CN215408962U

CN215408962U - Impact prevention device for nozzle of impulse turbine

Info

Publication number: CN215408962U
Application number: CN202121104485.0U
Authority: CN
Inventors: 高玉国; 秦永全; 王金映; 浦恩良; 赵志彪; 郑建兵; 孔维宽; 冯光忠; 吴剑萍
Original assignee: Yunnan Yuxi Hydroelectric Power Equipment Co ltd
Current assignee: Yunnan Yuxi Hydroelectric Power Equipment Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-01-04
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a nozzle anti-impact device of an impulse turbine, which comprises a drain pipe, a threaded pipe, a limiting ring, a nozzle body and an impeller, wherein the drain pipe is arranged on the upper part of the nozzle body; the threaded pipe is positioned in the drain pipe and is in threaded connection with the inner wall of the drain pipe, and the right side of the threaded pipe extends to the outside of the drain pipe and is communicated with the left side of the nozzle body; the limiting ring is positioned in the drain pipe and fixedly connected with the inner wall of the drain pipe, and the right side of the limiting ring is movably connected with the left side of the threaded pipe; the impeller is positioned in the nozzle body and is fixedly connected with the inner wall of the nozzle body. The utility model is convenient for the connection of the spray nozzle body and the drain pipe by arranging the threaded pipe, guides the water flow to rotate by using the impeller, ensures that the rotation direction of the water flow is consistent with the screwing direction of the threaded pipe, disperses the impact force brought by the water flow by using the rotation, ensures that the impact brought by the water flow is kept uniform, and prevents the spray nozzle body from falling off from the drain pipe.

Description

Impact prevention device for nozzle of impulse turbine

Technical Field

The utility model relates to the technical field of impulse turbines, in particular to a nozzle anti-impact device of an impulse turbine.

Background

The impulse turbine is one kind hydroelectric power generation, and the impulse turbine generally leads rivers through pipeline and nozzle, makes rivers bump the runner and generate electricity, because the nozzle outlet is less, rivers when following the nozzle blowout, produced impact's great, and the nozzle bears the impact back for a long time, drops from the drain pipe easily, and the clamp is used commonly to the nozzle is connected with the drain pipe, can't protect the nozzle muscle.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model aims to provide a nozzle impact prevention device for an impulse turbine, which has the advantage of preventing a nozzle from falling off a drain pipe and solves the problem that the nozzle is easy to fall off the drain pipe.

In order to achieve the purpose, the utility model provides the following technical scheme: an impulse turbine nozzle anti-impact device comprises a drain pipe, a threaded pipe, a limiting ring, a nozzle body and an impeller;

the threaded pipe is positioned in the drain pipe and is in threaded connection with the inner wall of the drain pipe, and the right side of the threaded pipe extends to the outside of the drain pipe and is communicated with the left side of the nozzle body;

the limiting ring is positioned in the drain pipe and fixedly connected with the inner wall of the drain pipe, and the right side of the limiting ring is movably connected with the left side of the threaded pipe;

the impeller is positioned in the nozzle body and is fixedly connected with the inner wall of the nozzle body.

Preferably, the inside of the drain pipe is fixedly connected with a filter plate, the filter plate is positioned on the left side of the limiting ring, and an included angle of thirty degrees is formed between the filter plate and the ground.

Preferably, the bottom of the drain pipe is fixedly connected with a storage box, the top of the storage box is communicated with the bottom of the drain pipe through a feed pipe, a cover plate is hinged inside the storage box, and the cover plate is fixedly installed with the storage box through a cabinet lock.

Preferably, a buzzer is fixedly connected to the left side of the storage box, a proximity switch is fixedly connected to the top of the interior of the storage box, and the proximity switch is electrically connected with the buzzer.

Preferably, an auxiliary ring is fixedly connected to the surface of the nozzle body, a buffer rubber is fixedly connected to the left side of the auxiliary ring, and the left side of the buffer rubber is movably connected to the right side of the drain pipe.

Preferably, the surface of the nozzle body is fixedly connected with an anti-slip sleeve, and the surface of the drain pipe is provided with an anti-slip groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model is convenient for the connection of the spray nozzle body and the drain pipe by arranging the threaded pipe, guides the water flow to rotate by using the impeller, ensures that the rotation direction of the water flow is consistent with the screwing direction of the threaded pipe, disperses the impact force brought by the water flow by using the rotation, ensures that the impact brought by the water flow is kept uniform, and prevents the spray nozzle body from falling off from the drain pipe.

