阅读说明：本技术 一种用于海底电缆铺设的埋设犁机构 (A bury underground plough mechanism for submarine cable lays ) 是由 常兵 于 2021-09-07 设计创作，主要内容包括：本发明涉及海底电缆铺设设备技术领域,且公开了一种用于海底电缆铺设的埋设犁机构,包括第一固定支架,所述第一固定支架的顶端固定安装有驱动机构,所述驱动机构的输出轴上固定安装有埋设犁刀,且埋设犁刀的底端贯穿并延伸至第一固定支架一侧的底部,所述第一固定支架的底端固定安装有固定连杆,所述第二固定支架的顶端固定安装有推进装置。该用于海底电缆铺设的埋设犁机构,对于限位套管内壁结构的设置,使得其中一部分的海底淤泥可以经由出泥端口排出而对于埋设好的电缆进行自动地掩埋作业；而其中另一部分的海底淤泥可以经由其上的泄流槽而排出,进而防止淤泥过多而对该埋设犁机构造成阻塞的现象。(The invention relates to the technical field of submarine cable laying equipment, and discloses an embedded plough mechanism for submarine cable laying, which comprises a first fixed support, wherein a driving mechanism is fixedly mounted at the top end of the first fixed support, an embedded coulter is fixedly mounted on an output shaft of the driving mechanism, the bottom end of the embedded coulter penetrates through and extends to the bottom of one side of the first fixed support, a fixed connecting rod is fixedly mounted at the bottom end of the first fixed support, and a propelling device is fixedly mounted at the top end of a second fixed support. The burying plow mechanism for laying the submarine cable is characterized in that the inner wall structure of the limiting sleeve is arranged, so that a part of submarine sludge can be discharged through the sludge outlet to automatically bury the buried cable; and the other part of the seabed sludge can be discharged through the discharge chute on the seabed sludge, thereby preventing the phenomenon that the burying plough mechanism is blocked due to excessive sludge.)

1. The utility model provides a bury plough mechanism underground for submarine cable lays, includes first fixed bolster (1), the top fixed mounting of first fixed bolster (1) has actuating mechanism (2), fixed mounting buries coulter (3) underground on the output shaft of actuating mechanism (2), and buries the bottom of coulter (3) underground and run through and extend to the bottom of first fixed bolster (1) one side, the bottom fixed mounting of first fixed bolster (1) has fixed connecting rod (4), second fixed bolster (5), its characterized in that have been cup jointed in the activity respectively at the both ends of fixed connecting rod (4): the device is characterized in that a propelling device (6) is fixedly mounted at the top end of the second fixed support (5), a balance sleeve (7) is fixedly mounted at the bottom end of the second fixed support (5), a gravity slide rod (8) is movably sleeved in the middle of an inner cavity of the balance sleeve (7), one side of the inner cavity of the balance sleeve (7) is communicated with a control device (10) fixedly mounted on one side of the top end of the first fixed support (1) through an adjusting pipeline (9), the other side of the inner cavity of the balance sleeve (7) is communicated with the control device (10) on one side of the top end of the first fixed support (1) through another group of adjusting pipelines (9), and a limiting sleeve (11) is fixedly mounted on one side of the bottom end of the second fixed support (5) and located below the balance sleeve (7).

2. A buried plow mechanism for submarine cable laying according to claim 1, wherein: the length of the balance sleeve (7) is greater than that of the limit sleeve (11), the extending lengths between the two ends of the balance sleeve are equal, and meanwhile, the gravity slide rod (8) is located in the middle of the inner cavity of the balance sleeve (7) in the initial state.

3. A buried plow mechanism for submarine cable laying according to claim 2, wherein: one side of the bottom end of the first fixing support (1) is fixedly provided with a balance air bag (12) for regulating and controlling the balance state of the first fixing support (1) in seawater.

4. A buried plow mechanism for submarine cable laying according to claim 1, wherein: one end of the limiting sleeve (11) is provided with a mud inlet port (13) which is arranged above the outer side, and the other end of the limiting sleeve is provided with a mud outlet port (14) which is arranged below the inner side.

5. A burying plow mechanism for submarine cable laying according to claim 4 wherein: the inner wall of the limiting sleeve (11) is of an arc-shaped curved surface structure inclined towards the mud outlet (14), and the other end of the limiting sleeve is provided with a drainage groove communicated to the outside.

Technical Field

The invention relates to the technical field of submarine cable laying equipment, in particular to an embedded plough mechanism for laying submarine cables.

Background

The submarine cable is used as a reliable, safe and effective technical means for connecting cities, continents and islands, even international power transmission and communication trunk lines, but the submarine cable is difficult to lay due to complex and severe ecological environment of the seabed, so that a cable burying plow is provided in the prior technical means, and a channel for burying the cable is plowed in the seabed in a dragging manner, thereby realizing the laying operation of the submarine cable.

However, in the process of arranging a groove and burying a cable in a complex seabed environment, the conventional cable burying plough equipment is easy to be influenced by seabed ocean currents to generate a deviation phenomenon, so that in the process of laying the cable in a long distance, the preset length of the submarine cable is increased, the probability of collision between the submarine cable and submarine stones is increased by the burying plough deviating from the preset track, and great potential safety hazards exist;

the external navigation system is adopted to carry out real-time positioning adjustment on the embedded plough so as to correct the advancing track of the embedded plough, and the working environment of the embedded plough is in the deep sea field, so that the transmission intensity of signals is weak, the embedded plough is difficult to accurately correct and adjust, and the problem of deviation of the preset track still exists.

Therefore, there is a need for an embedded plow mechanism for laying submarine cables, which solves the drawbacks of the existing embedded plow.

Disclosure of Invention

Technical problem to be solved

The invention provides an embedding plough mechanism for laying submarine cables, which has the advantages of effectively avoiding the phenomenon that the embedding plough mechanism deviates under the impulsive force of submarine ocean currents, having higher track accuracy of cable embedding and higher safety performance, and being capable of automatically burying laid cables.

(II) technical scheme

The invention provides the following technical scheme: an embedded plough mechanism for laying submarine cables comprises a first fixed support, wherein a driving mechanism is fixedly mounted at the top end of the first fixed support, an embedded plough coulter is fixedly mounted on an output shaft of the driving mechanism, the bottom end of the embedded plough coulter penetrates through and extends to the bottom of one side of the first fixed support, a fixed connecting rod is fixedly mounted at the bottom end of the first fixed support, a second fixed support is movably sleeved at two ends of the fixed connecting rod respectively, a propelling device is fixedly mounted at the top end of the second fixed support, a balance sleeve is fixedly mounted at the bottom end of the second fixed support, a gravity slide rod is movably sleeved in the middle of an inner cavity of the balance sleeve, one side of the inner cavity of the balance sleeve is communicated with a control device fixedly mounted at one side of the top end of the first fixed support through an adjusting pipeline, and the other side of the inner cavity of the balance sleeve is communicated with a control device at one side of the top end of the first fixed support through another adjusting pipeline, and one side of the bottom end of the second fixed support is fixedly provided with a limiting sleeve which is positioned below the balance sleeve.

Preferably, the length of the balance sleeve is greater than that of the limit sleeve, the extending lengths of the two ends of the balance sleeve are equal, and meanwhile, the gravity slide rod is located in the middle of the inner cavity of the balance sleeve in the initial state.

Preferably, a balance air bag is fixedly installed on one side of the bottom end of the first fixing support and used for regulating and controlling the balance state of the first fixing support in seawater.

Preferably, one end of the limiting sleeve is provided with a mud inlet port towards the upper side of the outer side, and the other end of the limiting sleeve is provided with a mud outlet port towards the lower side of the inner side.

Preferably, the inner wall of the limit sleeve is an arc-shaped curved surface structure inclined towards the mud outlet, and the other end of the limit sleeve is provided with a drainage groove communicated to the outside.

(III) advantageous effects

The invention has the following beneficial effects:

1. the embedded plough mechanism for laying the submarine cables is characterized in that the balance sleeve is arranged and matched with a gravity slide rod on the balance sleeve, the gravity slide rod moves under the action of the gravity slide rod to change the gravity center position of the balance sleeve, so that the second fixed support and a structure on the second fixed support are inclined in the corresponding direction, the limiting sleeve on the second fixed support is driven to be inclined and go deep into the submarine sludge, the embedded plough mechanism is not easy to be influenced by submarine ocean currents and deviate from a preset track, or the embedded plough mechanism is inclined to be separated from the submarine sludge, the embedded plough mechanism is high in track precision of cable laying, and the embedded plough mechanism has high safety and reliability.

2. The burying plow mechanism for laying the submarine cable is characterized in that the inner wall structure of the limiting sleeve is arranged, so that a part of submarine sludge can be discharged through the sludge outlet to automatically bury the buried cable; and the other part of the seabed sludge can be discharged through the discharge chute on the seabed sludge, thereby preventing the phenomenon that the burying plough mechanism is blocked due to excessive sludge.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a partial side view of the structure of the present invention;

FIG. 4 is a schematic view of a spacing sleeve according to the present invention;

fig. 5 is a front view of a structural position limiting sleeve of the present invention.

In the figure: 1. a first fixed bracket; 2. a drive mechanism; 3. burying a coulter; 4. fixing the connecting rod; 5. a second fixed bracket; 6. a propulsion device; 7. a balance sleeve; 8. a gravity slide bar; 9. adjusting the pipeline; 10. a control device; 11. a limiting sleeve; 12. a balancing air bag; 13. a mud inlet port; 14. and a mud outlet.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, an embedded plow mechanism for submarine cable laying comprises a first fixing support 1, a driving mechanism 2 is fixedly installed at the top end of the first fixing support 1, an embedded coulter 3 is fixedly installed on an output shaft of the driving mechanism 2, the driving mechanism 2 is arranged to adjust the rotation angle of the embedded coulter 3 on the output shaft, so as to regulate the depth of a cable embedding groove formed in the driving mechanism, the bottom end of the embedded coulter 3 penetrates through and extends to the bottom of one side of the first fixing support 1, the outer portion of the embedded coulter 3 is of an arc-shaped curved surface structure, a high-pressure nozzle is arranged on the outer portion of the embedded coulter and used for forming a groove for embedding a cable in the seabed in a high-pressure water flow spraying manner, a fixing connecting rod 4 is fixedly installed at the bottom end of the first fixing support 1, wherein the fixing connecting rod 4 is arranged so that relative rotation between the first fixing support 1 and a second fixing support 5 installed on the fixing support can occur, in order to adjust the working state of the burying plough mechanism, whether the burying plough mechanism is in an inclined downward state or an inclined upward state in the silt at the sea bottom, two ends of a fixed connecting rod 4 are respectively movably sleeved with a second fixed support 5, the top end of the second fixed support 5 is fixedly provided with a propulsion device 6, the bottom end of the second fixed support 5 is fixedly provided with a balance sleeve 7, the middle part of the inner cavity of the balance sleeve 7 is movably sleeved with a gravity slide bar 8, two ends of the gravity slide bar 8 are provided with rubber sealing spacers, so that the gravity slide bar and the inner wall of the balance sleeve 7 can perform relative sliding motion in the inner cavity of the balance sleeve 7 while forming sealing, as shown in figure 2, one side of the inner cavity of the balance sleeve 7 is communicated with a control device 10 fixedly arranged on one side of the top end of a first fixed support 1 through an adjusting pipeline 9, the adjusting pipeline 9 is of a flexible high-pressure pipeline structure, the other side of the inner cavity of the balance sleeve 7 is communicated with a control device 10 at one side of the top end of the first fixed support 1 through another group of adjusting pipelines 9, and one side of the bottom end of the second fixed support 5 is fixedly provided with a limit sleeve 11 which is positioned below the balance sleeve 7.

In the technical scheme, the length of the balance sleeve 7 is greater than that of the limit sleeve 11, the extending lengths between the two ends of the balance sleeve are equal, and meanwhile, the gravity slide rod 8 is positioned in the middle of the inner cavity of the balance sleeve 7 in an initial state.

The arrangement of the balance sleeve 7 is matched with the gravity slide rod 8 on the balance sleeve, and the water pressure between two sides of the inner cavity of the balance sleeve 7 is changed to control the gravity slide rod 8 to move back and forth in the inner cavity of the balance sleeve 7, so that the gravity center position on the balance sleeve is changed, the second fixing support 5 and the structure on the second fixing support are inclined, and the limiting sleeve 11 on the second fixing support is driven to be inclined to deeply penetrate into the seabed sludge or to be inclined to separate from the seabed sludge.

As shown in fig. 3, in the present technical solution, a balance airbag 12 is fixedly installed at one side of the bottom end of the first fixing support 1 for regulating and controlling the balance state of the first fixing support 1 in seawater, so that the embedded plow mechanism is not prone to tilt and roll in the releasing and recovering processes.

The balance air bag 12 is provided with a valve structure inside for adjusting the filling amount of water inside to change the buoyancy effect of seawater on the first fixing support 1, so that the buoyancy of the embedded plough mechanism can be flexibly changed according to the load state of the embedded plough mechanism to effectively keep the balance state.

As shown in fig. 4, in the present embodiment, one end of the limiting sleeve 11 is provided with a mud inlet 13 facing outward and upward, and the other end is provided with a mud outlet 14 facing inward and downward.

The limiting sleeve 11 and the upper structure thereof are arranged, so that the embedded plough mechanism can penetrate into the seabed sludge under the action of the gravity slide bar 8 to fix the seabed sludge, the phenomenon that the embedded plough mechanism deviates in the advancing process under the action of seabed ocean current is avoided, cables can be embedded according to a preset track, and the stability and the reliability are high.

As shown in fig. 5, in the present embodiment, the inner wall of the limiting sleeve 11 is an arc-shaped curved surface structure inclined toward the mud outlet 14, and the other end thereof is provided with a drainage groove communicated to the outside.

The arrangement of the inner wall structure of the limiting sleeve 11 enables a part of seabed sludge in the limiting sleeve to be discharged through the sludge outlet 14 so as to bury the buried cable; and the other part of the seabed sludge can be discharged through the discharge chute on the seabed sludge, thereby preventing the phenomenon that the burying plough mechanism is blocked due to excessive sludge.

With regard to the arrangement of the structure on the second fixed support 5, when the second fixed support 5 and the structure thereon are inclined in the corresponding direction by changing the gravity center of the balance sleeve 7, the limit sleeve 11 can be driven into or out of the silt at the sea bottom, and the throwing and recovering operation of the embedded plough in the sea can be realized along with the inclination of the limit sleeve 11 and the pushing action of the pushing device 6.

The use method and the working principle of the embodiment are as follows:

firstly, a cable to be buried penetrates through the interior of a buried coulter 3, a route along which the cable needs to travel is set, then the buried coulter mechanism is thrown into the initial seabed of the laid cable, then a driving mechanism 2 is started to drive the buried coulter 3 to rotate, a high-pressure nozzle on the buried coulter 3 is opened at the same time, so that the buried coulter 3 can penetrate into the sludge on the seabed, then the water pressure between the front side and the rear side of the inner cavity of a balance sleeve 7 is controlled through a control device 10, a gravity slide rod 8 on the balance sleeve 7 moves to the left side, the gravity center of the balance sleeve 7 is changed, a second fixed support 5 and a structure on the second fixed support are driven to tilt downwards under the action of a fixed connecting rod 4, then a propelling device 6 is started and drives the buried coulter mechanism to advance along the set track under the action of a control system, and simultaneously, a limiting sleeve 11 in the tilted state is gradually inserted into the sludge on the seabed, then, the gravity center of the balance sleeve 7 is changed again through the gravity slide rod 8, so that the balance sleeve is restored to the initial position, the second fixing support 5 and the structure on the second fixing support are gradually restored to a relatively horizontal state, and the limit sleeve 11 is ensured to be always kept in the sludge on the seabed, so that the impact influence of seabed ocean current on the burying plough mechanism is effectively reduced;

meanwhile, under the action of the mud outlet 14 in the limiting sleeve 11, the mud penetrating through the inner cavity of the limiting sleeve 11 can automatically bury the buried cable to protect the laid cable in time, and after the submarine cable of the section is laid, the water pressure between two sides of the inner cavity of the balancing sleeve 7 is adjusted again, so that the gravity slide rod 8 on the gravity slide rod moves towards the right side to change the center of the balancing sleeve 7, the structure on the gravity slide rod tilts upwards, and the limiting sleeve 11 is separated from the mud on the seabed under the pushing action of the pushing device 6, so that the laying operation of the section of cable is finished.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.