CN220231603U - Ultrasonic detector for inner diameter weld joint of pipeline - Google Patents
Ultrasonic detector for inner diameter weld joint of pipeline Download PDFInfo
- Publication number
- CN220231603U CN220231603U CN202321898987.4U CN202321898987U CN220231603U CN 220231603 U CN220231603 U CN 220231603U CN 202321898987 U CN202321898987 U CN 202321898987U CN 220231603 U CN220231603 U CN 220231603U
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- pipe
- ultrasonic
- pipeline
- inner diameter
- bearing
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- 238000001514 detection method Methods 0.000 claims abstract description 49
- 239000000523 sample Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000003466 welding Methods 0.000 abstract description 27
- 230000000694 effects Effects 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000007822 coupling agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
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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
Abstract
An ultrasonic detector for the inner diameter weld joint of a pipeline comprises a pipeline phased array ultrasonic flaw detection equipment body, an elastic fixing frame mechanism and a rotating mechanism; the elastic fixing frame mechanism comprises springs and connecting pipes, one end of each connecting pipe is provided with a plurality of guide rods, the plurality of springs are respectively movably sleeved on the outer sides of the plurality of guide rods, and two side ends of a supporting frame of each group of ultrasonic probes are respectively movably sleeved on the outer sides of four guide rods of each connecting pipe; the rotating mechanism comprises a limiting fixed seat, a bearing, a linear bearing, a telescopic pipe and a hand wheel, wherein the bearing is arranged in the limiting fixed seat, the outer ring of the linear bearing is arranged in the inner ring of the bearing, the outer side of the telescopic pipe is sleeved on the inner side of the linear bearing in a sliding manner, the hand wheel is arranged on one side of the telescopic pipe, and the hand wheel is provided with a rotating handle. The utility model discloses can make many groups ultrasonic probe be located the both sides of welding seam respectively, ultrasonic probe can the omnidirectional no dead angle detect both sides in the welding seam. This novel staff has brought the facility, can reach better detection effect, and has improved detection efficiency.
Description
Technical Field
The utility model relates to the technical field of detection equipment, in particular to an ultrasonic detector for an inner diameter welding seam of a pipeline.
Background
The pipeline phased array ultrasonic flaw detection device is a common pipeline welding seam detection device, is widely used for detecting welding seams of petroleum pipelines, gas storage pipelines and the like, and when in detection, a probe of the pipeline phased array ultrasonic flaw detection device carries out nondestructive detection on the welding seams of the pipelines, and then the probe outputs detected signals to a host of the pipeline phased array ultrasonic flaw detection device to obtain specific welding seam detection data, so that welding defects of the welding seams of the pipelines are found.
In the prior art, the pipeline phased array ultrasonic flaw detection equipment is limited in structure, and detects welding seams from the outer ends of the pipelines, so that probes are generally required to be adopted to detect the two side ends of the welding seams respectively in order to achieve a good detection effect in practical detection. In general, for two ends of a welding part between two pipelines, the detection requirement can be met due to the fact that the pipelines are of a horizontal plane structure, however, when the welding part is used for detecting the welding part between the pipelines and the flange, the welding joint at one side of the steel pipe can be provided with a probe due to the fact that the outer surface of the flange and the connecting part of the steel pipe are of a conical inclined plane structure, but the welding joint at one side of the flange cannot be provided with the probe due to the inclined plane structure of the flange, inconvenience is brought to practical detection, and the detection effect cannot be guaranteed. In summary, it is particularly necessary to provide an ultrasonic detector which is particularly suitable for detecting the weld joint portion of the flange and the steel pipe, and can conveniently and simultaneously detect the two side ends of the weld joint.
Disclosure of Invention
In order to overcome the defects of the prior pipeline phased array ultrasonic flaw detection equipment as described in the background due to the limited structure, the utility model provides the pipeline inner diameter welding seam ultrasonic detector which can ensure that two groups of ultrasonic detection heads are conveniently arranged on the inner sides of a pipeline and a flange plate by detection personnel under the combined action of related mechanisms, and the upper ends of the detection heads are attached to the inner sides of the pipeline, and the two groups of ultrasonic detection heads can respectively and simultaneously carry out seamless detection on two sides of a welding seam by rotating a hand wheel, thereby bringing convenience to the personnel and improving the detection effect and efficiency.
