CN117922045A - Automatic winding and sleeving equipment for heat-insulating oil sleeve - Google Patents
Automatic winding and sleeving equipment for heat-insulating oil sleeve Download PDFInfo
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- CN117922045A CN117922045A CN202410331151.9A CN202410331151A CN117922045A CN 117922045 A CN117922045 A CN 117922045A CN 202410331151 A CN202410331151 A CN 202410331151A CN 117922045 A CN117922045 A CN 117922045A
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- 238000004804 winding Methods 0.000 title claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 44
- 238000009413 insulation Methods 0.000 claims description 39
- 239000002131 composite material Substances 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000001141 propulsive effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention belongs to the technical field of production and processing of heat-insulating oil sleeves, in particular to automatic winding and sleeving equipment of heat-insulating oil sleeves, which comprises a processing table, a heat-insulating pipe inner pipe arranged on the surface of the processing table and a heat-insulating pipe outer pipe arranged on one side of the heat-insulating pipe inner pipe; through setting up automatic winding mechanism and cooperation chain drive mechanism and positioning mechanism, make chain drive mechanism propulsive in-process with the locating piece butt in thermal-insulated intraductal, and start servo motor on the automatic winding mechanism, drive the belt pulley through the belt and rotate, establish thermal-insulated combined material cover on the combined material support, thermal-insulated intraductal removal, pass from the position of belt pulley, start automatic winding mechanism, evenly twine thermal-insulated combined material at the surface of thermal-insulated intraductal pipe, and then impel thermal-insulated intraductal pipe, carry out the suit operation, adopt automatic winding, degree of automation improves, and can alone operate, improve operation production efficiency, and convenient operation, swiftly, safety.
Description
Technical Field
The invention belongs to the technical field of production and processing of heat-insulating oil sleeves, and particularly relates to automatic winding and sleeving equipment for heat-insulating oil sleeves.
Background
In the thick oil thermal recovery process, in order to reduce heat loss to the minimum, a heat insulation pipe is generally adopted, the heat insulation pipe is formed by welding an inner pipe and an outer pipe to form a double-layer concentric pipe, heat insulation materials are filled in annular spaces of the two layers, and vacuumizing treatment is carried out between the heat insulation layers. The suit is an important step in the manufacturing process of the heat insulating pipe.
The existing sleeving mode adopts a front pulling mode, a winch drives a steel wire rope and a puller, the puller is clamped at the end part of an inner tube of the heat insulation tube, and the puller is pulled to complete sleeving. The puller is a fragile tool, is easy to pop up after being worn, has a certain potential safety hazard, and is completely wound manually in the winding mode of the conventional heat insulation pipe, so that the degree of automation is low.
In order to solve the problems, the application provides automatic winding and sleeving equipment for a heat-insulating oil sleeve.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides automatic winding and sleeving equipment for a heat-insulating oil sleeve, which has the characteristics of improving the automation degree, saving manual labor, being capable of being completed by only one person, being convenient, quick and safe to operate and improving the production operation efficiency.
In order to achieve the above purpose, the present invention provides the following technical solutions: an automatic winding and sleeving device for a heat-insulating oil sleeve comprises a processing table, a heat-insulating pipe inner pipe arranged on the surface of the processing table and a heat-insulating pipe outer pipe arranged on one side of the heat-insulating pipe inner pipe;
a chain transmission mechanism, a positioning mechanism arranged on the surface of the chain transmission mechanism and an automatic winding mechanism arranged on one side of the chain transmission mechanism are arranged below the inner tube of the heat insulation tube;
The chain transmission mechanism comprises an installation seat, a driving gear and a transmission chain, wherein two groups of installation seats are fixedly installed on the surface of the processing table through bolts, the driving gears are rotatably installed on the surface of the installation seat, the transmission chain is connected between the two driving gears in a meshed manner, and the inner pipe of the heat insulation pipe is arranged between the two transmission chains;
The positioning mechanism comprises a positioning block, and the positioning block is arranged at one end of the inner pipe of the heat insulation pipe, which is positioned on the surface of the chain transmission mechanism;
The automatic winding mechanism comprises a fixed support, a bearing support, a belt pulley, a composite support and a heat-insulating composite material, wherein the fixed support is welded at one side of a belt by the chain transmission mechanism, the bearing support is installed in a lantern ring installed on the fixed support, one side surface of the bearing support is provided with the belt pulley, one side surface of the belt pulley, which is far away from the bearing support, is provided with the composite support, the surface of the composite support is sheathed with the heat-insulating composite material, one end of an inner pipe of the heat-insulating pipe sequentially penetrates through the bearing support and the belt pulley and extends to one side of the belt pulley, and the heat-insulating composite material winds the surface of the inner pipe of the heat-insulating pipe.