2. According to the utility model, the filter plate is arranged to filter the water flow in the drain pipe, so that the nozzle is prevented from being blocked by impurities in the water flow, and the stability of the nozzle body is ensured.

3. According to the utility model, the storage box is arranged to store the sundries filtered by the filter plate, so that the drain pipe is prevented from being blocked by the sundries, and the normal operation of the impulse turbine is ensured.

4. The utility model detects whether the space in the storage box is sufficient or not by arranging the proximity switch, and when the space in the storage box is insufficient, the buzzer is started to remind a user, so that the condition that the normal operation of the impulse turbine is influenced because the user does not timely treat the storage box is avoided.

5. The utility model absorbs the vibration generated when water flow impacts the nozzle body by arranging the buffer rubber, and avoids the nozzle body from falling off from the drain pipe due to the vibration.

6. According to the utility model, the friction force between the palm and the drain pipe and the nozzle body is increased by arranging the anti-skidding sleeve and the anti-skidding groove, so that the nozzle body is prevented from skidding during mounting or dismounting, and the convenience in mounting the nozzle body is improved.

Drawings

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

FIG. 2 is a schematic sectional elevation view of a structural drain pipe of the present invention;

FIG. 3 is a schematic sectional front view of a nozzle body according to the present invention.

In the figure: 1. a drain pipe; 2. a threaded pipe; 3. a limiting ring; 4. a nozzle body; 5. an impeller; 6. a filter plate; 7. a storage tank; 8. a cover plate; 9. a buzzer; 10. a proximity switch; 11. an auxiliary ring; 12. a cushion rubber; 13. an anti-slip sleeve; 14. and (4) an anti-slip groove.

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.

As shown in fig. 1 to 3, the impulse turbine nozzle anti-impact device provided by the utility model comprises a drain pipe 1, a threaded pipe 2, a limiting ring 3, a nozzle body 4 and an impeller 5;

the threaded pipe 2 is positioned inside the drain pipe 1 and is in threaded connection with the inner wall of the drain pipe 1, and the right side of the threaded pipe 2 extends to the outside of the drain pipe 1 and is communicated with the left side of the nozzle body 4;

the limiting ring 3 is positioned in the drain pipe 1 and is fixedly connected with the inner wall of the drain pipe 1, and the right side of the limiting ring 3 is movably connected with the left side of the screwed pipe 2;

the impeller 5 is positioned inside the nozzle body 4 and is fixedly connected with the inner wall of the nozzle body 4.

Referring to fig. 2, the inside fixedly connected with filter 6 of drain pipe 1, filter 6 are located the left side of spacing ring 3, and filter 6 is thirty degrees contained angles with ground.

As a technical optimization scheme of the utility model, the filter plate 6 is arranged to filter the water flow in the water discharge pipe 1, so that the nozzle is prevented from being blocked by impurities in the water flow, and the stability of the nozzle body 4 is ensured.

Referring to fig. 2, drain pipe 1's bottom fixedly connected with bin 7, the bottom intercommunication of inlet pipe and drain pipe 1 is passed through at the top of bin 7, and the inside of bin 7 articulates there is apron 8, and apron 8 is through cabinet lock and bin 7 fixed mounting.

As a technical optimization scheme of the utility model, the storage tank 7 is arranged to store the sundries filtered by the filter plate 6, so that the drain pipe 1 is prevented from being blocked by the sundries, and the normal operation of the impulse turbine is ensured.

Referring to fig. 2, a buzzer 9 is fixedly connected to the left side of the storage box 7, a proximity switch 10 is fixedly connected to the top of the interior of the storage box 7, and the proximity switch 10 is electrically connected to the buzzer 9.

As a technical optimization scheme of the utility model, whether the space in the storage tank 7 is sufficient is detected by arranging the proximity switch 10, and when the space in the storage tank 7 is insufficient, the buzzer 9 is started to remind a user, so that the influence on the normal operation of the impulse turbine caused by the fact that the user does not timely treat the storage tank 7 is avoided.

