A cutting device and cutting method suitable for various fan blades

Abstract

The present invention discloses a cutting device and a cutting method suitable for a variety of wind turbine blades, belonging to the technical field of wind turbine blade cutting and recycling, comprising a support platform; a gantry truss is fixedly installed on the upper end of the support platform; a segmented cutting mechanism is arranged on the support platform; the segmented cutting mechanism comprises a multi-point support longitudinal movement component, a rope cutting component and a pre-cutting component; a C-frame is fixedly installed on the moving end of the multi-point support longitudinal movement component, and a rope cutting component is arranged on the C-frame; a pre-cutting component is also arranged at the front end of the C-frame; cutting points that match the rope cutting component are cut on the wind turbine blades by the pre-cutting component, so that when the rope cutting component performs a cutting operation on the wind turbine blades, the rope saw of the rope cutting component is firstly inserted into the cutting points formed on the wind turbine blades, and then the wind turbine blades are cut in segments, so as to avoid deviation when the rope saw contacts the wind turbine blades, effectively increase the accuracy of the segmented cutting of the wind turbine blades, and reduce the possibility of damage to the rope saw.

Description

Technical Field

[0001] The present invention relates to the technical field of wind turbine blade cutting and recycling, and in particular to a cutting device adapted for a variety of wind turbine blades and a cutting method thereof. Background Art

[0002] Wind turbine blades are usually made of composite materials such as glass fiber or carbon fiber, which are difficult to recycle and process. Usually, professional cutting equipment is required to cut the wind turbine blades into sections and then gradually cut them into small pieces for subsequent crushing, pyrolysis and other operations.

[0003] Chinese patent application CN118218674A discloses a wind turbine blade cutting device, which realizes segmented cutting of wind turbine blades by setting two servo motors to control the saw blade cutting speed, setting two cylinder interlocking control valves to realize the pulling of saw blades, and setting wedge-shaped pads to support blades. However, the device still has the following problems:

[0004] 1. When the saw blade cuts deep into the wind turbine blade, the friction between the side of the saw blade and the cutting surface of the wind turbine blade will cause the longer and softer saw blade to twist, and it is impossible to ensure that the longer and softer saw blade is always in a straight state for cutting;

[0005] 2. The cross-sectional shape of a wind turbine blade is generally an asymmetric streamlined structure. The two wedge-shaped pads support the wind turbine blade by squeezing it tightly. For wind turbine blades with irregular shapes, the wedge-shaped pads only contact the wind turbine blades at a few points and cannot adapt to different parts of the wind turbine blades for stable support.

[0006] 3. After the cutting is completed, additional lifting tools are needed to lift the cut part to the set position, which is not conducive to the systematization and process of wind turbine blade recycling. When the crank drives the roller to rotate through the roller to move the blade, there is no additional support on the side of the blade, so that the irregularly shaped blade may deflect during the movement and it is difficult to reach the cutting station smoothly.

[0007] Chinese patent CN114406351B discloses a recycling device and method for discarded wind turbine blades, including a longitudinal moving mechanism, a blade clamping device, a rope saw transverse moving mechanism and a rope saw main structure. The device adopts different cutting methods for different parts of the blade tip, blade middle and blade root through different winding structures of the cutting rope of the rope saw. However, the device still has the following problems:

[0008] 1. When the cutting rope first comes into contact with the wind turbine blade, the surface of the wind turbine blade is relatively smooth, so the cutting rope is prone to slipping and deviation, and cannot quickly enter the cutting state. At the same time, it may also cause the cutting point to shift, affecting the cutting accuracy;

[0009] 2. The recovery device only supports and fixes the wind turbine blades through the cooperation of the blade root, blade tip, and blade root clamping device, and drives the wind turbine blades forward through the longitudinal moving mechanism. However, the wind turbine blades are long and have an average weight of about ten tons, which places high requirements on the power and load performance of the clamping device and the longitudinal moving mechanism;

[0010] 3. During the cutting process, the cutting part of the wind turbine blade lacks support on both sides, and the wind turbine blade is easy to shake under the action of the cutting rope, which affects the cutting accuracy and cutting effect. Before and after cutting, the separated part of the wind turbine blade will rotate along the cutting seam, increasing the difficulty of cutting; the cut blade will directly fall on the feeding device, and the falling device will be easily damaged.

[0011] Based on this, the present invention designs a cutting device and a cutting method suitable for a variety of wind turbine blades to solve the above problems. Summary of the invention

[0012] In view of the above-mentioned shortcomings of the prior art, the present invention provides a cutting device and a cutting method suitable for a variety of wind turbine blades.

[0013] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0014] A cutting device adapted for a variety of wind turbine blades includes a support table;

[0015] A gantry truss is fixedly mounted on the upper end of the support platform; a segmented cutting mechanism for cutting the wind turbine blades segment by segment is provided on the support platform;

[0016] The segmented cutting mechanism includes a multi-point support longitudinal movement component, a rope cutting component and a pre-cutting component. The multi-point support longitudinal movement component is installed on the support platform, and the multi-point support longitudinal movement component is connected to the gantry truss. The moving end of the multi-point support longitudinal movement component is fixedly installed with a C-frame. The multi-point support longitudinal movement component supports multiple points of the C-frame and drives the C-frame to servo move along the width direction of the wind turbine blade; the C-frame is provided with a rope cutting component for segmented cutting of the wind turbine blade;

[0017] The front end of the C-frame is also provided with a pre-cutting assembly, which is used to cut a pre-cutting groove on the wind turbine blade to cooperate with the operation of the rope cutting assembly, so that the rope saw of the rope cutting assembly does not slip when in contact with the wind turbine blade;

[0018] The upper end of the support platform is provided with a floating multi-point support mechanism for supporting both sides of the cutting part of the wind turbine blade and conveying the cut and separated parts of the wind turbine blade to the unloading position;

[0019] A set of adjustable clamping mechanisms is provided on the left and right sides of the upper end of the gantry truss, which is used to press the two sides of the cutting part of the wind turbine blade tightly on the floating multi-point support mechanism for fixing;

[0020] The lower end of the support platform is provided with a step-by-step self-positioning transverse movement mechanism for driving the support platform to step along the length direction of the wind turbine blade and keep the support platform stable when cutting the wind turbine blade;

[0021] The right end of the step-by-step self-positioning transverse movement mechanism is provided with a blade root support mechanism for connecting with a flange at the root of a wind turbine blade to support and fix the wind turbine blade.

[0022] Furthermore, the rope cutting assembly includes a cutting rope, a driving motor, a driving wheel, a driven wheel and a tensioning assembly. The driving motor is fixedly mounted on the upper side of the rear end of the C-frame, and the output end of the driving motor is fixedly mounted with the driving wheel; the two driven wheels are rotatably mounted on the upper and lower ends of the front side of the C-frame through bearings; the tensioning assembly is arranged on the lower side of the rear end of the C-frame; the cutting rope loop is arranged on the outer side of the driving wheel, the driven wheel and the tensioning assembly to form an annular cutting structure, and the cutting rope between the two driven wheels constitutes a cutting section for cutting the wind turbine blades.

