CN106841388A - A kind of oval oil-gas pipeline supersonic detection device - Google Patents

A kind of oval oil-gas pipeline supersonic detection device Download PDF

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Publication number
CN106841388A
CN106841388A CN201710092037.5A CN201710092037A CN106841388A CN 106841388 A CN106841388 A CN 106841388A CN 201710092037 A CN201710092037 A CN 201710092037A CN 106841388 A CN106841388 A CN 106841388A
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China
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probe
girder
ball
circumferential movement
detection device
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CN201710092037.5A
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Chinese (zh)
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孙欣
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Individual
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Priority to CN201710092037.5A priority Critical patent/CN106841388A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
    • G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/0289—Internal structure, e.g. defects, grain size, texture
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/263—Surfaces
    • G01N2291/2634—Surfaces cylindrical from outside

Abstract

The invention discloses a kind of oil-gas pipeline supersonic detection device, including fixed support, axial motion mechanism, circumferential movement mechanism, probe holder；Fixed support supports axial motion mechanism；Axial motion mechanism is installed on fixed support；Circumferential movement mechanism is installed in axial motion mechanism, and control probe holder is along pipeline circumferential movement.The present invention can be good at detecting special-shaped pipeline that loss is low.

Description

A kind of oval oil-gas pipeline supersonic detection device
The application is this patent No. 201510186660.8, and the applying date is on April 18th, 2015, entitled " one Plant special-shaped oil-gas pipeline supersonic detection device ".
Technical field
The present invention relates to a kind of oval oil-gas pipeline supersonic detection device.
Background technology
Petroleum gas has turned into the most important energy strategy goods and materials of today's society.Pipeline transportation as petroleum gas most Economy, maximally effective transportation means, development is swift and violent.But with increasing for pipeline, the fortune of the growth in pipe age, and HTHP Defeated environment, the defect in pipeline easilys lead to the generation of leakage accident, causes serious security incident.So, regularly to oil Feed channel carries out Non-Destructive Testing, with significant economic benefit and social benefit, at present for the such as oval pipeline of special-shaped pipeline, Some special random arc pipes, general ultrasonic detection device is unable to reach the purpose of automatic detection, can only pass through Investigate manually, it is easy to the situation of missing inspection occur.
The content of the invention
For above-mentioned existing issue, the present invention provides a kind of oval oil-gas pipeline supersonic detection device, can be to abnormity Pipeline carries out automatic ultrasonic testing.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of oval oil-gas pipeline supersonic detection device, including fixed support, axial motion mechanism, circumferential movement mechanism, spy The headstock；Fixed support supports axial motion mechanism, and fixed scanning equipment is in pipe under test outer surface；Axial motion mechanism is installed on On fixed support, control circumferential movement mechanism is axially moved along pipeline；Circumferential movement mechanism is installed in axial motion mechanism, control Probe holder processed is along pipeline circumferential movement；Probe holder clamps ultrasonic probe, ultrasonic probe is kept close contact with pipeline external surface；
Described fixed support is made up of two symmetrical girder steels；Described girder steel is made up of one block of girder, two pieces of curb girders, curb girder Girder both sides are installed on, the variable-angle between curb girder and girder, the lower surface of every block of girder and curb girder and pipeline directly contact The lower surface for having anti-skid rubber cushion, described anti-skid rubber cushion is provided with some suckers；The edge of the lower surface of anti-skid rubber cushion A circle positioning convex strip is provided with, the bottom surface of the positioning convex strip caves inward to form horn-like groove；
Described circumferential movement mechanism is installed on the support base of axial motion mechanism, base one end and the branch of circumferential movement mechanism Support seat is hinged, and the other end is provided with 2 identical angular adjustment springs, and angular adjustment spring can adjust angle, and with pressure Tightly and reset function；
Circumferential movement mechanism is made up of base, the second stepper motor, the second ball-screw, the second ball-screw nut seat, and second Ball-screw is fixed on base, second the second ball screw turns of step motor control, so as to drive ball-screw nut seat Moved along a straight line along the axial direction of the second ball-screw；
Described probe holder includes probe holder pedestal, height regulation spring, probe gripper, and probe holder pedestal is fixed on by cross bar On the ball-screw nut seat of circumferential movement mechanism, there is pin-and-hole in the middle of probe base, live post is consolidated by pin-and-hole and with connecting plate Fixed connection, the live post between probe base and connecting plate is cased with height regulation spring, and connecting plate is hinged with the probe gripper of lower section, And four probe regulation springs are installed between connecting plate and probe gripper.
Described axial motion mechanism is installed on support bracket fastened girder, by the first stepper motor, the first ball-screw, Guide rail, support base composition, first the first ball screw turns of step motor control, so as to drive support base to move along the rail.
The first described stepper motor, the second stepper motor is stepper motor with encoder.
Described probe gripper has probe protection rubber blanket with ultrasonic probe directly contact surface mount.
There is the elastic rubber band with buckle to be fixed on pipeline external surface to be detected for the end of described girder steel.
Beneficial effects of the present invention：The ability for possessing the radial direction detection of typical circular pipeline first and axially detecting, leads to Cross axial motion mechanism and week as the mobile cooperation ultrasonic probe of motion come complete detection, and the present invention be also provided with it is different The circumferential ultrasound detection of the detection of shape pipeline, particularly oval ducts, " cuts with scissors base one end of circumferential movement mechanism with support base Connect, the other end is provided with 2 identical angular adjustment springs ", this structure is able to ensure that probe holder in real-time adjustment Position, when the radian of special-shaped pipeline changes, its angular adjustment spring can also follow telescopic adjustment support base, it is ensured that probe holder and pipe Road surface keeps certain fixed angle, and " probe holder includes probe holder pedestal, height regulation spring, probe gripper, probe Frame pedestal is fixed on the ball-screw nut of circumferential movement mechanism seat by cross bar, has pin-and-hole, live post in the middle of probe base It is fixedly connected by pin-and-hole and with connecting plate, the live post between probe base and connecting plate is cased with height regulation spring, connecting plate Probe gripper with lower section is hinged, and four probe regulation springs are provided between connecting plate and probe gripper " cause ultrasound More preferably, the change of special-shaped pipeline curved surface can cause that height regulation spring and probe regulation spring are stretched in real time to the regulating power of probe Contracting change, it is ensured that ultrasonic probe be able to will not change with the surface close contact of pipeline, and angle, and the present invention Simple structure, it is with low cost.
Girder of the present invention and curb girder have anti-skid rubber cushion to be not only provided with sucker, Er Qiezhou with the lower surface of pipeline directly contact Enclose one circle positioning convex strip bottom surface also cave inward to form horn-like groove, sucker and horn-like groove after being under pressure, Bottom surface, excellent adsorption can be firmly close to.And due to being additionally provided with and positioning convex strip cooperation in the upper surface of anti-skid rubber cushion Detent, if therefore when needing thicker anti-skid rubber cushion, it is only necessary to multi-disc anti-skid rubber cushion is superimposed with regard to energy Use, and upper a piece of sucker can hold down a piece of upper surface, it is ensured that monolithic anti-skid rubber cushion does not fall out, especially different Shape pipeline irregularity increases and decreases anti-skid rubber cushion, strengthens the stability of whole detection means.
Brief description of the drawings
Fig. 1 is scanning equipment overall structure diagram；
Fig. 2 is fixing rack structure schematic diagram；
Fig. 3 is probe holder structural representation；
Fig. 4 is anti-skid rubber cushion structure chart；
Fig. 5 is the side view of anti-skid rubber cushion raised line.
Specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Below in conjunction with the accompanying drawings, technical scheme is further described.
The present invention provides a kind of special-shaped oil-gas pipeline supersonic detection device.The device can control ultrasonic probe along special pipe Road outer surface axially or is circumferentially accurately automatically moved, and nondestructive inspection scanning is carried out using ultrasonic signal, is conducive to ultrasonic signal Collection and the identification of defect.
