Ultralow-resistivity iron-chromium-aluminum electrothermal alloy material testing device

Abstract

The utility model discloses an ultra-low resistivity iron-chromium-aluminum electrothermal alloy material testing device, which relates to the technical field of iron-chromium-aluminum electrothermal alloy material testing, and comprises a base, the top end of the base is fixedly connected with a frame, the outer side of the frame is fixedly connected with a control panel, the top end of the inner wall of the frame is fixedly connected with a first clamp, and the top end of the inner wall of the frame is fixedly connected with a second clamp. The inner wall of the frame is slidably connected with a second clamp, the protection mechanism comprises a mounting plate arranged at the bottom end of the second clamp, one end of the rotating shaft is fixedly connected with a protection plate, and the other end of the rotating shaft is fixedly connected with a rotating assembly used for enabling the rotating shaft to turn over; the collecting and releasing mechanism is arranged in the base, and the collecting and releasing mechanism is used for storing experimental materials. The iron-chromium-aluminum electrothermal alloy material testing device disclosed by the utility model has the effect of preventing the material from being sputtered due to breakage in an experiment process and hurting workers.

Description

Technical Field

[0001] The utility model relates to the technical field of tests on Fe-Cr-Al electrothermal alloy materials, in particular to a test device for ultra-low resistivity Fe-Cr-Al electrothermal alloy materials. Background Art

[0002] For the vacuum low-temperature freeze-drying of high-resistivity Fe-Cr-Al electrothermal alloy powder, put the alloy component powder to be dehydrated into a vacuum freeze dryer, set the vacuum degree to 15 Pa, pre-freeze at -20 °C for 1 h first, then freeze at -45 °C for 0.5 h, then carry out moisture sublimation at -5 °C. When the moisture content is lower than 0.5%, the sublimation ends, and the alloy powder is packaged. The ultra-low resistivity Fe-Cr-Al electrothermal alloy component powder after vacuum low-temperature drying is proportioned according to the proportions described in Examples 1-9 in Table 1. For the bottom-blowing rare earth element dispersion strengthening technology of the electrothermal alloy melting furnace, make the proportioned ultra-low resistivity Fe-Cr-Al electrothermal alloy powder into fine powder. The particle size of the electrothermal alloy powder is 300 mesh. Using Ar as the carrier and a conventional injection system, the Fe-Cr-Al electrothermal alloy powder is pressed to the porous brick at the bottom of a vacuum induction melting furnace through high pressure and sprayed into the melting furnace for vacuum induction melting. The powder flow rate is 5 Kg / h, and no bubbles escape from the surface of the molten steel. Heat up to 1620-1650 °C, and the smelting is transferred to refining, electroslag refining. Carry out electroslag refining on the ingot obtained in step (3). The temperature during the refining period is controlled at 1600 °C - 1620 °C, the vacuum degree is 5×1.33 Pa, and it is maintained for 15-20 min to make no oxide film appear on the surface of the molten steel.

[0003] During the experiment on Fe-Cr-Al electrothermal alloy materials with the existing test device, when the Fe-Cr-Al electrothermal alloy material is unqualified, it is easy to break and fragment during the stretching process, and the generated residues are easy to splash, which is easy to cause harm to the staff and has potential safety hazards. Summary of the Utility Model

[0004] The utility model discloses a test device for ultra-low resistivity Fe-Cr-Al electrothermal alloy materials, aiming to solve the technical problem that during the experiment on Fe-Cr-Al electrothermal alloy materials with the existing test device, when the Fe-Cr-Al electrothermal alloy material is unqualified, it is easy to break and fragment during the stretching process, and the generated residues are easy to splash, which is easy to cause harm to the staff and has potential safety hazards.

