Electromagnetic ultrasonic high-pressure manifold straight pipe detection device

Abstract

The utility model relates to the field of oil field pipeline detection, and particularly discloses an electromagnetic ultrasonic high-pressure manifold straight pipe detection device which comprises an O-shaped roller chain, the inner circumference of the roller chain is connected with a set of idler wheels through a set of connecting plates arranged at intervals in a surrounding mode, and a set of ultrasonic probes arranged at intervals in a surrounding mode are arranged on one side of the roller chain. The detection end face of the ultrasonic probe faces the axis direction of the roller chain, and an elastic supporting mechanism is arranged between the ultrasonic probe and the roller chain. The straight pipe detection device can be adapted to detection of straight pipes with various calibers, realizes accurate detection, is very convenient to use, and improves the detection efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to oilfield pipeline detection field, concretely is a kind of electromagnetic ultrasonic high-pressure manifold straight pipe detection device. BACKGROUND

[0002] High-pressure manifold is indispensable equipment in oil and gas field fracturing test operation, with the expansion of shale gas exploitation scale and the progress to deep layer, super deep layer, high pressure, large displacement, long time construction has become the operation mode of shale gas fracturing operation normalization, high-pressure manifold is often under the action of high pressure, corrosive fluid corrosion and huge tensile stress, and with complex and changeable operation conditions, it is extremely vulnerable to erosion defects, corrosion, leakage and fatigue defects.

[0003] Currently, for the high-pressure manifold in service, strictly follow the periodic detection requirements of SY / T6270 standard, for the key parts of high-pressure manifold straight pipe, ultrasonic thickness detection method is used, each key point is detected by field personnel one by one, for example, CN202211296407.4 discloses a kind of ultrasonic thickness gauge;

[0004] Before detection, uniform coupling agent must be daubed, and sampling inspection detection mode is used, however, there may be local wall thickness thinning detection missing in some extent, which may lead to dangerous point not being found in time, and further cause serious safety accident. Therefore, it is urgent to develop a kind of electromagnetic ultrasonic high-pressure manifold straight pipe detection device to meet the full range detection requirement of straight pipe section, reduce detection procedure and improve field labor intensity. UTILITY MODEL CONTENTS

[0005] The utility model aims at the defects existing in prior art, provides a kind of electromagnetic ultrasonic high-pressure manifold straight pipe detection device, it can adapt to the straight pipe detection of multiple calibers, realize accurate detection, it is very convenient to use, improve detection efficiency.

[0006] The technical scheme of the utility model is: a kind of electromagnetic ultrasonic high-pressure manifold straight pipe detection device, including the O-shaped roller chain, the inner periphery of the roller chain is connected with a group of rollers by a group of connecting plates arranged around by interval, one side of the roller chain is equipped with a group of ultrasonic probes arranged around by interval, and the detection end surface of the ultrasonic probe faces the axial direction of the roller chain;

[0007] Elastic support mechanism is arranged between the ultrasonic probe and the roller chain, the elastic support mechanism includes a limiting box, a guide groove is arranged on the outer side of the limiting box, a sliding block is vertically slidably connected in the limiting box, the outer side of the sliding block extends out of the guide groove and is connected with the ultrasonic probe, and a supporting spring is arranged between the sliding block and the top surface in the limiting box.

[0008] Preferably, the top of the sliding block is provided with a guide column penetrating through the top of the limiting box and in sliding connection with the top of the limiting box, and the supporting spring is sleeved outside the guide column.

[0009] Preferably, the roller chain comprises a group of chain links, and two adjacent chain link ends are connected through a pair of chain plates and a pair of pin shafts.

[0010] Preferably, the middle part of each chain link is provided with a roller through a connecting plate.

[0011] Preferably, the limiting box is fixedly connected to the outer side of the chain plate.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] In use, the operator only needs to push the device along the pipe wall to complete the surface wall thickness measurement of the straight pipe section, thereby saving detection time and improving detection efficiency compared with the traditional detection mode.

[0014] Moreover, the roller chain is used as the frame structure, the number of chain links can be increased or decreased according to the pipe diameter, the detection requirements of different pipe diameters are met, whether it is a small-caliber or a large-caliber straight pipe, accurate detection can be realized, the application range of the device is expanded, and the universality is improved.

[0015] In addition, under the elastic support of the elastic support mechanism, the ultrasonic probe is always attached to the surface of the detected workpiece, thereby ensuring good contact between the ultrasonic probe and the workpiece and improving the accuracy and reliability of detection. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is an assembly schematic view of the chain link and the roller;

[0018] Figure 3 It is an assembly schematic view of the chain plate and the elastic support mechanism;

[0019] Figure 4 It is a structural schematic view of the elastic support mechanism;

[0020] Figure 5 It is a use state schematic view of the utility model;

[0021] In the drawing: 1, chain link, 2, pin shaft, 3, chain plate, 4, roller chain, 5, elastic support mechanism, 6, ultrasonic probe, 7, connecting plate, 8, roller, 9, limiting box, 10, guide column, 11, supporting spring, 12, guide groove, 13, sliding block, 14, straight pipe. DETAILED DESCRIPTION

[0022] The utility model is further illustrated below in combination with the drawings and embodiments. Embodiment 1

[0023] As Figure 1 An electromagnetic ultrasonic high-pressure manifold straight pipe detection device, comprising an O-shaped roller chain 4, which is similar in structure to a bicycle chain, specifically: the roller chain 4 comprises a group of chain links 1, and the end portions of two adjacent chain links 1 are connected through a pair of chain plates 3 and a pair of pin shafts 2.

