CN220772760U - Material tensile property experiment machine clamp - Google Patents
Material tensile property experiment machine clamp Download PDFInfo
- Publication number
- CN220772760U CN220772760U CN202322294797.8U CN202322294797U CN220772760U CN 220772760 U CN220772760 U CN 220772760U CN 202322294797 U CN202322294797 U CN 202322294797U CN 220772760 U CN220772760 U CN 220772760U
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- CN
- China
- Prior art keywords
- main body
- clamping opening
- clamp
- anchor clamps
- adjusting screw
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- 239000000463 material Substances 0.000 title claims abstract description 15
- 238000002474 experimental method Methods 0.000 title claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000003811 finger Anatomy 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a clamp of a material tensile property experiment machine. The fixture comprises a first fixture, a second fixture, a first sliding base, a second sliding base, a sliding rod and an object to be tested, wherein the first fixture and the second fixture are symmetrically arranged in the vertical direction of the two identical deformation fixtures, the deformation fixtures comprise a main body, the lower end of the main body is provided with a fixed base, the upper end of the main body is provided with a notch, the notch is connected with a lower clamping opening through bolts, the right end of the main body is provided with a handle, a guide rod and an adjusting screw rod vertically penetrate between the handle and the notch, the top ends of the guide rod and the adjusting screw rod are fixedly connected with a connecting part together, and the left end of the connecting part is transversely connected with an upper clamping opening. The utility model has the advantages of convenient clamping, accurate measurement and smooth operation.
Description
Technical Field
The utility model relates to the technical field of material testing, in particular to a clamp of a material tensile property experiment machine.
Background
When clamping an object to be tested, the clamp of the existing material tensile property experiment machine needs two hands to open the upper and lower clamping openings of the clamp, and the object to be tested can be accurately clamped after the third hand is contacted to help adjustment; the contact surface of the clamping opening of the clamp and the object to be measured is generally planar, but the planar contact surface cannot accurately judge the starting point and the end point of the length of the object to be measured, and then cannot accurately obtain the relation between the measured length and the deformation; when the objects to be measured are made of different materials, the requirements on the tightness degree of the clamping opening of the clamp are different, and the single spring increment cannot meet the requirements; the friction is usually reduced between the guide rod and the clamp by using a ball bearing, and the ball bearing easily drops off during the continuous clamping adjustment of the clamp so as to increase the friction and influence the clamping of the clamp.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a material tension performance experiment machine clamp which is used for clamping an object by one hand, accurately measuring the length of the object, adjusting the tightness degree of the clamp and stably reducing friction.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a material pulling force performance experiment machine anchor clamps, includes first anchor clamps, second anchor clamps, first slide base, second slide base, slide bar and the object that awaits measuring, and first anchor clamps and second anchor clamps vertically clip the object that awaits measuring, and first anchor clamps pass through first slide base of second fixing bolt rigid coupling, and second anchor clamps pass through first fixing bolt rigid coupling second slide base, and first slide base and second slide base carry out vertical slip through the slide bar, its characterized in that: the first clamp and the second clamp are symmetrically arranged in the vertical direction of the two same deformation clamps, the deformation clamps comprise a main body, a fixing base is arranged at the lower end of the main body, a notch is formed in the upper end of the main body, a lower clamping opening is formed in the notch in a bolt connection mode, a handle is arranged at the right end of the main body, a guide rod and an adjusting screw rod vertically penetrate through the handle and the notch, the top ends of the guide rod and the adjusting screw rod are fixedly connected with a connecting portion in a common mode, an upper clamping opening is transversely connected with the left end of the connecting portion, the upper clamping opening corresponds to the lower clamping opening, and the contact surface of the upper clamping opening and the lower clamping opening is in a fine line shape. The guide rod and the adjusting screw rod slide relatively with the main body and drive the connecting part to move vertically, and the connecting part drives the upper clamping opening to move vertically, so that the lower bottom surface of the upper clamping opening is kept parallel to the upper top surface of the lower clamping opening.
Preferably, the middle lower section of the adjusting screw is provided with a threaded section, the bottom of the threaded section is fixedly connected with a second nut in a threaded manner, and the middle upper section of the threaded section is connected with a first nut capable of being vertically moved and adjusted in a threaded manner.
