CN210294159U - Magnetic flux leakage detection device for drill rod rotating in situ and driving flaw detector to move transversely - Google Patents
Magnetic flux leakage detection device for drill rod rotating in situ and driving flaw detector to move transversely Download PDFInfo
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- CN210294159U CN210294159U CN201920568797.3U CN201920568797U CN210294159U CN 210294159 U CN210294159 U CN 210294159U CN 201920568797 U CN201920568797 U CN 201920568797U CN 210294159 U CN210294159 U CN 210294159U
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- drill rod
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Abstract
The utility model discloses a magnetic leakage detection device of drilling rod original place rotation and drive appearance sideslip of detecting a flaw, its characterized in that: comprises an electric pair of roller components, a flaw detector righting guide rail, a guide rail supporting frame and a flaw detector walking mechanism. The guide rail support frame is fixedly connected with the ground; the flaw detector centering guide rail is fixedly connected with the side edge of the upper part of the guide rail support frame and arranged on two sides of the inner side of the guide rail fixing frame; the flaw detector running mechanism is matched with the flaw detector guide rail, so that the flaw detector running mechanism moves forwards under the guidance of the flaw detector guide rail; the electric double-roller assembly has 2, all with ground fixed connection, sets up under the appearance running gear that detects a flaw, and the symmetric distribution is inboard between the guide rail support frame, mainly plays the support and drives the drilling rod rotation effect to the drilling rod. The magnetic flux leakage detection device has small floor area, does not need to replace probes when detecting drill rods with different specifications, does not need to be provided with power by a flaw detector, and is easy to realize automation.
Description
Technical Field
The utility model belongs to the technical field of the nondestructive test of drilling rod, concretely relates to magnetic leakage detection device of drilling rod original place rotation and drive appearance sideslip of detecting a flaw.
Background
The drill rod is one of the important components of a drilling tool in the oil drilling process, and can transmit pressure and torque to a drill bit and simultaneously convey drilling fluid. In order to grasp the damage degree of the drill rod, ensure the working quality and reduce the occurrence of drilling accidents, nondestructive testing of the drill rod is extremely necessary. Especially, the detection before the use of the drill rod can better avoid or prevent the occurrence of accidents possibly caused in the drilling process, avoid unnecessary economic loss and further improve the economic benefit, and the nondestructive detection of the drill rod has important significance for ensuring the field safety application of the drill rod equipment.
Different detection motion modes are usually required for different detection objects and working conditions. The detection motion modes of the drill rod include an active detection motion mode and a passive detection motion mode. The active detection motion mode is that a detected drill rod is not moved, and a flaw detector is moved actively, the detection equipment of the detection method has small volume, small required detection field, mobility and flexibility, but the detection precision is relatively low and the efficiency is low; the passive motion detection mode is that the flaw detector is not moved and the detected drill rod moves. The detection equipment of the detection method has complete functions, but has large volume and large area of required detection field.
SUMMERY OF THE UTILITY MODEL
At least one in defect or improvement demand more than prior art, the utility model provides a magnetic leakage detection device of drilling rod original place rotation and drive appearance sideslip of detecting a flaw has realized the drilling rod short-term test, has saved working space, and it is little to have an area, detects different specification drilling rods and need not to change probe, commonality, and the appearance of detecting a flaw need not from taking power, easily realizes advantages such as automation.
In order to achieve the above object, according to an aspect of the present invention, there is provided a magnetic leakage detecting device for a drill rod rotating in situ and driving a flaw detector to move transversely, wherein: comprises an electric pair of roller components, a flaw detector guide rail, a guide rail supporting frame and a flaw detector travelling mechanism;
the guide rail support frame is fixedly connected with the ground; the flaw detector guide rail is fixedly connected with the upper parts of the two guide rail supporting frames which are arranged at intervals;
the upper end of the flaw detector travelling mechanism is in sliding fit with the flaw detector guide rail, so that the flaw detector travelling mechanism is driven to move forwards under the guidance of the flaw detector guide rail;
the two groups of electric roller pairs are fixedly connected with the ground, are arranged right below the flaw detector walking mechanism and are symmetrically distributed on the inner side of the guide rail support frame along the movement direction of the flaw detector walking mechanism;
the drilling rod erects on two sets of electronic pair of roller subassembly, and can by electronic pair of roller subassembly actuation carries out the pivot rotation, the lower extreme of appearance running gear of detecting a flaw can descend to the contact the surface of drilling rod, the pivot rotation drive of drilling rod the appearance running gear of detecting a flaw is along drilling rod axial motion to carry out the magnetic leakage through the drilling rod of the appearance pairing rotation of detecting a flaw that carries.
