CN114509015B - Turbine blade end face clearance influence assessment device - Google Patents
Turbine blade end face clearance influence assessment device Download PDFInfo
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- CN114509015B CN114509015B CN202210120282.3A CN202210120282A CN114509015B CN 114509015 B CN114509015 B CN 114509015B CN 202210120282 A CN202210120282 A CN 202210120282A CN 114509015 B CN114509015 B CN 114509015B
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- measuring
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Abstract
The turbine blade end face clearance influence assessment device comprises a cabinet body, a first moving mechanism, a vertical moving mechanism, a clamping mechanism, a measuring mechanism, a connecting mechanism and a microscope; according to the invention, through the components, the measuring operation of the outer contour of the end face of the turbine blade is convenient, the outer contour of the end face of the turbine blade is measured in a non-contact automatic adjusting mode, the measuring precision of the outer contour of the end face of the turbine blade is improved, the turbine blade can be stably clamped during measurement, and the posture and the position of the blade can be adjusted after the clamping, so that the application range of the device is enlarged, meanwhile, the automatic measurement is performed through a high-precision displacement mechanism during measurement, the measuring precision and the degree of automation are improved, and the tiny gap between the end face of the blade and the measuring component can be conveniently observed during blade position adjustment, so that the operability is improved.
Description
Technical Field
The invention relates to the technical field related to aero-engine blades, in particular to a turbine blade end face clearance influence assessment device.
Background
The turbine blades are the core hot-end components of an aircraft engine. Modern aircraft engine turbines have inlet temperatures that exceed the material melting point of the turbine blades, and in order to prevent the blades from being melted, air film cooling must be used. The cooling technology is that the blades are cooled. Turbine blades generally comprise complex inner cavities and air film cooling hole structures, and the structural strength of the turbine blades is mainly ensured by inner cavity rib plates and high-temperature resistant monocrystalline or directional crystal materials. To improve the aerodynamic performance of the engine, the blade outer profile is designed as a complex free-form surface. The turbine blade adopts investment casting disposable precision casting to form, and the unilateral allowance of a casting blank can reach 0.05-0.1 mm at most, and if the processing of the air film cooling hole is directly carried out based on the rough standard of the blank, larger processing errors and even waste products are caused. The machining precision requirement of the air film cooling hole of the turbine blade of the advanced aeroengine can reach +/-0.02 mm, the traditional process method mainly depends on manual experience, the machining efficiency is low, the machining consistency is difficult to ensure, the outer contour measurement is required to be carried out on a turbine blade blank to meet the requirement of automatically machining the air film cooling hole of the turbine blade, the compensation is carried out according to the contour deviation, and the machining program is calculated adaptively.
The common measurement of turbine blade outline is two kinds of measurement of contact and non-contact, the measurement of contact is that the measurement thing is through direct and turbine blade's outline border contact, then draw turbine blade's structural dimension in the removal in-process, this kind of measurement mode is lower in the precision when measuring, and non-contact measurement is through laser measurement's mode, and current this kind of measurement mode has the lower characteristics of relief surface measurement precision when measuring, therefore great influence has been brought to turbine blade's measurement, and current problem that has inconvenient accurate stable centre gripping when carrying out turbine blade fixation, therefore the blade takes place less displacement comparatively easily when carrying out the measurement, and then the measuring result causes certain influence, simultaneously inconvenient regulation of carrying out the blade gesture when carrying out the centre gripping, thereby have caused certain influence to the measurement of different structure blades.
Disclosure of Invention
The invention provides a turbine blade end face clearance influence assessment device, which solves the defects of the prior art, is convenient to measure the outer contour of the turbine blade end face, adopts a non-contact automatic adjustment mode to measure the outer contour of the turbine blade end face, improves the measurement accuracy of the outer contour of the turbine blade end face, can stably clamp the turbine blade during measurement, can adjust the posture and the position of the blade after clamping, and further expands the application range of the device.
