CN113484414A - Method for surveying gaps of inner wall of closed body - Google Patents
Method for surveying gaps of inner wall of closed body Download PDFInfo
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- CN113484414A CN113484414A CN202110750876.8A CN202110750876A CN113484414A CN 113484414 A CN113484414 A CN 113484414A CN 202110750876 A CN202110750876 A CN 202110750876A CN 113484414 A CN113484414 A CN 113484414A
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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
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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
- G01N29/22—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
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- 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
- G01N2291/0232—Glass, ceramics, concrete or stone
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The application relates to a method for surveying gaps of inner walls of closed bodies, which belongs to the technical field of gap surveying and comprises the following steps: s1, firstly, cleaning the inner wall of the concrete hollow pile; s2, mounting a probe and a moving mechanism of the ultrasonic flaw detector on the rotating shaft, wherein the detection end of the probe faces outwards, and the moving mechanism drives the probe to slide along the length direction of the rotating shaft; s3, fixing a bearing ring at one end of the concrete hollow pile, inserting one end of the rotating shaft into the bearing ring after penetrating through the concrete hollow pile, and installing a driving assembly at one end of the rotating shaft far away from the bearing ring, wherein the driving assembly is used for the rotating shaft to rotate; s4, connecting the connecting wire of the probe to an ultrasonic flaw detector, moving the probe to the gap through a moving mechanism, and driving the probe to rotate to be opposite to the gap through a driving assembly; and S5, completing the survey of the gap by the reciprocating movement of the probe and the repeated rotation of the rotating shaft. This application has the effect that improves gap survey efficiency.
Description
Technical Field
The application relates to the technical field of gap surveying, in particular to a method for surveying gaps of inner walls of closed bodies.
Background
The pre-tensioning method prestressed square pile is a hollow cylinder body slender concrete prefabricated component made up by adopting pre-tensioning method prestressed process and centrifugal forming method.
After the concrete hollow pile is manufactured or other external forces are applied to the concrete hollow pile, the inner wall of the concrete hollow pile is easy to crack to generate gaps. The existing gap survey is generally carried out by adopting an ultrasonic flaw detector, a probe of the ultrasonic flaw detector is fixed on a rod, the rod is stretched into a concrete hollow pile, and the gap is surveyed by manually inserting and rotating the rod so that the probe can be used for surveying the gap.
With respect to the related art in the above, the inventors consider that there is a drawback that the artificial survey is inefficient.
Disclosure of Invention
In order to improve the gap surveying efficiency, the application provides a method for surveying the gap of the inner wall of the closed body.
The application provides a method for surveying the gap of the inner wall of a closed body, which adopts the following technical scheme:
a method for surveying gaps in an inner wall of an enclosure, comprising the steps of:
s1, firstly, cleaning the inner wall of the concrete hollow pile;
s2, mounting a probe and a moving mechanism of the ultrasonic flaw detector on the rotating shaft, wherein the detection end of the probe faces outwards, and the moving mechanism drives the probe to slide along the length direction of the rotating shaft;
s3, fixing a bearing ring at one end of the concrete hollow pile, inserting one end of the rotating shaft into the bearing ring after penetrating through the concrete hollow pile, and installing a driving assembly at one end of the rotating shaft far away from the bearing ring, wherein the driving assembly is used for the rotating shaft to rotate;
s4, connecting the connecting wire of the probe to an ultrasonic flaw detector, moving the probe to the gap through a moving mechanism, and driving the probe to rotate to be opposite to the gap through a driving assembly;
and S5, completing the survey of the gap by the reciprocating movement of the probe and the repeated rotation of the rotating shaft.
By adopting the technical scheme, the inner wall of the concrete hollow column is cleaned firstly to improve the accuracy of survey data, and then the bearing ring, the probe, the moving mechanism, the rotating shaft and the driving assembly are sequentially installed; when carrying out the gap investigation, make the probe enough remove in the hollow post of concrete through moving mechanism and drive assembly, can survey each position in the hollow post of concrete again at the hollow post internal rotation of concrete, finally through the reciprocating motion of probe with rotate repeatedly, obtain accurate gap survey data, improved gap survey efficiency.
Optionally, the driving assembly comprises a driving motor, a driving gear and a driven gear ring, the driven gear ring is coaxially and fixedly sleeved on the circumferential side wall of the rotating shaft outside the concrete hollow pile, the driving motor is fixed on the ground and coaxially fixed with the driving gear, and the driving gear is meshed with the driven gear ring.
