CN111082367B - Water spraying device for burying submarine power cable - Google Patents
Water spraying device for burying submarine power cable Download PDFInfo
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- CN111082367B CN111082367B CN202010073375.6A CN202010073375A CN111082367B CN 111082367 B CN111082367 B CN 111082367B CN 202010073375 A CN202010073375 A CN 202010073375A CN 111082367 B CN111082367 B CN 111082367B
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- water
- water spraying
- limiting rod
- coulters
- power cable
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/10—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle in or under water
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
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Abstract
The invention discloses a water spraying device for burying a submarine power cable, which comprises a rack, wherein the rack comprises a front beam, a rear beam and two middle beams, the two middle beams are connected between the front beam and the rear beam and symmetrically arranged, the lower ends of the two middle beams on two sides are connected with a travelling mechanism, two sides of the lower end of the rear beam are fixedly connected with second fixing frames, a second limiting rod is connected between the two second fixing frames, two second sliding sleeves are sleeved on the second limiting rod in a sliding mode, connecting rods are connected on the two second sliding sleeves, water spraying coulters are connected on the two connecting rods, and an interval adjusting mechanism is connected between the two water spraying coulters. The invention has the advantages of flexible use, convenient adjustment, flexible adjustment of embedding width and depth, continuous water supply, high-efficiency blowing, reliable operation of the whole equipment and large applicable working range.
Description
Technical Field
The invention relates to the technical field of submarine power cable burying, in particular to a water spraying device for submarine power cable burying.
Background
Submarine power cables, typically wires wrapped in insulation, are laid on the sea floor to set up telecommunication transmissions between countries. The most important and fragile part of the submarine cable, i.e. the underwater equipment.
The existing cable burying system generally comprises a single-blade mode, a multi-blade mode and a water spraying mode, and the existing domestic water spraying and flushing device generally does not have depth and width of a colter, height of a water suction port and is not flexible and convenient enough to use, so that the burying system is small in application range, low in working efficiency and low in reliability.
Disclosure of Invention
The object of the present invention is to solve the drawbacks of the prior art and to provide a water sprinkler for submarine power cable laying.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water spraying device for burying a submarine power cable comprises a frame, wherein the frame comprises a front beam, a rear beam and two middle beams, the two middle beams are connected between the front beam and the rear beam and symmetrically arranged, the lower ends of the two middle beams on two sides are both connected with a traveling mechanism, two sides of the lower end of the rear beam are both fixedly connected with second fixing frames, a second limiting rod is connected between the two second fixing frames, the second limiting rod is sleeved with two second sliding sleeves in a sliding mode, the two second sliding sleeves are both connected with connecting rods, the two connecting rods are both connected with water spraying coulters, an interval adjusting mechanism is connected between the two water spraying coulters, the upper parts of the front ends of the two water spraying coulters are both connected with a depth adjusting mechanism, the front ends of the two water spraying coulters are connected with an excavating mechanism, and a connecting beam is connected between the two middle beams, the lower end of the connecting beam is connected with two water supply mechanisms, and the two water supply mechanisms are connected with the two water spraying coulters.
Preferably, running gear is including installing the side vertical frame at the center sill lower extreme, the side is connected with a plurality of walking wheels on the vertical frame, and a plurality of walking wheels pass through the track and connect, walking wheel epaxial fixedly connected with from the driving wheel, install first dive motor on the side vertical frame lateral wall, the terminal fixedly connected with action wheel of first dive motor output shaft, the action wheel with pass through transmission chain drive connection from the driving wheel.
Preferably, the distance adjusting mechanism rotates a rotating sleeve sleeved in the middle of the second limiting rod, a second pushing oil cylinder is fixedly mounted on the side wall of the rotating sleeve, the telescopic end of the second pushing oil cylinder is rotatably connected with two support rods, and one ends of the two support rods, far away from the second pushing oil cylinder, are respectively and rotatably connected to the two water spraying coulters.
