Fixing device for aluminum alloy thermal conductivity test rod

Abstract

The utility model relates to the technical field of aluminum alloy thermal conductivity tests, and discloses a fixing device of an aluminum alloy thermal conductivity test rod. Comprising a base and a barrel, the barrel is fixedly connected to the upper surface of the base, a movable seat is slidably arranged on the inner wall of the barrel, an experiment rod is arranged in the movable seat, a pull rod is fixedly connected to the side wall of the movable seat, a guide ring is arranged on the inner wall of the barrel, and the pull rod is slidably arranged on the inner wall of the guide ring. A handle is fixedly connected to the end, away from the movable base, of the pull rod, and a connecting block is fixedly connected to the side wall of the movable base. After the experiment rod extends into the movable seat, the rotating handle drives the screw rod to rotate along the inner wall of the threaded ring to push the connecting seat and the clamping plate to move, so that the clamping plate is arranged on the side wall of the experiment rod in a clamping manner, the experiment rod can be kept stable, and then the position of the movable seat can be adjusted by pulling the pull rod. And the depth of the experiment rod in the cylinder can be adjusted according to use requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy thermal conductivity test, in particular to a fixing device for an aluminum alloy thermal conductivity test rod. Background Art

[0002] The aluminum alloy thermal conductivity test is to evaluate the thermal conductivity of the aluminum alloy by measuring its ability to conduct heat at a specific temperature. The aluminum alloy thermal conductivity test rod is a test tool used to measure the thermal conductivity of aluminum alloy materials. It is usually a long rod made of aluminum alloy with a known thermal conductivity. In the experiment, the test rod is brought into contact with the aluminum alloy material to be tested. By measuring the temperature changes at both ends of the test rod, the thermal conductivity of the aluminum alloy material to be tested can be calculated.

[0003] Among them, the Chinese patent publication number is CN210548660U, which discloses a fixing device for an aluminum alloy thermal conductivity test rod, including a cylinder, a push rod and a clamping mechanism for the test rod; at least two planes parallel to each other and facing opposite directions are provided on the outer side wall of the cylinder;

[0004] In the prior art, after the aluminum alloy thermal conductivity test rod is fixed, it is not convenient to flexibly adjust the test rod according to the use requirements, which will affect the flexibility of the aluminum alloy thermal conductivity test rod and the convenience of subsequent experiments. Therefore, the utility model designs a fixing device for the aluminum alloy thermal conductivity test rod. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that after the aluminum alloy thermal conductivity test rod is fixed, it is not convenient to flexibly adjust the test rod body according to the use requirements, which affects the flexibility of use of the aluminum alloy thermal conductivity test rod and the convenience of subsequent experiments. A fixing device for the aluminum alloy thermal conductivity test rod is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A fixing device for an aluminum alloy thermal conductivity test rod comprises a base and a cylinder, wherein the cylinder is fixedly connected to the upper surface of the base, a movable seat is slidably provided on the inner wall of the cylinder, a test rod is provided inside the movable seat, a pull rod is fixedly connected to the side wall of the movable seat, a guide ring is provided on the inner wall of the cylinder, the pull rod is slidably arranged on the inner wall of the guide ring, a handle is fixedly connected to the end of the pull rod facing away from the movable seat, a connecting block is fixedly connected to the side wall of the movable seat, a strip opening is provided on the side wall of the cylinder, the connecting block is slidably arranged on the inner wall of the strip opening, and a clamping mechanism is provided inside the connecting block.

[0008] Preferably, the clamping mechanism includes a threaded ring, a screw, a connecting seat and a clamping plate, the inner wall of the connecting block is provided with a recess, the threaded ring is fixedly connected to the inner wall of the connecting block, the screw is threadedly connected to the inner wall of the threaded ring, the rod wall of the screw is rotatably connected to the inner wall of the connecting seat, and the end of the connecting seat facing away from the screw is fixedly connected to the clamping plate.

[0009] Preferably, an anti-skid pad is fixedly connected to the inner wall of the clamping plate, and the anti-skid pad is pressed against the side wall of the test rod, and a rotating handle is fixedly connected to one end of the screw rod away from the clamping plate.

