Ultrasonic detection device and method for mounting edge of rear force-bearing frame casting

Abstract

The invention relates to the technical field of nondestructive testing, in particular to an ultrasonic testing device and method for a mounting edge of a rear force bearing frame casting. The ultrasonic detection device comprises a supporting plate; the motor is vertically mounted on the top surface of the supporting plate, and an output shaft of the motor is vertically upward; the shaft body is installed on the output shaft of the motor through a switching shaft sleeve, and the axis of the shaft body coincides with the axis of the output shaft of the motor; the rotating arm is horizontally mounted on the shaft body; and the probe hoop is mounted at the cantilever end of the rotating arm, and an ultrasonic probe is mounted on the probe hoop. The detection method adopts the ultrasonic detection device. The ultrasonic probe is moved in a motor driving mode, the scanning speed is ensured, the scanning distance is well controlled, and the problem that the mounting edge of the rear force bearing frame casting is difficult to control due to human factors during ultrasonic detection is solved.

Description

Technical Field

[0001] The invention relates to the technical field of nondestructive testing, and in particular to an ultrasonic testing device and method for the installation edge of a rear bearing frame casting. Background Art

[0002] With the continuous development of non-destructive technology, ultrasonic testing has been widely used in various fields, especially in the aerospace field.

[0003] Since the installation edge of the rear bearing frame is relatively thick, X-ray detection alone cannot guarantee the internal metallurgical quality requirements, so ultrasonic detection is used to supplement the internal metallurgical quality. The traditional detection method is to use manual moving probes for scanning. However, due to the large diameter of the part, the moving speed, step size and contact strength of the manual moving probe with the part surface cannot be controlled during ultrasonic testing, so there is an uncontrollable human factor. Summary of the invention

[0004] The main purpose of the present invention is to provide an ultrasonic detection device and method for the installation edge of a rear bearing frame casting, aiming to solve the above technical problems.

[0005] To achieve the above-mentioned purpose, on the one hand, the present invention proposes an ultrasonic detection device for the installation edge of the rear bearing frame casting, including: a support plate; a motor, the motor is vertically installed on the top surface of the support plate, and the output shaft of the motor is vertically upward; a shaft body, the shaft body is installed on the output shaft of the motor through an adapter sleeve, and the axis of the shaft body coincides with the axis of the output shaft of the motor; a swivel arm, the swivel arm is horizontally installed on the shaft body; a probe clamp, the probe clamp is installed at the cantilever end of the swivel arm, and an ultrasonic probe is installed on the probe clamp.

[0006] Preferably, three adjustment feet are screwed on the bottom surface of the support plate.

[0007] Preferably, a pressure plate is arranged on the top surface of the motor, and a plurality of pull rods are arranged between the support plate and the pressure plate.

[0008] Preferably, the number of the pull rods is 4; four threaded holes are evenly distributed on the top surface of the support plate, the lower end of the pull rod is threadedly connected to the threaded holes of the support plate, and the upper end of the pull rod passes through the pressure plate and is screwed with a locking nut.

[0009] Preferably, a first keyway is provided on the outer cylindrical surface of the output shaft of the motor, and a second keyway is provided on the outer cylindrical surface of the lower end of the shaft body; the lower end of the shaft body is inserted into the center hole of the adapter sleeve, and the upper end of the output shaft of the motor is inserted into the center hole of the adapter sleeve; and a flat key is installed in both the first keyway and the second keyway.

[0010] Preferably, the rotating arm comprises a first rod body, a second rod body and a spring; the first rod body and the second rod body are connected via the spring; the probe clamp is mounted on the second rod body; and the first rod body is connected to the shaft body.

[0011] Preferably, a first mounting block is integrally formed on the first rod body, the shaft body is inserted into a socket of the first mounting block, and a first locking screw is screwed on the first mounting block for tightening the shaft body.

[0012] Preferably, a second mounting block is integrally formed on the probe clamp, the second rod body is inserted into a socket of the second mounting block, and a second locking screw is screwed on the second mounting block for tightening the second rod body.

[0013] Preferably, a probe mounting hole is provided on the probe clamp, the probe mounting hole is used to install the ultrasonic probe, and a third locking screw is screwed on the probe clamp to tighten the ultrasonic probe.

