CN207195825U - A kind of buried oil-gas pipeline protection device in Sbusidence Damage area - Google Patents
A kind of buried oil-gas pipeline protection device in Sbusidence Damage area Download PDFInfo
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- CN207195825U CN207195825U CN201720962467.3U CN201720962467U CN207195825U CN 207195825 U CN207195825 U CN 207195825U CN 201720962467 U CN201720962467 U CN 201720962467U CN 207195825 U CN207195825 U CN 207195825U
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- 238000012544 monitoring process Methods 0.000 claims description 22
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- 238000000034 method Methods 0.000 description 27
- 238000005065 mining Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 13
- 239000002689 soil Substances 0.000 description 13
- 239000003245 coal Substances 0.000 description 10
- 238000009434 installation Methods 0.000 description 7
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Abstract
The utility model discloses a kind of buried oil-gas pipeline protection device in Sbusidence Damage area, the device includes flexible oil-gas pipeline, is distributed along the buried pipe trench of Subsidence Area；Multiple telescopic sleeve pipes, the outside of the flexible oil-gas pipeline is set in, is connected between adjacent two telescopic sleeve pipes by pipeline fixed plate, wherein, the flexible oil-gas pipeline inside each telescopic sleeve pipe is distributed in case of bending；Multiple slipping mechanisms, it is fixed on correspondingly in the pipeline fixed plate, the flexible oil-gas pipeline is located in the slipping mechanism successively, and is slidably connected with the slipping mechanism.The utility model realizes the multiple scientific conservation of the buried oil-gas pipeline in Subsidence Area, and drastically increases operating efficiency, reduces pipe protection cost, preferably ensure that the safety of the buried oil-gas pipeline in Sbusidence Damage area.
Description
Technical field
It the utility model is related to the buried oil-gas pipeline protection technique field of land surface subsidence earth's surface, more particularly to a kind of colliery
The buried oil-gas pipeline protection device in Subsidence Area and laying method.
Background technology
Coal is always the main body energy in China for a long time, and the coal resources in China 95% are opened using missile silo work
Adopt, underground coal mine exploitation will cause goaf top covering rockmass inbreak, movement and deformation, when productive area reaches certain limit
Afterwards, minery earth's surface produces depression.Persistently increase with depression is adopted, Surface structure will be deformed and destroyed therewith.In recent years
China increases Energy restructuring, coal as main body resource status will long-term existence, but oil gas and other new energy
Utilization will increase, the buried pipeline coverage rate as oil-gas transportation also increases therewith.China's long distance oil-gas conveying
Buried pipeline has passed through coalfield distributed area, and with the continuous enlargement of Coal Mining Area area, increasing buried pipeline will be by
Adopt depression influence.
Pipe-line is broadly divided into steel pipe and the class of flexible pipe two by material.The buried oil-gas pipeline material one in China mining area
As be steel pipe；Compared to steel pipe, flexible Oil/Gas Pipe has the features such as flexible, easy laying, recyclable, more economical.At present, flexible oil gas
Pipeline is used in marine environment and oil field development, practice have shown that not only can guarantee that oil gas using flexible oil-gas pipeline
The safe transport of resource, engineering construction and operation cost can also be significantly reduced.
In the prior art, to protect the buried pipe-line in mining area, following measures are mainly taken：(1) protection coal is reserved
Post, i.e. Near Pipelines not exploiting colliery；Practice have shown that huge pipeline will be produced when Pipeline Crossing Program coalfield pushes coal amount, sternly
Ghost image rings the sustainable development in mining area, and by taking Shuozhou, shanxi Province ore deposit as an example, the buried pipeline that there is about 10km in the mining area passes through mining area, pressure
Coal amount is up to 1.9 hundred million tons, enough large-scale Modern Pit exploitation 15-20.(2) should by implementing monitoring pipe deforming and pipeline
Power, and according to monitoring result, pipeline is adjusted by the lowering or hoisting gear of complexity；This method complex operation, and require to continue
The monitoring of high intensity, manpower financial capacity's consumption is huge, and larger potential safety hazard be present.(3) suspension apparatus is used, buried pipeline is hanged
Hang, during subsidence, the additional stress that the part soil body is applied to pipeline is undertaken by suspension cable, is filled out again after waiting depression stable
Pipe laying road；This method complex operation and process range is extremely limited, during pipe protection and needs to build suspention structures, passes through
Ji input is big.
