A transducer air ultrasonic detection system and detection method

Abstract

The present invention discloses a transducer air ultrasonic detection system and detection method, comprising a working box, the top of which is fixedly provided with a hydraulic rod. The present invention relates to the field of acoustic testing technology. The transducer air ultrasonic detection system and detection method, through the cooperation of an ultrasonic detection probe, a rack, a spur gear, and a bevel gear ring, as the ultrasonic detection probe moves downward, the bevel gear ring and the workpiece to be tested simultaneously rotate. The rotating workpiece to be tested can be scanned in all directions during the downward movement of the ultrasonic detection probe, thereby achieving efficient and accurate ultrasonic detection of the workpiece to be tested. Through the cooperation of an adapter plate, a guide plate mechanism, a functional rod mechanism, and multiple ultrasonic detection probes, ultrasonic detection probes of multiple frequencies can be pre-installed in each limiting cylinder. The ultrasonic detection probe of the corresponding ultrasonic frequency can be promptly replaced as the working probe as needed to achieve ultrasonic detection of different workpieces to be tested, thereby improving detection accuracy.

Description

Technical Field

[0001] The present invention relates to the field of acoustic testing technology, and in particular to a transducer ultrasonic detection system in air and a detection method. Background Art

[0002] The existing transducer air ultrasonic detection system and detection method can usually perform 360° scanning and detection on the test piece, but for higher test pieces, it can only scan a part of it. As the height changes, it is impossible to perform a full-scale scan of the test piece. In addition, the frequency of the ultrasonic wave emitted by the ultrasonic detection probe is usually fixed. As the test piece changes, it is impossible to replace the probe of the corresponding ultrasonic frequency as the working probe in time to realize ultrasonic detection of different test pieces. Therefore, it is necessary to provide a transducer air ultrasonic detection system and detection method to solve the above technical problems. Summary of the Invention

[0003] In response to the shortcomings of the existing technology, the present invention provides a transducer ultrasonic detection system and detection method in the air, which solves the problem that for a higher test piece, only a local area can be scanned. As the height changes, the test piece cannot be scanned in all directions. In addition, the frequency of the ultrasonic wave emitted by the ultrasonic detection probe is usually fixed, and it is impossible to replace the probe of the corresponding ultrasonic frequency as the working probe in time as the test piece changes to realize ultrasonic detection of different test pieces.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a transducer air ultrasonic detection system, including a working box, a hydraulic rod is fixedly provided on the top of the working box, a accommodating box assembly is fixedly provided on the bottom of the hydraulic rod passing through the top of the working box, a load-bearing rod is fixedly provided on both the left and right sides of the accommodating box assembly, a rack is fixedly provided on the left side of the bottom of the left load-bearing rod, a placement seat assembly is rotatably provided on the left side of the bottom of the inner cavity of the working box, a piece to be tested is provided inside the placement seat assembly, the accommodating box assembly includes a accommodating box, and the middle of the top of the inner cavity of the accommodating box is fixedly provided. A servo motor is fixedly installed, and a connecting shaft is fixedly installed at the output end of the servo motor. A connecting plate is fixedly installed at the bottom of the connecting shaft. A guide plate mechanism is fixedly installed between the side walls of the inner cavity of the accommodating box. A plurality of functional rod mechanisms are evenly slid through the outer circle of the connecting plate. An ultrasonic detection probe is provided at the bottom of each functional rod mechanism. The ultrasonic detection probe includes a transducer and a driving circuit. Several ultrasonic detection probes have different ultrasonic frequencies. A plurality of square limiting holes are evenly opened around the outer circle of the connecting plate, and a through groove is opened on the left side of the bottom of the accommodating box.

[0005] Preferably, the two sides of the supporting rods that are away from each other are respectively slidably connected to the left and right side walls of the inner cavity of the working box, support legs are fixedly provided at the four corners of the bottom of the working box, a transparent door is provided on the left side of the front end of the working box, and the top of the storage box is fixedly connected to the bottom of the hydraulic rod.

