CN219201144U

CN219201144U - Testing device for measuring deformation of stressed sample

Info

Publication number: CN219201144U
Application number: CN202223523554.9U
Authority: CN
Inventors: 吕小平; 程佳文; 熊建平
Original assignee: Jiujiang Stemma Testing Instrument Manufacturing Co ltd
Current assignee: Jiujiang Stemma Testing Instrument Manufacturing Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-16
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to a testing device for measuring deformation of a sample after being stressed, which comprises: the device comprises a machine body, a base, a stretching clamping assembly, a deformation measuring assembly, a top bracket assembly, a bottom bracket and a test sample piece; wherein the base is positioned below the machine body; the stretching clamping component is connected with the machine body and the base in an adaptive manner and is clamped at two ends of the test sample piece; one end of the deformation measuring component is connected with the machine body through the top bracket component, and the other end of the deformation measuring component is connected with the base through the bottom bracket.

Description

Testing device for measuring deformation of stressed sample

Technical Field

The utility model relates to the technical field of testing devices, in particular to a testing device for measuring deformation of a sample after stress.

Background

The tensile test of a sample is one of test indexes, and the current test means is to apply tensile force to two ends of the test sample for tensile test. However, the test sample piece can deform in the stretching process, and the current test instrument cannot test the deformation, so that the application is specifically proposed.

Disclosure of Invention

The utility model provides a testing device for measuring deformation of a sample after stress, which can test deformation of a test sample in the stretching process by arranging a deformation measuring assembly on a traditional testing device, and is connected through a top bracket assembly and a bottom bracket, so that the deformation measuring assembly can be turned to the side when the deformation test is not performed and only conventional test is performed, and the operation of personnel is facilitated.

The technical aim of the utility model is realized by the following technical scheme:

a test device for measuring deformation of a test specimen after being subjected to a force, comprising:

the device comprises a machine body, a base, a stretching clamping assembly, a deformation measuring assembly, a top bracket assembly, a bottom bracket and a test sample piece;

wherein the base is positioned below the machine body;

the stretching clamping component is connected with the machine body and the base in an adaptive manner and is clamped at two ends of the test sample;

one end of the deformation measuring assembly is connected with the machine body through the top bracket assembly, and the other end of the deformation measuring assembly is connected with the base through the bottom bracket.

Compared with the prior art, the utility model has the following beneficial effects:

through set up deformation measurement subassembly on traditional testing arrangement, can test the deformation of test sample piece at tensile in-process, connect through top support subassembly, bottom support for can be when not carrying out deformation test and only carrying out conventional test with deformation measurement subassembly and change to the side, and be convenient for personnel's operation.

Further, the bottom support is provided with two, and is respectively arranged at two sides of the bottom of the deformation measuring assembly and is connected with the base in an adaptive manner.

Further, the bottom bracket is connected to the deformation measuring assembly by bolts.

Further, the top bracket assembly comprises a first bracket and a second bracket;

one end of the first support is connected with the machine body, the other end of the first support is connected with the second support, and the other end of the second support is connected with the deformation measuring assembly.

Further, the first support is L-shaped, and the second support is Z-shaped.

Further, the fuselage has a cross beam;

the stretching clamping assembly comprises 2 clamping parts, wherein one clamping part is connected with the cross beam, and the other clamping part is connected with the base;

the clamping part comprises a driving wheel, a driven wheel, a clamping wheel and a handle;

the driving wheel and the driven wheel are connected with a corresponding clamping wheel;

the handle is arranged on the driving wheel, and the driving wheel and the driven wheel are meshed through gears.

Further, the deformation measurement assembly comprises a longitudinal beam and a jaw;

the jaw is matched with the middle part of the test sample.

Drawings

FIG. 1 is a block diagram of a first state of a test apparatus of the present utility model;

FIG. 2 is a block diagram of another angle of the first state of the present utility model;

FIG. 3 is a detail view at A;

FIG. 4 is a block diagram of a second state of the testing device of the present utility model.

In the figure: a body 1; a base 2; a tension clamp assembly 3; a deformation measuring assembly 4; a top bracket assembly 5; a bottom bracket 6; a test sample 7; a cross beam 11; a clamping portion 31; a side member 41; jaw 42; a first bracket 51; a second bracket 52; a driving wheel 311; driven wheel 312; a pinch roller 313; a handle 314.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

the device comprises a machine body 1, a base 2, a stretching clamping assembly 3, a deformation measuring assembly 4, a top bracket assembly 5, a bottom bracket 6 and a test sample 7;

wherein the base 2 is positioned below the machine body 1;

the stretching clamping component 3 is connected with the machine body 1 and the base 2 in an adaptive manner and is clamped at two ends of the test sample piece 7;

one end of the deformation measuring assembly 4 is connected with the machine body 1 through the top bracket assembly 5, and the other end is connected with the base 2 through the bottom bracket 6.

