Clamping tool for rapidly replacing lifting appliance

Abstract

The utility model discloses a clamping tool for quickly replacing a lifting appliance. The clamping tool comprises a clamping mechanism capable of clamping or loosening a lifting end, connected with lifting equipment, of the lifting appliance, the clamping mechanism comprises a clamping piece connected with the lifting end of the lifting appliance, a clamping driving assembly used for adjusting clamping or loosening of the clamping piece and a support. The clamping driving assembly comprises a clamping arm assembly in transmission connection with the clamping piece and a driving mechanism. The clamping arm assembly is arranged at the output end of the driving mechanism and is driven by the driving mechanism to drive the clamping piece to move in a reciprocating mode in the direction close to or away from the lifting end of the lifting appliance; according to the utility model, the position of the clamping piece can be quickly adjusted through the cooperation of the clamping arm assembly and the driving mechanism, so that the position and clamping force of the clamping piece can be accurately controlled, and lifting appliances with different specifications can be quickly replaced; therefore, the replacement time is greatly shortened, the operation efficiency is improved, and the reliability and the stability of the tool under severe weather and ocean conditions are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of marine engineering equipment, in particular to a clamping tool for quickly replacing a sling. Background Art

[0002] With the rapid development of marine new energy development, as one of the most large-scale development and commercial development prospects of new energy, offshore wind power, as a form of clean energy, has developed rapidly in recent years, and the scope of development has gradually expanded from shallow offshore to deep sea. As the distance from the shore becomes larger and larger, the cost of deep-sea towing is also getting higher and higher, so it is more common to adopt the method of offshore assembly and delivery. That is, the wind turbine is disassembled into multiple modules such as wind turbine blades, nacelles, towers, etc., and transported to the designated deployment sea area by wind power installation ships for offshore lifting operations. When performing offshore lifting operations, different specifications of hoists are required for components of different shapes and weights such as blades, nacelles, towers, etc., and the hoist structure is complex. The disassembly and assembly of the hoist is relatively difficult, involving highly specialized operating techniques and experience.

[0003] Therefore, every time the lifting equipment needs to be replaced, a lot of manpower is needed, and the replacement usually requires a lot of human resources and has cumbersome disassembly and installation steps. Furthermore, the instability of the offshore environment is one of the important challenges of lifting equipment replacement. Wind, waves, currents and severe weather conditions will limit the operating window, affecting the safety and efficiency of lifting operations. Lifting operations will be affected by sudden weather changes and other unforeseen factors.

[0004] Therefore, it is necessary to further develop a tooling that can quickly replace the sling to solve the problems existing in the above-mentioned prior art. Utility Model Content

[0005] Therefore, in order to solve the problems existing in the above-mentioned prior art, the purpose of the utility model is to provide a clamping tool for quickly replacing slings, which adopts an adjustable movable clamping mechanism and has the advantages of accurately adjusting the clamping force, quickly replacing slings, and reducing the difficulty of operation, thereby effectively solving the problems of time consumption, complexity and safety of sling replacement operations in offshore wind power projects.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A clamping tool for quickly replacing a lifting appliance, comprising a clamping mechanism capable of clamping or loosening the lifting end of the connection between the lifting appliance and the lifting equipment; the clamping mechanism includes a clamping member for clamping and connecting with the lifting end of the lifting appliance, a clamping driving assembly for adjusting the clamping or loosening of the clamping member, and a bracket for mounting the clamping member and the clamping driving assembly; the clamping driving assembly includes a clamping arm assembly and a driving mechanism which are in transmission connection with the clamping member; the clamping arm assembly is arranged at the output end of the driving mechanism and drives the clamping member to reciprocate in a direction close to or away from the lifting end of the lifting appliance under the drive of the driving mechanism.

[0008] As a further description of the above solution, the clamping member includes a first clamping member and a second clamping member symmetrically arranged in the X-axis or Y-axis direction of the bracket; the clamping arm assembly includes a first rotating arm and a second rotating arm rotatably arranged on the bracket; one ends of the first rotating arm and the second rotating arm away from the driving mechanism are respectively in transmission connection with the first clamping member and the second clamping member.

