CN109269721B

CN109269721B - Method for ensuring free floating of ship in determination experiment

Info

Publication number: CN109269721B
Application number: CN201811131007.1A
Authority: CN
Inventors: 张天平; 茆海; 蔡睿眸
Original assignee: Guangzhou Shipyard International Co Ltd
Current assignee: Guangzhou Shipyard International Co Ltd
Priority date: 2018-09-27
Filing date: 2018-09-27
Publication date: 2020-08-07
Anticipated expiration: 2038-09-27
Also published as: CN109269721A

Abstract

The invention discloses a method for ensuring free level and floating of a ship in a determination experiment, which comprises the steps of providing a detection instrument, fixing two fixing parts in the detection instrument on a mooring rope of the ship at intervals, connecting the two fixing parts through a pull rod with a telescopic part, sleeving a baffle cover on the telescopic part, arranging a mark part on the pull rod, wherein the mark part is positioned in the baffle cover when the determination experiment is not carried out, and when the mark part is not exposed out of the baffle cover when the determination experiment is carried out, the cable is shown to be in a relaxed state, so that the ship can carry out the determination experiment; when the mark part is exposed out of the shield, the cable is in a stretching state, and the ship is suspended for a determination experiment. Through set up detecting instrument on the hawser of boats and ships, can observe the position of the identification part on the detecting instrument before the survey experiment of boats and ships or in the experiment in real time to judge whether the state of hawser accords with the demand of survey experiment, and then guarantee the accuracy of survey experimental data.

Description

Method for ensuring free floating of ship in determination experiment

Technical Field

The invention relates to the technical field of ships, in particular to a method for guaranteeing free level and floating of a ship in a determination experiment.

Background

In the test of measuring the weight and the gravity center of the empty ship of the ship, the ship needs to keep a free flat floating state, and the tested ship needs to be fastened beside a wharf because the water flow speed of the wharf is high, so that the free flat floating state is kept only in a short time measured by the test.

When the wharf is used for measuring experiments, the ship needs to be lengthened and tied to the mooring rope of the wharf, so that the ship keeps free horizontal floating, but the experimental ship is driven to move due to the fact that the water flow of the wharf is fast, the mooring rope between the ship and the wharf is tensioned quickly, and the ship cannot keep a free horizontal floating state. Therefore, whether the ship mooring rope is loosened or not needs to be constantly observed in the measurement experiment to ensure the accuracy of the measurement experiment, but the state of the mooring rope is observed only by human eyes, so that the difficulty of the experiment is increased.

Disclosure of Invention

The invention aims to provide a method for ensuring the free level and floating of a ship in a test, which is simple and convenient to operate, can effectively and quickly check the state of a mooring rope of the ship so as to quickly adjust the state of the mooring rope in the test and further ensure that the ship is always in the free level and floating state in the test.

In order to achieve the purpose, the invention adopts the following technical scheme:

the method comprises the steps of providing a detection instrument, fixing two fixing parts in the detection instrument on a mooring rope of a ship at intervals, connecting the two fixing parts through a pull rod with a telescopic part, sleeving a blocking cover on the telescopic part, arranging a mark part on the pull rod, locating the mark part in the blocking cover when the detection experiment is not carried out, and indicating that the mooring rope is in a relaxed state when the mark part is not exposed out of the blocking cover when the detection experiment is carried out, wherein the detection instrument can carry out the detection experiment; when the identification part is exposed out of the blocking cover, the mooring rope is in a stretching state, and the ship is suspended for a determination experiment.

Preferably, the position between the shield and the extensible part is fixed when the detection device is fixed.

As a preferred scheme, the pull rod comprises a first pull rod, a second pull rod and a spring, the first pull rod and the second pull rod are respectively fixed at two ends of the spring, one end of the first pull rod, which is far away from the spring, is connected with one of the fixing parts, one end of the second pull rod, which is far away from the spring, is connected with the other fixing part, and the identification part is arranged on the first pull rod and/or the second pull rod.

As a preferred scheme, the first pull rod and the second pull rod are both provided with the identification parts at the ends close to the springs, when the mooring rope is in a relaxed state, the identification parts are both positioned in the blocking cover, and when the mooring rope is in a stretched state, the identification parts are both positioned outside the blocking cover.

As a preferable scheme, the identification part comprises a color stripe arranged on the pull rod, and a reflective layer is arranged on the color stripe.

Preferably, the mark portion is disposed around a periphery of the pull rod.

As a preferred scheme, the identification part comprises a sensor, a buzzer alarm and a controller, the sensor is arranged on the pull rod, the buzzer alarm and the controller are arranged on the blocking cover, the sensor and the buzzer alarm are electrically connected with the controller, when the mooring rope is stretched, the sensor is exposed out of the blocking cover, the sensor transmits a signal to the controller, and the controller controls the buzzer alarm to give out alarm sound.

