Blade locking device of wind generating set

Abstract

The utility model discloses a blade locking device of a wind generating set, which is applied to the field of locking devices and comprises a mounting plate, the top of the mounting plate is fixedly connected with a stabilizing seat, the inside of the stabilizing seat is rotatably connected with a screw rod through a bearing, and the surface of the screw rod is in threaded connection with a locking block; a second bevel gear, a rotating rod and a first bevel gear are arranged on the surface of the lead screw, the first bevel gear is meshed with the second bevel gear, the rotation direction of the lead screw is changed through the connection relation between the first bevel gear and the second bevel gear, and a worker can conveniently drive the lead screw to rotate on the back face of an inner ring gear; and the situation that only half-circle rotation can be conducted on the side face does not exist, the locking speed of the locking block and the inner ring gear is increased, efficiency is improved, and meanwhile convenience is improved. And the stable seat is matched with a plurality of bearings to limit the rotating positions of the rotating rod and the screw rod, so that the stability of the rotating rod and the screw rod during working can be effectively ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of locking device, especially a wind turbine blade locking device. BACKGROUND

[0002] The wind turbine blade locking device comprises a blade and a hub body for fixing the blade, the hub body is provided with an inner ring gear, and the locking device is used for limiting the inner ring gear to realize the locking of the wind turbine blade.

[0003] At present, the utility model with the publication number CN220705836U discloses a wind turbine blade locking device, the existing device needs to rotate the screw rod from the side to realize the position adjustment of the locking block, but the rotation is blocked by the hub body of the wind turbine blade, and only half a circle can be rotated by using a wrench at a time, so the use is inconvenient, and the rotation speed is slow and the efficiency is low. UTILITY MODEL CONTENTS

[0004] The utility model discloses a wind turbine blade locking device, which has the advantages of facilitating the rotation of the screw rod.

[0005] The utility model discloses a wind turbine blade locking device, which has the advantages of facilitating the rotation of the screw rod.

[0006] The utility model discloses a wind turbine blade locking device, which has the advantages of facilitating the rotation of the screw rod.

[0007] The utility model further provides that one side of the locking block is fixedly connected with two guide rods, and the surface of the guide rod is slidably connected with a guide sleeve.

[0008] The above technical scheme is adopted, the guide rod and the guide sleeve are arranged for limiting the locking block, so that the locking block cannot rotate with the screw rod, and the guide sleeve is also used for linearly guiding the reciprocating movement of the locking block.

[0009] The utility model further provides: One side of locking block is engaged with the inner ring gear, one side of inner ring gear is fixedly connected with the wheel hub body.

[0010] The above technical scheme is adopted, the inner ring gear is used for engaging with the locking block, the wheel hub body cannot rotate by engaging the locking block with the inner ring gear, the wheel hub body is used for connecting the blade and supporting and fixing the inner ring gear, and is used for connecting the output end of the wind power generation device, and the blade rotation can provide power output for the wind power generation device.

[0011] The utility model further provides: The top of rotating rod is installed with rotating block, and the top of stabilizing seat is not in contact with rotating block.

[0012] The above technical scheme is adopted, the rotating block is arranged, and the rotating rod can be rotated by inserting the hexagon wrench into the rotating block.

[0013] The utility model further provides: The inside of mounting plate is connected with four mounting bolts, and the four mounting bolts are all in threaded connection with the wheel hub body.

[0014] The above technical scheme is adopted, the mounting bolt is arranged, and the position of the mounting plate is limited after being in threaded connection with the wheel hub body.

[0015] The utility model further provides: The guide sleeve is located on the mounting plate, and the side close to the mounting plate of the guide sleeve is fixedly connected with the mounting plate.

[0016] The above technical scheme is adopted, the guide sleeve is fixedly connected with the mounting plate, the guide sleeve is supported and fixed by the mounting plate, the guide sleeve is supported by the guide rod at the fixed position, and the guide rod can stably reciprocate at the fixed position.

[0017] In summary, the utility model has the following beneficial effects:

[0018] The utility model discloses a conical gear two is arranged on the surface of the screw rod, the rotating rod and the conical gear one are rotated, the conical gear one and the conical gear two are engaged, the connecting relationship of the conical gear one and the conical gear two changes the direction of the rotation of the screw rod, the screw rod is driven and rotated on the back of the inner ring gear by the staff, the rotation of only half circle on the side is not existed, the locking block and the inner ring gear are locked, the speed is accelerated, the efficiency is improved, and the convenience is also increased.

[0019] And cooperate with the stable seat collocates multiple bearings to limit the rotating position of the rotating rod and the screw rod, can effectively guarantee the stability of the rotating rod and the screw rod when working. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the structure of the utility model;

[0021] Figure 2 is the schematic view of the bevel gear one and the bevel gear two of the utility model;

[0022] Figure 3 is the schematic view of the structure and the inner ring gear locking of the utility model.

[0023] Reference signs: 1, mounting plate; 2, stable seat; 3, screw rod; 4, locking block; 5, rotating rod; 6, bevel gear one; 7, bevel gear two; 8, guide rod; 9, guide sleeve; 10, inner ring gear; 11, wheel hub body; 12, mounting bolt. DETAILED DESCRIPTION

[0024] The utility model will be further explained in detail in combination with the drawings.

[0025] Example 1:

[0026] Reference Figure 1 、 Figure 2 and Figure 3 A wind turbine blade locking device, comprising a mounting plate 1, the top of the mounting plate 1 is fixedly connected with a stable seat 2, the inside of the stable seat 2 is rotatably connected with a screw rod 3 through a bearing, the surface of the screw rod 3 is threadedly connected with a locking block 4, the top of the stable seat 2 is rotatably connected with a rotating rod 5 through a bearing, the surface of the rotating rod 5 is fixedly sleeved with a bevel gear one 6, and the surface of the screw rod 3 is fixedly sleeved with a bevel gear two 7 engaged with the bevel gear one 6;By setting the bevel gear two 7 on the surface of the screw rod 3, rotating the rotating rod 5 and the bevel gear one 6, engaging the bevel gear one 6 and the bevel gear two 7, and changing the direction of rotation of the screw rod 3 by the connecting relationship of the bevel gear one 6 and the bevel gear two 7, the staff can conveniently drive the screw rod 3 to rotate on the back of the inner ring gear 10, there is no rotation of only half a circle on the side, the speed of locking the locking block 4 and the inner ring gear 10 is accelerated, the efficiency is improved, and convenience is also increased.

[0027] And cooperate with the stable seat 2 collocates multiple bearings to limit the rotating position of the rotating rod 5 and the screw rod 3, can effectively guarantee the stability of the rotating rod 5 and the screw rod 3 when working.

[0028] Further, one side of the locking block 4 is fixedly connected with two guide rods 8, the surface of the guide rod 8 is slidingly connected with a guide sleeve 9, through the arrangement of the guide rod 8 and the guide sleeve 9, the locking block 4 is limited, so that the locking block 4 does not rotate with the lead screw 3 when the lead screw 3 rotates, and the reciprocating movement of the locking block 4 is linearly guided.

[0029] Further, one side of the locking block 4 is engaged with an inner ring gear 10, one side of the inner ring gear 10 is fixedly connected with a hub body 11, through the arrangement of the inner ring gear 10 and the hub body 11, the inner ring gear 10 is used for engaging with the locking block 4, and the hub body 11 cannot rotate by engaging the inner ring gear 10 with the locking block 4; the hub body 11 is used for connecting the blades and supporting and fixing the inner ring gear 10, and is used for connecting the output end of the wind power generation device, and the blades can be rotated to provide power output for the wind power generation device.

[0030] Further, the top end of the rotating rod 5 is provided with a rotating block, and the top of the stabilizing seat 2 is not in contact with the rotating block. Through the arrangement of the rotating block, the rotating rod 5 can be rotated by inserting a hexagonal wrench into the rotating block.

[0031] Further, the inside of the mounting plate 1 is threadedly connected with four mounting bolts 12, and the four mounting bolts 12 are all threadedly connected with the hub body 11. Through the arrangement of the mounting bolt 12, the position of the mounting plate 1 is limited after being threadedly connected with the hub body 11.

