CN217586637U - Clamp for testing shearing strength of adhesive - Google Patents
Clamp for testing shearing strength of adhesive Download PDFInfo
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- CN217586637U CN217586637U CN202220441814.9U CN202220441814U CN217586637U CN 217586637 U CN217586637 U CN 217586637U CN 202220441814 U CN202220441814 U CN 202220441814U CN 217586637 U CN217586637 U CN 217586637U
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Abstract
The utility model provides an adhesive shear strength test is with anchor clamps relates to test technical field. The utility model provides a test machine is used in anchor clamps cooperation test piece and shear strength test, the test piece include by two blocks of panels of adhesive bonding, anchor clamps include two clamping parts, wherein, the clamping part includes the connecting piece, is fixed in the fixed plate of the first end of connecting piece to and two massive locating parts of rectangle, the second end of connecting piece be used for with the testing machine is connected, be provided with two slotted holes on the fixed plate, at least one the locating part movable connection in the slotted hole, two the locating part sets up relatively and forms and holds the accommodation space of panel. The technical scheme of the utility model can carry out accurate test to the shear strength of adhesive.
Description
Technical Field
The utility model relates to a test technical field especially relates to an anchor clamps are used in adhesive shear strength test.
Background
The adhesive has the advantages of continuous stress distribution, light weight and the like, is widely applied and is suitable for connecting various components. In the production and use processes of the adhesive, the mechanical property of the adhesive needs to be tested to ensure the quality of the adhesive. The shear strength is one of the important indexes for characterizing the mechanical property of the adhesive. In the shear strength test process, the test piece cannot be directly applied with force through a testing machine, and a proper clamp needs to be provided so as to accurately test the shear strength of the adhesive.
SUMMERY OF THE UTILITY MODEL
The utility model provides an anchor clamps are used in adhesive shear strength test can carry out the accuracy test to the shear strength of adhesive.
The utility model provides an adhesive shear strength test is with anchor clamps adopts following technical scheme:
the clamp is used in cooperation with a test piece and a testing machine for shear strength test, the test piece comprises two plates bonded by the adhesive, the clamp comprises two clamping parts, wherein,
the clamping part comprises a connecting piece, a fixed plate fixed at the first end of the connecting piece and two rectangular block-shaped limiting pieces, the second end of the connecting piece is used for being connected with the testing machine, two slotted holes are formed in the fixed plate, at least one limiting piece is movably connected in the slotted hole, and the two limiting pieces are oppositely arranged to form an accommodating space for accommodating the plate;
in the testing process, two the connecting piece connect in on the testing machine, the test piece centre gripping is in two between the clamping part, two accommodation space dislocation set, the testing machine is to two the pressure that is on a parallel with bonding interface is applyed respectively to panel, two panel is respectively to two accommodation space removes.
Optionally, the connecting member and the fixing plate are of an integral structure.
Optionally, the thickness of the limiting member is greater than that of the plate.
Optionally, both the limiting members are movably connected in the slot.
Optionally, a bolt hole is formed in the limiting member, and a bolt penetrates through the slot hole and then is connected with the bolt hole in a matched manner.
Optionally, the bolt is a hex bolt.
Optionally, two bolt holes are provided on the stopper.
Optionally, the cross section of the fixing plate is rectangular, and the extending direction of the slot is parallel to the edge of the fixing plate.
Optionally, in a direction perpendicular to the extending direction of the slot, the size of the limiting member is the same as that of the fixing plate.
Optionally, the connecting piece, the fixing plate and the limiting piece are all made of stainless steel.
The utility model provides an adhesive shear strength test is with anchor clamps, anchor clamps include two clamping parts, wherein, the clamping part includes the connecting piece, is fixed in the fixed plate of the first end of connecting piece to and two massive locating parts of rectangle, the second end of connecting piece is used for being connected with the testing machine, is provided with two slotted holes on the fixed plate, and at least one locating part is movable to be connected in the slotted hole, and two locating parts set up the accommodation space that forms and hold panel relatively. In the testing process, two connecting pieces are connected on the testing machine, two clamping parts set up relatively, will include the test piece centre gripping that comprises two blocks of panel of adhesive bonding between two clamping parts, two accommodation space dislocation sets, the testing machine is to two blocks of panel pressure that applys the interface that is on a parallel with bonding respectively, two panels remove to two accommodation space respectively, the shear strength of adhesive can be confirmed to the size of testing machine application of force when separating through the two, thereby realize the accurate test to the shear strength of adhesive.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a test specimen provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a clamping portion according to an embodiment of the present invention;
fig. 3 is a top view of a connecting member and a fixing plate according to an embodiment of the present invention;
fig. 4 is a front view of a connecting member and a fixing plate according to an embodiment of the present invention;
fig. 5 is a top view of a position limiting member according to an embodiment of the present invention;
fig. 6 is a front view of a position-limiting member according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, in the present invention, the technical features may be combined with each other without conflict.