[0006] Preferably, the connecting plate is rotatably connected to the inner wall of the accommodating box before, the guide plate mechanism is located between the connecting plate and the servo motor, the connecting shaft rotates through the inside of the guide plate mechanism, and several of the functional rod mechanisms slide through the inside of the corresponding square limiting holes respectively.

[0007] Preferably, the guide swash plate mechanism includes a guide swash plate, a sliding groove is provided at the bottom of the guide swash plate, and a first contact piece is fixedly provided on the left side inside the sliding groove.

[0008] Preferably, the function rod mechanism includes a function rod, which slides through the interior of the corresponding square limiting hole, a limiting ball is fixedly provided on the top of the function rod, and a second contact piece is fixedly provided on the outside of the limiting ball, and the limiting ball is slidably connected to the interior of the slide groove, the second contact piece is adapted to the first contact piece, and a limiting cylinder is fixedly provided on the bottom of the function rod.

[0009] Preferably, a third contact piece is fixedly provided on one side wall of the inner cavity of the limiting cylinder, and an insertion rod is slidably passed through the left and right sides of the bottom of the limiting cylinder, an arc-shaped pressure plate is fixedly provided between the tops of the two insertion rods, and a connecting rod is fixedly provided between the bottoms of the two insertion rods, and a telescopic spring is sleeved on the outside of the two insertion rods, and the telescopic spring is fixedly connected between the connecting rod and the limiting cylinder, and the ultrasonic detection probe is located between the inside of the limiting cylinder and the upper part of the arc-shaped pressure plate.

[0010] Preferably, the placement seat assembly includes a T-shaped block, the bottom of the T-shaped block is rotatably connected to the bottom of the inner cavity of the working box, the upper part of the outer wall of the T-shaped block is fixedly sleeved with a conical gear ring, and a placement seat is fixedly set in the middle of the top of the T-shaped block, and T-shaped pull rods pass through the left and right sides of the placement seat, and an arc-shaped splint is fixedly set on the side where the two T-shaped pull rods are close to each other, and compression springs are sleeved on the outside of the two T-shaped pull rods.

[0011] Preferably, the compression spring is fixedly connected between the outer wall of the placement seat and one end of the T-shaped pull rod, the test piece is located between two arc-shaped clamping plates, a bevel gear is engaged with the top left side of the bevel gear ring, and a shaft is fixedly provided on the left side of the bevel gear. The left end of the shaft is rotatably connected to the left wall of the inner cavity of the working box, and the external fixed sleeve of the shaft is provided with a spur gear.

[0012] The present invention also provides a detection method of a transducer air ultrasonic detection system, which specifically comprises the following steps:

[0013] Step 1: Open the transparent door and pull the two T-shaped pull rods away from each other to increase the distance between the two curved clamping plates, thereby placing the workpiece to be tested in the placement seat. Release the pull on the T-shaped pull rod. Under the elastic action of the compression spring, the two curved clamping plates move closer to each other and clamp the two sides of the workpiece to be tested;

[0014] Step 2: Then adjust the corresponding ultrasonic detection probe on the connecting plate to the far left. During the process, first start the servo motor to drive the connecting plate to rotate, and the function rod rotates around the connecting shaft accordingly. At the same time, under the limiting action of the guide inclined plate and the slide groove, the function rod slides in the up and down directions in the corresponding square limiting hole. When the required ultrasonic detection probe rotates to the far left, the servo motor stops working. At this time, the ultrasonic detection probe is located outside the accommodation box through the through slot, and the corresponding second contact piece contacts the first contact piece, so that the internal circuit of the required ultrasonic detection probe is turned on;

[0015] Step 3: Then start the hydraulic rod to push the containing box, ultrasonic detection probe, bearing rod and rack downward. Since the rack is engaged with the spur gear, the spur gear and bevel gear rotate accordingly, thereby driving the bevel gear ring and the workpiece to be tested to rotate. The ultrasonic detection probe is used to perform a full-scale scan of the workpiece to be tested, and the collected ultrasonic signals are processed to synthesize the ultrasonic image to complete the ultrasonic detection of the workpiece to be tested.

