CN214895015U

CN214895015U - Oil gas pipeline defect internal detection device based on magnetic field compensation effect

Info

Publication number: CN214895015U
Application number: CN202121351408.5U
Authority: CN
Inventors: 韦孟佼; 白杨; 郝清梅; 宋雨
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-11-26
Anticipated expiration: 2031-06-17

Abstract

The utility model belongs to the technical field of auxiliary devices for oil gas pipeline detection, in particular to an oil gas pipeline defect internal detection device based on magnetic field compensation effect, which comprises a supporting seat, a universal metal hose and a detecting head assembling seat, wherein the front position of the supporting seat is fixedly connected with one end of the universal metal hose, and the other end of the universal metal hose is fixedly connected with the detecting head assembling seat; the outer wall of the supporting seat is provided with four self-locking expansion brackets, the end face positions of the four self-locking expansion brackets are connected with guide wheels through support rotation, and the back face position of the supporting seat is fixedly connected with a detection host through a signal line. According to the internal diameter of the pipeline to be measured, the length of the self-locking expansion bracket is adjusted and fixed relative to the supporting seat until the guide wheel is attached to the inner wall of the pipeline, the detection probe installed on the detection head assembling seat is not easy to wear and impact with the inner wall of the pipeline when moving, and the using effect is improved.

Description

Oil gas pipeline defect internal detection device based on magnetic field compensation effect

Technical Field

The utility model relates to an oil gas pipeline detects uses auxiliary device technical field, specifically is detection device in the oil gas pipeline defect based on magnetic field compensation effect.

Background

In order to improve the safety of the use of the oil and gas pipeline, technicians need to regularly perform flaw detection on the inside of the oil and gas pipeline, an oil and gas pipeline defect internal detection device based on a magnetic field compensation effect is a commonly-used detection device, a detection probe is placed into the inner wall of the pipeline and is matched with a magnetic field compensation instrument connected to a signal line signal end of the detection probe for use, and auxiliary detection processing is performed. When placing test probe relatively the oil gas pipeline, the probe takes place wearing and tearing and striking with the pipeline inner wall easily to all can cause the injury of different degrees to probe and pipeline inner wall.

In order to solve the problems, the application provides an oil and gas pipeline defect internal detection device based on a magnetic field compensation effect.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a detection device in oil gas pipeline defect based on magnetic field compensation effect has that test probe is difficult to take place wearing and tearing and striking with the pipeline inner wall, improves the characteristics of result of use.

(II) technical scheme

In order to solve the technical problem, the utility model provides an oil gas pipeline defect internal detection device based on magnetic field compensation effect, which comprises a supporting seat, a universal metal hose and a detecting head assembling seat, wherein the front position of the supporting seat is fixedly connected with one end of the universal metal hose, and the other end of the universal metal hose is fixedly connected with the detecting head assembling seat;

the self-locking type expansion brackets are arranged on the outer walls of the supporting seats, the number of the self-locking type expansion brackets is four, the end face positions of the four self-locking type expansion brackets are rotatably connected with guide wheels through supports, the back face position of the supporting seat is fixedly connected with a detection host through a signal wire, the signal wire penetrates through the guide assembly and is movably connected with the detection host, the guide assembly comprises a guide frame, a self-locking type expansion connecting rod, a U-shaped clamping seat and a locking wheel, the two side walls of the guide frame are fixedly connected with the self-locking type expansion connecting rod, the free end of the self-locking type expansion connecting rod is fixedly connected with the U-shaped clamping seat, the locking wheel is spirally inserted into the side wall of the U-shaped clamping seat, the guide assembly is used for assisting in guiding the signal wire, the supporting seat of the self-locking type expansion bracket after the length is adjusted is firstly placed into the detected pipeline, and the length of the self-locking type expansion connecting rod at the position of the two side walls of the guide frame is adjusted according to the inner diameter of the detected pipeline, and clamping the U-shaped clamping seat on the outer wall of the pipeline to be measured, and screwing the locking wheel to complete locking and fixing.

Preferably, the self-locking expansion bracket is perpendicular to the outer wall of the supporting seat.

Preferably, the surface of the guide frame is fixedly connected with the guide frame close to the bottom, the guide roller is connected to the outer portion of the guide frame in a rotating mode, the signal wire and the traction rope penetrate through the surface of the guide frame, and when the signal wire and the traction rope are pulled relative to the guide frame, the guide roller on the surface of the guide frame assists in guiding, so that the moving smoothness of the signal wire and the traction rope is improved, and abrasion is reduced.

Preferably, the supporting seat back position is through haulage rope and detection host computer fixed connection, the haulage rope is located signal line one side, and the detecting head assembly seat is used for installing test probe, supporting seat internally mounted supporting battery and circuit board, and the signal line transmits the data transmission that test probe detected to the detection host computer, and the effect of haulage rope is supplementary to pull the supporting seat, prevents that the signal line atress is too big and breaking occur.

