CN111561629A - Submarine pipeline protection device for preventing anchor damage - Google Patents
Submarine pipeline protection device for preventing anchor damage Download PDFInfo
- Publication number
- CN111561629A CN111561629A CN202010425011.XA CN202010425011A CN111561629A CN 111561629 A CN111561629 A CN 111561629A CN 202010425011 A CN202010425011 A CN 202010425011A CN 111561629 A CN111561629 A CN 111561629A
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- China
- Prior art keywords
- buffer device
- top plate
- rod
- submarine pipeline
- sliding
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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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
- F16F15/1216—Torsional springs, e.g. torsion bar or torsionally-loaded coil springs
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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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention provides a submarine pipeline protection device for preventing anchor damage, and particularly relates to the technical field of submarine pipelines. The invention comprises a submarine pipeline, wherein a bottom plate is arranged at the lower side of the submarine pipeline, and fixed rod groups are arranged on the bottom plate and are respectively arranged at two sides of the submarine pipeline; the fixed rod group is respectively provided with a first buffer device and a second buffer device, the first buffer device and the second buffer device are both hinged with the fixed rod group, and torsion springs are arranged between the fixed rod group and the first buffer device and between the fixed rod group and the second buffer device; a connecting rod is arranged above the submarine pipeline and penetrates through the first buffer device and the second buffer device; the first buffer device and the second buffer device are respectively provided with a first sliding hole and a second sliding hole, and the connecting rod is respectively connected with the first sliding hole and the second sliding hole in a sliding manner. The submarine pipeline protection device capable of preventing anchor damage provided by the invention can prevent a submarine pipeline from being damaged and avoid economic loss caused by the fact that objects in the submarine pipeline flow into the sea.
Description
Technical Field
The invention belongs to the technical field of submarine pipelines, and particularly relates to a submarine pipeline protection device for preventing anchor damage.
Background
The submarine pipeline is a pipeline for transporting oil, gas and chemical agents, and consists of a steel pipe, a heat insulation layer, a weight layer, a heating system and an anti-corrosion system, and is used for communicating a platform, a single point and a land oil depot.
Structure for protecting a subsea pipeline (grant CN201720567203.8), a structure for protecting a subsea pipeline is disclosed. The device includes supporting part and crossbeam, makes the structure of protection submarine pipeline be convenient for install, and it is convenient to be under construction, but the device is not good to submarine pipeline's protection effect, receives the damage of ship anchor easily.
In view of the above circumstances, there is a need for a subsea pipeline protection device for preventing anchor damage, which can prevent a subsea pipeline from being damaged and prevent objects in the subsea pipeline from flowing into the sea, resulting in economic loss.
Disclosure of Invention
The invention provides the following technical scheme:
a submarine pipeline protection device for preventing anchor damage comprises a submarine pipeline, wherein a bottom plate is arranged on the lower side of the submarine pipeline, at least one group of fixing rod groups are arranged on the bottom plate, and the group of fixing rod groups are respectively arranged on two sides of the submarine pipeline; a first buffer device and a second buffer device are respectively arranged on one group of the fixed rod groups, the first buffer device and the second buffer device are both hinged with the fixed rod groups, and torsion springs are arranged between the fixed rod groups and the first buffer devices and between the fixed rod groups and the second buffer devices; a connecting rod is arranged above the submarine pipeline and penetrates through the first buffer device and the second buffer device; the first buffer device and the second buffer device are respectively provided with a first sliding hole and a second sliding hole, and the connecting rod is respectively in sliding connection with the first sliding hole and the second sliding hole.
Preferably, the first buffer device is composed of a first rotating rod and a first top plate, the second buffer device is composed of a second rotating rod and a second top plate, the first rotating rod and the second rotating rod are respectively hinged with a group of fixing rods, the first sliding hole is formed in the first top plate, and the second sliding hole is formed in the second top plate.
Preferably, the first top plate and the second top plate are arc-shaped, a groove is formed in the second top plate, and the first top plate is arranged in the groove.
Preferably, through holes are formed in the first top plate and the second top plate, and expansion holes are formed in the lower ends of the through holes.
Preferably, a sliding rod is arranged between the first top plate and the groove wall of the groove, and fixing plates are arranged at two ends of the sliding rod.
Preferably, the groove wall of the groove and the first top plate are provided with sliding grooves, and the groove bottoms of the sliding grooves are in sliding connection with the fixed plate.
Preferably, a telescopic device is arranged between the group of fixing rods and the first buffer device and between the group of fixing rods and the second buffer device respectively.
