CN112128038A

CN112128038A - Adjustable impeller structure and hydroelectric power generation equipment

Info

Publication number: CN112128038A
Application number: CN202010990459.6A
Authority: CN
Inventors: 李冰; 李志龙
Original assignee: 湖南九耐环保科技发展有限公司
Current assignee: Hunan Xinshao Xiaoxi Hydropower Development Co ltd
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2020-12-25
Anticipated expiration: 2040-09-19
Also published as: CN112128038B

Abstract

The invention relates to an adjustable impeller structure and hydroelectric power generation equipment, which comprise a shell, a rear cover detachably connected with the shell, and a plurality of blades, wherein a rotating shaft penetrating through the side wall of the shell is fixed on one side of each blade facing the shell, a first bevel gear is fixed on one end of the rotating shaft, which is far away from the blades, the first bevel gear is meshed with a second bevel gear rotatably arranged on the rear cover, and the second bevel gear is connected with an adjusting mechanism arranged on the outer side of the shell; the rotating shaft is further provided with a limiting disc, the limiting disc is provided with a plurality of limiting holes, and the limiting holes are matched with bayonet lock components arranged on the rear cover. The adjusting mechanism is separated from the rear cover, the bayonet lock component is automatically separated from the limiting hole at the moment, the adjusting mechanism arranged drives the second bevel gear to rotate, and when the second bevel gear rotates, the second bevel gear rotates through the first bevel gear meshed with the second bevel gear, so that the rotating shaft and the blades connected with the rotating shaft are driven to rotate, and the placing angle of the blades is changed.

Description

Adjustable impeller structure and hydroelectric power generation equipment

Technical Field

The invention relates to the related technical field of hydropower generation, in particular to an adjustable impeller structure and hydropower generation equipment.

Background

Hydroelectric power generation, and scientific technology for researching technical and economic problems of engineering construction, production, operation and the like for converting water energy into electric energy. The water energy utilized by hydroelectric power generation is mainly potential energy stored in water. In order to convert water energy into electric energy, different types of hydropower stations need to be built.

The potential energy contained in rivers, lakes and the like which are located at high positions and have potential energy is converted into the kinetic energy of a water turbine by utilizing the water flow to be a motive power to drive a generator to generate electric energy. The hydraulic machine (water turbine) is pushed to rotate by utilizing water power (with a water head), the water power is converted into mechanical energy, if another machine (generator) is connected to the water turbine and rotates along with the water turbine, electricity can be generated, and the mechanical energy is converted into electric energy. Hydroelectric power generation is in a sense the process of converting the potential energy of water into mechanical energy and then into electrical energy.

Can adopt impeller mechanism in hydroelectric power generation equipment, but current impeller is in an organic whole with wheel hub and forms the state, or direct welded fastening, can't realize angle modulation, and application range has some restrictions, can't satisfy different user demands.

Disclosure of Invention

The present invention is directed to an adjustable impeller structure to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

an adjustable impeller structure comprises a shell, a rear cover detachably connected with the shell and a plurality of blades, wherein a rotating shaft penetrating through the side wall of the shell is fixed on one side of each blade facing the shell, a first bevel gear is fixed at one end, away from the blades, of the rotating shaft, and is meshed with a second bevel gear rotatably installed on the rear cover and connected with an adjusting mechanism arranged on the outer side of the shell;

still install spacing dish in the pivot, be provided with a plurality of spacing holes on the spacing dish, spacing hole is in with the setting the bayonet lock subassembly adaptation that covers after, just the bayonet lock subassembly with adjustment mechanism butt, when adjustment mechanism with after the lid is fixed, the bayonet lock subassembly is in automatic card is put in under adjustment mechanism's the effect spacing downthehole.

As a further scheme of the invention: the outside of pivot is still rotated and is installed solid fixed ring, gu fixed ring with the inner wall fixed connection of shell.