[0014] On the other hand, the present invention also provides an ultrasonic detection method for the installation edge of the rear bearing frame casting, using the above-mentioned ultrasonic detection device, comprising the following steps:

[0015] S1. Place the rear bearing frame casting to be tested horizontally on the testing table;

[0016] S2. placing an ultrasonic testing device on a testing table, and the ultrasonic testing device is located at the inner center of the rear bearing frame casting;

[0017] S3. Install the ultrasonic probe on the probe clamp, and adjust the height of the rotating arm on the shaft body so that the ultrasonic probe contacts the surface of the upper mounting edge of the rear bearing frame casting;

[0018] S4, start the motor to drive the rotating arm to rotate, so that the ultrasonic probe scans the surface of the upper mounting edge of the rear bearing frame casting once, and then turn off the motor;

[0019] S5. Adjust the axial position of the probe clamp on the rotating arm, repeat step S4, and complete the scanning of the entire upper mounting edge in sequence.

[0020] Due to the adoption of the above technical solution, the beneficial effects of the present invention are as follows:

[0021] (1) In the present invention, the motor is used to drive the rotating arm to rotate, so that the ultrasonic probe is moved and scanned on the surface of the upper mounting edge of the rear bearing frame casting. Therefore, the ultrasonic probe is moved by the motor drive method to ensure that the scanning speed and the scanning interval are well controlled, thereby overcoming the problem that the mounting edge of the rear bearing frame casting is difficult to control due to human factors during ultrasonic testing.

[0022] (2) In the present invention, the first rod body and the second rod body of the rotating arm are connected by a spring. When the ultrasonic probe moves, the spring has the function of buffering the contact force between the ultrasonic probe and the mounting edge surface on the casting, thereby ensuring that the ultrasonic probe is always in good contact with the mounting edge surface on the casting. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0024] Figure 1 This is a schematic diagram of the structure of the ultrasonic detection device provided by the present invention;

[0025] Figure 2 It is a front view of the assembly formed by the support plate and the adjustment foot in the present invention;

[0026] Figure 3 A top view of an assembly formed by a support plate and an adjustment foot in the present invention;

[0027] Figure 4 is a schematic diagram of the motor in the present invention;

[0028] Figure 5 It is a front view of the rotating arm of the present invention;

[0029] Figure 6 A top view of the rotating arm of the present invention;

[0030] Figure 7 It is a front view of the axis body of the present invention;

[0031] Figure 8 It is a front view of the probe clamp in the present invention;

[0032] Fig. 9 It is a right side view of the probe clamp in the present invention;

[0033] Fig.10 A top view of the pressure plate of the present invention;

[0034] Fig.11 This is a front view of the ultrasonic detection device provided by the present invention when in use;

[0035] Fig.12 This is a top view of the ultrasonic detection device provided by the present invention when in use.

[0036] Explanation of the accompanying drawings: 1. Support plate; 1a. Threaded hole; 2. Motor; 2a. First keyway; 3. Shaft; 3a. Second keyway; 4. Adapter sleeve; 5. Swivel arm; 5a. First rod; 5b. Second rod; 5c. Spring; 5d. First mounting block; 5e. First locking screw; 6. Probe clamp; 6a. Second mounting block; 6b. Second locking screw; 6c. Probe mounting hole; 7. Adjustment foot; 8. Pressure plate; 9. Pull rod; 100. Rear load-bearing frame casting. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0039] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0040] Combination Figures 1 to 10 As shown, a specific embodiment of an ultrasonic detection device for the installation edge of a rear bearing frame casting provided by the present invention is shown, and the ultrasonic detection device includes: a support plate 1; a motor 2, wherein the motor 2 is vertically mounted on the top surface of the support plate 1, and the output shaft of the motor 2 is vertically upward; a shaft body 3, wherein the shaft body 3 is mounted on the output shaft of the motor 2 through an adapter sleeve 4, and the axis of the shaft body 3 coincides with the axis of the output shaft of the motor 2; a rotating arm 5, wherein the rotating arm 5 is horizontally mounted on the shaft body 3; and a probe clamp 6, wherein the probe clamp 6 is mounted on the cantilever end of the rotating arm 5, and an ultrasonic probe is mounted on the probe clamp 6.

[0041] In this embodiment, three adjusting feet 7 are screwed on the bottom surface of the support plate 1. The three adjusting feet 7 are evenly installed on the lower surface of the support plate 1. The adjusting feet 7 play the role of leveling the support plate 1 and are adjusted up and down through threads. The support plate 1 is mainly used to install the motor 2, and the material of the support plate 1 is stainless steel.