[0005] To achieve the above object, the utility model adopts the following technical solutions:

[0006] Ultra-low resistivity FeCrAl electrothermal alloy material test device, including a base, the top of the base is fixedly connected with a frame, the outside of the frame is fixedly connected with a control panel, the top end of the inner wall of the frame is fixedly connected with a first clamp, the inner wall of the frame is slidably connected with a second clamp, and further includes a protection mechanism: The protection mechanism includes a mounting plate arranged at the bottom end of the second clamp, the bottom end of the mounting plate is fixedly connected with a hydraulic cylinder, and driving components for providing protection are fixedly connected to both ends of the mounting plate. Mounting boxes are fixedly connected to both sides of the outer wall of the frame, a rotating shaft is rotatably connected to the outer wall of the mounting box, one end of the rotating shaft is fixedly connected with a protection plate, and the other end of the rotating shaft is fixedly connected with a rotating component for flipping the rotating shaft; a retracting and releasing mechanism: The retracting and releasing mechanism is arranged inside the base, and the retracting and releasing mechanism is used for storing experimental materials.

[0007] By setting the protection mechanism, it is convenient for the staff to connect both ends of the material to the first clamp and the second clamp. By starting the control panel to work and driving the hydraulic cylinder to descend, the hydraulic cylinder can drive the mounting plate fixedly connected to the top to descend, and the mounting plate can drive the rotating shaft to rotate while sliding, so that the protection plate fixedly connected to one end rotates while the rotating shaft rotates, forming a protection at the front end of the frame.

[0008] In a preferred solution, the retracting and releasing mechanism includes a placement frame arranged inside the base, a limiting plate is fixedly connected to the center of the inside of the base, a limiting component for limiting the placement frame is fixedly connected to one side of the rear end of the placement frame, a sliding groove is opened at the front end of the base, and a spring block is slidably connected inside the sliding groove.

[0009] By setting the retracting and releasing mechanism, the staff can slide the spring block slidably connected inside the sliding groove, so that the spring block can release the limiting connection formed by the placement frame and the limiting plate while sliding, and thus the two placement frames can be pulled outwards from the inside of the base to store the remaining materials.

[0010] In a preferred solution, the limiting component includes a spring buckle arranged on one side of the rear end of the placement frame, a limiting hole is opened on one side of the limiting plate, and the size of the limiting hole is adapted to the size of the spring buckle.

[0011] By setting the limiting component, the placement frame and the limiting plate can be limitedly connected.

[0012] In a preferred solution, the driving component includes sliders arranged at both ends of the mounting plate, and a toothed block is arranged on one side of the slider.

[0013] By setting the driving component, the mounting plate can drive the protection plate to flip while ascending and descending.

[0014] In a preferred embodiment, the rotating assembly includes a rotating gear disposed at the other end of the rotating shaft, and the rotating gear is meshed with the slider.

[0015] By providing the rotating assembly, the slider can drive the rotating gear to rotate while sliding.

[0016] The test device for ultra-low resistivity FeCrAl electrothermal alloy material disclosed by the present utility model has the following beneficial effects.

[0017] First, by providing a protection mechanism, it is convenient for the staff to connect the two ends of the material to the first fixture and the second fixture. By starting the control panel to drive the hydraulic cylinder to descend, the hydraulic cylinder can drive the mounting plate fixedly connected to the top to descend. While the mounting plate slides, it can drive the rotating shaft to rotate, so that the rotating shaft drives the protection plate fixedly connected to one end to flip, forming a protection at the front end of the frame, which can prevent the material from breaking and splashing during the experiment and causing harm to the staff.

[0018] Second, by providing a winding and unwinding mechanism, the staff can slide the spring block slidably connected inside the chute, so that while the spring block slides, the limiting connection formed by the placement frame and the limiting plate can be released, and thus the two groups of placement frames can be pulled outwards from the inside of the base, and the remaining materials can be stored, providing a storage space for the materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an axonometric view of the test device for ultra-low resistivity FeCrAl electrothermal alloy material proposed by the present utility model.

[0020] Figure 2 It is a side sectional view of the test device for ultra-low resistivity FeCrAl electrothermal alloy material proposed by the present utility model.

