CN114383489B - Automobile turbine blade size testing fixture - Google Patents
Automobile turbine blade size testing fixture Download PDFInfo
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- CN114383489B CN114383489B CN202210274605.4A CN202210274605A CN114383489B CN 114383489 B CN114383489 B CN 114383489B CN 202210274605 A CN202210274605 A CN 202210274605A CN 114383489 B CN114383489 B CN 114383489B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/205—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures of turbine blades or propellers
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides an automobile turbine blade size gauge which comprises a base, wherein a moving mechanism, a first measuring mechanism, a limiting mechanism, a fixing mechanism, a second measuring mechanism and a pulley mechanism are arranged on the base; the invention can be suitable for blades with different sizes and can automatically measure the blades, the whole measuring process is simple and convenient, the working efficiency is high, the measuring precision is high, the invention is suitable for measuring the sizes of the molded surfaces of various types of precision casting turbine blades, meanwhile, the blades can be automatically measured through the first measuring ball, the measuring efficiency is improved, the error of manual measurement is reduced, the blades can be fixedly limited through the limiting strip when being measured, the measuring error caused by the deviation of the blades in the measuring process is avoided, finally, the side surfaces of the blades can be mapped through the second measuring ball, and the problem that the accurate measurement cannot be carried out when the surfaces of the blades have the radian is avoided.
Description
Technical Field
The invention relates to the technical field of size detection, in particular to a size detection tool for an automobile turbine blade.
Background
The turbine blade is a key part of an automobile engine, and the requirements on the section contour dimension and the center position precision of the blade are high. In order to meet the design requirements of the turbine blades, the section profile of each turbine blade needs to be detected, the measurement precision directly influences the performance of an automobile engine, but the current blade measurement has the following defects:
firstly, most of the blade measurement adopts manual measurement, so that the labor cost of a factory is greatly increased and the measurement efficiency is reduced;
secondly, during manual measurement, measurement errors are easy to occur, and the performance of the engine is easy to reduce due to the measurement errors;
thirdly, the blade is mostly the curved surface, can not carry out effectual measurement and can not simulate the whole profile of drawing blade after measuring to the curved surface.
Disclosure of Invention
The invention aims to provide a size testing fixture for an automobile turbine blade, which is used for overcoming the defects in the prior art.
The automobile turbine blade size gauge comprises a base, wherein fixed rods with symmetrical left and right positions are fixedly arranged on the top wall of the base, a top plate is fixedly arranged between the two fixed rods, a sliding block is connected onto the top plate in a sliding manner, and a moving mechanism for driving the sliding block to move is arranged on the front side wall of the top plate;
a first measuring mechanism for measuring the length of the blade is arranged in the bottom wall of the front side of the sliding block;
the top wall of the base is provided with a left-right position symmetrical fixing mechanism for fixing the left position and the right position of the blade;
a limiting mechanism for limiting the blades and preventing the blades from shaking is arranged in the top wall of the base;
the equidistant four pulley mechanisms that are convenient for the base removes that are equipped with on the base diapire.
Preferably, the moving mechanism includes a first sliding groove fixedly arranged in the front side wall of the top plate, a first rack is fixedly arranged on the rear side wall of the first sliding groove, a first motor is fixedly arranged on the side wall of the sliding block close to the first sliding groove, an upward first rotating shaft is installed on the first motor, and a first gear meshed with the first rack is fixedly arranged on the first rotating shaft.
Therefore, the blade fixing device can be suitable for blades with different lengths, and the practicability of the device is improved.
Preferably, the first measuring mechanism comprises a first hydraulic cylinder fixedly arranged in the bottom wall of the front side of the sliding block, a first telescopic rod facing downwards is installed at the lower end of the first hydraulic cylinder, and a first measuring ball is installed at the lower end of the first telescopic rod.
Therefore, the length of the blade can be automatically measured, the measuring efficiency is improved, and the error of manual measurement is reduced.
Preferably, stop gear including set firmly in second sliding tray in the base roof, the intercommunication has the penetration on the second sliding tray roof the third sliding tray of base roof, threaded motor has set firmly on the second sliding tray rear side wall, threaded motor is last to install screw thread axle forward, threaded shaft goes up threaded connection has the extension to two connecting rods of position symmetry around and in the third sliding tray, set firmly on the connecting rod top with base roof sliding connection's spacing strip, be equipped with the second measuring mechanism of measuring the blade shape in the spacing strip.
In this way, it is avoided that the blade finds an offset during the measurement, resulting in measurement errors.
