CN219715039U - Supporting device of steel bar T-shaped welded joint tensile test fixture - Google Patents
Supporting device of steel bar T-shaped welded joint tensile test fixture Download PDFInfo
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- CN219715039U CN219715039U CN202320951486.1U CN202320951486U CN219715039U CN 219715039 U CN219715039 U CN 219715039U CN 202320951486 U CN202320951486 U CN 202320951486U CN 219715039 U CN219715039 U CN 219715039U
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- Prior art keywords
- hanging
- tensile test
- hanging part
- steel bar
- shaped
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- 238000009864 tensile test Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 16
- 239000010959 steel Substances 0.000 title claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 18
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a supporting device of a tensile test fixture for a steel bar T-shaped welding joint, which belongs to a supporting device for tensile test of a steel bar welding piece, and comprises a hanging part and a clamping part, wherein the hanging part is of a cuboid structure, the upper end of the hanging part is rotationally connected with the clamping part, a placing cavity is formed in the central part of the hanging part, a penetrating hole penetrating through a bottom surface supporting plate of the hanging part is formed in the bottom of the placing cavity, and the front end of the penetrating hole is communicated with the front side surface of the hanging part; the clamping part is cylindrical, and the upper end ring is peripherally and symmetrically provided with hanging lugs. The device has the advantages of light weight, increased load, portability, durability and convenient installation; the hanging lugs solve the phenomenon of clamping slippage, ensure the accuracy of measured data, enhance the reliability of use and avoid the abrasion of the clamp and the clamping part; the device is easy to install, and only needs to rotate 90 degrees after lifting, so that the lugs are supported at the upper end of the clamp, and the inconvenience of finding a support is avoided; the design of the chamfer of the upper edge of the penetrating hole enables the welding piece to be directly hung and stretched, no backing plate is needed, and the test process is simple, efficient and easy to operate.
Description
Technical Field
The utility model belongs to a matching device for a tensile test of a steel bar welding piece, and particularly relates to a matching device for a clamp for a tensile test of a steel bar T-shaped welding joint.
Background
In the tensile test of the T-shaped welding piece, one end of the welding end face cannot be directly clamped on a clamp of a tensile test machine, so that a matching device is needed to solve the problem, and meanwhile, the T-shaped welding piece is matched with round backing plates of different specifications to be used together. However, the existing matching device has some problems: firstly, in order to bear corresponding load, a thick backboard is arranged at the back of the device and is fastened by screws, the weight of the matched device is very large, and the matched device is very heavy and difficult to install when in use; secondly, for the cylindrical rod clamped on the matched device, as the cylindrical rod is smooth, in the using process, the clamping is difficult to achieve hundred percent clamping by the clamp, the slipping phenomenon is often caused, the abrasion is serious after a long time, the measured curve forms waves when the clamp slips, the accuracy of measured data is affected, and meanwhile, the clamp die is damaged under the interaction force; thirdly, when a tensile test is carried out each time, a round backing plate is sleeved at the bottom of the T-shaped welding joint, and the operation is very complicated.
Disclosure of Invention
The utility model provides a clamp matching device for a tensile test of a steel bar T-shaped welding joint, which aims to solve the defects in the prior art.
The utility model relates to a supporting device of a tensile test clamp for a steel bar T-shaped welded joint, which comprises a hanging part and a clamping part, wherein the hanging part is of a cuboid structure, the central position of the upper end of the hanging part is rotationally connected with the clamping part, a placing cavity is formed in the central position of the hanging part and communicated with the front side surface of the hanging part, a penetrating hole penetrating through a bottom surface supporting plate of the hanging part is formed in the bottom of the placing cavity, and the front end of the penetrating hole is communicated with the front side surface of the hanging part; the clamping part is cylindrical, and the upper end ring of the clamping part is peripherally and symmetrically provided with hanging lugs.
As a further improvement of the utility model, the penetrating holes are U-shaped transverse holes, the open ends of the U-shaped transverse holes are arranged on the front side, the U-shaped bottom ends are arranged on the rear side, and the opening width a of the U-shaped transverse holes is smaller than the width b of the placing cavity.
As a further improvement of the utility model, the hanging lugs are made of steel bars with the diameter of 7-10 mm, and are arc-shaped and have the arc length of 23-30 mm.
As a further improvement of the present utility model, the upper edge circumference of the penetrating hole is a chamfer structure.
As a further improvement of the utility model, the thickness of the bottom surface supporting plate is 35-50 mm.
The clamp matching device for the tensile test of the steel bar T-shaped welded joint has reasonable structural design, light weight, increased bearable load, portability, durability and convenient installation; the design of the hanging lugs solves the problem of clamping slippage, so that a wave curve does not appear in a measurement result, the accuracy of measurement data is ensured, the use reliability is enhanced, and the abrasion of the clamp and the clamping part is avoided; the device is easy to install, and the ear is supported at the upper end of the clamp only by rotating 90 degrees after lifting, so that the inconvenience of finding a support is avoided; the design of the chamfer of the upper edge of the penetrating hole enables the welding piece to be directly hung and stretched, no backing plate is needed, and the test process is simple, efficient and easy to operate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the hanger of the present utility model;
FIG. 3 is a schematic view of the usage status structure of the present utility model.
Description of the embodiments
The utility model relates to a reinforcing steel bar T-shaped welding joint tensile test fixture matching device which is matched with a test fixture and comprises a hanging part 1 and a clamping part 2, wherein the hanging part 1 is of a cuboid structure, the central position of the upper end of the hanging part is rotationally connected with the clamping part 2, a placing cavity 3 is formed in the central position of the hanging part 1, the placing cavity 3 is communicated with the front side surface of the hanging part 1, a penetrating hole 5 penetrating through a bottom surface supporting plate 4 of the hanging part 1 is formed in the bottom of the placing cavity 3, the penetrating hole 5 is a U-shaped transverse hole, the opening end of the U-shaped transverse hole is arranged on the front side, the U-shaped bottom end is arranged on the rear side, and the opening width a of the U-shaped transverse hole is smaller than the width b of the placing cavity 3.
The opening of the penetrating hole 5 is communicated with the front side surface of the pendant part 1, so that the detecting piece can place the T-shaped head into the placing cavity through the hole, meanwhile, the periphery of the upper edge of the penetrating hole 5 is designed into a chamfering structure, the chamfering structure is designed because welding melts are accumulated at the T-shaped welded junction of the detecting piece, and the chamfering is used for enabling the welded junction to fall down, and the welding plate can contact the U-shaped base, so that the placing is more stable.
The clamping part 2 is cylindrical, the circumference of the upper end ring of the clamping part is symmetrically provided with hanging lugs 6, the hanging lugs 6 are made of reinforcing steel bars with the diameter of 7-10 mm, and the hanging lugs are arc-shaped and have the arc length of 23-30 mm.
Meanwhile, the device removes the original backboard, thickens the U-shaped bottom board, and increases the thickness of the bottom surface supporting board 4 to 35-50 mm.
When the device is used, as shown in fig. 3, the clamping part 2 is firstly placed in a gap of a clamp above the test device, the clamping part 2 is rotated, the hangers 6 on two sides of the upper end of the clamping part 2 are respectively lapped on the upper end faces of the clamps on two sides, then the clamping buttons of the upper clamp are operated to clamp the clamping part 2, the bottom of the upper end of the T-shaped welding joint which needs to be subjected to tensile test is lapped on the upper end face of the penetrating hole 5, the lower end of the T-shaped welding joint is placed outside the penetrating hole 5 and vertically downwards and is placed in the lower clamp, then the clamping buttons of the lower clamp are operated to clamp the lower clamp, and then the lower end of the T-shaped welding joint is clamped by the lower clamp to start the tensile test.
Claims (5)
1. The supporting device of the steel bar T-shaped welding joint tensile test clamp comprises a hanging part (1) and a clamping part (2), wherein the hanging part (1) is of a cuboid structure, the clamping part (2) is rotationally connected to the central position of the upper end of the hanging part (1), and the supporting device is characterized in that a placing cavity (3) is formed in the central position of the hanging part (1), the placing cavity (3) is communicated with the front side surface of the hanging part (1), a penetrating hole (5) penetrating through a bottom surface supporting plate (4) of the hanging part (1) is formed in the bottom of the placing cavity (3), and the front end of the penetrating hole (5) is communicated with the front side surface of the hanging part (1); the clamping part (2) is cylindrical, and the upper end ring of the clamping part is peripherally and symmetrically provided with hanging lugs (6).
2. The fixture matching device for the tensile test of the steel bar T-shaped welded joint according to claim 1, wherein the penetrating hole (5) is a U-shaped transverse hole, the open end of the U-shaped transverse hole is arranged on the front side, the bottom end of the U-shaped transverse hole is arranged on the rear side, and the opening width a of the U-shaped transverse hole is smaller than the width b of the placing cavity (3).
3. The fixture kit for tensile test of steel bar T-shaped welded joint according to claim 1, wherein the upper edge circumference of the penetrating hole (5) is a chamfer structure.
4. The fixture matching device for the tensile test of the steel bar T-shaped welded joint according to claim 1, which is characterized in that the hanging lugs (6) are made of steel bars with the diameters of 7-10 mm, and are arc-shaped and have the arc length of 23-30 mm.
5. The fixture matching device for the tensile test of the steel bar T-shaped welded joint is characterized in that the thickness of the bottom surface supporting plate (4) is 35-50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320951486.1U CN219715039U (en) | 2023-04-25 | 2023-04-25 | Supporting device of steel bar T-shaped welded joint tensile test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320951486.1U CN219715039U (en) | 2023-04-25 | 2023-04-25 | Supporting device of steel bar T-shaped welded joint tensile test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219715039U true CN219715039U (en) | 2023-09-19 |
Family
ID=87981357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320951486.1U Active CN219715039U (en) | 2023-04-25 | 2023-04-25 | Supporting device of steel bar T-shaped welded joint tensile test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219715039U (en) |
-
2023
- 2023-04-25 CN CN202320951486.1U patent/CN219715039U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240516 Address after: 244000 Donglong Road, Yi'an Economic Development Zone, Yi'an District, Tongling City, Anhui Province Patentee after: Anhui Zhejian Greentown Technology Co.,Ltd. Country or region after: China Address before: 264000 Huacai Inspection, County Road 044, Guanzhen Town, Mount Huangshan, Longkou, Yantai, Shandong Patentee before: Guo Shiqiang Country or region before: China |
|
| TR01 | Transfer of patent right |