CN216407022U - Novel hydraulic turbine shutdown sealing device - Google Patents

Abstract

The utility model relates to the technical field of water turbines, in particular to a novel water turbine stopping sealing device which comprises an equipment support, wherein a protective shell is fixedly arranged on the equipment support, a stopping mechanism for controlling water flow is arranged in the protective shell, the stopping mechanism comprises a second water pipe, two symmetrical circular rings are fixedly arranged on the inner side wall of the second water pipe, and a central rod is movably arranged in each circular ring. To improve the controllability of the device.

Description

Novel hydraulic turbine shutdown sealing device

Technical Field

The application relates to the technical field of water turbines, in particular to a novel water turbine stopping sealing device.

Background

The hydraulic turbine is a power machine for converting the energy of water flow into rotary mechanical energy, and belongs to the turbine machinery in fluid machinery. As early as 100 years before the Yuan, China has developed a rudiment of a water turbine, namely a water wheel, which is used for pumping irrigation and driving grain processing equipment. Modern water turbines are mostly installed in hydropower stations and are used for driving generators to generate electricity. In a hydropower station, water in an upstream reservoir is guided to a water turbine through a water guide pipe to push a water turbine runner to rotate so as to drive a generator to generate electricity. The water after doing work is discharged to the downstream through the tail water pipeline. The higher the water head and the larger the flow, the larger the output power of the water turbine is.

As disclosed in the chinese patent: a novel water turbine, publication number: CN203394674U, the impeller of the utility model generates power from the edge, a large amount of water flows through the impeller, the water power is fully utilized, the conversion efficiency of fluid potential energy to mechanical energy is effectively increased, the rotating speed of the impeller is improved, the service life of the impeller is prolonged, but when the equipment is shut down, the size of the water flow cannot be controlled, and only the water flow can be closed or opened, and the controllability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel water turbine stopping sealing device to solve the problems in the background technology.

The embodiment of the application adopts the following technical scheme:

a novel water turbine stopping sealing device comprises an equipment support, wherein a protective shell is fixedly arranged on the equipment support, and a stopping mechanism for controlling water flow is arranged in the protective shell;

the shutdown mechanism comprises a second water pipe, two symmetrical circular rings are fixedly mounted on the inner side wall of the second water pipe, each circular ring is internally and movably provided with a central rod, a valve body is fixedly mounted outside the central rod, and an edge fillet is formed in the valve body.

Preferably, the support block is fixedly mounted on the equipment support, the first water pipe is movably clamped and mounted on the support block, the first water pipe and the second water pipe are fixedly mounted together, the mounting side plate is fixedly mounted on the side wall of the protective shell, the rotating shaft is movably mounted on the mounting side plate, the rotating wheel is fixedly mounted outside the rotating shaft, the rotating wheel is arranged in a surrounding structure formed by the protective shell and the mounting side plate, the spray head is fixedly mounted at the end part of the second water pipe, and the spray head faces the rotating wheel.

Fixed mounting has the hydro-cylinder on the second water pipe, fixed mounting has first bolt on the hydro-cylinder push rod of hydro-cylinder, the outer movable sleeve of first bolt is equipped with the bull stick, movable mounting has the second bolt on the bull stick, the rectangular channel has been seted up on the lateral wall of valve body, fixed mounting has two splint on the lateral wall of valve body, second bolt fixed mounting is between two splint.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

one of them, this device passes through the removal of bull stick, promotes valve body and central rod and rotates around the toroidal ring, realizes the regulation to valve body turned angle, makes things convenient for the equipment to adjust the play water speed of shower nozzle to the slew velocity of runner in the control equipment improves the controllability of equipment.

And secondly, the first water pipe is supported through the supporting block, the first water pipe cannot be rocked by the impact of water, and the stability of the equipment can be greatly improved when water flows in the equipment.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a schematic structural view of the rotor according to the present invention;

FIG. 3 is a schematic structural view of a showerhead according to the present invention;

FIG. 4 is a schematic structural view of the parking mechanism of the present invention;

fig. 5 is a schematic structural view of the valve body of the present invention.

In the figure: 1. an equipment support; 11. a protective housing; 12. installing a side plate; 13. a rotating shaft; 14. a rotating wheel; 15. a support block; 16. a first water pipe; 17. a second water pipe; 18. a spray head; 21. an oil cylinder; 23. a first latch; 24. a rotating rod; 25. a second bolt; 26. a splint; 27. a rectangular groove; 28. a center pole; 29. a circular ring; 31. a valve body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a novel sealing device for stopping a water turbine includes an equipment support 1, a protective casing 11 is fixedly installed on the equipment support 1, and a stopping mechanism for controlling water flow is arranged in the protective casing 11;

the stop mechanism includes second water pipe 17, and fixed mounting has two annulars 29 of symmetry on the second water pipe 17 inside wall, and equal movable mounting has well core rod 28 in every annulars 29, and well core rod 28 outer fixed mounting has valve body 31, and edge fillet has been seted up to valve body 31.

The upper surface of the equipment support 1 is fixedly provided with a supporting block 15, the supporting block 15 is movably clamped with a first water pipe 16, the first water pipe 16 and a second water pipe 17 are fixedly arranged together, the side wall of the protective shell 11 is fixedly provided with an installation side plate 12, the installation side plate 12 is movably provided with a rotating shaft 13, the rotating shaft 13 is externally and fixedly provided with a rotating wheel 14, the rotating wheel 14 is arranged in an enclosing structure formed by the protective shell 11 and the installation side plate 12, the end part of the second water pipe 17 is fixedly provided with a spray head 18, and the spray head 18 is right opposite to the rotating wheel 14.