Preferably, fixed establishment including set firmly in fourth sliding tray in the base roof, the second pneumatic cylinder has set firmly on the lateral wall that the fourth sliding tray is close to the symmetric center, the second pneumatic cylinder install extend to the second telescopic link in the fourth sliding tray, sliding connection has in the fourth sliding tray extends to the grip block of base roof upside, the second telescopic link with the lateral wall fixed connection that the grip block is close to the symmetric center.
In this way, the blade can be prevented from finding the deviation in the measuring process, and the measurement error can be avoided.
Preferably, the second measuring mechanism including set firmly in spacing is close to the fifth sliding tray on the symmetry center lateral wall, sliding connection has the third telescopic link on the lateral wall that the symmetry center was kept away from to the fifth sliding tray, the third telescopic link below the second rack has set firmly on the fifth sliding tray diapire, the third telescopic link lower extreme has set firmly the second motor, the second axis of rotation is installed to the second motor, set firmly in the second axis of rotation with the second gear of second rack meshing, the third telescopic link is close to one of symmetry center and serves and install the second and measure the ball.
Therefore, the profile of the side surface of the blade can be measured, and the measuring capability of the device is improved.
Preferably, the pulley mechanism includes the shock attenuation pole that sets firmly on the base diapire, the wheel is installed to the shock attenuation pole lower extreme, install the brake block on the wheel.
Therefore, the equipment can be conveniently moved, and the requirement of large manpower in the moving process is avoided.
The beneficial effects of the invention are:
the moving mechanism, the first measuring mechanism, the limiting mechanism, the fixing mechanism, the second measuring mechanism and the pulley mechanism are arranged, so that the device can be suitable for blades with different sizes and can automatically measure the blades, the whole measuring process is simple and convenient, the working efficiency is high, the measuring precision is high, and the device is suitable for measuring the sizes of molded surfaces of various types of precision casting turbine blades;
meanwhile, the first measuring ball arranged in the blade measuring device can automatically measure the blade, so that the measuring efficiency is improved, and the error of manual measurement is reduced;
the limiting strip provided by the invention can fix and limit the blade when the blade is measured, so that the blade is prevented from finding deviation in the measuring process to cause measurement errors;
finally, the second measuring ball provided by the invention can be used for surveying and mapping the side surface of the blade, so that the problem that the blade surface cannot be accurately measured when the radian exists is avoided.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic overall structure diagram of the automobile turbine blade dimension checking fixture of the invention;
FIG. 3 is a schematic view of A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of B-B of FIG. 2 according to the present invention;
FIG. 5 is a schematic view of C-C of FIG. 2 in accordance with the present invention;
FIG. 6 is a schematic view of the spacing mechanism of FIG. 2 of the present invention;
as shown in the figure:
10. a base; 11. fixing the rod; 12. a wheel; 13. a top plate; 14. a brake pad; 15. a first sliding groove; 16. a first rack; 17. a slider; 18. a first motor; 19. a first rotating shaft; 20. a first gear; 21. a first hydraulic cylinder; 22. a first telescopic rod; 23. a first measuring ball; 24. a fourth sliding groove; 25. a second hydraulic cylinder; 26. a second telescopic rod; 27. a clamping block; 28. a second sliding groove; 29. a thread motor; 30. a threaded shaft; 31. a connecting rod; 32. a limiting strip; 33. a fifth sliding groove; 34. a second rack; 35. a third telescopic rod; 36. a second motor; 37. a second rotating shaft; 38. a second gear; 39. a second measuring ball; 40. a third sliding groove; 41. a shock-absorbing lever; 42. a moving mechanism; 43. a first measuring mechanism; 44. a limiting mechanism; 45. a fixing mechanism; 46. a second measuring mechanism; 47. a pulley mechanism.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the embodiments as follows:
referring to fig. 1 to 6, the automobile turbine blade size gauge comprises a base 10, wherein fixed rods 11 with symmetrical left and right positions are fixedly arranged on the top wall of the base 10, a top plate 13 is fixedly arranged between the two fixed rods 11, a sliding block 17 is slidably connected onto the top plate 13, and a moving mechanism 42 for driving the sliding block 17 to move is arranged on the front side wall of the top plate 13;
a first measuring mechanism 43 for measuring the length of the blade is arranged in the bottom wall of the front side of the sliding block 17;
the top wall of the base 10 is provided with a left-right symmetrical fixing mechanism 45 for fixing the left and right positions of the blade;
a limiting mechanism 44 for limiting the blades and preventing the blades from shaking is arranged in the top wall of the base 10;
four pulley mechanisms 47 which are convenient for the base 10 to move are arranged on the bottom wall of the base 10 at equal intervals.
