CN209945859U - Clamp for shear strength detection and detector adopting clamp - Google Patents
Clamp for shear strength detection and detector adopting clamp Download PDFInfo
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- CN209945859U CN209945859U CN201920428683.9U CN201920428683U CN209945859U CN 209945859 U CN209945859 U CN 209945859U CN 201920428683 U CN201920428683 U CN 201920428683U CN 209945859 U CN209945859 U CN 209945859U
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- shear strength
- punch
- upper die
- perforator
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Abstract
The utility model discloses a shear strength detects uses anchor clamps and adopts detector of this anchor clamps belongs to check out test set technical field. The utility model aims at providing a convenient efficient shear strength detects uses anchor clamps and adopts detector of this anchor clamps, and the detector includes that shear strength detects uses anchor clamps, and shear strength detects uses anchor clamps and includes perforator, last mould, lower mould and connection go up the mould with the fastener of lower mould, go up the mould with the lower mould assorted through-hole has been seted up, the through-hole with the perforator phase-match, still seted up in the lower mould with the through-going appearance chamber that the through-hole is linked together, the appearance chamber can hold the perforator. The sample is damaged after testing, the perforator sinks into the containing cavity of the lower die through the through hole, and the perforator can be easily taken out from the containing cavity through the opening of the through containing cavity.
Description
Technical Field
The utility model relates to a check out test set technical field, a shear strength detects uses anchor clamps and adopts the detector of this anchor clamps very much.
Background
The shear strength detector is used to detect the shear strength of a material, and the conventional shear strength detector generally includes a jig for holding the material to be detected and a punch for applying a shear force to the material to be detected, the jig generally includes an upper die and a lower die through which the material to be detected is clamped, and the punch is inserted into a through hole of the jig and placed on the upper portion of a sample. During detection, the perforator can be sunk into and clamped in the clamp after the sample is sheared and damaged, time and labor are wasted when the perforator is taken out, and the sample detection efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the at least one problem, an object of the utility model is to provide a convenient efficient shear strength detects uses anchor clamps and adopts the detector of this anchor clamps.
The utility model discloses a solve its technical problem and the technical scheme who adopts is: the utility model provides a shear strength detects uses anchor clamps, includes perforator, last mould, lower mould and connects go up the mould with the fastener of lower mould, go up the mould with the lower mould assorted has seted up the through-hole, the through-hole with perforator phase-match, still set up in the lower mould with the through-type appearance chamber that the through-hole is linked together, the appearance chamber can hold the perforator.
Preferably, the upper die and the lower die are respectively provided with two mounting holes in a matched manner, and the fastener is mounted through the mounting holes so that the upper die and the lower die can be fastened and loosened.
Preferably, the fastening piece comprises a screw rod and a nut matched with the screw rod, one end of the screw rod is installed on the installation hole of the lower die, the upper die penetrates through the other end of the screw rod through the installation hole on the upper die and is placed on the lower die, and the nut can press the upper portion of the upper die to fasten the upper die and the lower die by downwards rotating the screw rod.
Preferably, the punch portion protrudes from an upper surface of the upper mold after the test piece and the punch are loaded.
Preferably, after the sample and the punch are loaded, there is a gap between the punch and the upper die.
And simultaneously, the utility model also provides a detector, it includes foretell shear strength detects and uses anchor clamps.
Preferably, the apparatus further comprises a pressure applying means capable of applying a continuously increasing pressure to the top of the perforator and thereby applying a continuously increasing shear force to the sample.
One technical scheme of the technical scheme at least has one of the following advantages or beneficial effects: the lower die is also internally provided with a through type cavity communicated with the through hole, the cavity can contain the perforator, a sample is damaged after testing, the perforator sinks into the cavity of the lower die through the through hole, the perforator can be easily taken out from the cavity through an opening of the through type cavity, and the lower die is ingenious in design, convenient and fast to operate and simple in structure.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a top view of an embodiment of the present invention;
fig. 2 is a longitudinal sectional view of an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in fig. 1, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, the terms "set", "mounted", "connected", and the like are to be interpreted broadly, and may be, for example, directly connected or indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1-2, an embodiment of the present invention provides a clamp for shear strength detection, including perforator 20, upper die 11, lower die 12 and fastener 13 connecting upper die 11 and lower die 12, through hole 14 has been seted up to upper die 11 and lower die 12 assorted, through hole 14 and perforator 20 assorted, through-type chamber 15 that is linked together with through hole 14 has still been seted up in lower die 12, and chamber 15 can hold perforator 20. After the test, the sample 16 is damaged, the perforator 20 sinks into the through cavity 15 of the lower die 12 through the through hole 14, and the perforator 20 can be easily taken out from the through cavity 15 through the opening of the through cavity 15. In practical applications, the sample 16 may be plastic, metal, glass, or other common industrial materials; the through hole 14 is cylindrical, and may be in the shape of a rectangular parallelepiped, a pentagonal prism, a hexagonal prism, or the like, as long as the through hole 14 can be matched with the perforator 20; the cavity 15 is cylindrical, and may also be in the shape of a cuboid, a pentagonal prism, a hexagonal prism, an ellipsoid, or the like, as long as the cavity 15 can accommodate the perforator 20; the cavity 15 is designed to be through-type by being opened from the bottom of the lower mold 12, and may also be designed to be opened from the side of the lower mold 12, but is not limited thereto.
After the upper die 11 and the lower die 12 clamp the sample 16 by the fastening member 13, the sample 16 covers the through hole 14, the punch 20 is inserted into the through hole 14 and placed on the sample 16, the sample 16 is loaded by the shear strength detection jig, a continuously increasing pressure is applied to the top of the punch 20 until the sample 16 is sheared and broken, the shear force applied to the sample 16 when the shear failure occurs can be detected by an external detection device, and the shear strength of the sample 16 is measured. The force applying source can be mechanical force generated by equipment or a device, and can also be human force or other non-mechanical force; the detection device can detect the shear force which changes in real time and is applied to the sample 16, and can automatically output the shear strength value of the sample 16 by recording the maximum value of the shear force, combining the input shear area of the sample 16, and calculating the shear area.
The utility model discloses an in the embodiment, two mounting holes have respectively been seted up to last mould 11 and the last matching of lower mould 12, fastener 13 passes through the mounting hole installation so that last mould 11 and lower mould 12 can fasten and loosen, fastener 13 include lead screw 131 and with lead screw 131 assorted nut 132, lead screw 131 one end is installed on the mounting hole of lower mould 12, go up the mounting hole on mould 11 passes the lead screw 131 other end through it and place on lower mould 12 in, nut 132 can compress tightly last mould 11 upper portion through lead screw 131 downward rotation and go up mould 11 and lower mould 12 in order to fasten. The two mounting holes are formed, so that the number of the mounting holes can be reduced to the minimum on the premise of playing a fastening role, the operation time of manually tightening and loosening the fastening piece 13 is reduced, and the operation efficiency is improved; the screw rod 131 and the nut 132 are used as fasteners to realize positioning, so that the time required by positioning and mounting of the upper die is saved, the operation of unloading or mounting the nut 132 is more convenient and faster compared with the operation of fastening a screw and a bolt, and the operation efficiency is further improved. Of course, in practical applications, a screw, a bolt, a snap, a claw, a magnet, or the like may be used as the fastening member 13, but is not limited thereto.
In one embodiment of the present invention, after the sample 16 and the punch 20 are loaded, the punch 20 partially protrudes from the upper surface of the upper mold 11. The above arrangement can satisfy the requirement of more conveniently applying pressure to the top of the punch 20, avoid the inconvenience of more accurately positioning the point of application and applying force when the punch 20 is completely sunk into the upper die 11, and further improve the operation efficiency. Of course, in practical applications, the perforator 20 may be designed to have its loaded top flush with the upper surface of the upper die 11 or lower than the upper surface of the upper die 11, but is not limited thereto.
In one embodiment of the present invention, after the sample 16 and punch 20 are loaded, there is a gap 30 between the punch 20 and the upper die 11. The provision of gap 30 reduces the contact area between perforator 20 and the inner wall of through-hole 14, thereby reducing the resistance to relative sliding movement of perforator 20 within through-hole 14, so that perforator 20 may fall more smoothly into cavity 15. Of course, in practical applications, the size of the gap 30 may be flexibly adjusted, or no gap may be left, which is not limited to this.
In one embodiment of the present invention, including the pressurizing device, the pressurizing device can apply a continuously increasing pressure to the top of the perforator 20, thereby applying a continuously increasing shear force to the sample 16. The pressurizing device can meet the requirements of outputting stable and gradual pressure and a larger pressure range, improves the accuracy and the applicability of the detector, and can replace manpower to measure the pressure exceeding the manpower output range.
The above is only the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a shear strength detects uses anchor clamps which characterized in that: the punch comprises a punch, an upper die, a lower die and a fastener for connecting the upper die and the lower die, wherein the upper die and the lower die are matched and provided with through holes, the through holes are matched with the punch, the lower die is also provided with a through type containing cavity communicated with the through holes, and the containing cavity can contain the punch.
2. The clip for shear strength measurement according to claim 1, wherein: the upper die and the lower die are respectively provided with two mounting holes in a matched mode, and the fastener is installed through the mounting holes so that the upper die and the lower die can be fastened and loosened.
3. The clip for shear strength measurement according to claim 2, wherein: the fastener comprises a screw rod and a nut matched with the screw rod, one end of the screw rod is installed on the installation hole of the lower die, the upper die penetrates through the other end of the screw rod through the installation hole on the upper die and is placed on the lower die, and the nut can press the upper portion of the upper die to fasten the upper die and the lower die by downwards rotating the screw rod.
4. The clip for shear strength test according to any one of claims 1 to 3, wherein: the punch portion protrudes from an upper surface of the upper die after the test piece and the punch are loaded.
5. The clip for shear strength test according to any one of claims 1 to 3, wherein: after the sample and the punch are loaded, there is a gap between the punch and the upper die.
6. A detector, characterized by: comprising the shear strength test jig according to any one of claims 1 to 5.
7. The detector of claim 6, wherein: and a pressurizing device capable of applying a continuously increasing pressure to the top of the perforator, thereby applying a continuously increasing shear force to the sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428683.9U CN209945859U (en) | 2019-03-29 | 2019-03-29 | Clamp for shear strength detection and detector adopting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428683.9U CN209945859U (en) | 2019-03-29 | 2019-03-29 | Clamp for shear strength detection and detector adopting clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209945859U true CN209945859U (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920428683.9U Active CN209945859U (en) | 2019-03-29 | 2019-03-29 | Clamp for shear strength detection and detector adopting clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209945859U (en) |
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2019
- 2019-03-29 CN CN201920428683.9U patent/CN209945859U/en active Active
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