Maintenance device for wind driven generator

Abstract

The utility model relates to the technical field of blade maintenance, in particular to a wind driven generator maintenance device which comprises two arc-shaped platform plates, threaded groove plates are fixedly connected to the two ends of the upper surface of each arc-shaped platform plate, a hanging bracket is fixedly connected to the middle of the upper surface of each arc-shaped platform plate, and the two arc-shaped platform plates are in butt joint to form an annular plate. The lower surface of the arc-shaped platform plate is fixedly connected with three driving assemblies and three falling assemblies, each driving assembly and each falling assembly form one group, and the improved wind driven generator maintenance device is rapidly assembled when needing to be maintained through a separable structure, so that the maintenance efficiency is improved, and the maintenance cost is reduced. By means of the driving and falling assembly, when a worker overhauls the side surface of the blade, maintenance equipment such as a welding device can be temporarily stored, the pressure of a sling of the worker is relieved, safety protection is improved, meanwhile, the welding device can be conveniently moved to conduct effective welding in different areas of the blade, and the maintenance effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of blade maintenance, in particular to a wind turbine maintenance device. Background Art

[0002] Wind turbine blades are the most basic and critical components of wind turbines. Their good design, reliable quality and superior performance are the decisive factors to ensure the normal and stable operation of the unit. In harsh environments and long-term non-stop operation, the design of the blades in wind turbines directly affects the conversion efficiency of wind energy and its annual power generation, and is an important part of wind energy utilization.

[0003] In order to avoid the phenomenon of complete cracking of wind turbine blades during use, daily maintenance of the blades is often required. During the inspection and maintenance process, welding equipment is needed to weld the wind turbine blades.

[0004] In the process of realizing the present invention, it was found that the prior art had the following problems: 1. When inspecting and maintaining the blades, the staff are required to inspect the blades in mid-air using slings. Carrying various maintenance equipment for a long time increases the burden on the staff and makes the operation inconvenient; 2. The welding device used as fuel is also dangerous if it is placed close to the body for a long time. Utility Model Content

[0005] The purpose of the present utility model is to provide a wind turbine maintenance device to solve the problems raised in the above-mentioned background technology that when inspecting and maintaining blades, carrying various maintenance equipment for a long time increases the burden on personnel, makes operation inconvenient, and there is a certain risk when placing the welding device close to the body. Material toggling mechanism, its both ends are connected with the up-down knob.The hinge parts are arranged on the upper surface of the base, and the upper end of the hinge parts are connected with each other with a up-down knob. The upper end of the hinge parts are connected with the upper and lower jaws of the base to form a circuit.

[0006] Further preferably, the drive assembly includes a top seat, the interior of the top seat is rotatably connected to a telescopic rod, one end of the telescopic rod is fixedly connected to a cylinder with a valve, and the other end of the telescopic rod is rotatably connected to a round rod in the connecting seat.

[0007] Further preferably, the falling assembly includes two vertical plates, the upper surfaces of the two vertical plates are fixedly connected to the lower surface of the arc-shaped platform plate, and the opposite sides of the two vertical plates are rotatably connected to an axis rod, the side surface of the axis rod is fixedly connected to one end of the traction rope, and protective covers are sleeved on both ends of the axis rod.

[0008] Further preferably, the clamping assembly includes two side fixed frames and a middle fixed frame, the other end of the traction rope and one side of the connecting seat are respectively fixedly connected to the upper surface and side surface of the side fixed frame and the middle fixed frame, the straight rod surface inside the side fixed frame and the middle fixed frame is rotatably connected with a pulley, the opposite sides of the two side fixed frames are respectively movably connected to the two sides of the middle fixed frame through an arc-shaped telescopic connecting rod, and the opposite sides of the two side fixed frames are respectively movably connected to one end of the plug and the slot joint through the elastic rope in the elastic rope group.

