CN218062811U

CN218062811U - Inside kuppe of multistage fan

Info

Publication number: CN218062811U
Application number: CN202222031354.5U
Authority: CN
Inventors: 郑涛; 蒋正苗; 张伟
Original assignee: Shaanxi Hangneng Power Technology Co ltd
Current assignee: Shaanxi Hangneng Power Technology Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-16
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses an inside kuppe of multistage fan relates to fan technical field, including connecting cover, fixed block and adjustment mechanism, be fixed with the first filter screen that switches on with the fan air outlet on the connecting cover, threaded connection has first bolt on the connecting cover, and fan laminating ground sets up, installs the fixed block on the fan air outlet, the utility model discloses a motor drive water conservancy diversion piece rotates, and a plurality of water conservancy diversion pieces can synchronous adjustment turned angle, through the space control fan amount of wind between a plurality of water conservancy diversion pieces, optimizes the air current runner, reduces the influence of external environment to the amount of wind, increases the water conservancy diversion effect, and the air current of fan export eliminates the noise that the fan produced through the amortization piece simultaneously, and the installation of amortization piece is realized through second bolt, inserted block and inflation strip, and this of inflation strip thermal expansion is injectd for the fan is in operation process, and the inflation strip is laminated with the inserted block more, improves the degree of stability of amortization piece installation.

Description

Inside kuppe of multistage fan

Technical Field

The utility model relates to a fan technical field specifically is an inside kuppe of multistage fan.

Background

Multistage fan wide application is in various smelting boilers, coal washery, mine flotation, sewage treatment and chemical industry make the occasion of gas etc. that need the air, it does also to be used to carry other non-corrosive gases, such as blast furnace air supply, sewage treatment aeration blast air, coke oven gas and shaft furnace sintering air supply etc, multistage fan's air outlet needs to switch on with the outside air in the use, and the outside air has certain wind direction and wind speed because environmental impact, can exert an influence to the air outlet amount of wind when the outside amount of wind is too big, for this reason, we provide the inside kuppe of a multistage fan.

SUMMERY OF THE UTILITY MODEL

For solving the problem that prior art exists, the utility model provides a multistage fan's inside kuppe loads in fan air outlet department, include:

the fan air outlet is communicated with a fan air outlet;

the fan is arranged in a mode of being attached to the ground, the fixing block is installed on an air outlet of the fan and in threaded connection with the first bolt, a connecting rod is fixed to one side of the connecting cover, a supporting frame is fixed to one side of the connecting rod, and an outer barrel is fixed to the supporting frame;

the adjusting mechanism is arranged on the outer barrel and comprises a flow deflector arranged on the outer barrel, a rotating rod is fixed to one end of the flow deflector extending into the outer barrel, a second bevel gear is fixed to the end, far away from the flow deflector, of the rotating rod, a motor is fixed in the outer barrel, and a first bevel gear meshed with the second bevel gear is fixed to the output end of the motor.

Preferably, the flow deflectors are arranged on the outer barrel in an annular array, the flow deflectors are not in contact with the connecting rod, and the outer barrel is provided with a rotating hole in rotating fit with the rotating rod.

Preferably, the second bevel gears are arranged in a central annular array relative to the first bevel gears, and the first bevel gears and the second bevel gears are perpendicular to each other.

Preferably, a second filter screen is fixed on one side of the outer cylinder, which is far away from the support frame, and the second filter screen is communicated with the inside of the outer cylinder.

Preferably, slots are formed in two sides of the flow deflector, silencing pieces matched with the slots are arranged on two sides of the flow deflector in a sliding mode, and second bolts are matched with the upper end of each silencing piece in a threaded mode.

Preferably, the flow deflector is in threaded connection with the second bolt, grooves are formed in two ends of the flow deflector, and the silencing piece extends into the bottoms of the grooves and is provided with the insertion block.

Preferably, an expansion strip is fixed in the groove, the expansion strip is in compression contact with the insert block, and the contact part of the insert block and the expansion strip is inwards recessed along the horizontal side relative to the insert block.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a motor drive water conservancy diversion piece rotates, the water conservancy diversion piece rotates and realizes through first bevel gear and second bevel gear, a plurality of water conservancy diversion pieces can synchronous regulation turned angle, through the space control fan amount of wind between a plurality of water conservancy diversion pieces, optimize the air current runner, reduce the influence of external environment to the amount of wind, increase the water conservancy diversion effect, the noise that the fan produced is eliminated through the amortization piece to the air current of fan export simultaneously, the second bolt is passed through in the installation of amortization piece, the inserted block and the inflation strip realize, this of inflation strip thermal expansion is injectd, make the fan in operation in-process, the inflation strip is laminated with the inserted block more, improve the stability of amortization piece installation.

