CN214201281U - Pipeline electric spark detector - Google Patents
Pipeline electric spark detector Download PDFInfo
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- CN214201281U CN214201281U CN202120284396.2U CN202120284396U CN214201281U CN 214201281 U CN214201281 U CN 214201281U CN 202120284396 U CN202120284396 U CN 202120284396U CN 214201281 U CN214201281 U CN 214201281U
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- pipeline
- support frame
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- electric spark
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Abstract
The utility model discloses a pipeline electric spark detector, include the probe with the contact of pipeline inner wall, still including walking running gear, haulage rope and drive division, should walk running gear and this probe and can dismantle and be connected, should walk running gear disposes a plurality of gyro wheels, this gyro wheel and this pipeline inner wall roll connection, and this haulage rope one end is fixed with this walking running gear, and this drive division of this haulage rope other end is connected, and the outside of this pipeline is located to this drive division, and this drive division is used for this haulage rope of rolling. The utility model discloses can satisfy the pinhole test detection demand of small-bore long pipeline inner wall anticorrosive coating.
Description
Technical Field
The utility model relates to an electric spark detects technical field, particularly, relates to a pipeline electric spark detector.
Background
The electric spark detector is also called an electric spark leakage detector, an electric spark leakage detector and the like. The instrument is mainly used for detecting whether the thick non-conductive matrix on the metal base material has the defects of pinholes (also called pinhole test), sand holes and the like. The instrument comprises a host, a high-voltage probe and a probe, wherein a certain amount of pulse high voltage is added on the surface of the anti-corrosion heat-insulation pipeline, if an anti-corrosion layer is too thin, metal leaks or an air leakage pinhole exists, when the pulse high voltage passes through, an air gap is formed to be punctured to generate a spark discharge point, and meanwhile, the aim of detecting the anti-corrosion heat-insulation pipeline is fulfilled by sound and light alarm.
The patent is provided with a probe connecting device, a detection handle and a plurality of probes, wherein the probe connecting device is of a hollow cylindrical structure, the probes are distributed around the probe connecting device, the detection handle is arranged at the circle center of the probe connecting device, the probes are provided with detection brushes, an operator puts the electric spark detection device into a pipeline, the detection brushes are in contact with the inner wall of the pipeline, and the operator holds the detection handle to drive the electric spark detection device to move in the pipeline so as to realize the detection of lining rubber on the inner wall of the pipeline.
However, for a small-caliber long pipeline with the caliber of 50mm or less and the length of 6-8m, the above patent is not suitable for the detection of the inner wall of the small-caliber long pipeline and cannot meet the detection requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pipeline electric spark detector, it designs to pipeline electric spark detector, can satisfy the pinhole test detection demand of the long pipeline inner wall anticorrosive coating of small-bore.
The embodiment of the utility model discloses a realize through following technical scheme:
the utility model provides a pipeline electric spark detector, includes the probe with the contact of pipeline inner wall, still includes capable device, haulage rope and drive division, and this capable device can dismantle with this probe and be connected, should walk the device and dispose a plurality of gyro wheels, and this gyro wheel and this pipeline inner wall roll connection, this haulage rope one end is fixed with this capable device of walking, and this drive division of this haulage rope other end is connected, and the outside of this pipeline is located to this drive division, and this drive division is used for rolling this haulage rope.
In an embodiment of the present invention, the traveling device includes an insulating support frame and a plurality of roller connection portions, the insulating support frame and the probe can be detached from the connection, the center of the insulating support frame is the array center, a plurality of the roller connection portions are circumferentially arrayed at the edge of the insulating support frame, and the roller connection portions are connected to the rollers.
In an embodiment of the present invention, the roller connecting portion includes a sleeve, a spring and a connecting rod, one end of the sleeve is configured as an open end, the other end of the sleeve is configured as a blind end, the blind end is configured with a through hole, the open end of the sleeve is fixed to the insulating support frame, one end of the connecting rod is inserted into the sleeve through the through hole, the other end of the connecting rod is connected with the roller, the spring is arranged in the sleeve, one end of the spring abuts against the insulating support frame, and the other end of the spring abuts against the connecting rod.
In an embodiment of the present invention, the probe includes an insulating probe support frame and a straight carbon brush ring contacting with the inner wall of the pipeline, the straight carbon brush ring is sleeved on the insulating probe support frame, and the straight carbon brush is fixed on the edge of the insulating probe support frame.
In an embodiment of the present invention, the difference between the outer diameter of the straight carbon brush ring and the inner diameter of the pipeline is d.
In an embodiment of the present invention, a metal sleeve is disposed at an edge of the insulating probe supporting frame, and the straight carbon brush ring is fixed to the metal sleeve.
In an embodiment of the present invention, the driving portion is configured as a reel.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
the embodiment of the utility model provides a set up and walk the running gear, the haulage rope and the drive division that is used for the rolling haulage rope, it is connected to walk the running gear with this to probe, this walk the running gear disposes a plurality of gyro wheels, this haulage rope one end is fixed with this walking running gear, this haulage rope one end is connected with the outer drive division of pipeline, being 50mm and following in the diameter, length is 6-8 m's small-bore long pipeline carries out the pinhole test of inner wall anticorrosive coating and examines time measuring, put into the pipeline with walking the one end of running gear from the pipeline, place the other end of pipeline in with the drive division, and the haulage rope is worn out to this drive division from the pipeline, the outer drive division rolling haulage rope of pipeline, utilize this haulage rope drive to walk the running gear in the pipeline, be convenient for the probe to the pinhole test detection of pipeline inner wall anticorrosive coating, the pinhole test detection demand of small-bore long pipeline inner wall anticorrosive coating has been satisfied.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of the present invention in use;
FIG. 2 is a schematic view of the structure of the present invention and the pipeline when not in use;
FIG. 3 is a schematic structural view of a roller connecting portion of the present invention;
FIG. 4 is a right side view of the present invention;
fig. 5 is a left side view of the present invention;
fig. 6 is a schematic diagram of the middle insulation probe support frame of the present invention connected to the insulation support frame through a bolt.
Icon: 1-probe, 11-insulating probe support frame, 12-straight carbon brush ring, 13-straight carbon brush, 14-metal sleeve, 2-running gear, 21-insulating support frame, 22-roller connecting part, 221-sleeve, 222-spring, 223-connecting rod, 23-roller, 3-traction rope, 4-driving part, 5-main engine and 6-cable.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the directions or positional relationships indicated by the terms "inside" and "outside" are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be interpreted as a limitation of the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "configured," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 6, a pipeline electric spark detector includes a probe 1 contacting with an inner wall of a pipeline, and further includes a running device 2, a hauling rope 3 and a driving part 4, the running device 2 is detachably connected with the probe 1, the running device 2 is configured with a plurality of rollers 23, the rollers 23 are in rolling connection with the inner wall of the pipeline, one end of the hauling rope 3 is fixed with the running device 2, the other end of the hauling rope 3 is connected with the driving part 4, the driving part 4 is arranged outside the pipeline, and the driving part 4 is used for rolling the hauling rope 3.
In order to meet the requirements of pinhole test detection of an anticorrosive coating on the inner wall of a small-caliber long pipeline with the caliber of 50mm or less and the length of 6-8m, the technical scheme is provided with a walking device 2, a traction rope 3 and a driving part 4. The driving unit 4 is configured as a reel, and the driving unit 4 may have another structure that allows the traction rope 3 to be wound. The running gear 2 comprises an insulating support frame 21 and a plurality of roller connecting parts 22, the insulating support frame 21 is detachably connected with the probe 1, if a threaded hole is formed in the probe 1, a threaded rod is arranged on the insulating support, and the insulating support frame 21 is connected with the probe 1 through the threaded rod and the threaded hole, as shown in fig. 6. The insulating support frame 21 and the probe 1 can also be connected by other detachable connection modes. The center of the insulating support frame 21 is used as an array center, a plurality of roller connecting parts 22 are circumferentially arrayed at the edge of the insulating support frame 21, the roller connecting parts 22 are connected with the rollers 23, and the roller connecting parts 22 can adopt structures such as connecting blocks with threaded holes and the like so as to realize the installation of the rollers 23. In this embodiment, the insulating support frame 21 is made of a high-strength insulating material and has a circular structure, and a plurality of rollers 23 are circumferentially arrayed on the edge of the insulating support frame 21. The roller connecting portion 22 includes a