Intelligent gap adjusting device for eddy current sensor

Abstract

The utility model relates to the technical field of eddy current sensor gap adjustment, in particular to an eddy current sensor gap intelligent adjusting device which comprises an eddy current sensor body, a supporting rod is fixedly connected to the top of the eddy current sensor body, and a fixing cylinder is fixedly connected to the top end of the supporting rod. A fixing rod is arranged on the inner side of the fixing cylinder, and a first guide plate is fixedly connected to the outer side of the fixing rod. According to the utility model, the electric telescopic rod is used for adjusting the gap between the fixed rod and the detected object and the gap between the probe and the detected object, and the fixed rod, the first guide plate, the second guide plate, the rotating ring, the bump, the positioning rod, the first circular plate, the winding rod and the second circular plate are matched for use, so that when the probe is close to the detected object, the wire is unwound, and when the probe is far away from the detected object, the wire is unwound. And the wire is wound, so that the wire is in a tensioned state, and the situation that part of the wire is randomly placed outside and is mutually wound due to shaking is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of eddy current sensor gap adjustment, and particularly relates to an intelligent eddy current sensor gap adjustment device. Background Art

[0002] During the stability test of a hydropower unit, sensors such as vibration and eddy current sensors need to be arranged on the hydropower unit. When installing the eddy current sensor, it is necessary to adjust the distance (gap) between the probe of the sensor and the measured object, find the initial zero position, ensure that the output signal of the sensor is within the working range during the entire measurement process, and prevent the signal from exceeding the measurement range, which may affect the experimental results.

[0003] Regarding the above related technologies, the inventor believes that when adjusting the position of the probe of the existing eddy current sensor, the wires connected to the probe will be randomly placed outside. When the probe continuously adjusts the gap with the measured object, the wires will be pulled and shaken, and the wires will be entangled with each other, which affects the later storage of the eddy current sensor. Therefore, the utility model provides an intelligent eddy current sensor gap adjustment device. Summary of the Utility Model

[0004] The purpose of this application is to provide an intelligent eddy current sensor gap adjustment device to solve the problem that when the probe continuously adjusts the gap with the measured object, the wires will be pulled and shaken, and the wires will be entangled with each other, which affects the later storage of the eddy current sensor as mentioned in the above background art.

[0005] To achieve the above purpose, this application provides the following technical solution: An intelligent eddy current sensor gap adjustment device includes an eddy current sensor body. A support rod is fixedly connected to the top of the eddy current sensor body. A fixed cylinder is fixedly connected to the top end of the support rod. A fixed rod is arranged inside the fixed cylinder. A first guide plate is fixedly connected to the outer side of the fixed rod. A second guide plate is fixedly connected to the outer side of the fixed rod. Both the first guide plate and the second guide plate are arranged in a threaded shape. A rotating ring is rotatably connected to the inner side surface of the fixed cylinder. A convex block adapted to the first guide plate and the second guide plate is fixedly connected to the inner side surface of the rotating ring. A wire is fixedly connected to the output end of the eddy current sensor body. A probe connected to the wire is installed at one end of the fixed rod. A wire groove adapted to the wire is formed inside the fixed cylinder. A wire winding assembly is arranged on the side surface of the fixed rod.

[0006] Preferably, the wire winding assembly includes a plurality of positioning rods fixedly connected to the side surface of the rotating ring. A first circular plate is fixedly connected to the end of the positioning rod away from the rotating ring. A wire winding rod is fixedly connected to the side surface of the first circular plate. A second circular plate is fixedly connected to the end of the wire winding rod away from the first circular plate.

[0007] Preferably, a fixing frame is fixedly connected to the outside of the eddy current sensor body. A guiding rod is fixedly connected to the inner wall of the fixing frame. A slot hole adapted to the guiding rod is formed in the inner side of the winding rod, and the guiding rod penetrates through the fixing rod.

[0008] Preferably, a connecting rod is fixedly connected to the outside of the fixing frame, and a limiting ring is fixedly connected to the outside of the connecting rod. The wire penetrates through the limiting ring.

[0009] Preferably, the first circular plate is slidably connected to the inner side surface of the fixing cylinder, and the fixing rod is slidably connected to the guiding rod.

[0010] Preferably, a positioning block is fixedly connected to the top of the eddy current sensor body, and an electric telescopic rod is fixedly connected to the side surface of the positioning block.

[0011] Preferably, a push rod is fixedly connected to the output end of the electric telescopic rod, a fixing block is fixedly connected to the top end of the push rod, and the fixing block is fixedly connected to the outside of the fixing rod.