The technical scheme adopted for solving the technical problems is as follows:
an ultrasonic detector for an inner diameter weld joint of a pipeline comprises a pipeline phased array ultrasonic flaw detection equipment body and is characterized by also comprising an elastic fixing frame mechanism and a rotating mechanism; the elastic fixing frame mechanism comprises springs and connecting pipes, one end of each connecting pipe is provided with a plurality of guide rods, the plurality of springs are respectively movably sleeved on the outer sides of the guide rods, the ultrasonic probes of the ultrasonic detector body are provided with a plurality of groups, and two side ends of a supporting frame of each group of ultrasonic probes are respectively movably sleeved on the outer sides of the guide rods in the connecting pipe and are positioned at the upper ends of the springs; the rotating mechanism comprises a limiting fixed seat, a bearing, a linear bearing, a telescopic pipe and a hand wheel, wherein the bearing is arranged in the limiting fixed seat, an outer ring of the linear bearing is arranged in an inner ring of the bearing, the outer side of the telescopic pipe is sleeved on the inner side of the linear bearing in a sliding manner, the hand wheel is arranged on one side of the telescopic pipe, and the hand wheel is provided with a rotating handle.
Further, a limiting plate is arranged at one side end of the limiting fixing seat.
Further, the outer diameter of the telescopic tube is smaller than the inner diameter of the linear bearing, and scale marks are transversely arranged at the outer side end of the telescopic tube.
Further, a water pipe is arranged in the telescopic pipe, one side of the water pipe is connected with the water pipe, the other side of the telescopic pipe is connected with one side of the connecting pipe, the water pipe is communicated with the connecting pipe, the connecting pipe is provided with a branch pipe, and one end of the branch pipe is positioned at the side end of the probe.
Further, the outer diameter of the ultrasonic probe set is larger than the inner diameter of the detected pipeline.
Further, a fixed handle is arranged on the outer side of the limiting fixed seat.
The utility model has the beneficial effects that: the utility model discloses before detecting, fix limit fixing base through limiting plate and ring flange lateral end together, during the detection, the flexible pipe of lateral pulling of inspector, because steel pipe and ring flange welding position inboard are in a plane and do not have the inclined plane, can make four groups ultrasonic probe be located the both sides of welding seam respectively like this, under the effort of spring, four groups ultrasonic probe's detection end laminating pipeline and ring flange welding seam medial extremity respectively, in the detection, the rotatory hand wheel of inspector, can make four groups ultrasonic probe qxcomm technology no dead angle detect the both sides in the welding seam, in the detection water that leads to the water pipe outflow as the couplant gets into between pipeline medial extremity and the probe detection face, satisfy the detection needs. This novel staff has brought the facility, can reach better detection effect, and has improved detection efficiency. Based on the above-mentioned that, the novel method has good application prospect.
Drawings
The utility model is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of the whole structure of the present utility model.
Fig. 2 and 3 are schematic views of partial planar structures of the present utility model.
