CN204115684U - A kind of elbow residual wall thickness pick-up unit - Google Patents

A kind of elbow residual wall thickness pick-up unit Download PDF

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Publication number
CN204115684U
CN204115684U CN201420620647.XU CN201420620647U CN204115684U CN 204115684 U CN204115684 U CN 204115684U CN 201420620647 U CN201420620647 U CN 201420620647U CN 204115684 U CN204115684 U CN 204115684U
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China
Prior art keywords
snap ring
measurement mechanism
probe
elbow
roller
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CN201420620647.XU
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Chinese (zh)
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罗华权
曹峰
蒋承君
曲璐璐
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China National Petroleum Corp
CNPC Tubular Goods Research Institute
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China National Petroleum Corp
CNPC Tubular Goods Research Institute
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Abstract

The utility model discloses a kind of elbow residual wall thickness pick-up unit, comprise the outer snap ring of two measurement mechanisms, wherein, one end of the outer snap ring of first measurement mechanism and one end of the outer snap ring of the second measurement mechanism are hinged, its other end is connected by detachable device, in first measurement mechanism, snap ring is fixed on the inner side of the outer snap ring of the first measurement mechanism, in second measurement mechanism, snap ring is fixed on the inner side of the outer snap ring of the second measurement mechanism, in first measurement mechanism in snap ring and the second measurement mechanism snap ring circumference on have some probe bolts and roller bolt all uniformly at intervals, and the external part of some probe bolts and roller bolt is towards in the radial direction of snap ring in snap ring in the first measurement mechanism and the second measurement mechanism, at the external part of each probe bolt, Thicknesser probe is installed, the probe lead wire of each Thicknesser probe is all connected with measuring thickness device main frame, at the external part of each roller bolt, roller is installed, during use, some Thicknesser probes and roller are positioned in the circumference of elbow to be checked.