[0023] Furthermore, the pre-cutting component includes a vertical moving component, a cutting motor and a cutting saw blade. The vertical moving component is installed at the upper end of the front side of the C-shaped frame. The lower end of the moving end of the vertical moving component is fixedly connected to the cutting motor. The output end of the cutting motor is fixedly installed with a cutting saw blade. The motion trajectory of the cutting saw blade and the cutting rope are coplanar.

[0024] Furthermore, the floating multi-point support mechanism includes a first floating support assembly installed on the upper end of the support platform for supporting the part of the wind turbine blade connected to the blade root, a second floating support assembly for supporting the part of the wind turbine blade after being cut and separated, and a discharge support assembly for material discharge and guiding. The first floating support assembly is located on the right side of the gantry truss, and the second floating support assembly and the discharge support assembly are located on the left side of the gantry truss.

[0025] Furthermore, the first floating support assembly is composed of a row of floating support assemblies on the support platform, and a plurality of floating support assemblies are evenly distributed along the width direction of the wind turbine blade at equal intervals; the floating support assembly and the blade root support mechanism cooperate to achieve the supporting effect of the portion connected to the wind turbine blade and the blade root;

[0026] The second floating support assembly is composed of at least two rows of floating support assemblies on the support platform, and the plurality of floating support assemblies are evenly distributed along the width direction of the wind turbine blade at equal intervals; the support effect of the cut and separated portion of the wind turbine blade is achieved by the cooperation of the multiple rows of floating support assemblies;

[0027] The material discharging support assembly is composed of at least two rows of material guiding support assemblies on the support platform; a plurality of material guiding support assemblies are evenly distributed along the width direction of the wind turbine blade at equal intervals and are staggered with the second floating support assembly.

[0028] Furthermore, the floating support assembly includes a first push cylinder, an arc-shaped support plate and a pressure sensor, the lower end of the first push cylinder is fixedly connected to the support platform, and the output end of the first push cylinder is hinged to the arc-shaped support plate; pressure sensors are provided at both ends of the arc-shaped support plate;

[0029] The material guide support assembly comprises a second push cylinder and a support roller. The lower end of the second push cylinder is fixedly connected to the support platform, and the output end of the second push cylinder is provided with a support roller.

[0030] Furthermore, the adjustable clamping mechanism includes a belt clamping assembly for clamping the wind turbine blades onto the floating multi-point support mechanism and a vertical adjustment assembly for controlling the vertical position of the belt clamping assembly, and the front and rear sides of the gantry truss are respectively provided with vertical adjustment assemblies;

[0031] The belt-type clamping assembly includes a reeling and winding motor, a winding roller and a pressure belt. The moving end of the vertical adjustment assembly is fixedly installed with the reeling and winding motor, and the output end of the reeling and winding motor is fixedly installed with a winding roller; the two ends of the pressure belt are respectively fixedly connected to the winding rollers on both sides.

[0032] Furthermore, the step-by-step self-positioning transverse movement mechanism includes a transverse movement component and a self-positioning component, the lower end of the support platform is provided with a transverse movement component for driving the support platform to move along the length direction of the wind turbine blade, and the support platform is provided with a plurality of groups of self-positioning components for keeping the support platform stable when the support platform stops moving;

[0033] The transverse movement assembly comprises a rail sleeper, a transverse movement pulley track assembly, a transverse movement rack, a transverse movement gear and a transverse movement motor. A plurality of rail sleepers are fixedly installed on the ground at equal intervals along the length direction of the wind turbine blades. The rails and the transverse movement rack of the transverse movement pulley track assembly are symmetrically fixedly installed at the front and rear ends of the rail sleeper. The pulley of the transverse movement pulley track assembly is arranged at the lower end of the support platform. The front and rear ends of the support platform are fixedly installed with a transverse movement motor, and the output end of the transverse movement motor is fixedly installed with a transverse movement gear meshing with the transverse movement rack.

[0034] The self-positioning assembly includes a positioning cylinder, a positioning column and a positioning sleeve. The upper end of each sleeper is fixedly installed with a positioning sleeve; the positioning cylinder is fixedly installed on the support platform, and the output end of the positioning cylinder is fixedly installed with a positioning column that cooperates with the positioning sleeve.

[0035] Furthermore, the blade root support mechanism includes a support seat, a flange seat, a pin and a convex seat. The support seat is located at the right end of the transverse pulley track assembly. A flange seat that matches the flange at the root of the wind turbine blade is fixedly installed on the support seat; a convex seat that is plugged into the root of the wind turbine blade is fixedly installed in the middle of the flange seat; and a plurality of pins that are plugged into the flange bolt holes at the root of the wind turbine blade are fixedly installed in a circular array on the outer edge of the flange seat.

[0036] In order to better achieve the purpose of the present invention, the present invention also provides a cutting method of a cutting device adapted to a variety of wind turbine blades, comprising the following steps:

[0037] Step 1: Connect the flange at the root of the wind turbine blade by means of the pin and the boss to support the entire wind turbine blade;

[0038] Step 2: The lateral movement assembly drives the support platform to move from the blade tip to the blade root by the length of a rail sleeper interval, and before the support platform stops moving to cut the wind turbine blade, the positioning cylinder drives the positioning column to move vertically downward and plug into the positioning sleeve to achieve positioning and support of the support platform;

[0039] Step 3: The first push cylinder drives the arc support plate to move vertically upward. When the arc support plate contacts the bottom of the wind turbine blade, it will automatically rotate, and its angle is adjusted to maximize the contact area between the arc support plate and the wind turbine blade. When the sensing values ​​of the pressure sensors at both ends of the arc support plate reach the set value, the piston of the first push cylinder stops moving, so that the first floating support assembly and the second floating support assembly respectively support the parts on both sides of the wind turbine blade to be cut.

[0040] Step 4: The vertical adjustment component drives the reel motor to move downward, and the wind turbine blades are pressed down onto the arc-shaped support plate by the pressure belt. At the same time, the reel motor controls the reel to rotate to tighten the pressure belt, so that the wind turbine blades are pressed tightly onto the arc-shaped support plate by the pressure belt.

[0041] Step 5: The multi-point support longitudinal movement assembly drives the C-shaped frame to move in the direction of the wind turbine blade; when the cutting saw blade is located directly above the pre-cut groove that needs to be cut on the wind turbine blade, the vertical movement assembly drives the cutting saw blade to move downward, and at the same time, the cutting motor drives the cutting saw blade to rotate, so that the cutting saw blade cuts a pre-cut groove on the edge of the wind turbine blade for use with the cutting rope;

[0042] Step 6: The vertical moving assembly drives the cutting saw blade to move above the cutting section, so that the cutting saw blade moves to avoid, and the driving motor drives the driving wheel to rotate and drive the cutting rope. Under the push of the multi-point support longitudinal moving assembly, the cutting section of the cutting rope is pushed along the pre-cutting groove cut by the cutting saw blade to cut the wind turbine blade in sections;

[0043] Step 7: After the wind turbine blade is cut off, the first floating support assembly and the adjustable pressing mechanism release the portion of the wind turbine blade connected to the blade root, while the second floating support assembly and the pressing belt maintain the cut and separated portion of the wind turbine blade;

[0044] Step 8: The transverse movement assembly drives the support platform to move to the far left end, the vertical movement adjustment assembly drives the pressure belt to move upward to reset and release the wind turbine blades, and the second push cylinder drives the support roller to move upward to lift the wind turbine blades. The arc support plate of the second floating support assembly moves downward and retreats, and then the support roller on the left moves downward and lower than the support roller on the right, so that the material tilts toward the discharge end. Finally, the cut-off part of the wind turbine blade automatically slides to the discharge position through the support roller, realizing the automatic fixed-point discharge of the cut-off wind turbine blades.

