A support for small size impact specimen placement

By designing a support for small-sized impact specimens, the problem of the self-centering clamp being unable to be adjusted was solved, enabling flexible adaptation to specimen size and stable clamping under low-temperature conditions, thus improving the accuracy of specimen placement and work efficiency.

CN224681941UActive Publication Date: 2026-08-25BAOTOU IRON & STEEL (GROUP) CO LTD
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Patent Information

Application Number
CN202521894706.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-03
Publication Date
2026-08-25
Estimated Expiration
2035-09-03

AI Technical Summary

Technical Problem

Existing self-centering clamps cannot be adjusted according to the size changes of small impact specimens, resulting in uneven force on the specimens. This makes clamping difficult, especially at low temperatures, and they cannot quickly and accurately clamp small impact specimens.

Method used

A support for small-sized impact test specimens was designed, comprising a base plate, a fixing plate, a placement plate, a connecting frame, an adjusting seat, and a self-centering clamp. The adjusting seat is slidably connected by a screw and a limiting nut, and the specimen size can be accurately adjusted and fixed by means of scale lines and pointers.

Benefits of technology

It enables flexible adjustment based on sample size, improves the accuracy of sample placement and work efficiency, and ensures stable sample clamping under low temperature conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a support for small -size impact sample placement, including the bottom plate, the bottom plate left side upper end welding has the fixed plate, and has the first placement board in the fixed plate right side upper end welding, the bottom plate upper end right side welding has the mounting plate, is located the fixed plate and mounting plate front and back both sides lower end all welding has the connecting frame. The utility model through being equipped with the connecting frame between the fixed plate and the installation, is equipped with the sliding connection's adjusting seat on the connecting frame, and adjusting seat can control the control disc according to the size of sample, and the interval between adjusting seat and fixed plate is adjusted and is adapted to sample size through the rotation of screw rod, not only can size adjustment according to sample, but also can place multiple sets of sample, improve work efficiency, through being equipped with the scale line on the bottom plate front end face, and the pointer of adjusting seat bottom can accurately align the scale line, make the interval between adjusting seat and fixed plate adapt to the size of sample, improve the accuracy of sample placement.
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Description

Technical Field

[0001] This utility model relates to the field of metal technology, specifically to a support for placing small-sized impact test specimens. Background Technology

[0002] The placement of the impact specimen must ensure that the center of impact of the hammer blade is located in the middle of the specimen length. Therefore, in actual production testing, a "self-centering clamp" is generally used. The thickness of the specimen gripping part of the "self-centering clamp" is 10mm, and its size is fixed and will not be adjusted according to changes in the size of the impact specimen, which has certain limitations in practical applications.

[0003] Due to thickness limitations, metal materials with a thickness ≤10mm can only be manufactured into small-sized impact test specimens. Small-sized impact test specimens are available in thicknesses of 7.5mm, 5mm, and 2.5mm. The current "self-centering clamp" has a problem: it does not adjust to changes in the size of the impact test specimen. When clamping small-sized impact test specimens, the force is concentrated at the top of the specimen, resulting in uneven force distribution and making it difficult to clamp the specimen quickly and accurately. This is especially true during low-temperature impact tests, where the lowest temperature for both the "small-sized impact test specimen" and the "self-centering clamp" reaches -60℃. Under low-temperature conditions, the frictional resistance between the two decreases, making specimen clamping even more difficult. Utility Model Content

[0004] The purpose of this invention is to provide a support for placing small-sized impact test specimens, so as to solve the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a support for placing small-sized impact test specimens, comprising a base plate, a fixing plate welded to the upper left side of the base plate, and a first placement plate welded to the upper right side of the fixing plate, an mounting plate welded to the upper right side of the base plate, connecting frames welded to the lower front and rear sides of the fixing plate and the mounting plate, a screw connected to the middle position between the fixing plate and the mounting plate via a bearing, and the right end of the screw passing through the mounting plate via a bearing and connected to the control panel, the screw being provided with limiting nuts, two of which are respectively located on both sides of the adjusting seat;

[0006] Two connecting frames are embedded with sliding adjustment seats, and threaded screws pass through the lower middle of the adjustment seats. A second placement plate is welded to the upper left side of the adjustment seat. A sample is placed on the first placement plate and the second placement plate. Self-centering clamps are arranged on the outside of the sample.

[0007] The base plate has scale lines on its front end face, and a pointer is fixed at the bottom of the front end face of the adjustment seat.

[0008] In a preferred embodiment of this invention, the connecting frame and the screw are positioned below the first placement plate.

