CN114151633B - Length compensation device for petroleum pipeline combination valve installation and use method thereof - Google Patents
Length compensation device for petroleum pipeline combination valve installation and use method thereof Download PDFInfo
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- CN114151633B CN114151633B CN202111450308.2A CN202111450308A CN114151633B CN 114151633 B CN114151633 B CN 114151633B CN 202111450308 A CN202111450308 A CN 202111450308A CN 114151633 B CN114151633 B CN 114151633B
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- inner sleeve
- sliding
- outer sleeve
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- 239000003208 petroleum Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 34
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 239000011152 fibreglass Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000004964 aerogel Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/12—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement
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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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- 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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
-
- 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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/12—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing
- F16L3/1207—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing the ends of the member and the fixing elements being placed on both sides of the pipe
Abstract
The application discloses a length compensation device for petroleum pipeline combination valve installation and a use method thereof, wherein the length compensation device comprises an outer sleeve, an inner sleeve, a bottom plate, a connecting mechanism, an adjusting mechanism and a supporting mechanism; the connecting mechanism comprises a first flange, a second flange and a third flange, wherein the first flange is fixedly connected to one side of the outer sleeve, the third flange is fixedly connected to one side of the inner sleeve, the second flange is connected to the opposite sides of the first flange and the third flange, second threaded rods are arranged on opposite sides of the first flange and the third flange, the second threaded rods are connected with the second flange, and second positioning nuts are arranged at two ends of the second flange. This application easy operation is convenient for be connected outer tube and interior sleeve pipe and combination valve and pipeline through first flange, second positioning nut, second threaded rod, second flange and third flange, can play sealed effect moreover through the sealing washer, is convenient for carry out length compensation through interior sleeve pipe and outer tube.
Description
Technical Field
The application relates to the field of petroleum, in particular to a length compensation device for mounting a petroleum pipeline combination valve and a using method thereof.
Background
Petroleum refers to gaseous, liquid and solid hydrocarbon mixtures, having natural production. Petroleum is also divided into crude oil, natural gas liquids, natural tar, etc., but "petroleum" is conventionally used as the definition of "crude oil". Petroleum is a viscous, dark brown liquid called "industrial blood". The upper part of the crust has petroleum storage. The main component is a mixture of various alkanes, cycloalkanes and aromatic hydrocarbons. Is one of the main objects of geological exploration.
The petroleum pipeline needs to be used to the combination valve when connecting the use, but often needs to use length compensation arrangement when connecting, and stability is relatively poor when general device is connected, very easily appears the condition of becoming flexible. Therefore, a length compensation device for mounting a petroleum pipeline combination valve and a using method thereof are provided for solving the problems.
Disclosure of Invention
The embodiment provides a length compensation device for mounting a petroleum pipeline combination valve and a use method thereof, which are used for solving the problem of looseness in the prior art.
According to one aspect of the present application, there is provided a length compensation device for petroleum pipeline combination valve installation, comprising an outer sleeve, an inner sleeve, a bottom plate, a connection mechanism, an adjustment mechanism, and a support mechanism;
the connecting mechanism comprises a first flange, a second flange and a third flange, wherein the first flange is fixedly connected to one side of the outer sleeve, the third flange is fixedly connected to one side of the inner sleeve, the second flange is connected to the opposite sides of the first flange and the third flange, second threaded rods are arranged on opposite sides of the first flange and the third flange, the second threaded rods are connected with the second flange, second positioning nuts are arranged at two ends of the second flange, one end of the inner sleeve extends to the inner cavity of the outer sleeve, and a sealing ring is arranged at one end of the inner sleeve.
Further, adjustment mechanism includes support frame and first threaded rod, outer tube surface one end is equipped with the second flange, interior sleeve pipe central authorities are equipped with first flange, be equipped with first threaded rod between first flange and the second flange, first threaded rod both ends run through first flange and second flange respectively, and first threaded rod both ends surface all is equipped with first positioning nut, the outer tube is put up on the support frame surface, support frame bottom rigid coupling bracing piece, the bracing piece is located the bottom plate surface, the bottom plate inner chamber is equipped with the lead screw, the cover of lead screw surface has the sliding sleeve, the bottom plate connection bracing piece is run through on the sliding sleeve top.
