CN103245730A - High-tension porcelain insulator flaw-detection creeping wave probe clamp - Google Patents

High-tension porcelain insulator flaw-detection creeping wave probe clamp Download PDF

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Publication number
CN103245730A
CN103245730A CN2013101184633A CN201310118463A CN103245730A CN 103245730 A CN103245730 A CN 103245730A CN 2013101184633 A CN2013101184633 A CN 2013101184633A CN 201310118463 A CN201310118463 A CN 201310118463A CN 103245730 A CN103245730 A CN 103245730A
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China
Prior art keywords
fixed
movable
handle
probe
porcelain insulator
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CN2013101184633A
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Chinese (zh)
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CN103245730B (en
Inventor
郭志斌
黄招燕
詹长熟
郑永强
黄堃
苏隆勋
杨燕琴
林芬
龚智煌
郭飞雪
Original Assignee
国家电网公司
福建省电力有限公司
福建省电力有限公司三明电业局
福建省永安市供电有限公司
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Priority to CN201310118463.3A priority Critical patent/CN103245730B/en
Publication of CN103245730A publication Critical patent/CN103245730A/en
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Abstract

The invention discloses a high-tension porcelain insulator flaw-detection creeping wave probe clamp. The high-tension porcelain insulator flaw-detection creeping wave probe clamp comprises a retractable rotating porcelain insulator clip with a movable part and a fixing part, and a compacting crank arm, wherein the movable part and the fixed part define a ring structure when being closed, the compacting crank arm is used for fixing a probe, rubber wheels are arranged at intervals along the annular directions of the fixed part and the movable part, and the rubber wheels rotate along the direction of an annular plane defined by the fixed part and the movable part. According to the high-tension porcelain insulator flaw-detection creeping wave probe clamp, the creeping wave probe is fixed on the stable rotating porcelain insulator clip, and the moving of the probe is realized through the integral sliding of the rotating porcelain insulator clip, so that the detecting range is wide, the probe moves more smoothly, the speed is more uniform, and the problem of high possibility of detection dead angles caused by the conventional detection method that a probe is held by a hand is solved; moreover, the compacting crank arm is used for providing the pressure applied to the probe, so that the attaching between the probe and the porcelain insulator is compact, and stress is more uniform, and detection errors caused by different pressing force degrees of different detectors are reduced to the greatest extent.

