CN214066754U

CN214066754U - Special clamp for tensile test and tensile test instrument

Info

Publication number: CN214066754U
Application number: CN202023217844.1U
Authority: CN
Inventors: 胡海涛; 何锦明; 李朝忠; 何春森
Original assignee: Dongguan Weikong Precision Machinery Manufacturing Co ltd
Current assignee: Dongguan Weikong Precision Machinery Manufacturing Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-27
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to a tensile test anchor clamps technical field discloses a tensile test special fixture and tensile test appearance, include: the body that is "Y" style of calligraphy of falling, the top of body is provided with the connecting piece that is used for connecting the tensile test appearance, the body is close to the both sides of bottom and is provided with first adjusting screw, first adjusting screw passes the body towards the direction at the center of body is provided with the compact heap, can make through adjusting the both sides of body first adjusting screw can make the compact heap removes. Through the first adjusting screw of the both sides of body bottom for the compact heap of bottom is drawn close to the sample that will await measuring and is carried to the center of body, the utility model discloses an adjusting screw who adjusts both sides respectively for the power of both sides is equal when the sample that awaits measuring is carried, reaches the balance, can effectual improvement measuring accuracy, reduces testing error.

Description

Special clamp for tensile test and tensile test instrument

Technical Field

The utility model relates to a tensile test anchor clamps technical field especially relates to a tensile test special fixture and tensile test appearance.

Background

A tension test device is a mechanical device for mechanical property tests such as stretching, compressing, bending, shearing, stripping and the like of metal materials and non-metal materials, has wide application range, is suitable for scientific research institutions, laboratories of colleges and universities and industries such as rubber, tires, plastics, wires and cables, shoemaking, leather, textile, packaging, building materials, petrifaction, aviation and the like, is an indispensable detection device for material development, physical property tests, teaching research, quality control, feeding inspection, random inspection of production lines and the like, when tension test is carried out, a clamp is required to clamp a product to be tested, the precision of the clamp seriously influences the test result, the existing test clamp is shown in Chinese patent 201920512334.5, the sample to be tested is clamped through single screw adjustment, so that the forces on the left side and the right side of the clamp are unbalanced, when the sample to be tested is very thick, the error of the testing force value is large.

SUMMERY OF THE UTILITY MODEL

Based on above, the utility model aims at providing a tensile test special fixture and tensile test appearance can effectual improvement measuring accuracy, reduces testing error.

In order to achieve the purpose, the utility model adopts the following technical proposal:

in one aspect, a special clamp for a tensile test is provided, which includes: the body that is "Y" style of calligraphy of falling, the top of body is provided with the connecting piece that is used for connecting the tensile test appearance, the body is close to the both sides of bottom and is provided with first adjusting screw, first adjusting screw passes the body towards the direction at the center of body is provided with the compact heap, can make through adjusting the both sides of body first adjusting screw can make the compact heap removes.

The two sides of the body close to the bottom are provided with first through holes, and internal threads are arranged in the first through holes;

the first adjusting screw comprises a first head part and a first rod part, and an external thread matched with the internal thread of the first through hole is arranged on the first rod part.

And one end of the first rod part, which is far away from the first head part, is provided with a clamping joint.

The connecting piece comprises a connecting head and a connecting rod, the connecting rod is fixedly arranged below the connecting head, a second through hole is formed in the connecting rod, a containing cavity capable of containing the connecting rod is formed in the top of the body, a third through hole is further formed in the body, the third through hole is communicated with the containing cavity and perpendicular to the containing cavity, the connecting piece further comprises a second adjusting screw rod, and the second adjusting screw rod can penetrate through the third through hole and the second through hole to be connected with the connecting piece.

The second adjusting screw comprises a second head part and a second rod part, and the second rod part is provided with an external thread matched with the internal thread in the second through hole and the third through hole.

The connecting rod penetrates through the cushion block and is abutted to the cushion block.

Wherein, be provided with the mounting hole on the connector.

On the other hand, the utility model provides a tensile test appearance, including the anchor clamps that are used for cliping the test sample, anchor clamps are the aforesaid tensile test special fixture.

The utility model discloses a principle is that tensile test special fixture is connected to the tensile test appearance through the connecting piece on, through the first adjusting screw of the both sides of body bottom for the compact heap of bottom is drawn close to the sample that will await measuring to the center of body and is carried, the utility model discloses an adjust the adjusting screw of both sides respectively, the power of both sides is equal when making the sample that awaits measuring to be carried, reaches the balance, can effectual improvement measuring accuracy, reduces testing error.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural view of a special fixture for a tensile test according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure view of a special fixture for a tensile test according to an embodiment of the present invention;

fig. 3 is an exploded view of the special fixture for tension test according to the embodiment of the present invention.

In the figure:

1. a body; 11. a first through hole; 12. an accommodating chamber; 13. a third through hole;

2. a connecting member; 21. a connector; 211. mounting holes; 22. a connecting rod; 221. a second through hole; 23. a second adjusting screw; 231. a second head; 232. a second rod portion; 24. cushion blocks;

3. a first adjusting screw; 31. a first head portion; 32. a first rod portion; 33. a clamping head;

4. and (5) a compression block.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

As shown in fig. 1 to 3, the embodiment of the utility model provides a tensile test special fixture, include: the body 1 that is "Y" style of calligraphy of falling, the top of body 1 is provided with the connecting piece 2 that is used for connecting the tensile test appearance, the body 1 is close to the both sides of bottom and is provided with first adjusting screw 3, first adjusting screw 3 passes body 1 towards the direction at the center of body 1 is provided with compact heap 4, through adjusting the both sides of body 1 first adjusting screw 3 can make compact heap 4 removes.

The utility model discloses the principle is that tensile test special fixture is connected to the tensile test appearance through connecting piece 2 on, through the first adjusting screw 3 of the both sides of body 1 bottom for compact heap 4 of bottom is drawn close to the sample that will await measuring to clip to the center of body 1, the utility model discloses an adjust the adjusting screw of both sides respectively, the power of both sides is equal when making the sample that awaits measuring to clip, reaches the balance, can effectual improvement measuring accuracy, reduction testing error.

As a preferable mode of the embodiment of the present invention, two sides of the body 1 near the bottom are provided with first through holes 11, and the first through holes 11 are provided with internal threads;

the first adjusting screw 3 comprises a first head part 31 and a first rod part 32, and an external thread matched with the internal thread of the first through hole 11 is arranged on the first rod part 32.

Specifically, the first head 31 is rotated during use, so that the first rod 32 drives the pressing block 4 to move towards the center of the body 1, thereby clamping the sample to be tested.

As a preferable mode of the embodiment of the present invention, in order to stabilize the connection relationship between the pressing block 4 and the first rod portion 32, one end of the first rod portion 32, which is far away from the first head portion 31, is provided with a clamping head 33.

As an optimized mode of the embodiment of the utility model, the connecting piece 2 includes connector 21 and connecting rod 22, connecting rod 22 fixed set up in the below of connector 21, be provided with second through-hole 221 on the connecting rod 22, the top of body 1 is provided with and can holds connecting rod 22 holds chamber 12, still be provided with third through-hole 13 on the body 1, third through-hole 13 with hold chamber 12 communicate with each other and with it is mutually perpendicular to hold chamber 12, connecting piece 2 still includes second adjusting screw 23, second adjusting screw 23 can pass third through-hole 13 and second through-hole 221 will connecting piece 2 with body 1 connects. Specifically, at the time of installation, the connecting rod 22 is inserted into the accommodating chamber 12 while the second through hole 221 and the third through hole 13 are aligned, and then the second adjusting screw 23 is inserted, thereby connecting the connecting member 2 with the body 1.

As an optimized mode of the embodiment of the present invention, in order to make the connection relationship between the connection rod 22, the body 1 and the second adjusting screw 23 more stable, the second through hole 221 and the third through hole 13 are all provided with internal threads, the second adjusting screw 23 includes the second head 231 and the second rod portion 232, the second rod portion 232 is provided with external threads matched with the internal threads in the second through hole 221 and the third through hole 13.

As an optimized mode of the embodiment of the utility model, in order to avoid connecting piece 2 to rock in the test to cause experimental error, connector 21 with be provided with cushion 24 between body 1, connecting rod 22 passes cushion 24 and with cushion 24 butt.

As an embodiment of the utility model provides a preferred mode, for the installation of convenience, be connected connecting piece 2 and tensile test appearance, be provided with mounting hole 211 on the connector 21.

Example two

The embodiment of the utility model provides a tensile test appearance, including the anchor clamps that are used for cliping test sample, anchor clamps are embodiment one tensile test special fixture.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a tensile test special fixture which characterized in that includes: the body (1) is the style of calligraphy of falling "Y", the top of body (1) is provided with connecting piece (2) that are used for connecting the tensile test appearance, body (1) are close to the both sides of bottom and are provided with first adjusting screw (3), first adjusting screw (3) pass body (1) are towards the direction at the center of body (1) is provided with compact heap (4), through adjusting the both sides of body (1) first adjusting screw (3) can make compact heap (4) remove.

2. The special clamp for the tensile test according to claim 1, wherein two sides of the body (1) close to the bottom are provided with first through holes (11), and internal threads are arranged in the first through holes (11);

the first adjusting screw rod (3) comprises a first head portion (31) and a first rod portion (32), and an external thread matched with the internal thread of the first through hole (11) is arranged on the first rod portion (32).

3. The special fixture for the tensile test according to claim 2, wherein the end of the first rod part (32) far away from the first head part (31) is provided with a clamping joint (33).

4. The special fixture for the tensile test according to any one of claims 1 to 3, the connecting piece (2) comprises a connecting head (21) and a connecting rod (22), the connecting rod (22) is fixedly arranged below the connecting head (21), a second through hole (221) is arranged on the connecting rod (22), an accommodating cavity (12) capable of accommodating the connecting rod (22) is arranged at the top of the body (1), the body (1) is also provided with a third through hole (13), the third through hole (13) is communicated with the containing cavity (12) and is vertical to the containing cavity (12), the connecting piece (2) further comprises a second adjusting screw (23), and the second adjusting screw (23) can penetrate through the third through hole (13) and the second through hole (221) to connect the connecting piece (2) with the body (1).

5. The special fixture for the tensile test according to claim 4, wherein internal threads are arranged in the second through hole (221) and the third through hole (13), the second adjusting screw (23) comprises a second head portion (231) and a second rod portion (232), and external threads matched with the internal threads in the second through hole (221) and the third through hole (13) are arranged on the second rod portion (232).

6. The special clamp for the tensile test according to claim 4, wherein a cushion block (24) is arranged between the connecting head (21) and the body (1), and the connecting rod (22) penetrates through the cushion block (24) and abuts against the cushion block (24).

7. The special fixture for the tensile test according to claim 4, wherein the connecting head (21) is provided with a mounting hole (211).

8. A tensile tester, characterized by comprising a clamp for clamping a test sample, wherein the clamp is the special clamp for the tensile test according to any one of claims 1 to 7.