Tooling for extending a wind turbine blade

Abstract

This utility model provides a tooling for extending wind turbine blades, relating to the field of wind power generation technology, including a frame and a pole; a docking and pushing motor is installed on the right side of the frame, and a bidirectional threaded rod is installed on the motor shaft of the docking and pushing motor; a slide is welded to the top of the pole, a clamping hydraulic cylinder is installed on the upper side of the slide, a pressure plate is installed at the end of the telescopic rod of the clamping hydraulic cylinder, an upper clamping plate is welded to the lower side of the pressure plate, a base is welded to the inner side of the slide, a lower clamping plate is welded to the upper side of the base, and wheel frames are welded to both the lower and inner sides of the slide, with rollers rotatably connected to the wheel frames; by setting up the clamping hydraulic cylinder, upper clamping plate, lower clamping plate, bidirectional threaded rod and slide, it is ensured that the adhesive on the bonding surfaces of the new and old blades remains stably bonded before it has cured, solving the problem that the traditional wind turbine blade extension work, which uses crane hoisting and manual support, is difficult to maintain a stable closed contact between the adhesive surfaces of the new and old blades.

Description

Technical Field

[0001] This utility model belongs to the field of wind power generation technology, and more specifically, it relates to a tooling for extending wind turbine blades. Background Technology

[0002] Wind turbine blade extension is a process that improves the power generation efficiency of wind turbines by increasing the length of the blades. This involves applying adhesive to the tip of the blade to attach a new section of blade material, thus extending the wind turbine blade. As the blade length is increased, the wind turbine can capture more wind energy, thereby improving its power generation efficiency. Currently, the bonding process between new and old wind turbine blades typically requires a crane to lift the blades, followed by multiple workers pushing and supporting the two sets of blades to ensure close contact between their bonding surfaces. This allows the adhesive on the bonding surfaces to adhere and remain in place for a certain period until it is fully cured. However, this traditional method of extending and bonding wind turbine blades, using crane lifting and multiple workers pushing and supporting the blades, is problematic because the crane's lifting ropes are flexible and the blades are easily shaken by wind. When the adhesive on the bonding surfaces is not yet fully cured, the new and old blades cannot maintain stable contact, leading to easy separation of the bonding surfaces. This not only reduces bonding efficiency but also results in poor bonding quality. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model provides a tooling for extending wind turbine blades, which solves the problem that traditional wind turbine blade extension operations, which use crane lifting combined with manual support, are unable to maintain stable closed contact between the adhesive surfaces of the new and old blades.

[0004] This utility model provides a tooling for extending wind turbine blades, including a support plate; a hydraulic oil supply station is installed on the upper side of the support plate; it also includes a frame and a pole; a beam plate is welded to the top of the frame, a pushing hydraulic cylinder is installed on the upper side of the beam plate, a cover plate is installed at the end of the telescopic rod of the pushing hydraulic cylinder, an electric heating tube is installed on the inner side of the cover plate, a docking pushing motor is installed on the right side of the frame, a bidirectional threaded rod is installed on the motor shaft of the docking pushing motor, a controller is installed on the front side of the frame, a heating groove is welded to the upper side of the frame, a support plate is welded to the upper side of the frame, and a placement tray is welded to the upper side of the support plate; a slide is welded to both the top and bottom of the pole, a clamping hydraulic cylinder is installed on the upper side of the slide, a pressure plate is installed at the end of the telescopic rod of the clamping hydraulic cylinder, an upper clamping plate is welded to the lower side of the pressure plate, a base is welded to the inner side of the slide, a lower clamping plate is welded to the upper side of the base, and wheel frames are welded to both the lower and inner sides of the slide, with rollers rotatably connected to the wheel frames.

[0005] In at least some embodiments, the heating tank is a stainless steel tank structure with an opening on the upper side. Ten sets of electric heating tubes are installed on the inner side of the heating tank structure. A temperature sensor is installed on the front side wall inside the heating tank structure. The interior of the heating tank structure is hollow, and the interior of the hollow structure of the heating tank is a vacuum environment. The left and right sides of the heating tank are provided with arc-shaped grooves that run through the left and right sides near the fixed edge.