[0042] In this embodiment, a pressing plate 8 is provided on the top surface of the motor 2, and a plurality of tie rods 9 are provided between the support plate 1 and the pressing plate 8. Specifically, the number of the tie rods 9 is 4; four threaded holes 1a are evenly distributed on the top surface of the support plate 1, the lower end of the tie rod 9 is threadedly connected with the threaded hole 1a of the support plate 1, and the upper end of the tie rod 9 passes through the pressing plate 8 and is screwed with a clamping nut, and the motor 2 is fixed by using the tie rod 9 and the pressing plate 8.

[0043] Combination Figure 4 and Figure 7 As shown, a first keyway 2a is provided on the outer cylindrical surface of the output shaft of the motor 2, and a second keyway 3a is provided on the outer cylindrical surface of the lower end of the shaft body 3; the lower end of the shaft body 3 is inserted into the center hole of the adapter sleeve 4, and the upper end of the output shaft of the motor 2 is inserted into the center hole of the adapter sleeve 4; and flat keys are installed in both the first keyway 2a and the second keyway 3a, and transmission is performed by using the flat keys.

[0044] Combination Figure 5 , Figure 6 As shown, the rotating arm 5 includes a first rod 5a, a second rod 5b and a spring 5c; the first rod 5a and the second rod 5b are connected by the spring 5c; the probe clamp 6 is installed on the second rod 5b; the first rod 5a is connected to the shaft 3. During the movement of the ultrasonic probe, the spring 5c ​​has the function of buffering the contact force between the ultrasonic probe and the mounting edge surface on the casting, which can ensure that the ultrasonic probe is always in good contact with the mounting edge surface on the casting.

[0045] Furthermore, a first mounting block 5d is integrally formed on the first rod body 5a, the shaft body 3 is inserted into the insertion hole of the first mounting block 5d, and a first locking screw 5e is screwed on the first mounting block 5d to tighten the shaft body 3. By using the first mounting block 5d to cooperate with the shaft body 3, it is convenient to adjust the height of the rotating arm 5. When the height position of the rotating arm 5 is adjusted to the right position, the rotating arm 5 and the shaft body 3 can be locked by tightening the first locking screw 5e.

[0046] Furthermore, a second mounting block 6a is integrally formed on the probe clamp 6, the second rod 5b is inserted into the insertion hole of the second mounting block 6a, and a second locking screw 6b is screwed on the second mounting block 6a for tightening the second rod 5b. By using the second mounting block 6a to cooperate with the second rod 5b, it is convenient to adjust the axial position of the probe clamp 6 on the second rod 5b. When the position is adjusted to the right position, tighten the second locking screw 6b to lock it.

[0047] Combination Figure 8 As shown, a probe mounting hole 6c is provided on the probe clamp 6, and the probe mounting hole 6c is used to install the ultrasonic probe. A third locking screw 6d is screwed on the probe clamp 6 to tighten the ultrasonic probe.

[0048] Combination Fig.11 and Fig.12 As shown, this embodiment also provides an ultrasonic detection method for the installation edge of the rear bearing frame casting, using the above-mentioned ultrasonic detection device, including the following steps:

[0049] S1. Place the rear bearing frame casting 100 to be tested horizontally on a testing table;

[0050] S2, placing an ultrasonic testing device on a testing table, and the ultrasonic testing device is located at the inner center of the rear bearing frame casting 100;

[0051] S3, installing an ultrasonic probe on the probe clamp 6, and adjusting the height of the rotating arm 5 on the shaft body 3, so that the ultrasonic probe contacts the surface of the upper mounting edge of the rear bearing frame casting 100;

[0052] S4, start the motor 2 to drive the rotating arm 5 to rotate, so that the ultrasonic probe scans the surface of the upper mounting edge of the rear bearing frame casting 100 once, and then turn off the motor 2;

[0053] S5, adjust the axial position of the probe clamp 6 on the rotating arm 5, repeat step S4, and complete the scanning of the entire upper mounting edge in sequence.

[0054] In step S2 , when the ultrasonic testing device is placed on the testing table, the support plate 1 is leveled by using the adjusting feet 7 .

