Large vertical direct-connection umbrella flow centrifugal fan
阅读说明：本技术 一种大型立式直联伞流离心风机 (Large vertical direct-connection umbrella flow centrifugal fan ) 是由 王付刚 黄伯舟 于 2019-11-05 设计创作，主要内容包括：本发明公开了一种大型立式直联伞流离心风机,其提升抽风效率,提高实用性；包括箱体、斗型连接管、安装架、轴承座、电机座、电机、转轴、从动带轮、传动带、离心式叶轮、连接装置和集流器,箱体的内部设置有腔室箱体的顶端设置有上开口,箱体的上开口与箱体的腔室相通,箱体的底端设置有下开口,箱体的下开口与箱体的腔室相通,箱体的上开口与斗型连接管的输入端固定连接,斗型连接管的输出端设置有连接头,安装架横向固定安装在箱体的腔室中部,安装架顶端的中心设置有贯穿安装架顶端和底端的通孔,轴承座固定安装在安装架底端的中部,轴承座内部设置有轴承,电机座固定安装在箱体的右端。(The invention discloses a large vertical direct-connection umbrella flow centrifugal fan which improves the air draft efficiency and the practicability; the power distribution box comprises a box body, the fill type connecting pipe, a mounting bracket, the bearing frame, the motor cabinet, including a motor, an end cap, a controller, and a cover plate, the pivot, driven pulleys, the drive belt, centrifugal impeller, connecting device and current collector, the inside top that is provided with the cavity box of box is provided with the upper shed, the upper shed of box communicates with each other with the cavity of box, the bottom of box is provided with the under shed, the under shed of box communicates with each other with the cavity of box, the upper shed of box and the input fixed connection of fill type connecting pipe, the output of fill type connecting pipe is provided with the connector, the horizontal fixed mounting of mounting bracket is at the cavity middle part of box, the center on mounting bracket top is provided with the through-hole that runs through mounting bracket.)
1. A large vertical direct-connection umbrella flow centrifugal fan is characterized by comprising a box body (1), a bucket type connecting pipe (2), a mounting frame (4), a bearing seat (5), a motor seat (6), a motor (7), a rotating shaft (9), a driven belt wheel (10), a transmission belt (11), a centrifugal impeller (12), a connecting device (15) and a current collector (16), wherein a cavity is arranged inside the box body (1), an upper opening is formed in the top end of the box body (1), the upper opening of the box body (1) is communicated with the cavity of the box body (1), a lower opening is formed in the bottom end of the box body (1), the lower opening of the box body (1) is communicated with the cavity of the box body (1), the upper opening of the box body (1) is fixedly connected with the input end of the bucket type connecting pipe (2), and a connector (3) is arranged at the output end of;
the mounting rack (4) is transversely and fixedly mounted in the middle of a cavity of the box body (1), a through hole penetrating through the top end and the bottom end of the mounting rack (4) is formed in the center of the top end of the mounting rack (4), the bearing block (5) is fixedly mounted in the middle of the bottom end of the mounting rack (4), and a bearing is arranged inside the bearing block (5); the rotating shaft (9) is positioned in the cavity of the box body (1), the rotating shaft (9) is fixedly arranged on a bearing inner ring of the bearing seat (5), and the top end of the rotating shaft (9) penetrates through a through hole of the mounting frame (4) and extends out of the mounting frame (4);
a cavity is arranged in the centrifugal impeller (12), a lower opening is formed in the bottom end of the centrifugal impeller (12), the lower opening of the centrifugal impeller (12) is communicated with the cavity of the centrifugal impeller (12), a sleeve opening (13) is formed in the lower opening of the centrifugal impeller (12), a blade barrier (14) is arranged on the outer wall of the circumference of the centrifugal impeller (12), the inner cavity of the centrifugal impeller (12) is communicated with the outside of the centrifugal impeller (12) through the blade barrier (14), a connecting device (15) is fixedly installed at the top end of the centrifugal impeller (12), and the bottom end of the rotating shaft (9) is fixedly connected with the connecting device (15);
the top end of the current collector (16) is inserted into the chamber of the box body (1) from the lower opening of the box body (1), and the middle part of the current collector (16) and the top end of the bottom end of the box body (1) which is connected with the current collector (16) are matched by a plurality of groups of bolts and nuts to extend into the sleeve opening (13) and not to be contacted with the sleeve opening (13);
the motor base (6) is fixedly arranged at the right end of the box body (1), the motor (7) is fixedly arranged on the motor base (6), and the output end of the motor (7) is provided with a driving belt wheel (8); the driven belt wheel (10) is fixedly arranged at the top of the rotating shaft (9), the driven belt wheel (10) is positioned above the mounting frame (4), and the driving belt wheel (8) and the driven belt wheel (10) are sleeved and tensioned by a driving belt wheel (11).
