CN108020140B - measuring device for comprehensive detection of inner tenon and mortise of large-diameter thin-wall rectifier ring - Google Patents
measuring device for comprehensive detection of inner tenon and mortise of large-diameter thin-wall rectifier ring Download PDFInfo
- Publication number
- CN108020140B CN108020140B CN201711206079.3A CN201711206079A CN108020140B CN 108020140 B CN108020140 B CN 108020140B CN 201711206079 A CN201711206079 A CN 201711206079A CN 108020140 B CN108020140 B CN 108020140B
- Authority
- CN
- China
- Prior art keywords
- positioning
- measuring
- ring
- meter
- mortise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The measuring device for the comprehensive detection of the inner mortise of the large-diameter thin-wall rectifier ring comprises a positioning seat, an adapter and a measuring mechanism, wherein the positioning seat comprises a base for supporting the rectifier ring to be measured during measurement, a positioning ring for restraining the rectifier ring to be measured and a centering sleeve matched with the measuring mechanism for positioning, the adapter comprises a measuring gauge body, an adjusting nut, a pull rod and a pressing plate, the measuring gauge body is combined with the inner mortise of the rectifier ring to be measured during measurement and can reflect the measuring position of the inner mortise, and the measuring mechanism comprises a cross beam, a positioning block, a positioning plate, a first gauge stand, a first measuring assembly, a second gauge stand, a second measuring assembly, a third gauge stand and a first positioning pin. The positioning seat arranged in the measuring device not only effectively solves the deformation problem of the rectifier ring to be measured in the detection process, but also can improve the reliability of positioning.
Description
Technical Field
The invention belongs to a measuring instrument, and particularly relates to a comprehensive measuring device for detecting multiple technical requirements of an inner tenon groove inclination angle, a center distance, a groove bottom inclination, a radial deviation and the like of a large-diameter thin-wall rectifier ring in an aircraft engine.
Background
The rectifier ring in the aircraft engine is an important part of the aircraft engine, and whether the inclination angle, the center distance, the groove bottom inclination and the radial deviation of the inner mortise meet the requirements or not relates to whether the engine can normally work or not. The diameter of the rectifier ring of the engine is large and the wall is thin, so that clamping and positioning of the rectifier ring to be detected are difficult points during detection, a special matched detection device is not disclosed in the prior art, an existing measuring device is directly placed on the rectifier ring to perform detection during actual detection, and the problems that the rectifier ring to be detected is easy to deform, poor in positioning reliability, limited in spatial position, low in detection efficiency and the like exist.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a measuring device for the comprehensive detection of an inner tenon groove of a large-diameter thin-wall rectifier ring, so that the rectifier ring is not deformed in the detection process and the positioning reliability and the detection efficiency are improved.
The invention relates to a measuring device for the comprehensive detection of an inner tongue-and-groove of a large-diameter thin-wall rectifier ring, which consists of a positioning seat, an adapter and a measuring mechanism; the positioning seat comprises a base for supporting the rectifier ring to be measured during measurement, a positioning ring for restraining the rectifier ring to be measured and a centering sleeve matched with the measuring mechanism for positioning; the base is composed of a base body, a sleeve body and at least three rib plates, wherein the base body is a hollow step round table with a small upper part and a large lower part, the ring surface G at the upper end of the base body is a reference surface for placing the positioning end surface P of the rectifier ring to be detected, the sleeve body is a cylinder, the sleeve body is positioned in an inner hole of the base body, the central line of the sleeve body is superposed with the central line of the base body, and the rib plates are uniformly distributed between the inner wall of the base body and the outer wall of; the positioning ring is a circular ring, the inner hole of the positioning ring is a stepped hole with a small upper part and a large lower part, the inner diameter of the upper section of the stepped hole is matched with the outer diameter of the rectifier ring to be measured, the height and the inner diameter of the lower section of the stepped hole are matched with the height and the outer diameter of the upper section of the seat body, the lower section of the stepped hole of the positioning ring is sleeved on the upper section of the seat body, and the positioning ring is fixedly connected with the lower section of the seat body through; the outer diameter of the lower section of the centering sleeve is the same as the nominal size of the inner diameter of the sleeve body and is in static fit with the inner diameter of the sleeve body, and the centering sleeve is fixed on the sleeve body through the combination of the lower section of the centering sleeve and the sleeve body;