Referring to fig. 3, an auxiliary ring 11 is fixedly connected to the surface of the nozzle body 4, a cushion rubber 12 is fixedly connected to the left side of the auxiliary ring 11, and the left side of the cushion rubber 12 is movably connected to the right side of the drain pipe 1.

As a technical optimization scheme of the present invention, the cushion rubber 12 is provided to absorb the vibration generated when the water flow impacts the nozzle body 4, and to prevent the nozzle body 4 from falling off the drain pipe 1 due to the vibration.

Referring to fig. 3, an anti-slip sleeve 13 is fixedly connected to the surface of the nozzle body 4, and an anti-slip groove 14 is formed on the surface of the drain pipe 1.

As a technical optimization scheme of the utility model, the friction force between the palm and the drain pipe 1 and the nozzle body 4 is increased by arranging the anti-skidding sleeve 13 and the anti-skidding groove 14, so that the phenomenon of skidding when the nozzle body 4 is installed or disassembled is avoided, and the convenience in installing the nozzle body 4 is improved.

The working principle and the using process of the utility model are as follows: during the use, rivers flow to the right in drain pipe 1, enter into nozzle body 4 behind screwed pipe 2 in, and spout from nozzle body 4's drain outlet department, when rivers pass through impeller 5, impeller 5 can rotate after receiving the impact of rivers, and drive rivers and rotate, because the rotatory direction of rivers is unanimous with screwed pipe 2 and the direction of screwing up of drain pipe 1, utilize spacing ring 3 to prevent that screwed pipe 2 from continuing the rotation after screwing up drain pipe 1 simultaneously, finally avoid the nozzle because of the impact that receives rivers, drop from drain pipe 1.

In summary, the following steps: this impulse turbine nozzle anti-shock mounting through setting up screwed pipe 2, conveniently spouts and moves back the body and be connected with drain pipe 1 to utilize impeller 5 to guide rivers rotatory, make the rotatory direction of rivers unanimous with the direction that screwed up of screwed pipe 2, and utilize the rotatory impact force that comes the dispersion flowing water to bring, the impact that makes rivers bring keeps even, prevents that nozzle body 4 from droing from drain pipe 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A nozzle anti-impact device of an impulse turbine is characterized by comprising a drain pipe (1), a threaded pipe (2), a limiting ring (3), a nozzle body (4) and an impeller (5);

the threaded pipe (2) is positioned inside the drain pipe (1) and is in threaded connection with the inner wall of the drain pipe (1), and the right side of the threaded pipe (2) extends to the outside of the drain pipe (1) and is communicated with the left side of the nozzle body (4);

the limiting ring (3) is positioned in the drain pipe (1) and is fixedly connected with the inner wall of the drain pipe (1), and the right side of the limiting ring (3) is movably connected with the left side of the threaded pipe (2);

the impeller (5) is positioned in the nozzle body (4) and is fixedly connected with the inner wall of the nozzle body (4).

2. An impulse turbine nozzle impingement device as claimed in claim 1, wherein: the inside fixedly connected with filter (6) of drain pipe (1), filter (6) are located the left side of spacing ring (3), filter (6) are thirty degrees contained angles with ground.

3. An impulse turbine nozzle impingement device as claimed in claim 1, wherein: the bottom fixedly connected with bin (7) of drain pipe (1), the bottom intercommunication of inlet pipe and drain pipe (1) is passed through at the top of bin (7), the inside of bin (7) articulates there is apron (8), apron (8) are through cabinet lock and bin (7) fixed mounting.

4. A impulse turbine nozzle impingement device as claimed in claim 3, wherein: the utility model discloses a bin, including bin (7), top fixedly connected with proximity switch (10) inside bin (7), left side fixedly connected with buzzer (9) of bin (7), proximity switch (10) and buzzer (9) electric connection.

5. An impulse turbine nozzle impingement device as claimed in claim 1, wherein: the surface fixed connection of nozzle body (4) has auxiliary ring (11), the left side fixedly connected with cushion rubber (12) of auxiliary ring (11), the left side of cushion rubber (12) and the right side swing joint of drain pipe (1).

6. An impulse turbine nozzle impingement device as claimed in claim 1, wherein: the surface of the nozzle body (4) is fixedly connected with an anti-slip sleeve (13), and the surface of the drain pipe (1) is provided with an anti-slip groove (14).