CN217084797U

CN217084797U - Eddy current detection limiting device

Info

Publication number: CN217084797U
Application number: CN202220867252.4U
Authority: CN
Inventors: 贺勃龙; 唐民锋; 杨帝思; 张琴; 刘木兰; 董永耀; 黄浩; 赵森达
Original assignee: Sichuan Chuanhang Aero Engine Maintenance Engineering Co ltd
Current assignee: Sichuan Chuanhang Aero Engine Maintenance Engineering Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-07-29
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses a vortex detection limiting device, which comprises a base, a rotating component, a lifting component and an adjusting component; the plurality of rotating assemblies are arranged on the base, the lifting assembly is arranged on the base and close to the rotating assemblies, the adjusting assembly is arranged on the lifting assembly and can slide along the length direction of the top of the lifting assembly, and a clamping end is arranged at the end part, close to the rotating assemblies, of the adjusting assembly; the rotating assembly can rotate a part to be detected placed on the rotating assembly, the clamping end can clamp the right-angle surface probe or the straight rod surface probe, the right-angle surface probe or the straight rod surface probe can be always detected along the preset direction, the height position of the detection can be changed through the lifting assembly, the circumferential position of the part to be detected can be changed through rotation, and all-round accurate detection of the part to be detected is achieved.

Description

Eddy current detection limiting device

Technical Field

The utility model belongs to the technical field of the detection technique and specifically relates to an eddy current testing stop device.

Background

Eddy current inspection refers to a nondestructive inspection method for nondestructively evaluating some properties of a conductive material and a workpiece thereof or finding defects by measuring the change of induced eddy currents in the inspected workpiece by using the principle of electromagnetic induction. In industrial production, eddy current testing is one of the main means for controlling the quality of various metal materials, a few non-metal conductive materials such as graphite and carbon fiber composite materials, and the like, and the quality of products thereof, and plays an important role in the technical field of nondestructive testing.

Probe eddy current testing is a method of testing placed on a sample surface with a coil encapsulated into the probe tip. The surface scanning flaw detection device is not only suitable for surface scanning flaw detection of plates, plate blanks, square blanks, round blanks, bars and large-diameter pipes with simple shapes, but also suitable for inspection of mechanical parts with complex shapes. Compared with a through coil, the probe type coil is small in size and small in field action range, so that the probe type coil is suitable for detecting surface defects with small sizes.

In the prior art, when detecting, usually, the detection is performed by the hand-held right-angle surface probe or the straight rod surface probe to be perpendicular to the surface of the detected part, so that an effective detection eddy current can be generated, but when manually detecting the part, if the perpendicular direction cannot be effectively maintained, the detection may be missed due to insufficient signals.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at: to above-mentioned problem, provide an eddy current inspection stop device, solved among the prior art when handheld inspection is examined the part surface, can't preserve the vertical state for a long time accurately, probably cause the problem of lou examining.

The utility model discloses a realize through following scheme:

a vortex detection limiting device comprises a base, a rotating assembly, a lifting assembly and an adjusting assembly; the plurality of rotating assemblies are arranged on the base, the lifting assembly is arranged on the base and close to the rotating assemblies, the adjusting assembly is arranged on the lifting assembly and can slide in the length direction along the top of the lifting assembly, and the end part, close to the rotating assemblies, of the adjusting assembly is provided with a clamping end.

Based on the structure of the vortex detection limiting device, the rotating assembly comprises a fixed shell, a rotating outer cylinder and a rotating inner cylinder; the rotary outer barrel is sleeved at the inner position of the fixed shell, a central groove is formed in the central position inside the rotary outer barrel, and the rotary inner barrel is sleeved in the central groove.

Based on last eddy current testing stop device's structure, be provided with roller bearing and fixed chamber between fixed shell and the rotatory urceolus, fixed chamber evenly sets up along fixed shell's inside wall, roller bearing surface and rotatory urceolus contact.

Based on the structure of the eddy current detection limiting device, at least 4 rolling rod bearings are arranged in the fixed cavity; and 4 rolling rod bearings are symmetrically arranged in four directions of the rotary outer cylinder.

Based on last eddy current testing stop device's structure, be provided with the ball on rotatory urceolus bottom and the fixed shell contact surface, the ball evenly sets up to a plurality ofly along the lower surface of rotatory shell.

Based on the structure of the last vortex detection limiting device, the central groove is of one of a cylindrical structure, a cuboid structure or a cube structure.

Based on the structure of the eddy current detection limiting device, the rotating inner cylinder can comprise a first rotating cylinder, a second rotating cylinder and a rotating shaft; the first rotating cylinder and the second rotating cylinder are arranged in the central groove through rotating shafts respectively, the first rotating cylinder and the second rotating cylinder are arranged in parallel, and the rotating shafts of the first rotating cylinder and the second rotating cylinder are perpendicular to the rotating direction of the rotating outer cylinder.

Based on the structure of the eddy current detection limiting device, a first supporting rod and a second supporting rod are arranged at the contact part of the lifting assembly and the adjusting assembly; the first supporting rod and the second supporting rod are arranged in parallel.

Based on the structure of the eddy current detection limiting device, the adjusting assembly comprises an adjusting rod, an adjusting groove and a universal adjusting head; the adjusting groove is arranged along the length direction of the adjusting rod, and the universal adjusting head is arranged on the end part, close to the rotary outer cylinder, of the adjusting rod; the width dimension of the adjusting groove is matched with the diameters of the first supporting rod and the second supporting rod, so that the first supporting rod and the second supporting rod can be just sleeved into the adjusting groove.

Based on last eddy current testing stop device's structure, the exposed core includes first grip block, second grip block and centre gripping spring, and first grip block, second grip block are articulated with universal regulation head respectively, and the centre gripping spring setting is between first grip block, second grip block.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the rotating assembly can rotate a part to be detected placed on the rotating assembly, the clamping end can clamp the right-angle surface probe or the straight rod surface probe, the right-angle surface probe or the straight rod surface probe can be always detected along the preset direction, the height position of the detection can be changed through the lifting assembly, the circumferential position of the part to be detected can be changed through rotation, and all-round accurate detection of the part to be detected is achieved.

2. First bracing piece and second bracing piece are established just in the adjustment tank in this scheme, make adjustment tank and lifting unit have 2 contact points, have guaranteed adjustment unit and lifting unit's the straightness that hangs down to the length direction along the adjustment tank that adjustment unit can be free moves, makes this scheme can be applicable to not unidimensional part and detects, has increased the practicality of this scheme.

3. The overturning detection of the thin-wall annular part and the overturning detection of the disc type part can be completed through the scheme.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

fig. 3 is a schematic top view of the whole structure of the present invention;

FIG. 4 is a schematic view of the present invention for inspecting the outer surface of a part;

FIG. 5 is a schematic view of the inner surface of the component being inspected according to the present invention;

FIG. 6 is a front view of the inner surface of the component according to the present invention;

fig. 7 to 8 are schematic views of the connection structure of the lifting assembly and the adjusting assembly of the present invention;

FIG. 9 is a schematic view of the structure of the clamping end of the present invention;

description of the drawings: 1. a base; 2. a rotating assembly; 3. a lifting assembly; 4. an adjustment assembly; 5. a clamping end; 6. a probe; 7. a part; 201. fixing the housing; 202. rotating the outer cylinder; 203. rotating the inner cylinder; 204. a roller bearing; 205. a fixed cavity; 206. a ball bearing; 207. a central slot; 208. a first rotating drum; 209. a second rotary cylinder; 210. a rotating shaft; 301. a first support bar; 302. a second support bar; 401. adjusting a rod; 402. an adjustment groove; 403. a universal adjusting head; 501. a first clamping plate; 502. a second clamping plate; 503. the spring is clamped.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the designated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

Example 1

As shown in fig. 1 to 9, the present invention provides a technical solution:

an eddy current detection limiting device at least comprises but is not limited to a base 1, a rotating assembly 2, a lifting assembly 3 and an adjusting assembly 4; the rotating assembly 2 is arranged on the base 1, the lifting assembly 3 is arranged on the base 1 and is close to the rotating assembly 2, the adjusting assembly 4 is arranged on the lifting assembly 3, the adjusting assembly 4 can slide along the top of the lifting assembly 3 in the length direction, and a clamping end 5 is arranged on the end part, close to the rotating assembly 2, of the adjusting assembly 4;

based on above-mentioned structure, rotating assembly 2 can rotate placing the part 7 that waits to detect on it, and the exposed core 5 can centre gripping right angle surface probe 6 or straight pole surface probe 6, makes right angle surface probe 6 or straight pole surface probe 6 can detect along the predetermined direction all the time, can change the high position that detects through lifting assembly 3, can change the circumference position of part 7 that awaits measuring through the rotation, realizes the all-round accurate detection to the part 7 that awaits measuring.