Description

High-tension porcelain insulator flaw detection creeping wave probe clamper
Technical field
The present invention relates to a kind of probe clamper, particularly a kind of 110kV to 220kV high-voltage strut porcelain vase UT (Ultrasonic Testing) creeping wave probe dedicated workholder that is applicable to.
Background technology
The high-voltage strut porcelain vase is as the vitals that constitutes isolation switch, and its operation conditions is directly connected to the security of operation of electrical network.Because high-voltage strut porcelain vase manufacturing process and the stressed influence of long period of operation, a lot of electric network faults that rupture in operation and cause because of support insulator once appearred in recent years.In order in time to find to exist the high-voltage strut porcelain vase of defective, prevent its fracture that in operation, meets accident, electric system has been carried out operating high-voltage strut porcelain vase has been carried out the UT (Ultrasonic Testing) detection, and emphasis is to adopt to climb the surface crack that ripple detection method detection high-voltage strut porcelain vase mucilage binding position hides.
When carrying out high-voltage strut porcelain vase carrying out flaw detection, the testing staff adopts a hand-held defectoscope usually, and another hand pinches the method that creeping wave probe moves on the surface of high-voltage strut porcelain vase and detects.Because the restriction of detection position and site work condition, often occur in operation having had a strong impact on accuracy and detection efficiency that the high-voltage strut porcelain vase detects because creeping wave probe and porcelain vase surface do not reach the position, the testing staff presses different, the inhomogeneous detection that causes of the translational speed phenomenon lack of standardization, inaccurate, not in place of popping one's head in of dynamics.
In order to solve the problem that exists in the porcelain vase carrying out flaw detection, instrument manufacturer taked in succession to improve creeping wave probe profile, the outer method such as handle of grabbing of probe is set, but owing to still adopt artificial mode of handing and pressing probe to detect, on-the-spot result of use is unsatisfactory.Porcelain vase carrying out flaw detection phenomenon lack of standardization, inaccurate, not in place still exists.
Summary of the invention
The objective of the invention is to solve the deficiencies in the prior art part, and a kind of high-tension porcelain insulator simple to operate, easy to use flaw detection creeping wave probe clamper is provided.
A kind of high-tension porcelain insulator flaw detection creeping wave probe clamper, its structural feature is: but include a rotation porcelain vase folder that has the folding of movable part and fixed part, movable part and fixed part surround a ring texture when closed, one is used for compressing of static probe and cranks arm, between described movable part and the fixed part for can realize that the mode of plane relative motion is hinged, fixed part is provided with handle, adopt the mode of gimbal suspension formula to be connected between handle and the fixed part, be provided for opening and closing the top board of movable part on the movable part, described top board links to each other with handle on being arranged on handle by seizing wire, be provided with the spring for the top board return between described top board and the fixed part, thereby the handle axis of handle relatively moves up and down and drives the seizing wire motion, and then the drive movable part is done open and close movement, described compress to crank arm form by two plates are hinged, compress two plates of cranking arm can do move toward one another and heterodromous mode is hinged, compressing the end of cranking arm does in opposite directions and is hinged on the fixed part with heterodromous mode with the whole circumferentia of cranking arm relatively that compresses, compress crank arm and fixed part between be provided with the back-moving spring of tension on fixed part of can will compress cranking arm, the other end that compresses curved wall is provided with the creeping wave probe holder, walking upwards to be arranged at intervals with rubber wheel along the annular of fixed part and movable part, the rotation direction of rubber wheel is rotated along the direction of the ring plain that fixed part and movable part surround.
The high-tension porcelain insulator flaw detection creeping wave probe clamper of this structure, in use, brush one deck machine oil at the detected face place of high-voltage strut porcelain vase earlier, with creeping wave probe by the detection side in the creeping wave probe holder of packing into, tighten the both sides set bolt, connect the probe signal line between good creeping wave probe and the ultra-sonic defect detector.Hold the handle of clamper, clutch and open handle rotation porcelain vase folder movable part is opened, rotation porcelain vase bracket is gone into the below of first porcelain patticoat of tested high-voltage strut porcelain vase, open handle rotation porcelain vase clamp roll wheel is closely contacted with the high-voltage strut porcelain vase, clamp porcelain vase.Suitable adjusting compresses the height of cranking arm is attached on the detected face of high-voltage strut porcelain vase creeping wave probe just.At this moment, hold holder handle according to the standing place mix up handle the turnover angle and about promote rotation porcelain vase folder, the creeping wave probe on the clamper is slided around the high-voltage strut porcelain vase, can carry out the flaw detection of high-voltage strut porcelain vase and climb ripple and detected.
Work finishes, and clutches handle rotation porcelain vase folder movable part is opened, and light handle can take off clamper from the high-voltage strut porcelain vase.
Gimbal suspension formula between described handle and the fixed part is connected to, between fixed part and handle, be connected with one section connecting plate, be provided with the ring surface direction sports limiting hinge along fixed part and movable part between connecting plate and the fixed part, be provided with between connecting plate and the handle and handle done with respect to ring surface turn up or the folding hinge of opening movement.
The gimbal suspension formula of this structure connects, can guarantee handle in needed angle, realizes about, swing up and down, can easily pack up again folding, the convenient collection.
In sum, the present invention has following advantage compared to existing technology:
High-tension porcelain insulator flaw detection creeping wave probe clamper of the present invention, creeping wave probe is fixed on the stable rotation porcelain vase folder, utilize the integral body of rotation porcelain vase folder to slide to realize the movement of popping one's head in, the scope of its detection is bigger, probe is mobile more smooth-going, speed is more even, avoids the past to pinch the problem that occurs detecting the dead angle when probe detects easily with hand.Secondly owing to adopted to compress and cranked arm to provide the pressure that is applied on the probe, make and fit tightr, stressed more evenly between probe and the porcelain vase, farthest reduced because of different testing staff and pressed the detection error that the dynamics difference is brought.The 3rd has adopted folding holder handle, allow the testing staff when the high-altitude framework detects, need not squats down repeatedly and be shifted can detect, be fit to 110kV to 220kV high-voltage strut porcelain vase UT (Ultrasonic Testing) and climb ripple detection use, namely guaranteed the safety the when testing staff detects in the high-altitude, alleviate labour intensity again, also improved the efficient of on-the-spot detection simultaneously greatly.
Description of drawings
Fig. 1 is high-voltage strut porcelain vase UT (Ultrasonic Testing) creeping wave probe clamper structural representation
Fig. 2 is the vertical view of Fig. 1
Fig. 3 is that high-voltage strut porcelain vase UT (Ultrasonic Testing) creeping wave probe clamper uses synoptic diagram
Label declaration 1 handle 2 rotation porcelain vases press from both sides 3 rubber rolls, 4 high-voltage strut porcelain vases, 5 creeping wave probe holders, 6 creeping wave probes 7 and compress 8 probe signal lines, 9 ultra-sonic defect detectors, 10 top boards, 11 retracing springs, 12 connecting plates, 13 limit hinges, 14 folding hinges, 15 back-moving springs, 16 seizing wires, 17 handles, 18 set bolts of cranking arm.
 