In order to achieve the object of the present invention, the following techniques are proposed:
the turbine blade end face clearance influence assessment device comprises a cabinet body, a first moving mechanism, a vertical moving mechanism, a clamping mechanism, a measuring mechanism, a connecting mechanism and a microscope;
the first moving mechanism is arranged at the upper end of the cabinet body and is used for driving the vertical moving mechanism to move along the moving direction of the first moving mechanism;
the vertical moving mechanism is arranged at the output end of the first moving mechanism and is used for adjusting the position of the clamping mechanism in the vertical direction;
the clamping mechanism is arranged at the output end of the vertical moving mechanism and is used for clamping one end of the turbine blade and adjusting the posture of the turbine blade, the clamping mechanism comprises a down-regulating component arranged on the vertical moving seat, a pitching regulating component is arranged on the down-regulating component, an end top component is arranged on the pitching regulating component, a clamping component is further arranged on the pitching regulating component, the down-regulating mechanism is used for regulating the position of the clamping component so as to regulate the position of the turbine blade clamped by the clamping component, the pitching regulating component is used for regulating the pitching angle of the clamping component so as to regulate the pitching angle of the turbine blade clamped by the clamping component, and the end top component acts on the end limit of the clamping end of the turbine blade clamped by the clamping component;
the measuring mechanism is arranged at the upper end of the cabinet body, the moving direction of the measuring mechanism is mutually perpendicular to the moving direction of the first moving mechanism, and the measuring mechanism is used for measuring the outline appearance structure of the other end of the turbine blade;
the connecting mechanism is arranged at the upper end of the cabinet body and is used for fixing the microscope;
the microscope is arranged on the connecting mechanism and is used for observing the gap between the measuring mechanism and the edge of the other end of the turbine blade, and the microscope is a conventional microscope or an electron microscope.
The technical scheme has the advantages that:
according to the invention, through the cabinet body, the first moving mechanism, the vertical moving mechanism, the clamping mechanism, the measuring mechanism, the connecting mechanism and the microscope, the measuring operation of the outer contour of the end face of the turbine blade is convenient, the outer contour of the end face of the turbine blade is measured in a non-contact automatic adjusting mode, the measuring precision of the outer contour of the end face of the turbine blade is improved, the turbine blade can be stably clamped during measurement, the posture and the position of the blade can be adjusted after clamping, the application range of the device is enlarged, meanwhile, the automatic measurement is performed through the high-precision displacement mechanism during measurement, the measuring precision and the degree of automation are improved, and the tiny gap between the end face distance measuring parts of the blade can be conveniently observed during blade position adjustment, so that the operability is improved. The first moving mechanism and the vertical moving mechanism are matched to adjust the position of the blade in the two-dimensional coordinate space, when the measuring operation is completed according to the outline of the blade, the first moving mechanism can also adjust the gap between the measuring mechanism and the blade end face before measuring, the clamping mechanism can stably clamp the root of the blade, the gesture of the blade can be adjusted according to the specific structural characteristics of the blade, the measuring mechanism can drive the laser sensor arranged on the measuring mechanism to measure the outline of the blade end face, the position of the laser sensor can be adjusted before measuring, so that the measuring flexibility is improved, the application range is enlarged, the connecting mechanism plays a role of fixing and supporting the microscope, the height of the microscope can be adjusted simultaneously, when the measuring of different blades is carried out, the observation of the gap between the sensor and the blade edge is convenient, the rotation and the rotation locking of the microscope are also convenient, when the blade clamping is carried out, the influence of the microscope on the clamping operation is avoided, the microscope can be enabled to be located at the position of the sensor gap of the blade during measuring, the microscope is convenient to observe the blade, the gap of the blade is convenient, the microscope is convenient to observe the blade, and the position of the microscope is convenient to adjust.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 shows a perspective view of one embodiment.
Fig. 2 shows a first perspective view of the first moving mechanism.
Fig. 3 shows a second perspective view of the first moving mechanism.
