CN216560078U

CN216560078U - Bending property test strutting arrangement

Info

Publication number: CN216560078U
Application number: CN202122462099.5U
Authority: CN
Inventors: 陈小鹿; 陈平绪; 叶南飚; 周起雄; 颜杨; 佟伟
Original assignee: Kingfa Science and Technology Co Ltd
Current assignee: Kingfa Science and Technology Co Ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-05-17
Anticipated expiration: 2031-10-12

Abstract

The utility model relates to the technical field of mechanical property testing, in particular to a bending property testing supporting device which comprises a supporting table and a support which is detachably connected with the supporting table, wherein a plurality of placing grooves matched with the cross section shape of a sample are arranged on the support, and the placing grooves are communicated with the edge of the support. The utility model is convenient to use, can stably support the sample with irregular shape, and improves the testing efficiency and the testing accuracy.

Description

Bending property test strutting arrangement

Technical Field

The utility model relates to the technical field of mechanical property testing, in particular to a bending property testing supporting device.

Background

The cross section of the existing standard bending mechanical property sample is mostly rectangular and in an equal regular shape, and a support used for bending mechanical property test is in an approximate square structure; when the bending test is carried out, the sample directly overlaps the edge of the support without any other support. The existing support is only suitable for carrying samples with regular shapes, and for samples with irregular shapes, such as T-shaped structures, the cross section of the support is wide at the top and narrow at the bottom, so that the support cannot be stably placed on the existing support. Furthermore, the use of the existing support for supporting the irregularly-shaped sample can cause the test result to have large deviation when being directly used for mechanical property comparison or simulation evaluation of deformation of the irregularly-shaped structural material.

Chinese patent publication No. CN209485884U discloses a multifunctional material bending test apparatus which is capable of performing not only a three-point bending test of a material but also a four-point bending test by replacing a ram. Meanwhile, the device is a detachable device, can be directly connected with a tensile testing machine, is simple to operate, and greatly increases the application range of the testing equipment.

The above solution cannot be used to stably support irregularly shaped samples.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides the bending performance testing support device which is convenient to use, can stably support the sample with an irregular shape, and improves the testing efficiency and the testing accuracy.

In order to solve the technical problems, the utility model adopts the technical scheme that:

the support is provided with a plurality of placing grooves matched with the cross section shape of a sample, and the placing grooves are communicated with the edge of the support.

Preferably, a plurality of clearance avoiding positions are further arranged on the support and are communicated with the placing grooves in a one-to-one correspondence manner. The arrangement of the vacancy avoiding position can avoid the contact between the residual of the sample lapping sprue and the support when the bending performance is tested, and the test error can be reduced.

Preferably, the plurality of placing grooves comprise a first placing groove, a second placing groove, a third placing groove and a fourth placing groove which are not communicated with each other, and the first placing groove, the second placing groove, the third placing groove and the fourth placing groove are respectively communicated with different edges of the support.

Preferably, the first placement groove has a first T-shaped cross section, the second placement groove has a second T-shaped cross section, the third placement groove has a third T-shaped cross section, and the fourth placement groove has a fourth T-shaped cross section.

Preferably, the first T-shaped structure comprises a first horizontal section and a first vertical section connected with the first horizontal section, and both sides of the first vertical section are arc-shaped surfaces; the second T-shaped structure comprises a second horizontal section and a second vertical section connected with the second horizontal section, and the cross-sectional area of the second vertical section is gradually reduced from one end close to the second horizontal section to one end far away from the second horizontal section; the third T-shaped structure comprises a third horizontal section and a third vertical section connected with the third horizontal section, and two sides of the third vertical section are arc-shaped surfaces; the free end of the third vertical section is connected with an extension section; the fourth T-shaped structure comprises a fourth horizontal section and a fourth vertical section connected with the fourth horizontal section, and the fourth vertical section is funnel-shaped.

Preferably, the support is further provided with a plurality of protrusions, and the protrusions are located at the bottom of the placing groove in a one-to-one correspondence manner; the bulges are of arc structures. The contact position of the bottom surface of the sample and the support can be kept unchanged when the bending performance test is carried out.

