CN220206729U

CN220206729U - Eddy current sensor measuring device

Info

Publication number: CN220206729U
Application number: CN202321447777.3U
Authority: CN
Inventors: 吴磊; 刘俊; 陶宇杰; 张恒镭; 刘桂兴
Original assignee: Jiangsu Lihe I&c Technology Co ltd
Current assignee: Jiangsu Lihe I&c Technology Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-12-19
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses an eddy current sensor measuring device which comprises a workbench, wherein a first electric push rod is fixedly arranged in the middle of the inner side of the workbench, a detection object capable of moving along with the expansion and contraction of the first electric push rod is arranged at the movable end of the first electric push rod, upright posts are fixedly arranged on the periphery of the surface of the upper end of the workbench, a clamping mechanism for clamping a sensor probe is fixedly arranged at the upper end of each upright post, the clamping mechanism comprises a fixed shell, sliding grooves, sliding blocks and clamping blocks, the upper end of each upright post is fixedly provided with a shell, and a plurality of sliding grooves are uniformly formed in four corners of the surface of the outer side of the shell. The utility model has good use effect, the sensor probe is fixed by the clamping mechanism, and the centering can be automatically realized, so that the center position of the sensor can be ensured to be concentric with the center position of the detection object, and the testing effect of the device can be improved.

Description

Eddy current sensor measuring device

Technical Field

The utility model relates to the technical field of measuring devices, in particular to a measuring device of an eddy current sensor.

Background

An eddy current sensor is a non-contact sensor that uses the eddy current effect to measure physical properties and defects of a metal or conductor surface. The electric vortex sensor is mainly characterized in that the electric vortex sensor can directly detect the metal surface and the conductor material without mechanical contact, thereby ensuring that the raw materials are not damaged.

The detection principle is that an eddy current sensor is usually composed of a transmitter and a receiver. The transmitter generates an alternating electric or magnetic field of a specific frequency, thereby generating eddy currents in the object under test. The receiver measures the field strength or response voltage caused by the eddy current, so as to determine the strength and direction of the changing field in the measured object, and judge the quality of the measured material.

In the prior art, when the eddy current sensor performs self-checking, the quality of the eddy current sensor is judged by a method of controlling variables, for example, if the distance between the eddy current sensor and a detected object is continuously increased or decreased, whether the measured value changes along a linear direction is observed, which is known specifically according to a measuring device for the eddy current sensor in the chinese patent with application No. 202222442354.4, but for the eddy current sensor, the eddy current sensor is usually required to be aligned with a detected object so as to perform the measurement correctly, because the eddy current sensor has certain requirements on parameters such as the surface shape and the size of the detected object, if the eddy current sensor is not aligned correctly, a measuring error may be caused or an effective measurement cannot be performed, and if the eddy current sensor measures the piston position of an automobile (the eddy current sensor is the eddy current displacement sensor here), the probe center line should be at the same position as the piston center.

Disclosure of Invention

The present utility model is directed to an eddy current sensor measuring device, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric vortex sensor measuring device, includes the workstation, the inboard middle part of workstation is fixed to be provided with first electric putter, first electric putter's expansion end is provided with the detection article that can stretch out and draw back along with first electric putter, thereby first electric putter can stretch out and draw back or shorten and to drive the detection article and reciprocate, and detect the reciprocating of article and just can be used for imitating the reciprocating of piston in the engine cylinder, thereby can detect whether electric vortex sensor can correctly detect the position of detecting the article, the workstation upper end surface all is fixed all around is provided with the stand, stand upper end is fixed to be provided with the fixture that is used for centre gripping sensor probe, fixture includes fixed casing, spout, slider, grip block, the fixed casing that is provided with in stand upper end, a plurality of spouts have evenly been seted up in casing outside surface four corners department, slider activity block sets up inside the spout, grip block fixed mounting is in the slider outside surface, and the grip block can conveniently slide left and right along the spout inside the spout, fixed casing lower extreme surface drives a plurality of tight transmission mechanisms simultaneously.

Preferably, the transmission mechanism comprises a second electric push rod, a movable ring, a first extrusion block and a second extrusion block, the lower end of the fixed shell is fixedly provided with the second electric push rod, the movable end of the second electric push rod is fixedly provided with the movable ring, the number of the first extrusion blocks is multiple, the number of the first extrusion blocks is consistent with that of the sliding blocks, the first extrusion blocks are fixedly arranged on the outer side surface of the movable ring and can move along with the expansion and contraction of the second electric push rod, and the outer side surfaces of the sliding blocks are fixedly provided with the second extrusion blocks; the plurality of clamping blocks can be driven to be simultaneously tightened through the transmission mechanism.

Preferably, the outer side surfaces of the first extrusion block and the second extrusion block are mutually attached, and the second extrusion block is extruded through the first extrusion block, so that the sliding block can be driven to be close to the middle part of the fixed shell, and the clamping block can be driven to be close to the middle part of the fixed shell.

Preferably, the cross section of first extrusion piece and second extrusion piece is trapezoidal, contacts through trapezoidal extrusion piece, can promote the slider and remove in the spout inside when receiving mutual extrusion.

Preferably, the center of the detection object is concentric with the center of the fixed shell, and the subsequent eddy current sensor clamped and fixed in the fixed shell can be automatically centered to ensure concentricity with the center of the fixed shell, so that the center of the eddy current sensor and the center of the detection object can be ensured to be concentric.

Preferably, the outer side surface of the clamping block is arc-shaped, and the outer side surface of the clamped sensor can be more attached through the arc-shaped clamping block.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model can automatically center, and ensure that the sensor probe is concentric with the center of the fixed shell, so that the center of the eddy current sensor is concentric with the center of the detection object, thereby improving the subsequent detection effect.

2. The clamping block clamping device is simple in structure and convenient to use, and can push the clamping blocks to tighten simultaneously in an extrusion mode, so that other complex transmission structures are not needed.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a measuring device of an eddy current sensor according to the present utility model;

FIG. 2 is a view showing the overall structure of a clamping mechanism of an eddy current sensor measuring device according to the present utility model;

FIG. 3 is a view showing the installation of a first extrusion block and a second extrusion block of the measuring device of the eddy current sensor according to the present utility model.

In the figure: 1. a work table; 2. a first electric push rod; 3. detecting an object; 4. a column; 5. a fixed housing; 6. a chute; 7. a slide block; 8. a clamping block; 9. a second electric push rod; 10. a movable ring; 11. a first extrusion block; 12. and a second extrusion block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides an electric vortex sensor measuring device, includes workstation 1, workstation 1 inboard middle part is fixed to be provided with first electric putter 2, the expansion end of first electric putter 2 is provided with the detection article 3 that can stretch out and draw back and move along with first electric putter 2, thereby first electric putter 2 can stretch out and draw back or shorten and can drive the detection article 3 and reciprocate, and detect the reciprocating of article 3 just can be used for imitating the reciprocating of piston in the engine cylinder, thereby can detect whether electric vortex sensor can correctly detect the position of detecting article 3, workstation 1 upper end surface all is fixed all around and is provided with stand 4, stand 4 upper end is fixed to be provided with the fixture that is used for centre gripping sensor probe, fixture is including fixed casing 5, spout 6, slider 7, grip block 8, stand 4 upper end is fixed to be provided with the casing, a plurality of spouts 6 have evenly been seted up to casing outside surface department, slider 7 four corners activity block sets up inside spout 6, grip block 8 fixed mounting is at slider 7 outside surface, and the grip block 8 can tighten up at the inside a plurality of spouts 8 along the inside of slide 5 of the inside sides that drive 5 of the grip block 6.

The transmission mechanism comprises a second electric push rod 9, a movable ring 10, a first extrusion block 11 and a second extrusion block 12, wherein the second electric push rod 9 is fixedly arranged at the lower end of the fixed shell 5, the movable ring 10 is fixedly arranged at the movable end of the second electric push rod 9, a plurality of first extrusion blocks 11 are arranged, the number of the first extrusion blocks 11 is consistent with that of the sliding blocks 7, the first extrusion blocks 11 are fixedly arranged on the outer side surface of the movable ring 10 and can move along with the expansion and contraction of the second electric push rod 9, and the second extrusion blocks 12 are fixedly arranged on the outer side surface of the sliding blocks 7; the plurality of clamping blocks 8 can be driven to be simultaneously tightened through the transmission mechanism; the outer side surfaces of the first extrusion block 11 and the second extrusion block 12 are mutually attached, and the second extrusion block 12 is extruded by the first extrusion block 11 so as to drive the sliding block 7 to be close to the middle part of the fixed shell 5, and thus the clamping block 8 can be pushed to be close to the middle part of the fixed shell 5; the cross sections of the first extrusion block 11 and the second extrusion block 12 are trapezoidal, and the sliding blocks 7 can be pushed to move in the sliding grooves 6 only when the first extrusion block and the second extrusion block are mutually extruded through the contact of the trapezoidal extrusion blocks; the center of the detection object 3 is concentric with the center of the fixed shell 5, and the eddy current sensor which is clamped and fixed in the fixed shell 5 can be automatically centered to ensure the concentricity with the center of the fixed shell 5, so that the center of the eddy current sensor is concentric with the center of the detection object 3; the outside surface of grip block 8 is the arc, can laminate by the outside surface of centre gripping sensor more through curved grip block 8.

Working principle: when the device is used, the cylindrical sensor probe is firstly fixed between the clamping blocks 8, then the second extrusion block 12 is extruded by the second electric push rod 9, so that the first extrusion block 11 can be driven to extrude the second extrusion block 12, the sliding block 7 can be driven to be close to the middle part of the fixed shell 5, the clamping blocks 8 can be pushed to be close to the middle part of the fixed shell 5, the sensor probe can be clamped and fixed, and the sensor probe can be automatically centered and ensured to be concentric with the center of the fixed shell 5 by the clamping and fixing mode, so that the center of the eddy current sensor can be ensured to be concentric with the center of the detected object 3, the subsequent detection effect can be improved, the first electric push rod 2 can be extended or shortened, so that the detected object 3 can be driven to move up and down, and the upward and downward movement of the detected object 3 can be used for imitating the upward and downward movement of the piston in an engine cylinder, so that whether the eddy current sensor can accurately detect the position of the detected object 3 can be detected, and if the eddy current sensor can display the position of the detected object 3, the eddy current sensor can accurately detect the eddy current sensor, and vice versa, and the eddy current sensor can work well.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An eddy current sensor measuring device, including workstation (1), its characterized in that: the utility model provides a workstation (1) inboard middle part is fixed to be provided with first electric putter (2), the expansion end of first electric putter (2) is provided with can be along with the flexible detection article (3) that moves of first electric putter (2), all fixedly all be provided with stand (4) around workstation (1) upper end surface, stand (4) upper end is fixed to be provided with the fixture that is used for centre gripping sensor probe, fixture includes fixed casing (5), spout (6), slider (7), grip block (8), stand (4) upper end is fixed to be provided with the casing, a plurality of spouts (6) have evenly been seted up in casing outside surface four corners department, slider (7) swing joint sets up inside spout (6), grip block (8) fixed mounting is at slider (7) outside surface, and grip block (8) can be along with slider (7) inside along spout (6) convenience about sliding, fixed casing (5) lower extreme outside surface is provided with the drive mechanism that a plurality of grip blocks (8) tighten up simultaneously.

2. An eddy current sensor measuring apparatus as claimed in claim 1, wherein: the transmission mechanism comprises a second electric push rod (9), a movable ring (10), a first extrusion block (11) and a second extrusion block (12), wherein the second electric push rod (9) is fixedly arranged at the lower end of the fixed shell (5), the movable ring (10) is fixedly arranged at the movable end of the second electric push rod (9), a plurality of first extrusion blocks (11) are arranged, the first extrusion blocks (11) are consistent with the sliding blocks (7) in number, and the first extrusion blocks (11) are fixedly arranged on the outer side surface of the movable ring (10).

3. An eddy current sensor measuring apparatus according to claim 2, wherein: the outer side surfaces of the first extrusion block (11) and the second extrusion block (12) are mutually attached.

4. An eddy current sensor measuring apparatus according to claim 2, wherein: the cross sections of the first extrusion block (11) and the second extrusion block (12) are trapezoid.

5. An eddy current sensor measuring apparatus as claimed in claim 1, wherein: the center of the detection object (3) is concentric with the center of the fixed shell (5).

6. An eddy current sensor measuring apparatus as claimed in claim 1, wherein: the outer side surface of the clamping block (8) is arc-shaped.