CN202326419U

CN202326419U - Axial-flow type ventilator vane wheel device capable of adjusting angle

Info

Publication number: CN202326419U
Application number: CN2011204055594U
Authority: CN
Inventors: 付荣华
Original assignee: LUWA AIR ENGINEERING (SHANGHAI) Co Ltd
Current assignee: LUWA AIR ENGINEERING (SHANGHAI) Co Ltd
Priority date: 2011-10-21
Filing date: 2011-10-21
Publication date: 2012-07-11
Anticipated expiration: 2021-10-21

Abstract

The utility model relates to the technical field of axial-flow type ventilators, in particular to an axial-flow type ventilator vane wheel device capable of adjusting an angle. The vane wheel device comprises vanes (1), a wheel hub (2), clamping blocks (3), fixed plates (4) and fastening pieces (6), wherein mandrels of the vanes are arranged in the clamping blocks; the clamping blocks are fixed between an upper fixed plate and a lower fixed plate through the fastening pieces (6); the mandrels of the vanes can be adjusted in the clamping blocks (3) in a rotatable manner; a reference line (7) is arranged on the external circle surface of each mandrel of each vane (1); and an angle line (8) matched with each reference line is arranged on each clamping block (3). The axial-flow type ventilator vane wheel device has the advantages of novel structure and flexibility and convenience in use; the vanes can be arranged at different angles, so that the manufacturing cost is reduced; furthermore, the mounting angle of the adjustable vane wheel device is required to be adjusted before delivery, so that the adjustable vane wheel device can meet specific requirements on air pressure and air volume; and the adjustable vane wheel device is easy to operate and practical.

Description

The axial fan impeller unit of adjustable-angle

[technical field]

The utility model relates to the axial fan technical field, specifically a kind of axial fan impeller unit of adjustable-angle.

[background technique]

Axial fan is widely used in ventilation, dust discharge and the cooling that factory, mine, ventilator are widely used in factory, mine, tunnel, cooling tower, vehicle, boats and ships and building; The ventilation of boiler and industrial furnace and air inducing; Cooling in the apparatus of air conditioning and the domestic electric appliance and ventilation; The oven dry of cereal and select and recommend the inflation of wind-tunnel wind regime and Hovercraft and propelling etc.During axial fan work, the power engine drives impeller is rotated in cylindrical casing, and gas gets into from slip ring, obtains energy through impeller, improves pressure and speed, discharges vertically then.The small low-voltage propeller fan is made up of parts such as impeller, casing and slip rings, is installed in usually on the wall or ceiling board of building, and blade is evenly arranged on the wheel hub, and number is generally 2～24.Blade is many more, and blast is high more; Blade angle is generally 10 °～45 °, and established angle is big more, and air quantity and blast are big more.Existing impeller established angle all adopts fixed, and fixed to the design separately of different setting angle impellers, this has increased manufacture cost undoubtedly.

[summary of the invention]

The purpose of the utility model is exactly to solve above-mentioned deficiency, and a kind of axial fan impeller unit of adjustable-angle is provided, and can be fit to different setting angles to same impeller, has reduced manufacture cost.

For realizing that above-mentioned purpose has designed a kind of axial fan impeller unit of adjustable-angle; Comprise blade 1, wheel hub 2, clamp 3, fixed plate 4 and fastening piece 6; The footstalk of said blade 1 is installed in the clamp 3, and said clamp is fixed between the upper and lower fixing plate through fastening piece 6, and the footstalk of said blade 1 is rotatable adjusting in clamp 3; The footstalk outer round surface of said blade 1 is provided with reference line 7, and said clamp 3 is provided with the angle line 8 that matches with reference line 7.

Said clamp 3 is made up of upper clamping block 31, following clamp 32, and the footstalk of said blade 1 is embedded in the groove 9 between upper clamping block 31 and the following clamp 32, and said angle line 8 is engraved on the upper clamping block 31.

The utility model beneficial effect; Novel structure, use are very flexible, convenient, and the blade of the utility model can be fit to different setting angles; Not only reduced manufacture cost; And adjustable impeller device setting angle adjusts before dispatching from the factory, with blast and the air quantity that adapts to particular requirement, practicality simple to operate.

[description of drawings]

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the scheme of installation of the utility model;

Fig. 3 is the structural representation of the upper clamping block of the utility model;

Fig. 4 is the schematic representation of the spring sheet of the utility model;

Among the figure: 1 is blade, and 2 is wheel hub, and 3 is clamp, and 4 is fixed plate, and 5 is spring sheet, and 6 is fastening piece, and 7 is reference line, and 8 is angle line, and 9 is groove, and 10 is T-slot, and 11 is boss, and 31 is upper clamping block, and 32 are following clamp, and 41 is bottom plate.

[embodiment]

Further specify below below in conjunction with accompanying drawing the utility model being done:

Like accompanying drawing 1, shown in 2, the utility model adjustable axial-flow formula fan impeller external diameter maximum can reach 1.6m, through motor and the adjustment setting angle that is equipped with different capacity, can reach different blast and air quantity, satisfies the particular requirement of technological design.The utility model comprises blade 1, wheel hub 2, clamp 3, fixed plate 4 and fastening piece 6; Two places are provided with elongated reference line 7 on the footstalk outer round surface of said blade 1; Be used in reference in setting angle, clamp is carved with angle line 8 in the inboard that cooperates with the reference line 7 of blade.

During the impeller assembling, at first bottom plate 4 is placed on the frock clamping, wheel hub 2 places central authorities; To descend clamp 32 to tip upside down on the fixed block again, the boss on the following clamp passes the circular hole on the bottom plate respectively, then the blade footstalk is placed down on the clamp groove; And upper clamping block is buckled in the sharf shank, use then with quadrat method and successively other 9 groups of blades and clamp are placed on bottom plate, and another upper mounted plate is placed on whole 10 clamps; Simultaneously the boss of clamp passes the circular hole on the fixed plate, then with screw with blade, wheel hub; Clamp and fixed plate pretension; At this moment, each blade can rotate freely in the cylndrical surface that per two clamps constitute, but can not do axial motion.

After the adjustment peace finishes at the bottom of the established angle; With torque wrench with all screw tightenings; And all coat fastening glue in nut one side, and then spring sheet is passed the T-slot on the boss of the clamp outside, arrive the top of another boss; Because the top of another boss is slightly higher than the position of T-slot, spring sheet is therefore by tensioner.Spring sheet after the tensioner will provide safety guarantee with securing means for the adjustable impeller device simultaneously as cover before and after the mounted impeller on the one hand.

The utility model does not receive the restriction of above-mentioned mode of execution; Other any do not deviate from change, the modification done under spirit and the principle of the utility model, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within the protection domain of the utility model.

Claims

1. the axial fan impeller unit of an adjustable-angle; Comprise blade (1), wheel hub (2), clamp (3), fixed plate (4) and fastening piece (6); The footstalk of said blade (1) is installed in the clamp (3); Said clamp is fixed between the upper and lower fixing plate through fastening piece (6); It is characterized in that: the rotatable adjusting in clamp (3) of the footstalk of said blade (1), the footstalk outer round surface of said blade (1) is provided with reference line (7), and said clamp (3) is provided with the angle line (8) that matches with reference line (7).

2. the axial fan impeller unit of adjustable-angle as claimed in claim 1; It is characterized in that: said clamp (3) is made up of upper clamping block (31), following clamp (32); The footstalk of said blade (1) is embedded in the groove (9) between upper clamping block (31) and the following clamp (32), and said angle line (8) is engraved on the upper clamping block (31).