An oil cylinder 21 is fixedly mounted on the second water pipe 17, a first bolt 23 is fixedly mounted on an oil cylinder push rod of the oil cylinder 21, a rotating rod 24 is movably sleeved outside the first bolt 23, a second bolt 25 is movably mounted on the rotating rod 24, a rectangular groove 27 is formed in the side wall of the valve body 31, two clamping plates 26 are fixedly mounted on the side wall of the valve body 31, and the second bolt 25 is fixedly mounted between the two clamping plates 26.

When the equipment is used for generating electricity, water flow enters the second water pipe 17 through the first water pipe 16, the water flow is sprayed out through the spray head 18, water sprayed out through the spray head 18 directly contacts with an impeller on the rotating wheel 14, the rotating wheel 14 is pushed to rotate around the rotating shaft 13 through the water flow, the rotating shaft 13 is connected with the generator, the generator generates electricity, the water flow flows out through a groove in the protective shell 11, and the right flow is achieved.

When equipment goes on working, support first water pipe 16 through supporting shoe 15, when having rivers to flow in guaranteeing first water pipe 16, the impact of water can't let first water pipe 16 take place to rock, can improve rivers flow in equipment greatly, the stability of equipment.

When the water outlet speed of the spray head 18 needs to be adjusted, the oil cylinder 21 is started, the oil cylinder push rod of the oil cylinder 21 is pushed to move by the starting of the oil cylinder 21, the movement of the oil cylinder push rod of the oil cylinder 21 pushes the rotating rod 24 to move, the stress is transferred to the second bolt 25 after the rotating rod 24 is stressed, the stress is transferred to the clamping plate 26 after the second bolt 25 is stressed, the clamping plate 26 is stressed, the valve body 31 and the central rod 28 are driven to rotate in the circular ring 29, different included angles are formed between the inner wall of the second water pipe 17 and the valve body 31 through the rotation of the valve body 31, so that the size of a channel of water flow in the second water pipe 17 is changed, the size of the water flow sprayed by the spray head 18 is changed, the rotating rod 24 rotates around the second bolt 25 in the moving process of the rotating rod 24, the synchronous rotating rod 24 also rotates around the first bolt 23, in order to adapt to the rotation of the valve body 31, the rotating rod 24 tends to keep the same horizontal line with the rectangular groove 27, through the existence of rectangular channel 27, leave sufficient space for the removal of bull stick 24, this device passes through the removal of bull stick 24, promotes valve body 31 and central rod 28 and rotates around annular ring 29, realizes the regulation to valve body 31 turned angle, makes things convenient for the water outlet velocity of equipment regulation shower nozzle 18 to runner 14's slew velocity in the control equipment improves the controllability of equipment.

When needs closing device, valve body 31 need rotate to with the horizontal position that the 17 inner walls of second water pipe kept unanimous, guarantee not having rivers to flow in the second water pipe 17, let runner 14 not receiving the striking of rivers to reach the effect that equipment was shut down, this device realizes the effect of shutting down equipment through the rotation of controlling valve body 31, it is effectual to shut down.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (6)

1. The utility model provides a novel hydraulic turbine is shut down sealing device, includes equipment support (1), fixed mounting has protecting casing (11), its characterized in that on equipment support (1): a stopping mechanism for controlling the flow of water flow is arranged in the protective shell (11);

stop gear includes second water pipe (17), fixed mounting has two annulars (29) of symmetry on second water pipe (17) inside wall, every equal movable mounting has well core rod (28) in annulars (29), well core rod (28) outer fixed mounting has valve body (31), the marginal fillet has been seted up in valve body (31).

2. The new sealing device for stopping water turbine according to claim 1, characterized in that: the device support is characterized in that a supporting block (15) is fixedly mounted on the device support (1), a first water pipe (16) is movably clamped on the supporting block (15), and the first water pipe (16) and a second water pipe (17) are fixedly mounted together.

3. The new sealing device for stopping water turbine according to claim 1, characterized in that: fixed mounting has installation curb plate (12) on the lateral wall of protecting casing (11), movable mounting has pivot (13) on installation curb plate (12), pivot (13) outer fixed mounting has runner (14), runner (14) set up in the surrounding structure that protecting casing (11) and installation curb plate (12) formed.

4. A novel sealing device for stopping a water turbine according to claim 3, wherein: and a spray head (18) is fixedly arranged on the end part of the second water pipe (17), and the spray head (18) is right opposite to the rotating wheel (14).

5. The new sealing device for stopping water turbine according to claim 1, characterized in that: fixed mounting has hydro-cylinder (21) on second water pipe (17), fixed mounting has first bolt (23) on the hydro-cylinder push rod of hydro-cylinder (21), the outer movable sleeve of first bolt (23) is equipped with bull stick (24), movable mounting has second bolt (25) on bull stick (24).

6. The new sealing device for stopping water turbine according to claim 5, characterized in that: the improved structure is characterized in that a rectangular groove (27) is formed in the side wall of the valve body (31), two clamping plates (26) are fixedly mounted on the side wall of the valve body (31), and the second bolt (25) is fixedly mounted between the two clamping plates (26).

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