CN212928043U

CN212928043U - Water turbine for six-working-condition bidirectional tidal power generation

Info

Publication number: CN212928043U
Application number: CN202021326368.4U
Authority: CN
Inventors: 韩俊峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-04-09
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a hydraulic turbine for two-way tidal power generation of six operating modes, including the connecting pipe, the inside of connecting pipe is provided with the rotation axis, and the surface of rotation axis is provided with the fixed block, the fixed block is served towards one of connecting pipe inner wall and has been seted up the draw-in groove, and the inside joint of draw-in groove has the fixture block, the fixture block is served fixedly connected with blade body towards one of connecting pipe inner wall, one side threaded connection of fixed block has first bolt, and first bolt and fixture block threaded connection, the both sides on rotation axis surface all overlap and are equipped with the bracing piece. Through the connecting pipe, reach the effect of carrying water, through the rotation axis, reach the rotatory effect of auxiliary blade body, through fixed block and draw-in groove, reach the effect of placing the fixture block, through fixture block and draw-in groove, reach the effect fixed to the blade body, through first bolt, reach the effect fixed to the fixture block, this hydraulic turbine conveniently changes the blade, and it is simple to change the step moreover, and it is more convenient to use.

Description

Water turbine for six-working-condition bidirectional tidal power generation

Technical Field

The utility model relates to a hydraulic turbine field especially relates to a hydraulic turbine that is used for two-way tidal power generation of six operating modes.

Background

The hydraulic generator set is driven by a hydraulic turbine, the capacity and the rotating speed of the hydraulic generator set have large variation range due to different natural conditions of a hydropower station, usually, a small hydraulic generator and a high-speed hydraulic generator driven by an impact hydraulic turbine mostly adopt horizontal structures, and a large or medium-sized speed-replacing generator mostly adopts vertical structures, and most of the hydropower stations are in places far away from cities and usually need to supply power to loads through longer transmission lines, so that a power system puts forward higher requirements on the operation stability of the hydraulic generator: motor parameters need to be carefully selected; the requirement on the rotational inertia of the rotor is large, so that the hydraulic generator is different from a steam turbine generator in appearance, and the rotor of the hydraulic generator is large in diameter and short in length. The water turbine generator set has short starting and grid connection time and flexible operation and scheduling, and is especially suitable for being used as a peak shaving unit and an accident standby unit besides general power generation.

When the hydraulic turbine is used, the hydraulic fluctuation is large due to the rapid water head change, the blade damage is easily caused, the conventional hydraulic turbine is inconvenient to replace the blade, the replacement steps are complex, and the hydraulic turbine for six-working-condition bidirectional tidal power generation is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a water turbine for six-working-condition bidirectional tidal power generation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hydraulic turbine for two-way tidal power generation of six operating modes, includes the connecting pipe, the inside of connecting pipe is provided with the rotation axis, just the surface of rotation axis is provided with the fixed block, the fixed block is served towards one of connecting pipe inner wall and has been seted up the draw-in groove, just the inside joint of draw-in groove has the fixture block, the fixture block is served fixedly connected with blade body towards one of connecting pipe inner wall, one side threaded connection of fixed block has first bolt, just first bolt and fixture block threaded connection, the both sides on rotation axis surface all are equipped with the bracing piece.

As an improved scheme of the utility model, the bracing piece is close to one of connecting tube inner wall and serves a first slider of fixedly connected with, first spout has been seted up on the inner wall of connecting tube, just first slider can slide in first spout.

As an improved scheme of the utility model, the bracing piece is close to the first connecting block of the equal fixedly connected with in both sides of the one end of connecting pipe inner wall, just threaded connection has the second bolt on the first connecting block, just second bolt and connecting pipe threaded connection.

As an improved scheme of the utility model, the opposite side fixedly connected with second connecting block of fixed block, just first bolt and second connecting block threaded connection, threaded connection has the knob on the second connecting block, just the end top of screwing in of knob is on first bolt.

As the utility model discloses an improvement scheme, the rotation axis on the surface and be located the equal fixedly connected with third connecting block in both sides of fixed block, just threaded connection has the third bolt on the third connecting block, just third bolt and rotation axis threaded connection.

As an improved scheme of the utility model, the front and the equal fixedly connected with second slider in the back of fixture block, the second spout has been seted up to the position that just corresponds with the second slider in the draw-in groove, just the second slider can slide in the second spout.

As an improved scheme of the utility model, the surface cover of rotation axis is equipped with the bearing, just the outer lane and the bracing piece fixed connection of bearing.

As an improved scheme of the utility model, the front of connecting pipe is provided with the apron, and the apron passes through fourth bolt and connecting pipe fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the effect of water delivery is achieved through the connecting pipe; the effect of assisting the rotation of the blade body is achieved through the rotating shaft; the effect of placing the clamping block is achieved through the fixing block and the clamping groove; the effect of fixing the blade body is achieved through the clamping block and the clamping groove; the effect of fixing the clamping block is achieved through the first bolt; the effect of supporting the rotating shaft is achieved through the supporting rod; the water turbine has the advantages that blades are convenient to replace, replacement steps are simple, and the use is more convenient.

2. In the utility model, the effect of assisting the movement of the support rod is achieved through the first slide block and the first slide groove, the support rod is also convenient to position, and the offset is avoided; the effect of fixing the supporting rod is achieved through the first connecting block and the second bolt, and falling is avoided; the first bolt can be positioned through the second connecting block and the knob, so that looseness is avoided; the effect of fixing the fixed block is achieved through the third connecting block and the third bolt, and the fixed block is convenient to disassemble; the effect of assisting the movement of the clamping block is achieved through the second sliding block and the second sliding groove, so that the blade body is conveniently positioned and fixed; through the bearing, reach the rotatory effect of auxiliary rotation axle, the fixed effect of multiplicable rotation axis.

Drawings

Fig. 1 is a front view of a water turbine for six-regime bi-directional tidal power generation;

fig. 2 is a structural sectional view of a water turbine for six-duty bidirectional tidal power generation;

FIG. 3 is a top view of the structure of the fixture block and the fixture block;

FIG. 4 is an enlarged view of a portion of the structure at A in FIG. 2;

fig. 5 is an enlarged view of a portion of the structure at B in fig. 2.

In the figure: 1. a connecting pipe; 2. a rotating shaft; 3. a fixed block; 4. a card slot; 5. a clamping block; 6. a blade body; 7. a first bolt; 8. a support bar; 9. a first slider; 10. a first chute; 11. a first connection block; 12. a second bolt; 13. a second connecting block; 14. a knob; 15. a third connecting block; 16. a third bolt; 17. a second slider; 18. a second chute; 19. a bearing; 20. and (7) a cover plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-5, a hydraulic turbine for six-operating mode bidirectional tidal power generation includes a connecting pipe 1, a cover plate 20 is arranged on the front surface of the connecting pipe 1, and the cover plate 20 is fixed with the connecting pipe 1 through a fourth bolt, a rotating shaft 2 is arranged inside the connecting pipe 1, and a fixed block 3 is arranged on the surface of the rotating shaft 2, a clamping groove 4 is formed in one end of the inner wall of the connecting pipe 1 facing the fixed block 3, a clamping block 5 is clamped inside the clamping groove 4, one end of the inner wall of the connecting pipe 1 facing the clamping block 5 is fixedly connected with a blade body 6, a first bolt 7 is in threaded connection with the right side of the fixed block 3, the first bolt 7 is in threaded connection with the clamping block. Connecting pipe 1 is used for carrying water, rotation axis 2 drives blade body 6 and rotates together, draw-in groove 4 on the fixed block 3 is used for placing fixture block 5, blade body 6 passes through fixture block 5 and fixed block 3 and connects on rotation axis 2, fixture block 5 is connected with fixed block 3 through first bolt 7, rotation axis 2 passes through bracing piece 8 and sets up in connecting pipe 1, this hydraulic turbine conveniently changes the blade, change step is simple moreover, it is more convenient to use.

Wherein, one end of the support rod 8 close to the inner wall of the connecting pipe 1 is fixedly connected with a first slide block 9, the inner wall of the connecting pipe 1 is provided with a first chute 10, and the first slide block 9 can slide in the first chute 10; through first slider 9 and first spout 10, reach the effect that auxiliary stay pole 8 removed, also conveniently fix a position bracing piece 8, avoid appearing the skew.

Wherein, both sides of one end of the support rod 8 close to the inner wall of the connecting pipe 1 are fixedly connected with a first connecting block 11, a second bolt 12 is connected on the first connecting block 11 in a threaded manner, and the second bolt 12 is connected with the connecting pipe 1 in a threaded manner; through first connecting block 11 and second bolt 12, reach the effect fixed to bracing piece 8, avoid appearing dropping.

The left side of the fixed block 3 is fixedly connected with a second connecting block 13, the first bolt 7 is in threaded connection with the second connecting block 13, a knob 14 is in threaded connection with the second connecting block 13, and the screwing-in end of the knob 14 abuts against the first bolt 7; through second connecting block 13 and knob 14, can fix a position first bolt 7, avoid appearing becoming flexible.

