CN117780267A - Novel aerogel heat insulation oil sleeve - Google Patents
Novel aerogel heat insulation oil sleeve Download PDFInfo
- Publication number
- CN117780267A CN117780267A CN202410209338.1A CN202410209338A CN117780267A CN 117780267 A CN117780267 A CN 117780267A CN 202410209338 A CN202410209338 A CN 202410209338A CN 117780267 A CN117780267 A CN 117780267A
- Authority
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- China
- Prior art keywords
- sleeve
- sealing rubber
- inner sleeve
- sleeve pipe
- interior
- Prior art date
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- 238000009413 insulation Methods 0.000 title claims abstract description 38
- 239000004964 aerogel Substances 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 64
- 230000000670 limiting effect Effects 0.000 claims description 30
- 238000003466 welding Methods 0.000 claims description 23
- 238000001125 extrusion Methods 0.000 claims description 10
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 46
- 230000007246 mechanism Effects 0.000 description 7
- 239000003129 oil well Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The invention provides a novel aerogel heat insulation oil sleeve, which relates to the technical field of heat insulation oil sleeves. The novel heat insulation sleeve comprises an inner sleeve body, an annular groove is formed in the outer side face of the inner sleeve body, an outer sleeve body is sleeved on the outer side face of the inner sleeve body, an aerogel heat insulation layer is sleeved in the annular cavity of the inner sleeve body and the outer sleeve body, threads are arranged at one end of the inner sleeve body, equidistant blind holes in the circumferential direction are formed in one end, far away from the upper threads, of the inner sleeve body, sliding columns are connected in the blind holes of the inner sleeve body in a sliding mode, sealing rubber sleeves are fixedly connected between the sliding columns in the equidistant circumferential direction, and the sealing rubber sleeves are in sliding connection with the inner sleeve body and in sealing fit. The invention utilizes the adjacent inner sleeve to extrude the sealing rubber sleeve, and simultaneously the inclined surface of the inner sleeve extrudes the upper sealing rubber sleeve, thereby improving the tightness between the two heat-insulating oil sleeves and reducing the heat loss at the joint.
Description
Technical Field
The invention relates to the technical field of heat-insulating oil sleeves, in particular to a novel aerogel heat-insulating oil sleeve.
Background
The heat insulation oil sleeve is an oil pipe with heat insulation and heat preservation functions, which is applied when steam is injected to extract thick oil, the heat loss of crude oil in the lifting process can be reduced, the super thick oil extraction efficiency is guaranteed, the existing heat insulation sleeve is divided into an inner pipe and an outer pipe, an aerogel heat insulation layer can be filled between the inner pipe and the outer pipe, the heat of injected steam is preserved through the aerogel heat insulation layer, and heat loss is reduced.
When the existing heat-insulating oil sleeve is connected to a well, the heat-insulating oil sleeve is connected with the thread grooves through threads of different shapes, and the heat-insulating oil sleeve can be connected together, but due to the change of underground temperature, the sealing strength of the threads and the thread grooves between the heat-insulating oil sleeve can be gradually reduced, so that the temperature of the connecting position of the heat-insulating oil sleeve is lost, and even serious underground accidents can be caused.
Disclosure of Invention
In order to overcome the defects of the prior heat insulation oil sleeve in the background technology, the invention provides a novel aerogel heat insulation oil sleeve.
The technical scheme of the invention is as follows: the utility model provides a novel aerogel heat insulation oil sleeve pipe, including the interior sleeve pipe, the interior sleeve pipe's lateral surface is provided with annular recess, interior sleeve pipe's outside cover is equipped with the outer tube, the outer tube with the annular recess cooperation in the interior sleeve pipe outside forms an annular cavity, interior sleeve pipe with the annular cavity endotheca of outer tube is equipped with the aerogel insulating layer, the outside cover of aerogel insulating layer is equipped with equidistant tight hoop that distributes, the tight hoop is used for keeping the aerogel insulating layer with interior sleeve pipe laminating throughout, the both sides of outer tube with interior sleeve pipe's outside is provided with solder joint one and solder joint two respectively, interior sleeve pipe's one end is provided with the screw thread, interior sleeve pipe is kept away from one portion of its upper thread and is provided with the screw thread groove, interior sleeve pipe is kept away from one end of its upper thread and is provided with circumference equidistant blind hole, interior sleeve pipe's blind hole sliding connection has the slip post, circumference equidistant joint has the seal gum cover between the slip post, seal gum cover with interior sleeve pipe sliding connection and seal fit.
