Rapid replacing and locking mechanism for probe of ultrasonic flaw detector

Abstract

The utility model discloses a quick probe replacing and locking mechanism for an ultrasonic flaw detector, which comprises a locking component mounted on the outer side of a connecting wire joint B of the flaw detector, the locking assembly comprises a fixing ring fixedly installed on the outer side of the flaw detection machine connecting line connector B, a locking elastic plate installed on the inner side wall of the fixing ring, a locking ring rotationally connected with the fixing ring, a shifting column installed on the inner side wall of the locking ring, and a contraction assembly connecting the fixing ring and the locking ring. The contraction assembly comprises a fixed block in the fixed ring, a contraction spring with one end connected with the fixed block, and a movable block connected with the other end of the contraction spring; the ultrasonic flaw detector is provided with a locking design for quickly replacing the probe, the stabilizing ring and the flaw detector probe A are inserted into the locking ring, the flaw detector probe A is connected with the flaw detector connecting wire joint B, and the bulge on the locking elastic plate is embedded into the clamping groove, so that locking is realized, and the stabilizing ring and the flaw detector probe A can be quickly mounted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of probe installation device for ultrasonic flaw detector, specifically relates to a kind of ultrasonic flaw detector probe quick replacement locking mechanism. BACKGROUND

[0002] Ultrasonic flaw detector is a kind of flaw detection equipment, can be quickly and conveniently, non-injury, accurately carry out the detection, positioning, evaluation and diagnosis of the internal multiple defects (crack, inclusion, porosity etc.) of workpiece;Its principle is to use ultrasonic probe and the good contact of the workpiece to be explored, and the probe can effectively emit ultrasonic wave to workpiece, and can receive the ultrasonic wave reflected from interface (defect), simultaneously convert into electric signal, then transmit to instrument to process ultrasonic flaw detector, according to the speed (commonly known as sound speed) and propagation time of ultrasonic wave in medium, the position of defect can be known;

[0003] Ultrasonic flaw detector mainly includes flaw detector main body, connecting line, probe, generally probe and connecting line joint are connected by screw, when needing to replace damaged probe, tool is needed, locked nut is disassembled, then damaged probe is replaced, and the replacement process of probe is more troublesome;When the probe of ultrasonic flaw detector is damaged and replaced, there is no locking design problem of quick replacement of probe, so the present application provides a kind of ultrasonic flaw detector probe quick replacement locking mechanism. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of ultrasonic flaw detector probe quick replacement locking mechanism to solve the problem of no locking design of quick replacement of probe on ultrasonic flaw detector in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of ultrasonic flaw detector probe quick replacement locking mechanism, including

[0006] Locking assembly is installed on the outer side of flaw detector connecting line joint B, the locking assembly includes fixed ring that is fixedly installed on the outer side of flaw detector connecting line joint B, locking elastic plate that is installed on the inner side wall of fixed ring, locking ring that is rotatably connected with fixed ring, actuating column that is installed on the inner side wall of locking ring, contraction assembly that is connected with fixed ring and locking ring, the contraction assembly includes fixed block in fixed ring, contraction spring that is connected with fixed block at one end, mobile block that is connected with the other end of contraction spring, the locking ring is equipped with the connecting column that is connected with mobile block, the one end of locking elastic plate is equipped with the convex of integral structure;

[0007] Stable ring is installed on the outer side of one end of flaw detector probe A, the outer surface of stable ring is equipped with clamping groove, positioning column that is symmetrically distributed.

[0008] Preferably, the fixed ring is provided with a movable ring groove b on the surface of the locking ring, the fixed block, the contraction spring and the moving block are located in the movable ring groove b, and the moving block is in an arc shape.

[0009] Preferably, the locking spring plate is in a curved shape, the protrusion is in an isosceles right triangle shape, one side of the protrusion is matched with the curved surface of the locking spring plate, and the protrusion is matched with the gap of the clamping groove.

[0010] Preferably, the inner side wall of the fixed ring is provided with a curved-shaped positioning plate, two ends of the positioning plate are in a bent angle shape, and an active cavity a is formed between one end of the positioning plate and the locking spring plate.

[0011] Preferably, the poking column is in an L-shaped structure, one end of the poking column, which is away from the locking ring, is located in the active cavity a, and the poking column is tangent to the outer surface of the locking spring plate.

[0012] Preferably, the inner part of the fixed ring is provided with a shielding ring, the outer surface of the shielding ring is provided with a center-symmetrical fixed plate, and the surface of the fixed plate is provided with a magnet piece which is magnetically attached to the positioning column.

[0013] Preferably, the inner surface of the fixed ring is provided with a square groove matched with the positioning column, and the inner part of the fixed ring is provided with a magnet round block which is magnetically attached to the positioning column.

[0014] Compared with the prior art, the ultrasonic flaw detector has the beneficial effects that:

[0015] In the utility model, the locking design of the ultrasonic flaw detector is provided with the locking ring, the stable ring and the flaw detector probe A are inserted into the inner part of the locking ring, the flaw detector probe A is connected with the connecting line joint B of the flaw detector, the protrusion on the locking spring plate is embedded into the inner part of the clamping groove, the locking of the stable ring and the flaw detector probe A is realized, and the stable ring and the flaw detector probe A can be quickly installed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a bottom structure schematic view of the fixed ring of the utility model;

[0018] Figure 3 It is a bottom structure schematic view of the utility model; Figure 2 It is an enlarged structural schematic view of the middle C part;

[0019] Figure 4 It is a top structure schematic view of the locking ring of the utility model;

[0020] Figure 5 It is a top structure schematic view of the stable ring of the utility model;

[0021] In the figure: 1, fixed ring; 2, locking ring; 3, stable ring; 11, shielding ring; 12, fixed plate; 13, square groove; 14, magnet round block; 15, locking elastic plate; 16, positioning plate; 21, push column; 22, connecting column; 31, positioning column; 32, clamping groove; 41, fixed block; 42, contraction spring; 43, moving block; 121, magnet piece; 151, protrusion. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] EMBODIMENT

[0024] Please refer to Figures 1 to 5The utility model provides a technical scheme: a kind of ultrasonic flaw detector probe quick replacement locking mechanism, including the locking assembly of being installed in the outside of flaw detector connecting line joint B, locking assembly includes the fixed ring 1 of being fixedly installed in the outside of flaw detector connecting line joint B, locking baffle 15 of being installed on the inner side wall of fixed ring 1, the locking ring 2 of being rotatably connected with fixed ring 1, the poking column 21 of being installed on the inner side wall of locking ring 2, the contraction component of being connected fixed ring 1 and locking ring 2, locking baffle 15 limit stable ring 3, so that it is in stable state, poking column 21 pokes locking baffle 15, does not affect stable ring 3 insertion locking ring 2 inside this contraction component includes the fixed block 41 in fixed ring 1, the contraction spring 42 of being connected with one end of fixed block 41, the moving block 43 of being connected with the other end of contraction spring 42, when moving block 43 moves and extrudes contraction spring 42, contraction spring 42 generates elastic force, and elastic force can make moving block 43 reset, locking ring 2 is equipped with the connecting column 22 being connected with moving block 43, so that locking ring 2 and moving block 43 are connected into whole, so that whole moves in same direction, one end of locking baffle 15 is equipped with the convex 151 of integral structure, when installing the new flaw detector probe A of replacement, flaw detector probe A and stable ring 3 are inserted into the inside of fixed ring 1 and locking ring 2, locking ring 2 is rotated simultaneously, locking ring 2 and moving block 43 move in same direction, contraction spring 42 contracts, poking column 21 pokes locking baffle 15, so that convex 151 moves, when stable ring 3 and flaw detector connecting line joint B are accurately connected, locking ring 2 is loosened, and contraction spring 42 makes it reverse rotation reset, locking baffle 15 resets, and convex 151 is embedded in stable ring 3, to realize the locking of stable ring 3;Stable ring 3 is installed in the outside of one end of flaw detector probe A, and the outer surface of stable ring 3 is provided with clamping groove 32 and symmetrical distribution positioning column 31, stable ring 3 is inserted into the inside of locking ring 2, and stable ring 3 is locked, so that flaw detector probe A is installed.

[0025] In the embodiment, the surface of fixed ring 1 facing locking ring 2 is provided with movable ring groove b, fixed block 41, contraction spring 42 and moving block 43 are located in movable ring groove b, moving block 43 is arc-shaped, moving block 43 slides in movable ring groove b, locking baffle 15 is curved, convex 151 is isosceles right triangle, and one side of convex 151 matches the curved surface of locking baffle 15, convex 151 and clamping groove 32 are gap matched, convex 151 is embedded in clamping groove 32, so that stable ring 3 is locked, so that flaw detector probe A is installed.

[0026] In this embodiment, a curved positioning plate 16 is provided on the inner sidewall of the fixing ring 1. The two ends of the positioning plate 16 are bent. A movable cavity a is formed between one end of the positioning plate 16 and the locking spring plate 15. The actuating post 21 has an "L" shaped structure. The end of the actuating post 21 away from the locking ring 2 is located inside the movable cavity a. The actuating post 21 is tangent to the outer surface of the locking spring plate 15. The locking ring 2 and the moving block 43 move in the same direction. The contraction spring 42 contracts. The actuating post 21 actuates the locking spring plate 15, which can change the angle of the locking spring plate 15. The locking spring plate 15 is made of spring steel and has deformation capability.

[0027] In this embodiment, the inside of the fixing ring 1 is provided with a shielding ring 11, and the outer surface of the shielding ring 11 is provided with a centrally symmetrical fixing plate 12. The surface of the fixing plate 12 is provided with a magnetic piece 121 that is magnetically attracted to the positioning post 31. When the stabilizing ring 3 is inserted into the locking ring 2, the position of the stabilizing ring 3 is rotated so that the positioning post 31 is attracted to the magnetic piece 121. At this time, the positioning post 31 is opposite to the square groove 13.

[0028] In this embodiment, a square groove 13 that mates with the positioning post 31 is provided on the inner surface of the fixing ring 1. A magnetic block 14 that magnetically attracts the positioning post 31 is provided inside the square groove 13 of the fixing ring 1. The stabilizing ring 3 is inserted into the locking ring 2. The flaw detector probe A is connected to the flaw detector connection cable connector B. At this time, the positioning post 31 is inserted into the square groove 13 and magnetically attracted to the magnetic block 14. The slot 32 is opposite to the protrusion 151, which facilitates the accurate installation of the stabilizing ring 3 and the flaw detector probe A and makes them more confined.

[0029] Working principle and usage process of this utility model:

[0030] When installing the new flaw detector probe A and the flaw detector connection cable connector B...

[0031] Insert the stabilizing ring 3 into the locking ring 2;

[0032] Simultaneously rotating the locking ring 2 and the moving block 43 causes the spring 42 to contract.

[0033] The actuating pin 21 actuates the locking spring plate 15, thereby changing the angle between the locking spring plate 15 and the protrusion 151;

[0034] When the stabilizing ring 3 is inserted into the locking ring 2, rotate and adjust the position of the stabilizing ring 3 so that the positioning post 31 is attracted to the magnetic piece 121. At this time, the positioning post 31 is opposite to the square groove 13, and the slot 32 is opposite to the protrusion 151, which facilitates the accurate installation of the stabilizing ring 3 and the flaw detector probe A.

[0035] Continue to insert the stabilizing ring 3, connect the flaw detector probe A with the flaw detector connecting line connector B, at this time the positioning column 31 is inserted into the square groove 13 and is connected with the magnet round block 14 by magnetic adsorption, the clamping groove 32 is opposite to the protrusion 151, which facilitates accurate installation of the stabilizing ring 3 and the flaw detector probe A and makes them be limited;

[0036] Loosen the locking ring 2, the contraction spring 42 is reversely rotated and reset, the locking spring plate 15 is reset, the protrusion 151 is embedded into the stabilizing ring 3, and the locking of the stabilizing ring 3 is realized;

[0037] In summary, the locking design for quick replacement of the probe on the ultrasonic flaw detector is provided, the stabilizing ring 3 and the flaw detector probe A are inserted into the locking ring 2, the flaw detector probe A is connected with the flaw detector connecting line connector B, the protrusion 151 on the locking spring plate 15 is embedded into the clamping groove 32, and the locking of the stabilizing ring 3 and the flaw detector probe A is realized.

[0038] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A quick-change locking mechanism for an ultrasonic flaw detector probe, characterized in that: The utility model relates to a locking assembly for the probe of a flaw detector A locking assembly is installed on the outside of the probe connector B of a flaw detector, which comprises a fixed ring (1) installed on the outside of the probe connector B, a locking spring plate (15) installed on the inner wall of the fixed ring (1), a locking ring (2) rotatably connected to the fixed ring (1), a push column (21) installed on the inner wall of the locking ring (2), and a contraction assembly connecting the fixed ring (1) and the locking ring (2), which comprises a fixed block (41) inside the fixed ring (1), a contraction spring (42) connected to one end of the fixed block (41), and a moving block (43) connected to the other end of the contraction spring (42). The locking ring (2) is provided with a connecting column (22) connected to the moving block (43). One end of the locking spring plate (15) is provided with a protrusion (151) of integral structure. A stabilizing ring (3) is installed on the outside of one end of the probe A of a flaw detector, and the outer surface of the stabilizing ring (3) is provided with a clamping groove (32) and symmetrically distributed positioning columns (31).

2. The probe quick change locking mechanism for an ultrasonic flaw detector according to claim 1, characterized in that: The surface of the fixed ring (1) facing the locking ring (2) is provided with a movable ring groove b, and the fixed block (41), the contraction spring (42), and the moving block (43) are located in the movable ring groove b. The moving block (43) is arc-shaped.

3. The probe quick change locking mechanism for an ultrasonic flaw detector according to claim 1, characterized in that: The locking spring plate (15) is curved, the protrusion (151) is an isosceles right triangle, one side of the protrusion (151) matches the curved surface of the locking spring plate (15), and the protrusion (151) is gap-fitted with the clamping groove (32).

4. The probe quick change locking mechanism for an ultrasonic flaw detector according to claim 1, characterized in that: The inner wall of the fixed ring (1) is provided with a curved positioning plate (16), both ends of the positioning plate (16) are bent, and an active cavity a is formed between one end of the positioning plate (16) and the locking spring plate (15).

5. The probe quick change locking mechanism for an ultrasonic flaw detector according to claim 4, characterized in that: The push column (21) is "L"-shaped, one end of the push column (21) away from the locking ring (2) is located inside the active cavity a, and the push column (21) is tangent to the outer surface of the locking spring plate (15).

6. The probe quick change locking mechanism for an ultrasonic flaw detector according to claim 1, characterized in that: The inside of the fixed ring (1) is provided with a shielding ring (11), the outer surface of the shielding ring (11) is provided with a fixed plate (12) that is centrally symmetric, and the surface of the fixed plate (12) is provided with a magnet piece (121) magnetically attracted to the positioning column (31).

7. The probe quick change locking mechanism for an ultrasonic flaw detector according to claim 1, characterized in that: The inner surface of the fixed ring (1) is provided with a square groove (13) matched with the positioning column (31), and the inside of the fixed ring (1) located in the square groove (13) is provided with a magnet round block (14) magnetically attracted to the positioning column (31).

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