CN217225395U

CN217225395U - Automatic device of screwing up of large-scale solid of revolution bolt

Info

Publication number: CN217225395U
Application number: CN202220120622.8U
Authority: CN
Inventors: 雷浩; 徐杰
Original assignee: Henan Mingyang Smart Energy Co ltd
Current assignee: Henan Mingyang Smart Energy Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-08-19
Anticipated expiration: 2032-01-14

Abstract

The utility model relates to the technical field of wind power generation production equipment, in particular to an automatic tightening device for a large-scale revolving body bolt, which comprises a support frame, wherein a rotating motor and a clamping and positioning device are sequentially arranged above the support frame from left to right; a rotor of the rotating motor is provided with a telescopic sleeve rod, and an extension rod is sleeved in the telescopic sleeve rod; the top of the extension rod is provided with a telescopic cylinder, a piston rod of the telescopic cylinder is fixed with a screwing motor, a rotor of the screwing motor is connected with an inserting fixed cylinder, and a screwing sleeve is movably inserted in the inserting fixed cylinder. The utility model discloses an automatic device of screwing up of large-scale solid of revolution bolt can improve the efficiency of screwing up of solid of revolution bolt.

Description

Automatic device of screwing up of large-scale solid of revolution bolt

Technical Field

The utility model relates to a wind power generation production facility technical field, in particular to automatic device of screwing up of large-scale solid of revolution bolt.

Background

The wind power market in China is developed rapidly, the wind power technology is continuously innovated and tends to be mature, and the wind power industry is going to step into a new development stage. The revolving body is one of the components of the wind driven generator, and needs to be fastened on a hub of the wind driven generator through a plurality of bolts when in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides an automatic device of screwing up of large-scale solid of revolution bolt can improve the efficiency of screwing up of solid of revolution bolt.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

an automatic large-scale revolving body bolt tightening device comprises a support frame, wherein a rotating motor and a clamping positioning device are sequentially arranged above the support frame from left to right;

a rotor of the rotating motor is provided with a telescopic sleeve rod, and an extension rod is sleeved in the telescopic sleeve rod;

the top of the extension rod is provided with a telescopic cylinder, a piston rod of the telescopic cylinder is fixed with a tightening motor, a rotor of the tightening motor is connected with an inserted fixed cylinder, and a tightening sleeve is movably inserted inside the inserted fixed cylinder.

As an improvement: the rotating motor is a stepping motor.

As an improvement: and a plurality of positioning holes are formed in the telescopic sleeve rod and the extension rod, and positioning pins are inserted in the positioning holes.

As an improvement: chucking positioner is including first chucking gear, second chucking gear, dwang and chucking locating support, the dwang rotates to be set up on chucking locating support, first chucking gear is fixed on the rotor of rotating electrical machines, second chucking gear is fixed at the dwang, just first chucking gear meshes with second chucking gear mutually the top of chucking locating support is perpendicularly to having first chucking cylinder, and its bottom is perpendicularly to being equipped with second chucking cylinder.

As an improvement: the telescopic link of the first clamping cylinder is provided with a first arc-shaped limiting piece, and the telescopic link of the second clamping cylinder is provided with a second arc-shaped limiting piece.

As an improvement: the hydraulic lifting device is characterized in that a plurality of hydraulic lifters are symmetrically arranged below the supporting frame, supporting columns are arranged below the hydraulic lifters, and universal wheels are mounted on the supporting columns.

To sum up, the utility model discloses following beneficial effect has:

the utility model provides an automatic device of screwing up of large-scale solid of revolution bolt, at first be close to the solid of revolution with the support frame, then adsorb the double-screw bolt in screwing up the sleeve, the screw on the solid of revolution sets up for the equidistance, start the rotating electrical machines and will screw up the sleeve and rotate to the screw top of screwing up, start telescopic cylinder, peg graft the double-screw bolt in the screw, start screwing up the motor and screw up the double-screw bolt in the screw, in the process of screwing up, telescopic cylinder's piston rod drives the double-screw bolt and slowly removes to the screw, prevent that the double-screw bolt from breaking away from screwing up the sleeve, because the rotating electrical machines is step motor, consequently through calculating the angle between each screw, make the equidistant increase of distance that step motor rotated at every time can guarantee that the double-screw bolt can accurately be positioned to the screw top, can improve the efficiency of screwing up of solid of revolution bolt through the above-mentioned setting;

the hydraulic elevator is used for adjusting the height of the support frame, is matched with the extension rod and the telescopic loop rod, and can meet the requirement of mounting the rotary body studs with different diameters by adjusting the length of the extension rod in the telescopic loop rod;

when the rotating motor drives the stud to rotate to the screw hole and stop, the first telescopic cylinder moves downwards, the first arc-shaped limiting piece is attached to the upper portion of the rotating rod, the second telescopic cylinder moves upwards, the second arc-shaped limiting piece is attached to the lower portion of the rotating rod, and therefore the rotating rod is positioned, the second clamping gear is clamped with the first clamping gear, the telescopic sleeve rod is prevented from deviating, and positioning accuracy is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.

FIG. 1 is a schematic view of the overall structure of an automatic bolt tightening device for a large-sized rotary body;

FIG. 2 is a partial schematic structural view of an automatic bolt tightening device for a large-sized rotary body;

wherein: 1. a support frame; 2. a rotating electric machine; 3. a telescopic loop bar; 4. an extension pole; 5. a telescopic cylinder; 6. screwing down the motor; 7. inserting a fixed cylinder; 8. screwing down the sleeve; 9. positioning holes; 10. positioning the tip; 11. a first chucking gear; 12. a second chucking gear; 13. rotating the rod; 14. clamping the positioning bracket; 15. a first chucking cylinder; 16. a second chucking cylinder; 17. a first arc-shaped limiting sheet; 18. a second arc-shaped limiting sheet; 19. a hydraulic lift; 20. a support pillar; 21. a universal wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-2, an automatic tightening device for a large-sized revolving body bolt comprises a support frame 1, wherein a rotating motor 2 and a clamping and positioning device are sequentially arranged above the support frame 1 from left to right;

a rotor of the rotating motor 2 is provided with a telescopic loop bar 3, and an extension bar 4 is sleeved in the telescopic loop bar 3;

the top of the extension rod 4 is provided with a telescopic cylinder 5, a piston rod of the telescopic cylinder 5 is fixed with a screwing motor 6, a rotor of the screwing motor 6 is connected with an inserted fixed cylinder 7, and a screwing sleeve 8 is movably inserted in the inserted fixed cylinder 7. The rotating electrical machine 2 is a stepping motor.

A plurality of positioning holes 9 are formed in the telescopic loop bar 3 and the extension bar 4, and positioning pins 10 are inserted into the positioning holes 9.

Chucking positioner is including first chucking gear 11, second chucking gear 12, dwang 13 and chucking locating support 14, dwang 13 rotates and sets up on chucking locating support 14, first chucking gear 11 is fixed on the rotor of rotating electrical machines 2, second chucking gear 12 is fixed at dwang 13, and first chucking gear 11 meshes with second chucking gear 12 mutually, top at chucking locating support 14 is perpendicular to having first chucking cylinder 15 downwards, its bottom is perpendicular to being equipped with second chucking cylinder 16 upwards. A first arc-shaped limiting piece 17 is arranged on the telescopic rod of the first clamping cylinder 15, and a second arc-shaped limiting piece 18 is arranged on the telescopic rod of the second clamping cylinder 16.

A plurality of hydraulic lifters 19 are symmetrically arranged below the support frame 1, support columns 20 are arranged below the hydraulic lifters 19, and universal wheels 21 are mounted on the support columns 20.

The working principle is as follows: firstly, a support frame 1 is close to a revolving body, then studs are adsorbed in a tightening sleeve 8, screw holes in the revolving body are arranged at equal intervals, a rotating motor 2 is started to rotate the tightening sleeve 8 to the position above the screw hole to be tightened, a telescopic cylinder 5 is started to insert the studs into the screw holes, a tightening motor 6 is started to tighten the studs into the screw holes, a piston rod of the telescopic cylinder 5 drives the studs to slowly move into the screw holes in the tightening process, the studs are prevented from being separated from the tightening sleeve 8, and the rotating motor 2 is a stepping motor, so that the studs can be accurately positioned above the screw holes by calculating the angle between every two screw holes and increasing the rotating distance of the stepping motor at each time at equal intervals;

the hydraulic lifter 19 is used for adjusting the height of the support frame 1, is matched with the extension rod 4 and the telescopic loop bar 3, and can meet the requirement of mounting rotary body studs with different diameters by adjusting the length of the extension rod 4 in the telescopic loop bar 3;

when the rotary motor 2 drives the stud to rotate to the screw hole top and stop, the first telescopic cylinder 5 moves downwards, the first arc-shaped limiting piece 17 is attached to the upper portion of the rotating rod 13, the second telescopic cylinder 5 moves upwards, the second arc-shaped limiting piece 18 is attached to the lower portion of the rotating rod 13, the rotating rod 13 is positioned, the second clamping gear 12 is clamped with the first clamping gear 11, the telescopic sleeve rod 3 is prevented from deviating, and positioning accuracy is guaranteed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that; modifications can still be made to the embodiments of the invention or equivalents may be substituted for some of the features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The automatic large-scale revolving body bolt tightening device is characterized by comprising a support frame, wherein a rotating motor and a clamping and positioning device are sequentially arranged above the support frame from left to right;

2. The automatic large-sized revolving body bolt tightening device according to claim 1, wherein the rotating electric machine is a stepping motor.

3. The automatic large-scale revolving body bolt tightening device according to claim 1, wherein a plurality of positioning holes are formed in the telescopic sleeve rod and the extension rod, and positioning pins are inserted into the positioning holes.

4. The automatic tightening device of large-scale solid of revolution bolt of claim 1, characterized in that, chucking positioner is including first chucking gear, second chucking gear, dwang and chucking locating support, the dwang rotates and sets up on chucking locating support, first chucking gear is fixed on the rotor of rotating electrical machines, second chucking gear is fixed at the dwang, just first chucking gear meshes with second chucking gear mutually the top of chucking locating support is perpendicularly downwards equipped with first chucking cylinder, and its bottom is perpendicularly upwards equipped with second chucking cylinder.

5. The automatic large-scale revolving body bolt tightening device according to claim 4, wherein a first arc-shaped limiting piece is provided on the telescopic rod of the first clamping cylinder, and a second arc-shaped limiting piece is provided on the telescopic rod of the second clamping cylinder.

6. The automatic large-scale revolving body bolt tightening device according to claim 1, characterized in that a plurality of hydraulic elevators are symmetrically arranged below the support frame, support columns are arranged below the hydraulic elevators, and universal wheels are mounted on the support columns.