Utility model content
The utility model is mainly to solve the technical problem in the presence of prior art, and the utility model provides one kind to burying
Ground oil-gas pipeline does not produce additional stress, low engineering cost and the buried oil-gas pipeline protection in Sbusidence Damage area for simplifying process
Device.
Above-mentioned technical problem of the present utility model is mainly what is be addressed by following technical proposals：
A kind of buried oil-gas pipeline protection device in Sbusidence Damage area, it is characterised in that it mainly includes：Flexible oil gas
Pipeline, multiple telescopic sleeve pipes and multiple slipping mechanisms, wherein：
Described flexible oil-gas pipeline, it is distributed along the buried pipe trench of Subsidence Area；
Described multiple telescopic sleeve pipes, are set in the outside of flexible oil-gas pipeline, between two neighboring telescopic sleeve pipe
It is connected by pipeline fixed plate, wherein, the flexible oil-gas pipeline inside each telescopic sleeve pipe is distributed in case of bending；
Described multiple slipping mechanisms, are fixed in pipeline fixed plate correspondingly, and flexible oil-gas pipeline is worn successively
It is slidably connected in the slipping mechanism, and with slipping mechanism.
Further, the slipping mechanism includes sliding support and multiple steel balls, sliding support pass through fixing bolt
Be fixed in the pipeline fixed plate, multiple steel balls are rolled and are arranged on the inner periphery of sliding support, and with flexible oil gas
The lateral wall of pipeline is engaged.
Further, the telescopic sleeve pipe is connected with pipeline fixed plate by bindiny mechanism, bindiny mechanism's bag
Ring flange, upper sleeve pipe retainer ring, setting of casing retainer ring and connecting bolt are included, the side of ring flange is fixed in pipeline fixed plate,
The opposite side of ring flange is provided with the connection boss to stretch out, and the end of telescopic sleeve pipe is set on boss, and passes through upper set
Pipe retainer ring, setting of casing retainer ring and connecting bolt are mutually locked with boss.
Further, monitoring steel pipe is additionally provided with above the ring flange and connecting sleeve, the lower end for monitoring steel pipe pass through
Connecting sleeve is connected with ring flange, and the upper end for monitoring steel pipe extends and exposes earth's surface to setpoint distance straight up.
Further, also it is connected between two adjacent pipeline fixed plates by spacing steel wire rope.
Further, the pipeline fixed plate is provided with retaining collar, passes through steel after spacing steel wire penetrating retaining collar
Cord cord clip is mutually locked.
Further, finer wire telescopic plastic tube with ribbing built in the telescopic sleeve pipe use is made.
The laying method of the buried oil-gas pipeline protection device in Sbusidence Damage area of the present utility model is：
The first step, the maximum distortion predicted value for calculating the earth's surface along the buried oil-gas pipeline of mining subsidence area planning
According to probability integration process in Sbusidence Damage, (this method is that coal mining damages related code recommendation use side
Method) calculate mining subsidence area planning buried oil-gas pipeline along earth's surface maximum distortion predicted value；
Second step, the elongation and internal diameter for determining telescopic sleeve pipe
It is required that the maximal tensility of telescopic sleeve pipe is the maximum deformation value of earth's surface along laying pipeline in unit length
1.2-1.5 times, and the internal diameter of telescopic sleeve pipe is 3-5 times of flexible oil-gas pipeline external diameter；
3rd step, determine adjacent channel fixed plate spacing and flexible oil-gas pipeline length
Flexible oil-gas pipeline length should meet：The maximum of the flexible oil-gas pipeline penetrated between adjacent channel fixed plate can stretch
Long amount is 1.2 times of soil body maximum distortion predicted value along depression process piping；Pitch requirements between adjacent channel fixed plate
50m can not be more than；
4th step, excavate buried pipe trench
The cutting depth of pipe trench is bigger than telescopic sleeve pipe diameter than duct bottom designed elevation depth 0.5-0.6m, pipe trench width
1.2-1.5m；
5th step, laying first paragraph telescopic sleeve pipe
After excavating good buried pipe trench, ttom of pipe designed elevation first is densified to fine sand soil landfill in underground pipe ditch bottom, according to
Step 1: two and three result of calculation laying first paragraph telescopic sleeve pipe, and ensure that first paragraph telescopic sleeve pipe is placed in underground pipe
The middle position of ditch；
Flexible oil-gas pipeline in 6th step, installation first paragraph telescopic sleeve pipe
Flexible oil-gas pipeline is installed in the first paragraph telescopic sleeve pipe laid.Method detailed is：