Fig. 4 shows a third perspective view of the first moving mechanism.
Fig. 5 shows a first perspective view of the vertical movement mechanism and the clamping mechanism.
Fig. 6 shows a second perspective view of the vertical movement mechanism and the clamping mechanism.
Fig. 7 shows a third perspective view of the vertical movement mechanism and the clamping mechanism.
Fig. 8 shows an enlarged view at a.
Fig. 9 shows a first perspective view of the measuring mechanism.
Fig. 10 shows a second perspective view of the measuring mechanism.
Fig. 11 shows a perspective view of the connection mechanism.
Fig. 12 shows an enlarged view at B.
Fig. 13 shows an enlarged view at C.
Detailed Description
As shown in fig. 1, the turbine blade end face clearance influence assessment device comprises a cabinet body 1, a first moving mechanism 2, a vertical moving mechanism 3, a clamping mechanism 4, a measuring mechanism 5, a connecting mechanism 7 and a microscope 6. The first moving mechanism 2 is arranged at the upper end of the cabinet body 1 and is used for driving the vertical moving mechanism 3 to move along the moving direction of the vertical moving mechanism. The vertical moving mechanism 3 is arranged at the output end of the first moving mechanism 2 and is used for adjusting the position of the clamping mechanism 4 in the vertical direction. The clamping mechanism 4 is arranged at the output end of the vertical moving mechanism 3 and is used for clamping one end of the turbine blade and adjusting the posture of the turbine blade. The measuring mechanism 5 is arranged at the upper end of the cabinet body 1, and the moving direction of the measuring mechanism is mutually perpendicular to the moving direction of the first moving mechanism 2, and is used for measuring the outline structure of the other end of the turbine blade. The connecting mechanism 7 is arranged at the upper end of the cabinet body 1 and is used for fixing the microscope 6. The microscope 6 is provided on the connection mechanism 7 for observing the gap between the measuring mechanism 5 and the other end edge of the turbine blade, which is a conventional microscope or an electron microscope.
The embodiment of the embodiment is that the clamping mechanism 4 is adjusted according to the structure of the blade, then the blade is clamped on the clamping mechanism 4, the posture of the blade is adjusted according to actual conditions, after the blade is adjusted, the sensor 525 arranged on the measuring mechanism 5 is adjusted according to the appearance structure of the blade, after the position adjustment of the blade and the sensor 525 is completed, the clearance between the blade and the sensor 525 is finely adjusted through the first moving mechanism 2, and after the adjustment is completed, the outline of the end face of the blade is measured through the mutual cooperation of the vertical moving mechanism 3 and the measuring mechanism 5.
As shown in fig. 2-4, the first moving mechanism 2 includes a first moving bottom plate 200 mounted at the upper end of the cabinet body 1, a pair of first moving end plates 201 are mounted at two ends of the first moving bottom plate 200 in the length direction, a first moving buckle cover 202 is disposed between the first moving end plates 201, a first moving motor 203 is mounted on one of the first moving end plates 201, a first coupling 204 is connected to an output shaft of the first moving motor 203, a first lead screw 205 is connected to the first coupling 204, first bearing seats 206 are respectively disposed at two ends of the first lead screw 205, first bearing seats 206 are respectively mounted on the first moving bottom plate 200, first moving seats 207 are disposed on the first lead screw 205, L-shaped sliding sleeves 212 are respectively disposed at two ends of the first moving seats 207, first guide rails are respectively sleeved at the lower ends of the L-shaped sliding sleeves 212, a mover is mounted at the lower side of the first moving bottom plate 200, a stator is mounted on the upper wall of the first moving bottom plate 200, the mover is matched with the stator for measuring the moving position of the first moving seats 207, first grooves 212 are respectively disposed at two sides of the first moving bottom plate 200, first side plates 212 are respectively provided with first side plates 212 and a first side plate 208 are respectively disposed at the same side as the first side plates 209, a first side plate 208 is mounted at the first side of the first side plate 209 is respectively adjacent to the first side plate 209, and a first side plate is respectively disposed at the first side of the first side plate 209 is adjacent to the first side plate 209. The embodiment adopts the first screw rod 205 transmission mode to improve the precision during adjustment, and simultaneously, a structure similar to a vernier caliper is also arranged for accurately adjusting, and the mover and the stator can clearly feed back the real-time adjustment distance through the cooperation of the mover and the stator, and the adjustment precision is ensured.
