CN215860592U - Hydraulic power plant hydraulic machinery protection device - Google Patents

Abstract

A hydraulic mechanical protection device for a hydraulic power plant comprises a shell, a sliding block and a rotating shaft, wherein a containing cavity is arranged in the shell, a boss is arranged at the top of the containing cavity, a guide groove is formed in the boss, a plurality of through grooves are formed in the front surface and the back surface of the shell, the sliding block is slidably arranged in the guide groove, mounting blocks are symmetrically arranged on two sides of the sliding block, the mounting blocks penetrate through the guide groove into the containing cavity and can slide along the length direction of the guide groove, spoilers are arranged at penetrating ends of the mounting blocks, a first elastic piece is arranged at one end of the sliding block, the rotating shaft is arranged along the length direction of the guide groove, the rotating shaft penetrates through the sliding block and is slidably connected with the sliding block, a thread groove is coaxially arranged on the side surface of the rotating shaft, reset grooves communicated with two ends of the thread groove are further arranged on the side surface of the rotating shaft, a convex block slidably connected with the thread groove is arranged on the inner wall of the sliding block, larger-size sundries can be blocked by the through grooves in the front surface of the shell, and the hydraulic mechanical protection device can be prevented from entering a pipeline to damage the hydraulic machine, the spoiler is enabled to disturb water flow in a reciprocating way by utilizing the sliding connection of the thread groove and the convex block, and impurities attached to the through groove on the back surface of the shell are removed.

Description

Hydraulic power plant hydraulic machinery protection device

Technical Field

The utility model relates to the field of hydraulic machinery, in particular to a hydraulic machinery protection device for a hydraulic power plant.

Background

Hydroelectric power generation has a long history in China, modern hydroelectric power plants generally utilize water level difference to generate power, water flow enters from an inlet of a dam, passes through a pipeline and drives a hydroelectric machine and then flows out from an outlet with lower water level, so that conversion from potential energy to electric energy is completed, however, due to the influence of natural factors, water flow at a water inlet is often mixed with various impurities, and the impurities flow into or block the pipeline, which may cause damage to the hydroelectric machine and influence the normal operation of hydroelectric power generation, so that a hydroelectric power plant hydroelectric machine protection device capable of preventing the impurities from entering the pipeline and simultaneously preventing a water inlet from being blocked is very necessary to be designed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a hydraulic power plant mechanical protection device which can prevent sundries from entering a pipeline and can prevent a water inlet from being blocked.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a hydraulic power plant hydraulic mechanical protection device comprises a shell, a sliding block and a rotating shaft, wherein a containing cavity is arranged in the shell, a boss is arranged at the top of the containing cavity, guide grooves are formed in the boss along the length direction of the boss, a plurality of through grooves for communicating the containing cavity with the outside are formed in the front surface and the back surface of the shell, the size of the through groove in the front surface of the shell is larger than that of the through groove in the back surface of the shell, a sewage discharge port for communicating the containing cavity with the outside is formed in the bottom end of the front surface of the shell, the bottom of the containing cavity is obliquely arranged towards the sewage discharge port, the sliding block is slidably arranged in the guide grooves and can slide along the guide grooves, mounting blocks are symmetrically arranged on two sides of the sliding block, penetrate through the guide grooves into the containing cavity and can slide along the length direction of the guide grooves, spoilers are vertically arranged at penetrating ends of the mounting blocks, a first elastic piece is arranged at one end of the sliding block, two ends of the first elastic piece respectively abut against the sliding block and the guide grooves, the rotating shaft is horizontally and rotatably arranged in the guide groove, the rotating shaft is arranged along the length direction of the guide groove, the rotating shaft penetrates through the sliding block and is in sliding connection with the sliding block, the side surface of the rotating shaft is coaxially provided with a thread groove, the side surface of the rotating shaft is also provided with a reset groove communicated with two ends of the thread groove, and the inner wall of the sliding block is provided with a lug in sliding connection with the thread groove.

Preferably, the spoiler is of a bent design.

Preferably, pivot one end runs through the casing openly to the external world to rotate with the casing and be connected, the pivot runs through the end and radially is equipped with the body of rod along it, the body of rod is equipped with many to along pivot circumference evenly distributed.

Preferably, the rod body is arc-shaped.