Preferably, each group of the electric roller pair assemblies comprises rollers distributed on two sides of the drill rod, a roller pair support and a driving motor;
the roller and the driving motor are both arranged on the roller support, the drill rod is erected between the two rollers, the driving motor can drive the rollers to rotate and drive the drill rod to rotate in place, and the roller support is fixedly connected with the ground and arranged right below the moving direction of the flaw detector.
Preferably, the flaw detector guide rail comprises square steel and a mounting plate, the two square steel are respectively fixed on two sides of the mounting plate to form a U-shaped guide rail, and the upper end of the flaw detector travelling mechanism rolls in the U-shaped guide rail.
Preferably, each guide rail support frame comprises a support seat, a support leg and a rib plate; the support legs are multiple, the upper surface of the supporting seat is fixedly connected with the support legs, the lower surface of the supporting seat is fixedly connected with the ground, and the support legs are fixedly connected through the rib plates.
Preferably, the flaw detector walking mechanism further comprises a guide wheel, a guide wheel rack, a cylinder, a guide pillar and a flaw detector fixing frame;
the guide wheel is arranged on the guide wheel frame and is matched with the guide rail of the flaw detector to ensure that the flaw detector moves straightly; the guide wheel rack is fixedly connected with the air cylinder, a piston rod of the air cylinder is fixedly connected with the flaw detector fixing frame, one end of the guide pillar is fixedly connected with the upper part of the flaw detector fixing frame, and the other end of the guide pillar penetrates through a guide pillar hole of the guide wheel rack; the flaw detector is fixedly connected with the lower part of the flaw detector fixing frame; the cylinder and the guide post are used for realizing the upward movement and the downward movement of the flaw detector.
Preferably, the flaw detector comprises a magnetizer, a traveling wheel, a #1 probe, a #2 probe, a probe mounting plate and a flaw detector shell;
the front and the back of 2 travelling wheels of the flaw detector respectively form an included angle of 45 degrees along the circumferential direction of the drill rod, deflect a preset angle along the section direction of the drill rod, and are arranged on the inner side surface of a magnetic yoke polar plate of the magnetizer;
the number of the probe mounting plates is 2, and the probe mounting plates are respectively fixed on two sides of a magnetic yoke polar plate of the magnetizer along the axial direction of the drill rod;
the #1 probe and the #2 probe are respectively fixed on the probe mounting plates at two sides and are symmetrically distributed, the #1 probe and the #2 probe are follow-up probes and are tightly attached to the drill pipe and are distributed in a V shape in the circumferential direction of the drill pipe, the #1 probe detects the flaw of the pipe wall of the drill pipe, and the #2 probe measures the thickness of the pipe wall of the drill pipe;
the magnetizer is a magnetic yoke magnetizer and is used for axially magnetizing the drill rod; the motion track of the flaw detector on the drill rod is spiral, and non-blind area scanning detection is realized.
Preferably, the flaw detector guide rail is fixedly connected with the side faces of the upper parts of the two guide rail supporting frames arranged at intervals and arranged on two sides of the inner side of the guide rail fixing frame.
The above-described preferred features may be combined with each other as long as they do not conflict with each other.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:
1. the utility model discloses a magnetic leakage detection device of drilling rod original place rotation and drive flaw detector sideslip, simple structure, the operation is stable, has realized the drilling rod short-term test, has saved working space, and area is little.
2. The utility model discloses a magnetic leakage detection device of rotatory and drive flaw detector sideslip in drilling rod original place, the descending height-adjustable of flaw detector, the drilling rod of applicable different pipe diameter specifications, the commonality is strong.
3. The utility model discloses a magnetic leakage detection device of rotatory and drive flaw detector sideslip of drilling rod original place, the testing process is easy and simple to handle, and the flaw detector need not from electrified power, easily realizes high-speed automation, has wider application prospect.