A kind of special-shaped oil-gas pipeline supersonic detection device, includes fixed support 1, axial motion mechanism as shown in Fig. 1 to Fig. 3 2nd, circumferential movement mechanism 3, probe holder 4；Fixed support 1 supports axial motion mechanism 2, and fixed scanning equipment is in pipe under test appearance Face；Axial motion mechanism 2 is installed on fixed support 1, and control circumferential movement mechanism 3 is axially moved along pipeline；Circumferential movement machine Structure 3 is installed in axial motion mechanism 2, and control probe holder 4 is along pipeline circumferential movement；Probe holder 4 clamps ultrasonic probe 5, makes to surpass Sonic probe 5 keeps close contact with pipeline external surface；
Described fixed support 1 is made up of two symmetrical girder steels；The end of described girder steel has the elastic caoutchouc with buckle Band 1-3 is fixed on pipeline external surface to be detected；
Described girder steel is installed on girder 1-1 both sides, curb girder 1-2 by one piece of girder 1-1, two pieces of curb girder 1-2 compositions, curb girder 1-2 With the variable-angle between girder 1-1, the lower surface of every piece of girder 1-1 and curb girder 1-2 and pipeline directly contact has anti-slip rubber Pad 1-4, as shown in Figure 4 and Figure 5, the lower surface of anti-skid rubber cushion 1-4 is provided with some sucker 1-5；Under anti-skid rubber cushion 1-4 The edge on surface is provided with a circle positioning convex strip 1-6, and the bottom surface of the positioning convex strip 1-6 caves inward to form horn-like groove 1- 7；
Described circumferential movement mechanism 3 is installed on the support base 2-4 of axial motion mechanism 2, the base 3- of circumferential movement mechanism 3 1 one end is hinged with support base 2-4, and the other end is provided with 2 identicals angular adjustment spring 2-5, angular adjustment spring 2-5 can be with Regulation angle, and with compression and reset function；Probe holder is enough ensured a position for real-time adjustment, when the arc of special-shaped pipeline Degree change, its angular adjustment spring can also follow telescopic adjustment support base, it is ensured that probe holder keeps certain angle with pipe surface Degree.
Circumferential movement mechanism 3 is by base 3-1, the second stepper motor 3-2, the second ball-screw 3-3, the second ball-screw spiral shell Female seat 3-4 is constituted, and the second ball-screw 3-3 is fixed on base 3-1, and the second stepper motor 3-2 controls the second ball-screw 3-3 Rotate, so as to drive ball-screw nut seat 3-4 to be moved along a straight line along the axial direction of the second ball-screw 3-3；
Described probe holder 4 includes probe holder pedestal 4-1, height regulation spring 4-2, probe gripper 4-3, probe holder pedestal 4-1 It is fixed on the ball-screw nut of circumferential movement mechanism 3 seat 3-4 by cross bar, there is pin-and-hole, live post in the middle of probe base 4-1 6-1 is fixedly connected by pin-and-hole and with connecting plate 6-2, and the live post 6-1 between probe base 4-1 and connecting plate 6-2 is cased with height Regulation spring 4-2, can be by the height between the adjustment probe holder pedestal 4-1 and connecting plate 6-2 of tension force of spring self adaptation Distance, connecting plate 6-2 is hinged with the probe gripper 4-3 of lower section, and is provided with four between connecting plate 6-2 and probe gripper 4-3 Individual probe regulation spring 4-4, can finely tune the angle of probe gripper 4-3, when canal surface out-of-flatness, four probe regulation bullets The collapsing length of spring 4-4 is also inconsistent, it is ensured that the smooth angle of probe gripper 4-3, and then ensure that the detection of ultrasonic probe 5 Angle.
Described axial motion mechanism 2 is installed on support bracket fastened girder 1-1, by the first stepper motor 2-1, the first rolling Ballscrew 2-2, guide rail 2-3, support base 2-4 compositions, the first stepper motor 2-1 controls the first ball-screw 2-2 to rotate, so that band Dynamic support base 2-4 is moved along guide rail 2-3.
The first described stepper motor 2-1, the second stepper motor 3-2 is stepper motor with encoder.
Described probe gripper 4-3 and the directly contact surface mount of ultrasonic probe 5 have the probe protection rubber blanket 4-5 can to protect Shield ultrasonic probe 5 and increase contact friction force.
Sketch the control method of this special-shaped oil-gas pipeline supersonic detection device.
The motion control of the present apparatus can combine completion with control software by motion control cabinet.Scanning equipment and control machine Case is connected, and controlling machine box are connected with computer, and control software is installed on computers, and control software needs good man-machine friendship Mutual interface.
When using, by operating personnel according to Site Detection demand, by software interface, instruction is assigned to scanning equipment.Than Ultrasonic probe 5 is such as controlled to be axially moved the segment distance of scanning one, or control ultrasonic probe 5 with certain speed along pipeline with certain speed Spend along the segment distance of pipeline circumferential movement scanning one, if assigning the instruction of both direction simultaneously, it is possible to realize certain angle of inclination Scanning.Because scanning process is all automatically performed by scanning equipment according to order, so reducing environmental disturbances, be conducive to inspection Survey the collection of signal and the identification of defect.