The surface of the rotating shaft 2 and two sides of the fixed block 3 are fixedly connected with third connecting blocks 15, third bolts 16 are connected to the third connecting blocks 15 in a threaded mode, and the third bolts 16 are connected with the rotating shaft 2 in a threaded mode; through third connecting block 15 and third bolt 16, reach the effect fixed to fixed block 3, also conveniently dismantle fixed block 3.

The front and the back of the clamping block 5 are both fixedly connected with a second sliding block 17, a second sliding groove 18 is formed in the clamping groove 4 and at a position corresponding to the second sliding block 17, and the second sliding block 17 can slide in the second sliding groove 18; through second slider 17 and second spout 18, reach the effect that supplementary fixture block 5 removed, conveniently fix a position blade body 6, conveniently fix.

Wherein, the surface of the rotating shaft 2 is sleeved with a bearing 19, and the outer ring of the bearing 19 is fixedly connected with the supporting rod 8; the bearing 19 assists the rotation of the rotary shaft 2, thereby increasing the fixing effect of the rotary shaft 2.

The utility model discloses a theory of operation is: when the blade damages, open apron 20 on the connecting pipe 1, demolish second bolt 12, sliding support 8, bracing piece 8 drives rotation axis 2 and shifts out connecting pipe 1, conveniently dismantle blade body 6, rotate first bolt 7, take first bolt 7 out from fixed block 3, remove blade body 6, blade body 6 drives fixture block 5 and takes out from draw-in groove 4, can dismantle blade body 6, make things convenient for operating personnel to change blade body 6.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A hydraulic turbine for six-condition bidirectional tidal power generation, comprising a connecting pipe (1), characterized in that: the inside of connecting pipe (1) is provided with rotation axis (2), just the surface of rotation axis (2) is provided with fixed block (3), draw-in groove (4) have been seted up towards one of connecting pipe (1) inner wall in fixed block (3), just the inside joint of draw-in groove (4) has fixture block (5), fixture block (5) are towards one of connecting pipe (1) inner wall serve fixedly connected with blade body (6), one side threaded connection of fixed block (3) has first bolt (7), just first bolt (7) and fixture block (5) threaded connection, the both sides on rotation axis (2) surface all overlap and are equipped with bracing piece (8).

2. A water turbine for six regime bi-directional tidal power generation according to claim 1, wherein: the utility model discloses a connecting pipe, including bracing piece (8), connecting pipe (1), bracing piece, first spout (10) have been seted up to bracing piece (8) and have served fixedly connected with first slider (9) near one of connecting pipe (1) inner wall, just first slider (9) can slide in first spout (10).

3. A water turbine for six regime bi-directional tidal power generation according to claim 1, wherein: the utility model discloses a bracing piece, including bracing piece (8), the equal first connecting block of both sides (11) of fixedly connected with of one end that is close to connecting pipe (1) inner wall, just threaded connection has second bolt (12) on first connecting block (11), just second bolt (12) and connecting pipe (1) threaded connection.

4. A water turbine for six regime bi-directional tidal power generation according to claim 1, wherein: the opposite side fixedly connected with second connecting block (13) of fixed block (3), just first bolt (7) and second connecting block (13) threaded connection, threaded connection has knob (14) on second connecting block (13), just the end top of screwing in of knob (14) is on first bolt (7).

5. A water turbine for six regime bi-directional tidal power generation according to claim 1, wherein: the rotary shaft is characterized in that the surface of the rotary shaft (2) is provided with third connecting blocks (15) which are fixedly connected with the two sides of the fixing block (3), third connecting blocks (15) are connected with third bolts (16) in a threaded mode, and the third bolts (16) are connected with the rotary shaft (2) in a threaded mode.

6. A water turbine for six regime bi-directional tidal power generation according to claim 1, wherein: the front and the back of the clamping block (5) are fixedly connected with second sliding blocks (17), second sliding grooves (18) are formed in the clamping grooves (4) and correspond to the second sliding blocks (17), and the second sliding blocks (17) can slide in the second sliding grooves (18).

7. A water turbine for six regime bi-directional tidal power generation according to claim 1, wherein: the surface cover of rotation axis (2) is equipped with bearing (19), just the outer lane and bracing piece (8) fixed connection of bearing (19).

8. A water turbine for six regime bi-directional tidal power generation according to claim 1, wherein: the front surface of the connecting pipe (1) is provided with a cover plate (20), and the cover plate (20) is fixedly connected with the connecting pipe (1) through a fourth bolt.