CN211453457U

CN211453457U - Transient electromagnetic method probe device

Info

Publication number: CN211453457U
Application number: CN201920852104.3U
Authority: CN
Inventors: 崔建杰; 王静
Original assignee: Tianjin Temisi Technology Co ltd; Institute of Oceanology of CAS
Current assignee: Tianjin Temisi Technology Co ltd; Institute of Oceanology of CAS
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-09-08
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a transient electromagnetic probe device, which comprises a probe and a plurality of connected flexible structures; the flexible structure comprises connecting pieces arranged on two sides and an intermediate shaft connected with the connecting pieces; the probe is arranged on the inner side of the connecting piece and moves along with the flexible structure; the device can solve the problems of unstable walking and center offset of the probe when transient electromagnetic equipment tests the pipeline with the coating layer.

Description

Transient electromagnetic method probe device

Technical Field

The utility model relates to a basis chemical industry and petroleum refining industry industrial pipeline nondestructive test field are fit for sweeping fast at labour industrial pipeline (area is pressed, high temperature) internal corrosion defect, discover fast and fix a position the potential safety hazard position, specificly relate to a transition electromagnetic method probe unit.

Background

In the operation process of basic chemical industry and petroleum refining devices, monitoring the wall thickness reduction state of pipelines with high heavy corrosion risks is very necessary, and the traditional ultrasonic thickness gauge is generally adopted for fixed-point thickness measurement.

The traditional fixed-point thickness measuring system depends on relevant risk standards and expert experience for point selection, cannot adapt to complex and variable environments on site, often causes missed detection or fails to detect the area with the most serious defects, and has more defects. The ultrasonic thickness gauge fixed-point thickness measurement solves the problem of accurate residual wall thickness data (estimation residual emphasis), but cannot solve the accuracy of detecting the distribution point position.

The utility model discloses a transition electromagnetic method's a probe unit, it has characteristics such as adaptability is strong, accommodation is wide, the operation is stable, convenient operation, and is wide in petrochemical industry chemical industry range of application.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a transient electromagnetic probe device, which includes a probe and a plurality of connected flexible structures; the flexible structure comprises connecting pieces arranged on two sides and an intermediate shaft connected with the connecting pieces; the probe is mounted inside the connector and follows the flexible structure.

As a further improvement of the transient electromagnetic method probe device, the connecting piece comprises a first connecting end, a connecting piece main body and a second connecting end, one end of the connecting piece main body is connected with the first connecting end, and the other end of the connecting piece main body is connected with the second connecting end; the first connecting ends of the two connected flexible structures are embedded in the second connecting ends and can rotate.

As a further improvement of the transient electromagnetic method probe device, the first connecting end comprises a first connecting head, a first limiting table and a first limiting groove; the second connecting end comprises a second connector, a second limiting table, a second limiting groove and a connecting groove; in two adjacent flexible constructions, first connector embedding in the spread groove and with the contact of second connector, first spacing platform embedding in the second spacing inslot, the spacing platform embedding of second first spacing inslot.

As a further improvement of the transient electromagnetic probe device, the connecting piece is provided with a supporting seat for fixing the probe, and the upper end of the connecting piece is provided with a pressing sheet.

As a further improvement of the transient electromagnetic method probe device, support rods are arranged on the inner sides of the connecting pieces on the two sides, mounting holes are formed in the upper portions of the probes, and the support rods penetrate through the mounting holes to fix the probes on the flexible structure.

As a further improvement of the transient electromagnetic method probe device, the intermediate shaft comprises a fixed end and a movable end; the stiff end set up in the inboard of connecting piece, the activity is served and is provided with the recess, the stiff end embedding in the recess.

As a further improvement of the transient electromagnetic method probe device, a speed sensor is arranged on the probe.

As a further improvement of the transient electromagnetic probe device, a travelling wheel is arranged at the lower part of the flexible structure.

As a further improvement of the probe device adopting the transient electromagnetic method, the rolling part of the travelling wheel is coated with soft rubber.

As a further improvement of the transient electromagnetic method probe device, the probe device is also provided with a pedometer.

Compared with the prior art, the beneficial effects of the utility model are that: the device can solve the problems of unstable walking, center deviation and the like of the probe when transient electromagnetic equipment tests the pipeline with the coating layer.

