CN204085724U - Be applied to the auxiliary mould of cylinder cap thermocouple temperature measurement - Google Patents
Be applied to the auxiliary mould of cylinder cap thermocouple temperature measurement Download PDFInfo
- Publication number
- CN204085724U CN204085724U CN201420606300.XU CN201420606300U CN204085724U CN 204085724 U CN204085724 U CN 204085724U CN 201420606300 U CN201420606300 U CN 201420606300U CN 204085724 U CN204085724 U CN 204085724U
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- China
- Prior art keywords
- swivel nut
- cylinder cap
- auxiliary mould
- temperature measurement
- thermocouple temperature
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Abstract
The utility model discloses a kind of auxiliary mould being applied to cylinder cap thermocouple temperature measurement, this cylinder cap has threaded hole, the water jacket side of the through cylinder head plate of this threaded hole and combustion chamber side, this auxiliary mould is swivel nut, swivel nut coordinates with the threaded hole on cylinder cap, and the inside of swivel nut is provided with the blind hole of installing thermopair, during thermometric, the openend of swivel nut is towards the water jacket side of cylinder head plate, and the blind end of swivel nut is towards the combustion chamber side of cylinder head plate.Utilize this frock can obtain real time temperature data, the installation of thermopair is scientific and reasonable, improves the confidence level of test figure.
Description
Technical field
The utility model relates to the field tests of engine, particularly a kind of auxiliary mould being applied to cylinder cap thermocouple temperature measurement.
Background technology
The cylinder cap temperature of engine weighs the very important scale of measurement of of its duty, when measuring cylinder cap temperature, the temperature of the position of respective combustion chamber on main measurement cylinder head plate, and the temperature usually measuring cylinder head plate has two schemes, one measures (hardness plug method) with hardness plug, and another kind adopts thermocouple temperature sensor to measure (thermocouple thermometry).Hardness plug method mainly stamps the very little blind hole of several diameters on cylinder head plate, then tapping, by hardness plug precession threaded hole.To be testedly to complete, then cylinder cap is pulled down, take out hardness plug, then hardness measurement is carried out to it, by having corresponding relation between the hardness of this hardness plug and temperature thus obtaining temperature results.Thermocouple thermometry is normally direct gets through cylinder head plate, thermopair is placed in hole, it goes between via cylinder cover water jacket by the outlet of bowl-type plug water blocking, and the sealing of gauge head end is embedded on cylinder head plate by the method for welding, and water jacket side then seals with metal-to-metal adhesive.The method can obtain real-time temperature data, and measuring point can arrange multiple spot, can show in real time the temperature of whole process of the test.
But, existing hardness plug method and the equal Shortcomings of thermocouple thermometry: hardness plug method is very long to the cycle finally obtaining temperature data from on-test, and also can only record this single result of maximal value of temperature in engine operation process, during practical operation, hardness plug, owing to being subject to the thermal shock of cylinder periodically, easily comes off, and serious meeting causes the baneful influences such as scuffing of cylinder bore, also there is the situation of not tearing open not get off simultaneously, operate very inconvenient.And also there is risk in the installation method of thermocouple temperature measurement, because thermopair seals by welding near combustion chamber side, owing to belonging to spot welding, local welding, when engine speed is high time, probably this weak link washed open, cause final data measured too high, what be equivalent to directly to record is the temperature of burning gases.Equally near water jacket end, when the rotating speed of engine is low time, also can be coated with uneven because of metal-to-metal adhesive, not tight, cause water to be seeped in hole, cause the temperature of the intimate water recorded, thus there will be the situation that temperature is on the low side.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Utility model content
The purpose of this utility model is to provide a kind of auxiliary mould being applied to cylinder cap thermocouple temperature measurement, utilize this frock to carry out thermometric, the test period reduces greatly, and can obtain real time temperature data, the installation of thermopair is scientific and reasonable, improves the confidence level of test figure.
For achieving the above object, the utility model provides a kind of auxiliary mould being applied to cylinder cap thermocouple temperature measurement, this cylinder cap has threaded hole, the water jacket side of the through cylinder head plate of this threaded hole and combustion chamber side, this auxiliary mould is swivel nut, and swivel nut coordinates with the threaded hole on cylinder cap, the inside of swivel nut is provided with the blind hole of installing thermopair, during thermometric, the openend of swivel nut is towards the water jacket side of cylinder head plate, and the blind end of swivel nut is towards the combustion chamber side of cylinder head plate.
Preferably, the openend of swivel nut is the ladder thread segment of retracting;
Auxiliary mould also comprises swivel nut lid, and one end of swivel nut lid has the threaded hole coordinated with ladder thread segment, and the other end of swivel nut lid has the through hole through with blind hole, and through hole is used for thermopair to draw outside swivel nut lid.
Preferably, sealing gasket is provided with between the front end of ladder thread segment and the bottom of threaded hole.
Preferably, the end face of the blind end of swivel nut is provided with dismounting groove.
Preferably, the end face of the blind end of swivel nut is provided with dismounting projection.
Preferably, the end face of the blind end of swivel nut is provided with interior corner apertures.
Compared with prior art, the utility model has following beneficial effect:
1. by design swivel nut, be placed on by thermopair in swivel nut, for the protection of thermopair, avoiding high-pressure combustion gas, to be washed open what cause recording be the temperature of gas, can ensure the accuracy of thermometric;
2. adopt the mode of similar bottle cap to carry out sealing (swivel nut lid), can ensure that the gauge head of thermopair does not contact with water, ensure that water do not infiltrate that thermocouple probe place causes what record is water temperature, in order to avoid what measure is water temperature, improve the confidence level of test figure;
3. this frock can be dismantled, and improves the utilization factor of sensor, reduces experimentation cost.
Accompanying drawing explanation
Fig. 1 is according to the use schematic diagram being applied to a kind of auxiliary mould of cylinder cap thermocouple temperature measurement of the present utility model;
Fig. 2 is according to the front view being applied to swivel nut in the auxiliary mould of cylinder cap thermocouple temperature measurement of the present utility model;
Fig. 3 is according to the vertical view being applied to swivel nut in the auxiliary mould of cylinder cap thermocouple temperature measurement of the present utility model;
Fig. 4 is according to the upward view being applied to swivel nut in the auxiliary mould of cylinder cap thermocouple temperature measurement of the present utility model;
Fig. 5 is according to the structural representation being applied to swivel nut lid in the auxiliary mould of cylinder cap thermocouple temperature measurement of the present utility model;
Fig. 6 is according to the use schematic diagram being applied to the another kind of auxiliary mould of cylinder cap thermocouple temperature measurement of the present utility model;
Fig. 7 is according to the flat recess disassembly and assembly structure schematic diagram being applied to the auxiliary mould of cylinder cap thermocouple temperature measurement of the present utility model;
Fig. 8 is according to the cross recess disassembly and assembly structure schematic diagram being applied to the auxiliary mould of cylinder cap thermocouple temperature measurement of the present utility model;
Fig. 9 is according to the protruding disassembly and assembly structure schematic diagram of a word being applied to the auxiliary mould of cylinder cap thermocouple temperature measurement of the present utility model.
Main Reference Numerals illustrates:
1-cylinder cap, 11-combustion chamber side, 12-water jacket side, 2-swivel nut, 21-blind hole, 22-ladder thread segment, 3-swivel nut lid, 31-threaded hole, 4-sealing gasket, 5-thermopair.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole instructions and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or ingredient, and do not get rid of other element or other ingredient.
As shown in Figures 1 to 5, according to a kind of auxiliary mould being applied to cylinder cap thermocouple temperature measurement of the utility model embodiment, this cylinder cap 1 has threaded hole (unmarked in figure), the water jacket side 12 of the through cylinder head plate of this threaded hole and combustion chamber side 11, this auxiliary mould is swivel nut 2, swivel nut 2 coordinates with the threaded hole on cylinder cap, the inside of swivel nut 2 is provided with the blind hole 21 (see Fig. 2) of installing thermopair 5, during thermometric, the openend of swivel nut 2 is towards the water jacket side 12 of cylinder head plate, and the blind end of swivel nut 2 is towards the combustion chamber side 11 of cylinder head plate.
As a kind of preferred embodiment, this auxiliary mould comprises above-mentioned swivel nut 2 and swivel nut lid 3, the two with the use of, now, the openend of swivel nut 2 is the ladder thread segment 22 (see Fig. 2) of retracting, one end of swivel nut lid 3 has the threaded hole 31 coordinated with ladder thread segment 22, the other end of swivel nut lid 3 has the through hole 32 (see Fig. 5) through with blind hole 21, through hole 32 is used for thermopair 5 being drawn swivel nut lid 3 outer (see Fig. 1), the Main Function of swivel nut lid 3 ensures that water does not contact with the gauge head of thermopair 5, in order to avoid what measure is water temperature, in the present embodiment, sealing gasket 4 is provided with between the front end of ladder thread segment 22 and the bottom of threaded hole 31, sealing gasket 4 can select rubber to make.
In use, first thermopair 5 is run through swivel nut lid 3 and sealing gasket 4 successively, and in swivel nut lid 3, smear a small amount of low-intensity fluid sealant, then swivel nut lid 3 is screwed in the ladder thread segment 22 of swivel nut 2, again the probe part of thermopair 5 is inserted in the blind hole 21 of swivel nut 2, after assembling thermopair 5, one deck low-intensity fluid sealant is smeared uniformly at the outside surface of swivel nut lid 3, finally whole frock is screwed in cylinder cap from the combustion chamber side 11 of cylinder head plate, to be on the safe side, smear a small amount of low-intensity glue at swivel nut 2 with the coplanar place of cylinder head plate to seal, now, the test of cylinder cap thermometric can be carried out.
As shown in Figure 6, as another kind of embodiment, saved by swivel nut lid 3, the openend simultaneously extending swivel nut forms new swivel nut 2a, now, directly adds fluid sealant seal in one end of water jacket side 12, equally can thermometric test.
In order to swivel nut 2 being conveniently screwed in the threaded hole of cylinder cap 1, being provided with interior corner apertures 23 (see Fig. 3) at the end face of the blind end of swivel nut 2, being generally designed to inner hexagonal hole dismounting hole, be applicable to using general instrument dismounting.Certainly, internal corner apertures 23 can carry out the conversion of other modes, as shown in Fig. 7 to 8, provides flat recess 23a, cross recess 23b in the present embodiment, or the protruding 23c of a word.
In a word, by design swivel nut in the present embodiment, thermopair is placed in swivel nut, for the protection of thermopair, the accuracy of thermometric can be ensured.In addition, adopt the mode of similar bottle cap to carry out sealing (swivel nut lid), can ensure that the gauge head of thermopair does not contact with water, in order to avoid what measure is water temperature, this frock is adapted at all adopting the mode adding glue to seal near firing chamber with near water jacket side simultaneously, measurement result science, rationally.Compared with hardness plug method, greatly reduce the test period, and temperature data can be obtained in real time, avoid hardness plug simultaneously and come off and cause the catastrophic failure of scuffing of cylinder bore, reduce the risk of test.Compared with the installation method of existing thermopair; adopt swivel nut protection thermopair; it also avoid high-pressure combustion gas to be washed open what cause recording be the temperature of gas simultaneously, also ensure that water do not infiltrate that thermocouple probe place causes simultaneously what record is water temperature, improve the confidence level of test figure.This frock can be dismantled in addition, improves the utilization factor of sensor, reduces experimentation cost.
The aforementioned description to concrete exemplary of the present utility model is to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present utility model and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to limited by claims and equivalents thereof.
Claims (6)
1. one kind is applied to the auxiliary mould of cylinder cap thermocouple temperature measurement, this cylinder cap has threaded hole, the water jacket side of the through cylinder head plate of this threaded hole and combustion chamber side, it is characterized in that, this auxiliary mould is swivel nut, and described swivel nut coordinates with the threaded hole on described cylinder cap, the inside of described swivel nut is provided with the blind hole of installing thermopair, during thermometric, the openend of described swivel nut is towards the water jacket side of described cylinder head plate, and the blind end of described swivel nut is towards the combustion chamber side of described cylinder head plate.
2. the auxiliary mould being applied to cylinder cap thermocouple temperature measurement according to claim 1, is characterized in that, the openend of described swivel nut is the ladder thread segment of retracting;
Described auxiliary mould also comprises swivel nut lid, and one end of described swivel nut lid has the threaded hole coordinated with described ladder thread segment, and the other end of described swivel nut lid has the through hole through with described blind hole, and described through hole is used for described thermopair to draw outside described swivel nut lid.
3. the auxiliary mould being applied to cylinder cap thermocouple temperature measurement according to claim 2, is characterized in that, is provided with sealing gasket between the front end of described ladder thread segment and the bottom of described threaded hole.
4. the auxiliary mould being applied to cylinder cap thermocouple temperature measurement according to claim 1, is characterized in that, the end face of the blind end of described swivel nut is provided with dismounting groove.
5. the auxiliary mould being applied to cylinder cap thermocouple temperature measurement according to claim 1, is characterized in that, the end face of the blind end of described swivel nut is provided with dismounting projection.
6. the auxiliary mould being applied to cylinder cap thermocouple temperature measurement according to claim 1, is characterized in that, the end face of the blind end of described swivel nut is provided with interior corner apertures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606300.XU CN204085724U (en) | 2014-10-20 | 2014-10-20 | Be applied to the auxiliary mould of cylinder cap thermocouple temperature measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606300.XU CN204085724U (en) | 2014-10-20 | 2014-10-20 | Be applied to the auxiliary mould of cylinder cap thermocouple temperature measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204085724U true CN204085724U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420606300.XU Expired - Fee Related CN204085724U (en) | 2014-10-20 | 2014-10-20 | Be applied to the auxiliary mould of cylinder cap thermocouple temperature measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204085724U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334059A (en) * | 2015-10-13 | 2016-02-17 | 哈尔滨东安汽车发动机制造有限公司 | Temperature field experimental method for engine cylinder head |
| CN109596240A (en) * | 2018-12-29 | 2019-04-09 | 天津雷沃发动机有限公司 | A kind of Wall Surface of Combustion Chamber in Diesel Engine temperature testing method |
-
2014
- 2014-10-20 CN CN201420606300.XU patent/CN204085724U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334059A (en) * | 2015-10-13 | 2016-02-17 | 哈尔滨东安汽车发动机制造有限公司 | Temperature field experimental method for engine cylinder head |
| CN109596240A (en) * | 2018-12-29 | 2019-04-09 | 天津雷沃发动机有限公司 | A kind of Wall Surface of Combustion Chamber in Diesel Engine temperature testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20201020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |