CN217873343U

CN217873343U - Multi-stage contra-rotating axial-flow type local ventilator

Info

Publication number: CN217873343U
Application number: CN202220570810.0U
Authority: CN
Inventors: 李宏业; 刘强; 薛超宏; 王鹏; 高俊强
Original assignee: Nuowenke Blower Fan Beijing Co ltd
Current assignee: Nuowenke Blower Fan Beijing Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-11-22
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a multistage axial-flow type auxiliary ventilating fan that disrotatory, including the barrel, the inboard left end fixedly connected with motor frame of barrel, the inboard fixed mounting of motor frame has drive arrangement, and the top fixed mounting of barrel has the electric wire box, and drive arrangement's output fixed mounting has the derailleur, and the output fixedly connected with pivot of derailleur, the fixed surface of pivot install a set of flabellum, and the inboard right-hand member fixed mounting of barrel has the bearing frame, and the pivot is kept away from the one end of derailleur and is rotated the inboard of connecting at the bearing frame. The utility model has the advantages that: when a plurality of disrotatory axial-flow type auxiliary ventilating fans are required to be connected and installed, two adjacent barrels in the disrotatory axial-flow type auxiliary ventilating fans are attached, so that the splicing rings on two sides of the sealing ring are spliced in the annular groove formed in the side surface of the barrel, the joint of the two barrels is sealed, and the condition that gas leaks from the joint of the barrels can be prevented during gas transmission.

Description

Multi-stage contra-rotating axial-flow type local ventilator

Technical Field

The utility model relates to a mining fan technical field specifically is multistage disrotatory axial-flow type auxiliary ventilating fan.

Background

The ventilator is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine. Ventilators are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical appliances, drying and sorting of grains, wind tunnel wind sources, inflation and propulsion of air cushion boats, and the like. The contra-rotating axial-flow type local fan is characterized by that a pair of mutually-contra-rotating impellers are used to convert the mechanical energy into gas pressure and kinetic energy, and its efficiency is high, pressure head is high and noise is low.

However, when the existing counter-rotating axial-flow type local fans are used in a mine, splicing is needed to be carried out, and long-distance gas conveying is formed, but most of the adjacent counter-rotating axial-flow type local fans are only connected through flanges, and gaps are easy to appear at the joints, so that conveying gas overflows the interiors of the counter-rotating axial-flow type local fans; moreover, when the adjacent counter-rotating axial-flow local fans are connected, deviation is easy to occur, and more time is consumed during splicing, so that the working efficiency of connection of the counter-rotating axial-flow local fans is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multistage contra-rotating axial-flow type local ventilator.

In order to achieve the above object, the utility model provides a following technical scheme:

multistage counter-rotating axial-flow type auxiliary ventilating fan, the novel nipple rectifier comprises a cylindrical shel, the inboard left end fixedly connected with motor frame of barrel, the inboard fixed mounting of motor frame has drive arrangement, the top fixed mounting of barrel has the electric wire box, drive arrangement's output fixed mounting has the derailleur, the output fixedly connected with pivot of derailleur, the fixed surface of pivot installs a set of flabellum, the inboard right-hand member fixed mounting of barrel has the bearing frame, the one end that the derailleur was kept away from in the pivot is rotated and is connected the inboard at the bearing frame, two be provided with the sealing washer between the barrel, the sealing washer is provided with the installation component with the junction of barrel, two the top and the bottom junction of barrel all are provided with coupling assembling, two the side junction of barrel is provided with the direction subassembly.

Preferably, the mounting assembly comprises an annular groove and an inserting ring, the annular groove is formed in each of two sides of the barrel, the inserting ring is fixedly connected to each of two sides of the sealing ring, and the inserting ring is inserted into the inner side of the annular groove.

