Floating height adjustment device and height adjustment method for defense net

Abstract

The present invention discloses a floating height adjustment device and a method for adjusting the height of a defense net, wherein the floating height adjustment device is used to cooperate with a column device to adjust the height of the defense net whose end is connected to the floating height adjustment device. The floating height adjustment device includes a floating unit and a locking unit disposed at the top of the floating unit. The locking unit further includes at least one locking portion, and the locking portion has at least one retractable locking end. The locking end of the locking portion is configured to be able to extend into or disengage from one of a row of locking holes of the column device.

Description

Technical Field

[0001] The present invention relates to the field of water area defense, and particularly to a floating height adjustment device and a method for adjusting the height of a defense net. Background Art

[0002] The main part of a water area defense system is a defense net, which is arranged in specific water areas such as ports. When foreign objects (such as ships, frogmen, etc.) invade a specific water area from other water areas, the water area defense system can give an alarm to the managers of the specific water area, so as to achieve the purpose of defense. Specific water areas such as ports have the phenomena of high tide and low tide, which will cause the rise and fall of the sea level. How to ensure that the defense net is longitudinally arranged in the water area while enabling the height of the defense net to rise and fall with the rise and fall of the sea level is a technical problem that the inventors of the present invention are committed to solving. Summary of the Invention

[0003] An object of the present invention is to provide a floating height adjustment device and a method for adjusting the height of a defense net, wherein the floating height adjustment device allows the height of one end of a defense net to rise and fall with the rise and fall of the sea level.

[0004] An object of the present invention is to provide a floating height adjustment device and a method for adjusting the height of a defense net, wherein the floating height adjustment device provides a floating unit and a locking unit arranged at the top end of the floating unit. When the locking end of a locking portion of the locking unit disengages from a locking hole of a column device, the floating height adjustment device is released from the column device. Based on the buoyancy provided by the floating unit, the height of the floating height adjustment device rises and falls with the rise and fall of the sea level, so as to drive the height of one end of the defense net to rise and fall. When the locking end of the locking portion extends into the locking hole of the column device, the floating height adjustment device is locked to the column device, so that the height of one end of the defense net is relatively fixed.

[0005] An object of the present invention is to provide a floating height adjustment device and a method for adjusting the height of a defense net, wherein the column device guides the movement direction of the floating height adjustment device. For example, the column device has a floating space extending in the height direction, and the floating height adjustment device is floatingly held in the floating space of the column device to guide the movement direction of the floating height adjustment device by the column device. In this way, on the one hand, when the floating height adjustment device floats based on the buoyancy provided by the floating unit, it is avoided that the locking end of the locking part moves laterally and deviates from the position where the locking hole of the column device is located, so as to ensure that the locking end of the locking part can extend into the locking hole of the column device when the locking end of the locking part extends. On the other hand, after the floating height adjustment device is locked to the column device, it is avoided that the floating height adjustment device rotates around the locking end of the locking part under the action of flowing seawater, thereby ensuring the reliability of the locking relationship between the floating height adjustment device and the column device.

[0006] An object of the present invention is to provide a floating height adjustment device and a method for adjusting the height of a defense net, wherein the dimension of the locking end of the locking part in the height direction is smaller than the dimension of the locking hole of the column device in the height direction. Thus: on the one hand, the column device provides a fault tolerance mechanism to accurately extend into the locking hole of the column device when the locking end of the locking part extends to lock the floating height adjustment device and the column device. On the other hand, the floating height adjustment device and the column device are movably locked. In this way, with the flow of seawater, buffering can be provided for the defense net by movably locking the floating height adjustment device and the column device to protect the defense net.

[0007] An object of the present invention is to provide a floating height adjustment device and a method for adjusting the height of a defense net, wherein the locking unit provides a set of first guide wheels, which are arranged to be able to roll along the inner wall of the column device, so as to avoid collision between the floating height adjustment device and the column device when the height of the floating height adjustment device rises and falls with the rise and fall of the sea level, thereby improving the reliability of the floating height adjustment device and prolonging the service life of the floating height adjustment device.

[0008] An object of the present invention is to provide a floating height adjustment device and a method for adjusting the height of a defense net, wherein the floating height adjustment device provides a guiding unit, which is arranged at the bottom end of the floating unit, and the guiding unit provides a set of second guide wheels, which are arranged to be able to roll along the inner wall of the column device, so as to avoid collision between the floating height adjustment device and the column device when the height of the floating height adjustment device rises and falls with the rise and fall of the sea level, thereby improving the reliability of the floating height adjustment device and prolonging the service life of the floating height adjustment device.

[0009] An object of the present invention is to provide a floating height adjustment device and a method for adjusting the height of a defense net. A set of the first guide wheels and a set of the second guide wheels are respectively provided at the top and bottom of the float unit. When the floating height adjustment device rises and falls with the rise and fall of the sea level, a set of the first guide wheels and a set of the second guide wheels cooperate with each other to ensure that the floating height adjustment device floats up and down along the floating space of the column device. In this way, on the one hand, when the height of the floating height adjustment device rises and falls with the rise and fall of the sea level, it is possible to avoid collision between the floating height adjustment device and the column device, thereby improving the reliability of the floating height adjustment device and extending the service life of the floating height adjustment device. On the other hand, the locking end of the locking part is controlled to always move along the extending direction of a row of locking holes of the column device in the height direction, so as to ensure that the locking end of the locking part can accurately extend into the locking hole of the column device to lock the floating height adjustment device to the column device.

[0010] An object of the present invention is to provide a floating height adjustment device and a method for adjusting the height of a defense net. The float unit can be used as an assembly platform, which allows the locking unit to be installed at the top of the float unit and allows the guiding unit to be installed at the bottom of the float unit, so as to ensure the structural reliability of the floating height adjustment device when it is used for a long time in a harsh environment.

