CN211740870U - Adjusting structure for hydraulic stretching detection of metal material - Google Patents
Adjusting structure for hydraulic stretching detection of metal material Download PDFInfo
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- CN211740870U CN211740870U CN202020126116.0U CN202020126116U CN211740870U CN 211740870 U CN211740870 U CN 211740870U CN 202020126116 U CN202020126116 U CN 202020126116U CN 211740870 U CN211740870 U CN 211740870U
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Abstract
The utility model relates to an adjusting structure for metal material hydraulic stretching detection, which comprises two clamps which are arranged in opposite directions, wherein each clamp comprises a base, two clamping plates are arranged on the base along the length direction of the base, a chute is arranged on the base along the length direction of the base, a sliding block is arranged at one end of each clamping plate abutted against the base, and the two sliding blocks are arranged in the chutes in a sliding manner; a screw rod is rotatably connected in the sliding chute along the length direction of the sliding chute, threads in opposite directions are arranged from the middle position to the two ends of the screw rod, and the two sliding blocks are respectively connected with the two sections of threads of the screw rod; the middle position along its length direction on the base is equipped with central scale mark, and two splint are unanimous with the distance of central scale mark. The utility model discloses a setting of two-way screw thread on the screw rod for tensile loading axis is unanimous with the central line of sample metalwork during tensile test, avoids other directions to produce stress influence tensile test's result, reaches the effect that improves tensile test's precision.
Description
Technical Field
The utility model belongs to the technical field of tensile check out test set's technique and specifically relates to an adjust structure that is used for tensile detection of metal material hydraulic pressure.
Background
Tensile test refers to a test method for measuring material properties under an axial tensile load. The data obtained from the tensile test can be used to determine the elastic limit, elongation, elastic modulus, proportional limit, area reduction, tensile strength, yield point, yield strength and other tensile property indexes of the material. Creep data can be obtained from tensile tests conducted at elevated temperatures. The procedure for the metal tensile test can be found in ASTM E-8. When the tensile test is carried out, the metal piece is subjected to tensile forces in two opposite directions, and in order to measure accurately, the central line of the metal is ensured to be consistent with the loading axis of the tensile force, so that the metal piece is not influenced by other stresses.
As shown in figure 1, the adjustable clamping mechanism for stretching the existing metal comprises two clamps 1, wherein the two clamps 1 are arranged in opposite directions, each clamp 1 comprises a base 11, connecting plates 14 are arranged at two ends of each base 11 along the length direction of the corresponding base, the base 11 is provided with threaded rods 15 in a rotating mode in the length direction of the corresponding base 14, one ends of the two threaded rods 15 which are arranged in opposite directions are provided with clamping plates 13, and one ends of the two threaded rods 15 which are arranged in opposite directions are provided with rotating handles 123.
When the middle clamp clamps the metal piece, the positions of the inner clamping plates of the upper clamp and the lower clamp are not easily in the same vertical plane, so that the upper end and the lower end of the metal piece are easily deviated, the metal piece is in an inclined state relative to a vertical axis, the central line of the metal piece is inconsistent with the loading axis of the tensile force, and the metal piece is subjected to stresses in different directions except for the two tensile forces when the metal piece is subjected to tensile test, so that the test structure is inaccurate.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide an adjust structure for tensile detection of metal material hydraulic pressure, its relative position that has the clamp splice about adjusting keeps the central line of loading axis and sample metalwork unanimous, eliminates the influence, reaches the effect that improves tensile test's precision.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an adjusting structure for hydraulic stretching detection of a metal material comprises two clamps which are arranged in opposite directions, each clamp comprises a base, two clamping plates are arranged on each base along the length direction of each base, a sliding groove is formed in each base along the length direction of each base, sliding blocks are arranged at one ends, abutted to the bases, of the two clamping plates, and the two sliding blocks are arranged in the sliding grooves in a sliding mode; a screw rod is rotatably connected in the sliding chute along the length direction of the sliding chute, threads in opposite directions are arranged on the screw rod from the middle position to the two ends, and the two sliding blocks are respectively connected with the two sections of threads of the screw rod; the middle position along its length direction on the base is equipped with central scale mark, two splint and central scale mark's distance is unanimous.
By adopting the technical scheme, the screw rod is provided with threads in opposite directions from the middle position to the two ends, and the two sliding blocks are respectively connected with the two sections of threads of the screw rod; when the screw rotates, the two clamping plates synchronously approach or leave the central scale mark, so that the two clamps are convenient to be matched to clamp the metal piece to be tested, the central line of the metal piece is overlapped with the horizontal line or the vertical line, the loading axis of the tensile force is ensured to be consistent with the central line of the sample metal piece during the tensile test, the stress generated in other directions is prevented from influencing the tensile test result, and the effect of improving the accuracy of the tensile test is achieved; and the arrangement of the central scale mark can enable an operator to easily observe whether the metal piece to be tested is positioned in the middle of the base.