Specifically, the test sample 7 can be clamped on the tensile clamping component 3 for tensile testing, the top bracket component 5 and the bottom bracket 6 of the deformation measuring component 4 are connected to the side, the deformation testing can be performed when the tensile testing is performed, and the deformation measuring component 4 can be turned to the side when the deformation testing is not required, so that the personnel can directly perform the tensile testing through the tensile clamping component 3.

In some embodiments, the bottom bracket 6 is provided with two bottom brackets, and is respectively arranged at two sides of the bottom of the deformation measuring assembly 4 and is in fit connection with the base 2.

The bottom bracket 6 is connected to the deformation measuring assembly 4 by bolts.

The top bracket assembly 5 includes a first bracket 51, a second bracket 52;

one end of the first bracket 51 is connected with the body 1, the other end is connected with the second bracket 52, and the other end of the second bracket 52 is connected with the deformation measuring assembly 4.

With the above technical solution, the whole deformation measuring assembly 4 can be turned to the side as shown in fig. 4 by removing the bolts on one of the bottom brackets 6.

Optionally, the first bracket 51 is L-shaped, and the second bracket 52 is Z-shaped.

The second bracket 52 can also rotate at the connection with the first bracket 51 during rotation.

In some embodiments, the fuselage 1 has a cross beam 11;

the stretching clamping assembly 3 comprises clamping parts 31, wherein the number of the clamping parts 31 is 2, one clamping part is connected with the cross beam 11, and the other clamping part is connected with the base 2;

the clamping part 31 comprises a driving wheel 311, a driven wheel 312, a clamping wheel 313 and a handle 314;

the driving wheel 311 and the driven wheel 312 are connected with a corresponding clamping wheel 313;

the handle 314 is arranged on the driving wheel 311, and the driving wheel 311 and the driven wheel 312 are meshed through gears.

With the above technical solution, the ends of the test sample 7 are placed at the positions of the two clamping wheels 313, and then the driving wheel 311 can rotate and drive the driven wheel 312 to rotate through the handle 314, and the two clamping wheels 313 rotate to roll in the two ends of the test sample 7 for tensile test.

In some embodiments, deformation measurement assembly 4 includes stringers 41, jaws 42;

jaw 42 fits in the middle of test specimen 7.

During conventional testing, the deformation measuring assembly 4 is integrally turned to the side, as shown in fig. 4, the jaw 42 is not matched with the test sample 7, so that the operation of personnel can be facilitated, and the interference is reduced; when a deformation test is required, the deformation measuring assembly 4 is turned to the state shown in the items 1-2, and the jaw 42 can be matched with the middle part of the test sample 7 to perform the deformation test.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims

1. A test device for measuring deformation of a test specimen after being subjected to a force, comprising:

the device comprises a machine body (1), a base (2), a stretching clamping assembly (3), a deformation measuring assembly (4), a top bracket assembly (5), a bottom bracket (6) and a test sample piece (7);

wherein the base (2) is positioned below the machine body (1);

the stretching clamping component (3) is connected with the machine body (1) and the base (2) in an adaptive manner and is clamped at two ends of the test sample piece (7);

one end of the deformation measuring assembly (4) is connected with the machine body (1) through the top bracket assembly (5), and the other end of the deformation measuring assembly is connected with the base (2) through the bottom bracket (6).

2. The test device for measuring deformation of a test specimen under force according to claim 1, wherein:

the bottom brackets (6) are arranged at two sides of the bottom of the deformation measuring assembly (4) and are connected with the base (2) in an adaptive manner.

3. A test device for measuring deformation of a test specimen under force as defined in claim 2, wherein:

the bottom bracket (6) is connected with the deformation measuring assembly (4) through bolts.

4. A test device for measuring deformation of a test specimen under force as defined in claim 3, wherein:

the top bracket assembly (5) comprises a first bracket (51) and a second bracket (52);

one end of the first bracket (51) is connected with the machine body (1), the other end of the first bracket is connected with the second bracket (52), and the other end of the second bracket (52) is connected with the deformation measuring assembly (4).

5. The test device for measuring deformation of a sample under force of claim 4, wherein:

the first support (51) is L-shaped, and the second support (52) is Z-shaped.

6. The test device for measuring deformation of a test specimen under force according to claim 1, wherein:

the fuselage (1) has a cross beam (11);

the stretching clamping assembly (3) comprises clamping parts (31), wherein the number of the clamping parts (31) is 2, one clamping part is connected with the cross beam (11), and the other clamping part is connected with the base (2);

the clamping part (31) comprises a driving wheel (311), a driven wheel (312), a clamping wheel (313) and a handle (314);

the driving wheel (311) and the driven wheel (312) are connected with a corresponding clamping wheel (313);

the handle (314) is arranged on the driving wheel (311), and the driving wheel (311) and the driven wheel (312) are meshed through gears.

7. The test device for measuring deformation of a sample under force of claim 4, wherein:

the deformation measurement assembly (4) comprises a longitudinal beam (41) and a jaw (42);

the jaw (42) is matched with the middle part of the test sample piece (7).