Safety warning device for unloading liquefied natural gas

Abstract

The utility model discloses a safety warning device for liquid unloading of liquefied natural gas, and particularly relates to the technical field of safety warning of liquid unloading of natural gas, the safety warning device comprises a warning mechanism, the outer surface of the warning mechanism is fixedly connected with a limiting mechanism, and the left side of the top of the limiting mechanism is fixedly connected with a mounting mechanism. The right end of the limiting mechanism is fixedly connected with a handle, and the bottom of the warning mechanism is fixedly connected with a collecting mechanism. When the safety warning device is used, a sliding seat is clamped into the opposite sides of two clamping tooth plates in the installation sliding seat, a limiting ring is arranged on the outer surface of a limiting rod in a sleeving mode, the position of a hand-held shifting piece is pressed downwards till the two clamping blocks are clamped into clamping grooves, and then the purpose of installing the device can be achieved. When the pipeline is disassembled, the opposite steps are carried out, leakage detection is carried out on the pipeline through the leakage detection device, and when a leakage signal is detected, an alarm is given out through the alarm, so that the purposes of prompting and warning are achieved.

Description

Technical Field

[0001] This utility model relates to the field of natural gas unloading safety warning technology, and in particular to a safety warning device for unloading liquefied natural gas. Background Technology

[0002] Liquefied natural gas (LNG) is a fuel that converts natural gas into a liquid state by cooling and pressurizing it at room temperature.

[0003] Liquefied natural gas (LNG) leaks can cause fires, explosions, and environmental pollution. Safety warning devices are systems used to monitor and control potential risks during LNG unloading, enabling timely detection of leaks and prompt action. These devices aim to ensure the safety of operators, protect facilities from damage, and prevent environmental pollution.

[0004] Chinese patent publication number CN221858349U discloses a liquefied natural gas (LNG) unloading safety warning device. The LNG unloading safety warning device includes an upper shell and a lower shell. One end of the upper shell has an upper rotating block, and the other end has an upper connecting block. A screw is rotatably mounted on the upper connecting block, and a nut is rotatably mounted on one end of the screw. One end of the lower shell has a lower rotating block and a rotating shaft, connected to the upper rotating block via the rotating shaft. The other end of the lower shell has a lower connecting block with a first threaded hole. The LNG unloading safety warning device provided by the above patent, by setting up an upper and lower shell and utilizing the rotation of the upper and lower rotating blocks around the rotating shaft to close the upper and lower shells, thereby clamping the unloading pipe for safety warning. This facilitates safety warnings of leakage at the end and middle of the unloading pipe.

[0005] Existing safety warning devices for liquefied natural gas unloading mostly involve installing or removing the detection device by disassembling a threaded rod, which is quite cumbersome and may affect work efficiency in actual use. Utility Model Content

[0006] The main purpose of this utility model is to provide a safety warning device for unloading liquefied natural gas, which can effectively solve the problem that existing safety warning devices for unloading liquefied natural gas often require installation or disassembly of the detection device by removing and installing a threaded rod, which is relatively troublesome and may affect the efficiency of work in actual use.

[0007] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0008] A safety warning device for unloading liquefied natural gas includes a warning mechanism, a limiting mechanism fixedly connected to the outer surface of the warning mechanism, an installation mechanism fixedly connected to the left side of the top of the limiting mechanism, a handle fixedly connected to the right end of the limiting mechanism, and a collection mechanism fixedly connected to the bottom of the warning mechanism.

[0009] The warning mechanism includes an upper clamping clamp seat, and a liquid collecting clamp seat is provided at the lower end of the upper clamping clamp seat. The upper clamping clamp seat and the liquid collecting clamp seat are arranged symmetrically from top to bottom. An installation seat is fixedly connected to the inner side of the upper clamping clamp seat, and a leakage seat is fixedly connected to the inner side of the liquid collecting clamp seat. Leakage detection devices are fixedly connected to the opposite sides of the leakage seat and the installation seat.

