CN217211881U - Hardness detection experimental device for alloy material - Google Patents

Abstract

The utility model relates to the technical field of hardness detection, in particular to a hardness detection experimental device for alloy materials, which comprises a support frame, a detection table fixedly connected in the middle of the support frame, the detection table is of a T-shaped structure, guide blocks are fixedly connected on both sides of the lower end of the detection table, adjusting plates are slidably connected on both ends of the detection table, an extrusion plate is fixedly connected on the upper end of each adjusting plate, the adjusting plates and the extrusion plate form an L-shaped structure, a mounting groove is arranged in the middle of each adjusting plate, a driving groove is arranged in the middle of each adjusting plate, the driving groove is positioned at the lower end of the mounting groove, a connecting column is arranged at the side end of each adjusting plate, both ends of the connecting column are fixedly connected with the support frame, a control screw rod is rotatably connected in the middle of the support frame, a control plate is connected with the middle thread of the control screw rod, a hydraulic rod is fixedly connected on the inner wall of the upper end of the support frame, the utility model can extrude and fix both ends of the detected alloy, the two ends of the alloy are prevented from tilting during detection, and meanwhile, the alloy is prevented from flying out.

Description

An experimental device for hardness testing of alloy materials

technical field

The utility model relates to the technical field of hardness detection, in particular to an experimental device for hardness detection of alloy materials.

Background technique

When the application scenarios of alloy materials are different, the required hardness is also different, especially for bridges, scaffolding and support beams and other scenarios, the structure needs to achieve a certain load capacity, which requires accurate knowledge of the hardness of the alloy. Therefore, before construction, the hardness of the alloy material will be tested to avoid design errors and safety accidents. In the existing hardness testing devices, the testing alloy is directly placed on the testing table, and there is no fixed structure. During the inspection, both ends of the alloy are easy to warp. Once the extrusion force is too large, the alloy will break, and the alloy will fly out, posing a threat to the safety of the inspectors.

Utility model content

The purpose of the present utility model is to provide an experimental device for testing the hardness of alloy materials, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: an experimental device for testing the hardness of alloy materials, comprising a support frame, a test table is fixedly connected in the middle of the support frame, and the test table is a T-shaped structure, and the test table is a T-shaped structure. Both sides of the lower end of the detection table are fixedly connected with guide blocks, both ends of the detection table are slidably connected with adjustment plates, and the upper ends of the adjustment plates are fixedly connected with a squeeze plate, and the adjustment plate and the squeeze plate form an L The middle of the adjustment plate is provided with an installation groove, the middle of the adjustment plate is provided with a driving groove, the driving groove is located at the lower end of the installation groove, the side end of the adjustment plate is provided with a connecting column, and the connection Both ends of the column are fixedly connected with the support frame, the middle of the support frame is rotatably connected with a control screw, the middle screw of the control screw is connected with a control plate, the upper end of the support frame is fixedly connected with a hydraulic rod, and the hydraulic rod is connected with the hydraulic rod. A pressure head is fixedly connected in the middle of the lower end.

Preferably, the guide block is a right-angled triangle structure, the lower end of the guide block is an inclined surface structure, a connecting wheel is rotatably connected to the inner wall of the lower end of the installation groove, and the lower end side wall of the guide block abuts on the connecting wheel .

Preferably, the installation groove is of a cross-shaped structure, an auxiliary plate is slidably connected in the middle of the installation groove, a ball is embedded in the lower end of the auxiliary plate, the ball abuts on the upper end surface of the guide block, and the auxiliary plate A return spring is fixedly connected between its upper end and the inner wall of the installation groove.

Preferably, both ends of the detection table are provided with guide grooves, and the adjustment plate is slidably connected in the guide grooves.

Preferably, both ends of the connecting column are slidably connected with a driving ring, a side end of the driving ring is fixedly connected with a driving column, and the driving column is slidably connected in the driving groove.

Preferably, both ends of the control board are hingedly connected with control rods, the two control rods are symmetrically arranged, and the top ends of the two control rods are rotatably connected with connecting shafts, and the control rods are driven by the connecting shafts. Ring rotation connection.