[0045] Compared with the prior art, the present invention has the following beneficial effects: 1. During the cutting operation, the multi-point support longitudinal movement assembly can stably drive the C-shaped frame to move along the width direction of the wind turbine blade, and the pre-cutting assembly cuts the cutting points on the wind turbine blade to match the rope cutting assembly, so that when the rope cutting assembly cuts the wind turbine blade, the rope saw of the rope cutting assembly is first inserted into the cutting points formed on the wind turbine blade, and then the wind turbine blade is cut in sections, so that the rope saw is prevented from running off the wind turbine blade due to the smooth surface of the wind turbine blade when the wind turbine blade is just in contact with the wind turbine blade, effectively increasing the accuracy of the segmented cutting of the wind turbine blade and reducing the possibility of damage to the rope saw;

[0046] 2. The blade root support mechanism can be conveniently and quickly connected to the blade root flange of the wind turbine blade. The first floating support assembly and the second floating support assembly respectively support the parts on both sides of the part to be cut of the wind turbine blade, and the adjustable pressing mechanism respectively presses the parts on both sides of the part to be cut of the wind turbine blade on the first floating support assembly and the second floating support assembly, so that the wind turbine blade is firmly fixed, avoiding shaking of the wind turbine blade during cutting operation, and further increasing the cutting accuracy;

[0047] 3. The transverse movement assembly can drive the support platform to step along the length direction of the wind turbine blades to achieve accurate segmented cutting of the wind turbine blades. When the support platform stops moving to cut the wind turbine blades, the positioning cylinder drives the positioning column to move vertically downward and plug into the positioning sleeve, which effectively improves the stability of the support platform and avoids the sliding of the support platform during the cutting of the wind turbine blades, which causes the cutting part to shift, further improves the accuracy of the cutting of the wind turbine blades and ensures the smooth progress of the cutting operation of the wind turbine blades.

[0048] 4. After the cutting is completed, the transverse movement component drives the support table to move to the far left end, the vertical movement adjustment component drives the pressure belt to move up and reset to release the wind turbine blades, the second floating support component remains stationary, and the second push cylinder drives the support roller to move up to gradually lift the material, so that the material tilts toward the discharge end, and finally automatically slides to the discharge position through the support roller, realizing the automatic fixed-point discharge of the cut wind turbine blades, which is conducive to the systematic recovery process of wind turbine blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0050] Figure 1 A three-dimensional cutting device adapted for a variety of wind turbine blades according to the present invention Figure 1 ;

[0051] Figure 2 It is a front view of a cutting device adapted to various fan blades according to the present invention;

[0052] Figure 3 It is a left view of a cutting device adapted for a variety of fan blades according to the present invention;

[0053] Figure 4 A three-dimensional cutting device adapted for a variety of wind turbine blades according to the present invention Figure 2 ;

[0054] Figure 5 A three-dimensional cutting device adapted for a variety of wind turbine blades according to the present invention Figure 3 ;

[0055] Figure 6 A three-dimensional cutting device adapted for a variety of wind turbine blades according to the present invention Figure 4 ;

[0056] Figure 7 is a perspective view of the rope cutting assembly of the present invention;

[0057] Figure 8 for Figure 7 The enlarged view of point B in the middle;

[0058] Fig. 9 is a perspective view of a pre-cutting assembly of the present invention;

[0059] Fig.10 for Figure 5 The enlarged view of point A in the middle;

[0060] Fig.11 A three-dimensional diagram of the adjustable pressing mechanism of the present invention;

[0061] Fig.12 It is a three-dimensional diagram of the blade root support mechanism of the present invention.

[0062] The numbers in the figure represent:

[0063] 10. Support platform; 11. Gantry truss; 12. C-frame; 7. Wind turbine blades; 2. Step-by-step self-positioning transverse movement mechanism; 21. Transverse movement assembly; 211. Rail sleeper; 212. Transverse movement pulley track assembly; 213. Transverse movement rack; 214. Transverse movement gear; 215. Transverse movement motor; 22. Self-positioning assembly; 221. Positioning cylinder; 222. Positioning column; 223. Positioning sleeve; 3. Segmented cutting mechanism; 31. Multi-point support longitudinal movement assembly; 3 11. Longitudinal guide rail assembly; 312. Longitudinal rack; 313. Longitudinal gear; 314. Longitudinal motor; 315. Longitudinal plate; 32. Rope cutting assembly; 321. Cutting rope; 322. Driving motor; 323. Driving wheel; 324. Driven wheel; 325. Tensioning assembly; 3251. Fixed plate; 3252. Slide plate; 3253. Tensioning guide rail assembly; 3254. Tensioning screw; 3255. Tensioning motor; 3256. Tensioning wheel; 33, pre-cutting assembly; 331, column frame; 332, first vertical guide rail assembly; 333, first vertical rack; 334, first vertical gear; 335, first vertical motor; 336, cutting motor; 337, cutting saw blade; 4, floating multi-point support mechanism; 41, floating support assembly; 411, first push cylinder; 412, arc support plate; 413, pressure sensor; 42, material guide support assembly; 421, second push cylinder; 4 22. Support roller; 5. Adjustable clamping mechanism; 51. Belt clamping assembly; 511. Winding and unwinding motor; 512. Winding roller; 513. Pressing belt; 52. Vertical adjustment assembly; 521. Second vertical guide rail assembly; 522. Second vertical rack; 523. Second vertical gear; 524. Second vertical motor; 525. Support plate; 6. Blade root support mechanism; 61. Support seat; 62. Flange seat; 63. Latch; 64. Boss seat. DETAILED DESCRIPTION

[0064] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0065] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0066] Embodiment 1: In some embodiments, please refer to Figure 1-Figure 3 , a cutting device adapted for a variety of wind turbine blades, comprising a support table 10;

[0067] A gantry truss 11 is fixedly mounted on the upper end of the support platform 10; a segmented cutting mechanism 3 for cutting the wind turbine blades 7 segment by segment is provided on the support platform 10;

[0068] The segmented cutting mechanism 3 includes a multi-point support longitudinal movement component 31, a rope cutting component 32 and a pre-cutting component 33. The multi-point support longitudinal movement component 31 is installed on the support platform 10, and the multi-point support longitudinal movement component 31 is connected to the gantry truss 11. The moving end of the multi-point support longitudinal movement component 31 is fixedly installed with a C-frame 12. The multi-point support longitudinal movement component 31 supports multiple points of the C-frame 12 and drives the C-frame 12 to servo-move along the width direction of the wind turbine blade 7; the C-frame 12 is provided with a rope cutting component 32 for segmented cutting of the wind turbine blade 7;