the adapter comprises a gauge body, an adjusting nut, a pull rod and a pressing plate, wherein the gauge body is combined with an inner mortise of a rectifier ring to be measured during measurement and can reflect the measurement position of the inner mortise; the measuring gauge body is provided with a first reference surface A, a second reference surface B and a third reference surface C, the second reference surface B and the third reference surface C are respectively positioned at the left side and the right side of the first reference surface A and are perpendicular to the first reference surface A, the included angle alpha between the top surface positioned at the upper end of the first reference surface A and the second reference surface B or the third reference surface C is equal to the inclined angle theta of the mortise in the rectifier ring to be measured, and the included angle epsilon between the two side surfaces of the opposite surface M of the first reference surface A is the same as the included angle beta between the two side surfaces of the mortise in the rectifier ring to be measured; the gauge body is also provided with a pull rod mounting hole, and the center line of the pull rod mounting hole is positioned on the symmetrical plane of the second reference plane B and the third reference plane C; the pull rod is movably matched with a pull rod mounting hole arranged on the gauge body, and a threaded section is arranged at one end of the pull rod; the pull rod is arranged in a pull rod mounting hole arranged on the gauge body, the thread section of the pull rod faces a first reference surface A, the adjusting nut is arranged on the thread section of the pull rod, and the pressing plate is arranged on the top surface of the opposite surface M of the first reference surface A;
The measuring mechanism comprises a cross beam, and a positioning block, a positioning plate, a first meter frame, a first measuring component, a second meter frame, a second measuring component, a third meter frame and a first positioning pin which are arranged on the cross beam; the mounting positions of the positioning block and the positioning plate on the cross beam correspond to the placing positions of the rectifier ring to be measured on the positioning seat during measurement; the mounting positions of the first meter frame, the second meter frame and the third meter frame on the cross beam correspond to the positions of the adapters during measurement, the first measuring component is mounted at the position of the second meter frame and combined with the second meter frame, the second measuring component is mounted at the position of the third meter frame and combined with the third meter frame, and the mounting position of the first positioning pin on the cross beam corresponds to the mounting hole position of the second measuring component on the cross beam.
In the measuring device for the comprehensive detection of the inner mortise and tenon of the large-diameter thin-wall rectifier ring, two second positioning pins are arranged on the positioning plate, the two second positioning pins are axially symmetrically distributed relative to the central line of the cross beam, and the distance L2 between the central lines of the two second positioning pins is less than the diameter of the hole diameter d2 of the centering sleeve and the diameter of the second positioning pin; the structure is beneficial to improving the reliability of the positioning of the thin-wall rectifier ring during detection.
In the measuring device for the comprehensive detection of the inner tongue-and-groove of the large-diameter thin-wall rectifier ring, the first meter frame is of a T-shaped structure, and a first dial indicator mounting hole is formed in the lower section of the first meter frame; the second meter frame is of a door-shaped structure, and the lower sections of the two side walls of the door are respectively provided with a second dial indicator mounting hole and a third dial indicator mounting hole; the third meter frame is of a door-shaped structure, the lower sections of the two side walls of the door are respectively provided with a third positioning pin and a fourth positioning pin, the lower end of one side wall of the door extends to form a lug, and the lug is provided with a fourth dial meter mounting hole; the structures of the first meter frame, the second meter frame and the third meter frame are convenient for detection and positioning.
In the measuring device for the comprehensive detection of the inner tongue and groove of the large-diameter thin-wall rectifier ring, the first measuring component comprises a first meter clamp component, a first measuring rod inserted in the first meter clamp component and a first nut combined with the first meter clamp component; the second measuring assembly comprises a second meter clamp assembly, a second measuring rod inserted in the second meter clamp assembly and a second nut combined with the second meter clamp assembly.
in the measuring device for the comprehensive detection of the inner tenon and mortise of the large-diameter thin-wall rectifier ring, four first notches which are uniformly distributed are formed in the annular surface of the upper end of the seat body, and four second notches which are uniformly distributed are formed in the annular surface of the upper end of the positioning ring; the arrangement of the first notch and the second notch is more convenient for placing and taking the thin-wall rectifier ring to be measured on the positioning seat.
Compared with the prior art, the invention has the following beneficial effects:
1. because the measuring device is provided with the positioning seat, the structure of the positioning seat not only effectively solves the deformation problem of the rectifier ring to be measured in the detection process, but also can improve the reliability of positioning.
