CN105352617A - Lead type thermocouple piston surface temperature measurement connecting rod lead structure - Google Patents
Lead type thermocouple piston surface temperature measurement connecting rod lead structure Download PDFInfo
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- CN105352617A CN105352617A CN201510907741.2A CN201510907741A CN105352617A CN 105352617 A CN105352617 A CN 105352617A CN 201510907741 A CN201510907741 A CN 201510907741A CN 105352617 A CN105352617 A CN 105352617A
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Abstract
The invention discloses a lead type thermocouple piston surface temperature measurement connecting rod lead structure. The structure includes a first connecting block connected with a large head end of an engine connecting rod, the first connecting block is connected with a second hinge block, the second hinge block is hinged to a third hinge block, and the third hinge block is connected with a fourth hinge block through a first connecting rod; the fourth hinge block is hinged to a fifth hinge block, and the fifth hinge block is connected with a sixth hinge block through a second connecting rod; and the sixth hinge block is hinged to a seventh hinge block, and the seventh hinge block is fixedly connected to a rack through an eighth connecting block. The lead type thermocouple piston surface temperature measurement connecting rod lead structure has the beneficial effects that up-and-down motion of a thermocouple wire is changed into swing, and the structure is convenient to assemble and disassemble; a change of piston temperature can be measured, and the measured piston temperature is high in accuracy; the cost is low; and the structure can operate at a high speed.
Description
Technical field
The present invention relates to lead type thermopair piston face technical field of temperature measurement, be specifically related to a kind of lead type thermopair piston face temperature survey connecting rod pin configuration.
Background technology
Existing is on the basis of engine link, adopt cum rights that thermocouple wire (1-4) is drawn cylinder (1-1) be connected with data acquisition circuit outward for piston face thermometric lead type thermocouple measurement mechanism.Thermocouple wire (1-4) is fixed on flexible strip (1-3), and steel band is fixedly mounted on piston (1-2) with larger radius-of-curvature.As shown in Figure 1.
But this complicated structure, during dismounting, need by the piston of engine and connecting rod together dismounting, dismounting is inconvenient, adds workload, reduces the efficiency of measuring tempeature.
Summary of the invention
Object of the present invention is exactly that propose a kind of lead type thermopair piston face temperature survey connecting rod pin configuration, this structure easy accessibility, can measure the change of piston temperature, measuring accuracy is high in order to solve the problem.
For achieving the above object, concrete scheme of the present invention is as follows:
A kind of lead type thermopair piston face temperature survey connecting rod pin configuration, comprise: the first contiguous block be connected with engine connecting rod big end end, described first contiguous block is connected with the second hinged block, second hinged block and the 3rd hinged block hinged, the 3rd hinged block is connected with the 4th hinged block by first connecting rod;
Described 4th hinged block and the 5th hinged block hinged, described 5th hinged block is connected with the 6th hinged block by second connecting rod;
Described 6th hinged block and the 7th hinged block hinged, the 7th hinged block is fixedly connected on stand by the 8th contiguous block.
Described first contiguous block and the 8th contiguous block are L-type web member, and two limits of described L-type web member are respectively equipped with threaded hole;
One end of first contiguous block is connected with engine connecting rod big end end by screw thread, and the other end is connected with the second hinged block by screw thread.
One end of 8th contiguous block is connected with stand by screw thread, and the other end is connected with the 6th hinged block by screw thread.
Described second hinged block, the 4th hinged block and the 6th hinged block are the contiguous block of one end with U-shaped groove, and the other end of the described contiguous block with U-shaped groove is provided with threaded hole; Two outstanding limits of described U-shaped groove are respectively equipped with the threaded hole connected.
Described 3rd hinged block, the 5th hinged block and the 7th hinged block are the contiguous block of one end with the projection with U-shaped groove match, and the other end of the described contiguous block with the projection with U-shaped groove match is provided with threaded hole; Described projection is provided with threaded hole, and the threaded hole on two outstanding limits of described threaded hole and U-shaped groove is positioned on same axis.
