CN214369370U - Probe follow-up device for detection in pipeline - Google Patents
Probe follow-up device for detection in pipeline Download PDFInfo
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- CN214369370U CN214369370U CN202023303457.XU CN202023303457U CN214369370U CN 214369370 U CN214369370 U CN 214369370U CN 202023303457 U CN202023303457 U CN 202023303457U CN 214369370 U CN214369370 U CN 214369370U
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- pipeline
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- support arm
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Abstract
The utility model discloses a probe follow-up device for detecting in a pipeline, which comprises a flexible connecting part and a follow-up mechanism part which are connected through a connecting component; the servo mechanism part comprises a front rigid connecting sleeve and a rear rigid connecting sleeve which are arranged along the axial direction of the pipeline to be detected, a spring assembly and a plurality of rotatable support arm groups are arranged between the front rigid connecting sleeve and the rear rigid connecting sleeve, and each support arm group is provided with a probe assembly corresponding to the pipeline to be detected; the flexible connecting part is provided with a power port assembly at one end far away from the follow-up mechanism part. The utility model ensures that the angle of the ultrasonic detection probe in the follow-up process is always perpendicular to the pipe wall, thereby improving the passing performance and the detection stability of the follow-up structure and improving the working quality and the efficiency; and the whole structure of the structure can be deformed to adapt to the change of the internal space and the shape of the pipeline, and the full-coverage accurate scanning detection of the whole circumference of the pipeline in the rotating, advancing and turning processes of the ultrasonic detection probe is realized.
Description
Technical Field
The utility model belongs to the technical field of the pipeline ultrasonic testing, concretely relates to probe servo-device that detects in pipeline.
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 traditional ultrasonic pipeline corrosion detection adopts a single probe to perform local single-point detection outside a pipeline, has a small detection range, cannot obtain the overall corrosion condition of the pipeline, and has limited detection capability. Meanwhile, the external space of the pipeline is complex, which causes great difficulty to the implementation of pipeline corrosion detection, and sometimes even external detection cannot be performed. Especially in the field of micro pipeline corrosion internal detection, due to the small diameter and large curvature of the micro pipeline, the requirement of ultrasonic probe directivity for corrosion internal detection by utilizing ultrasound is strict, if the emitted sound beam of the probe cannot be kept perpendicular to the tangent of the wall part of the pipeline, the detection precision can be influenced, even the detection cannot be caused, at present, the probe structure for pipeline ultrasonic internal detection has the problems of low precision of ultrasonic internal detection, detection omission and the like due to the fact that the stability is insufficient, particularly the direction of the probe when the probe passes through a pipeline elbow cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a probe servo device that detects in pipeline has solved the probe structure that detects in the present pipeline supersound because its stability is not enough, and the precision that leads to ultrasonic testing is not high, leak the problem of examining.
The technical proposal adopted by the utility model is that,
a probe follow-up device for in-pipeline detection comprises a flexible connecting part and a follow-up mechanism part which are connected through a connecting component;
the servo mechanism part comprises a rigid connecting sleeve set arranged along the axial direction of the pipeline to be detected, the rigid connecting sleeve set comprises a front rigid connecting sleeve and a rear rigid connecting sleeve, a spring assembly and a plurality of rotatable support arm groups are arranged between the front rigid connecting sleeve and the rear rigid connecting sleeve, each support arm group is provided with a probe assembly corresponding to the pipeline to be detected, and the probe assemblies are connected with a buffer assembly through detachable lock catches;
the flexible connecting part is provided with a power port assembly at one end far away from the follow-up mechanism part, and under the condition that the power port assembly is connected with the pipeline detector main body, the flexible connecting part drives the follow-up mechanism part to move so as to carry out ultrasonic detection on a pipeline to be detected.
The utility model is also characterized in that,
the flexible connection part comprises a flexible connector, the flexible connector and the power port assembly are of an integrated structure, the connecting assembly comprises a connecting steel seat, one end of the connecting steel seat is connected with the flexible connector through a rear end connecting bolt, and the other end of the connecting steel seat is connected with a front rigid connecting sleeve.
The power port assembly comprises a power connecting seat, a power connecting port is formed in the power connecting seat, and a front end connecting bolt used for connecting the pipeline detector main body to be connected is arranged on the power connecting seat.
Each support arm group comprises a front support arm and a rear support arm, one end of the front support arm is connected with the front rigid connecting sleeve through a front rotating shaft, the other end of the front support arm is connected with one end of the rear support arm through a support arm rotating shaft, and the other end of the rear support arm is connected with the rear rigid connecting sleeve through a rear rotating shaft; wherein, the support arm rotating shaft is arranged on the probe assembly.
The probe assembly comprises an ultrasonic probe fixing frame, and the buffer assembly is provided with a fixing bolt corresponding to the detachable lock catch.