As shown in fig. 5 to 6, the vertical moving mechanism 3 includes a vertical plate 300 mounted on a first moving substrate 211, a pair of diagonal plates 308 are mounted on the back side of the vertical plate 300, the lower ends of the diagonal plates 308 are mounted on the first moving substrate 211, a vertical moving end plate 301 is mounted on one side of the upper end of the vertical plate 300, a vertical moving motor 302 is mounted on the vertical moving end plate 301, an output shaft of the vertical moving motor 302 is connected with a second coupling 303, a vertical screw rod 304 is disposed at the other end of the second coupling 303, second bearing seats 305 are mounted at two ends of the vertical screw rod 304, the second bearing seats 305 are mounted on the vertical plate 300, a vertical moving seat 306 is disposed on the vertical screw rod 304, a pair of vertical guide rails 307 are sleeved on the inner side of the vertical moving seat 306, the vertical guide rails 307 are mounted on the vertical plate 300, a second proximity switch 310 is mounted on the upper end and lower end of one side of the vertical plate 300, the second proximity switch 310 is mounted on the same side as the second sensing plate 309, and the second proximity switch 310 is matched with the second sensing plate 309 for judging the limit position of the vertical movement. In the embodiment, the transmission accuracy is improved by adopting the mode of transmission of the vertical screw rod 304. And the control of the adjustment height is facilitated by the second proximity switch 310 and the second sensing plate 309.
As shown in fig. 5 to 8, the clamping mechanism 4 includes a down-regulating member mounted on the vertical moving seat 306, a pitch regulating member is mounted on the down-regulating member, an end top member is mounted on the pitch regulating member, a clamping member is further disposed on the pitch regulating member, the down-regulating mechanism is used for regulating a position of the clamping member so as to regulate a position of a turbine blade clamped by the clamping member, the pitch regulating member is used for regulating a pitch angle of the clamping member so as to regulate a pitch angle of the turbine blade clamped by the clamping member, and the end top member acts on an end limit of a clamping end of the turbine blade clamped by the clamping member.
Specifically, the down-adjusting member includes an overhanging board 400 mounted at an outer side end of the vertical moving seat 306, a pair of through down-adjusting holes 401 are formed on the overhanging board 400, a down-adjusting screw rod 402 is respectively disposed in the down-adjusting holes 401, and a down-adjusting moving plate 403 is disposed at an upper end of the down-adjusting screw rod 402. The arrangement of the component is mainly used for facilitating the clamping operation of blades with different lengths, the application range is enlarged through the adjustment mode, and the adjustment is finished in the early stage of clamping, and the adjustment is performed by loosening the down-regulating screw rod 402 and then adjusting the position of the down-regulating movable plate 403.