Detailed Description
1, 2 and 3, an ultrasonic detector for an inner diameter weld joint of a pipeline comprises a pipeline phased array ultrasonic flaw detection equipment body, an elastic fixing frame mechanism and a rotating mechanism; the elastic fixing frame mechanism comprises springs 1 and connecting pipes 2, wherein the front side end of each connecting pipe 2 is of a closed structure, the rear side end of each connecting pipe 2 is of an open structure, eight guide rods 21 are vertically welded at the upper end and the lower end of each connecting pipe 2 from front to back, sixteen springs 1 are movably sleeved at the outer sides of sixteen guide rods 21 respectively, four groups of ultrasonic probes 3 of the ultrasonic detector body are arranged at the middle parts of two side ends of a supporting frame 31 of each group of ultrasonic probes 3, two guide holes 32 with inner diameters larger than the outer diameters of the guide rods are respectively arranged at the middle parts of two side ends of a supporting frame 31 of each group of ultrasonic probes 3, four guide holes 32 of each group of ultrasonic probes 3 are movably sleeved at the outer sides of four guide rods 21 at the left and right parts of the upper end of each connecting pipe (the upper and lower parts of each ultrasonic sleeve), the supporting frame of each group of ultrasonic probes is sleeved at the outer upper sides of the left and right adjacent guide rods, and is positioned at the upper end of each guide rod 1, and a limiting ring 33 with the outer diameter larger than the outer diameter of each spring 1 and the height lower than the ultrasonic probes is arranged at the upper end of each guide rod 21; the rotating mechanism comprises a limiting fixed seat 4, rotating bearings 5, linear bearings 6, telescopic pipes 7 and a hand wheel 8, wherein the outer rings of the two rotating bearings 5 are tightly sleeved at the front end and the rear end in the limiting fixed seat 4 (in a middle front-rear open structure) at a certain distance, the outer rings of the linear bearings 6 are tightly sleeved in the inner rings of the two rotating bearings 5, the outer sides of the telescopic pipes 7 are slidably sleeved on the inner sides of the linear bearings 6, the inner sides of the hand wheel 8 are fixedly arranged on the rear outer sides of the telescopic pipes 7, and a rotating handle 81 is transversely arranged on the rear outer sides of the hand wheel 8.
As shown in fig. 1, 2 and 3, the front end of the limiting fixing seat is provided with a circle of limiting plate 41 with the outer diameter larger than the outer diameter of the pipeline, and a plurality of fixing holes are annularly distributed on the limiting plate 41. The outer diameter of the telescopic tube 7 is slightly smaller than the inner diameter of the linear bearing 6, and graduation marks 71 are arranged at the outer side end of the telescopic tube 7 at a certain interval in the transverse direction. A water pipe 9 is transversely welded in the telescopic pipe, the outer side of the rear end of the water pipe 9 is connected with a tap water pipe or a water tank through a hose (a valve is connected in series), the front end of the telescopic pipe 7 is welded with the rear outer side of the connecting pipe 2, the water pipe 9 is communicated with the connecting pipe 2, two branch pipes 10 communicated with the front end of the water pipe are respectively welded at the upper end and the lower end of the front end of the connecting pipe 2 in a vertical mode, the upper ends of the four branch pipes 10 are respectively positioned at the rear side ends of the four groups of ultrasonic probes 3 and are lower than the ultrasonic probes 3, wires connected with the four groups of ultrasonic probes 3 are led into the connecting pipe 2 through holes at the front upper end of the connecting pipe 2, led out of the telescopic pipe 7, and led out of the rear outer side of the telescopic pipe 7, and the wires connected with the four groups of ultrasonic probes 3 are connected with the main machine signal input end of a phased array ultrasonic flaw detection equipment body. The outer diameter of the four groups of ultrasonic probes 3 is larger than the inner diameter of the detected pipeline 11. The limiting fixed seat 4 is positioned between the two rotary bearings 5, a wire hole 42 is formed in the middle of the limiting fixed seat, and a manual fixed handle 12 is screwed into the outer side end of the wire hole 42 (a screw rod for fixing the handle 12 is screwed into the wire hole 42).