Preferably, the haulage rope runs through the guide frame and is the activity setting, and the effect of haulage rope is supplementary traction support seat, prevents that the signal line atress is too big and the emergence is cracked.

Preferably, surface mounting shift knob and light filling lamp on the supporting seat, shift knob is located light filling lamp one side, and shift knob and light filling lamp electric connection, and the light filling lamp carries out the light filling to being surveyed the pipeline inner wall and handles, through the operating condition of shift knob control light filling lamp.

The above technical scheme of the utility model has following profitable technological effect:

1. the utility model discloses the supporting seat outer wall rotates to connect the leading wheel through locking-type expansion bracket, according to the internal diameter of being surveyed the pipeline, relative supporting seat adjusts and fixes the length from locking-type expansion bracket, and until the leading wheel laminating and can remove along the pipeline inner wall, install the test probe who assembles the seat at the detecting head when removing, be difficult for taking place wearing and tearing and striking with the pipeline inner wall, improve the result of use.

2. The utility model discloses the effect of direction subassembly is supplementary leads the signal line, according to the internal diameter of being surveyed the pipeline, adjusts the self-locking type telescopic link length of leading frame both sides wall position, is being surveyed pipeline outer wall U type cassette joint to twist soon to twist the locking wheel and accomplish locking fixed, the signal line removes the process more smoothly.

Drawings

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

FIG. 2 is a schematic structural view of the guide assembly of the present invention;

fig. 3 is the schematic view of the connection structure of the support seat and the detection host of the present invention.

Reference numerals:

1. a supporting seat; 101. a switch button; 102. a light supplement lamp; 2. a self-locking expansion bracket; 201. a guide wheel; 3. a universal metal hose; 4. a probe head assembly base; 5. a signal line; 6. a hauling rope; 7. detecting a host; 8. a guide assembly; 9. a guide frame; 10. a self-locking telescopic connecting rod; 11. a U-shaped card seat; 12. a locking wheel; 13. a guide frame; 14. and a guide roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

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

as shown in fig. 1 and 2, the internal defect detection device for an oil and gas pipeline based on magnetic field compensation comprises a support base 1, a universal metal hose 3 and a detection head assembly base 4, wherein one end of the universal metal hose 3 is fixedly connected to the front position of the support base 1, and the other end of the universal metal hose 3 is fixedly connected to the detection head assembly base 4;

the outer wall of the supporting seat 1 is provided with four self-locking expansion brackets 2, the end face positions of the four self-locking expansion brackets 2 are connected with a guide wheel 201 through a support in a rotating manner, the back face position of the supporting seat 1 is fixedly connected with a detection host 7 through a signal wire 5, the signal wire 5 penetrates through a guide assembly 8 and is movably connected with the guide assembly 8, the guide assembly 8 comprises a guide frame 9, a self-locking expansion connecting rod 10, a U-shaped clamping seat 11 and a locking wheel 12, the two side walls of the guide frame 9 are fixedly connected with the self-locking expansion connecting rod 10, the free end of the self-locking expansion connecting rod 10 is fixedly connected with the U-shaped clamping seat 11, the locking wheel 12 is spirally inserted on the side wall of the U-shaped clamping seat 11, the guide assembly 8 is used for assisting in guiding the signal wire 5, and the supporting seat 1 of the self-locking expansion bracket 2 after the length is adjusted is firstly placed in a tested pipeline, according to the inner diameter of the measured pipeline, the length of self-locking type telescopic connecting rods 10 at the positions of two side walls of the guide frame 9 is adjusted, the U-shaped clamping seat 11 is clamped on the outer wall of the measured pipeline, and the locking wheel 12 is screwed to complete locking and fixing.

In this embodiment, as shown in fig. 3, the self-locking expansion bracket 2 is vertically arranged with the outer wall of the support base 1.

It should be noted that the vertically arranged appearance structure is beneficial to providing stable supporting force for the supporting seat 1 by the self-locking expansion bracket 2.

In the embodiment, as shown in fig. 3, the surface of the guide frame 9 is fixedly connected with a guide frame 13 near the bottom end position, and the guide frame 13 is rotatably connected with a guide roller 14 outside.

It should be noted that, the signal wire 5 and the pulling rope 6 both pass through the surface of the guide frame 9, and when the signal wire 5 and the pulling rope 6 are pulled relative to the guide frame 9, the guide rollers 14 on the surface of the guide frame 13 assist in guiding, so that the moving smoothness of the signal wire 5 and the pulling rope 6 is improved, and the abrasion is reduced.

In this embodiment, as shown in fig. 3, the back position of the supporting seat 1 is fixedly connected with the detection host 7 through a pulling rope 6, and the pulling rope 6 is located on one side of the signal line 5.