Preferably, degree of depth adjustment mechanism is including rotating two first top push hydro-cylinders of connection in two well roof beam lower extreme front sides respectively, two the equal first sliding sleeve of fixedly connected with in upper end of water spray coulter, be equipped with locking structure on the first sliding sleeve, two arc guide rail frames of the equal fixedly connected with in lower extreme of well roof beam, two be connected with first gag lever post between the flexible end of first top push hydro-cylinder, and the flexible end and the first gag lever post tip of first top push hydro-cylinder rotate to be connected, first gag lever post passes first sliding sleeve, arc guide rail frame, first sliding sleeve slides and cup joints on first gag lever post, first gag lever post sliding connection is inboard at arc guide rail frame.
Preferably, it includes two oblique baffle of rotation connection to excavate the mechanism, two oblique baffle rotates respectively and connects at two water spray coulter front ends, be equipped with the tunnelling piece on the oblique baffle, tunnelling the second dive motor of piece including installing in oblique baffle upper end, the output shaft of second dive motor extends to oblique baffle below and fixedly connected with digger.
Preferably, the water supply mechanism includes the first mount of fixed connection at the tie-beam lower extreme, the immersible pump is installed to the lower extreme of first mount, install third dive motor on the immersible pump, the back beam upper end is equipped with the structure of intaking of being connected with the immersible pump.
Preferably, the locking structure is including installing the locking hydro-cylinder in first sliding sleeve upper end, be equipped with the lockhole with the locking hydro-cylinder adaptation on the first gag lever post, the flexible end of locking hydro-cylinder runs through first sliding sleeve and extends to in the lockhole, the lockhole can equidistant setting a plurality ofly.
Preferably, the water spray coulter is provided with a water distribution pipe, the water distribution pipe is connected with a plurality of branch pipes, the branch pipes are connected with high-pressure nozzles, the water distribution pipe is connected with a second water delivery pipe, and the second water delivery pipe is connected to the output end of the submersible pump.
Preferably, the water inlet structure includes the lift cylinder of installation on the back beam, the flexible end of lift cylinder is connected with the link, be connected with the water inlet on the link, be connected with first raceway on the water inlet, first raceway is connected on the input of immersible pump.
The invention has the beneficial effects that:
1. through setting up water supply mechanism, on pumping the distributive pipe on the water spray coulter with the water through the immersible pump to through high-pressure nozzle blowout high-pressure water impact, supply water continuously high-efficiently, make the slot excavation buried underground by the cable more stable, high-efficient.
2. Through setting up interval adjustment mechanism, locking structure, can bury the needs of slot width underground according to the cable, adjust the interval of two water spray coulters, start the extension of second top push cylinder or shorten, drive two vaulting poles and rotate, can drive two water spray coulters and remove along first gag lever post, and then adjust the interval of two water spray coulters to start the locking hydro-cylinder, fix first sliding sleeve on first gag lever post and can be fixed with the water spray coulter, it is more nimble convenient to use.
3. Through setting up degree of depth adjustment mechanism, start first top and push the hydro-cylinder, drive first gag lever post and remove along arc guide rail frame, can drive the water spray coulter and rotate, and then adjust the lower spy degree of depth of water spray coulter, adjust water spray coulter working angle, realize burying the degree of depth regulation underground, it is convenient to use.
4. Through setting up the excavation mechanism, start the second dive motor, the drive digs the sword and rotates, can advance when the device, excavates, realizes that water spraying, multitool tunnelling combine together, and then reduces silt resistance, and the operating efficiency is higher.
5. Through setting up the structure of intaking, through lift cylinder, the height of adjustable water inlet, and then all can use under different depth of water environment, and can adjust the water inlet position, guarantee the cleanness of intaking, and then the steady operation is then protected the immersible pump.
Drawings
FIG. 1 is a rear view of a water sprinkler for submarine power cable burying according to the present invention;
FIG. 2 is a schematic view of a water spray coulter and depth adjustment mechanism of a water spray apparatus for submarine power cable burying according to the present invention;
FIG. 3 is a schematic top view of a water sprinkler for submarine power cable burying according to the present invention;
fig. 4 is a schematic structural view of a locking structure of a water sprinkler for submarine power cable burying according to the present invention.
