Automatic eddy current testing seat

By designing an automated eddy current detection seat, using the first drive member to drive the valve to rotate, and using the movable probe assembly to perform eddy current detection in the vertical direction, the problem of the single detection position of the existing device is solved, eddy current detection of the entire range of the valve is achieved, and the risk of poor outflow due to cracks is controlled.

CN223346806UActive Publication Date: 2025-09-16GUANGZHOU NITTAN VALVE CO LTD
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Patent Information

Application Number
CN202422307322.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-09-16
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

The existing valve detection device has a single detection position and cannot fully detect cracks inside the valve, resulting in the risk of poor flow of new products.

Method used

An automated eddy current testing seat was designed, which included an assembly base, a mounting bracket, a measuring seat, a support rod, a first driving member and a movable probe assembly. The valve was rotated by the first driving member, and the movable probe assembly performed eddy current testing in the vertical direction, covering the entire range of the valve, and using a crack probe for detection.

Benefits of technology

It realizes eddy current detection of the entire valve range, controls the risk of poor outflow due to cracks, and improves the comprehensiveness and accuracy of detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic eddy current testing seat, comprising an assembling pedestal, a mounting support, a measuring seat and a supporting rod, the mounting support is fixed on the assembling pedestal, the measuring seat is fixed at the bottom of the mounting support, the bottom of the supporting rod is rotatably connected with the measuring seat, the top of the supporting rod is provided with a groove, and the groove is provided with a groove. The air valve is inserted into a groove in the top of the supporting rod; the first driving piece is in transmission connection with the supporting rod and is used for driving the air valve to rotate; according to the automatic eddy current detection seat, during detection, the first driving part drives the valve to rotate, and the mobile probe assembly performs eddy current detection on the valve in the vertical direction, so that the range, needing to be detected, of the valve is completely covered; and the risk of flow-out caused by poor cracks is controlled.
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Description

Technical Field

[0001] The utility model relates to the technical field of valve detection, in particular to an automatic eddy current detection seat. Background Art

[0002] During the preparatory stage for trial production of new valves, high internal strength is required. These valves are made of two materials connected by a shaft. If the joint conditions fluctuate during the joint process, cracks may form within the valve joint. Without eddy current testing, this can lead to poor flow. Existing testing devices have a limited number of test locations and are unable to fully inspect the valves. To address this, we propose an automated eddy current testing station. Utility Model Content

[0003] The purpose of the present invention is to provide an automated eddy current detection seat to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions: an automated eddy current detection seat, comprising:

[0005] An assembly base, a mounting bracket, a measuring base, and a support rod, wherein the mounting bracket is fixed on the assembly base, the measuring base is fixed on the bottom of the mounting bracket, the bottom of the support rod is rotatably connected to the measuring base, the top of the support rod is provided with a groove, and the valve is inserted into the groove on the top of the support rod;

[0006] a first driving member, the first driving member being drivingly connected to the support rod and configured to drive the valve to rotate;

[0007] A movable probe assembly is used for performing eddy current detection on a valve in a vertical direction.

[0008] Preferably, the mobile probe assembly includes an assembly bracket and two crack probes, the two crack probes are vertically distributed on the assembly bracket and fixedly connected to the assembly bracket, and the mobile probe assembly also includes a second driving member for driving the assembly bracket to move up and down.

[0009] Preferably, it also includes a bearing assembly for maintaining the vertical position of the valve, the bearing assembly includes a bearing seat and two limit bearings, the bearing seat is fixed on the mounting bracket, the two limit bearings are horizontally distributed on the bearing seat, and the inner ring of the limit bearing is fixed to the bearing seat, the valve is located between the two limit bearings, and is respectively slidably connected to the two limit bearings.

[0010] Preferably, two bearing assemblies are provided, and the two bearing assemblies are vertically distributed at the upper and lower ends of the valve.

[0011] Preferably, a through hole matching with the support rod is provided on the top of the measuring seat, one end of the support rod is slidably inserted into the through hole, and a limiting sleeve is fixed on the outer side of the support rod at the top of the measuring seat.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] During testing, the utility model drives the valve to rotate by the first driving member, and the movable probe assembly performs eddy current testing on the valve in the vertical direction, which completely covers the range of the valve that needs to be tested and controls the risk of crack outflow. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the mobile probe assembly of the utility model;

[0016] Figure 3 This is a schematic structural diagram of the bearing assembly of the utility model.

[0017] In the figure: 1. Assembly base; 2. Mounting bracket; 3. Measuring seat; 4. Support rod; 5. Mobile probe assembly; 6. Assembly bracket; 7. Crack probe; 8. Bearing seat; 9. Limit bearing; 10. Limit sleeve; 11. Valve; 12. Bearing assembly. DETAILED DESCRIPTION

[0018] 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 embodiments described 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.

[0019] See also Figure 1-3 The utility model provides a technical solution: an automated eddy current detection seat, comprising: an assembly base 1, a mounting bracket 2, a measuring seat 3 and a support rod 4, the mounting bracket 2 is fixed on the assembly base 1, the measuring seat 3 is fixed to the bottom of the mounting bracket 2, the bottom of the support rod 4 is rotatably connected to the measuring seat 3, the top of the support rod 4 is provided with a groove, and the valve 11 is inserted into the groove at the top of the support rod 4; a first driving member, the first driving member is transmission-connected to the support rod 4, and is used to drive the valve 11 to rotate; a movable probe assembly 5, and the movable probe assembly 5 is used to perform eddy current detection on the valve 11 in the vertical direction.

[0020] During the inspection, the valve 11 is driven to rotate by the first driving member, and the first driving member drives the support rod 4 using the existing driving method, such as a motor or other driving members. The movable probe assembly 5 performs eddy current detection on the valve 11 in the vertical direction, which completely covers the range of the valve 11 that needs to be inspected, and controls the risk of crack outflow.

[0021] As a preferred embodiment, the mobile probe assembly 5 includes an assembly bracket 6 and two crack probes 7, and eddy current detection is performed through the crack probes 7. The two crack probes 7 are vertically distributed on the assembly bracket 6 and fixedly connected to the assembly bracket 6. The mobile probe assembly 5 also includes a second driving member for driving the assembly bracket 6 to move up and down.

[0022] The second driving member adopts an existing linear driving method to enable the assembly bracket 6 to move up and down. For example, a linear guide rail or other driving member can achieve this function, which will not be described in detail here.

[0023] As a preferred embodiment, it also includes a bearing assembly 12 for maintaining the vertical position of the valve 11, the bearing assembly 12 includes a bearing seat 8 and two limit bearings 9, the bearing seat 8 is fixed on the mounting bracket 2, the two limit bearings 9 are horizontally distributed on the bearing seat 8, and the inner ring of the limit bearing 9 is fixed to the bearing seat 8, the valve 11 is located between the two limit bearings 9, and is respectively slidably connected to the two limit bearings 9. The bearing assembly 12 can prevent the valve 11 from tilting during the detection process.

[0024] As a preferred embodiment, two bearing assemblies 12 are provided, and the two bearing assemblies 12 are vertically distributed at the upper and lower ends of the valve 11, so that the vertical position of the valve 11 is more stable.

[0025] As a preferred embodiment, a through hole is provided on the top of the measuring seat 3 to cooperate with the support rod 4, one end of the support rod 4 is slidably inserted into the through hole, and the support rod 4 is located on the outside of the top of the measuring seat 3 and is fixed with a limiting sleeve 10. The support rod 4 is connected to the measuring seat 3 in a detachable manner, which facilitates the replacement of the support rod 4.

[0026] 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.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood 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 present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automated eddy current testing station, characterized by: include: An assembly base (1), a mounting bracket (2), a measuring seat (3), a valve (11) and a support rod (4), wherein the mounting bracket (2) is fixed on the assembly base (1), the measuring seat (3) is fixed on the bottom of the mounting bracket (2), the bottom of the support rod (4) is rotatably connected to the measuring seat (3), the top of the support rod (4) is provided with a groove, and the valve (11) is inserted into the groove on the top of the support rod (4); A first driving member, the first driving member being in driving connection with the support rod (4) and used for driving the valve (11) to rotate; A movable probe assembly (5) is used for performing eddy current detection on a valve (11) in a vertical direction.

2. The automated eddy current testing seat according to claim 1, characterized in that: The movable probe assembly (5) comprises an assembly bracket (6) and two crack probes (7), wherein the two crack probes (7) are vertically distributed on the assembly bracket (6) and fixedly connected to the assembly bracket (6). The movable probe assembly (5) further comprises a second driving member for driving the assembly bracket (6) to move up and down.

3. The automated eddy current testing seat according to claim 2, characterized in that: It also includes a bearing assembly (12) for maintaining the vertical position of the valve (11), the bearing assembly (12) includes a bearing seat (8) and two limit bearings (9), the bearing seat (8) is fixed on the mounting bracket (2), the two limit bearings (9) are horizontally distributed on the bearing seat (8), and the inner ring of the limit bearing (9) is fixed to the bearing seat (8), and the valve (11) is located between the two limit bearings (9) and is slidably connected to the two limit bearings (9) respectively.

4. The automated eddy current testing seat according to claim 3, characterized in that: Two bearing assemblies (12) are provided, and the two bearing assemblies (12) are vertically distributed at the upper and lower ends of the valve (11).

5. The automated eddy current testing seat according to claim 1, characterized in that: The top of the measuring seat (3) is provided with a through hole that matches the support rod (4), one end of the support rod (4) is slidably inserted into the through hole, and the support rod (4) is located on the outside of the top of the measuring seat (3) and is fixed with a limiting sleeve (10).