Further, supporting mechanism includes protective sheath and movable block, movable groove is seted up to bottom plate one end, and the inside slide bar that is equipped with of movable groove, slide bar surface cover has two movable blocks, two the movable block top runs through the bottom plate and connects the protective sheath, two the protective sheath all overlaps on the sleeve pipe surface including, and interior sleeve pipe is located between second flange and the third flange, two the equal rigid coupling connecting plate in protective sheath top, two the connecting plate passes through bolted connection.
Further, two opposite sides of the second flange are connected with the connecting pipeline, and two sealing rings are arranged on the surface of the inner sleeve.
Further, the bottom end of the inner cavity of the support frame is provided with a base plate, two ends of the support frame are respectively provided with an adjusting screw, and one end of each adjusting screw penetrates through the support frame to be connected with the extrusion pad.
Further, the backing plate and the extrusion pad are of arc structures, and the adjusting screw is rotationally connected with the extrusion pad.
Further, two sliding grooves are formed in the surface of the bottom plate, sliding rails are arranged in the sliding grooves, the surfaces of the sliding rails are connected with sliding blocks in a sliding mode, and the tops of the sliding blocks are fixedly connected with supporting rods.
Further, one end of the screw rod is rotationally connected with the inner wall of the bottom plate, one side of the bottom plate is provided with a knob, and the knob is connected with the other end of the screw rod.
Further, the sliding rod is connected with the moving block in a sliding way, springs are sleeved on the surfaces of the two ends of the sliding rod, and the two ends of the springs are fixedly connected with the moving block and the inner wall of the movable groove respectively.
The method comprises the following steps:
(1) The outer sleeve is arranged on the surface of the support frame, then the adjusting screw is screwed to push the extrusion pad to clamp the outer sleeve, then the inner sleeve is sleeved in the outer sleeve of the inner sleeve socket, when the outer sleeve is installed, the protective sleeve can be moved through the moving block and the sliding rod, and then the inner sleeve can be clamped through the elasticity of the spring;
(2) Two ends of the first threaded rod penetrate through the first convex plate and the second convex plate and then are fixed through two first positioning nuts, so that the inner sleeve and the outer sleeve are conveniently connected, and looseness during connection is avoided;
(3) According to the petroleum pipeline combination valve, length compensation is adjusted, the length of the pipeline compensation is conveniently controlled through the movable outer sleeve and the movable inner sleeve, the petroleum pipeline combination valve is conveniently connected with the pipeline and the petroleum pipeline combination valve, and the petroleum pipeline combination valve is fixed through the first threaded rod and the first positioning nut, so that length compensation is determined;
(4) The screw knob is screwed to drive the screw rod to rotate, then the sliding sleeve on the surface of the screw rod can drive the supporting rod to move, the sliding sleeve can play a role in guiding through the sliding block on the surface of the sliding rail, the position of the supporting frame is convenient to adjust, the supporting frame is convenient to adjust to a proper supporting position, the stability of the outer sleeve and the inner sleeve is ensured, the shaking condition is avoided, and the clamping firmness can be ensured through the extrusion pad and the base plate;
(5) The third flange at one end of the inner sleeve is connected with the second flange through the second threaded rod and the second positioning nut, the first flange at one side of the outer sleeve is connected with the second flange through the second positioning nut and the second threaded rod, the connection with a connecting pipeline is facilitated, and the combination valve can also be conveniently connected.
Through above-mentioned embodiment of this application, adopted coupling mechanism, solved and appeared not hard up problem, obtained and avoided appearing not hard up condition effect.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic perspective view of an embodiment of the present application;
FIG. 2 is a schematic illustration of the connection between an inner sleeve and an outer sleeve according to one embodiment of the present application;
FIG. 3 is a schematic front view of an embodiment of the present application;
FIG. 4 is a schematic left-hand view of an embodiment of the present application;
FIG. 5 is a right side schematic view of an embodiment of the present application;
fig. 6 is a partially enlarged schematic illustration at a of fig. 4 in accordance with an embodiment of the present application.