[0012] In summary, the technical effects and advantages of the present utility model are as follows:

[0013] 1. In the present utility model, the gap between the fixing rod and the probe and the object to be measured is adjusted by the electric telescopic rod. Through the cooperation of the fixing rod, the first guiding plate, the second guiding plate, the rotating ring, the convex block, the positioning rod, the first circular plate, the winding rod, and the second circular plate, when the probe approaches the object to be measured, the wire is paid out, and when the probe moves away from the object to be measured, the wire is wound up, so that the wire is in a tensioned state, and it is impossible for some wires to be randomly placed outside and get entangled with each other due to shaking.

[0014] 2. In the present utility model, the guiding rod penetrates through the winding rod and the fixing rod, playing a guiding and limiting role for the winding rod and the fixing rod, so as to prevent the winding rod and the fixing rod from deviating during the movement process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 is the first perspective axonometric structure schematic diagram of the present utility model;

[0017] Figure 2 is the second perspective axonometric structure schematic diagram of the present utility model;

[0018] Figure 3 It is a schematic structural diagram of the rotating ring and the convex block in the present utility model;

[0019] Figure 4 It is a schematic structural diagram of the first circular plate and the positioning rod in the present utility model.

[0020] In the figure: 1. Eddy current sensor body; 2. Support rod; 3. Fixed cylinder; 4. Fixed frame; 5. Connecting rod; 6. Limit ring; 7. Guide rod; 8. First circular plate; 9. Winding rod; 10. Lead wire; 11. First guide plate; 12. Second guide plate; 13. Probe; 14. Fixed block; 15. Positioning block; 16. Electric telescopic rod; 17. Push rod; 18. Positioning rod; 19. Slot hole; 20. Wire groove; 21. Fixed rod; 22. Rotating ring; 23. Convex block; 24. Second circular plate. Specific embodiments

[0021] 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 the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] In the description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, the terms "installation", "provided with", "sleeved / connected", "connection", etc. shall be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0023] Embodiment 1: Refer to Figures 1-4An intelligent eddy current sensor gap adjustment device shown in the figure includes an eddy current sensor body 1. A support rod 2 is fixedly connected to the top of the eddy current sensor body 1. The top end of the support rod 2 is fixedly connected to a fixed cylinder 3. A fixed rod 21 is arranged inside the fixed cylinder 3. A first guide plate 11 is fixedly connected to the outer side of the fixed rod 21. A second guide plate 12 is fixedly connected to the outer side of the fixed rod 21. Both the first guide plate 11 and the second guide plate 12 are arranged in a threaded shape. A rotating ring 22 is rotatably connected to the inner wall side of the fixed cylinder 3. A convex block 23 adapted to the first guide plate 11 and the second guide plate 12 is fixedly connected to the inner wall side of the rotating ring 22. The output end of the eddy current sensor body 1 is fixedly connected to a wire 10. A probe 13 connected to the wire 10 is installed at one end of the fixed rod 21. A wire groove 20 adapted to the wire 10 is opened inside the fixed cylinder 3. A wire winding assembly is arranged on the side of the fixed rod 21, which is convenient for winding and unwinding the wire 10 when adjusting the position of the probe 13, so that the wire 10 remains in a relatively taut state and avoids the situation that the wire 10 is randomly placed outside. The wire winding assembly includes a plurality of positioning rods 18 fixedly connected to the side of the rotating ring 22. One end of the positioning rod 18 away from the rotating ring 22 is fixedly connected to a first circular plate 8. A winding rod 9 is fixedly connected to the side of the first circular plate 8. One end of the winding rod 9 away from the first circular plate 8 is fixedly connected to a second circular plate 24. The rotating ring 22 drives the positioning rod 18, the first circular plate 8, the winding rod 9 and the second circular plate 24 to move. A fixed frame 4 is fixedly connected to the outside of the eddy current sensor body 1. A guide rod 7 is fixedly connected to the inner wall of the fixed frame 4. A slot hole 19 adapted to the guide rod 7 is opened inside the winding rod 9. The guide rod 7 passes through the fixed rod 21 to limit the fixed rod 21 by the guide rod 7, and the fixed rod 21 slides along the guide rod 7. A connecting rod 5 is fixedly connected to the outside of the fixed frame 4. A limiting ring 6 is fixedly connected to the outside of the connecting rod 5. The wire 10 passes through the limiting ring 6, and the limiting ring 6 guides the wire 10. The first circular plate 8 is slidably connected to the inner wall side of the fixed cylinder 3. The fixed rod 21 is slidably connected to the guide rod 7, and the guide rod 7 guides and limits the winding rod 9.