In the figure: the device comprises a front beam 1, a lifting oil cylinder 2, a connecting frame 3, a water inlet 4, a first water delivery pipe 5, a first submersible motor 6, a driving wheel 7, a transmission chain 8, a crawler 9, a traveling wheel 10, a driven wheel 11, a vertical frame 12, a submersible pump 13, a second water delivery pipe 14, a water spray coulter 15, a first sliding sleeve 16, a first limiting rod 17, a locking oil cylinder 18, a first fixing frame 19, a first pushing oil cylinder 20, a rear beam 21, a middle beam 22, a water distribution pipe 23, a branch pipe 24, a high-pressure nozzle 25, an arc-shaped guide rail frame 26, a second sliding sleeve 27, a second limiting rod 28, a second fixing frame 29, an inclined guide plate 30, a digging cutter 31, a second submersible motor 32, a rotating sleeve 33, a third submersible motor 34, a connecting beam 35, a second pushing oil cylinder 36, a supporting rod 37 and a connecting rod 38.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a water spraying device for burying a submarine power cable comprises a frame, the frame comprises a front beam 1, a rear beam 21 and two middle beams, the two middle beams 22 are connected between the front beam 1 and the rear beam 21, the two middle beams 22 are symmetrically arranged, the lower ends of the two middle beams 22 at two sides are respectively connected with a traveling mechanism, two sides of the lower end of the rear beam 21 are respectively fixedly connected with a second fixing frame 29, a second limiting rod 28 is connected between the two second fixing frames 29, the second limiting rod 28 is sleeved with two second sliding sleeves 27 in a sliding manner, the two second sliding sleeves 27 are respectively connected with a connecting rod 38, the two connecting rods 38 are respectively connected with a water spraying coulter 15, an interval adjusting mechanism is connected between the two water spraying coulters 15, the upper parts of the front ends of the two water spraying coulters 15 are respectively connected with a depth adjusting mechanism, the front ends of the two water spraying coulters 15 are connected with an excavating mechanism, the lower end of the connecting beam 35 is connected with two water supply mechanisms, and the two water supply mechanisms are connected with the two water spray coulters 15.
According to the invention, the walking mechanism comprises a side vertical frame 12 arranged at the lower end of a middle beam 22, a plurality of walking wheels 10 are connected to the side vertical frame 12, the walking wheels 10 are connected through a crawler 9, driven wheels 11 are fixedly connected to the axles of the walking wheels 10, a first submersible motor 6 is arranged on the side wall of the side vertical frame 12, a driving wheel 7 is fixedly connected to the tail end of an output shaft of the first submersible motor 6, the driving wheel 7 is in transmission connection with the driven wheels 11 through a transmission chain 8, the first submersible motor 6 is started, the crawler 9 is driven to rotate, and the device can continuously advance to complete burying operation.
Specifically, the distance adjusting mechanism rotates a rotating sleeve 33 sleeved in the middle of the second limiting rod 28, a second pushing oil cylinder 36 is fixedly mounted on the side wall of the rotating sleeve 33, the telescopic end of the second pushing oil cylinder 36 is rotatably connected with two support rods 37, one ends of the two support rods 37, far away from the second pushing oil cylinder 36, are respectively rotatably connected to the two water spraying coulters 15, the second pushing oil cylinder 36 is started to extend or shorten, the two support rods 37 are driven to rotate, the distance between the two water spraying coulters 15 can be adjusted, and the use is more flexible and convenient.
Specifically, the depth adjusting mechanism comprises two first pushing cylinders 20 respectively rotatably connected to the front sides of the lower ends of two middle beams 22, the upper ends of the two water spraying coulters 15 are both fixedly connected with a first sliding sleeve 16, the first sliding sleeve 16 is provided with a locking structure, the lower ends of the two middle beams 22 are both fixedly connected with two arc-shaped guide rail frames 26, a first limiting rod 17 is connected between the telescopic ends of the two first pushing cylinders 20, the telescopic end of the first pushing cylinder 20 is rotatably connected with the end part of the first limiting rod 17, the first limiting rod 17 penetrates through the first sliding sleeve 16 and the arc-shaped guide rail frames 26, the first sliding sleeve 16 is slidably sleeved on the first limiting rod 17, the first limiting rod 17 is slidably connected to the inner side of the arc-shaped guide rail frames 26, the first pushing cylinder 20 is started to drive the first limiting rod 17 to move along the arc-shaped guide rail frames 26, so as to drive the water spraying coulters 15 to rotate, and realize buried depth adjustment, the use is convenient.