Through adopting above-mentioned technical scheme, start driving motor and make the driving gear rotate, the driving gear drives driven ring gear and rotates, and driven ring gear drives the pivot and rotates, and then has improved the rotation efficiency of probe.
Optionally, the diameter of the driven gear ring is at least twice the diameter of the driving gear.
Through adopting above-mentioned technical scheme, when the driving gear rotated the half-turn, driven ring gear rotated the quarter-turn at most, had improved the rotational stability of pivot, and then made the rotational accuracy of probe higher.
Optionally, a sliding groove is formed in the circumferential side wall of the rotating shaft along the length direction of the rotating shaft, a containing hole is formed in one end face of the rotating shaft along the length direction of the rotating shaft, and the containing hole is communicated with the sliding groove; the moving mechanism drives the probe to slide in the sliding groove, the connecting wire is located in the accommodating hole, and one end, far away from the probe, of the connecting wire extends out of the end face of the rotating shaft and is connected with the ultrasonic flaw detector.
Through adopting above-mentioned technical scheme, moving mechanism drives the probe and slides in the spout, can make the sliding of probe more stable, and the connecting wire slides in the holding hole simultaneously, has reduced the connecting wire and has in disorder or even the possibility of knoing in the pivot outside, has improved and has surveyed efficiency.
Optionally, the moving mechanism includes a rotating motor, a first connecting block and a screw rod parallel to the rotating shaft, a first moving groove is formed in an inner side wall of the sliding groove in parallel, the first connecting block is fixed to one side of the probe and slides in the first moving groove, the screw rod is rotatably connected in the first moving groove and in threaded connection with the first connecting block, and the rotating motor is fixed to one end face of the rotating shaft and coaxially fixed to the screw rod.
Through adopting above-mentioned technical scheme, start to rotate the motor and make the screw rod rotate, because screw rod and first connecting block threaded connection make first connecting block at first shifting chute internal slipping, the probe slides in the spout simultaneously, has improved the removal efficiency of probe.
Optionally, the sliding groove is provided with a second moving groove in parallel to the side wall of the first moving groove, a limiting rod parallel to the screw rod is fixed in the second moving groove, a second connecting block sliding in the second moving groove is fixed on one side of the probe, and the second connecting block is penetrated through by the limiting rod.
Through adopting above-mentioned technical scheme, when first connecting block drove the probe and slided, the probe drove the length direction of second connecting block edge stopper and slided, has improved the stability of sliding of probe.
Optionally, a reel is mounted on the end surface of the rotating shaft at the opening of the accommodating hole, and the connecting wire penetrating out of the accommodating hole is wound on the reel.
Through adopting above-mentioned technical scheme, will be located the outside connecting wire winding of pivot on the reel, can further reduce the connecting wire in disorder or the possibility of knoing even to when the probe removes, carry out unreeling or the rolling of reel, can remain the connecting wire neatly tidy degree in the holding hole all the time.
Optionally, the rotating motor is located on the end face of the rotating shaft, which is far away from the opening of the accommodating hole, and one end of the screw rod, which is far away from the rotating motor, is coaxially fixed with the reel.
Through adopting above-mentioned technical scheme, when rotating the motor and driving the screw rod and rotate, the reel carries out synchronous rotation, and then when making probe reciprocating motion, the reel carries out the connecting wire simultaneously and unreels or the rolling to the removal of cooperation probe has improved survey efficiency.
Optionally, the accommodating hole is located at an opening of the end face of the rotating shaft and is rounded.
Through adopting above-mentioned technical scheme, reduced the wearing and tearing of connecting wire at the accommodation hole opening part, and then prolonged the life of connecting wire.
Optionally, in S3, the bearing ring is a bearing seat.
By adopting the technical scheme, the resistance of the rotating shaft during rotation is reduced, and the rotating efficiency of the rotating shaft is improved by the chicken.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the probe can move in the concrete hollow column and can rotate in the concrete hollow column through the moving mechanism and the driving assembly, all positions in the concrete hollow column can be surveyed, accurate gap surveying data can be obtained finally, and gap surveying efficiency is improved;
2. the rotating motor is started to rotate the screw, the first connecting block slides in the first moving groove, and meanwhile, the probe slides in the sliding groove, so that the moving efficiency of the probe is improved;
3. when the probe reciprocating motion, the reel carries out the connecting wire simultaneously and unreels or the rolling to the removal of cooperation probe has improved and has surveyed efficiency.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a sectional view showing the probe and the moving mechanism;
fig. 3 is a partial sectional view showing the screw and the reel.