2. The large vertical direct-connection umbrella flow centrifugal fan as claimed in claim 1, wherein the top end of the mounting rack (4) is provided with a first reinforcing rib (17) and a second reinforcing rib (18), and four groups of reinforcing rods (24) are symmetrically arranged between the bottom end of the mounting rack (4) and the side wall in the cavity of the box body (1).
3. A large vertical direct-connection umbrella flow centrifugal fan as claimed in claim 2, wherein the right end of the box body (1) is fixedly provided with a protective cover (19) covering the driving pulley (8).
4. A large vertical direct-connection umbrella flow centrifugal fan according to claim 3, characterized in that the top end of the protective cover (19) is provided with heat dissipation holes (20).
5. The large vertical direct-connection umbrella flow centrifugal fan as claimed in claim 4, wherein two sets of anti-back nuts (21) are sleeved on the rotating shaft (9), the bottom end of the upper anti-back nut (21) is tightly attached to the top end of the driven pulley (10), and the top end of the lower anti-back nut (21) is tightly attached to the top end of the driven pulley (10).
6. A large vertical direct-connection umbrella flow centrifugal fan as claimed in claim 5, characterized in that the bottom end of the box body (1) is also provided with a flange (22).
7. A large vertical direct-connection umbrella flow centrifugal fan as claimed in claim 6, wherein four sets of hanging rings (23) are symmetrically arranged on the circumferential outer wall of the box body (1).
Technical Field
The invention relates to the technical field of dust removing equipment, in particular to a large vertical direct-connection umbrella flow centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fan extensively is used for ventilation, dust removal and the cooling of mill, mine, tunnel, cooling tower, vehicle, boats and ships and building, often uses horizontal centrifugal fan in current dust collecting equipment, because horizontal centrifugal fan inner structure complicacy leads to convulsions efficiency lower, and the practicality is relatively poor.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a large vertical direct-connection umbrella flow centrifugal fan, so that the air draft efficiency and the practicability of the fan are improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
A large vertical direct-connection umbrella flow centrifugal fan comprises a box body, a bucket-shaped connecting pipe, a mounting frame, a bearing seat, a motor, a rotating shaft, a driven belt wheel, a transmission belt, a centrifugal impeller, a connecting device and a current collector, wherein a cavity is arranged inside the box body; the mounting frame is transversely and fixedly mounted in the middle of a cavity of the box body, a through hole penetrating through the top end and the bottom end of the mounting frame is formed in the center of the top end of the mounting frame, the bearing block is fixedly mounted in the middle of the bottom end of the mounting frame, and a bearing is arranged inside the bearing block; the rotating shaft is positioned in the cavity of the box body and fixedly arranged on the bearing inner ring of the bearing seat, and the top end of the rotating shaft penetrates through the through hole of the mounting frame and extends out of the mounting frame;
a cavity is arranged in the centrifugal impeller, a lower opening is arranged at the bottom end of the centrifugal impeller, the lower opening of the centrifugal impeller is communicated with the cavity of the centrifugal impeller, a sleeve opening is arranged at the lower opening of the centrifugal impeller, a blade barrier is arranged on the circumferential outer wall of the centrifugal impeller, the blade barrier enables the cavity in the centrifugal impeller to be communicated with the outside of the centrifugal impeller, a connecting device is fixedly arranged at the top end of the centrifugal impeller, and the bottom end of the rotating shaft is fixedly connected with the connecting device; the top end of the current collector is inserted into the cavity of the box body from the lower opening of the box body, and the middle part of the current collector and the bottom end of the box body are connected with the top end of the current collector and extend into the sleeve opening without contacting with the sleeve opening by using the cooperation of a plurality of groups of bolts and nuts; motor cabinet fixed mounting is at the right-hand member of box, and motor fixed mounting is on the motor cabinet, and the output of motor is provided with driving pulley, and driven pulley fixed mounting is at the top of pivot, and driven pulley is located the top of mounting bracket, and the drive belt cover is established and the tensioning on driving pulley and driven pulley.