sleeve 221, a spring 222, and a connecting rod 223, wherein one end of the sleeve 221 is configured as an open end, the other end of the sleeve 221 is configured as a blind end, the blind end is configured with a through hole, the open end of the sleeve 221 is fixed to the insulating support frame 21, one end of the connecting rod 223 is inserted into the sleeve 221 through the through hole, the other end of the connecting rod 223 is connected to the roller 23, the spring 222 is disposed in the sleeve 221, one end of the spring 222 abuts against the insulating support frame 21, and the other end of the spring 222 abuts against the connecting rod 223. In order to enable the electric spark detector to be suitable for pipelines with different inner diameters, the roller connecting portion 22 comprising the sleeve 221, the spring 222 and the connecting rod 223 is arranged in the technical scheme, when the electric spark detector is placed into the pipeline, the roller 23 is extruded by the inner wall of the pipeline to drive the connecting rod 223 to compress the spring 222, and then the automatic matching of the roller 23 and the inner diameter of the pipeline is achieved. And the elastic force generated by the compressed spring 222 is applied to the connecting rod 223, the elastic force is transmitted to the roller 23 through the connecting rod 223, so that the roller 23 abuts against the inner wall of the pipeline, and when the traction rope 3 pulls the running gear 2 to move in the pipeline, the pressure applied to the inner wall of the pipeline by the roller 23 can play a certain role in preventing the electric spark detector from falling. Probe 1 includes insulating probe support frame 11 and the straight carbon brush ring 12 with the contact of pipeline inner wall among this technical scheme, and this insulating probe support frame 11 is located to this straight carbon brush ring 12 cover, and this straight carbon brush is fixed in this insulating probe support frame 11 edge, and this straight carbon brush ring 12 is cyclic annular distribution by the straight carbon brush 13 of a plurality of metal materials and constitutes, and this insulating probe support frame 11 adopts the circular structure of high strength insulating material, disposes the metal covering 14 at insulating probe support frame 11 edge, straight carbon brush ring 12 is fixed in this metal covering 14. The straight carbon brush ring 12 is also electrically connected to the main unit 5 outside the pipe when the spark detection is performed. According to the technical scheme, the direct carbon brush 13 is electrically connected with the main machine 5 through the metal sleeve 14. And the difference of the external diameter of straight carbon brush ring 12 and pipeline internal diameter is d, and this straight carbon brush 13 is for having certain length and elastic wire, and the one end of this straight carbon brush 13 is fixed in the 14 surfaces of metal covering, and the one end of this straight carbon brush 13 is the free end, when carrying out the electric spark detection, the contact of free end one side and the pipeline inner wall of this straight carbon brush 13, the external diameter of straight carbon brush ring 12 in this technical scheme be: when the straight carbon brushes 13 are all in a straight state, for 2 straight carbon brushes 13 located on the diameter of the straight carbon brush ring 12, the straight line distance between the free ends of the 2 straight carbon brushes 13 is equal to the straight line distance. By making the outer diameter of the straight carbon brush ring 12 larger than the inner diameter of the pipe, and the difference between the outer diameter of the straight carbon brush ring 12 and the inner diameter of the pipe is d, as shown in fig. 2. When the probe 1 is placed in a pipeline, the straight carbon brushes 13 are bent, and all the bent straight carbon brushes 13 support the support frame of the edge probe 1, namely, for the electric spark detector as a whole, the probe 1 provides a rear support for the whole, and the walking device 2 provides a front support for the whole, so that the balance of the electric spark detector in the moving process of the whole electric spark detector in the pipeline is realized, and the electric spark detector is prevented from transversely falling into the pipeline.
It should be noted that the insulating probe support frame 11 and the insulating support frame 21 both adopt a hollow structure. The center of the support frame of the insulating support frame 21 fixes the traction rope 3 with the support frame of the insulating support frame 21 by using a bolt. A wire slot is arranged in the insulating probe supporting frame 11, a cable 6 is laid in the wire slot, one end of the cable 6 is electrically connected with the metal sleeve 14, and the other end of the cable 6 is electrically connected with the host 5.
It should be noted that, the lengths of the pulling rope 3 and the cable 6 in this embodiment both satisfy the detection requirement, and the lengths of the pulling rope 3 and the cable 6 can both be increased or decreased according to the actual requirement.
Compared with the prior art, the technical scheme is provided with a running gear 2, a traction rope 3 and a driving part 4 for rolling the traction rope 3, the probe 1 is connected with the running gear 2, the running gear 2 is provided with a plurality of rollers 23, one end of the traction rope 3 is fixed with the running gear 2, one end of the hauling rope 3 is connected with a driving part 4 outside the pipeline, when the pinhole test detection of the inner wall anticorrosive coating is carried out on the small-caliber long pipeline with the caliber of 50mm and below and the length of 6-8m, the running gear 2 is put into the pipeline from one end of the pipeline, the driving part 4 is arranged at the other end of the pipeline, and haulage rope 3 wears out to this drive division 4 from the pipeline, and the outer 4 rolling haulage ropes of drive division of pipeline 3 utilize this haulage rope 3 drive to walk capable device 2 of walking in the pipeline, and the pinhole test of 1 pair of pipeline inner wall anticorrosive coating of probe of being convenient for detects, has satisfied the pinhole test of small-bore long pipeline inner wall anticorrosive coating and has detected the demand.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A pipeline electric spark detector comprises a probe contacted with the inner wall of a pipeline, and is characterized in that,
also comprises a running gear, a hauling rope and a driving part,
the running gear is detachably connected with the probe, the running gear is provided with a plurality of rollers, the rollers are in rolling connection with the inner wall of the pipeline,
one end of the traction rope is fixed with the running gear, the other end of the traction rope is connected with the driving part,
the driving part is arranged outside the pipeline and used for rolling the traction rope.
2. The pipe electric spark detector of claim 1,
the running gear comprises an insulating support frame and a plurality of roller connecting parts,
the insulating support frame is detachably connected with the probe,
taking the center of the insulating support frame as an array center, a plurality of roller connecting parts are circumferentially arrayed at the edge of the insulating support frame,
the roller connecting portion is connected to the roller.
3. The pipe electric spark detector of claim 2,
the roller connecting part comprises a sleeve, a spring and a connecting rod,
one end of the sleeve is configured as an open end, the other end of the sleeve is configured as a blind end, the blind end is configured with a through hole,
the open end of the sleeve is fixed on the insulating support frame,
one end of the connecting rod is inserted into the sleeve through the through hole, the other end of the connecting rod is connected with the roller,
the spring is arranged in the sleeve, one end of the spring is abutted to the insulating support frame, and the other end of the spring is abutted to the connecting rod.
4. The pipe electric spark detector of claim 1,
the probe comprises an insulating probe support frame and a straight carbon brush ring which is contacted with the inner wall of the pipeline,
the straight carbon brush is sleeved on the insulating probe support frame, and the straight carbon brush is fixed on the edge of the insulating probe support frame.
5. The pipe electric spark detector of claim 4, wherein,
the difference between the outer diameter of the straight carbon brush ring and the inner diameter of the pipeline is d.
6. The pipe electric spark detector of claim 4, wherein,
the edge of the insulating probe supporting frame is provided with a metal sleeve,
the straight carbon brush ring is fixed on the metal sleeve.
7. The pipe electric spark detector of claim 1,
the drive portion is configured as a reel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120284396.2U CN214201281U (en) | 2021-02-01 | 2021-02-01 | Pipeline electric spark detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120284396.2U CN214201281U (en) | 2021-02-01 | 2021-02-01 | Pipeline electric spark detector |
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| Publication Number | Publication Date |
|---|---|
| CN214201281U true CN214201281U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120284396.2U Active CN214201281U (en) | 2021-02-01 | 2021-02-01 | Pipeline electric spark detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114796953A (en) * | 2022-06-29 | 2022-07-29 | 安普科技有限公司 | Spark is surveyed and is carried processing apparatus |
| CN115371828A (en) * | 2022-08-29 | 2022-11-22 | 江苏环亚电热仪表有限公司 | Multipoint measuring thermocouple |
-
2021
- 2021-02-01 CN CN202120284396.2U patent/CN214201281U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114796953A (en) * | 2022-06-29 | 2022-07-29 | 安普科技有限公司 | Spark is surveyed and is carried processing apparatus |
| CN114796953B (en) * | 2022-06-29 | 2022-09-02 | 安普科技有限公司 | Spark is surveyed and is carried processing apparatus |
| CN115371828A (en) * | 2022-08-29 | 2022-11-22 | 江苏环亚电热仪表有限公司 | Multipoint measuring thermocouple |
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