[0069] The front end of the C-shaped frame 12 is also provided with a pre-cutting assembly 33, which is used to cut a pre-cutting groove on the wind turbine blade 7 to cooperate with the operation of the rope cutting assembly 32, so that the rope saw of the rope cutting assembly 32 does not slip when contacting the wind turbine blade 7, ensuring that the rope cutting assembly 32 can achieve accurate cutting of the wind turbine blade 7;

[0070] The upper end of the support platform 10 is provided with a floating multi-point support mechanism 4 for supporting both sides of the cutting part of the wind turbine blade 7 and conveying the cut and separated parts of the wind turbine blade 7 to the unloading position;

[0071] A set of adjustable clamping mechanisms 5 are respectively provided on the left and right sides of the upper end of the gantry truss 11, which are used to press the two sides of the cutting part of the wind turbine blade 7 tightly on the floating multi-point support mechanism 4 to increase the accuracy of the rope cutting assembly 32 in cutting the wind turbine blade 7;

[0072] The lower end of the support platform 10 is provided with a step-by-step self-positioning transverse movement mechanism 2 for driving the support platform 10 to step along the length direction of the wind turbine blade 7 and keep the support platform 10 stable when cutting the wind turbine blade 7;

[0073] The right end of the step-by-step self-positioning transverse movement mechanism 2 is provided with a blade root support mechanism 6 for connecting with a flange at the blade root of the wind turbine blade 7 to support and fix the wind turbine blade 7 .

[0074] In the present invention, the support and fixing effect of the wind turbine blade 7 can be achieved by connecting the blade root support mechanism 6 with the flange of the blade root of the wind turbine blade 7; the support platform 10 is located at the tip of the wind turbine blade 7, and after the support platform 10 is driven by the step-by-step self-positioning transverse movement mechanism 2 to step and shift a set distance along the length direction of the wind turbine blade 7, the left and right sides of the part to be cut of the wind turbine blade 7 are first supported by the floating multi-point support mechanism 4, and then the left and right sides of the part to be cut of the wind turbine blade 7 are pressed down by the adjustable clamping mechanism 5, so as to realize the lower top and upper pressure structure of the wind turbine blade 7, thereby stably fastening the wind turbine blade 7, and avoiding the position of the wind turbine blade 7 from being offset during the cutting process of the wind turbine blade 7, thereby reducing the cutting accuracy;

[0075] The multi-point support longitudinal movement component 31 drives the C-shaped frame 12 to move along the width direction of the wind turbine blade 7, and the pre-cutting component 33 cuts the cutting points on the wind turbine blade 7 to match the cutting components 32. When the cutting components 32 cut the wind turbine blade 7, the rope saw of the rope cutting component 32 is first inserted into the cutting points formed on the wind turbine blade 7, and then the wind turbine blade 7 is cut in sections, so as to avoid the deviation of the rope saw from the wind turbine blade 7 due to the smooth surface of the wind turbine blade 7 when the rope saw just contacts the wind turbine blade 7, thereby further increasing the accuracy of the cutting of the wind turbine blade 7 in sections.

[0076] After the segmented cutting of the wind turbine blade 7 is completed, the floating multi-point support mechanism 4 and the adjustable clamping mechanism 5 no longer support and press the part of the wind turbine blade 7 connected to the blade root, and the cut wind turbine blade 7 remains fixed by the floating multi-point support mechanism 4 and the adjustable clamping mechanism 5; the step-by-step self-positioning transverse movement mechanism 2 drives the support platform 10 to move left, and the left end of the step-by-step self-positioning transverse movement mechanism 2 can be connected to material conveying equipment, such as a belt conveyor, a forklift or a transfer vehicle, so that the cut wind turbine blade 7 is released through the floating multi-point support mechanism 4 and the adjustable clamping mechanism 5 and placed on the material conveying equipment, thereby realizing the fixed-point discharging operation of the material, facilitating the subsequent crushing and other processes of the wind turbine blade 7, so as to carry out systematic and process-based recycling operations of the wind turbine blade 7.

[0077] In some embodiments, see Figure 4 and Figure 6The multi-point support longitudinal movement component 31 includes a longitudinal movement guide rail component 311, a longitudinal movement rack 312, a longitudinal movement gear 313, a longitudinal movement motor 314 and a longitudinal movement plate 315. The longitudinal movement guide rail component 311 is provided with two groups. The guide rails of the longitudinal movement guide rail component 311 are respectively fixedly connected to the upper end of the support platform 10 and the top of the gantry truss 11, and the top and bottom of the C-shaped frame 12 are respectively fixedly installed with longitudinal movement plates 315, and the longitudinal movement plates 315 are fixedly connected to the sliders of the longitudinal movement guide rail component 311; the longitudinal movement rack 312 is fixedly installed at the upper end of the support platform 10; the longitudinal movement motor 314 is fixedly connected to the longitudinal movement plate 315, and the output end of the longitudinal movement motor 314 is fixedly installed with a longitudinal movement gear 313 meshing with the longitudinal movement rack 312;

[0078] In some embodiments, see Figure 7 and Figure 8 The rope cutting assembly 32 includes a cutting rope 321, a driving motor 322, a driving wheel 323, a driven wheel 324 and a tensioning assembly 325. The driving motor 322 is fixedly mounted on the upper side of the rear end of the C-shaped frame 12, and the output end of the driving motor 322 is fixedly mounted with a driving wheel 323; two driven wheels 324 are rotatably mounted on the upper and lower ends of the front side of the C-shaped frame 12 through bearings; the tensioning assembly 325 is arranged on the lower side of the rear end of the C-shaped frame 12; the cutting rope 321 is sleeved on the outer side of the driving wheel 323, the driven wheel 324 and the tensioning assembly 325 to form an annular cutting structure, and the cutting rope 321 between the two driven wheels 324 constitutes a cutting section for cutting the wind turbine blades 7;

[0079] The tensioning assembly 325 includes a fixed plate 3251, a slide plate 3252, a tensioning guide rail assembly 3253, a tensioning screw 3254, a tensioning motor 3255 and a tensioning wheel 3256. The fixed plate 3251 is fixedly installed at the rear end of the C-shaped frame 12, the guide rail of the tensioning guide rail assembly 3253 is fixedly connected to the fixed plate 3251, and the slider of the tensioning guide rail assembly 3253 is fixedly connected to the slide plate 3252; the tensioning motor 3255 is fixedly connected to the fixed plate 3251, the output end of the tensioning motor 3255 is fixedly connected to one end of the tensioning screw 3254, and the other end of the tensioning screw 3254 is rotatably connected to the fixed plate 3251 through a bearing; the slide plate 3252 is threadedly connected to the tensioning screw 3254 through a threaded sleeve; the slide plate 3252 is rotatably installed with a tensioning wheel 3256 connected to the cutting rope 321 through a bearing;

[0080] In some embodiments, see Figure 3 , Figure 5 and Figure 7The pre-cutting assembly 33 includes a vertical moving assembly, a cutting motor 336 and a cutting saw blade 337. The vertical moving assembly is installed at the upper end of the front side of the C-shaped frame 12. The lower end of the moving end of the vertical moving assembly is fixedly connected to the cutting motor 336. The output end of the cutting motor 336 is fixedly installed with a cutting saw blade 337. The cutting saw blade 337 is coplanar with the motion trajectory of the cutting rope 321.

