CN217751143U - Positioning device for wind power blade - Google Patents

Abstract

The utility model discloses a positioning device for wind power blades, which comprises an inserting barrel and a connecting barrel. The connecting barrel is rotatably connected to the inside of the inserting barrel. The advantages of the utility model: the connecting cylinder is installed in the inserting cylinder, and the friction pad on the surface of the connecting cylinder makes the installation of the connecting cylinder more stable; The jack is aligned with the slot, and then by controlling the forward and reverse rotation of the motor, the threaded block drives the locking rod on the connecting rod to move, and the locking rod is inserted through the jack and the end of the locking rod is inserted into the socket. In this way, the connecting cylinder and the inserting cylinder can be locked. Compared with the rivet or welding method, the locking component can achieve a more stable connection method, which will not be damaged due to weather, so it can effectively reduce the There is a risk of falling.

Description

Positioning device for wind turbine blades

technical field

The utility model relates to the technical field of wind power generation, in particular to a positioning device for wind power blades.

Background technique

Convert the kinetic energy of the wind into mechanical kinetic energy, and then convert the mechanical energy into electrical kinetic energy, which is wind power generation. The principle of wind power generation is to use the wind to drive the blades of the windmill to rotate, and then increase the speed of rotation through the speed increaser to drive the generator to generate electricity. The devices required for wind power generation are called wind turbines. This kind of wind turbine can be roughly divided into three parts: wind turbine blades, generators and towers. Wind turbine blades are the core components of wind turbines that convert natural wind energy into electrical energy for wind turbines, and are also the main basis for measuring the design and technical level of wind turbines.

However, most of the existing wind turbine blades are installed by rivets or welding, but the connection will be corroded due to the weather. In severe cases, the wind turbine blades may fall off from the transmission shaft, which will cause major losses. .

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a positioning device for wind power blades.

In order to achieve the above object, the utility model provides the following technical solutions:

A positioning device for wind power blades, comprising a socket and a connecting cylinder, the connecting cylinder is rotatably connected to the inside of the socket, a positioning assembly is provided on the surface of the connecting cylinder, and a positioning groove is opened on the inner wall of the socket, so that A locking assembly is arranged inside the connecting cylinder, an insertion hole is opened on the surface of the connecting cylinder, and a slot is opened on the inner wall of the inserting cylinder.

Preferably, the locking assembly includes a bearing seat, a mounting frame is fixedly connected to the inside of the connecting cylinder, two bearing seats are symmetrically arranged at the bottom of the mounting frame, and a two-way A threaded rod, a group of threaded blocks are symmetrically arranged on the surface of the two-way threaded rod, a connecting rod is fixedly connected to the bottom of the threaded block, and a locking rod is fixedly connected to one side of the connecting rod.

Preferably, a forward and reverse motor is fixedly installed on the top of the installation frame, the output end of the forward and reverse motor is fixedly connected with a driving bevel gear, and the middle part of the two-way threaded rod is fixedly connected with a driven bevel gear. The driving bevel gear is engaged with the driven bevel gear.

Preferably, a guide rod is fixedly connected to the inside of the connecting cylinder, and a guide sleeve is slidably connected to the surface of the guide rod, and the guide sleeve is fixedly connected to the connecting rod.

Preferably, the positioning assembly includes a mounting slot, a spring is fixedly installed inside the mounting slot, a positioning block is fixedly connected to one end of the spring, and an end of the positioning block is snapped into the positioning slot.

Preferably, guide grooves are provided on both sides of the installation groove, guide blocks are fixedly connected to both sides of the positioning block, and the guide blocks are slidably connected inside the guide groove.

The beneficial effects of the utility model are: the positioning device for wind power blades provided by the utility model, by installing the connecting cylinder in the inserting cylinder, cooperating with the friction pad on the surface of the connecting cylinder makes the installation of the connecting cylinder more stable, and rotating the connecting cylinder makes the installation more stable. The positioning block in the positioning component can be snapped into the positioning slot, so that the socket can be aligned with the slot, and then the forward and reverse motor is controlled to run, and the forward and reverse motor drives the driving bevel gear to rotate, so that it can drive the driving bevel gear The driven bevel gear of meshing connection rotates, so that the two-way threaded rod rotates between the bearing seats, and the threaded block can be adjusted so that the threaded block drives the locking rod on the connecting rod to move, and the locking rod passes through the socket And the end of the locking rod is inserted into the slot, so that the connecting tube and the inserting tube can be locked, which can effectively prevent the connecting tube from falling off from the inserting tube. Compared with the rivet or welding method, through The locking component can achieve a more stable connection mode, and will not be damaged due to weather, so that the risk of falling can be effectively reduced, and the disassembly and assembly are convenient for maintenance.

Description of drawings

Fig. 1 is the basic structural representation of the utility model;

Fig. 2 is an enlarged view of the structure of part A in Fig. 1 of the present utility model.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model.

As shown in Fig. 1-Fig. 2, a positioning device for wind power blades provided by the utility model includes an inserting sleeve 1 and a connecting sleeve 2, the connecting sleeve 2 is rotatably connected inside the inserting sleeve 1, and the surface of the connecting sleeve 2 is provided with The friction pad 3 cooperates with the friction pad 3 on the surface of the connecting cylinder 2 to make the installation of the connecting cylinder 2 more stable. The surface of the connecting cylinder 2 is provided with a positioning component 11, and the inner wall of the inserting cylinder 1 is provided with a positioning groove 10. Rotating the connecting cylinder 2 makes the positioning component The positioning block 113 in 11 can be clamped in the positioning groove 10, the inside of the connecting cylinder 2 is provided with a locking assembly 5, the surface of the connecting cylinder 2 is provided with a socket 8, and the inner wall of the inserting cylinder 1 is provided with a slot 9. The jack 8 is aligned with the slot 9, and by controlling the operation of the forward and reverse motor 51, the forward and reverse motor 51 drives the driving bevel gear 56 to rotate, thereby driving the driven bevel gear 55 meshed with the driving bevel gear 56 to rotate, so that the two-way The threaded rod 53 rotates between the bearing blocks 52, and the threaded block 54 can be adjusted so that the threaded block 54 drives the locking rod 58 on the connecting rod 57 to move, and the locking rod 58 passes through the jack 8 and makes the lock The end of the tight rod 58 is plugged into the slot 9, so that the connecting tube 2 and the inserting tube 1 can be locked, and the connecting tube 2 can be effectively prevented from falling off from the inserting tube 1.

The locking assembly 5 includes a bearing seat 52, the inside of the connecting cylinder 2 is fixedly connected with the installation frame 4, and the two bearing seats 52 are symmetrically arranged at the bottom of the installation frame 4, and a two-way threaded rod 53 is rotationally connected between the two bearing seats 52, The surface of the two-way threaded rod 53 is symmetrically provided with a group of threaded blocks 54, the bottom of the threaded block 54 is fixedly connected with a connecting rod 57, and one side of the connecting rod 57 is fixedly connected with a locking rod 58, so that the two-way threaded rod 53 is mounted on the bearing seat 52. The inner side is rotated, so that the position of the threaded block 54 can be adjusted, so that the threaded block 54 drives the locking rod 58 through the connecting rod 57 to lock the connecting cylinder 2 and the inserting cylinder 1 .

The top of mounting frame 4 is fixedly installed with forward and reverse motor 51, and the output end of forward and reverse motor 51 is fixedly connected with driving bevel gear 56, and the middle part of bidirectional threaded rod 53 is fixedly connected with driven bevel gear 55, and driving bevel gear 56 and The driven bevel gear 55 is meshed and connected, and the forward and reverse motor 51 is opened, and the forward and reverse motor 51 drives the driving bevel gear 56 to rotate, so that the driven bevel gear 55 that is meshed with the driving bevel gear 56 can be driven to rotate, so that the Turn the two-way threaded rod 53.

The inside of connecting cylinder 2 is fixedly connected with guide rod 6, and the surface of guide rod 6 is slidably connected with guide sleeve 7, and guide sleeve 7 is fixedly connected with connecting rod 57, and when connecting rod 57 moves under the drive of threaded block 54, it can drive The guide sleeve 7 slides on the surface of the guide rod 6, so that the movement of the threaded block 54 is more stable and smooth.

The positioning assembly 11 includes a mounting groove 111, a spring 112 is fixedly installed inside the mounting groove 111, and one end of the spring 112 is fixedly connected with a positioning block 113, and the end of the positioning block 113 is clamped in the positioning groove 10, under the action of the spring 112 , the end of the positioning block 113 can be snapped into the positioning groove 10, so that the positions of the socket 8 and the slot 9 can be aligned.

