Floating towing towing cable tension monitoring method and device

Abstract

The invention discloses a floating type towing cable tension monitoring method and device, and the method comprises the steps: enabling the floating type towing cable tension monitoring device to be installed on a towing cable, so as to achieve the monitoring of the tension of the towing cable. The floating type towing cable tension monitoring device is fixedly installed on a towing cable to construct a stress foundation, connection of a tugboat and a large ship through the towing cable is not affected, the situation that a plurality of fixed installation points are needed is avoided, and the problem that cable tension monitoring can be achieved only when the fixed installation points serve as the stress foundation is solved.

Description

Technical Field

[0001] The invention relates to a method and a device for monitoring the tension of a floating towing cable, belonging to the technical field of cable testing. Background Art

[0002] The main function of a tugboat is to guide and control the course of large ships, especially in narrow waterways and busy port areas. Tugboats need to be connected to large ships through towing cables. In order to ensure the towing cable tension, tension monitoring of the towing cable is required.

[0003] The cable tension testing technology is currently disclosed in China Patent Publication No. CN114166655B. In the disclosed technology, multiple reversing wheels are required for reversing, resulting in multiple fixed installation points as force-bearing bases to achieve cable tension monitoring. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a method and device for monitoring the tension of a floating towing cable.

[0005] The present invention is achieved through the following technical solutions.

[0006] The present invention provides a method for monitoring tension of a floating towing cable, comprising: using a floating towing cable tension monitoring device installed on a towing cable to monitor the tension of the towing cable.

[0007] The process is specifically as follows: the positioning sleeve A is clamped and frictionally fixed to the towing cable, the force measuring device shell is fixed to the positioning sleeve A, and the force measuring device shell serves as an installation base. At this time, the positioning sleeve A and the force measuring device shell are fixed, and then the positioning sleeve B is clamped and frictionally fixed to the towing cable. The positioning sleeve B is fixedly connected to the force measuring device shell or the positioning sleeve A through a retractable tension measuring rod. When the towing cable is tensilely deformed between the positioning sleeve A and the positioning sleeve B, the tension measuring rod is stretched and retracted, and the sensor senses the tension data of the tension measuring rod. The tension data is transmitted to the outside world through the data transmitter.

[0008] A floating towing cable tension monitoring device, comprising:

[0009] Force measuring device housing;

[0010] A positioning sleeve A embedded in the housing of the force measuring device;

[0011] A positioning sleeve B embedded in the housing of the force measuring device;

[0012] A retractable tension measuring rod is installed inside the shell of the force measuring device, and the positioning sleeve B is fixedly connected to the positioning sleeve A through the tension measuring rod; the data output end of the tension measuring rod is electrically connected to a sensor, and the sensor is electrically connected to a data transmitter. After the sensor senses the tension of the tension measuring rod, it transmits the data to the outside world through the data transmitter.

[0013] The outer surface of the positioning sleeve B in contact with the force measuring device housing is a smooth surface, and the positioning sleeve B can slide in the force measuring device housing. The inner surface of the positioning sleeve B in contact with the towing cable is a rough surface.

[0014] The outer surface of the positioning sleeve A contacting the force measuring device housing is a smooth surface, and the inner surface of the positioning sleeve A contacting the towing cable is a rough surface.

[0015] The sensor and the data transmitter are installed inside the housing of the force measuring device.

[0016] The force measuring device housing is composed of two halves fixedly connected by bolts.

[0017] The positioning sleeve A and the positioning sleeve B are both composed of two halves fixedly connected by bolts.

[0018] The beneficial effects of the present invention are as follows: the floating towing cable tension monitoring device is installed and fixed on the towing cable to construct a force-bearing foundation, which does not affect the connection between the tugboat and the large ship through the towing cable, avoids the need for multiple fixed installation points, and solves the problem that the fixed installation point is used as the force-bearing foundation to realize cable tension monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the installation connection distribution of the present invention;

[0020] In the figure: 1- towing rope; 2- positioning sleeve B; 3- positioning sleeve A; 4- force measuring device housing; 5- tension measuring rod; 6- sensor. DETAILED DESCRIPTION

[0021] The technical solution of the present invention is further described below, but the scope of protection claimed is not limited to the description.

[0022] like Figure 1 shown.

[0023] A floating towing cable tension monitoring device of the present application comprises:

[0024] A force measuring device housing 4 is provided for mounting, and the force measuring device housing 4 is composed of two halves fixedly connected by bolts.

[0025] A positioning sleeve A3 is embedded in the force measuring device housing 4, and the positioning sleeve A3 consists of two halves fixedly connected by bolts; the outer surface of the positioning sleeve A3 contacting the force measuring device housing 4 is a smooth surface, and the inner surface of the positioning sleeve A3 contacting the towing cable 1 is a rough surface.

[0026] A positioning sleeve B2 is embedded and installed in the force measuring device housing 4, and the positioning sleeve B2 consists of two halves fixedly connected by bolts; the outer surface of the positioning sleeve B2 contacting the force measuring device housing 4 is a smooth surface, and the positioning sleeve B2 can slide in the force measuring device housing 4, and the inner surface of the positioning sleeve B2 contacting the towing cable 1 is a rough surface.

[0027] A retractable tension measuring rod 5 is installed inside the force measuring device housing 4, one end of the tension measuring rod 5 is fixedly connected to the positioning sleeve B2, and the other end of the tension measuring rod 5 is fixedly connected to the force measuring device housing 4 or the positioning sleeve A3; preferably, the tension measuring rod 5 is fixedly connected to the positioning sleeve A3; the data output end of the tension measuring rod 5 is electrically connected to a sensor 6, and the sensor 6 is electrically connected to a data transmitter. After the sensor 6 senses the tension of the tension measuring rod 5, it transmits the data to the outside world through the data transmitter.

[0028] The sensor 6 and the data transmitter are installed inside the force measuring device housing 4 .

[0029] A floating towing cable tension monitoring method of the present application includes:

[0030] The positioning sleeve A3 is clamped and frictionally fixed to the towing cable 1, and the force measuring device shell 4 is fixed to the positioning sleeve A3. The force measuring device shell 4 serves as an installation base. At this time, the positioning sleeve A3 and the force measuring device shell 4 are fixed, and then the positioning sleeve B2 is clamped and frictionally fixed to the towing cable 1. The positioning sleeve B2 is fixedly connected to the force measuring device shell 4 or the positioning sleeve A3 through a retractable tension measuring rod 5. When the towing cable 1 is tension-deformed between the positioning sleeve A3 and the positioning sleeve B2, the tension measuring rod 5 is retracted and contracted, and the sensor 6 senses the tension data of the tension measuring rod 5. The tension data is transmitted to the outside world through the data transmitter, thereby realizing the process of using a floating towing cable tension monitoring device installed on the towing cable 1 to monitor the tension of the towing cable 1.

[0031] The floating towing cable tension monitoring device is installed and fixed on the towing cable 1 to form a force-bearing foundation, which does not affect the connection between the tugboat and the large ship through the towing cable 1, avoids the need for multiple fixed installation points, and solves the problem that the cable tension monitoring can only be achieved when the fixed installation point is used as the force-bearing foundation.

Claims

1. A method for monitoring the tension of a floating towing cable, characterized in that: include: A floating towing cable tension monitoring device is installed on the towing cable (1) to monitor the tension of the towing cable (1).

2. The method for monitoring the tension of a floating towing cable according to claim 1, characterized in that: The process is specifically as follows: the positioning sleeve A (3) is clamped and frictionally fixed to the towing cable (1), the force measuring device housing (4) is fixed to the positioning sleeve A (3), and the force measuring device housing (4) serves as an installation base. At this time, the positioning sleeve A (3) and the force measuring device housing (4) are fixed, and then the positioning sleeve B (2) is clamped and frictionally fixed to the towing cable (1). The positioning sleeve B (2) is fixedly connected to the force measuring device housing (4) or the positioning sleeve A (3) through a retractable tension measuring rod (5). When the towing cable (1) is deformed by tension between the positioning sleeve A (3) and the positioning sleeve B (2), the tension measuring rod (5) is retracted and extended, and the sensor (6) senses the tension data of the tension measuring rod (5). The tension data is transmitted to the outside world through the data transmission device.

3. A floating towing cable tension monitoring device according to any one of claims 1 or 2, characterized in that: include: Force measuring device housing (4); A positioning sleeve A (3) embedded in a force measuring device housing (4); A positioning sleeve B (2) embedded in a force measuring device housing (4); A retractable tension measuring rod (5) is installed inside the housing (4) of the force measuring device, and the positioning sleeve B (2) is fixedly connected to the positioning sleeve A (3) via the tension measuring rod (5); a sensor (6) is electrically connected to a data transmission device at the data output end of the tension measuring rod (5), and the sensor (6) is electrically connected to a data transmission device. After the sensor (6) senses the tension of the tension measuring rod (5), it transmits the data to the outside world via the data transmission device.

4. The floating towing cable tension monitoring device according to claim 3, characterized in that: The outer surface of the positioning sleeve B (2) in contact with the force measuring device housing (4) is a smooth surface, the positioning sleeve B (2) can slide inside the force measuring device housing (4), and the inner surface of the positioning sleeve B (2) in contact with the towing cable (1) is a rough surface.

5. The floating towing cable tension monitoring device according to claim 3, characterized in that: The outer surface of the positioning sleeve A (3) in contact with the force measuring device housing (4) is a smooth surface, and the inner surface of the positioning sleeve A (3) in contact with the towing cable (1) is a rough surface.

6. The floating towing cable tension monitoring device according to claim 3, characterized in that: The sensor (6) and the data transmitter are installed inside the force measuring device housing (4).

7. The floating towing cable tension monitoring device according to claim 3, characterized in that: The force measuring device housing (4) consists of two halves fixedly connected by bolts.

8. The floating towing cable tension monitoring device according to claim 3, characterized in that: The positioning sleeve A (3) and the positioning sleeve B (2) are both composed of two halves fixedly connected by bolts.

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