A fixture for ultrasonic phased array flaw detector

By designing a clamp that includes a mounting base, a clamping platform, an air pump, linear stop bars, and curved stop bars, the problem of unstable clamping of products with curved surfaces in the prior art has been solved, achieving a stable and secure clamping effect.

CN224535903UActive Publication Date: 2026-07-21成都易声科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
成都易声科技有限公司
Filing Date
2025-06-05
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The existing ultrasonic phased array flaw detector's clamps are prone to instability when holding products with curved surfaces.

Method used

A clamp was designed, comprising a mounting base, a clamping platform, an air pump, linear stop bars, arc-shaped stop bars, and movable stop bars. It utilizes the arc-shaped contact surface to contact the curved surface of the product and connects through a snap-fit ​​connector. Combined with pneumatic slides and magnetic connections, it achieves adaptive clamping for different sizes and surface shapes.

Benefits of technology

It ensures the stability and firmness of the clamping, adapts to products of different sizes and surface shapes, and has good versatility and clamping strength.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of clamps for ultrasonic phased array flaw detector, including installation base, clamping mesa and air pump, the side of linear baffle is provided with arc baffle, one end of arc baffle is provided with arc contact surface, both ends of arc contact surface are fixedly installed with clamping seat, arc baffle is clamped in the side of linear baffle by clamping seat, the other side of clamping mesa top end is provided with pneumatic slide, pneumatic slide is slidably connected with gas path slider in its inside, the top of gas path slider is installed with movable baffle.The utility model is through setting arc baffle in the side of linear baffle, one end of arc baffle is provided with arc contact surface, contact with the arc surface of product by arc contact surface, ensure contact area, and then ensure the stability and firmness of clamping, using the mode of clamping seat connection, the disassembly of arc baffle is facilitated, and then product with plane product surface can be adapted, with good versatility.
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Description

Technical Field

[0001] This utility model relates to the field of fixture technology, and in particular to a fixture for an ultrasonic phased array flaw detector. Background Technology

[0002] Ultrasonic phased array flaw detectors are advanced non-destructive testing equipment that offer greater flexibility and accuracy, and are widely used in various industries. When using them, proper placement and adjustment of the probe's position and angle are crucial to ensuring complete coverage of the inspection area and accurate data.

[0003] Existing technologies, such as the clamp for an ultrasonic phased array flaw detector disclosed in patent publication number CN222671757U, include a main body, a clamping adjustment mechanism, a rotation control mechanism, and a lifting detection mechanism. With the cooperation of the set mechanisms, this device can clamp and fix the workpiece to be tested. It can also rotate the clamped and fixed workpiece and fix its rotation position according to its measurement requirements. Its structure is simple and easy to use.

[0004] The disadvantage of the aforementioned fixture is that, since it achieves line contact clamping from four directions, it is prone to insecure clamping for products with curved surfaces. Utility Model Content

[0005] The purpose of this invention is to provide a fixture for an ultrasonic phased array flaw detector, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a clamp for an ultrasonic phased array flaw detector, comprising a mounting base, a clamping platform, and an air pump. The clamping platform is mounted on the top of the mounting base, and the air pump is placed in the inner cavity of the clamping platform. An integrally formed linear stop bar is provided on one side of the top of the clamping platform, and an arc-shaped stop bar is provided on one side of the linear stop bar. An arc-shaped contact surface is provided at one end of the arc-shaped stop bar, and locking seats are fixedly installed at both ends of the arc-shaped contact surface. The arc-shaped stop bar is locked to one side of the linear stop bar through the locking seats. A pneumatic slide is provided on the other side of the top of the clamping platform, and a pneumatic slide block is slidably connected inside the pneumatic slide. A movable stop bar is installed at the top of the pneumatic slide block.

[0007] Preferably, a sealing block is provided at the tail opening of the pneumatic slide, an air guide connector is installed at the output end of the air pump, an air supply pipe is installed at one end of the air guide connector, an air nozzle connector is provided at one end of the air supply pipe, and the air nozzle connector is connected to the air circuit of the air circuit slider through the sealing block.

[0008] Preferably, both ends of the movable stop bar are provided with an extended connecting frame, both ends of the extended connecting frame are equipped with a sliding arm, and the front and back of the clamping table are provided with auxiliary sliding grooves, and the sliding arm is slidably installed inside the corresponding auxiliary sliding groove.

[0009] Preferably, each of the two auxiliary sliding grooves is provided with a limiting groove located on the clamping platform, and each of the two limiting grooves is provided with a bar electromagnet. Adsorption magnets are installed on the inner arms of the two sliding arms, and the adsorption magnets are magnetically connected to the corresponding bar electromagnets.

[0010] Preferably, the length of the bar electromagnet is greater than the length of the pneumatic slide, and the adsorption area between the adsorption magnet and the bar electromagnet is not less than 0.01 m².

[0011] Preferably, the extended connecting frame is parallel to the top of the clamping platform and does not contact the top of the clamping platform.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] (1) This utility model provides a clamp for an ultrasonic phased array flaw detector. By setting an arc-shaped stop bar on one side of the linear stop bar and setting an arc-shaped contact surface at one end of the arc-shaped stop bar, the arc-shaped contact surface contacts the arc surface of the product to ensure the contact area, thereby ensuring the stability and firmness of the clamping. The clamping method adopts a snap-fit ​​connection to facilitate the disassembly of the arc-shaped stop bar, thus adapting to products with flat surfaces and having good versatility. By sliding the movable stop bar along the pneumatic slide, it can adapt to products of different sizes and uses an adsorption magnet to magnetically connect with the corresponding bar electromagnet to ensure the clamping firmness. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 This utility model Figure 1 A partially enlarged structural diagram.

[0016] Figure 3 This is a schematic diagram of the structure of the air nozzle connector of this utility model.

[0017] In the diagram: 1. Mounting base; 2. Clamping platform; 3. Linear stop bar; 4. Arc-shaped stop bar; 5. Snap-fit ​​seat; 6. Arc-shaped contact surface; 7. Pneumatic slide rail; 8. Movable stop bar; 9. Air path slider; 10. Extended connecting frame; 11. Sealing block; 12. Air supply line; 13. Auxiliary sliding groove; 14. Sliding arm; 15. Adsorption magnet; 16. Bar electromagnet; 17. Air nozzle connector; 18. Air pump; 19. Air guide connector. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] This utility model provides, for example Figure 1-3 The image shows a fixture for an ultrasonic phased array flaw detector.

[0020] Example 1: The fixture includes a mounting base 1, a clamping platform 2, and an air pump 18. The clamping platform 2 is mounted on the top of the mounting base 1, and the air pump 18 is placed in the inner cavity of the clamping platform 2. An integrally formed linear stop bar 3 is provided on one side of the top of the clamping platform 2. An arc-shaped stop bar 4 is provided on one side of the linear stop bar 3. An arc-shaped contact surface 6 is provided at one end of the arc-shaped stop bar 4. Both ends of the arc-shaped contact surface 6 are fixedly mounted with snap-fit ​​seats 5. The arc-shaped stop bar 4 is snapped onto one side of the linear stop bar 3 through the snap-fit ​​seats 5. A pneumatic slide 7 is provided on the other side of the top of the clamping platform 2. An air slide block 9 is slidably connected inside the pneumatic slide 7. A movable stop bar 8 is installed on the top of the air slide block 9.

[0021] Among them, as attached Figure 1 and 3 As shown, in order to better pneumatically drive the movement of the air path slider 9, a sealing block 11 is provided at the tail opening of the pneumatic slide 7, an air guide connector 19 is installed at the output end of the air pump 18, an air supply pipe 12 is installed at one end of the air guide connector 19, and an air nozzle connector 17 is provided at one end of the air supply pipe 12. The air nozzle connector 17 is connected to the air path slider 9 through the sealing block 11.

[0022] The above solution includes a linear stop bar 3, an arc-shaped stop bar 4 with an arc-shaped contact surface 6, and a movable stop bar 8, which can clamp products of different sizes and products with arc-shaped surfaces, and is also suitable for products with flat surfaces, thus having good versatility.

[0023] Example 2: The fixture includes a mounting base 1, a clamping platform 2, and an air pump 18. The clamping platform 2 is mounted on the top of the mounting base 1, and the air pump 18 is placed in the inner cavity of the clamping platform 2. One side of the top of the clamping platform 2 is provided with an integrally formed linear baffle 3, and the other side of the top of the clamping platform 2 is provided with a pneumatic slide 7. The pneumatic slide 7 is slidably connected to an air path slider 9. The top of the air path slider 9 is provided with a movable baffle 8. The tail opening of the pneumatic slide 7 is provided with a sealing block 11. The output end of the air pump 18 is provided with an air guide connector 19. One end of the air guide connector 19 is provided with an air supply pipe 12. One end of the air supply pipe 12 is provided with an air nozzle connector 17. The air nozzle connector 17 is connected to the air path slider 9 through the sealing block 11.

[0024] The movable stop bar 8 is provided with an extended connecting frame 10 at both ends (the extended connecting frame 10 is parallel to the top of the clamping table 2 and does not contact the top of the clamping table 2). The extended connecting frame 10 is provided with a sliding arm 14 at both ends. The front and back of the clamping table 2 are provided with auxiliary sliding grooves 13. The sliding arm 14 is slidably installed inside the corresponding auxiliary sliding groove 13. The two auxiliary sliding grooves 13 are provided with a limiting groove on the clamping table 2 above them. The two limiting grooves are provided with a bar electromagnet 16 inside them. The inner arm of the two sliding arms 14 is provided with an adsorption magnet 15. The adsorption magnet 15 is magnetically connected to the corresponding bar electromagnet 16.

[0025] Furthermore, to ensure the magnetic attraction force, the length of the bar electromagnet 16 is greater than the length of the pneumatic slide 7, and the attraction area between the adsorption magnet 15 and the bar electromagnet 16 is not less than 0.01㎡.

[0026] In use, the product is placed on the clamping platform 2, and clamped using linear stop bars 3 and movable stop bars 8. Once clamped in place, the bar electromagnet 16 is energized, generating magnetic force that attracts the magnet 15, thus securing and limiting the clamped product to ensure its stability. Simultaneously, the solution incorporates a sliding arm 14, which is slidably mounted in the corresponding auxiliary sliding groove 13, providing good stability for the movable stop bar 8 during horizontal movement.

[0027] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.

Claims

1. A fixture for an ultrasonic phased array flaw detector, comprising a mounting base (1), a clamping platform (2), and an air pump (18), wherein the clamping platform (2) is mounted on the top of the mounting base (1) and the air pump (18) is located within the cavity of the clamping platform (2), characterized in that, One side of the top of the clamping table (2) is provided with an integrally formed linear baffle (3), and one side of the linear baffle (3) is provided with an arc-shaped baffle (4). One end of the arc-shaped baffle (4) is provided with an arc-shaped contact surface (6). Both ends of the arc-shaped contact surface (6) are fixedly installed with snap-fit ​​seats (5). The arc-shaped baffle (4) is snapped onto one side of the linear baffle (3) through the snap-fit ​​seats (5). The other side of the top of the clamping table (2) is provided with a pneumatic slide (7). The pneumatic slide (7) is slidably connected to a pneumatic slide block (9). The top of the pneumatic slide block (9) is provided with a movable baffle (8).

2. A fixture for an ultrasonic phased array flaw detector according to claim 1, characterized in that, The pneumatic slide (7) has a sealing block (11) at its tail opening. The output end of the air pump (18) is equipped with an air guide connector (19). One end of the air guide connector (19) is equipped with an air supply pipe (12). One end of the air supply pipe (12) is equipped with an air nozzle connector (17). The air nozzle connector (17) is connected to the air path slider (9) through the sealing block (11).

3. A fixture for an ultrasonic phased array flaw detector according to claim 1, characterized in that, Both ends of the movable stop bar (8) are provided with an extended connecting frame (10), and both ends of the extended connecting frame (10) are equipped with a sliding arm (14). The front and back of the clamping table (2) are provided with auxiliary sliding grooves (13), and the sliding arm (14) is slidably installed inside the corresponding auxiliary sliding groove (13).

4. A fixture for an ultrasonic phased array flaw detector according to claim 3, characterized in that, Above each of the two auxiliary sliding grooves (13) is a limiting groove located on the clamping table (2). Inside each of the two limiting grooves is a bar electromagnet (16). At the inner arm of each of the two sliding arms (14) is an adsorption magnet (15), and the adsorption magnet (15) is magnetically connected to the corresponding bar electromagnet (16).

5. A fixture for an ultrasonic phased array flaw detector according to claim 4, characterized in that, The length of the bar electromagnet (16) is greater than the length of the pneumatic slide (7), and the adsorption area between the adsorption magnet (15) and the bar electromagnet (16) is not less than 0.01㎡.

6. A fixture for an ultrasonic phased array flaw detector according to claim 3, characterized in that, The extended connecting frame (10) is parallel to the top of the clamping platform (2) and does not contact the top of the clamping platform (2).