Compared with the prior art, the beneficial effect of the present utility model is: after the alloy is placed on the testing table, the control screw is rotated, and the control screw can drive the adjustment plate to move, and the extrusion plate is gradually moved downward under the fast guiding guidance. The alloy is extruded and fixed by the extrusion plate, so that both ends of the alloy to be tested are limited and fixed, so as to prevent the two ends of the alloy from being lifted when the indenter extrudes the alloy, and also to prevent the alloy from flying out. In this case, the personal safety of the detection personnel is ensured, and the utility model can be adapted to the detection of metals of different thicknesses, with a larger detection range and stronger practicability.

Description of drawings

Fig. 1 is the schematic diagram of the connection structure of the device;

Figure 2 is a schematic diagram of the connection structure of the adjustment plate;

Figure 3 is an enlarged schematic diagram of point A;

Figure 4 is a bottom view of the auxiliary board connection structure.

In the picture: 1 support frame, 2 inspection table, 3 pressure head, 4 adjustment plate, 5 guide groove, 6 extrusion plate, 7 control plate, 8 connecting column, 9 control screw, 10 control rod, 11 installation groove, 12 auxiliary Plate, 13 return spring, 14 drive slot, 15 drive ring, 16 drive column, 17 guide block, 18 ball.

Detailed ways

In order to deepen the understanding and recognition of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described and introduced with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Some embodiments of the present invention, but not all of the embodiments, are not intended to limit the embodiments in any form. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, the present utility model provides a technical solution: an alloy material hardness testing experiment device, comprising a support frame 1, a test table 2 is fixedly connected in the middle of the support frame 1, and the test table 2 is a T-shaped structure , both sides of the lower end of the detection table 2 are fixedly connected with guide blocks 17, both ends of the detection table 2 are slidably connected with an adjustment plate 4, and the upper end of the adjustment plate 4 is fixedly connected with a squeeze plate 6, the adjustment plate 4 and the squeeze plate 6 to form an L-shaped structure, an installation slot 11 is arranged in the middle of the adjustment plate 4, a drive slot 14 is arranged in the middle of the adjustment plate 4, the drive slot 14 is located at the lower end of the installation slot 11, and the side end of the adjustment plate 4 is arranged with a connecting column 8, Both ends of the connecting column 8 are fixedly connected with the support frame 1, the middle of the support frame 1 is rotatably connected with a control screw 9, the middle screw of the control screw 9 is connected with a control board 7, and the inner wall of the upper end of the support frame 1 is fixedly connected with a hydraulic rod. A pressure head 3 is fixedly connected in the middle of the lower end of the rod, and the hydraulic rod drives the pressure head 3 to move downward to perform extrusion detection on the alloy placed on the testing table 2 .

The guide block 17 is a right-angled triangle structure, the lower end of the guide block 17 is an inclined surface structure, a connecting wheel is rotatably connected to the inner wall of the lower end of the installation groove 11, and the lower end side wall of the guide block 17 abuts on the connecting wheel. Both are provided with a guide groove 5, and the adjustment plate 4 is slidably connected to the guide groove 5. When the adjustment plate 4 moves horizontally, it is guided by the guide block 17, and the extrusion plate 6 and the adjustment plate 4 move along the vertical direction. The two ends of the alloy are extruded and fixed to prevent the two ends of the alloy from being lifted during the detection, and at the same time to prevent the alloy from flying out, and it can also adapt to the detection of alloys of different thicknesses.

The installation groove 11 is of a cross-shaped structure, the middle of the installation groove 11 is slidably connected with the auxiliary plate 12, the lower end of the auxiliary plate 12 is inlaid with balls 18, the balls 18 abut on the upper end surface of the guide block 17, the upper end of the auxiliary plate 12 and the installation groove A return spring 13 is fixedly connected between the inner walls of 11. When the adjustment plate 4 moves vertically downward, the guide block 17 pushes up the auxiliary plate 12, the auxiliary plate 12 slides in the installation groove 11, and the auxiliary plate 12 is opposite to the return spring 13. Compressing and accumulating force is performed. When the detection is over, the return spring 13 can restore the pressing plate 6 to its original position, and the ball 18 can reduce the frictional force.

Both ends of the connecting column 8 are slidably connected with a drive ring 15, a side end of the drive ring 15 is fixedly connected with a drive column 16, the drive column 16 is slidably connected in the drive slot 14, and both ends of the control board 7 are hingedly connected with a control rod 10. The two control rods 10 are symmetrically arranged, and the top ends of the two control rods 10 are rotatably connected with a connecting shaft. The control rod 10 is rotatably connected with the driving ring 15 through the connecting shaft. The control screw 9 is rotated, and the control screw 9 drives the control board 7 to move. , the control plate 7 drives the drive ring 15 to move on the connecting column 8 through the two control rods 10 , the drive ring 15 drives the adjustment plate 4 to move through the drive column 16 , and the drive column 16 moves vertically in the drive slot 14 .

Rotate the control screw 9, the control screw 9 drives the control board 7 to move, the control board 7 drives the drive ring 15 to move on the connecting column 8 through the two control rods 10, and the drive ring 15 drives the adjustment plate 4 to move horizontally through the drive column 16. At this time The guide block 17 guides the adjusting plate 4, so that the pressing plate 6 and the adjusting plate 4 move along the vertical direction, and the two ends of the alloy are pressed and fixed.

Although the embodiments of the present invention have been shown and described, it should be emphasized that the above description is only an introduction and description of the usage of the embodiments of the present invention, and does not limit the present invention in any form. For those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the present invention, and the scope of the present invention is determined by the appended rights requirements and their equivalents.

Claims (6)

1. An experimental device for testing the hardness of an alloy material, comprising a support frame (1), characterized in that: the middle of the support frame (1) is fixedly connected with a testing table (2), and the testing table (2) is a T A guide block (17) is fixedly connected to both sides of the lower end of the detection table (2), and an adjustment plate (4) is slidably connected to both ends of the detection table (2). ) is fixedly connected with a pressing plate (6), the adjusting plate (4) and the pressing plate (6) form an L-shaped structure, and a mounting groove (11) is arranged in the middle of the adjusting plate (4), so A drive slot (14) is provided in the middle of the adjustment plate (4), the drive slot (14) is located at the lower end of the installation slot (11), and the side end of the adjustment plate (4) is provided with a connecting column (8), Both ends of the connecting column (8) are fixedly connected with the support frame (1), the middle of the support frame (1) is rotatably connected with a control screw (9), and the middle thread of the control screw (9) is connected with a control screw (9). A plate (7), a hydraulic rod is fixedly connected to the inner wall of the upper end of the support frame (1), and a pressure head (3) is fixedly connected in the middle of the lower end of the hydraulic rod. 2. The hardness testing experiment device of an alloy material according to claim 1, characterized in that: the guide block (17) is a right-angled triangular structure, the lower end of the guide block (17) is a slope structure, and the A connecting wheel is rotatably connected to the inner wall of the lower end of the installation groove (11), and the lower end side wall of the guide block (17) abuts on the connecting wheel. 3. The hardness testing experimental device of a kind of alloy material according to claim 1, is characterized in that: described installation groove (11) is a cross-shaped structure, and the middle of described installation groove (11) is slidably connected with auxiliary plate ( 12), the lower end of the auxiliary plate (12) is inlaid with balls (18), the balls (18) abut on the upper end surface of the guide block (17), the upper end of the auxiliary plate (12) and the installation groove ( 11) A return spring (13) is fixedly connected between the inner walls. 4. The hardness testing experiment device of an alloy material according to claim 1, characterized in that: both ends of the testing table (2) are provided with guide grooves (5), and the adjusting plate (4) slides Connected to the guide groove (5). 5. The hardness testing experiment device of an alloy material according to claim 1, characterized in that: both ends of the connecting column (8) are slidably connected with a driving ring (15), and the driving ring (15) A drive column (16) is fixedly connected with the side end of the drive column (16), and the drive column (16) is slidably connected in the drive slot (14). 6. The hardness testing experimental device of a kind of alloy material according to claim 1 is characterized in that: both ends of the control board (7) are hingedly connected with control rods (10), and the two control rods ( 10) Symmetrically arranged, the top ends of the two control rods (10) are rotatably connected with connecting shafts, and the control rods (10) are rotatably connected with the driving ring (15) through the connecting shafts.

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