2. Because the base body and the positioning ring of the positioning seat base in the measuring device are respectively provided with the four notches which are uniformly distributed, the thin-wall rectifier ring to be measured can be more conveniently placed on and taken from the positioning seat.
3. during detection, the measuring mechanism in the measuring device is placed on the reference surface of the centering sleeve of the positioning seat to measure, so that the centering is stable and reliable, the size of the measuring mechanism can be reduced, and the structure of the measuring mechanism is more compact.
4. the adapter in the measuring device can be used for switching each part to be measured of the mortise in the rectifier ring to measure, so that the measuring operation is simple, the measurement is visual, and the reading is convenient.
5. The third frame of the measuring mechanism in the measuring device can be replaced and is provided with the first positioning pin, so that the measuring device can realize the measurement of a plurality of stages of rectifier rings, and has universality.
Drawings
FIG. 1 is a schematic diagram of a rectifier ring under test;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a cross-sectional view E-E of FIG. 1;
FIG. 4 is a schematic structural diagram of a measuring device for comprehensive detection of inner mortises of a large-diameter thin-wall rectifier ring and a schematic placement diagram of the rectifier ring to be detected in the measuring device;
FIG. 5 is a schematic view of one configuration of a measuring mechanism;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a cross-sectional view B-B of FIG. 6;
FIG. 8 is a cross-sectional view C-C of FIG. 6;
FIG. 9 is a schematic view of a structure of the positioning seat;
FIG. 10 is a schematic view of an adapter in one configuration;
FIG. 11 is a right side view of FIG. 10;
FIG. 12 is a sectional view A-A of FIG. 11;
FIG. 13 is a schematic diagram of a master device for calibrating a dial indicator;
Fig. 14 is a sectional view a-a of fig. 13.
In the figure, 1 positioning seat, 1-1 positioning ring, 1-1-1 second notch, 1-2 base, 1-2-1 base body, 1-2-2 sleeve body, 1-2-3 rib plate, 1-2-4 first notch, 1-3 centering sleeve, 2 measuring mechanism, 2-1 cross beam, 2-2 positioning block, 2-3 positioning plate, 2-3-1 second positioning pin, 2-4 first dial gauge frame, 2-4-1 first dial gauge mounting hole, 2-5 second dial gauge frame, 2-5-1 second dial gauge mounting hole, 2-5-2 third dial gauge mounting hole, 2-6 first measuring component, 2-6-1 first nut, 2-6-2 first gauge clamp component, 2-6-3 of a first measuring rod, 2-7 of a second measuring component, 2-7-1 of a second nut, 2-7-2 of a second meter clamp component, 2-7-3 of a second measuring rod, 2-8 of a third meter frame, 2-8-1 of a third positioning pin, 2-8-2 of a fourth positioning pin, 2-8-3 of a fourth dial indicator mounting hole, 2-9 of a first positioning pin, 3 of an adapter, 3-1 of a measuring gauge body, 3-2 of an adjusting nut, 3-3 of a pull rod, 3-4 of a pressure plate, 4 of a detected rectifier ring, 4-1 of an inner mortise, 5 of a standard component device, 5-1 of a positioning component and 5-2 of a calibration component.
Detailed Description
the measuring device for the comprehensive detection of the inner mortise of the large-diameter thin-wall rectifier ring and the method for detecting the inner mortise of the rectifier ring by using the measuring device are further described by the embodiment and the attached drawings.
the measuring device of the present embodiment is used for detecting the inner mortise 4-1 of the engine rectifier ring 4 shown in fig. 1, 2 and 3, the outer diameter d1 of the engine rectifier ring is 637mm, the wall thickness h is 1.95mm, and the following dimensions and technical requirements are detected: the angle of inclination θ of the dovetail mortise shown in FIG. 1; center-to-center distance L1 shown in FIG. 2; the inclination error of the groove base and the radial deviation of the groove (the deviation of the groove over a length of 100mm in a plane parallel to the end faces of the commutator ring is not more than 0.4 mm).
