CN201180603Y

CN201180603Y - Hydroturbine

Info

Publication number: CN201180603Y
Application number: CNU2007201923796U
Authority: CN
Inventors: 周加行
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-10-30
Filing date: 2007-10-30
Publication date: 2009-01-14
Anticipated expiration: 2017-10-30

Abstract

The utility model discloses a hydraulic turbine, which comprises a shell, and a rotating drum, a main shaft and blades which are arranged in the outer shell, as well as end covers which are arranged at both ends of the main shaft and fixedly connected with the shell; the hydraulic turbine is characterized in that the main shaft is fixed at the center of the rotating drum; the blades are fixed on the rotating drum; the basic shape of the blades in the radial direction is an arc plate, and the basic shape of the blades in the axial direction is spiral; and a water inlet and a water outlet are formed on the outer shell. The hydraulic turbine has the advantages of simpler structure and higher efficiency.

Description

Water turbine

Technical field

The utility model relates to a kind of water turbine.

Background technique

Hydroelectric power need be used water turbine to change water flow impact pressure into power and offer generator, is the mode of obtaining electric power of a kind of environmental protection, cleaning.Traditional water turbine vertically is distributed in the mode of blade with blade in upright arrangement on the cylndrical surface.Because this turbine is simple in structure, especially in lower current, also can obtain high rotational speed, and do not need to increase diameter and can guarantee bigger flow area yet, therefore obtained extensive attention, and set about being devoted to its application aspect hydroelectric power.But this turbine efficiency is lower, makes this water turbine can not obtain extensively actual application, also needs it is updated.

The model utility content

The purpose of this utility model provides the higher water turbine of a kind of efficient.

The technological scheme that realizes the utility model purpose is: a kind of water turbine, comprise shell, and in the enclosure rotating cylinder, main shaft and blade are set, and the end cap that is arranged on the main shaft two ends and fixedlys connected with shell; Described main shaft is fixed on the rotating cylinder center, and described vanes fixed is on rotating cylinder; Described blade is that camber line shape is tabular in basic shape in the radial direction, and described blade basic shape in the axial direction is a spirality; Described shell is provided with water intake and water outlet.

Described blade is in the radial direction, thereby is camber line shape along the direction of self rotating is crooked.

Described water intake is arranged on an end of shell, and water outlet is provided with the other end of shell.

Also be provided with on the rotating cylinder and follow rotating cylinder and rotate together and be used for the separated dividing plate of blade, described divider upright is arranged on the rotating cylinder; Be equipped with corresponding water intake and water outlet between adjacent end cap and the dividing plate or on adjacent dividing plate and the shell between the dividing plate.

Between adjacent end cap and dividing plate, the axial length of adjacent dividing plate and the blade between the dividing plate is 0.5 times to 50 times of its radial width, is preferably 5 times to 20 times.

Described blade is 2 ° to 65 ° with the angle of central axis in the axial direction, is preferably 25 ° to 40 °.

Described water intake span in a circumferential direction is smaller or equal to the span between two adjacent blades.

The utlity model has positive effect:

(1) the utility model vanes fixed on rotating cylinder, and it is tabular that blade is arranged to camber line shape in basic shape in the radial direction, basic shape production spirality in the axial direction, also shell is provided with water intake and water outlet, compare with traditional water turbine, prolonged the working application time of current, thereby make full use of the energy of the current that enter, flow out from water outlet from water intake, it is changed into the kinetic energy of water turbine as much as possible, improved transformation efficiency, made the water turbine that makes have the efficient advantage of higher; Facts have proved that under same condition, compare with traditional water turbine, transformation efficiency of the present utility model can improve nearly 1 times.

(2) the utility model adopts the structural design of " blade is in the radial direction, thereby is camber line shape along the direction of self rotating is crooked ", the energy of current is transformed by blade as much as possible, thereby further improve the utility model ground transformation efficiency.

(3) the utility model adopts the structural design of " blade is 2 ° to 65 °, is preferably 25 ° to 40 ° with the angle of central axis in the axial direction ", and the energy of current is transformed by blade as much as possible.

(4) the utility model adopts the structural design of " water intake span in a circumferential direction is smaller or equal to the span between two adjacent blades ", reduced the in-fighting power that vacuum side of blade is caused by water impact, the energy of current is transformed by blade as much as possible.

(5) the utility model adopt " between adjacent end cap and the dividing plate or the axial length of adjacent dividing plate and the blade between the dividing plate be 0.5 times to 50 times of its radial width, be preferably 5 times to 20 times." structural design, the energy of current is transformed by blade as much as possible.

(6) the utility model also can be provided with on rotating cylinder and follow rotating cylinder and rotate together and be used for the separated dividing plate of blade, and between the adjacent end cap and dividing plate, be equipped with corresponding water intake and water outlet on adjacent dividing plate and the shell between the dividing plate, the concentration of energy of many current can be arrived together like this, thereby improve the kinetic energy of water turbine greatly, improve its output energy.

Description of drawings

Fig. 1 is a kind of perspective view of the present utility model;

The perspective view that Fig. 2 is a water turbine shown in Figure 1 when another angle is observed;

Fig. 3 is the front view of water turbine shown in Figure 1;

Fig. 4 is that the A of Fig. 3 is to view;

Fig. 5 is the perspective view of blade in the water turbine shown in Figure 1, main shaft and rotating cylinder assembly;

The perspective view that Fig. 6 is an assembly shown in Figure 5 when another angle is observed;

Fig. 7 is the front view of assembly shown in Figure 5;

Fig. 8 is that the B of Fig. 7 is to view;

Fig. 9 is that the C of Fig. 7 is to view;

Figure 10 is the perspective view of second kind of structure of the utility model;

Figure 11 be shown in Figure 10 shown in the perspective view of blade, main shaft, dividing plate and rotating cylinder assembly in the water turbine.

Reference character: shell 1, water intake 11, water outlet 12, rotating cylinder 2, main shaft 3, blade 4, end cap 5, dividing plate 6, pedestal 7.

Embodiment

(embodiment 1)

Fig. 1 to Fig. 9 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is a kind of perspective view of the present utility model; The perspective view that Fig. 2 is a water turbine shown in Figure 1 when another angle is observed; Fig. 3 is the front view of water turbine shown in Figure 1; Fig. 4 is that the A of Fig. 3 is to view; Fig. 5 is the perspective view of blade in the water turbine shown in Figure 1, main shaft and rotating cylinder assembly; The perspective view that Fig. 6 is an assembly shown in Figure 5 when another angle is observed; Fig. 7 is the front view of assembly shown in Figure 5; Fig. 8 is that the B of Fig. 7 is to view; Fig. 9 is that the C of Fig. 7 is to view.

Present embodiment is a kind of water turbine, sees Fig. 1 to Fig. 9, comprises shell 1, be arranged on rotating cylinder 2, main shaft 3 and blade 4 in the shell 1, and the end cap 5 that is arranged on main shaft 3 two ends and fixedlys connected with shell 1, described main shaft 3 is fixed on rotating cylinder 2 centers, and described blade 4 is fixed on the rotating cylinder 2; Described blade 4 is that camber line shape is tabular in basic shape in the radial direction, and described blade 4 basic shape in the axial direction is a spirality; Described shell 1 is provided with water intake 11 and water outlet 12; Described water intake 11 is arranged on an end of shell 1, and water outlet 12 is provided with the other end of shell 1.Described water intake 11 span in a circumferential direction is smaller or equal to the span between two adjacent blades 4.

Described blade 4 is in the radial direction, thereby also is that S among Fig. 8 is camber line shape to crooked along the direction of self rotating.

See Fig. 7, but described blade 4 in the axial direction with the angle α of central axis according to actual needs value be 2 ° to 65 °, be preferably 25 ° to 40 °, the angle α in the present embodiment then is 35 °.

See Fig. 7 and Fig. 8, the axial length a of the blade 4 between adjacent end cap 5 and end cap 5 generally is 0.5 times to 50 times of its radial width b, is preferably 5 times to 20 times, and the axial length a of the blade 4 in the present embodiment is 25 times of its radial width b.

(embodiment 2)

Figure 10 and Figure 11 have shown second kind of embodiment of the present utility model, and wherein Figure 10 is the perspective view of second kind of structure of the utility model; Figure 11 be shown in Figure 10 shown in the perspective view of blade, main shaft, dividing plate and rotating cylinder assembly in the water turbine.

Present embodiment is a kind of water turbine, see Figure 10 to Figure 11, present embodiment is substantially the same manner as Example 1, and difference is: also be provided with on the rotating cylinder 2 and follow rotating cylinder 2 and rotate together and be used for blade 4 separated dividing plates 6, described dividing plate 6 is vertically set on the rotating cylinder 2; Be equipped with corresponding water intake 11 and water outlet 12 between adjacent end cap 5 and the dividing plate 6 or on adjacent dividing plate 6 and the shell 1 between the dividing plate 6.The shell of present embodiment is provided with two water intakes 11 and two water outlets 12.

The axial length of the blade 4 between adjacent end cap 5 and dividing plate 6 be its radial width generally be 0.5 times to 50 times of its radial width b, be preferably 5 times to 20 times, present embodiment is 25 times.

Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to mode of execution of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all mode of executions.And these belong to conspicuous variation or the change that connotation of the present utility model extends out and still belong to protection domain of the present utility model.

Claims

1, a kind of water turbine, comprise shell (1), be arranged on rotating cylinder (2), main shaft (3) and blade (4) in the shell (1), and the end cap (5) that is arranged on main shaft (3) two ends and fixedlys connected with shell (1), it is characterized in that: described main shaft (3) is fixed on rotating cylinder (2) center, and described blade (4) is fixed on the rotating cylinder (2); Described blade (4) is that camber line shape is tabular in basic shape in the radial direction, and described blade (4) basic shape in the axial direction is a spirality; Described shell (1) is provided with water intake (11) and water outlet (12).

2, water turbine according to claim 1 is characterized in that: described blade (4) is in the radial direction, thereby is camber line shape along the direction of self rotating is crooked.

3, water turbine according to claim 1 is characterized in that: described water intake (11) is arranged on an end of shell (1), and water outlet (12) is provided with the other end of shell (1).

4, water turbine according to claim 1 is characterized in that: also be provided with on the rotating cylinder (2) and follow rotating cylinder (2) and rotate together and be used for the separated dividing plate of blade (4) (6), described dividing plate (6) is vertically set on the rotating cylinder (2); Be equipped with corresponding water intake (11) and water outlet (12) between adjacent end cap (5) and the dividing plate (6) or on adjacent dividing plate (6) and the shell (1) between the dividing plate (6).

5, according to the described water turbine of one of claim 1 to 4, it is characterized in that: between adjacent end cap (5) and the dividing plate (6), the axial length of adjacent dividing plate (6) and the blade (4) between the dividing plate (6) is 0.5 times to 50 times of its radial width.

6, water turbine according to claim 5 is characterized in that: between adjacent end cap (5) and the dividing plate (6), the axial length of adjacent dividing plate (6) and the blade (4) between the dividing plate (6) is 5 times to 20 times of its radial width.

7, water turbine according to claim 1 is characterized in that: described blade (4) is 2 ° to 65 ° with the angle of central axis in the axial direction.

8, water turbine according to claim 7 is characterized in that: described blade (4) is 25 ° to 40 ° with the angle of central axis in the axial direction.

9, water turbine according to claim 1 is characterized in that: described water intake (11) span in a circumferential direction is smaller or equal to the span between adjacent two blades (4).