[0009] As a further description of the above solution, the driving mechanism includes a linear driving device arranged in the Z-axis direction of the bracket, a transfer plate is arranged at the output end of the linear driving device, and one ends of the first rotating arm and the second rotating arm close to the linear driving device are respectively in transmission connection with the transfer plate; the linear driving device drives the transfer plate to reciprocate in the Z-axis direction, drives the first rotating arm and the second rotating arm to swing, so as to drive the first clamping member and the second clamping member to reciprocate in the X-axis or Y-axis direction, and clamp or loosen the lifting end of the lifting appliance.

[0010] As a further description of the above solution, the first rotating arm and the second rotating arm are respectively rotatably connected to both ends of the transfer plate through hinge seats.

[0011] As a further description of the above solution, the clamping driving assembly further includes a connecting rod group; the connecting rod group includes a first upper connecting rod and a second upper connecting rod respectively arranged at one ends of the first rotating arm and the second rotating arm close to the linear driving device; one ends of the first upper connecting rod and the second upper connecting rod are respectively rotatably connected to the transfer plate, and the other ends are respectively in transmission connection with one ends of the first rotating arm and the second rotating arm close to the linear driving device.

[0012] As a further description of the above solution, the connecting rod group further includes a first lower connecting rod and a second lower connecting rod respectively arranged at one ends of the first rotating arm and the second rotating arm away from the linear driving device; one ends of the first lower connecting rod and the second lower connecting rod are respectively rotatably connected to one ends of the first rotating arm and the second rotating arm away from the linear driving device.

[0013] As a further illustration of the above solution, the first clamping member and the second clamping member are respectively slidably arranged on the bracket through a first clamping slider and a second clamping slider; a clamping adjustment mechanism for adjusting the clamping force of the first clamping member and the second clamping member is provided on the bracket. The clamping adjustment mechanism includes clamping driving devices respectively arranged on the first clamping slider and the second clamping slider, and the clamping driving devices are respectively used to drive the first clamping member and the second clamping member to reciprocate on the corresponding first clamping slider and second clamping slider.

[0014] As a further illustration of the above solution, the bracket includes a "cross"-shaped mounting bracket arranged along the X-axis and Y-axis directions thereof. Two groups of the first clamping members and the second clamping members are symmetrically distributed on the bottom surface of the mounting bracket; and are respectively driven by two corresponding groups of the first swing arms, second swing arms, first upper connecting rods, second upper connecting rods, first lower connecting rods, and second lower connecting rods; the linear driving device is arranged on the top surface of the mounting bracket, and a guiding column extending along the Z-axis direction of the bracket is provided on the mounting bracket.

[0015] As a further illustration of the above solution, a clamping cavity adapted to be tightly clamped with the lifting end of the spreader is formed by enclosing the inner sides of the first clamping member and the second clamping member.

[0016] As a further illustration of the above solution, the clamping tooling further includes a mounting seat, and adjustment sliding grooves are distributed along the length direction of the mounting seat. Two clamping mechanisms are respectively arranged on the mounting seat and move along the sliding grooves.

[0017] As a further illustration of the above solution, a clamping seat for mounting the clamping mechanism is slidably arranged on the mounting seat. A hollow cavity for accommodating the clamping mechanism is provided in the clamping seat, and the lifting end of the spreader can extend into the hollow cavity to be connected with the clamping mechanism; a limiting block is provided on the clamping seat, and a limiting card slot adapted to the limiting block is provided on the mounting seat along the extending direction of the adjustment sliding groove.

[0018] As a further illustration of the above solution, limiting blocks for preventing the clamping seat from detaching from both ends of the mounting seat are provided at both ends of the mounting seat.

[0019] As a further illustration of the above solution, the linear driving device is a driving oil cylinder; the clamping driving device is a driving motor.

[0020] Compared with the prior art, the beneficial effects of the present utility model are at least in the following aspects:

[0021] 1) The utility model adopts a clamping mechanism and a driving component in combination. Through the cooperation of the clamping arm component and the driving mechanism, the position of the clamping piece can be quickly adjusted, realizing precise control of the position and clamping force of the clamping piece. Further, through the adjustable movable clamping mechanism, the clamping force on spreaders of various shapes and weights can be precisely controlled, so as to quickly replace spreaders of different specifications. At the same time, the structure design is simple, the operation is convenient, the dependence on the technical level of operators is reduced, the replacement time is greatly shortened, the operation efficiency is improved, and the human errors and risks during the operation are also greatly reduced. It ensures the reliability and stability of the tooling under harsh weather and marine conditions;

[0022] 2) The structure of the utility model is reasonably designed. The clamping arm component is driven by a linear driving device, so that the clamping piece reciprocates in the X-axis or Y-axis direction, thereby realizing the clamping or loosening operation of the spreader. The first rotating arm and the second rotating arm form a link group through the upper connecting rod and the lower connecting rod, making the movement of the clamping piece more stable and controllable. A clamping adjustment mechanism is further provided to precisely control the clamping force of the clamping piece, adjust the clamping force, so that the adjustability and precision of the clamping force are high, adapting to different spreader requirements, and ensuring the safety and reliability of the lifting operation;

[0023] 3) In addition, the support structure of the utility model ensures the stability of the overall system. The bottom adopts a "cross"-shaped mounting frame, which is arranged along the X-axis and Y-axis directions. This layout enables the support to effectively support and disperse the forces and torques from the spreader and the driving device, reducing the unstable factors caused by external disturbances during the operation. The linear driving device is arranged on the top surface of the support and extends along the Z-axis direction of the support through a guide post, which not only assists in restricting the movement range of the linear driving device, but also effectively prevents its deviation or vibration during the operation. On the other hand, the linear driving device is connected to the first rotating arm and the second rotating arm through an adapter plate, cooperating with each other to ensure the stable movement of the driving device in the Z-axis direction. The design of the adapter plate ensures the effective transmission and conversion of the driving force, thereby maintaining the stability and precision of the clamping piece during the operation;

[0024] 4) The design of the spreader quick replacement tooling of the utility model is simple and reasonable, with high adjustment precision, and can also be finely adjusted on the basis of completing a large range of clamping force adjustment. The whole has the advantages of being fast, precise, reducing difficulty, and having strong versatility, and is especially suitable for coping with complex marine environments and large-scale lifting operation requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic diagram of the overall structure of the clamping tooling for quickly replacing the spreader in Embodiments 1-2 of the utility model;

[0026] Figure 2 is another perspective schematic diagram of the overall structure of the clamping tooling for quickly replacing the spreader in Embodiments 1-2 of the utility model;

[0027] Figure 3 This is a schematic diagram of the overall structural decomposition of the clamping tooling for the quick-change lifting device in Embodiments 1-2 of the present utility model;

[0028] Figure 4 This is a schematic diagram of the overall structure of the mounting base of the clamping tooling for the quick-change lifting device in Embodiments 1-2 of the present utility model;

[0029] Figure 5 This is a schematic diagram of the overall structure of the clamping seat of the clamping tooling for the quick-change lifting device in Embodiments 1-2 of the present utility model;

[0030] Figure 6 This is a schematic diagram of the clamping movement direction of the clamping mechanism of the clamping tooling for the quick-change lifting device in Embodiments 1-2 of the present utility model;

[0031] Figure 7 This is a schematic diagram of the overall structure of the clamping mechanism of the clamping tooling for the quick-change lifting device in Embodiment 1 of the present utility model;

[0032] Figure 8 This is another perspective schematic diagram of the overall structure of the clamping mechanism of the clamping tooling for the quick-change lifting device in Embodiment 1 of the present utility model;

[0033] Figure 9 This is a schematic diagram of the overall structure of the clamping mechanism of the clamping tooling for the quick-change lifting device in Embodiment 2 of the present utility model;

[0034] Figure 10 This is another perspective schematic diagram of the overall structure of the clamping mechanism of the clamping tooling for the quick-change lifting device in Embodiment 2 of the present utility model;

[0035] Figure 11 This is a schematic diagram of the assembly state and coordinate axes of the clamping mechanism of the clamping tooling for the quick-change lifting device in Embodiments 1-2 of the present utility model and the lifting end of the lifting device.