[0081] The vertical moving assembly includes a column frame 331, a first vertical moving guide rail assembly 332, a first vertical moving rack 333, a first vertical moving gear 334 and a first vertical moving motor 335. The guide rail of the first vertical moving guide rail assembly 332 is fixedly connected to the side wall of the column frame 331, and the slider of the first vertical moving guide rail assembly 332 is fixedly connected to the C-shaped frame 12; the first vertical moving rack 333 is fixedly connected to the side wall of the column frame 331, the first vertical moving motor 335 is fixedly connected to the C-shaped frame 12, and the output end of the first vertical moving motor 335 is fixedly installed with the first vertical moving gear 334 meshing with the first vertical moving rack 333; the lower end of the column frame 331 is fixedly connected to the cutting motor 336;

[0082] In the present invention, the longitudinal shift gear 313 is driven to rotate by the longitudinal shift motor 314, so that the C-shaped frame 12 is servo-moved toward the wind turbine blade 7 through the cooperation of the longitudinal shift rack 312 and the longitudinal shift gear 313 and the limiting action of the longitudinal shift guide rail assembly 311, until the cutting saw blade 337 is aligned with the edge of the wind turbine blade 7, and then the first vertical shift motor 335 drives the first vertical shift gear 334 to rotate, so that the column frame 331 is moved through the cooperation of the first vertical shift rack 333 and the first vertical shift gear 334 and the limiting action of the first vertical shift guide rail assembly 332, and at the same time, the cutting motor 336 drives the cutting saw blade 337 to rotate, so that the cutting saw blade 337 cuts a pre-cutting groove on the edge of the wind turbine blade 7 for use with the cutting rope 321;

[0083] The vertical moving component drives the cutting saw blade 337 to move above the cutting section, so that the cutting saw blade 337 moves to avoid it, and the driving motor 322 drives the active wheel 323 to rotate and drive the cutting rope 321, so that the cutting section of the cutting rope 321 contacts the wind turbine blade 7 along the pre-cut groove cut by the cutting saw blade 337, and the wind turbine blade 7 is cut in sections under the push of the multi-point support longitudinal moving component 31.

[0084] In some embodiments, see Figure 5 and Fig.10The floating multi-point support mechanism 4 includes a first floating support assembly installed at the upper end of the support platform 10 for supporting the portion of the wind turbine blade 7 connected to the blade root, a second floating support assembly for supporting the portion of the wind turbine blade 7 after being cut and separated, and a discharge support assembly for material feeding and guiding. The first floating support assembly is located on the right side of the gantry truss 11, and the second floating support assembly and the discharge support assembly are located on the left side of the gantry truss 11;

[0085] The first floating support assembly is composed of a row of floating support assemblies 41 on the support platform 10, and a plurality of floating support assemblies 41 are evenly distributed along the width direction of the wind turbine blade 7 at equal intervals; the floating support assembly 41 and the blade root support mechanism 6 cooperate to achieve the supporting effect of the portion of the wind turbine blade 7 connected to the blade root;

[0086] The second floating support assembly is composed of at least two rows of floating support assemblies 41 on the support platform 10, and the plurality of floating support assemblies 41 are evenly distributed along the width direction of the wind turbine blade 7 at equal intervals; the support effect of the cut and separated portion of the wind turbine blade 7 is achieved by the cooperation of the plurality of rows of floating support assemblies 41;

[0087] The material discharging support assembly is composed of at least two rows of material guiding support assemblies 42 on the support platform 10; a plurality of material guiding support assemblies 42 are evenly distributed along the width direction of the wind turbine blade 7 at equal intervals, and are staggered with the second floating support assembly;

[0088] The floating support assembly 41 includes a first push cylinder 411, an arc-shaped support plate 412 and a pressure sensor 413. The lower end of the first push cylinder 411 is fixedly connected to the support platform 10, and the output end of the first push cylinder 411 is hinged to the arc-shaped support plate 412. The arc-shaped support plate 412 is restricted by the rotation of the hinge seat so that the rotation range of the arc-shaped support plate 412 is 45 degrees to 135 degrees; the upper end of the arc-shaped support plate 412 is provided with an anti-skid rubber layer for increasing friction; both ends of the arc-shaped support plate 412 are provided with pressure sensors 413;

[0089] The material guide support assembly 42 includes a second push cylinder 421 and a support roller 422. The lower end of the second push cylinder 421 is fixedly connected to the support platform 10, and the output end of the second push cylinder 421 is provided with a support roller 422.

[0090] In the present invention, the first push cylinder 411 drives the arc support plate 412 to move vertically upward. When the arc support plate 412 contacts the bottom of the wind turbine blade 7, it will automatically rotate, and its angle is adjusted to maximize the contact area between the arc support plate 412 and the wind turbine blade 7. When the sensing value of the pressure sensor 413 at both ends of the arc support plate 412 reaches the set value, the piston of the first push cylinder 411 stops moving. At this time, the arc support plates 412 are balanced in force, thereby achieving a stable support effect for the wind turbine blade 7.

[0091] After the cutting of the wind turbine blade 7 is completed, the first floating support assembly and the adjustable clamping mechanism 5 release the part of the wind turbine blade 7 connected to the blade root, while the second floating support assembly and the adjustable clamping mechanism 5 maintain the cut and separated part of the wind turbine blade 7, and the step-type self-positioning transverse movement mechanism 2 drives the support platform 10 to move left so that the cut material is close to the discharge end. When the support platform 10 reaches the set position, the adjustable clamping mechanism 5 moves up and resets to release the wind turbine blade 7, and then the second push cylinder 421 drives the support roller 422 to move up to gradually lift the material, and the height of the second push cylinder 421 along the direction from the blade root to the blade tip is gradually reduced, so that the material tilts toward the discharge end, and finally automatically slides to the discharge position through the support roller 422, thereby realizing the automatic fixed-point discharge effect of the cut wind turbine blade 7, which effectively facilitates the recovery operation of the wind turbine blade 7.

