Liquid level sensor mounting device for ship liquid tank

Abstract

The utility model relates to a liquid level sensor mounting device for a ship liquid tank, which comprises a quick-release flange, a protective tube, an elastic support leg and a bottom support tube, and the protective tube is inserted into the ship liquid tank through a mounting through hole in the top of the tank; the top of the protection pipe extends out of the cabin top and is additionally provided with a quick-release flange; a bottom supporting pipe is further arranged at the bottom of the protection pipe. A hydraulic sensor probe is arranged in the protection pipe and is arranged above the bottom supporting pipe; the hydraulic sensor probe is connected with the hydraulic sensor junction box through a cable, and elastic supporting legs are arranged outside the protection tube. According to the utility model, through collaborative design of the sectional type protection tube, the elastic supporting legs, the bottom supporting assembly and the top quick-release flange, quick maintenance, vibration interference resistance and high-precision measurement of the sensor are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to shipbuilding installation technical field especially relates to a liquid level sensor mounting device for ship liquid tank. BACKGROUND

[0002] The conventional ship liquid tank liquid level sensor installation adopts the welding support and the hoop fixed mode, referring to Figure 1 , has the following defects:

[0003] (1) inconvenient maintenance: the personnel repeatedly enter and exit the cabin, and the efficiency is low;

[0004] (2) poor vibration resistance: the welding structure is easy to cause the sensor loosening or damage due to the ship vibration;

[0005] (3) insufficient universality: the fixed protection tube cannot adapt to different liquid tank depths;

[0006] In the prior art, the flange connection type sensor mounting pipe is mostly adopted, but the quick disassembly and the guiding of the hydraulic sensor in the ship liquid tank are still not solved, and the conventional installation base is inconvenient for the sensor maintenance in the later period. SUMMARY

[0007] The utility model discloses a liquid level sensor mounting device for ship liquid tank, which has the functions of quick maintenance, vibration resistance and strong universality.

[0008] The utility model discloses a liquid level sensor mounting device for ship liquid tank, which has the functions of quick maintenance, vibration resistance and strong universality.

[0009] A liquid level sensor mounting device for ship liquid tank is provided, which is arranged in the ship liquid tank, the top surface of the ship liquid tank is the cabin top, the bottom surface is the cabin bottom, the cabin top is provided with a mounting through hole, and the device comprises a quick-release flange, a protection tube, elastic legs and a bottom support tube.

[0010] The protection tube is inserted into the ship liquid tank through the mounting through hole on the cabin top, the top of the protection tube extends out of the cabin top and is provided with a quick-release flange, and the bottom of the protection tube is also provided with a bottom support tube.

[0011] The protection tube is provided with not less than one elastic leg outside, one end of the elastic leg is connected to the protection tube, and the other end is welded to the inner wall of the ship liquid tank.

[0012] Further, the bottom of the protection pipe extends to a position 100mm above the bottom of the cabin.

[0013] Further, the elastic leg is made of spring steel, which fixes the protection pipe and absorbs the vibration energy of the ship.

[0014] Further, the protection pipe adopts a sectional seamless steel pipe, and adjacent two seamless steel pipes are connected through a threaded joint.

[0015] Further, the bottom support pipe adopts a round steel.

[0016] Further, the quick-release flange is provided with a buckle type locking mechanism.

[0017] Further, the inner wall of the protection pipe is additionally provided with symmetrical guide rails, and the two side surfaces of the hydraulic sensor probe are embedded with rollers, which slide along the guide rails when being pulled out, so that the friction resistance is reduced.

[0018] Further, a double-layer sealing ring is additionally arranged at the connection between the protection pipe and the quick-release flange, and the outer layer is a nitrile rubber sealing ring, and the inner layer is a polytetrafluoroethylene sealing ring.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] The utility model provides a liquid level sensor mounting device for ship liquid cabin, through the collaborative design of sectional protection pipe, elastic leg, bottom support assembly and top quick-release flange, the maintenance difficulty, vibration sensitivity and poor universality of traditional technology are systematically solved, and the following advantages are possessed:

[0021] (1) maintenance efficiency is improved: through the quick-release flange and sectional protection pipe design, the overhaul time is shortened by 70%;

[0022] (2) vibration resistance is enhanced: the elastic leg can reduce 80% vibration transmission, and prolongs the service life of the sensor;

[0023] (3) universality is expanded: the protection pipe length is adjustable, and is suitable for more than 90% standard liquid cabin. DRAWINGS

[0024] Figure 1 It is a fixing and mounting schematic view of the liquid level sensor in the existing ship liquid cabin.