[0036] In the figure:

[0037] 1. Clamping mechanism; 11. Clamping member; 111. First clamping member; 112. Second clamping member; 12. Clamping drive assembly; 121. Clamping arm assembly; 1211. First rotating arm; 1212. Second rotating arm; 122. Drive mechanism; 1221. Linear drive device; 123. Adapter plate; 124. Link group; 1241. First upper link; 1242. Second upper link; 1243. First lower link; 1244. Second lower link; 1245. Hinge seat; 13. Bracket; 131. Mounting frame; 132. Guide post; 15. First clamping slider; 16. Second clamping slider; 17. Clamping adjustment mechanism; 171. Clamping drive device;

[0038] 2. Mounting base; 21. Adjusting chute; 22. Clamping seat; 221. Hollow cavity; 222. Limit clamping block; 23. Limit clamping groove; 24. Limit block;

[0039] 10. Hoisting end of the lifting device; a. Clamping cavity. Detailed implementation manner

[0040] To facilitate the understanding of the present utility model, the technical solutions and advantages of the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. The specific structure and characteristics of the present utility model will be described by way of example below, and should not be construed as any limitation to the present utility model. At the same time, any one of the technical features mentioned below (including implicit or explicit), and any one of the technical features directly shown or implicit in the drawings, can continue to be arbitrarily combined or deleted between these technical features, so as to form more other embodiments that may not be directly or indirectly mentioned in the present utility model. The preferred embodiments of the present utility model are given in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein.

[0041] In the description of the present utility model, unless otherwise specified, the components used are all conventional components in the prior art.

[0042] Embodiment 1

[0043] As Figure 1-8 shown in FIGS. 10 and 11, Embodiment 1 of the present invention provides a clamping tool for quickly replacing a lifting device, which is applied to the quick replacement operation of special lifting devices such as blades, tower barrels, and nacelles of wind turbines; of course, the clamping tool of the present invention can also be applied to the quick replacement of other lifting devices for offshore hoisting, not limited to the above-listed modules of wind turbines, as long as the hoisting end of the lifting device can be adapted to be installed and connected to the present invention.

[0044] Specifically, the clamping tool includes a clamping mechanism 1 that can clamp or loosen the hoisting end 10 of the connection between the lifting device and the hoisting equipment; the clamping mechanism 1 includes a clamping member 11 that is clamped and connected to the hoisting end 10 of the lifting device, a clamping drive assembly 12 for adjusting the clamping or loosening of the clamping member 11, and a bracket 13 for installing the clamping member 11 and the clamping drive assembly 12; in Embodiment 1, the clamping member 11 can be a movable clamping member with a physical connection or a split-designed movable clamping member, which can be specifically designed according to the structure of the hoisting end of the lifting device.

[0045] The clamping drive assembly 12 includes a clamping arm assembly 121 and a driving mechanism 122 which are transmission-connected to the clamping member 11; the clamping arm assembly 121 is arranged at the output end of the driving mechanism 122, and driven by the driving mechanism 122, drives the clamping member to reciprocate in the direction of approaching or moving away from the lifting end 10 of the sling. In this embodiment 1, the driving mechanism can be a linear driving mechanism or a rotary driving device, and the linear driving mechanism can be a driving mechanism that can realize reciprocating linear motion in the prior art, which can be respectively arranged in the moving direction of the clamping member so that it can drive the opening and closing action of the clamping member; the rotary driving device can include a swing arm or a rotating arm, driving the clamping arm assembly to drive the clamping member to reciprocate.

[0046] In this embodiment, a clamping mechanism and a driving assembly are used in combination. The position of the clamping member can be quickly adjusted through the cooperation of the clamping arm assembly and the driving mechanism, thereby achieving precise control of the position and clamping force of the clamping member. Furthermore, through the adjustable movable clamping mechanism, the clamping force of slings of various shapes and weights can be accurately controlled, thereby quickly replacing slings of different specifications. At the same time, the structural design is simple and easy to operate, which reduces the dependence on the technical level of the operator, greatly shortens the replacement time, improves the working efficiency, and greatly reduces the human errors and risks during the operation. The reliability and stability of the tooling in severe weather and marine conditions are guaranteed.

[0047] In a further optional embodiment, the clamping member includes a first clamping member 111 and a second clamping member 112 symmetrically arranged in the X-axis or Y-axis direction of the bracket 13; the clamping arm assembly 121 includes a first rotating arm 1211 and a second rotating arm 1212 rotatably arranged on the bracket 13; and the first rotating arm 1211 and the second rotating arm 1212 are respectively connected to the first clamping member 111 and the second clamping member 112 at one end away from the driving mechanism 122. Specifically, the first rotating arm and the second rotating arm can be connected to the first clamping member and the second clamping member in a rotatable manner. In this embodiment, the first clamping member and the second clamping member are arranged in the X-axis direction or the Y-axis direction of the bracket. The first clamping member and the second clamping member can be arranged in the X-axis direction, and the two move towards or in the opposite directions to clamp or release the lifting end of the sling; the first clamping member and the second clamping member can also be arranged in the X-axis direction; or two first clamping members or two second clamping members can be respectively arranged in the X-axis direction or the Y-axis direction. As long as it can achieve the beneficial effects of the present invention, it can be implemented.

[0048] In a further optional embodiment, the driving mechanism 122 includes a linear driving device 1221 arranged in the Z-axis direction of the bracket 13, and an adapter plate 123 is provided at the output end of the linear driving device 1221. The first rotating arm 1211 and the second rotating arm 1212 are respectively connected to the adapter plate 123 at one end close to the linear driving device 1221; specifically, the first rotating arm and the second rotating arm are respectively rotatably connected to the two ends of the adapter plate through a hinge seat 1245; and the first rotating arm and the second rotating arm are extended in the Z-axis direction, and the rotation and swinging direction is the X-axis or the Y-axis.

[0049] Therefore, the linear drive device 1221 drives the adapter plate 123 to reciprocate along the Z-axis direction, driving the first rotating arm 1211 and the second rotating arm 1212 to swing with the hinge seat as the fulcrum, thereby driving the first clamping member 111 and the second clamping member 112 to reciprocate along the X-axis or Y-axis direction to clamp or release the lifting end 10 of the sling. In this embodiment, the linear drive device is a driving oil cylinder; its hydraulic telescopic rod is indirectly connected to the first clamping arm and the second clamping arm.

[0050] In a further optional embodiment, the clamping drive assembly also includes a connecting rod group 124; the connecting rod group 124 includes a first upper connecting rod 1241 and a second upper connecting rod 1242, which are respectively arranged on one end of the first rotating arm 1211 and the second rotating arm 1212 close to the linear drive device 1221; one end of the first upper connecting rod 1241 and the second upper connecting rod 1242 are respectively rotatably connected to the adapter plate 123, and the other end is respectively transmission connected to one end of the first rotating arm 1211 and the second rotating arm 1212 close to the linear drive device 1221.

[0051] Furthermore, the connecting rod group also includes a first lower connecting rod 1243 and a second lower connecting rod 1244 which are arranged at one end of the first rotating arm 1211 and the second rotating arm 1212 away from the linear driving device 1221; one end of the first lower connecting rod 1243 and the second lower connecting rod 1244 are respectively rotatably connected to one end of the first rotating arm 1211 and the second rotating arm 1212 away from the linear driving device 1221.

[0052] In this embodiment, the clamping arm assembly is driven by a linear drive device to make the clamping member move back and forth in the X-axis or Y-axis direction, thereby realizing the clamping or releasing operation of the sling; and the first rotating arm and the second rotating arm form a connecting rod group through the upper connecting rod and the lower connecting rod, so that the movement of the clamping member is more stable and controllable; a clamping adjustment mechanism is further provided to accurately control the clamping force of the clamping member and adjust the clamping force, so that the clamping force has high adjustability and accuracy, adapts to different sling requirements, and ensures the safety and reliability of the lifting operation.

[0053] In a further optional embodiment, the first clamping member 111 and the second clamping member 112 are respectively slidably arranged on the bracket 13 through a first clamping slider 15 and a second clamping slider 16; a clamping adjustment mechanism 17 for adjusting the clamping force of the first clamping member 111 and the second clamping member 112 is provided on the bracket 13. The clamping adjustment mechanism 17 includes clamping driving devices 171 respectively arranged on the first clamping slider 15 and the second clamping slider 16, and the clamping driving devices 171 are respectively used to drive the first clamping member 111 and the second clamping member 112 to reciprocate on the corresponding first clamping slider 15 and second clamping slider 16. In this embodiment, the sliding installation of the clamping slider and the bracket can be that the two sides of the clamping slider are designed with inwardly retracted hook-shaped limiting strips, and the bracket is designed with an inverted T-shaped slide rail, or the bracket is designed with a chute, and the slider is T-shaped designed so that it can slide along the chute. No specific limitation is made in this regard.

[0054] In a further optional embodiment, an inner side of the first clamping member 111 and the second clamping member 112 encloses a clamping cavity a that is adaptively clamped to the lifting end 10 of the spreader. In this embodiment, the clamping cavity is generally designed as a cylindrical cavity and is connected to the lifting end of the spreader. Generally, the lifting end of the spreader in the prior art is provided with an outwardly protruding limiting structure, which is convenient to form a stable connection with the first clamping member 111 and the second clamping member 112. It should be noted that the structure of the lifting end of the spreader is not the object improved by the present invention, so it will not be elaborated here, and the clamping cavity can also be changed according to spreaders with different shapes and structures.

[0055] In a further optional embodiment, the clamping tooling further includes a mounting seat 2, and an adjustment chute 21 is arranged on the mounting seat 2 along its length direction. The two clamping mechanisms 1 are respectively arranged on the mounting seat 2 so as to move along the chute. In this embodiment, the mounting seat is used to form a stable connection with the lifting equipment. Therefore, a lifting lug (not shown in the drawings) is also provided at the top of the mounting seat, and its structure is not the object improved by the present invention, so it will not be elaborated here either. As long as it can meet the stable connection with the lifting equipment, it can be implemented.

[0056] In a further optional embodiment, a clamping seat 22 for mounting the clamping mechanism is slidably provided on the mounting seat 2. A hollow cavity 221 for accommodating the clamping mechanism is provided inside the clamping seat 22. The lifting end 10 of the sling can extend into the hollow cavity 221 to be connected with the clamping mechanism. A limiting block 222 is provided on the clamping seat 22, and a limiting slot 23 adapted to the limiting block 222 is provided on the mounting seat 2 along the extending direction of the adjustment chute 21. Limiting blocks 24 for preventing the clamping seat from detaching from both ends of the mounting seat are provided at both ends of the mounting seat. In this embodiment, the clamping seat is generally cylindrical, and the clamping mechanism is located inside its hollow cavity 221. The hollow cavity 221 is also provided with an opening facing the lifting end of the sling for the internal clamping mechanism to form a connection with the lifting end of the sling. This opening can also be generally cylindrical, or designed according to the different shapes of the lifting ends of different slings, as long as it can satisfy the connection with the sling for implementation.

[0057] The design of the quick-change tooling for the sling of the present utility model is simple and reasonable, with high adjustment precision. It can also be finely adjusted on the basis of completing a large-range clamping force adjustment. As a whole, it has the advantages of being fast, accurate, reducing difficulty, and having strong versatility, and is particularly suitable for coping with complex marine environments and large-scale hoisting operation requirements.

[0058] Embodiment 2

[0059] As Figure 1-6 、9-10 and Figure 11 As shown in the coordinate axis direction diagrams of

[0060] In this Embodiment 2, the bracket structure is further improved to ensure the stability of the overall system. The bottom adopts a "cross"-shaped mounting bracket, which is arranged along the X-axis and Y-axis directions. This layout enables the bracket to effectively support and disperse the forces and torques from the spreader and the driving device, reducing the unstable factors caused by external disturbances during operation. The linear driving device is arranged on the top surface of the bracket and extends along the Z-axis direction of the bracket through the guiding columns, which not only assists in restricting the movement range of the linear driving device but also effectively prevents its offset or vibration during operation. On the other hand, the linear driving device is connected to the first swing arm and the second swing arm through the adapter plate, cooperating with each other to ensure the stable movement of the driving device in the Z-axis direction. The design of the adapter plate ensures the effective transmission and conversion of the driving force, thereby maintaining the stability and precision of the clamping member during operation.

[0061] The above-mentioned implementation manners are only the preferred implementation manners of the present utility model and cannot be used to limit the scope of protection of the present utility model. For those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A clamping tooling for quickly replacing a lifting appliance, characterized in that It includes a clamping mechanism that can clamp or release the lifting end of the sling connected to the lifting equipment; the clamping mechanism includes a clamping piece clamped and connected to the lifting end of the sling, a clamping drive assembly for adjusting the clamping piece to clamp or release, and a bracket for installing the clamping piece and the clamping drive assembly; the clamping drive assembly includes a clamping arm assembly and a driving mechanism that are transmission-connected to the clamping piece; the clamping arm assembly is arranged at the output end of the driving mechanism, and under the drive of the driving mechanism, drives the clamping piece to reciprocate in the direction of approaching or moving away from the lifting end of the sling.

