CN207688864U - Device for detecting internal diameter of the pipeline before going into operation - Google Patents
Device for detecting internal diameter of the pipeline before going into operation Download PDFInfo
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- CN207688864U CN207688864U CN201721842078.3U CN201721842078U CN207688864U CN 207688864 U CN207688864 U CN 207688864U CN 201721842078 U CN201721842078 U CN 201721842078U CN 207688864 U CN207688864 U CN 207688864U
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- leather cup
- pipeline
- internal diameter
- cylinder
- before going
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Abstract
The utility model discloses a kind of devices for detecting internal diameter of the pipeline before going into operation, and belong to pipe-line system technical field.The device for detection internal diameter of the pipeline before going into operation is connected by the inside bottom of bowl of the first leather cup with one end of cylinder, telescopic caliper measurement probe is provided on the outer wall of the other end of cylinder, girth joint detector and odometer are arranged on the outer wall of cylinder, circuit board is arranged in cylinder, girth joint detector, odometer and caliper measurement probe are connected by conducting wire with circuit board, the information of the weld seam situation for the pipeline that device is passed through, the information of deformation is stored in the circuit board in the information and pipeline of traveling mileage, these information detected, which can reveal that, whether there is deformed region in operation preceding pipeline.Subsequently for example pass through the analysis to information, it may be determined that whether there is deformed region in operation preceding pipeline, to ensure the safe operation of pipeline, apparatus structure is simple, and detection cycle is short, strong applicability at the scene.
Description
Technical field
The utility model is related to pipe-line system technical field, more particularly to a kind of dresses for detecting internal diameter of the pipeline before going into operation
It sets.
Background technology
With the continuous development of domestic oil gas carrier, oil-gas pipeline buried over long distances is increasingly used in oil gas
Among the transport of product.Pipeline transportation rises by the features such as its is safe efficient, energy-saving and environmental protection in Chinese national economy development
Very important effect.But in oil-gas pipeline process of construction, due to pipe alley bed rock stone or other outer force effects, make
It obtains tube wall and is produced plastic deformation by external collision, extruding, to make pipeline locally be deformed before operation.It is this
The operational safety of pipe deforming threat tube may lead to pipeline failure when serious, influence regular pigging and the intelligence inspection of pipeline
It surveys, is unfavorable for the Integrity Management of pipeline.
Currently, domestic calibrated to newly-built pipeline is calibrated to pipeline using aluminium sheet wiper is calibrated, i.e., after operation
It is installed additional on conventional leather cup tube cleaner framework and calibrates aluminium sheet, under the premise of ensuring that wiper operates steadily, by judging aluminium sheet
Whether deformation measures caliber.
In the process of implementing the utility model, the designer has found to have at least the following problems in the prior art：
Measure that caliber exploitativeness is poor, and detection cycle is long after operation, human and material resources consumption is big, cannot be disposable accurate
Really search all exceeded deformations present on pipeline；Simultaneously as calibrating aluminium sheet wiper does not record continuous conduit internal diameter data,
For deformation, there are more pipeline sections, and it is likely to be that many places pipe deforming is tired to calibrate the pipe deforming situation that aluminium sheet is shown
Caused by adding effect, cause to calibrate result inaccuracy, there are missing inspection situations, and security risk is buried for the pipeline operation after operation.
Utility model content
In consideration of it, the utility model provides a kind of device for detecting internal diameter of the pipeline before going into operation, before can detecting operation
It whether there is deformed region in pipeline.
Specifically, including technical solution below：
A kind of device for detecting internal diameter of the pipeline before going into operation, described device include：First leather cup, cylinder, circuit board, ring
Weld seam detector, odometer and caliper measurement probe, wherein
The inside bottom of bowl of first leather cup is connected with one end of the cylinder, is set on the outer wall of the other end of the cylinder
It is equipped with the telescopic caliper measurement probe；
The girth joint detector and the odometer are arranged on the outer wall of the cylinder, and are located at first leather cup
Between the caliper measurement probe；
The circuit board is arranged in the cylinder, the girth joint detector, the odometer and the caliper measurement probe
It is connected with the circuit board by conducting wire.
Further, the caliper measurement probe includes：Probe arm, deformation-sensor, first bearing and the first elastic buffer
Part, the deformation-sensor are arranged on the probe arm, and the probe arm is connected with one end of the first bearing, and described the
The other end of one bearing is connected with the first elastic buffer device.
Further, the odometer includes：Mileage wheel, range sensor, second bearing and the second elastic buffer device,
The range sensor is arranged on the mileage wheel, and the mileage wheel is arranged in one end of the second bearing and and pipeline
Inner wall contact, the other end in the second bearing is arranged in the second elastic buffer device.
Further, described device further includes：Second leather cup, second leather cup are taper leather cup, and second skin
The outside bottom of bowl of bowl is connected with the other end of the cylinder, and the caliper measurement probe is arranged in the bowl of second leather cup.
Further, described device further includes：Hub, the hub is arranged on the outer wall of the cylinder, and position
Between the odometer or the girth joint detector and second leather cup.
Further, described device further includes：Heading plate, the heading plate are arranged in the bowl of second leather cup, and
It is not in contact with the inside bottom of bowl of second leather cup.
Further, first leather cup and second leather cup are elastic cup, first leather cup and described second
The bowl diameter of leather cup is identical and is more than the internal diameter of the pipeline.
Further, described device further includes：Anti- to ram, anti-ram is arranged in the outside of first leather cup bowl
Bottom and it is connected with first leather cup.
Further, described device further includes：Signal transmitter, signal transmitter setting it is described it is anti-ram in.
Further, described device further includes：Power supply, the power supply be arranged in the cylinder and with the circuit board
It is connected.
The advantageous effect for the technical solution that the utility model embodiment provides：
It is connected with one end of cylinder by the inside bottom of bowl of the first leather cup, receives the impact of high pressure gas in pipeline, for dress
The movement set in the duct provides power, is provided with telescopic caliper measurement probe on the outer wall of the other end of cylinder, measures pipeline
In caliber value, girth joint detector and odometer be arranged on the outer wall of cylinder, and is located at the first leather cup and caliper measurement probe
Between, circuit board is arranged in cylinder, and girth joint detector, odometer and caliper measurement probe are connected by conducting wire with circuit board,
It can be by the information of deformation in the information of weld seam situation, the information of traveling mileage and pipeline of the pipeline of device process in electricity
It is stored in the plate of road, these information detected, which can reveal that, whether there is deformed region in operation preceding pipeline.Subsequently for example
Pass through the analysis to information, it may be determined that can be right if there is deformed region with the presence or absence of deformed region in operation preceding pipeline
Deformed region is accurately positioned, and is replaced to the pipeline that there is deformation before operation, it is ensured that the safe operation of pipeline；Together
When, apparatus structure is simple, and low manufacture cost, detection cycle is short, strong applicability at the scene.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the facing structure signal for the device of detection internal diameter of the pipeline before going into operation that the utility model embodiment provides
Figure；
Fig. 2 is the side view structure signal for the device of detection internal diameter of the pipeline before going into operation that the utility model embodiment provides
Figure；
Fig. 3 is the weldering for the pipeline provided for the device of detection internal diameter of the pipeline before going into operation that the utility model embodiment provides
Stitch the signal graph of deformation in situation and pipeline.
Reference numeral in figure is expressed as：
1, the first leather cup；
2, cylinder；
3, girth joint detector；
4, odometer；
401, mileage wheel；
402, range sensor；
403, second bearing；
404, the second elastic buffer device；
5, caliper measurement probe；
501, probe arm；
502, deformation-sensor；
503, first bearing；
504, the first elastic buffer device；
6, the second leather cup；
7, hub；
8, heading plate；
9, prevent raming；
10, support plate；
11, third leather cup；
A, pit orientation and size；
B, girth joint.
Specific implementation mode
To keep the technical solution of the utility model and advantage clearer, the utility model is implemented below in conjunction with attached drawing
Mode is described in further detail.
The utility model embodiment provides a kind of device for detecting internal diameter of the pipeline before going into operation, facing structure signal
Figure as shown in Figure 1, its side structure schematic view as shown in Fig. 2, the device includes the first leather cup 1, cylinder 2, circuit board is (in figure
Do not show), girth joint detector 3, odometer 4 and caliper measurement probe 5.
