CN216477646U

CN216477646U - Detachable impeller for hydroelectric generating set

Info

Publication number: CN216477646U
Application number: CN202123259480.8U
Authority: CN
Inventors: 曾慧; 包涛
Original assignee: Zhenping Zhexi Hydropower Development Co ltd
Current assignee: Zhenping Zhexi Hydropower Development Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-10
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a dismantlement formula impeller that hydroelectric set used relates to the hydroelectric power generation equipment field. This dismantlement formula impeller that hydroelectric set used, the top fixed mounting of water wheel housing has asynchronous generator, the inside rotation of water wheel housing is connected with the impeller main part, the impeller main part includes rotating blade and pivot, the pivot activity is pegged graft at rotating blade's middle part, the top external surface fixed connection of pivot has the fixture block, asynchronous generator's pivot bottom fixed welding has the connecting sleeve, fixture block activity joint is in the inside of connecting sleeve, the surface of pivot just is located the activity and has cup jointed the spring between rotating blade and the connecting sleeve. This dismantlement formula impeller that hydroelectric set used, through upwards promoting then anticlockwise rotation with the pivot, loosen the pivot again, the pivot is pushed out from connecting sleeve's inside under the effect of spring this moment, conveniently carries out the rotor blade and changes.

Description

Detachable impeller for hydroelectric generating set

Technical Field

The utility model relates to a hydroelectric power generation equipment technical field specifically is a dismantlement formula impeller that hydroelectric set used.

Background

The hydroelectric generating set is an environment-friendly generating set which utilizes the power of water flow when flowing to impact an impeller so as to rotate the impeller, thereby driving a rotor of a generator to rotate and realizing hydroelectric generation.

And these small-size hydraulic turbine generating set's runoff is less, efficiency when guaranteeing the electricity generation, can make its inside impeller very frivolous usually, in order to alleviate the hindrance that its gravity and the inside frictional force of generating set caused power generation efficiency, but because when it uses, can not guarantee the limpidity of quality of water, consequently often have some graininess impurity to enter into inside, cause the damage to the impeller easily, make the impeller destroyed in the past for a long time, need change, and traditional impeller and inside pivot structure as an organic whole, need whole change during the change, it is more extravagant, the dismouting is also very troublesome simultaneously, the dismouting makes holistic leakproofness variation easily many times, the condition of infiltration appears from the mounted position easily, consequently, need provide a dismantlement formula impeller that hydraulic turbine generating set used in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model discloses a dismantlement formula impeller that hydroelectric set used to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a detachable impeller for a hydro-turbo generator set, comprising:

the water turbine comprises a water wheel housing, wherein an asynchronous generator is fixedly installed at the top of the water wheel housing, a water inlet pipe is fixedly installed on the side surface of the water wheel housing, an impeller main body is rotatably connected inside the water wheel housing, and the impeller main body is in transmission connection with a rotor of the asynchronous generator;

the impeller main body comprises rotating blades and a rotating shaft, the rotating shaft is movably inserted in the middle of the rotating blades, a clamping block is fixedly connected to the outer surface of the top end of the rotating shaft, a connecting sleeve is fixedly welded to the bottom end of a rotor of the asynchronous generator, the clamping block is movably clamped inside the connecting sleeve, a spring is movably sleeved on the outer surface of the rotating shaft, and two ends of the spring respectively abut against the upper surfaces of the rotating blades and the lower surface of the connecting sleeve.

Preferably, a clamping groove is formed in the connecting sleeve, and the clamping block is movably clamped in the clamping groove.

Preferably, an assembly groove is formed in the middle of the rotating blade, an assembly strip is fixedly connected to the outer surface of the middle of the rotating shaft, and the assembly strip is movably inserted into the assembly groove.

Preferably, the outer surface of the rotating shaft is fixedly sleeved with an anti-falling baffle ring on the lower surface of the rotating blade, and the bottom end of the rotating shaft is rotatably connected to the inside of the water wheel housing.

Preferably, one side of the water wheel housing opposite to the asynchronous generator is fixedly connected with a first fixing flange and a second fixing flange respectively, and the first fixing flange and the second fixing flange are fixedly installed through bolts.

Preferably, a first sealing groove and a second sealing groove are formed in the middle of one side, opposite to the first fixing flange and the second fixing flange, of the first fixing flange respectively, and sealing rubber rings are mounted inside the first sealing groove and the second sealing groove respectively.

Preferably, the bottom end of the asynchronous generator is fixedly connected with a sealing connection ring, the sealing connection ring is movably inserted into the water wheel housing, the middle part of the sealing rubber ring extends downwards to the inside of the water wheel housing, and the outer surface of the sealing connection ring is attached to the inner side wall of the sealing rubber ring.