Preferably, the plurality of placing grooves comprise a fifth placing groove and a sixth placing groove which are not communicated with each other, and the fifth placing groove and the sixth placing groove are respectively communicated with different edges of the support.

Preferably, the cross sections of the fifth placing groove and the sixth placing groove are both rectangular structures.

Preferably, the supporting table comprises a supporting table body and a plurality of clamping parts arranged on the supporting table body; the clamping part protrudes out of the top of the supporting table body, and a concave position matched with the support is formed between the clamping part and the top of the supporting table body.

Preferably, the bottom of the support platform body is further connected with a base.

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

the utility model relates to a bending performance test supporting device, wherein a support is used for supporting the end part of a sample, and a supporting table is used for fixing the support and a base of the test device; the placing grooves which are matched with the cross section of the sample are formed in the support, so that the placing stability of the sample on the support can be improved; the arrangement that standing groove and support edge are linked together can be convenient for the support to support in the tip position of sample.

Drawings

FIG. 1 is a schematic structural diagram of a bending performance testing supporting device 1 according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of embodiment 1 of the stand of the present invention;

FIG. 3 is a front view of the stand of the present invention;

FIG. 4 is a right side view of the stand of the present invention;

FIG. 5 is a rear view of the stand of the present invention;

FIG. 6 is a left side view of the stand of the present invention;

FIG. 7 is a schematic view of a support stage according to the present invention;

FIG. 8 is a diagram illustrating a state of use of the supporting device for bending test according to embodiment 1 of the present invention;

FIG. 9 is a schematic structural diagram of an embodiment 2 of a bending performance testing support apparatus according to the present invention;

FIG. 10 is a schematic view showing the structure of embodiment 2 of the stand of the present invention;

fig. 11 is a diagram illustrating a state of use of the bending performance testing supporting device in accordance with embodiment 2 of the present invention.

The graphic symbols are illustrated as follows:

1-supporting table, 11-supporting table body, 12-clamping part, 13-sunken position, 131-threaded hole, 14-base, 15-sliding block, 2-support, 21-first placing groove, 211-first horizontal section, 212-first vertical section, 22-second placing groove, 221-second horizontal section, 222-second vertical section, 23-second placing groove, 231-third horizontal section, 232-third vertical section, 233-extension section, 24-fourth placing groove, 241-fourth horizontal section, 242-fourth vertical section, 25-fifth placing groove, 26-sixth placing groove, 27-vacancy avoiding position, 28-protrusion, 29-through hole, 3-connecting piece, 4-T-shaped sample and 5-plate-shaped sample.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Example 1

Fig. 1 to 8 show a first embodiment of a bending performance testing support device according to the present invention, which includes a support platform 1 and a support base 2 detachably connected to the support platform 1, wherein the support base 2 is provided with a plurality of placement grooves matching with the cross-sectional shape of a sample, and the placement grooves are communicated with the edge of the support base 2.

The support 2 is used for supporting the end part of a sample, and the support table 1 is used for fixing the support 2 and a slide rail of the testing device; the placing grooves which are matched with the cross section of the sample are formed in the support 2, so that the placing stability of the sample on the support 2 can be improved; the standing groove is communicated with the edge of the support 2, so that the support 2 can be conveniently supported at the end position of the sample.

In addition, a plurality of clearance positions 27 are further arranged on the support 2, and the clearance positions 27 are communicated with the placing grooves in a one-to-one correspondence mode. The arrangement of the vacancy avoiding portion 27 can avoid the contact between the residual of the sample lapping gate and the support when the bending performance test is carried out, and the test error can be reduced. As shown in fig. 2, the clearance 27 communicates with the upper end of the placement chute. It should be noted that the bottom of the placing groove is also provided with a vacancy avoiding position, and the vacancy avoiding position at the bottom of the placing groove can avoid the bottom surface of the sample from being restricted when the bending performance test is carried out, so as to ensure that the stress situation of the sample is consistent with the stress situation of the actual sample.

