Probe of coating thickness gauge

Abstract

The utility model belongs to the field of coating thickness gauges, and particularly relates to a probe of a coating thickness gauge, which comprises a probe main body, the surface of the probe main body is rotatably connected with a fixing frame, a transmission assembly is arranged in the fixing frame, and the transmission assembly is matched with the probe main body for use. The probe body comprises a coil shell, an insulating head, a pressure head and a power module, the pressure head is installed on one side of the coil shell, the insulating head is fixedly sleeved with the pressure head, the power module is installed on the other side of the coil shell, and the fixing frame is rotationally connected with the surface of the power module; by arranging the fixing frame and the transmission assembly, the probe body can conveniently extend into the narrow space, the probe body can be driven to rotate at the bottom of the fixing frame through the transmission assembly so as to adjust the elevation angle of the probe body, the orientation of the probe body is adjusted by rotating the fixing frame, and therefore the probe assembly can conveniently conduct detection work in the narrow space.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coating thickness gauge, specifically a kind of probe of coating thickness gauge. BACKGROUND

[0002] Coating thickness gauge can be nondestructively measured the thickness of non-magnetic coating on magnetic metal matrix and the thickness of non-conductive coating on non-magnetic metal matrix, and the coating thickness gauge has the characteristics of small measurement error, high reliability, good stability and simple operation, and is an essential detection instrument for controlling and ensuring product quality, and is widely used in manufacturing industry, metal processing industry, chemical industry, commercial inspection and other detection fields. Among them, the coating thickness gauge probe is a key component that affects measurement accuracy and applicability.

[0003] In the use of coating thickness gauge, the coating thickness gauge probe in part of prior art reduces collision damage through protective sleeve or spring structure, but in actual use, the coating thickness gauge probe in prior art is difficult to adapt to the detection of narrow space, and it is also difficult to adjust the orientation of the probe in narrow space, thereby reducing the use effect of the coating thickness gauge probe. Therefore, a probe of coating thickness gauge is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to make up for the shortcomings of the prior art, the coating thickness gauge probe in the prior art is difficult to adapt to the detection of narrow space, and it is also difficult to adjust the orientation of the probe in narrow space, thereby reducing the use effect of the coating thickness gauge probe. Therefore, a probe of coating thickness gauge is proposed to solve the above problems.

[0005] The utility model solves the technical scheme that the technical scheme adopts: a kind of probe of coating thickness gauge, including probe main part, the surface of probe main part is rotatably connected with fixed frame, transmission assembly is provided in the inside of fixed frame, and transmission assembly is used in conjunction with probe main part;

[0006] The probe main part includes coil shell, insulating head, pressure head and power module, the pressure head is installed on one side of coil shell, the insulating head is fixedly sleeved in the inside of pressure head, the power module is installed on the other side of coil shell, the surface of fixed frame is rotatably connected with power module, and the surface of pressure head is provided with protection assembly;

[0007] The transmission assembly includes support fixedly installed on the surface of probe main part, support is rotatably sleeved with support ring in the inside, the surface of support ring is fixedly connected with pull rope, the inside of fixed frame is slidably connected with moving frame, and one end of pull rope is fixedly connected with the bottom of moving frame.

[0008] As preferred, the surface of the fixing frame is rotatably provided with a first guide wheel, the surface of the pull rope is slidably connected with the surface of the first guide wheel, the inner portion of the fixing frame is fixedly provided with a second guide wheel, and the surface of the pull rope is slidably connected with the surface of the second guide wheel.

[0009] As preferred, the surface of the moving frame is provided with a sliding groove, the inner wall of the fixing frame is fixedly provided with a sliding block, and the surface of the sliding block is slidably connected with the inner cavity of the sliding groove.

[0010] As preferred, the surface of the sliding block is fixedly provided with a limiting block, the inner cavity of the sliding groove is provided with a limiting groove, and the inner cavity of the limiting groove is slidably connected with the surface of the limiting block.

[0011] As preferred, the top of the moving frame is fixedly provided with a first spring, and the top of the first spring is fixedly connected with the fixing frame.

[0012] As preferred, the protection assembly comprises a fixed sleeve provided on the surface of the pressing head, a movable sleeve slidably connected in the fixed sleeve, a second spring fixedly provided in the fixed sleeve, and the bottom of the second spring is fixedly connected with the top of the movable sleeve.

[0013] As preferred, the surface of the movable sleeve is fixedly provided with a supporting block, the inner wall of the fixed sleeve is provided with a supporting groove, and the inner cavity of the supporting groove is slidably connected with the surface of the supporting block.