The present invention may be further configured in a preferred embodiment as: and the base is provided with a first graduated scale from the central graduated line as a starting point to two ends along the length direction of the base.
Through adopting above-mentioned technical scheme, the setting of first scale for operating personnel confirms the position of metalwork on the base more easily, ensures that the central line of metalwork is unanimous with the width line of base, and tensile loading axis is unanimous with the central line of sample metalwork when ensuring tensile test, avoids other directions to produce stress and influences tensile test structure, reaches the effect that improves tensile test's precision.
The present invention may be further configured in a preferred embodiment as: one end of the screw rod is provided with a rotary table along the circumferential direction of the screw rod, and one end of the rotary table, which is far away from the base, is provided with a handle.
Through adopting above-mentioned technical scheme, the screw rod is convenient for rotate in the setting of carousel and handle, can screw up the screw rod simultaneously for two splint can tightly the centre gripping of the metalwork that will test, avoid the metalwork landing from two splint, promote splint's clamping capacity.
The present invention may be further configured in a preferred embodiment as: the cross sections of the sliding block and the sliding groove are both in a convex shape.
Through adopting above-mentioned technical scheme, the slider and the spout cooperation of type of protruding can promote the firm degree of slider and spout, avoid the slider to break away from the spout.
The present invention may be further configured in a preferred embodiment as: the end surfaces of the two clamping plates which are arranged oppositely are sawtooth surfaces.
Through adopting above-mentioned technical scheme, the setting of sawtooth surface can promote the splint to the centre gripping firmness of metalwork, can go on smoothly when guaranteeing tensile test.
The present invention may be further configured in a preferred embodiment as: and a second graduated scale is arranged at one end of the two clamping plates, which are back to back, along the length direction of the clamping plates.
Through adopting above-mentioned technical scheme, the setting of second piece scale for the staff can follow the side and observe the position of metalwork on the splint of two anchor clamps, receives the influence of the stress of other directions when avoiding the metalwork to appear inclining and lead to tensile test, ensures tensile test's precision.
The present invention may be further configured in a preferred embodiment as: and the first graduated scale is provided with a code.
Through adopting above-mentioned technical scheme, the setting of sign indicating number, the operating personnel of being convenient for confirms the position of metalwork on the base more easily, ensures that the central line of metalwork is unanimous with the width line of base, can confirm the size of metalwork through the sign indicating number simultaneously.
The present invention may be further configured in a preferred embodiment as: one scale of the first scale is 1 mm.
Through adopting above-mentioned technical scheme, a scale of first scale is 1mm, and the scale is more accurate for the staff passes through the position of scale can comparatively easy affirmation metalwork on the base, ensures that the central line of metalwork is unanimous with the width line of base.
To sum up, the utility model discloses a following at least one useful technological effect:
1. through the arrangement of the threaded rod, the sliding block, the sliding groove and the clamping plates, the two clamping plates are enabled to be synchronously close to or far away from the central scale mark, the two clamps are convenient to clamp the metal piece to be tested in a matching mode, the central line of the metal piece is enabled to be coincident with the horizontal line or the vertical line, the fact that the loading axis of the tensile force is consistent with the central line of the sample metal piece in the tensile test is ensured, the tensile test structure is prevented from being influenced by the stress generated in other directions, and the effect of improving;
2. through the arrangement of the sliding block and the sliding groove with the convex-shaped cross section, the firmness degree of the sliding block and the sliding groove can be improved, the sliding block is prevented from being separated from the sliding groove, and the tensile test is smoothly carried out;
3. through the arrangement of the serrated surface, the clamping firmness of the clamping plate on the metal piece can be improved, and the tensile test can be smoothly carried out;
4. the setting through the second scale makes the staff can follow the side and observes the position of metalwork on the splint of two anchor clamps, avoids the metalwork to appear the slope and receives the influence of the stress of other directions when leading to tensile test, improves tensile test's precision.
Drawings
FIG. 1 is a schematic view of the overall structure of a background art adjustable clamping mechanism for metal drawing;
fig. 2 is a schematic overall structure diagram of an adjusting structure for hydraulic stretching detection of a metal material according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a clamp in an embodiment of the present invention.