In the figure, 1, a concrete hollow pile; 11. a bearing ring; 2. an ultrasonic flaw detector; 21. a probe; 22. a connecting wire; 3. a rotating shaft; 31. a chute; 32. an accommodation hole; 33. a first moving slot; 34. a second moving slot; 4. a drive assembly; 41. a drive motor; 42. a driving gear; 43. a driven gear ring; 5. a moving mechanism; 51. rotating the motor; 52. a first connection block; 53. a screw; 54. a second connecting block; 55. a limiting rod; 6. a reel.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a method for surveying gaps of inner walls of closed bodies, which comprises the following steps:
s1, referring to fig. 1, the inner wall of the concrete hollow pile 1 is cleaned to improve the accuracy of the survey data.
S2, referring to fig. 1 and 2, opening the sliding slot 31 on the circumferential side wall of the rotating shaft 3, opening the accommodating hole 32 on the bottom wall of the sliding slot 31, and making the length direction of the sliding slot 31 and the accommodating hole 32 parallel to the rotating shaft 3, the accommodating hole 32 being open at one end face of the rotating shaft 3; installing the probe 21 of the ultrasonic flaw detector 2 in the chute 31, with the detection end of the probe 21 facing outwards, and making the connecting wire 22 of the ultrasonic flaw detector 2 pass through the accommodating hole 32; the two opposite inner side walls of the sliding slot 31 are respectively provided with a first moving slot 33 and a second moving slot 34 in parallel.
Mounting a moving mechanism 5 on the rotating shaft 3, wherein the moving mechanism 5 comprises a rotating motor 51 fixed on the end face of the rotating shaft 3, which is far away from the opening end face of the accommodating hole 32, a first connecting block 52 connected in the first moving groove 33 in a sliding manner, a screw 53 parallel to the rotating shaft 3 and connected in the first moving groove 33 in a rotating manner, a second connecting block 54 connected in the second moving groove 34 in a sliding manner, and a limiting rod 55 parallel to the screw 53 and fixed in the second moving groove 34; the rotating motor 51 is coaxially fixed with the screw 53, the screw 53 is in threaded connection with the first connecting block 52, and the limiting rod 55 penetrates through the second connecting block 54. The rotating motor 51 drives the screw 53 to rotate, and the first connecting block 52 drives the probe 21 and the second connecting block 54 to move, so that the moving efficiency and the moving stability of the probe 21 are improved.
S3, referring to fig. 1, fixing a receiving ring 11 at one end of a concrete hollow pile 1, inserting one end of a rotating shaft 3, which is far away from a rotating motor 51, from the other end of the concrete hollow pile 1, penetrating through the concrete hollow pile 1 and then penetrating out of the receiving ring 11, sleeving another receiving ring 11 at one end of the rotating shaft 3, which is fixed with the rotating motor 51, so that the axis of the rotating shaft 3 is collinear with the axis of the concrete hollow pile 1, and at this time, installing a driving assembly 4 on the rotating shaft 3; the receiving ring 11 is a bearing seat in this embodiment.
The driving assembly 4 comprises a driving motor 41 fixed on the ground, a driving gear 42 coaxially fixed on the driving motor 41, and a driven gear ring 43 coaxially fixed on the rotating shaft 3, wherein the driving gear 42 is meshed with the driven gear ring 43, and the diameter of the driven gear ring 43 is at least twice of that of the driving gear 42. The driving motor 41 drives the driving gear 42 to rotate, so that the driven gear ring 43 drives the rotating shaft 3 to rotate, and the rotation efficiency of the rotating shaft 3 is improved.
S4, referring to fig. 1 and 3, one end of the screw 53 away from the rotating motor 51 extends out of the end face of the rotating shaft 3 and is coaxially fixed with the reel 6, and the receiving hole 32 is arranged at the opening of the end face of the rotating shaft 3 in a rounded shape. One end of the connecting end far away from the probe 21 extends out of the opening of the accommodating hole 32, and the connecting wire 22 is wound on the reel 6 and then connected with the ultrasonic flaw detector 2, so that the smoothness of the connecting wire 22 in the accommodating hole 32 is kept. When the screw 53 drives the probe 21 to move towards the reel 6, the screw 53 drives the reel 6 to wind; when the screw 53 drives the spring to move towards the direction of the rotating motor 51, the screw 53 drives the reel 6 to unreel, and the surveying efficiency is improved.
And S5, starting the driving motor 41 and the rotating motor 51 to enable the probe 21 to reciprocate and rotate repeatedly in the concrete hollow pile 1, and finally completing the survey of the gap.
