U-shaped pipe device for ship inclination test swing observation

Abstract

The utility model relates to a U-shaped pipe device for observing the swing of a ship inclination test, which belongs to the technical field of ship construction and comprises a U-shaped pipe body and bases, the bases are respectively arranged on two sides of the U-shaped pipe body, and the U-shaped pipe body is arranged on a ship in the air through the bases. The U-shaped pipe body comprises a transparent hose and transparent hard pipes, scales are marked on the outer surfaces of the transparent hard pipes to form scales, the two ends of the transparent hose are connected with the transparent hard pipes which are vertically arranged respectively, and bases are arranged on the transparent hard pipes respectively; the base comprises a balancing weight, toggle plates and a circular pipe sleeve, the balancing weight is of a circular ring structure, the toggle plates are evenly distributed on the upper surface of the ring face of the balancing weight and connected through the circular pipe sleeve, one end of each toggle plate is connected with the balancing weight, the other end of each toggle plate is connected with the circular pipe sleeve, and the transparent hard pipe is sleeved with the circular pipe sleeve. An elastic rubber sleeve is arranged between the circular tube sleeve and the transparent hard tube for connection and fixation; the device is easy to manufacture, convenient to use and capable of being quickly assembled and repeatedly used.

Description

Technical Field

[0001] The utility model relates to a U-shaped tube device, in particular to a U-shaped tube device for observing the swing amplitude of a ship during an inclining test, belonging to the technical field of shipbuilding. Background Technique

[0002] When measuring the swing amplitude device during the inclining test of ships such as cargo ships and passenger ships, a plumb bob and a water tank are arranged on the inner bottom plate or deck in front of the cargo hold bulkhead or the superstructure enclosure wall for measurement. With the further development of the ocean, various offshore engineering ships have emerged. Most of them do not have a borrowable cargo hold bulkhead, or the deck layout is complex and there is no place to arrange the traditional water tank and pendulum device. Shipyards have to spend a lot of labor to make a temporary support more than 10m high to support the pendulum or build a flat platform surface to arrange the water tank. After the test, the support or platform has to be demolished for the second time, and the investment in construction materials and labor is relatively large.

[0003] Currently, the patent CN206719472U, a transverse inclination measurement tool based on ship inclining test, includes a floating body, a transparent U-shaped tube with both ends open, and a support frame for supporting the transparent U-shaped tube. The surface wall of the transparent U-shaped tube is marked with scales. The floating body is placed inside the transparent U-shaped tube to detect whether the horizontal position of the transparent U-shaped tube is balanced. By setting the transparent U-shaped tube and the floating body, and marking scales on the transparent U-shaped tube, when in use, the floating body is placed inside the U-shaped transparent tube. According to the angle corresponding to the position where the floating body moves, it represents the angle of the ship's transverse inclination. It has the characteristics of accurate measurement data, convenient use, fast measurement, and simple structure. However, this measurement tool also needs to be installed on a deck platform and is not suitable for a complex deck layout. Moreover, this tool is fixed by a support frame, and its direct placement has poor stability. Other fixing methods are complex for installation and disassembly and inconvenient to use.

[0004] The patent CN206885291U, a portable ship balance measurement device, includes two wooden boards. Each wooden board is fixed with a scale. A "U"-shaped water pipe is fixed on the two wooden boards. The two ends of the "U"-shaped water pipe are provided with on-off valves. Water is filled in the "U"-shaped water pipe to make the positions of the water columns at both ends corresponding to the scales consistent. It can measure the inclination degree of the ship's hull during loading and unloading, ballast navigation on-site conveniently and timely, enabling the crew to more intuitively and accurately master the ship balance degree, ensuring that the crew understands the reliability of ship balance measurement, and can also regularly measure and inspect the relevant equipment and instruments for measuring the ship's inclination degree through actual measurement. However, this patent is used for roughly estimating the floating state of the ship during navigation, and the accuracy is unreliable. Moreover, it does not elaborate on how to install it on the ship. For the current offshore engineering ships with structural changes, the installation and disassembly of such measurement devices have become a major problem.

[0005] Therefore, it has become a technical problem urgently to be solved by those skilled in the art to develop a U-shaped tube device for observing the swing amplitude of ship inclining tests that can overcome the above defects. Summary of the Utility Model

[0006] The technical problem to be solved by the present utility model is to overcome the defects of the prior art and provide a U-shaped tube device for observing the swing amplitude of ship inclining tests. This device is simple to manufacture, convenient to use, and can be quickly assembled and reused.

