Welding seam firmness detection device for stud

By designing an automated stud weld strength testing device, which uses a geared motor to drive the working turntable, the problem of low efficiency in manual testing has been solved, and efficient and standardized weld testing has been achieved.

CN223883431UActive Publication Date: 2026-02-06SHANGHAI METALLURGICAL EQUIP CO LTD
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Patent Information

Application Number
CN202520008738.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2026-02-06
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

In the existing technology, the weld strength test of stud welding is done manually, which is inefficient, labor-intensive, and difficult to meet the requirements of nuclear power plant specifications.

Method used

Design a testing device that includes a control system and a workbench. The device uses a geared motor to drive the work turntable to rotate and uses a test block to bend the stud to test the weld strength, simplifying manual operation.

Benefits of technology

It has achieved automated testing, reduced labor intensity, improved testing efficiency, and can meet the testing standards of nuclear power plants.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a welding seam firmness detection device for a stud, which comprises a control system and a workbench, a fixture mounting block is arranged on the workbench, the fixture mounting block is connected with a tool fixture, a working turntable is arranged below the tool fixture, the working turntable is connected with a power device, and the power device is connected with the control system. A detection block is arranged on the working turntable; according to the utility model, the gear motor is utilized to drive the working turntable to rotate so as to drive the detection block to rotate, and the detection block bends the stud fixed in the fixing groove, so that the firmness degree of the welding seam between the stud and the welding block is tested.
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Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field, concretely is a kind of welding seam firmness detection device for stud. BACKGROUND

[0002] After stud and welding block are welded, its firmness needs to be tested, currently, stud welding seam firmness test is mainly relied on artificial completion, test efficiency is low, and detection personnel labor intensity is big, and it is not easy to meet the regulation of 5.4.3 in NB / T20275-2014 in stud welding inspection specification of pressurized water reactor nuclear power plant. CONTENT OF UTILITY MODEL

[0003] The utility model aims at providing a kind of welding seam firmness detection device for stud, to solve the problem raised in the above background technique.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of welding seam firmness detection device for stud, including control system and workbench, the workbench is equipped with fixture mounting block, the fixture mounting block is connected with tooling fixture, work carousel is equipped below the tooling fixture, the work carousel is connected with power device, and detection block is equipped on the work carousel;Degree scale is fixed below the work carousel.

[0005] Optionally, the tooling fixture is equipped with fixed groove matched with stud welding block.

[0006] Optionally, the power device includes reduction motor, the reduction motor is connected with driving wheel, the driving wheel is connected with triangular belt, the triangular belt is connected with passive wheel, the passive wheel is connected with the output shaft of gear reducer, the output shaft of gear reducer is connected with work carousel.

[0007] Optionally, stroke switch is equipped on the degree scale.

[0008] Optionally, the control system is electrically connected with reduction motor and stroke switch respectively.

[0009] Compared with prior art, the utility model has the beneficial effects that:

[0010] The utility model drives work carousel to rotate by reduction motor, thereby driving detection block to rotate, and detection block is pressed and bent to the stud fixed in fixed groove, thereby testing the firmness of stud and welding block welding seam, simple structure, without artificial pressing and bending stud, save time and effort. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the plan view of the utility model;

[0012] Figure 2 is a sectional view of the present application;

[0013] Figure 3 is a position diagram of the rotating disc of the present application;

[0014] Figure 4 is a position diagram of the fixed groove of the present application. DETAILED DESCRIPTION

[0015] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined application purposes, the specific embodiments, structures, features and effects according to the present application are described in detail as follows in combination with the drawings and preferred embodiments.

[0016] As shown in Figures 1-4 A kind of welding seam firmness detection device for stud, including workbench 11, the workbench 11 is equipped with clamp mounting block 6, the clamp mounting block 6 is connected with tooling fixture 1, tooling fixture 1 below is equipped with work rotating disc 9, the work rotating disc 9 is connected with power device, the work rotating disc 9 is equipped with detection block 2;Degree ruler 5 is fixed below the work rotating disc 9.

[0017] The tooling fixture 1 is equipped with fixed groove 14 matched with stud welding block.The power device includes reduction motor 3, the reduction motor 3 is connected with driving wheel 7, the driving wheel 7 is connected with triangular belt 8, the triangular belt 8 is connected with passive wheel 13, the passive wheel 13 is connected with the output shaft of gear reducer 4, the output shaft of gear reducer 4 is connected with work rotating disc 9.The degree ruler 5 is equipped with travel switch 12, and the control system is electrically connected with reduction motor 3 and travel switch 12 respectively.

[0018] The present application is rotated first by starting gear reduction motor 3 in working, and is speed-changed by gear reducer 4 through triangular belt 8, then work rotating disc 9 is rotated by the output shaft on gear reducer 4, detection block 2 is pressed and bent with stud, and the welding block welded with stud is placed in fixed groove 14 in tooling fixture 1, tooling fixture 1 is fixed on workbench 11, and welding seam firmness test is completed by rotating work rotating disc 9, and whether welding seam is qualified is determined by visually observing whether welding seam cracks.

[0019] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any person skilled in the art can make minor changes or modifications to the disclosed technical content to obtain equivalent embodiments with equivalent changes, as long as the changes or modifications do not deviate from the technical solution of the present application. Any indirect modification, equivalent change and modification of the above embodiments based on the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A weld soundness detection device for a stud, characterized by, The utility model relates to a kind of workbench and control system, including control system and workbench (11), the workbench (11) is equipped with fixture mounting block (6), the fixture mounting block (6) is connected with tooling fixture (1), work carousel (9) is equipped with detection block (2) in tooling fixture (1) below, work carousel (9) is connected with power device, work carousel (9) is equipped with detection block (2). Degree scale (5) is fixed below work carousel (9).

2. A weld integrity inspection apparatus for a stud as defined in claim 1, wherein The tooling fixture (1) is equipped with fixed groove (14) matched with stud welding block.

3. A weld integrity inspection apparatus for a stud as defined in claim 2, wherein The power device includes reduction motor (3), the reduction motor (3) is connected with driving wheel (7), the driving wheel (7) is connected with triangular belt (8), the triangular belt (8) is connected with passive wheel (13), the passive wheel (13) is connected with the output shaft of gear reducer (4), the output shaft of gear reducer (4) is connected with work carousel (9).

4. A weld integrity inspection apparatus for a stud as defined in claim 3, wherein Stroke switch (12) is equipped on the degree scale (5).

5. The weld integrity inspection apparatus for a stud according to claim 3, wherein The control system is electrically connected with reduction motor (3) and stroke switch (12) respectively.