The plurality of placing grooves comprise a first placing groove 21, a second placing groove 22, a third placing groove 23 and a fourth placing groove 24 which are not communicated with each other; the first placement groove 21, the second placement groove 22, the third placement groove 23, and the fourth placement groove 24 are respectively communicated with four mutually different edges of the pedestal 2.

As shown in fig. 2, the pedestal 2 has a square structure, and the first placement groove 21, the second placement groove 22, the third placement groove 23, and the fourth placement groove 24 communicate with four side surfaces of the pedestal 2, respectively. Specifically, the cross section of the first placement groove 21 is a first T-shaped structure, the cross section of the second placement groove 22 is a second T-shaped structure, the cross section of the third placement groove 23 is a third T-shaped structure, and the cross section of the fourth placement groove 24 is a fourth T-shaped structure.

As shown in fig. 2 and 3, the first T-shaped structure includes a first horizontal section 211 and a first vertical section 212 connected to the first horizontal section 211, and both sides of the first vertical section 212 are arc-shaped surfaces recessed inward.

As shown in fig. 2 and 4, the second T-shaped structure includes a second horizontal segment 221 and a second vertical segment 222 connected to the second horizontal segment 221, and the cross-sectional area of the second vertical segment 222 gradually decreases from an end close to the second horizontal segment 221 to an end far from the second horizontal segment 221.

As shown in fig. 2 and 5, the third T-shaped structure includes a third horizontal segment 231 and a third vertical segment 232 connected to the third horizontal segment 231, and both sides of the third vertical segment 232 are arc-shaped surfaces recessed inward; an extension section 233 is connected to an end of the third vertical section 232 away from the third horizontal section 231.

As shown in fig. 2 and 6, the fourth T-shaped structure includes a fourth horizontal section 241 and a fourth vertical section 242 connected to the fourth horizontal section 241, and the fourth vertical section 242 has a funnel shape.

In addition, as shown in fig. 7, the supporting table 1 includes a supporting table body 11 and a plurality of clamping portions 12 connected to the top of the supporting table body 11, in this embodiment, the clamping portions 12 are clamping blocks, the number of the clamping blocks is four, the four clamping blocks are respectively located at four corner positions of the top of the supporting table body 11, the clamping blocks protrude out of the top of the supporting table body 11, and recessed positions 13 matched with the support 2 are formed between the four clamping blocks and the top of the supporting table body 11. The bottom of the supporting table body 11 is also connected with a base 14, the base 14 is provided with a connecting hole, and the bottom of the base 14 is also connected with a slide block 15. The base 14 and the slider 15 are arranged to facilitate sliding connection of the support device and the test device slide rail. As shown in fig. 7, the support base body 11, the chucking part 12, the base 14, and the slider 15 are integrally molded.

As shown in fig. 1, 2 and 7, the support table 1 is detachably connected to the support base 2 by a connecting member 3. In this embodiment, the connecting member 3 is a screw, the middle portion of the support 2 is provided with a through hole 29, a threaded hole 131 is formed in a position on the support table 1 corresponding to the through hole 29, and the support table 1 and the support 2 are connected by sequentially penetrating the through hole 29 and the threaded hole 131 through the screw. In order to improve the connection stability, a gasket can be arranged between the screw and the support 2.

When in use, a matched placing groove is selected according to the cross section shape of the T-shaped sample 4, and the support 2 is connected with the support table 1 through the connecting piece 3; finally, the two ends of the T-shaped sample 4 are supported on the support 2, so that stable support is realized, as shown in FIG. 8.

Example 2

The present embodiment is similar to embodiment 1, except that, as shown in fig. 9 and 10, a plurality of protrusions 28 are provided on the support 2 in the present embodiment, the protrusions 28 are located at the bottom of the placement groove in a one-to-one correspondence, and the protrusions 28 are arc-shaped structures. The arc-shaped structure can keep the contact position of the bottom surface of the sample and the support unchanged when a bending performance test is carried out.