[0011] In one aspect of the present invention, there is provided a floating height adjustment device for cooperating with a column device to adjust the height of a defense net. The column device has at least one row of locking holes arranged along the height direction. The end of the defense net is connected to the floating height adjustment device. The floating height adjustment device includes a float unit and a locking unit provided at the top of the float unit. The locking unit further includes a locking part having at least one retractable locking end. The locking end of the locking part is configured to be able to extend into or disengage from one of a row of the locking holes of the column device.

[0012] According to an embodiment of the present invention, the column device has a floating space extending in the height direction, and the floating height adjustment device is floatingly held in the floating space of the column device to guide the floating direction of the floating height adjustment device by the column device.

[0013] According to an embodiment of the present invention, the column device has two rows of the locking holes, and the two rows of the locking holes are respectively located on opposite sides of the floating space. The locking part has two locking ends, and each locking end of the locking part is configured to be able to extend into one of each row of the locking holes of the column device.

[0014] According to an embodiment of the present invention, the column device has two rows of the locking holes, and the two rows of the locking holes are respectively located on opposite sides of the floating space. The locking unit includes two locking parts, each of which has a locking end, and the two locking parts are arranged back to back. The locking ends of the two locking parts are respectively arranged to be able to extend into one of each row of the locking holes of the column device.

[0015] According to an embodiment of the present invention, the dimension of the locking end of the locking part in the height direction is smaller than the dimension of the locking hole of the column device in the height direction.

[0016] According to an embodiment of the present invention, the locking unit further includes a mounting seat, the locking part is mounted on the mounting seat, and the mounting seat is mounted on the top end of the float unit, so that the locking part is arranged at the top end of the float unit by the mounting seat.

[0017] According to an embodiment of the present invention, the locking unit further includes a mounting seat and a set of first guide wheels rotatably mounted on the periphery of the mounting seat. The locking part is mounted on the mounting seat, and the mounting seat is mounted on the top end of the float unit, so that the locking part is arranged at the top end of the float unit by the mounting seat. The outer side of the first guide wheel protrudes beyond the outer side of the float unit.

[0018] According to an embodiment of the present invention, the floating height adjustment device further includes a guiding unit, the guiding unit includes a guiding seat and a set of second guide wheels rotatably mounted on the periphery of the guiding seat. The guiding seat is arranged at the bottom end of the float unit, and the outer side of the second guide wheel protrudes beyond the outer side of the float unit.

[0019] According to an embodiment of the present invention, the floating height adjustment device further includes a pulley unit, the pulley unit includes a pulley seat and a pulley rotatably mounted on the pulley seat. The pulley seat is arranged at the top end of the float unit.

[0020] According to an embodiment of the present invention, the floating height adjustment device further includes at least one counterweight unit, and the counterweight unit is arranged at the bottom end of the float unit.

[0021] According to an embodiment of the present invention, the float unit includes at least one float main body and at least one assembly rod. The float main body is arranged on the assembly rod and exposes the top end of the assembly rod to form a rod body top end of the assembly rod. The mounting seat has at least one first through hole, and the mounting seat is mounted on the top end of the float unit in a manner that allows the rod body top end of the assembly rod to pass through the first through hole.

[0022] According to an embodiment of the present invention, the float unit includes at least one float body and at least one assembly rod. The float body is disposed on the assembly rod and exposes the top and bottom ends of the assembly rod to form a rod top end and a rod bottom end of the assembly rod. Wherein the mounting seat has at least one first through hole, and the mounting seat is mounted on the top end of the float unit in a manner that allows the rod top end of the assembly rod to pass through the first through hole. Wherein the guiding seat has at least one second through hole, and the guiding seat is mounted on the bottom end of the float unit in a manner that allows the rod bottom end of the assembly rod to pass through the second through hole. Thus, the float unit serves as an assembly platform to assemble the locking unit and the guiding unit.

[0023] In an aspect of the present invention, the present invention provides a method for adjusting the height of a defense net, wherein the height adjustment method includes the following steps:

[0024] (a) Allowing a locking end of a locking portion of a locking unit of a floating height adjustment device to disengage from one of a row of locking holes of a column device to release the floating height adjustment device from the column device;

[0025] (b) Adjusting the height position of the floating height adjustment device relative to the column device through the buoyancy provided by a float unit located below the locking unit of the floating height adjustment device, thereby adjusting the height position of a defense net whose end is connected to the buoyancy height adjustment device; and

[0026] (c) Allowing the locking end of the locking portion of the locking unit of the floating height adjustment device to extend into another one of the row of locking holes of the column device to lock the floating height adjustment device to the column device.

[0027] According to an embodiment of the present invention, in step (b), the floating direction of the floating height adjustment device is guided by the column device.

[0028] According to an embodiment of the present invention, in step (b), a set of first guide wheels of the locking unit are allowed to roll along the inner wall of the column device.

[0029] According to an embodiment of the present invention, in step (b), a set of second guide wheels of a guiding unit located at the bottom end of the float unit are allowed to roll along the inner wall of the column device.

[0030] According to an embodiment of the present invention, in step (b), a downward movement force is applied to the float unit by a counterweight unit.

[0031] According to an embodiment of the present invention, in the step (a), by retracting the locking end of the locking portion, the locking end of the locking portion is allowed to disengage from one of the locking holes in a row of the column device, and in the step (c), by extending the locking end of the locking portion, the locking end of the locking portion is allowed to extend into another one of the locking holes in a row of the column device.

[0032] According to an embodiment of the present invention, in the step (c), the locking end of the locking portion is allowed to move along the height direction of the locking hole of the column device. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is a perspective schematic view of a floating height-adjusting device according to a preferred embodiment of the present invention.

[0034] Figure 2 is an exploded schematic view of the floating height-adjusting device according to the above-mentioned preferred embodiment of the present invention.

