CN202065683U - Lossless stress and strain monitoring device for existing long-distance oil and gas pipelines - Google Patents
Lossless stress and strain monitoring device for existing long-distance oil and gas pipelines Download PDFInfo
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- CN202065683U CN202065683U CN2011201810826U CN201120181082U CN202065683U CN 202065683 U CN202065683 U CN 202065683U CN 2011201810826 U CN2011201810826 U CN 2011201810826U CN 201120181082 U CN201120181082 U CN 201120181082U CN 202065683 U CN202065683 U CN 202065683U
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Abstract
The utility model provides a lossless stress and strain monitoring device for existing long-distance oil and gas pipelines. The lossless stress and strain monitoring device is characterized by comprising a data acquisition instrument which is arranged aboveground, and a strain sensing assembly which is adhered onto the surface of an underground pipeline. The lossless stress and strain monitoring device can safely and precisely acquire stress and strain data of the pipeline for a long time under the conditions that fired welding is not required and the stable states of the pipeline and soil are not changed; the installing and data-acquiring processes of the lossless stress and strain monitoring device can completely and strictly meet related requirements of safety standards for the existing pipelines.
Description
Technical field
The utility model belongs in the long oil and gas pipeline ess-strain monitoring of labour field, and is particularly a kind of at the long oil and gas pipeline ess-strain nondestructive monitoring device of labour.
Background technique
Obtaining the pipe stress strain data needs data sensor, data capture transmission and data to resolve three steps, wherein keeps somewhere in the data sensor and the data capture transmission facilities at scene to be also referred to as " pipe stress strain monitoring device ".Generally belong to middle height, pressure pipe road at the long oil and gas pipeline of labour, and fed sheet of a media is all inflammable and explosive dangerous goods, very responsive to the geologic agent and the artificial perturbation of tube circumference, therefore to the pipe surface strict control of implementation of breaking ground of getting angry; For satisfying the needs of long term monitoring, monitoring device must possess enough bond strengths again simultaneously, in order to avoid peel off because of the land movement of pipe table.Present monitoring device all is difficult to satisfy above-mentioned requirements.
For example: all devices all need sensor is installed on the body surface.Conventional device is generally following two kinds: the one, need be welded on the body surface, and firm, good reliability are installed; The 2nd, adopt " cyanoacrylate (502) " adhesive, install convenient, operation is simple.The former is for in-service pipeline, and the oil gas material of carrying in the pipe all belongs to inflammable explosive article, and cross section pressure is generally all in hundreds of MPas, and because of operation and corrosion-resistant require at the pipe table static distribution is arranged, welding dangerous self-evident; Latter's poor stability, the time can lose original Joint strength about half a year, causes whole device to lose monitoring effectiveness because of obtaining data, can't in time grasp the distortion situation that pipeline causes because of external causes such as geological disasters.
Summary of the invention
The utility model purpose is for providing a kind of at the long oil and gas pipeline ess-strain nondestructive monitoring device of labour, this device can be in the welding of not getting angry, do not change under the condition of pipe-soil stabilization state, obtain the stress-strain data of pipeline safely, accurately, chronically, its installation and data acquisition satisfy the related request of strict in-service pipeline safety standard fully.
The technical solution of the utility model is as follows:
A kind of at the long oil and gas pipeline ess-strain nondestructive monitoring device of labour, the strain sensing assembly that comprises the data collecting instrument of being located at the face of land and be adhered to the pipe surface under the face of land, can be in the pipeline installation that not need not to get angry under the state of stopping transportation, simultaneously do not change original pipe-soil stabilization state, and around the isolated fully pipeline ground body to the disturbance of Monitoring Data.
Described strain sensing assembly bottom is provided with mounting blocks, described mounting blocks is bonding by adhesive sheet and pipe surface, described adhesive sheet comprises the ethyl cyano group acrylate adhesive layer that rubber is strengthened from the inside to the outside, solid-state reaction type epoxy adhesive layer and liquid reaction type epoxy adhesive layer, described mounting blocks bottom is bonding with the ethyl cyano group acrylate adhesive layer that rubber is strengthened, described solid-state reaction type epoxy adhesive layer is coated on around the ethyl cyano group acrylate adhesive layer of mounting blocks and rubber reinforcement, described liquid reaction type epoxy adhesive layer is coated on around the solid-state reaction type epoxy adhesive layer, forms and is followed successively by the ethyl cyano group acrylate adhesive that rubber is strengthened from the inside to the outside, solid-state reaction type epoxy adhesive, the adhesive surface of liquid reaction type epoxy adhesive.