The implementation principle of the method for surveying the gap of the inner wall of the closed body in the embodiment of the application is as follows: the inner wall of the concrete hollow pile 1 is cleaned, and then the bearing ring 11, the probe 21, the moving mechanism 5, the rotating shaft 3, the driving component 4, the reel 6 and the ultrasonic flaw detector 2 are sequentially installed. The driving motor 41 is started to enable the driving gear 42 to rotate, and the driven gear ring 43 drives the rotating shaft 3 to rotate, so that the probe 21 rotates along the axis of the rotating shaft 3; starting the rotating motor 51 to rotate the screw 53, and sliding the first connecting block 52 in the first moving groove 33 while sliding the probe 21 in the sliding groove 31 due to the threaded connection between the screw 53 and the first connecting block 52; the rotation efficiency and the moving efficiency of the probe 21 are improved, and the survey efficiency of the gap is finally improved.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A method for surveying gaps in the inner wall of an enclosure, comprising: the method comprises the following steps:
s1, firstly, cleaning the inner wall of the concrete hollow pile (1);
s2, installing a probe (21) and a moving mechanism (5) of the ultrasonic flaw detector (2) on the rotating shaft (3), enabling the detection end of the probe (21) to be outward, and driving the probe (21) to slide along the length direction of the rotating shaft (3) by the moving mechanism (5);
s3, fixing a bearing ring (11) at one end of the concrete hollow pile (1), inserting one end of a rotating shaft (3) into the bearing ring (11) after penetrating through the concrete hollow pile (1), installing a driving assembly (4) at one end of the rotating shaft (3) far away from the bearing ring (11), and enabling the rotating shaft (3) to rotate by the driving assembly (4);
s4, connecting a connecting wire (22) of the probe (21) to the ultrasonic flaw detector (2), moving the probe (21) to a gap through the moving mechanism (5), and driving the probe (21) to rotate to be opposite to the gap through the rotating shaft (3) through the driving assembly (4);
s5, completing the survey of the gap through the reciprocating movement of the probe (21) and the repeated rotation of the rotating shaft (3).
2. A method for surveying the gap of the inner wall of a closed body according to claim 1, wherein: the driving assembly (4) comprises a driving motor (41), a driving gear (42) and a driven gear ring (43), the driven gear ring (43) is coaxially and fixedly sleeved on the circumferential side wall of the rotating shaft (3) located outside the concrete hollow pile (1), the driving motor (41) is fixed on the ground and coaxially fixed with the driving gear (42), and the driving gear (42) is meshed with the driven gear ring (43).
3. A method for surveying the gap of the inner wall of the closed body according to claim 2, wherein: the diameter of the driven gear ring (43) is at least twice of the diameter of the driving gear (42).
4. A method for surveying the gap of the inner wall of a closed body according to claim 1, wherein: a sliding groove (31) is formed in the circumferential side wall of the rotating shaft (3) along the length direction of the rotating shaft, an accommodating hole (32) is formed in one end face of the rotating shaft (3) along the length direction of the rotating shaft, and the accommodating hole (32) is communicated with the sliding groove (31); the moving mechanism (5) drives the probe (21) to slide in the sliding groove (31), the connecting wire (22) is located in the accommodating hole (32), and one end, far away from the probe (21), of the connecting wire (22) extends out of the end face of the rotating shaft (3) and is connected with the ultrasonic flaw detector (2).
5. A method for surveying the gap of the inner wall of the closed body according to claim 4, wherein: moving mechanism (5) are including rotating motor (51), first connecting block (52) and screw rod (53) that are on a parallel with pivot (3), first shifting chute (33) have been seted up to spout (31) inside wall parallel, first connecting block (52) are fixed with probe (21) one side, and slide in first shifting chute (33), screw rod (53) rotate connect in first shifting chute (33) and with first connecting block (52) threaded connection, rotate motor (51) and fix in pivot (3) an terminal surface and with screw rod (53) coaxial fastening.
6. A method for surveying the gap of the inner wall of the closed body according to claim 5, wherein: the sliding groove (31) is opposite to the side wall of the first moving groove (33) and is provided with a second moving groove (34) in parallel, a limiting rod (55) parallel to the screw rod (53) is fixed in the second moving groove (34), a second connecting block (54) sliding in the second moving groove (34) is fixed on one side of the probe (21), and the second connecting block (54) is penetrated through by the limiting rod (55).
7. A method for surveying the gap of the inner wall of the closed body according to claim 5, wherein: the end face of the rotating shaft (3) at the opening of the accommodating hole (32) is provided with a reel (6), and a connecting wire (22) penetrating out of the accommodating hole (32) is wound on the reel (6).