2. The clamping tooling for quickly replacing a lifting appliance according to claim 1, characterized in that, The clamping member includes a first clamping member and a second clamping member symmetrically arranged in the X-axis or Y-axis direction of the bracket; the clamping arm assembly includes a first rotating arm and a second rotating arm rotatably arranged on the bracket; the first rotating arm and the second rotating arm are respectively connected to the first clamping member and the second clamping member at one end away from the driving mechanism.

3. The clamping tooling for quickly replacing a lifting appliance according to claim 2, characterized in that, The driving mechanism includes a linear driving device arranged in the Z-axis direction of the bracket, and an adapter plate is provided at the output end of the linear driving device. The first rotating arm and the second rotating arm are respectively connected to the adapter plate at one end close to the linear driving device; the linear driving device drives the adapter plate to reciprocate along the Z-axis direction, driving the first rotating arm and the second rotating arm to swing, thereby driving the first clamping member and the second clamping member to reciprocate in the X-axis or Y-axis direction to clamp or release the lifting end of the sling.

4. The clamping tooling for quickly replacing a spreader according to claim 3, characterized in that, The clamping drive assembly also includes a connecting rod group; the connecting rod group includes a first upper connecting rod and a second upper connecting rod, which are respectively arranged at one end of the first rotating arm and the second rotating arm close to the linear drive device; one end of the first upper connecting rod and the second upper connecting rod are respectively rotatably connected to the adapter plate, and the other end is respectively transmission connected to one end of the first rotating arm and the second rotating arm close to the linear drive device.

5. The clamping tooling for quickly replacing a lifting appliance according to claim 4, characterized in that, The connecting rod group also includes a first lower connecting rod and a second lower connecting rod arranged at one end of the first rotating arm and the second rotating arm away from the linear drive device; one end of the first lower connecting rod and the second lower connecting rod are respectively rotatably connected to one end of the first rotating arm and the second rotating arm away from the linear drive device.

6. The clamping tooling for quick replacement of a lifting appliance according to claim 4, characterized in that, The first clamping member and the second clamping member are slidably arranged on the bracket through the first clamping slider and the second clamping slider respectively; the bracket is provided with a clamping adjustment mechanism for adjusting the clamping force of the first clamping member and the second clamping member, and the clamping adjustment mechanism includes a clamping driving device respectively arranged on the first clamping slider and the second clamping slider, and the clamping driving device is used to drive the first clamping member and the second clamping member to reciprocate on the corresponding first clamping slider and second clamping slider.

7. The clamping tooling for quickly replacing a lifting appliance according to claim 6, characterized in that, The bracket includes a mounting frame arranged along its X-axis and Y-axis directions, and two groups of the first clamping members and the second clamping members are symmetrically distributed on the bottom surface of the mounting frame; and are driven by the corresponding two groups of the first rotating arm, the second rotating arm, the first upper connecting rod, the second upper connecting rod, the first lower connecting rod, and the second lower connecting rod respectively; the linear drive device is arranged on the top surface of the mounting frame, and the mounting frame is provided with a guide column extending along the Z-axis direction of the bracket.

8. The clamping tooling for the quick-change spreader according to claim 7, characterized in that, The inner sides of the first clamping member and the second clamping member surround and form a clamping cavity adapted to and tightly clamped with the lifting end of the sling.

9. The clamping tooling for quickly replacing a spreader according to any one of claims 1-8, characterized in that, The clamping tooling further includes a mounting seat, on which adjustment sliding grooves are distributed along its length direction, and the two clamping mechanisms are respectively arranged on the mounting seat so as to move along the sliding grooves.

10. The clamping tooling for quickly replacing a lifting appliance according to claim 9, wherein A clamping seat for mounting the clamping mechanism is slidably arranged on the mounting seat. A hollow cavity for accommodating the clamping mechanism is arranged in the clamping seat, and the lifting end of the sling can extend into the hollow cavity to be connected with the clamping mechanism; a limiting block is arranged on the clamping seat, and a limiting clamping groove adapted to the limiting block is arranged on the mounting seat along the extending direction of the adjustment sliding groove; limiting blocks for preventing the clamping seat from separating from both ends of the mounting seat are arranged at both ends of the mounting seat.

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