CN214310303U - Vortex internal detection device for integration of micro pipeline probe - Google Patents
Vortex internal detection device for integration of micro pipeline probe Download PDFInfo
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- CN214310303U CN214310303U CN202023324058.1U CN202023324058U CN214310303U CN 214310303 U CN214310303 U CN 214310303U CN 202023324058 U CN202023324058 U CN 202023324058U CN 214310303 U CN214310303 U CN 214310303U
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- eddy current
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Abstract
The utility model discloses a vortex internal detection device for integration of a micro pipeline probe, which comprises a probe mounting part with an annular structure, wherein the annular structure is provided with a fixing frame connecting hole, a fixing frame is arranged by penetrating through the fixing frame connecting hole, the fixing frame is provided with a fixing connecting rod, and the two ends of the fixing frame are respectively sleeved with a front end supporting component and a rear end supporting leather cup; the annular structure is enclosed by the fixed lamella of a plurality of probe, and annular structure, front end supporting component and rear end support leather cup are flexible material, and every fixed lamella of probe is provided with eddy current sensor, and the eddy current sensor cladding has wear-resisting protection film, and annular structure is formed with the interference and reserves the face. The utility model provides a conventional eddy current testing probe all be split type independent structure, and the size is great, and occupation space is big, and installs trouble problem to and the miniaturized problem of eddy current testing structure, improved eddy current testing's efficiency and accuracy, realized the interior detection of the vortex of small pipeline.
Description
Technical Field
The utility model belongs to the technical field of the pipeline corrodes nondestructive test, concretely relates to detection device in vortex for integration of small pipeline probe.
Background
The pipeline is widely applied to various important industrial fields such as ships, petrochemicals, nuclear energy, electric power and the like as an economic, efficient and safe material conveying means. Along with the increase of service time, the pipeline can be corroded by the action of internal and external media, and pipeline leakage can be caused in serious cases, even major safety accidents occur, and huge hidden dangers are brought to the safe operation of equipment.
The pipeline eddy current internal detection technology can realize 360-degree full-coverage detection of pipeline corrosion by carrying an eddy current probe to walk in a pipeline through a detection device, and has the advantages of large detection range, high efficiency, high sensitivity and the like. The conventional eddy current detection probe is of a split type independent structure, is large in size, large in occupied space and troublesome to install. Meanwhile, in order to realize the full coverage of the pipeline by the probe for 360 degrees, the distance between the probes needs to be calculated in a complicated way. Therefore, for a small pipeline with a small inner diameter, the conventional probe cannot meet the design requirement due to the narrow inner space, and the whole structure of the equipment needs to be specially designed. In order to realize the eddy current internal detection of the micro pipeline, a miniature and convenient eddy current internal detection equipment structure is required to be found.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a detection device in vortex for small pipeline probe integration has solved at present to the less small pipeline of internal diameter, because of the inner space is narrow and small, conventional vortex probe can't satisfy the problem of inside detection requirement with the detection structure.
The technical proposal adopted by the utility model is that,
a vortex internal detection device for integration of a micro pipeline probe comprises a probe mounting part, wherein the probe mounting part is of an annular structure, a fixing frame connecting hole is formed in the center of the annular structure, a fixing frame is arranged through the fixing frame connecting hole and provided with a fixing connecting rod, and a front end supporting assembly and a rear end supporting leather cup are respectively sleeved at two ends of the fixing frame, which are located at the annular structure; the annular structure is enclosed by the fixed lamella of a plurality of probe, and annular structure, front end supporting component and rear end support leather cup are flexible material, and every fixed lamella of probe is provided with eddy current sensor in the position that detects the pipeline in the correspondence, and eddy current sensor corresponds the fixed lamella cladding of probe and has wear-resisting protection film, and annular structure is being formed with the interference reservation face along its axial in the one end that is close to front end supporting component.
The utility model is also characterized in that,
the front end supporting assembly comprises a front end supporting leather cup sleeved on the fixing frame, and a spacer is arranged between the front end supporting leather cup and the probe mounting part.
A plurality of water passing grooves are formed in the circumferential direction of the front end supporting leather cup and the rear end supporting leather cup at intervals.
The radial dimension of the annular structure is larger than that of the front end supporting assembly and the rear end supporting leather cup, so that the annular structure and the pipeline to be detected form interference fit under the condition that the annular structure moves axially along the pipeline to be detected.
Still include the fixed pressing plate subassembly, the fixed pressing plate subassembly is including setting up respectively in the front end fixed pressing plate and the rear end clamp plate at mount both ends, and the rear end clamp plate is located the rear end and supports the one end that the leather cup kept away from annular structure, and front end fixed pressing plate and rear end clamp plate correspond the mount and all dispose a plurality of fastening bolt.
The fixing frame is provided with a plurality of fixing holes.