As a preferable technical scheme of the invention, the outer side face of the sealing rubber sleeve is provided with an inclined face, one side of the sealing rubber sleeve, which is far away from the inner sleeve, is provided with a shoulder, and the shoulder of the sealing rubber sleeve is used for being in extrusion fit with the end face of the inner sleeve.
As a preferable technical scheme of the invention, one side of the inner sleeve, which is close to the first welding point, is provided with a step surface which is in extrusion fit with a shoulder adjacent to the sealing rubber sleeve, and the length of the thread of the inner sleeve, which is away from the first welding point, is larger than the height of the sealing rubber sleeve.
As a preferable technical scheme of the invention, the welding spot I and the welding spot II are flush with the outer side surface of the outer sleeve, the welding spot I is provided with an inclined surface, and the edge of the welding spot I is flush with the step surface of the inner sleeve.
As a preferable technical scheme of the invention, the contact position of the inner sleeve and the sealing rubber sleeve is set to be an inclined surface, and the inclined surface of the inner sleeve is in extrusion fit with the sealing rubber sleeve for changing the diameter of the sealing rubber sleeve.
As a preferable technical scheme of the invention, the inner wall of the sealing rubber sleeve is arranged to be a plane, the diameter of the inner wall of the sealing rubber sleeve is the same as that of the thread of the inner sleeve, and a groove which is convenient for butt joint is arranged on one side of the sealing rubber sleeve away from the inner sleeve.
As a preferable technical scheme of the invention, the length of the thread groove of the inner sleeve from the end face of the thread groove is larger than the height of the sealing rubber sleeve, and the inner wall of the inner sleeve is provided with a step surface for limiting the sealing rubber sleeve.
As a preferred technical scheme of the invention, the anti-loosening limiting mechanism is arranged on the inner wall of the inner sleeve, the anti-loosening limiting mechanism is used for limiting the inner sleeve, the anti-loosening limiting mechanism comprises a limiting fixed ring, the limiting fixed ring is fixedly connected to the inner wall of the inner sleeve, the limiting fixed ring is rotationally connected with a rotating piece, an annular groove is formed in the inner wall of the inner sleeve, the rotating piece is rotationally matched with the inner sleeve, the rotating piece is matched with the annular groove in the inner wall of the inner sleeve to form an annular cavity, a sliding plate with equal circumferential spacing is connected through the rotating piece in a penetrating mode, the circumferential spacing groove is arranged at the thread of the inner sleeve and is in limiting fit with the adjacent sliding plate, symmetrical tension springs are fixedly connected between one sides of the sliding plate and the rotating piece, which are far away from the sealing rubber sleeve, and are positioned in the annular cavity formed by the inner sleeve and the rotating piece.
As a preferable technical scheme of the invention, the rotating piece is in unidirectional rotation fit with the limiting fixed ring, the rotating direction of the rotating piece is the screwing direction of the inner sleeve thread groove, and friction force exists between the rotating piece and the limiting fixed ring.
As a preferable technical scheme of the invention, the outer side surface of the sliding plate is arc-shaped, the sliding plate contacts and slides with the inner wall of the inner sleeve thread groove, and a ball used for reducing friction force is rotationally connected to one side of the sliding plate, which is close to the sealing rubber sleeve.