[0092] In some embodiments, see Figure 5 and Fig.11 The adjustable clamping mechanism 5 includes a belt clamping assembly 51 for pressing the wind turbine blade 7 against the floating multi-point support mechanism 4 and a vertical adjustment assembly 52 for controlling the vertical position of the belt clamping assembly 51. The front and rear sides of the gantry truss 11 are respectively provided with vertical adjustment assemblies 52, and the movable end of the vertical adjustment assembly 52 is installed with a belt clamping assembly 51;

[0093] The vertical adjustment assembly 52 includes a second vertical guide rail assembly 521, a second vertical rack 522, a second vertical gear 523, a second vertical motor 524 and a support plate 525. The guide rails of the second vertical guide rail assembly 521 and the second vertical rack 522 are fixedly connected to the column of the gantry truss 11, and the slider of the second vertical guide rail assembly 521 is fixedly connected to the support plate 525; the second vertical motor 524 is fixedly connected to the support plate 525, and the output end of the second vertical motor 524 is fixedly installed with a second vertical gear 523 meshing with the second vertical rack 522;

[0094] The belt-type pressing assembly 51 includes a reeling and reeling motor 511, a reeling roller 512 and a pressing belt 513. The reeling and reeling motor 511 is fixedly mounted on the support plate 525, and the reeling roller 512 is fixedly mounted on the output end of the reeling and reeling motor 511; the two ends of the pressing belt 513 are fixedly connected to the reeling rollers 512 on both sides respectively;

[0095] In the present invention, the second vertical movement motor 524 drives the second vertical movement gear 523 to rotate, so that the support plate 525 cooperates with the second vertical movement rack 522 and the second vertical movement gear 523 and moves vertically downward under the limiting action of the second vertical movement guide rail assembly 521, thereby pressing the wind turbine blade 7 down on the arc-shaped support plate 412 through the pressure belt 513, and at the same time, the pressure belt 513 is tightened by controlling the winding roller 512 to rotate through the reel motor 511, ensuring that the wind turbine blade 7 is tightly pressed on the arc-shaped support plate 412 by the pressure belt 513 to achieve a firm fixing effect on the wind turbine blade 7, effectively improving the stability of the wind turbine blade 7 when cutting the wind turbine blade 7, and increasing the cutting accuracy of the wind turbine blade 7.

[0096] In some embodiments, see Figure 5 and Figure 6 The step-by-step self-positioning transverse movement mechanism 2 includes a transverse movement component 21 and a self-positioning component 22. The lower end of the support platform 10 is provided with a transverse movement component 21 for driving the support platform 10 to move along the length direction of the wind turbine blade 7. The support platform 10 is provided with a plurality of groups of self-positioning components 22 for keeping the support platform 10 stable when the support platform 10 stops moving.

[0097] The transverse movement assembly 21 includes a rail sleeper 211, a transverse movement pulley track assembly 212, a transverse movement rack 213, a transverse movement gear 214 and a transverse movement motor 215. A plurality of rail sleepers 211 are fixedly installed on the ground at equal intervals along the length direction of the wind turbine blade 7. The rails of the transverse movement pulley track assembly 212 and the transverse movement rack 213 are symmetrically fixedly installed at the front and rear ends of the rail sleeper 211. The pulley of the transverse movement pulley track assembly 212 is arranged at the lower end of the support platform 10. The transverse movement motor 215 is fixedly installed at both the front and rear ends of the support platform 10. The output end of the transverse movement motor 215 is fixedly installed with a transverse movement gear 214 meshing with the transverse movement rack 213.

[0098] The self-positioning assembly 22 includes a positioning cylinder 221, a positioning column 222 and a positioning sleeve 223. The upper end of each sleeper 211 is fixedly installed with a positioning sleeve 223; the positioning cylinder 221 is fixedly installed on the support platform 10, and the output end of the positioning cylinder 221 is fixedly installed with a positioning column 222 that cooperates with the positioning sleeve 223;

[0099] In the present invention, the transverse motor 215 drives the transverse gear 214 to rotate, so that the support platform 10 cooperates with the transverse rack 213 and the transverse gear 214 and is servo-moved along the length direction of the wind turbine blade 7 under the limiting action of the transverse pulley track assembly 212. When the wind turbine blade 7 is cut in sections, the support platform 10 steps and moves by the length of a rail sleeper 211 interval each time, ensuring the accuracy of controlling the cutting length of the wind turbine blade 7; when the support platform 10 stops moving to cut the wind turbine blade 7, the positioning cylinder 221 drives the positioning column 222 to move vertically downward and plug into the positioning sleeve 223, avoiding the sliding of the support platform 10 when cutting the wind turbine blade 7, resulting in the displacement of the cutting part, further improving the accuracy of cutting the wind turbine blade 7 and ensuring the smooth progress of the cutting operation of the wind turbine blade 7.

[0100] In some embodiments, see Figure 1 , Figure 2 and Fig.12 The blade root support mechanism 6 includes a support seat 61, a flange seat 62, a latch 63 and a convex seat 64. The support seat 61 is located at the right end of the transverse pulley track assembly 212. A flange seat 62 that matches the flange at the root of the wind turbine blade 7 is fixedly installed on the support seat 61; a convex seat 64 that is plugged into the root of the wind turbine blade 7 is fixedly installed in the middle of the flange seat 62; a plurality of latches 63 that are plugged into the flange bolt holes at the root of the wind turbine blade 7 are fixedly installed on the outer edge of the flange seat 62 in a circumferential array; the latch 63 and the convex seat 64 are connected to the flange at the root of the wind turbine blade 7 to achieve a supporting effect on the entire blade. The operation is simple and the installation is convenient, which effectively improves the feeding efficiency of the wind turbine blade 7, and the fixing and supporting functions of the wind turbine blade 7 are easily realized under the auxiliary support of the floating multi-point support mechanism 4.

[0101] Embodiment 2: In some embodiments, Figure 1-Figure 12 As shown, as a preferred embodiment of the present invention, a cutting method for a cutting device adapted to a variety of wind turbine blades is also provided, comprising the following steps:

[0102] Step 1: Connect the bolt 63 and the boss 64 to the flange at the blade root of the wind turbine blade 7 to support the entire wind turbine blade 7;

[0103] Step 2: The lateral movement assembly 21 drives the support platform 10 to move from the blade tip to the blade root by the length of the rail sleeper 211, and before the support platform 10 stops moving to cut the wind turbine blade 7, the positioning cylinder 221 drives the positioning column 222 to move vertically downward and plug into the positioning sleeve 223 to achieve positioning and support of the support platform 10;

[0104] Step 3: The first push cylinder 411 drives the arc support plate 412 to move vertically upward. When the arc support plate 412 contacts the bottom of the wind turbine blade 7, it will automatically rotate, and its angle is adjusted to maximize the contact area between the arc support plate 412 and the wind turbine blade 7. When the sensing value of the pressure sensor 413 at both ends of the arc support plate 412 reaches the set value, the piston of the first push cylinder 411 stops moving, so that the first floating support assembly and the second floating support assembly respectively support the parts on both sides of the part to be cut of the wind turbine blade 7.

