Cutting device for blade root of wind power blade

Abstract

The invention discloses a wind power blade root cutting device which comprises a bottom plate, a blade root placing assembly is mounted at the top of the bottom plate, a cutting assembly is mounted at the top of the bottom plate, the cutting assembly comprises a U-shaped supporting frame, and an adjusting rotating rod is rotatably mounted in the U-shaped supporting frame; a first cutting disc or a second cutting disc is selected according to the needed cutting mode, the first cutting mode is that the center between every two adjacent bolt sleeves of the blade root is singly cut, each cut finished product is internally provided with a bolt sleeve, and the second cutting mode is that every two adjacent bolt sleeves of the blade root are cut at intervals. According to the finally obtained cutting finished product, part of the finished product internally contains the bolt sleeve, part of the finished product does not internally contain the bolt sleeve, the utilization rate of the blade root is increased, the excellent physical performance of the waste wind power blade fiber reinforced composite material is reserved to the maximum extent, and the waste wind power blade fiber reinforced composite material can be conveniently decomposed into a high-strength and high-added-value packaging material in the follow-up process.

Description

TECHNICAL FIELD

[0001] The present application relates to the wind turbine blade root processing technical field, specifically to a wind turbine blade root cutting device. BACKGROUND

[0002] The root is the connecting part of the wind turbine blade and the hub, which needs to bear complex shear, extrusion and bending and torsional load. Once the connection has a problem, the whole blade or even the whole wind turbine may have a very serious safety accident. Therefore, it must have sufficient thickness to ensure its mechanical strength and bending and torsional stiffness, and also needs to cooperate with the flange and the fixing bolt to connect and fix with the hub. The root is a fiber-reinforced composite material, which has high mechanical strength, and the material thickness is mostly more than 60mm, and the root is internally preformed with a bolt sleeve during production.

[0003] The root has a metal bolt sleeve. Although the conventional cutting method can cut and decompose the root, the cutting surface is not flat, and the cut material cannot be utilized. If the threaded sleeve is cut, the saw blade will be in danger of breaking. Currently, the root is processed by cutting and burning or landfill, and the original excellent physical properties of the fiber-reinforced composite material cannot be utilized. SUMMARY

[0004] The purpose of the present application is to provide a wind turbine blade root cutting device to solve the problems in the background art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a wind turbine blade root cutting device, comprising a bottom plate, a root placing assembly is installed on the top of the bottom plate, and a cutting assembly is installed on the top of the bottom plate.

[0006] The cutting assembly comprises a U-shaped support frame, an adjusting rotating rod is rotatably installed in the U-shaped support frame, a locking assembly is installed on one side of the adjusting rotating rod and the U-shaped support frame, two mounting rack plates are fixedly installed on the outer side of the adjusting rotating rod, a transmission assembly is installed on the side away from the mounting rack plate of each of the two mounting rack plates, a driving motor two and a driving motor one are fixedly installed at the end of the transmission assembly away from the mounting rack plate, a cutting disc one is rotatably installed on the opposite side of one end of the two mounting rack plates, a rotating cylinder is rotatably installed on the opposite side of the end of the two mounting rack plates away from the cutting disc one, two cutting discs two are movably installed on the outer side of the rotating cylinder, and an adjusting assembly is installed in the rotating cylinder.

[0007] Preferably, the root placing assembly comprises two placing arc plates, a placing arc groove is formed in the inside of each of the two placing arc plates, two supporting rods are fixedly installed on the bottom of each of the two placing arc plates, and the end of each of the two supporting rods away from the placing arc plate is fixedly connected with the top of the bottom plate.

[0008] Preferably, the locking assembly comprises a locking turntable and a locking plug, the locking turntable and the inside of the U-shaped support frame are provided with two locking insertion holes, and the locking plug is inserted and installed in the inside of the locking insertion hole, one side of the locking plug is fixedly connected with a connecting pull rope, and one end of the connecting pull rope away from the locking plug is fixedly connected with one side of the U-shaped support frame.