The embodiment of the utility model provides an anchor clamps are used in adhesive shear strength test, this anchor clamps cooperation test piece and shear strength test use the testing machine, as shown in fig. 1, fig. 1 is the utility model provides a test piece's structural schematic diagram, this test piece include by 1 adhesive panel 2a of adhesive and panel 2b, panel 2a and panel 2b can be for fibre reinforcing cement board, fibre reinforcing calcium silicate board, also can be other cement products class panel.
Specifically, as shown in fig. 2, fig. 2 is a schematic structural view of a clamp according to an embodiment of the present invention, fig. 3 is a top view of a connecting member and a fixing plate according to an embodiment of the present invention, fig. 4 is a front view of a connecting member and a fixing plate according to an embodiment of the present invention, the clamp includes two clamping portions 10, wherein,
the clamping portion 10 includes a connecting member 10a, a fixing plate 10b fixed to a first end of the connecting member 10a, and two rectangular-block-shaped limiting members 10c, a second end of the connecting member 10a is used for being connected with the testing machine, the fixing plate 10b is provided with two slots 10d, at least one limiting member 10c is movably connected in the slot 10d, and the two limiting members 10c are oppositely arranged to form an accommodating space for accommodating the plate 2a or 2 b.
In the testing process, two connecting pieces 10a are connected on the testing machine, the test piece centre gripping is between two clamping parts 10, two accommodation space dislocation set, the testing machine is applied the pressure (shown by the arrow in figure 2) that is on a parallel with bonding interface respectively to two panel 2a and 2b, two panel 2a and 2b remove to two accommodation space respectively, the shear strength of adhesive can be confirmed to the size of testing machine application of force when through the two separation, thereby realize the accurate test to the shear strength of adhesive.
The embodiments of the present invention will be described in detail below with respect to the components included in the clamping portion 10.
Optionally, in the embodiment of the present invention, the connecting member 10a and the fixing plate 10b are integrated into a whole, so that the strength of the clamping portion 10 is higher and the structural stability is better.
Optionally, in an embodiment of the present invention, as shown in fig. 2, a thickness of the limiting member 10c is greater than a thickness of the plate 2a or 2 b. So set up, can be so that in the testing process, when panel 2a or 2b atress in the test specimen, panel 2a or 2b and locating part 10 c's contact position can not destroy earlier, can minimize or avoid the test specimen and locating part 10 c's contact position destruction to the adverse effect of test result.
Optionally, the embodiment of the present invention provides an embodiment, one limiting part 10c is movably connected in the slot 10d, another limiting part 10c is fixedly connected in the slot 10d, the distance between two limiting parts 10c is adjusted through the position movement of this movably connected limiting part 10c, with the panel 2a or 2b of the different thickness of adaptation, or, both limiting parts 10c can be movably connected in the slot 10d, not only the distance between two limiting parts 10c is adjusted through the position movement of two limiting parts 10c this moment, the panel 2a or 2b of the different thickness of adaptation, and the structure of two limiting parts 10c is completely consistent, can also effectively guarantee the centering of the loading force center of the testing machine in the testing process, further promote the accuracy of the testing result.
Optionally, in the embodiment of the present invention, as shown in fig. 5 and fig. 6, fig. 5 is a top view of the limiting part provided in the embodiment of the present invention, fig. 6 is a front view of the limiting part provided in the embodiment of the present invention, a bolt hole 10e is provided on the limiting part 10c, and the bolt is connected with the bolt hole 10e after passing through the slot hole 10 d. Preferably, the bolt is a hexagon bolt, so that after the limiting piece 10c is installed on the fixing plate 10b, the surface of the fixing plate 10b is flat and free from projections, the butt joint installation with a testing machine is facilitated, and the operation is facilitated. Preferably, two bolt holes 10e are formed in the limiting member 10c to improve the firmness of the connection between the limiting member 10c and the fixing plate 10 b.