[0016] Preferably, the rear end of the spur gear is meshed with the front end of the rack, and the bottom of the rack passes through the bottom of the working box.

[0017] Beneficial effects

[0018] The present invention provides a transducer air ultrasonic detection system and detection method. Compared with the existing technology, it has the following advantages:

[0019] 1. A detection method for a transducer air ultrasonic detection system. Through the mutual cooperation among the ultrasonic detection probe, rack, spur gear and bevel gear ring, as the ultrasonic detection probe moves downward, the bevel gear ring and the test object will rotate simultaneously. The rotating test object can be scanned in all directions during the downward movement of the ultrasonic detection probe, realizing efficient and accurate ultrasonic detection of the test object.

[0020] 2. A detection method for a transducer air ultrasonic detection system, through the mutual cooperation between the connecting plate, the guide plate mechanism, the functional rod mechanism and multiple ultrasonic detection probes, ultrasonic detection probes of various frequencies can be pre-installed in each limit cylinder, and the ultrasonic detection probes of the corresponding ultrasonic frequency can be replaced in time as needed as the working probe to realize ultrasonic detection of different parts to be tested, thereby improving the detection accuracy.

[0021] 3. A detection method for a transducer air ultrasonic detection system, through the mutual cooperation between a limit cylinder, an arc-shaped pressure plate, a connecting rod and a telescopic spring, can remove an ultrasonic detection probe that is not frequently used from a storage box and replace it with an ultrasonic detection probe that is frequently used, which will be more convenient to use.

[0022] 4. A detection method for a transducer air ultrasonic detection system can limit the positions of test pieces of different sizes through the cooperation between a placement seat, a T-shaped pull rod, an arc-shaped clamping plate and a compression spring. It has a wide range of uses, is relatively simple to install and disassemble, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is the front view of the present invention;

[0024] Figure 2 A cross-sectional view of the present invention;

[0025] Figure 3 is a cross-sectional view of the container assembly of the present invention;

[0026] Figure 4 It is a bottom view of the swash plate mechanism of the present invention;

[0027] Figure 5 For the present invention Figure 3 A partial enlarged view of point A in the middle;

[0028] Figure 6 A bottom view of the container box of the present invention;

[0029] Figure 7 is a cross-sectional view of the functional rod mechanism of the present invention;

[0030] Figure 8 A bottom view of the adapter plate of the present invention;

[0031] Figure 9 This is a front view of the placement seat assembly of the present invention;

[0032] Figure 10 It is a cross-sectional view of the seat assembly of the present invention.

[0033] In the figure: 1, working box; 2, hydraulic rod; 3, receiving box assembly; 31, receiving box; 32, servo motor; 33, connecting shaft; 34, connecting plate; 35, guide slant plate mechanism; 351, guide slant plate; 352, slide; 353, first contact piece; 36, function rod mechanism; 361, function rod; 362, stop ball; 363, second contact piece; 364, stop cylinder; 365, third contact piece; 366, plug rod; 367, arc shaped pressure plate; 368, connecting rod; 369, telescopic spring; 37, ultrasonic detection probe; 38, square limit hole; 39, through slot; 4, load-bearing rod; 5, rack; 6, placement seat assembly; 61, T-block; 63, bevel gear ring; 64, placement seat; 65, T-type pull rod; 66, arc-shaped splint; 67, compression spring; 68, bevel gear; 69, shaft; 610, spur gear; 7, part to be tested; 8, support leg; 9, transparent door. DETAILED DESCRIPTION

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0035] The present invention provides two technical solutions:

