Magnetic attraction fixing device for mooring rope tension monitoring sensor
The magnetic fixing device solves the cumbersome installation and stability problems of the mooring cable tension monitoring sensor, achieves simplified installation and stable clamping in harsh environments, adapts to changes in cable diameter, and improves the reliability of mooring cable tension monitoring.
Patent Information
- Application Number
- CN202422661955.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-01
AI Technical Summary
The fixed structure of existing mooring cable tension monitoring sensors is cumbersome and laborious to install, and cannot adapt to changes in cable diameter in harsh environments, affecting the stability and accuracy of the sensors.
A magnetic fixing device is used, which uses a magnetic column made of highly magnetic permeable material and a switch magnetic base to clamp and fix the cable through magnetic attraction, adapting to changes in cable diameter. The soft magnetic conductive material provides elastic deformation when the cable is under force to maintain a firm clamp.
It simplifies the installation process, improves installation efficiency, enhances the stability and adaptability of the sensor in harsh environments, and ensures the secure clamping of the cable.
Smart Images
Figure CN223461136U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of cable tension monitoring equipment, concretely is a mooring cable tension monitoring sensor magnetic attraction fixing device. BACKGROUND
[0002] Mooring cable as the key component of the ship mooring system, its tension state directly affects the mooring stability and safety of the ship. Affected by flow rate, tide, swell, wind speed and operation factors, the tension of mooring cable will change constantly. Especially in severe weather conditions, such as typhoon, heavy waves, etc., the cable tension will increase sharply, which may lead to uneven stress of the cable, breakage, and even cause serious safety accidents such as loss of control of the ship. Therefore, it is of great significance to monitor the mooring cable tension in real time.
[0003] The mooring cable tension monitoring system is usually composed of a front-end sensor and an excitation unit, a back-end server computing program and an interactive display platform. The sensor is a vibration signal acquisition device, which is fixedly installed on the cable through a fixing structure and is the core hardware of the system. As shown in Figure 1 The fixing structure of the existing sensor includes a mounting plate 2, a sensor body 1 is fixedly installed on the upper end face of the mounting plate 2, and a positioning block 3 for positioning the cable is arranged on the lower end face of the mounting plate 2. It also includes a fixed plate 4, the mounting plate 2 and the fixed plate 4 are respectively connected by bolts 5 and nuts 6, so that the cable is pressed between the fixed plate 4 and the positioning plate 3. The fixing structure has the following disadvantages in use: first, the process of manually tightening the nut is tedious and time-consuming, and it needs to be tightened alternately on both sides, which not only wastes time and effort, but also may cause unstable installation due to improper operation; secondly, due to the lack of effective pre-tightening mechanism, when the cable bears a large tension, its diameter may become smaller due to stress, which affects the stability and accuracy of the sensor. SUMMARY
[0004] In view of the problems existing in the above-mentioned prior art, the utility model provides a mooring cable tension monitoring sensor magnetic attraction fixing device which is simple in structure, easy to install, good in stability and strong in adaptability.
[0005] The utility model discloses a technical scheme as follows: mooring cable tension monitoring sensor magnetic attraction fixing device, including sensor body, sensor body fixed mounting is in mounting plate, the lower end surface fixed setting of mounting plate has the locating plate, the middle part of locating plate is provided with first arc slot, is used for with the shape of cable is matched, is provided with switch magnetic force seat respectively on both sides of first arc slot of locating plate, still including clamping seat, the middle part of clamping seat is provided with the second arc slot with first arc slot corresponds, is used for with the other side of cable is matched, is provided with the magnetic attraction column corresponding with switch magnetic force seat respectively on both sides of second arc slot of clamping seat, the magnetic attraction column is made of high permeability material, when two switch magnetic force seats respectively stick two magnetic attraction columns, the maximum distance between first arc slot and second arc slot is not more than the diameter of cable, when switch magnetic force seat is opened, the magnetic force between switch magnetic force seat magnetic attraction surface and magnetic attraction column produces, and the cable is clamped between first arc slot and second arc slot through the magnetic attraction between switch magnetic force seat and magnetic attraction column to realize the fixing of sensor.
[0006] Further, the upper end of the magnetic attraction column is provided with a soft magnetic material, so that when the cable stress line diameter changes, the distance between the first arc slot and the second arc slot is reduced by the elastic deformation of the soft magnetic material under the action of the magnetic attraction, thereby achieving firm clamping of the cable.
[0007] Further, the maximum distance between the first arc slot and the second arc slot when the two switch magnetic force seats respectively stick to the two magnetic attraction columns is slightly smaller than the diameter of the cable, and a gap is reserved between the switch magnetic force seat and the magnetic attraction column in the initial state. When the cable stress line diameter changes, the distance between the locating plate and the clamping seat is reduced, thereby achieving firm clamping of the cable.