[0006] In at least some embodiments, the number of pressure plates is two sets, and each set of pressure plates has four sets of through holes on its upper side, with four sets of uprights inserted into the four sets of through holes of the pressure plate.

[0007] In at least some embodiments, the carriage is a rectangular frame structure that runs through the left and right sides. There are two sets of carriages, which are symmetrically distributed on the left and right sides. A cuboid protrusion is provided at the center of the bottom side of the inner frame structure of the carriage. A threaded through hole runs through the left and right sides at the center of the cuboid protrusion. The outer side of the bidirectional threaded rod is connected to the threaded through hole of the cuboid protrusion of the left carriage with a forward thread, and the outer side of the bidirectional threaded rod is connected to the threaded through hole of the cuboid protrusion of the right carriage with a reverse thread.

[0008] In at least some embodiments, the front and rear sides of the frame are provided with elongated through grooves near the bottom, and the upper and lower side walls of the elongated through grooves are provided with elongated grooves. Each group of six rollers is respectively embedded in the elongated grooves on the upper and lower side walls of the frame's elongated through groove.

[0009] In at least some embodiments, the placement tray is an arc-shaped curved plate structure, and a cotton pad is adhered to the upper side of the placement tray.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] 1. In this utility model, on the one hand, the upper clamping plate welded to the lower side of the pressure plate is pushed by the clamping hydraulic cylinder to fix and clamp the wind turbine blades in conjunction with the lower clamping plate welded to the upper side of the base. On the other hand, the threaded meshing transmission structure formed by the positive and negative threaded ends of the outer side of the bidirectional threaded rod in the threaded through holes of the two sets of slide brackets enables the two sets of slide brackets to drive the new blades and old blades clamped by the upper and lower clamping plates to move left and right in opposite directions, replacing the traditional crane hoisting and bonding method. This achieves stable bonding of the bonding surfaces of the new blades and old blades, ensuring stable bonding even before the adhesive on the bonding surfaces of the new blades and old blades has cured.

[0012] 2. In the utility model, the push hydraulic cylinder drives the cover plate to move downward to the top of the heating tank, so that the cover plate and the heating tank are closed from top to bottom, so that the bonding part of the new blade and the old blade is wrapped inside the cover plate and the heating tank. The electric heating tube heats and solidifies the bonding part of the new blade and the old blade, so that the adhesive on the bonding surface of the new blade and the old blade can be quickly solidified, thereby improving the bonding efficiency of the new blade and the old blade. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model.

[0014] Figure 2 This is a bottom view of the structure of this utility model.

[0015] Figure 3 This is a top view of the structure of this utility model.

[0016] Figure 4 This is a front view structural diagram of this utility model.

[0017] Figure 5 This is a schematic diagram of the left-side structure of this utility model.

[0018] Figure 6 This is a cross-sectional structural diagram of the present invention.

[0019] Figure 7 This is the utility model Figure 6 Enlarged structural diagram of part A in the middle.

[0020] Figure 8 This is the utility model Figure 6 Enlarged structural diagram of part B in the middle.

[0021] Reference numerals: 1. Frame; 2. Support plate; 3. Cotton pad; 4. Support plate; 5. Placement tray; 6. Clamping hydraulic cylinder; 7. Slide; 8. Pressure plate; 9. Upright pole; 10. Upper clamping plate; 11. Lower clamping plate; 12. Pushing hydraulic cylinder; 13. Beam plate; 14. Heating tank; 15. Cover plate; 16. Bidirectional threaded rod; 17. Hydraulic oil supply station; 18. Controller; 19. Docking and pushing motor; 20. Wheel frame; 21. Roller; 22. Electric heating tube; 23. Temperature sensor; 24. Base. Detailed Implementation

[0022] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0023] like Figures 1-8As shown, this utility model provides a tooling for extending wind turbine blades, including a support plate 2; a hydraulic oil supply station 17 is installed on the upper side of the support plate 2; it also includes a frame 1 and a pole 9; a beam plate 13 is welded to the top of the frame 1, a pushing hydraulic cylinder 12 is installed on the upper side of the beam plate 13, a cover plate 15 is installed at the end of the telescopic rod of the pushing hydraulic cylinder 12, an electric heating tube 22 is installed on the inner side of the cover plate 15, a docking pushing motor 19 is installed on the right side of the frame 1, a bidirectional threaded rod 16 is installed on the motor shaft of the docking pushing motor 19, and a controller 1 is installed on the front side of the frame 1. 8. A heating groove 14 is welded to the upper side of the frame 1. A support plate 4 is welded to the upper side of the frame 1. A placement tray 5 is welded to the upper side of the support plate 4. A slide 7 is welded to both the top and bottom of the upright 9. A clamping hydraulic cylinder 6 is installed on the upper side of the slide 7. A pressure plate 8 is installed at the end of the telescopic rod of the clamping hydraulic cylinder 6. An upper clamping plate 10 is welded to the lower side of the pressure plate 8. A base 24 is welded to the inner side of the slide 7. A lower clamping plate 11 is welded to the upper side of the base 24. A wheel frame 20 is welded to both the lower and inner sides of the slide 7. A roller 21 is rotatably connected to the wheel frame 20.

[0024] In this embodiment, the heating tank 14 is a stainless steel tank structure with an opening on the upper side. Ten sets of electric heating tubes 22 are installed on the inner side of the heating tank 14 structure. The electric heating tubes 22 are arranged according to the shape of the joint between the new and old blades. The electric heating tubes 22 work around the outer side of the joint surface between the new and old blades to uniformly heat and cure the adhesive. A temperature sensor 23 is installed on the front side wall inside the heating tank 14 structure. The temperature sensor 23 detects the temperature inside the heating tank 14 in real time to ensure that the controller 18 controls the heating temperature of the electric heating tubes 22 so that... The interior of the heating tank 14 is always within a suitable adhesive curing temperature range. The interior of the heating tank 14 is hollow, and the interior of the hollow structure of the heating tank 14 is a vacuum environment. The temperature is isolated by the stainless steel hollow tank structure of the heating tank 14, ensuring that the temperature loss inside the heating tank 14 and the cover plate 15 is reduced when the heating tank 14 and the cover plate 15 are closed. The left and right sides of the heating tank 14 are provided with arc-shaped grooves that run through the left and right sides near the fixed edge. The two sets of arc-shaped grooves of the heating tank 14 respectively fit into the lower sides of the new blade and the old blade.

[0025] In this embodiment, there are two sets of pressure plates 8. Each set of pressure plates 8 has four sets of through holes on its upper side. Four sets of uprights 9 are inserted into the four sets of through holes of the pressure plate 8. The clamping hydraulic cylinder 6 pushes the pressure plate 8 to move vertically up and down along the uprights 9. The upper clamping plate 10 is welded to the lower side of the pressure plate 8 and cooperates with the lower clamping plate 11 welded to the upper side of the base 24 to perform vertical positioning and clamping of the blades that need to be extended and bonded, so as to ensure that the new blades and the old blades are in contact and remain stable.

[0026] In this embodiment, the slide 7 is a rectangular frame structure that runs through the left and right sides. There are two sets of slides 7, which are symmetrically distributed on the left and right sides. A cuboid protrusion is provided at the center of the bottom side of the frame structure inside the slide 7. A threaded through hole runs through the left and right sides at the center of the cuboid protrusion. The outer side of the bidirectional threaded rod 16 is threadedly engaged in the threaded through hole of the cuboid protrusion of the left slide 7, and the outer side of the bidirectional threaded rod 16 is threadedly engaged in the threaded through hole of the cuboid protrusion of the right slide 7. During the rotation of the bidirectional threaded rod 16, it drives the two sets of slides 7 to move in opposite directions from left to right. This causes the two sets of slides 7 to drive the new blade and the old blade held by the upper clamping plate 10 and the lower clamping plate 11 to move synchronously in opposite directions from left to right. The bonding surfaces of the new blade and the old blade are joined together and penetrate into the heating tank 14 and the cover plate 15. This realizes the pushing and docking contact work of the new blade and the old blade under fixed clamping, avoiding the method of pushing and docking the blade by multiple people, and saving manpower.

[0027] In this embodiment, the front and rear sides of the frame 1 are provided with elongated through grooves near the bottom. The upper and lower side walls of the elongated through grooves are provided with elongated grooves. Each group of six rollers 21 is respectively embedded in the elongated grooves on the upper and lower side walls of the elongated through groove of the frame 1. The rollers 21 support the slide 7 in the elongated through groove of the frame 1, ensuring that the slide 7 moves left and right in a directional manner through the nesting support structure of the rollers 21 and the elongated groove of the frame 1.

[0028] In this embodiment, the placement plate 5 is an arc-shaped curved plate structure. The arc-shaped curved plate structure of the placement plate 5 is interlocked with the blade structure. A cotton pad 3 is glued to the upper side of the placement plate 5. During the process of the upper clamping plate 10 and the lower clamping plate 11 clamping and driving the blade to move, the flexible structure of the cotton pad 3 prevents the upper side of the placement plate 5 from directly contacting and scratching the anti-corrosion paint surface of the blade.

[0029] The specific usage and function of this embodiment are as follows:

[0030] In this invention, when extending and bonding new and old blades, the old and new blades are first placed on the upper sides of two sets of lower clamping plates 11 and placement trays 5, respectively. Then, the controller 18 controls the hydraulic oil supply station 17 to start via wires. The hydraulic oil supply station 17 supplies hydraulic oil to the clamping hydraulic cylinders 6 through oil pipes. The two sets of clamping hydraulic cylinders 6 respectively drive the upper clamping plates 10, which are welded to the lower sides of the two sets of pressure plates 8, to move vertically downwards along the uprights 9. The two sets of upper clamping plates 10 cooperate with the two sets of lower clamping plates 11 to bond the new blade. The blades and old blades are fixedly clamped, and then the controller 18 controls the docking push motor 19 to start via a wire. The docking push motor 19 drives the bidirectional threaded rod 16 to rotate. Since the forward thread end and reverse thread end of the outer side of the bidirectional threaded rod 16 are respectively engaged and connected in the protruding threaded through holes of the two sets of slides 7, and the rollers 21 rotatably connected on the wheel frame 20 are embedded in the long groove of the long through groove wall of the frame 1, the bidirectional threaded rod 16 drives the two sets of slides 7 to move left and right in opposite directions along the long through groove of the frame 1. The two sets of carriages 7 drive the blades held by the upper clamping plate 10 and the lower clamping plate 11 to move synchronously until the bonding surfaces of the new blade and the old blade close and contact each other. At this time, the bonding parts of the new blade and the old blade are deeply inside the heating tank 14. Then, the hydraulic oil supply station 17 delivers hydraulic oil to the pushing hydraulic cylinder 12 through the oil pipe. The pushing hydraulic cylinder 12 pushes the cover plate 15 to move downward until the cover plate 15 is fastened to the top of the heating tank 14 and the upper side of the blade. Then, the controller 18 controls the electric heating tube 22 to start through the wire. The electric heating tube 22 releases heat to raise the temperature of the cover plate 15 and the heating tank 14, so that the adhesive at the bonding parts of the new blade and the old blade is heated and cured quickly. The temperature sensor 23 detects the temperature of the cover plate 15 and the heating tank 14 and transmits the detected temperature data to the controller 18 through the wire. The controller 18 controls the electric heating tube 22 to turn off and start according to the actual internal temperature data to ensure that the adhesive at the bonding parts of the new blade and the old blade is kept within a suitable temperature range for curing.