Specifically, excavation mechanism is including two oblique baffle 30 that rotate the connection, two oblique baffle 30 rotate respectively and connect at two water spray coulters 15 front ends, be equipped with the tunnelling piece on oblique baffle 30, tunnelling the piece including installing the second dive motor 32 in oblique baffle 30 upper end, the output shaft of second dive motor 32 extends to oblique baffle 30 below and fixedly connected with digger 31, start second dive motor 32, drive digger 31 rotates, can be when the device gos forward, it tunnels, realize the water injection, the multitool tunnelling combines together, and then reduce silt resistance, the operating efficiency is higher.
Specifically, water supply mechanism includes first mount 19 of fixed connection at tie-beam 35 lower extreme, immersible pump 13 is installed to first mount 19's lower extreme, install third dive motor 34 on the immersible pump 13, back beam 21 upper end is equipped with the structure of intaking of being connected with immersible pump 13, the structure of intaking is including installing lift cylinder 2 on back beam 21, lift cylinder 2's flexible end is connected with link 3, be connected with water inlet 4 on the link 3, be connected with first raceway 5 on water inlet 4, first raceway 5 is connected on the input of immersible pump 13, through lift cylinder 2, the height of adjustable water inlet 4, and then all usable under the environment of different depth of water, and can adjust water inlet 4 positions, guarantee the cleanness of intaking, and then the steady operation of protection immersible pump 13.
Specifically, the locking structure includes a locking oil cylinder 18 installed at the upper end of the first sliding sleeve 16, a locking hole matched with the locking oil cylinder 18 is formed in the first limiting rod 17, the telescopic end of the locking oil cylinder 18 penetrates through the first sliding sleeve 16 and extends into the locking hole, and a plurality of locking holes can be arranged at equal intervals.
Specifically, a water distribution pipe 23 is arranged on the water spray coulter 15, a plurality of branch pipes 24 are connected to the water distribution pipe 23, high-pressure nozzles 25 are connected to the branch pipes 24, a second water delivery pipe 14 is connected to the water distribution pipe 23, and the second water delivery pipe 14 is connected to the output end of the submersible pump 13.
When the device is used, the second submersible motor 32 is started to drive the digging cutter 31 to rotate, so that tunneling can be performed when the device moves forward, the combination of water spraying and multi-cutter tunneling is realized, the silt resistance is further reduced, the operation efficiency is higher, the height of the water inlet 4 can be adjusted through the lifting oil cylinder 2, the device can be used in environments with different water depths, the position of the water inlet 4 can be adjusted, the cleanness of inlet water is guaranteed, the submersible pump 13 is protected to stably operate, water is pumped into the water distribution pipe 23 on the water spraying coulter 15 through the submersible pump 13, high-pressure water flow impact is sprayed out through the high-pressure nozzle 25, water supply is continuous and efficient, the excavation of a groove for cable embedding is more stable and efficient, the first submersible motor 6 is started to drive the crawler belt 9 to rotate, and the device can continuously move forward to complete embedding.
The distance between the two water spraying coulters 15 can be adjusted according to the requirement of the embedding width, the second pushing oil cylinder 36 is started to extend or shorten to drive the two support rods 37 to rotate, so that the two water spraying coulters 15 can be driven to move along the first limiting rod 17, the distance between the two water spraying coulters 15 is adjusted, the locking oil cylinder 18 is started, the first sliding sleeve 16 is fixed on the first limiting rod 17, and the water spraying coulter 15 can be fixed, so that the use is more flexible and convenient.