Preferably, the telescopic device consists of a rod sleeve and a sleeve rod, the inner side wall of the rod sleeve is in sliding connection with the side wall of the sleeve rod, and the rod sleeve is provided with a water through hole.
Preferably, the loop bar is provided with a first bulge, the bar sleeve is provided with a second bulge, the first bulge is connected with the inner side wall of the bar sleeve in a sliding manner, and the second bulge slides with the side wall of the loop bar.
Preferably, an inclined plate is arranged on the first buffer device and the second buffer device, one end of the inclined plate is higher than the other end of the inclined plate, and one end of the inclined plate is arranged above the space between the first buffer device and the second buffer device.
The invention has the beneficial effects that:
the bottom plate is arranged on the lower side of the submarine pipeline, at least one group of fixing rod groups are arranged on the bottom plate, the group of fixing rod groups are respectively arranged on two sides of the submarine pipeline, a first buffer device and a second buffer device are respectively arranged on the group of fixing rod groups, the first buffer device and the second buffer device are both hinged with the fixing rod groups, and the fixing rods not only enable the submarine pipeline to be fixed more stably, but also facilitate the fixing of the first buffer device and the second buffer device;
torsion springs are arranged between the fixed rod group and the first buffer device and between the fixed rod group and the second buffer device, a connecting rod is arranged above the submarine pipeline and penetrates through the first buffer device and the second buffer device, the first buffer device and the second buffer device are respectively provided with a first sliding hole and a second sliding hole, the connecting rod is respectively in sliding connection with the first sliding hole and the second sliding hole, the first buffer device and the second buffer device can buffer ship anchors put down through the torsion springs to avoid damaging the submarine pipeline, the connecting rod enables all the first buffer devices and the second buffer devices to be connected with each other, and the first buffer device and the second buffer devices are enabled to be fixed more stably.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a first fixing rod according to the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic structural view of a slide bar of the present invention;
fig. 5 is a cross-sectional view of the chute of the present invention.
Description of reference numerals:
1. a subsea pipeline; 2. a base plate; 3. a first fixing lever; 4. a second fixing bar; 5. a fixed rod group; 6. a first rotating lever; 7. a first top plate; 8. a first buffer device; 9. a second rotating rod; 10. a second top plate; 11. a second buffer device; 12. a torsion spring; 13. a connecting rod; 14. a first rotating lever; 15. a first rotary groove; 16. a second rotating rod; 17. a second rotary groove; 18. a first slide hole; 19. a second slide hole; 20. a groove; 21. a through hole; 22. expanding the hole; 23. a slide bar; 24. a fixing plate; 25. a chute; 26. a loop bar; 27. a rod sleeve; 28. a telescoping device; 29. a water through hole; 30. a first protrusion; 32. a second protrusion; 33. a first support bar; 34. fixing the rod; 35. penetrating a rod; 36. closing the plate; 37. perforating; 38. a guard plate; 39. a second support bar; 40. and (7) a pin shaft.
Detailed Description
As shown in fig. 1 to 5, a submarine pipeline protection device for preventing anchor damage includes a submarine pipeline 1, a bottom plate 2 is disposed at the lower side of the submarine pipeline 1, an arc-shaped protection plate 38 matched with the submarine pipeline 1 is disposed at the upper end surface of the bottom plate 2, a second support rod is disposed between the protection plate 38 and the bottom plate 2, two ends of the second support rod 39 are respectively connected with the arc plate 38 and the bottom plate 2, and the protection plate 38 makes the submarine pipeline 1 more firmly fixed; the bottom plate 2 is provided with a fixed rod group 5, the lower end of the fixed rod group 5 is connected with the upper end face of the bottom plate 2, the fixed rod group 5 is composed of a first fixed rod 3 and a second fixed rod 4, the first fixed rod 3 and the second fixed rod 4 are respectively arranged on two sides of the submarine pipeline 1, the side wall of the submarine pipeline 1 is connected with the side wall of the fixed rod group 5, and the fixed rod group 5 enables the submarine pipeline 1 to be fixed more firmly.