Wherein, the inside bottom of bowl of the first leather cup 1 is connected with one end of cylinder 2, is provided on the outer wall of the other end of cylinder 2
Telescopic caliper measurement probe 5, as shown in Figure 2；
Girth joint detector 3 and odometer 4 are arranged on the outer wall of cylinder 2, and positioned at the first leather cup 1 and caliper measurement probe 5
Between；
Circuit board be arranged in cylinder 2, girth joint detector 3, odometer 4 and caliper measurement probe 5 by conducting wire (in figure not
Display) it is connected with circuit board.
Therefore, the device for detection internal diameter of the pipeline before going into operation of the utility model embodiment passes through the first leather cup 1, cylinder
2, circuit board, girth joint detector 3, odometer 4 and caliper measurement probe 5, the letter of the weld seam situation for the pipeline that device can be passed through
The information of deformation is stored in the circuit board in breath, the information of traveling mileage and pipeline, these information detected can
It whether there is deformed region in operation preceding pipeline to disclose.Subsequently for example pass through the analysis to information, it may be determined that operation front tube
Deformed region can be accurately positioned, to depositing before operation if there is deformed region with the presence or absence of deformed region in road
It is replaced in the pipeline of deformation, it is ensured that the safe operation of pipeline.
Based on above-mentioned apparatus, below to the utility model embodiment for detection internal diameter of the pipeline before going into operation device into
Row further illustrates：
For caliper measurement probe 5, caliper measurement probe 5 is core component, the deformation for measuring internal diameter of the pipeline.
Specifically, caliper measurement probe 5 includes probe arm 501, deformation-sensor 502, first bearing 503 and the first elastic buffer
Device 504, as shown in Fig. 2, deformation-sensor 502 is arranged on probe arm 501, one end of probe arm 501 and first bearing 503
It is connected, the other end of first bearing 503 is connected with the first elastic buffer device 504.Wherein, deformation-sensor 502 can will be visited
The mechanical displacement that head arm 501 is swung is changed into electric signal, which stores after amplifying, handling into circuit board.
When caliper measurement probe 5 enters in pipeline, in order to adapt to the internal diameter width of pipeline, caliper measurement probe 5 can stretch,
Under the cooperation of first elastic buffer device 504 and first bearing 503, probe arm 501 can be tightly attached on the inner wall of pipeline.
Further, in order to realize all standing to insides of pipes circumference, the quantity of caliper measurement probe 5 more at most illustrates can be with
The information of deformation is more detailed in the pipeline measured.For example, in the utility model embodiment, the number of caliper measurement probe 5
Amount is 18, uniformly distributed on the outer wall of the other end port of cylinder 2, the deformation for measuring internal diameter of the pipeline week.
For odometer 4, odometer 4 is critical component, for acquiring mileage.
Specifically, odometer 4 includes mileage wheel 401, range sensor 402, second bearing 403 and the second elastic buffer
Part 404, range sensor 402 are arranged on mileage wheel 401, and range sensor 402 is connect by conducting wire with circuit board, mileage wheel
401 are arranged in one end of second bearing 403 and are contacted with the inner wall of pipeline, and the second elastic buffer device 404 is arranged in the second axis
Hold 403 other end.
So set, when odometer 4 enters in pipeline, it is slow in the second elasticity in order to adapt to the internal diameter width of pipeline
It rushes under the cooperation of device 404 and second bearing 403 and may be implemented to stretch, so that odometer 4 can be tightly attached to the interior of pipeline
On wall, mileage that harvester is passed through.
In quantity setting, the quantity of odometer 4 is two, the both sides of cylinder 2 is symmetricly set on, to prevent one of them
Odometer 4 damages and causes the missing of mileage.
It should be noted that the first elastic buffer device 504 and the second elastic buffer device 404 can be spring or bullet
Property plastic pad etc., plays the role of elastic buffer, is not specifically limited herein.
For girth joint detector 3, girth joint detector 3 (not shown in figure) can accurately recording device pass through
All girth joints of piping, improve the accuracy of defect location.
In order to ensure the normal operation of device, device further includes power supply (not shown in figure), and power supply is arranged in cylinder 2
In and be connected with circuit board, provide electric power support for device.
Further, in order to protect girth joint detector 3 and odometer 4 not to be impacted by high pressure gas, device also wraps
The second leather cup 6 is included, as shown in Figure 1, on the one hand, the second leather cup 6 is different from the first leather cup 1, and the first leather cup 1 is common leather cup knot
Structure, the second leather cup 6 are taper leather cup, it is possible to reduce in the frictional resistance that traveling generates in the process, reduce device and start and operation
Pressure difference, it is ensured that device can smoothly be run.