[0008] Further, mounting grooves are provided on both sides of the first arc slot of the locating plate, the switch magnetic force seat is embedded in the mounting grooves, and is fastened and mounted with the locating plate through bolts.
[0009] Further, the mounting plate and the clamping seat are respectively provided with lifting rings, and the two lifting rings are connected through a connecting rope.
[0010] The fixing device of the utility model adopts the mode of magnetic attraction to fix the sensor body, without the need for complex installation steps and tools, greatly simplifying the installation process and improving the installation efficiency. Since the magnetic attraction column and the switch magnetic force seat made of high permeability material are adopted, the device has strong magnetic force effect, can ensure that the sensor body remains stable in harsh environments, can adapt to changes in the cable line diameter, and can still achieve firm clamping of the cable when the cable stress line diameter changes, thereby enhancing the adaptability and stability of the device. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 is a structural schematic diagram of the existing mooring cable tension monitoring sensor fixing device.
[0012] Figure 2 is a three-dimensional structural schematic diagram of the utility model.
[0013] Figure 3 is a front structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0014] In order to facilitate understanding of the utility model, the following will be combined with the description of the drawings and the preferred embodiments of the utility model to make a more comprehensive and detailed description, but the protection scope of the utility model is not limited to the following specific embodiments.
[0015] As Figures 2-3 shown, the embodiment provides a mooring cable tension monitoring sensor magnetic attraction fixing device, including sensor body 1, which is responsible for monitoring the tension change of the cable. Sensor body 1 is fixedly installed on mounting plate 2, and positioning plate 3 is fixedly arranged on the lower end surface of mounting plate 2, the middle part of positioning plate 3 is provided with first arc-shaped groove 301, which is used for matching the shape of the cable, and switch magnetic base 7 is arranged on both sides of first arc-shaped groove 301 of positioning plate 3. The structure and working principle of switch magnetic base 7 are well known to those skilled in the art, which can drive the internal permanent magnet to rotate through the knob, so as to control whether the magnetic attraction surface has magnetic force, and the structure thereof is not described in detail in the application. The magnetic attraction fixing device of the embodiment further includes clamping seat 8 corresponding to positioning plate 3, the middle part of clamping seat 8 is provided with second arc-shaped groove 801 corresponding to first arc-shaped groove 301, which is used for matching the other side of the cable, and magnetic attraction column 9 corresponding to switch magnetic base 7 is arranged on both sides of second arc-shaped groove 801 of clamping seat 8, magnetic attraction column 9 is made of high magnetic conductive material, when two switch magnetic bases 7 respectively adhere to two magnetic attraction columns 9, the maximum distance between first arc-shaped groove 301 and second arc-shaped groove 801 is not greater than the diameter of the cable, when switch magnetic base 7 is turned on, magnetic force is generated between the magnetic attraction surface of switch magnetic base and magnetic attraction column 9, the cable is clamped between first arc-shaped groove 301 and second arc-shaped groove 801 through the magnetic attraction force between switch magnetic base 7 and magnetic attraction column 9, so as to realize the fixation of the sensor.
[0016] By adopting the technical scheme, when in use, the mounting plate 2 provided with the sensor body 1 is placed at a position where the cable tension needs to be monitored, the cable 11 is embedded into the first arc-shaped groove 301 on the positioning plate 3, and the knob of the switch magnetic base 7 is in a state where the magnetic force is not turned on. Then, the clamping base 8 is placed on the other side of the cable 11, the second arc-shaped groove 801 is matched with the cable 11, and the magnetic attraction column 9 of the clamping base 8 is corresponded with the switch magnetic base 7. Then, the knob of the switch magnetic base 7 is rotated to drive the internal permanent magnet to rotate, so that the magnetic attraction surface and the magnetic attraction column 9 generate the magnetic force. Under the action of the magnetic force, the clamping base 8 is close to the positioning plate 3, and the cable 11 between the first arc-shaped groove 301 and the second arc-shaped groove 801 is firmly clamped.
[0017] As another feasible embodiment, the upper end of the magnetic attraction column 9 is provided with a soft magnetic material, so that when the cable stress line diameter changes, the distance between the first arc-shaped groove 301 and the second arc-shaped groove 801 is reduced by the elastic deformation of the soft magnetic material under the action of the magnetic attraction force, so that the cable is firmly clamped. In this embodiment, the soft magnetic material layer is arranged at the upper end of the magnetic attraction column 9, the layer has a certain elasticity and magnetic conductivity, and can still provide a firm clamping force when the cable stress line diameter changes. The soft magnetic material layer can be made of ferrite soft magnetic material, spring magnetic block, etc., and can be designed to be matched with the shape of the upper end of the magnetic attraction column, such as arc shape, circular shape, etc.
[0018] As another feasible embodiment, the maximum distance between the first arc-shaped groove 301 and the second arc-shaped groove 801 when the two switch magnetic bases 7 are attached to the two magnetic attraction columns 9 is slightly smaller than the diameter of the cable, and a gap is reserved between the switch magnetic base 7 and the magnetic attraction column 9 in the initial state. When the cable stress line diameter changes, the distance between the positioning plate 3 and the clamping base 8 is reduced, so that the cable is firmly clamped.
[0019] In order to facilitate the disassembly of the switch magnetic base 7, mounting grooves are arranged on both sides of the first arc-shaped groove 301 of the positioning plate 3, the switch magnetic base 7 is embedded in the mounting grooves, and is fastened and mounted with the positioning plate 3 through bolts.
[0020] In order to maintain the integrity between the clamping base 8 and the mounting plate 2, lifting rings 10 are arranged on the mounting plate 2 and the clamping base 8 respectively, and the two lifting rings 10 are connected through a connecting rope.
[0021] With the help of the teachings in the foregoing specification and associated drawings, those skilled in the art will appreciate that many modifications and other implementations of the present application can occur. It is to be understood that the present application is not limited to the specific embodiments disclosed, and that modifications and other implementations are intended to be included within the scope of the appended claims. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims
1. A mooring line tension monitoring sensor magnetic suction fixing device, comprising a sensor body (1), the sensor body (1) is fixedly installed on a mounting plate (2), characterized in that: The positioning plate (3) is fixedly arranged at the lower end surface of the mounting plate (2), the middle part of the positioning plate (3) is provided with a first arc-shaped groove (301) for matching the shape of the cable, switch magnetic force seats (7) are respectively arranged at the two sides of the first arc-shaped groove (301) of the positioning plate (3), and the clamping seat (8) is arranged, the middle part of the clamping seat (8) is provided with a second arc-shaped groove (801) corresponding to the first arc-shaped groove (301) for matching the other side of the cable, magnetic attraction columns (9) corresponding to the switch magnetic force seats (7) are respectively arranged at the two sides of the second arc-shaped groove (801) of the clamping seat (8), the magnetic attraction columns (9) are made of high magnetic conductive material, when the two switch magnetic force seats (7) respectively adhere to the two magnetic attraction columns (9), the maximum distance between the first arc-shaped groove (301) and the second arc-shaped groove (801) is not greater than the diameter of the cable, when the switch magnetic force seats (7) are opened, the magnetic force is generated between the magnetic attraction surface of the switch magnetic force seat and the magnetic attraction column (9), the cable is clamped between the first arc-shaped groove (301) and the second arc-shaped groove (801) through the magnetic attraction force between the switch magnetic force seat (7) and the magnetic attraction column (9), and therefore the fixing of the sensor is realized.
2. The mooring line tension monitor sensor magnetic attraction fixture of claim 1, wherein: The upper end of the magnetic attraction column (9) is provided with a soft magnetic conductive material, so that when the stress line diameter of the cable changes, the distance between the first arc-shaped groove (301) and the second arc-shaped groove (801) is reduced through the elastic deformation of the soft magnetic conductive material under the action of the magnetic attraction force, and therefore the firm clamping of the cable is realized.
3. The mooring line tension monitor sensor magnetic attraction fixture of claim 1, wherein: When the two switch magnetic force seats (7) respectively adhere to the two magnetic attraction columns (9), the maximum distance between the first arc-shaped groove (301) and the second arc-shaped groove (801) is slightly smaller than the diameter of the cable, and a gap is reserved between the switch magnetic force seat (7) and the magnetic attraction column (9) in the initial state, when the stress line diameter of the cable changes, the distance between the positioning plate (3) and the clamping seat (8) is reduced, and therefore the firm clamping of the cable is realized.
4. The mooring line tension monitor sensor magnetic attraction fixture of claim 1, wherein: Mounting grooves are respectively arranged at the two sides of the first arc-shaped groove (301) of the positioning plate (3), the switch magnetic force seat (7) is embedded in the mounting groove, and is tightly mounted with the positioning plate (3) through bolts.
5. The mooring line tension monitor sensor magnetic attraction fixture of claim 1, wherein: The mounting plate (2) and the clamping seat (8) are respectively provided with lifting rings (10), and the two lifting rings (10) are connected through connecting ropes.