Stress wave sensing type defect detection device

Abstract

The utility model discloses a stress wave sensing type defect detection device, which relates to the field of nondestructive testing and comprises a detection casing and an assembly mechanism, a point block is annularly arranged on the outer side of the bottom end of the detection casing, a machine installation part is arranged in the middle of the bottom end of the detection casing, an insertion hole is annularly formed in the bottom end of the machine installation part, and a plurality of insertion holes are formed in the insertion hole. According to the stress wave sensing type defect detection device, the internal adding block is arranged on the machine installation part, the inserting block at the bottom of the internal adding block can be stably inserted into the inserting hole in the bottom of the machine installation part, and the internal adding block is fixed to the inner side of the machine installation part. When the toothed plate extending from the front surface of the inner adding block is in contact with the surface of the detected object, the friction force and the contact force between the detected object and the machine-mounted part can be remarkably increased, the stability of the detection process is improved, and the reliability of the detection result is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of nondestructive testing technology, and particularly relates to a stress wave sensing type defect detection device. BACKGROUND

[0002] In modern industrial production and infrastructure construction, it is crucial to ensure the safety and reliability of various materials, components and equipment, and stress wave sensing type defect detection technology emerges as the times require and becomes one of the key means in the field of nondestructive testing. However, the existing stress wave sensing type defect detection device has exposed many problems in actual application, and needs to be improved urgently.

[0003] The traditional detection device has obvious deficiencies in installation and fixation. Most devices only have simple fitting or clamping methods, and it is difficult to achieve stable installation on various complex shapes and surface conditions of the detected objects. For example, for parts with irregular shapes, the conventional detection device cannot be closely fitted, which leads to displacement during the detection process, making the stress wave signal collection inaccurate, and seriously affecting the reliability of the detection results. In addition, when detecting large equipment or structures, the device is difficult to install stably, and frequent position adjustment greatly reduces the detection efficiency.

[0004] When dealing with different sizes and shapes of detected objects, the adaptability of the existing detection device is very poor. The structure design of many detection devices is fixed, and cannot be flexibly adjusted according to the actual situation of the detected object. When facing objects with small pipe diameter or thin thickness, the device cannot effectively contact and collect stress wave signals; and for large and special-shaped objects, due to the lack of expandable or adaptive assembly structure, the detection work cannot be carried out smoothly. This not only limits the application range of the detection device, but also makes it difficult to meet the high-precision detection requirements in some key fields such as aerospace, energy and power.

[0005] Therefore, in view of the existing deficiencies, a stress wave sensing type defect detection device is proposed. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a stress wave sensing type defect detection device to solve the problems in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a stress wave sensing type defect detection device, comprising: a detection machine shell, an assembly mechanism, a point block is arranged on the outer side of the bottom end of the detection machine shell in a ring shape, a machine assembly part is arranged at the middle of the bottom end of the detection machine shell, and a plug hole is formed in the ring shape at the bottom end of the machine assembly part.

[0008] The assembly mechanism is used for installing the detection machine shell outside the detected object.

[0009] Furthermore, the assembly mechanism includes an arc plate, a support rod, a toothed plate, an inner extension block, an insert block, a toothed plate, and a hole. The insertion hole at the bottom of the assembly part is provided with a hole, the bottom of the hole is provided with an inner extension block, and the front end of the inner extension block is provided with a toothed plate.

[0010] Furthermore, the back of the internal extension block is provided with a flat part, and holes are provided on both sides of the top of the flat part. A support rod is inserted into the hole, a toothed plate is provided at the bottom of the support rod, and an arc plate is fixedly provided at the front end of the toothed plate.

[0011] Furthermore, the toothed plate and the bottom end of the support rod are connected by welding, and the cross-sectional structure of the toothed plate is an L-shape.

[0012] Furthermore, the thickness of the flat portion of the inner growth block is less than the thickness of the rest of the inner growth block.

[0013] Furthermore, the arc length of the internal extension block is equal to one-quarter of the arc length of the mechanical assembly.

[0014] Furthermore, the surface of the toothed plate is provided with an uneven contact surface structure.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model effectively prevents displacement due to external collisions by setting an internal support block in the assembly part, thereby improving the stability of the detection process and ensuring the reliability of the detection results;

[0017] 2. By inserting the support rod into the hole of the internal support block, this utility model significantly improves the applicability of the detection device, enabling it to cope with more diverse detection scenarios. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the first appearance structure of the present utility model;

[0019] Figure 2 This is a schematic diagram of the second appearance structure of the present utility model;

[0020] Figure 3 This is a schematic diagram of the first mechanical assembly structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the second mechanical assembly structure of this utility model;

[0022] Figure 5 This utility model Figure 4 A magnified structural diagram at point a;

[0023] Figure 6 This is a schematic cross-sectional view of the mechanical assembly of this utility model;

[0024] Figure 7 The utility model discloses an assembly mechanism structure schematic view.

[0025] In the drawing: 1, detection machine shell, 2, arc plate, 3, support pole, 4, tooth plate, 5, inner increase block, 6, point block, 7, machine installation part, 8, plug-in block, 9, tooth plate, 10, hole. DETAILED DESCRIPTION

[0026] The utility model discloses an assembly mechanism structure schematic view.

[0027] As Figures 1-6 The utility model discloses a stress wave sensing type defect detection device, include: detection machine shell 1, assembly mechanism, detection machine shell 1 bottom outside annular setting has point block 6, detection machine shell 1 bottom middle part is provided with machine installation part 7, and the plug-in hole is formed in the bottom annular of machine installation part 7;

[0028] The assembly mechanism is used for mounting the detection machine shell 1 on the outside of the detected object.

[0029] The assembly mechanism includes the arc plate 2, the support pole 3, the tooth plate 4, the inner increase block 5, the plug-in block 8, the tooth plate 9 and the hole 10, the hole 10 is inserted into the plug-in hole in the bottom of the machine installation part 7, the bottom of the hole 10 is provided with the inner increase block 5, and the front end of the inner increase block 5 is provided with the tooth plate 9.

[0030] In addition, the inner increase block 5 is fixedly provided with the plug-in block 8 at the bottom, and the plug-in block 8 can be inserted into the plug-in hole formed in the bottom annular of the machine installation part 7, so that the inner increase block 5 is fixed to the inner side of the machine installation part 7, the tooth plate 9 is provided with the tooth plate 9 on the front surface, and the surface of the tooth plate 9 is provided with a plurality of concave-convex contact surface structures, so that when the tooth plate 9 contacts the surface of the detected object inserted into the machine installation part 7, the tooth plate 9 can increase the contact force between the surface of the detected object and the machine installation part 7, so as to ensure the detection strength between the detection machine shell 1 and the point block 6 and the detected object.

[0031] In addition, the whole structure of the inner increase block 5 can be attached to the inner and outer sides of the machine installation part 7, the front end of the inner increase block 5 is higher than the height of the rear end of the inner increase block 5, and the whole structure of the inner increase block 5 is a quarter of a circle, so that when the inner increase block 5 is assembled on the outer side of the machine installation part 7, the inner increase block 5 will not be offset due to external impact.

[0032] As Figures 1-6As shown, a stress wave sensing type defect detection device, the back of the inner block 5 is provided with a flat type, the top of the flat type is provided with a hole 10, the inside of the hole 10 is provided with a support rod 3, the bottom of the support rod 3 is provided with a tooth plate 4, the front end of the tooth plate 4 is fixedly provided with an arc plate 2:

[0033] The rest, because many detected objects cannot be inserted into the machine part 7 inside and between the detection machine shell 1 bottom, point block 6 detection processing, at this time the support rod 3 is inserted into the hole 10 inside, because the bottom of the support rod 3 and the tooth plate 4 are welded connection, and the top of the tooth plate 4 and the arc plate 2 are fixedly connected, and the height of the arc plate 2 is higher than the height of the machine part 7, so when the arc plate 2 is inserted into the machine part 7 inside, the overall assembly height of the machine part 7 is extended.

[0034] Working principle: when using the stress wave sensing type defect detection device, first, the detection machine shell 1 is placed on the surface of the detected object, then the plug 8 on the top of the inner block 5 is inserted into the plug hole on the bottom of the machine part 7, then the tooth plate 9 on the front of the inner block 5 is inserted into the machine part 7 inside, and the tooth plate 9 can adapt to the cylindrical structure of the detected object inserted into the machine part 7, the plurality of concave and convex planes on the surface of the tooth plate 9 can increase the pressure between the surface of the detected object, when the surface of the detected object cannot be inserted into the machine part 7, the user inserts the support rod 3 into the hole 10, and the tooth plate 4 at the bottom of the support rod 3 and the arc plate 2 are welded, at this time the arc plate 2 can extend the contact depth between the machine part 7 and the detected object, which is the working principle of the stress wave sensing type defect detection device.

[0035] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations are obvious to those skilled in the art. The embodiments are selected and described in order to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A stress wave sensing type defect detection apparatus comprising: The utility model provides a detection machine shell (1), assembly mechanism, its characterized in be that the detection machine shell (1) bottom end's outside annular arrangement has point position block (6), and the detection machine shell (1) bottom end's middle part is provided with machine installation part (7), and the bottom end of machine installation part (7) is annular and is provided with the insertion hole. The assembly mechanism is used for mounting the detection machine shell (1) on the outside of the object to be detected.

2. The stress wave sensing type defect detection apparatus according to claim 1, wherein The assembly mechanism comprises an arc plate (2), a support rod (3), a tooth plate (4), an inner reinforcing block (5), an insertion block (8), a toothed plate (9) and a hole (10), the hole (10) is inserted into the insertion hole at the bottom end of the machine installation part (7), the bottom of the hole (10) is provided with the inner reinforcing block (5), and the front end of the inner reinforcing block (5) is provided with the toothed plate (9).

3. The stress wave sensing type defect detection apparatus according to claim 2, wherein The back of the inner reinforcing block (5) is provided with a flat part, the two sides of the top end of the flat part are provided with the holes (10), the holes (10) are inserted with the support rod (3), the bottom end of the support rod (3) is provided with the tooth plate (4), and the front end of the tooth plate (4) is fixedly provided with the arc plate (2).

4. The stress wave sensing type defect detection apparatus according to claim 3, wherein The bottom end of the tooth plate (4) and the support rod (3) is welded, and the cross-sectional structure of the tooth plate (4) is L-shaped.

5. The stress wave sensing type defect detection apparatus according to claim 3, wherein The thickness of the flat part of the inner reinforcing block (5) is less than the thickness of the rest part of the inner reinforcing block (5).

6. The stress wave sensing type defect detection apparatus according to claim 3, wherein The arc length of the inner reinforcing block (5) is equal to one fourth of the arc length of the machine installation part (7).

7. The stress wave sensing type defect detection apparatus according to claim 3, wherein The surface of the toothed plate (9) is provided with a rough contact surface structure.

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