[0036] like Figure 1-9 The first embodiment is shown: a transducer air ultrasonic detection system, including a working box 1, a hydraulic rod 2 is fixedly provided on the top of the working box 1, and a accommodating box assembly 3 is fixedly provided on the bottom of the hydraulic rod 2 passing through the top of the working box 1, and a bearing rod 4 is fixedly provided on both the left and right sides of the accommodating box assembly 3, and a rack 5 is fixedly provided on the left side of the bottom of the left bearing rod 4, a placement seat assembly 6 is rotatably provided on the left side of the bottom of the inner cavity of the working box 1, and a piece to be tested 7 is provided inside the placement seat assembly 6, and the accommodating box assembly 3 includes a accommodating box 31, and a servo motor 32 is fixedly provided in the middle of the inner cavity top of the accommodating box 31. A connecting shaft 33 is fixedly provided at the output end of the servo motor 32, a connecting plate 34 is fixedly provided at the bottom of the connecting shaft 33, a guide inclined plate mechanism 35 is fixedly provided between the inner cavity side walls of the accommodating box 31, and a plurality of functional rod mechanisms 36 are evenly slid through the outer circle of the connecting plate 34. An ultrasonic detection probe 37 is provided at the bottom of each functional rod mechanism 36. The ultrasonic detection probe 37 includes a transducer and a driving circuit. The plurality of ultrasonic detection probes 37 have different ultrasonic frequencies. A plurality of square limiting holes 38 are evenly provided on the outer circle of the connecting plate 34, and a through groove 39 is provided on the left side of the bottom of the accommodating box 31.

[0037] Through the mutual cooperation among the ultrasonic detection probe 37, the rack 5, the spur gear 610 and the bevel gear ring 63, as the ultrasonic detection probe 37 moves downward, the bevel gear ring 63 and the workpiece to be tested 7 will rotate at the same time. The rotating workpiece to be tested 7 can be scanned in all directions during the downward movement of the ultrasonic detection probe 37, thereby realizing efficient and accurate ultrasonic detection of the workpiece to be tested 7. Through the mutual cooperation among the connecting plate 34, the guide plate mechanism 35, the functional rod mechanism 36 and multiple ultrasonic detection probes 37, ultrasonic detection probes 37 of multiple frequencies can be installed in advance in each limit cylinder 364, and the ultrasonic detection probe 37 of the corresponding ultrasonic frequency can be replaced in time as needed as the working probe to realize ultrasonic detection of different workpieces to be tested 7, thereby improving the detection accuracy.

