A cable tensioning and early warning device for mooring a vessel

Abstract

The application relates to the technical field of marine cables, in particular to a cable tensioning and early warning device for ship mooring, which comprises a cable tensioning mechanism, the cable tensioning mechanism comprises an outer sliding assembly and an inner sliding assembly, the outer sliding assembly and the inner sliding assembly are both box body structures with one end being open, the open ends of the outer sliding assembly and the inner sliding assembly are oppositely arranged, and the outer sliding assembly is sleeved outside the inner sliding assembly. The outer sliding assembly and the inner sliding assembly in the application are respectively connected with a ship and a cable, so that the sum of the elastic forces of the several tensioning springs is equivalent to the tension of the cable. The compression amount of the tensioning spring is transmitted to a receiving early warning terminal through a distance measuring sensor, the receiving early warning terminal can display the tension in real time for the staff to check at any time, and the receiving early warning device can also send an alarm when the tension approaches a critical value, so that the safety hidden danger of cable breakage is greatly reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of marine cable, in particular to a cable tensioning and early warning device for ship mooring. BACKGROUND

[0002] As one of the necessary tools for ship mooring, the cable is connected to the ship on one end and to the shore fixed object on the other end, thereby restraining the ship from drifting away from the shore.

[0003] Nowadays, the cable needs to withstand a large tension during use, especially when the wind and waves are large, the tension of the cable is also larger, and as the service life increases, the strength and tensile resistance of the cable will gradually decrease, so the cable often breaks down under heavy load, causing unnecessary economic losses. In order to avoid the cable from breaking down due to excessive force, it is best to monitor the cable force in real time and issue an alarm when the tension approaches the critical value, however, the ordinary tension meter cannot withstand the tensile force of dozens of tons of cable, and the ordinary tension meter also does not have the function of long-distance transmission and display. In view of this, we propose a cable tensioning and early warning device for ship mooring to solve the above problems. SUMMARY

[0004] The purpose of the present application is to provide a cable tensioning and early warning device for ship mooring to solve the problems raised in the background.

[0005] The present application is realized by the following technical scheme: a cable tensioning and early warning device for ship mooring, comprising:

[0006] The cable tensioning mechanism comprises an outer sliding assembly and an inner sliding assembly, both of which are box body structures with one end open, the open ends of the outer sliding assembly and the inner sliding assembly are oppositely arranged, and the outer sliding assembly is sleeved outside the inner sliding assembly; the inner part of the outer sliding assembly is provided with a plurality of first guide columns distributed along the length direction thereof, the ends of the plurality of first guide columns are provided with a first positioning plate, the inner part of the inner sliding assembly is provided with a plurality of second guide columns, the second guide columns are parallel to the first guide columns, and the ends of the plurality of second guide columns all penetrate through the first positioning plate and are provided with a second positioning plate, and the outer sides of the first guide columns and the second guide columns are both sleeved with a tension spring, and the tension spring is located between the first positioning plate and the second positioning plate;

[0007] The distance measuring sensor is arranged in the outer sliding assembly, and the detection end of the distance measuring sensor points to the second positioning plate;

[0008] A signal transmitter is arranged in the outer sliding assembly;

[0009] A receiving early warning terminal is arranged, and the ranging sensor is connected to the receiving early warning terminal through the signal transmitter.

[0010] Optionally, the outer end of the outer sliding assembly is provided with a first fixing column, and the outer end of the inner sliding assembly is provided with a second fixing column.

[0011] Optionally, the inner wall of the outer sliding assembly is provided with a first limiting rod, and the inner wall of the inner sliding assembly is provided with a second limiting rod, the first limiting rod and the second limiting rod are parallel to the first guide column, the first limiting rod penetrates the second positioning plate and the first positioning plate respectively, the first limiting rod is further fixedly connected with the first positioning plate, the second limiting rod penetrates the first positioning plate and the second positioning plate respectively, and the second limiting rod is further fixedly connected with the second positioning plate, and a limiting sleeve is further arranged at the middle position of the first limiting rod and the second limiting rod.