8. A method for surveying the gap of the inner wall of a closed body according to claim 7, wherein: the rotating motor (51) is positioned on the end face, deviating from the opening of the accommodating hole (32), of the rotating shaft (3), and one end, far away from the rotating motor (51), of the screw rod (53) is coaxially fixed with the reel (6).
9. A method for surveying the gap of the inner wall of a closed body according to claim 7, wherein: the accommodating hole (32) is arranged at an opening of the end face of the rotating shaft (3) in a rounding mode.
10. A method for surveying the gap of the inner wall of a closed body according to claim 1, wherein: in S3, the receiving ring (11) is a bearing seat.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110750876.8A CN113484414B (en) | 2021-07-01 | 2021-07-01 | Method for surveying gap of inner wall of closed body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110750876.8A CN113484414B (en) | 2021-07-01 | 2021-07-01 | Method for surveying gap of inner wall of closed body |
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| CN113484414A true CN113484414A (en) | 2021-10-08 |
| CN113484414B CN113484414B (en) | 2023-05-19 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4318533A (en) * | 1978-07-25 | 1982-03-09 | Walter Port | Apparatus for maintaining tension on a tension cable |
| JPH0886774A (en) * | 1994-09-14 | 1996-04-02 | Hitachi Ltd | Ultrasonic testing device |
| US20020134178A1 (en) * | 2000-11-29 | 2002-09-26 | Ray Knight | Ultrasonic testing system |
| US20090078742A1 (en) * | 2005-07-05 | 2009-03-26 | Saipem S.A. | Method and a device for Inspecting a pipe connection weld by an ultrasound probe |
| CN101577409A (en) * | 2009-05-05 | 2009-11-11 | 武汉中岩科技有限公司 | Device and method for taking up and laying cable conductors synchronously |
| CN203932943U (en) * | 2014-03-31 | 2014-11-05 | 深圳市浪尖设计有限公司 | Laterally automatically reel line structure and charging pile |
| CN204101509U (en) * | 2014-08-01 | 2015-01-14 | 南京林城亿轮轨道交通技术有限公司 | Contactless leakage of fault detecting probe rod of hollow axle |
| CN207717709U (en) * | 2017-12-27 | 2018-08-10 | 核动力运行研究所 | One kind taking over surfaces externally and internally ultrasonic examination tool before manufacture |
| CN210953930U (en) * | 2019-09-30 | 2020-07-07 | 上海宝沪质量检验检测有限公司 | Intelligent house detection device |
| CN112985315A (en) * | 2021-02-22 | 2021-06-18 | 浙江城际特种设备检测有限公司 | Ultrasonic thickness gauge and detection method thereof |
-
2021
- 2021-07-01 CN CN202110750876.8A patent/CN113484414B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4318533A (en) * | 1978-07-25 | 1982-03-09 | Walter Port | Apparatus for maintaining tension on a tension cable |
| JPH0886774A (en) * | 1994-09-14 | 1996-04-02 | Hitachi Ltd | Ultrasonic testing device |
| US20020134178A1 (en) * | 2000-11-29 | 2002-09-26 | Ray Knight | Ultrasonic testing system |
| US20090078742A1 (en) * | 2005-07-05 | 2009-03-26 | Saipem S.A. | Method and a device for Inspecting a pipe connection weld by an ultrasound probe |
| CN101577409A (en) * | 2009-05-05 | 2009-11-11 | 武汉中岩科技有限公司 | Device and method for taking up and laying cable conductors synchronously |
| CN203932943U (en) * | 2014-03-31 | 2014-11-05 | 深圳市浪尖设计有限公司 | Laterally automatically reel line structure and charging pile |
| CN204101509U (en) * | 2014-08-01 | 2015-01-14 | 南京林城亿轮轨道交通技术有限公司 | Contactless leakage of fault detecting probe rod of hollow axle |
| CN207717709U (en) * | 2017-12-27 | 2018-08-10 | 核动力运行研究所 | One kind taking over surfaces externally and internally ultrasonic examination tool before manufacture |
| CN210953930U (en) * | 2019-09-30 | 2020-07-07 | 上海宝沪质量检验检测有限公司 | Intelligent house detection device |
| CN112985315A (en) * | 2021-02-22 | 2021-06-18 | 浙江城际特种设备检测有限公司 | Ultrasonic thickness gauge and detection method thereof |
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| CN113484414B (en) | 2023-05-19 |
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