The pitching adjusting member comprises a notch formed at one end of the downward adjusting moving plate 403, the notch of the downward adjusting moving plate 403 is connected with a hinged screw rod 404 through a first rotating pin, a pitching screw sleeve 405 is arranged at the upper end of the hinged screw rod 404, a rotating plate 406 is arranged at the upper end of the pitching screw sleeve 405, a pair of rotating protrusions 411 are arranged on the downward adjusting moving plate 403 in an extending mode, the rotating protrusions 411 are respectively connected with a pitching bottom plate 409 through a second rotating pin, a pair of rotating holes 410 are formed in the pitching bottom plate 409, the rotating plate 406 penetrates through the rotating holes 410, the pitching bottom plate 409 is of a rectangular structure, a notch is formed in one corner of the pitching bottom plate 409, the inner side end of the rotating plate 406 is hinged to the notch, an outer plate 408 is connected to the outer side end of the rotating plate 406 through a third rotating pin, the outer plate 408 is arranged at the notch, and the axial directions of the third rotating pin and the second rotating pin are parallel to each other. The member realizes pitching adjustment of the blades by adjusting the pitching angle of the pitching bottom plate 409, and facilitates clamping operation of blades with different appearance structures, and certainly facilitates later outer contour measurement operation, when the pitching screw sleeve 405 is rotated during adjustment, the pitching screw rod 404 moves upwards or downwards, so that the distance between the downregulating moving plate 403 and one end of the pitching bottom plate 409 is changed, the pitching bottom plate 409 is rotated around the axial direction of the second rotating pin by the change of the distance, and finally, the adjustment of the inclination angle of the pitching bottom plate 409 is realized, and the inclination angle of the blades clamped between the clamping members can be adjusted by the adjustment.
The end top component comprises an end top seat 412 which is arranged on the pitching bottom plate 409, an end top screw rod 413 is arranged on the end top seat 412, an end top block 415 is arranged at the inner side end of the end top screw rod 413, a guide protrusion 416 penetrates through the lower end of the end top block 415, and the guide protrusion 416 is arranged on the pitching bottom plate 409. The arrangement of the component can limit the root of the blade when clamping the blade, and can also realize tiny adjustment of the gap between the blade and the sensor in an inner roof mode.
The clamping member includes the I-shaped groove 417 that takes shape in pitch bottom plate 409 upper end, and a grip block 418 is installed respectively at the both ends of I-shaped groove 417, is equipped with the centre gripping lead screw 419 between the grip block 418, and the screw thread at centre gripping lead screw 419 both ends revolves to opposite, and the one end of centre gripping lead screw 419 is connected with clamping head 420, and the both ends of centre gripping lead screw 419 are equipped with a grip block 421 respectively, and the inner wall of grip block 421 is equipped with the centre gripping decorative pattern. The arrangement of the members ensures the centering of the blade after clamping by means of simultaneous clamping on both sides and improves the stability of clamping, while facilitating the clamping operation and thus the clamping pattern on the clamping plate 412 in order to improve the stability of clamping.
As shown in fig. 9 to 10, the measuring mechanism 5 comprises a supporting table 500 mounted at the upper end of the cabinet body 1, a measuring end plate 501 is mounted at two ends of the upper end of the supporting table 500 in the length direction, a cover 502 is arranged between the measuring end plates 501, a measuring motor 503 is mounted on one measuring end plate 501, an output shaft of the measuring motor 503 is connected with a measuring coupler 504, a measuring moving screw 505 is arranged at the other end of the measuring coupler 504, measuring bearing seats 506 are mounted at two ends of the measuring moving screw 505, the measuring bearing seats 506 are mounted on the supporting table 500, a measuring seat 507 is mounted on the measuring moving screw 505, a third sensing plate 508 is mounted at two ends of one side of the measuring seat 507, a third proximity switch 509 is mounted at the same side as the third sensing plate 508 at two ends of the supporting table 500, the third proximity switch 509 and the third sensing plate 508 are mutually matched to judge the limit moving position of the measuring seat 507, the lower end of the measuring seat 507 is sleeved with a pair of measuring guide rails 511, the measuring guide rails 511 are all installed at