[0010] Preferably, scale lines are provided on the rod wall of the pull rod.

[0011] Preferably, the end of the cylinder is fixedly connected to a fixed cylinder, the inner wall of the fixed cylinder is slidably provided with a slide plate, and the top end of the slide plate is fixedly connected to a limiting plug plate.

[0012] Preferably, a spring is fixedly connected to the inner wall of the fixing cylinder, and the top end of the spring is pressed against the bottom of the sliding plate.

[0013] Preferably, the bottom of the skateboard is rotatably connected to a rotating rod, the bottom of the fixed tube is provided with an opening, the rod wall of the rotating rod passes through the opening and extends to the outside of the fixed tube and is fixedly connected to a handle.

[0014] Preferably, a stopper is fixedly connected to the rod wall of the rotating rod, a sliding opening is provided on the inner wall of the opening of the fixing tube, and the stopper is slidably arranged on the inner wall of the sliding opening.

[0015] Preferably, the upper surface of the limit plug plate is provided with a plurality of limit teeth, the bottom end rod wall of the pull rod is provided with a limit tooth groove, and the limit plug plate is plugged and arranged on the inner wall of the pull rod located at the limit tooth groove.

[0016] Preferably, the fixing tube is provided with a rectangular opening matching with the limiting plug plate at one end relative to the pull rod.

[0017] Compared with the prior art, the utility model provides a fixing device for an aluminum alloy thermal conductivity test rod, which has the following beneficial effects:

[0018] 1. After extending the test rod to the inside of the movable seat, the turning handle drives the screw to rotate along the inner wall of the threaded ring to push the connecting seat and the clamp to move, so that the clamp is clamped on the side wall of the test rod, which can keep the test rod stable. Then, the position of the movable seat can be adjusted by pulling the pull rod, and the depth of the test rod inside the cylinder can be adjusted according to usage requirements.

[0019] 2. The spring inside the fixed cylinder can push the limit insertion plate to extend into the inside of the pull rod where it is located in the limit tooth groove, which can limit and fix the pull rod. During the experiment, the stability of the pull rod and the movable seat can be maintained, and the stability of the test rod can be improved.

[0020] 3. By pulling the handle, the rotating rod can be pulled to move, causing the spring to contract. Then, by rotating the rotating rod, the stopper can be pressed against the bottom of the fixed cylinder, enabling the limit insertion plate to stably contract into the inside of the fixed cylinder, which is convenient for adjusting the pull rod. Brief Description of the Drawings

[0021] Figure 1 It is a schematic structural diagram of the fixing device for the aluminum alloy thermal conductivity test rod proposed by the present utility model;

[0022] Figure 2 is Figure 1 a schematic enlarged view of the structure of part A in

[0023] Figure 3 is Figure 1 a schematic enlarged view of the structure of part B in

[0024] Figure 4 is Figure 3 a three-dimensional view of the structure of the fixed cylinder in

[0025] Figure 5 is Figure 3 a three-dimensional view of the structure of the limit insertion plate in

[0026] In the figure: 1 base, 2 cylinder body, 3 movable seat, 4 test rod, 5 pull rod, 6 guide ring, 7 handle, 8 connecting block, 9 threaded ring, 10 screw rod, 11 connecting seat, 12 clamping plate, 13 anti-slip pad, 14 rotating handle, 15 scale line, 16 fixed cylinder, 17 sliding plate, 18 limit insertion plate, 19 spring, 20 rotating rod, 21 handle, 22 stopper. Detailed Embodiment

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0028] Embodiment 1

[0029] Referring to Figures 1-5, A fixing device for an aluminum alloy thermal conductivity test rod, comprising a base 1 and a cylinder 2. The cylinder 2 is fixedly connected to the upper surface of the base 1. An activity seat 3 is slidably arranged on the inner wall of the cylinder 2. An experimental rod 4 is arranged inside the activity seat 3. A pull rod 5 is fixedly connected to the side wall of the activity seat 3. A guiding ring 6 is opened on the inner wall of the cylinder 2. The pull rod 5 is slidably arranged on the inner wall of the guiding ring 6. One end of the pull rod 5 away from the activity seat 3 is fixedly connected to a handle 7. A connecting block 8 is fixedly connected to the side wall of the activity seat 3. A strip-shaped opening is opened on the side wall of the cylinder 2. The connecting block 8 is slidably arranged on the inner wall of the strip-shaped opening.