Meanwhile, the first pushing oil cylinder 20 can be started according to the requirement of the embedding depth, the first limiting rod 17 is driven to move along the arc-shaped guide rail frame 26, the water spraying coulter 15 can be driven to rotate, the downward probing depth of the water spraying coulter 15 is further adjusted, the working angle of the water spraying coulter 15 is adjusted, the embedding depth is adjusted, and the use is convenient and fast.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. The water spraying device for burying the submarine power cable is characterized by comprising a rack, wherein the rack comprises a front beam (1), a rear beam (21) and two middle beams, the two middle beams (22) are connected between the front beam (1) and the rear beam (21), the two middle beams (22) are symmetrically arranged, the lower ends of the two middle beams (22) positioned at two sides are respectively connected with a traveling mechanism, both sides of the lower end of the rear beam (21) are respectively and fixedly connected with a second fixing frame (29), a second limiting rod (28) is connected between the two second fixing frames (29), the second limiting rod (28) is sleeved with two second sliding sleeves (27) in a sliding manner, the two second sliding sleeves (27) are respectively connected with a connecting rod (38), the two connecting rods (38) are respectively connected with a plough coulter (15), and a distance adjusting mechanism is connected between the two plough coulters (15), the upper parts of the front ends of the two water spraying coulters (15) are both connected with a depth adjusting mechanism, the front ends of the two water spraying coulters (15) are connected with an excavating mechanism, a connecting beam (35) is connected between the two middle beams (22), the lower end of the connecting beam (35) is connected with two water supply mechanisms, and the two water supply mechanisms are connected with the two water spray coulters (15), the travelling mechanism comprises a side vertical frame (12) arranged at the lower end of the middle beam (22), a plurality of walking wheels (10) are connected on the side vertical frame (12), the walking wheels (10) are connected through a crawler belt (9), a driven wheel (11) is fixedly connected to a wheel shaft of the travelling wheel (10), a first submersible motor (6) is installed on the side wall of the side vertical frame (12), the tail end of the output shaft of the first submersible motor (6) is fixedly connected with a driving wheel (7), the driving wheel (7) is in transmission connection with the driven wheel (11) through a transmission chain (8); the distance adjusting mechanism rotates a rotating sleeve (33) sleeved at the middle part of a second limiting rod (28), a second pushing oil cylinder (36) is fixedly mounted on the side wall of the rotating sleeve (33), the telescopic end of the second pushing oil cylinder (36) is rotatably connected with two supporting rods (37), and one ends, far away from the second pushing oil cylinder (36), of the supporting rods (37) are respectively rotatably connected to two water spraying coulters (15).
2. The water spraying device for burying the submarine power cable according to claim 1, wherein the depth adjusting mechanism comprises two first pushing cylinders (20) rotatably connected to the front sides of the lower ends of two middle beams (22), the upper ends of the two water spraying coulters (15) are fixedly connected with first sliding sleeves (16), the first sliding sleeves (16) are provided with locking structures, the lower ends of the two middle beams (22) are fixedly connected with two arc-shaped guide rail frames (26), a first limiting rod (17) is connected between the telescopic ends of the two first pushing cylinders (20), the telescopic end of each first pushing cylinder (20) is rotatably connected with the end of the first limiting rod (17), the first limiting rod (17) penetrates through the first sliding sleeves (16) and the arc-shaped guide rail frames (26), the first sliding sleeves (16) are slidably sleeved on the first limiting rod (17), the first limiting rod (17) is connected to the inner side of the arc-shaped guide rail frame (26) in a sliding mode.
3. A water jet apparatus for submarine power cable burying according to any one of claims 1-2, wherein said digging mechanism comprises two rotatably connected inclined guide plates (30), said two inclined guide plates (30) being rotatably connected to the front ends of two water jet coulters (15), respectively, said inclined guide plates (30) being provided with a digging part, said digging part comprising a second submersible motor (32) mounted on the upper end of the inclined guide plates (30), the output shaft of said second submersible motor (32) extending below the inclined guide plates (30) and fixedly connected with a digging cutter (31).