[0009] The top of the sliding panel also is a set of movable lids, and the bottom of the sliding panel also is a set of fixedly mounted on the front of the sliding panel, wherein the positioning plate is fixed on the top of the sliding panel, and the positioning plate is fixed with a pin on the bottom of the sliding panel.

[0010] The lifting of the lifting gear is higher than that of the lifting gear, and the lifting gear is increased in number and is more increased in number than that of the lifting gear.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] In the utility model, the trapezoidal bracket at the bottom of the clamping assembly can be used to temporarily place the welding device when the blade is being repaired. The driving assembly and the falling assembly on the lower surface of the arc-shaped platform plate cooperate with the elastic rope structure in the clamping assembly, so that they can stably fit with the side surface of the blade while falling.

[0013] In the utility model, the detachable structure allows for quick assembly when maintenance is required. The driving and dropping components enable workers to temporarily store maintenance equipment such as welding devices when inspecting the side surface of the blade, thereby alleviating the pressure on the workers' slings and improving safety protection. At the same time, it is convenient to move the welding device to effectively weld in different areas of the blade to ensure the maintenance effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a top view schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a bottom view schematic diagram of the overall structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the driving assembly and the falling assembly of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the connection assembly of the utility model;

[0018] Figure 5 This is an enlarged structural diagram of the plug-in block and slot connector of the utility model;

[0019] Figure 6 This is a schematic diagram of the internal structure of the limit assembly of the utility model;

[0020] Figure 7 This is a side view of the internal structure of the connection component of the present invention.

[0021] In the figure: 1. curved platform plate; 2. threaded groove plate; 3. hanger; 4. drive assembly; 401. top seat; 402. telescopic rod; 403. cylinder with valve; 404. connecting seat; 5. drop assembly; 501. vertical plate; 502. shaft; 503. traction rope; 504. protective cover; 6. clamping assembly; 601. side fixed frame; 602. middle fixed frame; 603. pulley; 604. curved telescopic connecting rod; 605. elastic rope group; 7. ladder bracket; 8. limit assembly; 801. sliding block; 802. long Frame; 803, fixed rotating drum; 804, inner rod; 805, rope; 806, special-shaped frame; 807, elliptical gasket; 808, inner gear; 9, connecting assembly; 901, movable seat; 902, vertical block; 903, placement rod; 904, air supply frame; 905, retractor; 906, fuel tank; 907, rotating rod; 908, elastic spring; 909, air pipe; 9010, grab rod; 9011, L-shaped hook; 10, welding gun; 11, plug-in block; 12, slot connector; 13, auxiliary wheel; 14, clamping rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only 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 technical personnel in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0023] See also Figures 1 to 7 The utility model provides a technical solution: a wind turbine maintenance device, comprising two arc-shaped platform plates 1, both ends of the upper surface of the arc-shaped platform plate 1 are fixedly connected with a threaded groove plate 2, the middle part of the upper surface of the arc-shaped platform plate 1 is fixedly connected with a hanger 3, and the two arc-shaped platform plates 1 are butted to form a circular ring plate, and the lower surface of the arc-shaped platform plate 1 is fixedly connected with three driving assemblies 4 and a falling assembly 5, and each driving assembly 4 and the falling assembly 5 are a group, one end of the driving assembly 4 is fixedly connected to the side of the clamping assembly 6, and the top of the clamping assembly 6 is fixedly connected with four trapezoidal brackets 7, the slide rail on the lower surface of the arc-shaped platform plate 1 is slidably connected to the limiting assembly 8, the hook groove of the trapezoidal bracket 7 is clamped with a connecting assembly 9, a welding gun 10 is provided on the connecting assembly 9, and the shaft seat at the top of the connecting assembly 9 is movably connected to the limiting assembly 8, and the two ends of the clamping assembly 6 are respectively sleeved with an insert block 11 and a slot joint 12, and the opposite side shaft of the insert block 11 and the slot joint 12 is connected with an auxiliary wheel 13.

