CN219317105U

CN219317105U - Damping device for reducing shaking of wind driven generator

Info

Publication number: CN219317105U
Application number: CN202320700975.XU
Authority: CN
Inventors: 王朝晋; 孔金良; 车坤涛; 刘永胜; 范晓飞; 苏瑞勤; 陈雨瑶; 郭君
Original assignee: Huaneng New Energy Co Ltd Shanxi Branch
Current assignee: Huaneng New Energy Co Ltd Shanxi Branch
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-07-07
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a damping device for reducing shaking of a wind driven generator, which comprises a base and a cover body, wherein a supporting seat is movably arranged on the cover body, a lifting plate is arranged at the lower end of the supporting seat, guide cylinders are symmetrically arranged on the base, first springs are arranged in the guide cylinders, support rods are arranged in the guide cylinders in a sliding mode, the upper ends of the support rods are connected with the lifting plate, the supporting seat is used for installing the bottom of a tower rod, an installation frame is arranged on the cover body, through holes for the tower rod to pass through are formed in the installation frame, a fixed plate is arranged at the lower end of the installation frame, screw rods are rotatably connected onto the two fixed plates, threads at two ends of the screw rods are opposite in direction, L-shaped clamping seats and sliding blocks are symmetrically arranged at two ends of the screw rods, inclined rods are arranged on the sliding blocks, clamping blocks are hinged onto the L-shaped clamping seats and the clamping blocks, grooves are formed in the L-shaped clamping blocks corresponding to the tower rod, and one end of the screw rods is provided with a rotary handle. According to the utility model, the wind driven generator is protected by limiting the shaking below the tower pole, so that the service life of the wind driven generator is prolonged.

Description

Damping device for reducing shaking of wind driven generator

Technical Field

The utility model relates to the technical field of wind power generation, in particular to a damping device for reducing shaking of a wind driven generator.

Background

The development of novel energy sources has become the most important research in the present era, because the use of various electrical equipment leads to the rapid increase of electricity consumption, and partial areas can appear in the power failure condition in the peak period of electricity consumption, in order to alleviate these problems, wind driven generator also begins to build in the wide northern area, because wind power generation is through wind energy conversion to mechanical work, mechanical work drives the rotor rotation, finally output alternating current power equipment, wind driven generator generally has wind wheel, generator, steering gear, tower pole, speed limiting safety mechanism and energy storage device component constitution, if wind power is powerful, by the relationship of angular velocity, linear velocity, can know that the below of tower pole can receive great influence, lead to rocking obviously, cause wind driven generator top or bottom to appear becoming flexible and damaging.

Disclosure of Invention

In order to solve the defects and the shortcomings of the prior art, the damping device for reducing the shaking of the wind driven generator is provided, the wind driven generator is protected by limiting the shaking below a tower pole, and the service life of the wind driven generator is prolonged.

The utility model provides a damping device for reducing shaking of a wind driven generator, which comprises a base and a cover body arranged on the base, wherein a supporting seat is movably arranged on the cover body, the lower end of the supporting seat is provided with a lifting plate, guide cylinders are symmetrically arranged on the base, a first spring is arranged in the guide cylinders, a supporting rod is arranged in the guide cylinders in a sliding manner, the upper end of the supporting rod is connected with the lifting plate, the supporting seat is used for installing the bottom of a tower rod, a mounting frame is arranged on the cover body, a through hole for the tower rod to pass through is formed in the mounting frame, a fixed plate is arranged at the lower end of the mounting frame, screw rods are connected onto the two fixed plates in a rotating manner, the screw rods and the tower rod do not interfere with each other, the screw threads at the two ends of the screw rods are opposite in directions, L-shaped clamping seats and sliding blocks are symmetrically arranged at the two ends of the screw rods, inclined rods are arranged on the sliding blocks, clamping blocks are hinged with the L-shaped clamping seats and the screw rods, one ends of the L-shaped clamping seats are provided with grooves corresponding to the tower rod, and one ends of the screw rods are arranged on the sliding blocks, and the rotating handles are arranged.

As a further improvement of the scheme, the second springs are symmetrically arranged in the cover body, pushing blocks are arranged at the outer ends of the second springs, inclined supporting rods are hinged to the other ends of the pushing blocks, and the upper ends of the inclined supporting rods are hinged to the lifting plates.

As a further improvement of the scheme, ratchets are coaxially arranged between the rotary handle and the screw rod, and pawls are symmetrically hinged to the lower end of the mounting frame relative to the ratchets.

As a further improvement of the above scheme, the base is connected with the ground through a foundation anchor bolt.

As a further improvement of the above, the support bar is provided as an inverted T-bar.

The beneficial effects of the utility model are as follows:

compared with the prior art, the damping device for reducing the shaking of the wind driven generator provided by the utility model has the advantages that when in use, the L-shaped clamping seat and the sliding block are driven to move in opposite directions through the transmission of the screw rod, the tower pole is clamped through the matching of the grooves on the clamping block and the L-shaped clamping seat, and the shaking of the tower pole is limited by respectively fixing different heights of the tower pole, so that the wind driven generator is protected, and the service life of the wind driven generator is prolonged. According to the damping device for reducing the shaking of the wind driven generator, provided by the utility model, the wind driven generator is protected by limiting the shaking below the tower pole, and the service life of the wind driven generator is prolonged.

Drawings

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic perspective view of a screw rod, an L-shaped clamping seat, a clamping block and the like;

fig. 3 is a partial enlarged view of a of fig. 2.

Detailed Description

As shown in fig. 1-3, the damping device for reducing shaking of a wind driven generator provided by the utility model comprises a base 1 and a cover body 2 arranged on the base 1, wherein a supporting seat 3 is movably arranged on the cover body 2, the lower end of the supporting seat 3 is provided with a lifting plate 4, guide cylinders 5 are symmetrically arranged on the base 1, a first spring 6 is arranged in each guide cylinder 5, a supporting rod 7 is arranged in each guide cylinder 5 in a sliding manner, the upper end of each supporting rod 7 is connected with the lifting plate 4, the supporting seat 3 is used for installing the bottom of a tower pole 100, a mounting frame 8 is arranged on the cover body 2, a through hole for the tower pole 100 to pass through is formed in the mounting frame 8, a fixed plate 9 is arranged at the lower end of the mounting frame 8, a screw rod 10 is rotatably connected to the two fixed plates 9, the screw rod 10 and the tower pole 100 do not interfere with each other, inclined rods 13 are arranged on the sliding blocks 12, clamping blocks 14 are hinged on the inclined rods 13, the clamping blocks 11 are arranged on the inclined rods 14, one end of each clamping block 11 is provided with a handle 15 corresponding to one end of the tower pole 100, and the handle 15 is arranged on the other.

Further improved, the second springs 16 are symmetrically arranged in the cover body 2, the pushing blocks 17 are arranged at the outer ends of the second springs 16, the other ends of the pushing blocks 17 are hinged with the inclined supporting rods 18, and the upper ends of the inclined supporting rods 18 are hinged with the lifting plates 4. The downward power of the supporting seat 3 is counteracted by the inclined supporting rods 18 on two sides, and the impact force is weakened by the second springs 16, in addition, a damper can be additionally arranged between the cover body 2 and the pushing block 17 according to the requirement in the technical scheme.

Further improved, the ratchet 19 is coaxially arranged between the rotary handle 15 and the screw rod 10, the lower end of the mounting frame 8 is symmetrically hinged with the pawl 20 relative to the ratchet 19, the rotary handle 15 can be enabled to rotate in one direction through the cooperation of the pawl 20 and the ratchet 19, the rotary handle is prevented from reversing and loosening, and then the tower 100 is always clamped by the clamping block 14 and the L-shaped clamping seat 11.

Further improved, the base 1 is connected with the ground through a foundation anchor bolt.

Further improvement, the supporting rod 7 is arranged as an inverted T-shaped rod, so that the supporting rod 7 of the inverted T-shaped rod can slide up and down in the guide cylinder 5 and can be prevented from being separated from the guide cylinder 5.

The above embodiments are not limited to the technical solution of the embodiments, and the embodiments may be combined with each other to form a new embodiment. The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present utility model should be covered in the scope of the technical solution of the present utility model.

Claims

1. Damping device that reduces aerogenerator and rock, its characterized in that: including the base and set up the cover body on the base, the activity is provided with the supporting seat on the cover body, the lower extreme of supporting seat is provided with the lifter plate, the symmetry is provided with the guide cylinder on the base, be provided with first spring in the guide cylinder, the sliding is provided with the bracing piece in the guide cylinder, the upper end and the lifter plate of bracing piece are connected, the supporting seat is used for installing the pole bottom, be provided with the mounting bracket on the cover body, be provided with the through-hole that supplies the pole to pass on the mounting bracket, the lower extreme of mounting bracket is provided with the fixed plate, rotates on two fixed plates and is connected with the lead screw to lead screw and pole mutually noninterfere, the screw thread direction at lead screw both ends is opposite, the equal symmetry in lead screw both ends is provided with L type clamping seat, sliding block, be provided with the dead lever on the sliding block, articulated on the dead lever have the clamping block, all correspond the pole and be provided with the recess on L type clamping seat, the clamping block, the one end of lead screw is provided with rotatory handle.

2. The vibration damping device for reducing vibration of a wind turbine according to claim 1, wherein: the inside symmetry of the cover body is provided with the second spring, the outer end of second spring is provided with the ejector pad, the other end of ejector pad articulates there is the diagonal brace, the upper end and the lifter plate of diagonal brace articulate.

3. The vibration damping device for reducing vibration of a wind turbine according to claim 1, wherein: ratchet teeth are coaxially arranged between the rotary handle and the screw rod, and pawls are symmetrically hinged to the lower end of the mounting frame relative to the ratchet teeth.

4. The vibration damping device for reducing vibration of a wind turbine according to claim 1, wherein: the base is connected with the ground through a foundation anchor bolt.

5. The vibration damping device for reducing vibration of a wind turbine according to claim 1, wherein: the support rod is an inverted T-shaped rod.