[0024] In this embodiment, the push rod 17 drives the fixed block 14, the fixed rod 21 and the probe 13 to move away from the fixed frame 4. The first guide plate 11 and the second guide plate 12 guide the convex block 23, so that the convex block 23 and the rotating ring 22 rotate counterclockwise. The rotating ring 22 drives the first circular plate 8, the winding rod 9 and the second circular plate 24 to rotate through the positioning rod 18, and pays out the wire 10. Control the electric telescopic rod 16 to contract. Through the cooperation of the first guide plate 11, the second guide plate 12, the convex block 23 and the rotating ring 22, the winding rod 9 winds the wire 10, adjusts the distance between the probe 13 and the object to be measured. While not affecting the connection between the wire 10 and the probe 13, the wire 10 can always be kept in a tensioned state, avoiding that part of the wire 10 is randomly placed outside when the probe 13 adjusts the distance.

[0025] Embodiment 2: Refer to Figures 1-4 , based on the same concept as the above-mentioned Embodiment 1, this embodiment also proposes that a positioning block 15 is fixedly connected to the top of the eddy current sensor body 1, and an electric telescopic rod 16 is fixedly connected to the side of the positioning block 15; the output end of the electric telescopic rod 16 is fixedly connected to a push rod 17, and the top of the push rod 17 is fixedly connected to a fixed block 14, and the fixed block 14 is fixedly connected to the outside of the fixed rod 21, so that the movements of the push rod 17, the fixed block 14 and the fixed rod 21 are kept consistent.

[0026] In this embodiment, the eddy current sensor body 1 is placed in a suitable position, and the electric telescopic rod 16 is controlled to extend, and the fixed rod 21 is driven to move through the push rod 17 and the fixed block 14, so as to realize the adjustment of the position of the probe 13.

[0027] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An eddy current sensor gap intelligent adjustment device, comprising an eddy current sensor body (1), characterized in that: The top of the eddy current sensor body (1) is fixedly connected to a support rod (2), the top of the support rod (2) is fixedly connected to a fixing tube (3), the inner side of the fixing tube (3) is provided with a fixing rod (21), the outer side of the fixing rod (21) is fixedly connected to a first guide plate (11), the outer side of the fixing rod (21) is fixedly connected to a second guide plate (12), the first guide plate (11) and the second guide plate (12) are both arranged in a threaded shape, and the inner wall side of the fixing tube (3) is rotatably connected to a rotating shaft. A rotating ring (22), the inner wall side of the rotating ring (22) is fixedly connected with a protrusion (23) adapted to the first guide plate (11) and the second guide plate (12), the output end of the eddy current sensor body (1) is fixedly connected with a wire (10), one end of the fixed rod (21) is installed with a probe (13) connected to the wire (10), the inner side of the fixed cylinder (3) is provided with a wire groove (20) adapted to the wire (10), and the side of the fixed rod (21) is provided with a wire collection assembly.

2. The eddy current sensor gap intelligent adjustment device according to claim 1, characterized in that: The wire taking-up assembly comprises a plurality of positioning rods (18) fixedly connected to the side of the rotating ring (22); one end of the positioning rod (18) away from the rotating ring (22) is fixedly connected to a first circular plate (8); a side of the first circular plate (8) is fixedly connected to a winding rod (9); and one end of the winding rod (9) away from the first circular plate (8) is fixedly connected to a second circular plate (24).

3. The eddy current sensor gap intelligent adjustment device according to claim 2, characterized in that: A fixing frame (4) is fixedly connected to the outer side of the eddy current sensor body (1), a guide rod (7) is fixedly connected to the inner wall of the fixing frame (4), a slot (19) matching the guide rod (7) is provided on the inner side of the winding rod (9), and the fixing rod (21) is passed through the guide rod (7).

4. The eddy current sensor gap intelligent adjustment device according to claim 3, characterized in that: The outer side of the fixing frame (4) is fixedly connected to a connecting rod (5), the outer side of the connecting rod (5) is fixedly connected to a limiting ring (6), and the conducting wire (10) passes through the limiting ring (6).

5. The eddy current sensor gap intelligent adjustment device according to claim 4, characterized in that: The first circular plate (8) is slidably connected to the inner wall side of the fixed cylinder (3), and the fixed rod (21) is slidably connected to the guide rod (7).

6. The eddy current sensor gap intelligent adjustment device according to claim 1, characterized in that: A positioning block (15) is fixedly connected to the top of the eddy current sensor body (1), and an electric telescopic rod (16) is fixedly connected to the side of the positioning block (15).

7. The eddy current sensor gap intelligent adjustment device according to claim 6, characterized in that: The output end of the electric telescopic rod (16) is fixedly connected to a push rod (17), the top end of the push rod (17) is fixedly connected to a fixed block (14), and the fixed block (14) is fixedly connected to the outer side of the fixed rod (21).

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