The two ends of described first connecting rod and second connecting rod are equipped with threaded end.
Be connected on piston by thermocouple wire one end, the thermocouple wire other end is drawn by thermopair piston face temperature survey connecting rod pin configuration; The trend of thermocouple wire moves towards identical with thermopair piston face temperature survey connecting rod pin configuration inside.
Beneficial effect of the present invention:
Thermocouple wire is connected on piston by the present invention, thermocouple wire is drawn by lead type thermopair piston face temperature survey connecting rod pin configuration, change moving up and down of thermocouple wire into swing, after thermocouple wire changes swing into, can draw at the stand contiguous block place of lead type thermopair piston face temperature survey connecting rod pin configuration, thermopair at stand contiguous block place will no longer do any motion, can be connected with temperature measuring mechanism reposefully.
Structure easy accessibility of the present invention; Can measure the change of piston temperature, and the piston temperature degree of accuracy measured is high; Cost is low; Can operate at high speeds.
Accompanying drawing explanation
Fig. 1 is that existing lead type measures structural representation;
Fig. 2 is structural representation of the present invention;
Fig. 3 (a) is the present invention second hinged block, the front view of the 4th hinged block and the 6th hinged block;
Fig. 3 (b) is the present invention second hinged block, the vertical view of the 4th hinged block and the 6th hinged block;
Fig. 4 (a) is the front view of the present invention the 3rd hinged block, the 5th hinged block and the 7th hinged block;
Fig. 4 (b) is the vertical view of the present invention the 3rd hinged block, the 5th hinged block and the 7th hinged block;
The front view that Fig. 5 (a) is the present invention first contiguous block and the 8th contiguous block;
The vertical view that Fig. 5 (b) is the present invention first contiguous block and the 8th contiguous block;
Wherein, 1-1, cylinder, 1-2, piston, 1-3, flexible strip, 1-4, thermocouple wire;
1. engine connecting rod big end contiguous block, 2. the second hinged block, 3. the 3rd hinged block, 4. first connecting rod, 5. the 4th hinged block, 6. the 5th hinged block, 7. second connecting rod, 8. the 6th hinged block, 9. the 7th hinged block, 10. stand contiguous block.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is described in detail:
As shown in Figure 2, a kind of lead type thermopair piston face temperature survey connecting rod pin configuration, comprising: engine connecting rod big end contiguous block 1 is bolted on big end by big end; Engine connecting rod big end contiguous block 1 is connected with the second hinged block 2 threaded one end; Second hinged block 2 and the 3rd hinged block 3 hinged; 3rd hinged block 3 is connected with first connecting rod 4 threaded one end; First connecting rod 4 other end is threaded with the 4th hinged block 5; 4th hinged block 5 and the 5th hinged block 6 hinged; 5th hinged block 6 is connected with second connecting rod 7 threaded one end; Second connecting rod 7 one end is threaded with the 6th hinged block 8; 6th hinged block 8 and the 7th hinged block 9 hinged; 7th hinged block 9 is threaded with stand contiguous block 10; Stand contiguous block 10 is fixedly connected on stand.
The two ends of first connecting rod 4 and second connecting rod 7 are equipped with threaded end;
The present invention second hinged block the 2, the 4th hinged block 5 is identical with the structure of the 6th hinged block 8, as shown in Fig. 3 (a) He Fig. 3 (b); Its structure is the contiguous block of one end with U-shaped groove, and the other end with the contiguous block of U-shaped groove is provided with threaded hole, matches with the threaded end of connecting link.Two outstanding limits of U-shaped groove are respectively equipped with the threaded hole connected.
The present invention the 3rd hinged block 3, the 5th hinged block 6 are identical with the structure of the 7th hinged block 9, as shown in Fig. 4 (a) He Fig. 4 (b); Its structure is the contiguous block of one end with the projection with U-shaped groove match, and the other end with the contiguous block of the projection with U-shaped groove match is provided with threaded hole, matches with the threaded end of connecting link.Projection is provided with threaded hole, and the threaded hole on two outstanding limits of the threaded hole in projection and U-shaped groove is positioned on same axis.Can by hinged for two contiguous blocks by bearing pin.
