CN107131388B - Joint coating on pipeline heat shrinking sleeve support device - Google Patents
Joint coating on pipeline heat shrinking sleeve support device Download PDFInfo
- Publication number
- CN107131388B CN107131388B CN201610111831.5A CN201610111831A CN107131388B CN 107131388 B CN107131388 B CN 107131388B CN 201610111831 A CN201610111831 A CN 201610111831A CN 107131388 B CN107131388 B CN 107131388B
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- China
- Prior art keywords
- control assembly
- heat shrinking
- pipeline
- shrinking sleeve
- slide assemblies
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
- F16L55/1705—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose with a substantially radial tightening member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a kind of joint coating on pipeline heat shrinking sleeve support devices, belong to Oil & Gas Storage field.Described device includes: control assembly and the slide assemblies that are slidably connected with the control assembly；The control assembly and the slide assemblies are adsorbed on pipeline outer wall by fixing piece；The slide assemblies are used to support the heat shrinking sleeve between the pipeline outer wall and heat shrinking sleeve；The control assembly is located at except the region that the heat shrinking sleeve is covered, for controlling the slide assemblies and sliding along the direction close to the control assembly, until skidding off the heat shrinking sleeve during heat shrinking sleeve is shunk.Joint coating on pipeline heat shrinking sleeve support device provided by the invention improves the efficiency of joint coating on pipeline, solves joint coating on pipeline low efficiency in the related technology, the problem of repaired mouth effect difference.The present invention is used for joint coating on pipeline.
Description
Technical field
The present invention relates to Oil & Gas Storage field, in particular to a kind of joint coating on pipeline heat shrinking sleeve support device.
Background technique
Joint coating on pipeline is the anticorrosion structure of two sections of oil transportations or gas pipeline weld, generally using heat shrinking sleeve as benefit
Gate material.In construction, heat shrinking sleeve can be coated on to pipeline weld, then the surface of the heat shrinking sleeve is carried out uniform
Heating makes heat shrinking sleeve along the radially uniform contraction of pipeline, while heat shrinking sleeve hose lining melts, colloid filling and packet after fusing
It overlays on pipeline, forms the pipeline external anti-corrosion layer of secure seal.
In the related technology, since the aperture of heat shrinking sleeve is generally higher than pipeline aperture, heat shrinking sleeve is coated on pipeline weldering
After meeting place, in order to guarantee heat shrinking sleeve can uniform shrinkage, need to be inserted into multiple supporting blocks between heat shrinking sleeve and pipeline, make
Obtaining heat shrinking sleeve can uniformly be looped around on pipeline, to can uniformly receive in pipe surface after guaranteeing that the heat shrinking sleeve is heated
Contracting, after heat shrinking sleeve is contracted to a certain degree, which can be taken out, then be further continued for heating the heat shrinking sleeve, make
Heat shrinking sleeve is obtained to be completely melt on pipeline.
But supporting block in the related technology is generally wooden supporting block, needs to be pulled out by hand by operator when in use
It inserts, efficiency when carrying out repaired mouth to pipeline is lower, and the effect of repaired mouth is poor.
Summary of the invention
In order to solve problems in the prior art, the present invention provides a kind of joint coating on pipeline heat shrinking sleeve support devices.It is described
Technical solution is as follows:
The embodiment of the present invention provides a kind of joint coating on pipeline heat shrinking sleeve support device, described device include: control assembly and
The slide assemblies being slidably connected with the control assembly；
The control assembly and the slide assemblies are arranged on pipeline outer wall；
The slide assemblies are used to support the heat shrinking sleeve between the pipeline outer wall and heat shrinking sleeve；
The control assembly is located at except the region that the heat shrinking sleeve is covered, for what is shunk in the heat shrinking sleeve
In the process, it controls the slide assemblies to slide along the direction close to the control assembly, until skidding off the heat shrinking sleeve.
Optionally, the control assembly, comprising:
Control circuit, actuator, bottom plate and fixing piece；
The control circuit is connect with the actuator, for controlling the working condition of the actuator；
The side on the bottom plate far from the pipeline outer wall is arranged in the actuator, in the control circuit
Under control, the slide assemblies is driven to slide along the direction close to the control assembly；
The side on the bottom plate close to the pipeline outer wall is arranged in the fixing piece, for consolidating the control assembly
It is scheduled on the pipeline outer wall.
Optionally, the actuator is direct current generator；
The control circuit is used to control the rotation of the direct current generator；
The direct current generator is connect by lead screw with the slide assemblies, for leading under the control of the control circuit
Crossing the lead screw drives the slide assemblies to slide along the direction close to the control assembly.
