CN109556972B - Stud welding strength's detection instrument - Google Patents
Stud welding strength's detection instrument Download PDFInfo
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- CN109556972B CN109556972B CN201910062608.XA CN201910062608A CN109556972B CN 109556972 B CN109556972 B CN 109556972B CN 201910062608 A CN201910062608 A CN 201910062608A CN 109556972 B CN109556972 B CN 109556972B
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- 238000001514 detection method Methods 0.000 title claims abstract description 258
- 238000003466 welding Methods 0.000 title claims abstract description 63
- 238000005452 bending Methods 0.000 claims abstract description 39
- 230000001066 destructive effect Effects 0.000 claims description 12
- 238000007689 inspection Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- Force Measurement Appropriate To Specific Purposes (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a detection tool for stud welding strength, which comprises: the detection tool body is provided with a first threaded hole at the first axial end, and can be in threaded connection with the stud through the first threaded hole to detect the torsion strength or the tensile strength of the stud; the second end of the axial direction of the detection tool body is provided with a cylindrical first hole, and the detection tool body can be sleeved with the stud through the first hole to detect the bending moment force intensity of the stud; the control assembly can be connected with the detection tool main body, when the first threaded hole is in threaded connection with the stud, the control assembly can drive the detection tool main body to screw the stud in a horizontal plane or lift the stud in a vertical direction, and when the first hole is sleeved with the stud, the control assembly can drive the detection tool main body to break the stud in the vertical plane. The detection tool main body is driven by the control assembly, so that bending moment force intensity detection, torsion force intensity detection or tension force intensity detection can be respectively carried out on the stud in different external force environments.
Description
Technical Field
The invention relates to the technical field of welding strength detection equipment, in particular to a detection tool for stud welding strength.
Background
With the rapid development of welding technology, more and more products need to use stud welding technology, and due to the variety of materials of welding products, the weldability of the materials is different, and the welding strength needs to be detected and evaluated. At present, a hammer beating or vice bending mode is adopted for detecting welding strength. When the diameter of the stud is large, the method is inconvenient to operate, and limit data (such as bending moment force, torsion force or tensile force) of welding strength cannot be tested. In addition, the existing test method cannot perform corresponding detection according to the type of external force applied to the stud in use, so that the detection result is inaccurate.
Therefore, there is a need for a stud welding strength testing tool that can apply different types of forces to a stud to facilitate stud welding destructive strength testing.
Disclosure of Invention
The invention aims to provide a detection tool for stud welding strength, which can apply different types of forces to a stud so as to conveniently perform a stud welding destructive strength test and assist in collecting bending moment force, torsion force or tension data which can be born by stud welding.
To achieve the purpose, the invention adopts the following technical scheme:
A stud weld strength detection tool, the stud weld strength detection tool comprising:
the detection tool body comprises a first end and a second end which are axially arranged along the detection tool body, wherein the first end is provided with a first threaded hole, and the detection tool body can be in threaded connection with the stud through the first threaded hole; the second end is provided with a cylindrical first hole, and the detection tool main body can be sleeved with the stud through the first hole;
The control assembly can be connected with the detection tool main body, when the first threaded hole is in threaded connection with the stud, the control assembly can be screwed in a horizontal plane through the detection tool main body to the stud for detecting the torsion strength of the stud, or the control assembly can be pulled up in the vertical direction through the detection tool main body to the stud for detecting the tension strength of the stud, and when the first hole is sleeved with the stud, the control assembly can be pulled up in the vertical plane through the detection tool main body to the stud for detecting the bending moment force strength of the stud.
As the preferable scheme of the detection tool for the stud welding strength, the control assembly comprises an extension rod, one end of the extension rod is provided with a second threaded hole, the outer surface of the first end is provided with external threads, and the second threaded hole is in threaded fit with the external threads;
When the first hole is sleeved with the stud, the extension rod is in threaded connection with the first end, and the detection tool main body can be driven by the extension rod to break the stud in a vertical plane for detecting destructive bending moment force intensity of stud welding.
As the preferable scheme of the detection tool for the stud welding strength, the outer surface of the second end is a conical surface, and the conical diameter of the conical surface gradually increases along the direction from the second end to the first end.
As a preferable scheme of the detection tool for stud welding strength, the taper of the conical surface is in degrees.
As the preferable scheme of the detection tool for stud welding strength, the detection tool main body further comprises a main body part, the main body part is in a hexagonal prism shape, the first end and the second end are respectively arranged at two axial ends of the main body part, the control assembly further comprises a detection wrench and a hexagonal sleeve, one end of the hexagonal sleeve is provided with a second hole with a hexagonal cross section, the other end of the hexagonal sleeve is provided with a third hole with a square cross section, the hexagonal sleeve can be sleeved on the outer surface of the main body part through the second hole and can be clamped with the main body part, one end of the detection wrench is provided with a driving square head, the driving square head can be inserted into the third hole and clamped with the hexagonal sleeve, and the extending direction of the detection wrench is perpendicular to the axis of the hexagonal sleeve;
When the first threaded hole is in threaded connection with the stud, the hexagonal socket is sleeved on the main body portion, and the detection wrench is in clamping connection with the hexagonal socket, the detection wrench can drive the detection tool main body to screw the stud in a horizontal plane through the hexagonal socket for torsion strength detection.
As a preferable scheme of the detection tool for stud welding strength, the control assembly further comprises a detection tool accessory, a detection wrench can be clamped with the detection tool accessory, and the detection tool accessory can be clamped with the outer surface of the detection tool main body;
When the first hole is sleeved with the stud, the detection wrench can drive the detection tool main body to break the stud along a vertical plane through the detection tool accessory for detecting bending moment force intensity; or the detection wrench drives the detection tool main body to lift the stud in the vertical direction through the detection tool accessory for detecting the tensile strength.
As the preferable scheme of the detection tool for stud welding strength, the outer side wall of the detection tool main body is provided with two mutually parallel positioning surfaces, the two positioning surfaces are recessed towards the inside of the detection tool main body, and stop steps are formed at the two ends of the positioning surfaces along the axis of the detection tool main body;
The detection tool accessory comprises a first connecting part and a second connecting part which are parallel to each other, wherein the first connecting part can be clamped between two stop steps at two ends of one positioning surface, and the second connecting part can be clamped between two stop steps at two ends of the other positioning surface.
As the detection tool's of double-screw bolt welding strength preferred scheme, detection tool annex is the U type, still including connecting first connecting portion with the third connecting portion of second connecting portion, be provided with fourth hole and third screw hole on the third connecting portion, the third screw hole with fourth hole intercommunication, detect the drive square head of spanner one end can peg graft in the fourth hole, works as the drive square head peg graft in when the fourth hole, through bolt or screw spiro union in third screw hole and support tightly in the drive square head.
As the preferable scheme of the detection tool for the stud welding strength, a fourth threaded hole is formed in the second connecting portion, and when the detection tool accessory is clamped with the detection tool main body through the first connecting portion and the second connecting portion, the detection tool accessory is screwed into the fourth threaded hole through a bolt or a screw and abuts against the outer surface of the detection tool main body.
As the preferable scheme of the stud welding strength detection tool, the detection wrench is a pointer type torque detection wrench or a prefabricated torque detection wrench, a readable pointer scale is arranged on the pointer type torque wrench, and the prefabricated torque detection wrench can preset the maximum torque or bending moment force.
The invention has the beneficial effects that:
The invention provides a detection tool for stud welding strength, which comprises a detection tool main body, wherein the detection tool main body comprises a first end and a second end which are axially arranged along the detection tool main body, the first end is provided with a first threaded hole, and the detection tool main body can be in threaded connection with a stud through the first threaded hole; the second end is provided with a cylindrical first hole, and the detection tool main body can be sleeved with the stud through the first hole; the control assembly can be connected with the detection tool main body, and when the first threaded hole is in threaded connection with the stud, the control assembly can drive the detection tool main body to screw the stud in a horizontal plane or lift the stud in a vertical direction, so as to detect torsion strength or tensile strength; when the first hole is sleeved with the stud, the control assembly can drive the detection tool main body to break the stud along the vertical plane for detecting the bending moment force intensity of the stud. The detection tool main body is driven by the control assembly, so that bending moment force intensity detection, torsion force intensity detection or tension force intensity detection can be respectively carried out on the stud in different external force environments.
Drawings
Fig. 1 is a schematic structural diagram of a detection body according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a detection body according to a first embodiment of the present invention;
FIG. 3 is a cross-sectional view of a test body according to a first embodiment of the present invention along an axial direction;
FIG. 4 is a schematic view of a detection tool accessory according to a first embodiment of the present invention;
FIG. 5 is a cross-sectional view of a hex sleeve according to a first embodiment of the present invention taken along an axial direction;
FIG. 6 is a schematic diagram of a destructive bending moment force detection of a stud by a detection tool body for an extension bar according to a first embodiment of the present invention;
FIG. 7 is a schematic diagram of a pointer torque detection wrench for performing ultimate torque strength detection on a stud through a hexagonal socket and a detection tool body according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a prefabricated torque detection wrench for nondestructive torque strength detection of a stud through a hex socket and a detection tool body according to a first embodiment of the present invention;
FIG. 9 is a schematic diagram of a pointer torque force detection wrench for detecting ultimate bending moment force strength of a stud through a detection tool attachment and a detection tool body according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of a prefabricated torque force detection wrench for nondestructive bending moment force intensity detection of a stud by a detection tool attachment and a detection tool body according to a first embodiment of the present invention;
FIG. 11 is a schematic diagram of a first simplified structure of a detection body according to a second embodiment of the present invention;
FIG. 12 is a schematic view of a second simplified structure of a detecting body according to a second embodiment of the present invention;
fig. 13 is a schematic diagram of a third simplified structure of a detection body according to a second embodiment of the present invention.
In the figure:
1. a detection tool body; 11. a first end; 111. a first threaded hole; 112. an external thread; 12. a second end; 121. a first hole; 122. a conical surface; 13. a main body portion; 131. a positioning surface; 132. a stop step;
2. An extension bar;
3. a hexagonal socket; 31. a second hole; 32. a third hole;
4. detecting a tool attachment; 41. a first connection portion; 42. a second connecting portion; 421. a fourth threaded hole; 43. a third connecting portion; 431. a fourth hole; 432. a third threaded hole;
5. pointer type torque force detecting spanner; 51. a readable pointer scale;
6. a prefabricated torque force detection wrench;
7. a stud;
8. The workpiece being welded.
Detailed Description
The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Example 1
The present embodiment provides a tool for detecting stud welding strength, which mainly detects the welding strength of a stud 7 welded to a workpiece 8 to be welded, and in particular can detect the welding strength of the stud 7 by applying bending moment force, torsion force or pulling force to the stud 7.
Referring to fig. 1 to 10, the detection tool for stud welding strength includes a detection tool body 1 and a control assembly, a first end 11 and a second end 12 are respectively provided along an axial direction of the detection tool body 1, the first end 11 is provided with a first threaded hole 111, and the detection tool body 1 can be in threaded connection with the stud 7 through the first threaded hole 111; the second end 12 is provided with a cylindrical first hole 121, through which the detection tool body 1 can be sleeved with the stud 7. The control assembly can be connected with the detection tool main body 1, and when the first threaded hole 111 is in threaded connection with the stud 7, the control assembly can drive the detection tool main body 1 to screw the stud 7 in a horizontal plane so as to detect the torsion strength of the stud 7, or can drive the detection tool main body 1 to lift the stud 7 in the vertical direction so as to detect the tension strength of the stud 7; when the first hole 121 is sleeved with the stud 7, the control assembly can drive the detection tool body 1 to break the stud 7 in a vertical plane, so as to detect the bending moment force intensity of the stud 7. In the embodiment, the detection tool main body 1 is driven by the control assembly, so that the detection of bending moment force intensity, torsion force intensity or tension force intensity can be respectively carried out on the stud 7 in different external force environments.
It should be noted that, considering that the types of the studs 7 actually used are various, corresponding detection tool bodies 1 can be set corresponding to different studs 7, that is, the first threaded holes 111 and the first holes 121 on the detection tool bodies 1 can be matched with the corresponding studs 7, and a standard part library is formed by a plurality of different detection tool bodies 1, in this embodiment, the standard part library at least includes 5 detection tool bodies 1 with specifications, and the studs respectively correspond to the screw diameters M3, M4, M5, M6 and M8.
Referring to fig. 1 to 3 and fig. 6, the control assembly includes an extension bar 2, one end of the extension bar 2 is provided with a second threaded hole, the outer surface of the first end 11 is provided with an external thread 112, and the second threaded hole is in threaded fit with the external thread 112; when the first hole 121 is sleeved with the stud 7, the extension rod 2 is in threaded connection with the first end 11, and the detection tool body 1 can be driven by the extension rod 2 to break the stud 7 in a vertical plane for detecting destructive bending moment force intensity of stud welding.
Preferably, the outer surface of the second end 12 is a conical surface 122, and the conical diameter of the conical surface 122 gradually increases along the direction from the second end 12 to the first end 11, so that when the stud 7 is broken in a vertical plane, the end of the second end 12 is not contacted with the workpiece 8 to be welded, and the breaking angle of the extension bar 2 can be ensured. Specifically, the taper of the taper surface 122 is 60 °, but the taper of the taper surface 122 in this embodiment is not limited to this angle, and may be set to any other angle among 0to 90 °. The destructive bending moment force detection of the stud 7 by the extension bar 2 can be used for roughly judging the welding strength of the stud 7 under the condition that the limit stress is exceeded.
Referring to fig. 5, 7 and 8, the control assembly further includes a detection wrench and a hexagonal socket 3, wherein one end of the hexagonal socket 3 is provided with a second hole 31 with a hexagonal cross section, and the other end is provided with a third hole 32 with a square cross section. The detection tool main body 1 further comprises a main body portion 13, the outer surface of the main body portion 13 is in a hexagonal prism shape, the first end 11 and the second end 12 are respectively arranged at two ends of the main body portion 13 in the axial direction, the hexagonal socket 3 can be sleeved on the outer surface of the main body portion 13 through a second hole 31 and can be clamped with the main body portion 13, specifically, the hexagonal socket 3 can be clamped with the main body portion 13 in the horizontal direction, one end of the detection wrench is provided with a driving square head, the driving square head can be inserted into a third hole 32 and clamped with the hexagonal socket 3, and the extending direction of the detection wrench is perpendicular to the axis of the hexagonal socket 3. When the first threaded hole 111 is in threaded connection with the stud 7, the hexagonal socket 3 is sleeved on the main body portion 13, and the detection wrench is clamped with the hexagonal socket 3, the detection wrench drives the detection tool main body 1 to screw the stud 7 in a horizontal plane through the hexagonal socket, and is used for detecting the torsional strength of the stud 7. It will be appreciated that the diameter of the circumscribing circle of the hexagonal configuration of the body portion 13 is not less than the diameter of the first end 11 so that the first end 11 can be smoothly inserted into the hexagonal socket 3.
Referring to fig. 7 and 8 again, the detecting wrench may be a pointer type torque detecting wrench 5 or a prefabricated torque detecting wrench 6. The pointer type torque wrench is provided with a readable pointer scale 51. When the pointer type torque force detection wrench 5 is connected to the outer surface of the main body 13 through the hexagonal socket 3, the torque force can be applied to the detection tool main body 1 through the pointer type torque force detection wrench 5, in the detection process, the stud 7 is screwed through the pointer type torque force detection wrench 5, when the stud 7 is broken, a sliding wire or a welding spot is dropped off due to the yielding of the stud 7, the torque force value is read from the readable pointer scale 51, and the limit torque force value which can be born by the stud 7 or the welding strength can be obtained. The prefabricated torque force detection wrench 6 can preset maximum torque force, namely, the maximum preset torque force can be applied to the stud 7 through the prefabricated torque force detection wrench 6, when the applied torque force reaches the preset maximum torque force, the prefabricated torque force detection wrench 6 can give out a click sound, the fact that the torque force born by the stud 7 reaches the preset maximum value indicates that the welding strength of the stud 7 and the welded piece 8 and the strength of the stud 7 are in accordance with the requirements, and if the click sound is not heard in the detection process, the stud 7 is already yielding, and the fact that the welding strength of the stud 7 and the welded piece 8 or the strength of the stud 7 are not in accordance with the requirements is shown. In this embodiment, the pointer type torque detecting wrench 5 can be used for detecting the ultimate torque strength, and the prefabricated torque detecting wrench 6 can be used for detecting the nondestructive torque strength.
Referring to fig. 4, the control assembly further includes a detection tool attachment 4, the detection wrench can be clamped with the detection tool attachment 4, and the detection tool attachment 4 can be clamped with the outer surface of the detection tool body 1. When the first hole 121 is sleeved with the stud 7, the detection wrench can drive the detection tool main body 1 to break the stud 7 in a vertical plane through the detection tool accessory 4 for detecting bending moment force intensity of the stud 7, or can drive the detection tool main body 1 to lift the stud 7 in a vertical direction through the detection tool accessory 4 for detecting tensile force intensity of the stud 7, and can be directly fixedly connected with the detection tool accessory 4 through a tension meter to detect tensile force intensity of the stud 7.
Specifically, referring to fig. 1,2, 9 and 10, two parallel positioning surfaces 131 are disposed on the outer sidewall of the detection tool body 1, the two positioning surfaces 131 are recessed toward the inside of the detection tool body 1, and stop steps 132 are formed at two ends of the positioning surfaces 131 along the axis of the detection tool body 1, in this embodiment, the two positioning surfaces 131 are disposed on the body 13 and parallel to a set of opposite surfaces in the hexagonal prism structure of the body 13. The detecting tool includes a first connecting portion 41 and a second connecting portion 42 parallel to each other, the first connecting portion 41 is clamped between two stop steps 132 at both ends of one of the positioning surfaces 131, and the second connecting portion 42 is clamped between two stop steps 132 at both ends of the other positioning surface 131. When the inspection tool attachment 4 and the two positioning surfaces 131 are mated, the engagement of the inspection tool attachment 4 and the inspection tool body 1 can be achieved. The detection tool accessory 4 is U-shaped, it still includes the third connecting portion of connecting first connecting portion 41 and second connecting portion 42, be provided with fourth hole 431 and third screw hole 432 on the third connecting portion, the extending direction of fourth hole 431 is parallel to the extending direction of first connecting portion 41 and second connecting portion 42, third screw hole 432 and fourth hole 431 intercommunication and mutually perpendicular, the drive square head of detection spanner one end can peg graft in fourth hole 431, when drive square head peg graft in fourth hole 431, through bolt or screw spiro union in third screw hole 432 and support in a surface of drive square head, can realize detection spanner and detection tool accessory 4's fixed, can prevent effectively that the detection spanner from detecting tool accessory 4 relatively rotates.
Preferably, the second connecting portion 42 is provided with a fourth threaded hole 421, and when the detection tool accessory 4 is connected to the outer surface of the detection tool main body 1, the detection tool accessory 4 and the detection tool main body 1 can be fastened by being screwed to the fourth threaded hole 421 by a bolt or a screw and abutted against the outer surface of the detection tool main body 1.
Referring to fig. 9 and 10, when the moment force intensity is detected, when the detecting wrench is a pointer type torque detecting wrench 5, the stud 7 is broken in a vertical plane by the pointer type torque detecting wrench 5, and when the stud 7 is broken, a sliding wire or a welding spot falls off, the torque value is read from the readable pointer scale 51, so as to obtain the limit moment force value which can be borne by the stud 7 or the welding intensity. When the detection wrench is a prefabricated torque detection wrench 6, the maximum bending moment force is preset, namely, the maximum preset bending moment force can be applied to the screw 7 through the prefabricated torque detection wrench 6, when the applied bending moment force reaches the preset maximum bending moment force, the prefabricated torque detection wrench 6 can generate a click sound, the fact that the bending moment force born by the stud 7 reaches the preset maximum value is indicated, the fact that the welding strength of the stud 7 and the welded piece 8 and the strength of the stud 7 meet the requirements is indicated, if the click sound is not heard in the detection process, the fact that the stud 7 is bent is indicated, and the fact that the welding strength of the stud 7 and the welded piece 8 or the strength of the stud 7 does not meet the requirements is indicated. In this embodiment, the ultimate bending moment force intensity can be detected by the pointer type torque detecting wrench 5, and the nondestructive bending moment force intensity can be detected by the prefabricated torque detecting wrench 6.
It should be noted that, in the present embodiment, the finger-type torque detecting wrench 5 or the prefabricated torque detecting wrench 6 are both of the prior art, and the detailed structure thereof is not described herein.
In summary, the detection tool body 1 in the present embodiment can implement multiple types of detection on the stud by matching with the control assembly, and specifically includes the following steps:
When the first hole 121 of the detection tool body 1 is sleeved with the bolt 7, if the first end 11 of the detection tool body 1 is in threaded connection with the extension rod 2, the strength of the welding destructive bending moment force of the stud 7 can be detected; if the two positioning surfaces 131 of the detection tool main body 1 are clamped with the first connecting part 41 and the second connecting part 42 of the detection tool attachment 4, and the detection tool attachment 4 is clamped with the pointer torque force detection wrench 5, the ultimate bending moment force value detection can be performed on the stud 7 itself or the welding strength of the stud 7 and the workpiece 8 to be welded; if the positioning surface 131 of the detection tool main body 1 is engaged with the first connecting portion 41 and the second connecting portion 42 of the detection tool attachment 4, and if the detection tool attachment 4 is engaged with the prefabricated torque detection wrench 6, the strength of the welding strength between the stud 7 itself or between the stud 7 and the workpiece 8 to be welded can be detected by the nondestructive bending moment force.
When the first threaded hole 111 of the detection tool main body 1 is in threaded connection with the stud 7, the stud 7 can be lifted in the vertical direction for detecting the tensile strength of the stud 7; if the main body 13 of the detection tool main body 1 is sleeved with the hexagonal socket 3, and the hexagonal socket 3 is clamped with the pointer torque force detection wrench 5, the limit torque force value can be detected on the stud 7 or the welding strength of the stud 7 and the workpiece 8 to be welded; if the main body 13 of the detection tool main body 1 is in socket connection with the hexagonal socket 3, and the hexagonal socket 3 is in socket connection with the finger-operated torque detection wrench 6, the non-destructive and damage-free torque strength detection can be performed on the stud 7 itself or on the welding strength between the stud 7 and the workpiece 8 to be welded.
Example two
The present embodiment provides a tool for detecting stud welding strength, which has the same structure as the tool for detecting stud welding strength of the above example except for the tool body 1.
In consideration of the actual use, the corresponding detection needs may be single, for example, only the bending moment force intensity detection needs to be performed on the stud 7, or only the torsion force intensity detection needs to be performed on the stud 7, so that the structure of the detection tool main body 1 may be simplified according to the actual use needs, so that the detection tool main body 1 only retains a part of the structure of the detection tool main body 1 in the first embodiment.
Specifically, as shown in fig. 11, fig. 11 provides a first simplified structure of the inspection tool body 1, and compared with the inspection tool body 1 in the first embodiment, the outer surface of the main body portion 13 of the inspection tool body 1 in the present embodiment is a cylindrical surface instead of a hexagonal prismatic surface, and other structures remain the same. So that the detection tool main body 1 can be matched with the extension bar 2 to detect the welding destructive bending moment force intensity of the stud 7; the device can also be matched with the detection tool accessory 4 and the pointer type torque force detection spanner 5 to detect the ultimate bending moment force value of the stud 7 or the welding strength of the stud 7 and the workpiece 8 to be welded; the non-destructive bending moment force intensity detection can be carried out on the stud 7 or the welding intensity of the stud 7 and the welded workpiece 8 by being matched with the detection tool accessory 4 and the prefabricated torque force detection spanner 6. Preferably, the inspection tool body 1 is particularly suitable for inspecting M4 or M6 type studs 7.
As shown in fig. 12, fig. 12 provides a second simplified structure of the inspection tool main body 1, and compared with the inspection tool main body 1 in the first embodiment, in this embodiment, a part of the outer surface of the main body portion 13 of the inspection tool main body 1 is a cylindrical surface, another part is a hexagonal prismatic surface, and other structures remain the same. Specifically, the hexagonal prism is located between the second end 12 and the stop step 132. The inspection tool main body 1 can achieve the same function as the inspection tool main body 1 of the first embodiment, and since the processing length of the hexagonal prism is shortened, the inspection tool main body 1 is more efficient to manufacture and less costly. Preferably, the inspection tool body 1 is particularly suitable for inspecting M5 type studs 7.
As shown in fig. 12, fig. 13 provides a third simplified structure of the inspection tool main body 1, compared with the inspection tool main body 1 in the first embodiment, the outer surface of the first end 11 of the inspection tool main body 1 is not provided with the external thread 112, and the outer surface of the main body 13 replaces the hexagonal prismatic surface with the cylindrical surface, so that the inspection tool main body 1 can cooperate with the inspection tool accessory 4 and the pointer type torque detection wrench 5 to perform limit moment force value detection on the welding strength of the stud 7 or the stud 7 and the welded workpiece 8; the non-destructive bending moment force intensity detection can be carried out on the stud 7 itself or the welding intensity of the stud 7 and the welded workpiece 8 by being matched with the detection tool accessory 4 and the prefabricated torque force detection spanner 6. Preferably, the inspection tool body 1 is particularly suitable for inspecting M8 type studs 7.
Note that the above is only a preferred embodiment of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (10)
1. A tool for detecting stud weld strength, comprising:
The detection tool comprises a detection tool body (1) and a detection tool body, wherein the detection tool body comprises a first end (11) and a second end (12) which are arranged along the axial direction of the detection tool body, the first end (11) is provided with a first threaded hole (111), and the detection tool body (1) can be in threaded connection with a stud (7) through the first threaded hole (111); the second end (12) is provided with a cylindrical first hole (121), and the detection tool main body (1) can be sleeved with the stud (7) through the first hole (121);
The control assembly can be connected with the detection tool main body (1), when the first threaded hole (111) is in threaded connection with the stud (7), the control assembly can be screwed in a horizontal plane through the detection tool main body (1) to the stud (7) for detecting the torsion strength of the stud (7), or the control assembly can be pulled up through the detection tool main body (1) to the stud (7) along the vertical direction for detecting the tension strength of the stud (7), and when the first hole (121) is sleeved with the stud (7), the control assembly can be pulled up through the detection tool main body (1) to the stud (7) in the vertical plane for detecting the bending moment force strength of the stud (7).
2. The stud welding strength detection tool according to claim 1, wherein the control assembly comprises an extension bar (2), one end of the extension bar (2) is provided with a second threaded hole, the outer surface of the first end (11) is provided with external threads (112), and the second threaded hole is in threaded fit with the external threads (112);
When the first hole (121) is sleeved with the stud (7), the extension rod (2) is in threaded connection with the first end (11) and can drive the detection tool main body (1) to break the stud (7) in a vertical plane through the extension rod (2) for detecting destructive bending moment force intensity of stud welding.
3. The stud welding strength detection tool according to claim 2, wherein the outer surface of the second end (12) is a tapered surface (122), and the tapered diameter of the tapered surface (122) gradually increases in a direction from the second end (12) to the first end (11).
4. A stud welding strength detection tool according to claim 3, wherein the taper of the taper surface (122) is 60 °.
5. The stud welding strength detection tool according to claim 1, wherein the detection tool main body (1) further comprises a main body portion (13), the main body portion (13) is in a hexagonal prism shape, the first end (11) and the second end (12) are respectively arranged at two axial ends of the main body portion (13), the control assembly further comprises a detection wrench and a hexagonal sleeve (3), a second hole (31) with a hexagonal cross section is arranged at one end of the hexagonal sleeve (3), a third hole (32) with a square cross section is arranged at the other end of the hexagonal sleeve, the hexagonal sleeve (3) can be sleeved on the outer surface of the main body portion (13) through the second hole (31) and can be clamped with the main body portion (13), a driving square head is arranged at one end of the detection wrench, the driving square head can be inserted into the third hole (32) and clamped with the hexagonal sleeve (3), and the extension direction of the detection wrench is perpendicular to the axis of the hexagonal sleeve (3);
when the first threaded hole (111) is in threaded connection with the stud (7), the hexagonal sleeve (3) is sleeved on the main body portion (13) and the detection wrench is in clamping connection with the hexagonal sleeve (3), the detection wrench can drive the detection tool main body (1) to screw the stud (7) in a horizontal plane through the hexagonal sleeve (3) for torsion strength detection.
6. The stud welding strength detection tool according to claim 1, wherein the handling assembly further comprises a detection tool attachment (4), a detection wrench is capable of being snapped with the detection tool attachment (4), and the detection tool attachment (4) is capable of being snapped with an outer surface of the detection tool body (1);
When the first hole (121) is sleeved with the stud (7), the detection wrench can drive the detection tool main body (1) to break the stud (7) along a vertical plane through the detection tool accessory (4) for detecting bending moment force intensity; or the detection wrench drives the detection tool main body (1) to lift the stud (7) along the vertical direction through the detection tool accessory (4) for detecting the tensile strength.
7. The stud welding strength detection tool according to claim 6, wherein two mutually parallel positioning surfaces (131) are provided on an outer side wall of the detection tool main body (1), both of the positioning surfaces (131) are recessed toward an inside of the detection tool main body (1), and stopper steps (132) are formed at both ends of the positioning surfaces (131) along an axis of the detection tool main body (1);
The detection tool accessory (4) comprises a first connecting part (41) and a second connecting part (42) which are parallel to each other, wherein the first connecting part (41) can be clamped between two stop steps (132) at two ends of one positioning surface (131), and the second connecting part (42) can be clamped between two stop steps (132) at two ends of the other positioning surface (131).
8. The stud welding strength detection tool according to claim 7, wherein the detection tool accessory (4) is U-shaped, and further comprises a third connecting portion connecting the first connecting portion (41) and the second connecting portion (42), a fourth hole (431) and a third threaded hole (432) are formed in the third connecting portion, the third threaded hole (432) is communicated with the fourth hole (431), a driving square head at one end of the detection wrench can be inserted into the fourth hole (431), and when the driving square head is inserted into the fourth hole (431), the driving square head is screwed into the third threaded hole (432) through a bolt or a screw and abuts against the driving square head.
9. The stud welding strength detection tool according to claim 8, wherein a fourth threaded hole (421) is formed in the second connecting portion (42), and when the detection tool accessory (4) is clamped with the detection tool main body (1) through the first connecting portion (41) and the second connecting portion (42), the detection tool accessory is screwed with the fourth threaded hole (421) through a bolt or a screw and abuts against the outer surface of the detection tool main body (1).
10. The stud welding strength detection tool according to any one of claims 5-9, wherein the detection wrench is a pointer type torque detection wrench (5) or a prefabricated torque detection wrench (6), a readable pointer scale (51) is arranged on the pointer type torque detection wrench (5), and the prefabricated torque detection wrench (6) can preset maximum torque or bending moment force.
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| CN201910062608.XA CN109556972B (en) | 2019-01-23 | 2019-01-23 | Stud welding strength's detection instrument |
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| CN201910062608.XA CN109556972B (en) | 2019-01-23 | 2019-01-23 | Stud welding strength's detection instrument |
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| CN114199695A (en) * | 2020-08-31 | 2022-03-18 | 山东华光光电子股份有限公司 | Device and method for testing welding strength of semiconductor laser tube cap |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209606246U (en) * | 2019-01-23 | 2019-11-08 | 上海悦仕焊接技术有限公司 | A kind of detection instrument of stud welding intensity |
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| JPH0560670A (en) * | 1991-02-28 | 1993-03-12 | Yoshikawa Kaiji Kogyo Kk | Strength judgement of stud welding and device thereof |
| CN102323151B (en) * | 2011-08-15 | 2013-03-06 | 力帆实业(集团)股份有限公司 | Tooling for detecting welding strength of stud welding |
| CN204666436U (en) * | 2015-06-15 | 2015-09-23 | 陕西重型汽车有限公司 | A kind of stud welding handle intensity detection tool |
| CN108469327B (en) * | 2018-03-14 | 2021-02-09 | 河海大学常州校区 | Torque testing device for stud welding joint |
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| CN209606246U (en) * | 2019-01-23 | 2019-11-08 | 上海悦仕焊接技术有限公司 | A kind of detection instrument of stud welding intensity |
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