[0012] Optionally, the two ends of the tension spring are respectively abutted with the first positioning plate and the second positioning plate, and the tension spring is in a compressed state, and the bottom surface of the outer sliding assembly and the inner sliding assembly is provided with a roller.

[0013] Optionally, a seat plate is arranged below the cable tensioning mechanism, a rotating seat is rotatably arranged on the top surface of the seat plate, and the outer sliding assembly is fixedly connected with the rotating seat, a plurality of first through holes are arranged on the first positioning plate and penetrate the first positioning plate, the first through holes are opposite to the first guide column, a plurality of second through holes are further arranged on the first positioning plate and penetrate the first positioning plate, the second through holes are for the second guide column to pass through, a displacement plate is movably arranged on the side of the first positioning plate which is opposite to the second positioning plate, a third through hole is arranged on the displacement plate and penetrates the displacement plate, the third through hole is for the second guide column to pass through, and an embedded rod is arranged on the displacement plate and opposite to the first through hole.

[0014] Optionally, the diameter of the first through hole is not less than the diameter of the tension spring, one end of the tension spring extends into the inner side of the first through hole, an abutting ring is arranged on the outer side of the embedded rod, and the abutting ring is fixedly connected with the displacement plate; when the displacement plate is attached to the first positioning plate, the abutting ring is embedded into the first through hole, and the corresponding tension spring is abutted with the abutting ring.

[0015] Optionally, one side of the first positioning plate opposite to the second positioning plate is provided with a plurality of mounting columns, the ends of the mounting columns are connected with an assembly plate, a plurality of fourth through holes for the second guide columns to pass through are formed in the assembly plate, the displacement plate is located between the assembly plate and the first positioning plate, a screw rod is rotatably arranged on the side of the assembly plate facing the displacement plate, a screw rod sleeve is fixedly arranged on the side of the displacement plate facing the assembly plate, and the screw rod is threadedly connected with the screw rod sleeve.

[0016] Optionally, a slide rail is arranged on the top surface of the seat plate along the radial direction of the seat plate, a displacement block is slidably arranged on the slide rail, a winding wheel is sleeved on the outer side of the screw rod, a rope is wound on the outer side of the winding wheel, and the end of the rope passes through the inner sliding assembly and is fixedly connected with the displacement block.

[0017] Optionally, a clockwork spring is further sleeved on the outer side of the screw rod, the inner end of the clockwork spring is fixedly connected with the screw rod, and the outer end of the clockwork spring is fixedly connected with the assembly plate; in a natural state, the clockwork spring is in a tightened state, and the rope is in a straightened state.

[0018] Optionally, the bottom surface of the inner sliding assembly is provided with a threading pipe, the top surface of the displacement block is provided with two limiting arc plates, the bottom end of the threading pipe extends into the space between the two limiting arc plates, and the end of the rope passes through the threading pipe and is connected with the displacement block; in an initial state, the centers of the two limiting arc plates coincide with the central axis of the rotating seat.

[0019] Compared with the prior art, the present application provides a cable tensioning and early warning device for ship mooring, which has the following advantages:

[0020] 1. The outer sliding assembly and the inner sliding assembly in the present application are respectively connected with the ship and the cable, so that the total elastic force of the plurality of tension springs is equivalent to the tension of the cable. The present application further transmits the compression amount of the tension spring to the receiving early warning terminal through the distance measuring sensor, and the receiving early warning terminal can display the tension in real time for the staff to check at any time. When the tension approaches the critical value, the receiving early warning device can also issue an alarm, thereby greatly reducing the safety hazard of cable breakage.

[0021] 2. The present application has a seat plate and a rotating seat. When the ship deviates from the initial position laterally with the cable as the radius, the rotating seat will rotate around the seat plate, thereby indirectly moving the displacement plate to one side of the assembly plate, and further elongating the tension spring on the first guide column to reduce the alarm tension of the present device. Therefore, the more the ship deviates from the initial position, the higher the sensitivity of the present application, which helps to improve the safety factor of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the first embodiment of the present application.

[0023] Figure 2 Structure sectional view for embodiment one of the present application

[0024] Figure 3 Structure sectional view for embodiment two of the present application

[0025] Figure 4 Schematic diagram of displacement plate structure of the present application

[0026] Figure 5 Schematic diagram of displacement plate structure of the present application

[0027] Figure 6 Schematic diagram of displacement plate structure of the present application

[0028] Figure 7 Schematic diagram of displacement plate structure of the present application Figure 3 Enlarged view of A in the figure

[0029] Figure 8 Enlarged view of B in the figure Figure 3 Enlarged view of B in the figure

[0030] In the figure: 100, cable tensioning mechanism; 101, outer sliding assembly; 102, inner sliding assembly; 103, roller; 104, first guide column; 105, first positioning plate; 106, second guide column; 107, second positioning plate; 108, tensioning spring; 109, first limiting rod; 110, second limiting rod; 111, first fixed column; 112, second fixed column; 113, limiting sleeve; 114, first through hole; 115, displacement plate; 116, third through hole; 117, embedded rod; 118, second through hole; 119, abutting ring; 120, mounting column; 121, assembly plate; 122, fourth through hole; 123, screw rod; 124, screw rod sleeve; 125, threading pipe; 126, clockwork spring; 127, winding wheel; 128, rope; 200, distance measuring sensor; 300, signal transmitter; 400, rotating seat; 500, seat plate; 501, sliding rail; 502, displacement block; 503, limiting arc plate. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Embodiment one: please refer to Figure 1 and Figure 2The embodiment of the application provides a cable tensioning and early warning device for ship mooring, which comprises a cable tensioning mechanism 100, a distance measuring sensor 200, a signal transmitter 300 and a receiving early warning terminal (not shown in the figure), wherein the cable tensioning mechanism 100 comprises an outer sliding assembly 101 and an inner sliding assembly 102, the outer sliding assembly 101 and the inner sliding assembly 102 are both box body structures with one end being open, the open ends of the outer sliding assembly 101 and the inner sliding assembly 102 are oppositely arranged, the outer sliding assembly 101 is arranged outside the inner sliding assembly 102, and the bottom surfaces of the outer sliding assembly 101 and the inner sliding assembly 102 are both provided with a plurality of rollers 103.

[0033] More specifically, the inner part of the outer sliding assembly 101 is provided with a plurality of first guide columns 104 distributed along the length direction of the outer sliding assembly 101, the ends of the plurality of first guide columns 104 are jointly provided with a first positioning plate 105, the inner part of the inner sliding assembly 102 is provided with a plurality of second guide columns 106, the second guide columns 106 are parallel to the first guide columns 104, the ends of the plurality of second guide columns 106 are all penetrated through the first positioning plate 105 and jointly provided with a second positioning plate 107, the outer sides of the first guide columns 104 and the second guide columns 106 are both provided with a tension spring 108, the tension spring 108 is located between the first positioning plate 105 and the second positioning plate 107, the two ends of the tension spring 108 are respectively abutted with the first positioning plate 105 and the second positioning plate 107, and the tension spring 108 is in a compressed state; the first guide columns 104 and the second guide columns 106 are both distributed along the length direction of the outer sliding assembly 101, and the first guide columns 104 and the second guide columns 106 are respectively fixedly connected with the inner walls of the outer sliding assembly 101 and the inner sliding assembly 102.

[0034] In addition, the inner wall of the outer sliding assembly 101 is provided with a first limiting rod 109, the inner wall of the inner sliding assembly 102 is provided with a second limiting rod 110, the first limiting rod 109 and the second limiting rod 110 are both parallel to the first guide columns 104, the first limiting rod 109 is respectively penetrated through the second positioning plate 107 and the first positioning plate 105, the first limiting rod 109 is further fixedly connected with the first positioning plate 105, the second limiting rod 110 is respectively penetrated through the first positioning plate 105 and the second positioning plate 107, and the second limiting rod 110 is further fixedly connected with the second positioning plate 107, and a limiting sleeve 113 is further arranged at the middle positions of the first limiting rod 109 and the second limiting rod 110; in an initial state, the tension spring 108 is in a slightly compressed state. When the outer sliding assembly 101 and the inner sliding assembly 102 are pulled by an action force away from each other, the distance between the first positioning plate 105 and the second positioning plate 107 is gradually reduced, so that the tension spring 108 is continuously compressed.

[0035] It is worth mentioning that the outer end of the outer sliding assembly 101 is provided with a first fixing column 111, and the outer end of the inner sliding assembly 102 is provided with a second fixing column 112. The first fixing column 111 is used to be connected with a fixed object on the ship body, and the second fixing column 112 is used to be connected with a cable, and the cable is used to be connected with a fixed object on the shore, thereby playing a limiting role on the ship.

[0036] Further, the distance measuring sensor 200 is arranged in the outer sliding assembly 101, and the detection end of the distance measuring sensor 200 points to the second positioning plate 107; the signal transmitter 300 is arranged in the outer sliding assembly 101, and the distance measuring sensor 200 is in communication connection with the receiving early warning terminal through the signal transmitter 300. The distance measuring sensor 200 is used to measure the distance between the second positioning plate 107 and the inner wall of the outer sliding assembly 101 in real time, and transmit the signal to the receiving early warning terminal. The receiving early warning terminal has a signal receiving module, a signal processing module, a display screen and an alarm module. The signal processing module is used to convert the distance signal into a tension signal, and transmit the tension signal to the display screen for display. When the tension is too large, the alarm module is started to issue an alarm to remind the staff that the tension of the cable is too large.

[0037] In summary, in the specific implementation process of the embodiment, the cable tensioning mechanism 100 is connected to the cable. When the tension of the cable increases, the outer sliding assembly 101 and the inner sliding assembly 102 will produce relative displacement, so that the tension spring 108 is compressed. Therefore, the total tension of the plurality of tension springs 108 is equivalent to the tension of the cable, and the receiving early warning terminal can convert the compression amount of the tension spring 108 into the tension of the cable.

[0038] In the embodiment, the middle position of the first limiting rod 109 and the second limiting rod 110 is further provided with a limiting sleeve 113. When the compression amount of the tension spring 108 is too large, the first positioning plate 105 and the second positioning plate 107 will abut against the limiting sleeve 113, thereby playing a role in protecting the tension spring 108, and avoiding irreversible damage caused by the excessive compression amount of the tension spring 108. It should be noted that in the embodiment, when the second positioning plate 107 moves to the position of the limiting sleeve 113, the total tension of the plurality of tension springs 108 is 80 tons.

[0039] Embodiment two: please refer to Figure 3 - Figure 8The embodiment of the present application provides a cable tensioning and early warning device for ship mooring, and the difference between the embodiment and the first embodiment is that a seat plate 500 is arranged below the cable tensioning mechanism 100, a rotating seat 400 is rotatably arranged on the top surface of the seat plate 500, the outer sliding assembly 101 is fixedly connected with the rotating seat 400, and the seat plate 500 is fixedly installed on the ship body. Because the ship is easily affected by wind and waves on the water surface, the ship is inevitably displaced, at this time, the cable pulls the cable tensioning mechanism 100 to swing, that is, the rotating seat 400 is rotated on the seat plate 500.

[0040] Further, a plurality of first through holes 114 opposite to the first guide columns 104 are formed through the first positioning plate 105, a plurality of second through holes 118 through which the second guide columns 106 pass are also formed through the first positioning plate 105, limiting holes through which the first limiting rods 109 and the second limiting rods 110 pass are also formed at the four corners of the first positioning plate 105, and a displacement plate 115 is movably arranged on the side of the first positioning plate 105 opposite to the second positioning plate 107, a third through hole 116 through which the second guide column 106 passes is formed through the displacement plate 115, and an embedded rod 117 is arranged at the position of the displacement plate 115 opposite to the first through hole 114. The first guide column 104 is a hollow pipe structure, and the embedded rod 117 is movably inserted into the corresponding first guide column 104. Specifically, the embedded rod 117 and the first guide column 104 are in sliding fit.

[0041] On the other hand, the diameter of the first through hole 114 is not less than the diameter of the tension spring 108, and one end of the tension spring 108 extends into the inside of the first through hole 114. The embedded rod 117 is externally sleeved with an abutting ring 119, and the abutting ring 119 is fixedly connected with the displacement plate 115; when the displacement plate 115 is attached to the first positioning plate 105, the abutting ring 119 is embedded into the first through hole 114, and the corresponding tension spring 108 abuts against the abutting ring 119. It should be noted that in the first embodiment, one end of the tension spring 108 directly abuts against the first positioning plate 105, and in the present embodiment, the tension spring 108 abuts against the abutting ring 119, which is the fundamental difference between the present embodiment and the first embodiment.

[0042] In order to realize that the displacement plate 115 can slide along the length direction of the first guide column 104, in the embodiment, the side of the first positioning plate 105 away from the second positioning plate 107 is provided with a plurality of mounting columns 120, the ends of the plurality of mounting columns 120 are jointly connected with an assembly plate 121, the assembly plate 121 is provided with a plurality of fourth through holes 122 for the second guide column 106 to pass through, the displacement plate 115 is located between the assembly plate 121 and the first positioning plate 105, the side of the assembly plate 121 facing the displacement plate 115 is rotationally provided with a screw rod 123, the side of the displacement plate 115 facing the assembly plate 121 is fixedly provided with a screw rod sleeve 124, and the screw rod 123 is threadedly connected with the screw rod sleeve 124; therefore, the axial directions of the screw rod 123 and the screw rod sleeve 124 are consistent with the axial direction of the first guide column 104, and when the screw rod 123 rotates, the displacement plate 115 can be driven to approach or move away from the assembly plate 121.

[0043] In the embodiment, the top surface of the seat plate 500 is provided with a sliding rail 501 along the radial direction of the seat plate 500, the sliding rail 501 is slidingly provided with a displacement block 502, the outer portion of the screw rod 123 is sleeved with a winding wheel 127, the outer portion of the winding wheel 127 is wound with a rope 128, and the end of the rope 128 passes through the inner sliding assembly 102 and is fixedly connected with the displacement block 502. The bottom surface of the inner sliding assembly 102 is provided with a threading pipe 125, the top surface of the displacement block 502 is provided with two limiting arc plates 503, the bottom end of the threading pipe 125 extends into the space between the two limiting arc plates 503, and the end of the rope 128 passes through the threading pipe 125 and is connected with the displacement block 502; in the initial state, the centers corresponding to the two limiting arc plates 503 are consistent with the central axis of the rotating seat 400, and the spacing of the limiting arc plates 503 is slightly greater than the diameter of the threading pipe 125, and the bottom end of the threading pipe 125 can freely move between the two limiting arc plates 503.

[0044] It should be noted that the outer side of the screw rod 123 is further sleeved with a clock spring 126, the inner end of the clock spring 126 is fixedly connected with the screw rod 123, and the outer end of the clock spring 126 is fixedly connected with the assembly plate 121; in the natural state, the clock spring 126 is in the tightened state, and the rope 128 is in the straightened state. When the rope 128 is pulled by an external force, the winding wheel 127 will rotate, and the clock spring 126 will be further tightened; when the rope 128 is released by the external force, the screw rod 123 can be driven to rotate under the torsional force of the clock spring 126, so that the rope 128 is always in the tightened state.

[0045] It is worth mentioning that in the initial state of the embodiment, the length directions of the outer sliding assembly 101 and the inner sliding assembly 102 are consistent with the length direction of the cable and the length direction of the sliding rail 501, and at this time, the bottom end of the threading pipe 125 is located at the middle position between the two limiting arc plates 503, the displacement plate 115 is attached to the first positioning plate 105, and the abutting ring 119 is located inside the first through hole 114.

[0046] When the ship is affected by wind and waves and pulls the cable, the outer sliding assembly 101 and the inner sliding assembly 102 slide relative to each other, the tension spring 108 is compressed, and the signal transmitter 300 transmits the compression signal in real time to the receiving warning terminal. Due to the uncontrollable direction of wind and waves, there must be a certain angle between the direction of the ship's force and the direction of the cable. This external force can be decomposed into a force parallel to the cable direction, hereinafter referred to as F1, and a force perpendicular to the cable direction, hereinafter referred to as F2. Among them, the tension F1 and the tension of the cable offset each other, and the tension F2 will push the ship to swing around the cable fixed point, thereby causing the rotating seat 400 to rotate.

[0047] As is well known, when the tension F1 is greater, it can be offset by the cable. When the tension F2 is greater, the vessel will swing around the cable, potentially colliding with other obstacles and causing unnecessary damage. Therefore, the further the vessel deviates from its initial position, the greater the risk. In this case, a more sensitive cable tension warning device is desired. Based on this, the seat plate 500 and rotating seat 400 structures are provided in this embodiment.

[0048] When the vessel swings toward the cable, the rotating seat 400 rotates, causing the bottom end of the threading tube 125 to move between the two limiting arc plates 503. This in turn causes the rope 128 to pull the winding wheel 127 and the screw 123 to rotate, ultimately causing the displacement plate 115 to move toward the assembly plate 121. This causes the tension spring 108 to extend, and the elastic force of the tension spring 108 to decrease. Therefore, the further the vessel deviates from its initial position, the greater the displacement distance of the displacement plate 115, and the smaller the pulling force required to move the second positioning plate 107 to the alarm distance, which in turn increases the sensitivity and makes it easier to trigger the alarm.

[0049] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0050] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A cable tensioning and early warning device for mooring of a vessel, characterized in that, The utility model relates to a cable tensioning mechanism (100) and a cable tensioning method, and the cable tensioning mechanism (100) comprises an outer sliding assembly (101) and an inner sliding assembly (102), the outer sliding assembly (101) and the inner sliding assembly (102) are both open box structures, the open ends of the outer sliding assembly (101) and the inner sliding assembly (102) are oppositely arranged, and the outer sliding assembly (101) is sleeved on the outside of the inner sliding assembly (102). The utility model relates to a cable tensioning mechanism (100) and a cable tensioning method, and the cable tensioning mechanism (100) comprises an outer sliding assembly (101) and an inner sliding assembly (102), the outer sliding assembly (101) and the inner sliding assembly (102) are both open box structures, the open ends of the outer sliding assembly (101) and the inner sliding assembly (102) are oppositely arranged, and the outer sliding assembly (101) is sleeved on the outside of the inner sliding assembly (102). The utility model relates to a cable tensioning mechanism (100) and a cable tensioning method, and the cable tensioning mechanism (100) comprises an outer sliding assembly (101) and an inner sliding assembly (102), the outer sliding assembly (101) and the inner sliding assembly (102) are both open box structures, the open ends of the outer sliding assembly (101) and the inner sliding assembly (102) are oppositely arranged, and the outer sliding assembly (101) is sleeved on the outside of the inner sliding assembly (102). The utility model relates to a cable tensioning mechanism (100) and a cable tensioning method, and the cable tensioning mechanism (100) comprises an outer sliding assembly (101) and an inner sliding assembly (102), the outer sliding assembly (101) and the inner sliding assembly (102) are both open box structures, the open ends of the outer sliding assembly (101) and the inner sliding assembly (102) are oppositely arranged, and the outer sliding assembly (101) is sleeved on the outside of the inner sliding assembly (102). The utility model relates to a cable tensioning mechanism (100) and a cable tensioning method, and the cable tensioning mechanism (100) comprises an outer sliding assembly (101) and an inner sliding assembly (102), the outer sliding assembly (101) and the inner sliding assembly (102) are both open box structures, the open ends of the outer sliding assembly (101) and the inner sliding assembly (102) are oppositely arranged, and the outer sliding assembly (101) is sleeved on the outside of the inner sliding assembly (102). The utility model relates to a cable tensioning mechanism (100) and a cable tensioning method, and the cable tensioning mechanism (100) comprises an outer sliding assembly (101) and an inner sliding assembly (102), the outer sliding assembly (101) and the inner sliding assembly (102) are both open box structures, the open ends of the outer sliding assembly (101) and the inner sliding assembly (102) are oppositely arranged, and the outer sliding assembly (101) is sleeved on the outside of the inner sliding assembly (102). The utility model relates to a cable tensioning mechanism (100) and a cable tensioning method, and the cable tensioning mechanism (100) comprises an outer sliding assembly (101) and an inner sliding assembly (102), the outer sliding assembly (101) and the inner sliding assembly (102) are both open box structures, the open ends of the outer sliding assembly (101) and the inner sliding assembly (102) are oppositely arranged, and the outer sliding assembly (101) is sleeved on the outside of the inner sliding assembly (102). The cable tensioning mechanism (100) is provided below with a seat plate (500), the top surface of the seat plate (500) is rotationally provided with a rotating seat (400), the outer sliding assembly (101) is fixedly connected with the rotating seat (400); a plurality of first through holes (114) are provided through the first positioning plate (105) and face the first guide column (104), a plurality of second through holes (118) are also provided through the first positioning plate (105) and allow the second guide column (106) to pass through, the side of the first positioning plate (105) away from the second positioning plate (107) is movably provided with a displacement plate (115), the displacement plate (115) is provided with a third through hole (116) through which the second guide column (106) passes, and the displacement plate (115) is provided with an embedded rod (117) at a position facing the first through hole (114), the first guide column (104) is a hollow pipe structure, and the embedded rod (117) is movably inserted into the corresponding first guide column (104).

2. A mooring line tensioning and warning device for a vessel according to claim 1, characterized in that: The two ends of the tensioning spring (108) respectively abut against the first positioning plate (105) and the second positioning plate (107), and the tensioning spring (108) is in a compressed state, and the bottom surfaces of the outer sliding assembly (101) and the inner sliding assembly (102) are provided with a plurality of rollers (103).

3. A mooring line tensioning and warning device for a vessel according to claim 1, characterized in that: The diameter of the first through hole (114) is not less than the diameter of the tensioning spring (108), one end of the tensioning spring (108) extends into the inside of the first through hole (114), the outer portion of the embedded rod (117) is provided with an abutment ring (119), and the abutment ring (119) is fixedly connected with the displacement plate (115); when the displacement plate (115) is attached to the first positioning plate (105), the abutment ring (119) is embedded into the first through hole (114), and the corresponding tensioning spring (108) abuts against the abutment ring (119).

4. A mooring line tension and warning device for a vessel as claimed in claim 3, wherein: The side of the first positioning plate (105) away from the second positioning plate (107) is provided with a plurality of mounting columns (120), the ends of the plurality of mounting columns (120) are commonly connected with an assembly plate (121), the assembly plate (121) is provided with a plurality of fourth through holes (122) through which the second guide column (106) passes, and the displacement plate (115) is located between the assembly plate (121) and the first positioning plate (105), the side of the assembly plate (121) facing the displacement plate (115) is rotationally provided with a screw rod (123), the side of the displacement plate (115) facing the assembly plate (121) is fixedly provided with a screw rod sleeve (124), and the screw rod (123) is threadedly connected with the screw rod sleeve (124).

5. A mooring line tension and warning device for a vessel as claimed in claim 4, wherein: The top surface of the seat plate (500) is provided with a sliding rail (501) along the radial direction of the seat plate (500), a displacement block (502) is slidably arranged on the sliding rail (501), the outer part of the screw rod (123) is sleeved with a winding wheel (127), the outer part of the winding wheel (127) is wound with a rope (128), and the end of the rope (128) passes through the inner sliding assembly (102) and is fixedly connected with the displacement block (502).

6. A mooring line tension and warning device for a vessel as claimed in claim 5, wherein: The outer part of the screw rod (123) is also sleeved with a clock spring (126), the inner end of the clock spring (126) is fixedly connected with the screw rod (123), and the outer end of the clock spring (126) is fixedly connected with the assembly plate (121); in a natural state, the clock spring (126) is in a tightened state, and the rope (128) is in a straightened state.

7. A mooring line tension and warning device for a vessel as claimed in claim 6, wherein: The bottom surface of the inner sliding assembly (102) is provided with a threading pipe (125), the top surface of the displacement block (502) is provided with two limiting arc plates (503), the bottom end of the threading pipe (125) extends into the space between the two limiting arc plates (503), and the end of the rope (128) passes through the threading pipe (125) and is connected with the displacement block (502); in an initial state, the centers of the two limiting arc plates (503) coincide with the central axis of the rotating seat (400).

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