[0021] Figure 3 It is another axonometric view of the test device for ultra-low resistivity FeCrAl electrothermal alloy material proposed by the present utility model.

[0022] Figure 4 It is a rear sectional view of the test device for ultra-low resistivity FeCrAl electrothermal alloy material proposed by the present utility model.

[0023] In the drawings: 1, base; 2, frame; 3, first fixture; 4, second fixture; 5, mounting plate; 6, hydraulic cylinder; 7, control panel; 8, protection plate; 9, mounting box; 10, rotating shaft; 11, chute; 12, spring block; 13, placement frame; 14, rotating gear; 15, spring buckle; 16, limiting plate; 17, slider. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0025] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0026] The test device for ultra-low resistivity FeCrAl electrothermal alloy material disclosed in the present invention is mainly applied to the scenario where in the process of experimenting on FeCrAl electrothermal alloy material with an existing test device, when the FeCrAl electrothermal alloy material is unqualified, it is easy to break and fragment during the stretching process, and the generated residues are easy to splash.

[0027] Refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The test device for ultra-low resistivity FeCrAl electrothermal alloy material includes a base 1. A frame 2 is fixedly connected to the top end of the base 1. A control panel 7 is fixedly connected to the outer side of the frame 2. A first clamp 3 is fixedly connected to the inner wall top end of the frame 2. A second clamp 4 is slidably connected to the inner wall of the frame 2. It further includes a protection mechanism: The protection mechanism includes a mounting plate 5 arranged at the bottom end of the second clamp 4. A hydraulic cylinder 6 is fixedly connected to the bottom end of the mounting plate 5. Driving components for providing protection are fixedly connected to both ends of the mounting plate 5. Mounting boxes 9 are fixedly connected to both sides of the outer wall of the frame 2. A rotating shaft 10 is rotatably connected to the outer wall of the mounting box 9. A protection plate 8 is fixedly connected to one end of the rotating shaft 10. A rotating component for flipping the rotating shaft 10 is fixedly connected to the other end of the rotating shaft 10; A winding and unwinding mechanism: The winding and unwinding mechanism is arranged inside the base 1 and is used for storing experimental materials.

[0028] In this solution, when conducting experiments on alloy materials, the staff can conveniently connect both ends of the materials to the first fixture 3 and the second fixture 4. By starting the operation of the control panel 7 to drive the hydraulic cylinder 6 to descend, the hydraulic cylinder 6 can drive the mounting plate 5 fixedly connected to its top to descend. Since both sides of the mounting plate 5 are fixedly connected with drive components, when the mounting plate 5 slides, the drive components can be meshed with the rotating components, thereby driving the rotating shaft 10 fixedly connected to one end to rotate. When the rotating shaft 10 rotates, it drives the protective plate 8 fixedly connected to one end to flip, forming a protection at the front end of the frame 2. Meanwhile, by setting up a storage and retrieval mechanism, the remaining materials can be stored, providing a storage space for the materials.

[0029] Among them, referring to Figure 2 and Figure 3 , in a preferred embodiment, the storage and retrieval mechanism includes a placement frame 13 arranged inside the base 1. A limiting plate 16 is fixedly connected to the center inside the base 1. One side of the rear end of the placement frame 13 is fixedly connected with a limiting component for limiting the placement frame 13. A sliding groove 11 is opened at the front end of the base 1, and a spring block 12 is slidably connected inside the sliding groove 11.

[0030] In this solution, by setting up the storage and retrieval mechanism, the staff can slide the spring block 12 slidably connected inside the sliding groove 11. When the spring block 12 slides, the limiting connection formed between the placement frame 13 and the limiting plate 16 can be released, so that the two placement frames 13 can be pulled outwards from inside the base 1, and the remaining materials can be stored.

[0031] Furthermore, referring to Figure 2 and Figure 3 , in a preferred embodiment, the limiting component includes a spring buckle 15 arranged on one side of the rear end of the placement frame 13. A limiting hole is opened on one side of the limiting plate 16, and the size of the limiting hole is adapted to the size of the spring buckle 15. By setting up the limiting component, the placement frame 13 and the limiting plate 16 can be limitedly connected.