[0024] In this embodiment, Figure 3As shown, the drive assembly 4 includes a top seat 401, and the top seat 401 is internally rotatably connected to a telescopic rod 402, one end of the telescopic rod 402 is fixedly connected to a valve cylinder 403, and the other end of the telescopic rod 402 is rotatably connected to the round rod in the connecting seat 404.

[0025] In this embodiment, Figure 3 As shown, the falling assembly 5 includes two vertical plates 501, the upper surfaces of the two vertical plates 501 are fixedly connected to the lower surface of the arc-shaped platform plate 1, and the opposite sides of the two vertical plates 501 are rotatably connected with an axis rod 502, the side surface of the axis rod 502 is fixedly connected to one end of the traction rope 503, and the two ends of the axis rod 502 are sleeved with protective covers 504.

[0026] In this embodiment, Figure 3 As shown, the clamping assembly 6 includes two side fixed frames 601 and a middle fixed frame 602, the other end of the traction rope 503 and one side of the connecting seat 404 are respectively fixedly connected to the upper surface and side surface of the side fixed frame 601 and the middle fixed frame 602, the straight rod surface inside the side fixed frame 601 and the middle fixed frame 602 is rotatably connected with a pulley 603, the opposite sides of the two side fixed frames 601 are respectively movably connected to the two sides of the middle fixed frame 602 through an arc-shaped telescopic connecting rod 604, and the opposite sides of the two side fixed frames 601 are respectively movably connected to one end of the plug 11 and the slot joint 12 through the elastic rope in the elastic rope group 605.

[0027] In this embodiment, Figure 6 As shown, the limiting assembly 8 includes a sliding block 801, the side of the sliding block 801 is slidably connected to the slide rail on the lower surface of the arc-shaped platform plate 1, the lower surface of the sliding block 801 is fixedly connected to a long frame 802, the arc-shaped platform plate 1 is interspersed with a card rod 14 and one end of the card rod 14 is inserted into the slot plate on one side of the long frame 802, the side inner wall of the long frame 802 is fixedly connected to a fixed rotating cylinder 803, and the inner wall of the fixed rotating cylinder 803 is penetrated and connected to the inner rod 80 4. The side surface of the fixed drum 803 is movably connected to one end of the rope 805. The side surfaces of both ends of the fixed drum 803 are sleeved with special-shaped frames 806. An elliptical gasket 807 is clamped in the notch at one end of the inner rod 804, and the side of the elliptical gasket 807 is provided with tooth marks. The special-shaped frame 806 is fixedly connected to an inner tooth piece 808 on one side of the elliptical gasket 807. The opposite sides of the fixed drum 803 and the inner rod 804 are respectively connected to the two ends of the coil spring.

[0028] In this embodiment, Figure 4As shown, the connecting assembly 9 includes a movable seat 901, the side surface of the fixed rod in the movable seat 901 is sleeved with the other end of the rope 805, the lower surface of the movable seat 901 is fixedly connected to a vertical block 902, both sides of the vertical block 902 are fixedly connected to a placement rod 903, the upper and lower sides of one end of the vertical block 902 are respectively fixedly connected to an air supply frame 904 and a retractor 905, the interior of the air supply frame 904 is penetrated and connected to a fuel tank 906, the top inner wall and the bottom inner wall of the retractor 905 are respectively connected to the upper and lower sides of the rotating rod 907 The ends are fixedly connected, the two ends of the rotating rod 907 are fixedly connected with elastic rotating springs 908, the side surface of the rotating rod 907 is wrapped with an air pipe 909, the two ends of the air pipe 909 respectively pass through the left side and the front side of the retractor 905 and are fixedly connected to the gas supply port of the fuel tank 906 and the air inlet of the welding gun 10, both sides of the retractor 905 are fixedly connected with a grab bar 9010, the lower surface of the retractor 905 is fixedly connected with an L-shaped hook frame 9011, and the welding gun 10 is clamped in the hook groove of the L-shaped hook frame 9011.

