CN215525310U - U-shaped steel nail welding mouth peels off and detects and uses anchor clamps - Google Patents
U-shaped steel nail welding mouth peels off and detects and uses anchor clamps Download PDFInfo
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- CN215525310U CN215525310U CN202121439957.8U CN202121439957U CN215525310U CN 215525310 U CN215525310 U CN 215525310U CN 202121439957 U CN202121439957 U CN 202121439957U CN 215525310 U CN215525310 U CN 215525310U
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- shaped steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 24
- 239000010959 steel Substances 0.000 title claims abstract description 24
- 238000003466 welding Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000000926 separation method Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The utility model discloses a clamp for U-shaped steel nail welding port peeling detection, which comprises an upper clamp and a lower clamp, wherein the upper clamp and the lower clamp are identical in structure and are oppositely arranged; the upper clamp comprises a long clamp arm, a short clamp arm, a spring, a screw and a nut, a step-shaped opening is formed in the front end of the long clamp arm, the short clamp arm is connected to the step-shaped opening, the screw is connected between the long clamp arm and the short clamp arm, the spring is arranged at a position, located between the long clamp arm and the short clamp arm, in a penetrating mode, and two ends of the spring respectively abut against the long clamp arm and the short clamp arm; the front ends of the long clamping arm and the short clamping arm are respectively provided with an arc-shaped notch, the two notches are opposite, and the notch between the long clamping arm and the short clamping arm forms a jaw. The upper clamp and the lower clamp are symmetrically arranged, and the front end of the clamp is provided with the jaw for clamping and fixing the U-shaped steel nail, so that the U-shaped steel nail is convenient to mount and dismount, easy to use and convenient to detect.
Description
Technical Field
The utility model belongs to the technical field of stretching clamps, and particularly relates to a clamp for U-shaped steel nail welding port peeling detection.
Background
The geocell is a three-dimensional reticular cell structure formed by welding, riveting, splicing, plug welding, injection molding and other processes at joints of high polymer materials such as HDPE, PP, PET and the like, and has the characteristics of free expansion and contraction and capability of being folded during transportation. During construction, the material is stretched into a net shape, and loose materials such as soil, broken stone, concrete and the like are filled into the grid chambers to form a structural body with strong lateral limitation and high rigidity, so that the structural body has high lateral limitation and anti-skid capacity, and can effectively enhance the bearing capacity of the roadbed and disperse load.
As is known, the weak point of the geocell is at the joint, in recent years, geocell manufacturers have variously improved the connection mode of the geocell joint, wherein the connection mode of the geocell joint is one of the connection modes by adopting U-shaped steel nails for insertion welding, and the geocell connected by the mode has the characteristics of high joint strength, high production efficiency, low manufacturing cost and the like. In the connection mode, the welding quality of the U-shaped steel nail welding opening directly influences the connection strength of the joint, therefore, a quantitative index is required to measure the welding quality of the welding opening, and the welding quality can be reflected by adopting the welding opening peeling force detection. However, at present, no suitable detection clamp is available in domestic detection mechanisms for detecting the peeling force of the welding opening, so that the detection result is not ideal, and in order to ensure the accuracy and reliability of the detection result, a detection clamp aiming at the welding mode needs to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a clamp for U-shaped steel nail welding port peeling detection, and aims to solve the technical problem.
Therefore, the utility model adopts the following technical scheme:
the clamp for U-shaped steel nail welding port peeling detection is characterized by comprising an upper clamp and a lower clamp, wherein the upper clamp and the lower clamp are identical in structure and are arranged oppositely; the upper clamp and the lower clamp comprise long clamp arms, short clamp arms, springs, screw rods and nuts, counter bores are formed in the long clamp arms, corresponding through holes are formed in the short clamp arms, the tail ends of the screw rods are fixed in the counter bores of the long clamp arms, the head ends of the screw rods penetrate through the through holes of the short clamp arms, the springs are arranged at positions, located between the long clamp arms and the short clamp arms, of the screw rods in a penetrating mode, and the two ends of each spring are respectively abutted against the long clamp arms and the short clamp arms; the nut is connected to the head end of the screw rod;
the front ends of the long clamping arm and the short clamping arm are provided with arc-shaped notches which are opposite to each other, and the notch between the long clamping arm and the short clamping arm forms a jaw.
Furthermore, the front end of the long clamping arm is provided with a step-shaped opening, and the short clamping arm is connected to the step-shaped opening.
Furthermore, a spring groove is formed in the counter bore of the long clamping arm, a spring groove is also formed in the inner side of the through hole of the short clamping arm, and two ends of the spring are embedded into the two spring grooves respectively.
Furthermore, the long clamping arm is provided with at least two counter bores, and the short clamping arm is provided with a corresponding number of through holes.
Further, the nut is a butterfly nut.
The upper clamp and the lower clamp are symmetrically arranged, and the front end of the clamp is provided with the jaw for clamping and fixing the U-shaped steel nail, so that the U-shaped steel nail is convenient to mount and dismount, easy to use and convenient to detect; the clamp is stable in clamping the U-shaped steel nail, and the accuracy of detection data is improved.
Drawings
FIG. 1 is a schematic view of the construction of an upper clamp of the present invention;
FIG. 2 is a schematic view of the use of the clamp of the present invention;
in the figure: 1-upper clamp, 2-lower clamp, 3-U-shaped steel nail, 11-long clamping arm, 12-short clamping arm, 13-screw, 14-spring, 15-butterfly nut, 16-arc notch and 17-jaw.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which:
as shown in figures 1 and 2, the U-shaped steel nail welding port peeling detection clamp comprises an upper clamp 1 and a lower clamp 2, wherein the upper clamp 1 and the lower clamp 2 are identical in structure and are arranged oppositely. The upper clamp 1 comprises a long clamping arm 11, a short clamping arm 12, a spring 14, a screw 13 and a nut, wherein a step-shaped opening is formed in the front end of the long clamping arm 11, the short clamping arm 12 is connected to the step-shaped opening, two counter bores are formed in the long clamping arm 11, and two corresponding through holes are formed in the short clamping arm 12. The screw 13 is a stud, the tail end of the screw 13 is fixed in a counter bore of the long clamping arm 11 in a threaded manner, and the head end of the screw 13 penetrates out of a through hole of the short clamping arm 12. The nut is connected to the head end of the screw 13 and is a wing nut 15.
The spring 14 is arranged at a position between the long clamping arm 11 and the short clamping arm 12 through the screw 13, and two ends of the spring 14 respectively abut against the long clamping arm 11 and the short clamping arm 12. The counter bore on the long arm 11 is equipped with a spring slot, the inner side of the through hole of the short arm 12 is also equipped with a spring slot, and two ends of the spring 14 are respectively embedded into the two spring slots.
The front ends of the long clamping arm 11 and the short clamping arm 12 are respectively provided with an arc-shaped notch 16, the two notches are opposite, a notch between the long clamping arm 11 and the short clamping arm 12 forms a jaw 17, and the depth of the arc-shaped notch 16 is smaller than the radius of the U-shaped steel nail 3.
The using method of the utility model is as follows:
as shown in fig. 2, first, an upper jig 1 and a lower jig 2 are fixed to upper and lower holding ends of a tensile machine so that horizontal and vertical center lines thereof coincide with each other. Secondly, placing one leg of the U-shaped steel nail to be tested into a jaw 17 of the upper clamp 1, wherein the distance between a welding opening and the closest jaw 17 is 5mm, and screwing a butterfly nut 15 on the upper clamp 1; then, the other leg of the U-shaped steel nail is placed into a jaw 17 of the lower clamp 2, the distance between a welding opening and the closest jaw 17 is 5mm, and a butterfly nut 15 on the lower clamp 2 is screwed down to finish the clamping work of the detection sample. And then, starting a tensile machine to detect the stripping force, loosening the butterfly nut 15 after data detection and acquisition are finished, popping the upper clamping arm under the action of the spring 14, loosening the arc-shaped jaw 17, and taking out the test sample.
It should be noted that the above are only some embodiments of the present invention, and it should be noted that, for those skilled in the art, many modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. The U-shaped steel nail welding port peeling detection clamp is characterized by comprising an upper clamp (1) and a lower clamp (2), wherein the upper clamp (1) and the lower clamp (2) are identical in structure and are arranged oppositely; the upper clamp (1) and the lower clamp (2) comprise a long clamping arm (11), a short clamping arm (12), a spring (14), a screw rod (13) and a nut, a counter bore is formed in the long clamping arm (11), a corresponding through hole is formed in the short clamping arm (12), the tail end of the screw rod (13) is fixed in the counter bore of the long clamping arm (11), the head end of the screw rod (13) penetrates through the through hole of the short clamping arm (12), the spring (14) is arranged at a position, between the long clamping arm (11) and the short clamping arm (12), of the screw rod (13) in a penetrating mode, and two ends of the spring (14) respectively abut against the long clamping arm (11) and the short clamping arm (12); the nut is connected to the head end of the screw (13);
the front ends of the long clamping arm (11) and the short clamping arm (12) are respectively provided with an arc-shaped notch (16), the two notches are opposite, and a notch between the long clamping arm (11) and the short clamping arm (12) forms a jaw (17).
2. The U-shaped steel nail weld joint peeling detection clamp according to claim 1, wherein a step-shaped notch is formed at the front end of the long clamping arm (11), and the short clamping arm (12) is connected to the step-shaped notch.
3. The U-shaped steel nail weld joint peeling detection clamp according to claim 1, wherein a spring slot is arranged at a counter bore on the long clamping arm (11), a spring slot is also arranged at the inner side of the through hole of the short clamping arm (12), and two ends of the spring (14) are respectively embedded into the two spring slots.
4. The U-shaped steel nail weld joint peeling detection clamp according to claim 1, wherein the long clamping arm (11) is provided with at least two counter bores, and the short clamping arm (12) is provided with a corresponding number of through holes.
5. The U-shaped steel nail weld separation detection clamp according to claim 1, wherein the nut is a wing nut (15).
6. The U-shaped steel nail weld joint peeling detection clamp according to claim 1, wherein the screw (13) is a double-headed screw, and the tail end of the screw (13) is in threaded connection with a counter bore on the long clamping arm (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121439957.8U CN215525310U (en) | 2021-06-28 | 2021-06-28 | U-shaped steel nail welding mouth peels off and detects and uses anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121439957.8U CN215525310U (en) | 2021-06-28 | 2021-06-28 | U-shaped steel nail welding mouth peels off and detects and uses anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215525310U true CN215525310U (en) | 2022-01-14 |
Family
ID=79810587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121439957.8U Active CN215525310U (en) | 2021-06-28 | 2021-06-28 | U-shaped steel nail welding mouth peels off and detects and uses anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215525310U (en) |
-
2021
- 2021-06-28 CN CN202121439957.8U patent/CN215525310U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wei Yongkong Inventor before: Wei Yongkong Inventor before: Ding Qizhen |
|
| CB03 | Change of inventor or designer information |