[0105] Step 4: The vertical adjustment component 52 drives the reeling motor 511 to move downward, and the wind turbine blade 7 is pressed downward onto the arc-shaped support plate 412 through the pressing belt 513. At the same time, the reeling motor 511 controls the reel 512 to rotate to tighten the pressing belt 513, so that the wind turbine blade 7 is pressed tightly onto the arc-shaped support plate 412 by the pressing belt 513;

[0106] Step 5: The multi-point support longitudinal movement assembly 31 drives the C-shaped frame 12 to move in the direction of the wind turbine blade 7; when the cutting saw blade 337 is located directly above the pre-cut groove that needs to be cut on the wind turbine blade 7, the vertical movement assembly drives the cutting saw blade 337 to move downward, and at the same time, the cutting motor 336 drives the cutting saw blade 337 to rotate, so that the cutting saw blade 337 cuts a pre-cut groove on the edge of the wind turbine blade 7 that is used to cooperate with the cutting rope 321;

[0107] Step 6: The vertical moving assembly drives the cutting saw blade 337 to move above the cutting section, so that the cutting saw blade 337 moves to avoid, and the driving motor 322 drives the driving wheel 323 to rotate and drive the cutting rope 321. Under the push of the multi-point support longitudinal moving assembly 31, the cutting section of the cutting rope 321 is pushed along the pre-cutting groove cut by the cutting saw blade 337 to cut the wind turbine blade 7 in sections;

[0108] Step 7: After the wind turbine blade 7 is cut off, the first floating support assembly and the adjustable pressing mechanism 5 release the portion of the wind turbine blade 7 connected to the blade root, while the second floating support assembly and the pressing belt 513 maintain the cut and separated portion of the wind turbine blade 7;

[0109] Step 8: The transverse movement component 21 drives the support platform 10 to move to the leftmost end, and the vertical movement adjustment component 52 drives the pressure belt 513 to move up to reset and release the wind turbine blade 7. After the second push cylinder 421 drives the support roller 422 to move up to lift the wind turbine blade 7, the arc support plate 412 of the second floating support component moves down and retreats to prevent the wind turbine blade 7 from contacting the arc support plate 412 during subsequent movement, thereby damaging the arc support plate 412 and the pressure sensor 413; then the support roller 422 on the left moves down and is lower than the support roller 422 on the right, so that the material tilts toward the discharge end, and finally the cut-off part of the wind turbine blade 7 automatically slides to the discharge position through the support roller 422, thereby realizing the automatic fixed-point discharge of the cut-off wind turbine blade 7.

[0110] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cutting device adapted for a variety of wind turbine blades, comprising a support table (10), characterized in that: A gantry truss (11) is fixedly mounted on the upper end of the support platform (10); a segmented cutting mechanism (3) for cutting the wind turbine blades (7) segment by segment is provided on the support platform (10); The segmented cutting mechanism (3) comprises a multi-point support longitudinal movement component (31), a rope cutting component (32) and a pre-cutting component (33); the multi-point support longitudinal movement component (31) is installed on the support platform (10), and the multi-point support longitudinal movement component (31) is connected to the gantry truss (11); a C-shaped frame (12) is fixedly installed on the moving end of the multi-point support longitudinal movement component (31); the multi-point support longitudinal movement component (31) supports multiple points of the C-shaped frame (12) and drives the C-shaped frame (12) to servo-move along the width direction of the wind turbine blade (7); the C-shaped frame (12) is provided with a rope cutting component (32) for performing segmented cutting operations on the wind turbine blade (7); A pre-cutting assembly (33) is also provided at the front end of the C-shaped frame (12), and the pre-cutting assembly (33) is used to cut a pre-cutting groove on the wind turbine blade (7) to cooperate with the operation of the rope cutting assembly (32), so that the rope saw of the rope cutting assembly (32) does not slip when in contact with the wind turbine blade (7); The upper end of the support platform (10) is provided with a floating multi-point support mechanism (4) for supporting both sides of the cut portion of the wind turbine fan blade (7) and conveying the cut and separated portion of the wind turbine fan blade (7) to the unloading position; A set of adjustable pressing mechanisms (5) are respectively provided on the left and right sides of the upper end of the gantry truss (11) for pressing the two sides of the cut portion of the wind turbine blade (7) against the floating multi-point support mechanism (4) for fixing; The lower end of the support platform (10) is provided with a step-by-step self-positioning transverse movement mechanism (2) for driving the support platform (10) to stepwise shift along the length direction of the wind turbine blade (7) and to keep the support platform (10) stable when cutting the wind turbine blade (7); The right end of the step-type self-positioning transverse movement mechanism (2) is provided with a blade root support mechanism (6) for connecting with a flange at the blade root of a wind turbine blade (7) to support and fix the wind turbine blade (7); The rope cutting assembly (32) comprises a cutting rope (321), a driving motor (322), a driving wheel (323), a driven wheel (324) and a tensioning assembly (325); the driving motor (322) is fixedly mounted on the upper side of the rear end of the C-shaped frame (12); the driving wheel (323) is fixedly mounted on the output end of the driving motor (322); the two driven wheels (324) are rotatably mounted on the upper and lower ends of the front side of the C-shaped frame (12) via bearings; the tensioning assembly (325) is arranged on the lower side of the rear end of the C-shaped frame (12); the cutting rope (321) is sleeved on the outer sides of the driving wheel (323), the driven wheel (324) and the tensioning assembly (325) to form an annular cutting structure; the cutting rope (321) between the two driven wheels (324) forms a cutting section for cutting wind turbine blades (7); The pre-cutting assembly (33) comprises a vertical moving assembly, a cutting motor (336) and a cutting saw blade (337); the vertical moving assembly is mounted on the upper end of the front side of the C-shaped frame (12); the lower end of the moving end of the vertical moving assembly is fixedly connected to the cutting motor (336); the cutting saw blade (337) is fixedly mounted on the output end of the cutting motor (336); and the movement tracks of the cutting saw blade (337) and the cutting rope (321) are coplanar.

2. The cutting device adapted to various wind turbine blades according to claim 1, characterized in that: The floating multi-point support mechanism (4) comprises a first floating support assembly mounted on the upper end of the support platform (10) for supporting the portion of the wind turbine blade (7) connected to the blade root, a second floating support assembly for supporting the portion of the wind turbine blade (7) after being cut and separated, and a discharge support assembly for material discharge and guiding, wherein the first floating support assembly is located on the right side of the gantry truss (11), and the second floating support assembly and the discharge support assembly are located on the left side of the gantry truss (11).

3. The cutting device adapted to various wind turbine blades according to claim 2, characterized in that: The first floating support assembly is composed of a row of floating support assemblies (41) on a support platform (10), wherein a plurality of floating support assemblies (41) are evenly distributed at equal intervals along the width direction of the wind turbine blade (7); the floating support assembly (41) and the blade root support mechanism (6) cooperate to achieve a supporting effect on the portion of the wind turbine blade (7) connected to the blade root; The second floating support assembly is composed of at least two rows of floating support assemblies (41) on the support platform (10), and the plurality of floating support assemblies (41) are evenly distributed at equal intervals along the width direction of the wind turbine blade (7); the plurality of rows of floating support assemblies (41) cooperate to achieve a supporting effect on the cut and separated portion of the wind turbine blade (7); The material discharging support assembly is composed of at least two rows of material guiding support assemblies (42) on the support platform (10); a plurality of material guiding support assemblies (42) are evenly distributed at equal intervals along the width direction of the wind turbine blade (7), and are staggered with the second floating support assembly.

4. The cutting device adapted to various wind turbine blades according to claim 3, characterized in that: The floating support assembly (41) comprises a first push cylinder (411), an arc-shaped support plate (412) and a pressure sensor (413); the lower end of the first push cylinder (411) is fixedly connected to the support platform (10), and the output end of the first push cylinder (411) is hinged to the arc-shaped support plate (412); and pressure sensors (413) are provided at both ends of the arc-shaped support plate (412); The material guide support assembly (42) comprises a second push cylinder (421) and a support roller (422); the lower end of the second push cylinder (421) is fixedly connected to the support platform (10); and the output end of the second push cylinder (421) is provided with a support roller (422).