[0030] A clamping mechanism is arranged inside the connecting block 8. The clamping mechanism comprises a threaded ring 9, a screw rod 10, a connecting seat 11 and a clamping plate 12. A notch is opened on the inner wall of the connecting block 8. The threaded ring 9 is fixedly connected to the inner wall of the connecting block 8. The screw rod 10 is threadedly connected to the inner wall of the threaded ring 9. The rod wall of the screw rod 10 is rotatably connected to the inner wall of the connecting seat 11. One end of the connecting seat 11 away from the screw rod 10 is fixedly connected to the clamping plate 12. An anti-slip pad 13 is fixedly connected to the inner wall of the clamping plate 12. The anti-slip pad 13 is pressed against the side wall of the experimental rod 4. A rotating handle 14 is fixedly connected to one end of the screw rod 10 away from the clamping plate 12. Scale lines 15 are arranged on the rod wall of the pull rod 5.

[0031] During use, after extending the experimental rod 4 into the activity seat 3, the rotating handle 14 can drive the screw rod 10 to rotate along the inner wall of the threaded ring 9 to push the connecting seat 11 and the clamping plate 12 to move, so that the clamping plate 12 clamps the side wall of the experimental rod 4, which can keep the experimental rod 4 stable. Then, pulling the pull rod 5 can adjust the position of the activity seat 3, and the depth of the experimental rod 4 inside the cylinder 2 can be adjusted according to the use requirements. The anti-slip pad 13 can prevent slipping. The sliding of the connecting block 8 along the inner wall of the strip-shaped opening can improve the stability of the movement of the activity seat 3. A plurality of limiting tooth teeth are arranged on the upper surface of the limiting insertion plate 18. A limiting tooth groove is opened on the bottom rod wall of the pull rod 5. The limiting insertion plate 18 is inserted into the inner wall of the pull rod 5 located in the limiting tooth groove.

[0032] Embodiment Two

[0033] Refer to Figures 1-5 , A fixed cylinder 16 is fixedly connected to the end of the cylinder 2. A sliding plate 17 is slidably arranged on the inner wall of the fixed cylinder 16. A limiting insertion plate 18 is fixedly connected to the top end of the sliding plate 17. A spring 19 is fixedly connected to the inner wall of the fixed cylinder 16. The top end of the spring 19 is pressed against the bottom of the sliding plate 17. A rotating rod 20 is rotatably connected to the bottom of the sliding plate 17. An opening is opened at the bottom of the fixed cylinder 16. The rod wall of the rotating rod 20 penetrates through the opening and extends to the outside of the fixed cylinder 16 and is fixedly connected to a handle 21.

[0034] The spring inside the fixed cylinder 16 can push the limit insertion plate 18 to extend into the inside of the pull rod 5 located in the limit tooth groove, so as to limit and fix the pull rod 5, maintain the stability of the pull rod 5 and the movable seat 3 during the experiment, and improve the stability of the test rod 4.

[0035] Embodiment III

[0036] Refer to Figures 1-5 , a stopper 22 is fixedly connected to the rod wall of the rotating rod 20. A sliding opening is provided in the inner wall of the fixed cylinder 16 at the opening. The stopper 22 is slidably arranged on the inner wall of the sliding opening. A rectangular opening matching the limit insertion plate 18 is provided at one end of the fixed cylinder 16 relative to the pull rod 5.

[0037] Pulling the handle 21 can pull the rotating rod 20 to move, causing the spring 18 to contract. Then rotating the rotating rod 20 can make the stopper 22 press against the bottom of the fixed cylinder 16, so that the limit insertion plate 18 can be stably contracted into the inside of the fixed cylinder 16, facilitating the adjustment of the pull rod 5.