Preferably, a spring is inserted in the middle upper section of the adjusting screw rod, the top of the spring is propped against the main body, and the bottom of the spring is propped against the first nut.
Preferably, a copper sleeve is arranged between the guide rod and the connecting part.
Preferably, the fixing base is provided with a threaded hole, and the threaded hole corresponds to the first fixing bolt and the second fixing bolt. The fixed base is detachably connected with the first sliding base or the second sliding base, so that the clamp is convenient to replace and maintain.
Preferably, the distance between the handle and the second nut is 10cm-13cm. The actual distance is determined by the distance from the thumb to the middle of the index finger of the hand.
Compared with the prior art, the utility model has the following advantages:
1. the handle is arranged and matched with the second nut to realize one-hand clamping.
2. The distance from the lower end of the main body to the first nut is changed through vertical movement adjustment of the first nut on the threaded section, so that the tightness degree of the spring is changed, and the applicability of the clamp is enhanced.
3. The ball bearing is replaced by the characteristic that the texture of the copper metal is softer, friction between the guide rod and the main body is reduced, and the object to be tested between the upper clamping opening and the lower clamping opening is ensured to be clamped stably when the object to be tested is continuously thinned in the testing process.
4. The contact surface of the upper clamp opening and the lower clamp opening in a thin line shape further refines the measuring distance, so that the measuring data more approaches to the real data.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic structural view of the deformation fixture in the present utility model.
The device comprises a first clamp, a second clamp, a 2-object to be tested, a first sliding base, a second sliding base, a first fixing bolt, a second fixing bolt, a 5-sliding rod, a 6-deformation clamp, a main body, a notch, a handle, a 64-fixing base, a 65-threaded hole, a 71-connecting part, a 72-adjusting screw, a 721-threaded section, a 722-first nut, a 723-second nut, a 73-guide rod, a 74-spring, a 75-copper bush, an 81-upper clamping opening and a 82-lower clamping opening, wherein the first clamp, the second object to be tested, the first sliding base, the second sliding base, the first fixing bolt, the second fixing bolt, the 5-sliding rod, the 6-deformation clamp, the main body, the 62-notch, the 63-handle, the 64-fixing base, the 65-threaded hole, the 71-connecting part, the 72-adjusting screw, the 721-threaded section, the 722-first nut, the 723-second nut, the 73-guide rod, the 74-spring.
Detailed Description
The present utility model is further illustrated in the accompanying drawings and detailed description which are to be understood as being merely illustrative of the utility model and not limiting of its scope, since various equivalent modifications to the utility model will fall within the scope of the appended claims to the skilled person after reading the utility model.
The material tensile property experiment machine clamp shown in figures 1 to 2 comprises a first clamp 11, a second clamp 12, a first sliding base 31, a second sliding base 32, a sliding rod 5 and an object 2 to be tested, wherein the first clamp 11 and the second clamp 12 vertically clamp the object 2 to be tested, the first clamp 11 is fixedly connected with the first sliding base 31 through a second fixing bolt 42, the second clamp 12 is fixedly connected with the second sliding base 32 through a first fixing bolt 41, the first sliding base 31 and the second sliding base 32 vertically slide through the sliding rod 5, the first clamp 11 and the second clamp 12 are symmetrically arranged in the vertical direction for two identical deformation clamps 6, the deformation clamps 6 comprise a main body 61, the lower end of the main body 61 is provided with a fixing base 64, the upper end of the main body 61 is provided with a notch 62, the notch 62 is connected with a lower clamping opening 82 through a bolt, the right end of the main body 61 is integrally provided with a handle 63, a guide rod 73 and an adjusting screw 72 vertically penetrate between the handle 63 and the notch 62, the top ends of the guide rod 73 and the adjusting screw 72 are connected with a connecting part 71 through common bolts, the left end of the connecting part 71 is transversely connected with an upper clamping opening 81, the upper clamping opening 81 corresponds to a lower clamping opening 82, the contact surface of the upper clamping opening 81 and the lower clamping opening 82 is in a thin line shape, the middle lower section of the adjusting screw 72 is provided with a threaded section 721, the bottom of the threaded section 721 is fixedly connected with a second nut 723, the middle upper section of the threaded section 721 is in threaded connection with a first nut 722 capable of being vertically moved and adjusted, the middle upper section of the adjusting screw 72 is penetrated with a spring 74, the top of the spring 74 abuts against the main body 61, the bottom of the spring 74 abuts against the first nut 722, a copper sleeve 75 is arranged between the guide rod 73 and the connecting part 71, a threaded hole 65 is formed in the fixing base 64, the threaded hole 65 corresponds to the first fixing bolt 41 and the second fixing bolt 42, the distance between the handle 63 and the second nut 723 is 13cm, the contact surface between the upper nip 81 and the lower nip 82 is thin line-shaped.
In the use process, the first nut 722 in the deformation clamp is adjusted to a proper position, the thumb is placed at the position of the handle 63 by one hand, the middle section of the index finger butts against the lower bottom surface of the second nut 723, the second nut 723 is pressed by force to deform the spring 74 and drive the connecting part 71 to vertically move upwards, the guide rod 73 is matched with the connecting part 71 to guide in the vertical direction, the upper clamp 81 and the lower clamp 82 are separated to clamp the object 2 to be measured between the upper clamp 81 and the lower clamp 82, the distance between the first clamp 11 and the second clamp 12 is adjusted, the object 2 to be measured is continuously stretched and deformed and thinned in the test process, the distance between the upper clamp 81 and the lower clamp 82 is continuously reduced, and at the moment, the copper sleeve 75 is continuously retracted in the guide rod 73, friction between the guide rod 73 and the main body 61 is reduced due to the soft texture of copper, so that the reduction process is smoother and smoother.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, as noted above, it is to be understood that the utility model is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (6)
1. The utility model provides a material pulling force performance experiment machine anchor clamps, includes first anchor clamps, second anchor clamps, first slide base, second slide base, slide bar and the object that awaits measuring, and first anchor clamps and second anchor clamps vertically clip the object that awaits measuring, and first anchor clamps pass through first slide base of second fixing bolt rigid coupling, and second anchor clamps pass through first fixing bolt rigid coupling second slide base, and first slide base and second slide base carry out vertical slip through the slide bar, its characterized in that: the first clamp and the second clamp are symmetrically arranged in the vertical direction of the two same deformation clamps, the deformation clamps comprise a main body, a fixing base is arranged at the lower end of the main body, a notch is formed in the upper end of the main body, a lower clamping opening is formed in the notch in a bolt connection mode, a handle is arranged at the right end of the main body, a guide rod and an adjusting screw rod vertically penetrate through the handle and the notch, the top ends of the guide rod and the adjusting screw rod are fixedly connected with a connecting portion in a common mode, an upper clamping opening is transversely connected with the left end of the connecting portion, the upper clamping opening corresponds to the lower clamping opening, and the contact surface of the upper clamping opening and the lower clamping opening is in a fine line shape.
2. The material tension performance testing machine fixture according to claim 1, wherein: the middle lower section of the adjusting screw is provided with a threaded section, the bottom thread of the threaded section is fixedly connected with a second nut, and the middle upper section of the threaded section is in threaded connection with a first nut capable of being vertically moved and adjusted.
3. The material tension performance testing machine fixture according to claim 2, wherein: the middle upper section of the adjusting screw rod is inserted with a spring, the top of the spring is propped against the main body, and the bottom of the spring is propped against the first nut.
4. The material tension performance testing machine fixture according to claim 1, wherein: a copper sleeve is arranged between the guide rod and the connecting part.
5. The material tension performance testing machine fixture according to claim 1, wherein: the fixed base is provided with a threaded hole, and the threaded hole corresponds to the first fixing bolt and the second fixing bolt.
6. The material tension performance testing machine fixture according to claim 1, wherein: the distance between the handle and the second nut is 10cm-15cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322294797.8U CN220772760U (en) | 2023-08-25 | 2023-08-25 | Material tensile property experiment machine clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322294797.8U CN220772760U (en) | 2023-08-25 | 2023-08-25 | Material tensile property experiment machine clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220772760U true CN220772760U (en) | 2024-04-12 |
Family
ID=90598282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322294797.8U Active CN220772760U (en) | 2023-08-25 | 2023-08-25 | Material tensile property experiment machine clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220772760U (en) |
-
2023
- 2023-08-25 CN CN202322294797.8U patent/CN220772760U/en active Active
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