[0035] Figure 3 is a schematic view of the application environment of the floating height-adjusting device according to the above-mentioned preferred embodiment of the present invention, which shows the connection relationship between the floating height-adjusting device, a column device and a protective net.

[0036] Figure 4A is a cross-sectional schematic view of the locking state of the floating height-adjusting device according to the above-mentioned preferred embodiment of the present invention at low water level.

[0037] Figure 4B is Figure 4A a partially enlarged schematic view.

[0038] Figure 5A is a cross-sectional schematic view of the release state of the floating height-adjusting device according to the above-mentioned preferred embodiment of the present invention at low water level.

[0039] Figure 5B is Figure 5A a partially enlarged schematic view.

[0040] Figure 6A is a cross-sectional schematic view of the floating process of the floating height-adjusting device according to the above-mentioned preferred embodiment of the present invention.

[0041] Figure 6B is Figure 6A a partially enlarged schematic view.

[0042] Figure 7A is a cross-sectional schematic view of the release state of the floating height-adjusting device according to the above-mentioned preferred embodiment of the present invention at high water level.

[0043] Figure 7B is Figure 7A a partially enlarged schematic view of the position.

[0044] Figure 8A is a cross-sectional schematic view of the locking state of the floating height-adjusting device according to the above-mentioned preferred embodiment of the present invention at high water level.

[0045] Figure 8B is Figure 8A a partially enlarged schematic view of the position. Detailed implementation manners

[0046] Before detailing any embodiment of the present invention, it should be understood that in its application, the present invention is not limited to the details of the construction and arrangement of the components described in the following description or illustrated in the following drawings. The present invention is capable of other embodiments and of being practiced or carried out in various ways. Additionally, it should be understood that the terminology and phrases used herein are for the purpose of description and should not be regarded as restrictive. As used herein, the terms "comprising", "comprises" or "having" and their variants are intended to cover the listed items and their equivalents as well as additional items. Unless otherwise specified or limited, the terms "mounted", "connected", "supported" and "coupled" and their variants are used broadly and cover both direct and indirect mounting, connection, support and coupling. Further, "connected" and "coupled" are not limited to physical or mechanical connection or coupling.

[0047] And, on the one hand, in the disclosure of the present invention, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limiting the present invention; on the other hand, the term "a" should be understood as "at least one" or "one or more". That is, in one embodiment, the number of one element can be one, while in other embodiments, the number of this element can be multiple. The term "a" should not be construed as limiting the quantity.

[0048] Referring to the attached drawings of the specification of the present invention Figures 1 to 8B , a floating height-adjusting device 100 according to a preferred embodiment of the present invention will be disclosed and described hereinafter, wherein the floating height-adjusting device 100 is used to cooperate with a column device 200 to adjust the height of an end portion of a defense net 300, so as to allow the height of the end portion of the defense net 300 to rise and fall with the rise and fall of the sea level.

[0049] Specifically, the end of the defense net 300 is connected to the floating height-adjusting device 100. For example, in some embodiments, the end of the defense net 300 can be connected to the floating height-adjusting device 100 through a rope. There is a release state and a locking state between the floating height-adjusting device 100 and the column device 200, and the state between the floating height-adjusting device 100 and the column device 200 can be switched between the release state and the locking state. When the floating height-adjusting device 100 and the column device 200 are in the release state, the floating height-adjusting device 100 is released from the column device 200 to allow the floating height-adjusting device 100 to rise and fall with the rise and fall of the sea level based on buoyancy, thereby driving the height of the end of the defense net 300 to rise and fall. Correspondingly, when the floating height-adjusting device 100 and the column device 200 are in the locking state, the floating height-adjusting device 100 is locked to the column device 200 to make the height of the end of the defense net 300 relatively fixed.

[0050] Furthermore, the column device 200 has at least one row of locking holes 210, and one row of the locking holes 210 is arranged along the height direction of the column device 200. The floating height-adjusting device 100 includes a floating unit 10 and a locking unit 20 provided at the top of the floating unit 10. The locking unit 20 further includes at least one locking portion 21, and the locking portion 21 has a retractable locking end 211, and the locking end 211 of the locking portion 21 is allowed to retract and extend. When the locking end 211 of the locking portion 21 retracts, the locking end 211 of the locking portion 21 can disengage from the locking hole 210 of the column device 200, and the floating height-adjusting device 100 and the column device 200 are in the release state. At this time, based on the buoyancy provided by the floating unit 10, the height of the floating height-adjusting device 100 rises and falls with the rise and fall of the sea level, thereby driving the height of the defense net 300 to rise and fall. When the locking end 211 of the locking portion 21 extends, the locking end 211 of the locking portion 21 can extend into the locking hole 210 of the column device 200, and the floating height-adjusting device 100 and the column device 200 are in the locking state. At this time, the floating height-adjusting device 100 is locked to the column device 200 to make the height of the end of the defense net 300 relatively fixed.

[0051] In other words, by controlling the retraction or extension of the locking end 211 of the locking portion 21, the locking end 211 of the locking portion 21 is allowed to disengage from the locking hole 210 of the column device 200 to place the floating height adjustment device 100 and the column device 200 in the released state and is allowed to extend into the locking hole 210 of the column device 200 to place the floating height adjustment device 100 and the column device 200 in the locked state.

[0052] Preferably, the locking portion 21 is hydraulic, that is, by means of hydraulic drive, the locking end 211 of the locking portion 21 can be retracted and the locking end 211 of the locking portion 21 can be reliably held in the retracted position, and the locking end 211 of the locking portion 21 can be extended and the locking end 211 of the locking portion 21 can be reliably held in the extended position.