It should be noted that the probe assembling seat 4 is used for installing a detection probe, a matched storage battery and a circuit board are installed inside the supporting seat 1, the signal wire 5 transmits data detected by the detection probe to the detection host 7, and the traction rope 6 is used for assisting in traction of the supporting seat 1 to prevent the signal wire 5 from being broken due to overlarge stress.

In this embodiment, as shown in fig. 1, the pulling rope 6 is movably disposed through the guide frame 9.

The function of the pulling rope 6 is to assist in pulling the support base 1 and prevent the signal wire 5 from breaking due to excessive force.

In this embodiment, as shown in fig. 3, a switch button 101 and a light supplement lamp 102 are installed on the upper surface of the support base 1, the switch button 101 is located on one side of the light supplement lamp 102, and the switch button 101 is electrically connected to the light supplement lamp 102.

It should be noted that the light supplement lamp 102 performs light supplement processing on the inner wall of the detected pipeline, and the operating state of the light supplement lamp 102 is controlled by the switch button 101.

The utility model discloses a theory of operation and use flow: the outer wall of the supporting seat 1 is rotatably connected with the guide wheel 201 through the self-locking type expansion bracket 2, the length of the self-locking type expansion bracket 2 is adjusted and fixed relative to the supporting seat 1 according to the inner diameter of a detected pipeline until the guide wheel 201 is attached and can move along the inner wall of the pipeline, a detection probe arranged on the detection head assembling seat 4 is not easy to wear and impact with the inner wall of the pipeline when moving, the using effect is improved, and the detection head assembling seat 4 is rotated through the universal metal hose 3 by taking the supporting seat 1 as an axis according to the detection position; the supporting seat 1 of the self-locking type expansion bracket 2 after the length is adjusted is placed inside a tested pipeline, the length of the self-locking type expansion connecting rod 10 at the positions of two side walls of the guide frame 9 is adjusted according to the inner diameter of the tested pipeline, the U-shaped clamping seat 11 is clamped on the outer wall of the tested pipeline, the locking wheel 12 is screwed to complete locking and fixing, the signal wire 5 and the traction rope 6 penetrate through the surface of the guide frame 9, when the signal wire 5 and the traction rope 6 are pulled relative to the guide frame 9, the guide roller 14 on the surface of the guide frame 13 assists in guiding, the moving smoothness of the signal wire 5 and the traction rope 6 is improved, and abrasion is reduced.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The oil-gas pipeline defect internal detection device based on the magnetic field compensation effect comprises a supporting seat (1), a universal metal hose (3) and a detection head assembling seat (4), and is characterized in that the front side of the supporting seat (1) is fixedly connected with one end of the universal metal hose (3), and the other end of the universal metal hose (3) is fixedly connected with the detection head assembling seat (4);

the self-locking type expansion bracket (2) is installed on the outer wall of the supporting seat (1), the self-locking type expansion bracket (2) is four, the end face position of the self-locking type expansion bracket (2) is connected with the guide wheel (201) through support rotation, the back face position of the supporting seat (1) is connected with the detection host (7) through the signal line (5) in a fixed mode, the signal line (5) penetrates through the guide assembly (8) and is movably connected with the guide assembly (8), the guide assembly (8) comprises a guide frame (9), a self-locking type expansion connecting rod (10), a U-shaped clamping seat (11) and a locking wheel (12), the two side walls of the guide frame (9) are fixedly connected with the self-locking type expansion connecting rod (10), the free end of the self-locking type expansion connecting rod (10) is fixedly connected with the U-shaped clamping seat (11), and the locking wheel (12) is spirally inserted into the side wall of the U-shaped clamping seat (11).

2. The device for detecting the defects in the oil and gas pipeline based on the magnetic field compensation effect as claimed in claim 1, wherein the self-locking expansion bracket (2) is perpendicular to the outer wall of the supporting seat (1).

3. The oil and gas pipeline defect internal detection device based on magnetic field compensation effect according to claim 1, characterized in that the surface of the guide frame (9) is fixedly connected with a guide frame (13) near the bottom end, and the guide frame (13) is rotatably connected with a guide roller (14) at the outer part.

4. The oil and gas pipeline defect internal detection device based on magnetic field compensation effect as claimed in claim 1, wherein the back position of the supporting seat (1) is fixedly connected with the detection host (7) through a traction rope (6), and the traction rope (6) is positioned on one side of the signal line (5).

5. The device for detecting the defect in the oil and gas pipeline based on the magnetic field compensation effect as claimed in claim 4, wherein the traction rope (6) penetrates through the guide frame (9) and is movably arranged.

6. The device for detecting the defect in the oil and gas pipeline based on the magnetic field compensation effect as claimed in claim 1, wherein a switch button (101) and a light supplement lamp (102) are installed on the upper surface of the supporting seat (1), the switch button (101) is located on one side of the light supplement lamp (102), and the switch button (101) is electrically connected with the light supplement lamp (102).