[0007] To solve the above technical problems, the present utility model provides a U-shaped tube device for observing the swing amplitude of ship inclining tests, which includes a U-shaped tube body and a base. Bases are respectively provided on both sides of the U-shaped tube body, and the U-shaped tube body is set on the ship through the bases in a suspended manner;

[0008] The U-shaped tube body includes a transparent flexible tube and a transparent rigid tube. A scale is formed by marking scales on the outer surface of the transparent rigid tube. The two ends of the transparent flexible tube are respectively connected to vertically arranged transparent rigid tubes, and bases are respectively provided on the transparent rigid tubes;

[0009] The base includes a counterweight, an elbow plate, and a round tube sleeve. The counterweight is in a ring structure. Several elbow plates are evenly distributed on the upper surface of the ring surface of the counterweight. The several elbow plates are connected by a round tube sleeve. One end of the elbow plate is connected to the counterweight, and the other end is connected to the round tube sleeve. The round tube sleeve is sleeved outside the transparent rigid tube, and an elastic rubber sleeve is provided between the round tube sleeve and the transparent rigid tube for connection and fixation.

[0010] A further limited technical solution of the present utility model is:

[0011] Further, in the aforementioned U-shaped tube device for observing the swing amplitude of ship inclining tests, the transparent flexible tube is a PVC transparent plastic flexible tube.

[0012] Technical effect: The PVC transparent plastic flexible tube adopted by the present utility model has thermal expansibility, can be quickly sleeved on the acrylic rigid tube after being soaked in hot water, is convenient to use, and has strong firmness.

[0013] In the aforementioned U-shaped tube device for observing the swing amplitude of ship inclining tests, the transparent rigid tube is an acrylic transparent plastic rigid tube.

[0014] Technical effect: Instead of using glass material, if other components on the ship touch the glass material, it may be damaged and the work cannot proceed normally. By using acrylic transparent plastic hard material, it has strong durability, is not easy to break and damage, prolongs its service life, and ensures the normal progress of the work.

[0015] In the aforementioned U-shaped tube device for observing the swing amplitude of ship inclining tests, the inner diameter of the transparent flexible tube is 0.5 - 1 mm smaller than the outer diameter of the transparent rigid tube.

[0016] Technical effect: strictly control the size between the transparent hose and the transparent hard tube, so that the hose can be put on the outside of the hard tube without falling off, thus improving stability.

[0017] In the aforementioned U-tube device for observing the swing amplitude of a ship tilt test, a transparent hose is sleeved outside a transparent hard tube, and a snap-on tie is provided at the connection between the transparent hose and the transparent hard tube.

[0018] Technical effect: The utility model arranges a transparent hose outside a transparent hard tube. Since the PVC transparent plastic hose has thermal expansion, it can be quickly put on the acrylic hard tube after being soaked in hot water. It is easy to use and has strong firmness. After being put on, it can be fastened with a live cable tie to prevent falling off and leakage, thereby further increasing stability.

[0019] In the aforementioned U-tube device for observing the swing amplitude of a ship tilt test, the snap-fit ​​tie is located below the circular tube sleeve on the base.

[0020] The technical effect is that it is convenient to directly open the cable tie to remove or replace the transparent hose during disassembly. The design is reasonable and easy to use.

[0021] In the aforementioned U-tube device for observing the swing amplitude of a ship tilting test, three brackets are evenly distributed on the counterweight.

[0022] Technical effect: the utility model has three evenly distributed pieces, and the three points have stronger stability, which is conducive to setting the entire device on the ship and effectively preventing tipping.

[0023] In the aforementioned U-tube device for observing the swing amplitude of the ship tilt test, a scale is formed by marking scale values ​​vertically upward from the 0 scale along the length direction of the transparent rigid tube, and the 0 scale of the scale on the transparent rigid tube is 10-20mm away from the intersection of the upper end of the circular tube sleeve and the transparent rigid tube.

[0024] Technical effect: the 0 scale of the ruler is 10-20mm from the upper end of the circular sleeve. It is placed a little higher because the liquid surface is horizontal. After the ship tilts, one side of the liquid surface where the liquid surface and the sleeve overlap will be below the circular sleeve, which is not conducive to observation. Therefore, it is placed 10-20mm higher for easy observation. There will be no error due to the obstruction of the base, thus ensuring accuracy.

[0025] In the aforementioned U-tube device for observing the swing amplitude of the ship tilt test, the scale on the transparent hard tube is a 1.5m scale with mm unit scale.