the upper end of the supporting table 500, measuring moving grooves 510 are formed at two sides of the supporting table 500, two sides of the measuring seat 507 are all arranged in the measuring moving grooves 510, a measuring bottom plate 512 is installed at the upper end of the measuring seat 507, a manual rotary table 513 is arranged on the measuring bottom plate 512, the manual rotary table 513 performs 360-degree rough adjustment through a first micrometer card 514, the manual rotary table 513 performs angle fine adjustment through a second micrometer card 515, a lower lining plate 517 is installed at the upper end of the manual rotary table 513, a pair of locking screws 518 are arranged on the lower lining plate 517, a folded fixing plate 519 is arranged on the locking screws 518, a pair of key-shaped holes 520 are arranged on the horizontal section of the folded fixing plate 519, the locking screws 518 are all penetrated in the key-shaped holes 520, a pair of vertical holes 521 are formed on the vertical section of the folded fixing plate 519, the middle position department has still seted up the well groove on the vertical section of roll over shape fixed plate 519, a pair of embedded groove 524 has been seted up to the inboard of the vertical section of roll over shape fixed plate 519, embedded groove 524 and key hole 520 one-to-one, and embedded groove 524 communicates in the key hole 520 rather than corresponding, be equipped with a dog in the embedded groove 524 respectively, all be equipped with the tensioning lead screw 523 on the dog, be equipped with the tensioning outer seat 522 on the tensioning lead screw 523, the both ends of tensioning outer seat 522 all are equipped with a pair of spacing protruding, spacing protruding wears in key hole 520, the intermediate position department of tensioning outer seat 522 installs inductor 525, the both ends of inductor 525 all are visited in roll over shape fixed plate 519.
In the embodiment, the position of the sensor 525 is driven to be adjusted by a transmission mode of the measuring moving screw 505, the outer contour of the end part of the blade is measured by the sensor 525 in movement, and meanwhile, the accuracy and the stability in measurement are improved by the transmission mode.
In the present embodiment, when the position of the sensor 525 is adjusted, the deflection of the sensor 525 is adjusted by the AKR high-precision manual rotation table 513, and the accuracy of the deflection angle adjustment is improved by the manual rotation table 513.
In this embodiment, when the height and the forward extending position of the inductor 525 are adjusted, the purpose of adjusting the position of the inductor is achieved by loosening the locking screw 518 and then adjusting the position of the double-folded fixing plate 519, and when the height is adjusted, the screw 523 is loosened and then the height of the inductor 525 is adjusted, so that the two adjustment modes are convenient to operate and easy to implement.
As shown in fig. 11-13, the connection mechanism 7 comprises a vertical rod 700 fixed at the upper end of the cabinet body 1 through a mounting seat, a plurality of circles of positioning holes 701 are formed in the outer wall of the vertical rod 700 in an array mode at equal intervals along the axial direction of the vertical rod 700, the positioning holes 701 on each circle are all arranged on the vertical rod 700 in a circular array mode, a sleeve 702 is sleeved on the vertical rod 700, lantern rings 703 are mounted at the upper end and the lower end of the sleeve 702, hinging seats 704 are arranged on the outer wall of the lantern rings 703 in a circular array mode, hinging rotating plates 705 are hinged at the outer side ends of the hinging seats 704, positioning inserting rods 707 are arranged at the other ends of the hinging rotating plates 705, wedge plates 706 are arranged on the outer side ends of the wedge plates 706, rotating circular truncated cones 708 are arranged at the large ends, rotating circular cones 708 are arranged at the two ends of the rotating circular cones 708, external pulling screws 710 are arranged on the rotating inner cones 709, external pulling bulges 712 are arranged at the inner side ends of the external pulling bulges 711, the positioning inserting rods 707 are arranged at the same height, the number of the positioning inserting rods 707 corresponds to the number of the positioning holes 701 in the circular cones, and the positioning inserting rods 701 are arranged in a corresponding positioning inserting rods 707, and the positioning inserting rods are positioned in a corresponding positioning inserting rods position corresponding position to the positioning holes 701 are positioned in a corresponding positioning inserting rods position and have a positioning inserting rods positioning holes position corresponding positioning holes.