The upper end of the first fixed rod 3 is provided with a first buffer device 8, the upper end of the second fixed rod 4 is provided with a second buffer device 11, the first buffer device 8 consists of a first rotating rod 6 and a first top plate 7, the second buffer device 11 consists of a second rotating rod 9 and a second top plate 10, the upper end of the first fixed rod 3 and the upper end of the second fixed rod 4 are both provided with a second rotating groove 17, the groove wall of the second rotating groove 17 is rotatably connected with the lower end of the fixed rod group 5, the lower ends of the first rotating rod 6 and the second rotating rod 9 are provided with a first rotating rod 14, one end of the first rotating rod 14 is connected with the side wall of the fixed rod group 5, the other end of the first rotating rod 14 is provided with a second rotating rod 16, one end of the second rotating rod 16 is connected with the first rotating rod 14, the side wall of the second rotating rod 16 is provided with a torsion spring 12, the groove wall of the second rotating groove 17 is provided with a first rotating groove 15, the side wall of the first rotating rod 14 is rotatably connected with the first, the two ends of the torsion spring 12 are respectively connected with the bottoms of the first rotating rod 14 and the first rotating groove 15, the second rotating groove 17 is convenient for the first rotating rod 6 and the second rotating rod 9 to rotate, the first rotating rod 14 enables the first rotating rod 6 and the second rotating rod 9 to rotate more stably, the second rotating rod 16 enables the torsion spring 12 to rotate more stably, the first buffer device 8 and the second buffer device 11 can buffer the ship anchor which is put down through the torsion spring 12, and the submarine pipeline 1 is prevented from being damaged.
The upper ends of the first rotating rod 6 and the second rotating rod 9 are provided with through rods 35, the first top plate 7 and the second top plate 10 are provided with through holes 37 matched with the through rods 35, the hole walls of the through holes 37 are connected with the side walls of the through rods 35, the diameter of each through rod 35 is four centimeters smaller than that of each first rotating rod 6 and each second rotating rod 9, so that the first top plate 7 and the second top plate 10 are prevented from sliding, the upper ends of the through rods 35 are provided with sealing plates 36, the lower end surfaces of the sealing plates 36 are connected with the through rods 35, and the first top plate 7 and the second top plate 10 are fixed more firmly through the through rods 35 and the sealing plates 36; fixing rods 34 are arranged between the first rotating rod 6 and the first top plate 7 and between the second rotating rod 9 and the second top plate 10, two ends of each fixing rod 34 are respectively connected with the side wall of the first rotating rod 6, the lower end face of the first top plate 7, the side wall of the second rotating rod 9 and the lower end face of the second top plate 10, and the fixing rods 34 enable the first top plate 7 and the second top plate 10 to be fixed more firmly.
The telescopic devices 28 are arranged between the first top plate 7 and the first fixing rod 3 and between the second top plate 10 and the second fixing plate 4, each telescopic device 28 comprises a rod sleeve 27 and a loop bar 26, eight water through holes 29 are arranged on each rod sleeve 27, the upper end of each loop bar 26 is hinged with the lower end face of the first top plate 7 and the lower end face of the second top plate 10 through a pin shaft 40, the lower end of each rod sleeve 27 is hinged with the side wall of the first fixing rod 3 and the side wall of the second fixing rod 4 through a pin shaft 40, a first bulge 30 is arranged at the lower end of each loop bar 26, a second bulge 31 is arranged on the inner side wall of the upper end of each rod sleeve 27, the first bulge 30 is connected with the inner side wall of each rod sleeve 27 in a sliding mode, the second bulge 31 slides with the side wall of each loop bar 26, the water through holes 29 enable the rod sleeves 27 to be filled with seawater, and in the process that the first bulges 30 slide up and down, the seawater only can move slowly due to, the first and second projections 30, 31 limit the sliding of the stem 26 and prevent the anchor from damaging the marine pipeline 1.
The through holes 21 are formed in the first top plate 7 and the second top plate 10, the expansion holes 22 are formed in the lower ends of the through holes 21, the first top plate 7 and the second top plate 10 rotate, seawater can flow through the through holes 21, upward impulsive force is exerted on the ship anchor by the flowing seawater, the ship anchor is prevented from damaging the submarine pipeline 1, the radius of the lower end of each expansion hole 22 is two centimeters larger than that of the upper end of each expansion hole, more seawater can flow through the through holes 21 by the expansion holes 22, the flow speed of the seawater in the through holes 21 is improved, and the upward impulsive force on the ship anchor is increased; the upper end faces of the first top plate 7 and the second top plate 10 are provided with inclined plates 32, one ends of the inclined plates 32 are three-ten cm higher than the other ends of the inclined plates, one ends of the inclined plates 32 are arranged above the space between the first top plate 7 and the second top plate 10, two first supporting rods 33 are arranged between the inclined plates 32 and the first top plate 7 and the second top plate 10, one ends of the first supporting rods 33 are connected with the lower end faces of the inclined plates 32, the other ends of the first supporting rods 33 are connected with the upper end faces of the first top plate 7 and the second top plate 10, and the inclined plates 32 are beneficial to the falling ship anchor to slide to the side of the submarine pipeline 1.