Both sides of installation groove 111 are provided with guide groove 114, and the both sides of positioning block 113 are fixedly connected with guide block 115, and guide block 115 is slidably connected in the inside of guide groove 114, when positioning block 113 under the effect of spring 112 in installation groove When sliding in 111, the guide block 115 can be driven to slide inside the guide groove 114, the movement of the positioning block 113 can be guided, and the positioning block 113 can also be prevented from falling off from the inside of the installation groove 111.

Working principle: install the connecting cylinder 2 in the inserting cylinder 1, cooperate with the friction pad 3 on the surface of the connecting cylinder 2 to make the installation of the connecting cylinder 2 more stable, and turn the connecting cylinder 2 so that the positioning block 113 in the positioning component 11 can be snapped into the positioning groove 10, so that the jack 8 can be aligned with the slot 9, and then the forward and reverse motor 51 is controlled to run, and the forward and reverse motor 51 drives the driving bevel gear 56 to rotate, thereby driving the driven bevel gear 56 meshed with the driving bevel gear 56 to rotate. The bevel gear 55 rotates, so that the two-way threaded rod 53 rotates between the bearing blocks 52, and the threaded block 54 can be adjusted so that the threaded block 54 drives the locking rod 58 on the connecting rod 57 to move, and the connecting rod 57 is locked on the threaded block. When moving under the drive of 54, the guide sleeve 7 can be driven to slide on the surface of the guide rod 6, so that the movement of the threaded block 54 is more stable and smooth, and the locking rod 58 passes through the jack 8 and makes the locking rod 58 The end is plugged into the slot 9, so that the connecting barrel 2 and the inserting barrel 1 can be locked, which can effectively prevent the connecting barrel 2 from falling off from the inserting barrel 1. Compared with the rivet or welding method, through the lock The tight assembly 5 can achieve a more stable connection mode, and will not be damaged due to weather, thereby effectively reducing the risk of falling, and is convenient for disassembly and maintenance.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the utility model Under the premise of the spirit and scope, the utility model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A positioning device for wind power blades, comprising an inserting sleeve (1) and a connecting sleeve (2), characterized in that: the connecting sleeve (2) is rotatably connected inside the inserting sleeve (1), and the connecting sleeve ( 2) is provided with a positioning component (11) on the surface, the inner wall of the insertion tube (1) is provided with a positioning groove (10), and the inside of the connecting cylinder (2) is provided with a locking component (5). Jack holes (8) are opened on the surface of the barrel (2), and slots (9) are opened on the inner wall of the insertion barrel (1). 2. A positioning device for wind power blades according to claim 1, characterized in that: the locking assembly (5) includes a bearing seat (52), and the inside of the connecting cylinder (2) is fixedly connected with a mounting bracket (4), the two bearing seats (52) are arranged symmetrically at the bottom of the mounting frame (4), and a two-way threaded rod (53) is rotationally connected between the two bearing seats (52), and the two-way threaded rod A group of threaded blocks (54) are arranged symmetrically on the surface of (53), the bottom of the threaded block (54) is fixedly connected with a connecting rod (57), and one side of the connecting rod (57) is fixedly connected with a locking rod ( 58). 3. The positioning device for wind power blades according to claim 2, characterized in that: a forward and reverse motor (51) is fixedly installed on the top of the mounting frame (4), and the forward and reverse motor (51) The output end is fixedly connected with a driving bevel gear (56), the middle part of the two-way threaded rod (53) is fixedly connected with a driven bevel gear (55), and the driving bevel gear (56) and the driven bevel gear (55) Mesh connection. 4. The positioning device for wind power blades according to claim 2, characterized in that: a guide rod (6) is fixedly connected inside the connecting cylinder (2), and the surface of the guide rod (6) is slidingly connected There is a guide sleeve (7), and the guide sleeve (7) is fixedly connected with the connecting rod (57). 5. The positioning device for wind power blades according to claim 1, characterized in that: the positioning assembly (11) includes a mounting groove (111), and a spring (112) is fixedly installed inside the mounting groove (111) ), one end of the spring (112) is fixedly connected with a positioning block (113), and the end of the positioning block (113) is clamped in the positioning groove (10). 6. The positioning device for wind power blades according to claim 5, characterized in that: guide grooves (114) are opened on both sides of the installation groove (111), and both sides of the positioning block (113) are fixed A guide block (115) is connected, and the guide block (115) is slidably connected inside the guide groove (114).

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