[0029] The use method and advantages of the utility model: When the wind turbine maintenance device is used, the working process is as follows:

[0030] like Figure 1 、 Figures 2 to 7As shown, first use a crane to lift two curved platform plates 1 through the hanger 3 and place them on the root of the blade, use bolts to pass through the threaded groove plate 2 to fix the two curved platform plates 1, then pull out the clamping rod 14, so that the sliding block 801 can slide freely in the slide rail on the lower surface of the curved platform plate 1, pull the plug block 11 along the side surface of the blade and insert it into the groove of the slot joint 12 to fix it, so that the auxiliary wheel 13 fits the surface of the blade, and after fixing the clamping assembly 6, use the elastic rope in the elastic rope group 605 to tie it tightly to the blade, so that the pulley 603 also fits the surface of the blade. At this time, the valve cylinder 403 is started to make the side fixed frame 601 and the middle fixed frame 602 connected to the telescopic rod 402 begin to fall. At this time, according to the width of the blade, the curved telescopic connecting rod 604 and the elastic rope group 605 can be adjusted according to the size of the blade, and the traction rope 503 connected to the top of the side fixed frame 601 and the middle fixed frame 602 can enhance safety protection. The driving assembly 4 pushes the clamping assembly 6 to fall slowly. When the vertical block 902 in the hook groove of the trapezoidal bracket 7 falls too fast, the rope 805 will pull the inner rod 804 in the fixed rotating cylinder 803 to deflect. At this time, the elliptical gasket 807 will deflect to one side until it is stuck in the inner tooth piece 808 and locked. When welding is needed, hold the handle of the welding gun 10 and take it out from the L-shaped hook 9011, and pull out the air pipe 909 from the surface of the rotating rod 907 of the retractor 905. When the air pipe 909 is long, When the degree is not enough, grab the grab bar 9010 to allow the placement rods 903 on both sides of the vertical block 902 to detach from the trapezoidal bracket 7. When the vertical block 902 moves, the sliding block 801 connected by the rope 805 slides together on the slide rail on the lower surface of the arc-shaped platform plate 1, and the retractor 905 is placed in the groove in the trapezoidal bracket 7 closest to the welding point. The fuel pipe 906 in the air supply frame 904 can provide power. At the same time, different maintenance equipment can also be hung on the trapezoidal bracket 7, which expands the scope of application of the equipment.

[0031] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A wind turbine maintenance device comprising two curved platform plates (1), characterized in that: Both ends of the upper surface of the arc-shaped platform plate (1) are fixedly connected to a threaded groove plate (2), the middle of the upper surface of the arc-shaped platform plate (1) is fixedly connected to a hanger (3), and the two arc-shaped platform plates (1) are butted together to form a circular ring plate, and the lower surface of the arc-shaped platform plate (1) is fixedly connected to three driving components (4) and falling components (5), and each driving component (4) and falling component (5) form a group, one end of the driving component (4) is fixedly connected to the side of the clamping component (6), and the top of the clamping component (6) is fixedly connected to the lower surface of the arc-shaped platform plate (1). Four trapezoidal brackets (7) are connected, and a limited position assembly (8) is slidably connected in the slide rail on the lower surface of the arc-shaped platform plate (1), a connecting assembly (9) is clamped in the hook groove of the trapezoidal bracket (7), a welding gun (10) is provided on the connecting assembly (9), and the limited position assembly (8) is movably connected in the shaft seat at the top of the connecting assembly (9), and the two ends of the clamping assembly (6) are respectively sleeved with an insert block (11) and a slot joint (12), and an auxiliary wheel (13) is connected to the shaft on the opposite side of the insert block (11) and the slot joint (12).

2. A wind turbine maintenance device according to claim 1, characterized in that: The driving assembly (4) comprises a top seat (401), wherein a telescopic rod (402) is rotatably connected to the interior of the top seat (401), one end of the telescopic rod (402) is fixedly connected to a cylinder (403) with a valve, and the other end of the telescopic rod (402) is rotatably connected to a round rod in a connecting seat (404).