[0038] like Figure 1 and 10A second embodiment is shown, which differs from the first embodiment mainly in that: a transducer air ultrasonic detection system, the two supporting rods 4 are slidably connected to the left and right side walls of the inner cavity of the working box 1 on the sides away from each other, and the four corners of the bottom of the working box 1 are fixedly provided with support legs 8. A transparent door 9 is provided on the left front end of the working box 1. The top of the accommodating box 31 is fixedly connected to the bottom of the hydraulic rod 2, and the connecting plate 34 is rotatably connected to the inner wall of the accommodating box 31. The guide plate mechanism 35 is located between the connecting plate 34 and the servo motor 32, and the connecting shaft 33 rotates and passes through the interior of the guide plate mechanism 35. A number of functional rod mechanisms 36 slide through the corresponding square limit holes. 38, the guide plate mechanism 35 includes a guide plate 351, a slide groove 352 is provided at the bottom of the guide plate 351, and a first contact piece 353 is fixedly provided on the left side of the inner part of the slide groove 352. The function rod mechanism 36 includes a function rod 361, and the function rod 361 slides through the inner part of the corresponding square limiting hole 38. A limiting ball 362 is fixedly provided on the top of the function rod 361, and a second contact piece 363 is fixedly provided on the outer part of the limiting ball 362. The limiting ball 362 is slidably connected to the inner part of the slide groove 352, and the second contact piece 363 is adapted to the first contact piece 353. A limiting cylinder 364 is fixedly provided at the bottom of the function rod 361, and a fixed cylinder 364 is provided on one side wall of the inner cavity of the limiting cylinder 364. A third contact piece 365 is provided, and an insertion rod 366 is slidably passed through the left and right sides of the bottom of the limiting cylinder 364. An arc-shaped pressure plate 367 is fixedly provided between the tops of the two insertion rods 366, and a connecting rod 368 is fixedly provided between the bottoms of the two insertion rods 366. The outsides of the two insertion rods 366 are sleeved with telescopic springs 369, and the telescopic springs 369 are fixedly connected between the connecting rod 368 and the limiting cylinder 364. The ultrasonic detection probe 37 is located between the inside of the limiting cylinder 364 and the upper part of the arc-shaped pressure plate 367. The placement seat assembly 6 includes a T-block 61. The bottom of the T-block 61 is rotatably connected to the bottom of the inner cavity of the working box 1, and the upper part of the outer wall of the T-block 61 is fixedly sleeved with a bevel gear ring 6 3. A placement seat 64 is fixedly provided in the middle of the top of the T-shaped block 61. T-shaped pull rods 65 are passed through the left and right sides of the placement seat 64. An arc-shaped clamping plate 66 is fixedly provided on the side where the two T-shaped pull rods 65 are close to each other. A compression spring 67 is sleeved on the outside of the two T-shaped pull rods 65. The compression spring 67 is fixedly connected between the outer wall of the placement seat 64 and one end of the T-shaped pull rod 65. The test piece 7 is located between the two arc-shaped clamping plates 66. A bevel gear 68 is meshed with the left side of the top of the bevel gear ring 63. A shaft rod 69 is fixedly provided on the left side of the bevel gear 68. The left end of the shaft rod 69 is rotatably connected to the left wall of the inner cavity of the working box 1. A spur gear 610 is fixedly sleeved on the outside of the shaft rod 69.

[0039] Through the mutual cooperation between the limiting cylinder 364, the arc-shaped pressure plate 367, the connecting rod 368 and the telescopic spring 369, the ultrasonic detection probe 37 that is not frequently used can be removed from the accommodating box 31, and the ultrasonic detection probe 37 that is frequently used can be replaced, which will be more convenient to use. Through the mutual cooperation between the placement seat 64, the T-shaped pull rod 65, the arc-shaped clamping plate 66 and the compression spring 67, the test pieces 7 of different sizes can be limited, and the scope of use is wide. At the same time, the installation and disassembly are relatively simple, and the practicality is strong.

[0040] The embodiment of the present invention further provides a detection method of a transducer air ultrasonic detection system, which specifically includes the following steps:

[0041] Step 1: Open the transparent door 9 and pull the two T-shaped pull rods 65 away from each other to increase the distance between the two arc-shaped clamping plates 66, thereby placing the test piece 7 in the placement seat 64. Release the pull on the T-shaped pull rod 65. Under the elastic action of the compression spring 67, the two arc-shaped clamping plates 66 move closer to each other to clamp the two sides of the test piece 7;

[0042] Step 2: Then adjust the corresponding ultrasonic detection probe 37 on the connecting plate 34 to the extreme left. During the process, first start the servo motor 32 to drive the connecting plate 34 to rotate, and the functional rod 361 rotates around the connecting shaft 33 accordingly. At the same time, under the limiting action of the guide inclined plate 351 and the slide groove 352, the functional rod 361 slides in the upper and lower directions in the corresponding square limiting hole 38. When the required ultrasonic detection probe 37 rotates to the extreme left, the servo motor 32 stops working. At this time, the ultrasonic detection probe 37 is located outside the accommodating box 31 through the through slot 39, and the corresponding second contact piece 363 contacts the first contact piece 353, so that the internal circuit of the required ultrasonic detection probe 37 is turned on;

[0043] Step 3: Then start the hydraulic rod 2 to push the accommodating box 31, ultrasonic detection probe 37, supporting rod 4 and rack 5 downward. Since the rack 5 is engaged with the spur gear 610, the spur gear 610 and the bevel gear 68 rotate accordingly, thereby driving the bevel gear ring 63 and the workpiece to be tested 7 to rotate. The ultrasonic detection probe 37 is used to perform an all-round scan of the workpiece to be tested 7, and the collected ultrasonic signals are processed to synthesize an ultrasonic image to complete the ultrasonic detection of the workpiece to be tested 7.