Preferably, coupling assembling includes the connecting block, the equal fixedly connected with connecting block in top both ends and the bottom both ends of barrel, the connecting hole has been seted up to the side of connecting block, two be provided with connecting bolt between the connecting block that the barrel junction closes on, connecting bolt pegs graft in the inboard of connecting hole, connecting bolt's one end threaded connection has coupling nut.

Preferably, the guide assembly includes first fixed block and second fixed block, the side left end fixedly connected with second fixed block of barrel, the first fixed block of side right-hand member fixedly connected with of barrel, a set of first guide bar of right side fixedly connected with of first fixed block, a first guiding hole has been seted up on the right side of first fixed block, a set of second guiding hole has been seted up in the left side of second fixed block, a second guide bar of left side fixedly connected with of second fixed block.

The utility model has the advantages that: the utility model provides a multistage counter-rotating axial-flow type auxiliary ventilating fan, a barrel, the motor frame, the electric wire box, driving motor, the derailleur, the apparatus further comprises a rotating shaft, flabellum and bearing frame are counter-rotating axial-flow type auxiliary ventilating fan's basic structure, need connect when installing a plurality of counter-rotating axial-flow type auxiliary ventilating fans, laminate two adjacent barrels to among the counter-rotating axial-flow type auxiliary ventilating fan, make the grafting ring of sealing washer both sides peg graft in the ring channel that the barrel side was seted up, make the junction of two barrels sealed, thereby can be when gas transmission, prevent that gaseous from taking place the condition of leaking from the junction of barrel, and when assembling the concatenation to two adjacent counter-rotating axial-flow type auxiliary ventilating fans, need fix a position through the direction subassembly, align first guide bar on with the second fixed block on the first guide bar and the second fixed block, and peg graft in the second guide bar in the second guide hole, with the second guide bar on the second fixed block and the first guide hole on the first fixed block, the second guide bar can be aligned with the first guide bar on the first fixed block, the operation of the counter-rotating axial-flow type auxiliary ventilating fan through the connection nut, the connection of the adjacent counter-rotating axial-flow type auxiliary ventilating fan can be connected according to the efficiency of the adjacent connection, the operation of the counter-rotating axial-flow type auxiliary ventilating fan, the efficiency of the connection of the counter-rotating axial-flow type auxiliary ventilating fan, the adjacent connection is greatly, the efficiency, the counter-flow type auxiliary ventilating fan, the operation of the connection subassembly is improved.

Drawings

FIG. 1 is a schematic view of the basic structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of the part A of FIG. 1;

fig. 4 is a perspective view of the guide assembly of the present invention;

fig. 5 is a perspective view of the sealing ring of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in FIGS. 1-5, the multi-stage counter-rotating axial-flow type local ventilator provided by the utility model comprises a barrel 1, a supporting seat 10 is fixedly connected with the bottom of the barrel 1, the barrel 1 can be placed more stably through the supporting seat 10, a motor frame 2 is fixedly connected with the left end of the inner side of the barrel 1, a driving device 4 is fixedly installed at the inner side of the motor frame 2, a wire box 3 is fixedly installed at the top of the barrel 1, a speed changer 5 is fixedly installed at the output end of the driving device 4, a rotating shaft 6 is fixedly connected with the output end of the speed changer 5, a set of fan blades 7 are fixedly installed on the surface of the rotating shaft 6, a bearing seat 8 is fixedly installed at the right end of the inner side of the barrel 1, one end of the rotating shaft 6, which is far away from the speed changer 5, is rotatably connected at the inner side of the bearing seat 8, barrel 1, motor frame 2, electric wire box 3, driving motor 4, derailleur 5, pivot 6, flabellum 7 and bearing frame 8 are the essential structure of axial-flow type auxiliary ventilating fan that revolves, be provided with sealing washer 11 between two barrel 1, sealing washer 11 is provided with installation component 12 with the junction of barrel 1, when needing to connect the installation to a plurality of axial-flow type auxiliary ventilating fans that revolve, laminate two adjacent barrel 1 among the axial-flow type auxiliary ventilating fan that revolves, make the grafting ring 122 grafting of sealing washer 11 both sides in the ring channel 121 that barrel 1 side was seted up, make the junction of two barrels 1 sealed, thereby can be when gas transmission, prevent that the gaseous condition of taking place to leak from the junction of barrel 1.