As a still further scheme of the invention: the shell is fixedly connected with the rear cover through a plurality of first fixing bolts.

As a still further scheme of the invention: adjustment mechanism include with the regulating plate of connection can be dismantled to the back lid and fix carousel on the regulating plate, the regulating plate is kept away from one side of carousel is fixed with the regulating spindle, the regulating spindle insert put with the second bevel gear is fixed and with the back lid rotates in the adjusting sleeve who connects to it is spacing to slide through spacing subassembly.

As a still further scheme of the invention: cover after and be provided with a plurality of fixed orificess, it is a plurality of the fixed orificess is the axial setting and is in cover after cover, be provided with two at least through-holes that are used for second fixing bolt to run through on the regulating plate, second fixing bolt with fixed orifices screw-thread fit.

As a still further scheme of the invention: the limiting assembly comprises at least one strip limiting block fixed on the adjusting shaft and a strip limiting groove arranged on the inner side of the adjusting sleeve and in sliding fit with the strip limiting block.

As a still further scheme of the invention: the bayonet lock subassembly is established including running through bayonet lock and the cover of back lid spring on the bayonet lock, the spring is located the activity inslot that covers after, just the both ends of spring respectively with the tip in activity groove and fixing extension butt on the bayonet lock, work as the bayonet lock card is put in when spacing downthehole, the spring is in compression state.

A hydroelectric power generation device comprises an adjustable impeller structure.

Compared with the prior art, the invention has the beneficial effects that: the adjusting mechanism is novel in design, the clamping pin assembly is automatically separated from the limiting hole at the moment, the second bevel gear is driven to rotate through the arranged adjusting mechanism, and when the second bevel gear rotates, the first bevel gear meshed with the second bevel gear rotates to drive the rotating shaft and the blades connected with the rotating shaft to rotate so as to change the placing angles of the blades, so that different requirements are met, the application range is wide, and the practicability is high.

Drawings

Fig. 1 is a front view of an adjustable impeller structure.

Fig. 2 is a front sectional view of an adjustable impeller structure.

Fig. 3 is a side sectional view of an adjustable impeller structure.

Fig. 4 is an enlarged view of a structure at a in fig. 3.

Fig. 5 is an enlarged view of the structure at B in fig. 3.

Fig. 6 is a schematic view of the connection state between the adjusting shaft and the adjusting sleeve in the adjustable impeller structure.

In the figure: 1-rear cover, 2-adjusting plate, 3-rotary table, 4-first fixing bolt, 5-second fixing bolt, 6-blade, 7-rotary shaft, 8-fixing ring, 9-limiting disc, 10-limiting hole, 11-outer shell, 12-first bevel gear, 13-second bevel gear, 14-bayonet, 15-movable groove, 16-spring, 17-adjusting shaft and 18-adjusting sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 6, in an embodiment of the present invention, an adjustable impeller structure includes a housing 11, a back cover 1 detachably connected to the housing 11, and a plurality of blades 6, wherein a rotating shaft 7 penetrating through a side wall of the housing 11 is fixed to one side of each blade 6 facing the housing 11, a first bevel gear 12 is fixed to one end of the rotating shaft 7 away from the blade 6, the first bevel gear 12 is engaged with a second bevel gear 13 rotatably installed on the back cover 1, and the second bevel gear 13 is connected to an adjusting mechanism disposed outside the housing 11; still install spacing dish 9 on the pivot 7, be provided with a plurality of spacing holes 10 on the spacing dish 9, spacing hole 10 is in with the setting bayonet lock subassembly adaptation on the back lid 1, just the bayonet lock subassembly with adjustment mechanism butt works as when adjustment mechanism with back lid 1 is fixed, the bayonet lock subassembly is in automatic card is put in under adjustment mechanism's the effect in spacing hole 10.