[0044] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0045] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A transducer air ultrasonic detection system, comprising a working box (1), characterized in that: A hydraulic rod (2) is fixedly provided on the top of the working box (1), a receiving box assembly (3) is fixedly provided on the bottom of the hydraulic rod (2) which passes through the top of the working box (1), a bearing rod (4) is fixedly provided on both the left and right sides of the receiving box assembly (3), a rack (5) is fixedly provided on the left side of the bottom of the left bearing rod (4), a placement seat assembly (6) is rotatably provided on the left side of the bottom of the inner cavity of the working box (1), and a test piece (7) is provided inside the placement seat assembly (6); The accommodating box assembly (3) comprises a accommodating box (31), a servo motor (32) is fixedly arranged in the middle of the inner cavity top of the accommodating box (31), a connecting shaft (33) is fixedly arranged at the output end of the servo motor (32), a connecting plate (34) is fixedly arranged at the bottom of the connecting shaft (33), a guide inclined plate mechanism (35) is fixedly arranged between the inner cavity side walls of the accommodating box (31), a plurality of functional rod mechanisms (36) are uniformly slidably penetrated on the outer circle of the connecting plate (34), an ultrasonic detection probe (37) is arranged at the bottom of each functional rod mechanism (36), the ultrasonic detection probe (37) comprises a transducer and a driving circuit, and the plurality of ultrasonic detection probes (37) respectively have different ultrasonic frequencies, a plurality of square limiting holes (38) are uniformly opened on the outer circle of the connecting plate (34), and a through slot (39) is opened on the left side of the bottom of the accommodating box (31).

2. The transducer air ultrasonic detection system according to claim 1, characterized in that: The two supporting rods (4) are slidably connected to the left and right side walls of the inner cavity of the working box (1) at their sides away from each other, respectively; support legs (8) are fixedly provided at the four corners of the bottom of the working box (1); a transparent door (9) is provided on the left side of the front end of the working box (1); and the top of the accommodating box (31) is fixedly connected to the bottom of the hydraulic rod (2).

3. The transducer air ultrasonic detection system according to claim 1, characterized in that: The connecting plate (34) is rotatably connected to the inner wall of the accommodating box (31), the guide slant plate mechanism (35) is located between the connecting plate (34) and the servo motor (32), the connecting shaft (33) rotates and passes through the inside of the guide slant plate mechanism (35), and the plurality of functional rod mechanisms (36) slide and pass through the inside of the corresponding square limiting holes (38).

4. The transducer air ultrasonic detection system according to claim 1, characterized in that: The guide slant plate mechanism (35) comprises a guide slant plate (351), a sliding groove (352) is provided at the bottom of the guide slant plate (351), and a first contact piece (353) is fixedly provided on the left side inside the sliding groove (352).

5. The transducer air ultrasonic detection system according to claim 4, characterized in that: The functional rod mechanism (36) includes a functional rod (361), the functional rod (361) slides through the interior of the corresponding square limiting hole (38), a limiting ball (362) is fixedly provided on the top of the functional rod (361), a second contact piece (363) is fixedly sleeved on the exterior of the limiting ball (362), the limiting ball (362) is slidably connected to the interior of the sliding groove (352), the second contact piece (363) is adapted to the first contact piece (353), and a limiting cylinder (364) is fixedly provided on the bottom of the functional rod (361).