[0053] Preferably, the dimension of the locking end 211 of the locking portion 21 in the height direction is smaller than the dimension of the locking hole 210 of the column device 200 in the height direction. In this way, on the one hand, the column device 200 provides a fault tolerance mechanism so that when the locking end 211 of the locking portion 21 extends, it can accurately extend into the locking hole 210 of the column device 200 and the floating height adjustment device 100 and the column device 200 are locked by the locking end 211 of the locking portion 21. On the other hand, after the floating height adjustment device 100 and the column device 200 are locked by the locking end 211 of the locking portion 21, the relative positions of the floating height adjustment device 100 and the column device 200 are allowed to move within a reasonable range, that is, the floating height adjustment device 100 and the column device 200 are locked movably. Thus, with the flow of seawater, by locking the floating height adjustment device 100 and the column device 200 movably, a buffer can be provided for the defense net 300 to protect the defense net 300.

[0054] Now turn to the appendix Figures 3 to 8B, the column device 200 has a floating space 220 extending in the height direction, wherein the floating height adjustment device 100 is floatingly held in the floating space 220 of the column device 200 to guide the movement direction of the floating height adjustment device 100 by the column device 200. In other words, when the locking end 211 of the locking portion 21 retracts out of the locking hole 210 of the column device 200 and the floating height adjustment device 100 and the column device 200 are in the released state, based on the buoyancy provided by the buoy unit 10, the floating height adjustment device 100 is only allowed to float along the extension direction of the floating space 220 of the column device 200. In this way, on the one hand, when the floating height adjustment device 100 floats based on the buoyancy provided by the buoy unit 10, it is avoided that the locking end 211 of the locking portion 21 moves laterally and deviates from the position where the locking hole 210 of the column device 200 is located, so as to ensure that the locking end 211 of the locking portion 21 can extend into the locking hole 210 of the column device 200 when the locking end 211 of the locking portion 21 extends. On the other hand, after the floating height adjustment device 100 is locked to the three-dimensional device 200 by the locking end 211 of the locking portion 21, it is avoided that the floating height adjustment device 100 rotates around the locking end 211 of the locking portion 21 under the action of flowing seawater, thereby ensuring the reliability of the locking relationship between the floating height adjustment device 100 and the column device 200.

[0055] It can be understood that by allowing the floating height adjustment device 100 to be floatingly held in the floating space 220 of the column device 200, when the floating height adjustment device 100 and the column device 200 are in the released state, the column device 200 can guide the movement direction of the floating height adjustment device 100. When the floating height adjustment device 100 and the column device 200 are in the locked state, the column device 200 can prevent the floating height adjustment device 100 from moving laterally under the action of flowing seawater, thereby avoiding the lateral force on the locking end 211 of the locking portion 21 and ensuring the reliability of the locking portion 21, and further ensuring the reliability of the locking relationship between the floating height adjustment device 100 and the column device 200.

[0056] It is worth mentioning that the way the column device 200 forms the floating space 220 is not limited in the floating height adjustment device 100 of the present invention. For example, referring to the attached Figure 3, the column device 200 includes a first column 230 and a second column 240. The first column 230 and the second column 240 are arranged at intervals and parallel to each other to form the floating space 220 between the first column 230 and the second column 240. The floating height adjustment device 100 is limited by the first column 230 and the second column 240, so that the column device 200 only allows the floating height adjustment device 100 to float up and down in the floating space 220 of the column device 200 with the rise and fall of the sea level.

[0057] Preferably, referring to the attached Figures 3 to 8B , the column device 200 has two rows of the locking holes 210. One row of the locking holes 210 is formed on the first column 230 and extends along the height direction of the first column 230, and the other row of the locking holes 210 is formed on the second column 240 and extends along the height direction of the second column 240. Thus, the two rows of the locking holes 210 are respectively located on the opposite sides of the floating space 220. Correspondingly, the locking part 21 of the locking unit 20 has two locking ends 211. Each of the locking ends 211 of the locking part 21 is respectively arranged to be able to extend into one of each row of the locking holes 210 of the column device 200, so as to allow the two locking ends 211 of the locking part 21 to lock the floating height adjustment device 100 and the column device 200 on the opposite sides of the floating height adjustment device 100. In this way, when the flowing seawater applies force to the floating height adjustment device 100, it can avoid the lateral force on the locking ends 211 of the locking part 21 to ensure the reliability of the locking part 21, and further ensure the reliability of the locking relationship between the floating height adjustment device 100 and the column device 200.

[0058] More preferably, the two locking ends 211 of the locking portion 21 are controlled to move synchronously, with the same amplitude and in opposite directions, so that the two locking ends 211 of the locking portion 21 can retract or extend synchronously and with the same amplitude. Thus, when the two locking ends 211 of the locking portion 21 retract synchronously and with the same amplitude, the two locking ends 211 of the locking portion 21 can simultaneously disengage from the locking holes 210 provided in the first upright column 230 and the locking holes 210 provided in the second upright column 240 of the upright column device 200. When the two locking ends 211 of the locking portion 21 extend synchronously and with the same amplitude, the two locking ends 211 of the locking portion 21 can synchronously extend into the locking holes 210 provided in the first upright column 230 and the locking holes 210 provided in the second upright column 240 of the upright column device 200. In this way, whether the states of the floating height adjustment device 100 and the upright column device 200 are switched from the locked state to the released state or from the released state to the locked state, the floating height adjustment device 100 can avoid the situation where one of the locking ends 211 of the locking portion 21 is stressed, so as to ensure the reliability and stability of the locking portion 21.