The interference reserved surface is an interference inclined surface extending from one end of the annular structure along each probe fixing valve, so that after the annular structure enters a pipeline to be detected, each probe fixing valve is tightly attached to each other, and each eddy current sensor is attached to the wall of the pipeline to be detected through the protective film.
The wear-resistant protective film is made of polyether ketone material and is fixed on the annular structure through protective film fastening screws.
The flexible material is a polyurethane material.
The utility model has the advantages that: the utility model relates to a detection device in vortex for small pipeline probe integration has on miniature, convenient structure basis, improves the interior detection precision of pipeline vortex, realizes detecting in the vortex of small pipeline corruption, has fine practicality.
Drawings
FIG. 1 is a schematic structural view of an eddy current internal testing device for integration of a micro pipeline probe according to the present invention;
fig. 2 is a schematic structural view of a probe ring in the eddy current internal testing apparatus for integration of the small pipeline probe of the present invention.
In the figure, 1, a fastening bolt, 2, a front end fixing pressure plate, 3, a front end supporting leather cup, 4, a spacer, 5, a protective film fastening screw, 6, a fixing frame, 7, a fixing hole, 8, a rear end supporting leather cup, 9, a rear end pressure plate, 10, a probe fixing flap, 11, a fixing frame connecting hole, 12, an eddy current sensor, 13, an interference inclined plane, 14, a water passing groove and 15 are fixed connecting rods.
Detailed Description
The following describes in detail a vortex internal testing device for integration of a micro pipeline probe according to the present invention with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and 2, the eddy current internal detection device for integration of a micro pipeline probe comprises a probe mounting part, wherein the probe mounting part is of an annular structure, a fixing frame connecting hole 11 is formed in the center of the annular structure, a fixing frame 6 is arranged to penetrate through the fixing frame connecting hole 11, the fixing frame 6 is provided with a fixing connecting rod 15, and a front end supporting assembly and a rear end supporting leather cup 8 are respectively sleeved at two ends of the fixing frame 6, which are located at the annular structure; the annular structure is enclosed by a plurality of fixed lamella 10 of probe, and annular structure, front end supporting component and rear end support leather cup 8 are flexible material, and every fixed lamella 10 of probe is provided with eddy current sensor 12 in the position that corresponds to wait to detect the pipeline, and eddy current sensor 12 corresponds fixed lamella 10 cladding of probe and has wear-resisting protection film, and the annular structure is being formed with the interference reservation face along its axial in the one end that is close to front end supporting component.
Further, the front end supporting assembly comprises a front end supporting leather cup 3 sleeved on the fixing frame 6, and a spacer 4 is arranged between the front end supporting leather cup 3 and the probe mounting part.
Further, a plurality of water passing grooves 14 are formed in the circumferential direction of the front end supporting cup 3 and the rear end supporting cup 8 at intervals.
Further, the radial dimension of the annular structure is larger than the radial dimensions of the front end support assembly and the rear end support cup 8, so that the annular structure forms an interference fit with the pipeline to be detected under the condition that the annular structure moves axially along the pipeline to be detected.
Further, still include the fixed pressing plate subassembly, the fixed pressing plate subassembly is including setting up in the front end fixed pressing plate 2 and the rear end clamp plate 9 at 6 both ends of mount respectively, and rear end clamp plate 9 is located the one end that the annular structure was kept away from to rear end support leather cup 8, and front end fixed pressing plate 2 and rear end clamp plate 9 correspond mount 6 and all dispose a plurality of fastening bolt 1.
Furthermore, the fixing frame 6 is provided with a plurality of fixing holes 7.
Further, the interference reserved surface is an interference inclined surface 13 extending from one end of the annular structure along each probe fixing flap 10, so that after the annular structure enters the pipeline to be detected, each probe fixing flap 10 is tightly attached to each other, and each eddy current sensor 12 is attached to the wall of the pipeline to be detected through a protective film.
Further, the wear-resistant protective film is made of polyether ketone materials and is fixed to the annular structure through protective film fastening screws 5.
Further, the flexible material is a polyurethane material.
The utility model relates to a front end support leather cup 3 that is used for detection device in vortex of small pipeline probe integration: the supporting resistance is reduced, the deformation capacity is increased, and the overall motion stability is improved; the spacer 4: the front end is isolated from the supporting leather cup 3 and the probe mounting part, so that mutual extrusion between the two parts is prevented. Simultaneously, the function of fixing the probe mounting part is achieved; the probe fixing valve 10 is provided with a wear-resistant protective film made of polyether ketone material at the part attached to the pipeline to be detected, so that the detection precision can be ensured, the eddy current sensor 12 is protected from being damaged, and the service life of the mechanism is prolonged.
Protective film fastening screw 5: fixing the outer layer structure of the probe mounting part; a fixing frame 6: and the supporting and fixing probe mounting part is provided with four fixing holes 7 for mounting the signal acquisition board. The interior is hollow in order to reduce the overall weight of the device. The rear end supporting leather cup 8 and the front end supporting leather cup 3 have the same structure and function; the probe fixing valve 10 realizes the detection of the combined integrated micro pipeline through a plurality of combinations and interference design, saves the detection space and simplifies the detection structure.
The utility model relates to a detection device's working process in vortex for integration of small pipeline probe does: accomplish this structure equipment, put into this structure and wait to detect the pipeline, probe mounting portion with wait to detect the inner wall interference fit of pipeline, then promote this structure through external equipment and wait to detect the pipeline internal motion, vortex sensor 12 cooperation is to waiting to detect the pipeline and carrying out the vortex internal test, detects after accomplishing, takes out this structure, collects after the clearance, so far, the utility model relates to a work completion that is used for detection device in the vortex of small pipeline probe integration.
The utility model relates to a detection device in vortex for small pipeline probe integration through rationally designing, has solved conventional vortex detection probe and all is split type independent structure, and the size is great, and occupation space is big, installs inconveniently and the miniaturized problem of vortex detection structure, has improved vortex detection's efficiency and accuracy, has realized detecting in the vortex of small pipeline.
Claims (9)
1. The eddy current internal detection device for integration of the micro pipeline probe is characterized by comprising a probe mounting part, wherein the probe mounting part is of an annular structure, a fixing frame connecting hole (11) is formed in the center of the annular structure, a fixing frame (6) penetrates through the fixing frame connecting hole (11), the fixing frame (6) is provided with a fixing connecting rod (15), and a front end supporting assembly and a rear end supporting leather cup (8) are respectively sleeved at two ends of the fixing frame (6) located at the annular structure; the annular structure is enclosed by a plurality of probe fixing flaps (10), the annular structure, the front end supporting assembly and the rear end supporting leather cup (8) are made of flexible materials, each probe fixing flap (10) is provided with an eddy current sensor (12) at the position corresponding to a pipeline to be detected, the eddy current sensors (12) are coated with wear-resistant protective films corresponding to the probe fixing flaps (10), and an interference reserved surface is formed at one end of the annular structure close to the front end supporting assembly along the axial direction of the annular structure.
2. The eddy current internal detection device for integration of the micro pipeline probe according to claim 1, wherein the front end supporting assembly comprises a front end supporting leather cup (3) sleeved on a fixing frame (6), and a spacer (4) is arranged between the front end supporting leather cup (3) and the probe mounting part.
3. The eddy current internal detection device for integration of the micro pipeline probe as claimed in claim 2, wherein a plurality of water passing grooves (14) are arranged at intervals in the circumferential direction of the front end supporting cup (3) and the rear end supporting cup (8).
4. The eddy current internal testing device for integration of the micro pipeline probe according to claim 1, wherein the radial dimension of the ring structure is larger than the radial dimension of the front end supporting component and the rear end supporting cup (8), so that the ring structure forms an interference fit with the pipeline to be tested under the condition that the ring structure moves axially along the pipeline to be tested.
5. The eddy current internal detection device for integration of the micro pipeline probe according to claim 1, further comprising a fixed pressing plate assembly, wherein the fixed pressing plate assembly comprises a front end fixed pressing plate (2) and a rear end pressing plate (9) which are respectively arranged at two ends of the fixed frame (6), the rear end pressing plate (9) is arranged at one end, away from the annular structure, of the rear end supporting leather cup (8), and the front end fixed pressing plate (2) and the rear end pressing plate (9) are both provided with a plurality of fastening bolts (1) corresponding to the fixed frame (6).
6. The eddy current internal detection device for integration of the micro pipeline probe as claimed in claim 1, wherein a plurality of fixing holes (7) are formed on the fixing frame (6).
7. The eddy current internal detection device for integration of the micro pipeline probe as claimed in claim 1, wherein the interference reserved surface is an interference inclined surface (13) extending from one end of each probe fixing flap (10) along one end of the annular structure, so that after the annular structure enters the pipeline to be detected, each probe fixing flap (10) is tightly attached to each other, and each eddy current sensor (12) is attached to the pipe wall of the pipeline to be detected through a protection film.
8. The eddy current internal testing device for integration of the micro pipeline probe as claimed in claim 1, wherein the wear-resistant protective film is made of polyether ketone material, and the wear-resistant protective film is fixed on the annular structure through a protective film fastening screw (5).
9. The device as claimed in any one of claims 1 to 8, wherein the flexible material is polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023324058.1U CN214310303U (en) | 2020-12-31 | 2020-12-31 | Vortex internal detection device for integration of micro pipeline probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023324058.1U CN214310303U (en) | 2020-12-31 | 2020-12-31 | Vortex internal detection device for integration of micro pipeline probe |
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| Publication Number | Publication Date |
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| CN214310303U true CN214310303U (en) | 2021-09-28 |
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| CN202023324058.1U Active CN214310303U (en) | 2020-12-31 | 2020-12-31 | Vortex internal detection device for integration of micro pipeline probe |
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