The probe device has a flexible structure, can be suitable for measuring different pipe diameter sizes, and drives the probe to be tightly attached to a pipeline through the flexible structure. Meanwhile, the flexible structure is provided with the small moving wheels, so that the uniform sliding in the working process can be ensured, the working efficiency and the working stability are improved, the external interference is reduced, and meanwhile, the probes are designed to be built-in, so that the number of the probes can be increased according to different pipe diameters of pipelines.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the first connection end of the present invention;

fig. 3 is a schematic structural view of a second connection end of the present invention;

fig. 4 is a schematic structural view illustrating the probe according to the first embodiment of the present invention installed on a flexible structure;

fig. 5 is a schematic structural view of the intermediate shaft of the present invention;

fig. 6 is a schematic structural view of the probe of the present invention;

fig. 7 is a schematic structural diagram of the speed sensor according to the present invention;

fig. 8 is a schematic view of the mounting structure of the travelling wheel of the present invention on a flexible structure;

fig. 9 is a schematic view of the mounting structure of the travelling wheel of the present invention;

fig. 10 is a schematic view illustrating a usage state of the present invention.

Detailed Description

The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 and 10, the transient electromagnetic method probe device comprises a probe 1 and a plurality of connected flexible structures 2; the flexible structure 2 comprises connecting pieces 21 arranged on two sides and an intermediate shaft 22 connected with the connecting pieces; the probe 1 is mounted inside the connector 21 and follows the flexible structure 2. The device can solve the problems of unstable walking, center deviation and the like of the probe when transient electromagnetic equipment tests the pipeline with the coating layer.

As shown in fig. 2 to 3, the connecting member 21 includes a first connecting end 211, a connecting member main body 212 and a second connecting end 213, one end of the connecting member main body 212 is connected to the first connecting end 211, and the other end of the connecting member main body 212 is connected to the second connecting end 213; the first connection ends 211 of the two connected flexible structures are embedded in the second connection ends 213 and can rotate.

In order to improve the convenience of controlling the flexible structure in operation and ensure that the bending direction of the probe device is kept consistent with the bending direction of the pipeline, the first connecting end 211 comprises a first connecting head 214, a first limit platform 215 and a first limit groove 216; the second connecting end 213 comprises a second connecting head 217, a second limiting table 218, a second limiting groove 219 and a connecting groove 220; in two adjacent flexible structures, first connector 214 imbeds in the spread groove 220 and with the contact of second connector 217, first spacing platform 215 imbeds in second spacing groove 219, second spacing platform 218 imbeds in first spacing groove 216, connecting piece 21 utilizes the effect of spacing platform can ensure that flexible structure crooked direction can not produce great change in the course of the work.

In order to facilitate the mounting of the probe 1 on the flexible structure 2,

in the first embodiment, as shown in fig. 4, a supporting seat 3 for fixing the probe 1 is provided on the connecting member 21, and a pressing piece 4 is provided on the upper end of the connecting member 21, so that the probe can be placed on the supporting seat 3 and fixed by the pressing piece on the upper end of the flexible structure 2 in use.

In the second embodiment, as shown in fig. 1-2, the inner sides of the connecting pieces 21 on both sides are provided with the supporting rods 5, the upper portion of the probe 1 is provided with the mounting hole 11, the supporting rods 5 penetrate through the mounting hole 11 to fix the probe 1 on the flexible structure 2, wherein the mounting hole and the supporting rods are sealed by bolts or fixing glue.

The probe is arranged in the two modes of the flexible structure, the probe in the first fixing mode can be replaced at any time, the probe is convenient to disassemble, and the probe in the second fixing mode is directly and completely fixed with the device and is more stable.

In the above embodiment, as shown in fig. 5, the intermediate shaft 22 includes a fixed end 221 and a movable end 222; the fixed end 221 is disposed on the inner side of the connecting member 21, the movable end 222 is provided with a groove 223, and the fixed end 221 is embedded in the groove 223, so that the flexible structure 2 can be disassembled and assembled.

As shown in fig. 6-7, a speed sensor 6 is arranged on the probe 1, and the probe 1 moves forward under the action of human force in the working process, and the running speed needs to be controlled, generally, the speed is within the range of 1-5cm/s, and because the speed is difficult to accurately control in the manual running process, the running speed is measured by the speed sensor 6; the speed sensor 6 is provided with indicator lamps 9, and the indicator lamps comprise a red indicator lamp 10 and a green indicator lamp 11; when the speed is lower than or higher than the set range value, a red indicator light 10 appears on the probe device to prompt an operator to pay attention to the running speed; when the running speed is within the set range, the probe device displays a green indicator light 11 to prompt that the normal working state is met.