In the embodiment of the invention, the adjusting mechanism is separated from the rear cover 1, at the moment, the bayonet lock component is automatically separated from the limiting hole 10, the second bevel gear 13 is driven to rotate by the arranged adjusting mechanism, and when the second bevel gear 13 rotates, the first bevel gear 12 meshed with the second bevel gear rotates to drive the rotating shaft 7 and the blades 6 connected with the rotating shaft 7 to rotate so as to change the placing angles of the blades 6, so that different requirements are met, the application range is wide, and the practicability is strong.

In the embodiment of the invention, after the adjusting mechanism is fixed with the rear cover 1, the second bevel gear 13 realizes position fixing, the rotating shaft 7 is fixed through the meshing relation with the first bevel gear 12, and meanwhile, the position fixing of the limiting disc 9 is realized through clamping of the clamping pin component and the limiting hole 10, further fixing of the rotating shaft 7 is realized, and the stability of the rotating shaft 7 and the blades 6 in the using process is improved.

As an embodiment of the present invention, a fixing ring 8 is further rotatably mounted on an outer side of the rotating shaft 7, and the fixing ring 8 is fixedly connected with an inner wall of the housing 11.

In the embodiment of the invention, the fixed ring 8 is rotatably connected with the rotating shaft 7, so that the position of the rotating shaft 7 is fixed, and the rotating shaft 7 is ensured not to have position deviation in the adjusting process.

As an embodiment of the present invention, the housing 111 is fixedly connected to the rear cover 1 by a plurality of first fixing bolts 4.

In the embodiment of the present invention, the housing 111 and the rear cover 1 are fixed by the first fixing bolt 4, so that the subsequent detachment is facilitated, and the firmness is high.

As an embodiment of the present invention, the adjusting mechanism includes an adjusting plate 2 detachably connected to the back cover 1 and a rotating plate 3 fixed to the adjusting plate 2, an adjusting shaft 17 is fixed to a side of the adjusting plate 2 away from the rotating plate 3, and the adjusting shaft 17 is inserted into an adjusting sleeve 18 fixed to the second bevel gear 13 and rotatably connected to the back cover 1, and is limited by a limiting component in a sliding manner.

In the embodiment of the present invention, the adjusting plate 2 is driven to rotate by the rotating disc 3, and when the adjusting plate 2 rotates, the second bevel gear 13 is driven to rotate by the action of the adjusting shaft 17 and the adjusting sleeve 18, so as to achieve the adjustment requirement, wherein it should be noted that the adjusting sleeve 18 is rotatably connected with the rear cover 1, and no axial movement occurs.

As an embodiment of the present invention, the rear cover 1 is provided with a plurality of fixing holes, the plurality of fixing holes are axially arranged on the rear cover 1, the adjusting plate 2 is provided with at least two through holes for passing second fixing bolts 5, and the second fixing bolts 5 are in threaded fit with the fixing holes.

In the embodiment of the invention, the second fixing bolt 5 is matched with the fixing hole on the rear cover 1 to fix the adjusting plate 2 relative to the rear cover 1, and the plurality of fixing holes are arranged to be matched with the second fixing bolt 5 through other fixing holes after the adjusting plate 2 is adjusted, so as to meet the adjusting requirement.

As an embodiment of the present invention, the limiting component includes at least one strip-shaped limiting block fixed on the adjusting shaft 17 and a strip-shaped limiting groove disposed inside the adjusting sleeve 18 and slidably engaged with the strip-shaped limiting block.

In the embodiment of the invention, the strip-shaped limiting block is in sliding fit with the strip-shaped limiting groove, so that the adjusting shaft 17 can drive the adjusting sleeve 18 to rotate when rotating, and the axial sliding of the adjusting shaft 17 along the adjusting sleeve 18 is not influenced.

As an embodiment of the present invention, the bayonet lock assembly includes a bayonet lock 14 penetrating through the rear cover 1 and a spring 16 sleeved on the bayonet lock 14, the spring 16 is located in a movable groove 15 on the rear cover 1, two ends of the spring 16 respectively abut against an end of the movable groove 15 and an extending member fixed on the bayonet lock 14, and when the bayonet lock 14 is snapped in the limiting hole 10, the spring 16 is in a compressed state.

In the embodiment of the present invention, it can be understood that, when the adjusting plate 2 is fixed on the back cover 1, the adjusting plate 2 presses the bayonet 14, so that the bayonet 14 is clamped in the limiting hole 10, and the spring 16 is in a pressing state, when adjustment is required, the adjusting plate 2 is separated from the back cover 1, and at this time, the bayonet 14 is automatically separated from the limiting hole 10 under the action of the spring 16, thereby improving the convenience of adjustment.

As an embodiment of the invention, the invention further provides hydraulic power generation equipment, which comprises the adjustable impeller structure.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An adjustable impeller structure is characterized by comprising a shell (11), a rear cover (1) detachably connected with the shell (11) and a plurality of blades (6), wherein a rotating shaft (7) penetrating through the side wall of the shell (11) is fixed on one side, facing the shell (11), of each blade (6), a first bevel gear (12) is fixed at one end, away from the blades (6), of each rotating shaft (7), the first bevel gear (12) is meshed with a second bevel gear (13) rotatably installed on the rear cover (1), and the second bevel gear (13) is connected with an adjusting mechanism arranged on the outer side of the shell (11);

still install spacing dish (9) on pivot (7), be provided with a plurality of spacing holes (10) on spacing dish (9), spacing hole (10) are in with the setting bayonet lock subassembly adaptation on back lid (1), just the bayonet lock subassembly with the adjustment mechanism butt works as adjustment mechanism with when back lid (1) is fixed, the bayonet lock subassembly is in automatic card is put in under adjustment mechanism's the effect in spacing hole (10).

2. The adjustable impeller structure as claimed in claim 1, wherein a fixing ring (8) is further rotatably mounted on the outer side of the rotating shaft (7), and the fixing ring (8) is fixedly connected with the inner wall of the housing (11).

3. The adjustable impeller structure according to claim 1, characterized in that the housing (11) is fixedly connected with the back cover (1) by a plurality of first fixing bolts (4).

4. The adjustable impeller structure of claim 1, wherein the adjusting mechanism comprises an adjusting plate (2) detachably connected with the back cover (1) and a rotary plate (3) fixed on the adjusting plate (2), an adjusting shaft (17) is fixed on one side of the adjusting plate (2) far away from the rotary plate (3), and the adjusting shaft (17) is inserted into an adjusting sleeve (18) fixed with the second bevel gear (13) and rotatably connected with the back cover (1) and is limited in sliding through a limiting component.

5. The adjustable impeller structure according to claim 4, characterized in that a plurality of fixing holes are provided on the back cover (1), the fixing holes are axially provided on the back cover (1), at least two through holes for the second fixing bolts (5) to pass through are provided on the adjusting plate (2), and the second fixing bolts (5) are in threaded fit with the fixing holes.

6. The adjustable impeller structure according to claim 4, wherein the limiting component comprises at least one strip-shaped limiting block fixed on the adjusting shaft (17) and a strip-shaped limiting groove arranged at the inner side of the adjusting sleeve (18) and in sliding fit with the strip-shaped limiting block.

7. The adjustable impeller structure according to claim 1, wherein the bayonet lock assembly comprises a bayonet lock (14) penetrating through the back cover (1) and a spring (16) sleeved on the bayonet lock (14), the spring (16) is located in a movable groove (15) on the back cover (1), two ends of the spring (16) are respectively abutted to an end part of the movable groove (15) and an extending piece fixed on the bayonet lock (14), and when the bayonet lock (14) is clamped in the limiting hole (10), the spring (16) is in a compressed state.

8. Hydroelectric power generation apparatus, comprising an adjustable impeller structure according to any one of claims 1 to 7.