[0032] Further, the guide sleeve 9 is located on the mounting plate 1, and the side of the guide sleeve 9 close to the mounting plate 1 is fixedly connected with the mounting plate 1. Through the fixed connection of the guide sleeve 9 and the mounting plate 1, the mounting plate 1 can support and fix the guide sleeve 9, so that the guide rod 8 can be stably reciprocated in the fixed position.

[0033] Brief description of the use process: when in use, the mounting plate 1 is installed on the hub body 11 through the mounting bolt 12.

[0034] The front surface of the hub body 11 is exposed outside and needs to be installed with blades, and the back surface is located inside the wind power generation device.

[0035] When the blades need to be locked, the locking block 4 and the inner ring gear 10 are only needed to be engaged and locked, and the hub body 11 cannot rotate, and the blades on the surface of the hub body 11 cannot rotate.

[0036] First need to use the hexagonal bolt inserted to the inside of the rotating block at the top end of the rotating rod 5 on the back of the hub body 11, then rotate the rotating block, let the rotating block drive the rotating rod 5 to rotate under the cooperation of the bearing, the rotating rod 5 will drive the conical gear one 6 to rotate when rotating, and the conical gear one 6 and the conical gear two 7 are engaged, the conical gear one 6 rotates and can drive the conical gear two 7 to rotate the lead screw 3 inside it;

[0037] By the clockwise rotation of the lead screw 3 under the guidance of the two guide rods 8 and the two guide sleeves 9, the lead screw 3 will be threadedly connected with the locking block 4;

[0038] When the lead screw 3 rotates clockwise, the locking block 4 threadedly connected with it will be driven away from the inner ring gear 10 by the lead screw 3; when the lead screw 3 rotates counterclockwise, the locking block 4 threadedly connected with it will be driven to approach the inner ring gear 10 by the lead screw 3 until it is engaged with the inner ring gear 10 to lock, so as to realize the locking work of the inner ring gear 10, the hub body 11 and the blade installed on the surface of the hub body 11.

[0039] When the rotating rod 5 and the lead screw 3 rotate, the stable seat 2 and the bearing inside it will ensure that the rotating rod 5 and the lead screw 3 are stable when rotating, limit the position of the rotating rod 5 and the lead screw 3, so as to limit the conical gear one 6 and the conical gear two 7 from being separated.

[0040] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A wind turbine blade locking device comprising a mounting plate (1), characterized in that: The top of mounting plate (1) is fixedly connected with stabilizing seat (2), the inside of stabilizing seat (2) is rotatably connected with lead screw (3) through bearing, the surface of lead screw (3) is threadedly connected with locking block (4), the top of stabilizing seat (2) is rotatably connected with rotating rod (5) through bearing, the surface of rotating rod (5) is fixedly sleeved with bevel gear one (6), the surface of lead screw (3) is fixedly sleeved with bevel gear two (7) engaged with bevel gear one (6).

2. A wind turbine blade locking device according to claim 1, characterized in that: One side of locking block (4) is fixedly connected with two guide rods (8), the surface of guide rod (8) is slidably connected with guide sleeve (9).

3. A wind turbine blade locking device according to claim 1, characterized in that: One side of locking block (4) is engaged with inner ring gear (10), one side of inner ring gear (10) is fixedly connected with hub body (11).

4. A wind turbine blade locking device according to claim 1, characterized in that: The top end of rotating rod (5) is provided with rotating block, the top of stabilizing seat (2) is not in contact with rotating block.

5. A wind turbine blade locking device according to claim 3, wherein: The inside of mounting plate (1) is threadedly connected with four mounting bolts (12), four mounting bolts (12) are all threadedly connected with hub body (11).

6. A wind turbine blade locking device according to claim 2, characterized in that: The guide sleeve (9) is located on mounting plate (1), one side of guide sleeve (9) close to mounting plate (1) is fixedly connected with mounting plate (1). The top of mounting plate (1) is fixedly connected with stabilizing seat (2), the inside of stabilizing seat (2) is rotatably connected with lead screw (3) through bearing, the surface of lead screw (3) is threadedly connected with locking block (4), the top of stabilizing seat (2) is rotatably connected with rotating rod (5) through bearing, the surface of rotating rod (5) is fixedly sleeved with bevel gear one (6), the surface of lead screw (3) is fixedly sleeved with bevel gear two (7) engaged with bevel gear one (6).

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