Drawings
FIG. 1 is a schematic structural view of a magnetic flux leakage detection device for in-situ rotation of a drill rod and transverse movement of a flaw detector;
FIG. 2 is a schematic structural view of a magnetic flux leakage detection device of the present invention, in which a drill rod rotates in situ and drives a flaw detector to move transversely, and a rail support frame and a flaw detector rail;
FIG. 3 is a schematic view of the magnetic flux leakage detecting device of the present invention, in which the drill rod rotates in situ and drives the flaw detector to move transversely;
FIG. 4 is a bottom view of the flaw detector of the magnetic flux leakage detecting device of the present invention, in which the drill rod rotates in situ and drives the flaw detector to move transversely;
FIG. 5 is a cross-sectional view of the flaw detector of the magnetic flux leakage detecting device of the present invention, in which the drill rod rotates in situ and drives the flaw detector to move transversely;
FIG. 6 is a schematic structural view of a pair of roller assemblies of the magnetic flux leakage detection device for in-situ rotation of the drill rod and driving the flaw detector to move transversely according to the present invention;
fig. 7 is a schematic view of the working state of the magnetic flux leakage detection device for the in-situ rotation of the drill rod and the driving of the transverse movement of the flaw detector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to the following embodiments.
As a preferred embodiment of the present invention, fig. 1 is a schematic diagram of a magnetic flux leakage detection device structure of a drill rod in-situ rotation flaw detector, which includes an electric pair of roller assemblies 1, a flaw detector guide rail 2, a guide rail support frame 3, and a flaw detector traveling mechanism 4. The guide rail support frame 3 is fixedly connected with the ground; the flaw detector guide rail 2 is fixedly connected with the side edge of the upper part of the guide rail support frame 3 and is arranged at two sides of the inner side of the guide rail fixed support frame 3; the flaw detector travelling mechanism 4 is matched with the flaw detector guide rail 2, so that the flaw detector travelling mechanism 4 advances under the guidance of the flaw detector guide rail 2; the electric double-roller component 1 is provided with 2 electric double-roller components, all of which are fixedly connected with the ground, are arranged under the flaw detector walking mechanism 4 and are symmetrically distributed on the inner side of the guide rail support frame 3 along the movement direction of the flaw detector walking mechanism 4.
Fig. 2 is a schematic structural diagram of a guide rail support frame and a flaw detector guide rail. The guide rail support frame 3 comprises a support seat 31, a support leg 32 and a ribbed plate 33. The support legs 32 are made of square steel and are fixedly connected with each other through rib plates 33; the upper surface of the supporting seat 31 is fixedly connected with the bracket legs 32, and the lower surface of the supporting seat 31 is fixedly connected with the ground. The flaw detector guide rail 2 comprises square steel 21 and a mounting plate 22, wherein the two square steel 21 are respectively fixed on two sides of the mounting plate 22 to form a U-shaped guide rail. The dress board is fixed at the supporting leg top inboard, plays the guide effect to the appearance of detecting a flaw.
Fig. 3 is a schematic structural diagram of a flaw detector traveling mechanism. The flaw detector traveling mechanism 4 comprises a guide wheel 41, a guide wheel frame 42, a cylinder 43, a guide post 44, a flaw detector fixing frame 45 and a flaw detector 46. The guide wheel 41 is arranged on the guide wheel frame 42 and is matched with a flaw detector guide rail to ensure that the flaw detector 46 moves straightly; the guide wheel rack 42 is fixedly connected with the air cylinder 43, the piston rod of the air cylinder is fixedly connected with the flaw detector fixing frame 45, one end of the guide pillar is fixedly connected with the upper part of the flaw detector fixing frame 45, and the other end of the guide pillar penetrates through a guide pillar hole of the guide wheel rack; the flaw detector 45 is fixedly connected with the lower part of the flaw detector fixing frame 45. The travelling mechanism can realize the upward movement and the downward movement of the flaw detector, and is matched with the electric pair roller component 1 to complete the scanning detection of the drill rod.
Fig. 4-5 depict the structural composition of the flaw detector. The flaw detector is composed of a magnetizer 461, traveling wheels 462, a #1 probe 463, a #2 probe 464, a probe mounting plate 465 and a flaw detector shell 466. Wherein, 2 walking wheels 462 of the flaw detector are respectively arranged in front and at the back, form an included angle of 45 degrees along the circumferential direction of the drill rod, deflect a certain angle (calculated according to the thread pitch) along the section direction of the drill rod, and are arranged on the inner side surface of a magnetic yoke polar plate of the magnetizer 461; 2 probe mounting plates 465 are respectively fixed on two sides of a magnetic yoke polar plate of the magnetizer 461 along the axial direction of the drill rod; the #1 probe 463 and the #2 probe 464 are respectively fixed on the probe mounting plates 465 on the two sides and are symmetrically distributed, the #1 probe 463 and the #2 probe 464 are follow-up probes and are tightly attached to the drill rod and are distributed in a V shape in the circumferential direction of the drill rod, the #1 probe 463 detects flaws on the wall of the drill rod, and the #2 probe 464 measures the thickness of the wall of the drill rod; the magnetizer 461 is a magnetic yoke magnetizer and axially magnetizes the drill rod; the motion track of the flaw detector on the drill rod is spiral, and non-blind area scanning detection is realized.
Fig. 6 is a schematic view of a power-driven pair of rollers. The electric roller pair 1 comprises a roller 11, a roller support 12 and a driving motor 13. The roller 11 and the driving motor 13 are both arranged on the roller support 12, the driving motor 13 can drive the roller 11 to rotate, and the roller support 12 is fixedly connected with the ground and arranged under the flaw detector 46.
FIG. 7 is a schematic diagram of the working state of the detection device for the in-situ rotation flaw detector of the drill rod, which is described as follows (wherein n and arrows indicate the rotation direction and rotation speed of the drill rod, v and arrows indicate the movement direction and speed of the flaw detector):
the drill rod is arranged on the counter roller, the flaw detector is arranged at one end of the drill rod and moves downwards under the action of the air cylinder to be in contact with the drill rod, the counter roller is driven by the driving motor to rotate, the drill rod is driven to rotate, and then the flaw detector is driven to move to the other end of the drill rod. And (5) stopping the driving motor, moving the flaw detector upwards under the action of the air cylinder, and completing the overall detection of the drill rod. In the whole detection process, the motion track of the flaw detector on the drill rod is spiral, and non-blind area scanning detection is realized.
The utility model discloses a magnetic leakage detection device of drilling rod original place rotation and drive flaw detector sideslip, simple structure, the operation is stable, has realized the drilling rod short-term test, has saved working space, and area is little. The descending height of the flaw detector is adjustable, the flaw detector is suitable for drill rods with different pipe diameter specifications, and the universality is strong. The detection process is simple and convenient to operate, the flaw detector does not need to be provided with power, high-speed automation is easy to realize, and the method has a wide application prospect.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a magnetic leakage detection device of drilling rod rotation in situ and drive flaw detector sideslip which characterized in that: comprises an electric pair of roller components, a flaw detector guide rail, a guide rail supporting frame and a flaw detector travelling mechanism;
the guide rail support frame is fixedly connected with the ground; the flaw detector guide rail is fixedly connected with the upper parts of the two guide rail supporting frames which are arranged at intervals;
the upper end of the flaw detector travelling mechanism is in sliding fit with the flaw detector guide rail, so that the flaw detector travelling mechanism moves forwards under the guidance of the flaw detector guide rail;
the two groups of electric roller pairs are fixedly connected with the ground, are arranged right below the flaw detector walking mechanism and are symmetrically distributed on the inner side of the guide rail support frame along the movement direction of the flaw detector walking mechanism;
the drilling rod erects on two sets of electronic pair of roller subassembly, and can by electronic pair of roller subassembly actuation carries out the pivot rotation, the lower extreme of appearance running gear of detecting a flaw can descend to the contact the surface of drilling rod, the pivot rotation drive of drilling rod the appearance running gear of detecting a flaw is along drilling rod axial motion to carry out the magnetic leakage through the drilling rod of the appearance pairing rotation of detecting a flaw that carries.
2. The magnetic flux leakage detection device for the in-situ rotation of the drill rod and the transverse movement driving of the flaw detector according to claim 1, wherein:
each group of electric double-roller assemblies comprises rollers, double-roller supports and driving motors which are distributed on two sides of the drill rod;
the roller and the driving motor are both arranged on the roller support, the drill rod is erected between the two rollers, the driving motor can drive the rollers to rotate and drive the drill rod to rotate in place, and the roller support is fixedly connected with the ground and arranged right below the moving direction of the flaw detector.
3. The magnetic flux leakage detection device for the in-situ rotation of the drill rod and the transverse movement driving of the flaw detector according to claim 1, wherein:
the flaw detector guide rail comprises square steel and a mounting plate, the two square steel are respectively fixed on two sides of the mounting plate to form a U-shaped guide rail, and the upper end of the flaw detector travelling mechanism rolls in the U-shaped guide rail.