[0009] Preferably, the top of the bottom plate is provided with a moving sliding groove one, a limiting sliding rod is fixedly installed in the inside of the moving sliding groove one, the top of the bottom plate is provided with a moving sliding groove two, a threaded rod is rotatably installed in the inside of the moving sliding groove two, a driving motor three is fixedly installed on one side of the bottom plate, the output end of the driving motor three is fixedly connected with one end of the threaded rod, a moving block one is fixedly installed on one side of the bottom of the U-shaped support frame, a circular sliding hole is formed in the inside of the moving block one, the moving block one is slidingly installed in the inside of the moving sliding groove one, and the limiting sliding rod is slidingly installed in the inside of the circular sliding hole, a moving block two is fixedly installed on the side of the bottom of the U-shaped support frame away from the moving block one, a threaded hole is formed in the inside of the moving block two, the moving block two is slidingly installed in the inside of the moving sliding groove two, and the threaded rod is screw-connected in the inside of the threaded hole.

[0010] Preferably, the transmission assembly comprises a driven gear, a driving gear and a protection box, the driven gear and the driving gear are rotatably installed on one side of the mounting rack plate, the outside of the driven gear and the outside of the driving gear are engaged, one side of the protection box is fixedly connected with one side of the mounting rack plate, and the protection box covers the outside of the driven gear and the driving gear.

[0011] Preferably, the driving motor two and the driving motor one are respectively fixedly installed on the sides of the two protection boxes away from the mounting rack plate, the driving motor two and the mounting rack plate output end are respectively fixedly connected with one side of the two driving gears, and one end of the cutting disc one and the rotating cylinder is respectively fixedly connected with one side of the two driven gears.

[0012] Preferably, the adjusting assembly comprises an adjusting screw rod, the adjusting screw rod is rotatably installed in the inside of the rotating cylinder, two internal thread rings are symmetrically screw-connected at the two ends of the adjusting screw rod, the thread directions of the two ends of the adjusting screw rod are opposite, the thread directions in the insides of the two internal thread rings are opposite, adjusting sliding blocks are fixedly installed on the outside of the internal thread rings, one end of the adjusting sliding block away from the internal thread ring is fixedly connected with the inside of the cutting disc two, an adjusting sliding groove is formed on the outside of the rotating cylinder, the internal thread ring is slidingly installed in the inside of the adjusting sliding groove, and an adjusting knob is fixedly installed at one end of the adjusting screw rod.

[0013] Preferably, the bottom of the bottom plate is fixedly installed with supporting legs, the supporting legs are four, and the four supporting legs are rectangularly and symmetrically installed at the four corners of the bottom of the bottom plate.

[0014] Compared with the prior art, the present application has the beneficial effects that: by selecting cutting disc one or cutting disc two in a cutting mode according to needs, cutting mode one is single cutting at the center between the two bolt sleeve sleeves adjacent to the blade root, and the final cutting product is that each finished product contains a bolt sleeve sleeve inside; cutting mode two is interval cutting between the two bolt sleeve sleeves adjacent to the blade root, and the final cutting product is that part of the finished product contains a bolt sleeve sleeve inside and part of the finished product does not contain a bolt sleeve sleeve inside, the utilization rate of the blade root is increased, the excellent physical properties of the waste wind power blade fiber reinforced composite material are maximally reserved, and the subsequent decomposition into high-strength and high-value packaging materials is facilitated.

[0015] In addition, when the adjusting rotating rod is adjusted to rotate, the locking rotating disc can be driven to rotate, so that the locking rotating disc and the locking insertion hole in the U-shaped support frame are aligned, and then the locking insertion pin is inserted and installed in the locking insertion hole, so that the position of the locking rotating disc is fixed, and the position of the adjusting rotating rod is fixed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional appearance structure schematic diagram of the present application.

[0017] Figure 2 It is another perspective three-dimensional structure schematic diagram of the present application.

[0018] Figure 3 It is a three-dimensional structure schematic diagram of the bottom plate and the blade root placing assembly of the present application.

[0019] Figure 4 It is a three-dimensional structure schematic diagram of the cutting assembly of the present application.

[0020] Figure 5 It is a three-dimensional structure schematic diagram of the cutting assembly of the present application without the U-shaped support frame.

[0021] Figure 6 It is a three-dimensional structure schematic diagram of the cutting disc two and the adjusting assembly of the present application.