Embodiment
Be described in more detail below in conjunction with the present invention of embodiment.
Embodiment 1
A kind of high-voltage strut porcelain vase UT (Ultrasonic Testing) creeping wave probe clamper as shown in Figure 1 comprises handle 1, rotation porcelain vase folder 2, rubber roll 3, creeping wave probe holder 5, creeping wave probe 6, compresses and crank arm 7, top board 10, retracing spring 11, connecting plate 12, limit hinge 13, folding hinge 14, back-moving spring 15, seizing wire 16, open handle 17, set bolt 18.
Described rotation porcelain vase folder 2 is equipped with one on it and can moves up and down compressing of adjusting and crank arm 7, be creeping wave probe holder 5 compressing 7 the top of cranking arm, with compress crank arm 7 over against the rotation porcelain vase to press from both sides 2 opposite sides be can left-right rotation and the holder handle 1 that can turn down up and down, also be useful on the speculum handle 17 that folding rotation porcelain vase presss from both sides 2 movable parts on the holder handle 1.7 active rubber rollers 3 laterally are equipped with in the diagonal angle in described rotation porcelain vase folder 2 its middle parts, and its left side is movable part, and the right side is fixed part, and both adopt hinge to connect, and are connected with a speculum top board 10 on it.Utilize the support power of the retracing spring 11 between top board 10 and the fixed part connecting plate 12 that porcelain vase folder 2 is remained closed, be connected in seizing wire 16 on the top board 10 by clutching handle 17 tension of opening that is fixed on the holder handle 1, make top board 10 inside motion compresses retracing springs 11 and will rotate porcelain vase and press from both sides 2 movable parts and open.
It is integral structure that described speculum top board 10 presss from both sides 2 movable parts with the rotation porcelain vase.Described rotation porcelain vase presss from both sides 2 fixed parts, one end and is connected with holder handle 1 by connecting plate 12.Compressing of other end riveted joint band creeping wave probe holder 5 cranks arm 7.Described rotation porcelain vase presss from both sides 2 fixed part connecting plates and holder handle 1 junction is spacing hinge-coupled 13.Described holder handle 1 front end and limit hinge 13 junctions are a folding hinge 14.
The compressing of described band creeping wave probe holder 57 its junctions of cranking arm adopt stainless steel locating hinges to connect, and utilize one to be fixed on rotation porcelain vase folder 2 and to compress the back-moving spring 15 of cranking arm between 7 underarms snap-in force of cranking arm is provided.Described creeping wave probe holder 5 integral solder are compressing 7 the front end of cranking arm, and its both sides respectively have a set bolt 18 to be used for the fixing of creeping wave probe 6.
During use, earlier brush one deck machine oil at high-voltage strut porcelain vase 4 detected face places, with creeping wave probe 6 by the detection side in the creeping wave probe holder 5 of packing into, tighten both sides set bolt 18, connect the probe signal line 8 between good creeping wave probe 6 and the ultra-sonic defect detector 9.Hold the handle 1 of clamper, clutch and open handle 17 rotation porcelain vase folder movable part is opened, rotation porcelain vase folder 2 forks are gone into the belows of 4 first porcelain patticoats of tested high-voltage strut porcelain vase, decontrol and open handle 17 rotation porcelain vase clamp roll wheel 3 is closely contacted with high-voltage strut porcelain vase 4, clamp porcelain vase.Suitably regulate and compress 7 the height of cranking arm creeping wave probe 6 is attached on the high-voltage strut porcelain vase 4 detected faces just.At this moment, hold holder handle 1 according to the standing place mix up handle 1 the turnover angle and about promote rotation porcelain vase folder 2, the creeping wave probe 6 on the clamper is slided around porcelain vase, can carry out the flaw detection of high-voltage strut porcelain vase and climb ripple and detected.
Work finishes, and clutches to open handle 17 and make the rotation porcelain vase press from both sides 2 movable parts and open, and light handle 1 can take off clamper from high-voltage strut porcelain vase 4.
It is same as the prior art that present embodiment is not stated part.