A connecting rod 13 is arranged above the submarine pipeline 1, the connecting rod 13 penetrates through the first top plate 7 and the second top plate 10, the first top plate 7 and the second top plate 10 are respectively provided with a first sliding hole 18 and a second sliding hole 19, the connecting rod 13 is respectively in sliding connection with the first sliding hole 18 and the second sliding hole 19, and the connecting rod 13 connects all the first top plates 7 and the second top plates 10 into a whole so as to prevent the submarine pipeline 1 from being damaged due to local damage; the first top plate 7 and the second top plate 10 are arc-shaped, so that the first top plate 7 and the second top plate 10 can rotate conveniently; the second top plate 10 is provided with a groove 20, the first top plate 7 is arranged in the groove 20, and the groove 20 is convenient for the first top plate 7 and the second top plate 10 to rotate; two sliding rods 23 are respectively arranged between two sides of the first top plate 7 and the groove wall of the groove 20, fixing plates 24 are arranged at two ends of each sliding rod 23, the end face of each fixing plate 24 is connected with the corresponding sliding rod 23, sliding grooves 25 are formed in the groove wall of the groove 20 and the first top plate 7, the groove bottoms of the sliding grooves 25 are in sliding connection with the corresponding fixing plates 24, the sliding grooves 25 and the fixing plates 24 enable the sliding rods 23 to be more stable, and the sliding rods 23 enable the first top plate 7 and the second top plate 10 to rotate more stably.
The working mode of the invention is as follows: the ship anchor falls and collides with the inclined plate 32, the ship anchor slides to the side part of the submarine pipeline 1 along the inclined plate 32, at the moment, the first top plate 7 and the second top plate 10 rotate, the water through hole 29 enables the rod sleeve 27 to be filled with seawater, in the process that the first bulge 30 slides up and down, the first bulge 30 can only move slowly due to the pressure of the seawater, the torsion spring 12 and the expansion device 28 play a role in buffering the rotation of the first top plate 7 and the second top plate 10, the connecting rod 13 connects all the first top plates 7 and the second top plates 10 into a whole, the submarine pipeline 1 is prevented from being damaged locally, the ship anchor is waited to slide to the seabed, and the first top plate 7 and the second top plate 10 are rotated back to the original position through the torsion spring 12.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a prevent submarine pipeline protection device of anchor damage which includes submarine pipeline, its characterized in that: a bottom plate is arranged on the lower side of the submarine pipeline, at least one group of fixing rod groups are arranged on the bottom plate, and the group of fixing rod groups are respectively arranged on two sides of the submarine pipeline; a first buffer device and a second buffer device are respectively arranged on one group of the fixed rod groups, the first buffer device and the second buffer device are both hinged with the fixed rod groups, and torsion springs are arranged between the fixed rod groups and the first buffer devices and between the fixed rod groups and the second buffer devices; a connecting rod is arranged above the submarine pipeline and penetrates through the first buffer device and the second buffer device; the first buffer device and the second buffer device are respectively provided with a first sliding hole and a second sliding hole, and the connecting rod is respectively in sliding connection with the first sliding hole and the second sliding hole.
2. The subsea pipeline protection device against anchor damage according to claim 1, wherein: the first buffer device is composed of a first rotating rod and a first top plate, the second buffer device is composed of a second rotating rod and a second top plate, the first rotating rod and the second rotating rod are respectively hinged with a group of fixed rods, the first sliding hole is formed in the first top plate, and the second sliding hole is formed in the second top plate.
3. The subsea pipeline protection device against anchor damage according to claim 2, wherein: the first top plate and the second top plate are arc-shaped, a groove is formed in the second top plate, and the first top plate is arranged in the groove.
4. The subsea pipeline protection device against anchor damage according to claim 3, wherein: the first top plate and the second top plate are provided with through holes, and the lower ends of the through holes are provided with expansion holes.
5. The subsea pipeline protection device against anchor damage according to claim 4, wherein: and a sliding rod is arranged between the first top plate and the groove wall of the groove, and fixing plates are arranged at two ends of the sliding rod.