In the figure, 1, a clamp; 11. a base; 111. a central graduation line; 112. a first scale; 113. marking codes; 12. a chute; 121. a screw; 122. a disc; 123. a handle; 13. a splint; 131. a slider; 132. a second scale; 133. a sawtooth surface; 14. a connecting plate; 15. a threaded rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 2 and fig. 3, for the utility model discloses an adjust structure for tensile detection of metal material hydraulic pressure, be two and be the anchor clamps 1 that set up in opposite directions. Anchor clamps 1 includes base 11, is equipped with two splint 13 along its length direction on the base 11, has seted up spout 12 along its length direction on the base 11, and two splint 13 are equipped with slider 131, slider 131 and splint 13 integrated into one piece with the one end of base 11 butt. In two sliders 131 all slided and set up spout 12, the cross-section of slider 131 and spout 12 all is the type of protruding, and the slider 131 and the spout 12 cooperation of type of protruding can promote the firm degree of slider 131 with spout 12, avoid slider 131 to break away from spout 12.
Referring to fig. 2 and 3, a screw rod 121 is rotatably connected to the inside of the chute 12 along the length direction thereof, threads opposite in direction are arranged on the screw rod 121 from the middle position to the two ends, the two sliders 131 are respectively connected with the two threads of the screw rod 121, the base 11 is divided into two halves when the sliders 131 are assembled, and then the sliders 131 and the screw rod 121 are assembled and welded. The middle position of the base 11 along the length direction is provided with a central scale mark 111, the distance between the two clamping plates 13 and the central scale mark 111 is consistent, and when the screw 121 rotates, the two clamping plates 13 are synchronously close to or far away from the central scale mark 111. After the metal piece centre gripping that will await measuring is gone into to two splint 13, the central line of metal piece this moment should be located same vertical plane with central scale mark 111, and two anchor clamps 1 are setting up in opposite directions, and the metal piece centre gripping that will await measuring is gone into in the cooperation of two anchor clamps 1 for the splint 13 of two anchor clamps 1 is parallel to each other and is the symmetry setting, and then makes the central line and the horizontal line or the coincidence of vertical line of metal piece, and the metal piece is in the state of vertical or level placement promptly. The loading axis of the tensile force is consistent with the central line of the sample metal piece during the tensile test, stress generated in other directions is prevented from influencing the tensile test, and the effect of improving the accuracy of the tensile test is achieved. The utility model discloses it carries out tensile detection to be used for the tensile metal material of easier or the moderate sample of size generally.
Referring to fig. 2 and 3, a turntable is arranged at one end of the screw rod 121 along the circumferential direction thereof, and a handle 123 is arranged at one end of the turntable, which is far away from the base 11. The screw rod 121 is convenient to rotate by the aid of the rotary disc and the handle 123, and meanwhile, the screw rod 121 can be screwed down, so that the metal piece to be tested can be tightly clamped by the two clamping plates 13, the metal piece is prevented from sliding off from the two clamping plates 13, and clamping capacity of the clamping plates 13 is improved. The end faces of the two clamping plates 13 which are oppositely arranged are sawtooth faces 133, so that the clamping firmness of the clamping plates 13 to the metal part can be improved, and the tensile test can be smoothly carried out.
Referring to fig. 2 and 3, the base 11 is provided with first scales 112 from a central scale mark 111 as a starting point to two ends along the length direction of the base 11, and the first scales 112 are arranged, so that an operator can easily confirm the position of the metal part on the base 11, the central line of the metal part is consistent with the width line of the base 11, the loading axis of the tensile force is consistent with the central line of the sample metal part during the tensile test, the tensile test structure is prevented from being influenced by the stress generated in other directions, and the effect of improving the accuracy of the tensile test is achieved. Two splint 13 present that the one end that sets up back to the back of the body is equipped with second scale 132 along its length direction for the staff can observe the position of metalwork on the splint 13 of two anchor clamps 1 from the side, receives the influence of the stress of other directions when avoiding the metalwork to appear inclining and lead to tensile test, influences test structure. All be equipped with mark 113 on first scale 112 and the second scale 132, and the minimum scale is 1mm, and operating personnel passes through mark 113 and confirms the position of metalwork on base 11 more easily, ensures that the central line of metalwork is unanimous with the width line of base 11, can confirm the size of metalwork through mark 113 simultaneously. And metal rods or metal strips are generally selected as metal pieces. The operator can easily determine the cross-sectional area of the metal member by combining the data on the first scale 112 and the second scale 132.