Described strain sensing assembly periphery is coated with every the power shuttle, described is an arch cover body every the power shuttle, described arch cover body both sides have fixedly flank, described arch cover body is provided with cable openings for one section, be enough to the extruding of the ground body of isolated sensor cluster periphery every power shuttle institute tool rigidity, its comparatively smooth-going external shape can satisfy the antiseptic requirement of pipeline self.
The data collecting instrument on the described face of land is fixed in the cable well of the face of land, and described data collecting instrument is provided with wireless transport module,
Technique effect of the present utility model is:
Can satisfy the strictest, at the long oil and gas pipeline of the labour ess-strain monitoring device of control of breaking ground of getting angry, and simple to operate, safe, quick, good reliability, its key technology is for a long time, stably obtains in the body ess-strain Monitoring Data, the running environment of not disturbance in-service pipeline, this composite set can effectively reduce the size of test pit excavation, and do not increase near the face of land load the pipeline substantially, thereby keep the pipe-soil stabilization state of pipeline before this device is installed.
Description of drawings
Fig. 1 is described in the utility model at the long oil and gas pipeline ess-strain nondestructive monitoring device organigram of labour.
Fig. 2 is strain sensing assembly described in the utility model and pipe bonding structural representation.
Fig. 3 is an isolation shuttle organigram described in the utility model.
Fig. 4 is a face of land described in the utility model cable well mounting construction schematic representation.
Fig. 5 is the utility model sensory package and adhesive sheet organigram.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 1, a kind of at the long oil and gas pipeline ess-strain nondestructive monitoring device of labour, the strain sensing assembly 3 that comprises the data collecting instrument 1 of being located at the face of land and be adhered to pipeline 2 surfaces under the face of land.Strain sensing assembly and the split type layout of data capture transmission assembly.The strain sensing assembly places underground body surface, and data collecting instrument places the face of land apart from 2～3 meters of bodys.This device does not need long distance excavation pipe trench, but directly excavation minor diameter test pit is to body downwards by the face of land, and the work surface of breaking ground is little, thereby avoids the disturbance to pipe-soil stabilization to greatest extent; Also avoided of the influence of body surface charge in addition to collection and transmission assembly.
As Fig. 2, shown in Figure 3, described strain sensing assembly bottom is provided with mounting blocks 4, described mounting blocks 4 is by adhesive sheet 5 and pipeline 2 surface adhesion, described adhesive sheet 5 comprises the ethyl cyano group acrylate adhesive layer 6 that rubber is strengthened from the inside to the outside, solid-state reaction type epoxy adhesive layer 7 and liquid reaction type epoxy adhesive layer 8, the ethyl cyano group acrylate adhesive layer 6 that described mounting blocks 4 bottoms and rubber are strengthened is bonding, described solid-state reaction type epoxy adhesive layer 7 is coated on around the mounting blocks 4, and described liquid reaction type epoxy adhesive layer 8 is coated on around the solid-state reaction type epoxy adhesive layer 7.Described strain sensing assembly 3 peripheries are coated with every power shuttle 9, and described is an arch cover body every power shuttle 9, and described arch cover body both sides have fixedly flank 10, and described arch cover body is provided with cable openings 11 for one section.
In long-acting bonding mode the strain sensing assembly is installed in the body surface by adhesive sheet.Be the get angry needs of control and long term monitoring of adaptation, ethyl cyano group acrylate adhesive, solid-state reaction type epoxy adhesive, liquid reaction type epoxy adhesive that this device adopts rubber to strengthen after installing adhesive sheet additional, brute force is adhered to the body metal surface.This device of evidence has high bond strength, and water-tolerant.
Test data: soak time 168 hours.The aerial mean value of maximum pull is to be 62.7 kilograms in 58.1 kilograms, water, all is higher than the requirement of strength of 40kg,
For guaranteeing to obtain the Monitoring Data of pipeline body, the one, must open anticorrosive coat when sensor is installed and after installing, recovered, to eliminate of the harmful effect of body surface anticorrosion layer data; The 2nd, cover " every the power shuttle " on the sensor with the stress conduction of ground body around the isolated pipeline to sensor.
Dwindle the size of sensor in the strain sensing assembly, to adapt to the requirement of pipeline corrosion protection.After original sensor is installed in pipe surface, because of the oversize obviously projection that forms; When the ground body of tube circumference is subjected to displacement, often causes the sensor installation position anticorrosive coat part to occur and peel off by the passing sensor.This device with original sensor length dwindle 65%, reduced width 50%, reduced height 40%, at use viscoelastic body anti-corrosion material with after the power shuttle, the sensor installation position forms level and smooth, docile and obedient effect along pipe surface, can use common thermal shrinkable sleeve to recover the antiseptic property on body top layer easily.