[0059] Optionally, in other examples of the floating height adjustment device 100 of the present invention, the locking unit 20 includes two locking portions 21, each of which has a locking end 211, and the two locking portions 21 are arranged back to back, so that the locking ends 211 of the two locking portions 21 are respectively arranged to be able to extend into one of the locking holes 210 of each column of the column device 200, so as to allow the locking ends 211 of the two locking portions 21 to lock the floating height adjustment device 100 and the column device 200 on opposite sides of the floating height adjustment device 100. In this way, when the flowing seawater applies force to the floating height adjustment device 100, the locking ends 211 of the locking portions 21 can be prevented from being laterally stressed to ensure the reliability of the locking portions 21, and further ensure the reliability of the locking relationship between the floating height adjustment device 100 and the column device 200. Further, the locking ends 211 of the two locking portions 21 are controlled to move synchronously, with the same amplitude and in opposite directions, so that the locking ends 211 of the two locking portions 21 can retract or extend synchronously and with the same amplitude. Thus, when the locking ends 211 of the two locking portions 21 retract synchronously and with the same amplitude, the locking ends 211 of the two locking portions 21 can simultaneously disengage from the locking holes 210 provided in the first column 230 and the locking holes 210 provided in the second column 240 of the column device 200. When the locking ends 211 of the two locking portions 21 extend synchronously and with the same amplitude, the locking ends 211 of the two locking portions 21 can synchronously extend into the locking holes 210 provided in the first column 230 and the locking holes 210 provided in the second column 240 of the column device 200. In this way, whether the states of the floating height adjustment device 100 and the column device 200 are switched from the locked state to the released state or from the released state to the locked state, the floating height adjustment device 100 can avoid the situation where the locking end 211 of one of the locking portions 21 is stressed, so as to ensure the reliability and stability of the locking portion 21.

[0060] Now turning to the appended Figures 1 to 3 The locking unit 20 further includes a mounting seat 22, the locking portion 21 is mounted on the mounting seat 22, and the mounting seat 22 is mounted on the top of the floating unit 10, so that the locking portion 21 is arranged at the top of the floating unit 10 by the mounting seat 22.

[0061] Further, the float unit 10 includes at least one float body 11 and at least one assembly rod 12. The float body 11 is disposed on the assembly rod 12 and exposes the top end of the assembly rod 12 to form a rod body top end 121 of the assembly rod 12. The mounting base 22 has at least one first through hole 221, and the mounting base 22 is mounted on the top end of the float unit 10 in such a way that the rod body top end 121 of the assembly rod 12 passes through the first through hole 221.

[0062] Specifically, in this specific example of the floating height adjustment device 100 shown in the appendix Figures 1 to 8B the number of the assembly rods 12 is four. The four assembly rods 12 are arranged at intervals to form four mutually spaced rod body top ends 121. Correspondingly, the mounting base 22 has four first through holes 221 which are distributed at intervals. After the rod body top ends 121 of the four assembly rods 12 respectively pass through the four first through holes 221 of the mounting base 22, they are screwed with nuts to reliably mount the mounting base 22 on the top end of the float unit 10, so as to reliably arrange the locking portion 21 on the top end of the float unit 10.

[0063] It is worth mentioning that the way of setting the float body 11 on the assembly rod 12 is not limited in the floating height adjustment device 100 of the present invention. For example, in some embodiments, first, a corrosion-resistant steel skeleton is placed as the assembly rod 12 in a foam mold. Second, foam material is filled into the foam mold to wrap a preset position of the assembly rod 12 (for example, the foam material filled in the foam mold is allowed to wrap the middle part of the assembly rod 12). Third, after the foaming process is completed, the float body 11 is formed by demolding the foam material, and thus the float body 11 is set on the assembly rod 12 in this way.

[0064] In the appendix Figures 1 to 8BIn this specific example of the floating height adjustment device 100 shown, from a top-down perspective, the projected shape of the mounting base 22 is square (for example, the projected shape of the mounting base 22 is rectangular). Correspondingly, the projected shape of the floating space 220 of the column device 200 is square, where the shape of the mounting base 22 matches the shape of the floating space 220 of the column device 200, and the length and width dimensions of the mounting base 22 are slightly smaller than the length and width dimensions of the floating space 220 of the column device 200. In this way, on the one hand, based on the buoyancy provided by the float unit 10, the floating height adjustment device 100 is allowed to float up and down along the floating space 220 of the column device 200. On the other hand, when the flowing seawater exerts a force on the floating height adjustment device 100, the cooperation between the mounting base 22 and the column device 200 can prevent the floating height adjustment device 100 from rotating in the floating space 220 of the column device 200, thereby avoiding the lateral force on the locking end 211 of the locking portion 21 to ensure the reliability and stability of the locking portion 21.

[0065] Specifically, the first upright column 230 includes a first column body 231, two first side wings 232, and has a first column groove 233. The two first side wings 232 are arranged on opposite sides of the first column body 231 in parallel, and the height direction of the first side wings 232 is the same as the height direction of the first column body 231. The width direction of the first side wings 232 is perpendicular to the width direction of the first column body 231, so as to form the first column groove 233 between the first column body 231 and the two first side wings 232, and the structural strength of the first upright column 230 is increased by the first side wings 232. One row of the locking holes 210 of the upright column device 200 is formed in the first column body 231. Correspondingly, the second upright column 240 includes a second column body 241, two second side wings 242, and has a second column groove 243. The two second side wings 242 are arranged on opposite sides of the second column body 241 in parallel, and the height direction of the second side wings 242 is the same as the height direction of the second column body 241. The width direction of the second side wings 242 is perpendicular to the width direction of the second column body 241, so as to form the second column groove 243 between the second column body 241 and the two second side wings 242, and the structural strength of the second upright column 240 is increased by the second side wings 242. The other row of the locking holes 210 of the upright column device 200 is formed in the second column body 241. The first upright column 230 and the second upright column 240 are arranged at intervals and in parallel with each other, and the first column groove 233 of the first upright column 230 and the second column groove 243 of the second upright column 240 face each other, so as to allow the first column groove 233 of the first upright column 230 and the second column groove 243 of the second upright column 240 to respectively form a part of the floating space 220 of the upright column device 200. Thus, from a top view perspective, the projection pattern of the floating space 220 of the upright column device 200 is square.