Claims

1. Fixing device for aluminum alloy thermal conductivity test rod, comprising a base (1) and a cylinder body (2), characterized in that: The cylinder (2) is fixedly connected to the upper surface of the base (1); a movable seat (3) is slidably provided on the inner wall of the cylinder (2); a test rod (4) is provided inside the movable seat (3); a pull rod (5) is fixedly connected to the side wall of the movable seat (3); a guide ring (6) is provided on the inner wall of the cylinder (2); the pull rod (5) is slidably provided on the inner wall of the guide ring (6); a handle (7) is fixedly connected to the end of the pull rod (5) away from the movable seat (3); a connecting block (8) is fixedly connected to the side wall of the movable seat (3); a strip opening is provided on the side wall of the cylinder (2); the connecting block (8) is slidably provided on the inner wall of the strip opening; a clamping mechanism is provided inside the connecting block (8).

2. The fixing device for the aluminum alloy thermal conductivity test rod according to claim 1, characterized in that: The clamping mechanism comprises a threaded ring (9), a screw rod (10), a connecting seat (11) and a clamping plate (12); the inner wall of the connecting block (8) is provided with a notch; the threaded ring (9) is fixedly connected to the inner wall of the connecting block (8); the screw rod (10) is threadedly connected to the inner wall of the threaded ring (9); the rod wall of the screw rod (10) is rotatably connected to the inner wall of the connecting seat (11); and the end of the connecting seat (11) facing away from the screw rod (10) is fixedly connected to the clamping plate (12).

3. The fixing device for the aluminum alloy thermal conductivity test rod according to claim 2, characterized in that: The inner wall of the clamping plate (12) is fixedly connected with an anti-skid pad (13), and the anti-skid pad (13) is tightly arranged on the side wall of the test rod (4). The end of the screw rod (10) facing away from the clamping plate (12) is fixedly connected with a rotating handle (14).

4. The fixing device for the aluminum alloy thermal conductivity test rod according to claim 1, characterized in that: The rod wall of the pull rod (5) is provided with scale lines (15).

5. The fixing device for the aluminum alloy thermal conductivity test rod according to claim 1, characterized in that: The end of the cylinder (2) is fixedly connected to a fixed cylinder (16), the inner wall of the fixed cylinder (16) is slidably provided with a slide plate (17), and the top end of the slide plate (17) is fixedly connected to a limiting plug plate (18).

6. The fixing device for the aluminum alloy thermal conductivity test rod according to claim 5, characterized in that: A spring (19) is fixedly connected to the inner wall of the fixed cylinder (16), and the top end of the spring (19) is pressed against the bottom of the slide plate (17).

7. The fixing device for the aluminum alloy thermal conductivity test rod according to claim 5, wherein: The bottom of the slide plate (17) is rotatably connected to a rotating rod (20), the bottom of the fixed cylinder (16) is provided with an opening, the rod wall of the rotating rod (20) passes through the opening and extends to the outside of the fixed cylinder (16) and is fixedly connected to a handle (21).

8. The fixing device for the aluminum alloy thermal conductivity test rod according to claim 7, characterized in that: A stopper (22) is fixedly connected to the rod wall of the rotating rod (20), a sliding opening is provided on the inner wall of the opening of the fixing cylinder (16), and the stopper (22) is slidably arranged on the inner wall of the sliding opening.

9. The fixing device for the aluminum alloy thermal conductivity test rod according to claim 5, characterized in that: The upper surface of the limit plug plate (18) is provided with a plurality of limit teeth, the bottom rod wall of the pull rod (5) is provided with a limit tooth groove, and the limit plug plate (18) is plugged into the inner wall of the pull rod (5) located at the limit tooth groove.

10. The fixing device for the aluminum alloy thermal conductivity test rod according to claim 5, characterized in that: The fixing tube (16) is provided with a rectangular opening matching with the limiting plug plate (18) at one end relative to the pull rod (5).

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