A strong cutting submarine cable deep - water burial plow and its plow blade mechanism

Abstract

The present invention discloses a strong-cutting submarine cable deep burial plow and its plow blade mechanism. Among them, the plow blade mechanism includes a plow blade frame, a first plow blade, a second plow blade, a first share and a second share. The plow blade frame has a mounting part, and the mounting part includes a first straight inclined section and a second straight inclined section, and the first straight inclined section and the second straight inclined section are staggered from each other; the first plow blade is installed on the first straight inclined section of the mounting part, and the second plow blade is installed on the second straight inclined section of the mounting part; the first share is arranged at the bottom of the first plow blade, the first share is located on the adjacent side of the first plow blade and the second plow blade, the second share is arranged at the bottom of the second plow blade, and the second share is located on the other side opposite to the adjacent side of the first plow blade and the second plow blade. The present invention can reduce the resistance of the plow blade to break the soil, so that the digging depth of the submarine trench increases.

Description

Technical Field

[0001] The present invention relates to the technical field of submarine cable burial equipment, and particularly relates to a strong cutting submarine cable deep burial plow and its plow blade mechanism. Background Art

[0002] The burial plow is used for laying submarine cables, and generally includes a frame, a plow blade mechanism, a cable guiding mechanism, a cable limiting mechanism and a control system; among them, the plow blade mechanism includes a plow blade frame and a plow blade, the plow blade is arranged on the plow blade frame, and the plow blade frame is installed on the frame; the cable guiding mechanism includes a cable guiding cage, a cable guiding support and a cable guiding groove, the cable guiding groove is arranged on the plow blade mechanism, usually on the plow blade frame, the cable guiding cage and the cable guiding support are sequentially arranged on the frame, the cable guiding support is located between the cable guiding cage and the cable guiding groove, and the cable is buried in the groove dug by the plow blade after passing through the cable guiding cage, the cable guiding support and the cable guiding groove in sequence; the cable limiting mechanism includes a driving member and a limiter, the limiter is hinged to the frame, the driving member is connected to the limiter and drives it to swing, and the limiter is used to limit the cable from deviating from the cable guiding groove; the control system is used to control the operation of the burial plow.

[0003] In the prior art, the plow blade of the plow blade mechanism is set as an inclined straight line type, that is, an inclined straight installation part is formed on the plow blade frame, the plow blade is fixed on the straight installation part of the straight plow blade frame, the plow blade forms an acute angle with the advancing direction of the burial plow, a water spraying port is arranged on the plow blade, and a plowshare is arranged at the bottom of the plow blade, that is, the end close to the seabed soil, to break the soil. Since the plow blade is set as an inclined straight line, the resistance of the plow blade to break the soil is large, and the depth of the dug groove is limited; on the other hand, the water spraying direction of the water spraying port of the plow blade is single, and the effect of liquefying the soil is affected. Summary of the Invention

[0004] The present invention aims to at least solve one of the technical problems in the above technologies to some extent. For this purpose, an object of the present invention is to provide a plow blade mechanism of a strong cutting submarine cable deep burial plow to reduce the resistance of the plow blade to break the soil and increase the depth of the dug submarine groove.

[0005] Another object of the present invention is to provide a strong cutting submarine cable deep burial plow.

[0006] To achieve the above object, a plow blade mechanism of a strong cutting submarine cable deep burial plow according to an embodiment of the first aspect of the present invention includes:

[0007] A plow blade frame, the plow blade frame has an installation part, the installation part includes a first straight inclined section and a second straight inclined section, and the first straight inclined section and the second straight inclined section are staggered from each other;

[0008] A first plow blade and a second plow blade, the first plow blade is installed on the first straight inclined section of the installation part, and the second plow blade is installed on the second straight inclined section of the installation part;

[0009] The first plowshare and the second plowshare, the first plowshare is arranged at the bottom of the first plow blade, the first plowshare is located at the adjacent side of the first plow blade and the second plow blade, the second plowshare is arranged at the bottom of the second plow blade, and the second plowshare is located at the other side opposite to the adjacent side of the first plow blade and the second plow blade.

[0010] For the plow blade mechanism of a strong cutting submarine cable deep burial plow according to an embodiment of the present invention, since the first plow blade and the second plow blade are inclined, and the first plowshare is provided at the bottom of the first plow blade, and the second plowshare is provided at the bottom of the second plow blade, the first plowshare and the second plowshare are used for breaking the soil, so that the resistance of the plow blade to break the soil is small, and the depth of the trench dug is increased; on the other hand, the spraying directions of the water spraying ports of the plow blade are diverse, that is, water spraying ports can be respectively arranged on the first plow blade and the second plow blade, and a water spraying port is arranged between the first plow blade and the second plow blade, so that the effect of liquefying the soil is enhanced; at the same time, the plow blade is set as the first plow blade and the second plow blade, compared with a straight plow blade, the volume of the plow blade is reduced.

[0011] In addition, for the plow blade mechanism of a strong cutting submarine cable deep burial plow proposed according to the above embodiment of the present invention, the following additional technical features may also be included:

[0012] Optionally, the first plow blade and the second plow blade are respectively arranged at an acute angle with the advancing direction of the burial plow.

[0013] Specifically, the first plow blade and the second plow blade are arranged parallel to each other.

[0014] Optionally, the installation part of the plow blade frame further includes an intermediate connection section connecting the bottom of the first straight inclined section and the top of the second straight inclined section.

[0015] Specifically, the intermediate connection section is arranged horizontally.

[0016] Specifically, the installation part is located at the soil-breaking end of the plow blade frame, and the installation part is integrally in an inclined Z shape.

[0017] Optionally, the first plowshare and the second plowshare are respectively swingably connected to the plow blade frame.

[0018] Optionally, a cable guiding groove for the submarine cable to pass through is formed in the plow blade frame, the plow blade frame is formed by connecting two side plates, and the cable guiding groove is formed between the two side plates.

[0019] Optionally, a stabilizing seat is provided at the bottom of the plow blade frame, and inclined guide surfaces are respectively provided on both sides of the stabilizing seat along the advancing direction of the burial plow.

[0020] In the second aspect of the embodiments of the present invention, a strong cutting deep - sea cable burial plow is proposed, which includes the above - mentioned plow blade mechanism. Since the first plow blade and the second plow blade are inclined, and the bottom of the first plow blade is provided with a first plowshare, and the bottom of the second plow blade is provided with a second plowshare, the first plowshare and the second plowshare are used for breaking soil, which reduces the resistance of the plow blade to break soil and increases the depth of the trench dug; on the other hand, it makes the water - spraying direction of the plow - blade water - spraying port diverse. That is, water - spraying ports can be respectively arranged on the first plow blade and the second plow blade, and a water - spraying port can be arranged between the first plow blade and the second plow blade, which enhances the effect of liquefying the soil; at the same time, the plow blade is set as the first plow blade and the second plow blade, which reduces the volume of the plow blade compared with the straight - line plow blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three - dimensional combined schematic diagram of the plow blade mechanism according to the embodiment of the present invention;

[0022] Figure 2 It is another three - dimensional combined schematic diagram of the plow blade mechanism according to the embodiment of the present invention from another angle;

[0023] Figure 3 It is a side view of the plow blade mechanism according to the embodiment of the present invention;

[0024] Figure 4 It is a top view of the plow blade mechanism according to the embodiment of the present invention;

[0025] Figure 5 It is a structural schematic diagram of the burial plow according to the embodiment of the present invention.

[0026] LABEL DESCRIPTION

[0027] Plow blade mechanism 10, plow blade frame 1, installation part 11, first straight inclined section 111, second straight inclined section 112, intermediate connection section 113, cable guide groove 12, stable seat 13, inclined guide surface 131, first plow blade 2, second plow blade 3, first plowshare 4, second plowshare 5; frame 20, submarine cable guiding mechanism 30, submarine cable limiting mechanism 40. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation to the present invention.

[0029] To better understand the above technical solution, the exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0030] To better understand the above technical solution, the above technical solution will be described in detail below in combination with the accompanying drawings of the specification and specific implementation manners.

[0031] As Figures 1 to 5 shown, the plow blade mechanism 10 of a strong cutting submarine cable deep - water burial plow according to an embodiment of the present invention includes a plow blade frame 1, a first plow blade 2, a second plow blade 3, a first plowshare 4, and a second plowshare 5. Generally, the water depth of 300 - 1500 meters is deep water, and more than 1500 meters is ultra - deep water.

[0032] The plow blade frame 1 has an installation part 11, and the installation part 11 includes a first straight inclined section 111 and a second straight inclined section 112, and the first straight inclined section 111 and the second straight inclined section 112 are staggered from each other.

[0033] In this embodiment, the first plow blade 2 and the second plow blade 3 are respectively arranged at an acute angle with the advancing direction of the burial plow. The first plow blade 2 and the second plow blade 3 are arranged parallel to each other. Specifically, the projection of the top of the first plow blade 2 coincides with the bottom of the second plow blade 3, taking the upward direction along the vertical suspension direction of the burial plow as the top, so that the soil breaking effect is better, as Figure 1 shown. The installation part 11 of the plow blade frame 1 further includes an intermediate connection section 113 connecting the bottom of the first straight inclined section 111 and the top of the second straight inclined section 112, and the intermediate connection section 113 is horizontally arranged. Spray nozzles are respectively provided on the first plow blade 2 and the second plow blade 3, and spray nozzles can be provided on the intermediate connection section 113.

[0034] The first plow blade 2 is installed on the first straight inclined section 111 of the installation part 11, and the second plow blade 3 is installed on the second straight inclined section 112 of the installation part 11. Specifically, the installation part 11 is located at the soil - breaking end of the plow blade frame 1, and the installation part 11 is integrally in an inclined Z - shape. The plow blades are arranged along the length direction of the inclined Z - shaped installation part 11, and the number of plow blades is two. The two plow blades are arranged one by one on the two inclined sections of the inclined Z - shaped installation part 11.

[0035] The first plowshare 4 is arranged at the bottom of the first plow blade 2, and the first plowshare 4 is located on the adjacent side of the first plow blade 2 and the second plow blade 3. The second plowshare 5 is arranged at the bottom of the second plow blade 3, and the second plowshare 5 is located on the other side opposite to the adjacent side of the first plow blade 2 and the second plow blade 3.

[0036] In this embodiment, the first plowshare 4 and the second plowshare 5 are respectively swingably connected to the plow blade frame 1, so that the first plowshare 4 and the second plowshare 5 can adapt to subsea soils with different unevenness degrees. Specifically, the first plowshare 4 and the second plowshare 5 can be respectively connected to the plow blade frame 1 through ball joints.

[0037] Optionally, a cable guide groove 12 for the submarine cable to pass through is formed in the plow blade frame 1. The plow blade frame 1 is formed by connecting two side plates, and the cable guide groove is formed between the two side plates. The submarine cable is laid in the trench dug by the burying plow after passing through the cable guide groove 12. A stabilizing seat 13 is provided at the bottom of the plow blade frame 1. Oblique guide surfaces 131 are respectively provided on both sides of the stabilizing seat 13 along the advancing direction of the burying plow, so as to strengthen the strength of the bottom of the plow blade frame 1 and increase the downward cutting force at the same time.

[0038] Since the first plow blade 2 and the second plow blade 3 are inclined, and the first plowshare 4 is provided at the bottom of the first plow blade 2, and the second plowshare 5 is provided at the bottom of the second plow blade 3, the first plowshare 4 and the second plowshare 5 are used for breaking the soil, so that the resistance of the plow blade to break the soil is small, and the depth of the dug trench is increased; on the other hand, the water spraying directions of the plow blade water spraying ports are diverse, that is, water spraying ports can be respectively provided on the first plow blade 2 and the second plow blade 3, and a water spraying port is provided on the intermediate connection section 113 between the first plow blade 2 and the second plow blade 3, so as to enhance the effect of liquefying the soil; at the same time, the plow blade is set as the first plow blade 2 and the second plow blade 3, and compared with a straight plow blade, the volume of the plow blade is reduced.

[0039] As Figure 5 shown, a strong cutting submarine cable deep water burying plow according to an embodiment of the present invention includes the above plow blade mechanism 10, and further includes a frame 20, a submarine cable guiding mechanism 30, a submarine cable limiting mechanism 40 and a control system; the plow blade frame 1 is installed on the frame 20; the submarine cable guiding mechanism 30 includes a cable guide cage, a cable guide support and a cable guide groove 12. The cable guide cage and the cable guide support are sequentially arranged on the frame 20, and the cable guide support is located between the cable guide cage and the cable guide groove 12. The submarine cable is buried in the trench dug by the plow blade after passing through the cable guide cage, the cable guide support and the cable guide groove 12 in sequence; the submarine cable limiting mechanism 40 includes a driving member and a limiter. The limiter is hinged to the frame 20, and the driving member is connected to the limiter and drives it to swing. The limiter is used to limit the submarine cable from deviating from the cable guide groove 12; the control system is used to control the operation of the burying plow.

[0040] The burying plow includes the above plow blade mechanism 10. Since the first plow blade 2 and the second plow blade 3 are inclined, and the first plowshare 4 is provided at the bottom of the first plow blade 2, and the second plowshare 5 is provided at the bottom of the second plow blade 3, the first plowshare 4 and the second plowshare 5 are used for breaking soil, so that the resistance of the plow blade to break soil is small, and the depth of the trench dug is increased; on the other hand, the spraying directions of the plow blade water spray nozzles are diverse, that is, water spray nozzles can be respectively provided on the first plow blade 2 and the second plow blade 3, and a water spray nozzle is provided on the intermediate connection section 113 between the first plow blade 2 and the second plow blade 3, so that the effect of liquefying the soil is enhanced; at the same time, the plow blade is set as the first plow blade 2 and the second plow blade 3, compared with the straight plow blade, the volume of the plow blade is reduced.

[0041] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0042] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms such as "install", "connect", "connection", "fix" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0044] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may include direct contact between the first and second features, or may include contact between the first and second features not directly but through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and diagonally above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly below and diagonally below the second feature, or merely indicating that the horizontal height of the first feature is less than that of the second feature.

[0045] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

[0046] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A plow blade mechanism for a strong cutting submarine cable deep - water burying plow, characterized in that, Comprising: A plow blade holder, the plow blade holder having a mounting portion, the mounting portion including a first straight inclined section and a second straight inclined section, the first straight inclined section and the second straight inclined section being staggered from each other; the mounting portion of the plow blade holder further includes an intermediate connecting section connecting the bottom of the first straight inclined section and the top of the second straight inclined section; the intermediate connecting section is horizontally arranged; A first plow blade and a second plow blade, the first plow blade being mounted on the first straight inclined section of the mounting portion, and the second plow blade being mounted on the second straight inclined section of the mounting portion; The first plow blade and the second plow blade are arranged parallel to each other; A first share and a second share, the first share being disposed at the bottom of the first plow blade, the first share being located on the adjacent side of the first plow blade and the second plow blade, the second share being disposed at the bottom of the second plow blade, the second share being located on the other side opposite to the adjacent side of the first plow blade and the second plow blade; A stabilizing seat is provided at the bottom of the plow blade holder, and inclined guide surfaces are respectively provided on both sides of the stabilizing seat along the traveling direction of the buried plow.

2. The cutter mechanism of a strong cutting submarine cable deep burial plow according to claim 1, characterized in that, The first plow blade and the second plow blade are respectively arranged at an acute angle with respect to the traveling direction of the buried plow.

3. The cutter mechanism of a strong cutting subsea cable deep burial plow as described in claim 1, characterized in that, The mounting portion is located at the soil-breaking end of the plow blade holder, and the mounting portion is integrally in an inclined Z shape.

4. The cutter mechanism of a strong cutting submarine cable deep burial plow according to claim 1, characterized in that, The first share and the second share are respectively swingably connected to the plow blade holder.

5. The cutter mechanism of a strong cutting submarine cable deep burial plow as described in claim 1, characterized in that, A cable guide groove for the submarine cable to pass through is formed in the plow blade holder, and the plow blade holder is formed by connecting two side plates, and the cable guide groove is formed between the two side plates.

6. A strong-cutting submarine cable deep burial plow, comprising the plow blade mechanism according to any one of claims 1 to 5.

Images