The buffering assembly comprises a ball fixing seat, a ball is arranged in the ball fixing seat, and the ball rotates in the ball fixing seat through friction with a pipe wall of the pipeline to be detected under the condition that the probe follow-up structure moves along the pipeline to be detected.
The spring assembly comprises a spring, a front spring clamping hole is formed in one end, corresponding to the spring, of the front rigid connecting sleeve, a rear spring clamping hole is formed in the other end, corresponding to the spring, of the rear rigid connecting sleeve, two ends of the spring are correspondingly arranged in the front spring clamping hole and the rear spring clamping hole, the spring is flexibly controlled through a supporting arm group under the condition that the probe follow-up structure moves along the pipeline to be detected, and therefore the probe assembly and the angle of the pipeline to be detected are fixed.
The flexible connecting part is made of polyurethane material.
The utility model has the advantages that: the utility model relates to a probe servo device that detects in pipeline, through carrying out that ultrasonic detection probe is fixed and rotatory follow-up, overall structure flexible to adapt to the space variation, in order to guarantee in the pipeline supersound testing process, the probe is rotatory along with the detector motor and keeps perpendicular with the pipe wall, thereby realizes that the ultrasonic detection probe scans the detection to the whole full coverage of pipeline, guarantees the precision that detects in the supersound of corroding simultaneously.
Drawings
Fig. 1 is a schematic structural view of a probe servo device for in-line detection according to the present invention;
fig. 2 is a schematic structural diagram of a probe assembly in a probe follow-up device for in-line detection according to the present invention.
In the figure, 1, a front end connecting bolt, 2, a flexible connecting body, 3, a connecting steel seat, 4, a front rigid connecting sleeve, 5, a front supporting arm, 6, an ultrasonic probe fixing frame, 7, a ball fixing seat, 8, a ball, 9, a front connecting pin hole, 10, a front spring clamping hole, 11, a spring, 12, a front rotating shaft, 13, a rear supporting arm, 14, a rear connecting pin hole, 15, a rear rotating shaft, 16, a rear rigid connecting sleeve, 17, a fixing bolt, 18, a rear spring clamping hole, 19, a power connecting port, 20, a power connecting seat, 21, a rear end connecting bolt, 22, a supporting arm rotating shaft and 23 are detachable latches.
Detailed Description
The following describes the probe servo device for in-line detection according to the present invention in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and 2, a probe follow-up device for in-line detection comprises a flexible connecting part and a follow-up mechanism part which are connected through a connecting component;
the servo mechanism part comprises a rigid connecting sleeve set arranged along the axial direction of the pipeline to be detected, the rigid connecting sleeve set comprises a front rigid connecting sleeve 4 and a rear rigid connecting sleeve 16, a spring assembly and a plurality of rotatable support arm groups are arranged between the front rigid connecting sleeve 4 and the rear rigid connecting sleeve 16, each support arm group is provided with a probe assembly corresponding to the pipeline to be detected, and the probe assemblies are connected with a buffer assembly through detachable buckles 23;
the flexible connecting part is provided with a power port assembly at one end far away from the follow-up mechanism part, and under the condition that the power port assembly is connected with the pipeline detector main body, the flexible connecting part drives the follow-up mechanism part to move so as to carry out ultrasonic detection on a pipeline to be detected.
Further, the flexible connection part comprises a flexible connection body 2, the flexible connection body 2 and the power port assembly are of an integrated structure, the connection assembly comprises a connection steel base 3, one end of the connection steel base 3 is connected with the flexible connection body 2 through a rear end connection bolt 21, and the other end of the connection steel base 3 is connected with a front rigid connection sleeve 4.
The utility model relates to a probe servo device's that detects in pipeline flexible connector 2 sets up to the cockscomb structure in its outside, and the cockscomb structure shape has increased its deformability, can guarantee to pass through smoothly through self deformation when passing through return bend or reducing pipeline. The front end and the rear end of the flexible connecting body 2 are provided with connecting holes for connecting and fixing bolts;
further, the power port assembly comprises a power connecting base 20, the power connecting base 20 is provided with a power connecting port 19, and the power connecting base 20 is provided with a front end connecting bolt 1 for connecting the detector body of the pipeline to be connected.
Furthermore, each support arm group comprises a front support arm 5 and a rear support arm 13, one end of the front support arm 5 is connected with the front rigid connecting sleeve 4 through a front rotating shaft 12, the other end of the front support arm 5 is connected with one end of the rear support arm 13 through a support arm rotating shaft 22, and the other end of the rear support arm 13 is connected with the rear rigid connecting sleeve 16 through a rear rotating shaft 15; wherein the arm pivot 22 is disposed on the probe assembly. A stacking structure is presented between the arm groups;
further, the probe assembly comprises an ultrasonic probe fixing frame 6, and the buffer assembly is provided with a fixing bolt 17 corresponding to the detachable lock catch.
Further, the buffering assembly comprises a ball fixing seat 7, a ball 8 is arranged in the ball fixing seat 7, and under the condition that the probe follow-up structure moves along the pipeline to be detected, the ball 8 rotates in the ball fixing seat 7 through friction with the pipe wall.
Further, spring unit includes spring 11, preceding rigid connection cover 4 is provided with preceding spring card hole 10 corresponding to spring 11's one end, and back rigid connection cover 16 is provided with back spring card hole 18 corresponding to spring 11's the other end, and the both ends correspondence of spring 11 sets up in preceding spring card hole 10 and back spring card hole 18, and under the follow-up structure is in the condition along waiting to detect the pipeline motion, spring 11 is through with the flexible control of armset to make probe unit and wait to detect the angle of pipeline fixed.
The utility model relates to a probe servo device's of detecting in pipeline 3 material stainless steels of connecting steel seat for connect flexible connector 2 and follow-up structure, the rear end of connecting steel seat 3 has the external screw thread for the axialmode and processing, and tip processing has a preceding spring clip hole 10, is used for coupling spring 11.
Further, the flexible connecting part is made of polyurethane material.
The utility model relates to a preceding rigid connection cover 4 and back rigid connection cover 16 that are used for detecting in the small pipeline are the material stainless steel, set up respectively in the front end and the rear end of structure respectively, and all processed and have connected the pinhole for connect the armlet group. The rigid connecting sleeve is integrally of a cross structure, a through hole is formed in the middle of the rigid connecting sleeve, internal threads are machined in the through hole, and the rigid connecting sleeve is fixedly connected with shaft end threads of the connecting steel seat 3 through the through hole, so that the servo mechanism is connected with and fixed to the front-end pipeline detector.
The probe follow-up structure comprises four groups of support arms, namely four front support arms 5 and four rear support arms 13, wherein the front support arms 5 and the rear support arms 13 in each group of support arm group are matched and extend through a support arm rotating shaft 22, a front rotating shaft 12, a rear rotating shaft 15 and a spring 11; the number of the probe components is four, and each support arm group supports the ultrasonic probe fixing frame 6, so that two balls 8 at the front end of the ultrasonic probe fixing frame 6 are in contact with the inner wall of the pipeline to be detected, and the angle of the ultrasonic detection probe is kept unchanged in the rotation process. Meanwhile, each support arm group forms a V shape, and the connecting part can rotate, so that the whole structure can deform to adapt to space change when bent pipes or deformed.
The ultrasonic probe fixing frame 6 is used for fixing an ultrasonic detection probe, and a through hole is formed in the ultrasonic probe fixing frame and used for embedding and fixing the probe. Two sides of the ultrasonic probe fixing frame are respectively provided with an installation lifting lug for installing the ball fixing seat 7, and the two lifting lugs and the end part three of the ultrasonic probe fixing frame 6 are at the same horizontal position so as to ensure that the angle of the ultrasonic detection probe in the follow-up process is always vertical to the pipe wall.
The ball fixing seat 7 is installed on the ultrasonic probe fixing frame 6 through a fixing bolt 17 and used for fixing the ball 8.
The front rotating shaft 12 is provided with a front connecting pin hole 9 on the front rigid connecting sleeve 4, the rear rotating shaft 15 is provided with a rear connecting pin hole 14 on the rear rigid connecting sleeve 16, and the front connecting pin hole 9 and the rear connecting pin hole 14 have basically the same structure and are used for connecting each group of front supporting arms 5 and rear supporting arms 13.
The front spring clamping hole 10 and the rear spring clamping hole 18 are basically the same in structure and are arranged at two ends of the follow-up mechanism and used for connecting the spring 11.
The supporting arm group of the follow-up mechanism is tensioned through the spring 11, so that the probe assembly at the front end of the supporting arm is in close contact with the pipe wall, and the spring 11 can stretch and retract if bent pipes or deformation occurs in the follow-up process, thereby adapting to the deformation of the whole follow-up structure and ensuring the passing performance and the detection stability of the follow-up structure.
The utility model relates to a probe servo device's that detects in pipeline working process does: the inspection is whole in this mechanism that the composite set was good in advance, the integrity of testing individual part, detect intact back with this structure connecting pipe detector main part, then put into this structure and wait to detect in the pipeline, the axial displacement of pipeline is waiting to detect the pipeline to this structure of pipeline detector main part promotion through its power part, and drive this structure at the circumferential direction of pipeline, simultaneously, pipeline detector main part and ultrasonic probe cooperation are to waiting to detect the pipeline and carry out ultrasonic detection, after the detection is accomplished, take out this structure, arrange in order the scene and the pipeline after the detection, so far, the utility model relates to a probe follow-up device's that detects in the pipeline work is accomplished.
The utility model relates to a probe servo device for detecting in a pipeline, which improves the passing property and the detection stability of a servo structure and improves the working quality and the efficiency by ensuring that the angle of an ultrasonic detection probe in the servo process is always vertical to the pipe wall; and the whole structure of the structure can be deformed to adapt to the change of the internal space and the shape of the pipeline, and the full-coverage accurate scanning detection of the whole circumference of the pipeline in the rotating, advancing and turning processes of the ultrasonic detection probe is realized.
Claims (8)
1. A probe follow-up device for in-pipeline detection is characterized by comprising a flexible connecting part and a follow-up mechanism part which are connected through a connecting component;
the servo mechanism part comprises a rigid connecting sleeve set arranged along the axial direction of a pipeline to be detected, the rigid connecting sleeve set comprises a front rigid connecting sleeve (4) and a rear rigid connecting sleeve (16), a spring assembly and a plurality of rotatable support arm groups are arranged between the front rigid connecting sleeve (4) and the rear rigid connecting sleeve (16), each support arm group is provided with a probe assembly corresponding to the pipeline to be detected, and the probe assemblies are connected with a buffer assembly through detachable lock catches (23);
the flexible connection part is provided with a power port assembly at one end far away from the follow-up mechanism part, and under the condition that the power port assembly is connected with the driving structure, the flexible connection part drives the follow-up mechanism part to move so as to carry out ultrasonic detection on the pipeline to be detected.
2. The probe follow-up device for in-pipeline detection according to claim 1, wherein the flexible connection part comprises a flexible connection body (2), the flexible connection body (2) and the power port assembly are of an integral structure, the connection assembly comprises a connection steel base (3), one end of the connection steel base (3) is connected with the flexible connection body (2) through a rear end connection bolt (21), and the other end of the connection steel base (3) is connected with a front rigid connection sleeve (4).
3. The probe follow-up device for in-pipeline detection according to claim 1, wherein the power port assembly comprises a power connecting base (20), the power connecting base (20) is provided with a power connecting port (19), and the power connecting base (20) is provided with a front end connecting bolt (1) for connecting a to-be-connected pipeline detector main body.
4. The probe follow-up device for in-pipeline detection according to claim 1, wherein each support arm group comprises a front support arm (5) and a rear support arm (13), one end of the front support arm (5) is connected with the front rigid connecting sleeve (4) through a front rotating shaft (12), the other end of the front support arm (5) is connected with one end of the rear support arm (13) through a support arm rotating shaft (22), and the other end of the rear support arm (13) is connected with the rear rigid connecting sleeve (16) through a rear rotating shaft (15); wherein, the support arm rotating shaft (22) is arranged on the probe assembly.
5. The probe follow-up device for in-pipeline detection according to claim 1, wherein the probe assembly comprises an ultrasonic probe fixing frame (6), and the buffer assembly is provided with a fixing bolt (17) corresponding to the detachable lock catch.
6. The probe follow-up device for in-pipeline detection according to claim 5, wherein the buffer assembly comprises a ball fixing seat (7), a ball (8) is arranged in the ball fixing seat (7), and under the condition that the probe follow-up structure moves along the pipeline to be detected, the ball (8) rotates in the ball fixing seat (7) through friction with the pipe wall of the pipeline to be detected.
7. The probe follow-up device for in-pipeline detection according to claim 1, wherein the spring assembly comprises a spring (11), one end of the front rigid connecting sleeve (4) corresponding to the spring (11) is provided with a front spring clamping hole (10), the other end of the rear rigid connecting sleeve (16) corresponding to the spring (11) is provided with a rear spring clamping hole (18), two ends of the spring (11) are correspondingly arranged in the front spring clamping hole (10) and the rear spring clamping hole (18), and in the case that the probe follow-up structure moves along the pipeline to be detected, the spring (11) is flexibly controlled by the support arm set so as to fix the angle between the probe assembly and the pipeline to be detected.
8. The probe follower for in-line testing of any one of claims 1 to 7 wherein the flexible coupling is a polyurethane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023303457.XU CN214369370U (en) | 2020-12-30 | 2020-12-30 | Probe follow-up device for detection in pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023303457.XU CN214369370U (en) | 2020-12-30 | 2020-12-30 | Probe follow-up device for detection in pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN214369370U true CN214369370U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023303457.XU Active CN214369370U (en) | 2020-12-30 | 2020-12-30 | Probe follow-up device for detection in pipeline |
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| Country | Link |
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| CN (1) | CN214369370U (en) |
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- 2020-12-30 CN CN202023303457.XU patent/CN214369370U/en active Active
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