On the other hand, the outside bottom of bowl of the second leather cup 6 is connected with the other end of cylinder 2, and caliper measurement probe 5 is arranged in the second skin
In the bowl of bowl 6 so that the second leather cup 6 plays the role of protecting caliper measurement probe 5.
Meanwhile the inside bottom of bowl of the second leather cup 6 being provided with connector, conducting wire is connect with circuit board (in figure by connector
It does not show).
Specifically, as depicted in figs. 1 and 2, the bowl of the second leather cup 6 is set along several gaps, each probe arm 501 is above offered
Set the inside of the second leather cup 6 and between two adjacent gaps.The premise of main driving force is provided in the first leather cup 1 for device
Under, due to the presence in gap, the second leather cup 6 for the traveling of device only to provide auxiliary power.
It should be noted that the first leather cup 1 and the second leather cup 6 are elastic cup, there is leakproofness, 1 He of the first leather cup
The bowl diameter of second leather cup 6 is identical and is more than the internal diameter of pipeline.When detection device is placed into pipeline, the first leather cup 1 and second
Leather cup 6 can be compressed under the action of elasticity, is realized and is sealed with inner wall of the pipe.
In order to ensure the fixing-stable of device, it is additionally provided with third leather cup 11 at the outside bottom of bowl of the first leather cup 1, is such as schemed
Shown in 1, it is bolted on the outside bottom of bowl of the first leather cup 1；It is provided with support plate at the outside bottom of bowl of the second leather cup 6
10, it is bolted on the outside bottom of bowl of the second leather cup 6, as shown in Figure 1, playing the role of support fixes the second leather cup 6, into
And ensure whole device in the duct can be with the state of held stationary.
In order to ensure conducting wire setting it is not mixed and disorderly, device further includes hub 7, and the outer wall in cylinder 2 is arranged in hub 7
On, and between odometer 4 or girth joint detector 3 and the outside bottom of bowl of the second leather cup 6, for concentrating conducting wire.
Simultaneously as there are four girth joint detector 3 and two odometers 4 for setting, so, four road girth joint detectors 3
Conducting wire and two-way odometer 4 conducting wire concentrated by hub 7 after, be combined into a signal wire and pass through connector and connect with circuit board
It connects.
It is destroyed to protect detection device not to be impacted, on the one hand, device further includes heading plate 8, and the heading setting of plate 8 exists
In the bowl of second leather cup 6, and it is not in contact with the inside bottom of bowl of the second leather cup 6, heading plate 8 is placed in the top of connector, that is,
It says, heading plate 8 is arranged in the tail portion of detection device, as shown in Fig. 2, the startup for 8 realization device of plate that can be headed a ball by promotion, together
When, it prevents from making device be damaged from tail portion by the shock of other devices or equipment.
On the other hand, device further include it is anti-ram 9, anti-ram 9 is plate body, and anti-ram 9 is arranged in the outside of the first leather cup 1
Bottom of bowl and it is connected with the first leather cup 1, that is to say, that anti-ram 9 is arranged on the head of detection device, as shown in Figure 1.Specifically,
The anti-9 outside bottom of bowl for being fixed on third leather cup 11 of raming, are fixed by several they sup-ports, are expert at into mistake for anti-locking apparatus
The object that meets with obstruction in front of in journey hits or is hit by elbow when crossing elbow.
It should be noted that the bottom of bowl in the second leather cup 6 is arranged in connector, the lower part for plate 8 of heading a ball, in fig. 2, plate 8 of heading a ball
Just block connector.
In order to realize that the real-time transmission of data, device further include signal transmitter (not shown in figure), signal transmitting
Machine is low frequency signal transmitter, and setting is ramed anti-in 9, and the signal transmitter is provided with individual power supply, signal projector
It can coordinate with ground marker, for correcting mileage, improve the precision of positioning.
In the actual use process, it is 813mm with crude oil pipeline outer diameter, wall thickness 11.9mm, detection mileage is 56.7km
For, device of detection internal diameter of the pipeline is detected the internal diameter of pipeline with the presence or absence of deformed region before being used to go into operation using this,
Specific detection method is as follows：
First, starter, and device is placed in service cylinder, service cylinder is the pipeline being arranged at yard.