[0022] In the figure: 1, the bottom plate; 2, the U-shaped support frame; 3, the moving sliding groove one; 4, the moving sliding groove two; 5, the support rod; 6, the placed arc plate; 7, the placed arc groove; 8, the cutting disc two; 9, the driving motor two; 10, the driving motor three; 11, the cutting disc one; 12, the protection box; 13, the driving motor one; 14, the support leg; 15, the adjusting rotating rod; 16, the adjusting knob; 17, the mounting rack plate; 18, the locking bolt; 19, the connecting pull rope; 20, the locking turntable; 21, the locking jack; 22, the rotating cylinder; 23, the adjusting sliding groove; 24, the limiting sliding rod; 25, the threaded rod; 26, the adjusting screw; 27, the internal thread ring; 28, the adjusting sliding block; 29, the moving sliding block two; 30, the threaded hole; 31, the moving sliding block one; 32, the circular sliding hole; 33, the driving gear; 34, the driven gear. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-6 The present application provides a technical solution: a cutting device for a wind power blade root, comprising a bottom plate 1, the top of the bottom plate 1 is provided with a root placing assembly, the root placing assembly comprises two placed arc plates 6, the inside of each placed arc plate 6 is provided with a placed arc groove 7, the bottom of each placed arc plate 6 is fixedly provided with two support rods 5, the end of each support rod 5 away from the placed arc plate 6 is fixedly connected with the top of the bottom plate 1, the top of the bottom plate 1 is provided with a cutting assembly, the bottom of the bottom plate 1 is fixedly provided with four support legs 14, and the four support legs 14 are symmetrically installed at the four corners of the bottom of the bottom plate 1.

[0025] The cutting assembly comprises a U-shaped support frame 2, an adjusting rotating rod 15 rotatably installed in the U-shaped support frame 2, a locking assembly installed on one side of the U-shaped support frame 2 and the adjusting rotating rod 15, two mounting rack plates 17 fixedly installed on the outer side of the adjusting rotating rod 15, a transmission assembly installed on the side of each of the two mounting rack plates 17 away from each other, a driving motor two 9 and a driving motor one 13 fixedly installed at the end of the transmission assembly away from the mounting rack plate 17, respectively, the transmission assembly comprising a driven gear 34, a driving gear 33 and a protection box 12, the driven gear 34 and the driving gear 33 are rotatably installed on one side of the mounting rack plate 17, the outer side of the driven gear 34 and the outer side of the driving gear 33 are engaged with each other, one side of the protection box 12 is fixedly connected with one side of the mounting rack plate 17, and the protection box 12 covers the outer side of the driven gear 34 and the driving gear 33, the driving motor two 9 and the driving motor one 13 are fixedly installed at the side of the two protection boxes 12 away from the mounting rack plate 17, respectively, the driving motor two 9 and the mounting rack plate 17 are fixedly connected with one side of the two driving gears 33, respectively, the cutting disc one 11 and one end of the rotating cylinder 22 are fixedly connected with one side of the two driven gears 34, respectively, the cutting disc one 11 is rotatably installed at the opposite side of one end of the two mounting rack plates 17, the rotating cylinder 22 is rotatably installed at the opposite side of one end of the two mounting rack plates 17 away from the cutting disc one 11, the outer side of the rotating cylinder 22 movably installs two cutting discs two 8, the inside of the rotating cylinder 22 installs an adjusting assembly, the top of the bottom plate 1 is provided with a moving sliding groove one 3, the inside of the moving sliding groove one 3 is fixedly installed with a limiting sliding rod 24, the top of the bottom plate 1 is provided with a moving sliding groove two 4, the inside of the moving sliding groove two 4 is rotatably installed with a threaded rod 25, one side of the bottom plate 1 is fixedly installed with a driving motor three 10, the output end of the driving motor three 10 is fixedly connected with one end of the threaded rod 25, one side of the bottom of the U-shaped support frame 2 is fixedly installed with a moving sliding block one 31, the inside of the moving sliding block one 31 is provided with a circular sliding hole 32, the moving sliding block one 31 is slidably installed in the inside of the moving sliding groove one 3, and the limiting sliding rod 24 is slidably installed in the inside of the circular sliding hole 32, one side of the bottom of the U-shaped support frame 2 away from the moving sliding block one 31 is fixedly installed with a moving sliding block two 29, the inside of the moving sliding block two 29 is provided with a threaded hole 30, the moving sliding block two 29 is slidably installed in the inside of the moving sliding groove two 4, and the threaded rod 25 is screwedly connected in the inside of the threaded hole 30.

[0026] The working principle of the above technical scheme is as follows: first, the blade root is placed in the placing arc groove 7 on the top of the two placing arc plates 6 through the lifting equipment, so as to support the blade root, then the cutting disc one 11 or the cutting disc two 8 is selected according to the cutting mode required, the cutting mode one is single cutting at the center between the two adjacent bolt sleeves of the blade root, and finally the cutting finished product is obtained, which contains a bolt sleeve in each finished product, the cutting mode two is interval cutting between the two adjacent bolt sleeves of the blade root, and finally the cutting finished product is obtained, which contains a bolt sleeve in part of the finished product and does not contain a bolt sleeve in part of the finished product, thereby increasing the utilization rate of the blade root, maximizing the excellent physical properties of the waste wind power blade fiber reinforced composite material, facilitating subsequent decomposition into high-strength and high-value packaging materials, when the cutting mode one is required, the adjusting rotating rod 15 can be rotated, the cutting disc one 11 is rotated above the two cutting disc two 8, then the adjusting rotating rod 15 is fixed through the locking assembly, then the driving motor one 13 is started, the output end of the driving motor one 13 can drive the driving gear 33 to rotate, so as to drive the driven gear 34 to rotate, thereby driving the cutting disc one 11 to rotate, then the driving motor three 10 is started, the output end of the driving motor three 10 can drive the threaded rod 25 to rotate, so that the moving block two 29 moves in the moving sliding groove two 4, thereby driving the U-shaped support frame 2 to move on the top of the bottom plate 1, so as to drive the rotating cutting disc one 11 to move, thereby cutting the blade root placed on the top of the placing arc plate 6, when the cutting mode two is required, the adjusting rotating rod 15 can be rotated, the two cutting disc two 8 are rotated above the cutting disc one 11, then the adjusting rotating rod 15 is fixed through the locking assembly, then the driving motor two 9 is started, the output end of the driving motor two 9 can drive the driving gear 33 to rotate, so as to drive the driven gear 34 to rotate, thereby driving the rotating cylinder 22 to rotate, so as to drive the two cutting disc two 8 to rotate, then the driving motor three 10 is started, the output end of the driving motor three 10 can drive the threaded rod 25 to rotate, so that the moving block two 29 moves in the moving sliding groove two 4, thereby driving the U-shaped support frame 2 to move on the top of the bottom plate 1, so as to drive the rotating two cutting disc two 8 to move, thereby cutting the blade root placed on the top of the placing arc plate 6, the cutting mode can be selected according to the requirement, and the use effect of the lifting device is improved.

[0027] In another embodiment, as shown in Figures 1-6 The locking assembly includes a locking turntable 20 and a locking bolt 18, two locking insertion holes 21 are formed in the locking turntable 20 and the U-shaped support frame 2, and the locking bolt 18 is inserted and installed in the locking insertion hole 21, one side of the locking bolt 18 is fixedly connected with a connecting pull rope 19, and one end of the connecting pull rope 19 away from the locking bolt 18 is fixedly connected with one side of the U-shaped support frame 2.

[0028] When the adjusting rod 15 is rotated, the locking turntable 20 can be driven to rotate, so that the locking turntable 20 and the locking hole 21 inside the U-shaped support frame 2 are aligned, and then the locking pin 18 is inserted and installed inside the locking hole 21, thereby fixing the position of the locking turntable 20, thereby fixing the position of the adjusting rod 15.

[0029] In another embodiment, Figures 1-6 As shown, the adjustment assembly includes an adjusting screw 26, which is rotatably installed inside the rotating cylinder 22. The two ends of the adjusting screw 26 are symmetrically threaded with two internal threaded rings 27. The thread directions at both ends of the adjusting screw 26 are opposite, and the thread directions inside the two internal threaded rings 27 are opposite. An adjusting slider 28 is fixedly installed on the outside of the internal threaded ring 27. The end of the adjusting slider 28 away from the internal threaded ring 27 is fixedly connected to the inside of the cutting disk 28. An adjusting groove 23 is provided on the outside of the rotating cylinder 22, and the internal threaded ring 27 is slidably installed inside the adjusting groove 23. An adjusting knob 16 is fixedly installed on one end of the adjusting screw 26.

[0030] The adjusting knob 16 can be rotated to drive the adjusting screw 26 to rotate inside the rotating cylinder 22, so that the two internal threaded rings 27 are moved closer to or away from each other on the outside of the adjusting screw 26, so that the adjusting slider 28 slides inside the adjusting slot 23, so that the two cutting discs 28 are moved closer to or away from each other on the outside of the rotating cylinder 22, thereby adjusting the relative positions of the two cutting discs 28, so that the cutting width of the blade root can be selected according to needs, thereby improving the use effect of the device.