The connecting assemblies 9 are arranged at the joints of the top and the bottom of the two barrels 1, the guiding assemblies 13 are arranged at the joints of the side surfaces of the two barrels 1, when two adjacent counter-rotating axial-flow type local ventilators are assembled and spliced, the guiding assemblies 13 are required to be positioned, the first guiding rods 134 on the first fixing blocks 131 are aligned with the second guiding holes 136 on the second fixing blocks 132, the first guiding rods 134 are inserted into the second guiding holes 136, the second guiding rods 135 on the second fixing blocks 132 are aligned with the first guiding holes 133 on the first fixing blocks 131, and the second guiding rods 135 are inserted into the first guiding holes 133, so that the connecting blocks 91 at the top and the bottom of the barrels 1 are positioned on the same horizontal line, the connecting bolts 93 are matched with the connecting nuts 94, the two adjacent counter-axial-flow type rotating local ventilators can be spliced, the aim of multi-stage splicing can be achieved according to requirements, and the adjacent counter-rotating axial-flow type local ventilators can be spliced through the guiding assemblies 13 and the connecting assemblies 9, and the adjacent counter-rotating axial-flow type local ventilators can be rapidly spliced, and the working efficiency of the counter-rotating local connection is greatly improved.

The installation component 12 comprises an annular groove 121 and a plug ring 122, the annular groove 121 is formed in both sides of the cylinder body 1, the plug ring 122 is fixedly connected to both sides of the sealing ring 11, the plug ring 122 is plugged in the annular groove 121, two adjacent counter-rotating axial-flow local fans are attached to the cylinder body 1, the plug rings 122 on both sides of the sealing ring 11 are plugged in the annular groove 121 formed in the side face of the cylinder body 1, and the joint of the two cylinder bodies 1 is sealed.

Coupling assembling 9 includes connecting block 91, the equal fixedly connected with connecting block 91 in barrel 1's top both ends and bottom both ends, connecting hole 92 has been seted up to connecting block 91's side, be provided with connecting bolt 93 between the connecting block 91 that two barrel 1 junctions close on, connecting bolt 93 pegs graft in the inboard of connecting hole 92, connecting bolt 93's one end threaded connection has coupling nut 94, make connecting block 91 at barrel 1 top and bottom be in on the same water flat line, cooperate coupling nut 94 through connecting bolt 93, can splice two adjacent disrotatory axial-flow type local fan, can realize the purpose of multistage concatenation as required.

The guide assembly 13 includes a first fixed block 131 and a second fixed block 132, the left end of the side of the cylinder 1 is fixedly connected with the second fixed block 132, the right end of the side of the cylinder 1 is fixedly connected with the first fixed block 131, the right side of the first fixed block 131 is fixedly connected with a set of first guide rods 134, the right side of the first fixed block 131 is provided with a first guide hole 133, the left side of the second fixed block 132 is provided with a set of second guide holes 136, the left side of the second fixed block 132 is fixedly connected with a second guide rod 135, the first guide rods 134 on the first fixed block 131 are aligned with the second guide holes 136 on the second fixed block 132, the first guide rods 134 are inserted into the second guide holes 136, the second guide rods 135 on the second fixed block 132 are aligned with the first guide holes 133 on the first fixed block 131, and the second guide rods 135 are inserted into the first guide holes 133, so that the connecting blocks 91 at the top and the bottom of the cylinder 1 are on the same horizontal line.

The working principle is as follows: the barrel 1, the motor frame 2, the wire box 3, the driving motor 4, the transmission 5, the rotating shaft 6, the fan blades 7 and the bearing seat 8 are basic structures of the counter-rotating axial-flow type local ventilator, when a plurality of counter-rotating axial-flow type local ventilators need to be connected and installed, the barrel 1 of two adjacent counter-rotating axial-flow type local ventilators are attached, the inserting rings 122 at two sides of the sealing ring 11 are inserted into the annular grooves 121 formed in the side surfaces of the barrel 1, the joint of the two barrel 1 is sealed, gas leakage from the joint of the barrel 1 can be prevented during gas transmission, when the two adjacent counter-rotating axial-flow type local ventilators are assembled and spliced, the positioning is needed to be carried out through the guide assembly 13, the first guide rod 134 on the first fixing block 131 is aligned with the second guide hole 136 on the second fixing block 132, and peg graft first guide bar 134 in second guiding hole 136, align second guide bar 135 on the second fixed block 132 with first guiding hole 133 on the first fixed block 131, and peg graft second guide bar 135 in first guiding hole 133, thereby can make the connecting block 91 of barrel 1 top and bottom be in same water flat line, through connecting bolt 93 cooperation coupling nut 94, can splice two adjacent counter-rotating axial-flow type auxiliary blowers, can realize the purpose of multistage concatenation as required, through guide assembly 13 and coupling assembling 9, can be quick splice adjacent counter-rotating axial-flow type auxiliary blowers, the work efficiency that counter-rotating axial-flow type auxiliary blowers connect has been improved greatly.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Multistage disrotatory axial-flow type auxiliary ventilating fan, its characterized in that: including barrel (1), the inboard left end fixedly connected with motor frame (2) of barrel (1), the inboard fixed mounting of motor frame (2) has drive arrangement (4), the top fixed mounting of barrel (1) has electric wire box (3), the output fixed mounting of drive arrangement (4) has derailleur (5), the output fixedly connected with pivot (6) of derailleur (5), the fixed surface of pivot (6) installs a set of flabellum (7), the inboard right-hand member fixed mounting of barrel (1) has bearing frame (8), the one end rotation connection inboard in bearing frame (8) of derailleur (5) is kept away from in pivot (6), two be provided with sealing washer (11) between barrel (1), sealing washer (11) are provided with installation component (12), two with the junction of barrel (1) the top and the bottom junction of barrel (1) all are provided with coupling assembling (9), two the side junction of barrel (1) is provided with direction subassembly (13).

2. A multistage counter-rotating axial flow ventilator as claimed in claim 1, wherein: the mounting assembly (12) comprises an annular groove (121) and an inserting ring (122), the annular groove (121) is formed in each of two sides of the barrel body (1), the inserting ring (122) is fixedly connected to each of two sides of the sealing ring (11), and the inserting ring (122) is inserted into the inner side of the annular groove (121).

3. A multistage counter-rotating axial flow ventilator as claimed in claim 1, wherein: coupling assembling (9) include connecting block (91), the equal fixedly connected with connecting block (91) in top both ends and the bottom both ends of barrel (1), connecting hole (92) have been seted up to the side of connecting block (91), two be provided with connecting bolt (93) between connecting block (91) that barrel (1) junction closes on, connecting bolt (93) are pegged graft in the inboard of connecting hole (92), the one end threaded connection of connecting bolt (93) has coupling nut (94).

4. The multi-stage counter-rotating axial-flow type local fan of claim 1, wherein: guide assembly (13) include first fixed block (131) and second fixed block (132), the side left end fixedly connected with second fixed block (132) of barrel (1), the first fixed block (131) of the side right-hand member fixedly connected with of barrel (1), a set of first guide bar (134) of the right side fixedly connected with of first fixed block (131), a first guiding hole (133) has been seted up on the right side of first fixed block (131), a set of second guiding hole (136) has been seted up on the left side of second fixed block (132), second guide bar (135) of the left side fixedly connected with of second fixed block (132).