In the figure: 1. a first flange; 2. a second flange; 3. a seal ring; 4. a first threaded rod; 5. a first positioning nut; 6. a first convex plate; 7. a second positioning nut; 8. a connecting pipe; 9. a second threaded rod; 10. a third flange; 11. a second convex plate; 12. an outer sleeve; 13. an inner sleeve; 14. a support frame; 15. adjusting a screw; 16. a bottom plate; 17. a screw rod; 18. a sliding sleeve; 19. a knob; 20. a connecting plate; 21. a protective sleeve; 22. a support rod; 23. a slide block; 24. a slide rail; 25. a backing plate; 26. a squeeze pad; 27. a spring; 28. a moving block; 29. and a slide bar.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The length compensation device in this embodiment may be applied to various petroleum pipelines, for example, a petroleum pipeline is provided in this embodiment, and the length compensation device in this embodiment may be used to connect the following petroleum pipelines.
The heat-insulating anti-corrosion petroleum pipeline comprises a steel pipe, an anti-corrosion coating, an intermediate layer and a protective layer, wherein the steel pipe, the anti-corrosion coating, the intermediate layer and the protective layer are coaxially sleeved together;
the anti-corrosion coating is coated on the peripheral wall of the steel pipe;
the middle layer comprises an insulating layer, a reinforcing layer and an insulating filler, the insulating layer is made of aerogel felt, the insulating layer is connected to the outer peripheral wall of the anti-corrosion coating, the reinforcing layer is made of steel mesh grids, the steel mesh grids are connected to the outer peripheral wall of the insulating layer, the insulating filler is made of rock wool, and the insulating filler is filled in the steel mesh grids;
the protective layer is connected to the outer peripheral wall of the intermediate layer.
The middle layer further comprises a buffer layer, wherein the buffer layer is foamed polyurethane, and the inner surface of the buffer layer is connected with the outer surface of the heat insulation layer.
The middle layer further comprises a water-proof layer, the water-proof layer is a cement-based waterproof layer, and the inner surface of the water-proof layer is connected to the outer surface of the heat preservation filler.
The middle layer further comprises a compression-resistant layer, the compression-resistant layer is a rubber layer, and the inner surface of the compression-resistant layer is connected to the outer surface of the waterproof layer.
The protective layer comprises a glass fiber reinforced plastic layer and a steel wire layer;
the glass fiber reinforced plastic layer is connected to the outer surface of the compression-resistant layer, and the glass fiber reinforced plastic layer is wrapped on the outer surface of the glass fiber reinforced plastic layer.
The thickness of the glass fiber reinforced plastic layer is 5mm-8mm.
The thickness of the heat preservation layer is 5mm-10mm.
The anticorrosive coating is epoxy primer.
The aerogel blanket has a thermal conductivity of less than 0.03W/(m·k).
The thickness of the anticorrosive coating is 300-500 mu m.
The petroleum pipeline is Chinese utility model patent (application number: CN 214093365U)
Of course, the embodiment can also be used for connecting petroleum pipelines of other structures. The length compensation device of the embodiments of the present application will be described below without further details.
Referring to fig. 1-6, a length compensation device for mounting a petroleum pipeline combination valve comprises an outer sleeve 12, an inner sleeve 13, a bottom plate 16, a connecting mechanism, an adjusting mechanism and a supporting mechanism;
the connecting mechanism comprises a first flange 1, a second flange 2 and a third flange 10, wherein one side of an outer sleeve 12 is fixedly connected with the first flange 1, one side of an inner sleeve 13 is fixedly connected with the third flange 10, one side of the first flange 1 and one side of the third flange 10 opposite to the first flange are respectively connected with the second flange 2, one side of the first flange 1 and one side of the third flange 10 opposite to the first flange are respectively provided with a second threaded rod 9, the two second threaded rods 9 are respectively connected with the second flange 2, two ends of the second flange 2 are respectively provided with a second positioning nut 7, one end of the inner sleeve 13 extends to an inner cavity of the outer sleeve 12, and one end of the inner sleeve 13 is provided with a sealing ring 3.