In this embodiment, the measuring device for the comprehensive detection of the inner mortise and tenon of the large-diameter thin-wall rectifier ring is composed of a positioning seat 1, an adapter 3 and a measuring mechanism 2, as shown in fig. 4.
the positioning seat 1 is shown in fig. 9 and comprises a base 1-2, a positioning ring 1-1 and a centering sleeve 1-3; the base 1-2 is composed of a base body 1-2-1, a sleeve body 1-2-2 and five rib plates 1-2-3, wherein the base body 1-2-1 is a hollow step round table with a small upper part and a large lower part, an upper end ring surface G is a reference surface for placing a positioning end surface P of a rectifier ring to be tested, four first notches 1-2-4 which are uniformly distributed are arranged on the base body, the sleeve body 1-2-2 is a cylinder body, the sleeve body is positioned in an inner hole of the base body 1-2-1, the central line of the sleeve body is superposed with the central line of the base body, and the five rib plates 1-2-3 are uniformly distributed between the inner wall of the base body and the outer wall of the sleeve; the positioning ring 1-1 is a circular ring, the upper end ring surface of the positioning ring is provided with four second notches 1-1-1 which are uniformly distributed, the inner hole of the positioning ring is a stepped hole with a small upper part and a large lower part, the inner diameter D of the upper section of the stepped hole is matched with the outer diameter D1 of the rectifier ring to be measured (namely, the nominal size is the same, the dynamic fit is realized, and the annular inner wall F of the upper section of the stepped hole is a positioning reference surface during measurement), the height of the lower section of the stepped hole is matched with that of the upper section of the seat body, the inner diameter of the lower section of the stepped hole is matched with the outer diameter of the upper section of the seat body (namely, the nominal size is the same, the dynamic fit is realized), the lower section of the stepped hole of the positioning ring is sleeved on the; the outer diameter of the lower section of the centering sleeve 1-3 is the same as the nominal size of the inner diameter of the sleeve body 1-2-2 and is in static fit, the centering sleeve is fixed on the sleeve body through the combination of the lower section of the centering sleeve and the sleeve body, and the top surface E of the centering sleeve is a positioning reference surface during measurement.
The adapter 3 is shown in fig. 10, 11 and 12 and comprises a measuring gauge body 3-1, an adjusting nut 3-2, a pull rod 3-3 and a pressure plate 3-4; the measuring gauge body is provided with a first reference surface A, a second reference surface B and a third reference surface C, the second reference surface B and the third reference surface C are respectively positioned at the left side and the right side of the first reference surface A and are perpendicular to the first reference surface A, the included angle alpha between the top surface positioned at the upper end of the first reference surface A and the second reference surface B or the third reference surface C is equal to the inclined angle theta of the mortise in the rectifier ring to be measured, and the included angle epsilon between the two side surfaces of the opposite surface M of the first reference surface A is the same as the included angle beta between the two side surfaces of the mortise in the rectifier ring to be measured; the gauge body 3-1 is also provided with a pull rod mounting hole, and the center line of the pull rod mounting hole is positioned on the symmetrical plane of the second reference plane B and the third reference plane C; the pull rod 3-3 is movably matched with a pull rod mounting hole arranged on the gauge body, and a threaded section is arranged at one end of the pull rod; the pull rod 3-3 is arranged in a pull rod mounting hole arranged on the gauge body, the thread section of the pull rod faces to a first reference surface A, the adjusting nut 3-2 is arranged on the thread section of the pull rod, and the pressing plate 3-4 is arranged on the top surface of the first reference surface A, which is opposite to the surface M.
