CN209802840U - Universal loading tool for stress corrosion clamp - Google Patents
Universal loading tool for stress corrosion clamp Download PDFInfo
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- CN209802840U CN209802840U CN201920248640.2U CN201920248640U CN209802840U CN 209802840 U CN209802840 U CN 209802840U CN 201920248640 U CN201920248640 U CN 201920248640U CN 209802840 U CN209802840 U CN 209802840U
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Abstract
the utility model belongs to the field of material stress corrosion performance test, in particular to a universal loading tool for a stress corrosion fixture, which is used for measuring the deflection of a sample plate, and comprises a stress loading tool mainboard and a dial indicator, wherein one end of the dial indicator is a thimble, the stress loading tool mainboard is provided with a dial indicator holder for holding and fixing the dial indicator, the stress loading tool mainboard is provided with a positioning slide way arranged along a first direction, the universal loading tool also comprises a stress corrosion fixture for holding the sample plate, two ends of the stress corrosion fixture are respectively provided with a stress corrosion fixture fixing splint along a second direction, the stress corrosion fixture is provided with a stress loading screw rod in a penetrating way, the stress loading screw rod is parallel to the stress loading tool mainboard, the utility model has the advantages of high loading precision, wide application range, low cost and simple operation, and an operator can conveniently and quickly use the universal loading tool in the test, the test efficiency and the test precision are improved.
Description
Technical Field
the utility model belongs to material stress corrosion capability test field relates to the omnipotent type loading instrument of stress corrosion anchor clamps.
Background
The two-stage stress corrosion test is characterized in that the failure behavior of metal and alloy thereof under specific stress and corrosion medium is researched by simulating the corrosion condition of natural atmosphere, the stress corrosion resistance of metal material is evaluated, the stress corrosion test comprises a three-point bending test, a four-point bending test and the like, corresponding clamps are respectively adopted to load the metal material, the loading stress value is calculated by the size (deflection) of the displacement of the center of a sample, the accuracy of the loading deflection directly influences the accuracy of the measurement test result, at present, the deflection loading is mainly carried out on the sample by adopting a vice and a dial gauge frame to fix the stress corrosion clamp and the dial gauge, the test adopts the vice, the dial gauge frame and other tools, the cost of the instrument is higher, in the test process, the thimble of the dial gauge is aligned with the center of the sample by adjusting the dial gauge frame, the operation difficulty is higher, and the, the working efficiency is reduced, and when the three-point bending test is loaded, the sample is easy to rotate and displace, so that the test precision is reduced. Relevant researchers designed the bending sample clamping device, but the bending sample clamping device is only suitable for a fixed-size corrosion clamp and is not strong in universality.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a solve the instrument cost higher, sample skew during three point bending loading, problem that the commonality is not strong provides three point and four point bending suitable for most sizes and shapes, does not rely on high-cost appurtenance such as vice, magnetic force table frame, and the stress corrosion anchor clamps of sample skew problem when can avoiding three point bending loading.
In order to achieve the above purpose, the utility model provides a following technical scheme: the universal loading tool for the stress corrosion fixture is used for measuring the deflection of a sample plate and comprises a stress loading tool main plate and a dial indicator, wherein one end of the dial indicator is a thimble, a dial indicator holder used for holding and fixing the dial indicator is arranged on the stress loading tool main plate, a positioning slide way arranged along a first direction is arranged on the stress loading tool main plate, and the dial indicator holder is arranged on the positioning slide way in a sliding manner; the stress corrosion clamp is arranged along the first direction and on the same side as the dial indicator, and two ends of the stress corrosion clamp are respectively provided with a stress corrosion clamp fixing clamp plate along the second direction; a stress loading screw rod penetrates through the stress corrosion clamp, the stress loading screw rod is parallel to the stress loading tool main board and is arranged along the first direction, and the projection lengths of the distances between the stress loading screw rod and the stress corrosion clamp fixing clamping plates at the two ends on the stress loading tool main board are consistent; a sample plate positioning device for positioning the sample plate is further arranged on the stress loading tool main board; the first direction is towards or away from the sample plate, and the second direction is parallel to the stress loading tool main plate and is perpendicular to the first direction.