[0066] One end of the mounting seat 22 of the locking unit 20 is movably arranged up and down in the first column groove 233 of the first column 230, and the first column body 231 of the first column 230 and the two first side wings 232 respectively limit the movement of this end of the mounting seat 22 in the plane direction (i.e., the XY direction). Correspondingly, the other end of the mounting seat 22 of the locking unit 20 is movably arranged up and down in the second column groove 243 of the second column 240, so that the second column body 241 of the second column 240 and the two second side wings 242 respectively limit the movement of this end of the mounting seat 22 in the plane direction (i.e., the XY direction). In this way, when the flowing seawater applies force to the floating height adjustment device 100, the mounting seat 22 and the column device 200 cooperate with each other to prevent the floating height adjustment device 100 from rotating in the floating space 220 of the column device 200, thereby avoiding the lateral force on the locking end 211 of the locking part 21 and ensuring the reliability and stability of the locking part 21.

[0067] Further, the locking unit 20 includes a group of first guide wheels 23. Each first guide wheel 23 is rotatably mounted on the periphery of the mounting seat 22, and the distance between the outer side of the first guide wheel 23 and the plane where the central axis of the floating height adjustment device 100 is located is greater than the distance between the outer side of the float unit 10 and the plane where the central axis of the floating height adjustment device 100 is located. The connection line between the two first guide wheels 23 located on the opposite sides of the mounting seat 22 is perpendicular to this plane. That is, from a top view perspective, the outer side of the first guide wheel 23 protrudes from the outer side of the float unit 10. The group of first guide wheels 23 of the locking unit 20 are arranged to be able to roll along the inner wall of the column device 200, so that when the height of the floating height adjustment device 100 rises and falls with the rise and fall of the sea level, the floating height adjustment device 100 and the column device 200 are prevented from colliding, thereby improving the reliability of the floating height adjustment device 100 and extending the service life of the floating height adjustment device 100.

[0068] Specifically, the locking unit 20 includes four of the first guide wheels 23. One of the first guide wheels 23 is rotatably mounted on each of the opposite sides of one end of the mounting seat 22. These two first guide wheels 23 roll along two of the first side wings 232 of the first upright column 230 within the first column groove 233 of the first upright column 230. One of the first guide wheels 23 is rotatably mounted on each of the opposite sides of the other end of the mounting seat 22. These two first guide wheels 23 roll along two of the second side wings 242 of the second upright column 240 within the second column groove 243 of the second upright column 240. Thus, a set of the first guide wheels 23 is arranged to be able to roll along the inner wall of the column device 200. When the height of the floating height adjustment device 100 rises and falls with the rise and fall of the sea level, the floating height adjustment device 100 and the column device 200 are prevented from colliding, thereby improving the reliability of the floating height adjustment device 100 and extending the service life of the floating height adjustment device 100.

[0069] Continue to refer to the attached Figures 1 to 8B As shown, the floating height adjustment device 100 further includes a guiding unit 30. The guiding unit 30 includes a guiding seat 31. The guiding seat 31 is arranged at the bottom end of the floating unit 10. And from a top-down perspective, the projected pattern of the guiding seat 31 is square. The shape of the guiding seat 31 matches the shape of the mounting seat 22, and the length and width dimensions of the guiding seat 31 are the same as those of the mounting seat 22. In this way, based on the buoyancy provided by the floating unit 10, the floating height adjustment device 100 is allowed to float up and down along the floating space 220 of the column device 200. On the other hand, when the flowing sea water exerts a force on the floating height adjustment device 100, the cooperation between the mounting seat 22 and the column device 200 and the cooperation between the guiding seat 31 and the column device 200 can prevent the floating height adjustment device 100 from rotating within the floating space 220 of the column device 200, thereby preventing the locking end 211 of the locking portion 21 from being horizontally stressed, so as to ensure the reliability and stability of the locking portion 21.

[0070] Further, the float body 11 of the float unit 10 exposes the bottom end of the assembly rod 12 to form a bottom end 122 of the rod body of the assembly rod 12. The guide seat 31 has at least one second through hole 311, and the guide seat 31 is installed at the bottom end of the float unit 10 in a manner that allows the bottom end 122 of the rod body of the assembly rod 12 to pass through the second through hole 311. Specifically, the guide seat 31 has four second through holes 311, and the four second through holes 311 are spaced apart from each other. After the bottom ends 122 of the rod bodies of the four assembly rods 12 respectively pass through the four second through holes 311 of the guide seat 31, they are screwed with nuts to reliably install the guide seat 31 at the bottom end of the float unit 10.

[0071] It can be understood that in this specific example of the floating height adjustment device 100 shown in the appendix Figures 1 to 8B The mounting seat 22 is installed at the top end of the float unit 10 in a manner that allows the top end 121 of the rod body of the assembly rod 12 to pass through the first through hole 221, and the guide seat 31 is installed at the bottom end of the float unit 10 in a manner that allows the bottom end 122 of the rod body of the assembly rod 12 to pass through the second through hole 311. In this way, the float unit 10 can serve as an assembly platform, which allows the locking unit 20 to be installed at the top end of the float unit 10 and allows the guide unit 30 to be installed at the bottom end of the float unit 10 to ensure the structural reliability of the floating height adjustment device 100 when it is used for a long time in a harsh environment.

[0072] Further, the guide unit 30 includes a set of second guide wheels 32. Each second guide wheel 32 is rotatably installed on the periphery of the guide seat 31, and the distance between the outer side of the second guide wheel 32 and the plane where the central axis of the floating height adjustment device 100 is located is greater than the distance between the outer side of the float unit 10 and the plane where the central axis of the floating height adjustment device 100 is located. The connection line between two second guide wheels 32 located on the opposite sides of the guide seat 31 is perpendicular to this plane. That is, from a top view perspective, the outer side of the second guide wheel 32 protrudes from the outer side of the float unit 10. The second guide wheels 32 of the guide unit 30 are arranged to be able to roll along the inner wall of the column device 200, so as to avoid collision between the floating height adjustment device 100 and the column device 200 when the height of the floating height adjustment device 100 rises and falls with the rise and fall of the sea level, thereby improving the reliability of the floating height adjustment device 100 and extending the service life of the floating height adjustment device 100.