[0009] As a preferred embodiment of this invention, the surface of the connecting frame is T-shaped with a smooth structure.

[0010] As a preferred embodiment of this utility model, a gap is provided between the bottom end face of the adjustment seat and the upper end face of the base plate.

[0011] As a preferred embodiment of this utility model, the upper surfaces of the first placement plate and the second placement plate are flush.

[0012] In a preferred embodiment of this invention, the upper surface of the sample is flush with the upper surfaces of the fixing plate and the mounting plate, respectively.

[0013] In a preferred embodiment of this invention, the bottom surface of the self-centering clamp is higher than the connecting frame and the screw, and the self-centering clamp is located on the upper side between the first placement plate and the second placement plate.

[0014] As a preferred embodiment of this invention, the bottom of the pointer has a tapered structure, and the left end face of the pointer is flush with the left end face of the adjustment seat.

[0015] In a preferred embodiment of this invention, the bottom of the pointer is lower than the upper surface of the base plate.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. In this utility model, a connecting frame is provided between the fixed plate and the mounting plate, and an adjusting seat with a sliding connection is provided on the connecting frame. The adjusting seat can control the control plate according to the size of the sample. By rotating the screw, the distance between the adjusting seat and the fixed plate can be adjusted to adapt to the size of the sample. Not only can the size be adjusted according to the sample, but multiple sets of samples can also be placed, which improves the work efficiency.

[0018] 2. In this utility model, by providing scale lines on the front end face of the base plate, the pointer at the bottom of the adjusting seat can be accurately aligned with the scale lines, so that the distance between the adjusting seat and the fixed plate is adapted to the size of the sample, thereby improving the accuracy of sample placement. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a front view of the connection structure between the connecting frame and the screw of this utility model;

[0021] Figure 3 This is a schematic diagram of part A of the present invention;

[0022] Figure 4 This is a partially exploded structural diagram of the connecting frame and adjusting seat of this utility model;

[0023] Figure 5 The left view shows a partial connection structure of the connecting frame and adjusting seat of this utility model.

[0024] Figure 6 This is a schematic diagram of the connection structure between the adjustment seat and the control panel of this utility model.

[0025] In the diagram: 1. Base plate; 2. Fixing plate; 3. First placement plate; 4. Mounting plate; 5. Screw; 6. Connecting frame; 7. Scale line; 8. Adjusting seat; 9. Second placement plate; 10. Sample; 11. Self-centering clamp; 12. Pointer; 13. Control panel; 14. Limit nut. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0027] In the description of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, in the description of this utility model, "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or a connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances. "Multiple" means two or more, and unless otherwise explicitly limited, all of them fall within the scope of protection of this utility model.

[0029] Example

[0030] like Figure 1-6As shown, this utility model provides a technical solution: including a base plate 1, a fixing plate 2 welded to the upper left side of the base plate 1, and a first placement plate 3 welded to the upper right side of the fixing plate 2, an installation plate 4 welded to the upper right side of the base plate 1, connecting brackets 6 welded to the lower front and rear sides of the fixing plate 2 and the installation plate 4, a screw 5 connected to the middle position between the fixing plate 2 and the installation plate 4 via a bearing, and the right end of the screw 5 passing through the installation plate 4 via a bearing and connected to the control panel 13, and a limiting nut 14 provided on the screw 5, two limiting nuts 14 provided and respectively located on both sides of the adjusting seat 8;

[0031] Two connecting frames 6 are embedded with sliding adjustment seats 8, and a threaded screw 5 passes through the middle of the lower end of the adjustment seat 8. A second placement plate 9 is welded to the upper left side of the adjustment seat 8. A sample 10 is placed on the first placement plate 3 and the second placement plate 9. A self-centering clamp 11 is arranged on the outside of the sample 10.

[0032] A scale line 7 is provided on the front end face of the base plate 1, and a pointer 12 is fixed at the bottom of the front end face of the adjustment seat 8. The distance between the fixed plate and the adjustment seat can be accurately adjusted according to the size of the sample.

[0033] The connecting bracket 6 and the screw 5 are positioned below the first placement plate 3 to prevent scratching between the placement plate and the connecting bracket and screw.

[0034] The surface of the connecting bracket 6 is T-shaped with a smooth structure, which reduces the friction between the adjusting seat and the connecting bracket and improves smoothness.

[0035] There is a gap between the bottom surface of the adjusting seat 8 and the top surface of the base plate 1 to prevent the adjusting seat from scraping against the base plate and to facilitate the adjustment of the adjusting seat.

