Concrete pressing block protection device for submarine pipeline

Abstract

The utility model relates to the technical field of ocean engineering, and discloses a concrete pressing block protection device for a submarine pipeline, which comprises a first concrete pressing block and a second concrete pressing block, and strip-shaped clamping grooves are arranged below and above the side surfaces of the first concrete pressing block and the second concrete pressing block. Strip-shaped clamping blocks are arranged on the upper portions and the lower portions of the side faces of the first concrete pressing block and the second concrete pressing block correspondingly, and through the arranged strip-shaped clamping grooves and the strip-shaped clamping blocks, the first concrete pressing block and the second concrete pressing block can protect the submarine pipeline; a circular ring state of a submarine pipeline structure is conveniently formed between the first concrete pressing block and the second concrete pressing block, and the front ends and the rear ends of the first concrete pressing block and the second concrete pressing block in the circular ring state can accurately install the concrete pressing blocks on the seabed through positioning shafts and positioning grooves; and the installation cost and the operation complexity of the concrete briquette at the seabed are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of marine engineering, in particular to a concrete pressing block protection device for submarine pipelines. Background Art

[0002] Submarine pipelines are closed pipes that continuously transport large amounts of oil and gas on the seabed. They are a major component of offshore oil and gas field development and production systems, and are also the fastest, safest, most economical and reliable way to transport offshore oil and gas.

[0003] Currently, when providing concrete briquette protection devices for submarine pipelines, the concrete briquette is usually very heavy and cannot be accurately installed on the seabed, which easily increases the installation cost and the complexity of the operation. Utility Model Content

[0004] The utility model aims to provide a concrete briquette protection device for submarine pipelines, which can solve the problem that when providing a concrete briquette protection device for submarine pipelines, the concrete briquette is usually very heavy and cannot be accurately installed on the seabed, thereby reducing the installation cost and operation complexity of the concrete briquette on the seabed.

[0005] To achieve the above-mentioned purpose, a concrete block protection device for a submarine pipeline is provided, comprising a first concrete block and a second concrete block, wherein strip grooves are provided below and above the side surfaces of the first concrete block and the second concrete block, strip blocks are provided above and below the side surfaces of the first concrete block and the second concrete block, positioning shafts are provided above and below one end of the first concrete block and the second concrete block, positioning grooves are provided on the surfaces above and below the other ends of the first concrete block and the second concrete block, a first fixing ring is provided on the middle surface of the outer side of the first concrete block and the second concrete block, sensors are provided on the top surfaces of the first concrete block and the second concrete block and on the surface below the first fixing ring, second fixing rings are provided on the outer side end surfaces of the first concrete block and the second concrete block, and connecting shafts are provided on the middle of both sides of the first fixing ring and both ends of both sides of the second fixing ring.

[0006] According to the concrete block protection device for submarine pipelines, the first concrete block and the second concrete block use high-strength concrete, which is added with steel bars or fiber-reinforced materials. The first concrete block and the second concrete block are cast and fixedly connected to the positioning shaft above and below one end, and the positioning shaft is made of ultra-high-strength steel.

[0007] According to the concrete block protection device for submarine pipelines, the upper and lower surfaces of the other ends of the first concrete block and the second concrete block are both recessed and connected with the positioning groove, the interior of the positioning groove is engaged and contacted with the positioning shaft, and one end of the first concrete block and the second concrete block is positioned, engaged and contacted with the other end of another group of first concrete blocks and second concrete blocks through the engagement between the positioning groove and the positioning shaft.

[0008] According to the concrete block protection device for submarine pipelines, two of the strip grooves and two of the strip blocks are provided, and the two strip blocks use high-strength concrete with steel bars or fiber-reinforced materials added thereto. The two strip grooves are recessedly connected to the lower and upper sides of the first concrete block and the second concrete block, and the first concrete block is engaged and contacted with the second concrete block through the strip grooves and the strip blocks to form a circular ring structure.

[0009] According to the concrete briquette protection device for submarine pipelines, the first fixing ring is made of high-performance stainless steel, and the first fixing ring is in close contact with the outer middle surfaces of the first concrete briquette and the second concrete briquette.

[0010] According to the concrete block protection device for submarine pipelines, the sensor is connected to the top surfaces of the first concrete block and the second concrete block in support contact, and the sensor is connected to the top surfaces of the first concrete block and the second concrete block through a snap-fit ​​positioning connection on the surface below the first fixing ring to form a fixed space.

[0011] According to the concrete briquette protection device for submarine pipelines, two second fixing rings are provided, both of which are made of high-performance stainless steel, and both of which are tightly contacted and connected with the outer end surfaces of the first concrete briquette and the second concrete briquette, and both of the first fixing ring and the second fixing ring are fixed in position with the seabed surface by piling on both sides of the bottom.

[0012] According to the concrete briquette protection device for submarine pipelines, a plurality of connecting shafts are provided, and the plurality of connecting shafts are all in contact and engaged connection with the middle parts of both sides of the first fixing ring and both ends of both sides of the second fixing ring, and the first fixing ring and the second fixing ring are both fixedly connected with the outer end surfaces of the first concrete briquette and the second concrete briquette through the connecting shafts.

[0013] The above scheme has the beneficial effect that the first concrete block and the second concrete block can protect the submarine pipeline by setting the strip groove and the strip block, so that the first concrete block and the second concrete block can form a circular ring state of the submarine pipeline structure. The front and rear ends of the first concrete block and the second concrete block in the circular ring state use positioning shafts and positioning grooves to accurately install the concrete blocks on the seabed, thereby reducing the installation cost and operation complexity of the concrete blocks on the seabed.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a concrete briquetting protection device for submarine pipelines according to the utility model;

[0016] Figure 2 This is a front structural diagram of a concrete briquetting protection device for submarine pipelines according to the utility model;

[0017] Figure 3 This is a structural schematic diagram of another angle of a concrete briquetting protection device for submarine pipelines of the utility model;

[0018] Figure 4 The utility model is a side perspective view of a concrete briquetting protection device for submarine pipelines.

[0019] Legend:

[0020] 1. First concrete pressing block; 2. Second concrete pressing block; 3. First fixing ring; 4. Second fixing ring; 5. Connecting shaft; 6. Positioning shaft; 7. Strip card slot; 8. Strip card block; 9. Positioning slot; 10. Sensor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-4The utility model embodiment is a concrete block protection device for a submarine pipeline, which includes a first concrete block 1 and a second concrete block 2. The first concrete block 1 and the second concrete block 2 are both provided with a strip groove 7 below and above the side, and a strip block 8 is provided above and below the side of the first concrete block 1 and the second concrete block 2. Positioning shafts 6 are provided above and below one end of the first concrete block 1 and the second concrete block 2. Positioning grooves 9 are provided on the upper and lower surfaces of the other ends of the first concrete block 1 and the second concrete block 2. A first fixing ring 3 is provided on the middle surface of the outer side of the first concrete block 1 and the second concrete block 2. Sensors 10 are provided on the top surfaces of the first concrete block 1 and the second concrete block 2 and the surface below the first fixing ring 3. Second fixing rings 4 are provided on the outer side surfaces of the first concrete block 1 and the second concrete block 2. Connecting shafts 5 are provided on the middle of both sides of the first fixing ring 3 and both ends of both sides of the second fixing ring 4.

[0023] The first concrete block 1 and the second concrete block 2 use high-strength concrete, which is added with steel bars or fiber-reinforced materials. The upper and lower ends of the first concrete block 1 and the second concrete block 2 are cast and fixedly connected with the positioning shaft 6. The positioning shaft 6 is made of ultra-high-strength steel. By setting the first concrete block 1 and the second concrete block 2, high-strength concrete is used, which is added with steel bars or fiber-reinforced materials to improve the durability of the concrete blocks. The upper and lower surfaces of the other ends of the first concrete block 1 and the second concrete block 2 are recessed and connected with the positioning groove 9. The interior of the positioning groove 9 is engaged and contacted with the positioning shaft 6. The first concrete block 1 and the second concrete block 2 are engaged with the positioning groove 9 and the positioning shaft 6 at one end. The other ends of another group of first concrete blocks 1 and second concrete blocks 2 are positioned and engaged and connected. By setting the positioning shaft 6 and the positioning groove 9, it is convenient to position and install another group of first concrete blocks 1 and second concrete blocks 2 at the front and rear ends of the first concrete blocks 1 and the second concrete blocks 2. Two strip-shaped slots 7 and two strip-shaped blocks 8 are provided. The two strip-shaped blocks 8 use high-strength concrete, which is added with steel bars or fiber-reinforced materials. The two strip-shaped slots 7 are both recessed and connected with the lower and upper sides of the first concrete blocks 1 and the second concrete blocks 2. The first concrete block 1 is engaged and contacted with the second concrete block 2 through the strip-shaped slots 7 and the strip-shaped blocks 8 to form a circular ring structure. The strip-shaped slots 7 and the strip-shaped blocks 8 are provided. Block 8, which enables the first concrete block 1 and the second concrete block 2 to protect the submarine pipeline, is to facilitate the formation of a circular ring state of the submarine pipeline structure between the first concrete block 1 and the second concrete block 2, the first fixing ring 3 is made of high-performance stainless steel, and the first fixing ring 3 is tightly contacted and connected with the outer middle surface of the first concrete block 1 and the second concrete block 2. By setting the first fixing ring 3 made of high-performance stainless steel, the high-performance stainless steel can ensure the long-term stability of the structure of the first fixing ring 3 and reduce the maintenance cost due to its excellent corrosion resistance. The sensor 10 is supported and contacted with the top surface of the first concrete block 1 and the second concrete block 2, and the sensor 10 is connected and positioned with the first fixing ring 3 through the engagement surface below the first fixing ring 3. A fixed space is formed on the top surface of a concrete block 1 and a second concrete block 2. By means of the sensor 10, the state of the submarine pipeline can be monitored in real time through the top surface of the first concrete block 1 and the second concrete block 2, and potential problems can be discovered and handled in time. Two second fixing rings 4 are provided, and both second fixing rings 4 are made of high-performance stainless steel. Both second fixing rings 4 are tightly contacted and connected with the outer end surfaces of the first concrete block 1 and the second concrete block 2. The first fixing ring 3 and the second fixing ring 4 are fixed in position with the seabed surface by piling on both sides of the bottom. A plurality of connecting shafts 5 are provided, and the plurality of connecting shafts 5 are contacted and connected with the middle of both sides of the first fixing ring 3 and both ends of both sides of the second fixing ring 4.The first fixing ring 3 and the second fixing ring 4 are fixedly connected to the outer end surfaces of the first concrete block 1 and the second concrete block 2 through the connecting shaft 5. The first fixing ring 3 and the second fixing ring 4 can be fixed on the outer surfaces of the first concrete block 1 and the second concrete block 2 through the setting of the connecting shaft 5.

[0024] Working principle: The first concrete block 1 and the second concrete block 2 use the connecting shaft 5 through the first fixing ring 3 and the second fixing ring 4 to achieve the effect of the concrete blocks providing additional support to the pipeline through weight. The sensor 10 can monitor the stress and deformation of the pipeline in real time through the top surface of the first concrete block 1 and the second concrete block 2. The data of the submarine pipeline that has been affected by the ocean for a long time is transmitted to the monitoring center by the sensor 10 for detecting and analyzing the health status of the pipeline. If an abnormality is detected, the early warning system of the monitoring center will trigger an alarm to notify the maintenance team to investigate and deal with the abnormal situation.

[0025] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A concrete block protection device for a submarine pipeline, comprising a first concrete block (1) and a second concrete block (2), characterized in that: The first concrete block (1) and the second concrete block (2) are provided with strip-shaped slots (7) at the bottom and top of the side, and strip-shaped slots (8) are provided at the top and bottom of the side. Positioning shafts (6) are provided at the top and bottom of one end of the first concrete block (1) and the second concrete block (2). Positioning grooves (9) are provided at the top and bottom of the other end of the first concrete block (1) and the second concrete block (2). A first fixing ring (3) is provided at the middle surface of the outer side of the first concrete block (1) and the second concrete block (2). Sensors (10) are provided at the top surfaces of the first concrete block (1) and the second concrete block (2) and at the bottom surface of the first fixing ring (3). Second fixing rings (4) are provided at both end surfaces of the outer side of the first concrete block (1) and the second concrete block (2). Connecting shafts (5) are provided at the middle of both sides of the first fixing ring (3) and at both ends of both sides of the second fixing ring (4).

2. A concrete block protection device for submarine pipelines according to claim 1, characterized in that: The first concrete block (1) and the second concrete block (2) are made of high-strength concrete, to which steel bars or fiber-reinforced materials are added. The top and bottom of one end of the first concrete block (1) and the second concrete block (2) are cast and fixedly connected to a positioning shaft (6), and the positioning shaft (6) is made of ultra-high-strength steel.

3. A concrete block protection device for submarine pipelines according to claim 2, characterized in that: The upper and lower surfaces of the other ends of the first concrete pressing block (1) and the second concrete pressing block (2) are both recessed and connected with the positioning groove (9), and the interior of the positioning groove (9) is engaged and contacted with the positioning shaft (6). One end of the first concrete pressing block (1) and the second concrete pressing block (2) is engaged and contacted with the other end of another group of first concrete pressing blocks (1) and second concrete pressing blocks (2) through the engagement between the positioning groove (9) and the positioning shaft (6).

4. A concrete block protection device for submarine pipelines according to claim 1, characterized in that: The strip-shaped slots (7) and the strip-shaped blocks (8) are both provided with two, and the two strip-shaped blocks (8) are made of high-strength concrete with steel bars or fiber-reinforced materials added thereto, and the two strip-shaped slots (7) are both recessedly connected with the lower and upper sides of the first concrete pressing block (1) and the second concrete pressing block (2), and the first concrete pressing block (1) is connected with the second concrete pressing block (2) by means of the strip-shaped slots (7) and the strip-shaped blocks (8) to form a circular ring structure.

5. The concrete block protection device for submarine pipeline according to claim 1, characterized in that: The first fixing ring (3) is made of high-performance stainless steel, and the first fixing ring (3) is in close contact with the outer middle surfaces of the first concrete pressing block (1) and the second concrete pressing block (2).

6. A concrete block protection device for submarine pipelines according to claim 1, characterized in that: The sensor (10) is connected to the top surfaces of the first concrete block (1) and the second concrete block (2) in a supporting contact manner, and the sensor (10) is connected to the top surfaces of the first concrete block (1) and the second concrete block (2) through a snap-fit ​​positioning connection on the surface below the first fixing ring (3) to form a fixed space.

7. A concrete block protection device for submarine pipelines according to claim 1, characterized in that: Two second fixing rings (4) are provided, and both of the two second fixing rings (4) are made of high-performance stainless steel. Both of the two second fixing rings (4) are tightly contacted and connected with the outer end surfaces of the first concrete pressing block (1) and the second concrete pressing block (2). Both of the first fixing ring (3) and the second fixing ring (4) are fixed in position with the seabed surface by piling at both sides of the bottom.

8. The concrete block protection device for submarine pipeline according to claim 1, characterized in that: A plurality of connecting shafts (5) are provided, and the plurality of connecting shafts (5) are all in contact and engaged connection with the middle of both sides of the first fixing ring (3) and both ends of both sides of the second fixing ring (4); the first fixing ring (3) and the second fixing ring (4) are both fixedly connected with the outer end surfaces of the first concrete pressing block (1) and the second concrete pressing block (2) through the connecting shafts (5).

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