Optionally, the actuator is magnet；
The control circuit is used to control the magnetism of the electromagnet；
The electromagnet is used under the control of the control circuit, by slide assemblies described in magnetic-adsorption, so that institute
Slide assemblies are stated to slide along the direction close to the control assembly.
Optionally, the slide assemblies, comprising:
Slide plate, shield and ranging component；
The slide plate is connect with the actuator, and is slidably connected with the bottom plate, and the slide plate can be in the driving
Under the driving of part, slided on the bottom plate along the direction close to the control assembly；
The side on the slide plate far from the pipeline outer wall is arranged in the shield, is used to support the heat shrinking sleeve；
One end on the slide plate far from the control assembly is arranged in the ranging component, and is located in the shield,
The ranging component is electrically connected with the control assembly, for the distance between detecting with described heat shrinking sleeve, and when it is described away from
When from being less than preset threshold, Xiang Suoshu control assembly sends the trigger signal for triggering the actuator work.
Optionally, the ranging component is fibre-optical probe component, and the fibre-optical probe component includes fibre-optical probe, probe bottom
Seat and probe sleeve；
One end on the slide plate far from the control assembly is arranged in the probe mount；
The probe sleeve is arranged in the probe mount, and the fibre-optical probe is arranged in the probe sleeve；
The fibre-optical probe is directed away from the side of the control assembly, and is acute angle with the angle of the pipeline axial direction.
Optionally, slide assemblies further include:
Supporting plate and the spring wire being arranged in the supporting plate；
The ranging component is electrically connected to the control circuit by the spring wire；
The side on the slide plate far from the pipeline outer wall is arranged in the supporting plate, and is located in the shield, is used for
The fixed spring wire.
Optionally, the control assembly and the slide assemblies are axially disposed within the pipeline outer wall along the pipeline
On.
Optionally, the fixing piece is magnechuck or magnet sucking disc.
Optionally, the shield is arcuate structure.
Optionally, paint cannot be coated with viscously on the shield.
Technical solution provided in an embodiment of the present invention has the benefit that
The embodiment of the invention provides a kind of joint coating on pipeline heat shrinking sleeve support device, the device include: control assembly and
The slide assemblies being slidably connected with the control assembly；The control assembly and the slide assemblies are arranged on pipeline outer wall；The sliding
Component is located between the pipeline outer wall and heat shrinking sleeve, is used to support the heat shrinking sleeve；The control assembly is located at the heat shrinking sleeve
Except the region covered, for controlling the slide assemblies along close to the control assembly during heat shrinking sleeve is shunk
Direction sliding, until skid off the heat shrinking sleeve.Joint coating on pipeline is being carried out using the joint coating on pipeline heat shrinking sleeve support device
In the process, it is not necessarily to operator's craft plug support device, the efficiency of repaired mouth is improved, improves the effect of repaired mouth.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of joint coating on pipeline heat shrinking sleeve support device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another joint coating on pipeline heat shrinking sleeve support device provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of ranging component provided in an embodiment of the present invention；
Fig. 4 is a kind of signal of the application scenarios of joint coating on pipeline heat shrinking sleeve support device provided in an embodiment of the present invention
Figure.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of structural schematic diagram of joint coating on pipeline heat shrinking sleeve support device provided in an embodiment of the present invention, referring to
Fig. 1, the device include:
Control assembly 10 and the slide assemblies 20 being slidably connected with the control assembly 10；
The control assembly 10 and the slide assemblies 20 are arranged on pipeline outer wall 00；
The slide assemblies 20 are located between the pipeline outer wall 00 and heat shrinking sleeve 01, are used to support the heat shrinking sleeve 01；
The control assembly 10 is located at except the region that the heat shrinking sleeve 01 is covered, for what is shunk in the heat shrinking sleeve 01
In the process, it controls the slide assemblies 20 to slide along the direction close to the control assembly 10, until skidding off the heat shrinking sleeve 01.
In conclusion the device includes: control the embodiment of the invention provides a kind of joint coating on pipeline heat shrinking sleeve support device
Component processed and the slide assemblies being slidably connected with the control assembly；The process that the control assembly can be shunk in the heat shrinking sleeve
In, it controls the slide assemblies and is slided along the direction close to the control assembly, until skidding off the heat shrinking sleeve, therefore using the pipe
During road repaired mouth heat shrinking sleeve support device carries out joint coating on pipeline, it is not necessarily to operator's craft plug support device, is improved
The efficiency of repaired mouth, improves the effect of repaired mouth.