As shown in fig. 8-9, the lower portion of the flexible structure 2 is provided with a traveling wheel 7, and the traveling wheel 7 is adopted to enable the probe device and the pipeline to realize sliding detection, so as to improve the operation efficiency and stability, wherein in this embodiment, since the traveling wheel 7 is directly contacted with the pipeline during operation, certain abrasion and consumption can be generated, so that the traveling wheel 7 and the connecting piece 21 are connected by bolts, so as to facilitate replacement of the worn traveling wheel.

The walking wheels 7 are provided with a pair of walking wheels at intervals of a connecting piece 21 on two sides of the probe device according to the length of the probe device, so that sliding friction is prevented when the device works for a long time.

In the embodiment of the walking wheel, the rolling part of the walking wheel 7 is coated with soft rubber (not shown in the attached drawings), so that when some foreign matters or obstacles are met, the soft rubber is used smoothly and excessively, and large vibration cannot be generated.

In order to improve the measuring efficiency, the number of the flexible structures 2 and the probes 1 can be increased to a plurality for a larger diameter of the pipeline, when the probe 1 is installed in one, the probe 1 is installed in the flexible structure 2 at the middle, the center of the probe 1 can be ensured to be always vertically opposite to the pipeline wall, and the best effect can be achieved. When more than one probe 1 is arranged, each probe adopts a separate independent transmitting and receiving mode, so the number of the probes can be infinitely increased and decreased, but the number of the probes is generally 1-6 based on the probe power and the diameter of the pipeline to be actually detected.

In the embodiment, in the working process of the probe device, because an actual pipeline is longer, the problem of positioning can occur, two modes are mainly adopted in the positioning, firstly, the whole ten points of the pipeline are marked, in the working process, the pipeline is manually marked every ten points according to the display and prompt of test software, and parameters such as the route, the distance, the position and the like of the whole test can be clearly recorded; and secondly, by utilizing the working mode of the pedometer, the pedometer (not shown in the drawing) is arranged on the probe device and is transmitted to the test equipment by adopting a common cable, and the pedometer can record information such as the distance and the path traveled in real time during working and feed the information back to the test equipment through the cable.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A transient electromagnetic method probe device is characterized in that: comprises a probe (1) and a plurality of connected flexible structures (2); the flexible structure (2) comprises connecting pieces (21) arranged on two sides and an intermediate shaft (22) connected with the connecting pieces (21); the probe (1) is mounted inside the connector (21) and follows the flexible structure (2).

2. The transient electromagnetic probe device of claim 1, wherein: the connecting piece (21) comprises a first connecting end (211), a connecting piece main body (212) and a second connecting end (213), one end of the connecting piece main body (212) is connected with the first connecting end (211), and the other end of the connecting piece main body (212) is connected with the second connecting end (213); the first connecting ends (211) of the two connected flexible structures are embedded in the second connecting ends (213) and can rotate.

3. The transient electromagnetic probe device of claim 2, wherein: the first connecting end (211) comprises a first connecting head (214), a first limiting table (215) and a first limiting groove (216); the second connecting end (213) comprises a second connecting head (217), a second limiting table (218), a second limiting groove (219) and a connecting groove (220); in two adjacent flexible structures, the first connecting head (214) is embedded into the connecting groove (220) and is in contact with the second connecting head (217), the first limiting table (215) is embedded into the second limiting groove (219), and the second limiting table (218) is embedded into the first limiting groove (216).

4. The transient electromagnetic probe device of claim 1 or 2, wherein: the probe is characterized in that a supporting seat (3) for fixing the probe (1) is arranged on the connecting piece (21), and a pressing sheet (4) is arranged at the upper end of the connecting piece (21).

5. The transient electromagnetic probe device of claim 1 or 2, wherein: the inner sides of the connecting pieces (21) on the two sides are provided with supporting rods (5), the upper part of the probe (1) is provided with a mounting hole (11), and the supporting rods (5) penetrate through the mounting hole (11) to fix the probe (1) on the flexible structure (2).

6. The transient electromagnetic probe device of claim 1, wherein: the intermediate shaft (22) comprises a fixed end (221) and a movable end (222); the fixed end (221) is arranged on the inner side of the connecting piece (21), a groove (223) is formed in the movable end (222), and the fixed end (221) is embedded into the groove (223).

7. The transient electromagnetic probe device of claim 1, wherein: and a speed sensor (6) is arranged on the probe (1).

8. The transient electromagnetic probe device of claim 1, wherein: and a travelling wheel (7) is arranged at the lower part of the flexible structure (2).

9. The transient electromagnetic probe device of claim 8, wherein: the rolling part of the walking wheel (7) is coated with soft rubber.

10. The transient electromagnetic probe device of claim 1, wherein: the probe device is also provided with a pedometer.