CN215598359U - Pipe internal coating thickness measuring device - Google Patents
Pipe internal coating thickness measuring device Download PDFInfo
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- CN215598359U CN215598359U CN202121650967.6U CN202121650967U CN215598359U CN 215598359 U CN215598359 U CN 215598359U CN 202121650967 U CN202121650967 U CN 202121650967U CN 215598359 U CN215598359 U CN 215598359U
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Abstract
The utility model relates to a device for measuring the thickness of a coating in a pipe, which comprises a walking power mechanism, a detection rod, a centralizing support mechanism, a combined probe and a control system, wherein two ends of the detection rod are respectively connected with the walking power mechanism and the combined probe, the centralizing support mechanism is arranged on the detection rod and the combined probe and is positioned on the inner wall of an oil pipe, and the control system controls the walking power mechanism to move forwards or backwards and acquires measurement data measured by the combined probe. The device can realize the thickness measurement of the coating of the whole pipe section, more accurately identify the uniform coating condition of the coating, facilitate the control of the coating quality and provide data support for process optimization; meanwhile, the rapid detection can be realized, the identification efficiency of the problem pipe is improved, and the production efficiency is further improved.
Description
Technical Field
The utility model relates to thickness detection of a coating, in particular to a device for measuring the thickness of the coating in a pipe.
Background
The oil pipe for the oil well has the characteristics of small inner diameter and long pipe body, the thickness detection of the coating in the oil pipe at present mostly adopts a handheld coating thickness meter to carry out manual sampling detection, the detector consists of a front-end thickness detection probe and a handheld handle, a worker holds the handheld handle to stretch the detection probe into the pipe for thickness detection, the holding angle and the holding force of the worker directly influence the accuracy of a measured value, the maximum length of the handheld handle is 1m, the measurement of the thickness of the coating in the range of 1m can only be realized in the pipe end, and the thickness measurement of the whole pipe section cannot be realized.
Therefore, in order to realize the rapid measurement of the coating thickness of the whole pipe section in the oil pipe, the utility model provides a device for measuring the coating thickness in the pipe.
Disclosure of Invention
Utility model purpose: in order to overcome the defects in the prior art, the utility model provides a device for measuring the thickness of a coating in a pipe, which can realize the thickness measurement of the coating in a whole pipe section, more accurately identify the uniform coating condition of the coating, facilitate the control of the coating quality and provide data support for process optimization; meanwhile, the rapid detection can be realized, the identification efficiency of the problem pipe is improved, and the production efficiency is further improved.
The technical scheme is as follows: an in-pipe coating thickness measuring device comprising:
a walking power mechanism, a detection rod, a righting support mechanism, a combined probe and a control system,
two ends of the detection rod are respectively connected with the walking power mechanism and the combined probe,
the righting and supporting mechanism is arranged on the detection rod and the combined probe and is positioned on the inner wall of the oil pipe,
the control system controls the walking power mechanism to move forward or backward and obtains the measurement data measured by the combined probe.
Preferably, the walking power mechanism can move forward or backward on the track, so as to drive the detection rod and the combined probe to enter or exit the oil pipe.
Preferably, the length of the detection rod is the same as that of the oil pipe.
Preferably, the number of the centralizing support mechanisms is 4-5, and the centralizing support mechanisms are uniformly distributed, so that the combined probe and the oil pipe are coaxial. More preferably, the righting support mechanism is a roller or elastic righting block structure.
Preferably, the combined probe consists of a thickness measuring head, an elastic resetting piece, a probe supporting tube, a rotary supporting mechanism and a data transmission line,
the tail part of the thickness measuring head is provided with a through hole, and the rear end of the thickness measuring head is connected with the elastic resetting piece and is uniformly distributed on the probe supporting tube in a circumferential manner; the front end of the rotary supporting mechanism adopts a conical structure and can rotate forwards or backwards along the axial direction, and the data transmission line is used for transmitting data measured by the thickness measuring head.
Further, a plurality of thickness measuring heads can be installed, and the specific number of the thickness measuring heads is determined according to the number of data to be measured.