As shown in Figure 4, the data collecting instrument 1 on the described face of land is fixed in the face of land cable well 12, and described data collecting instrument 1 is provided with wireless transport module.Wireless transport module is built in the data capture instrument also reinforces in the cable well of the face of land, to realize wireless telemetering.Need carry out the pipeline section of ess-strain monitoring, all be geological disaster comparatively serious " high consequence district " generally, and physical environment is comparatively abominable, and the personnel of patrolling are difficult to the regular scene of arriving at.This device adopts the wireless telemetering mode, can long-rangely obtain Monitoring Data, realizes unmanned, has also avoided human error simultaneously.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
- One kind labour long oil and gas pipeline ess-strain nondestructive monitoring device, it is characterized in that: the strain sensing assembly that comprises the data collecting instrument of being located at the face of land and be adhered to the pipe surface under the face of land.
- 2. according to claim 1 at the long oil and gas pipeline ess-strain nondestructive monitoring device of labour, it is characterized in that: described strain sensing assembly bottom is provided with mounting blocks, described mounting blocks is bonding by adhesive sheet and pipe surface, described adhesive sheet comprises the ethyl cyano group acrylate adhesive layer that rubber is strengthened from the inside to the outside, solid-state reaction type epoxy adhesive layer and liquid reaction type epoxy adhesive layer, described mounting blocks bottom is bonding with the ethyl cyano group acrylate adhesive layer that rubber is strengthened, described solid-state reaction type epoxy adhesive layer is coated on around the ethyl cyano group acrylate adhesive layer of mounting blocks and rubber reinforcement, described liquid reaction type epoxy adhesive layer is coated on around the solid-state reaction type epoxy adhesive layer, forms and is followed successively by the ethyl cyano group acrylate adhesive that rubber is strengthened from the inside to the outside, solid-state reaction type epoxy adhesive, the adhesive surface of liquid reaction type epoxy adhesive.
- 3. according to claim 1 at the long oil and gas pipeline ess-strain nondestructive monitoring device of labour, it is characterized in that: described strain sensing assembly periphery is coated with every the power shuttle, described is an arch cover body every the power shuttle, described arch cover body both sides have fixedly flank, and described arch cover body is provided with cable openings for one section.
- 4. according to claim 1 at the long oil and gas pipeline ess-strain nondestructive monitoring device of labour, it is characterized in that: the data collecting instrument on the described face of land is fixed in the cable well of the face of land, and described data collecting instrument is provided with wireless transport module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201810826U CN202065683U (en) | 2011-05-31 | 2011-05-31 | Lossless stress and strain monitoring device for existing long-distance oil and gas pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201810826U CN202065683U (en) | 2011-05-31 | 2011-05-31 | Lossless stress and strain monitoring device for existing long-distance oil and gas pipelines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202065683U true CN202065683U (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201810826U Expired - Lifetime CN202065683U (en) | 2011-05-31 | 2011-05-31 | Lossless stress and strain monitoring device for existing long-distance oil and gas pipelines |
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| Country | Link |
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| CN (1) | CN202065683U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297458A (en) * | 2018-12-03 | 2019-02-01 | 中国安全生产科学研究院 | Oil-gas pipeline ess-strain monitoring device |
| CN109469832A (en) * | 2018-09-29 | 2019-03-15 | 北京科力华安地质灾害监测技术有限公司 | The strain monitoring device of in-service long-distance oil & gas pipeline boxing seam defect |
-
2011
- 2011-05-31 CN CN2011201810826U patent/CN202065683U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469832A (en) * | 2018-09-29 | 2019-03-15 | 北京科力华安地质灾害监测技术有限公司 | The strain monitoring device of in-service long-distance oil & gas pipeline boxing seam defect |
| CN109297458A (en) * | 2018-12-03 | 2019-02-01 | 中国安全生产科学研究院 | Oil-gas pipeline ess-strain monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Lossless stress and strain monitoring device for existing long-distance oil and gas pipelines Effective date of registration: 20181019 Granted publication date: 20111207 Pledgee: Beijing good faith financing Company limited by guarantee Pledgor: Ke Li Huaan, Beijing monitoring technology for geological hazards company limited Registration number: 2018990000982 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200922 Granted publication date: 20111207 Pledgee: Beijing good faith financing Company limited by guarantee Pledgor: BEIJING KELI HUA'AN GEOLOGICAL DISASTER MONITORING TECHNOLOGY Co.,Ltd. Registration number: 2018990000982 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |