LNG (Liquefied Natural Gas) liquid level meter

Abstract

The utility model discloses an LNG (Liquefied Natural Gas) liquid level meter which comprises a magnetic turning plate liquid level meter body, a display and a plurality of groups of first pipe bodies are arranged at the magnetic turning plate liquid level meter body, a plurality of groups of bolts are rotationally connected to the plurality of groups of first pipe bodies, grooved wheels are connected to the plurality of groups of bolts, and the plurality of groups of grooved wheels are driven by a belt. According to the utility model, the synchronous rotation of the plurality of groups of bolts can be realized by utilizing the transmission of the plurality of groups of grooved pulleys and the belt, so that the plurality of groups of bolts can be synchronously in threaded connection with the plurality of groups of second pipe bodies, and the synchronous connection or disassembly work of the plurality of groups of first pipe bodies and the second pipe bodies is realized, thereby greatly reducing the requirements on the operating skills and coordination of operators; the disassembly and assembly operation can be carried out more easily, the operation time is shortened, the disassembly and assembly operation can be carried out more quickly by an operator, the liquid level meter can be replaced more quickly in an emergency, and the risk of leakage of liquefied natural gas is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of LNG level gauges, and in particular to an LNG level gauge. Background Technology

[0002] LNG level gauges are instruments used to measure the level of liquefied natural gas (LNG). A U-shaped external LNG level gauge (announcement number: CN220912432U) is available. When the magnetic level gauge is damaged and needs replacement, a servo motor can be started, causing the output of the servo motor to rotate the rotating cover, blocking the liquid in the LNG tank to the right side of the fixed pipe. At this time, rotating the movable pipe allows for the disassembly and replacement of the magnetic level gauge, thus solving the problem of LNG leakage caused by replacing the magnetic level gauge.

[0003] While the aforementioned solution addresses the issue of liquefied natural gas leakage during magnetic level gauge replacement, the movable pipe and connecting pipe are connected by threads. To disconnect the two sets of movable pipes from the connecting pipe, both sets must be rotated synchronously to ensure smooth disassembly and assembly of the magnetic level gauge. With increased usage time and frequency of disassembly and assembly, this method of relying on synchronous rotation of the movable pipes may lead to a decrease in the long-term stability of the entire system. For example, the connection between the movable pipe and the connecting pipe may loosen, affecting the flow-limiting mechanism's ability to block natural gas, thus impacting the safety and accuracy of level gauge replacement operations. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an LNG level gauge.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An LNG level gauge includes a magnetic float level gauge body. A display and multiple sets of first tubes are mounted on the magnetic float level gauge body. Multiple sets of bolts are rotatably connected to each set of first tubes. Grooved wheels are connected to each set of bolts, and the grooved wheels are driven by belts. A second tube is attached to one end of each set of first tubes. The bolts are threadedly connected to corresponding second tubes. A push rod is connected to each set of first tubes. A first ring and a second ring are connected to each set of second tubes. A block is provided at each set of second tubes. A spring is connected between each block and a corresponding second ring. Each block contacts a corresponding push rod.

[0007] Preferably, a cover plate is slidably connected to the display.

[0008] Preferably, a drain valve is installed on the magnetic level gauge body.

[0009] Preferably, each of the multiple groups of blocks has a rubber pad attached to one end of the corresponding first ring body.

[0010] Preferably, the dimensions of multiple groups of blocks are larger than the corresponding inner wall dimensions of the first ring.

[0011] Preferably, each of the multiple sets of bolts is connected to a knob.

[0012] Preferably, a handrail is connected to the cover plate.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. Through the cooperation between the first pipe body, second pipe body, bolts, grooved pulleys, belts, push rods, first ring body, second ring body, springs, and blocks, and by utilizing the transmission of multiple sets of grooved pulleys and belts, multiple sets of bolts can be rotated synchronously. This allows multiple sets of bolts to be simultaneously threaded onto multiple sets of second pipe bodies, enabling synchronous connection or disassembly of multiple sets of first and second pipe bodies. This significantly reduces the skill and coordination requirements for operators, making disassembly and assembly operations easier and shortening operation time. Operators can perform disassembly and assembly operations more quickly, and in emergencies, can replace the level gauge more quickly, reducing the risk of liquefied natural gas leakage. Furthermore, when the first pipe body and second pipe body separate, the blocks will also block the first ring body and the second pipe body, effectively preventing liquefied natural gas leakage during the replacement of the magnetic level gauge body.

[0015] 2. By using the cooperation between the monitor and the cover, when the monitor is not in use, the cover can be slid down to cover the monitor, thus preventing the monitor from being damaged by external forces to a certain extent and increasing its operational stability. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of an LNG level gauge proposed in this utility model;

[0017] Figure 2 for Figure 1 A structural schematic diagram of the first pipe body, the second pipe body, and the bolts;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure of the magnetic level gauge body, display, and cover plate;

[0019] Figure 4 for Figure 1 Schematic diagram of the structure of the bolt and knob;

[0020] Figure 5 for Figure 1A cross-sectional view of the first and second tubes.

[0021] In the diagram: 1. Magnetic float level gauge body; 2. Display; 3. First tube; 4. Second tube; 5. Bolt; 6. Grooved wheel; 7. Belt; 8. Top rod; 9. First ring; 10. Second ring; 11. Spring; 12. Block; 13. Cover plate; 14. Knob; 15. Drain valve; 16. Handrail. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Example 1, referring to Figures 1 to 5 An LNG level gauge includes a magnetic float level gauge body 1, which is the core measuring component. It works based on the principle of magnetic coupling. The float moves the magnet through the buoyancy of the float in the LNG, thereby causing the float column to flip and display the liquid level. The magnetic float level gauge body 1 is equipped with a display 2 and multiple sets of first tubes 3. The display 2 is used to intuitively display the liquid level information. Multiple sets of bolts 5 are rotatably connected to the multiple sets of first tubes 3. Each set of bolts 5 is connected to a grooved wheel 6. The multiple sets of grooved wheels 6 are driven by a belt 7. The rotation of the bolts 5 is controlled by the transmission system of the grooved wheels 6 and the belt 7 to ensure that the multiple sets of bolts 5 can rotate synchronously, so as to achieve stable connection or disassembly of the first tubes 3 and the second tubes 4. This synchronous transmission method improves the convenience and reliability of operation, avoiding connection problems caused by loosening or inconsistent tightening of individual bolts 5. Multiple sets of first pipe bodies 3 are fitted with second pipe bodies 4 at one end, and multiple sets of bolts 5 are threadedly connected to their corresponding second pipe bodies 4. Multiple sets of first pipe bodies 3 are connected with push rods 8, and multiple sets of second pipe bodies 4 are connected with first ring bodies 9 and second ring bodies 10. Multiple sets of second pipe bodies 4 are equipped with blocks 12, and multiple sets of blocks 12 are connected to their corresponding second ring bodies 10 with springs 11. Multiple sets of blocks 12 are in contact with their corresponding push rods 8. When the first pipe body 3 and the second pipe body 4 are normally connected, the push rods 8 restrict the position of the blocks 12. When the first pipe body 3 moves out of the second pipe body 4, the restriction of the push rods 8 is released, and the blocks 12, under the action of the springs 11, seal the first ring bodies 9, thereby preventing LNG leakage at the second pipe bodies 4.

[0024] In this embodiment, a cover plate 13 is slidably connected to the display 2, and a drain valve 15 is installed on the magnetic float level gauge body 1 to drain impurities or liquid that may accumulate inside the level gauge, thus maintaining the normal operation of the level gauge. Rubber pads are adhered to the ends of multiple blocks 12 near the corresponding first ring 9 to further enhance the sealing effect and ensure that natural gas will not leak during the replacement of the level gauge. The size of the multiple blocks 12 is larger than the inner wall size of the corresponding first ring 9. This design ensures that the blocks 12 can effectively seal the first ring 9 and prevent natural gas from leaking from the gaps. Knobs 14 are connected to multiple bolts 5, and a handrail 16 is connected to the cover plate 13.

[0025] The working principle of this embodiment is as follows: In use, the second pipe 4 is connected to the corresponding pipe of the external liquefied natural gas storage device. After connection, the magnetic float level gauge body 1 moves up and down with the rise and fall of the liquid level according to the principle of buoyancy. The magnet inside the float drives the red and white flip columns to rotate 180 degrees through magnetic coupling. When the liquid level rises, the flip column changes from white to red, and when it falls, the flip column changes from red to white. Thus, the display 2 can display and indicate the liquid level, thereby achieving the function of measuring the height of the liquefied natural gas. In addition, during use, the handle 16 can also move the cover plate 13 to move the cover plate 1. 3. Covering the display 2 can reduce the chance of damage to the display 2 to a certain extent. If the magnetic float level gauge body 1 needs to be replaced, the knob 14 will drive a set of bolts 5 to rotate by means of the transmission of the groove wheel 6 and the belt 7. Multiple sets of bolts 5 can be disconnected from the second pipe body 4 at the same time, thereby realizing the separation operation of multiple sets of first pipe bodies 3 and corresponding second pipe bodies 4. At the same time, when the first pipe body 3 is moved out of the second pipe body 4, the top rod 8 at the first pipe body 3 will also release the restriction on the block 12, so that the block 12 can seal the first ring body 9 by means of the elastic force of the spring 11, so as to prevent natural gas from being blocked at the second pipe body 4.

[0026] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An LNG level gauge, comprising a magnetic float level gauge body (1), characterized in that, The magnetic float level gauge body (1) is equipped with a display (2) and multiple sets of first tubes (3). Multiple sets of bolts (5) are rotatably connected to the multiple sets of first tubes (3). Each set of bolts (5) is connected to a grooved wheel (6). The multiple sets of grooved wheels (6) are driven by a belt (7). Each set of first tubes (3) has a second tube (4) attached to one end. The multiple sets of bolts (5) are threaded to the corresponding second tubes (4). Each set of first tubes (3) is connected to a top rod (8). Each set of second tubes (4) is connected to a first ring (9) and a second ring (10). Each set of second tubes (4) is provided with a block (12). Each set of blocks (12) is connected to the corresponding second ring (10) with a spring (11). Each set of blocks (12) is in contact with the corresponding top rod (8).

2. The LNG level gauge according to claim 1, characterized in that, A cover plate (13) is slidably connected to the display (2).

3. An LNG level gauge according to claim 1, characterized in that, A drain valve (15) is installed on the magnetic level gauge body (1).

4. An LNG level gauge according to claim 1, characterized in that, Each of the multiple blocks (12) has a rubber pad attached to one end of the corresponding first ring (9).

5. An LNG level gauge according to claim 1, characterized in that, The dimensions of multiple blocks (12) are larger than the inner wall dimensions of the corresponding first ring (9).

6. An LNG level gauge according to claim 1, characterized in that, A knob (14) is connected to each of the bolts (5) in the multiple sets.

7. An LNG level gauge according to claim 2, characterized in that, A handrail (16) is connected to the cover plate (13).

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