Further, the moving mechanism 42 includes a first sliding groove 15 fixedly disposed in the front side wall of the top plate 13, a first rack 16 is fixedly disposed on the rear side wall of the first sliding groove 15, a first motor 18 is fixedly disposed on the side wall of the slider 17 close to the first sliding groove 15, the first motor 18 is provided with a first rotating shaft 19 facing upward, a first gear 20 engaged with the first rack 16 is fixedly disposed on the first rotating shaft 19, when the first motor 18 is started, the first motor 18 drives the first gear 20 to rotate through the first rotating shaft 19, the first gear 20 drives the first motor 18 to move through engagement with the first rack 16, and the first motor 18 drives the slider 17 to move left and right.
Further, the first measuring mechanism 43 comprises a first hydraulic cylinder 21 fixedly arranged in the bottom wall of the front side of the sliding block 17, a first telescopic rod 22 facing downward is mounted at the lower end of the first hydraulic cylinder 21, a first measuring ball 23 is mounted at the lower end of the first telescopic rod 22, and when the first hydraulic cylinder 21 is started, the first telescopic rod 22 extends to drive the first measuring ball 23 to move downward.
Further, the limiting mechanism 44 includes a second sliding groove 28 fixedly disposed in the top wall of the base 10, a third sliding groove 40 penetrating through the top wall of the base 10 is communicated with the top wall of the second sliding groove 28, a thread motor 29 is fixedly arranged on the rear side wall of the second sliding groove 28, a forward thread shaft 30 is arranged on the thread motor 29, the threaded shaft 30 is threadedly connected with two connecting rods 31 extending into the third sliding groove 40 and symmetrically arranged in front and rear directions, a limit strip 32 connected with the top wall of the base 10 in a sliding manner is fixedly arranged on the top end of the connecting rod 31, a second measuring mechanism 46 for measuring the shape of the blade is arranged in the limit strip 32, when the thread motor 29 is started, the thread motor 29 drives the two connecting rods 31 to move through the thread shaft 30, and the two connecting rods 31 respectively drive the limiting strips 32 to move towards the symmetrical center.
Further, the fixing mechanism 45 includes a fourth sliding groove 24 fixedly arranged in the top wall of the base 10, a second hydraulic cylinder 25 is fixedly arranged on a side wall of the fourth sliding groove 24 close to the symmetric center, a second telescopic rod 26 extending into the fourth sliding groove 24 is installed on the second hydraulic cylinder 25, a clamping block 27 extending to the upper side of the top wall of the base 10 is slidably connected in the fourth sliding groove 24, the second telescopic rod 26 is fixedly connected with the side wall of the clamping block 27 close to the symmetric center, when the second hydraulic cylinder 25 is started, the second telescopic rod 26 drives the clamping block 27 to move towards the symmetric center respectively.
Further, the second measuring mechanism 46 includes a fifth sliding groove 33 fixedly disposed on the side wall of the limiting bar 32 close to the symmetry center, the side wall of the fifth sliding groove 33 far from the symmetry center is slidably connected with a third telescopic rod 35, a second rack 34 is fixedly disposed on the bottom wall of the fifth sliding groove 33 below the third telescopic rod 35, a second motor 36 is fixedly disposed at the lower end of the third telescopic rod 35, the second motor 36 is provided with a second rotating shaft 37, a second gear 38 engaged with the second rack 34 is fixedly disposed on the second rotating shaft 37, a second measuring ball 39 is mounted at one end of the third telescopic rod 35 close to the symmetry center, when the second motor 36 is started, the second motor 36 drives the second gear 38 to rotate through the second rotating shaft 37, the second gear 38 drives the third telescopic rod 35 to move through engagement with the second rack 34, the third telescopic rod 35 drives the second measuring ball 39 to move.
Further, the pulley mechanism 47 includes a shock absorbing rod 41 fixedly arranged on the bottom wall of the base 10, a wheel 12 is mounted at the lower end of the shock absorbing rod 41, and a brake pad 14 is mounted on the wheel 12.