The outer wall of the rotary round table 708 is formed with a rotary ring groove, a rotary ring 713 is arranged in the rotary ring groove, an extension plate 714 is arranged on the periphery of the rotary ring 713, round head plates 715 are arranged at the upper end and the lower end of the rotary round table 708 in a circumferential array, an inner jacking hole 716 is formed in the extension plate 714, a pair of spring pins 717 are arranged in the inner jacking hole 716, springs 730 are sleeved at the outer side ends of the spring pins 717, an inner top plate 718 is sleeved on the spring pins 717, the inner top plate 718 is located at the inner side end of the springs 730, an inner jacking clamping plate 719 is arranged at the upper end of the inner top plate 718, round head grooves are formed in the inner jacking clamping plate 719, and the round head plates 715 penetrate through the round head grooves.
The outer wall upper end of interior roof 718 is equipped with a pair of protruding board 720 that stretches out, be equipped with peg 721 between the other end of protruding board 720, hang and establish riser 722 is all installed to both sides about the outside end of epitaxial board 714, the outer wall of each string establishing riser 722 is equipped with a pair of string establishing end plate 723, all be equipped with a pair of pole 724 of wearing between the end plate 723 of wearing to every, all overlap on each pole 724 and be equipped with holding down plate 726, holding down plate 726 outer wall all is equipped with down spring 725, down spring 725 all overlaps and locates on wearing pole 724, down press the hole has all been seted up on the string establishing riser 722, the inboard end of holding down plate 726 wears in down press the hole, the inboard end of holding down plate 726 is equipped with and hangs establishes the board, the U-shaped groove has been seted up to the lower wall of hanging the board. Microscope 6 is secured to the end of epitaxial plate 714 by a connector.
In this embodiment, when the height of the microscope is fixed, the external pulling screw 710 is rotated, so that the external pulling screw 710 drives the external pressing ring 712 to move outwards, and when the external pressing ring 712 moves outwards, the external pressing ring 712 acts on the wedge plate 706, so that the hinged rotating plate 705 rotates around the hinged seat 704, and meanwhile, the positioning inserting rod 707 is inserted into the positioning hole 701 at the corresponding position, so that the height of the microscope is locked, the locking is convenient to adjust, and the stability after locking is strong.
In this embodiment, when the adjustment of the deflection angle of the microscope is performed, the inner top clamping plate 719 is pulled outwards, the round head plate 715 is moved out of the round head groove, the hanging rod 721 is arranged in the U-shaped groove in a penetrating mode, the spring 730 is in a compressed state, after the adjustment is completed, the fixing of the hanging rod 721 is canceled, the inner top clamping plate 719 moves inwards under the action of the spring 730, the round head plate 715 is made to penetrate into the corresponding round head groove, and the locking of the deflection angle of the microscope is completed.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. The turbine blade end face outline measuring device is characterized by comprising a cabinet body (1), a first moving mechanism (2), a vertical moving mechanism (3), a clamping mechanism (4), a measuring mechanism (5), a connecting mechanism (7) and a microscope (6);
the first moving mechanism (2) is arranged at the upper end of the cabinet body (1) and is used for driving the vertical moving mechanism (3) to move along the moving direction of the vertical moving mechanism;
the vertical moving mechanism (3) is arranged at the output end of the first moving mechanism (2) and is used for adjusting the position of the clamping mechanism (4) in the vertical direction;
the clamping mechanism (4) is arranged at the output end of the vertical moving mechanism (3) and is used for clamping one end of the turbine blade and adjusting the attitude of the turbine blade, and comprises a down-regulating component arranged at the output end of the vertical moving mechanism (3), a pitching regulating component is arranged on the down-regulating component, an end top component is arranged on the pitching regulating component, a clamping component is further arranged on the pitching regulating component, the down-regulating mechanism is used for regulating the position of the clamping component so as to regulate the position of the turbine blade clamped by the clamping component, the pitching regulating component is used for regulating the pitching angle of the clamping component so as to regulate the pitching angle of the turbine blade clamped by the clamping component, and the end top component acts on the end limit of the clamping end of the turbine blade clamped by the clamping component;