Claims (7)

1. a kind of oval oil-gas pipeline supersonic detection device, it is characterised in that：Including fixed support（1）, axial motion mechanism （2）, circumferential movement mechanism（3）, probe holder（4）, described fixed support（1）It is made up of two symmetrical girder steels；Described steel Beam is by one block of girder（1-1）, two pieces of curb girders（1-2）Constitute, curb girder（1-2）It is installed on girder（1-1）Both sides, curb girder（1-2）With Girder（1-1）Between variable-angle, every block of girder（1-1）And curb girder（1-2）Have anti-skidding with the lower surface of pipeline directly contact Rubber blanket（1-4）, described anti-skid rubber cushion（1-4）Lower surface be provided with some suckers（1-5）, the end of described girder steel has There is the elastic rubber band with buckle（1-3）It is fixed on pipeline external surface to be detected.
2. oval oil-gas pipeline supersonic detection device according to claim 1, it is characterised in that：Described fixed support （1）Support axial motion mechanism（2）, fixed scanning equipment is in pipe under test outer surface；Axial motion mechanism（2）It is installed on fixation Support（1）On, control circumferential movement mechanism（3）It is axially moved along pipeline；Circumferential movement mechanism（3）It is installed on axial motion mechanism （2）On, control probe holder（4）Along pipeline circumferential movement；Probe holder（4）Clamping ultrasonic probe（5）.
3. oval oil-gas pipeline supersonic detection device according to claim 1, it is characterised in that：Anti-skid rubber cushion（1- 4）The edge of lower surface be provided with a circle positioning convex strip（1-6）, the positioning convex strip（1-6）Bottom surface cave inward to form loudspeaker The groove of shape（1-7）.
4. oval oil-gas pipeline supersonic detection device according to claim 1, it is characterised in that：Described circumferential movement Mechanism（3）It is installed on axial motion mechanism（2）Support base（2-4）On, circumferential movement mechanism（3）Base（3-1）One end with Support base（2-4）It is hinged, the other end is provided with 2 identical angular adjustment springs（2-5）, angular adjustment spring（2-5）Can be with Regulation angle, and with compression and reset function；
Circumferential movement mechanism（3）By base（3-1）, the second stepper motor（3-2）, the second ball-screw（3-3）, the second ball wire Thick stick nut seat（3-4）Constitute, the second ball-screw（3-3）It is fixed on base（3-1）On, the second stepper motor（3-2）Control the Two ball-screws（3-3）Rotate, so as to drive ball-screw nut seat（3-4）Along the second ball-screw（3-3）Axial direction carry out Linear motion；
Described probe holder（4）Including probe holder pedestal（4-1）, height regulation spring（4-2）, probe gripper（4-3）, probe holder Pedestal（4-1）Circumferential movement mechanism is fixed on by cross bar（3）Ball-screw nut seat（3-4）On, probe base（4-1）In Between have pin-and-hole, live post（6-1）By pin-and-hole and and connecting plate（6-2）It is fixedly connected, probe base（4-1）With connecting plate（6- 2）Between live post（6-1）It is cased with height regulation spring（4-2）, connecting plate（6-2）With the probe gripper of lower section（4-3）It is hinged, And connecting plate（6-2）With probe gripper（4-3）Between be provided with four probe regulation springs（4-4）.
5. oval oil-gas pipeline supersonic detection device according to claim 4, it is characterised in that：Described axial movement Mechanism（2）It is installed on support bracket fastened girder（1-1）On, by the first stepper motor（2-1）, the first ball-screw（2-2）, guide rail （2-3）, support base（2-4）Composition, the first stepper motor（2-1）Control the first ball-screw（2-2）Rotate, so as to drive support Seat（2-4）Along guide rail（2-3）Motion.
6. oval oil-gas pipeline supersonic detection device according to claim 4, it is characterised in that：The first described stepping Motor（2-1）, the second stepper motor（3-2）It is stepper motor with encoder.
7. oval oil-gas pipeline supersonic detection device according to claim 2, it is characterised in that：Described probe gripper （4-3）With ultrasonic probe（5）Directly contact surface mount has probe protection rubber blanket（4-5）.
CN201710092037.5A 2015-04-18 2015-04-18 A kind of oval oil-gas pipeline supersonic detection device Pending CN106841388A (en)

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CN201510186660.8A CN104749252B (en) 2015-04-18 2015-04-18 A kind of special-shaped oil and gas pipes supersonic detection device
CN201710092037.5A CN106841388A (en) 2015-04-18 2015-04-18 A kind of oval oil-gas pipeline supersonic detection device

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CN113090957A (en) * 2021-04-30 2021-07-09 中国地震局工程力学研究所 Pipeline outer wall detection device
CN113267150A (en) * 2021-07-02 2021-08-17 中国石油大学(北京) Ultrasonic wall thickness online monitoring device for oil and gas pipeline

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CN113267150A (en) * 2021-07-02 2021-08-17 中国石油大学(北京) Ultrasonic wall thickness online monitoring device for oil and gas pipeline
CN113267150B (en) * 2021-07-02 2022-02-11 中国石油大学(北京) Ultrasonic wall thickness online monitoring device for oil and gas pipeline

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