[0073] Specifically, the guiding unit 30 includes four second guiding wheels 32. One second guiding wheel 32 is rotatably mounted on each of the opposite sides of one end of the guiding seat 31. These two second guiding wheels 32 roll along two first side wings 232 of the first upright column 230 in the first column groove 233 of the first upright column 230 respectively. One second guiding wheel 32 is rotatably mounted on each of the opposite sides of the other end of the guiding seat 31. These two second guiding wheels 32 roll along two second side wings 242 of the second upright column 240 in the second column groove 243 of the second upright column 240 respectively. Thus, a set of second guiding wheels 32 is arranged to be able to roll along the inner wall of the upright column device 200. When the height of the floating height-adjusting device 100 rises and falls with the rise and fall of the sea level, the floating height-adjusting device 100 and the upright column device 200 are prevented from colliding, thereby improving the reliability of the floating height-adjusting device 100 and extending the service life of the floating height-adjusting device 100.

[0074] It can be understood that a set of first guiding wheels 23 and a set of second guiding wheels 32 are respectively provided at the top end and the bottom end of the floating height-adjusting device 100. When the floating height-adjusting device 100 rises and falls with the rise and fall of the sea level, a set of first guiding wheels 23 and a set of second guiding wheels 32 cooperate with each other to ensure that the floating height-adjusting device 100 floats up and down along the floating space 220 of the upright column device 200. In this way, on the one hand, when the height of the floating height-adjusting device 100 rises and falls with the rise and fall of the sea level, the floating height-adjusting device 100 and the upright column device 200 are prevented from colliding, thereby improving the reliability of the floating height-adjusting device 100 and extending the service life of the floating height-adjusting device 100. On the other hand, the locking end 211 of the locking part 21 is controlled to always move along the extending direction of a row of locking holes 210 of the upright column device 200 in the height direction, so as to ensure that the locking end 211 of the locking part 21 can accurately extend into the locking holes 210 of the upright column device 200 to lock the floating height-adjusting device 100 to the upright column device 200.

[0075] Continue to refer to the appendix Figures 1 to 8B, the floating height adjustment device 100 further includes a pulley unit 40, the pulley unit 40 includes a pulley seat 41 and a pulley 42 rotatably mounted on the pulley seat 41, wherein the pulley seat 41 is disposed at the top end of the float unit 10. Specifically, the pulley seat 41 has at least one third through hole 411, and the pulley seat 41 is mounted on the top end of the float unit 10 in a manner that allows the top end 121 of the rod body of the assembly rod 12 to pass through the third through hole 411. Specifically, the pulley seat 41 has four of the third through holes 411, and the four third through holes 411 are spaced apart from each other. After the top ends 121 of the rod bodies of the four assembly rods 12 respectively pass through the four first through holes 221 of the mounting seat 22 and the four third through holes 411 of the pulley seat 41, they are screwed with nuts to respectively and reliably mount the locking unit 20 and the pulley unit 40 on the top end of the float unit 10.

[0076] Continue to refer to the attached Figures 1 to 8B , the floating height adjustment device 100 further includes at least one counterweight unit 50, and the counterweight unit 50 is disposed at the bottom end of the float unit 10 to apply a downward movement force to the float unit 10 by the counterweight unit 50.

[0077] Specifically, refer to the attached Figure 1 and Figure 2 , the counterweight unit 50 includes at least one first counterweight block 51 and at least one second counterweight block 52, wherein the first counterweight block 51 has at least one fourth through hole 511, and the first counterweight block 51 is mounted on the bottom end of the float unit 10 in a manner that allows the bottom end 122 of the rod body of the assembly rod 12 to pass through the fourth through hole 511. The second counterweight block 52 has at least one fifth through hole 521, and the second counterweight block 52 is mounted on the bottom end of the float unit 10 in a manner that allows the bottom end 122 of the rod body of the assembly rod 12 to pass through the fifth through hole 521, so that the counterweight unit 50 is disposed at the bottom end of the float unit 10.

[0078] More specifically, the first counterweight block 51 has four of the fourth through holes 511, and the four fourth through holes 511 are spaced apart from each other. The second counterweight block 52 has four of the fifth through holes 521, and the four fifth through holes 521 are spaced apart from each other. After the bottom ends 122 of the rod bodies of the four assembly rods 12 respectively pass through the fourth through holes 511 of the first counterweight block 51, the second through holes 311 of the guide seat 31, and the fifth through holes 521 of the second counterweight block 52, they are screwed with nuts to respectively and reliably mount the counterweight unit 50 and the guide unit 30 on the bottom end of the float unit 10.

[0079] In another aspect of the present invention, the present invention further provides a method for adjusting the height of the defense net 300, wherein the height adjustment method comprises the following steps:

[0080] (a) allowing the locking end 211 of the locking portion 21 of the locking unit 20 of the floating height adjustment device 100 to disengage from one of a row of locking holes 210 of the column device 200, so as to release the floating height adjustment device 100 from the column device 200;

[0081] (b) adjusting the height position of the floating height adjustment device 100 relative to the column device 200 by the buoyancy provided by the float unit 10 located below the locking unit 20 of the floating height adjustment device 100, thereby adjusting the height position of the defense net 300 whose end is connected to the buoyancy height adjustment device 100; and

[0082] (c) allowing the locking end 211 of the locking portion 21 of the locking unit 20 of the floating height adjustment device 100 to extend into another one of a row of locking holes 210 of the column device 200, so as to lock the floating height adjustment device 100 to the column device 200.

[0083] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the drawings are only examples and do not limit the present invention. The object of the present invention has been fully and effectively achieved. The function and structural principle of the present invention have been shown and described in the embodiments, and the embodiments of the present invention may have any deformation or modification without departing from the principle.