Description

A kind of elbow residual wall thickness pick-up unit
[technical field]
The utility model relates to a kind of pick-up unit, is specifically related to a kind of elbow residual wall thickness pick-up unit.
[background technology]
In industrial pipeline is installed, a kind of connecting pipe part of conventional use, connects the pipe that two inside nominal diameters are identical or different, and make pipeline do certain angle and turn, this pipe fitting is called elbow.Elbow is usually the important component part of commercial plant, is widely used in petrochemical complex, the energy and gas and heating system.In petrochemical complex and gas transmission pipeline use, it is thinning that corrosion and erosion and mechanical damage (as drawn sassafras, polishing, collision) etc. can make elbow wall thickness produce, and even bore a hole, break, serious meeting causes great economic loss and casualties.Therefore, be very necessary to the detection of elbow.By periodic detection, measure the residual wall thickness of elbow, the wall thickness reduction situation of elbow can be known, changed in time before elbow loses efficacy, thus avoid generation accident.
At present, measure elbow residual wall thickness comparatively widely method be carried out the measurement of wall thickness by ultrasonic thickness test device.Ultrasonic thickness test device mainly contains main frame and probe two parts composition.Host circuit comprises radiating circuit, receiving circuit, counting display circuit three part, the high-pressure shocking wave incentive probe produced by radiating circuit, produce ultrasonic transmit pulses ripple, pulsating wave received circuit after the reflection of medium interface receives, after the process of single-chip microcomputer counting, through liquid crystal display display thickness value, it is mainly multiplied by according to sound wave velocity of propagation in the sample the thickness (as shown in Figure 1) being obtained sample by the half of the time of sample.
But this method measurement is got up, randomness is very large, can not judge the residual wall thickness situation of whole bend pipe very well, usually can miss the most dangerous point of bend pipe residual wall thickness, and it be lower to use efficiency.At present, also do not have a kind of pick-up unit can carry out comprehensive measurement to elbow residual wall thickness preferably, and efficiency is higher.
Corrosion and mechanical damage can make the wall thickness of elbow thinning rapidly, as not in time, complete detection, find out the dangerous point in elbow cross section, elbow may be bored a hole, even break, cause economic loss and casualties, and also do not have a kind of pick-up unit can carry out comprehensive measurement to elbow residual wall thickness preferably at present, and efficiency is higher.The utility model can detect the residual wall thickness of bend pipe preferably, and detects comparatively comprehensive, can detect the residual wall thickness of elbow fast, judge elbow dangerous point.
[utility model content]
The purpose of this utility model is for the deficiencies in the prior art, and provide a kind of elbow residual wall thickness pick-up unit, it can detect the residual wall thickness of bend pipe preferably, and detects comparatively comprehensive.
For achieving the above object, the utility model adopts following technical scheme:
A kind of elbow residual wall thickness pick-up unit, comprise the outer snap ring of the first measurement mechanism and the outer snap ring of the second measurement mechanism, wherein, one end of the outer snap ring of first measurement mechanism and one end of the outer snap ring of the second measurement mechanism are hinged, the other end of the outer snap ring of the first measurement mechanism is connected by detachable device with the other end of the outer snap ring of the second measurement mechanism, in first measurement mechanism, snap ring is supported and fixed on the inner side of the outer snap ring of the first measurement mechanism by inside and outside snap ring, in second measurement mechanism, snap ring is supported and fixed on the inner side of the outer snap ring of the second measurement mechanism by inside and outside snap ring, in first measurement mechanism in snap ring and the second measurement mechanism snap ring circumference on have some probe bolts and roller bolt all uniformly at intervals, and the external part of some probe bolts and roller bolt is towards in the radial direction of snap ring in snap ring in the first measurement mechanism and the second measurement mechanism, at the external part of each probe bolt, Thicknesser probe is installed, the probe lead wire of each Thicknesser probe is all connected with measuring thickness device main frame, at the external part of each roller bolt, roller is installed, during use, some Thicknesser probes and roller are positioned in the circumference of elbow to be checked.
The utility model further improves and is, Thicknesser probe is arranged on the external part of probe bolt by Thicknesser probe set collar.
