Self-adjustable anti-swing device for floating crane and anti-swing method thereof

Abstract

The present application relates to the technical field of crane anti-swing, in particular to a self-adjustable floating crane anti-swing device and its anti-swing method, comprising a mounting frame, a transverse moving mechanism, a longitudinal moving mechanism and two push rods, the mounting frame is installed on a rotating arm, the self-adjustable floating crane anti-swing device and its anti-swing method utilize the principle that the arc-shaped bottom of the ship body can only perform transverse or longitudinal swing most of the time, when longitudinal or transverse swing occurs, through cross-direction high-frequency pushing, the original regular swing is destroyed, the swing of the goods on the ship is no longer regular, the goods can be pulled by forces in multiple directions, the swing amplitude is reduced, and danger is avoided. In order to ensure cross-direction pushing without making the pushing direction the same as the original swing direction, through the action of the two, the switching power is connected with the or when switching direction, same-direction pushing and increased swing amplitude are avoided.

Description

Technical Field

[0001] This invention relates to the field of crane anti-sway technology, specifically to an adjustable floating crane anti-sway device and its anti-sway method. Background Technology

[0002] Offshore crane anti-sway systems aim to solve the swaying problem during lifting and transportation, ensuring that there is no significant swaying and guaranteeing the safety of operators. Therefore, crane anti-sway systems are crucial, effectively preventing safety accidents caused by swaying and ensuring the normal operation of work. The main cause of offshore crane swaying is the flow of seawater, which causes the hull to sway, ultimately affecting the crane's boom. Although the hull sway may be small, the boom's high position means that even slight swaying can lead to a significant sway.

[0003] Conventional methods of sway reduction involve constant-speed lifting and unloading. However, these methods have significant limitations, drastically restricting the speed of the lifted items. Furthermore, the need for sway reduction is often only determined after the item has swayed during lifting, and the aforementioned methods cannot provide timely sway reduction, posing a risk of danger. Therefore, a self-adjusting sway reduction device and method for floating cranes are needed, capable of rapidly reducing sway when it occurs, preventing large-scale swaying of items and potential personnel hazards. Summary of the Invention

[0004] To address the aforementioned technical shortcomings, the purpose of this invention is to provide a self-adjustable floating crane anti-sway device and method, which can quickly eliminate swaying when it occurs, preventing large-scale swaying of objects and avoiding danger to personnel.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: The present invention provides a self-adjustable floating crane anti-sway device and its anti-sway method, including a mounting frame, a lateral moving mechanism, a longitudinal moving mechanism, and two push rods. The mounting frame is mounted on the rotating arm. The lateral moving mechanism is mounted on the mounting frame and can move laterally. The longitudinal moving mechanism is mounted on the displacement plate of the lateral moving mechanism. The lateral moving mechanism drives the longitudinal moving mechanism to move laterally through the displacement plate. A support frame for longitudinal movement is provided on the longitudinal moving mechanism. The two push rods are rotatably mounted on the support frame through a rotating mechanism. The support frame is used to drive the two push rods to move longitudinally, and the rotating mechanism is used to drive the two push rods to rotate 90 degrees simultaneously.

[0006] Preferably, it also includes a power switching mechanism, which is fixedly mounted on the displacement plate. The power switching mechanism includes a spline sleeve, a first spline shaft, and a second spline shaft. The second spline shaft is fixedly connected to the transverse moving mechanism, and the first spline shaft is fixedly connected to the longitudinal moving mechanism. The spline sleeve is located between the second spline shaft and the first spline shaft. The spline sleeve is horizontally slidably mounted on the displacement plate via a guide seat. The spline sleeve is used to slide and engage with the outer edge of the second spline shaft or the first spline shaft. A reciprocating rotating gear is fixedly provided on the displacement plate. The spline sleeve is connected to the rotating gear via a transmission gear. A return spring is sleeved on the outer edge of the spline sleeve to push the transmission gear closer to the first spline shaft. A push plate is provided on the displacement plate to horizontally push the spline sleeve. The push plate is connected to the rotating mechanism via a transmission connection.

[0007] Preferably, the rotating mechanism includes an electric push rod, a rotator, and a fixed rod. The rotator is fixedly installed at the bottom of the support frame, and the output end of the rotator is fixedly connected to one of the push rods. The fixed rod is fixedly connected to the other push rod via a rotating shaft, which is rotatably connected to the support frame. The guide post is horizontally slidably installed on the support frame via a mounting base. One end of the guide post is hinged to a hinge rod, and one end of the hinge rod is hinged to the fixed rod. The electric push rod is fixedly installed on the mounting base, and the output end of the electric push rod is fixedly connected to the guide post. A push plate is fixedly installed at the end of the guide post.

[0008] Preferably, the lateral movement mechanism includes a rack, a gear, a fixed frame, and a guide rail. The guide rail is fixedly mounted on the mounting frame. The displacement plate is fixedly connected to the fixed frame. The fixed frame is slidably connected to the guide rail. The gear is fixedly connected to the splined shaft via a connecting shaft. The connecting shaft is rotatably mounted on the displacement plate. The rack is fixedly connected to the mounting frame via a base plate. The gear meshes with the rack.

[0009] Preferably, the longitudinal moving mechanism includes a threaded rod and a threaded plate. The threaded rod is rotatably mounted on the displacement plate, the threaded plate is engaged with the threaded rod, the threaded plate is fixedly connected to the bottom of the support frame, and a telescopic tube is provided between the support frame and the fixed frame.

[0010] Preferably, it also includes an angle adjustment mechanism and a distance adjustment mechanism. The angle adjustment mechanism is fixedly installed on the rotating arm, and the distance adjustment mechanism is fixedly installed on the rotating seat. The mounting bracket is fixedly connected to the sliding shaft of the distance adjustment mechanism.

[0011] Preferably, the distance adjustment mechanism includes two symmetrically arranged single-sided locking mechanisms. Each single-sided locking mechanism includes a pressure plate, an anti-slip plate, and an electric pull rod. The electric pull rod is fixedly installed on the rotating base, the sliding shaft is slidably connected to the rotating base, the mounting bracket is fixedly installed on the end of the sliding shaft, the anti-slip plate is fixedly installed on the mounting bracket, and the pressure plate is fixedly installed on the output end of the electric pull rod.

[0012] Preferably, the angle adjustment mechanism includes a driven gear, two driving gears, and two dual-shaft reducers. The driven gear is fixedly mounted on the rotating base and is rotatably connected to the side of the rotating arm via a support shaft. The driving gear is rotatably connected to the driven gear and is fixedly mounted on the output shaft of the dual-shaft reducer. A motor is fixedly mounted on the input end of the dual-shaft reducer.

[0013] A method for eliminating sway in a self-adjustable floating crane anti-sway device includes the following steps:

[0014] Step 1: After the rotating arm angle is adjusted, the pressure plate and the anti-slip plate separate. The angle adjustment mechanism rotates to change the angle. The cable pulls the sliding shaft along the rotating seat to adjust the position. After the rotation is completed, the pressure plate and the anti-slip plate are pulled to clamp.

[0015] Step 2: The cable sways laterally, the spline sleeve engages with the spline shaft, and the rotating gear drives the threaded rod to rotate in both directions, causing the support frame to drive the push rod to move longitudinally back and forth, and the push rod to move longitudinally at high frequency.

[0016] Step 3: The cable sways longitudinally, and the rotating mechanism pulls the push rod to rotate 90 degrees. At the same time, the rotating mechanism pushes the spline sleeve and spline shaft to engage through the push plate.

[0017] Step 4: The rotating gear drives the displacement plate to move laterally back and forth through the gear, and the push rod moves the cable laterally at high frequency.

[0018] The beneficial effects of this invention are as follows: This self-adjustable floating crane anti-sway device and its anti-sway method utilize the principle that the hull's curved bottom allows for mostly lateral or longitudinal swaying. When longitudinal or lateral swaying occurs, a high-frequency, staggered push disrupts the original swaying pattern, causing the objects on the crane to sway irregularly. This allows them to be pulled by forces from multiple directions, reducing the sway amplitude and preventing danger. Furthermore, to ensure the staggered push does not result in the push direction being the same as the original swaying direction, the action of [a specific mechanism] and [another mechanism] connects the switching power [a specific mechanism] and [another mechanism] simultaneously with the change of direction, preventing increased sway amplitude caused by unidirectional push. Moreover, when the angle changes, the separation between [a specific mechanism] and [another mechanism] allows for automatic adjustment of the position during rotation, ensuring accurate displacement of [a specific mechanism] without complex calculations. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a front view of the installation state of the present invention.

[0021] Figure 2 This is a three-dimensional structural diagram of the present invention in its installed state.

[0022] Figure 3 This is a schematic diagram of the three-dimensional structure after the push rod is rotated.

[0023] Figure 4 This is a top view of the present invention.

[0024] Figure 5 This is a three-dimensional structural diagram of the power switching mechanism.

[0025] Figure 6 This is a three-dimensional structural diagram of the rotating mechanism and the longitudinal moving mechanism.

[0026] Figure 7 This is a three-dimensional structural diagram of the rotating mechanism.

[0027] Figure 8 This is a three-dimensional structural diagram of the lateral movement mechanism.

[0028] Figure 9 This is a three-dimensional structural diagram of the longitudinal movement mechanism.

[0029] Figure 10 This is a three-dimensional structural diagram of the angle adjustment mechanism.

[0030] Figure 11 This is a three-dimensional structural diagram of the distance adjustment mechanism.

[0031] Explanation of reference numerals in the attached drawings: 1. Rotating arm; 2. Cable; 3. Angle adjustment mechanism; 3a. Rotary seat; 3b. Driven gear; 3c. Driving gear; 3d. Dual-shaft reducer; 4. Distance adjustment mechanism; 4a. Sliding shaft; 4b. Pressure plate; 4c. Anti-slip plate; 4d. Electric pull rod; 5. Mounting bracket; 6. Lateral movement mechanism; 6a. Displacement plate; 6b. Rack; 6c. Gear; 6d. Fixed bracket; 6e. Guide rail; 7. Longitudinal movement mechanism; 7a. Support frame; 7b, threaded rod; 7c, threaded plate; 7d, telescopic tube; 8, push rod; 9, rotating mechanism; 9a, electric push rod; 9b, rotator; 9c, hinge rod; 9d, fixed rod; 9e, mounting base; 9f, guide post; 10, power switching mechanism; 10a, spline sleeve; 10b, push plate; 10c, return spring; 10d, guide seat; 10e, transmission gear; 10f, spline shaft one; 10h, spline shaft two; 11, rotating gear. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Example: This invention provides a self-adjustable floating crane anti-sway device, such as... Figure 1-3 As shown, the device includes a mounting frame 5, a lateral moving mechanism 6, a longitudinal moving mechanism 7, and two push rods 8. The mounting frame 5 is mounted on the rotating arm 1. The lateral moving mechanism 6 is mounted on the mounting frame 5 and can move laterally. The longitudinal moving mechanism 7 is mounted on the displacement plate 6a of the lateral moving mechanism 6. The lateral moving mechanism 6 drives the longitudinal moving mechanism 7 to move laterally via the displacement plate 6a. The longitudinal moving mechanism 7 is provided with a support frame 7a for longitudinal movement. The two push rods 8 are rotatably mounted on the support frame 7a via a rotating mechanism 9. The support frame 7a is used to drive the two push rods 8 to move longitudinally, and the rotating mechanism 9 is used to drive the two push rods 8 to rotate simultaneously by 90 degrees. Figure 2 and Figure 3 The states of the rotating mechanism 9 shown are before and after rotation. When the cable 2 swings laterally, the two rotating mechanisms 9 will exhibit the following states: Figure 2 In the state shown, to eliminate the swaying, the longitudinal movement mechanism 7 pushes the two push rods 8 longitudinally, breaking the originally regular swaying and reducing the lateral swaying amplitude of the cable 2. While the cable 2 is swaying longitudinally, the push rods 8 will rotate to... Figure 3 In the state shown, when the lateral movement mechanism 6 is activated, the push rod 8 can move laterally, disrupting the original regular longitudinal movement. The movement of the push rod 8 driven by the lateral movement mechanism 6 and the longitudinal movement mechanism 7 is a high-frequency, short-distance movement. This method does not require a large thrust but can achieve a good anti-sway effect.

[0034] If cable 2 moves laterally but the rotating mechanism 9 does not push cable 2 to move longitudinally, this will increase the swing amplitude of cable 2, causing more serious consequences. Similarly, if cable 2 moves longitudinally but the rotating mechanism 9 pushes it to move longitudinally, this will also cause more serious consequences. To avoid this situation, a safer method is needed. Therefore, such as... Figure 4-6As shown, it also includes a power switching mechanism 10, which is fixedly installed on the displacement plate 6a. The power switching mechanism 10 includes a spline sleeve 10a, a first spline shaft 10f, and a second spline shaft 10h. The second spline shaft 10h is fixedly connected to the transverse moving mechanism 6, and the first spline shaft 10f is fixedly connected to the longitudinal moving mechanism 7. The spline sleeve 10a is located between the second spline shaft 10h and the first spline shaft 10f. The spline sleeve 10a is horizontally slidable on the displacement plate 6a via the guide seat 10d. The spline sleeve 10a is used to slide and engage with the second spline shaft 10h or the first spline shaft 10f. On the outer edge of 0f, a reciprocating rotating gear 11 is fixedly mounted on the displacement plate 6a. The spline sleeve 10a is connected to the rotating gear 11 via a transmission gear 10e. A return spring 10c is fitted on the outer edge of the spline sleeve 10a to push the transmission gear 10e closer to the spline shaft 10f. A push plate 10b is mounted on the displacement plate 6a to horizontally push the spline sleeve 10a. The push plate 10b is connected to the rotating mechanism 9. When the rotating mechanism 9 drives the two push rods 8 to rotate and switch positions, the push plate 10b can be driven to push the spline sleeve 10a to switch positions. When the rotating mechanism 9 rotates to... Figure 2 In the state shown, when the push plate 10b pushes the spline sleeve 10a to engage with the second spline shaft 10h, the rotating gear 11 will drive the second spline shaft 10h to rotate via the transmission gear 10e, thus enabling the lateral movement mechanism 6 to operate. At this time, the spline sleeve 10a and the first spline shaft 10f separate, meaning the longitudinal movement mechanism 7 stops operating. Conversely, when the push rod 8 rotates to... Figure 3 In the indicated state, spline sleeve 10a is engaged with spline shaft 10f, longitudinal movement mechanism 7 is operational, and lateral movement mechanism 6 is inactive. This switching method ensures that when cable 2 moves laterally, push rod 8 can only move longitudinally, and vice versa, ensuring the safety of the anti-sway process and preventing an increase in sway amplitude. The rotation of rotating gear 11 is driven by a power mechanism mounted on displacement plate 6a.

[0035] To ensure that the spline sleeve 10a can switch when the two push rods 8 are rotated by the rotating mechanism 9, therefore, as follows: Figure 6 and Figure 7As shown, the rotating mechanism 9 includes an electric push rod 9a, a rotator 9b, and a fixed rod 9d. The rotator 9b is fixedly installed at the bottom of the support frame 7a, and its output end is fixedly connected to one of the push rods 8. The fixed rod 9d is fixedly connected to the other push rod 8 via a rotating shaft, which is rotatably connected to the support frame 7a. The guide post 9f is horizontally slidably installed on the support frame 7a via a mounting base 9e. One end of the guide post 9f is hinged to a hinge rod 9c, and one end of the hinge rod 9c is hinged to the fixed rod 9d. The electric push rod 9a is fixedly installed on the mounting base 9e, and its output end is fixedly connected to the guide post 9f. The push plate 10b is fixedly installed at the end of the guide post 9f. When the push rod 8 is in... Figure 2 When the state shown is reached, push plate 10b will be in the position indicated. Figure 6 In the state shown, the longitudinal moving mechanism 7 operates, pushing the two push rods 8 longitudinally. When the push rods 8 need to be switched, one push rod 8 is rotated by the rotator 9b, while the rotation of the other push rod 8 drives the guide post 9f through the electric push rod 9a. This causes the guide post 9f to horizontally push the push plate 10b, which in turn pushes the spline sleeve 10a to engage with the spline shaft 10h, allowing the transverse moving mechanism 6 to operate. The transverse moving mechanism 6 then pushes the two push rods 8 laterally. This ensures that the spline sleeve 10a can be switched while the two push rods 8 are being rotated by the rotating mechanism 9.

[0036] It should be noted that when the longitudinal moving mechanism 7 drives the support frame 7a to move back and forth, the support frame 7a will drive the rotating mechanism 9 to move as a whole, which will also drive the push plate 10b to move longitudinally back and forth. The movement range is small and will not push the spline sleeve 10a and the spline shaft 10f to completely separate.

[0037] like Figure 8 As shown, the lateral movement mechanism 6 includes a rack 6b, a gear 6c, a fixed frame 6d, and a guide rail 6e. The guide rail 6e is fixedly mounted on the mounting frame 5. The displacement plate 6a is fixedly connected to the fixed frame 6d, and the fixed frame 6d is slidably connected to the guide rail 6e. The gear 6c is fixedly connected to the splined shaft 10h via a connecting shaft, which is rotatably mounted on the displacement plate 6a. The rack 6b is fixedly connected to the mounting frame 5 via a base plate, and the gear 6c meshes with the rack 6b. When the displacement plate 6a needs to move laterally, the splined shaft 10h is rotated, causing the gear 6c to move horizontally on the rack 6b. This causes the gear 6c to drive the displacement plate 6a and the fixed frame 6d to slide horizontally along the guide rail 6e. When the displacement plate 6a moves, it drives all the mechanisms mounted on it to move, allowing the two push rods 8 to move along with it.

[0038] like Figure 9As shown, the longitudinal moving mechanism 7 includes a threaded rod 7b and a threaded plate 7c. The threaded rod 7b is rotatably mounted on the displacement plate 6a. The threaded plate 7c is engaged with the threaded rod 7b and is fixedly connected to the bottom of the support frame 7a. A telescopic tube 7d is provided between the support frame 7a and the fixed frame 6d, and the telescopic tube 7d is used to guide the horizontal movement of the support frame 7a. When the spline shaft 10f drives the threaded rod 7b to rotate, the threaded rod 7b will drive the threaded plate 7c to rotate, causing the support frame 7a to reciprocate through the telescopic tube 7d.

[0039] If the mounting bracket 5 is directly fixed to the rotating arm 1, the included angle between the cables 2 will also change when the angle of the rotating arm 1 changes. This will cause the distance and angle between the mounting bracket 5 and the cables 2 to change. In order to ensure that the cables 2 are maintained between the two push rods 8, therefore, as follows: Figure 10 As shown, it also includes an angle adjustment mechanism 3 and a distance adjustment mechanism 4. The angle adjustment mechanism 3 is fixedly installed on the rotating arm 1, and the distance adjustment mechanism 4 is fixedly installed on the rotating seat 3a. The mounting bracket 5 is fixedly connected to the sliding shaft 4a of the distance adjustment mechanism 4. When the angle of the rotating arm 1 changes, the angle adjustment mechanism 3 first works, causing the rotating seat 3a to drive the distance adjustment mechanism 4 to rotate. The sliding shaft 4a on the distance adjustment mechanism 4 rotates to be perpendicular to the cable 2. Then, the distance adjustment mechanism 4 works again, allowing the taut cable 2 to be engaged between the two push rods 8.

[0040] The device is positioned at a high point, and the rotation angle of the rotating base 3a can be determined using a level. The distance that the distance adjustment mechanism 4 needs to move is determined by... Figure 11 As shown, the distance adjustment mechanism 4 includes two symmetrically arranged single-sided locking mechanisms. Each single-sided locking mechanism includes a pressure plate 4b, an anti-slip plate 4c, and an electric pull rod 4d. The electric pull rod 4d is fixedly installed on the rotating seat 3a. The sliding shaft 4a is slidably connected to the rotating seat 3a. The mounting bracket 5 is fixedly installed on the end of the sliding shaft 4a. The anti-slip plate 4c is fixedly installed on the mounting bracket 5. The pressure plate 4b is fixedly installed on the output end of the electric pull rod 4d. Before the angle adjustment mechanism 3 rotates, the pressure plate 4b and the anti-slip plate 4c separate. During the rotation of the angle adjustment mechanism 3, since the cable 2 is taut, it drives the mounting frame 5 to slide horizontally via the push rod 8. The movement of the mounting frame 5 is horizontally guided by the sliding shaft 4a and the rotating seat 3a. After the angle adjustment mechanism 3 rotates to its position, the position of the distance adjustment mechanism 4 is also adjusted. Finally, the electric pull rod 4d pulls the pressure plate 4b and the anti-slip plate 4c to engage, locking the rotating seat 3a and the sliding shaft 4a, thus completing the adjustment of the distance adjustment mechanism 4. This adjustment method utilizes the tautness of the cable 2, replacing complex calculations and offering greater precision.

[0041] like Figure 10 As shown, the angle adjustment mechanism 3 includes a driven gear 3b, two driving gears 3c, and two dual-shaft reducers 3d. The driven gear 3b is fixedly mounted on the rotating base 3a and is rotatably connected to the side of the rotating arm 1 via a support shaft. The driving gears 3c are rotatably connected to the driven gear 3b and are fixedly mounted on the output shaft of the dual-shaft reducers 3d. A motor is fixedly mounted on the input end of the dual-shaft reducers 3d. Rotation of the dual-shaft reducers 3d drives the rotating base 3a to rotate via the driving gears 3c and driven gears 3b.

[0042] A method for eliminating sway in a self-adjustable floating crane anti-sway device, characterized by comprising the following steps:

[0043] Step 1: After the angle of the rotating arm 1 is adjusted, the pressure plate 4b and the anti-slip plate 4c are separated. The angle adjustment mechanism 3 rotates to change the angle. The cable 2 pulls the sliding shaft 4a to slide along the rotating seat 3a to adjust the position. After the rotation is completed, the pressure plate 4b and the anti-slip plate 4c are pulled to clamp.

[0044] Step 2: The cable 2 sways laterally, the spline sleeve 10a engages with the spline shaft 10f, and the rotating gear 11 drives the threaded rod 7b to rotate in both directions, causing the support frame 7a to drive the push rod 8 to move longitudinally back and forth, and the push rod 8 to move longitudinally at high frequency.

[0045] Step 3: Cable 2 sways longitudinally, and the rotating mechanism 9 pulls the push rod 8 to rotate 90 degrees. At the same time, the rotating mechanism 9 pushes the spline sleeve 10a to engage with the spline shaft 10h through the push plate 10b.

[0046] Step 4: Rotating gear 11 drives displacement plate 6a to move laterally and reciprocally through gear 6c, and push rod 8 moves cable 2 laterally at high frequency.

[0047] This self-adjustable floating crane anti-sway device and its anti-sway method utilize the principle that the hull's curved bottom allows for mostly lateral or longitudinal swaying. When longitudinal or lateral swaying occurs, a high-frequency, staggered push rod 8 is used to disrupt the original regular swaying, causing the items on the cable 2 to sway irregularly. This results in the cable 2 being pulled by forces from multiple directions, reducing the swaying amplitude and preventing danger. Furthermore, to ensure that the push rod 8 is pushed in a staggered direction and not in the same direction as the original swaying of the cable 2, the rotating mechanism 9 and the power switching mechanism 10 work together. Simultaneously, as the push rod 8 changes direction, the power switching mechanism 10 switches the power connection to either the lateral movement mechanism 6 or the longitudinal movement mechanism 7, preventing simultaneous pushing and thus avoiding increased swaying amplitude of the cable 2. Moreover, when the angle of the rotating arm 1 changes, the separation between the pressure plate 4b and the anti-slip plate 4c allows the angle adjustment mechanism 3 to automatically adjust the position of the mounting bracket 5 during rotation, ensuring precise displacement of the push rod 8 without complex calculations.

[0048] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

Claims

1. A self-adjustable floating crane anti-sway device, characterized in that, It includes a mounting frame (5), a lateral moving mechanism (6), a longitudinal moving mechanism (7), and two push rods (8). The mounting frame (5) is mounted on the rotating arm (1). The lateral moving mechanism (6) is mounted on the mounting frame (5) and can move laterally. The longitudinal moving mechanism (7) is mounted on the displacement plate (6a) of the lateral moving mechanism (6). The lateral moving mechanism (6) drives the longitudinal moving mechanism (7) to move laterally through the displacement plate (6a). The longitudinal moving mechanism (7) is provided with a support frame (7a) for longitudinal movement. The two push rods (8) are rotatably mounted on the support frame (7a) through a rotating mechanism (9). The support frame (7a) is used to drive the two push rods (8) to move longitudinally. The rotating mechanism (9) is used to drive the two push rods (8) to rotate 90 degrees simultaneously. When the cable (2) swings laterally, the longitudinal movement mechanism (7) pushes the two push rods (8) to move longitudinally; When the cable (2) swings longitudinally, the lateral movement mechanism (6) pushes the two push rods (8) to move laterally; It also includes a power switching mechanism (10), which is fixedly installed on the displacement plate (6a). The power switching mechanism (10) includes a spline sleeve (10a), a first spline shaft (10f), and a second spline shaft (10h). The second spline shaft (10h) is fixedly connected to the transverse moving mechanism (6), and the first spline shaft (10f) is fixedly connected to the longitudinal moving mechanism (7). The spline sleeve (10a) is located between the second spline shaft (10h) and the first spline shaft (10f). The spline sleeve (10a) is horizontally slidably installed on the displacement plate (6a) through the guide seat (10d). 10a) is used to slide and snap onto the outer edge of spline shaft two (10h) or spline shaft one (10f). A rotary gear (11) capable of reciprocating is fixedly provided on the displacement plate (6a). The spline sleeve (10a) is connected to the rotary gear (11) through the transmission gear (10e). A return spring (10c) for pushing the transmission gear (10e) closer to the spline shaft one (10f) is sleeved on the outer edge of the spline sleeve (10a). A push plate (10b) capable of horizontally pushing the spline sleeve (10a) is provided on the displacement plate (6a). The push plate (10b) is connected to the rotating mechanism (9) through transmission. When the two push rods (8) are parallel in the longitudinal direction, the push plate (10b) pushes the spline sleeve (10a) to engage with the spline shaft two (10h), and the rotating gear (11) will drive the spline shaft two (10h) to rotate through the transmission gear (10e), and the lateral moving mechanism (6) will push laterally. When the two push rods (8) are parallel to each other laterally, the spline sleeve (10a) and the spline shaft (10f) are engaged, the longitudinal moving mechanism (7) works, and the lateral moving mechanism (6) stops working. The rotating mechanism (9) includes an electric push rod (9a), a rotator (9b), and a fixed rod (9d). The rotator (9b) is fixedly installed at the bottom of the support frame (7a). The output end of the rotator (9b) is fixedly connected to one of the push rods (8). The fixed rod (9d) is fixedly connected to the other push rod (8) through a rotating shaft. The rotating shaft is rotatably connected to the support frame (7a). The guide column (9f) is horizontally slidably installed on the support frame (7a) through the mounting seat (9e). One end of the guide column (9f) is hinged to a hinge rod (9c). One end of the hinge rod (9c) is hinged to the fixed rod (9d). The electric push rod (9a) is fixedly installed on the mounting seat (9e). The output end of the electric push rod (9a) is fixedly connected to the guide column (9f). The push plate (10b) is fixedly installed at the end of the guide column (9f). One end of the guide post (9f) is hinged to a hinge rod (9c), and one end of the hinge rod (9c) is hinged to a fixed rod (9d); When the push rod (8) needs to be switched, one of the push rods (8) is driven to rotate by the rotator (9b), while the rotation of the other push rod (8) is driven by the electric push rod (9a) to move the guide post (9f), so that the guide post (9f) pushes the push plate (10b) horizontally. It also includes an angle adjustment mechanism (3) and a distance adjustment mechanism (4). The angle adjustment mechanism (3) is fixedly installed on the rotating arm (1), and the distance adjustment mechanism (4) is fixedly installed on the rotating seat (3a). The mounting bracket (5) is fixedly connected to the sliding shaft (4a) of the distance adjustment mechanism (4). When the angle of the rotating arm (1) changes, the rotating seat (3a) drives the distance adjustment mechanism (4) to rotate. The sliding shaft (4a) on the distance adjustment mechanism (4) rotates to be perpendicular to the cable (2), and then works through the distance adjustment mechanism (4) so ​​that the taut cable (2) can be inserted between the two push rods (8).

2. The self-adjustable floating crane anti-sway device as described in claim 1, characterized in that, The transverse movement mechanism (6) includes a rack (6b), a gear (6c), a fixed frame (6d), and a guide rail (6e). The guide rail (6e) is fixedly installed on the mounting frame (5). The displacement plate (6a) is fixedly connected to the fixed frame (6d), and the fixed frame (6d) is slidably connected to the guide rail (6e). The gear (6c) is fixedly connected to the spline shaft (10h) through a connecting shaft. The connecting shaft is rotatably installed on the displacement plate (6a). The rack (6b) is fixedly connected to the mounting frame (5) through a base plate, and the gear (6c) meshes with the rack (6b).

3. The self-adjustable floating crane anti-sway device as described in claim 2, characterized in that, The longitudinal moving mechanism (7) includes a threaded rod (7b) and a threaded plate (7c). The threaded rod (7b) is rotatably mounted on the displacement plate (6a). The threaded plate (7c) is meshed with the threaded rod (7b). The threaded plate (7c) is fixedly connected to the bottom of the support frame (7a). A telescopic tube (7d) is provided between the support frame (7a) and the fixed frame (6d).

4. The self-adjustable floating crane anti-sway device as described in claim 3, characterized in that, The distance adjustment mechanism (4) includes two symmetrically arranged single-sided locking mechanisms. Each single-sided locking mechanism includes a pressure plate (4b), an anti-slip plate (4c), and an electric pull rod (4d). The electric pull rod (4d) is fixedly installed on the rotating seat (3a). The sliding shaft (4a) is slidably connected to the rotating seat (3a). The mounting bracket (5) is fixedly installed on the end of the sliding shaft (4a). The anti-slip plate (4c) is fixedly installed on the mounting bracket (5). The pressure plate (4b) is fixedly installed on the output end of the electric pull rod (4d).

5. The self-adjustable floating crane anti-sway device as described in claim 3, characterized in that, The angle adjustment mechanism (3) includes a driven gear (3b), two driving gears (3c) and two dual-shaft reducers (3d). The driven gear (3b) is fixedly mounted on the rotating seat (3a). The driven gear (3b) is rotatably connected to the side of the rotating arm (1) through the support shaft. The driving gear (3c) is rotatably connected to the driven gear (3b). The driving gear (3c) is fixedly mounted on the output shaft of the dual-shaft reducer (3d). A motor is fixedly mounted on the input end of the dual-shaft reducer (3d).

6. A method for eliminating swaying in a self-adjustable floating crane based on claim 4, characterized in that, Includes the following steps: Step 1: After the angle of the rotating arm (1) is adjusted, the pressure plate (4b) and the anti-slip plate (4c) are separated. The angle adjustment mechanism (3) rotates to change the angle. The cable (2) pulls the sliding shaft (4a) to slide along the rotating seat (3a) to adjust the position. After the rotation is completed, the pressure plate (4b) and the anti-slip plate (4c) are pulled to clamp. Step 2: The cable (2) sways laterally, the spline sleeve (10a) engages with the spline shaft (10f), and the rotating gear (11) drives the threaded rod (7b) to rotate in both directions, causing the support frame (7a) to drive the push rod (8) to move longitudinally back and forth, and the push rod (8) to move longitudinally at high frequency. Step 3: The cable (2) sways longitudinally, and the rotating mechanism (9) pulls the push rod (8) to rotate 90 degrees. At the same time, the rotating mechanism (9) pushes the spline sleeve (10a) to engage with the spline shaft two (10h) through the push plate (10b). Step 4: The rotating gear (11) drives the displacement plate (6a) to move laterally back and forth through the gear (6c), and the push rod (8) moves the cable (2) laterally at high frequency.

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