[0026] In the aforementioned U-tube device for observing the swing amplitude in a ship tilt test, the base and the snap-on tie are both made of stainless steel.

[0027] The beneficial effects of the utility model are:

[0028] The utility model is used for the inclining experiment of newly built ships and major refitted ships to measure the ship's inclination angle. It is used on the complex decks of unconventional ships (such as engineering ships or marine aquaculture ships). There is no need to use a large amount of materials to build a bracket more than 10m high for placing a pendulum or build a flat platform surface to arrange a water tank. After the experiment, workers also need to arrange for the secondary demolition of the bracket or platform. After the experiment, only need to untie the cable ties fixing the connection between the transparent hose and the reading transparent hard pipe, then the transparent hose can be removed, and then the base can be disassembled from the transparent hard pipe, and they can be disassembled one by one and transported off the ship. The weight of a single component is light and the structure is small, which is convenient for transportation, saving a large amount of materials and labor input. This device meets the requirements of the "Ship's Inclining Experiment" CB / T 3035-2005 standard. When the ship needs to be tested, it can be quickly assembled with quick-release cable ties for repeated use. With the characteristics of high efficiency, safety and environmental protection, this device provides a strong guarantee for shipbuilding.

[0029] The transparent hard pipe of the utility model is designed with a base made of stainless steel, and a counterweight block can be placed on the base very stably on the ship deck.

[0030] The utility model invents a U-shaped tube device for observing the swing amplitude during the ship's inclining experiment for current offshore engineering ships. It can be quickly arranged at both sides of the main deck of the ship, and can quickly and accurately read the swing amplitude value during the experiment. After the experiment, only need to untie the quick-release stainless steel cable ties connecting the hose and the reading hard acrylic pipe, then the device can be disassembled and transported off the ship. This device meets the requirements of the "Ship's Inclining Experiment" CB / T 3035-2005 standard. When the ship needs to be tested, it can be quickly assembled with quick-release stainless steel cable ties for repeated use. It has strong economy, safety and environmental protection, is easy to use, and can quickly and accurately read the data during the experiment. Brief Description of the Drawings

[0031] Figure 1 It is a schematic structural diagram of the U-shaped tube device for observing the swing amplitude during the ship's inclining experiment in the embodiment of the utility model;

[0032] Figure 2 is Figure 1 a schematic structural diagram of the base in

[0033] Figure 3 is Figure 2 a top view of

[0034] Figure 4 is Figure 1 a schematic structural diagram of the U-shaped tube body in

[0035] Figure 5 is a schematic diagram of the utility model during operation;

[0036] In the figure: 1 - base, 2 - transparent hose, 3 - transparent rigid tube, 4 - counterweight, 5 - gusset plate, 6 - circular tube sleeve, 7 - elastic rubber sleeve, 8 - quick-release cable tie. Specific implementation mode

[0037] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; as long as the technical features involved in the various implementation modes of the present invention do not conflict with each other, they can be combined with each other. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Embodiment 1

[0038] A U-shaped tube device for observing the swing amplitude of a ship tilt test provided in this embodiment has a structure as Figure 1 shown, including a U-shaped tube body and a base 1. Bases 1 are respectively provided on both sides of the U-shaped tube body, and the U-shaped tube body is suspended on the ship through the base 1;

[0039] As Figure 4 shown, the U-shaped tube body includes 1 PVC transparent plastic hose with an inner diameter of 19 mm and 2 acrylic transparent plastic rigid tubes with an outer diameter of 20 mm and a length of 2.1 m marked with a scale in mm units. The outer surface of the acrylic transparent plastic rigid tube is marked with a scale to form a 1.5 m scale in mm units. The scale values are vertically marked upward from the 0 scale along the length direction of the transparent rigid tube 3 to form a scale. The 0 scale on the scale of the transparent rigid tube 3 is 10 - 20 mm away from the junction of the upper end of the circular tube sleeve 6 and the transparent rigid tube 3. Both ends of the PVC transparent plastic hose are respectively sleeved outside the vertically arranged acrylic transparent plastic rigid tubes. A stainless steel quick-release cable tie 8 is provided at the connection between the PVC transparent plastic hose and the acrylic transparent plastic rigid tubes. Stainless steel bases 1 are respectively provided on the acrylic transparent plastic rigid tubes, and the quick-release cable tie 8 is located below the circular tube sleeve 6 on the base 1;

[0040] As Figures 2-3 shown, the base 1 includes a counterweight 4, a gusset plate 5 and a circular tube sleeve 6. The counterweight 4 is a ring structure. Three gusset plates 5 are evenly distributed on the upper surface of the ring surface of the counterweight 4. The three gusset plates 5 are connected through a circular tube sleeve 6. One end of the gusset plate 5 is connected to the counterweight 4, and the other end is connected to the circular tube sleeve 6. The circular tube sleeve 6 is sleeved outside the transparent rigid tube 3, and an elastic rubber sleeve 7 is provided between the circular tube sleeve 6 and the transparent rigid tube 3 for connection and fixation.

[0041] In this embodiment, the materials and dimensional data of the components used in the U-shaped tube device are shown in Table 1;

[0042] Table 1 Material and Dimension Data of Components Used in the U-shaped Tube Device of the Present Utility Model

[0043]

[0044] During specific implementation, when conducting tests, two acrylic transparent plastic rigid tubes for reading are arranged near the ship's side on the main deck through the base 1. After filling with water, the PVC transparent plastic hose connected in the middle should be inspected and air bubbles removed. The swing amplitude value after each ship tilt is measured from the acrylic transparent plastic rigid tube marked with a scale in mm units as Figure 5 shown.

[0045] In addition to the above embodiments, the present utility model may also have other implementation manners. All technical solutions formed by equivalent substitution or equivalent transformation fall within the protection scope required by the present utility model.

Claims

1. A U-tube device for observing the swing amplitude of a ship tilt test, characterized in that: It comprises a U-shaped tube body and a base (1), wherein the bases (1) are respectively arranged on both sides of the U-shaped tube body, and the U-shaped tube body is suspended in the air on a ship through the bases (1); The U-shaped tube body comprises a transparent hose (2) and a transparent hard tube (3); the outer surface of the transparent hard tube (3) is marked with scales to form a scale; both ends of the transparent hose (2) are respectively connected to the vertically arranged transparent hard tube (3); and the base (1) is respectively provided on the transparent hard tube (3); The base (1) comprises a counterweight (4), a toggle plate (5) and a circular tube sleeve (6); the counterweight (4) is a circular ring structure; a plurality of toggle plates (5) are evenly distributed on the upper surface of the ring surface of the counterweight (4); the plurality of toggle plates (5) are connected via the circular tube sleeve (6); one end of the toggle plate (5) is connected to the counterweight (4), and the other end is connected to the circular tube sleeve (6); the circular tube sleeve (6) is sleeved outside the transparent hard tube (3); an elastic rubber sleeve (7) is provided between the circular tube sleeve (6) and the transparent hard tube (3) for connection and fixing.

2. The U-tube device for observing the swing amplitude of a ship tilt test according to claim 1, characterized in that: The transparent hose (2) is a PVC transparent plastic hose.

3. The U-tube device for observing the swing amplitude of a ship tilt test according to claim 1, characterized in that: The transparent hard tube (3) is an acrylic transparent plastic hard tube.

4. The U-tube device for observing the swing amplitude of a ship tilt test according to claim 1, characterized in that: The inner diameter of the transparent hose (2) is 0.5-1 mm smaller than the outer diameter of the transparent hard tube (3).

5. The U-tube device for observing the swing amplitude of a ship tilt test according to claim 1, characterized in that: The transparent hose (2) is sleeved outside the transparent hard tube (3), and a snap-on tie (8) is provided at the connection between the transparent hose (2) and the transparent hard tube (3).

6. The U-tube device for observing the swing amplitude of a ship tilt test according to claim 5, characterized in that: The snap-on tie (8) is located below the circular tube sleeve (6) on the base (1).

7. The U-tube device for observing the swing amplitude of a ship tilt test according to claim 1, characterized in that: Three toggle plates (5) are evenly distributed on the counterweight block (4).

8. The U-tube device for observing the swing amplitude of a ship tilt test according to claim 1, characterized in that: A scale is formed by marking scale values ​​vertically upward from the 0 scale mark along the length direction of the transparent hard tube (3), and the 0 scale mark on the transparent hard tube (3) is 10-20 mm away from the intersection of the upper end of the circular tube sleeve (6) and the transparent hard tube (3).

9. The U-tube device for observing the swing amplitude of a ship tilt test according to claim 1, characterized in that: The scale on the transparent rigid tube (3) is a 1.5 m scale with a scale in mm.

10. The U-tube device for observing the swing amplitude of a ship tilt test according to claim 6, characterized in that: The base (1) and the snap-on cable tie (8) are both made of stainless steel.

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