Fig. 1, 2, 3 show, this novel before detecting, fix the spacing fixing base through the fixed orifices of limiting plate 41 and the pipeline side ring flange 13 fixed orifices that awaits measuring together through screw nut, during the detection, the inspector pulls flexible pipe 7 through horizontal back and forth, flexible pipe 7 moves 9 (the inspector can know the probe according to the scale mark of flexible pipe and is located the pipeline position, push-and-pull flexible pipe no longer in place after arriving), because steel pipe 11 and ring flange 13 welding position inboard is in a plane and do not have the inclined plane, can make four groups ultrasonic probe 3 be located the both sides of welding seam respectively like this (there are two groups ultrasonic probe respectively in welding seam both sides end), every ultrasonic probe 3 of cover is under the effort of spring 1, upwards move along guide bar 21 through the guiding hole 32 of support frame 31 both sides end, like this, can make the both sides end (the probe can laminate with the pipeline inner wall laminating of pipeline inner wall) of the inside welding seam of four groups ultrasonic probe 3 respectively, detection precision has been improved). In the detection, a detection person rotates a hand wheel 8 (the telescopic pipe rotates) by hand through a handle 81, so that the two sides in a welding line can be detected by the four groups of ultrasonic probes 3 in all directions without dead angles, after a valve of a water pipe 9 is opened in the detection, water flows out through four branch pipes 10 and enters between the inner side end of a pipeline and the probe detection surface of the ultrasonic probe as a coupling agent, and the detection requirement is met (the ultrasonic flaw detection needs to input water between the probe and a detection point position as the coupling agent). In this novel detection, when needs ultrasonic probe 3 are fixed to detect the in-pipeline testing point position, the testing personnel screw fixed handle 12 with the hand, and the flexible pipe 7 outside end of fixed handle 12 inboard end in close contact with, flexible pipe 7 just so can not the fore or after motion, also can not rotary motion, just can fix the detection to relevant point position. This novel staff has brought the facility, can reach better detection effect, and has improved detection efficiency.
The present utility model is not limited to the specific technical solutions described in the above embodiments, and other embodiments may be provided in addition to the above embodiments. Any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art, which are within the spirit and principles of the present utility model, are intended to be included within the scope of the present utility model.
Claims (6)
1. An ultrasonic detector for an inner diameter weld joint of a pipeline comprises a pipeline phased array ultrasonic flaw detection equipment body and is characterized by also comprising an elastic fixing frame mechanism and a rotating mechanism; the elastic fixing frame mechanism comprises springs and connecting pipes, one end of each connecting pipe is provided with a plurality of guide rods, the plurality of springs are respectively movably sleeved on the outer sides of the guide rods, the ultrasonic probes of the ultrasonic detector body are provided with a plurality of groups, and two side ends of a supporting frame of each group of ultrasonic probes are respectively movably sleeved on the outer sides of the guide rods in the connecting pipe and are positioned at the upper ends of the springs; the rotating mechanism comprises a limiting fixed seat, a bearing, a linear bearing, a telescopic pipe and a hand wheel, wherein the bearing is arranged in the limiting fixed seat, an outer ring of the linear bearing is arranged in an inner ring of the bearing, the outer side of the telescopic pipe is sleeved on the inner side of the linear bearing in a sliding manner, the hand wheel is arranged on one side of the telescopic pipe, and the hand wheel is provided with a rotating handle.
2. The ultrasonic detector of claim 1, wherein a limiting plate is provided at one side of the limiting mount.
3. The ultrasonic detector of pipeline inner diameter welds according to claim 1, wherein the outer diameter of the bellows is smaller than the inner diameter of the linear bearing, and the outer end of the bellows is transversely provided with graduation marks.
4. The ultrasonic detector for the inner diameter weld of the pipeline according to claim 1, wherein the water pipe is arranged in the telescopic pipe, one side of the water pipe is connected with the water pipe, the other side of the telescopic pipe is connected with one side of the connecting pipe, the water pipe is communicated with the connecting pipe, the connecting pipe is provided with a branch pipe, and one end of the branch pipe is positioned at the side end of the probe.
5. The ultrasonic detector for pipe inner diameter welds according to claim 1, wherein the outer diameter of the plurality of ultrasonic probe sets is greater than the inner diameter of the pipe being detected.
6. The ultrasonic detector for inner diameter welds of pipelines according to claim 1, wherein the outer side of the limiting fixing seat is provided with a fixing handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321898987.4U CN220231603U (en) | 2023-07-19 | 2023-07-19 | Ultrasonic detector for inner diameter weld joint of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321898987.4U CN220231603U (en) | 2023-07-19 | 2023-07-19 | Ultrasonic detector for inner diameter weld joint of pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220231603U true CN220231603U (en) | 2023-12-22 |
Family
ID=89175007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321898987.4U Active CN220231603U (en) | 2023-07-19 | 2023-07-19 | Ultrasonic detector for inner diameter weld joint of pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220231603U (en) |
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2023
- 2023-07-19 CN CN202321898987.4U patent/CN220231603U/en active Active
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