4. A water spraying device for submarine power cable burying according to claim 1, wherein the water supply mechanism comprises a first fixing frame (19) fixedly connected to the lower end of the connecting beam (35), a submersible pump (13) is mounted at the lower end of the first fixing frame (19), a third submersible motor (34) is mounted on the submersible pump (13), and a water inlet structure connected with the submersible pump (13) is arranged at the upper end of the rear beam (21).
5. A water spraying device for burying a submarine power cable according to claim 2, wherein the locking structure comprises a locking cylinder (18) mounted on the upper end of the first sliding sleeve (16), the first limiting rod (17) is provided with a locking hole matched with the locking cylinder (18), the telescopic end of the locking cylinder (18) penetrates through the first sliding sleeve (16) and extends into the locking hole, and the locking holes are arranged in plurality at equal intervals.
6. A water jet apparatus for submarine power cable burying according to claim 4, wherein the water jet coulter (15) is provided with a water diversion pipe (23), the water diversion pipe (23) is connected with a plurality of branch pipes (24), the branch pipes (24) are connected with high pressure nozzles (25), the water diversion pipe (23) is connected with a second water pipe (14), and the second water pipe (14) is connected with the output end of the submersible pump (13).
7. A water spraying device for submarine power cable burying according to claim 4, wherein the water inlet structure comprises a lift cylinder (2) mounted on a back beam (21), the telescopic end of the lift cylinder (2) is connected with a connecting frame (3), a water inlet (4) is connected on the connecting frame (3), a first water pipe (5) is connected on the water inlet (4), and the first water pipe (5) is connected on the input end of a submersible pump (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010073375.6A CN111082367B (en) | 2020-01-22 | 2020-01-22 | Water spraying device for burying submarine power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010073375.6A CN111082367B (en) | 2020-01-22 | 2020-01-22 | Water spraying device for burying submarine power cable |
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| Publication Number | Publication Date |
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| CN111082367A CN111082367A (en) | 2020-04-28 |
| CN111082367B true CN111082367B (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010073375.6A Active CN111082367B (en) | 2020-01-22 | 2020-01-22 | Water spraying device for burying submarine power cable |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2504694C3 (en) * | 1975-02-05 | 1978-08-03 | O & K Orenstein & Koppel Ag Werk Luebeck, 2400 Luebeck | Self-propelled recording device for recording minerals lying on the seabed |
| CN2279051Y (en) * | 1996-09-06 | 1998-04-22 | 赵强 | Adjustable connection frame of agriculture implement |
| GB9808370D0 (en) * | 1998-04-21 | 1998-06-17 | Soil Machine Dynamics Ltd | Submarine trenching vehicle and method |
| CN2845255Y (en) * | 2005-11-25 | 2006-12-06 | 中国人民解放军海军通信应用研究所 | Jet ploughing device for submarine cables laying system |
| CN202042831U (en) * | 2011-06-02 | 2011-11-16 | 浙江省电力公司舟山电力局 | Water jet device buried for undersea electric power cables |
| CN204905776U (en) * | 2015-03-24 | 2015-12-23 | 天津恒泰国际海洋工程有限公司 | Under put opening door submarine cable burying machine |
| CN105993345A (en) * | 2016-07-19 | 2016-10-12 | 广西壮族自治区农业机械研究院 | Variable-pitch double-row trencher |
| CN208476915U (en) * | 2018-08-01 | 2019-02-05 | 长江水利委员会长江科学院 | A kind of smart water quality monitoring instrument suitable for various depth of water ranges |
| CN109616980B (en) * | 2018-12-14 | 2020-07-28 | 国网内蒙古东部电力有限公司赤峰供电公司 | Underground electric wire is with cable laying equipment that has automatic unwrapping wire and function of breaking ground |
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Effective date of registration: 20201223 Address after: Room 235, No.22, Changcheng street, Shiqiao Road, Xiacheng District, Hangzhou City, Zhejiang Province Applicant after: Zhejiang Nongchaoer Wisdom Technology Co.,Ltd. Address before: 210000 Southeast University, No. 2, Four Pailou, Xuanwu District, Nanjing, Jiangsu Province Applicant before: Zhang Hongmei |
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