The beneficial effects of the invention are as follows: according to the invention, the adjacent inner sleeves are utilized to extrude the sealing rubber sleeve, and meanwhile, the inclined surfaces of the inner sleeves extrude the upper sealing rubber sleeve, so that the tightness between two heat-insulating oil sleeves is improved, and the heat loss at the joint is reduced; the invention utilizes the limit of the sliding plate to the inner sleeve, so that the inner sleeve on the upper side can not reversely rotate, thereby ensuring the connection strength between the adjacent inner sleeves and avoiding the reduction of the tightness and the connection strength between the adjacent heat-insulating oil sleeves when the heat-insulating oil sleeves are put into an oil well.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the inner sleeve and outer sleeve of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
FIG. 4 is a cross-sectional view of the sliding column and the sealant sleeve of the present invention;
FIG. 5 is a cross-sectional view of the inner sleeve and aerogel insulation of the present invention;
FIG. 6 is a cross-sectional view of the stop collar and the rotor of the present invention;
FIG. 7 is a schematic perspective view of the inner sleeve and slide plate of the present invention;
fig. 8 is a side view of the slide plate and tension spring of the present invention.
The reference symbols in the drawings: 1: inner sleeve, 2: outer tube, 3: aerogel insulating layer, 4: tightening, 5: welding spots I and 6: welding spots II and 7: slide column, 8: sealing gum cover, 9: limit groove, 10: limit fixed ring, 11: rotating member, 12: slide plate, 13: and a tension spring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
Example 1: a novel aerogel heat insulation oil sleeve, as shown in figures 1-6, comprises an inner sleeve 1, an annular groove is arranged on the outer side surface of the inner sleeve 1, an outer sleeve 2 is sleeved on the outer side of the inner sleeve 1, the outer sleeve 2 and the annular groove on the outer side of the inner sleeve 1 cooperate to form an annular cavity, an aerogel heat insulation layer 3 is sleeved in the annular cavity of the inner sleeve 1 and the annular cavity of the outer sleeve 2, a radiation layer is wrapped on the outer side of the aerogel heat insulation layer 3 and used for reflecting heat radiation, heat loss is reduced, three hoops 4 distributed at equal intervals are sleeved on the outer side of the aerogel heat insulation layer 3, the hoops 4 are used for keeping the aerogel heat insulation layer 3 and the inner sleeve 1 to be always attached, further, the heat insulation effect on hot steam is improved, welding spots I5 and II 6 are respectively arranged on the two sides of the outer sleeve 2 and the outer side of the inner sleeve 1, the welding spots I5 are positioned on the lower part of the outer sleeve 2, the second 6 is positioned on the upper part of the outer sleeve 2, the lower end of the inner sleeve 1 is provided with threads, the upper part of the inner sleeve 1 is provided with a thread groove, the upper end of the inner sleeve 1 is provided with four blind holes with equal intervals in the circumferential direction, sliding columns 7 are connected in the blind holes of the inner sleeve 1 in a sliding way, the sliding columns 7 are in limit fit with the adjacent blind holes of the inner sleeve 1, a sealing rubber sleeve 8 is fixedly connected between the four sliding columns 7 together, the sealing rubber sleeve 8 is made of high-temperature-resistant soft rubber, the sealing rubber sleeve 8 is in sliding connection and sealing fit with the inner sleeve 1, the outer side surface of the sealing rubber sleeve 8 is provided with an inclined surface, the upper side of the sealing rubber sleeve 8 is provided with a shoulder, the shoulder of the sealing rubber sleeve 8 is used for being in extrusion fit with the end surface of the inner sleeve 1, the lower side of the inner sleeve 1 is provided with a step surface which is adjacent to the shoulder of the sealing rubber sleeve 8, the two inner sleeves 1 are mutually close to each other and can extrude the shoulder of the sealing rubber sleeve 8, thereby increasing the tightness between the two inner sleeves 1, the length of the screw thread of the inner sleeve 1 from the welding spot I5 is larger than the height of the sealing rubber sleeve 8, the sealing rubber sleeve 8 is prevented from encircling the screw thread of the adjacent inner sleeve 1, the welding spot I5 and the welding spot II 6 are flush with the outer side surface of the outer sleeve 2, the welding spot I5 and the welding spot II 6 are prevented from being scratched with the inner wall of an oil well, the welding spot I5 is provided with an inclined surface, the edge of the welding spot I5 is flush with the step surface of the inner sleeve 1, the heat-insulating oil sleeve is convenient to move downwards along the oil well, the contact position of the inner sleeve 1 and the sealing rubber sleeve 8 is set as the inclined surface, the inclined surface of the inner sleeve 1 is matched with the sealing rubber sleeve 8 in an extrusion manner and is used for changing the diameter of the sealing rubber sleeve 8, under the effect of inner sleeve 1 inclined plane, make sealed gum cover 8 shrink to the centre, sealed gum cover 8 inner wall sets up to the plane, be convenient for laminate with adjacent interior sleeve 1, and sealed gum cover 8 inner wall diameter is the same with the diameter of interior sleeve 1 screw thread department, sealed gum cover 8's upside is provided with the groove of being convenient for dock, two interior sleeve 1 dock each other in the time of being convenient for construction, interior sleeve 1's thread groove is greater than sealed gum cover 8's height apart from its length of terminal surface, and interior sleeve 1's inner wall is provided with the step face for carry out spacingly to sealed gum cover 8, after two interior sleeve 1 dock, sealed gum cover 8 can cooperate with the step face of adjacent interior sleeve 1 inner wall, sealed gum cover 8's shoulder is located between two interior sleeve 1 simultaneously.
When the oil well is put into the casing, constructors butt-joint the heat-insulating oil casings with the help of the lifting device, the specific operation steps of the lifting device are not described too much, when the two heat-insulating oil casings are butt-jointed, the heat-insulating oil casings at the lower side are in a fixed state and are positioned at the wellhead of the oil well, the specific fixing mode is not described too much, after the constructors lift the heat-insulating oil casings through the lifting device, the thread positions of the heat-insulating oil casings are positioned at the lower side, and the heat-insulating oil casings at the upper side are inserted into the heat-insulating oil casings at the wellhead through controlling the lifting device.
When the heat insulation oil sleeve moves downwards, the central axes of the upper heat insulation oil sleeve and the lower heat insulation oil sleeve are required to be located on the same straight line, when the threads of the heat insulation oil sleeve are inserted into the sealing rubber sleeve 8 on the heat insulation oil sleeve located at the wellhead, the sealing rubber sleeve 8 is subjected to friction of the threads located at the lower part of the upper side inner sleeve 1, and the sealing rubber sleeve 8 is subjected to friction force, but the resistance force on the downward movement of the sealing rubber sleeve 8 is larger than the downward friction force on the sealing rubber sleeve 8 at the threads of the inner sleeve 1 due to the limiting effect of the inclined surface of the inner sleeve 1, the sealing rubber sleeve 8 does not move downwards along the inner sleeve 1 until the threads located at the lower part of the upper side inner sleeve 1 are in contact with the thread grooves of the inner sleeve 1 at the wellhead, and the step surface located at the lower part of the upper side inner sleeve 1 is in contact fit with the upper side surface of the sealing rubber sleeve 8.
Then constructor screws two adjacent heat insulation oil sleeve pipes through screwing tool, the aforesaid screwing tool is the current equipment in the oil field construction, do not make too much explanation here, through the heat insulation oil sleeve pipe of screwing tool rotation upside, be located upside sleeve pipe 1 rotation, make the screw thread screw in to the screw thread inslot of well head department sleeve pipe 1, be located upside sleeve pipe 1 and can move down and extrude sealed gum cover 8, sealed gum cover 8 moves down along the inner wall of well head department sleeve pipe 1, simultaneously four slip columns 7 move down along the blind hole adjacent of sleeve pipe 1 respectively, at this moment, can shrink towards the middle part when the inclined plane of sleeve pipe 1 and sealed gum cover 8 combined action down, sealed gum cover 8 diameter can gradually reduce and encircle the interior sleeve pipe 1 that is located the upside, sealed gum cover 8 is located upside sleeve pipe 1's step face department at this moment, sealed gum cover 8 seals interior sleeve pipe 1 that is located the upside, the step face of interior sleeve pipe 1 is extrusion down is located well head department sealed gum cover 8 simultaneously, two interior sleeve pipe 1 are close to each other and move, make sealed between two sealed 8 extrusion shoulders 1.
And then repeating the operation, sequentially connecting the heat-insulating oil sleeves and discharging the heat-insulating oil sleeves into an oil well, wherein the aerogel heat-insulating layer 3 in the heat-insulating oil sleeves can block the heat loss of hot steam in the process of exploiting super-thick oil from the oil well, so that the exploitation efficiency of the oil field on the super-thick oil is ensured.
Example 2: on the basis of the embodiment 1, as shown in fig. 6-8, the anti-loosening limiting mechanism is further included, the anti-loosening limiting mechanism is arranged on the inner wall of the inner sleeve 1, the anti-loosening limiting mechanism is used for limiting the inner sleeve 1, the anti-loosening limiting mechanism comprises a limiting fixing ring 10, the limiting fixing ring 10 is fixedly connected to the inner wall of the inner sleeve 1, the limiting fixing ring 10 is rotationally connected with a rotating piece 11, an annular groove is arranged on the inner wall of the inner sleeve 1, the rotating piece 11 is rotationally matched with the inner sleeve 1, the rotating piece 11 is matched with the annular groove on the inner wall of the inner sleeve 1 to form an annular cavity, the rotating piece 11 is in a sealing matched state with the inner sleeve 1, four sliding plates 12 with equal intervals in circumference are connected in a penetrating manner, four limiting grooves 9 with the adjacent sliding plates 12 in a penetrating manner are arranged at the screw thread of the inner sleeve 1, the contact surface of the sliding plate 12 and the limit groove 9 is set as a plane, symmetrical tension springs 13 are fixedly connected between the sliding plate 12 and the lower side of the rotating piece 11, the tension springs 13 are used for driving the adjacent sliding plate 12 to reset, the tension springs 13 are positioned in an annular cavity formed by the inner sleeve 1 and the rotating piece 11, after the limit groove 9 is matched with the adjacent sliding plate 12, the rotating piece 11 rotates along the inner sleeve 1, the tension springs 13 slide along the annular cavity between the rotating piece 11 and the inner sleeve 1, the normal rotation of the rotating piece 11 is not influenced, the rotating piece 11 is in unidirectional rotation fit with the limit fixed ring 10, the rotating direction of the rotating piece 11 is the screwing direction of a thread groove of the inner sleeve 1, when the inner sleeve 1 is screwed downwards, the rotating piece 11 can rotate along the limit fixed ring 10, friction exists between the rotating piece 11 and the limit fixed ring 10, the outer side surface of the sliding plate 12 is set as an arc shape, the sliding plate 12 slides in contact with the inner wall of the thread groove of the inner sleeve 1, the upper side of the sliding plate 12 is rotationally connected with balls for reducing friction force, when the inner sleeve 1 moves downwards, after the lower end of the inner sleeve 1 is contacted with the four sliding plates 12, the sliding plate 12 reduces the friction force with the inner sleeve 1 under the action of the balls, meanwhile, friction force exists between the rotating piece 11 and the limiting fixed ring 10, and the sliding plates 12 and the inner sleeve 1 move relatively.
In the process of connecting the heat insulating oil sleeve, the inner sleeve 1 positioned on the upper side rotates and starts to move downwards, threads of the inner sleeve 1 on the upper side are screwed into thread grooves of the inner sleeve 1 at a wellhead, the bottoms of the inner sleeve 1 on the upper side can downwards extrude four sliding plates 12, the inner sleeve 1 on the upper side downwards moves along the rotating piece 11, due to friction force between the rotating piece 11 and the limiting fixed ring 10, balls are mounted on the top of the sliding plates 12, in the process of screwing in the inner sleeve 1 on the upper side, the rotating piece 11 does not rotate, the tension spring 13 is stretched when the sliding plates 12 downwards move, under the action of the tension spring 13, the four sliding plates 12 upwards slide and reset along the rotating piece 11, the sliding plates 12 upwards slide along the adjacent limiting grooves 9, the inner sleeve 1 downwards rotates along the rotating piece 11 in a synchronous manner, the rotating piece 11 can rotate along the limiting fixed ring 10 through the cooperation of the limiting grooves 9, the sliding plates 12 and the adjacent limiting grooves 9, the sliding plates 12 can be just extruded with the adjacent side surfaces of the inner sleeve 1, the heat insulating oil sleeve 1 is prevented from being extruded between the two opposite sides of the two adjacent side surfaces of the inner sleeve 1, and the heat insulating oil sleeve 1 is prevented from being extruded between the two opposite sides of the two adjacent side surfaces, and the two side surfaces of the inner sleeve 1 are just connected with the adjacent side sleeve 1, and the heat insulating oil sleeve is prevented from being extruded to be extruded between the two side sealing layers, and the two side sealing sleeves can be prevented from being extruded and down, and the sealing oil sleeve is easy.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (10)
1. A novel aerogel heat insulation oil sleeve is characterized in that: including interior sleeve pipe (1), the lateral surface of interior sleeve pipe (1) is provided with annular groove, the outside cover of interior sleeve pipe (1) is equipped with outer tube (2), outer tube (2) with the annular groove cooperation in interior sleeve pipe (1) outside forms an annular cavity, interior sleeve pipe (1) with the annular cavity endotheca of outer tube (2) is equipped with aerogel insulating layer (3), the outside cover of aerogel insulating layer (3) is equipped with equidistant tight hoop (4) of distribution, tight hoop (4) are used for keeping aerogel insulating layer (3) with interior sleeve pipe (1) laminating all the time, the both sides of outer tube (2) with the outside of interior sleeve pipe (1) is provided with solder joint one (5) and solder joint two (6) respectively, the one end of interior sleeve pipe (1) is provided with the screw thread, one portion that its upper thread was kept away from to interior sleeve pipe (1) is provided with the screw thread groove, the one end that its upper thread was kept away from to interior sleeve pipe (1) is provided with equidistant blind hole circumference, interior sliding connection (7) equidistant between sliding column (8) and sealing joint (8) seal gum cover.
2. The novel aerogel thermal insulation oil jacket of claim 1, wherein: the outer side face of the sealing rubber sleeve (8) is provided with an inclined face, one side, away from the inner sleeve (1), of the sealing rubber sleeve (8) is provided with a shoulder, and the shoulder of the sealing rubber sleeve (8) is used for being in extrusion fit with the end face of the inner sleeve (1).
3. The novel aerogel thermal insulation oil jacket of claim 2, wherein: one side of the inner sleeve (1) close to the welding point I (5) is provided with a step surface which is in extrusion fit with a shoulder adjacent to the sealing rubber sleeve (8), and the length of the screw thread of the inner sleeve (1) away from the welding point I (5) is greater than the height of the sealing rubber sleeve (8).
4. The novel aerogel thermal insulation oil jacket of claim 2, wherein: the welding spot I (5) and the welding spot II (6) are flush with the outer side face of the outer sleeve (2), the welding spot I (5) is provided with an inclined face, and the edge of the welding spot I (5) is flush with the step face of the inner sleeve (1).
5. The novel aerogel thermal insulation oil jacket of claim 4, further comprising: the contact position of the inner sleeve (1) and the sealing rubber sleeve (8) is set to be an inclined plane, and the inclined plane of the inner sleeve (1) is in extrusion fit with the sealing rubber sleeve (8) and is used for changing the diameter of the sealing rubber sleeve (8).
6. The novel aerogel thermal insulation oil jacket of claim 5, further comprising: the inner wall of the sealing rubber sleeve (8) is arranged to be a plane, the diameter of the inner wall of the sealing rubber sleeve (8) is the same as that of the thread of the inner sleeve (1), and a groove convenient for butt joint is formed in one side, away from the inner sleeve (1), of the sealing rubber sleeve (8).
7. The novel aerogel thermal insulation oil jacket of claim 6, wherein: the length of the thread groove of the inner sleeve (1) from the end face of the thread groove is larger than the height of the sealing rubber sleeve (8), and a step surface is arranged on the inner wall of the inner sleeve (1) and used for limiting the sealing rubber sleeve (8).
8. The novel aerogel thermal insulation oil jacket of claim 1, wherein: still including locking stop gear, locking stop gear set up in the inner wall of interior sleeve pipe (1), locking stop gear is used for right interior sleeve pipe (1) is spacing, locking stop gear is including spacing fixed ring (10), spacing fixed ring (10) rigid coupling in the inner wall of interior sleeve pipe (1), spacing fixed ring (10) rotate and are connected with rotor (11), the inner wall of interior sleeve pipe (1) is provided with the annular groove, rotor (11) with interior sleeve pipe (1) normal running fit, rotor (11) with the annular groove cooperation of interior sleeve pipe (1) inner wall forms an annular chamber, rotor (11) run-through sliding connection has equidistant sliding plate (12) of circumference, the screw thread department of interior sleeve pipe (1) is provided with equidistant spacing recess (9) of circumference, spacing recess (9) with the spacing cooperation of sliding plate (12), sliding plate (12) with rotor (11) keep away from between one side of sealed gum cover (8) extension spring (13), rotor (13) symmetry in interior sleeve pipe (1) have.
9. The novel aerogel thermal insulation oil jacket of claim 8, further comprising: the rotating piece (11) is in unidirectional rotation fit with the limiting fixed ring (10), the rotating direction of the rotating piece (11) is the screwing direction of the thread groove of the inner sleeve (1), and friction force exists between the rotating piece (11) and the limiting fixed ring (10).
10. The novel aerogel thermal insulation oil jacket of claim 8, further comprising: the outer side face of the sliding plate (12) is arc-shaped, the sliding plate (12) and the inner wall of the thread groove of the inner sleeve (1) are in contact sliding, and one side, close to the sealing rubber sleeve (8), of the sliding plate (12) is rotationally connected with a ball used for reducing friction force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410209338.1A CN117780267B (en) | 2024-02-26 | 2024-02-26 | Novel aerogel heat insulation oil sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410209338.1A CN117780267B (en) | 2024-02-26 | 2024-02-26 | Novel aerogel heat insulation oil sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117780267A true CN117780267A (en) | 2024-03-29 |
| CN117780267B CN117780267B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410209338.1A Active CN117780267B (en) | 2024-02-26 | 2024-02-26 | Novel aerogel heat insulation oil sleeve |
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| CN (1) | CN117780267B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210195679U (en) * | 2019-07-17 | 2020-03-27 | 盐城宝通机械科技有限公司 | Novel petroleum casing coupling |
| CN215408503U (en) * | 2021-07-30 | 2022-01-04 | 山东美生热能科技有限公司 | Direct-connected aerogel heat insulation oil casing |
| CN116065973A (en) * | 2023-04-04 | 2023-05-05 | 胜利油田胜机石油装备有限公司 | Oil sleeve gas seal structure and oil sleeve |
| CN219241849U (en) * | 2023-04-04 | 2023-06-23 | 西安石油大学 | Cylindrical surface sealing structure of expansion sleeve joint |
| CN220504953U (en) * | 2023-08-23 | 2024-02-20 | 胜利油田兴通建设工程有限责任公司 | Anti-corrosion heat-insulation oil pipe |
-
2024
- 2024-02-26 CN CN202410209338.1A patent/CN117780267B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210195679U (en) * | 2019-07-17 | 2020-03-27 | 盐城宝通机械科技有限公司 | Novel petroleum casing coupling |
| CN215408503U (en) * | 2021-07-30 | 2022-01-04 | 山东美生热能科技有限公司 | Direct-connected aerogel heat insulation oil casing |
| CN116065973A (en) * | 2023-04-04 | 2023-05-05 | 胜利油田胜机石油装备有限公司 | Oil sleeve gas seal structure and oil sleeve |
| CN219241849U (en) * | 2023-04-04 | 2023-06-23 | 西安石油大学 | Cylindrical surface sealing structure of expansion sleeve joint |
| CN220504953U (en) * | 2023-08-23 | 2024-02-20 | 胜利油田兴通建设工程有限责任公司 | Anti-corrosion heat-insulation oil pipe |
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| Publication number | Publication date |
|---|---|
| CN117780267B (en) | 2024-04-30 |
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