The device measures the thickness of the coating in the pipe by the following steps:
(1) before measurement, the rotary supporting mechanism should advance to the maximum displacement position in a rotating mode, so that the thickness measuring head is in a recovery state;
(2) during measurement, the walking power mechanism drives the detection rod to drive the combined probe 4 to enter the oil pipe, the combined probe always keeps coaxial with the oil pipe under the assistance of the righting supporting mechanism, after walking to a target detection point, the rotating supporting mechanism rotates and retreats, the thickness measuring head stretches out to the inner wall of the oil pipe under the action of the elastic resetting piece to measure, meanwhile, the measured data is transmitted to the control system through a data transmission line, and the control system can obtain multiple groups of thickness measured data simultaneously.
(3) After measurement, the rotary supporting mechanism rotates and advances to the position of maximum displacement, so that the thickness measuring head is in a recovery state, at the moment, the detection rod and the combined probe can continue to walk to the next measuring point under the driving action of the walking power mechanism for thickness measurement, and the operation is repeated until a complete oil pipe is measured.
Has the advantages that: the utility model discloses a device for measuring the thickness of a coating in a pipe, which has the following beneficial effects:
(1) the combined probe recovers the thickness measuring head to protect the combined probe when walking, and can realize simultaneous multi-point measurement of the same diameter surface during measurement, thereby improving the measurement efficiency and ensuring the measurement precision;
(2) the walking power mechanism, the righting support mechanism and the probe support tube act together to ensure the coaxiality of the combined probe and realize the thickness measurement of any tube section;
(3) the uniform coating condition of the coating is accurately identified, the coating quality is convenient to control, and data support is provided for process optimization;
(4) the identification efficiency of the problem pipe is improved, and the production efficiency is further improved.
Drawings
FIG. 1 is a schematic view showing the structure of a device for measuring the thickness of a coating layer in a pipe according to the present invention;
FIG. 2 is a schematic structural view of the combined probe of the present invention;
wherein:
1-walking power mechanism 2-detection rod
3-centralizing supporting mechanism
4-combined probe
41-thickness measuring head 42-elastic reset piece
43-probe supporting tube 44-rotary supporting mechanism
45-data transmission line
5-control system 6-oil pipe
The specific implementation mode is as follows:
the following describes in detail specific embodiments of the present invention.
As shown in fig. 1-2, the present invention provides a tube inner coating thickness measuring device, comprising:
a walking power mechanism 1, a detection rod 2, a righting support mechanism 3, a combined probe 4 and a control system 5,
two ends of the detection rod 2 are respectively connected with the walking power mechanism 1 and the combined probe 4,
the righting and supporting mechanism 3 is arranged on the detection rod 2 and the combined probe 4 and is positioned on the inner wall of the oil pipe 6,
the control system 5 controls the walking power mechanism 1 to move forward or backward, and obtains the measurement data measured by the combined probe 4.
Further, the walking power mechanism 1 can move forward or backward on the track, so as to drive the detection rod 2 and the combined probe 4 to enter or exit the oil pipe 6.
Further, the length of the detection rod 2 is the same as that of the oil pipe 6.
Furthermore, the number of the centralizing and supporting mechanisms 3 is 4-5, and the centralizing and supporting mechanisms are uniformly distributed, so that the combined probe 4 and the oil pipe 6 are coaxial. Furthermore, the righting supporting mechanism 3 is a roller or an elastic righting block structure.
Further, the combined probe 4 is composed of a thickness measuring head 41, an elastic restoring member 42, a probe supporting tube 43, a rotary supporting mechanism 44 and a data transmission line 45,
the tail part of the thickness measuring head 41 is provided with a through hole, the rear end is connected with the elastic resetting piece 42 and is uniformly distributed on the probe supporting tube 43 in a circumference way; the front end of the rotary supporting mechanism 44 is in a conical structure and can rotate forwards or backwards along the axial direction, and the data transmission line 45 is used for transmitting data measured by the thickness measuring head 41.
Further, the thickness measuring head 41 may be installed in plural numbers, the specific number of which is determined according to the number of data to be measured.
When the elastic reset piece 42 acts, the thickness measuring heads 41 can extend out to the inner wall of the oil pipe 6 under the elastic action, and the probe supporting pipe 43 can ensure the coaxiality of the plurality of thickness measuring heads 41.
The front end of the rotary supporting mechanism 44 adopts a conical structure and can rotate forwards or backwards, when the rotary supporting mechanism 44 rotates forwards, the conical structure moves forwards in a hole at the tail part of the thickness measuring head 41, and the elastic resetting piece 42 is compressed to enable the thickness measuring head 41 to be recovered and leave the inner wall of the oil pipe 6; when the rotary support mechanism 44 rotates backward, the cone structure moves backward in the hole at the tail of the thickness measuring head 41, and the thickness measuring head 41 protrudes out to the inner wall of the oil pipe 6 under the action of the elastic reset piece 42.