[0031] Working principle: First, the blade root is placed inside the arc groove 7 on the top of the two arc plates 6 through a lifting device to lift and support the blade root, and then the cutting disk 11 or the cutting disk 2 8 is selected according to the required cutting method. The first cutting method is to perform a single cut at the center between two adjacent bolt sleeves of the blade root, and the final cut product is that each finished product contains a bolt sleeve. The second cutting method is to perform interval cutting between two adjacent bolt sleeves of the blade root, and the final cut product is that some finished products contain bolt sleeves, and some finished products do not contain bolt sleeves, which increases the utilization rate of the blade root and retains the excellent physical properties of the fiber reinforced composite materials of the waste wind turbine blades to the greatest extent, making it convenient for subsequent decomposition into high-strength and high-adhesion products. When the value-added packaging material needs to be cut in the first cutting mode, the adjusting rod 15 can be rotated to rotate the cutting disc 11 to the top of the two cutting discs 8, and then the adjusting rod 15 is fixed by the locking assembly. When the adjusting rod 15 is rotated, the locking turntable 20 can be driven to rotate, so that the locking turntable 20 and the locking socket 21 inside the U-shaped support frame 2 are aligned, and then the locking pin 18 is inserted and installed in the locking socket 21, so as to fix the position of the locking turntable 20, thereby fixing the position of the adjusting rod 15, and then starting the driving motor 13. The output end of the driving motor 13 can drive the driving gear 33 to rotate, thereby driving the driven gear 34 to rotate, thereby driving the cutting The cutting disc 11 rotates, and then the driving motor 3 10 is started. The output end of the driving motor 3 10 can drive the threaded rod 25 to rotate, so that the moving slider 29 moves inside the moving slide 2 4, thereby driving the U-shaped support frame 2 to move on the top of the bottom plate 1, thereby driving the rotating cutting disc 11 to move, thereby cutting the blade root placed on the top of the arc plate 6. When cutting method 2 is needed, the adjusting rod 15 can be rotated to rotate the two cutting discs 2 8 to the top of the cutting disc 1 11, and then the adjusting rod 15 is fixed by the locking assembly, and then the driving motor 2 9 is started. The output end of the driving motor 2 9 can drive the active gear 33 to rotate, thereby driving the driven gear 34 to The rotating cylinder 22 is driven to rotate, thereby driving the two cutting discs 28 to rotate, and then the driving motor 3 10 is started. The output end of the driving motor 3 10 can drive the threaded rod 25 to rotate, so that the movable slider 29 moves inside the movable slide groove 2 4, thereby driving the U-shaped support frame 2 to move on the top of the bottom plate 1, thereby driving the two rotating cutting discs 28 to move, thereby cutting the blade root placed on the top of the arc plate 6. The cutting method can be selected according to needs to improve the use effect of the device. In addition, the adjusting knob 16 can be rotated to drive the adjusting screw 26 to rotate inside the rotating cylinder 22, so that the two internal threaded rings 27 are close to or away from each other on the outside of the adjusting screw 26.Thus, the adjusting slider 28 slides inside the adjusting slot 23, so that the two cutting discs 28 are close to or far away from each other outside the rotating cylinder 22, so as to adjust the relative positions of the two cutting discs 28, so that the cutting width of the blade root can be selected according to the requirement, and the use effect of the lifting device is improved.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cutting device for a wind turbine blade root, comprising a base plate (1), characterized in that: A blade root placement assembly is installed on the top of the base plate (1), and a cutting assembly is installed on the top of the base plate (1); The cutting assembly comprises a U-shaped support frame (2), an adjusting rod (15) is rotatably mounted inside the U-shaped support frame (2), a locking assembly is mounted on one side of the adjusting rod (15) and the U-shaped support frame (2), two mounting plates (17) are fixedly mounted on the outer side of the adjusting rod (15), a transmission assembly is mounted on the side of the two mounting plates (17) away from each other, a drive motor 2 (9) and a drive motor 1 (13) are fixedly mounted on the end of the transmission assembly away from the mounting plate (17), a cutting disc 1 (11) is rotatably mounted on the opposite side of one end of the two mounting plates (17), a rotating cylinder (22) is rotatably mounted on the opposite side of one end of the two mounting plates (17) away from the cutting disc 1 (11), two cutting discs 2 (8) are movably mounted on the outer side of the rotating cylinder (22), and an adjusting assembly is mounted inside the rotating cylinder (22).

2. The wind turbine blade root cutting device according to claim 1, characterized in that: The blade root placement assembly comprises two placement arc plates (6), each of the two placement arc plates (6) being provided with a placement arc groove (7), and two support rods (5) being fixedly mounted on the bottom of each of the two placement arc plates (6), and the ends of the support rods (5) away from the placement arc plates (6) being fixedly connected to the top of the base plate (1).

3. The wind turbine blade root cutting device according to claim 2, characterized in that: The locking assembly comprises a locking turntable (20) and a locking latch (18). Two locking sockets (21) are provided inside the locking turntable (20) and the U-shaped support frame (2), and the locking latch (18) is plugged and installed inside the locking sockets (21). A connecting rope (19) is fixedly connected to one side of the locking latch (18), and an end of the connecting rope (19) away from the locking latch (18) is fixedly connected to one side of the U-shaped support frame (2).

4. The wind turbine blade root cutting device according to claim 3, characterized in that: A movable slide groove (3) is provided on the top of the bottom plate (1), a limited slide rod (24) is fixedly installed inside the movable slide groove (3), a movable slide groove (4) is provided on the top of the bottom plate (1), a threaded rod (25) is rotatably installed inside the movable slide groove (4), a driving motor (10) is fixedly installed on one side of the bottom plate (1), an output end of the driving motor (10) is fixedly connected to one end of the threaded rod (25), a movable slider (31) is fixedly installed on one side of the bottom of the U-shaped support frame (2), and the movable slider (31) is fixedly installed on one side of the bottom of the U-shaped support frame (2). A circular sliding hole (32) is provided inside the (31), the movable slider 1 (31) is slidably mounted inside the movable slide groove 1 (3), and the limiting slide rod (24) is slidably mounted inside the circular sliding hole (32), and a movable slider 2 (29) is fixedly mounted on the side of the bottom of the U-shaped support frame (2) away from the movable slider 1 (31), a threaded hole (30) is provided inside the movable slider 2 (29), the movable slider 2 (29) is slidably mounted inside the movable slide groove 2 (4), and the threaded rod (25) is threadedly connected to the inside of the threaded hole (30).

5. The wind turbine blade root cutting device according to claim 4, characterized in that: The transmission assembly comprises a driven gear (34), a driving gear (33) and a protection box (12). The driven gear (34) and the driving gear (33) are both rotatably mounted on one side of a mounting frame plate (17). The outer side of the driven gear (34) is meshed with the outer side of the driving gear (33). One side of the protection box (12) is fixedly connected to one side of the mounting frame plate (17), and the protection box (12) is covered on the outer sides of the driven gear (34) and the driving gear (33).

6. The wind turbine blade root cutting device according to claim 5, characterized in that: The second drive motor (9) and the first drive motor (13) are respectively fixedly mounted on one side of the two protective boxes (12) away from the mounting frame (17); the output ends of the second drive motor (9) and the mounting frame (17) are respectively fixedly connected to one side of the two driving gears (33); and one end of the cutting disc (11) and the rotating cylinder (22) are respectively fixedly connected to one side of the two driven gears (34).

7. The wind turbine blade root cutting device according to claim 6, characterized in that: The adjusting assembly includes an adjusting screw (26), which is rotatably mounted inside the rotating cylinder (22), and two ends of the adjusting screw (26) are symmetrically threaded with two internal threaded rings (27), the thread directions of the two ends of the adjusting screw (26) are opposite, and the thread directions inside the two internal threaded rings (27) are opposite, and the outer sides of the internal threaded rings (27) are fixedly mounted with an adjusting slider (28), and the end of the adjusting slider (28) away from the internal threaded ring (27) is fixedly connected to the inside of the cutting disk 2 (8), the outer side of the rotating cylinder (22) is provided with an adjusting slot (23), and the internal threaded ring (27) is slidably mounted inside the adjusting slot (23), and one end of the adjusting screw (26) is fixedly mounted with an adjusting knob (16).

8. The wind turbine blade root cutting device according to claim 7, characterized in that: Support legs (14) are fixedly installed at the bottom of the base plate (1), and there are four support legs (14). The four support legs (14) are symmetrically installed at the four corners of the bottom of the base plate (1) in a rectangular shape.

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