Claims (2)

1. high-tension porcelain insulator flaw detection creeping wave probe clamper, it is characterized in that: but include a rotation porcelain vase folder that has the folding of movable part and fixed part, movable part and fixed part surround a ring texture when closed, one is used for compressing of static probe and cranks arm, between described movable part and the fixed part for can realize that the mode of plane relative motion is hinged, fixed part is provided with handle, adopt the mode of gimbal suspension formula to be connected between handle and the fixed part, be provided for opening and closing the top board of movable part on the movable part, described top board links to each other with handle on being arranged on handle by seizing wire, be provided with the spring for the top board return between described top board and the fixed part, thereby the handle axis of handle relatively moves up and down and drives the seizing wire motion, and then the drive movable part is done open and close movement, described compress to crank arm form by two plates are hinged, compress two plates of cranking arm can do move toward one another and heterodromous mode is hinged, compressing the end of cranking arm does in opposite directions and is hinged on the fixed part with heterodromous mode with the whole circumferentia of cranking arm relatively that compresses, compress crank arm and fixed part between be provided with the back-moving spring of tension on fixed part of can will compress cranking arm, the other end that compresses curved wall is provided with the creeping wave probe holder, walking upwards to be arranged at intervals with rubber wheel along the annular of fixed part and movable part, the rotation direction of rubber wheel is rotated along the direction of the ring plain that fixed part and movable part surround.
2. high-tension porcelain insulator according to claim 1 flaw detection creeping wave probe clamper, it is characterized in that: the gimbal suspension formula between described handle and the fixed part is connected to, between fixed part and handle, be connected with one section connecting plate, be provided with the ring surface direction sports limiting hinge along fixed part and movable part between connecting plate and the fixed part, be provided with between connecting plate and the handle and handle done with respect to ring surface turn up or the folding hinge of opening movement.
CN201310118463.3A 2013-04-08 2013-04-08 High-tension porcelain insulator flaw detection creeping wave probe clamper Active CN103245730B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105445375A (en) * 2015-12-31 2016-03-30 华南理工大学 Handheld ultrasonic guided-wave structural damage detection device and detection method using same
CN106093203A (en) * 2016-08-25 2016-11-09 杨振峰 A kind of face of weld and near surface crack depth detection device
CN109030284A (en) * 2018-07-06 2018-12-18 中国矿业大学(北京) A kind of ultrasonic wave identification device and method of filling pipeline plugging
CN109030627A (en) * 2018-06-22 2018-12-18 长安大学 A kind of portable steel non-destructive testing device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1185837A (en) * 1996-03-28 1998-06-24 三菱电机株式会社 Supersonic flaw detector and its method
CN101435800A (en) * 2008-12-24 2009-05-20 河南电力试验研究院 Test block special for butt-jointed seam ultrasonic wave climbing flaw detection of heterogeneity steel minor diameter tube
CN201819900U (en) * 2010-09-20 2011-05-04 南京卓实电气有限责任公司 Ultrasonic flaw detection measuring device for enhanced post porcelain insulator
CN102156166A (en) * 2011-04-08 2011-08-17 东北电力科学研究院有限公司 Ultrasonic climbing wave detection method for laterally assembled fir tree blade root of steam turbine and special probe for method
JP2012163517A (en) * 2011-02-09 2012-08-30 Shinko Inspection & Service Co Ltd Ultrasonic test method for fillet part and ultrasonic test equipment for fillet part
CN203249899U (en) * 2013-04-08 2013-10-23 国家电网公司 Fault detection creeping-wave probe holder for high-tension porcelain insulator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1185837A (en) * 1996-03-28 1998-06-24 三菱电机株式会社 Supersonic flaw detector and its method
CN101435800A (en) * 2008-12-24 2009-05-20 河南电力试验研究院 Test block special for butt-jointed seam ultrasonic wave climbing flaw detection of heterogeneity steel minor diameter tube
CN201819900U (en) * 2010-09-20 2011-05-04 南京卓实电气有限责任公司 Ultrasonic flaw detection measuring device for enhanced post porcelain insulator
JP2012163517A (en) * 2011-02-09 2012-08-30 Shinko Inspection & Service Co Ltd Ultrasonic test method for fillet part and ultrasonic test equipment for fillet part
CN102156166A (en) * 2011-04-08 2011-08-17 东北电力科学研究院有限公司 Ultrasonic climbing wave detection method for laterally assembled fir tree blade root of steam turbine and special probe for method
CN203249899U (en) * 2013-04-08 2013-10-23 国家电网公司 Fault detection creeping-wave probe holder for high-tension porcelain insulator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105445375A (en) * 2015-12-31 2016-03-30 华南理工大学 Handheld ultrasonic guided-wave structural damage detection device and detection method using same
CN106093203A (en) * 2016-08-25 2016-11-09 杨振峰 A kind of face of weld and near surface crack depth detection device
CN106093203B (en) * 2016-08-25 2018-10-12 杨振峰 A kind of face of weld and near surface crack depth detection device
CN109030627A (en) * 2018-06-22 2018-12-18 长安大学 A kind of portable steel non-destructive testing device
CN109030284A (en) * 2018-07-06 2018-12-18 中国矿业大学(北京) A kind of ultrasonic wave identification device and method of filling pipeline plugging

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