The measuring mechanism 2 is shown in fig. 5 and 6 and comprises a cross beam 2-1, a positioning block 2-2, a positioning plate 2-3, a first meter frame 2-4, a first measuring component 2-6, a second meter frame 2-5, a second measuring component 2-7, a third meter frame 2-8 and a first positioning pin 2-9, wherein the positioning block 2-2 is arranged on the cross beam; the first meter frame 2-4 is of a T-shaped structure, and a first dial indicator mounting hole 2-4-1 (see fig. 5 and 6) is formed in the lower section of the first meter frame; the second meter frame 2-5 is of a door-shaped structure, and the lower sections of the two side walls of the door are respectively provided with a second dial indicator mounting hole 2-5-1 and a third dial indicator mounting hole 2-5-2 (see figure 7); the third meter support 2-8 is of a door-shaped structure, the lower sections of two side walls of the door are respectively provided with a third positioning pin 2-8-1 and a fourth positioning pin 2-8-2, the lower end of one side wall of the door extends to form a lug, and the lug is provided with a fourth dial indicator mounting hole 2-8-3 (see figure 8); the first measuring assembly 2-6 comprises a first meter clamp assembly 2-6-2, a first measuring rod 2-6-3 inserted in the first meter clamp assembly and a first nut 2-6-1 combined with the first meter clamp assembly (see figure 7); the second measuring component 2-7 comprises a second meter clamp component 2-7-2, a second measuring rod 2-7-3 inserted in the second meter clamp component and a second nut 2-7-1 combined with the second meter clamp component (see figure 8); the mounting positions of the positioning block 2-2 and the positioning block 2-3 on the beam correspond to the placing positions of the rectifier ring to be measured on the positioning seat 1 during measurement (see fig. 4), two second positioning pins 2-3-1 are mounted on the positioning block 2-3 and are in axisymmetric distribution relative to the central line of the beam (see fig. 6), and the distance L2 between the central lines of the two second positioning pins is less than the aperture d2 of the centering sleeve and the diameter of the second positioning pin; the mounting positions of the first meter frame 2-4, the second meter frame 2-5 and the third meter frame 2-8 on the beam correspond to the position of the adapter 3 during measurement (see fig. 4), the first measuring component 2-6 is mounted at the position of the second meter frame 2-5 and combined with the second meter frame, the second measuring component 2-7 is mounted at the position of the third meter frame 2-8 and combined with the third meter frame, and the mounting position of the first positioning pin 2-9 on the beam corresponds to the mounting hole position of the second measuring component on the beam.
The operation steps of detecting the inner dovetail groove of the engine rectifier ring 4 using the measuring device in this embodiment are as follows:
1. The P end face of a rectifier ring 4 to be measured is placed on an upper end ring face G (reference face) of a base body 1-2-1 in a positioning seat base, then a gauge body 3-1 of an adapter is inserted into a mortise 4-1 of the rectifier ring to be measured, a pressing plate 3-4 of the adapter is made to be attached to the opposite face of the P end face of the rectifier ring to be measured (namely the other end face of the rectifier ring to be measured), an adjusting nut 3-2 of the adapter is screwed, the gauge body 3-1 moves towards the direction of the mortise relative to a pull rod 3-3 until an opposite face M of a reference face A of the gauge body 3-1 is tightly attached to the bottom face of the mortise 4-1, and two faces of the pull rod 3-3, which form an epsilon included angle, are tightly attached to two side faces of the mortise;
2. adjusting the dial indicator value of the dial indicator to zero position on a standard component device 5 shown in fig. 13 according to the detected size, technical requirements and corresponding indicator clamp orientation, then placing a positioning block 2-2 and a positioning plate 2-3 in the measuring mechanism on the top surface (namely a positioning reference surface E) of a centering sleeve 1-3 in a positioning seat, and enabling two second positioning pins 2-3-1 arranged on the positioning plate 2-3 to be positioned in an inner hole of the centering sleeve and abut against the inner wall of the centering sleeve (see fig. 4);
3. the lower end of a first measuring rod 2-6-3 of a first measuring component 2-6 and the lower end of a second measuring rod 2-7-3 of a second measuring component 2-7 in the measuring mechanism are in contact with the top surface of a measuring gauge body 3-1, and the inclination error of the bottom of the mortise can be measured through dial indicators arranged on the first gauge clamp component 2-6-2 and the second gauge clamp component 2-7-2;
4. the error of the mortise center distance L1 can be measured by contacting the dial indicator head arranged on the first gauge stand 2-4 with the first reference surface A of the gauge body 3-1;
5. the fourth positioning pin 2-8-2 arranged on the third gauge stand 2-8 is contacted with the third reference surface C of the gauge body 3-1, and the error of the inclination angle theta of the mortise can be measured through a dial indicator arranged on the second gauge stand 2-5;
6. the third positioning pin 2-8-1 and the fourth positioning pin 2-8-2 which are arranged on the third gauge stand 2-8 are respectively contacted with the second reference surface B and the third reference surface C of the gauge body 3-1, and the radial deviation of the mortise can be obtained through the difference between dial indicators arranged on the second gauge stand 2-5 and the third gauge stand 2-8.
