CN219282067U

CN219282067U - Fan blade stable rotation regulator based on extreme working conditions

Info

Publication number: CN219282067U
Application number: CN202320631893.4U
Authority: CN
Inventors: 王永平; 邓诚; 梁小康; 谭小波; 李福凯
Original assignee: Cgn Hami Wind Power Co ltd
Current assignee: Cgn Hami Wind Power Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-06-30
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a fan blade stable rotation regulator based on extreme working conditions, which comprises a connecting shell, wherein the front surface of the connecting shell is bolted with a fixed rod, the inner side of the fixed rod is bolted with a servo motor, the output end of the servo motor is bolted with a driving shaft, the back of the driving shaft is rotationally connected with the center of the front surface of an inner cavity of the connecting shell through a bearing, the surface of the back of the driving shaft is bolted with a linkage gear, and the periphery of the front surface of the inner cavity of the connecting shell is provided with a driven gear.

Description

Fan blade stable rotation regulator based on extreme working conditions

Technical Field

The utility model relates to the technical field of regulators, in particular to a fan blade stable rotation regulator based on extreme working conditions.

Background

The fan is a machine for exhausting gas by improving gas pressure through mechanical energy, is widely applied to ventilation in places in the fields of metallurgy, petrifaction, electric power and the like, and along with continuous development of fan manufacturing industry, excellent fan manufacturing enterprises in China attach more and more importance to research on the industry market, the using function of the fan is gradually improved and perfected, one of main parts in the fan is a fan blade, some fans need to operate under extreme conditions, and the fan blade is required to be used for stably rotating to assist at the moment, so that the fan cannot normally operate.

In the prior art, most of blades on a fan are fixed on a rotating shaft, and as is well known, the air quantity of the fan is realized by adjusting the angle of the fan blades, the larger blade angle can increase the air quantity, the smaller blade angle can reduce the air quantity, under some extreme working conditions, such as high wind days, if the fan still rotates through the larger blade angle during operation, the fan shaft is very easy to break off due to overlarge kinetic energy, and the blades on the hub of the existing fan are generally fixed and difficult to adjust during factory shipment, so that the airflow flow rate generated by the fan during operation is single and cannot be suitable for different working environments, the use effect of the fan under the extreme working conditions is greatly reduced, and due to the lack of a limiting component, the fan blades are easy to shake during rotation, even the fan can collide with a shell due to the too high rotating speed during operation, the phenomena such as surge are easy to occur, the vibration of the fan blades is aggravated, and the service life of the fan and the blades is greatly reduced. Based on the problems, the fan blade stable rotation regulator is provided.

Disclosure of Invention

The utility model aims to provide a fan blade stable rotation regulator based on extreme working conditions, which has the advantages of being convenient for synchronously regulating the angle of a fan blade and reducing the shaking generated by a blade connecting shaft in the running process of the fan, and solves the problems that the angle of the fan blade is difficult to regulate and cannot adapt to extreme running environment, the connecting shaft shakes when the blade rotates at a high speed, and the connecting shaft collides with a shell.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fan blade stably rotates regulator based on extreme operating mode, includes the connection shell, the front bolt of connection shell has the dead lever, the inboard bolt of dead lever has servo motor, servo motor's output bolt has the drive shaft, the positive center of drive shaft and connection shell inner chamber is passed through the bearing and is rotated and be connected, the surface bolt at drive shaft rear portion has the linkage gear, the positive driven gear that is provided with all around of connection shell inner chamber, and driven gear and linkage gear meshing, driven gear's front bolt has first trapezoidal gear, the connection shell is connected with the connecting axle through the bearing rotation all around, the one end bolt of connecting axle has the go-between, the other end bolt of go-between has the second trapezoidal gear, and first trapezoidal gear and second trapezoidal gear meshing, the bolt all around of connection shell has the steady piece, the top bolt of steady piece has the limiting plate, the inboard bolt of limiting plate has the enhancement groove.

The utility model is further arranged that the other end of the connecting shaft penetrates through the connecting shell to be inserted with the rotating shaft, and the inner side of the reinforcing groove is rotationally connected with the outer side of the rotating shaft.

The technical scheme is adopted: the connecting shaft rotates in the reinforcing groove through the rotating shaft, the inner side of the reinforcing groove is clung to the rotating shaft, and the vibration of the connecting shaft is reduced by clamping the rotating shaft when the connecting shaft shakes.

The utility model is further characterized in that the other end of the connecting shaft is bolted with a blade mounting seat, and mounting grooves are formed in two sides of an inner cavity of the blade mounting seat.

The technical scheme is adopted: the regulator is convenient to install the fan blade through the blade mount pad and the mounting groove.

The utility model is further arranged that the center of the back of the connecting shell is bolted with a driving piece mounting groove.

The technical scheme is adopted: and a device for driving the regulator to rotate is arranged on the regulator conveniently through the driving piece mounting groove.

The utility model is further arranged that the periphery of the front surface of the inner cavity of the connecting shell is rotationally connected with a rotating rod through a bearing, and the front surface of the rotating rod is bolted with the back surface of the driven gear.

The technical scheme is adopted: when the driven gear is driven to rotate by the linkage gear while the rotating rod supports and is connected with the driven gear, the driven gear can rotate through the rotating shaft.

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

1. according to the utility model, the servo motor is arranged to drive the linkage gear to rotate so as to drive the blade mounting seat to rotate, so that the blade mounting seat has the function of adjusting the rotation angle of the blade, and the fan blade angle can be effectively and conveniently adjusted synchronously in a rotating mode, so that the problems that the fan blade angle is difficult to adjust and cannot adapt to extreme operating environment are avoided, and the blade adjusting efficiency of the regulator is greatly improved;

2. according to the utility model, the connecting shaft is fixed and limited by arranging the stabilizing piece, the limiting plate and the reinforcing groove to be matched with the rotating shaft, so that the secondary reinforcement function is realized, the shaking generated by the blade connecting shaft in the running process of the fan can be effectively reduced in a limiting mode, the problem that the connecting shaft shakes when the blade rotates at a high speed, and the connecting shaft collides with the shell is solved, and the running stability of the regulator is greatly improved.

Drawings

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

FIG. 2 is a cross-sectional view of a portion of the structure of the present utility model;

FIG. 3 is a side view of a portion of the structure of the present utility model;

fig. 4 is an enlarged view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a connection housing; 2. a fixed rod; 3. a servo motor; 4. a drive shaft; 5. a linkage gear; 6. a driven gear; 7. a first trapezoidal gear; 8. a connecting shaft; 9. a connecting ring; 10. a second trapezoidal gear; 11. a stabilizing piece; 12. a limiting plate; 13. a reinforcing groove; 14. a rotating shaft; 15. a blade mounting base; 16. a mounting groove; 17. a driving piece mounting groove; 18. and rotating the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1, fig. 2 and fig. 3, a fan blade stable rotation regulator based on extreme working conditions comprises a connection shell 1, wherein a fixing rod 2 is bolted to the front surface of the connection shell 1, a servo motor 3 is bolted to the inner side of the fixing rod 2, a driving shaft 4 is bolted to the output end of the servo motor 3, the back of the driving shaft 4 is rotationally connected with the center of the front surface of an inner cavity of the connection shell 1 through a bearing, a linkage gear 5 is bolted to the surface of the rear part of the driving shaft 4, driven gears 6 are arranged around the front surface of the inner cavity of the connection shell 1 and meshed with the linkage gear 5, a first trapezoid gear 7 is bolted to the front surface of the driven gears 6, a connecting shaft 8 is rotationally connected to the periphery of the connection shell 1 through a bearing, a connecting ring 9 is bolted to one end of the connecting shaft 8, a second trapezoid gear 10 is bolted to the other end of the connecting ring 9, and the first trapezoid gear 7 is meshed with the second trapezoid gear 10.

Referring to fig. 3, a driving member mounting groove 17 is bolted to the center of the back of the connection housing 1, and by providing the driving member mounting groove 17, the regulator can be conveniently provided with a device for driving the regulator to rotate through the driving member mounting groove 17.

Referring to fig. 2 and 3, the front periphery of the inner cavity of the connection housing 1 is rotatably connected with a rotation rod 18 through a bearing, and the front surface of the rotation rod 18 is bolted to the back surface of the driven gear 6, and by setting the rotation rod 18, the driven gear 6 can rotate through the rotation shaft 14 when the linkage gear 5 drives the driven gear 6 to rotate while the rotation rod 18 supports and connects the driven gear 6.

The use process is briefly described: when needs use the regulator to adjust fan impeller, open driving motor, driving motor's output can drive shaft 4 and rotate, drive shaft 4 can drive the linkage gear 5 rotation when rotating, linkage gear 5 can drive driven gear 6 rotation when rotating, driven gear 6 can drive first trapezoidal gear 7 rotation when rotating, first trapezoidal gear 7 can drive second trapezoidal gear 10 rotation when rotating, second trapezoidal gear 10 can drive go-between 9 rotation when rotating, go-between 9 can drive connecting axle 8 rotation when rotating, can drive blade mount pad 15 rotation when connecting axle 8 rotates, blade mount pad 15 can drive its inboard blade and rotate when rotating, only need rotate linkage gear 5, can drive all driven gears 6 rotation around, thereby be convenient for synchronous regulation fan blade angle effectively, the problem that fan blade angle is difficult to adjust has been avoided, can not adapt to extreme operational environment, the purpose of regulator to the efficiency of blade regulation has been improved greatly.

Example 2:

referring to fig. 1, 2, 3 and 4, a fan blade stabilizing rotation adjuster based on extreme working conditions includes a connection housing 1, a stabilizing member 11 bolted around the connection housing 1, a limiting plate 12 bolted to the top of the stabilizing member 11, and a reinforcing groove 13 bolted to the inner side of the limiting plate 12.

Referring to fig. 1, 2, 3 and 4, the other end of the connecting shaft 8 is inserted into a rotating shaft 14 through the connecting housing 1, and the inner side of the reinforcing groove 13 is rotatably connected with the outer side of the rotating shaft 14, by providing the rotating shaft 14, the connecting shaft 8 can rotate in the reinforcing groove 13 through the rotating shaft 14, the inner side of the reinforcing groove 13 is tightly attached to the rotating shaft 14, and when the connecting shaft 8 shakes, the reinforcing groove 13 reduces the vibration of the connecting shaft 8 by clamping the rotating shaft 14.

Referring to fig. 1, 2, 3 and 4, the other end of the connecting shaft 8 is bolted with a blade mounting seat 15, mounting grooves 16 are formed in two sides of an inner cavity of the blade mounting seat 15, and through the arrangement of the blade mounting seat 15 and the mounting grooves 16, the regulator can conveniently mount the fan blade through the blade mounting seat 15 and the mounting grooves 16.

The use process is briefly described: in the process that the regulator rotates and drives the blade to rotate, the blade produces rocking of certain amplitude when rotating at a high speed, rocking transmits to the connecting shaft 8 at this moment, the connecting shaft 8 transmits vibration to the rotating shaft 14, the rotating shaft 14 is in the strengthening groove 13 at this moment, and the periphery of the rotating shaft 14 is limited by the strengthening groove 13, vibration is born by the limiting rod and the stabilizing piece 11, finally scattered on the surface of the connecting shell 1, thereby effectively reducing the rocking of the fan in the running process of the blade connecting shaft 8, avoiding the rocking of the connecting shaft 8 caused by the blade when rotating at a high speed, further causing the problem of collision between the connecting shaft 8 and the shell, and greatly improving the running stability of the regulator.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Fan blade stably rotates regulator based on extreme operating mode, including coupling shell (1), its characterized in that: the front bolt of coupling shell (1) has dead lever (2), the inboard bolt of dead lever (2) has servo motor (3), the output bolt of servo motor (3) has drive shaft (4), the positive center of drive shaft (4) and coupling shell (1) inner chamber is rotated through the bearing and is connected, the surface bolt at drive shaft (4) rear portion has linkage gear (5), the positive driven gear (6) that are provided with all around of coupling shell (1) inner chamber, and driven gear (6) and linkage gear (5) meshing, the positive bolt of driven gear (6) has first trapezoidal gear (7), the all around of coupling shell (1) is connected with connecting axle (8) through the bearing rotation, the one end bolt of connecting axle (8) has go-between (9), the other end bolt of go-between (9) has second trapezoidal gear (10), and first trapezoidal gear (7) and second trapezoidal gear (10) meshing, the periphery of coupling shell (1) is provided with driven gear (6), the bolt (11) has on top (12) to have boss (12) to fasten fixed plate (12), boss (12) on the boss is fixed plate (13).

2. The fan blade stabilizing rotation regulator based on extreme conditions of claim 1, wherein: the other end of the connecting shaft (8) penetrates through the connecting shell (1) to be inserted with a rotating shaft (14), and the inner side of the reinforcing groove (13) is rotationally connected with the outer side of the rotating shaft (14).

3. The fan blade stabilizing rotation regulator based on extreme conditions of claim 1, wherein: the other end of the connecting shaft (8) is bolted with a blade mounting seat (15), and mounting grooves (16) are formed in two sides of an inner cavity of the blade mounting seat (15).

4. The fan blade stabilizing rotation regulator based on extreme conditions of claim 1, wherein: the center of the back of the connecting shell (1) is bolted with a driving piece mounting groove (17).

5. The fan blade stabilizing rotation regulator based on extreme conditions of claim 1, wherein: the periphery of the front surface of the inner cavity of the connecting shell (1) is rotationally connected with a rotating rod (18) through a bearing, and the front surface of the rotating rod (18) is bolted with the back surface of the driven gear (6).