[0010] The lower side of the outer surface of the upper clamping clamp seat and the upper side of the outer surface of the liquid collecting clamp seat are symmetrically fixed to the left and right. The upper part of the inner surface of the two fixed seats at the lower end is provided with a slot on the side near the liquid collecting clamp seat. The inner surface of the two slots is engaged with a block. The top of the two blocks is fixedly connected to the bottom of the two fixed seats at the upper end.

[0011] Preferably, the upper side of the outer surface of the upper clamping clamp seat is symmetrically fixed with paddles, the top of the upper clamping clamp seat is fixedly connected with a data processing unit, and the top of the data processing unit is fixedly connected with an alarm.

[0012] Preferably, a limiting rod is fixedly connected to the right side of the top of the fixed seat located at the lower right end, and a limiting ring is fixedly connected to the right end of the fixed seat located at the upper right end, with the limiting rod and the limiting ring being slidably connected.

[0013] Preferably, a mounting slide is fixedly connected to the left side of the top of the fixed seat located on the lower left side. A sliding seat is slidably connected to the inner surface of the mounting slide. The right end of the sliding seat is fixedly connected to the left end of the upper left fixed seat. A toothed plate is symmetrically fixedly connected to the outer surface of the sliding seat. Limiting telescopic plates are slidably connected to the opposite sides of the two toothed plates. Limiting telescopic plates are symmetrically fixedly connected to the opposite sides of the two toothed plates. The opposite ends of the two limiting telescopic plates located at the same end are respectively fixedly connected to the front and rear sides of the inner surface of the mounting slide.

[0014] Preferably, the bottom of the liquid collecting clamp is fixedly connected to a discharge port, the lower end of the outer surface of the discharge port is threadedly connected to a threaded sleeve seat, and the bottom of the threaded sleeve seat is fixedly connected to a collecting box.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] In the implementation of this utility model, by setting up an installation mechanism, the existing safety warning devices for liquefied natural gas unloading mostly install or disassemble the detection device by disassembling and assembling threaded rods, which is relatively cumbersome and may affect work efficiency in actual use. Therefore, by installing limiting mechanisms and installation mechanisms at the left and right ends of the warning mechanism, the slot and the block are engaged, and the limiting rod and the limiting ring are slidably connected, which can initially fix the warning mechanism to the natural gas pipeline. While the limiting mechanisms are engaged or slidably connected, the installation mechanism is connected to the installation slide seat by sliding seat, which strengthens the fixing effect of the warning mechanism on the basis of the limiting mechanism. The overall operation is simple and convenient, which helps to improve the speed of installation or disassembly of the warning mechanism when detecting leaks in natural gas pipelines.

[0017] In the implementation of this utility model, by setting up a collection mechanism, an arc-shaped liquid collection groove is provided on the inner surface of the liquid collection clamp. When a leak occurs in the pipeline, the leaking liquid can flow into the inside of the collection box through the leak seat and the liquid collection clamp for subsequent recycling. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the warning mechanism structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the limiting mechanism structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the sliding seat structure of this utility model;

[0022] Figure 5 This is a partial cross-sectional view of the installation mechanism of this utility model;

[0023] Figure 6 This is a partial cross-sectional view of the collection mechanism of this utility model.

[0024] In the diagram: 1. Warning mechanism; 101. Upper clamping clamp seat; 102. Paddle; 103. Data processing unit; 104. Alarm; 105. Liquid collection clamp seat; 106. Leakage seat; 107. Mounting seat; 108. Leakage detection device; 2. Limiting mechanism; 201. Fixed seat; 202. Slot; 203. Clamping block; 204. Limiting rod; 205. Limiting ring; 3. Mounting mechanism; 301. Mounting slide; 302. Spring; 303. Limiting telescopic plate; 304. Clamping tooth plate; 305. Sliding seat; 4. Handle; 5. Collection mechanism; 501. Discharge port; 502. Threaded sleeve seat; 503. Collection box. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] Example 1

[0027] like Figure 1 As shown, a safety warning device for unloading liquefied natural gas includes a warning mechanism 1, a limiting mechanism 2 fixedly connected to the outer surface of the warning mechanism 1, an installation mechanism 3 fixedly connected to the left side of the top of the limiting mechanism 2, a handle 4 fixedly connected to the right end of the limiting mechanism 2, and a collection mechanism 5 fixedly connected to the bottom of the warning mechanism 1.

[0028] In this embodiment, the sliding seat 305 is placed between two leakage detection devices 108. The sliding seat 305 is inserted into the opposite sides of the two toothed plates 304 inside the mounting slide 301. The limiting ring 205 is sleeved on the outer surface of the limiting rod 204. Press down on the lever 102 until both locking blocks 203 are inserted into the slots 202. This achieves the purpose of installing the device. When disassembling, the reverse steps are performed. The operation is simple and convenient.

[0029] Two leak detection devices 108 are used to detect leaks in the pipeline. The detected data is sent to the data processing unit 103 for conversion and processing. When a leak signal is detected, an alarm is issued by the alarm 104 to achieve the purpose of prompting and warning.

[0030] The warning mechanism 1 includes an upper clamping clamp seat 101, and a liquid collecting clamp seat 105 is provided at the lower end of the upper clamping clamp seat 101. The upper clamping clamp seat 101 and the liquid collecting clamp seat 105 are arranged symmetrically from top to bottom. An installation seat 107 is fixedly connected to the inner side of the upper clamping clamp seat 101, and a leakage seat 106 is fixedly connected to the inner side of the liquid collecting clamp seat 105. Leakage detection devices 108 are fixedly connected to the opposite sides of the leakage seat 106 and the installation seat 107.

[0031] A fixing seat 201 is symmetrically fixed to the lower side of the outer surface of the upper clamping clamp seat 101 and the upper side of the outer surface of the liquid collecting clamp seat 105. A slot 202 is provided on the upper part of the inner surface of the two fixing seats 201 at the lower end, near the liquid collecting clamp seat 105. A locking block 203 is engaged with the inner surface of the two slots 202. The tops of the two locking blocks 203 are fixedly connected to the bottoms of the two upper fixing seats 201 respectively. A limiting rod 204 is fixedly connected to the right side of the top of the fixing seat 201 at the lower right end. A limiting ring 205 is fixedly connected to the right end of the fixing seat 201 at the upper right end. The limiting rod 204 and the limiting ring 205 are slidably connected.

[0032] Further reference Figure 1 and Figure 2 In this embodiment, a lever 102 is symmetrically fixedly connected to the upper side of the outer surface of the upper clamping clamp seat 101, a data processing unit 103 is fixedly connected to the top of the upper clamping clamp seat 101, and an alarm 104 is fixedly connected to the top of the data processing unit 103.

[0033] Further reference Figure 1 , Figure 4 and Figure 5 In this embodiment, a mounting slide 301 is fixedly connected to the left side of the top of the fixed seat 201 located on the lower left side. A sliding seat 305 is slidably connected to the inner surface of the mounting slide 301. The right end of the sliding seat 305 is fixedly connected to the left end of the upper left fixed seat 201. A toothed plate 304 is symmetrically fixedly connected to the outer surface of the sliding seat 305. A limiting telescopic plate 303 is slidably connected to the opposite sides of the two toothed plates 304. A limiting telescopic plate 303 is symmetrically fixedly connected to the opposite sides of the two toothed plates 304. The opposite ends of the two limiting telescopic plates 303 located at the same end are respectively fixedly connected to the front and rear sides of the inner surface of the mounting slide 301.

[0034] By installing limiting mechanisms 2 and installation mechanisms 3 at the left and right ends of the warning mechanism 1, the slot 202 and the block 203 are engaged, and the limiting rod 204 and the limiting ring 205 are slidably connected, thus initially fixing the warning mechanism 1 to the natural gas pipeline. While the limiting mechanisms 2 are engaged or slidably connected, the installation mechanism 3 is slidably connected to the installation slide 301 via the sliding seat 305. Based on the limiting mechanisms 2, the fixing effect of the warning mechanism 1 is strengthened. The overall operation is simple and convenient, which helps to improve the speed of installation or disassembly of the warning mechanism 1 when detecting leaks in natural gas pipelines.

[0035] Example 2

[0036] This embodiment adds a collection mechanism 5 to collect the leaked liquid at the warning mechanism 1, based on the first embodiment. By setting up a collection box 503, the leaked liquid can be temporarily collected and stored for subsequent recycling.

[0037] For details, please refer to Figure 2 and Figure 6 In this embodiment, a discharge port 501 is fixedly connected to the bottom of the liquid collection clamp 105, and a threaded sleeve seat 502 is threadedly connected to the lower end of the outer surface of the discharge port 501. A collection box 503 is fixedly connected to the bottom of the threaded sleeve seat 502.

[0038] The inner surface of the liquid collection clamp 105 is provided with an arc-shaped liquid collection groove. When a leak occurs in the pipeline, the leaking liquid can flow into the collection box 503 through the inside of the leak seat 106 and the liquid collection clamp 105 for subsequent recycling.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A safety warning device for liquefied natural gas unloading, comprising a warning mechanism (1), characterized in that: The outer surface of the warning mechanism (1) is fixedly connected with a limiting mechanism (2), the left top of the limiting mechanism (2) is fixedly connected with a mounting mechanism (3), the right end of the limiting mechanism (2) is fixedly connected with a handle (4), and the bottom of the warning mechanism (1) is fixedly connected with a collecting mechanism (5); The warning mechanism (1) comprises an upper clamping clamp seat (101), the lower end of the upper clamping clamp seat (101) is provided with a liquid collecting clamping seat (105), the upper clamping clamp seat (101) and the liquid collecting clamping seat (105) are symmetrically arranged upwards and downwards, the inner side of the upper clamping clamp seat (101) is fixedly connected with a mounting seat (107), the inner side of the liquid collecting clamping seat (105) is fixedly connected with a leakage seat (106), and the opposite sides of the leakage seat (106) and the mounting seat (107) are fixedly connected with leakage detection devices (108). The lower side of the outer surface of the upper clamping clamp seat (101) and the upper side of the outer surface of the liquid collecting clamping seat (105) are fixedly connected with fixed seats (201) which are symmetrically arranged left and right, the inner surfaces of the two fixed seats (201) at the lower end are provided with clamping grooves (202) on the side close to the liquid collecting clamping seat (105) at the upper part, the inner surfaces of the two clamping grooves (202) are clamped and connected with clamping blocks (203), and the top portions of the two clamping blocks (203) are fixedly connected to the bottoms of the two fixed seats (201) at the upper end.

2. A safety warning device for LNG unloading according to claim 1, characterized in that: The upper side of the outer surface of the upper clamping clamp seat (101) is fixedly connected with a pushing piece (102) which is symmetrically arranged front and back, the top of the upper clamping clamp seat (101) is fixedly connected with a data processing unit (103), and the top of the data processing unit (103) is fixedly connected with an alarm (104).

3. A safety warning device for LNG unloading according to claim 1, characterized in that: The right side of the top of the fixed seat (201) on the right side at the lower end is fixedly connected with a limiting rod (204), and the right end of the fixed seat (201) on the right side at the upper end is fixedly connected with a limiting ring (205).

4. A safety warning device for LNG unloading according to claim 1, characterized in that: The left side of the top of the fixed seat (201) on the left side at the lower end is fixedly connected with a mounting sliding seat (301), the inner surface of the mounting sliding seat (301) is slidably connected with a sliding seat (305) which is arranged upwards and downwards, the right end of the sliding seat (305) is fixedly connected to the left end of the fixed seat (201) on the left side at the upper end, the outer surface of the sliding seat (305) is fixedly connected with clamping tooth plates (304) which are symmetrically arranged front and back, the opposite sides of the two clamping tooth plates (304) are slidably connected with limiting telescopic plates (303), the opposite sides of the two clamping tooth plates (304) are fixedly connected with limiting telescopic plates (303) which are symmetrically arranged upwards and downwards, and the opposite ends of the two limiting telescopic plates (303) on the same end are respectively fixedly connected to the front and back sides of the inner surface of the mounting sliding seat (301).

5. A safety warning device for LNG unloading according to claim 1, characterized in that: The bottom of the liquid collecting clamping seat (105) is fixedly connected with a discharge port (501), the lower end of the outer surface of the discharge port (501) is threadedly connected with a threaded sleeve seat (502), and the bottom of the threaded sleeve seat (502) is fixedly connected with a collecting box (503).

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