Pipeline fixed plate is respectively arranged at the first paragraph telescopic sleeve pipe both ends laid, sliding support is arranged on pipeline
In fixed plate；According to Step 1: bend the length of flexible oil-gas pipeline in two and three this section of telescopic sleeve pipes of calculating, and in flexibility
Mark is carried out on oil-gas pipeline.The first segment flexibility oil-gas pipeline marked is slided from the pipeline of first paragraph telescopic sleeve pipe one end
Penetrated between the steel ball of dynamic bearing, after passing through, the sliding support from first paragraph telescopic sleeve pipe other end pipeline fixed plate
Steel ball between pass, by the first segment flexibility oil-gas pipeline passed respectively from the both ends of the first paragraph telescopic sleeve pipe in
Between compress, make the first segment flexibility oil-gas pipeline of marker field being just placed in first paragraph telescopic sleeve pipe；
7th step, the installation spacing steel wire rope of first paragraph
The spacing steel wire rope of first paragraph is penetrated in the first paragraph telescopic sleeve pipe laid, spacing steel wire rope both ends and first
The pipeline fixed plate connection at section telescopic sleeve pipe both ends；
8th step, be connected first paragraph telescopic sleeve pipe and pipeline fixed plate
First paragraph telescopic sleeve pipe is connected on ring flange by upper and lower two sleeve pipe retainer rings；Pipeline fixed plate passes through company
Connecting bolt is fixed between ring flange；
9th step, installation monitoring steel pipe
Monitoring steel pipe is fixed by welding on connecting sleeve, and connecting sleeve is fixedly connected on ring flange by fixing bolt
On, while ensure that the height that each monitoring steel pipe extends ground surface is about 1~1.2m；
Tenth step, landfill pipeline
Repeat step five lays each segment pipe and pipeline protection device in the mining subsidence zone of influence, most to step 9
After fill buried pipe trench, and ensure fill pipe process in telescopic sleeve pipe pipe week 0.5m in the range of covered with thin sand and soil, fill out
Earth's surface is flattened after buried pipe trench.
The beneficial effects of the utility model are：In earth's surface deformation process, telescopic sleeve pipe can be with pipe week soil deformation
And stretch, the bent flexible pipe road in telescopic sleeve pipe can stretch in sleeve pipe, not produced on flexible oil-gas pipeline from pipe
The additional stress of Zhou Tuti effects, in the laying pipe process that the utility model is related to, has taken into full account adopting along pipeline
Deformation, realizes the multiple scientific conservation of the buried oil-gas pipeline in Subsidence Area, and drastically increases operating efficiency, reduces
Pipe protection cost, preferably ensure that the safety of the buried oil-gas pipeline in Sbusidence Damage area.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the buried oil-gas pipeline protection device in Sbusidence Damage area of the present utility model；
Fig. 2 is the distribution schematic diagram of the buried oil-gas pipeline protection device in Sbusidence Damage area of the present utility model,
Ellipse representation in figure is settlement contour；
Fig. 3 is that the pipe connection portion position of the buried oil-gas pipeline protection device in Sbusidence Damage area of the present utility model is vertical disconnected
Face figure；
Fig. 4 is that the pipe connection portion position of the buried oil-gas pipeline protection device in Sbusidence Damage area of the present utility model is cross-section
Face figure；
Fig. 5 is the method stream of the laying method of the buried oil-gas pipeline protection device in Sbusidence Damage area of the present utility model
Cheng Tu.
In figure：1- flexibility oil-gas pipelines, 2- telescopic sleeve pipes, 3- pipeline fixed plates, 4- slipping mechanisms, 41- sliding supports,
42- steel balls, 43- fixing bolts, 5- bindiny mechanisms, 51- ring flanges, the upper sleeve pipe retainer rings of 52-, 53- setting of casing retainer rings,
54- connecting bolts, 55- boss, 6- connecting sleeves, the spacing steel wire ropes of 7-, 8- retaining collars, 9- steel wire rope cord clips, 10- monitoring steel
Pipe.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
Refering to shown in Fig. 1-4, the buried oil-gas pipeline protection device in Sbusidence Damage area of the present utility model, it includes：
Flexible oil-gas pipeline 1, it is distributed along the buried pipe trench of Subsidence Area；
Multiple telescopic sleeve pipes 2, the outside of flexible oil-gas pipeline 1 is set in, is led between adjacent two telescopic sleeve pipes 2
Piping fixed plate 3 is connected, wherein, the flexible oil-gas pipeline 1 inside each telescopic sleeve pipe 2 is distributed in case of bending；This
Telescopic sleeve pipe 2 in embodiment can use built-in finer wire telescopic plastic tube with ribbing to be made, certainly, in others
Under use occasion, making processing can also be carried out using other materials.
