CN219086966U

CN219086966U - Fan rotor jigger device

Info

Publication number: CN219086966U
Application number: CN202223356377.XU
Authority: CN
Inventors: 毕学卫; 王志良; 李双存; 李玉莲; 尹振亭
Original assignee: Tianjin New Tiangang United Special Steel Co Ltd
Current assignee: Tianjin New Tiangang United Special Steel Co Ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-26
Anticipated expiration: 2032-12-13

Abstract

The utility model belongs to the technical field of blower accessories, and particularly discloses a blower rotor turning gear which comprises a bracket groove, wherein two brackets are arranged at the upper end of the bracket groove, a rotor is erected between the two brackets through a supporting shaft of the rotor, and the position of at least one bracket can be adjusted and moved according to the length of the rotor; the device also comprises a driving wheel arranged on the outer side of any bracket, a connecting hole is arranged in the center of the driving wheel, 3 connecting frames are uniformly arranged between the circumference of the connecting hole and the inner wall of the driving wheel, and one end of the supporting shaft penetrates through the connecting hole; each connecting frame is provided with a first positioning hole, and the bracket is provided with a second positioning hole; when the rotor rotates to a certain position, the aligned first positioning holes and the aligned second positioning holes are connected through the positioning pin shafts. The utility model can reduce damage and additional injury of the blade caused by fracture of the hoisting belt in the rotation process of the rotor, improve balanced stress of each aspect of the rotor, prevent the bending phenomenon of the rotor and prolong the service life of the rotor of the fan.

Description

Fan rotor jigger device

Technical Field

The utility model belongs to the technical field of blower accessories, and particularly discloses a fan rotor turning gear.

Background

The fan rotor is an important spare part of a blower system, weighs about several tons and is huge in volume, and bending phenomenon can occur in the center of the rotor after long-term storage, so that great loss is caused. Thus, 120 ° jiggering is required per month. Original jiggering adopts driving lifting belt to go on, need twine lifting belt in the focus department of rotor in the hoist and mount in-process, and lifting point both sides are rotor blade, and the lifting belt is very easy fracture because of the rotor is overweight in the hoist and mount in-process, touches the air-blower blade when the fracture, can cause the blade damage. Dynamic balance correction is needed, and the loss is huge. Meanwhile, the hoisting belt is broken, so that the danger of hurting people exists.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the fan rotor turning gear which can prevent a rotor spindle from bending due to long-term storage of a fan rotor, reduce blade damage and additional damage caused by breakage of a hoisting belt in the rotor rotation process, improve balanced stress of each aspect of the rotor, prevent the rotor from bending, and prolong the service life of the fan rotor.

In order to achieve the technical effects, the utility model adopts the following technical scheme:

a fan rotor turning gear comprises a bracket groove; the upper end of the bracket groove is provided with two brackets, the rotor is erected between the two brackets through a supporting shaft of the rotor, and the position of at least one bracket can be adjusted and moved according to the length of the rotor; the device also comprises a driving wheel arranged on the outer side of any bracket, wherein a connecting hole is formed in the center of the driving wheel, 3 connecting frames are uniformly arranged between the circumference of the connecting hole and the inner wall of the driving wheel, and one end of the supporting shaft penetrates through the connecting hole; each connecting frame is provided with a first positioning hole, and each bracket is provided with a second positioning hole; when the rotor rotates to a certain position, the aligned first positioning holes and the aligned second positioning holes are connected through the positioning pin shafts.

As a preferred solution, the support shaft is connected to the drive wheel by a fastening structure.

As the preferable technical scheme, the fastening structure comprises three elastic cushion blocks positioned on the surface of the supporting shaft, the positions of the elastic cushion blocks are in one-to-one correspondence with the connecting frames, an annular supporting plate is axially arranged on the inner side of each connecting frame along the supporting shaft, and a fastening bolt opposite to the elastic cushion blocks is arranged on each supporting plate, penetrates through the supporting plate and is propped against the elastic cushion blocks.

As the preferable technical scheme, the top of the bracket is provided with a semicircular groove body, and a plurality of bearings are arranged in the groove body.

As the preferable technical scheme, the number of the bearings is 3, and the bearings are respectively arranged at the bottom of the semicircular groove body and at two sides of the bottom.

As the preferable technical scheme, the driving wheel is a circular ring-shaped hand wheel, and a plurality of handles convenient to operate are arranged on the outer side of the hand wheel.

Preferably, the bracket near the driving wheel is a fixed bracket, and the other bracket is a movable bracket with the position adjustable along the bracket slot 1.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model can prevent the rotor spindle of the fan from bending due to long-term storage, reduce the damage and additional injury of the blade caused by the breakage of the hoisting belt in the rotor rotation process, improve the balanced stress of each aspect of the rotor, prevent the rotor bending phenomenon and prolong the service life of the fan rotor.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic illustration of a fan rotor turning gear of the present utility model;

fig. 2 is a left side view of fig. 1.

In the figure, 1, a bracket groove; 2. a bracket; 3. a rotor; 4. a support shaft; 5. a driving wheel; 6. a connecting frame; 7. a connection hole; 8. a first positioning hole; 10. positioning pin shafts; 11. an elastic cushion block; 12. a support plate; 13. a fastening bolt; 14. a bearing; 15. a handle.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

As shown in fig. 1 and 2, the utility model discloses a fan rotor turning gear, which comprises a bracket groove 1, wherein two brackets 2 are arranged at the upper end of the bracket groove 1, a rotor 3 is erected between the two brackets 2 through a supporting shaft 4 of the rotor 3, and the position of at least one bracket 2 can be adjusted and moved according to the length of the rotor 3.

The device also comprises a driving wheel 5 arranged on the outer side of any bracket 2, a connecting hole 7 is arranged in the center of the driving wheel, 3 connecting frames 6 are uniformly arranged between the circumference of the connecting hole and the inner wall of the driving wheel, and one end of the supporting shaft 4 penetrates through the connecting hole 7; each connecting frame 6 is provided with a first positioning hole 8, the bracket 2 is provided with a second positioning hole, and when the driving wheel 5 is rotated to enable the rotor 3 to rotate to a certain turning position, the aligned first positioning holes 8 are connected with the second positioning holes through positioning pins 10.

Preferably, the support shaft 4 is connected with the connecting hole 7 through a fastening structure; the fastening structure comprises three elastic cushion blocks 11 positioned on the surface of the support shaft 4, the positions of the elastic cushion blocks 11 are in one-to-one correspondence with the connecting frames 6, annular support plates 12 are axially arranged on the inner sides of the connecting frames 6 along the support shaft 4, fastening bolts 13 opposite to the elastic cushion blocks 11 are arranged on the support plates 12, the fastening bolts 13 penetrate through the support plates 12 and are propped against the elastic cushion blocks 11, and accordingly the support shaft 4 is tightly clamped in the connecting holes 7 by adjusting the screwing depth of the three fastening bolts 13.

Preferably, the top of the bracket 2 is provided with a semicircular groove body, and a plurality of bearings 14 are arranged in the groove body and used for bearing the support shaft 4, so that the whole rotor 3 can rotate conveniently. More preferably, the number of the bearings 14 is 3, and the bearings are respectively arranged at the bottom and two sides of the bottom of the semicircular groove body.

Preferably, the driving wheel 5 is a circular ring-shaped hand wheel, and a plurality of handles convenient to operate are arranged on the outer side of the hand wheel.

Preferably, the carrier adjacent to the drive wheel is a fixed carrier and the other is a movable carrier which is adjustable in position along the carrier slot 1.

Working principle: the position of the bracket 2 is adjusted and moved on the bracket slot 1 according to the length of the rotor 3, and the bracket is fixed after being adjusted properly; hanging the fan rotor 3 on two brackets 2, wherein two ends of a supporting shaft 4 of the rotor 3 are lapped on three bearings 14 of the brackets 2; the hand wheel is arranged on the supporting shaft 4 of the rotor 3 and fastened and blocked by the fastening bolt 13, the fan rotor 3 is driven to rotate by rotating the hand wheel, and when a certain first positioning hole 8 is aligned with a second positioning hole, the two positioning holes are connected by the positioning pin shaft 10 to carry out turning operation; after three months, the rotor rotates by 120 degrees, the other first positioning hole 8 is connected with the second positioning hole, and one cycle is completed in three months, so that the stress of the rotor 3 directions is uniform, and the fan rotor 3 is ensured to be safely turned.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims

1. The fan rotor turning device is characterized by comprising a bracket groove, wherein two brackets are arranged at the upper end of the bracket groove, a rotor is erected between the two brackets through a supporting shaft of the rotor, and the position of at least one bracket can be adjusted and moved according to the length of the rotor; the device also comprises a driving wheel arranged on the outer side of any bracket, wherein a connecting hole is formed in the center of the driving wheel, 3 connecting frames are uniformly arranged between the circumference of the connecting hole and the inner wall of the driving wheel, and one end of the supporting shaft penetrates through the connecting hole; each connecting frame is provided with a first positioning hole, and each bracket is provided with a second positioning hole; when the rotor rotates to a certain position, the aligned first positioning holes and the aligned second positioning holes are connected through the positioning pin shafts.

2. The fan rotor turning gear as set forth in claim 1, wherein the support shaft is connected to the drive wheel by a fastening structure.

3. The fan rotor turning gear as set forth in claim 2, wherein the fastening structure includes three elastic pads on the surface of the support shaft, the positions of the elastic pads are in one-to-one correspondence with the connecting frame, an annular support plate is axially arranged on the inner side of the connecting frame along the support shaft, and fastening bolts facing the elastic pads are arranged on the support plate and penetrate through the support plate and are supported on the elastic pads.

4. The fan rotor turning gear as set forth in claim 2, wherein the top of the bracket is provided with a semicircular groove body, and a plurality of bearings are provided in the groove body.

5. The fan rotor turning gear as set forth in claim 4, wherein the number of bearings is 3, which are provided at the bottom and both sides of the bottom of the semicircular groove body, respectively.

6. The fan rotor turning gear as set forth in claim 1, wherein the driving wheel is a circular hand wheel, and a plurality of handles for easy operation are provided on the outer side of the hand wheel.

7. The fan rotor turning gear as set forth in claim 1, wherein the bracket adjacent to the drive wheel is a fixed bracket and the other is a movable bracket adjustable in position along the bracket slot.