CN219511944U - Mechanical tensile strength detection device - Google Patents
Mechanical tensile strength detection device Download PDFInfo
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- CN219511944U CN219511944U CN202222950507.6U CN202222950507U CN219511944U CN 219511944 U CN219511944 U CN 219511944U CN 202222950507 U CN202222950507 U CN 202222950507U CN 219511944 U CN219511944 U CN 219511944U
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- tensile strength
- clamping jaw
- mechanical tensile
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Abstract
A mechanical tensile strength testing device includes a base, and a stretching unit. The base includes a base body, and a foot. The stretching unit comprises a supporting frame, a sliding rod, a screw rod and a servo motor. The sliding rod and the screw rod are provided with a supporting rod, a first clamping jaw is arranged in the middle of the supporting rod, and a second clamping jaw is arranged on the end face of the base corresponding to the first clamping jaw. The first clamping jaw and the second clamping jaw comprise threaded sleeves, threaded shafts and three-jaw chucks. A tension sensor is arranged between the second clamping jaw and the base. The servo motor drives the supporting rod to move in the direction away from the base. According to the mechanical tensile strength detection device, the first threaded shaft and the second threaded shaft are in threaded connection with the three-jaw chuck, so that when the mechanical tensile strength detection device is used, the three-jaw chucks with different specifications can be replaced according to the specifications of different workpieces, and the practicability of the detection device is improved.
Description
Technical Field
The utility model relates to the technical field of test equipment, in particular to a mechanical tensile strength detection device.
Background
The tensile strength is a critical value of transition of local concentrated plastic deformation of the metal from uniform plastic deformation, and is also the maximum bearing capacity of the metal under static stretching conditions, the tensile strength is the maximum uniform plastic deformation resistance of the characterization material, the deformation of a tensile sample is uniform and consistent before the tensile sample bears the maximum tensile stress, but after the tensile sample exceeds the maximum tensile stress, the metal starts to generate necking phenomenon, namely concentrated deformation, and the fracture resistance of the material is reflected for brittle materials without (or very small) uniform plastic deformation; the mechanical tensile strength detection device is a device for detecting the maximum pull rope strength of a workpiece.
Through retrieving chinese patent, a detection device for detecting tensile strength of a sample is disclosed, and the publication number is CN207036558U, and although this patent can fix the detection sample through a clamping device (clamp), the clamp of this patent is inconvenient to replace, and the clamp cannot be replaced according to different detection samples, so that the practicability is reduced.
Disclosure of Invention
In view of the above, the present utility model provides a mechanical tensile strength detecting device to solve the above technical problems.
A mechanical tensile strength detecting device comprises a base and a stretching unit arranged on the base; the base comprises a base main body and four supporting legs arranged on the end face of the base main body, which is opposite to the end face of the stretching unit, the stretching unit comprises a supporting frame arranged on the end face of the base, which is opposite to the end face of the supporting legs, a sliding rod fixedly arranged on one side of the supporting frame, a screw rod rotatably arranged on the other side of the supporting frame, a servo motor arranged on the outer surface of the supporting frame and connected with one end of the screw rod, a supporting rod is arranged on the sliding rod and the screw rod, a first clamping jaw is arranged in the middle of the supporting rod, a second clamping jaw is arranged on the end face of the base, which corresponds to the first clamping jaw, the first clamping jaw and the second clamping jaw both comprise a threaded sleeve, a threaded shaft inserted into the threaded sleeve, a three-jaw chuck connected with one end of the threaded shaft, and a tension sensor is arranged between the second clamping jaw and the base; the screw shaft is convenient for change the three-jaw chuck of equidimension, first clamping jaw and second clamping jaw centre gripping work piece, servo motor drives the bracing piece is to keeping away from the direction of base removes.
Further, a switch panel is provided on one side end surface of the base body.
Further, the bottom of each supporting leg is provided with a non-slip pad.
Further, the support frame includes two long sides connected with the base main body, and a cross bar connecting the two long sides.
Further, two long side edges are provided with a vertical groove, and the two vertical grooves are respectively provided with the sliding rod and the screw rod.