[0036] The upper surfaces of the first placement plate 3 and the second placement plate 9 are flush, which makes the sample placement relatively flat.

[0037] The upper surface of the sample 10 is flush with the upper surfaces of the fixing plate 2 and the mounting plate 4, respectively, to facilitate the placement of the sample.

[0038] The bottom surface of the self-aligning clamp 11 is higher than that of the connecting frame 6 and the screw 5, and the self-aligning clamp 11 is located on the upper side between the first placement plate 3 and the second placement plate 9, so as to prevent the self-aligning clamp from working independently and avoid collisions with the connecting frame and the placement plate.

[0039] The bottom of pointer 12 has a tapered structure, and the left end face of pointer 12 is flush with the left end face of adjustment seat 8, which can accurately adjust the adjustment seat.

[0040] The bottom of pointer 12 is lower than the upper surface of base plate 1, which can accurately align with the size and improve the distance between the adjustment seat and the fixed plate.

[0041] Based on the small-sized impact test specimens with thicknesses of 5mm and 2.5mm, rectangular specimens with lengths of 55mm and widths of 10mm, three sets of impact test specimens can be placed simultaneously on two placement plates.

[0042] Working principle:

[0043] In use, the control panel 13 is controlled according to the size of the sample. The screw 5 is rotated by the control panel 13 to adjust the adjusting seat 8. The distance between the adjusting seat 8 and the fixing plate 2 is accurately adjusted according to the alignment of the pointer 12 and the scale line 7. Then, the limiting nut 14 is rotated on the screw 5 to adjust the two limiting nuts 14 to fix the adjusting seat 8. Then, the two ends of multiple sets of samples 10 are placed on the first placement plate 3 and the second placement plate 9 respectively. Then, the sample 10 is clamped by the self-centering clamp 11.

[0044] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A support for placing small-sized impact test specimens, comprising a base plate (1), characterized in that: A fixing plate (2) is welded to the upper left side of the base plate (1), and a first placement plate (3) is welded to the upper right side of the fixing plate (2). An installation plate (4) is welded to the upper right side of the base plate (1). A connecting frame (6) is welded to the lower front and rear sides of the fixing plate (2) and the installation plate (4). The screw (5) is connected to the screw rod (5) through a bearing at the middle position between the fixing plate (2) and the installation plate (4). The right end of the screw rod (5) passes through the installation plate (4) through a bearing and is connected to the control panel (13). A limit nut (14) is provided on the screw rod (5). There are two limit nuts (14) and they are located on both sides of the adjustment seat (8). Two connecting frames (6) are embedded with sliding adjustment seats (8), and a threaded screw (5) passes through the middle of the lower end of the adjustment seat (8). A second placement plate (9) is welded to the upper left side of the adjustment seat (8). A sample (10) is placed on the first placement plate (3) and the second placement plate (9). A self-centering clamp (11) is arranged on the outside of the sample (10). A scale line (7) is provided on the front end face of the base plate (1), and a pointer (12) is fixed at the bottom of the front end face of the adjustment seat (8).

2. The support for placing small-sized impact specimens according to claim 1, characterized in that: The connecting frame (6) and the screw (5) are located below the first placement plate (3).

3. A support for placing small-sized impact specimens according to claim 1, characterized in that: The surface of the connecting frame (6) is T-shaped with a smooth structure.

4. A support for placing small-sized impact specimens according to claim 1, characterized in that: There is a gap between the bottom surface of the adjustment seat (8) and the top surface of the base plate (1).

5. A support for placing small-sized impact test specimens according to claim 1, characterized in that: The upper surfaces of the first placement plate (3) and the second placement plate (9) are flush.

6. A support for placing small-sized impact specimens according to claim 1, characterized in that: The upper surface of the sample (10) is flush with the upper surfaces of the fixing plate (2) and the mounting plate (4), respectively.

7. A support for placing small-sized impact specimens according to claim 1, characterized in that: The bottom surface of the self-centering clamp (11) is higher than the connecting frame (6) and the screw (5), and the self-centering clamp (11) is located on the upper side between the first placement plate (3) and the second placement plate (9).

8. A support for placing small-sized impact specimens according to claim 1, characterized in that: The bottom of the pointer (12) is tapered, and the left end face of the pointer (12) is flush with the left end face of the adjustment seat (8).

9. A support for placing small-sized impact test specimens according to claim 8, characterized in that: The bottom of the pointer (12) is lower than the upper surface of the base plate (1).