Multiple slipping mechanisms 4, are fixed in pipeline fixed plate 3 correspondingly, and flexible oil-gas pipeline 1 is located in cunning successively
In telephone-moving structure 4, and it is slidably connected with slipping mechanism 4.
In the utility model, telescopic sleeve pipe 2 can be flexible with pipe week soil deformation, can protect its internal flexible oil
Feed channel 1, make not producing the additional stress from pipe Zhou Tuti effects on flexible oil-gas pipeline 1, and when subsidence, can
Telescopic tube 2 is stretched, the increase of spacing between the adjacent two pipelines fixed plate 3 in Subsidence Area, is placed in curved among telescopic sleeve pipe 2
Bent flexible oil-gas pipeline 1 can freely be stretched by slipping mechanism 4, so as to further increase the guarantor to flexible oil-gas pipeline 1
Shield.
Specifically, slipping mechanism 4 includes sliding support 41 and multiple steel balls 42, and sliding support 41 passes through fixing bolt
43 are fixed in pipeline fixed plate 3, and multiple steel balls 42 are rolled and are arranged on the inner periphery of sliding support 41, and and flexible oil
The lateral wall of feed channel 1 is engaged.When subsidence or deformation, sliding support for pipe 41 can pass through steel ball 42 and flexibility
Oil-gas pipeline 1 is relative to be slided, and realizes the protection to flexible oil-gas pipeline 1.
Specifically, telescopic sleeve pipe 2 is connected with pipeline fixed plate 3 by bindiny mechanism 5, and bindiny mechanism 5 includes flange
Disk 51, upper sleeve pipe retainer ring 52, setting of casing retainer ring 53 and connecting bolt 54, the side of ring flange 51 are fixed on pipeline fixed plate
On 3, the opposite side of ring flange 51 is provided with the connection boss 55 to stretch out, and the end of telescopic sleeve pipe 2 is set on boss 55,
And locked by upper sleeve pipe retainer ring 51, setting of casing retainer ring 52 and connecting bolt 54 and the phase of boss 55.In the utility model, lead to
Cross sleeve pipe retainer ring 51, setting of casing retainer ring 52 blocks both sides above and below the end of telescopic sleeve pipe 2 respectively, then utilization connection
The upper sleeve pipe retainer ring 51 of the locking of bolt 54, the two of setting of casing retainer ring 52 coordinate avris, finally realize telescopic sleeve pipe 2 and pipeline
The locking connection of fixed plate 3, it is more convenient that it not only connects simple and reliable but also the later stage repair and replacement.
In the utility model, pipeline fixed plate 3 and telescopic sleeve pipe 2 are fixedly connected using ring flange 51, telescopic sleeve pipe 2
It can ensure that flexible oil-gas pipeline 1 is solid from the soil body depression process middle pipe week native additional stress to flexible oil-gas pipeline 1, pipeline
Fixed board 3 can enable flexible oil-gas pipeline 1 safe normal operation when internal pressure influences with fixing flexible oil-gas pipeline 1, and this is this
The protection device of utility model is protected again to the first of the buried oil-gas pipeline in Subsidence Area.
Preferably, the top of ring flange 51 is additionally provided with monitoring steel pipe 10 and connecting sleeve 6, and the lower end of monitoring steel pipe 10 passes through
Connecting sleeve 6 is connected with ring flange 51, and the upper end of monitoring steel pipe 10 extends and exposes earth's surface to setpoint distance straight up.Its
In, monitor steel pipe 10 and connecting sleeve 6 can use it is relatively simple it is convenient be welded and fixed mode and be attached, it is of course also possible to
Using other suitable connected modes, such as latch or be spirally connected mode.In the present embodiment, the upper end of steel pipe 10 is monitored straight up
The setpoint distance for extending and exposing earth's surface is preferably 1-1.2 rice, and under different use occasions, this setpoint distance can also be carried out
Reasonable adjustment.The effect of monitoring steel pipe 10 in the utility model is：On the one hand can be as the police along earth's surface pipeline
Indicating remember, on the other hand can during subsidence, for monitoring the deformation values of each pipeline fixing point along buried pipeline,
It is accurate to grasp the deformation of buried pipeline, while the generation of burst accident can also be avoided.