Further, one end of the screw rod, which faces the servo motor, penetrates through the end face of the supporting frame and is fixedly connected with the output end of the servo motor, and the other end of the screw rod is rotationally fixed on the end face of the vertical groove.
Further, a mounting hole is formed in the middle area of the supporting rod.
Compared with the prior art, the mechanical tensile strength detection device provided by the utility model has the advantages that the three-jaw chucks are arranged on the first threaded shaft and the second threaded shaft in a threaded manner, so that when the three-jaw chucks are used, the three-jaw chucks with different specifications can be replaced according to the specifications of different workpieces, and the practicability of the detection device is improved.
Drawings
Fig. 1 is a schematic structural diagram of a mechanical tensile strength detecting device provided by the utility model.
Fig. 2 is a cross-sectional view of a front view of the mechanical tensile strength testing apparatus of fig. 1.
Fig. 3 is a partially enlarged view of a portion a of the mechanical tensile strength testing apparatus of fig. 2.
Fig. 4 is a partially enlarged view of a portion B of the mechanical tensile strength testing apparatus of fig. 2.
Detailed Description
Specific embodiments of the present utility model are described in further detail below. It should be understood that the description herein of the embodiments of the utility model is not intended to limit the scope of the utility model.
Fig. 1 to 4 are schematic structural diagrams of a mechanical tensile strength detecting device according to the present utility model. The mechanical tensile strength detecting device includes a base 10, and a stretching unit 20 provided on the base 10. It is conceivable that the mechanical tensile strength detecting means further includes other functional structures such as fastening screws, lubricants, etc., which are known to those skilled in the art and will not be described herein.
The base 10 comprises a base body 11 and four feet 12 arranged on the end of the base body 11 facing away from the tension unit 20.
A switch panel 13 is provided on one side end surface of the base body 11, and the entire apparatus is controlled by the switch panel 13.
The bottom of each of the legs 12 is provided with a non-slip pad 14 to prevent the device from slipping.
The stretching unit 20 comprises a supporting frame 21 arranged on the end face of the base 10, which is opposite to the supporting leg 12, a sliding rod 22 arranged on one side of the supporting frame 21, a screw rod 23 rotatably arranged on the other side of the supporting frame 21, and a servo motor 24 connected with one end of the screw rod 23, wherein a supporting rod 25 is arranged on the sliding rod 22 and the screw rod 23, a first clamping jaw 26 is arranged in the middle area of the supporting rod 25, and a second clamping jaw 27 is arranged on the end face of the base 10, which corresponds to the first clamping jaw 26.
Referring to fig. 1, the supporting frame 21 includes two long sides 211 connected to the base body 11, and a cross bar 212 connecting the two long sides 211.
A vertical slot 213 is formed on both long sides 211. The two vertical grooves 213 are respectively provided with the slide bar 22 and the screw rod 23. One end of the screw rod 23, which faces the servo motor 24, penetrates through the end face of the support frame 21 and is fixedly connected with the output end of the servo motor 24. And the other end of the screw rod 23 is rotatably fixed to the end surface of the vertical groove 213.
The supporting rod 25 is a strip-shaped metal plate, and two ends of the supporting rod are respectively sleeved on the sliding rod 22 and the screw rod 23. And the supporting rod 25 is connected with the screw rod 23 through threads.
The servo motor 24 rotates to drive the screw rod 23 to rotate, so that the support rod 25 connected with the screw rod 23 and the slide rod 22 moves axially along the slide rod 22.
A mounting hole 251 is formed in the middle region of the support rod 25, and is used for mounting the first clamping jaw 26. The second clamping jaw 27 is arranged on the end face of the base body 11 facing the stretching unit 20 in a threaded connection.
The first clamping jaw 26 and the second clamping jaw 27 each comprise a first threaded sleeve 261 and a second threaded sleeve 271 respectively arranged in the support bar 25 and the base body 11. A first threaded shaft 262 is screwed into the first threaded sleeve 261. A second threaded shaft 272 is screwed into the second threaded sleeve 271. The first screw shaft 262 and the second screw shaft 272 are screw-coupled to each other at their facing ends with a three-jaw chuck 28. And an adjusting hole is formed on the side end surface of the three-jaw chuck 28, which is used for adjusting the opening and closing size of the three-jaw chuck 28, so that the fixing of the workpiece is completed rapidly. It is contemplated that the three-jaw chuck 28 may be disassembled according to the needs of the tester to replace the three-jaw chuck 28 with a different size to facilitate the replacement of different sized clamps.