The utility model further improves and is, on each Thicknesser probe, each cover has a spring, and this spring in Thicknesser probe set collar and the first measurement mechanism in snap ring or the second measurement mechanism snap ring inner side between.
The utility model further improves and is, roller is arranged on the external part of roller bolt by roller mount.
The utility model further improves and is, each roller bolt respectively overlaps a spring, and this spring in roller mount and the first measurement mechanism in snap ring or the second measurement mechanism snap ring inner side between.
The utility model further improves and is, one end that some probe bolts are connected with snap ring in snap ring in the first measurement mechanism or the second measurement mechanism with roller bolt is equipped with nut.
The utility model further improves and is, probe bolt and the quantity of roller bolt are 2, and angle between two probe bolts and the angle between two roller bolts are 180 °.
The utility model further improves and is, detachable device comprises the chute of the other end being opened in the outer snap ring of the second measurement mechanism, the locking post being arranged on the other end of the outer snap ring of the second measurement mechanism and stay, and be arranged on the chute post of the other end of the outer snap ring of the first measurement mechanism, during use, chute post is positioned at chute, and stay is between locking post and chute post.
The utility model further improves and is; Thicknesser probe comprises the probing shell of one end open; the openend of probing shell is disposed with diaphragm, probe wafer and damping block from outside to inside; and the centre of diaphragm, probe wafer and damping block is all separated by sound insulating layer; probing shell is provided with two probe lead wire posts relative to the other end of its openend by probe post set collar; one end of two probe lead wire posts is connected respectively by cable two parts with probe wafer, and the other end of two probe lead wire posts is connected to probe lead wire.
Compared with prior art, the utility model can solve the residual wall thickness test problems of elbow preferably, comparatively comprehensively can measure the residual wall thickness situation of whole elbow, more be convenient to the dangerous point grasping whole elbow, thus avoid the generation of elbow failure conditions, there is good result of use and economic worth.
[accompanying drawing explanation]
Fig. 1 is ultrasonic measurement elbow wall thickness schematic diagram;
Fig. 2 is the structural representation of the utility model elbow residual wall thickness measurement mechanism;
Fig. 3 is the structural representation of ultrasonic wave thickness measuring probe;
Fig. 4 is the structural representation that the utility model probe bolt is connected with snap ring in measurement mechanism.
In figure: 1 is the outer snap ring of the first measurement mechanism, 2 is nut, 3 is the outer snap ring of the second measurement mechanism, 4 is Thicknesser probe set collar, 5 is probe bolt, 6 is that inside and outside snap ring supports, 7 is spring, 8 is probe lead wire, 9 is roller bolt, 10 is roller, 11 is Thicknesser probe, 12 is snap ring in the first measurement mechanism, 13 is snap ring in the second measurement mechanism, 14 is elbow to be checked, 15 is chute, 16 is locking post, 17 is chute post, 18 is stay, 111 is probe post set collar, 112 is probe lead wire post, 113 is sound insulating layer, 114 is probing shell, 115 is cable, 116 is damping block, 117 is probe wafer, 118 is diaphragm.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is described in further details.
See Fig. 1 to Fig. 4, a kind of elbow residual wall thickness of the utility model pick-up unit, comprise the outer snap ring 1 of the first measurement mechanism and the outer snap ring 3 of the second measurement mechanism, wherein, one end of the outer snap ring 1 of first measurement mechanism and one end of the outer snap ring 3 of the second measurement mechanism are hinged, the other end of the outer snap ring 1 of the first measurement mechanism is connected by detachable device with the other end of the outer snap ring 3 of the second measurement mechanism, this detachable device comprises the chute 15 of the other end being opened in the outer snap ring 3 of the second measurement mechanism, be arranged on locking post 16 and the stay 18 of the other end of the outer snap ring 3 of the second measurement mechanism, and be arranged on the chute post 17 of the other end of the outer snap ring 1 of the first measurement mechanism, during use, chute post 17 is positioned at chute 15, and stay 18 is between locking post 16 and chute post 17.