Optionally, a stress corrosion clamp horizontal positioning plate parallel to the stress loading screw is arranged on the stress loading tool main plate, and the stress corrosion clamp horizontal positioning plate is used for limiting the loading direction of the stress corrosion clamp so as to be parallel to the stress loading tool main plate.
Optionally, the thimble is arranged along the first direction and vertically contacts the sample plate.
Optionally, a positioning washer for preventing the sample plate from rotating and displacing in the stress loading process is arranged on the stress loading screw.
Optionally, a stress corrosion clamp fastening screw for clamping the stress corrosion clamp is arranged on the stress corrosion clamp fixing clamping plate.
Optionally, a sample positioning screw for adjusting the height of the sample plate positioning device is arranged on one side, away from the stress corrosion fixture, of the stress loading tool main plate, and the sample positioning screw penetrates through the stress loading tool main plate and is in contact with the sample plate positioning device.
optionally, a slide fastening screw is arranged on one side of the stress loading tool main board, which is far away from the stress corrosion fixture, and the slide fastening screw is in contact with the dial indicator holder.
optionally, a four-point loading block for performing a four-point bending stress corrosion experiment is further arranged on the stress corrosion fixture, and the four-point loading block is clamped between the sample plate and the stress loading screw rod in parallel contact with the sample plate.
The beneficial effects of the utility model reside in that: 1. the dial indicator is fixed on the dial indicator holder, the distance between the thimble of the dial indicator and the sample can be adjusted through the positioning slide way, and the fixture with different sizes along the loading direction can be used.
2. The loading tool adopts the clamping plate to fix the stress corrosion clamp, is suitable for stress corrosion clamps with various sizes, and has strong universality.
3. The pointer of the dial indicator is always perpendicular to the sample plate and is positioned at the center of the loading tool, so that loading is facilitated, and efficiency is improved.
4. The loading tool is provided with a positioning gasket, so that the phenomena of rotation and displacement of a sample in the stress loading process are prevented.
5. The horizontal positioning plate is arranged between the two clamp plates, so that the loading direction of the clamp is parallel to the main plate, and the loading precision is improved.
6. And in the loading process, high-cost auxiliary tools such as a vice, a magnetic meter stand and the like are not used, so that the cost is reduced.
The novel loading precision of this use is high, application scope is wide, with low costs, easy operation, and the operator can make things convenient for, swiftly use this utensil in the experimentation, improves test efficiency and precision.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
FIG. 1 is a schematic structural view of a three-point bending stress loading tool for a stress corrosion fixture according to the present invention;
FIG. 2 is a bottom view of the universal stress corrosion clamp loading tool of the present invention;
Fig. 3 is a schematic structural view of the stress corrosion fixture four-point bending stress loading tool of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Reference numerals in the drawings of the specification include: the stress loading tool comprises a main board 1 of the stress loading tool, a dial indicator 2, a dial indicator holder 3, an ejector pin 4, a stress corrosion clamp 5, a stress corrosion clamp fixing clamp plate 6, a stress corrosion clamp fastening screw 7, a stress loading screw 8, a stress corrosion clamp horizontal positioning plate 9, a sample plate positioning device 10, a sample plate 11, a positioning slideway 12, a sample positioning screw 13, a slideway fastening screw 14 and a four-point loading block 15.