The adjusting mechanism comprises a supporting frame 14 and a first threaded rod 4, one end of the surface of an outer sleeve 12 is provided with a second convex plate 11, the center of an inner sleeve 13 is provided with a first convex plate 6, a first threaded rod 4 is arranged between the first convex plate 6 and the second convex plate 11, two ends of the first threaded rod 4 respectively penetrate through the first convex plate 6 and the second convex plate 11, the surfaces of two ends of the first threaded rod 4 are respectively provided with a first positioning nut 5, the outer sleeve 12 is arranged on the surface of the supporting frame 14, the bottom of the supporting frame 14 is fixedly connected with a supporting rod 22, the supporting rod 22 is positioned on the surface of a bottom plate 16, a lead screw 17 is arranged in an inner cavity of the bottom plate 16, a sliding sleeve 18 is sleeved on the surface of the lead screw 17, and the top end of the sliding sleeve 18 penetrates through the bottom plate 16 to be connected with the supporting rod 22.
The supporting mechanism comprises a protective sleeve 21 and a moving block 28, a movable groove is formed in one end of the bottom plate 16, a sliding rod 29 is arranged in the movable groove, two moving blocks 28 are sleeved on the surface of the sliding rod 29, the top ends of the two moving blocks 28 penetrate through the bottom plate 16 to be connected with the protective sleeve 21, the two protective sleeves 21 are sleeved on the surface of the inner sleeve 13, the inner sleeve 13 is positioned between the second convex plate 11 and the third flange 10, the tops of the two protective sleeves 21 are fixedly connected with connecting plates 20, and the two connecting plates 20 are connected through bolts.
The opposite sides of the two second flanges 2 are connected with the connecting pipeline 8, and the surface of the inner sleeve 13 is provided with two sealing rings 3.
The bottom of the inner cavity of the supporting frame 14 is provided with a backing plate 25, the two ends of the supporting frame 14 are respectively provided with an adjusting screw 15, and one end of each adjusting screw 15 penetrates through the supporting frame 14 to be connected with the extrusion pad 26.
The base plate 25 and the extrusion pad 26 are arc-shaped structures, and the adjusting screw 15 is rotatably connected with the extrusion pad 26.
Two sliding grooves are formed in the surface of the bottom plate 16, sliding rails 24 are arranged in the sliding grooves, sliding blocks 23 are connected to the surfaces of the sliding rails 24 in a sliding mode, and supporting rods 22 are fixedly connected to the tops of the sliding blocks 23.
One end of the screw rod 17 is rotatably connected with the inner wall of the bottom plate 16, one side of the bottom plate 16 is provided with a knob 19, and the knob 19 is connected with the other end of the screw rod 17.
The sliding rod 29 is connected with the moving block 28 in a sliding way, springs 27 are sleeved on the surfaces of the two ends of the sliding rod 29, and the two ends of the springs 27 are fixedly connected with the moving block 28 and the inner wall of the movable groove respectively.