3. The wind turbine maintenance device according to claim 1, characterized in that: The drop assembly (5) comprises two vertical plates (501), the upper surfaces of the two vertical plates (501) are fixedly connected to the lower surface of the arc-shaped platform plate (1), and the two vertical plates (501) are rotatably connected to the opposite sides thereof with a shaft rod (502), the side surface of the shaft rod (502) is fixedly connected to one end of a traction rope (503), and protective covers (504) are sleeved on both ends of the shaft rod (502).

4. A wind turbine maintenance device according to claim 3, characterized in that: The clamping assembly (6) comprises two side fixed frames (601) and a middle fixed frame (602); the other end of the traction rope (503) and one side of the connecting seat (404) are fixedly connected to the upper surface and side surface of the side fixed frames (601) and the middle fixed frame (602), respectively; the straight rod surfaces inside the side fixed frames (601) and the middle fixed frame (602) are rotatably connected to pulleys (603); the opposite sides of the two side fixed frames (601) are movably connected to the two sides of the middle fixed frame (602) through arc-shaped telescopic connecting rods (604), and the opposite sides of the two side fixed frames (601) are movably connected to one end of the plug block (11) and the slot joint (12) through the elastic rope in the elastic rope group (605).

5. The wind turbine maintenance device according to claim 1, characterized in that: The limiting assembly (8) includes a sliding block (801), the side surface of the sliding block (801) is slidably connected to the slide rail on the lower surface of the arc-shaped platform plate (1), the lower surface of the sliding block (801) is fixedly connected to a long frame (802), the arc-shaped platform plate (1) is connected with a clamping rod (14) and one end of the clamping rod (14) is inserted into a slot plate on one side of the long frame (802), the inner wall of the side of the long frame (802) is fixedly connected to a fixed rotating drum (803), and the inner wall of the fixed rotating drum (803) is connected to an inner rod (804) through ), the side surface of the fixed rotating drum (803) is movably connected to one end of the rope (805), the side surfaces of both ends of the fixed rotating drum (803) are sleeved with special-shaped frames (806), an elliptical gasket (807) is clamped in the notch at one end of the inner rod (804), and the side of the elliptical gasket (807) is provided with tooth marks, the special-shaped frame (806) is fixedly connected to an inner tooth piece (808) on one side of the elliptical gasket (807), and the opposite sides of the fixed rotating drum (803) and the inner rod (804) are respectively connected to the two ends of the coil spring.

6. The wind turbine maintenance device according to claim 5, characterized in that: The connecting assembly (9) comprises a movable seat (901), the side surface of the fixed rod in the movable seat (901) is sleeved with the other end of the rope (805), the lower surface of the movable seat (901) is fixedly connected to a vertical block (902), both sides of the vertical block (902) are fixedly connected to a placement rod (903), the upper and lower sides of one end of the vertical block (902) are respectively fixedly connected to an air supply frame (904) and a retractor (905), the interior of the air supply frame (904) is penetrated and connected to a fuel tank (905), and the fuel tank (905) is fixedly connected to the upper and lower sides of the one end of the vertical block (902). 06), the top inner wall and the bottom inner wall of the retractor (905) are fixedly connected to the upper and lower ends of the rotating rod (907), the two ends of the rotating rod (907) are fixedly connected with elastic rotating springs (908), the side surface of the rotating rod (907) is wrapped with an air pipe (909), the two ends of the air pipe (909) respectively pass through the left side and the front side of the retractor (905) and are fixedly connected to the gas delivery port of the fuel tank (906) and the air inlet of the welding gun (10), and both sides of the retractor (905) are fixed. The lower surface of the retractor (905) is fixedly connected with an L-shaped hook frame (9011). The welding gun (10) is clamped in the hook groove of the L-shaped hook frame (9011).

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