In first measurement mechanism, snap ring 12 supports by inside and outside snap ring the inner side that 6 are fixed on the outer snap ring 1 of the first measurement mechanism, in second measurement mechanism, snap ring 13 supports by inside and outside snap ring the inner side that 6 are fixed on the outer snap ring 3 of the second measurement mechanism, in first measurement mechanism in snap ring 12 and the second measurement mechanism snap ring 13 circumference on have 2 pop one's head in bolts 5 and 2 roller bolts 9 uniformly at intervals, the angle between the angle between 2 probe bolts 5 and 2 roller bolts 9 is made to be 180 °, and the external part of 2 probe bolts 5 and 2 roller bolts 9 is towards in the radial direction of snap ring 13 in snap ring in the first measurement mechanism 12 and the second measurement mechanism, in addition, probe bolt 5 and roller bolt 9 can be free to slide in snap ring 13 in snap ring 12 or the second measurement mechanism in the first measurement mechanism.
By Thicknesser probe set collar 4, Thicknesser probe 11 is installed at the external part of each probe bolt 5, on each Thicknesser probe 11, each cover has a spring 7, and this spring 7 in Thicknesser probe set collar 4 and the first measurement mechanism in snap ring 12 or the second measurement mechanism snap ring 13 inner side between, the probe lead wire 8 of each Thicknesser probe 11 is all connected with measuring thickness device main frame; Be provided with roller 10 at the external part of each roller bolt 9 by roller mount, each roller bolt 9 respectively cover has a spring 7, and this spring 7 in roller mount and the first measurement mechanism in snap ring 12 or the second measurement mechanism snap ring 13 inner side between.During use, some Thicknesser probes 11 and roller 10 are positioned in the circumference of elbow 14 to be checked.
There is chute 15 one end of the outer snap ring 3 of measurement mechanism, and locking post 16 is fixed on the outer snap ring 1 of measurement mechanism, and chute post 17 is fixed on the outer snap ring 3 of measurement mechanism, and stay 18 is fixed on the outer snap ring 1 of measurement mechanism.
See Fig. 3, Thicknesser probe 11 comprises the probing shell 114 of one end open, the openend of probing shell 114 is disposed with diaphragm 118 from outside to inside, probe wafer 117 and damping block 116, and diaphragm 118, the centre of probe wafer 117 and damping block 116 is all separated by sound insulating layer 113, probing shell 114 is provided with two probe lead wire posts 112 relative to the other end of its openend by probe post set collar 111, one end of two probe lead wire posts 112 is connected respectively by cable 115 two parts with probe wafer 117, the other end of two probe lead wire posts 112 is connected to probe lead wire 8.
In order to understand further the utility model, now its principle of work is described as follows:
Open the outer snap ring 1 of the first measurement mechanism be hinged and the outer snap ring 3 of the second measurement mechanism, among 2 Thicknesser probes 11 that elbow 14 to be checked is placed on elbow residual wall thickness pick-up unit and 2 rollers 10, regulate the degree of tightness of spring 7 on probe bolt 5 and roller bolt 9, elbow 14 to be checked freely can be rotated between 2 rollers 10, and keep in touch between Thicknesser probe 11 and elbow to be checked 14, but can not be too tight.The outer snap ring 1 of first measurement mechanism that closes and the outer snap ring 3 of the second measurement mechanism, utilize stay 18 and locking post 16 that chute post 17 is locked in chute 15, thus make the outer snap ring 1 of the first measurement mechanism as a whole with the outer snap ring 3 one-tenth of the second measurement mechanism.Open measuring thickness device main frame, the probe lead wire 8 of two Thicknesser probes 11 is connected with measuring thickness device main frame.Each group data that measuring thickness device main frame obtains for recording thickness measuring.
After instrument connects, coat couplant (couplant is that ultrasound examination is used for a kind of liquid substance of conduct ultrasound on the surface of elbow 14 to be checked, ultrasound wave is after ultrasonic probe is launched, pass through couplant, ultrasonic propagation in elbow to be checked), elbow 14 to be checked is carried out and detects reference position mark, turning gland residual wall thickness pick-up unit, ultrasound wave is launched by Thicknesser probe 11, by hyperacoustic propagation, the residual wall thickness (concrete measuring principle is shown in Fig. 1) of elbow 14 to be checked can be measured.Detect data every certain anglec of rotation or range observation one group, and got off by measuring thickness device host record.After measurement mechanism rotates 180 °, complete the measurement of an elbow cross section to be checked wall thickness.Mobile Thicknesser probe 11, moving axially certain distance (distance gap size needs to determine by measuring requirement) along elbow 14 to be checked, entering the measurement of next cross section wall thickness.Repeat step above, complete the detection of whole elbow to be checked 14 wall thickness.By measuring thickness device main frame, demonstrate all measurement data, just can find out the position that elbow wall thickness is minimum and region, and then the danger position of detected elbow 14 can be judged.