6. The transducer air ultrasonic detection system according to claim 5, characterized in that: A third contact piece (365) is fixedly provided on one side wall of the inner cavity of the limiting cylinder (364), and an insertion rod (366) is slidably passed through the left and right sides of the bottom of the limiting cylinder (364), an arc-shaped pressure plate (367) is fixedly provided between the tops of the two insertion rods (366), a connecting rod (368) is fixedly provided between the bottoms of the two insertion rods (366), and a telescopic spring (369) is sleeved on the outside of the two insertion rods (366), and the telescopic spring (369) is fixedly connected between the connecting rod (368) and the limiting cylinder (364), and the ultrasonic detection probe (37) is located between the inside of the limiting cylinder (364) and the upper part of the arc-shaped pressure plate (367).

7. The transducer air ultrasonic detection system according to claim 1, characterized in that: The placement seat assembly (6) includes a T-shaped block (61), the bottom of the T-shaped block (61) is rotatably connected to the bottom of the inner cavity of the working box (1), the upper part of the outer wall of the T-shaped block (61) is fixedly sleeved with a conical gear ring (63), and a placement seat (64) is fixedly set in the middle of the top of the T-shaped block (61), and the left and right sides of the placement seat (64) are penetrated by T-shaped pull rods (65), and the sides of the two T-shaped pull rods (65) close to each other are fixedly provided with arc-shaped clamping plates (66), and the outsides of the two T-shaped pull rods (65) are sleeved with compression springs (67).

8. The transducer air ultrasonic detection system according to claim 7, characterized in that: The compression spring (67) is fixedly connected between the outer wall of the placement seat (64) and one end of the T-shaped pull rod (65), the test piece (7) is located between the two arc-shaped clamping plates (66), the top left side of the bevel gear ring (63) is meshed with a bevel gear (68), the left side of the bevel gear (68) is fixedly provided with a shaft (69), the left end of the shaft (69) is rotatably connected to the left wall of the inner cavity of the working box (1), and the outer fixed sleeve of the shaft (69) is provided with a spur gear (610).

9. A detection method for implementing the transducer air ultrasonic detection system according to claim 8, characterized in that: The method comprises the following steps: Step 1: Open the transparent door (9) and pull the two T-shaped pull rods (65) away from each other to increase the distance between the two arc-shaped clamping plates (66), thereby placing the test piece (7) in the placement seat (64). Release the pulling of the T-shaped pull rod (65), and under the elastic action of the compression spring (67), the two arc-shaped clamping plates (66) approach each other to clamp the two sides of the test piece (7); Step 2: Then adjust the corresponding ultrasonic detection probe (37) on the connecting plate (34) to the leftmost part. During the process, first start the servo motor (32) to drive the connecting plate (34) to rotate, and the function rod (361) rotates around the connecting shaft (33). At the same time, under the limiting action of the guide inclined plate (351) and the slide groove (352), the function rod (361) slides in the corresponding square limiting hole (38) along the up and down direction. When the required ultrasonic detection probe (37) rotates to the leftmost part, the servo motor (32) stops working. At this time, the ultrasonic detection probe (37) is located outside the accommodating box (31) through the through groove (39), and the corresponding second contact piece (363) contacts the first contact piece (353), so that the internal circuit of the required ultrasonic detection probe (37) is turned on; Step 3: Then start the hydraulic rod (2) to push the accommodating box (31), the ultrasonic detection probe (37), the bearing rod (4) and the rack (5) downward. Since the rack (5) is meshed with the spur gear (610), the spur gear (610) and the bevel gear (68) rotate accordingly, thereby driving the bevel gear ring (63) and the test piece (7) to rotate. The ultrasonic detection probe (37) is used to perform a full-scale scan on the test piece (7), and the collected ultrasonic signals are processed to synthesize an ultrasonic image to complete the ultrasonic detection of the test piece (7).

10. The detection method of the transducer air ultrasonic detection system according to claim 9, characterized in that: The rear end of the spur gear (610) is meshedly connected with the front end of the rack (5), and the bottom of the rack (5) passes through the bottom of the working box (1).

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