Secondly, to service cylinder pressurization, device is pushed into pipeline and is advanced from service cylinder, the information of pipeline is obtained.
Specifically, using air compressor to service cylinder pressurize, under the impetus of compressed air, by device from
Service cylinder is pushed into pipeline, and device under the impetus of compressed air, is advanced always along pipeline, is detected by device
The information of the pipelines such as information of deformation in the information of the weld seam situation of the pipeline of process, the information of traveling mileage and pipeline.
Operating personnel need to carry out all fronts tracking, each all fronts trace point and two adjacent all fronts trace points to device
Distance is no more than 2km, and operating personnel track device, need the unimpeded of equipment of keeping in communication at the scene, to refer at any time to scene
It waves group and reports tracking situation, anti-locking apparatus is lived when running a certain position in the duct by casey, and operating personnel can not
Judge apart from the position of casey.
Again, whether according to the information of pipeline, determining has pipe deforming region in pipeline.
Specifically, after the traveling that device completes full survey section, by the data copy to processor in device, utilization is special
Data Analysis Software played back, to ensure the complete of data, continue with the Data Analysis Software and carry out to weld seam situation
Information, the information of deformation carries out data analysis in the information of traveling mileage and pipeline.It, can be accurate by data analysis
Quantify pipeline deformation size, in combination in pipeline mounting construction record weld bond information and device in the weld seam situation that detects
Information, can accurately say pipe deforming region carry out terrestrial positioning.
It should be noted that the deformation in addition to that can identify pipeline, data analysis, which can also identify, installs attachment, ring in pipeline
The information such as weld seam, spiral weld, elbow and bend pipe.
In the utility model embodiment, by the processing analysis to data, obtain in the weld seam situation and pipeline of pipeline
The signal graph of deformation, as shown in figure 3, a marks pit orientation and size, b indicate girth joint, by observation it can be found that
There are abnormal signals at one to show on Fig. 3, such as the position of middle minister's vertical line institute marked position in Fig. 3, geometry deformation herein
Amount is 9.7%, is located at the 12 o'clock position of pipeline, there is that there are the possibility in pipe deforming region at this.
Finally, if there is pipe deforming region, the position in pipe deforming region is determined.According to the letter of the weld seam situation of pipeline
The information of breath and traveling mileage, determines the physical location in pipe deforming region.By field investigation and excavation, to verify this method
Accuracy and reliability.
The above is merely for convenience of it will be understood by those skilled in the art that the technical solution of the utility model, not to
Limit the utility model.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of device for detecting internal diameter of the pipeline before going into operation, which is characterized in that described device includes：First leather cup, cylinder,
Circuit board, girth joint detector, odometer and caliper measurement probe, wherein
The inside bottom of bowl of first leather cup is connected with one end of the cylinder, is provided on the outer wall of the other end of the cylinder
The telescopic caliper measurement probe；
The girth joint detector and the odometer are arranged on the outer wall of the cylinder, and are located at first leather cup and institute
It states between caliper measurement probe；
The circuit board is arranged in the cylinder, and the girth joint detector, the odometer and the caliper measurement probe pass through
Conducting wire is connected with the circuit board.
2. the device according to claim 1 for detecting internal diameter of the pipeline before going into operation, which is characterized in that the caliper measurement probe
Including：Probe arm, deformation-sensor, first bearing and the first elastic buffer device, the deformation-sensor are arranged in the spy
In head arm, the probe arm is connected with one end of the first bearing, the other end of the first bearing and first elasticity
Buffering device is connected.
3. the device according to claim 1 for detecting internal diameter of the pipeline before going into operation, which is characterized in that the odometer packet
It includes：Mileage wheel, range sensor, second bearing and the second elastic buffer device, the range sensor are arranged in the mileage
On wheel, the mileage wheel is arranged in one end of the second bearing and is contacted with the inner wall of pipeline, second elastic buffer
The other end in the second bearing is arranged in part.
4. the device according to claim 3 for detecting internal diameter of the pipeline before going into operation, which is characterized in that described device is also wrapped
It includes：Second leather cup, second leather cup are taper leather cup, and the other end of the outside bottom of bowl and the cylinder of second leather cup
It is connected, the caliper measurement probe is arranged in the bowl of second leather cup.
5. the device according to claim 4 for detecting internal diameter of the pipeline before going into operation, which is characterized in that described device is also wrapped
It includes：Hub, the hub are arranged on the outer wall of the cylinder, and are located at the odometer or the girth joint detector
Between second leather cup.