The plurality of placing grooves comprise a fifth placing groove 25 and a sixth placing groove 26 which are not communicated with each other, and the fifth placing groove 25 and the sixth placing groove 26 are respectively communicated with different edges of the support 2. Specifically, the cross sections of the fifth placement groove 25 and the sixth placement groove 26 are both rectangular structures, and the two rectangular structures may be configured to have the same length and width, or may be configured to have different lengths and widths.

As shown in fig. 10, the fifth placement groove 25 and the sixth placement groove 26 communicate with the first side surface and the second side surface of the pedestal 2, respectively, and the first side surface and the second side surface are opposite to each other.

When in use, a matched placing groove is selected according to the cross section shape of the plate-shaped sample 5, and the support 2 is connected with the support platform 1 through the connecting piece 3; finally, the two ends of the plate-shaped sample 5 are supported on the support 2, so as to realize stable support, as shown in fig. 11.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a bending property test strutting arrangement, including brace table (1) and with brace table (1) can dismantle support (2) of being connected, its characterized in that, be equipped with a plurality of and sample cross sectional shape assorted standing grooves on support (2), the standing groove is linked together with the edge of support (2).

2. The bending performance test supporting device as claimed in claim 1, wherein a plurality of clearance spaces (27) are further formed in the support (2), and the clearance spaces (27) are communicated with the placing grooves in a one-to-one correspondence manner.

3. The bending performance test supporting device according to claim 2, wherein the plurality of placing grooves comprise a first placing groove (21), a second placing groove (22), a third placing groove (23) and a fourth placing groove (24) which are not communicated with each other, and the first placing groove (21), the second placing groove (22), the third placing groove (23) and the fourth placing groove (24) are respectively communicated with different edges of the support (2).

4. The bending capability test supporting device according to claim 3, wherein the first placement groove (21) has a first T-shaped structure in cross section, the second placement groove (22) has a second T-shaped structure in cross section, the third placement groove (23) has a third T-shaped structure in cross section, and the fourth placement groove (24) has a fourth T-shaped structure in cross section.

5. The bending performance test supporting device according to claim 4, wherein the first T-shaped structure comprises a first horizontal section (211) and a first vertical section (212) connected with the first horizontal section (211), and two sides of the first vertical section (212) are arc-shaped surfaces;

the second T-shaped structure comprises a second horizontal section (221) and a second vertical section (222) connected with the second horizontal section (221), and the cross-sectional area of the second vertical section (222) is gradually reduced from one end close to the second horizontal section (221) to one end far away from the second horizontal section (221);

the third T-shaped structure comprises a third horizontal section (231) and a third vertical section (232) connected with the third horizontal section (231), and two sides of the third vertical section (232) are arc-shaped surfaces; the free end of the third vertical section (232) is connected with an extension section (233);

the fourth T-shaped structure comprises a fourth horizontal section (241) and a fourth vertical section (242) connected with the fourth horizontal section (241), and the fourth vertical section (242) is funnel-shaped.

6. The bending performance test supporting device is characterized in that a plurality of protrusions (28) are further arranged on the support (2), and the protrusions (28) are located at the bottom of the placing groove in a one-to-one correspondence mode; the bulge (28) is of an arc-shaped structure.

7. The bending performance test supporting device according to claim 6, wherein the plurality of placing grooves comprise a fifth placing groove (25) and a sixth placing groove (26) which are not communicated with each other, and the fifth placing groove (25) and the sixth placing groove (26) are respectively communicated with edges which are different from each other on the support (2).

8. The bending capability test supporting device according to claim 7, wherein the cross sections of the fifth placing groove (25) and the sixth placing groove (26) are rectangular structures.

9. The bending performance test supporting device according to any one of claims 1 to 8, wherein the supporting table (1) comprises a supporting table body (11) and a plurality of clamping parts (12) arranged on the supporting table body (11); the clamping part (12) protrudes out of the top of the supporting table body (11), and a concave position (13) matched with the support (2) is formed between the clamping part (12) and the top of the supporting table body (11).

10. The bending performance test supporting device according to claim 9, wherein a base (14) is further connected to the bottom of the supporting table body (11).