the universal stress corrosion clamp loading tool shown in fig. 1-2 is used for measuring the deflection of a sample plate 11, and comprises a stress loading tool main plate 1 and a dial indicator 2, wherein one end of the dial indicator 2 is a thimble 4, the thimble 4 is arranged along a first direction and vertically contacted with the sample plate 11, the stress loading tool main plate 1 is provided with a dial indicator holder 3 for holding and fixing the dial indicator 2, one side of the stress loading tool main plate 1, which is far away from a stress corrosion clamp 5, is provided with a slideway fastening screw 14, the slideway fastening screw 14 is contacted with the dial indicator holder 3, the stress loading tool main plate 1 is provided with a positioning slideway 12 arranged along the first direction, and the dial indicator holder 3 is arranged on the positioning slideway 12 in a sliding manner; the stress corrosion testing fixture is characterized by further comprising a stress corrosion fixture 5 used for clamping a sample plate 11, wherein the stress corrosion fixture 5 is arranged along the first direction and on the same side as the dial indicator 2, two ends of the stress corrosion fixture 5 are respectively provided with a stress corrosion fixture fixing clamp plate 6 along the second direction, and a stress corrosion fixture fastening screw 7 for clamping the stress corrosion fixture 5 is arranged on the stress corrosion fixture fixing clamp plate 6; a stress loading screw 8 penetrates through the stress corrosion clamp 5, the stress loading screw 8 is parallel to the stress loading tool main board 1 and is arranged along a first direction, the projection lengths of the distances between the stress loading screw 8 and the stress corrosion clamp fixing clamping plates 6 at two ends on the stress loading tool main board 1 are consistent, and a positioning gasket for preventing the sample plate 11 from rotating and displacing in the stress loading process is further arranged on the stress loading screw 8; a sample plate positioning device 10 for positioning a sample plate 11 is further arranged on the stress loading tool main plate 1, a sample positioning screw 13 for adjusting the height of the sample plate positioning device 10 is arranged on one side, away from the stress corrosion clamp 5, of the stress loading tool main plate 1, and the sample positioning screw 13 penetrates through the stress loading tool main plate 1 and is in contact with the sample plate positioning device 10; a stress corrosion clamp horizontal positioning plate 9 which is positioned under the stress loading screw 8 and is parallel to the stress loading screw 8 is arranged on the stress loading tool main plate 1, and the stress corrosion clamp horizontal positioning plate 9 is used for limiting the loading direction of the stress corrosion clamp 5 so as to enable the stress corrosion clamp to be parallel to the stress loading tool main plate 1; the first direction is a direction toward or away from the sample plate 11, and the second direction is parallel to the stress loading tool main plate 1 and perpendicular to the first direction.
When in use: 1. clamping the stress corrosion clamp 5 in a stress corrosion clamp fixing splint 6 through a stress corrosion clamp fastening screw 7, so that the stress corrosion clamp 5 is fixed on the stress loading tool main board 1;
2. Placing a sample plate 11 in a stress corrosion clamp 5, adjusting a sample positioning device to be in contact with the bottom of the sample plate 11 through a sample positioning screw 13, and adjusting a stress loading screw 8 and the sample plate 11 to be positioned;
3. Fixing a dial indicator 2 on a stress loading tool main board 1 through a dial indicator clamp 3;
4. adjusting the position of the dial indicator 2 along the positioning slide way 12 to enable the thimble 4 of the dial indicator 2 to be vertically contacted with the sample plate 11, and fastening a slide way fastening screw 14;
5. And (4) loading the sample by screwing the stress loading screw rod 8 through the inner hexagonal wrench until the dial indicator 2 displays a specified numerical value.
The universal stress corrosion clamp loading tool shown in fig. 3 is used for measuring the deflection of a sample plate 11, and comprises a stress loading tool main plate 1 and a dial indicator 2, wherein one end of the dial indicator 2 is a thimble 4, the thimble 4 is arranged along a first direction and vertically contacted with the sample plate 11, the stress loading tool main plate 1 is provided with a dial indicator holder 3 for holding and fixing the dial indicator 2, one side of the stress loading tool main plate 1, which is far away from a stress corrosion clamp 5, is provided with a slideway fastening screw 14, the slideway fastening screw 14 is contacted with the dial indicator holder 3, the stress loading tool main plate 1 is provided with a positioning slideway 12 arranged along the first direction, and the dial indicator holder 3 is arranged on the positioning slideway 12 in a sliding manner; the stress corrosion testing fixture is characterized by further comprising a stress corrosion fixture 5 used for clamping a sample plate 11, wherein the stress corrosion fixture 5 is arranged along the first direction and on the same side as the dial indicator 2, two ends of the stress corrosion fixture 5 are respectively provided with a stress corrosion fixture fixing clamp plate 6 along the second direction, and a stress corrosion fixture fastening screw 7 for clamping the stress corrosion fixture 5 is arranged on the stress corrosion fixture fixing clamp plate 6; a stress loading screw 8 penetrates through the stress corrosion clamp 5, the stress loading screw 8 is parallel to the stress loading tool main board 1 and is arranged along a first direction, the projection lengths of the distances between the stress loading screw 8 and the stress corrosion clamp fixing clamping plates 6 at two ends on the stress loading tool main board 1 are consistent, and a positioning gasket for preventing the sample plate 11 from rotating and displacing in the stress loading process is further arranged on the stress loading screw 8; a sample plate positioning device 10 for positioning a sample plate 11 is further arranged on the stress loading tool main plate 1, a sample positioning screw 13 for adjusting the height of the sample plate positioning device 10 is arranged on one side, away from the stress corrosion clamp 5, of the stress loading tool main plate 1, and the sample positioning screw 13 penetrates through the stress loading tool main plate 1 and is in contact with the sample plate positioning device 10; a stress corrosion clamp horizontal positioning plate 9 which is positioned under the stress loading screw 8 and is parallel to the stress loading screw 8 is arranged on the stress loading tool main plate 1, and the stress corrosion clamp horizontal positioning plate 9 is used for limiting the loading direction of the stress corrosion clamp 5 so as to enable the stress corrosion clamp to be parallel to the stress loading tool main plate 1; the stress corrosion clamp 5 is also provided with a four-point loading block 15 for carrying out a four-point bending stress corrosion experiment, and the four-point loading block 15 is in parallel contact with the sample plate 11 and clamped between the sample plate 11 and the stress loading screw 8; the first direction is a direction toward or away from the sample plate 11, and the second direction is parallel to the stress loading tool main plate 1 and perpendicular to the first direction.
When in use: 1. clamping the stress corrosion clamp 5 in a stress corrosion clamp fixing splint 6 through a stress corrosion clamp fastening screw 7, so that the stress corrosion clamp 5 is fixed on the stress loading tool main board 1;
2. Placing a sample plate 11 and a four-point loading block 15 in a stress corrosion fixture 5 in a matching manner, adjusting a sample positioning device to be in contact with the bottom of the sample plate 11 through a sample positioning screw 13, and adjusting a stress loading screw 8 to position the sample plate 11 and the four-point loading block 15 in a matching manner;
3. Fixing a dial indicator 2 on a stress loading tool main board 1 through a dial indicator clamp 3;
4. adjusting the position of the dial indicator 2 along the positioning slide way 12 to enable the thimble 4 of the dial indicator 2 to be vertically contacted with the sample plate 11, and fastening a slide way fastening screw 14;
5. And (4) loading the sample by screwing the stress loading screw rod 8 through the inner hexagonal wrench until the dial indicator 2 displays a specified numerical value.