[0055] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An ultrasonic detection device for the installation edge of a rear bearing frame casting, characterized in that: include: Support plate (1); A motor (2), wherein the motor (2) is vertically mounted on the top surface of the support plate (1), and the output shaft of the motor (2) is vertically facing upward; A shaft body (3), wherein the shaft body (3) is mounted on the output shaft of the motor (2) via an adapter sleeve (4), and the axis of the shaft body (3) coincides with the axis of the output shaft of the motor (2); A rotating arm (5), wherein the rotating arm (5) is horizontally mounted on the shaft body (3); A probe clamp (6) is mounted on the cantilever end of the rotating arm (5), and an ultrasonic probe is mounted on the probe clamp (6).

2. An ultrasonic detection device for the installation edge of a rear bearing frame casting according to claim 1, characterized in that: Three adjustment feet (7) are screwed onto the bottom surface of the support plate (1).

3. An ultrasonic detection device for the installation edge of a rear bearing frame casting according to claim 1, characterized in that: A pressing plate (8) is arranged on the top surface of the motor (2), and a plurality of pull rods (9) are arranged between the support plate (1) and the pressing plate (8).

4. An ultrasonic detection device for the installation edge of a rear bearing frame casting as claimed in claim 3, characterized in that: The number of the pull rods (9) is 4; four threaded holes (1a) are evenly distributed on the top surface of the support plate (1); the lower end of the pull rod (9) is threadedly connected to the threaded hole (1a) of the support plate (1); the upper end of the pull rod (9) passes through the pressure plate (8) and is screwed with a locking nut.

5. The ultrasonic detection device for the installation edge of the rear bearing frame casting according to claim 1, characterized in that: A first keyway (2a) is provided on the outer cylindrical surface of the output shaft of the motor (2), and a second keyway (3a) is provided on the outer cylindrical surface of the lower end of the shaft body (3); the lower end of the shaft body (3) is inserted into the center hole of the adapter sleeve (4), and the upper end of the output shaft of the motor (2) is inserted into the center hole of the adapter sleeve (4); and a flat key is installed in both the first keyway (2a) and the second keyway (3a).

6. An ultrasonic detection device for the installation edge of a rear bearing frame casting according to claim 1, characterized in that: The rotating arm (5) comprises a first rod body (5a), a second rod body (5b) and a spring (5c); the first rod body (5a) and the second rod body (5b) are connected via the spring (5c); the probe clamp (6) is mounted on the second rod body (5b); and the first rod body (5a) is connected to the shaft body (3).

7. An ultrasonic detection device for the installation edge of a rear bearing frame casting according to claim 6, characterized in that: A first mounting block (5d) is integrally formed on the first rod body (5a), the shaft body (3) is inserted into the insertion hole of the first mounting block (5d), and a first locking screw (5e) is screwed on the first mounting block (5d) for tightening the shaft body (3).

8. An ultrasonic detection device for the installation edge of a rear bearing frame casting according to claim 6, characterized in that: A second mounting block (6a) is integrally formed on the probe clamp (6), the second rod body (5b) is inserted into the insertion hole of the second mounting block (6a), and a second locking screw (6b) is screwed on the second mounting block (6a) for tightening the second rod body (5b).

9. An ultrasonic detection device for the installation edge of a rear bearing frame casting according to claim 1, characterized in that: The probe clamp (6) is provided with a probe mounting hole (6c), the probe mounting hole (6c) is used to mount an ultrasonic probe, and a third locking screw (6d) is screwed on the probe clamp (6) to tighten the ultrasonic probe.

10. An ultrasonic detection method for the installation edge of a rear bearing frame casting, characterized in that: The ultrasonic detection device according to any one of claims 1 to 9 comprises the following steps: S1, placing the rear bearing frame casting (100) to be tested horizontally on a testing table; S2, placing an ultrasonic testing device on a testing table, with the ultrasonic testing device being located at the inner center of the rear bearing frame casting (100); S3, installing an ultrasonic probe on the probe clamp (6), and adjusting the height of the rotating arm (5) on the shaft body (3) so that the ultrasonic probe contacts the surface of the upper mounting edge of the rear bearing frame casting (100); S4, starting the motor (2) to drive the rotating arm (5) to rotate, so that the ultrasonic probe scans the surface of the upper mounting edge of the rear bearing frame casting (100) once, and then turning off the motor (2); S5, adjust the axial position of the probe clamp (6) on the rotating arm (5), repeat step S4, and complete the scanning of the entire upper mounting edge in sequence.

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