The device measures the thickness of the coating in the pipe by the following steps:
(1) before measurement, the rotary support mechanism 44 should advance to the maximum displacement position in a rotary manner, so that the thickness measuring head 41 is in a recovery state;
(2) during measurement, the walking power mechanism 1 drives the detection rod 2 to drive the combined probe 4 to enter the oil pipe 6, the combined probe 4 is always kept coaxial with the oil pipe 6 under the assistance of the righting support mechanism 3, the rotary support mechanism 44 rotates and retreats after walking to a target detection point, the thickness measuring head 41 is extended out to the inner wall of the oil pipe 6 under the action of the elastic reset piece 42 to carry out measurement, meanwhile, the measured data is transmitted to the control system 4 through the data transmission line 5, and the control system 4 can obtain a plurality of groups of thickness measuring data at the same time;
(3) after the measurement, the rotary support mechanism 44 is rotationally advanced to the maximum displacement position, so that the thickness measuring head 41 is in the retracted state. At the moment, the detection rod 2 and the combined probe 4 can continue to walk to the next measurement point under the driving action of the walking power mechanism 1 for thickness measurement, and the operation is repeated until a complete oil pipe is measured.
The utility model can realize the thickness measurement of the coating of the whole pipe section, more accurately identify the uniform coating condition of the coating, facilitate the control of the coating quality and provide data support for the process optimization; meanwhile, the rapid detection can be realized, the identification efficiency of the problem pipe is improved, and the production efficiency is further improved. Therefore, the device can be widely applied to the rapid and accurate measurement of the thickness of the oil pipe coating.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. A tube inner coating thickness measuring device, comprising:
a walking power mechanism, a detection rod, a righting support mechanism, a combined probe and a control system,
two ends of the detection rod are respectively connected with the walking power mechanism and the combined probe,
the righting and supporting mechanism is arranged on the detection rod and the combined probe and is positioned on the inner wall of the oil pipe,
the control system controls the walking power mechanism to move forward or backward and obtains the measurement data measured by the combined probe.
2. The apparatus for measuring the thickness of a coating in a pipe of claim 1, wherein: the walking power mechanism can move forward or backward on the track, so that the detection rod and the combined probe are driven to enter or exit the oil pipe.
3. The apparatus for measuring the thickness of a coating in a pipe of claim 1, wherein: the number of the centralizing and supporting mechanisms is 4-5, and the centralizing and supporting mechanisms are uniformly distributed, so that the combined probe and the oil pipe are coaxial.
4. A pipe internal coating thickness measuring device as claimed in claim 1 or 3, wherein: the righting supporting mechanism adopts a roller or an elastic righting block structure.
5. The apparatus for measuring the thickness of a coating in a pipe of claim 1, wherein: the length of the detection rod is the same as that of the oil pipe.
6. The apparatus for measuring the thickness of a coating in a pipe of claim 1, wherein: the combined probe consists of a thickness measuring head, an elastic reset piece, a probe supporting tube, a rotary supporting mechanism and a data transmission line,
the tail part of the thickness measuring head is provided with a through hole, and the rear end of the thickness measuring head is connected with the elastic resetting piece and is uniformly distributed on the probe supporting tube in a circumferential manner; the front end of the rotary supporting mechanism adopts a conical structure and can rotate forwards or backwards along the axial direction, and the data transmission line is used for transmitting data measured by the thickness measuring head.
7. The apparatus for measuring the thickness of a coating in a pipe of claim 6, wherein: the thickness measuring head can be provided with a plurality of measuring heads, and the specific number of the measuring heads is determined according to the number of data to be measured.
Priority Applications (1)
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CN202121650967.6U CN215598359U (en) | 2021-07-20 | 2021-07-20 | Pipe internal coating thickness measuring device |
Applications Claiming Priority (1)
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CN202121650967.6U CN215598359U (en) | 2021-07-20 | 2021-07-20 | Pipe internal coating thickness measuring device |
Publications (1)
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CN215598359U true CN215598359U (en) | 2022-01-21 |
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CN202121650967.6U Active CN215598359U (en) | 2021-07-20 | 2021-07-20 | Pipe internal coating thickness measuring device |
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2021
- 2021-07-20 CN CN202121650967.6U patent/CN215598359U/en active Active
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