the measuring mechanism (5) is arranged at the upper end of the cabinet body (1) and is perpendicular to the moving direction of the first moving mechanism (2) and used for measuring the outline structure of the other end of the turbine blade;
the connecting mechanism (7) is arranged at the upper end of the cabinet body (1) and is used for fixing the microscope (6);
the microscope (6) is arranged on the connecting mechanism (7) and is used for observing the gap between the measuring mechanism (5) and the edge of the other end of the turbine blade, and is a conventional microscope or an electron microscope;
the lower adjusting component comprises an overhanging board (400) arranged at the outer side end of the vertical moving seat (306), a pair of through lower adjusting holes (401) are formed in the overhanging board (400), a lower adjusting screw rod (402) is respectively arranged in each lower adjusting hole (401), and a lower adjusting moving board (403) is arranged at the upper end of each lower adjusting screw rod (402);
the pitching adjusting member comprises a notch formed at one end of a downward adjusting moving plate (403), the notch of the downward adjusting moving plate (403) is connected with a hinged screw rod (404) through a first rotating pin, the upper end of the hinged screw rod (404) is provided with a pitching screw sleeve (405), the upper end of the pitching screw sleeve (405) is provided with a rotating plate (406), a pair of rotating protrusions (411) are upwards arranged on the downward adjusting moving plate (403) in an extending mode, the rotating protrusions (411) are respectively connected with a pitching bottom plate (409) through a second rotating pin, a pair of rotating holes (410) are formed in the pitching bottom plate (409), the rotating plate (406) penetrates through the rotating holes (410), the pitching bottom plate (409) is of a rectangular structure, a notch is formed in one corner of the pitching bottom plate, the inner side end of the rotating plate (406) is hinged to the notch, the outer side end of the rotating plate (406) is connected with an outer plate (408) through a third rotating pin, the outer plate (408) is mounted at the notch, and the third rotating pin and the axial directions of the third rotating pin and the second rotating pin are mutually parallel.
2. Turbine blade end face contour measuring device according to claim 1, characterized in that the first displacement mechanism (2) is position-adjusted by means of a first screw.
3. Turbine blade end face contour measuring device according to claim 1, characterized in that the vertical displacement mechanism (3) is position-adjusted by means of a second screw.
4. The turbine blade end face outline measuring device according to claim 1, wherein the measuring mechanism (5) is used for position adjustment through a third screw, a manual rotary table (513) is arranged at the output end of the third screw, and an inductor (525) is arranged on the manual rotary table (513).
5. The turbine blade end face outline measuring device according to claim 1, wherein the end top component comprises an end top seat (412) mounted on the pitching bottom plate (409), an end top screw rod (413) is arranged on the end top seat (412), an end top block (415) is arranged at the inner side end of the end top screw rod (413), a guide protrusion (416) penetrates through the lower end of the end top block (415), and the guide protrusion (416) is mounted on the pitching bottom plate (409).
6. The turbine blade end face outline measuring device according to claim 5, wherein the clamping member comprises an I-shaped groove (417) formed at the upper end of the pitching bottom plate (409), two ends of the I-shaped groove (417) are respectively provided with a clamping seat (418), a clamping screw rod (419) is arranged between the clamping seats (418), threads at two ends of the clamping screw rod (419) are opposite in rotation direction, one end of the clamping screw rod (419) is connected with a clamping head (420), two ends of the clamping screw rod (419) are respectively provided with a clamping plate (421), and the inner wall of the clamping plate (421) is provided with clamping patterns.
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| CN202210120282.3A CN114509015B (en) | 2022-02-09 | 2022-02-09 | Turbine blade end face clearance influence assessment device |
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| CN202210120282.3A CN114509015B (en) | 2022-02-09 | 2022-02-09 | Turbine blade end face clearance influence assessment device |
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| CN114509015B true CN114509015B (en) | 2023-08-08 |
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| CN114509015A (en) | 2022-05-17 |
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