[0014] The utility model discloses the beneficial effect lies in:

[0015] 1. The utility model discloses a fixing frame and transmission assembly can be conveniently inserted into the probe main part in narrow space, and the probe main part can be driven to rotate at the bottom of the fixing frame through the transmission assembly to adjust the elevation angle of the probe main part, and the orientation of the probe main part is adjusted through the rotation of the fixing frame, so that the probe assembly can conveniently detect in narrow space.

[0016] 2. The utility model discloses a protection assembly can protect the probe main part when using, and when the probe main part moves in narrow space, the protection assembly can avoid collision and damage of the probe main part. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0018] Figure 1The utility model discloses a coating thickness gauge's probe structure schematic drawing.

[0019] Figure 2 The utility model discloses a probe main part structure schematic drawing.

[0020] Figure 3 The utility model discloses a transmission assembly structure schematic drawing.

[0021] Figure 4 The utility model discloses a mobile frame structure schematic drawing.

[0022] Figure 5 The utility model discloses a protection assembly structure schematic drawing.

[0023] In the drawing: 1, probe main part;101, coil shell;102, insulating head;103, pressure head;104, power module;2, fixed frame;3, transmission assembly;31, support;32, support ring;33, pull rope;3301, first guide pulley;3302, second guide pulley;34, mobile frame;3401, sliding slot;3402, sliding block;3403, limit block;3404, limit slot;3405, first spring;4, protection assembly;41, fixed sleeve;42, movable sleeve;4201, support block;4202, support slot;43, second spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0025] The following will be combined with the drawings of the embodiments of the utility model to describe the technical solutions in the embodiments of the utility model clearly and completely. Figures 1-5 The application will be further described in detail,

[0026] The embodiments of the application disclose a probe of a coating thickness gauge. Referring to Figure 2 , Figure 3 and Figure 4 A probe of a coating thickness gauge, comprising a probe main body 1, a fixed frame 2 is rotatably connected to the surface of the probe main body 1, a transmission assembly 3 is arranged in the fixed frame 2, and the transmission assembly 3 is used in cooperation with the probe main body 1.

[0027] The probe body 1 comprises a coil shell 101, an insulating head 102, a pressure head 103 and a power module 104, the pressure head 103 is installed on one side of the coil shell 101, the insulating head 102 is fixed in the pressure head 103, the power module 104 is installed on the other side of the coil shell 101, the fixed frame 2 is rotationally connected with the surface of the power module 104, and the surface of the pressure head 103 is provided with a protection assembly 4.

[0028] The probe body 1 further comprises a magnetic core base, a magnetic core, a ruby, a magnetic shielding cover, an excitation coil, an induction coil, an eddy current coil and a positioning column assembly, and the specific structure is as follows:

[0029] The magnetic core and the ruby: the magnetic core is made of a magnetic conductive material, one end of the magnetic core is fixedly bonded with the ruby, and the ruby is partially exposed outside the protective sleeve, and the high hardness characteristic of the ruby is used to reduce the direct wear of the probe and the measured object;

[0030] The coil and the positioning column: the excitation coil, the induction coil and the eddy current coil are sequentially sleeved outside the magnetic core, and the spacing is fixed by the positioning column, so that the coil and the magnetic core are coaxial, and the signal stability is improved;

[0031] In addition, the probe body 1 is integrated with the coating thickness gauge main machine, the built-in circuit board directly processes the electric signal, the external connecting wire is saved, the volume is reduced, and the anti-interference ability is enhanced, which is the prior art and will not be described in detail here;

[0032] Measurement principle:

[0033] Magnetic induction mode: the probe body 1 and the iron base form a closed magnetic circuit, the non-magnetic coating causes the change of magnetic resistance, and the thickness is calculated by detecting the inductance difference of the coil;

[0034] Eddy current effect mode: the high-frequency excitation coil generates eddy current on the surface of the non-ferrous conductor, the eddy current magnetic field reacts on the coil, and the coating thickness is measured by the impedance change;

[0035] The transmission assembly 3 comprises a support 31 fixedly installed on the surface of the probe main body 1, a supporting ring 32 rotatably sleeved in the support 31, a pull rope 33 fixedly connected to the surface of the supporting ring 32, a moving frame 34 slidably connected to the inner portion of the fixed frame 2, and one end of the pull rope 33 fixedly connected to the bottom of the moving frame 34; when it is needed to use the probe main body 1 in a narrow space, the probe main body 1 is inserted into the narrow space by holding the fixed frame 2, and the probe main body 1 is protected by the protection assembly 4; after the probe main body 1 is moved to the required position, the position of the probe main body 1 is adjusted according to the angle and direction of the position to be measured, the moving frame 34 is pulled to drive the pull rope 33 to move, the pull rope 33 drives the support 31 to move through the supporting ring 32, and the support 31 drives the probe main body 1 to move, so that the elevation angle of the probe main body 1 is adjusted; then the fixed frame 2 is rotated to drive the probe main body 1 to rotate, so that the orientation of the probe main body 1 is adjusted, and thus the probe main body 1 can be aligned with the position to be measured.

[0036] With reference to Figure 1 and Figure 3 , the surface of the fixed frame 2 is rotatably installed with a first guide wheel 3301, the surface of the pull rope 33 is slidably connected to the surface of the first guide wheel 3301, the inner portion of the fixed frame 2 is fixedly installed with a second guide wheel 3302, and the surface of the pull rope 33 is slidably connected to the surface of the second guide wheel 3302; the first guide wheel 3301 can support the pull rope 33, so that the pull rope 33 can drive the probe main body 1 to rotate to one side of the fixed frame 2, the second guide wheel 3302 can support the position of the pull rope 33 in the fixed frame 2, and the first guide wheel 3301 and the second guide wheel 3302 can avoid friction between the pull rope 33 and the fixed frame 2.

[0037] With reference to Figure 1 and Figure 4 , the surface of the moving frame 34 is provided with a sliding groove 3401, the inner wall of the fixed frame 2 is fixedly installed with a sliding block 3402, and the surface of the sliding block 3402 is slidably connected to the inner cavity of the sliding groove 3401; the surface of the sliding block 3402 is slidably connected to the inner cavity of the sliding groove 3401, so as to stabilize the position of the moving frame 34 in the fixed frame 2 and avoid inclination and deviation of the moving frame 34.

[0038] With reference to Figure 1 and Figure 4 , the surface of the sliding block 3402 is fixedly installed with a limiting block 3403, the inner cavity of the sliding groove 3401 is provided with a limiting groove 3404, and the inner cavity of the limiting groove 3404 is slidably connected to the surface of the limiting block 3403; the inner cavity of the limiting groove 3404 is slidably connected to the surface of the limiting block 3403, so as to stabilize the connection position of the sliding block 3402 and the sliding groove 3401 and avoid separation of the sliding groove 3401 and the sliding block 3402 to affect the position of the moving frame 34.

[0039] With reference toFigure 1 And Figure 4 The top of the moving frame 34 is fixedly provided with a first spring 3405, and the top of the first spring 3405 is fixedly connected with the fixed frame 2. The first spring 3405 can support the moving frame 34, and the elevation angle of the probe main body 1 can be adjusted after the moving frame 34 is pulled upward. After the moving frame 34 is released, the first spring 3405 can drive the moving frame 34 to reset, so that the probe main body 1 can be reset to the vertical position.

[0040] Referring to Figure 1 And Figure 5 The protection assembly 4 comprises a fixed sleeve 41 provided on the surface of the pressure head 103, the inside of the fixed sleeve 41 is slidably connected with a movable sleeve 42, the inside of the fixed sleeve 41 is fixedly provided with a second spring 43, and the bottom of the second spring 43 is fixedly connected with the top of the movable sleeve 42. The fixed sleeve 41 and the movable sleeve 42 can protect the probe main body 1. When the probe main body 1 contacts the position to be detected, the movable sleeve 42 can enter the inside of the fixed sleeve 41, so as to avoid the movable sleeve 42 affecting the contact between the probe main body 1 and the position to be detected. After the probe main body 1 is separated from the detection position, the second spring 43 drives the movable sleeve 42 to reset, so that the movable sleeve 42 and the fixed sleeve 41 can protect the probe main body 1 again.

[0041] Referring to Figure 1 And Figure 5 The surface of the movable sleeve 42 is fixedly provided with a supporting block 4201, and the inner wall of the fixed sleeve 41 is provided with a supporting groove 4202, and the inner cavity of the supporting groove 4202 is slidably connected with the surface of the supporting block 4201. The surface of the supporting block 4201 is slidably connected with the inner cavity of the supporting groove 4202, so as to stabilize the position of the movable sleeve 42 in the fixed sleeve 41, and avoid the movable sleeve 42 from falling off and affecting normal use.