In the utility model, the maximum extending amount of every section of flexible oil-gas pipeline 1 for the soil body along depression process piping most
1.2 times of large deformation predicted value, but in order to further improve security, prevent the bending flexible oil in telescopic sleeve pipe 2
The amount of tension of feed channel 1 is more than its maximum extensible length, pipeline additional stress, adjacent two pipeline fixed plates 3 is occurred
Between be also connected by spacing steel wire rope 7.Its specific connected mode is：The center of pipeline fixed plate 3, which is provided with, to be fixed
The collar 8, spacing steel wire rope 7 are locked after passing through retaining collar 8 by the phase of steel wire rope cord clip 9.
As shown in fig.5, laying method of the present utility model, comprises the following steps：
The first step, calculate the maximum distortion predicted value that earth's surface along pipeline is laid in Subsidence Area
Wherein, the algorithm of maximum distortion predicted value is that (this method is coal according to probability integration process in Sbusidence Damage
Ore deposit mining damage correlation code recommend use method) calculate mining subsidence area plan buried oil-gas pipeline along earth's surface most
Large deformation predicted value.Refering to shown in Fig. 1-2, such as：LAB、LBC、LCD、LDEMaximum along segment pipe during mining subsidence
It is respectively Δ to deform predicted valueAB、ΔBC、ΔCD、ΔDE。
Second step, the elongation for testing telescopic sleeve pipe 2
Such as：The L of telescopic sleeve pipe 2AB、LBC、LCD、LDEThe maximum extending amount of segment pipe is respectively lAB、lBC、lCD、lDE,
Can be using the maximal tensility of telescopic sleeve pipe 1 in guarantor unit's length as the 1.2- for laying the maximum deformation value of earth's surface along pipeline
1.5 times, i.e. lAB=1.2-1.5 ΔsAB、lBC=1.2-1.5 ΔsBC、lCD=1.2-1.5 ΔsCD、lDE=1.2-1.5 ΔsDE；It is scalable
The internal diameter of sleeve pipe 2 is about 3-5 times of the flexible external diameter of oil-gas pipeline 1.
3rd step, determine the spacing of adjacent channel fixed plate 3 and the length of flexible oil-gas pipeline 1
In the present embodiment, the maximum extending amount of the flexible oil-gas pipeline 1 penetrated between adjacent channel fixed plate 3 is depression
1.2 times of soil body maximum deformation value along process piping, and it is smaller than 50m between adjacent channel fixed plate 3.
4th step, excavate buried pipe trench
The cutting depth of pipe trench is bigger than telescopic sleeve pipe diameter than duct bottom designed elevation depth 0.5-0.6m, pipe trench width
1.2-1.5m。
5th step：Lay first paragraph telescopic sleeve pipe
After excavating good buried pipe trench, ttom of pipe designed elevation first is densified to fine sand soil landfill in underground pipe ditch bottom, according to
Step 1: two and three result of calculation laying first paragraph telescopic sleeve pipe, and ensure that first paragraph telescopic sleeve pipe is placed in underground pipe
The middle position of ditch.
Flexible oil-gas pipeline in 6th step, installation first paragraph telescopic sleeve pipe
Installed in the first paragraph telescopic sleeve pipe laid
Both ends are respectively arranged pipeline fixed plate 3, and sliding support 41 is arranged in pipeline fixed plate 3.According to Step 1: two
The length of flexible oil-gas pipeline 1 in this section of telescopic sleeve pipe is calculated with three, and mark is carried out on flexible oil-gas pipeline 1.Will mark
The first segment flexibility oil-gas pipeline remembered penetrates between the steel ball 42 of the sliding support of first paragraph telescopic sleeve pipe one end, wears
Later, pass, will pass between the steel ball 42 of the sliding support in the other end pipeline fixed plate of first paragraph telescopic sleeve pipe 2
First segment flexibility oil-gas pipeline respectively from the both ends of the first paragraph telescopic sleeve pipe to intermediate compression, make the first of marker field
Flexible oil-gas pipeline is saved just to be placed in first paragraph telescopic sleeve pipe.
