlled water bath or oil bath are placed on the soundproof box outside, pass through connecting hose UNICOM between the two.
5. the attemperating unit of anti-vibrating cavitation according to claim 1 test, it is characterized in that: temperature controlled water bath or oil bath comprise heating unit and refrigeration unit.
6. the attemperating unit of anti-vibrating cavitation according to claim 1 test is characterized in that: the scope of the heating-up temperature of temperature controlled water bath or oil bath is room temperature～200 ℃, and the scope of cryogenic temperature is-70 ℃～room temperature.
7. the attemperating unit of anti-vibrating cavitation according to claim 1 test, it is characterized in that: the temperature sensor that connects temperature controlled water bath or oil bath stretches in the testing liquid.
8. the attemperating unit of anti-vibrating cavitation according to claim 1 test, it is characterized in that: temperature controlled water bath or oil bath can according to the needs of temperature control scope, be changed liquid medium wherein at any time.
9. the attemperating unit of anti-vibrating cavitation according to claim 4 test, it is characterized in that: connecting hose comprises water inlet pipe and rising pipe, water inlet pipe and rising pipe connect respectively water inlet and the water delivering orifice of chuck beaker, and water inlet pipe and rising pipe be the power lead mouth turnover soundproof box by the soundproof box top all.
10. the attemperating unit of anti-vibrating cavitation according to claim 1 test, it is characterized in that: water circulating pump is connected in the liquid medium circulation line that forms between the recirculated water chuck of temperature controlled water bath or oil bath and beaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393612 CN202795080U (en) | 2012-08-10 | 2012-08-10 | Engine cooling liquid vibration resistance cavitation erosion test temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393612 CN202795080U (en) | 2012-08-10 | 2012-08-10 | Engine cooling liquid vibration resistance cavitation erosion test temperature control device |
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| Publication Number | Publication Date |
|---|---|
| CN202795080U true CN202795080U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220393612 Expired - Fee Related CN202795080U (en) | 2012-08-10 | 2012-08-10 | Engine cooling liquid vibration resistance cavitation erosion test temperature control device |
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| CN (1) | CN202795080U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699086A (en) * | 2016-03-09 | 2016-06-22 | 广西玉柴机器股份有限公司 | Reproduction and verification method for cavitation fault on surface of cylinder liner |
| CN112577919A (en) * | 2020-12-07 | 2021-03-30 | 武汉大学 | Method and device for quantitatively measuring cavitation intensity in clear water or sandy water |
| CN113607607A (en) * | 2021-08-31 | 2021-11-05 | 中山大学 | Method for simultaneously determining solubility of solid in different solvents |
-
2012
- 2012-08-10 CN CN 201220393612 patent/CN202795080U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699086A (en) * | 2016-03-09 | 2016-06-22 | 广西玉柴机器股份有限公司 | Reproduction and verification method for cavitation fault on surface of cylinder liner |
| CN112577919A (en) * | 2020-12-07 | 2021-03-30 | 武汉大学 | Method and device for quantitatively measuring cavitation intensity in clear water or sandy water |
| CN112577919B (en) * | 2020-12-07 | 2022-05-13 | 武汉大学 | Method and device for quantitatively measuring cavitation intensity in clear water or sandy water |
| CN113607607A (en) * | 2021-08-31 | 2021-11-05 | 中山大学 | Method for simultaneously determining solubility of solid in different solvents |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130810 |