6. The subsea pipeline protection device against anchor damage according to claim 5, wherein: the groove wall of the groove and the first top plate are provided with sliding grooves, and the groove bottoms of the sliding grooves are in sliding connection with the fixing plate.
7. The subsea pipeline protection device against anchor damage according to claim 1, wherein: and telescopic devices are arranged between the fixed rods and the first buffer device and between the fixed rods and the second buffer device respectively.
8. The subsea pipeline protection device against anchor damage according to claim 7, wherein: the telescopic device is composed of a rod sleeve and a sleeve rod, the inner side wall of the rod sleeve is in sliding connection with the side wall of the sleeve rod, and a water through hole is formed in the rod sleeve.
9. The subsea pipeline protection device against anchor damage according to claim 8, wherein: the loop bar is provided with a first bulge, the bar sleeve is provided with a second bulge, the first bulge is connected with the inner side wall of the bar sleeve in a sliding manner, and the second bulge slides with the side wall of the loop bar.
10. The subsea pipeline protection device against anchor damage according to claim 1, wherein: the first buffer device and the second buffer device are provided with inclined plates, one ends of the inclined plates are higher than the other ends of the inclined plates, and one ends of the inclined plates are arranged above the first buffer device and the second buffer device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010425011.XA CN111561629B (en) | 2020-05-19 | 2020-05-19 | Submarine pipeline protection device for preventing anchor damage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010425011.XA CN111561629B (en) | 2020-05-19 | 2020-05-19 | Submarine pipeline protection device for preventing anchor damage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111561629A true CN111561629A (en) | 2020-08-21 |
| CN111561629B CN111561629B (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010425011.XA Expired - Fee Related CN111561629B (en) | 2020-05-19 | 2020-05-19 | Submarine pipeline protection device for preventing anchor damage |
Country Status (1)
| Country | Link |
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| CN (1) | CN111561629B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624432A (en) * | 1983-06-29 | 1986-11-25 | Super Glue Corporation | Heavy duty clamping system |
| CN206943318U (en) * | 2017-04-26 | 2018-01-30 | 深圳九方生态建设有限公司 | A kind of Novel water conservancy project pipeline protection cover |
| CN207634901U (en) * | 2017-08-18 | 2018-07-20 | 孙吉良 | A kind of rolling-proof device convenient for water conservancy construction rubber tubing |
| CN108397596A (en) * | 2018-03-26 | 2018-08-14 | 费金霞 | A kind of ocean engineering submarine pipeline stringer |
| CN108458166A (en) * | 2018-03-26 | 2018-08-28 | 费金霞 | A kind of ocean engineering conveyance conduit stringer |
| CN208123633U (en) * | 2018-01-10 | 2018-11-20 | 天津中天精科科技有限公司 | A kind of fixed device of water process pipeline |
| CN109882661A (en) * | 2019-03-11 | 2019-06-14 | 齐共明 | A kind of ocean engineering submarine pipeline stringer |
| CN209545085U (en) * | 2018-11-08 | 2019-10-25 | 江苏润华电缆股份有限公司 | The dedicated connection hookup wire of solar energy lithium battery accumulation of energy |
-
2020
- 2020-05-19 CN CN202010425011.XA patent/CN111561629B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624432A (en) * | 1983-06-29 | 1986-11-25 | Super Glue Corporation | Heavy duty clamping system |
| CN206943318U (en) * | 2017-04-26 | 2018-01-30 | 深圳九方生态建设有限公司 | A kind of Novel water conservancy project pipeline protection cover |
| CN207634901U (en) * | 2017-08-18 | 2018-07-20 | 孙吉良 | A kind of rolling-proof device convenient for water conservancy construction rubber tubing |
| CN208123633U (en) * | 2018-01-10 | 2018-11-20 | 天津中天精科科技有限公司 | A kind of fixed device of water process pipeline |
| CN108397596A (en) * | 2018-03-26 | 2018-08-14 | 费金霞 | A kind of ocean engineering submarine pipeline stringer |
| CN108458166A (en) * | 2018-03-26 | 2018-08-28 | 费金霞 | A kind of ocean engineering conveyance conduit stringer |
| CN209545085U (en) * | 2018-11-08 | 2019-10-25 | 江苏润华电缆股份有限公司 | The dedicated connection hookup wire of solar energy lithium battery accumulation of energy |
| CN109882661A (en) * | 2019-03-11 | 2019-06-14 | 齐共明 | A kind of ocean engineering submarine pipeline stringer |
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| CN111561629B (en) | 2021-10-22 |
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