As the automatic winding and sleeving equipment for the heat-insulating oil sleeve, the automatic winding and sleeving equipment is preferable, a driving motor is arranged on the bottom surface of the fixed support, and the belt pulley is rotatably connected with a transmission shaft of the driving motor through a transmission belt.
As the automatic winding and sleeving equipment for the heat-insulating oil sleeve, the automatic winding and sleeving equipment is preferable, one end of the composite material support is provided with a thread groove, and the composite material support is in threaded connection with a limit nut through the thread groove formed in the surface.
As the automatic winding and sleeving equipment for the heat-insulating oil sleeve, the automatic winding and sleeving equipment is preferable, a gear motor is arranged on the outer side surface of the driving gear, an output shaft of the gear motor is connected with the driving gear, and the gear motor is arranged on the surface of the mounting seat.
As the automatic winding and sleeving equipment for the heat-insulating oil sleeve, the automatic winding and sleeving equipment is preferable, wherein the surface of one transmission chain is provided with a mounting block, the surface of the mounting block is provided with an elongated push rod, and the elongated push rod is connected with the positioning block.
As the automatic winding and sleeving equipment for the heat-insulating oil sleeve, the heat-insulating oil sleeve is preferable, the positioning block consists of two parts, and the surfaces of the positioning block are all in a bevel-shaped structure.
As the automatic winding and sleeving equipment for the heat-insulating oil sleeve, the surface of the lengthened push rod is symmetrically provided with the fixed blocks, the surfaces of the two positioning blocks are respectively provided with the sliding blocks, the surfaces of the fixed blocks are provided with the limiting grooves matched with the sliding blocks, the positioning blocks slide in the fixed blocks through the sliding blocks and the limiting grooves, the middle positions of the two positioning blocks are provided with the tension springs, and the positioning blocks are abutted against the inner wall of the inner pipe of the heat-insulating pipe.
As the automatic winding and sleeving equipment for the heat-insulating oil sleeve, the sliding block is preferably arranged in a convex structure.
Compared with the prior art, the invention has the beneficial effects that:
Through setting up automatic winding mechanism and cooperation chain drive mechanism and positioning mechanism, drive gear through starting gear motor and rotate during the operation, and then drive chain and remove, and cooperation positioning mechanism, place the heat-proof pipe inner tube before two drive chains, install the one end at the extension push rod with the locating piece, in the chain drive mechanism propulsive in-process with the locating piece butt in the heat-proof pipe inner tube, and start the servo motor on the automatic winding mechanism, drive the belt pulley through the belt and rotate, make the bearing bracket rotate in the fixed bolster, and install the combined material support on the belt pulley and overlap heat-proof combined material on its surface, chain drive mechanism promotes the heat-proof pipe inner tube and removes, pass from the position of belt pulley, start automatic winding mechanism, evenly twine the surface at the heat-proof pipe inner tube with heat-proof pipe inner tube, and then impel the heat-proof pipe inner tube in the heat-proof pipe outer tube, carry out the suit operation, adopt automatic winding, degree of automation is improved, and can alone operate, and operation production efficiency is improved, and convenient operation, high speed, safety.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall assembly of the structure of the present invention;
FIG. 2 is a schematic view of a chain drive mechanism according to the present invention;
FIG. 3 is a schematic view of an automatic winding mechanism according to the present invention;
FIG. 4 is a schematic view of a positioning mechanism according to the present invention;
In the figure: 1. a chain transmission mechanism; 11. a mounting base; 12. a drive gear; 13. a drive chain; 14. a mounting block; 15. lengthening the push rod; 2. an automatic winding mechanism; 21. a fixed bracket; 22. a bearing support; 23. a belt pulley; 24. a composite material support; 25. a thermally insulating composite material; 3. an inner tube of the heat insulating tube; 4. an outer tube of the insulating tube; 5. a positioning mechanism; 51. a positioning block; 52. a tension spring; 53. a fixed block; 54. a sliding block; 55. a limit groove; 6. a processing table.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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 invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1 is shown in fig. 1-4;
An automatic winding and sleeving device for a heat-insulating oil sleeve comprises a processing table 6, a heat-insulating pipe inner pipe 3 arranged on the surface of the processing table 6 and a heat-insulating pipe outer pipe 4 arranged on one side of the heat-insulating pipe inner pipe 3.
In combination with the above, a chain transmission mechanism 1, a positioning mechanism 5 arranged on the surface of the chain transmission mechanism 1 and an automatic winding mechanism 2 arranged on one side of the chain transmission mechanism 1 are arranged below the inner tube 3 of the heat insulation tube;
The chain transmission mechanism 1 comprises mounting seats 11, driving gears 12 and transmission chains 13, two groups of mounting seats 11 are fixedly mounted on the surface of the processing table 6 through bolts, the driving gears 12 are rotatably mounted on the surface of the mounting seats 11, the transmission chains 13 are connected between the two driving gears 12 in a meshed manner, and the inner pipe 3 of the heat insulation pipe is arranged between the two transmission chains 13;
the positioning mechanism 5 comprises a positioning block 51, and the positioning block 51 is arranged at one end of the surface of the chain transmission mechanism 1, which is positioned at the inner tube 3 of the heat insulation tube;
The automatic winding mechanism 2 comprises a fixed support 21, a bearing support 22, a belt pulley 23, a composite support 24 and a heat insulation composite material 25, wherein the fixed support 21 is welded at one side of the belt of the chain transmission mechanism 1, the bearing support 22 is installed in a lantern ring installed on the fixed support 21, the belt pulley 23 is installed on one side surface of the bearing support 22, the composite support 24 is installed on one side surface of the belt pulley 23 far away from the bearing support 22, the heat insulation composite material 25 is sleeved on the surface of the composite support 24, one end of the heat insulation pipe inner pipe 3 sequentially penetrates through the bearing support 22 and the belt pulley 23 and extends to one side of the belt pulley 23, and the heat insulation composite material 25 is wound on the surface of the heat insulation pipe inner pipe 3.
In this embodiment: through setting up chain drive mechanism 1 on processing platform 6, fix mount pad 11 on processing platform 6 through the bolt, drive gear 12 through starting gear motor and rotate, and then drive chain 13 and remove, and cooperate positioning mechanism 5, place the thermal-insulated intraductal tube 3 before two drive chains 13, install the one end at extension push rod 15 with locating piece 51, in the in-process of chain drive mechanism 1 impel, with locating piece 51 butt in thermal-insulated intraductal tube 3, and start the servo motor on automatic winding mechanism 2, drive belt pulley 23 through the belt and rotate, make bearing bracket 22 rotate in fixed bolster 21, and install combined material support 24 with thermal-insulated combined material 25 cover at its surface on belt pulley 23, chain drive mechanism 1 promotes thermal-insulated intraductal tube 3 and removes, pass from belt pulley 23's position, start automatic winding mechanism 2, evenly twine thermal-insulated combined material 25 at thermal-insulated intraductal tube 3's surface, and then advance thermal-insulated intraductal tube 3 in thermal-insulated intraductal tube 4, carry out the suit operation, adopt automatic winding, degree of automation improves, and can alone, and can operate, high operation production efficiency, and convenient operation, swiftly safety.
It should be noted that: the guide sleeve is arranged at the start end of the outer tube 4 of the heat insulation tube in a sleeving manner, and the guide sleeve is used for automatically guiding the heat insulation tube to the outer tube in the inner tube pushing process, so that the concentricity is ensured again, and the production quality of the heat insulation oil sleeve is ensured.
It should be noted that: the bottom surface of the fixed bracket 21 is provided with a driving motor, and the belt pulley 23 is rotationally connected with a transmission shaft of the driving motor through a transmission belt.
It should be noted that: the gear motor is installed on the outside surface of drive gear 12, and gear motor's output shaft is connected with drive gear 12, and gear motor installs the surface at mount pad 11.
It should be noted that: the positioning block 51 is composed of two parts, and the surface of the positioning block 51 is in an inclined-section structure, so that the positioning block 51 can be inserted into the inner wall of the heat insulation pipe inner pipe 3 and wound while being pushed.
It should be noted that: the speed reducing motor drives the belt pulley 23 to do slow circular motion, the motion speed is completely matched with the transmission speed of the transmission chain 13 of the chain transmission mechanism 1, and the height of the fixed support 21 can be automatically adjusted, so that the inner tube and the outer tube are in a concentric state in the sleeving process.
It should be noted that: the positioning mechanism 5 completes positioning when being flush with one end of the outer tube 4 of the heat insulation tube, the gear motor reverses to drive the transmission chain 13 to reverse, and the positioning device automatically returns to the initial end, so that the intelligent degree is high.
In an alternative embodiment, one end of the composite bracket 24 is threaded, and the composite bracket 24 is threaded with a stop nut through the threaded groove formed in the surface.
In this embodiment: the surface of the composite material bracket 24 is provided with the thread groove, and the position of the heat insulation composite material 25 is fixed and limited by the installation limiting nut, so that the stability is high and the use effect is good.
In an alternative embodiment, the surface of one of the transmission chains 13 is provided with a mounting block 14, the surface of the mounting block 14 is provided with an elongated push rod 15, and the elongated push rod 15 is connected with a positioning block 51.
In this embodiment: the installation block 14 is installed on the transmission chain 13, the lengthened push rod 15 is connected with the positioning block 51, and the lengthened push rod 15 on the transmission chain 13 is driven by the driving motor to move so as to drive the inner tube 3 of the heat insulation tube to carry out moving operation.
In an alternative embodiment, the surface of the lengthening push rod 15 is symmetrically provided with a fixed block 53, the surfaces of the two positioning blocks 51 are provided with sliding blocks 54, the surface of the fixed block 53 is provided with a limiting groove 55 matched with the sliding blocks 54, the positioning blocks 51 slide in the fixed block 53 through the sliding blocks 54 and the limiting groove 55, the middle positions of the two positioning blocks 51 are provided with tension springs 52, and the positioning blocks 51 are abutted against the inner wall of the inner pipe 3 of the heat insulation pipe.
In this embodiment: through the sliding block 54 with the convex-shaped structure installed on the positioning block 51, the installation block 14 on the transmission chain 13 is driven by the chain transmission mechanism 1 to move, and then the lengthened push rod 15 is driven to push the positioning block 51 to move, the fixed block 53 is firstly installed on the surface of the lengthened push rod 15, the positioning block 51 is clamped inside the fixed block 53 through the sliding block 54 and the limiting groove 55, and the positioning block 51 can be opened by being matched with the tension spring 52 between the two positioning blocks 51, so that the positioning block 51 is inserted into the heat insulation pipe inner pipe 3, the heat insulation pipe inner pipe 3 is fixed on the surface of the positioning block 51, and the heat insulation pipe inner pipe 3 with different pipe diameters can be matched for heat insulation winding, so that the heat insulation pipe inner pipe is more flexible to use.
It should be noted that: the sliding block 54 is arranged in a convex structure, so that the movement stability of the positioning block 51 is improved.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An automatic winding and sleeving device for a heat-insulating oil sleeve comprises a processing table (6), a heat-insulating pipe inner pipe (3) arranged on the surface of the processing table (6) and a heat-insulating pipe outer pipe (4) arranged on one side of the heat-insulating pipe inner pipe (3);
A chain transmission mechanism (1), a positioning mechanism (5) arranged on the surface of the chain transmission mechanism (1) and an automatic winding mechanism (2) arranged on one side of the chain transmission mechanism (1) are arranged below the inner tube (3) of the heat insulation tube;
The chain transmission mechanism (1) comprises mounting seats (11), driving gears (12) and transmission chains (13), two groups of mounting seats (11) are fixedly mounted on the surface of the processing table (6) through bolts, the driving gears (12) are rotatably mounted on the surface of each mounting seat (11), the transmission chains (13) are connected between the two driving gears (12) in a meshed mode, and the inner tube (3) of the heat insulation tube is arranged between the two transmission chains (13);
The positioning mechanism (5) comprises a positioning block (51), and the positioning block (51) is arranged at one end of the inner pipe (3) of the heat insulation pipe, which is positioned on the surface of the chain transmission mechanism (1);
Automatic winding mechanism (2) include fixed bolster (21), bearing bracket (22), belt pulley (23), combined material support (24) and thermal-insulated combined material (25), chain drive mechanism (1) are located one side position welding of belt has fixed bolster (21), install in the lantern ring of installing on fixed bolster (21) bearing bracket (22), one side surface mounting of bearing bracket (22) has belt pulley (23), one side surface mounting that bearing bracket (22) was kept away from to belt pulley (23) has combined material support (24), the surface cover of combined material support (24) is equipped with thermal-insulated combined material (25), one end of thermal-insulated intraductal tube (3) runs through in proper order bearing bracket (22) with belt pulley (23), and extends to one side of belt pulley (23), thermal-insulated combined material (25) are around establishing the surface of thermal-insulated intraductal tube (3).
2. The automatic winding and sheathing device for heat insulation oil bushings according to claim 1, characterized in that: the bottom surface of the fixed support (21) is provided with a driving motor, and the belt pulley (23) is rotationally connected with a transmission shaft of the driving motor through a transmission belt.
3. The automatic winding and sheathing device for heat insulation oil bushings according to claim 1, characterized in that: a thread groove is formed in one end of the composite material support (24), and the composite material support (24) is connected with a limit nut through the thread groove formed in the surface of the composite material support.
4. The automatic winding and sheathing device for heat insulation oil bushings according to claim 1, characterized in that: the gear motor is arranged on the outer side surface of the driving gear (12), an output shaft of the gear motor is connected with the driving gear (12), and the gear motor is arranged on the surface of the mounting seat (11).
5. The automatic winding and sheathing device for heat insulation oil bushings according to claim 1, characterized in that: one of the transmission chains (13) is provided with a mounting block (14) on the surface, an elongated push rod (15) is arranged on the surface of the mounting block (14), and the elongated push rod (15) is connected with the positioning block (51).
6. The automatic winding and sheathing device for heat insulation oil bushings according to claim 1, characterized in that: the positioning block (51) consists of two parts, and the surfaces of the positioning block (51) are all in a bevel-shaped structure.
7. The automatic winding and sheathing device for heat insulation oil jackets according to claim 5, characterized in that: fixed block (53) are installed to the surface symmetry of extension push rod (15), two sliding block (54) are all installed on the surface of locating piece (51), spacing groove (55) with sliding block (54) looks adaptation are seted up on the surface of fixed block (53), locating piece (51) are passed through sliding block (54) with spacing groove (55) slip is in fixed block (53), two tension spring (52) are installed in the intermediate position of locating piece (51), locating piece (51) butt is in insulating tube inner tube (3) inner wall.
8. The automatic winding and sheathing apparatus of a heat insulation oil bushing according to claim 7, wherein: the sliding block (54) is arranged in a convex-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410331151.9A CN117922045B (en) | 2024-03-22 | 2024-03-22 | Automatic winding and sleeving equipment for heat-insulating oil sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410331151.9A CN117922045B (en) | 2024-03-22 | 2024-03-22 | Automatic winding and sleeving equipment for heat-insulating oil sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117922045A true CN117922045A (en) | 2024-04-26 |
| CN117922045B CN117922045B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410331151.9A Active CN117922045B (en) | 2024-03-22 | 2024-03-22 | Automatic winding and sleeving equipment for heat-insulating oil sleeve |
Country Status (1)
| Country | Link |
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| CN (1) | CN117922045B (en) |
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| CN1401728A (en) * | 2001-08-13 | 2003-03-12 | 新Qu能源有限公司 | Device using high velocity heat transfer medium |
| WO2003060368A1 (en) * | 2001-12-29 | 2003-07-24 | Technip France | Heated windable rigid duct for transporting fluids, particularly hydrocarbons |
| CN101446376A (en) * | 2008-12-30 | 2009-06-03 | 常州市东海橡胶厂 | Pneumatic-brake hose and preparation method thereof |
| CN102071879A (en) * | 2011-01-07 | 2011-05-25 | 辽河石油勘探局总机械厂 | Novel prestressed heat-insulation oil pipe |
| CN105299335A (en) * | 2014-07-31 | 2016-02-03 | 上海天阳钢管有限公司 | Manufacturing method of carbon steel stainless steel double-metal polymerization pipe |
| CN205135442U (en) * | 2015-12-02 | 2016-04-06 | 胜利油田胜机石油装备有限公司 | Interior heat preservation high vacuum insulation oil pipe that scribbles |
| CN107553514A (en) * | 2017-09-22 | 2018-01-09 | 宗德东 | A kind of mechanical arm for detecting robot |
| CN207298109U (en) * | 2017-08-29 | 2018-05-01 | 安徽大地工程管道有限公司 | A kind of ammonia conveying thermal insulation pipe |
| CN112984282A (en) * | 2021-04-26 | 2021-06-18 | 胜利油田胜机石油装备有限公司 | Thermal insulation pipeline |
| CN114247615A (en) * | 2021-11-25 | 2022-03-29 | 山东聚能管业有限公司 | Continuous production and processing equipment for thermal insulation pipes |
| CN218486453U (en) * | 2022-10-14 | 2023-02-17 | 余汝道 | Mechanism for conveying two fluids to rotating element |
-
2024
- 2024-03-22 CN CN202410331151.9A patent/CN117922045B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401728A (en) * | 2001-08-13 | 2003-03-12 | 新Qu能源有限公司 | Device using high velocity heat transfer medium |
| WO2003060368A1 (en) * | 2001-12-29 | 2003-07-24 | Technip France | Heated windable rigid duct for transporting fluids, particularly hydrocarbons |
| CN101446376A (en) * | 2008-12-30 | 2009-06-03 | 常州市东海橡胶厂 | Pneumatic-brake hose and preparation method thereof |
| CN102071879A (en) * | 2011-01-07 | 2011-05-25 | 辽河石油勘探局总机械厂 | Novel prestressed heat-insulation oil pipe |
| CN105299335A (en) * | 2014-07-31 | 2016-02-03 | 上海天阳钢管有限公司 | Manufacturing method of carbon steel stainless steel double-metal polymerization pipe |
| CN205135442U (en) * | 2015-12-02 | 2016-04-06 | 胜利油田胜机石油装备有限公司 | Interior heat preservation high vacuum insulation oil pipe that scribbles |
| CN207298109U (en) * | 2017-08-29 | 2018-05-01 | 安徽大地工程管道有限公司 | A kind of ammonia conveying thermal insulation pipe |
| CN107553514A (en) * | 2017-09-22 | 2018-01-09 | 宗德东 | A kind of mechanical arm for detecting robot |
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| CN218486453U (en) * | 2022-10-14 | 2023-02-17 | 余汝道 | Mechanism for conveying two fluids to rotating element |
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| CN117922045B (en) | 2024-05-28 |
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