According to the large vertical direct-connection umbrella flow centrifugal fan, the top end of the mounting frame is provided with the first reinforcing rib and the second reinforcing rib, and four groups of reinforcing rods are symmetrically arranged between the bottom end of the mounting frame and the side wall in the chamber of the box body.
The invention relates to a large vertical direct-connection umbrella flow centrifugal fan, wherein a protective cover covering a driving belt wheel is fixedly arranged at the right end of a box body.
According to the large vertical direct-connection umbrella flow centrifugal fan, the heat dissipation holes are formed in the top end of the protection cover.
According to the large vertical direct-connection umbrella flow centrifugal fan, two groups of anti-return nuts are sleeved on the rotating shaft in a threaded mode, the bottom end of the upper anti-return nut is tightly attached to the top end of the driven belt wheel, and the top end of the lower anti-return nut is tightly attached to the top end of the driven belt wheel.
According to the large vertical direct-connection umbrella flow centrifugal fan, the flange plate is also arranged at the bottom end of the box body.
The invention relates to a large vertical direct-connection umbrella flow centrifugal fan, wherein four groups of hanging rings are symmetrically arranged on the circumferential outer wall of a box body.
Due to the adoption of the technical scheme, the technical progress of the invention is as follows.
According to the invention, the centrifugal impeller is provided with the blade barrier, the centrifugal impeller rotates to drive air in the centrifugal impeller cavity to rotate, and then the external air connected with the bottom end of the flow collector is pumped into the cavity of the box body through the flow collector and is discharged by the connector, so that the air pumping efficiency is higher under the matching of the centrifugal impeller and the flow collector, and the practicability is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an isometric schematic view of the present invention;
FIG. 3 is a schematic axial side view of a centrifugal impeller;
FIG. 4 is a schematic view of a centrifugal impeller configuration;
FIG. 5 is a schematic top view of the mounting bracket;
in the drawings, the reference numbers: 1. a box body; 2. a bucket type connecting pipe; 3. a connector; 4. a mounting frame; 5. a bearing seat; 6. a motor base; 7. a motor; 8. a driving pulley; 9. a rotating shaft; 10. a driven pulley; 11. a transmission belt; 12. a centrifugal impeller; 13. looping; 14. a blade barrier; 15. a connecting device; 16. a current collector; 17. a first reinforcing rib; 18. a second reinforcing rib; 19. a protective cover; 20. heat dissipation holes; 21. a back-off prevention nut; 22. a flange plate; 23. a hoisting ring; 24. a reinforcing rod.
Detailed Description
The invention will be described in further detail below with reference to the figures and specific examples.
A large vertical direct-connection umbrella flow centrifugal fan structurally comprises a box body 1, a bucket type connecting pipe 2, a mounting frame 4, a bearing seat 5, a motor seat 6, a motor 7, a rotating shaft 9, a driven belt wheel 10, a driving belt 11, a
The top that the inside of box 1 was provided with cavity box 1 is provided with the upper shed, and the upper shed of box 1 communicates with each other with the cavity of box 1, and the bottom of box 1 is provided with the under shed, and the under shed of box 1 communicates with each other with the cavity of box 1, and the upper shed of box 1 and the input fixed connection of bucket type connecting pipe 2, the output of bucket type connecting pipe 2 are provided with connector 3.
The horizontal fixed mounting of mounting bracket 4 is at the cavity middle part of box 1, and the center on 4 tops of mounting bracket is provided with the through-hole that runs through 4 tops of mounting bracket and bottom, and 5 fixed mounting of bearing frame are at the middle part of 4 bottoms of mounting bracket, and 5 inside bearings that are provided with of bearing frame. The rotating shaft 9 is located inside a cavity of the box body 1, the rotating shaft 9 is fixedly installed on a bearing inner ring of the bearing seat 5, and the top end of the rotating shaft 9 penetrates through a through hole of the mounting frame 4 and extends out of the upper portion of the mounting frame 4.
The top end of the mounting frame 4 is provided with a first reinforcing
The
The top end of the current collector 16 is inserted into the chamber of the box body 1 from the lower opening of the box body 1, and the top end of the current collector 16, which is connected with the bottom end of the box body 1 at the middle part of the current collector 16, is inserted into the sleeve opening 13 by using a plurality of groups of bolts and nuts in a matching way, and is not contacted with the
The motor base 6 is fixedly arranged at the right end of the box body 1, the motor 7 is fixedly arranged on the motor base 6, and the output end of the motor 7 is provided with a driving belt wheel 8; the driven belt wheel 10 is fixedly arranged at the top of the rotating shaft 9, the driven belt wheel 10 is positioned above the mounting frame 4, and the driving belt 11 is sleeved and tensioned on the driving belt wheel 8 and the driven belt wheel 10.
Two groups of anti-return nuts 21 are sleeved on the rotating shaft 9 in a threaded manner, the bottom end of the upper anti-return nut 21 is tightly attached to the top end of the driven belt wheel 10, and the top end of the lower anti-return nut 21 is tightly attached to the top end of the driven belt wheel 10; through installing two sets of nuts 21 that prevent moving back, reduce the driven pulleys 10 and rock or the pivoted condition emergence relatively 9 in the course of the work, improve the practicality.
A protection cover 19 is fixedly arranged at the right end of a box body 1, the protection cover 19 covers a driving belt wheel 8, and the left end of the protection cover 19 is connected with the right end of the box body 1; through cover establish louvre 20 on driving pulley 8, reduce the high-speed condition emergence of accidentally injuring personnel that rotates of driving pulley 8 in the course of the work, improve the security. The top end of the protective cover 19 is provided with a heat radiation hole 20; the heat dissipation holes 20 are formed in the top end of the protective cover 19, so that the heat dissipation effect of the driving pulley 8 inside the protective cover 19 is improved.
The bottom end of the box body 1 is also provided with a flange plate 22; through set up ring flange 22 in the bottom of box 1, convenience of customers is connected whole and other equipment with box 1 etc. and is connected, improves the convenience. Four groups of lifting rings 23 are symmetrically arranged on the circumferential outer wall of the box body 1; through setting up four rings 23, convenience of customers uses equipment such as loop wheel machine to come to remove box 1 etc. connection is whole, improves the convenience.
When the air-suction box works, firstly, the motor 7 is started, the rotating shaft 9 drives the
According to the large vertical direct connection umbrella flow centrifugal fan, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the large vertical direct connection umbrella flow centrifugal fan can be implemented as long as the beneficial effects of the large vertical direct connection umbrella flow centrifugal fan can be achieved; the motor of the large vertical direct-connection umbrella flow centrifugal fan is purchased from the market, and technicians in the industry only need to install and operate the motor according to the attached operating instructions.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
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