Claims (9)
1. A measuring device for the comprehensive detection of an inner tongue-and-groove of a large-diameter thin-wall rectifier ring is characterized by consisting of a positioning seat (1), an adapter (3) and a measuring mechanism (2);
The positioning seat (1) comprises a base (1-2) for supporting the rectifier ring (4) to be measured during measurement, a positioning ring (1-1) for restraining the rectifier ring (4) to be measured and a centering sleeve (1-3) for positioning in cooperation with a measuring mechanism; the base (1-2) is composed of a base body (1-2-1), a sleeve body (1-2-2) and at least three rib plates (1-2-3), wherein the base body (1-2-1) is a hollow step round table with a small upper part and a large lower part, an upper end ring surface (G) of the base body is a reference surface for placing a positioning end surface (P) of a rectifier ring to be tested, the sleeve body (1-2-2) is a cylinder body, the sleeve body is positioned in an inner hole of the base body (1-2-1), the central line of the sleeve body is superposed with the central line of the base body, and the rib plates (1-2-3) are uniformly distributed between the inner wall of the base body and the outer wall of the sleeve body; the positioning ring (1-1) is a circular ring, the inner hole of the positioning ring is a stepped hole with a small upper part and a large lower part, the inner diameter of the upper section of the stepped hole is matched with the outer diameter of the rectifier ring to be measured, the height and the inner diameter of the lower section of the stepped hole are matched with the height and the outer diameter of the upper section of the seat body, the lower section of the stepped hole of the positioning ring is sleeved on the upper section of the seat body (1-2-1), and the positioning ring is fixedly connected with the lower section of the seat body (1-2-1) through a; the outer diameter of the lower section of the centering sleeve (1-3) is the same as the nominal size of the inner diameter of the sleeve body (1-2-2) and is in static fit with the inner diameter of the sleeve body, and the centering sleeve is fixed on the sleeve body through the combination of the lower section of the centering sleeve and the sleeve body;
the adapter (3) comprises a measuring gauge body (3-1), an adjusting nut (3-2), a pull rod (3-3) and a pressing plate (3-4), wherein the measuring gauge body is combined with an inner mortise of a rectifier ring to be measured during measurement and can embody the measuring position of the inner mortise; the measuring gauge body is provided with a first datum plane (A), a second datum plane (B) and a third datum plane (C), the second datum plane (B) and the third datum plane (C) are respectively positioned on the left side and the right side of the first datum plane (A) and are perpendicular to the first datum plane (A), an included angle (alpha) between the top surface positioned at the upper end of the first datum plane (A) and the second datum plane (B) or the third datum plane (C) is equal to an inclined angle (theta) of an inner mortise of a rectifier to be measured, and included angles (epsilon) of two side surfaces of an opposite surface (M) of the first datum plane (A) are the same as included angles (beta) between two side surfaces of the inner mortise of the rectifier to be measured; the gauge body (3-1) is also provided with a pull rod mounting hole, and the center line of the pull rod mounting hole is positioned on the symmetrical plane of the second datum plane (B) and the third datum plane (C); the pull rod (3-3) is movably matched with a pull rod mounting hole arranged on the gauge body, and a threaded section is arranged at one end of the pull rod; the pull rod (3-3) is arranged in a pull rod mounting hole arranged on the gauge body, the thread section of the pull rod faces a first reference surface (A), the adjusting nut (3-2) is arranged on the thread section of the pull rod, and the pressing plate (3-4) is arranged on the top surface of the opposite surface (M) of the first reference surface (A);
The measuring mechanism (2) comprises a cross beam (2-1), a positioning block (2-2), a positioning plate (2-3), a first meter frame (2-4), a first measuring component (2-6), a second meter frame (2-5), a second measuring component (2-7), a third meter frame (2-8) and a first positioning pin (2-9), wherein the positioning block (2-2) is arranged on the cross beam; the mounting positions of the positioning blocks (2-2) and the positioning plates (2-3) on the cross beam correspond to the placing positions of the rectifier ring to be measured on the positioning seat (1) during measurement; the mounting positions of the first meter frame (2-4), the second meter frame (2-5) and the third meter frame (2-8) on the beam correspond to the position of the adapter (3) during measurement, the first measuring component (2-6) is mounted at the position of the second meter frame (2-5) and combined with the second meter frame, the second measuring component (2-7) is mounted at the position of the third meter frame (2-8) and combined with the third meter frame, and the mounting position of the first positioning pin (2-9) on the beam corresponds to the mounting hole position of the second measuring component on the beam.
2. the measuring device for the comprehensive detection of the inner tenon and mortise of the large-diameter thin-wall rectifier ring according to claim 1, wherein two second positioning pins (2-3-1) are mounted on the positioning plate (2-3), the two second positioning pins are axially symmetrically distributed relative to the central line of the cross beam, and the distance (L2) between the central lines of the two second positioning pins is less than the aperture (d2) of the centering sleeve) -the diameter of the second positioning pin.
3. The measuring device for the comprehensive detection of the inner tenon and mortise of the large-diameter thin-wall rectifier ring according to claim 1 or 2, wherein the first meter frame (2-4) is of a T-shaped structure, and a first dial indicator mounting hole (2-4-1) is formed in the lower section of the first meter frame; the second dial indicator frame (2-5) is of a door-shaped structure, and the lower sections of the two side walls of the door are respectively provided with a second dial indicator mounting hole (2-5-1) and a third dial indicator mounting hole (2-5-2); the third meter frame (2-8) is of a door-shaped structure, the lower sections of the two side walls of the door are respectively provided with a third positioning pin (2-8-1) and a fourth positioning pin (2-8-2), the lower end of one side wall of the door extends to form a lug, and the lug is provided with a fourth dial meter mounting hole (2-8-3).
4. The measuring device for the comprehensive detection of the inner tenon and mortise of the large-diameter thin-wall rectifier ring according to the claim 1 or 2, wherein the first measuring component (2-6) comprises a first meter clamp component (2-6-2), a first measuring rod (2-6-3) inserted in the first meter clamp component and a first nut (2-6-1) combined with the first meter clamp component; the second measuring assembly (2-7) comprises a second meter clamp assembly (2-7-2), a second measuring rod (2-7-3) inserted in the second meter clamp assembly and a second nut (2-7-1) combined with the second meter clamp assembly.
5. The measuring device for the comprehensive detection of the inner tenon and mortise of the large-diameter thin-wall rectifier ring according to claim 3, wherein the first measuring component (2-6) comprises a first meter clamp component (2-6-2), a first measuring rod (2-6-3) inserted in the first meter clamp component and a first nut (2-6-1) combined with the first meter clamp component; the second measuring assembly (2-7) comprises a second meter clamp assembly (2-7-2), a second measuring rod (2-7-3) inserted in the second meter clamp assembly and a second nut (2-7-1) combined with the second meter clamp assembly.
6. the measuring device for the comprehensive detection of the inner tenon and mortise of the large-diameter thin-wall rectifier ring according to claim 1 or 2, wherein four first notches (1-2-4) are uniformly distributed on the annular surface of the upper end of the seat body (1-2-1), and four second notches (1-1-1) are uniformly distributed on the annular surface of the upper end of the positioning ring (1-1).
7. the measuring device for the comprehensive detection of the inner tenon and mortise of the large-diameter thin-wall rectifier ring according to claim 3, wherein the ring surface of the upper end of the seat body (1-2-1) is provided with four first notches (1-2-4) which are uniformly distributed, and the ring surface of the upper end of the positioning ring (1-1) is provided with four second notches (1-1-1) which are uniformly distributed.
8. The measuring device for the comprehensive detection of the inner tenon and mortise of the large-diameter thin-wall rectifier ring according to claim 4, wherein the ring surface of the upper end of the seat body (1-2-1) is provided with four first notches (1-2-4) which are uniformly distributed, and the ring surface of the upper end of the positioning ring (1-1) is provided with four second notches (1-1-1) which are uniformly distributed.
9. the measuring device for the comprehensive detection of the inner tenon and mortise of the large-diameter thin-wall rectifier ring according to claim 5, wherein the ring surface of the upper end of the seat body (1-2-1) is provided with four first notches (1-2-4) which are uniformly distributed, and the ring surface of the upper end of the positioning ring (1-1) is provided with four second notches (1-1-1) which are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711206079.3A CN108020140B (en) | 2017-11-27 | 2017-11-27 | measuring device for comprehensive detection of inner tenon and mortise of large-diameter thin-wall rectifier ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711206079.3A CN108020140B (en) | 2017-11-27 | 2017-11-27 | measuring device for comprehensive detection of inner tenon and mortise of large-diameter thin-wall rectifier ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108020140A CN108020140A (en) | 2018-05-11 |
| CN108020140B true CN108020140B (en) | 2019-12-06 |
Family
ID=62077172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711206079.3A Active CN108020140B (en) | 2017-11-27 | 2017-11-27 | measuring device for comprehensive detection of inner tenon and mortise of large-diameter thin-wall rectifier ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108020140B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556494A (en) * | 2018-11-27 | 2019-04-02 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of device and its application method that measurement tongue-and-groove is uniformly distributed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4412196A1 (en) * | 1994-04-08 | 1995-10-19 | Hofmann Werkstatt Technik | Measuring instrument axle attachment adaptor for motor vehicle wheel |
| CN201653336U (en) * | 2010-01-18 | 2010-11-24 | 成都发动机（集团）有限公司 | General measuring instrument of high pressure air compressor turntable mortise |
| CN202070717U (en) * | 2010-10-15 | 2011-12-14 | 中国南方航空工业(集团)有限公司 | Clamp for machining compressor rectifier of aircraft engine |
| CN102519414A (en) * | 2011-12-30 | 2012-06-27 | 成都发动机（集团）有限公司 | Inner diameter measurement device for commutator of high-pressure compressor |
| CN203772197U (en) * | 2014-04-21 | 2014-08-13 | 哈尔滨汽轮机厂有限责任公司 | Comprehensive measuring tool for wheel disc groove |
-
2017
- 2017-11-27 CN CN201711206079.3A patent/CN108020140B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4412196A1 (en) * | 1994-04-08 | 1995-10-19 | Hofmann Werkstatt Technik | Measuring instrument axle attachment adaptor for motor vehicle wheel |
| CN201653336U (en) * | 2010-01-18 | 2010-11-24 | 成都发动机（集团）有限公司 | General measuring instrument of high pressure air compressor turntable mortise |
| CN202070717U (en) * | 2010-10-15 | 2011-12-14 | 中国南方航空工业(集团)有限公司 | Clamp for machining compressor rectifier of aircraft engine |
| CN102519414A (en) * | 2011-12-30 | 2012-06-27 | 成都发动机（集团）有限公司 | Inner diameter measurement device for commutator of high-pressure compressor |
| CN203772197U (en) * | 2014-04-21 | 2014-08-13 | 哈尔滨汽轮机厂有限责任公司 | Comprehensive measuring tool for wheel disc groove |
Non-Patent Citations (1)
| Title |
|---|
| 涡轮盘榫槽综合测具的研究;宋慧军 等;《中国新技术新产品》;20121231(第18期);第133页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108020140A (en) | 2018-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108020140B (en) | measuring device for comprehensive detection of inner tenon and mortise of large-diameter thin-wall rectifier ring | |
| CN106017285A (en) | Verticality and symmetry degree testing tool for piston pin hole | |
| CN215177386U (en) | Double row angular contact groove position measuring instrument | |
| CN214980547U (en) | Clamp for eccentric measurement | |
| CN210441775U (en) | Position degree detection device | |
| CN210089584U (en) | Utensil is examined to synchronous ware sliding sleeve lock angle degree of depth degree | |
| CN211697246U (en) | Testing arrangement of concrete elastic modulus | |
| CN108871161B (en) | Detection tool assembly for detecting angle of small plane and use method thereof | |
| CN212458217U (en) | Special detection tool for depth of engine cylinder sleeve seat | |
| CN111678399A (en) | Checking fixture for rapidly detecting values of measuring points of automobile parts | |
| CN218443583U (en) | Special gauge for hole diameter of part spoke | |
| CN216432790U (en) | Measuring tool for measuring outer diameters of odd number equal-parting limiting convex rings in shallow spigot | |
| CN210664212U (en) | Double-point synchronous meter-making checking fixture for automotive interior parts | |
| CN110645869A (en) | Position degree detection device | |
| CN219656781U (en) | Shifting fork detection device | |
| CN110849246A (en) | Device and method for rapidly detecting size of inner arc of magnetic shoe | |
| CN112097588B (en) | High-precision quick measuring device for optical and mechanical parts of special-shaped wedge type assembly | |
| CN216205995U (en) | Self-centering hole position and groove size measuring device | |
| CN220454764U (en) | Bolt tension torque measuring device | |
| CN211651463U (en) | High-precision detection device for measuring outer diameter | |
| CN218847563U (en) | Testing device for static rigidity of thick and large part | |
| CN218566354U (en) | Integral type size deviation inspection frock | |
| CN221549633U (en) | Auxiliary detection device | |
| CN216081350U (en) | Taper measuring device | |
| CN220853362U (en) | Roundness detection device for disc sleeve type parts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |