CN107807171A - A kind of testing agency of in-service Large Oil Tank Corrosion monitoring robot - Google Patents
A kind of testing agency of in-service Large Oil Tank Corrosion monitoring robot Download PDFInfo
- Publication number
- CN107807171A CN107807171A CN201711012644.2A CN201711012644A CN107807171A CN 107807171 A CN107807171 A CN 107807171A CN 201711012644 A CN201711012644 A CN 201711012644A CN 107807171 A CN107807171 A CN 107807171A
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- Prior art keywords
- bar
- detection
- cylinder
- support
- testing agency
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
-
- 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
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
-
- 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
- G01N2291/02854—Length, thickness
-
- 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
- G01N2291/269—Various geometry objects
- G01N2291/2695—Bottles, containers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of testing agency of in-service Large Oil Tank Corrosion monitoring robot, overall structure includes hinged-support, support bar, detection bar, connector, ultrasonic thickness measuring probe.Hinged-support positioning support, two bars of detection simultaneously realize relative rotary motion between two bars.Support bar is two-stage hydraulic cylinder, and the first order is pot type piston cylinder, and second level piston rod adds spring constitution realization to stretch and contract.Detection bar is single-stage, double acting hydraulic cylinder, considers that oil gas is explosion-proof, spring electric wire transmission signal is walked out of cylinder, is connected at cylinder both ends with threaded plug, and piston-rod end flexible member connection ultrasonic probe, which is realized, bottoms out buffering.During detection, support bar releases detection bar, and detection bar elongation contacts tank bottom thickness measuring through greasy filth, and detection bar is retracted after having surveyed, and support bar retracts detection bar.The invention can effectively get around the obstacles such as tank bottom heating coil, accurate to obtain base plate thickness data, improve Corrosion of Tanks on-line checking efficiency.
Description
Technical field
The invention belongs to Corrosion of Tanks online measuring technique field, specially a kind of in-service Large Oil Tank Corrosion monitoring
The testing agency of robot.
Background technology
The substantial amounts of China's oil storage tank at present, therefore the security of petroleum storage tank operation also increasingly highlights, and influences stone
The main hidden danger of oil tank safe operation is Oil spills caused by the Corrosion of base plate of storage tank, it is therefore desirable to regularly carries out storage tank
Safety monitoring and evaluation, check Corrosion of Tanks situation, caused security incident after preventing oil product from revealing and revealing.At present, state
The interior measure that regular can opening detection is typically taken for storage tank defects detection, but can opening detection generally requires shut-down and clear tank, this
A large amount of manpower and materials are needed, therefore storage tank online measuring technique turns into trend, conventional acoustic emission, supersonic guide-wave, robot
The methods of on-line checking, wherein again with the most effective fruit of robot on-line checking with it is feasible.Current robot on-line checking uses
The mode of tank bottom walking detection, is only applicable to the less finished product oil tank of barrier, for having a large amount of greasy filth and heating coil etc.
The crude oil storage tank of obstacle, this detection method do not apply to simultaneously, therefore urgently propose a kind of targetedly testing agency.
The content of the invention
Storage tank bottom plate is detected in the case of barrier on storage tank bottom plate can not being present for existing robot on-line checking
Corrosion condition, the invention discloses a kind of testing agency of in-service Large Oil Tank Corrosion monitoring robot.
The technical solution adopted in the present invention is：
The mechanism is made up of hinged-support, support bar, connector, detection bar, ultrasonic thickness measuring probe.Left end hinged-support fixes branch
Strut, right-hand member hinged-support fixed test bar, and realize the relative rotation between two bars.Support bar is two-stage hydraulic cylinder, and the first order is lived
Plug cylinder is the hydraulic cylinder that stretching motion is carried out using hydraulic pressure oil inlet and oil return；Second level piston rod is small by first order piston cylinder afterbody
Hole oil-feed is stretched out to realize, while drives the spring elongation of installation, passes through the restoring force band piston of spring during oil return
Bar bounces back.Connector realizes power and torque transmission of the support bar to detection bar.Detection bar is single-stage, double acting hydraulic cylinder, is passed through
The flexible of piston rod is realized in inlet (outlet) commutation；Consider that oil gas explosion-proof take walks spring electric wire in cylinder, spring electric wire and aviation
Plug is connected；Left end aviation plug is connected with cylinder body base end by thread seal, right-hand member aviation plug and elastic telescopic sleeve pipe
Threaded connection；Elastic telescopic set left end is connected with piston rod thread, and right-hand member is fixedly connected with ultrasonic thickness measuring probe.
During detection, the testing agency extends in hydraulic-driven lower support bar promotes detection bar to open, the then work of detection bar
Stopper rod stretches out, and drives ultrasonic probe pass through greasy filth contact base plate, elastic telescopic sleeve pipe played in this contact process pretension with
Buffer, in place rear ultrasonic thickness measuring probe thickness measuring, the piston rod of detection bar is first retracted after detection, and then detection bar is in support bar
Collapsed under the drive of retraction, complete one-time detection task.