[0032] Among them, referring to Figure 1 and Figure 4 , in a preferred embodiment, the drive component includes sliders 17 arranged at both ends of the mounting plate 5. A toothed block is arranged on one side of the slider 17. By setting up the drive component, when the mounting plate 5 moves up and down, it can drive the protective plate 8 to flip.

[0033] Furthermore, referring to Figure 2 and Figure 4, in a preferred embodiment, the rotating assembly includes a rotating gear 14 provided at the other end of the rotating shaft 10. The rotating gear 14 and the slider 17 are in meshing connection. By providing the rotating assembly, the slider 17 can drive the rotating gear 14 to rotate while sliding.

[0034] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. The substitution can be the substitution of part of the structure, device, and method steps, or the substitution of the complete technical solution. Any equivalent substitution or change made according to the technical solution of the present invention and its inventive concept should be covered within the protection scope of the present invention.

Claims

1. An ultra-low resistivity iron-chromium-aluminum electric heating alloy material testing device, comprising a base (1), a frame (2) fixedly connected to the top of the base (1), a control panel (7) fixedly connected to the outside of the frame (2), a first clamp (3) fixedly connected to the top of the inner wall of the frame (2), and a second clamp (4) slidably connected to the inner wall of the frame (2), characterized in that: Also includes: Protection mechanism: the protection mechanism comprises a mounting plate (5) arranged at the bottom end of the second clamp (4), the bottom end of the mounting plate (5) is fixedly connected to a hydraulic cylinder (6), both ends of the mounting plate (5) are fixedly connected to a driving assembly for providing protection, both sides of the outer wall of the frame (2) are fixedly connected to mounting boxes (9), the outer wall of the mounting box (9) is rotatably connected to a rotating shaft (10), one end of the rotating shaft (10) is fixedly connected to a protection plate (8), and the other end of the rotating shaft (10) is fixedly connected to a rotating assembly for turning the rotating shaft (10); Retractable mechanism: the retractable mechanism is arranged inside the base (1), and is used to store experimental materials.

2. The ultra-low resistivity Fe-Cr-Al electric heating alloy material testing device according to claim 1 is characterized in that: The retractable mechanism comprises a placement frame (13) arranged inside the base (1), a limiting plate (16) is fixedly connected to the center of the base (1), a limiting component for limiting the placement frame (13) is fixedly connected to one side of the rear end of the placement frame (13), a sliding groove (11) is provided at the front end of the base (1), and a spring block (12) is slidably connected inside the sliding groove (11).

3. The ultra-low resistivity Fe-Cr-Al electric heating alloy material testing device according to claim 2 is characterized in that: The limiting assembly comprises a spring buckle (15) arranged on one side of the rear end of the placement frame (13); a limiting hole is provided on one side of the limiting plate (16); the size of the limiting hole matches the size of the spring buckle (15).

4. The ultra-low resistivity Fe-Cr-Al electric heating alloy material testing device according to claim 2, characterized in that: The limiting hole and the sliding groove (11) penetrate each other, and the spring block (12) and the limiting hole are arranged on the same horizontal plane.

5. The ultra-low resistivity Fe-Cr-Al electric heating alloy material testing device according to claim 1, characterized in that: The driving assembly comprises sliding blocks (17) arranged at both ends of the mounting plate (5), and a tooth block is arranged on one side of the sliding block (17).

6. The ultra-low resistivity Fe-Cr-Al electric heating alloy material testing device according to claim 5, characterized in that: The rotating assembly comprises a rotating gear (14) arranged at the other end of the rotating shaft (10), and the rotating gear (14) and the sliding block (17) are in meshing connection.

7. The ultra-low resistivity Fe-Cr-Al electric heating alloy material testing device according to claim 1, characterized in that: The installation box (9) and the frame (2) penetrate each other.

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