Claims (9)

1. an elbow residual wall thickness pick-up unit, it is characterized in that, comprise the outer snap ring (1) of the first measurement mechanism and the outer snap ring (3) of the second measurement mechanism, wherein, one end of the outer snap ring (1) of first measurement mechanism and one end of the outer snap ring (3) of the second measurement mechanism are hinged, the other end of the outer snap ring (1) of the first measurement mechanism is connected by detachable device with the other end of the outer snap ring (3) of the second measurement mechanism, in first measurement mechanism, snap ring (12) supports by inside and outside snap ring the inner side that (6) are fixed on the outer snap ring (1) of the first measurement mechanism, in second measurement mechanism, snap ring (13) supports by inside and outside snap ring the inner side that (6) are fixed on the outer snap ring (3) of the second measurement mechanism, in first measurement mechanism in snap ring (12) and the second measurement mechanism snap ring (13) circumference on have some probe bolts (5) and roller bolt (9) all uniformly at intervals, and the external part of some probe bolts (5) and roller bolt (9) is towards in the radial direction of snap ring (13) in snap ring (12) in the first measurement mechanism and the second measurement mechanism, at the external part of each probe bolt (5), Thicknesser probe (11) is installed, the probe lead wire (8) of each Thicknesser probe (11) is all connected with measuring thickness device main frame, at the external part of each roller bolt (9), roller (10) is installed, during use, some Thicknesser probes (11) and roller (10) are positioned in the circumference of elbow to be checked (14).
2. a kind of elbow residual wall thickness pick-up unit according to claim 1, is characterized in that, Thicknesser probe (11) is arranged on the external part of probe bolt (5) by Thicknesser probe set collar (4).
3. a kind of elbow residual wall thickness pick-up unit according to claim 2, it is characterized in that, each Thicknesser probe (11) Shang Getao has a spring (7), and this spring (7) is positioned between the inner side of Thicknesser probe set collar (4) and the first measurement mechanism snap ring (12) or the second measurement mechanism snap ring (13).
4. a kind of elbow residual wall thickness pick-up unit according to claim 1, it is characterized in that, roller (10) is arranged on the external part of roller bolt (9) by roller mount.
5. a kind of elbow residual wall thickness pick-up unit according to claim 4, it is characterized in that, each roller bolt (9) respectively cover has a spring (7), and this spring (7) is positioned between the inner side of roller mount and the first measurement mechanism snap ring (12) or the second measurement mechanism snap ring (13).
6. a kind of elbow residual wall thickness pick-up unit according to claim 1, it is characterized in that, one end that some probe bolts (5) are connected with snap ring (13) in snap ring (12) in the first measurement mechanism or the second measurement mechanism with roller bolt (9) is equipped with nut (2).
7. a kind of elbow residual wall thickness pick-up unit according to claim 1, it is characterized in that, probe bolt (5) and the quantity of roller bolt (9) are 2, and two angles of popping one's head between angle between bolt (5) and two roller bolts (9) are 180 °.
8. a kind of elbow residual wall thickness pick-up unit according to claim 1, it is characterized in that, detachable device comprises the chute (15) of the other end being opened in the outer snap ring (3) of the second measurement mechanism, be arranged on locking post (16) and the stay (18) of the other end of the outer snap ring (3) of the second measurement mechanism, and be arranged on the chute post (17) of the other end of the outer snap ring (1) of the first measurement mechanism, during use, chute post (17) is positioned at chute (15), and stay (18) is positioned between locking post (16) and chute post (17).
9. a kind of elbow residual wall thickness pick-up unit according to claim 1, it is characterized in that, Thicknesser probe (11) comprises the probing shell (114) of one end open, the openend of probing shell (114) is disposed with diaphragm (118) from outside to inside, probe wafer (117) and damping block (116), and diaphragm (118), the centre of probe wafer (117) and damping block (116) is all separated by sound insulating layer (113), probing shell (114) is provided with two probe lead wire posts (112) relative to the other end of its openend by probe post set collar (111), one end of two probe lead wire posts (112) is connected respectively by cable (115) two parts with probe wafer (117), the other end of two probe lead wire posts (112) is connected to probe lead wire (8).
CN201420620647.XU 2014-10-24 2014-10-24 A kind of elbow residual wall thickness pick-up unit Active CN204115684U (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108138940A (en) * 2015-09-30 2018-06-08 赛峰传输系统 The device of the ring of planetary gear train is installed
CN108458676A (en) * 2018-03-29 2018-08-28 深圳市贝优通新能源技术开发有限公司 A kind of sonigauge with mark function suitable for small pipeline
CN109357645A (en) * 2018-12-12 2019-02-19 四川沐迪圣科技有限公司 A kind of packaged type ultrasonic wave bend pipe measuring thickness device
CN114526698A (en) * 2022-01-27 2022-05-24 广东省特种设备检测研究院珠海检测院 Wall thickness detection device, wall thickness detection method, electronic device, storage medium, and program product

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108138940A (en) * 2015-09-30 2018-06-08 赛峰传输系统 The device of the ring of planetary gear train is installed
US20180290278A1 (en) * 2015-09-30 2018-10-11 SafranTransmission Systems Device to install a ring of a planetary gear train
CN108138940B (en) * 2015-09-30 2020-12-04 赛峰传输系统 Device for mounting a ring of a planetary gear train
US10974376B2 (en) * 2015-09-30 2021-04-13 Safran Transmission Systems Device to install a ring of a planetary gear train
CN108458676A (en) * 2018-03-29 2018-08-28 深圳市贝优通新能源技术开发有限公司 A kind of sonigauge with mark function suitable for small pipeline
CN109357645A (en) * 2018-12-12 2019-02-19 四川沐迪圣科技有限公司 A kind of packaged type ultrasonic wave bend pipe measuring thickness device
CN114526698A (en) * 2022-01-27 2022-05-24 广东省特种设备检测研究院珠海检测院 Wall thickness detection device, wall thickness detection method, electronic device, storage medium, and program product

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