[0024] As Figure 2 The inner periphery of the roller chain 4 is connected to a group of rollers 8 through a group of connecting plates 7 arranged at intervals, the number of connecting plates 7, rollers 8, and chain links 1 is the same, and they correspond one by one, specifically: the middle part of each chain link 1 is installed with one roller 8 through one connecting plate 7.

[0025] A group of ultrasonic probes 6 arranged in a ring are arranged at intervals on one side of the roller chain 4, and the detection end of the ultrasonic probe 6 faces the axial direction of the roller chain 4.

[0026] In use, the number of chain plates 3 and chain links 1 is adjusted according to the outer diameter of the measured straight pipe 14, so that the inner diameter of the roller chain 4 matches the outer diameter of the straight pipe 14.

[0027] As Figure 5 Then, the ultrasonic probe 6 is connected to the pipeline detection equipment of the oil field, and the roller chain 4 is sleeved outside the straight pipe 14, the rollers 8 on the inner periphery of the roller chain 4 are in rolling contact with the outer pipe wall of the straight pipe 14, the roller chain 4 is pushed to move along the axial direction of the straight pipe 14, and the straight pipe 14 is detected by the ultrasonic probe 6.

[0028] In use, the operator only needs to push the device to walk along the pipe wall once, and the surface wall thickness of the straight pipe 14 segment can be measured, compared with the traditional detection method, the detection time is saved, and the detection efficiency is improved.

[0029] In addition, the roller chain 4 is used as a frame structure, the number of chain links 1 can be increased or decreased according to the pipe diameter, the detection requirements of different pipe diameters are met, whether it is a small-diameter or large-diameter straight pipe 14, accurate detection can be realized, the application range of the device is expanded, and the universality is improved. Embodiment 2

[0030] This embodiment is further optimized on the basis of the above embodiment, specifically:

[0031] As Figure 3 An elastic supporting mechanism 5 is arranged between the ultrasonic probe 6 and the roller chain 4.

[0032] As Figure 4The elastic supporting mechanism 5 comprises a limiting box 9 fixedly connected to the outer side of the chain plate 3.

[0033] The outer side of the limiting box 9 is provided with a guide groove 12, and a sliding block 13 is vertically and slidingly connected in the limiting box 9.

[0034] The elastic supporting mechanism 5 is used to make the ultrasonic probe 6 always adhere to the surface of the detected workpiece, so that the good contact between the ultrasonic probe 6 and the workpiece is ensured, and the detection accuracy and reliability are improved. Embodiment 3

[0035] This embodiment is further optimized on the basis of the above-mentioned embodiments, and specifically is:

[0036] As Figure 4 The top of the sliding block 13 is provided with a guide column 10 penetrating through the top of the limiting box 9 and slidingly connected with the top of the limiting box 9, and the supporting spring 11 is sleeved outside the guide column 10.

[0037] The guide column 10 can play a guiding role in the movement of the sliding block 13 and can also play a limiting role on the supporting spring 11, so that the use stability of the utility model is improved.

[0038] The utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the purpose of the utility model, and the changed content still belongs to the protection range of the utility model.

Claims

1. An electromagnetic ultrasonic high pressure manifold run detection apparatus, characterized by: The application relates to a roller chain comprising O-shaped rollers, the inner periphery of the roller chain being connected with a group of rollers through a group of connecting plates arranged in a surrounding mode, one side of the roller chain being provided with a group of ultrasonic probes arranged in a surrounding mode, and the detection end of the ultrasonic probe facing the axial direction of the roller chain. An elastic supporting mechanism is arranged between the ultrasonic probe and the roller chain, the elastic supporting mechanism comprising a limiting box, the outer side of the limiting box being provided with a guide groove, a sliding block being vertically and slidably connected in the limiting box, the outer side of the sliding block extending out of the guide groove and being connected with the ultrasonic probe, and a supporting spring being arranged between the sliding block and the top surface in the limiting box.

2. The electromagnetic ultrasonic high pressure header run detection apparatus of claim 1, wherein: The top of the sliding block is provided with a guide column penetrating through and being slidably connected with the top of the limiting box, and the supporting spring is sleeved outside the guide column.

3. The electromagnetic ultrasonic high pressure header run detection apparatus of claim 1, wherein: The roller chain comprises a group of chain links, and the end portions of two adjacent chain links are connected through a pair of chain plates and a pair of pin shafts.

4. An electromagnetic ultrasonic high pressure header run detection apparatus according to claim 3, characterized in that: The middle portion of each chain link is provided with one roller through one connecting plate.

5. An electromagnetic ultrasonic high pressure header run detection apparatus according to claim 3, characterized in that: The limiting box is fixedly connected to the outer side of the chain plate.

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