4. The magnetic flux leakage detection device for the in-situ rotation of the drill rod and the transverse movement driving of the flaw detector according to claim 1, wherein:
each guide rail support frame comprises a support seat, a support leg and a rib plate; the support legs are multiple, the upper surface of the supporting seat is fixedly connected with the support legs, the lower surface of the supporting seat is fixedly connected with the ground, and the support legs are fixedly connected through the rib plates.
5. The magnetic flux leakage detection device for the in-situ rotation of the drill rod and the transverse movement driving of the flaw detector according to claim 1, wherein:
the flaw detector walking mechanism also comprises a guide wheel, a guide wheel rack, a cylinder, a guide pillar and a flaw detector fixing frame;
the guide wheel is arranged on the guide wheel frame and is matched with the guide rail of the flaw detector to ensure that the flaw detector moves straightly; the guide wheel rack is fixedly connected with the air cylinder, a piston rod of the air cylinder is fixedly connected with the flaw detector fixing frame, one end of the guide pillar is fixedly connected with the upper part of the flaw detector fixing frame, and the other end of the guide pillar penetrates through a guide pillar hole of the guide wheel rack; the flaw detector is fixedly connected with the lower part of the flaw detector fixing frame; the cylinder and the guide post are used for realizing the upward movement and the downward movement of the flaw detector.
6. The magnetic flux leakage detection device for the drill rod to rotate in situ and drive the flaw detector to move transversely according to claim 5, wherein:
the flaw detector comprises a magnetizer, a traveling wheel, a #1 probe, a #2 probe, a probe mounting plate and a flaw detector shell;
the front and the back of 2 travelling wheels of the flaw detector respectively form an included angle of 45 degrees along the circumferential direction of the drill rod, deflect a preset angle along the section direction of the drill rod, and are arranged on the inner side surface of a magnetic yoke polar plate of the magnetizer;
the number of the probe mounting plates is 2, and the probe mounting plates are respectively fixed on two sides of a magnetic yoke polar plate of the magnetizer along the axial direction of the drill rod;
the #1 probe and the #2 probe are respectively fixed on the probe mounting plates at two sides and are symmetrically distributed, the #1 probe and the #2 probe are follow-up probes and are tightly attached to the drill pipe and are distributed in a V shape in the circumferential direction of the drill pipe, the #1 probe detects the flaw of the pipe wall of the drill pipe, and the #2 probe measures the thickness of the pipe wall of the drill pipe;
the magnetizer is a magnetic yoke magnetizer and is used for axially magnetizing the drill rod; the motion track of the flaw detector on the drill rod is spiral, and non-blind area scanning detection is realized.
7. The magnetic flux leakage detection device for the drill rod to rotate in situ and drive the flaw detector to move transversely according to claim 5, wherein:
the descending height of the flaw detector is adjustable, and the flaw detector is suitable for drill rods with different pipe diameters.
8. The magnetic flux leakage detection device for the in-situ rotation of the drill rod and the transverse movement driving of the flaw detector according to claim 1, wherein:
the flaw detector guide rail is fixedly connected with the side faces of the upper part of the guide rail support frame which are arranged at intervals and arranged on two sides of the inner side of the guide rail fixing frame.
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CN113504293A (en) * | 2021-06-15 | 2021-10-15 | 浙江工业大学 | Corrosion state magnetic induction automatic scanning device along steel bar trend |
CN113504294A (en) * | 2021-06-15 | 2021-10-15 | 浙江工业大学 | Steel bar non-uniform corrosion measuring device based on magnetic induction |
CN114440805A (en) * | 2022-01-26 | 2022-05-06 | 武汉华宇一目检测装备有限公司 | Electromagnetic ultrasonic thickness measuring device and method for drill pipe |
CN114440805B (en) * | 2022-01-26 | 2024-01-02 | 武汉华宇一目检测装备有限公司 | Electromagnetic ultrasonic thickness measuring device and thickness measuring method for drill rod |
CN115264324A (en) * | 2022-09-20 | 2022-11-01 | 苏州卡帕尼智能科技有限公司 | Pipeline corrosion detection equipment based on it is portable |
CN116293291A (en) * | 2023-05-11 | 2023-06-23 | 四川经准特种设备检验有限公司 | Buried gas pipeline corrosion detection bracket and application method thereof |
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