As an example, the rotating assembly 2 may include a stationary outer housing 201, a rotating outer cylinder 202, and a rotating inner cylinder 203; the rotating outer cylinder 202 is sleeved in the inner position of the fixed shell 201, and the rotating inner cylinder 203 is sleeved in the center position of the rotating outer cylinder 202.

A roller bearing 204 and a fixed cavity 205 are arranged between the fixed shell 201 and the rotating outer cylinder 202, the fixed cavity 205 is uniformly arranged in a circle along the inner side wall of the fixed shell 201, and the surface of the roller bearing 204 is in contact with the rotating outer cylinder 202; at least 4 roller bearings 204 are arranged in the fixed cavity 205; and 4 roller bearings 204 are symmetrically arranged in four directions of the rotary outer cylinder 202.

With the above configuration, the roller bearing 204 is provided between the fixed housing 201 and the rotating outer cylinder 202, so that the friction force of the rotating outer cylinder 202 during rotation can be reduced, and the rotation can be more smooth.

As an example, a plurality of balls 206 may be provided uniformly along the lower surface of the rotating casing on the contact surface of the bottom of the rotating outer cylinder 202 and the fixed casing 201.

Based on the above structure, the bottom of the rotating outer cylinder 202 further rubs against the bottom of the fixed housing 201 during rotation by the balls 206, thereby ensuring smooth rotation of the rotating outer cylinder 202 as a whole.

As an example, a central groove 207 may be provided at a central position inside the rotary outer cylinder 202, the central groove 207 may have a cylindrical structure, a rectangular parallelepiped structure, or a square structure, and in the present embodiment, the central groove 207 has a cylindrical structure.

As an example, the rotary inner cylinder 203 may include a first rotary cylinder 208, a second rotary cylinder 209, and a rotary shaft 210; the first rotary cylinder 208 and the second rotary cylinder 209 are respectively disposed in the central groove 207 via a rotary shaft 210, and the first rotary cylinder 208 and the second rotary cylinder 209 are freely rotatable along the rotary shaft 210.

The first rotary cylinder 208 and the second rotary cylinder 209 are both rubber rollers.

The first rotating cylinder 208 and the second rotating cylinder 209 are arranged in parallel, and the rotating shafts 210 of the first rotating cylinder 208 and the second rotating cylinder 209 are arranged perpendicularly to the rotating direction of the outer rotating cylinder 202.

Based on the above structure, when detecting the inside of the cylindrical part 7, the part 7 can be placed in the rotary inner cylinder 203 and rotated in the horizontal direction, and the clamping portion clamps the right-angle surface probe 6, so that the probe 6 is always perpendicular to the surface to be measured, thereby realizing the detection of the inside of the cylindrical part 7.

As an example, the lifting assembly 3 may be an electric telescopic rod, a telescopic oil cylinder or a telescopic air cylinder, and the height position of the adjusting assembly 4 is changed through the lifting assembly 3.

A first supporting rod 301 and a second supporting rod 302 are arranged at the contact part of the lifting component 3 and the adjusting component 4; the first support bar 301 and the second support bar 302 are arranged in parallel.

By way of example, the adjustment assembly 4 may include an adjustment rod 401, an adjustment slot 402, and a universal adjustment head 403; the adjustment groove 402 is provided along the longitudinal direction of the adjustment lever 401, and the universal adjustment head 403 is provided on the end portion of the adjustment lever 401 near the rotary outer cylinder 202.

The width of the adjustment groove 402 is matched with the diameter of the first support rod 301 and the second support rod 302, so that the first support rod 301 and the second support rod 302 can be just sleeved in the adjustment groove 402.