Optionally, in an embodiment of the present invention, as shown in fig. 3, a cross section of the fixing plate 10b is square, and an extending direction of the slot 10d is parallel to an edge of the fixing plate 10b, so that the size of the fixing plate 10b is smaller on the premise that the slot 10d is ensured to have a sufficient length as much as possible.
Optionally, in an embodiment of the present invention, as shown in fig. 2, in the extending direction of the vertical slot 10d, the size of the limiting part 10c is the same as that of the fixing plate 10b, so that the limiting part 10c has a better limiting effect on the plate 2a or 2 b.
Optionally, in the embodiment of the present invention, the connecting member 10a, the fixing plate 10b and the limiting member 10c are made of stainless steel, so that the fixture has high strength.
Exemplarily, as shown in fig. 2 to fig. 6 (the unit of size is mm in each figure), in the embodiment of the present invention, the connecting member 10a is cylindrical, the length thereof is 140mm, the diameter thereof is 30mm, one end of the connecting member 10a for connecting with the testing machine is provided with a fixing hole, and the diameter of the fixing hole is 20mm; the fixed plate 10b is rectangular, the side length is 120mm, and the thickness is 40mm; the length of the slotted hole 10d is 100mm, the width is 12mm, two ends of the slotted hole 10d are semicircular, and the radius of the semicircular is 6mm; the distance between the two slot holes 10d is 46mm, and the distance between the slot hole 10d and the edge of the fixing plate 10b is 25mm; the length of the limiting piece 10c is 120mm, the width is 40mm, two bolt holes 10e with the diameter of 10mm are arranged on the limiting piece 10c, the distance between the two bolt holes 10e is 58mm, and the distance between the bolt holes 10e and the edge of the limiting piece 10c is 31mm.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A clamp for testing the shear strength of an adhesive, which is used by matching with a test piece and a testing machine for testing the shear strength, wherein the test piece comprises two plates bonded by the adhesive, and is characterized in that the clamp comprises two clamping parts,
the clamping part comprises a connecting piece, a fixed plate fixed at the first end of the connecting piece and two rectangular block-shaped limiting pieces, the second end of the connecting piece is used for being connected with the testing machine, two slotted holes are formed in the fixed plate, at least one limiting piece is movably connected in the slotted hole, and the two limiting pieces are oppositely arranged to form an accommodating space for accommodating the plate;
in the testing process, two the connecting piece connect in on the testing machine, the test piece centre gripping is in two between the clamping part, two accommodation space dislocation set, the testing machine is to two the pressure that is on a parallel with bonding interface is applyed respectively to panel, two panel is respectively to two accommodation space removes.
2. The jig for testing the shear strength of an adhesive according to claim 1, wherein the connecting member is of an integral structure with the fixing plate.
3. The jig for testing the shear strength of an adhesive according to claim 1, wherein the thickness of the limiting member is greater than the thickness of the plate.
4. The jig for testing shear strength of an adhesive according to claim 1, wherein both of the position-limiting members are movably connected to the inside of the slot.
5. The clamp for testing the shearing strength of the adhesive according to claim 4, wherein the limiting member is provided with a bolt hole, and a bolt passes through the slot hole and then is connected with the bolt hole in a matching manner.
6. The jig for testing the shear strength of an adhesive according to claim 5, wherein the bolt is a hexagonal bolt.
7. The jig for testing the shear strength of an adhesive according to claim 5, wherein two bolt holes are provided on the stopper.
8. The jig for testing the shear strength of an adhesive according to claim 1, wherein the cross section of the fixing plate is square, and the extension direction of the slot is parallel to the edge of the fixing plate.
9. The jig for testing the shear strength of an adhesive according to claim 8, wherein the size of the stopper is the same as that of the fixing plate in a direction perpendicular to the extending direction of the slot.
10. The clamp for testing the shear strength of an adhesive according to claim 1, wherein the connecting member, the fixing plate and the limiting member are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220441814.9U CN217586637U (en) | 2022-03-02 | 2022-03-02 | Clamp for testing shearing strength of adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220441814.9U CN217586637U (en) | 2022-03-02 | 2022-03-02 | Clamp for testing shearing strength of adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217586637U true CN217586637U (en) | 2022-10-14 |
Family
ID=83539305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220441814.9U Active CN217586637U (en) | 2022-03-02 | 2022-03-02 | Clamp for testing shearing strength of adhesive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217586637U (en) |
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2022
- 2022-03-02 CN CN202220441814.9U patent/CN217586637U/en active Active
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