Optionally, as shown in Figure 1, the control assembly 10 and the slide assemblies 20 can be axially disposed within the pipe along pipeline
On pipeline outer wall 00, to guarantee that the slide assemblies 20 can effectively support the heat shrinking sleeve 01.
Optionally, as shown in Fig. 2, the control assembly 10 may include:
Control circuit 101, actuator 102, bottom plate 103 and fixing piece 104；
The control circuit 101 is connect with the actuator 102, for controlling the working condition of the actuator 102, such as is controlled
The actuator 102 work, or control the actuator 102 and stop working.
The side on bottom plate 103 far from pipeline outer wall is arranged in the actuator 102, for the control in the control circuit 101
Under system, the slide assemblies 20 is driven to slide along the direction close to the control assembly 10；
The side on the bottom plate 103 close to the pipeline outer wall is arranged in the fixing piece 104, for consolidating the control assembly 10
It is scheduled on pipeline outer wall, which can be magnechuck or magnet sucking disc, and the strong adsorption force of magnechuck can
Guarantee the stability of the joint coating on pipeline heat shrinking sleeve support device.
It in practical applications, can also include lithium battery in the control assembly 10, which is used to be the control circuit
101 power supplies, the lithium battery and the control circuit 101 can be arranged in control box.
In embodiments of the present invention, the actuator 102 in control assembly 10 can be direct current generator or electromagnet；
When the actuator 102 is direct current generator, as shown in Fig. 2, the direct current generator can pass through lead screw 12 and the sliding
Component 20 connects, at this point, control circuit 101 can control the rotation of the direct current generator, when direct current generator rotation, Ke Yitong
Crossing the lead screw 12 drives the slide assemblies 20 to slide along the direction close to the control assembly 10.
When the actuator 102 is electromagnet；The control circuit 101 can control the magnetism of the electromagnet, when control electricity
Road 101 is electromagnet power supply, and when so that the electromagnet generating magnetic, which can pass through the magnetic-adsorption slide assemblies
20, which is slided along the direction close to the control assembly 10.
Optionally, as shown in Fig. 2, the slide assemblies 20 may include:
Slide plate 201, shield 202 and ranging component 203；
The slide plate 201 is connect with the actuator 102, and is slidably connected with the bottom plate 103, which can be in the drive
Under the driving of moving part 102, slided on the bottom plate 103 along the direction close to the control assembly 10.It is exemplary, when the actuator
102 be direct current generator when, which can be connect by lead screw 12 with the direct current generator.Further, bottom plate 103 and the cunning
Ball and slideway can be set between plate 201, friction when to reduce between the slide plate 201 and bottom plate 103 with respect to sliding
Power.
As shown in Fig. 2, the side on the slide plate 201 far from the pipeline outer wall can be set in the shield 202, it is used to support
Heat shrinking sleeve, which can be arcuate structure, and cannot not be coated with viscously paint on the shield 202, to reduce slide assemblies 20
When sliding, with the frictional force between the heat shrinking sleeve.
One end on the slide plate 201 far from the control assembly 10 can be set in the ranging component 203, and is located at the shield
In 202, which is electrically connected with the control assembly 10, for the distance between detecting with heat shrinking sleeve, and when should be away from
When from being less than preset threshold, the trigger signal to work for triggering the actuator 102 is sent to the control assembly 10.
Therefore, the heat shrinking sleeve shrink during, the ranging component can detecte between the heat shrinking sleeve
Distance constantly reduces, and when the distance is less than preset threshold, ranging component can send trigger signal to control assembly, to control
Component triggering driving assembly work processed, so that driving assembly drives slide assemblies to slide to the direction of control assembly, at this point, due to
Slide assemblies drive the ranging component to move together, and ranging component can detecte the increase of the distance between heat shrinking sleeve, when
When the distance is not less than preset threshold, what ranging component can stop working to control assembly transmission for controlling actuator again
Stop trigger signal, stop working so that control assembly controls the actuator, so that slide assemblies stop sliding.Later,
Continue to shrink with heat shrinking sleeve, when ranging component detects that the distance between the heat shrinking sleeve is less than preset threshold again
When, trigger signal can be sent to control assembly again, repeatedly, until the slide assemblies slide out to heat shrinking sleeve.Due to
During heat shrinking sleeve is shunk, which is gradually to slide out to heat shrinking sleeve, therefore can guarantee heat shrinking sleeve
Uniform shrinkage, the surface after avoiding heat shrinking sleeve from shrinking form bubble, ensure that the smooth of heat shrinking sleeve appearance, Jin Eryou
Effect improves the quality of joint coating on pipeline.