7th step, the installation spacing steel wire rope of first paragraph
Spacing steel wire rope 7 is penetrated in the first paragraph telescopic sleeve pipe laid, the spacing both ends of steel wire rope 7 can with first paragraph
The pipeline fixed plate 3 at telescopic tube both ends connects, and during installation, leads to after the retaining collar 8 of spacing steel wire penetrating pipeline fixed plate 3
Cross the locking of the phase of steel wire rope cord clip 9.
8th step, be connected first paragraph telescopic sleeve pipe and pipeline fixed plate
First paragraph telescopic sleeve pipe is connected on ring flange 51 by upper and lower two sleeve pipe retainer rings 52 and 53；Pipeline is consolidated
Fixed board 3 is fixed between ring flange 51 by connecting bolt 54.
9th step：Installation monitoring steel pipe
Monitoring steel pipe 10 is fixed by welding on connecting sleeve 6, and connecting sleeve 6 is fixedly connected on method by fixing bolt
On blue disk 51, while ensure that the height that each monitoring steel pipe 10 extends ground surface is about 1~1.2m.
Tenth step：Fill pipeline
Repeat step five lays each segment pipe and pipeline protection device in the mining subsidence zone of influence, most to step 9
After fill buried pipe trench, and ensure fill pipe process in telescopic sleeve pipe 2 pipe week 0.5m in the range of covered with thin sand and soil, fill out
Earth's surface is flattened after buried pipe trench.
In the utility model, during described telescopic sleeve pipe 2 can ensure flexible oil-gas pipeline 1 from soil body depression
Influence of the soil to buried Oil/Gas Pipe of pipe week, the bent flexible pipe road 1 in telescopic sleeve pipe 2 can stretch in sleeve pipe, flexible oil
The additional stress from pipe Zhou Tuti effects is not produced in feed channel 1, this is protection device to the buried Oil/Gas Pipe in Subsidence Area
The first of road is protected again.Spacing steel wire rope 7 is connected with adjacent two pipelines fixed plate 3, and the length of spacing steel wire rope 7 is less than adjacent two
The flexible length of oil-gas pipeline 1 is bent between pipeline fixed plate 3, also, flexible oil-gas pipeline 1 is bent between adjacent two pipelines fixed plate 3
Extending amount is more than the elongation between pipeline fixed plate 3 during depression, and therefore, spacing steel wire rope 7 can make flexible Oil/Gas Pipe
The maximal tensility in road 1 is consistently greater than the actual elongation of flexible oil-gas pipeline 1 during depression, and this is guarantor of the present utility model
Protection unit is protected again to the second of the buried oil-gas pipeline in Subsidence Area.Monitoring the one side of steel pipe 10 can be as earth's surface pipeline
Alert flag along the line, on the other hand can be during subsidence, for monitoring each pipeline fixing point along buried pipeline
Deformation values, the accurate deformation for grasping buried pipeline, to avoid the generation of burst accident.This is protection of the present utility model
Triple protection of the device to the buried oil-gas pipeline in Subsidence Area.
In summary, the utility model has the advantage of：
(1) it, can freely stretch when in earth's surface deformation process, bending flexible oil-gas pipeline 1, avoid in telescopic sleeve pipe 2
Influence of the mining subsidence to buried oil-gas pipeline.
(2), pipeline fixed plate 3 and the combination unit of slipping mechanism 4, make the fixed form of flexible oil-gas pipeline 1 cleverer
It is living reliable, and enable flexible oil-gas pipeline 1 safe normal operation when internal pressure influences.
(3), taken into full account and adopted dynamic deformation along pipeline, to the extending of telescopic sleeve pipe 2 and bent flexible pipe road 1
Amount has carried out association setting, realizes the multiple scientific conservation of the buried oil-gas pipeline in Subsidence Area.
(4), safety, economy and simple in construction, greatly improve operating efficiency, reduce pipe protection cost, preferably
It ensure that the safe operation of pipeline.