The connection between the second clamping jaw 27 and the base body 11 is also provided with a tension sensor 29 for acquiring a tension value.
When in use, a tester clamps the two ends of the workpiece to be tested by the first clamping jaw 26 and the second clamping jaw 27 respectively, so as to fix the workpiece. And then, the servo motor 24 is controlled to be started through the switch panel 13 to drive the screw rod 23 to rotate, so that the supporting rod 25 moves in a direction away from the base main body 11, and the maximum tensile strength of the workpiece is detected. The tension sensor 29 provided on the second jaw 27 may transmit the resulting tension value to an external computer for recording by a tester.
Compared with the prior art, the mechanical tensile strength detection device provided by the utility model has the advantages that the three-jaw chuck 28 is arranged on the first threaded shaft 262 and the second threaded shaft 272 in a threaded manner, so that when the device is used, the three-jaw chucks 28 with different specifications can be replaced according to the specifications of different workpieces, and the practicability of the detection device is improved.
The above is only a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model, and any modifications, equivalent substitutions or improvements within the spirit of the present utility model are intended to be covered by the claims of the present utility model.
Claims (7)
1. A mechanical tensile strength detection device, characterized in that: the mechanical tensile strength detection device comprises a base and a stretching unit arranged on the base; the base comprises a base main body and four supporting legs arranged on the end face of the base main body, which is opposite to the end face of the stretching unit, the stretching unit comprises a supporting frame arranged on the end face of the base, which is opposite to the end face of the supporting legs, a sliding rod fixedly arranged on one side of the supporting frame, a screw rod rotatably arranged on the other side of the supporting frame, a servo motor arranged on the outer surface of the supporting frame and connected with one end of the screw rod, a supporting rod is arranged on the sliding rod and the screw rod, a first clamping jaw is arranged in the middle of the supporting rod, a second clamping jaw is arranged on the end face of the base, which corresponds to the first clamping jaw, the first clamping jaw and the second clamping jaw both comprise a threaded sleeve, a threaded shaft inserted into the threaded sleeve, a three-jaw chuck connected with one end of the threaded shaft, and a tension sensor is arranged between the second clamping jaw and the base; the screw shaft is convenient for change the three-jaw chuck of equidimension, first clamping jaw and second clamping jaw centre gripping work piece, servo motor drives the bracing piece is to keeping away from the direction of base removes.
2. The mechanical tensile strength testing device of claim 1, wherein: a switch panel is arranged on one side end face of the base body.
3. The mechanical tensile strength testing device of claim 1, wherein: the bottom of each supporting leg is provided with an anti-slip pad.
4. The mechanical tensile strength testing device of claim 1, wherein: the support frame includes two long sides that are connected with the base main part and a connection two the horizontal pole of long side.
5. The mechanical tensile strength testing device according to claim 4, wherein: two long side edges are provided with a vertical groove, and the two vertical grooves are respectively provided with the sliding rod and the screw rod.
6. The mechanical tensile strength testing device according to claim 5, wherein: one end of the screw rod, which faces the servo motor, penetrates through the end face of the supporting frame and is fixedly connected with the output end of the servo motor, and the other end of the screw rod is rotationally fixed on the end face of the vertical groove.
7. The mechanical tensile strength testing device of claim 1, wherein: and a mounting hole is formed in the middle area of the supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222950507.6U CN219511944U (en) | 2022-11-02 | 2022-11-02 | Mechanical tensile strength detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222950507.6U CN219511944U (en) | 2022-11-02 | 2022-11-02 | Mechanical tensile strength detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219511944U true CN219511944U (en) | 2023-08-11 |
Family
ID=87524182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222950507.6U Active CN219511944U (en) | 2022-11-02 | 2022-11-02 | Mechanical tensile strength detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219511944U (en) |
-
2022
- 2022-11-02 CN CN202222950507.6U patent/CN219511944U/en active Active
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