6. the device according to claim 5 for detecting internal diameter of the pipeline before going into operation, which is characterized in that described device is also wrapped
It includes：Heading plate, the heading plate is arranged in the bowl of second leather cup, and does not connect with the inside bottom of bowl of second leather cup
It touches.
7. the device according to claim 4 for detecting internal diameter of the pipeline before going into operation, which is characterized in that first leather cup
It is elastic cup with second leather cup, first leather cup is identical with the bowl diameter of second leather cup and is more than the pipeline
Internal diameter.
8. the device according to claim 1 for detecting internal diameter of the pipeline before going into operation, which is characterized in that described device is also wrapped
It includes：Anti- to ram, anti-ram and is connected at the outside bottom of bowl being arranged in first leather cup with first leather cup.
9. the device according to claim 8 for detecting internal diameter of the pipeline before going into operation, which is characterized in that described device is also wrapped
It includes：Signal transmitter, signal transmitter setting it is described it is anti-ram in.
10. the device according to claim 1 for detecting internal diameter of the pipeline before going into operation, which is characterized in that described device is also
Including：Power supply, the power supply are arranged in the cylinder and are connected with the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721842078.3U CN207688864U (en) | 2017-12-26 | 2017-12-26 | Device for detecting internal diameter of the pipeline before going into operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721842078.3U CN207688864U (en) | 2017-12-26 | 2017-12-26 | Device for detecting internal diameter of the pipeline before going into operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207688864U true CN207688864U (en) | 2018-08-03 |
Family
ID=62995824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721842078.3U Active CN207688864U (en) | 2017-12-26 | 2017-12-26 | Device for detecting internal diameter of the pipeline before going into operation |
Country Status (1)
| Country | Link |
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| CN (1) | CN207688864U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060949A (en) * | 2018-08-14 | 2018-12-21 | 中国石油大学(北京) | Integrated pipe channel detector |
| CN110082482A (en) * | 2019-04-29 | 2019-08-02 | 北京航空航天大学 | A kind of oil-gas pipeline internal detector |
| CN110398220A (en) * | 2019-07-08 | 2019-11-01 | 中国安全生产科学研究院 | The siphunculus caliper of variable outer diameter |
| CN111238431A (en) * | 2018-11-29 | 2020-06-05 | 中国石油天然气股份有限公司 | Inner diameter detection device |
| CN112902904A (en) * | 2019-12-25 | 2021-06-04 | 达州帝泰克检测设备有限公司 | High-precision pipeline inner diameter measuring device |
| CN113007491A (en) * | 2021-03-11 | 2021-06-22 | 中国石油大学(北京) | Pipeline diameter measuring and pipe cleaning device |
| CN116399366A (en) * | 2023-06-08 | 2023-07-07 | 国机传感科技有限公司 | Mileage measuring device and method for in-pipeline detector based on photoelectric sensor |
-
2017
- 2017-12-26 CN CN201721842078.3U patent/CN207688864U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060949A (en) * | 2018-08-14 | 2018-12-21 | 中国石油大学(北京) | Integrated pipe channel detector |
| CN111238431A (en) * | 2018-11-29 | 2020-06-05 | 中国石油天然气股份有限公司 | Inner diameter detection device |
| CN110082482A (en) * | 2019-04-29 | 2019-08-02 | 北京航空航天大学 | A kind of oil-gas pipeline internal detector |
| CN110398220A (en) * | 2019-07-08 | 2019-11-01 | 中国安全生产科学研究院 | The siphunculus caliper of variable outer diameter |
| CN112902904A (en) * | 2019-12-25 | 2021-06-04 | 达州帝泰克检测设备有限公司 | High-precision pipeline inner diameter measuring device |
| CN113007491A (en) * | 2021-03-11 | 2021-06-22 | 中国石油大学(北京) | Pipeline diameter measuring and pipe cleaning device |
| CN116399366A (en) * | 2023-06-08 | 2023-07-07 | 国机传感科技有限公司 | Mileage measuring device and method for in-pipeline detector based on photoelectric sensor |
| CN116399366B (en) * | 2023-06-08 | 2023-08-08 | 国机传感科技有限公司 | Mileage measuring device and method for in-pipeline detector based on photoelectric sensor |
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