Based on above-mentioned structure, because first bracing piece 301 and second bracing piece 302 overlap just and establish in adjustment tank 402, make adjustment tank 402 and lifting unit 3 have 2 contact points, guaranteed adjusting unit 4 and lifting unit 3's the straightness that hangs down to adjusting unit 4 can be free moves along the length direction of adjustment tank 402, make this scheme can be applicable to not unidimensional part 7 and detect, increased the practicality of this scheme.

As an example, the universal adjustment head 403 may be disposed on the adjustment lever 401 in a ball-and-socket manner.

As an example, the clamping end 5 may be a first clamping plate 501, a second clamping plate 502 and a clamping spring 503, the first clamping plate 501 and the second clamping plate 502 are respectively hinged with the universal adjusting head 403, and the clamping spring 503 is disposed between the first clamping plate 501 and the second clamping plate 502.

Based on the structure, the relative distance between the first clamping plate 501 and the second clamping plate 502 can be adjusted through the clamping spring 503, and the clamping of the right-angle surface probe 6 or the straight rod surface probe 6 is realized. Meanwhile, the universal adjusting head 403 can finely adjust the clamped angle, and the detection surfaces with different angles are used in sequence.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides an eddy current testing stop device which characterized in that: comprises a base, a rotating component, a lifting component and an adjusting component; the plurality of rotating assemblies are arranged on the base, the lifting assembly is arranged on the base and close to the rotating assemblies, the adjusting assembly is arranged on the lifting assembly and can slide in the length direction along the top of the lifting assembly, and the end part, close to the rotating assemblies, of the adjusting assembly is provided with a clamping end.

2. An eddy current testing stop device as defined in claim 1 wherein: the rotating component comprises a fixed outer shell, a rotating outer cylinder and a rotating inner cylinder; the rotary outer barrel is sleeved at the inner position of the fixed shell, a central groove is formed in the central position inside the rotary outer barrel, and the rotary inner barrel is sleeved in the central groove.

3. An eddy current testing stop device as defined in claim 2 wherein: the roller bearing and the fixed cavity are arranged between the fixed shell and the rotary outer barrel, the fixed cavity is evenly arranged along the inner side wall of the fixed shell, and the surface of the roller bearing is in contact with the rotary outer barrel.

4. An eddy current test position limiter according to claim 3, wherein: at least 4 roller bearings are arranged in the fixed cavity; and 4 rolling rod bearings are symmetrically arranged in four directions of the rotary outer cylinder.

5. An eddy current testing stop device as defined in claim 4 wherein: the rotary outer barrel is characterized in that balls are arranged on the contact surface of the bottom of the rotary outer barrel and the fixed shell, and a plurality of balls are uniformly arranged on the lower surface of the rotary outer barrel.

6. An eddy current testing stop device as defined in claim 5 wherein: the central groove is of one of a cylindrical structure, a cuboid structure or a cube structure.

7. An eddy current testing stop device according to any one of claims 3 to 6, wherein: the rotary inner cylinder may include a first rotary cylinder, a second rotary cylinder, and a rotary shaft; the first rotating cylinder and the second rotating cylinder are arranged in the central groove through rotating shafts respectively, the first rotating cylinder and the second rotating cylinder are arranged in parallel, and the rotating shafts of the first rotating cylinder and the second rotating cylinder are perpendicular to the rotating direction of the rotating outer cylinder.

8. An eddy current testing stop device as defined in claim 7 wherein: a first supporting rod and a second supporting rod are arranged at the contact part of the lifting assembly and the adjusting assembly; the first supporting rod and the second supporting rod are arranged in parallel.

9. An eddy current testing stop device as defined in claim 8 wherein: the adjusting assembly comprises an adjusting rod, an adjusting groove and a universal adjusting head; the adjusting groove is arranged along the length direction of the adjusting rod, and the universal adjusting head is arranged on the end part, close to the rotary outer cylinder, of the adjusting rod; the width dimension of the adjusting groove is matched with the diameters of the first supporting rod and the second supporting rod, so that the first supporting rod and the second supporting rod can be just sleeved into the adjusting groove.

10. An eddy current testing stop device as defined in claim 9 wherein: the clamping end comprises a first clamping plate, a second clamping plate and a clamping spring, the first clamping plate and the second clamping plate are hinged to the universal adjusting head respectively, and the clamping spring is arranged between the first clamping plate and the second clamping plate.