Drawings

Fig. 1 is a schematic view of the internal structure of the fan of the present invention;

FIG. 2 is a schematic view of the inner structure of the outer barrel of the present invention;

FIG. 3 is a side view of the inner structure of the outer barrel of the present invention;

fig. 4 is a side view of the internal structure of the flow deflector of the present invention;

in the figure: 1. a fan; 2. a connecting cover; 3. a fixed block; 4. a first bolt; 5. a first filter screen; 6. a connecting rod; 7. a support frame; 8. an outer cylinder; 9. a second filter screen; 10. a motor; 11. a first bevel gear; 12. a flow deflector; 13. a rotating rod; 14. a second bevel gear; 15. a silencing sheet; 16. a second bolt; 17. inserting a block; 18. and (4) expanding the strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The following describes embodiments of the present invention with reference to the drawings

As shown in fig. 1-4, an inside kuppe of multistage fan, load at fan 1 air outlet department, including the connecting cover 2, fixed block 3 and adjustment mechanism, be fixed with the first filter screen 5 that switches on with fan 1 air outlet on the connecting cover 2, threaded connection has first bolt 4 on the connecting cover 2, fan 1 laminating ground sets up, install fixed block 3 on the fan 1 air outlet, fixed block 3 and first bolt 4 threaded connection, connecting cover 2 one side is fixed with connecting rod 6, connecting rod 6 one side is fixed with support frame 7, be fixed with urceolus 8 on the support frame 7, increase the area of contact of connecting cover 2 and fan 1 air outlet through fixed block 3 and first bolt 4, increase the stability of connecting cover 2 installation, the connecting rod 6 and the support frame 7 outside are laminated with fan 1 air outlet inner wall, increase and the stability between fan 1.

The adjusting mechanism, be provided with adjusting mechanism on the urceolus 8, adjusting mechanism is including setting up the water conservancy diversion piece 12 on the urceolus 8, water conservancy diversion piece 12 stretches into one of urceolus 8 and serves and be fixed with bull stick 13, the end that water conservancy diversion piece 12 was kept away from to bull stick 13 is fixed with second bevel gear 14, urceolus 8 internal fixation has motor 10, be fixed with first bevel gear 11 with second bevel gear 14 meshing on the motor 10 output, motor 10 and external power source switch electric connection, first bevel gear 11 is bigger than second bevel gear 14's diameter, utilize and guarantee sufficient area of contact, guarantee that first bevel gear 11 drives second bevel gear 14 and rotate.

What distinguish with common kuppe, the utility model discloses set up adjustment mechanism at 8 contact site of water conservancy diversion piece 12 and urceolus, after the installation of connecting cover 2, through the cooperation of first bolt 4 and fixed block 3, realize fixed to connecting cover 2, through motor 10, first bevel gear 11, the cooperation of second bevel gear 14 and bull stick 13, realize the regulation to water conservancy diversion piece 12 angle, the space between a plurality of water conservancy diversion pieces 12 is also real-time adjusts, the adjustment to the air outlet wind direction when adapting to external environment and changing.

For the above-mentioned use process, some further arrangements are that the adjusting mechanism improves the use effect of the diversion sheet 12, specifically:

one of them, water conservancy diversion piece 12 is the annular array and sets up on urceolus 8, and water conservancy diversion piece 12 and connecting rod 6 contactless have seted up on the urceolus 8 with 13 normal running fit's commentaries on classics holes of commentaries on classics, and one side that support frame 7 was kept away from to urceolus 8 is fixed with second filter screen 9, switches on in second filter screen 9 and the urceolus 8, and through changeing the spacing bull stick 13 in hole, the position between connecting rod 6 and the water conservancy diversion piece 12 is injectd, can realize the stable rotation of water conservancy diversion piece 12.

Secondly, the second bevel gears 14 are arranged in a central annular array relative to the first bevel gears 11, the first bevel gears 11 and the second bevel gears 14 are perpendicular to each other, and a connection relation is formed between the second bevel gears 14 and the first bevel gears 11 by limiting the positions of the second bevel gears 14 and the first bevel gears 11, so that the rotation stability of the guide vanes 12 is improved.