The implementation principle of the embodiment is as follows: when carrying out metal tensile test, install two anchor clamps 1 on hydraulic test machine, rotate screw rod 121 through handle 123 and make splint 13 with the metalwork centre gripping under the drive of screw rod 121, because be equipped with two sections opposite screw threads on the screw rod 121, two splint 13 slide the same distance, the splint 13 cooperation of two anchor clamps 1, the metalwork centre gripping that will await measuring, and confirm through scale and mark 113 on first scale 112 and the second scale 132, make the splint 13 of two anchor clamps 1 be parallel to each other and be the symmetry setting, and then make the central line and the horizontal line or the coincidence of vertical line of metalwork, the metalwork is in the state of vertical or horizontal placement promptly. The loading axis of the tensile force is consistent with the central line of the sample metal piece during the tensile test, stress generated in other directions is prevented from influencing the tensile test, and the effect of improving the accuracy of the tensile test is achieved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an adjust structure for tensile detection of metal material hydraulic pressure, includes that two are anchor clamps (1) that set up in opposite directions, its characterized in that: the clamp (1) comprises a base (11), two clamping plates (13) are arranged on the base (11) along the length direction of the base, a sliding groove (12) is formed in the base (11) along the length direction of the base, sliding blocks (131) are arranged at one ends, abutted to the base (11), of the two clamping plates (13), and the two sliding blocks (131) are arranged in the sliding groove (12) in a sliding mode; a screw rod (121) is rotatably connected in the sliding groove (12) along the length direction of the sliding groove, threads in opposite directions are arranged on the screw rod (121) from the middle position to the two ends, and the two sliding blocks (131) are respectively in threaded connection with the two sections of the screw rod (121); the middle position of base (11) along its length direction is equipped with central scale mark (111), two splint (13) are unanimous with the distance of central scale mark (111).
2. The adjusting structure for hydraulic tension detection of metal materials according to claim 1, wherein: the base (11) is provided with a first graduated scale (112) towards two ends along the length direction of the base (11) by taking the central graduated line (111) as a starting point.
3. The adjusting structure for hydraulic tension detection of metal materials according to claim 1, wherein: and one end of the screw rod (121) is provided with a turntable along the circumferential direction, and one end of the turntable, which is far away from the base (11), is provided with a handle (123).
4. The adjusting structure for hydraulic tension detection of metal materials according to claim 1, wherein: the cross sections of the sliding block (131) and the sliding groove (12) are both in a convex shape.
5. The adjusting structure for hydraulic tension detection of metal materials according to claim 1, wherein: the end surfaces of the two clamping plates (13) which are arranged oppositely are sawtooth surfaces (133).
6. The adjusting structure for hydraulic tension detection of metal materials according to claim 1, wherein: and a second graduated scale (132) is arranged at one end of the two clamping plates (13) which are oppositely arranged along the length direction of the clamping plates.
7. The adjusting structure for hydraulic tension detection of metal materials according to claim 2, wherein: and a code (113) is arranged on the first graduated scale (112).
8. The adjusting structure for hydraulic tension detection of metal materials according to claim 2, wherein: one scale of the first scale (112) is 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020126116.0U CN211740870U (en) | 2020-01-19 | 2020-01-19 | Adjusting structure for hydraulic stretching detection of metal material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020126116.0U CN211740870U (en) | 2020-01-19 | 2020-01-19 | Adjusting structure for hydraulic stretching detection of metal material |
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| CN211740870U true CN211740870U (en) | 2020-10-23 |
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| CN202020126116.0U Active CN211740870U (en) | 2020-01-19 | 2020-01-19 | Adjusting structure for hydraulic stretching detection of metal material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857983A (en) * | 2021-01-06 | 2021-05-28 | 镇江市产品质量监督检验中心 | Clamp for tensile test |
| CN115609196A (en) * | 2022-11-11 | 2023-01-17 | 江苏冰溶管业有限公司 | Anti-dislocation mechanism for welding seamless steel pipe |
| CN118032512A (en) * | 2024-04-15 | 2024-05-14 | 肇庆理士电源技术有限公司 | Multidirectional tensile strength detection device for aluminum foil and application of multidirectional tensile strength detection device in lithium battery preparation |
-
2020
- 2020-01-19 CN CN202020126116.0U patent/CN211740870U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857983A (en) * | 2021-01-06 | 2021-05-28 | 镇江市产品质量监督检验中心 | Clamp for tensile test |
| CN115609196A (en) * | 2022-11-11 | 2023-01-17 | 江苏冰溶管业有限公司 | Anti-dislocation mechanism for welding seamless steel pipe |
| CN118032512A (en) * | 2024-04-15 | 2024-05-14 | 肇庆理士电源技术有限公司 | Multidirectional tensile strength detection device for aluminum foil and application of multidirectional tensile strength detection device in lithium battery preparation |
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