Engine connecting rod big end contiguous block 1 (i.e. the first contiguous block) of the present invention is identical with the structure of stand contiguous block 10 (i.e. the 8th contiguous block), is L-type web member, and two limits of L-type web member are respectively equipped with threaded hole;
A wherein limit of engine connecting rod big end contiguous block 1 is connected with engine connecting rod big end end by screw thread, and the other end is connected with the second hinged block by screw thread.
A wherein limit of stand contiguous block 10 is connected with stand by screw thread, and the other end is connected with the 6th hinged block by screw thread.
Thermocouple wire is connected on piston, and thermocouple wire is drawn by lead type thermopair piston face temperature survey connecting rod threading mechanism, its direction of routing along hinged block and connecting rod move towards arrange, change moving up and down of thermocouple wire into swing.
The big end of engine drives engine contiguous block 1 to move in a circle together, engine contiguous block 1 drives the first hinged joint block 2 also to move in a circle, second hinged block 2 drives the 3rd hinged block 3 to move in a circle, and the second hinged block 2 and the 3rd hinged block 3 can rotate around hinged place; 3rd hinged block 3 drives first connecting rod 4 to swing, and first connecting rod 4 drives the 4th hinged block 5 to swing, and the 4th hinged block 5 drives the 5th hinged block 6 to swing, and the 4th hinged block 5 and the 5th hinged block 6 rotate around hinged place; 5th hinged block 6 drives second connecting rod 7 to swing, and second connecting rod 7 drives the 6th hinged block 8 to swing; 6th hinged block 8 rotates around hinged place, and the 7th hinged block 9 is fixed on stand contiguous block 10, and stand contiguous block 10 is fixed on stand.
In piston face punching, one end of thermocouple wire is fixed on piston face, thermocouple wire will be drawn by connecting rod and lead type thermopair piston face temperature survey connecting rod threading mechanism.Thermocouple wire will be bundled in connecting rod and lead type thermopair piston face temperature survey connecting rod threading mechanism, thermocouple wire moves reciprocatingly with connecting rod, the to-and-fro movement of thermopair is then changed into the swing in plane by lead type thermopair piston face temperature survey connecting rod threading mechanism, thermocouple wire can be drawn at the stand contiguous block place of lead type thermopair piston face temperature survey connecting rod threading mechanism like this, thermocouple wire one end is connected with temperature measuring mechanism, realizes the measurement of piston face temperature.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (6)
1. a lead type thermopair piston face temperature survey connecting rod pin configuration, it is characterized in that, comprise: the first contiguous block be connected with engine connecting rod big end end, described first contiguous block is connected with the second hinged block, second hinged block and the 3rd hinged block hinged, the 3rd hinged block is connected with the 4th hinged block by first connecting rod;
Described 4th hinged block and the 5th hinged block hinged, described 5th hinged block is connected with the 6th hinged block by second connecting rod;
Described 6th hinged block and the 7th hinged block hinged, the 7th hinged block is fixedly connected on stand by the 8th contiguous block.
2. a kind of lead type thermopair piston face temperature survey connecting rod pin configuration as claimed in claim 1, it is characterized in that, described first contiguous block and the 8th contiguous block are L-type web member, and two limits of described L-type web member are respectively equipped with threaded hole;
One end of first contiguous block is connected with engine connecting rod big end end by screw thread, and the other end is connected with the second hinged block by screw thread;
One end of 8th contiguous block is connected with stand by screw thread, and the other end is connected with the 6th hinged block by screw thread.
3. a kind of lead type thermopair piston face temperature survey connecting rod pin configuration as claimed in claim 1, it is characterized in that, described second hinged block, the 4th hinged block and the 6th hinged block are the contiguous block of one end with U-shaped groove, and the other end of the described contiguous block with U-shaped groove is provided with threaded hole; Two outstanding limits of described U-shaped groove are respectively equipped with the threaded hole connected.
4. a kind of lead type thermopair piston face temperature survey connecting rod pin configuration as claimed in claim 3, it is characterized in that, described 3rd hinged block, the 5th hinged block and the 7th hinged block are the contiguous block of one end with the projection with U-shaped groove match, and the other end of the described contiguous block with the projection with U-shaped groove match is provided with threaded hole; Described projection is provided with threaded hole, and the threaded hole on two outstanding limits of described threaded hole and U-shaped groove is positioned on same axis.
5. a kind of lead type thermopair piston face temperature survey connecting rod pin configuration as claimed in claim 1, it is characterized in that, the two ends of described first connecting rod and second connecting rod are equipped with threaded end.
6. a kind of lead type thermopair piston face temperature survey connecting rod pin configuration as claimed in claim 1, is characterized in that, be connected on piston by thermocouple wire one end, and the thermocouple wire other end is drawn by thermopair piston face temperature survey connecting rod pin configuration; The trend of thermocouple wire moves towards identical with thermopair piston face temperature survey connecting rod pin configuration inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510907741.2A CN105352617B (en) | 2015-12-09 | 2015-12-09 | Lead type thermocouple piston face temperature survey connecting rod pin configuration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510907741.2A CN105352617B (en) | 2015-12-09 | 2015-12-09 | Lead type thermocouple piston face temperature survey connecting rod pin configuration |
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| CN105352617A true CN105352617A (en) | 2016-02-24 |
| CN105352617B CN105352617B (en) | 2017-10-24 |
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| CN201510907741.2A Active CN105352617B (en) | 2015-12-09 | 2015-12-09 | Lead type thermocouple piston face temperature survey connecting rod pin configuration |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595893A (en) * | 2016-12-19 | 2017-04-26 | 潍柴动力股份有限公司 | Piston dynamic temperature measurement test device |
| CN107525599A (en) * | 2017-07-31 | 2017-12-29 | 潍柴动力股份有限公司 | For the measurement apparatus and method measured to the dynamic temperature of engine piston |
| CN110006643A (en) * | 2019-04-18 | 2019-07-12 | 哈尔滨工程大学 | Internal-combustion engine piston ring group axial displacement and torsional angle measuring device |
| CN113153687A (en) * | 2021-03-09 | 2021-07-23 | 西安交通大学 | Piston temperature measuring system of liquid-driven piston compressor |
| CN114279711A (en) * | 2021-12-23 | 2022-04-05 | 中国船舶重工集团公司第七一一研究所 | Piston heat transfer test device |
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| CN205138657U (en) * | 2015-12-09 | 2016-04-06 | 山东大学 | Lead wire type thermocouple piston surface temperature measurement connecting rod pin configuration |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595893A (en) * | 2016-12-19 | 2017-04-26 | 潍柴动力股份有限公司 | Piston dynamic temperature measurement test device |
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| CN107525599A (en) * | 2017-07-31 | 2017-12-29 | 潍柴动力股份有限公司 | For the measurement apparatus and method measured to the dynamic temperature of engine piston |
| CN107525599B (en) * | 2017-07-31 | 2020-01-03 | 潍柴动力股份有限公司 | Measuring device and method for measuring dynamic temperature of engine piston |
| CN110006643A (en) * | 2019-04-18 | 2019-07-12 | 哈尔滨工程大学 | Internal-combustion engine piston ring group axial displacement and torsional angle measuring device |
| CN113153687A (en) * | 2021-03-09 | 2021-07-23 | 西安交通大学 | Piston temperature measuring system of liquid-driven piston compressor |
| CN113153687B (en) * | 2021-03-09 | 2022-10-25 | 西安交通大学 | Piston temperature measuring system of liquid-driven piston compressor |
| CN114279711A (en) * | 2021-12-23 | 2022-04-05 | 中国船舶重工集团公司第七一一研究所 | Piston heat transfer test device |
| CN114279711B (en) * | 2021-12-23 | 2024-03-29 | 中国船舶集团有限公司第七一一研究所 | Piston heat transfer test device |
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| CN105352617B (en) | 2017-10-24 |
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