Thirdly, the slot has been seted up to water conservancy diversion piece 12 both sides, water conservancy diversion piece 12 both sides slide have with slot

complex amortization piece

15, 15 upper end screw-thread fit of amortization piece have second bolt 16, water

conservancy diversion piece

12 and 16 threaded connection of second bolt, water conservancy diversion piece 12 both ends are seted up flutedly, the bottom that amortization piece 15 stretched into the recess is installed inserted block 17, the recess internal fixation has inflation strip 18,

inflation strip

18 and 17 extrusion contact of inserted block, inserted block 17 is inwards sunken along horizontal side direction with the relative self of the contact site of inflation strip 18, inflation strip 18 adopts the plastics material, thermal expansion, the special material of inflation strip 18, promote the area of contact with inserted block 17, promote the stability of 15 installations of amortization piece.

Principle of operation

Before using, the silencing piece 15 is inserted into the slot of the flow deflector 12, meanwhile, the insert 17 enters the inside of the groove, the flow deflector 12 is fixed through the second bolt 16, the connecting cover 2 is attached to the air outlet of the fan 1, the connecting rod 6 and the support frame 7 are enabled to enter the air outlet of the fan 1, the inner wall of the air outlet of the fan 1 is attached, the connecting cover 2 is fixed to the fixed block 3 through the first bolt 4, the fan 1 generates heat when being started, the expansion strip 18 is heated to expand and is attached to the insert 17, the insert 17 is enabled to be fixed, when the air direction of the air outlet needs to be adjusted, the motor 10 is started, the motor 10 drives the first bevel gear 11 to rotate, the first bevel gear 11 drives the second bevel gear 14 to rotate, the second bevel gear 14 drives the flow deflector 12 to rotate through the rotating rod 13, the angles and the space sizes of the flow deflectors 12 are changed, and therefore the air direction is adjusted to increase the internal flow guiding effect of the air outlet of the fan 1.

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

Claims

1. The utility model provides an inside kuppe of multistage fan, loads in fan (1) air outlet department, its characterized in that includes:

the fan comprises a connecting cover (2), wherein a first filter screen (5) communicated with an air outlet of the fan (1) is fixed on the connecting cover (2), and a first bolt (4) is connected to the connecting cover (2) in a threaded manner;

the fan is characterized by comprising a fixing block (3), a fan (1) is arranged in a manner of being attached to the ground, the fixing block (3) is installed on an air outlet of the fan (1), the fixing block (3) is in threaded connection with a first bolt (4), a connecting rod (6) is fixed on one side of a connecting cover (2), a supporting frame (7) is fixed on one side of the connecting rod (6), and an outer barrel (8) is fixed on the supporting frame (7);

the adjusting mechanism is arranged on the outer barrel (8), the adjusting mechanism comprises a flow deflector (12) arranged on the outer barrel (8), the flow deflector (12) stretches into the outer barrel (8) to be fixed with a rotating rod (13), the end part of the rotating rod (13) far away from the flow deflector (12) is fixed with a second bevel gear (14), a motor (10) is fixed in the outer barrel (8), and a first bevel gear (11) meshed with the second bevel gear (14) is fixed on the output end of the motor (10).

2. The internal fairing of a multi-stage wind turbine as recited in claim 1, wherein: the flow deflectors (12) are arranged on the outer barrel (8) in an annular array, the flow deflectors (12) are not in contact with the connecting rod (6), and the outer barrel (8) is provided with rotating holes which are in rotating fit with the rotating rod (13).

3. The internal fairing of a multi-stage wind turbine as recited in claim 1, wherein: the second bevel gears (14) are arranged in a central annular array relative to the first bevel gears (11), and the first bevel gears (11) and the second bevel gears (14) are perpendicular to each other.

4. The internal fairing of a multi-stage wind turbine as recited in claim 1, wherein: and a second filter screen (9) is fixed on one side of the outer barrel (8) far away from the support frame (7), and the second filter screen (9) is communicated with the inner part of the outer barrel (8).

5. The internal fairing of a multi-stage wind turbine as recited in claim 1, wherein: slots are formed in two sides of the flow deflector (12), silencing pieces (15) matched with the slots are arranged on two sides of the flow deflector (12) in a sliding mode, and second bolts (16) are in threaded fit with the upper ends of the silencing pieces (15).

6. The internal fairing of a multi-stage wind turbine as recited in claim 1, wherein: the flow deflector (12) is in threaded connection with the second bolt (16), grooves are formed in two ends of the flow deflector (12), and the insertion block (17) is installed at the bottom of the silencing piece (15) extending into the grooves.

7. The internal fairing of a multi-stage wind turbine as recited in claim 6, wherein: an expansion strip (18) is fixed in the groove, the expansion strip (18) is in extrusion contact with the insertion block (17), and the contact part of the insertion block (17) and the expansion strip (18) is inwards recessed along the horizontal side relative to the insertion block.