[0025] Figure 2 It is a structural schematic view of the utility model.

[0026] Figure 3 It is Figure 2 the A place partial close -up of the utility model.

[0027] Among them:

[0028] Hydraulic sensor junction box 1, quick release flange 2, protective tube 3, elastic leg 4, bottom support tube 5, hydraulic sensor probe 6, cabin top 7, cabin bottom 8. DETAILED DESCRIPTION

[0029] In order to better understand the technical scheme of the utility model, the following will be described in detail in combination with relevant drawings. It should be understood that the following specific embodiments are not used to limit the specific implementation of the technical scheme of the utility model, and they are only implementation of the technical scheme of the utility model. It should be pointed out that the expression of the position relationship of each component in this paper, such as A component is located above B component, is based on the expression of the relative position of each component in the drawing, and is not used to limit the actual position relationship of each component. Embodiment 1

[0030] Referring to Figures 2-3 , Figure 2 The structure diagram of the liquid level sensor mounting device for ship liquid tank of the utility model is drawn. As shown in the figure, the liquid level sensor mounting device for ship liquid tank related by the embodiment 1 is arranged in the ship liquid tank, the top surface of the ship liquid tank is the cabin top 7, the bottom surface is the cabin bottom 8, and the cabin top 7 is provided with a mounting through hole.

[0031] The liquid level sensor mounting device for ship liquid tank related by the embodiment 1 comprises a quick release flange 2, a protective tube 3, an elastic leg 4 and a bottom support tube 5, the protective tube 3 is inserted into the ship liquid tank through the mounting through hole on the cabin top 7, the top of the protective tube 3 is extended out of the cabin top 7 and is additionally provided with the quick release flange 2, the bottom of the protective tube 3 is extended to a position 100 mm above the cabin bottom 8, and the bottom of the protective tube 3 is additionally provided with the bottom support tube 5.

[0032] The hydraulic sensor probe 6 is arranged in the protective tube 3, and the hydraulic sensor probe 6 is arranged above the bottom support tube 5.

[0033] The hydraulic sensor probe 6 is connected with the hydraulic sensor junction box 1 through a cable, the hydraulic sensor junction box 1 is arranged outside the ship liquid tank, and the cable is connected with the hydraulic sensor junction box 1 after being extended out of the protective tube 3 and the quick release flange 2.

[0034] The protective tube 3 is provided with not less than one elastic leg 4, one end of the elastic leg 4 is connected with the protective tube 3, and the other end is welded on the inner wall of the ship liquid tank, the elastic leg 4 is made of spring steel, can fix the protective tube 3 and absorb the vibration energy of the ship, and the anti-interference performance is enhanced.

[0035] The protective tube 3 is made of segmented seamless steel pipe. Adjacent seamless steel pipe segments are connected by threaded joints to achieve length adjustment and adapt to different liquid tank depths. The specifications of the seamless steel pipe are selected according to the size of the hydraulic sensor probe 6. The protective tube protects the cable and also serves as a guide for inserting and removing the hydraulic sensor probe 6.

[0036] The bottom support tube 5 is made of round steel with a diameter of 10mm. While supporting the hydraulic sensor probe 6, the bottom support tube 5 allows the liquid and the hydraulic sensor probe 6 to contact freely, ensuring the accuracy of the measurement values ​​of the hydraulic sensor probe 6.

[0037] The quick-release flange 2 has a built-in snap-locking mechanism, enabling one-handed disassembly. Example 2

[0038] This embodiment 2 relates to a liquid level sensor installation device for a ship's liquid tank, which differs from embodiment 1 in that:

[0039] The inner wall of the protective tube 3 is provided with symmetrical guide rails, and rollers are embedded on both sides of the hydraulic sensor probe 6. When pulled out, the rollers slide along the guide rails to reduce frictional resistance. Example 3

[0040] This embodiment 3 relates to a liquid level sensor installation device for a ship's liquid tank, which differs from embodiment 1 in that:

[0041] The connection between the protective pipe 3 and the quick-release flange 2 is equipped with a double-layer sealing ring, with the outer layer being nitrile rubber and the inner layer being polytetrafluoroethylene, which is suitable for high humidity environments.

[0042] Working principle:

[0043] 1. Installation process:

[0044] 1.1. Screw the protective pipe to the required length according to the depth of the liquid tank;

[0045] 1.2 Weld the flexible outriggers to the predetermined positions on the bulkhead;

[0046] 1.3 Insert the sensor probe and push it to the bottom support tube;

[0047] 1.4 Tighten the top flange clips to complete the seal.

[0048] 2. Maintenance process:

[0049] 2.1. Open the flange clips and pull out the sensor;

[0050] 2.2 After maintenance, insert the protective pipe and reset the flange.

[0051] This invention provides an installation device for a liquid level sensor in a ship's liquid tank. When inspecting the sensor, the maintenance personnel only need to remove the quick-release flange from the tank top and pull the sensor directly out for inspection. After inspection or replacement, the sensor is returned to the protective tube along its original path, and the quick-release flange is reset. This installation device eliminates the need for maintenance personnel to repeatedly enter and exit the liquid tank when inspecting the sensor, significantly shortening maintenance time and improving the maintainability of the sensor.

[0052] The above are merely specific application examples of this utility model and do not constitute any limitation on the scope of protection of this utility model. All technical solutions formed by equivalent transformations or equivalent substitutions fall within the scope of protection of this utility model.

Claims

1. A liquid level sensor installation device for a ship's liquid tank, wherein the liquid tank is installed inside the ship's liquid tank, the top surface of the liquid tank is the tank top (7), the bottom surface is the tank bottom (8), and the tank top (7) is provided with an installation through hole, characterized in that: It includes a quick-release flange (2), a protective pipe (3), a flexible support leg (4), and a bottom support pipe (5). The protective pipe (3) is inserted into the ship's liquid tank through the mounting through hole on the tank top (7). The top of the protective pipe (3) extends out of the tank top (7) and is fitted with a quick-release flange (2). The bottom of the protective pipe (3) is also provided with a bottom support pipe (5). A hydraulic sensor probe (6) is installed inside the protective tube (3), and the hydraulic sensor probe (6) is located above the bottom support tube (5); the hydraulic sensor probe (6) is connected to the hydraulic sensor junction box (1) via a cable, and the hydraulic sensor junction box (1) is located outside the ship's liquid tank. The cable extends out of the protective tube (3) and the quick-release flange (2) and then connects to the hydraulic sensor junction box (1). The protective tube (3) is provided with at least one elastic support leg (4) on its outside. One end of the elastic support leg (4) is connected to the protective tube (3), and the other end is welded to the inner wall of the ship's liquid tank.

2. The liquid level sensor installation device for a ship's liquid tank according to claim 1, characterized in that: The bottom of the protective tube (3) extends to a position 100mm above the bottom of the hull (8).

3. The liquid level sensor installation device for a ship's liquid tank according to claim 1, characterized in that: The elastic outrigger (4) is made of spring steel and absorbs the ship's vibration energy while fixing the protective tube (3).

4. The liquid level sensor installation device for a ship's liquid tank according to claim 1, characterized in that: The protective pipe (3) is made of segmented seamless steel pipe, and adjacent seamless steel pipe segments are connected by threaded joints.

5. The liquid level sensor installation device for a ship's liquid tank according to claim 1, characterized in that: The bottom support tube (5) is made of round steel.

6. The liquid level sensor installation device for a ship's liquid tank according to claim 1, characterized in that: The quick-release flange (2) has a built-in snap-locking mechanism.

7. The liquid level sensor installation device for a ship's liquid tank according to claim 1, characterized in that: The inner wall of the protective tube (3) is provided with symmetrical guide rails, and the two sides of the hydraulic sensor probe (6) are fitted with rollers. When the probe is pulled out, the rollers slide along the guide rails to reduce frictional resistance.

8. A liquid level sensor installation device for a ship's liquid tank according to claim 5, characterized in that: A double-layer sealing ring is added at the connection between the protective pipe (3) and the quick-release flange (2), with the outer layer being a nitrile rubber sealing ring and the inner layer being a polytetrafluoroethylene sealing ring.

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