Optionally, which can be fibre-optical probe component, as shown in figure 3, the fibre-optical probe component can wrap
Include fibre-optical probe 31, probe mount 32 and probe sleeve 33；
One end on the slide plate far from the control assembly is arranged in the probe mount 32；The probe sleeve 33 is arranged in the spy
On head pedestal 32, which is arranged in the probe sleeve 33；
The fibre-optical probe 31 is directed away from the side of the control assembly, and is acute angle with the angle of pipeline axial direction, thus
Guarantee that the distance between heat shrinking sleeve that the fibre-optical probe detects can effectively reflect the contraction situation of the heat shrinking sleeve.
Optionally, as shown in Fig. 2, the slide assemblies 20 can also include:
Supporting plate 204 and the spring wire 205 being arranged in the supporting plate；The ranging component 203 passes through the spring wire 205 and the control
Circuit 101 processed is electrically connected；
The side on the slide plate 201 far from the pipeline outer wall is arranged in the supporting plate 204, and is located in the shield 202, is used for
Fix the spring wire 205.
Fig. 4 is a kind of signal of the application scenarios of joint coating on pipeline heat shrinking sleeve support device provided in an embodiment of the present invention
Figure can be symmetrical arranged two groups of pipelines along the circumferential direction of pipeline and mend when actually using the joint coating on pipeline heat shrinking sleeve support device
Mouth heat shrinking sleeve support device group, wherein every group of support device group can also include multiple pipelines being axially and symmetrically arranged along pipeline
Repaired mouth heat shrinking sleeve support device.It is exemplary, it is received as shown in figure 4, the circumferential direction of the pipeline is symmetrically arranged with two groups of joint coating on pipeline heat
Contracting set support device group is not shown in another group of Fig. 4 wherein one group is joint coating on pipeline heat shrinking sleeve support device group shown in Fig. 4
It out, include two groups of joint coating on pipeline heat shrinking sleeve support devices 021 and 022, two groups of branch in this group of support device group shown in Fig. 4
Support arrangement 021 and 022 respectively includes two support devices being axially and symmetrically arranged along pipeline, this two axially and symmetrically set along pipeline
The support device set is used to support the two sides of heat shrinking sleeve 01, and the distance between the two groups of support devices for including in every group can
Think 20 centimetres.When operator begins to warm up from the intermediate position of the heat shrinking sleeve 01, so that heat shrinking sleeve 01 is along pipeline
When radial direction starts to shrink, the slide assemblies in two groups of support devices 021 and 022 can be respectively to the side of corresponding control assembly
To sliding, i.e., is slided to the direction far from the heat shrinking sleeve, enable the heat shrinking sleeve uniform shrinkage, guarantee the joint coating on pipeline
Quality.
In conclusion the device includes: control the embodiment of the invention provides a kind of joint coating on pipeline heat shrinking sleeve support device
Component processed and the slide assemblies being slidably connected with the control assembly；The process that the control assembly can be shunk in the heat shrinking sleeve
In, it controls the slide assemblies and is slided along the direction close to the control assembly, until skidding off the heat shrinking sleeve, therefore using the pipe
During road repaired mouth heat shrinking sleeve support device carries out joint coating on pipeline, it is not necessarily to operator's craft plug support device, is improved
The efficiency of repaired mouth, improves the effect of repaired mouth.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of joint coating on pipeline heat shrinking sleeve support device, which is characterized in that described device include: control assembly and with the control
The slide assemblies of component slippage connection processed；
The control assembly and the slide assemblies are arranged on pipeline outer wall；
The slide assemblies are used to support the heat shrinking sleeve between the pipeline outer wall and heat shrinking sleeve；
The control assembly is located at except the region that the heat shrinking sleeve is covered, the process for shrinking in the heat shrinking sleeve
In, it controls the slide assemblies and is slided along the direction close to the control assembly, until the heat shrinking sleeve is skidded off,
The control assembly, comprising:
Control circuit, actuator, bottom plate and fixing piece；
The control circuit is connect with the actuator, for controlling the working condition of the actuator；
The side on the bottom plate far from the pipeline outer wall is arranged in the actuator, for the control in the control circuit
Under, drive the slide assemblies to slide along the direction close to the control assembly；
The side on the bottom plate close to the pipeline outer wall is arranged in the fixing piece, is used for the control assembly and sliding
Component is fixed on the pipeline outer wall,
The actuator is direct current generator；
The control circuit is used to control the rotation of the direct current generator；
The direct current generator is connect by lead screw with the slide assemblies, for passing through institute under the control of the control circuit
Stating lead screw drives the slide assemblies to slide along the direction close to the control assembly.
2. the apparatus according to claim 1, which is characterized in that
The actuator replaces with electromagnet；
The control circuit replaces with the magnetism for controlling the electromagnet；
The electromagnet is used under the control of the control circuit, by slide assemblies described in magnetic-adsorption, so that the cunning
Dynamic component is slided along the direction close to the control assembly.
3. the apparatus according to claim 1, which is characterized in that the slide assemblies, comprising:
Slide plate, shield and ranging component；
The slide plate is connect with the actuator, and is slidably connected with the bottom plate, and the slide plate can be in the actuator
Under driving, slided on the bottom plate along the direction close to the control assembly；
The side on the slide plate far from the pipeline outer wall is arranged in the shield, is used to support the heat shrinking sleeve；
One end on the slide plate far from the control assembly is arranged in the ranging component, and is located in the shield, described
Ranging component is electrically connected with the control assembly, for detecting the distance between described heat shrinking sleeve, and when described apart from small
When preset threshold, Xiang Suoshu control assembly sends the trigger signal for triggering the actuator work.
4. device according to claim 3, which is characterized in that
The ranging component is fibre-optical probe component, and the fibre-optical probe component includes fibre-optical probe, probe mount and probe sheath
Pipe；
One end on the slide plate far from the control assembly is arranged in the probe mount；
The probe sleeve is arranged in the probe mount, and the fibre-optical probe is arranged in the probe sleeve；
The fibre-optical probe is directed away from the side of the control assembly, and is acute angle with the angle of the pipeline axial direction.
5. device according to claim 3, which is characterized in that slide assemblies further include:
Supporting plate and the spring wire being arranged in the supporting plate；
The ranging component is electrically connected to the control circuit by the spring wire；
The side on the slide plate far from the pipeline outer wall is arranged in the supporting plate, and is located in the shield, for fixing
The spring wire.
6. device according to any one of claims 1 to 5, which is characterized in that
The control assembly and the slide assemblies being axially disposed on the pipeline outer wall along the pipeline.
7. device according to any one of claims 1 to 5, which is characterized in that
The fixing piece is magnechuck or magnet sucking disc.
8. according to any device of claim 3 to 5, which is characterized in that
The shield is arcuate structure.
9. device according to claim 8, which is characterized in that
Paint cannot be coated with viscously on the shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111831.5A CN107131388B (en) | 2016-02-29 | 2016-02-29 | Joint coating on pipeline heat shrinking sleeve support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111831.5A CN107131388B (en) | 2016-02-29 | 2016-02-29 | Joint coating on pipeline heat shrinking sleeve support device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107131388A CN107131388A (en) | 2017-09-05 |
| CN107131388B true CN107131388B (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610111831.5A Active CN107131388B (en) | 2016-02-29 | 2016-02-29 | Joint coating on pipeline heat shrinking sleeve support device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107131388B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843321A (en) * | 2019-11-21 | 2020-02-28 | 齐凤河 | Pipeline anticorrosive coating stripping off device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1002017C2 (en) * | 1996-01-03 | 1997-07-07 | Wit J H En Zonen De | Air conditioning pipe clamp with acoustic damping |
| CN201373211Y (en) * | 2008-12-02 | 2009-12-30 | 中国石油天然气股份有限公司 | Pipe joint infrared heating device |
| CN101749519A (en) * | 2008-12-02 | 2010-06-23 | 中国石油天然气股份有限公司 | Axial traveling and pipe diameter adjusting device for infrared heating of coated joints of pipelines |
| CN104062399A (en) * | 2013-03-19 | 2014-09-24 | 中国石油天然气股份有限公司 | Nondestructive testing apparatus for pipeline joint anticorrosive coating |
-
2016
- 2016-02-29 CN CN201610111831.5A patent/CN107131388B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1002017C2 (en) * | 1996-01-03 | 1997-07-07 | Wit J H En Zonen De | Air conditioning pipe clamp with acoustic damping |
| CN201373211Y (en) * | 2008-12-02 | 2009-12-30 | 中国石油天然气股份有限公司 | Pipe joint infrared heating device |
| CN101749519A (en) * | 2008-12-02 | 2010-06-23 | 中国石油天然气股份有限公司 | Axial traveling and pipe diameter adjusting device for infrared heating of coated joints of pipelines |
| CN104062399A (en) * | 2013-03-19 | 2014-09-24 | 中国石油天然气股份有限公司 | Nondestructive testing apparatus for pipeline joint anticorrosive coating |
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|---|---|
| CN107131388A (en) | 2017-09-05 |
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