More than, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited thereto,
Any change or replacement expected without creative work, should all cover within the scope of protection of the utility model.Therefore,
The scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (7)
1. a kind of buried oil-gas pipeline protection device in Sbusidence Damage area, it is characterised in that it mainly includes：Flexible Oil/Gas Pipe
Road, multiple telescopic sleeve pipes and multiple slipping mechanisms, wherein：
Described flexible oil-gas pipeline, it is distributed along the buried pipe trench of Subsidence Area；
Described multiple telescopic sleeve pipes, the outside of flexible oil-gas pipeline is set in, is passed through between two neighboring telescopic sleeve pipe
Pipeline fixed plate is connected, wherein, the flexible oil-gas pipeline inside each telescopic sleeve pipe is distributed in case of bending；
Described multiple slipping mechanisms, are fixed in pipeline fixed plate correspondingly, and flexible oil-gas pipeline is located in institute successively
State in slipping mechanism, and be slidably connected with slipping mechanism.
2. the buried oil-gas pipeline protection device in Sbusidence Damage area as claimed in claim 1, it is characterised in that the sliding
Mechanism includes sliding support and multiple steel balls, and sliding support is fixed in the pipeline fixed plate by fixing bolt, more
Individual steel ball is rolled and is arranged on the inner periphery of sliding support, and is engaged with the lateral wall of flexible oil-gas pipeline.
3. the buried oil-gas pipeline protection device in Sbusidence Damage area as claimed in claim 1, it is characterised in that described to stretch
Heat-Shrinkable Tubings are connected with pipeline fixed plate by bindiny mechanism, and the bindiny mechanism includes ring flange, upper sleeve pipe retainer ring, trapped
Pipe retainer ring and connecting bolt, the side of ring flange are fixed in pipeline fixed plate, and the opposite side of ring flange, which is provided with, to stretch out
Connection boss, the end of telescopic sleeve pipe is set on boss, and passes through upper sleeve pipe retainer ring, setting of casing retainer ring and connection
Bolt is mutually locked with boss.
4. the buried oil-gas pipeline protection device in Sbusidence Damage area as claimed in claim 3, it is characterised in that the flange
Monitoring steel pipe is additionally provided with above disk and connecting sleeve, the lower end for monitoring steel pipe are connected by connecting sleeve with ring flange, is supervised
The upper end for surveying steel pipe extends and exposes earth's surface to setpoint distance straight up.
5. the buried oil-gas pipeline protection device in Sbusidence Damage area as claimed in claim 1, it is characterised in that adjacent two
Also it is connected between individual pipeline fixed plate by spacing steel wire rope.
6. the buried oil-gas pipeline protection device in Sbusidence Damage area as claimed in claim 1, it is characterised in that the pipeline
Fixed plate is provided with retaining collar, is mutually locked by steel wire rope cord clip after spacing steel wire penetrating retaining collar.
7. the buried oil-gas pipeline protection device in Sbusidence Damage area as claimed in claim 1, it is characterised in that described to stretch
Finer wire telescopic plastic tube with ribbing built in Heat-Shrinkable Tubings use is made.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720379113 | 2017-04-12 | ||
| CN2017203791136 | 2017-04-12 |
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| Publication Number | Publication Date |
|---|---|
| CN207195825U true CN207195825U (en) | 2018-04-06 |
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| CN201720962467.3U Expired - Fee Related CN207195825U (en) | 2017-04-12 | 2017-08-03 | A kind of buried oil-gas pipeline protection device in Sbusidence Damage area |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106939948A (en) * | 2017-04-12 | 2017-07-11 | 河南理工大学 | A kind of buried oil-gas pipeline protection device in Sbusidence Damage area and laying method |
| CN111878628A (en) * | 2020-07-28 | 2020-11-03 | 浙江海洋大学 | Offshore oil gas submarine pipeline protection device |
| CN113154130A (en) * | 2021-05-18 | 2021-07-23 | 广东峻佳建设有限公司 | Municipal sewage pipeline laying protection supporting device and protection method |
-
2017
- 2017-08-03 CN CN201720962467.3U patent/CN207195825U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106939948A (en) * | 2017-04-12 | 2017-07-11 | 河南理工大学 | A kind of buried oil-gas pipeline protection device in Sbusidence Damage area and laying method |
| CN106939948B (en) * | 2017-04-12 | 2022-06-28 | 河南理工大学 | Coal mining subsidence area buried oil and gas pipeline protection device and laying method |
| CN111878628A (en) * | 2020-07-28 | 2020-11-03 | 浙江海洋大学 | Offshore oil gas submarine pipeline protection device |
| CN113154130A (en) * | 2021-05-18 | 2021-07-23 | 广东峻佳建设有限公司 | Municipal sewage pipeline laying protection supporting device and protection method |
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