Compared with the prior art, the present invention has advantages below：
1st, take the lead in proposing this scheme in Corrosion of Tanks online measuring technique field.
2nd, it is light, succinct using spring retraction compared with conventional multi-level telescopic hydraulic cylinder.
3rd, the mode of hydraulic cylinder interior cabling solves oil gas Explosion-Proof, reliable, innovation.
4th, piston rod and ultrasonic thickness measuring probe are connected using the telescopic tube of flexible effect, prevents probe from being produced with bottom plate
Raw collision, causes to damage.
5th, the barriers such as heating coil can be effectively avoided using this mechanism, can be carried out in having compared with the storage tank of heat-bodied oil mud
Line detects, practical, economical.
Brief description of the drawings
Fig. 1 is the knot under a kind of testing agency's retracted state of in-service Large Oil Tank Corrosion monitoring robot of the present invention
Structure schematic diagram.
Fig. 2 is the knot under a kind of testing agency's deployed condition of in-service Large Oil Tank Corrosion monitoring robot of the present invention
Structure schematic diagram.
Fig. 3 is connector sectional view of the present invention.
Fig. 4 is the partial sectional view of support hydraulic pressure bar of the present invention.
Fig. 5 is the partial sectional view of present invention detection hydraulic stem.
In Fig. 1：1. hinged-support, 2. support bars, 3. connectors, 4. detection bars, 5. ultrasonic thickness measuring probes.
In Fig. 2：201. upper end inlet (outlet)s, 202. cylinder bodies, 203. enter oil outlet, 204. cylinder caps, 205. springs, and 206.
First order piston cylinder, 207. end caps, 208 second level piston rods, 209. piston rings, 211. lower end inlet (outlet)s, 210. is dust-proof
Circle, 212. combined seal rings, 213. piston ring packings.
In Fig. 3：4011. left end aviation plugs, 4012. right-hand member aviation plugs, 402. left end inlet (outlet)s, 403. combinations
Sealing ring, 404. piston ring packings, 405. cylinder bodies, 406. spring electric wires, 407. right-hand member inlet (outlet)s, 408. elastic telescopic sets
Pipe, 409. dust rings, 410. cylinder caps, 411. piston rods.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, a kind of testing agency of in-service Large Oil Tank Corrosion monitoring robot of the present invention includes a left side
Hold hinged-support (101), right-hand member hinged-support (102), support bar (2), connector (3), detection bar (4), ultrasonic thickness measuring probe (5).
The fixed support bar (2) of left end hinged-support (101), right-hand member hinged-support (102) fixed test bar (4)；Connector (3) connection support bar
(2) with detection bar (4)；Ultrasonic thickness measuring probe (5) is fixed on detection bar (4) front end.The structure be one kind can folding structure, storing up
When tank bottom has the obstacles such as heating coil, greasy filth, on-line checking can be still carried out.Once complete testing process is：Support bar
(2) stretching out promotes detection bar (4) to reach upright position, and the piston rod (411) of detection bar (4) stretches out afterwards, makes piston rod (411)
The ultrasonic thickness measuring probe (5) of front end carries out on-line checking, the piston rod of detection bar (4) after detection through greasy filth contact base plate
(411) retract, then bounced back by support bar (2) and detection bar (4) is retracted to initial position.
A kind of as shown in figure 4, support bar of the testing agency of in-service Large Oil Tank Corrosion monitoring robot of the present invention
(2) include upper end inlet (outlet) (201), lower end inlet (outlet) (211), cylinder body (202), enter oil outlet (203), cylinder cap
(204), spring (205), first order piston cylinder (206), end cap (207), second level piston rod (208), piston ring (209), anti-
Konisphere (210), combined seal ring (212), piston ring packing (213).Cylinder body (202) and cylinder cap (204) screw thread in support bar (2)
Connection, cylinder cap (204) is built with dust ring (210)；Piston ring packing (209) and group are housed on first order piston cylinder (206)
Sealing ring (212) is closed, is slidably connected with cylinder body (202)；First order piston cylinder (206) afterbody be drilled with into oil outlet (203) and
Install end cap (207) additional, and internal welding is connected to spring (205)；Second level piston rod (208) adds two piston rings (209), with
First order piston cylinder (206) is slidably connected, and is welded with the spring (205) in first order piston cylinder (206).The support of the present invention
Bar (2) is the folding and unfolding for realizing detection bar (4), and scheme is using a two-stage hydraulic cylinder as support bar (2), first order piston
The flexible oil inlet and oil return by upper and lower ends disengaging (going out) hydraulic fluid port (201), (211) of cylinder (206) realizes stretching motion；The second level
The flexible of piston rod (208) is divided into two parts：It is entered when stretching out by the afterbody aperture (203) of first order piston cylinder (206)
Oil promotes second level piston rod (208) to stretch out, while pulls spring (205) to extend；Hydraulic oil-returning additional bullet is then relied on during contraction
Spring force bounces back.The stretching motion of whole second piston rod is realized by the motion of the two parts.
A kind of as shown in figure 5, detection bar of the testing agency of in-service Large Oil Tank Corrosion monitoring robot of the present invention
(2) include left end aviation plug (4011), right-hand member aviation plug (4012), left end inlet (outlet) (402), right-hand member and enter and (go out) oil
Mouth (407), combined seal ring (403), piston ring packing (404), cylinder body (405), spring electric wire (406), elastic telescopic sleeve pipe
(408), dust ring (409), cylinder cap (410), piston rod (411).Cylinder body (405) left end afterbody adds a left side in detection bar (4)
Hold aviation plug (4011), left end aviation plug (4011) welding spring electric wire (406) one end；Cylinder body (405) right-hand member adds
Cylinder cap (410), cylinder cap (410) is built with dust ring (409)；Equipped with piston ring packing (404) and combination on piston rod (411)
Sealing ring (403), it is slidably connected with cylinder body (405)；Piston rod (411) right-hand member is threadedly coupled with elastic telescopic set (408), elasticity
Telescopic (408) and it is threadedly coupled with right-hand member aviation plug (4012)；Right-hand member aviation plug (4012) welding spring electric wire (406)
The other end；Elastic telescopic set (408) right-hand member is connected with ultrasonic thickness measuring probe (5).The present invention detection bar (4) be in order to realize by
Ultrasonic thickness measuring probe (5) delivers to storage tank bottom plate and carries out on-line checking, using single-stage, double acting hydraulic cylinder.Detection bar, which is stretched out, to be relied on
Left end inlet (outlet) (402) oil-feed right-hand member inlet (outlet) (407) is fuel-displaced, and ultrasonic thickness measuring probe (5) detects after stretching, detection
After pass through fuel-displaced right-hand member inlet (outlet) (407) the oil-feed retract piston bar (411) of left end inlet (outlet) (402), realize
Detection bar is stretched detection function.Consider that oil gas explosion-proof take walks spring electric wire (406) in cylinder, spring electric wire (406) one end and a left side
Aviation plug (4011) is held to be connected, the other end is connected with right-hand member aviation plug (4012)；Left end aviation plug (4011) and cylinder body
Base end is connected by thread seal, and right-hand member aviation plug (4012) is threadedly coupled with elastic telescopic sleeve pipe (408)；Elastic telescopic
Set (408) one end is threadedly coupled with piston rod (411), and the other end is fixedly connected with ultrasonic thickness measuring probe (5)
Obviously, those skilled in the art belong to the guarantor of the present invention based on many modifications and variations that spirit of the invention is done
Protect scope.
Claims (3)
1. a kind of testing agency of in-service Large Oil Tank Corrosion monitoring robot, overall structure includes hinged-support (1), support
Bar (2), detection bar (3), connector (4), ultrasonic thickness measuring probe (5)；Its integral structure characteristic is：Described overall structure is adopted
The folding and unfolding and detection of mechanism are realized by bar linkage structure with two hydraulic cylinders.
2. a kind of testing agency of in-service Large Oil Tank Corrosion monitoring robot as claimed in claim 1, its feature exist
In：Described support bar is two-stage hydraulic cylinder, and first order piston cylinder is the double acting cylinder that hydraulic pressure oil inlet and oil return realizes stretching motion；The
Second piston rod is stretched out by hydraulic-driven, and the elastic force for the spring for passing through installation is retracted.
3. a kind of testing agency of in-service Large Oil Tank Corrosion monitoring robot as claimed in claim 1, its feature exist
In：Described detection bar is single stage hydraulic cylinder, is realized by the oil inlet and oil return of hydraulic pressure flexible；Bar front end install elastic telescopic sleeve pipe with
Ultrasonic thickness measuring probe connects, and it detects circuit using cabling mode inside hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711012644.2A CN107807171A (en) | 2017-10-26 | 2017-10-26 | A kind of testing agency of in-service Large Oil Tank Corrosion monitoring robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711012644.2A CN107807171A (en) | 2017-10-26 | 2017-10-26 | A kind of testing agency of in-service Large Oil Tank Corrosion monitoring robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107807171A true CN107807171A (en) | 2018-03-16 |
Family
ID=61592522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711012644.2A Pending CN107807171A (en) | 2017-10-26 | 2017-10-26 | A kind of testing agency of in-service Large Oil Tank Corrosion monitoring robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107807171A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490072A (en) * | 2018-03-21 | 2018-09-04 | 合肥通用机械研究院有限公司 | High frequency Guided waves storage tank bottom plate method |
| CN108680644A (en) * | 2018-04-02 | 2018-10-19 | 西南石油大学 | A kind of in-service Corrosion of Tanks detection robot |
| US11415260B2 (en) | 2019-11-06 | 2022-08-16 | Saudi Arabian Oil Company | Robotic inspection device for tank and pipe inspections |
| US11526168B2 (en) | 2019-11-14 | 2022-12-13 | Saudi Arabian Oil Company | Robotic inspection of in-service tanks through lower wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN108680644B (en) * | 2018-04-02 | 2020-12-18 | 西南石油大学 | In-service storage tank corrosion detection robot |
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Application publication date: 20180316 |
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