A hydraulic valve block of an underwater control module and its supporting device

Abstract

The present invention discloses a hydraulic valve block of an underwater control module and its supporting device, wherein the upper and lower surfaces of the valve block body are penetrated with pilot, output, input through holes and return flow holes; the front side of the valve block body is provided with four groups of side combination holes, the four groups of side combination holes are distributed in two rows and two columns, and each of the side combination holes includes a side input hole, a side output hole, a side return hole and a side pilot hole. The hydraulic valve block of an underwater control module and its supporting device disclosed by the present invention concentrate the input pipes, output pipes, pilot pipes and return pipes required by multiple pilot reversing solenoid valves on a valve block body and realize communication with the bottom plate of the underwater control module, with a compact structure and effective use of the internal space of the underwater control module; at the same time, no pipes are required to reduce leakage; modularization is achieved, which is not only convenient for maintenance, but also convenient for manufacturing and processing, reducing processing costs.

Description

Technical Field

[0001] The invention relates to the technical field of underwater control, and in particular to a hydraulic valve block of an underwater control module and a matching device thereof. Background Art

[0002] The deep sea contains a large amount of oil and gas resources, and the emergence of new technologies is driving the development of deepwater and ultra-deepwater oil development projects. The underwater production control system is an important part of underwater production equipment and one of the core technologies for deepwater development. The underwater control module (SCM) is a key component of the underwater control system. It controls the opening and closing of the pilot solenoid reversing valve inside the underwater control module by receiving the control signal from the main control system of the water facilities, so as to realize the opening and closing of various functional valves installed in the Christmas tree and the process. Among them, the underwater control module and the pilot solenoid reversing valve are connected by a pipeline to form a pilot solenoid reversing valve connection pipeline. The internal components of the existing pilot solenoid reversing valve connection pipeline are relatively scattered, which not only occupies a large space, but also increases the risk of oil and gas leakage. Summary of the invention

[0003] The object of the present invention is to provide a hydraulic valve block of an underwater control module and a matching device thereof, so as to solve the problem that the existing pilot electromagnetic reversing valve connection pipeline occupies a large space and has a high risk of oil and gas leakage.

[0004] The present invention provides a hydraulic valve block, comprising a valve block body, wherein the upper and lower surfaces of the valve block body are penetrated with two pilot through holes, four output through holes, two input through holes and one return flow hole; the front side surface of the valve block body is provided with four groups of side combination holes, the four groups of side combination holes are distributed in two rows and two columns, and each of the side combination holes includes a side input hole, a side output hole, a side return flow hole and a side pilot hole; wherein the side input holes of two side combination holes in the same column are connected with one of the input through holes to form a first input channel and a second input channel respectively, and the two side combination holes in the other column are connected with each other to form a first input channel and a second input channel respectively. The side input hole of the combined hole is connected with another input through hole to form a third input channel and a fourth input channel respectively; the side output holes of the four side combination holes are connected with the four output through holes to form four output channels respectively; the side return holes of the two side combination holes in the same row are connected with one of the pilot through holes to form a first pilot channel and a second pilot channel respectively, and the side return holes of the two side combination holes in another row are connected with another one of the pilot through holes to form a third pilot channel and a fourth pilot channel respectively; the side return holes of the four side combination holes are all connected with the return flow holes to form four return channels.

[0005] Preferably, the two pilot through holes are transversely arranged at the front end of the upper surface of the valve block body, the two input through holes are transversely arranged at the middle of the upper surface of the valve block body, the four output through holes are arranged around the two input through holes and the four output through holes can be connected into a rectangle by the end-to-end lines, the rear end of the valve block body is provided with a protrusion, and the return flow hole passes through the protrusion of the valve block body.

[0006] Preferably, each of the side combination holes includes four pilot electromagnetic reversing valve mounting holes, and the pilot electromagnetic reversing valve mounting holes are threaded holes.

[0007] Preferably, the four pilot electromagnetic reversing valve mounting holes are connected end to end to form a rectangular area, the side output hole, the side input hole and the side return hole are arranged horizontally from left to right in the middle of the four rectangular areas, and the side pilot hole is arranged in the middle of the bottom edge of the rectangular area.

