Retired wind turbine blade cutting apparatus

Abstract

This utility model relates to the field of wind turbine blade cutting technology, specifically a decommissioned wind turbine blade cutting device, including a drive motor and a cutting blade. The output shaft of the drive motor is connected to the cutting blade via a fixed plate and a connecting flange. The drive motor is fixed below a connecting plate, and a driven large gear is fixed above the connecting plate. The driven large gear and the outer ring of a crossed roller bearing are connected to the connecting plate by bolts, and the inner ring of the crossed roller bearing is fixed to a support platform by bolts. A servo motor is located above the support platform, and the output end of the servo motor has a driving small gear that meshes with the driven large gear. The advantages of this utility model are: firstly, the device can be installed on an excavator, and the control performance is determined by the excavator, making it more applicable and more convenient and efficient than wire saw fixtures; secondly, the device can achieve horizontal rotation and perform multi-angle cutting, avoiding multiple movements of the excavator and improving production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of wind turbine blade cutting technology, specifically a cutting device for decommissioned wind turbine blades. Background Technology

[0002] Wind power generation refers to converting the kinetic energy of wind into electrical energy. Decommissioned wind turbine blades need to be recycled and reused elsewhere. This requires cutting the decommissioned wind turbine blades, and then assembling the cut materials for use in other scenarios. When cutting complete wind turbine blades, outdoor cutting equipment is needed to cut the blades into sections. Existing technologies mainly use two methods to cut blades: The first is: 1. Manual cutting: difficult to operate, with certain dangers, low safety, and too slow efficiency; 2. Wire saw fixture: requires special equipment to lift the blade before the fixture can be fixed on the blade for cutting; the cutting operation is cumbersome and complicated. Utility Model Content

[0003] The purpose of this invention is to provide a decommissioned wind turbine blade cutting device to solve the problems existing in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a decommissioned wind turbine blade cutting device, comprising a drive motor 14 and a cutting blade 6, wherein a connecting flange 1 is provided on the output shaft of the drive motor 14, the cutting blade 6 is connected to the connecting flange 1 via a fixed plate 3, the fixed plate 3 and the connecting flange 1 are fixed together by a fixing bolt 4 and a nut, and a locking bolt 2 is provided at the center of the outer side of the fixed plate 3, the locking bolt 2 being connected to the output shaft of the drive motor 14; characterized in that: the drive motor 14 is fixed below the connecting plate 5, and a driven large gear 13 is fixed above the connecting plate 5, a crossed roller bearing 12 is provided inside the driven large gear 13, the outer ring of the crossed roller bearing 12 is connected to the driven large gear 13 and the connecting plate 5 by bolts, and the inner ring of the crossed roller bearing 12 is fixed to the support platform 11 by bolts; a servo motor 8 is provided above the support platform 11, and an active small gear 7 meshing with the driven large gear 13 is provided at the output end of the servo motor 8.

[0005] Furthermore, both the support platform 11 and the connecting plate 5 are provided with countersunk holes 10.

[0006] Furthermore, the support platform 11 is also provided with a fixing plate 9 that is connected to the excavator boom.

[0007] The present invention has the following advantages: First, the device can be installed on an excavator, and the control performance is determined by the excavator, making it more applicable and more convenient and efficient than wire saw fixtures; Second, the device can rotate horizontally and cut at multiple angles, avoiding multiple movements of the excavator and improving production efficiency. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the structure of this utility model.

[0009] In the diagram: 1. Connecting flange; 2. Locking bolt; 3. Fixing plate; 4. Fixing bolt; 5. Connecting plate; 6. Cutting disc; 7. Drive pinion; 8. Servo motor; 9. Fixing plate; 10. Countersunk hole; 11. Support platform; 12. Crossed roller bearing; 13. Driven large gear; 14. Drive motor. Detailed Implementation

[0010] A decommissioned wind turbine blade cutting device includes a drive motor 14 and a cutting blade 6. The output shaft of the drive motor 14 is provided with a connecting flange 1. The cutting blade 6 is connected to the connecting flange 1 through a fixed plate 3. The fixed plate 3 and the connecting flange 1 are fixed by a fixing bolt 4 and a nut. A locking bolt 2 is provided at the center of the outer side of the fixed plate 3. The locking bolt 2 is connected to the output shaft of the drive motor 14.

[0011] To improve applicability and to achieve multi-angle rotation, the drive motor 14 is fixed below the connecting plate 5. An angle rotation mechanism is provided above the connecting plate 5. A support platform 11 is provided above the connecting plate 5. A gear set, consisting of a passive large gear 13 and an active small gear 7, is provided between the support platform 11 and the connecting plate 5.

[0012] The active pinion 7 is connected to the output end of the servo motor 8 above the connecting plate 5, and the passive gear 13 is fixedly connected to the connecting plate 5. The passive gear 13 is equipped with a cross roller bearing 12. Both the inner and outer rings of the cross roller bearing 12 are provided with locking threads. The outer ring of the cross roller bearing 12 is connected to the passive gear 13 and the connecting plate 5 by bolts, and the inner ring of the cross roller bearing 12 is fixed to the support platform 11 by bolts. To improve aesthetics, countersunk holes 10 are provided on both the support platform 11 and the connecting plate 5.

[0013] In order to connect with the excavator's stick, the support platform 11 is also equipped with a fixing plate 9 for connecting with the excavator's stick.

[0014] The specific working principle is as follows: The excavator's boom is connected to the fixed plate 9. The drive motor 14 is started to rotate, causing the cutting blade 6 to rotate and cut the decommissioned wind turbine blades. When angle adjustment is required, the servo motor 8 rotates, driving the drive pinion 7 to rotate. Since the driven gear 13 is fixed to the drive connecting plate 5, when the drive pinion 7 rotates, the connecting plate 5 rotates around the inner ring of the crossed roller bearing 12 as the center, thus achieving angle adjustment.

Claims

1. A decommissioned wind turbine blade cutting device, comprising a drive motor (14) and a cutting blade (6), wherein a connecting flange (1) is provided on the output shaft of the drive motor (14), the cutting blade (6) is connected to the connecting flange (1) via a fixed plate (3), the fixed plate (3) and the connecting flange (1) are fixed together by a fixing bolt (4) and a nut, and a locking bolt (2) is provided at the center of the outer side of the fixed plate (3), the locking bolt (2) being connected to the output shaft of the drive motor (14); characterized in that: The drive motor (14) is fixed below the connecting plate (5), and a passive large gear (13) is fixed above the connecting plate (5). A cross roller bearing (12) is provided inside the passive large gear (13). The outer ring of the cross roller bearing (12) is connected to the passive large gear (13) and the connecting plate (5) by bolts. The inner ring of the cross roller bearing (12) is fixed to the support platform (11) by bolts. A servo motor (8) is provided above the support platform (11). The output end of the servo motor (8) is provided with an active small gear (7) that meshes with the passive large gear (13).

2. The decommissioned wind turbine blade cutting equipment according to claim 1, characterized in that: The support platform (11) and the connecting plate (5) are both provided with countersunk holes (10).

3. The decommissioned wind turbine blade cutting equipment according to claim 1, characterized in that: The support platform (11) is also provided with a fixing plate (9) that is connected to the excavator boom.

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