The utility model discloses a dismantlement formula impeller that hydroelectric set used, its beneficial effect who possesses as follows:

1. this dismantlement formula impeller that hydroelectric set used, through upwards promoting the pivot, make the spring by further extrusion, fixture block rebound to the top of draw-in groove this moment, then with pivot anticlockwise rotation, make the fixture block just to the discharge gate of draw-in groove, then loosen the pivot, the pivot is pushed out from connecting sleeve's inside under the effect of spring this moment, then take off the spring, take off rotating vane from the top of pivot again, make assembly strip and fixture block all shift out through the assembly groove, conveniently carry out new rotating vane and change this moment.

2. This dismantlement formula impeller that hydroelectric set used through at the relative one side internally mounted of first mounting flange and second mounting flange has the seal gum ring, asynchronous generator's bottom fixedly connected with seal connecting ring simultaneously, the activity of seal connecting ring is pegged graft to the inside of water wheels housing, the middle part downwardly extending of seal gum ring to the inside of water wheels housing, the surface of seal connecting ring is laminated with the inboard wall of seal gum ring to this infiltration appears avoiding appearing between water wheels housing and the asynchronous generator.

Drawings

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

FIG. 2 is a schematic view of the inner top structure of the water wheel housing of the present invention;

FIG. 3 is a schematic view of the bottom structure in the asynchronous generator of the present invention;

fig. 4 is an exploded view of the outer surface structure of the impeller body of the present invention.

In the figure: 1. a water wheel housing; 2. an asynchronous generator; 3. a water inlet pipe; 4. an impeller body; 401. a rotor blade; 402. a rotating shaft; 5. a first fixed flange; 6. a first seal groove; 7. sealing the rubber ring; 8. a sealing connection ring; 9. a connecting sleeve; 10. a card slot; 11. a second seal groove; 12. a second fixed flange; 13. assembling a groove; 14. assembling the strip; 15. an anti-drop baffle ring; 16. a spring; 17. and (7) clamping blocks.

Detailed Description

The embodiment of the utility model discloses a detachable impeller for a hydroelectric generating set, as shown in figures 1-4, comprising a water wheel housing 1, wherein an asynchronous generator 2 is fixedly arranged at the top of the water wheel housing 1, a water inlet pipe 3 is fixedly arranged at the side surface of the water wheel housing 1, an impeller main body 4 is rotatably connected inside the water wheel housing 1, and the impeller main body 4 is in transmission connection with a rotor of the asynchronous generator 2;

meanwhile, the device further comprises an impeller main body 4 which comprises a rotating blade 401 and a rotating shaft 402, wherein the rotating shaft 402 is movably inserted in the middle of the rotating blade 401, a clamping block 17 is fixedly connected to the outer surface of the top end of the rotating shaft 402, a connecting sleeve 9 is fixedly welded to the bottom end of a rotor of the asynchronous generator 2, the clamping block 17 is movably clamped inside the connecting sleeve 9, a spring 16 is movably sleeved on the outer surface of the rotating shaft 402, and two ends of the spring 16 are respectively abutted to the upper surface of the rotating blade 401 and the lower surface of the connecting sleeve 9.

Referring to fig. 2-4, a clamping groove 10 is formed in the connecting sleeve 9, a clamping block 17 is movably clamped in the clamping groove 10, the clamping groove 10 is inverted to be in a J shape, and the clamping block 17 is kept clamped at the inner top of the clamping groove 10 under the action of a spring 16.

Referring to fig. 3-4, an assembly groove 13 is formed in the middle of the rotating blade 401, an assembly strip 14 is fixedly connected to the outer surface of the middle of the rotating shaft 402, and the assembly strip 14 is movably inserted into the assembly groove 13, so that the rotating blade 401 can drive the rotating shaft 402 to rotate when rotating.

Referring to fig. 4, the outer surface of the rotating shaft 402 and the lower surface of the rotating blade 401 are fixedly sleeved with the anti-drop baffle ring 15, the bottom end of the rotating shaft 402 is rotatably connected inside the water wheel housing 1, the rotating blade 401 is kept suspended inside the water wheel housing 1, and the blade is prevented from being scraped and rubbed with the inner side wall of the water wheel housing 1.

Referring to the attached drawings 1-3, one side of the water wheel housing 1 opposite to the asynchronous generator 2 is fixedly connected with a first fixing flange 5 and a second fixing flange 12 respectively, and the first fixing flange 5 and the second fixing flange 12 are fixedly installed through bolts, so that the water wheel housing 1 and the asynchronous generator 2 can be conveniently disassembled and assembled.

Referring to the attached drawings 2-3, a first sealing groove 6 and a second sealing groove 11 are respectively formed in the middle of one side, opposite to the first fixing flange 5 and the second fixing flange 12, a sealing rubber ring 7 is installed inside the first sealing groove 6 and the second sealing groove 11, a sealing connecting ring 8 is fixedly connected to the bottom end of the asynchronous generator 2, the sealing connecting ring 8 is movably inserted into the water wheel housing 1, the middle of the sealing rubber ring 7 extends downwards to the inside of the water wheel housing 1, the outer surface of the sealing connecting ring 8 is attached to the inner side wall of the sealing rubber ring 7, and the sealing performance between the water wheel housing 1 and the asynchronous generator 2 is improved.

The working principle is as follows: when the device is used, an external water source enters the interior of the water wheel housing 1 through the water inlet pipe 3 to impact the rotating blade 401, so that the rotating blade 401 rotates by taking the rotating shaft 402 as an axis, then water is discharged outwards through the bottom of the water wheel housing 1, and in the process, the rotating blade 401 drives the connecting sleeve 9 to rotate through the rotating shaft 402, so that a rotor in the asynchronous generator 2 rotates to generate power;

when the rotary blade 401 is damaged after a period of use, by removing the bolts from the outer surfaces of the first and second fixing flanges 5 and 12, then, the water wheel housing 1 is removed from the outer surface of the water wheel housing 401, at which time the sealing connection ring 8 is taken out from the inside of the water wheel housing 1, the seal ring 7 is then removed for replacement, and the shaft 402 is pushed upward, so that the spring 16 is further compressed, and the latch 17 moves upward to the top of the latch slot 10, then the rotating shaft 402 is rotated counterclockwise, so that the clamping block 17 is opposite to the discharge hole of the clamping groove 10, the spindle 402 is then released, at which point the spindle 402 is pushed out of the interior of the coupling sleeve 9 under the influence of the spring 16, the spring 16 is then removed, the rotor blade 401 is removed from the top of the shaft 402, so that the mounting bar 14 and the latch 17 are removed through the mounting groove 13, and at this time, the replacement of the new rotary blade 401 is facilitated.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a dismantlement formula impeller that hydroelectric set used which characterized in that includes:

the water turbine generator comprises a water wheel housing (1), wherein an asynchronous generator (2) is fixedly installed at the top of the water wheel housing (1), a water inlet pipe (3) is fixedly installed on the side surface of the water wheel housing (1), an impeller main body (4) is rotatably connected inside the water wheel housing (1), and the impeller main body (4) is in transmission connection with a rotor of the asynchronous generator (2);

the impeller main body (4) comprises a rotating blade (401) and a rotating shaft (402), the rotating shaft (402) is movably inserted in the middle of the rotating blade (401), a clamping block (17) is fixedly connected to the outer surface of the top end of the rotating shaft (402), a connecting sleeve (9) is fixedly welded at the bottom end of a rotor of the asynchronous generator (2), the clamping block (17) is movably clamped inside the connecting sleeve (9), a spring (16) is sleeved on the outer surface of the rotating shaft (402), and two ends of the spring (16) are respectively abutted to the upper surface of the rotating blade (401) and the lower surface of the connecting sleeve (9).

2. The detachable impeller for the hydroelectric generating set according to claim 1, wherein: a clamping groove (10) is formed in the connecting sleeve (9), and the clamping block (17) is movably clamped in the clamping groove (10).

3. The detachable impeller for the hydroelectric generating set according to claim 1, wherein: an assembly groove (13) is formed in the middle of the rotating blade (401), an assembly strip (14) is fixedly connected to the outer surface of the middle of the rotating shaft (402), and the assembly strip (14) is movably inserted into the assembly groove (13).

4. The detachable impeller for the hydroelectric generating set according to claim 3, wherein: the outer surface of pivot (402) just is located the fixed anticreep of cup jointing of lower surface of rotating blade (401) and keeps off ring (15), the bottom of pivot (402) is rotated and is connected in the inside of water wheels housing (1).

5. The detachable impeller for the hydroelectric generating set according to claim 1, wherein: one side that waterwheel housing (1) and asynchronous generator (2) are relative is fixedly connected with first mounting flange (5) and second mounting flange (12) respectively, pass through bolt fixed mounting between first mounting flange (5) and second mounting flange (12).

6. The detachable impeller for the hydroelectric generating set according to claim 5, wherein: first seal groove (6) and second seal groove (11) have been seted up respectively in the relative one side middle part of first mounting flange (5) and second mounting flange (12), the internally mounted of first seal groove (6) and second seal groove (11) has seal rubber ring (7).

7. The detachable impeller for the hydroelectric generating set according to claim 6, wherein: the bottom fixedly connected with of asynchronous generator (2) seals go-between (8), seal go-between (8) activity is inserted to the inside of water wheels housing (1), the middle part of seal gum ring (7) extends downwards to the inside of water wheels housing (1), the surface of seal go-between (8) is laminated with the inboard wall of seal gum ring (7).