As a preferable scheme, when the identification part is exposed out of the shield, the detection instrument reminds the wharf to release the cable, and the measurement experiment of the ship is performed when the identification part returns to the shield again.

Preferably, when a plurality of cables are tied between the ship and the wharf, the detecting instrument is arranged on each cable, and the plurality of detecting instruments are arranged in a staggered manner.

Preferably, the detection instrument is disposed in a middle portion of the cable.

The embodiment of the invention has the beneficial effects that: through set up detecting instrument on the hawser of boats and ships, can observe the position of the identification part on the detecting instrument before the survey experiment of boats and ships or in the experiment in real time to judge whether the state of hawser accords with the demand of survey experiment, and then guarantee the accuracy of survey experimental data.

Drawings

The invention is explained in more detail below with reference to the figures and examples.

Fig. 1 is a schematic view of a state in which a detection instrument according to an embodiment of the present invention is disposed on a cable.

In the figure:

1. a cable; 2. a fixed part; 3. a shield; 4. a first pull rod; 5. a spring; 6. a second pull rod; 7. and an identification part.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1, in the method for ensuring free floating of a ship in a measurement experiment according to an embodiment of the present invention, a detection instrument is provided, two fixing portions 2 in the detection instrument are fixed on a cable 1 of the ship at intervals, the two fixing portions 2 are connected by a pull rod with a telescopic portion, a shield 3 is sleeved on the telescopic portion, a mark portion 7 is arranged on the pull rod, the mark portion 7 is located in the shield 3 when the measurement experiment is not performed, and when the mark portion 7 is not exposed outside the shield 3 when the measurement experiment is performed, it is indicated that the cable 1 is in a relaxed state, and the ship can perform the measurement experiment; when the mark part 7 is exposed out of the shield 3, the cable 1 is in a stretching state, and the ship is suspended for a measurement experiment. Through set up detecting instrument on hawser 1 at boats and ships, can observe detecting instrument's identification portion 7's position before the survey experiment of boats and ships or in the experiment in real time to judge whether the state of hawser 1 accords with the demand of survey experiment, and then guarantee the accuracy of survey experimental data.

Before fixing the detecting instrument, one end of the cable 1 is fixed on the bollard of the wharf, the other end is fixed on the bollard of the ship, the ship is started to enable the cable 1 to be in a relaxed state, and then the detecting instrument is fixed on the cable 1.

Alternatively, the position between the shield 3 and the telescopic portion is fixed when the inspection equipment is fixed. The position of the blocking cover 3 is fixed relative to the telescopic part, so that the blocking cover 3 can be prevented from moving, the situation that the identification part 7 is exposed out of the blocking cover 3 when the mooring rope 1 is not stretched is avoided, or the situation that the identification part 7 is still in the blocking cover 3 due to the movement of the blocking cover 3 after the mooring rope 1 is stretched is avoided, and the accuracy of data of a measuring experiment is influenced.

Specifically, the pull rod includes first pull rod 4, second pull rod 6 and spring 5, first pull rod 4 and second pull rod 6 are fixed respectively the both ends of spring 5, first pull rod 4 is kept away from the one end and one of them of spring 5 fixed part 2 is connected, second pull rod 6 is kept away from the one end and another of spring 5 fixed part 2 is connected, first pull rod 4 and/or set up on the second pull rod 6 sign portion 7.

Further, first pull rod 4 with second pull rod 6 is close to the one end of spring 5 all is provided with identification portion 7, works as when hawser 1 is in the state of relaxing, two identification portion 7 all is located keep off in the cover 3, works as when hawser 1 is in the tensile state, two identification portion 7 all is located keep off outside the cover 3. By arranging the mark parts 7 on the first pull rod 4 and the second pull rod 6, the detection state of the cable 1 can be easily found by an operator, and even if the sliding between one pull rod and the blocking cover 3 is not smooth, the state of the cable 1 can be judged by the position of the mark part 7 on the other pull rod.

In a preferred embodiment of the present invention, the mark part 7 comprises a color stripe disposed on the pull rod, and a reflective layer is disposed on the color stripe. The marking part 7 is set to be of a structure with a color stripe matched with the reflecting layer, so that the marking part 7 can be displayed more clearly, an observer can see the marking part 7 more clearly, and the detecting instrument can be used in a measuring experiment at night.

In another preferred embodiment of the present invention, the identification part 7 is provided around the circumference of the drawbar. This design can reduce the installation requirement of the detecting instrument, and can quickly distinguish whether the identification part 7 extends out of the shield 3 from any angle.

In a further preferred embodiment of the present invention, the identification portion 7 includes a sensor, a buzzer and a controller, the sensor is disposed on the pull rod, the buzzer and the controller are disposed on the shield 3, the sensor and the buzzer are both electrically connected to the controller, when the cable 1 is stretched, the sensor is exposed out of the shield 3, the sensor transmits a signal to the controller, and the controller controls the buzzer to emit an alarm sound. Above-mentioned structure can realize automatic warning, does not need the operator to observe detecting instrument in real time, also makes detecting instrument can apply to any operational environment, for example weather that the observation is not convenient for such as heavy rain, heavy fog, night.

Optionally, when the identification portion 7 is exposed out of the shield 3, the detection instrument prompts the dock to release the cable 1, and the measurement experiment of the ship is performed when the identification portion 7 returns to the shield 3 again.

In one embodiment, when a plurality of cables 1 are tied between the ship and the dock, the detecting instrument is disposed on each cable 1, and a plurality of the detecting instruments are staggered. Through set up this detecting instrument on every hawser 1, can detect out the state of every hawser 1 accurately to detection device staggered arrangement can be convenient for the operator to observe detecting instrument, avoids the sign portion 7 on the detecting instrument to be sheltered from

Optionally, the detection instrument is arranged in the middle of the cable 1.

In addition, detecting instrument's fixed part 2 is the fastener structure, and is concrete, and fixed part 2 includes first splint and second splint, first splint with the second splint sets up relatively, has the hole that supplies hawser 1 to pass through between the two, the diameter in hole is less than the diameter of hawser 1, first splint and second splint pass through the screw connection, and when the screw tightening back, first splint and second splint press from both sides hawser 1 tightly. The fixed part 2 of this structure is convenient for the dismouting, can reduce the dismouting degree of difficulty, follow-up also repeatedly usable.

In order to reduce the wear of the cable 1 by the two clamping plates and to increase the friction between the clamping plates and the cable 1, rubber pads are arranged on the sides of the first clamping plate and the second clamping plate close to the cable 1 and in the holes.

In the description herein, references to the term "an embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that may be understood by those skilled in the art.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. A method for guaranteeing free level and float of a ship in a determination experiment is characterized in that a detection instrument is provided, two fixing parts in the detection instrument are fixed on a mooring rope of the ship at intervals, the two fixing parts are connected through a pull rod with a telescopic part, a blocking cover is sleeved on the telescopic part, a mark part is arranged on the pull rod, the mark part is positioned in the blocking cover when the determination experiment is not carried out, when the mark part is not exposed out of the blocking cover when the determination experiment is carried out, the mooring rope is in a relaxed state, and the ship can carry out the determination experiment; when the identification part is exposed out of the blocking cover, the mooring rope is in a stretching state, and the ship is suspended for a determination experiment.

2. The method of ensuring free floating of a ship in an assay test as claimed in claim 1, wherein the position between the shield and the expansion part is fixed while the inspection instrument is fixed.

3. The method for ensuring the free level and flotation of the ship in the determination experiment as claimed in claim 1, wherein the pull rod comprises a first pull rod, a second pull rod and a spring, the first pull rod and the second pull rod are respectively fixed at two ends of the spring, one end of the first pull rod, which is far away from the spring, is connected with one of the fixing parts, one end of the second pull rod, which is far away from the spring, is connected with the other fixing part, and the first pull rod and/or the second pull rod are/is provided with the identification part.

4. The method of ensuring free flotation of a ship in a test set forth in claim 3, wherein said first tie rod and said second tie rod are provided with said indicator portions at ends thereof adjacent to said springs, both of said indicator portions being located within said shield when said cable is in a relaxed state and both of said indicator portions being located outside said shield when said cable is in a stretched state.

5. The method for ensuring free floating of a ship in a test according to claim 1, wherein the mark part comprises a color stripe provided on the pull rod, and a reflective layer is provided on the color stripe.

6. The method for ensuring free level of a ship in a test according to claim 5, wherein the mark portion is provided around a peripheral portion of the tie rod.

7. The method for ensuring free floating of a ship in a measuring experiment according to any one of claims 1 to 6, wherein the identification part comprises a sensor, a buzzer alarm and a controller, the sensor is arranged on the pull rod, the buzzer alarm and the controller are arranged on the baffle cover, the sensor and the buzzer alarm are both electrically connected with the controller, when the cable is stretched, the sensor is exposed out of the baffle cover, the sensor transmits a signal to the controller, and the controller controls the buzzer alarm to give out an alarm sound.

8. The method for ensuring free floating of a ship in an assay test as claimed in any one of claims 1 to 6, wherein the detecting instrument prompts a quay to release the cable when the identification part is exposed out of the shield, and the assay test of the ship is performed when the identification part is returned back into the shield.

9. The method of any one of claims 1 to 6, wherein when a plurality of cables are tied between the ship and the wharf, each cable is provided with the detecting device, and a plurality of the detecting devices are staggered.

10. Method for ensuring free floating of a ship in an assay according to any of claims 1 to 6, characterized in that said detecting instrument is placed in the middle of said cable.