[0042] Working principle: when the probe body 1 needs to be used in a narrow space, the handheld fixing frame 2 extends the probe body 1 into the narrow space, and the protection assembly 4 plays a protection role on the probe body 1, and after the probe body 1 moves to the required position, the position of the probe body 1 is adjusted according to the angle and direction of the to-be-measured position, the moving frame 34 is pulled, and the surface of the limiting block 3403 is connected with the inner cavity of the limiting groove 3404 in sliding mode, so that the connecting position of the sliding groove 3401 and the sliding block 3402 is stabilized, thereby stabilizing the position of the moving frame 34, so that the moving frame 34 moves more stably, so that the moving frame 34 drives the pull rope 33 to move, and the pull rope 33 is supported by the first guide wheel 3301 and the second guide wheel 3302, so that the pull rope 33 drives the support 31 to move through the supporting ring 32, the support 31 drives the probe body 1 to move, thereby achieving the effect of adjusting the elevation angle of the probe body 1, then the fixed frame 2 is rotated, so that the fixed frame 2 drives the probe body 1 to rotate, so as to adjust the orientation of the probe body 1, so that the probe body 1 can be aligned with the to-be-measured position, then the probe body 1 is contacted with the to-be-measured position, and when the probe body 1 is contacted with the to-be-measured position, the movable sleeve 42 can enter the inside of the fixed sleeve 41, so as to avoid the movable sleeve 42 affecting the contact between the probe body 1 and the to-be-measured position, after the coating thickness detection is completed, the probe body 1 is separated from the detection position, the movable sleeve 42 is reset through the second spring 43, and the surface of the supporting block 4201 is connected with the inner cavity of the supporting groove 4202 in sliding mode, so as to avoid the movable sleeve 42 from being separated from the fixed sleeve 41, so that the fixed sleeve 41 and the movable sleeve 42 play a protection role on the probe body 1 again, then the moving frame 34 is loosened, the first spring 3405 drives the moving frame 34 to reset, the position of the pull rope 33 is no longer supported by the moving frame 34, so that the probe body 1 naturally falls, so as to take out the probe body 1 from the narrow space.

[0043] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A probe for a coating thickness gauge, characterised in that: Including the probe main part (1), the surface of the probe main part (1) is rotatably connected with the fixed frame (2), the inside of the fixed frame (2) is provided with the transmission assembly (3), the transmission assembly (3) is used in cooperation with the probe main part (1); The probe main part (1) includes a coil housing (101), an insulating head (102), a pressure head (103) and a power module (104), the pressure head (103) is installed on one side of the coil housing (101), the insulating head (102) is fixedly sleeved (41) in the inside of the pressure head (103), the power module (104) is installed on the other side of the coil housing (101), the surface of the fixed frame (2) is rotatably connected with the power module (104), the surface of the pressure head (103) is provided with a protection assembly (4); The transmission assembly (3) includes a support (31) fixedly installed on the surface of the probe main part (1), a support ring (32) rotatably sleeved in the inside of the support (31), a pull rope (33) fixedly connected with the surface of the support ring (32), a moving frame (34) slidably connected in the inside of the fixed frame (2), one end of the pull rope (33) is fixedly connected with the bottom of the moving frame (34).

2. A probe for a coating thickness gauge according to claim 1, characterised in that: The surface of the fixed frame (2) is rotatably installed with a first guide wheel (3301), the surface of the pull rope (33) is slidably connected with the surface of the first guide wheel (3301), the inside of the fixed frame (2) is fixedly installed with a second guide wheel (3302), the surface of the pull rope (33) is slidably connected with the surface of the second guide wheel (3302).

3. A probe for a coating thickness gauge according to claim 1, characterised in that: The surface of the moving frame (34) is provided with a sliding groove (3401), the inner wall of the fixed frame (2) is fixedly installed with a sliding block (3402), the surface of the sliding block (3402) is slidably connected with the inner cavity of the sliding groove (3401).

4. A probe for a coating thickness gauge according to claim 3, characterised in that: The surface of the sliding block (3402) is fixedly installed with a limiting block (3403), the inner cavity of the sliding groove (3401) is provided with a limiting groove (3404), the inner cavity of the limiting groove (3404) is slidably connected with the surface of the limiting block (3403).

5. A probe for a coating thickness gauge according to claim 1, characterized in that: The top of the moving frame (34) is fixedly installed with a first spring (3405), the top of the first spring (3405) is fixedly connected with the fixed frame (2).

6. A probe for a coating thickness gauge according to claim 1, characterized in that: The protection assembly (4) includes a fixed sleeve (41) provided on the surface of the pressure head (103), a movable sleeve (42) slidably connected in the inside of the fixed sleeve (41), a second spring (43) fixedly installed in the inside of the fixed sleeve (41), the bottom of the second spring (43) is fixedly connected with the top of the movable sleeve (42).

7. A probe for a coating thickness gauge according to claim 6, characterised in that: The surface of the movable sleeve (42) is fixedly installed with a support block (4201), the inner wall of the fixed sleeve (41) is provided with a support groove (4202), the inner cavity of the support groove (4202) is slidably connected with the surface of the support block (4201).

Images