The utility model discloses percentage table 2 is fixed on percentage table holder 3, can adjust the distance between 2 thimble 4 of percentage table and the sample through the locating slide 12, can all use to the anchor clamps of different sizes along the loading direction; the stress corrosion clamp 5 is fixed by the clamping plate, so that the stress corrosion clamp is suitable for stress corrosion clamps 5 of various sizes, and has strong universality; the pointer of the dial indicator 2 is always perpendicular to the sample plate 11 and is positioned at the center of the loading tool, so that loading is facilitated, and the efficiency is improved; the loading tool is provided with a positioning gasket, so that the phenomena of rotation and displacement of a sample in the stress loading process are prevented; a horizontal positioning plate is arranged between the two clamp plates, so that the loading direction of the clamp is parallel to the main plate, and the loading precision is improved; in the loading process, high-cost auxiliary tools such as a vice, a magnetic meter stand and the like are not used, so that the cost is reduced; the whole loading precision is high, the application range is wide, the cost is low, the operation is simple, an operator can conveniently and quickly use the device in the test process, and the test efficiency and precision are improved.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (8)
1. a universal loading tool for stress corrosion fixture is used for measuring the deflection of a sample plate,
Comprises a stress loading tool main board and a dial indicator,
One end of the dial indicator is a thimble, a dial indicator holder for holding and fixing the dial indicator is arranged on the stress loading tool mainboard, a positioning slide way arranged along a first direction is arranged on the stress loading tool mainboard, and the dial indicator holder is arranged on the positioning slide way in a sliding manner;
the stress corrosion clamp is arranged along the first direction and on the same side as the dial indicator, and two ends of the stress corrosion clamp are respectively provided with a stress corrosion clamp fixing clamp plate along the second direction;
a stress loading screw rod penetrates through the stress corrosion clamp, is parallel to the stress loading tool main board and is arranged along a first direction, and the projection lengths of the distances between the stress loading screw rod and the stress corrosion clamp fixing clamping plates at the two ends on the stress loading tool main board are consistent;
The stress loading tool main board is also provided with a sample plate positioning device for positioning the sample plate;
The first direction is a direction towards or away from the sample plate, and the second direction is parallel to the stress loading tool main plate and perpendicular to the first direction.
2. the universal stress corrosion fixture loading tool of claim 1, wherein the main stress loading tool plate is provided with a horizontal stress corrosion fixture positioning plate parallel to the stress loading screw, and the horizontal stress corrosion fixture positioning plate is used for defining the loading direction of the stress corrosion fixture so as to be parallel to the main stress loading tool plate.
3. the universal stress corrosion fixture loading tool of claim 1 wherein said thimble is disposed in a first direction and is in vertical contact with the sample plate.
4. the universal stress corrosion fixture loading tool of claim 1 wherein the stress loading screw is provided with a retention washer to prevent rotation and displacement of the sample plate during stress loading.
5. The universal stress corrosion clamp loading tool of claim 1, wherein the stress corrosion clamp fixing clamping plate is provided with a stress corrosion clamp fastening screw for clamping the stress corrosion clamp.
6. The stress corrosion fixture universal loading tool of claim 1, wherein a sample positioning screw for adjusting the height of the sample plate positioning device is provided on a side of the stress corrosion fixture main plate away from the stress corrosion fixture, and the sample positioning screw is provided through the stress loading tool main plate and contacts with the sample plate positioning device.
7. the stress corrosion fixture universal loading tool of claim 1, wherein a slide fastening screw is provided on a side of the stress corrosion fixture main plate away from the stress corrosion fixture, the slide fastening screw contacting the dial indicator holder.
8. the universal stress corrosion fixture loading tool of claim 1, wherein the stress corrosion fixture is further provided with a four-point loading block for performing a four-point bending stress corrosion test, and the four-point loading block is clamped between the sample plate and the stress loading screw in parallel contact with the sample plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920248640.2U CN209802840U (en) | 2019-02-27 | 2019-02-27 | Universal loading tool for stress corrosion clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920248640.2U CN209802840U (en) | 2019-02-27 | 2019-02-27 | Universal loading tool for stress corrosion clamp |
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| Publication Number | Publication Date |
|---|---|
| CN209802840U true CN209802840U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920248640.2U Active CN209802840U (en) | 2019-02-27 | 2019-02-27 | Universal loading tool for stress corrosion clamp |
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| Country | Link |
|---|---|
| CN (1) | CN209802840U (en) |
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- 2019-02-27 CN CN201920248640.2U patent/CN209802840U/en active Active
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