Claims

1. A floating height adjustment device for adjusting the height of a defense net in cooperation with a column device, wherein the column device has at least one row of locking holes arranged along the height direction, and the end of the defense net is connected to the floating height adjustment device, characterized in that, Comprising a buoy unit and a locking unit disposed at the top end of the buoy unit, the locking unit further comprising at least one locking portion having at least one retractable locking end, wherein the locking end of the locking portion is arranged to be able to extend into or disengage from one of a row of locking holes of the column device, and wherein the dimension of the locking end of the locking portion in the height direction is smaller than the dimension of the locking hole of the column device in the height direction, so that the floating height adjustment device and the column device are movably locked; Wherein the column device has a floating space extending in the height direction, and wherein the floating height adjustment device is floatingly held in the floating space of the column device to guide the floating direction of the floating height adjustment device by the column device; Wherein the two locking ends of the locking portion are controlled to move synchronously, with the same amplitude and in opposite directions, so that the two locking ends of the locking portion can retract or extend synchronously and with the same amplitude.

2. The floating height adjustment device according to claim 1, wherein the column device has two rows of locking holes, the two rows of locking holes being respectively located on opposite sides of the floating space, and wherein the locking portion has two locking ends, and each of the locking ends of the locking portion is respectively arranged to be able to extend into one of each row of locking holes of the column device.

3. The floating height adjustment device according to claim 2, wherein the locking unit further comprises a mounting seat and a set of first guide wheels rotatably mounted on the periphery of the mounting seat, wherein the locking portion is mounted on the mounting seat, and the mounting seat is mounted on the top end of the buoy unit to position the locking portion at the top end of the buoy unit by the mounting seat, and wherein the outer sides of the first guide wheels protrude beyond the outer side of the buoy unit.

4. The floating height adjustment device according to claim 3, wherein the floating height adjustment device further comprises a guiding unit, the guiding unit comprising a guiding seat and a set of second guide wheels rotatably mounted on the periphery of the guiding seat, wherein the guiding seat is disposed at the bottom end of the buoy unit, and wherein the outer sides of the second guide wheels protrude beyond the outer side of the buoy unit.

5. The floating height adjustment device according to any one of claims 1 to 3, wherein the floating height adjustment device further comprises a pulley unit, the pulley unit comprising a pulley seat and a pulley rotatably mounted on the pulley seat, and wherein the pulley seat is disposed at the top end of the buoy unit.

6. The floating height adjustment device according to any one of claims 1 to 3, wherein the floating height adjustment device further comprises at least one counterweight unit, and the counterweight unit is disposed at the bottom end of the buoy unit.

7. The floating height-adjusting device according to claim 3, wherein the float unit includes at least one float body and at least one assembly rod, the float body is disposed on the assembly rod and exposes the top end of the assembly rod to form a top end of a rod body of the assembly rod, and wherein the mounting seat has at least one first through hole, and the mounting seat is mounted on the top end of the float unit in a manner that allows the top end of the rod body of the assembly rod to pass through the first through hole.

8. The floating height-adjusting device according to claim 4, wherein the float unit includes at least one float body and at least one assembly rod, the float body is disposed on the assembly rod and exposes the top end and the bottom end of the assembly rod to form a top end of a rod body and a bottom end of a rod body of the assembly rod, and wherein the mounting seat has at least one first through hole, the mounting seat is mounted on the top end of the float unit in a manner that allows the top end of the rod body of the assembly rod to pass through the first through hole, and wherein the guiding seat has at least one second through hole, the guiding seat is mounted on the bottom end of the float unit in a manner that allows the bottom end of the rod body of the assembly rod to pass through the second through hole, so that the float unit assembles the locking unit and the guiding unit as an assembly platform.

9. Method for adjusting the height of a defense net, characterized in that, The height-adjusting method adjusts the height of the protective net through the floating height-adjusting device according to claim 4, wherein the height-adjusting method includes the following steps: (a) allowing a locking end of a locking portion of a locking unit of a floating height-adjusting device to disengage from one of a row of locking holes of a column device to release the floating height-adjusting device from the column device; (b) adjusting the height position of the floating height-adjusting device relative to the column device through the buoyancy provided by a float unit located below the locking unit of the floating height-adjusting device, thereby adjusting the height position of a protective net whose end is connected to the buoyancy height-adjusting device; and (c) allowing the locking end of the locking portion of the locking unit of the floating height-adjusting device to extend into another one of the row of locking holes of the column device to lock the floating height-adjusting device to the column device, wherein the dimension of the locking end of the locking portion in the height direction is smaller than the dimension of the locking hole of the column device in the height direction, so that the floating height-adjusting device and the column device are movably locked.

10. The height-adjusting method according to claim 9, wherein in the step (b), the floating direction of the floating height-adjusting device is guided by the column device.

11. The height-adjusting method according to claim 10, wherein in the step (b), a set of first guide wheels of the locking unit is allowed to roll along the inner wall of the column device.

12. The height-adjusting method according to claim 11, wherein in the step (b), a set of second guide wheels of a guiding unit located at the bottom end of the float unit is allowed to roll along the inner wall of the column device.

13. The height adjustment method according to any one of claims 9 to 12, wherein in the step (b), a downward movement force is applied to the float unit by a counterweight unit.

14. The height adjustment method according to any one of claims 9 to 12, wherein in the step (a), by retracting the locking end of the locking portion, the locking end of the locking portion is allowed to disengage from one of the locking holes in a row of the column device, and in the step (c), by extending the locking end of the locking portion, the locking end of the locking portion is allowed to extend into another one of the locking holes in a row of the column device.

15. The height adjustment method according to any one of claims 9 to 12, wherein in the step (c), the locking end of the locking portion is allowed to move along the height direction of the locking hole of the column device.

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