[0008] Preferably, a plurality of bottom plate mounting holes are provided on the lower surface of the valve block body, and the bottom plate mounting holes are threaded holes.

[0009] The present invention also relates to a supporting device of a hydraulic valve block, comprising at least 6 of the above-mentioned hydraulic valve blocks, and also comprising an underwater control module base plate and a plurality of pilot electromagnetic reversing valves, wherein a plurality of the hydraulic valve blocks are arranged in a ring shape around the center of the underwater control module base plate on the upper surface of the underwater control module base plate, and two input docking interfaces, four output docking interfaces, two pilot docking interfaces and one return docking interface are arranged at the valve block body installation position of the underwater control module base plate, and when the hydraulic valve block is fixed to the corresponding installation position of the underwater control module base plate, the number and position of the input through holes, output through holes, pilot through holes and return flow holes of the hydraulic valve block respectively correspond to the number and position of the input docking interfaces, output docking interfaces, pilot docking interfaces and return flow docking interfaces on the underwater control module base plate and are connected to each other; each of the hydraulic valve blocks is configured with four pilot electromagnetic reversing valves, and the four pilot electromagnetic reversing valves are respectively arranged on four groups of side combination holes of the hydraulic valve block.

[0010] Preferably, a pilot annular channel, an input annular channel and a return annular channel are sequentially arranged inside the bottom plate of the underwater control module from the outside to the inside, wherein the pilot annular channel is connected to the two pilot docking ports, the input annular channel is connected to the two input docking ports, and the return annular channel is connected to the return docking port; a plurality of groups of bottom plate combination through holes are arranged through the upper and lower surfaces of the bottom plate of the underwater control module, and the number and positions of the bottom plate combination through holes correspond to the hydraulic valve block; each group of bottom plate combination through holes includes a plurality of valve block mounting bolt through holes and four bottom plate output through holes, and the number of the valve block mounting bolt through holes of each group of bottom plate combination through holes is equal to the number of the bottom plate mounting holes arranged on the lower surface of the valve block body, and the positions of the four bottom plate output through holes of each group of bottom plate combination through holes are respectively connected to the output through holes of the valve block body; the positions of the plurality of valve block mounting bolt through holes of each group of bottom plate combination through holes correspond to the plurality of bottom plate mounting holes of the valve block body.

[0011] Preferably, the pilot electromagnetic reversing valve is provided with a reversing valve input port, a reversing valve output port, a reversing valve return port and a reversing valve pilot port. When the pilot electromagnetic reversing valve is installed in the corresponding side combination hole, the reversing valve input port, the reversing valve output port, the reversing valve return port and the reversing valve pilot port of the pilot electromagnetic reversing valve are respectively connected with the side input hole, the side output hole, the side return hole and the side pilot hole of the side combination hole.

[0012] The beneficial effects of the present invention are:

[0013] The present invention discloses a hydraulic valve block of an underwater control module and its supporting device, wherein the upper and lower surfaces of the valve block body are provided with a plurality of through holes for pilot, output, input and return, and the side surfaces of the valve block body are provided with a plurality of side input, output, return and pilot holes, a plurality of valve block bodies are installed on the upper surface of a bottom plate of the underwater control module and the corresponding pipelines are connected, and four pilot reversing solenoid valves are installed on each valve block body and the corresponding pipelines are connected, so that the input pipelines, output pipelines, pilot pipelines and return pipelines required by the plurality of pilot reversing solenoid valves are concentrated on one valve block body and connected with the bottom plate of the underwater control module, the structure is compact, and the internal space of the underwater control module is effectively utilized; at the same time, no pipelines are needed to reduce leakage; modularization is realized, which is not only convenient for maintenance, but also convenient for manufacturing and processing, and reduces processing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A top view of the upper surface of the hydraulic valve block provided in Example 1 of the present invention;

[0015] Figure 2 A bottom view of the lower surface of the hydraulic valve block provided in Example 1 of the present invention;

[0016] Figure 3 A front view of the front side of the hydraulic valve block provided in Example 1 of the present invention;

[0017] Figure 4 A schematic structural diagram of a supporting device of a hydraulic valve block provided in Example 2 of the present invention;

[0018] Figure 5 A schematic diagram of the internal structure of the bottom plate of the underwater control module provided in Example 2 of the present invention;

[0019] Figure 6 A top view of the connection between the hydraulic valve block and the pilot electromagnetic reversing valve provided in Example 2 of the present invention. DETAILED DESCRIPTION

[0020] It should be noted that, in this article, the "left", "right", "up" and "down" involved in the present invention are based on the attached drawings, where the up and down straight lines are "columns" and the left and right straight lines are "horizontal" or "rows". The "front end" or "front" refers to the end or side of the hydraulic valve block where the pilot electromagnetic reversing valve is installed, and the "rear end" or "rear" refers to the end or side of the hydraulic valve block that is away from the pilot electromagnetic reversing valve.

[0021] Embodiment 1: A hydraulic valve block of an underwater control module

[0022] Embodiment 1 provides a hydraulic valve block of an underwater control module, and its structure is described in detail below.

[0023] The hydraulic valve block comprises a valve block body 1. Figure 1 and Figure 2 The upper and lower surfaces of the valve block body 1 are penetrated with two pilot through holes 11, four output through holes 12, two input through holes 13 and one return through hole 14, and the lower surface of the valve block body 1 is provided with a plurality of bottom plate mounting holes 15.

[0024] As a specific implementation manner, two pilot through holes 11 are horizontally arranged at the front end of the upper surface of the valve block body 1 from left to right, two input through holes 13 are horizontally arranged at the middle of the upper surface of the valve block body 1 from left to right, four output through holes 12 are arranged around the two input through holes 13 and the four output through holes 12 can be connected to form a rectangle by the end-to-end lines, a protrusion is provided at the rear end of the valve block body 1, and a return flow hole 14 passes through the protrusion of the valve block body 1.

[0025] Preferably, the number of the bottom plate mounting holes 15 is 5, of which 3 are horizontally distributed near the front end and are located on the same straight line with the two front output through holes 12, and 2 are horizontally distributed near the rear end and are located on the same straight line with the two rear output through holes 12.

[0026] Specifically, Figure 2As shown, the lower surface of the valve block body 1 includes a total of 5 rows of holes from front to back, among which the front row is two pilot through holes 11 arranged horizontally from left to right, the second row is two output through holes 12 in the front row and three bottom plate mounting holes 15, the third row is two pilot through holes 11 arranged horizontally from left to right, the fourth row is two output through holes 12 in the back row and two bottom plate mounting holes 15 in the back row, and the fifth row is a separate row of return flow holes 14.

[0027] refer to Figure 3 Four groups of side combination holes 2 are arranged on the front side of the valve block body 1. The four groups of side combination holes 2 are distributed in two rows and two columns. Each side combination hole 2 includes four pilot electromagnetic reversing valve installation holes 20, a side input hole 21, a side output hole 22, a side return hole 23 and a side pilot hole 24.

[0028] As a specific implementation method, four pilot electromagnetic reversing valve mounting holes 20 are connected end to end to form a rectangular area, the side output hole 22, the side input hole 21 and the side return hole 23 are arranged horizontally from left to right in the middle of the four rectangular areas, and the side pilot hole 24 is arranged in the middle of the bottom edge of the rectangular area.

[0029] The communication relationship between the upper and lower surfaces of the valve block body 1 and the holes on the front side of the valve block body 1 is as follows:

[0030] The side input holes 21 of the two side combination holes 2 in the left column are connected with the input through hole 13 on the left to form a first input channel and a second input channel respectively, and the side input holes 21 of the two side combination holes 2 in the right column are connected with the input through hole 13 on the right to form a third input channel and a fourth input channel respectively;

[0031] The side output holes 22 of the four side combination holes 2 are respectively connected with the four output through holes 12 to form four output channels;

[0032] The side return holes 23 of the two side combination holes 2 in the left column are connected with the left pilot through hole 11 to form the first pilot channel and the second pilot channel respectively, and the side return holes 23 of the two side combination holes 2 in the right column are connected with the right pilot through hole 11 to form the third pilot channel and the fourth pilot channel respectively;

[0033] The side reflux holes 23 of the four side combination holes 2 are all connected to the reflux flow holes 14 to form four reflux channels.

[0034] In order to fix the valve block body 1 to the underwater control module base plate 4 and install the pilot electromagnetic reversing valve 3 respectively, the base plate mounting hole 15 and the pilot electromagnetic reversing valve mounting hole 20 are both threaded holes. Specifically, the threaded holes are threaded bolt blind holes for bolt installation and to prevent flow in.

[0035] It should be pointed out that the first input channel, the second input channel, the third input channel, the fourth input channel, the four output channels, the first pilot channel, the second pilot channel, the third pilot channel, the fourth pilot channel and the four reflux channels are obtained by drilling.

[0036] When processing holes, deep hole gun drilling is used. When processing through holes, some process holes need to be drilled to connect pipelines that are not in a line or do not intersect. These process holes will be blocked after cleaning in the final manufacturing stage.

[0037] Embodiment 2: A matching device for a hydraulic valve block

[0038] Embodiment 2 provides a supporting device for a hydraulic valve block, comprising at least 6, preferably 8 hydraulic valve blocks of Embodiment 1, and also comprising an underwater control module base plate 4 and a plurality of pilot electromagnetic reversing valves 3, the structure and connection relationship of which are described in detail below.

[0039] refer to Figure 4 , a plurality of hydraulic valve blocks are arranged in a ring around the center of the underwater control module bottom plate 4 on the upper surface of the underwater control module bottom plate 4. Specifically, the underwater control module bottom plate 4 is a rectangular bottom plate, and two valve block bodies 1 are respectively installed on both sides of each side of the underwater control module bottom plate 4, and a total of 8 valve block bodies 1 are arranged. Among them, two input docking ports, four output docking ports, two pilot docking ports and one return docking port are arranged at the valve block body installation position of the underwater control module bottom plate 4 for installing the valve block body 1. When the hydraulic valve block is fixed to the corresponding installation position of the underwater control module bottom plate 4, the number and position of the input through hole 13, the output through hole 12, the pilot through hole 11 and the return flow hole 14 of the hydraulic valve block correspond to the number and position of the input docking port, the output docking port, the pilot docking port and the return flow docking port on the underwater control module bottom plate 4, respectively, and are connected to each other.

[0040] Each hydraulic valve block is respectively equipped with four pilot electromagnetic reversing valves 3. The four pilot electromagnetic reversing valves 3 are respectively arranged on four groups of side combination holes 2 of the hydraulic valve block.

[0041] refer to Figure 5 A pilot annular channel 41, an input annular channel 43 and a return annular channel 44 are sequentially arranged inside the bottom plate 4 of the underwater control module from the outside to the inside, wherein the pilot annular channel 41 is connected to two pilot docking ports, the input annular channel 43 is connected to two input docking ports, and the return annular channel 44 is connected to the return docking port.

[0042] The upper and lower surfaces of the underwater control module bottom plate 4 are penetrated with a plurality of bottom plate combination through holes 5, and the bottom plate combination through holes 5 are opened at the position where the hydraulic valve block is to be installed, that is, the number and position of the bottom plate combination through holes 5 correspond to the hydraulic valve block.

[0043] Each group of bottom plate combination through holes 5 includes a plurality of valve block mounting bolt through holes 40 and four bottom plate output through holes 42, and the number of valve block mounting bolt through holes 40 in each group of bottom plate combination through holes 5 is equal to the number of bottom plate mounting holes 15 provided on the lower surface of the valve block body 1, and the positions of the four bottom plate output through holes 42 in each group of bottom plate combination through holes 5 are respectively connected to the corresponding output through holes 12 of the valve block body 1. The positions of the plurality of valve block mounting bolt through holes 40 in each group of bottom plate combination through holes 5 respectively correspond to the plurality of bottom plate mounting holes 15 of the valve block body 1.

[0044] Specifically, each group of bottom plate combination through holes 5 has five valve block mounting bolt through holes 40, which are arranged in the form of three in the front row and two in the back row. The four bottom plate output through holes 42 of each group of bottom plate combination through holes 5 are distributed in a rectangular four-point arrangement of two in the front row and two in the back row.

[0045] Among them, the front row of three valve block mounting bolt through holes 40 of each group of bottom plate combination through holes 5 and the front row of two bottom plate output through holes 42 are staggered in a row, and the row is located between the pilot annular channel 41 and the input annular channel 43; the rear row of two valve block mounting bolt through holes 40 of each group of bottom plate combination through holes 5 and the rear row of two bottom plate output through holes 42 are staggered in a row, and the row is located between the input annular channel 43 and the return annular channel 44.

[0046] When the lower surface of the hydraulic valve block is mounted on the upper surface of the underwater control module bottom plate 4, the five bottom plate mounting holes 15 of each hydraulic valve block and the five valve block mounting bolt through holes 40 of the corresponding bottom plate combination through holes 5 on the underwater control module bottom plate 4 are fixed by bolts.

[0047] Specifically, the four groups of side combination holes 2 of each hydraulic valve block are respectively configured with four pilot electromagnetic reversing valves 3 .

[0048] As a specific implementation method, refer to Figure 6 The pilot electromagnetic reversing valve 3 is provided with a reversing valve input port 31, a reversing valve output port 32, a reversing valve return port 33 and a reversing valve pilot port 34. The reversing valve input port 31, the reversing valve output port 32, the reversing valve return port 33 and the reversing valve pilot port 34 are distributed at four points. When the pilot electromagnetic reversing valve 3 is installed in the corresponding side combination hole 2, the reversing valve input port 31, the reversing valve output port 32, the reversing valve return port 33 and the reversing valve pilot port 34 of the pilot electromagnetic reversing valve 3 are respectively connected with the side input hole 21, the side output hole 22, the side return hole 23 and the side pilot hole 24 of the side combination hole 2.

[0049] Furthermore, a pressure sensor and a flow sensor are provided at the inlet of the return annular channel 44 to detect the amount of liquid flowing in the channel and provide the underwater control module system with the amount of liquid flowing in the pilot electromagnetic reversing valve 3 .

[0050] Eight valve block bodies 1 are installed on the upper surface of the bottom plate 4 of the underwater control module, and four pilot reversing solenoid valves 3 are installed on each valve block body 1. The input, output, pilot and return liquids in the underwater control module flow to the pilot solenoid reversing valves 3, and 4×8=32 pilot solenoid reversing valves 3 realize the switching of multiple circuits through reversing operations. For example: when a certain pilot solenoid reversing valve 3 is opened, the input pipeline of the pipeline is connected to the output pipeline, and when the pilot solenoid reversing valve 3 is closed, the output pipeline of the pipeline is connected to the return pipeline.

[0051] Although the present invention has been described in detail above by general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention all belong to the scope of protection claimed by the present invention.

Claims

1. A hydraulic valve block of an underwater control module, characterized in that: It includes a valve block body (1), The upper and lower surfaces of the valve block body (1) are provided with two pilot through holes (11), four output through holes (12), two input through holes (13) and one return flow hole (14), wherein the two pilot through holes (11) are transversely arranged at the front end of the upper surface of the valve block body (1), the two input through holes (13) are transversely arranged at the middle of the upper surface of the valve block body (1), the four output through holes (12) are arranged around the two input through holes (13) and the four output through holes (12) can be connected to form a rectangle by a line connecting the end to the end, the rear end of the valve block body (1) is provided with a protrusion, and the return flow hole (14) passes through the protrusion of the valve block body (1); The front side of the valve block body (1) is provided with four groups of side combination holes (2), the four groups of side combination holes (2) are distributed in two rows and two columns, each of the side combination holes (2) comprises a side input hole (21), a side output hole (22), a side return hole (23), a side pilot hole (24) and four pilot electromagnetic reversing valve mounting holes (20), wherein the pilot electromagnetic reversing valve mounting hole (20) is a threaded hole, the four pilot electromagnetic reversing valve mounting holes (20) are connected end to end to form a rectangular area, the side output hole (22), the side input hole (21) and the side return hole (23) are arranged in the middle of the four rectangular areas in sequence from left to right, and the side pilot hole (24) is arranged in the middle of the bottom edge of the rectangular area; The side input holes (21) of the two side combination holes (2) in the same row are connected to one of the input through holes (13) to form a first input channel and a second input channel respectively, and the side input holes (21) of the two side combination holes (2) in another row are connected to another of the input through holes (13) to form a third input channel and a fourth input channel respectively; The side output holes (22) of the four side combination holes (2) are respectively connected to the four output through holes (12) to form four output channels; The side return holes (23) of the two side combination holes (2) in the same row are connected to one of the pilot through holes (11) to form a first pilot channel and a second pilot channel respectively; the side return holes (23) of the two side combination holes (2) in another row are connected to another one of the pilot through holes (11) to form a third pilot channel and a fourth pilot channel respectively; the side return holes (23) of the four side combination holes (2) are all connected to the return through hole (14) to form four return channels.

2. The hydraulic valve block according to claim 1, characterized in that: The lower surface of the valve block body (1) is provided with a plurality of bottom plate mounting holes (15), and the bottom plate mounting holes (15) are threaded holes.

3. A supporting device for a hydraulic valve block, comprising at least 6 hydraulic valve blocks according to any one of claims 1 to 2, characterized in that: It also includes an underwater control module base plate (4) and a plurality of pilot electromagnetic reversing valves (3). A plurality of hydraulic valve blocks are arranged in a ring shape around the center of the underwater control module bottom plate (4) on the upper surface of the underwater control module bottom plate (4), and two input docking ports, four output docking ports, two pilot docking ports and one return docking port are arranged at the valve block body installation position of the underwater control module bottom plate (4). When the hydraulic valve block is fixed to a corresponding installation position of the underwater control module bottom plate (4), the number and position of the input through hole (13), the output through hole (12), the pilot through hole (11) and the return through hole (14) of the hydraulic valve block respectively correspond to the number and position of the input docking interface, the output docking interface, the pilot docking interface and the return docking interface on the underwater control module bottom plate (4) and are interconnected; Each of the hydraulic valve blocks is equipped with four pilot electromagnetic reversing valves (3), and the four pilot electromagnetic reversing valves (3) are respectively arranged on four groups of side combination holes (2) of the hydraulic valve block.

4. The supporting device according to claim 3, characterized in that: The underwater control module bottom plate (4) is provided with a pilot annular channel (41), an input annular channel (43) and a return annular channel (44) in sequence from the outside to the inside, wherein the pilot annular channel (41) is connected to the two pilot docking ports, the input annular channel (43) is connected to the two input docking ports, and the return annular channel (44) is connected to the return docking port; The upper and lower surfaces of the underwater control module bottom plate (4) are provided with a plurality of bottom plate combination through holes (5), and the number and positions of the bottom plate combination through holes (5) correspond to those of the hydraulic valve block; Each group of bottom plate combination through holes (5) comprises a plurality of valve block mounting bolt through holes (40) and four bottom plate output through holes (42), and the number of the valve block mounting bolt through holes (40) in each group of bottom plate combination through holes (5) is equal to the number of the bottom plate mounting holes (15) arranged on the lower surface of the valve block body (1), and the positions of the four bottom plate output through holes (42) in each group of bottom plate combination through holes (5) are respectively connected to the output through holes (12) of the valve block body (1); the positions of the plurality of valve block mounting bolt through holes (40) in each group of bottom plate combination through holes (5) are respectively corresponding to the plurality of bottom plate mounting holes (15) of the valve block body (1).

5. The supporting device according to claim 3, characterized in that: The pilot electromagnetic reversing valve (3) is provided with a reversing valve input port (31), a reversing valve output port (32), a reversing valve return port (33) and a reversing valve pilot port (34). When the pilot electromagnetic reversing valve (3) is installed in the corresponding side combination hole (2), the reversing valve input port (31), the reversing valve output port (32), the reversing valve return port (33) and the reversing valve pilot port (34) of the pilot electromagnetic reversing valve (3) are respectively connected to the side input hole (21), the side output hole (22), the side return hole (23) and the side pilot hole (24) of the side combination hole (2).

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