The invention relates to an automobile turbine blade size gauge, which comprises the following working procedures:
when a worker places a blade on the top wall of the base 10, two of the second hydraulic cylinders 25 are started, two of the second telescopic rods 26 are contracted, the second telescopic rods 26 drive the clamping blocks 27 to move towards the symmetric center, two of the clamping blocks 27 fix the blade left and right, the screw motor 29 is started, the screw motor 29 drives two of the connecting rods 31 to move through the screw shaft 30, two of the connecting rods 31 respectively drive the limiting bars 32 to move towards the symmetric center, two of the limiting bars 32 respectively drive two of the second measuring balls 39 to press against the front and rear side walls of the blade, the second motor 36 is started, the second motor 36 drives the second gear 38 to rotate through the second rotating shaft 37, the second gear 38 drives the third measuring ball 35 to move through meshing with the second gear 34, and the third telescopic rod 35 drives the second measuring ball 39 to move, two second measuring balls 39 are started, and the front side and the rear side of the blade are respectively mapped by the two second measuring balls 39;
the first motor 18 is started, the first motor 18 drives the first gear 20 to rotate through the first rotating shaft 19, the first gear 20 drives the first motor 18 to move through meshing with the first rack 16, the first motor 18 drives the sliding block 17 to move leftwards, the sliding block 17 moves the first measuring ball 23 to a position right above the leftmost end of the blade, the first hydraulic cylinder 21 is started, the first telescopic rod 22 extends to drive the first measuring ball 23 to move downwards and press the first measuring ball 23 on the upper surface of the blade, the first measuring ball 23 is started, the first motor 18 is started in a reverse direction, and the first motor 18 repeats the actions and drives the first measuring ball 23 to measure the length of the blade from left to right.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It will be appreciated by those skilled in the art that changes could be made to the embodiments described above without departing from the broad inventive concept thereof. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (2)
1. The utility model provides an utensil is examined to car turbine blade size, includes base (10), its characterized in that: the top wall of the base (10) is fixedly provided with fixing rods (11) which are symmetrical left and right, a top plate (13) is fixedly arranged between the two fixing rods (11), the top plate (13) is connected with a sliding block (17) in a sliding manner, and the front side wall of the top plate (13) is provided with a moving mechanism (42) which drives the sliding block (17) to move;
a first measuring mechanism (43) for measuring the length of the blade is arranged in the bottom wall of the front side of the sliding block (17);
the top wall of the base (10) is provided with a left-right symmetrical fixing mechanism (45) for fixing the left and right positions of the blade;
a limiting mechanism (44) for limiting the blades and preventing the blades from shaking is arranged in the top wall of the base (10);
four pulley mechanisms (47) which are convenient for the base (10) to move are arranged on the bottom wall of the base (10) at equal intervals; the limiting mechanism (44) comprises a second sliding groove (28) fixedly arranged in the top wall of the base (10), the top wall of the second sliding groove (28) is communicated with a third sliding groove (40) penetrating through the top wall of the base (10), a threaded motor (29) is fixedly arranged on the rear side wall of the second sliding groove (28), a forward threaded shaft (30) is mounted on the threaded motor (29), the threaded shaft (30) is in threaded connection with two connecting rods (31) which extend into the third sliding groove (40) and are symmetrical in front and back positions, a limiting strip (32) slidably connected with the top wall of the base (10) is fixedly arranged at the top end of each connecting rod (31), and a second measuring mechanism (46) for measuring the shape of a blade is arranged in each limiting strip (32); the moving mechanism (42) comprises a first sliding groove (15) fixedly arranged in the front side wall of the top plate (13), a first rack (16) is fixedly arranged on the rear side wall of the first sliding groove (15), a first motor (18) is fixedly arranged on the side wall, close to the first sliding groove (15), of the sliding block (17), the first motor (18) is provided with a first upward rotating shaft (19), and a first gear (20) meshed with the first rack (16) is fixedly arranged on the first rotating shaft (19); the first measuring mechanism (43) comprises a first hydraulic cylinder (21) fixedly arranged in the bottom wall of the front side of the sliding block (17), a first telescopic rod (22) facing downwards is installed at the lower end of the first hydraulic cylinder (21), and a first measuring ball (23) is installed at the lower end of the first telescopic rod (22); the fixing mechanism (45) comprises a fourth sliding groove (24) fixedly arranged in the top wall of the base (10), a second hydraulic cylinder (25) is fixedly arranged on the side wall, close to the symmetry center, of the fourth sliding groove (24), a second telescopic rod (26) extending into the fourth sliding groove (24) is installed on the second hydraulic cylinder (25), a clamping block (27) extending to the upper side of the top wall of the base (10) is connected in the fourth sliding groove (24) in a sliding mode, and the second telescopic rod (26) is fixedly connected with the side wall, close to the symmetry center, of the clamping block (27); second measuring mechanism (46) including set firmly in spacing strip (32) are close to fifth sliding tray (33) on the center of symmetry lateral wall, sliding connection has third telescopic link (35) on the lateral wall of center of symmetry is kept away from in fifth sliding tray (33), third telescopic link (35) below set firmly second rack (34) on fifth sliding tray (33) diapire, third telescopic link (35) lower extreme has set firmly second motor (36), second axis of rotation (37) are installed in second motor (36), set firmly on second axis of rotation (37) with second gear (38) of second rack (34) meshing, third telescopic link (35) are close to one of center of symmetry and serve and install second measurement ball (39).
2. The automobile turbine blade size testing fixture as claimed in claim 1, wherein: pulley mechanism (47) including set firmly in shock attenuation pole (41) on base (10) diapire, wheel (12) are installed to shock attenuation pole (41) lower extreme, install brake block (14) on wheel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210274605.4A CN114383489B (en) | 2022-03-21 | 2022-03-21 | Automobile turbine blade size testing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210274605.4A CN114383489B (en) | 2022-03-21 | 2022-03-21 | Automobile turbine blade size testing fixture |
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| Publication Number | Publication Date |
|---|---|
| CN114383489A CN114383489A (en) | 2022-04-22 |
| CN114383489B true CN114383489B (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210274605.4A Active CN114383489B (en) | 2022-03-21 | 2022-03-21 | Automobile turbine blade size testing fixture |
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| CN (1) | CN114383489B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812462B (en) * | 2022-06-22 | 2022-09-13 | 深圳市华盛源机电有限公司 | Precision dimension measurement system of vehicle-mounted electronic control cooling unit of new energy |
| CN116538979B (en) * | 2023-07-06 | 2023-09-12 | 常州市奥威机械有限公司 | Dimension measurement tool based on multi-specification turbine blade machining |
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| JP2014109242A (en) * | 2012-12-03 | 2014-06-12 | Mitsubishi Heavy Ind Ltd | Clearance measurement system and clearance measurement method |
| CN110500931A (en) * | 2019-08-12 | 2019-11-26 | 无锡航亚科技股份有限公司 | A kind of the measurement fixture and measurement method of vane foil size and blade tip size |
| CN111239252A (en) * | 2020-03-25 | 2020-06-05 | 中国华能集团清洁能源技术研究院有限公司 | Wind generating set blade finished product flaw detection device |
| CN212794704U (en) * | 2020-08-11 | 2021-03-26 | 无锡铁川科技有限公司 | Engine blade precision measurement clamping device |
| CN214372346U (en) * | 2021-04-07 | 2021-10-08 | 中国民用航空飞行学院 | Device for detecting height of blade edge plate through aviation |
| CN113732315A (en) * | 2021-08-05 | 2021-12-03 | 华南理工大学 | Fixing and leveling device and method for repairing turbine blade through SLM |
| CN215968128U (en) * | 2021-08-25 | 2022-03-08 | 德州惠正通风空调设备有限公司 | Efficient polishing equipment for fan blade production |
-
2022
- 2022-03-21 CN CN202210274605.4A patent/CN114383489B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014109242A (en) * | 2012-12-03 | 2014-06-12 | Mitsubishi Heavy Ind Ltd | Clearance measurement system and clearance measurement method |
| CN110500931A (en) * | 2019-08-12 | 2019-11-26 | 无锡航亚科技股份有限公司 | A kind of the measurement fixture and measurement method of vane foil size and blade tip size |
| CN111239252A (en) * | 2020-03-25 | 2020-06-05 | 中国华能集团清洁能源技术研究院有限公司 | Wind generating set blade finished product flaw detection device |
| CN212794704U (en) * | 2020-08-11 | 2021-03-26 | 无锡铁川科技有限公司 | Engine blade precision measurement clamping device |
| CN214372346U (en) * | 2021-04-07 | 2021-10-08 | 中国民用航空飞行学院 | Device for detecting height of blade edge plate through aviation |
| CN113732315A (en) * | 2021-08-05 | 2021-12-03 | 华南理工大学 | Fixing and leveling device and method for repairing turbine blade through SLM |
| CN215968128U (en) * | 2021-08-25 | 2022-03-08 | 德州惠正通风空调设备有限公司 | Efficient polishing equipment for fan blade production |
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