5. The cutting device adapted to various wind turbine blades according to claim 4, characterized in that: The adjustable pressing mechanism (5) comprises a belt pressing assembly (51) for pressing the wind turbine blades (7) against the floating multi-point support mechanism (4) and a vertical adjustment assembly (52) for controlling the vertical position of the belt pressing assembly (51), and the vertical adjustment assemblies (52) are respectively provided on the front and rear sides of the gantry truss (11); The belt-type pressing assembly (51) comprises a reeling and unreeling motor (511), a reeling roller (512) and a pressing belt (513); the moving end of the vertical adjustment assembly (52) is fixedly mounted with the reeling and unreeling motor (511); the output end of the reeling and unreeling motor (511) is fixedly mounted with the reeling roller (512); and the two ends of the pressing belt (513) are respectively fixedly connected to the reeling rollers (512) on both sides.

6. The cutting device adapted to various wind turbine blades according to claim 5, characterized in that: The step-by-step self-positioning transverse movement mechanism (2) comprises a transverse movement component (21) and a self-positioning component (22); the lower end of the support platform (10) is provided with a transverse movement component (21) for driving the support platform (10) to move along the length direction of the wind turbine blade (7); the support platform (10) is provided with a plurality of groups of self-positioning components (22) for keeping the support platform (10) stable when the support platform (10) stops moving; The transverse movement assembly (21) comprises a rail sleeper (211), a transverse movement pulley track assembly (212), a transverse movement rack (213), a transverse movement gear (214) and a transverse movement motor (215); a plurality of rail sleepers (211) are fixedly installed on the ground at equal intervals along the length direction of the wind turbine blade (7); the rails and the transverse movement rack (213) of the transverse movement pulley track assembly (212) are symmetrically fixedly installed at the front and rear ends of the rail sleeper (211); the pulley of the transverse movement pulley track assembly (212) is arranged at the lower end of the support platform (10); the transverse movement motor (215) is fixedly installed at the front and rear ends of the support platform (10); and the transverse movement gear (214) meshingly connected to the transverse movement rack (213) is fixedly installed at the output end of the transverse movement motor (215); The self-positioning assembly (22) comprises a positioning cylinder (221), a positioning column (222) and a positioning sleeve (223), and the upper end of each rail sleeper (211) is fixedly mounted with a positioning sleeve (223); the positioning cylinder (221) is fixedly mounted on the support platform (10), and the output end of the positioning cylinder (221) is fixedly mounted with a positioning column (222) that is plugged into and cooperates with the positioning sleeve (223).

7. The cutting device adapted to various wind turbine blades according to claim 6, characterized in that: The blade root support mechanism (6) comprises a support seat (61), a flange seat (62), a latch pin (63) and a convex seat (64); the support seat (61) is located at the right end of the transverse pulley track assembly (212); a flange seat (62) matching with a flange at the blade root of a wind turbine blade (7) is fixedly mounted on the support seat (61); a convex seat (64) plugged into the blade root of the wind turbine blade (7) is fixedly mounted in the middle of the flange seat (62); and a plurality of latch pins (63) plugged into flange bolt holes at the blade root of the wind turbine blade (7) are fixedly mounted in a circular array on the outer edge of the flange seat (62).

8. A cutting method for a cutting device adapted to a variety of wind turbine blades according to claim 7, characterized in that: The following steps are involved: Step 1: Connecting the bolt (63) and the boss (64) to the flange at the blade root of the wind turbine blade (7) to achieve support for the entire wind turbine blade (7); Step 2: The lateral movement component (21) drives the support platform (10) to move from the blade tip to the blade root by the length of a rail sleeper (211), and before the support platform (10) stops moving to perform a cutting operation on the wind turbine blade (7), the positioning cylinder (221) drives the positioning column (222) to move vertically downward and plug into the positioning sleeve (223), thereby achieving positioning and support of the support platform (10); Step 3: The first push cylinder (411) drives the arc-shaped support plate (412) to move vertically upward. When the arc-shaped support plate (412) contacts the bottom of the wind turbine blade (7), it automatically rotates, and its angle is adjusted so that the contact area between the arc-shaped support plate (412) and the wind turbine blade (7) is maximized; when the sensing values ​​of the pressure sensors (413) at both ends of the arc-shaped support plate (412) reach a set value, the piston of the first push cylinder (411) stops moving, so that the first floating support assembly and the second floating support assembly respectively support the parts on both sides of the part to be cut of the wind turbine blade (7); Step 4: the vertical adjustment component (52) drives the reeling and unreeling motor (511) to move downward, and the wind turbine blade (7) is pressed downward onto the arc-shaped support plate (412) via the pressing belt (513); at the same time, the reeling and unreeling motor (511) controls the reel (512) to rotate to tighten the pressing belt (513), so that the wind turbine blade (7) is pressed tightly onto the arc-shaped support plate (412) by the pressing belt (513); Step 5: The multi-point support longitudinal movement assembly (31) drives the C-shaped frame (12) to servo-move in the direction of the wind turbine blade (7); when the cutting saw blade (337) is located directly above the pre-cut groove to be cut on the wind turbine blade (7), the vertical movement assembly drives the cutting saw blade (337) to move downward, and at the same time, the cutting motor (336) drives the cutting saw blade (337) to rotate, so that the cutting saw blade (337) cuts a pre-cut groove on the edge of the wind turbine blade (7) for use with the cutting rope (321); Step 6: The vertical moving assembly drives the cutting saw blade (337) to move upward to the top of the cutting section, so that the cutting saw blade (337) moves to avoid the cutting section, and the driving motor (322) drives the driving wheel (323) to rotate and drive the cutting rope (321). Under the push of the multi-point support longitudinal moving assembly (31), the cutting section of the cutting rope (321) is driven along the pre-cut groove cut by the cutting saw blade (337) to cut the wind turbine blade (7) in sections; Step 7: After the wind turbine blade (7) is cut off, the first floating support assembly and the adjustable pressing mechanism (5) release the portion of the wind turbine blade (7) connected to the blade root, while the second floating support assembly and the pressing belt (513) maintain the cut and separated portion of the wind turbine blade (7); Step eight: the lateral movement component (21) drives the support platform (10) to move to the leftmost end, the vertical movement adjustment component (52) drives the pressing belt (513) to move upward to reset and release the wind turbine blade (7), the second push cylinder (421) drives the supporting roller (422) to move upward to lift the wind turbine blade (7), and then the arc-shaped supporting plate (412) of the second floating support component moves downward and retreats, and then the supporting roller (422) on the left side moves downward and lower than the supporting roller (422) on the right side, so that the material tilts toward the discharge end, and finally the cut-off part of the wind turbine blade (7) automatically slides to the discharge position through the supporting roller (422), thereby realizing the automatic fixed-point discharge of the cut-off wind turbine blade (7).

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