The method comprises the following steps:
(1) The outer sleeve 12 is put on the surface of the supporting frame 14, then the adjusting screw 15 is screwed to push the extrusion pad 26 to clamp the outer sleeve 12, then the inner sleeve 13 is inserted into the outer sleeve 12, during installation, the protective sleeve 21 can be moved through the moving block 28 and the sliding rod 29, and then the inner sleeve 13 can be clamped through the elasticity of the spring 27;
(2) The two ends of the first threaded rod 4 penetrate through the first convex plate 6 and the second convex plate 11 and then are fixed through the two first positioning nuts 5, so that the inner sleeve 13 and the outer sleeve 12 are conveniently connected, and looseness during connection is avoided;
(3) According to the petroleum pipeline combination valve, the length compensation is adjusted, the length of the pipeline compensation is conveniently controlled through the movable outer sleeve 12 and the movable inner sleeve 13, the petroleum pipeline combination valve is conveniently connected with the pipeline and the petroleum pipeline combination valve, the petroleum pipeline combination valve is fixed through the first threaded rod 4 and the first positioning nut 5, and the length compensation is determined;
(4) The screw rod 17 can be driven to rotate by screwing the knob 19, then the support rod 22 can be driven to move by the sliding sleeve 18 on the surface of the screw rod 17, the sliding sleeve 23 can play a role in guiding together on the surface of the sliding rail 24, the position of the support frame 14 can be conveniently adjusted, the position can be conveniently adjusted to a proper supporting position, the stability of the outer sleeve 12 and the inner sleeve 13 is ensured, the shaking condition is avoided, and the clamping firmness can be ensured through the extrusion pad 26 and the base plate 25;
(5) The third flange 10 at one end of the inner sleeve 13 is connected with the second flange 2 through the second threaded rod 9 and the second positioning nut 7, the first flange 1 and the second flange 2 at one side of the outer sleeve 12 are connected through the second positioning nut 7 and the second threaded rod 9, connection with the connecting pipeline 8 is facilitated, and the combination valve can also be conveniently connected.
The beneficial point of the application lies in:
1. the method is simple to operate, the outer sleeve and the inner sleeve are conveniently connected with the combined valve and the pipeline through the first flange, the second positioning nut, the second threaded rod, the second flange and the third flange, the sealing effect can be achieved through the sealing ring, and the length compensation is conveniently carried out through the inner sleeve and the outer sleeve;
2. the adjustable length compensation device is reasonable in structure, the outer sleeve can be clamped and positioned through the support frame, the adjusting screw and the extrusion pad, and then the outer sleeve and the inner sleeve are convenient to adjust through the knob, the screw rod, the sliding sleeve, the first threaded rod, the first convex plate, the second convex plate and the first positioning nut, so that length compensation is adjusted according to requirements;
3. the utility model discloses a can be with interior sleeve pipe through bracing piece, slider, slide rail, backing plate, protective sheath, movable block, slide bar and spring, can also protect the outer tube, be convenient for keep stable when connecting, avoid appearing becoming flexible.
The related circuits, electronic components and modules are all in the prior art, and can be completely implemented by those skilled in the art, and needless to say, the protection of the present application does not relate to improvements of software and methods.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (2)
1. A length compensation arrangement for installation of petroleum pipeline combination valve, its characterized in that: comprises an outer sleeve (12), an inner sleeve (13), a bottom plate (16), a connecting mechanism, an adjusting mechanism and a supporting mechanism;
the connecting mechanism comprises a first flange (1), a second flange (2) and a third flange (10), wherein one side of an outer sleeve (12) is fixedly connected with the first flange (1), one side of an inner sleeve (13) is fixedly connected with the third flange (10), one opposite side of the first flange (1) and the third flange (10) is respectively connected with the second flange (2), two opposite sides of the first flange (1) and the third flange (10) are respectively provided with two second threaded rods (9), the two second threaded rods (9) are respectively connected with the corresponding second flange (2), two ends of the second flange (2) are respectively provided with a second positioning nut (7), one end of the inner sleeve (13) extends to an inner cavity of the outer sleeve (12), one end of the inner sleeve (13) is provided with a sealing ring (3), the adjusting mechanism comprises a supporting frame (14) and a first threaded rod (4), one end of the surface of the inner sleeve (12) is provided with a second convex plate (11), the center of the inner sleeve (13) is provided with a first convex plate (6), the first convex plate (6) is arranged between the first convex plate (6) and the second convex plate (11) and the first threaded rod (4) is respectively provided with a first threaded rod (4) and two ends of the first threaded rod (4), the outer sleeve (12) is erected on the surface of the supporting frame (14), the supporting rod (22) is fixedly connected to the bottom of the supporting frame (14), the supporting rod (22) is located on the surface of the bottom plate (16), a lead screw (17) is arranged on the inner cavity of the bottom plate (16), a sliding sleeve (18) is sleeved on the surface of the lead screw (17), the top end of the sliding sleeve (18) penetrates through the bottom plate (16) to be connected with the supporting rod (22), the supporting mechanism comprises a protecting sleeve (21) and a moving block (28), a movable groove is formed in one end of the bottom plate (16), a sliding rod (29) is arranged in the inner portion of the movable groove, two moving blocks (28) are sleeved on the surface of the sliding rod (29), the top end of the moving block (28) penetrates through the bottom plate (16) to be connected with the protecting sleeve (21), two protecting sleeves (21) are sleeved on the surface of the inner sleeve (13), the protecting sleeve (21) is located between the first convex plate (6) and the third flange (10), the top of the two protecting sleeves (21) are fixedly connected with a connecting plate (20), the two connecting plates (20) are connected through bolts, the two protecting flanges (2) are connected with one side opposite to the pipeline (8), opposite to the two inner sleeve (13) and the bottom surfaces (13) are provided with sealing rings, and support frame (14) both ends all are equipped with adjusting screw (15), adjusting screw (15) one end runs through support frame (14) and connects extrusion pad (26), backing plate (25) and extrusion pad (26) are arc structure, adjusting screw (15) rotate and connect extrusion pad (26), two spouts are seted up on bottom plate (16) surface, and the inside slide rail (24) that are equipped with of spout, slide rail (24) surface sliding connection slider (23), slider (23) top rigid coupling bracing piece (22), bottom plate (16) inner wall is connected in rotation of lead screw (17) one end, bottom plate (16) one side is equipped with knob (19), knob (19) are connected with the lead screw (17) other end, slide bar (29) sliding connection movable block (28), slide bar (29) both ends surface all overlaps spring (27), rigid coupling movable block (28) and movable groove inner wall are respectively to spring (27) both ends.
2. The method for using the length compensation device for petroleum pipeline combined valve installation according to claim 1, which is characterized in that: the method comprises the following steps:
step (1), an outer sleeve (12) is arranged on the surface of a supporting frame (14), then an adjusting screw (15) is screwed to push a pressing pad (26) to clamp the outer sleeve (12), then an inner sleeve (13) is inserted into the outer sleeve (12), during installation, a protective sleeve (21) can be moved through a moving block (28) and a sliding rod (29), and then the inner sleeve (13) can be clamped through elasticity of a spring (27);
step (2), penetrating the two ends of the first threaded rod (4) through the first convex plate (6) and the second convex plate (11), and fixing through the two first positioning nuts (5), so that the inner sleeve (13) and the outer sleeve (12) are conveniently connected, and loosening during connection is avoided;
step (3), length compensation is adjusted according to the petroleum pipeline combination valve, the length of the pipeline compensation is conveniently controlled through the movable outer sleeve (12) and the movable inner sleeve (13), the petroleum pipeline combination valve is conveniently connected with the pipeline and the petroleum pipeline combination valve, the petroleum pipeline combination valve is fixed through the first threaded rod (4) and the first positioning nut (5), and the length compensation is determined;
step (4), screwing the knob (19) can drive the screw rod (17) to rotate, then the sliding sleeve (18) on the surface of the screw rod (17) can drive the supporting rod (22) to move, the sliding sleeve (23) can play a role in guiding together on the surface of the sliding rail (24), the position of the supporting frame (14) can be conveniently adjusted, the supporting frame can be conveniently adjusted to a proper supporting position, the stability of the outer sleeve (12) and the inner sleeve (13) is ensured, the shaking condition is avoided, and the clamping firmness can be ensured through the extrusion pad (26) and the backing plate (25);
and (5) connecting a third flange (10) at one end of the inner sleeve (13) with the second flange (2) through a second threaded rod (9) and a second positioning nut (7), and connecting the first flange (1) at one side of the outer sleeve (12) with the second flange (2) through the second positioning nut (7) and the second threaded rod (9) so as to facilitate connection with the connecting pipeline (8).
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| CN114151633A (en) | 2022-03-08 |
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