[0031] All the above components are installed, connected, or set up using common mechanical methods, such as welding, threaded connections, and screw connections. Furthermore, the specific structure, model, and coefficient indicators of all components are based on their own technologies, and any method that achieves the desired beneficial effect can be implemented. The clamping hydraulic cylinder 6, pushing hydraulic cylinder 12, hydraulic oil supply station 17, controller 18, docking pushing motor 19, electric heating element 22, and temperature sensor 23 mentioned above are all common commercially available components. When purchasing and using them, simply connect them according to the instruction manual purchased with the product; therefore, further details are omitted here.

[0032] The technical solution of this utility model is not limited to the scope of the embodiments of this utility model. All technical contents not described in detail in this utility model are known technologies.

Claims

1. A tooling for extending wind turbine blades, comprising a support plate (2); a hydraulic oil supply station (17) is installed on the upper side of the support plate (2); characterized in that: It also includes a frame (1) and a pole (9); a beam plate (13) is welded to the top of the frame (1), a push hydraulic cylinder (12) is installed on the upper side of the beam plate (13), a cover plate (15) is installed at the end of the telescopic rod of the push hydraulic cylinder (12), an electric heating tube (22) is installed on the inner side of the cover plate (15), a docking push motor (19) is installed on the right side of the frame (1), a double threaded rod (16) is installed on the motor shaft of the docking push motor (19), a controller (18) is installed on the front side of the frame (1), a heating groove (14) is welded to the upper side of the frame (1), and the upper side of the frame (1) is... A support plate (4) is welded to the side, and a placement plate (5) is welded to the upper side of the support plate (4); a slide (7) is welded to the top and bottom of the upright (9); a clamping hydraulic cylinder (6) is installed on the upper side of the slide (7); a pressure plate (8) is installed at the end of the telescopic rod of the clamping hydraulic cylinder (6); an upper clamping plate (10) is welded to the lower side of the pressure plate (8); a base (24) is welded to the inner side of the slide (7); a lower clamping plate (11) is welded to the upper side of the base (24); a wheel frame (20) is welded to the lower side and the inner side of the slide (7); and a roller (21) is rotatably connected to the wheel frame (20).

2. The tooling for extending wind turbine blades as described in claim 1, characterized in that: The heating tank (14) is a stainless steel tank structure with an opening on the upper side. Ten sets of electric heating tubes (22) are installed on the inner side of the heating tank (14). A temperature sensor (23) is installed on the front side wall inside the heating tank (14). The interior of the heating tank (14) is hollow, and the interior of the hollow structure of the heating tank (14) is a vacuum environment. The left and right sides of the heating tank (14) near the fixed edge are provided with arc-shaped grooves that run from left to right.

3. The tooling for extending wind turbine blades as described in claim 1, characterized in that: The number of pressure plates (8) is two sets. Each pressure plate (8) has four sets of through holes on its upper side, and four sets of uprights (9) are inserted into the four sets of through holes of the pressure plate (8).

4. The tooling for extending wind turbine blades as described in claim 1, characterized in that: The slide (7) is a rectangular frame structure that runs through the left and right sides. There are two sets of slides (7). The slides (7) are symmetrically distributed on the left and right sides. A cuboid protrusion is provided at the center of the bottom side of the frame structure inside the slide (7). A threaded through hole runs through the left and right sides at the center of the cuboid protrusion. The outer side of the bidirectional threaded rod (16) is connected to the threaded through hole of the cuboid protrusion of the left slide (7) with a forward thread engagement. The outer side of the bidirectional threaded rod (16) is connected to the threaded through hole of the cuboid protrusion of the right slide (7) with a reverse thread engagement.

5. The tooling for extending wind turbine blades as described in claim 1, characterized in that: The front and rear sides of the frame (1) are provided with long through grooves near the bottom. The upper and lower side walls of the long through grooves are provided with long grooves. Each group of six rollers (21) is respectively embedded in the long grooves of the upper and lower side walls of the long through groove of the frame (1).

6. The tooling for extending wind turbine blades as described in claim 1, characterized in that: The placement tray (5) is an arc-shaped curved plate structure, and a cotton pad (3) is glued to the upper side of the placement tray (5).

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