Preferably, this hydraulic power plant's hydraulic machinery protection device still includes and shakes the board, it sets up in holding the chamber bottom movably to shake the board, it is connected with the casing rotation to shake the board both sides, it extends to the external world to shake board one end and pass the drain, the body of rod is kept away from the one end of pivot can extend the end butt with shaking the board, hold the chamber bottom and shake and be equipped with the second elastic component between the board, second elastic component both ends respectively with shake the board and hold chamber fixed connection.

Preferably, the first elastic member and the second elastic member are both springs.

Preferably, the hydraulic power plant hydraulic mechanical protection device further comprises a motor, the motor is arranged on the shell, and the output end of the motor is in driving connection with the rotating shaft.

(III) advantageous effects

The utility model has the beneficial effects that: compared with the prior art that a filter screen is simply arranged at a water inlet, the utility model achieves the purpose of separating sundries with different volumes in a layered mode by respectively arranging the through grooves with different sizes on the front side and the back side of the shell, improves the filtering efficiency, prevents the sundries from entering a pipeline to damage a hydraulic machine, simultaneously drives the rotating shaft to rotate by using the motor, so that the thread groove rotates and drives the lug to slide along the thread groove, further drives the sliding block connected with the lug to slide along the guide groove in a reciprocating mode, so that the purpose of disturbing water flow by the spoiler in a reciprocating mode is achieved, impurities attached to the through grooves on the back side of the shell are removed by using the water flow, the through grooves are prevented from being blocked by the impurities, and the normal operation of hydraulic power generation is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 shows an enlarged view at A in FIG. 2;

FIG. 4 is an external view of the slider of the present invention;

FIG. 5 is a first schematic view of the appearance of the rotating shaft according to the present invention;

FIG. 6 is a second schematic view of the appearance of the rotating shaft according to the present invention;

in the figure: the device comprises a shell 1, a containing cavity 11, a guide groove 12, a sewage draining outlet 13, a sliding block 2, a spoiler 21, a first elastic part 22, a convex block 23, a rotating shaft 3, a threaded groove 31, a reset groove 32, a rod body 33, a shaking plate 4, a second elastic part 41 and a motor 5.

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.

Referring to the attached drawings 1-6, a hydraulic power plant hydraulic mechanical protection device comprises a shell 1, a slide block 2 and a rotating shaft 3, wherein a containing cavity 11 is arranged in the shell 1, a boss is arranged at the top of the containing cavity 11, a guide groove 12 is arranged on the boss along the length direction of the boss, a plurality of through grooves communicated with the containing cavity 11 and the outside are arranged on the front surface and the back surface of the shell 1, the size of the through groove on the front surface of the shell 1 is larger than that of the through groove on the back surface of the shell 1, a sewage discharge outlet 13 communicated with the containing cavity 11 and the outside is arranged at the bottom of the front surface of the shell 1, the bottom of the containing cavity 11 is obliquely arranged towards the sewage discharge outlet 13, the slide block 2 is slidably arranged in the guide groove 12 and can slide along the guide groove 12, mounting blocks are symmetrically arranged on two sides of the slide block 2, the mounting blocks penetrate through the guide groove 12 to the containing cavity 11 and can slide along the length direction of the guide groove 12, a spoiler 21 is vertically arranged at the penetrating end of the mounting blocks, a first elastic piece 22 is arranged at one end of the slide block 2, the two ends of the first elastic part 22 are respectively abutted against the sliding block 2 and the guide groove 12, the rotating shaft 3 is horizontally and rotatably arranged in the guide groove 12, the rotating shaft 3 is arranged along the length direction of the guide groove 12, the rotating shaft 3 penetrates through the sliding block 2 and is in sliding connection with the sliding block 2, the side surface of the rotating shaft 3 is coaxially provided with a thread groove 31, the side surface of the rotating shaft 3 is also provided with a reset groove 32 communicated with the two ends of the thread groove 31, and the inner wall of the sliding block 2 is provided with a lug 23 in sliding connection with the thread groove 31.

Specifically, a user can align the back surface of the shell 1 with the pipeline and install the pipeline at the water inlet, and water flows into the accommodating cavity 11 through the through groove in the front surface of the shell 1 and then enters the pipeline through the through groove in the back surface of the shell 1; the bottom of the accommodating cavity 11 is obliquely arranged towards the sewage draining outlet 13, so that impurities accumulated at the bottom of the accommodating cavity 11 can be drained from the sewage draining outlet 13 under the influence of gravity after the pipeline is closed, and excessive impurities accumulated at the bottom of the accommodating cavity 11 are avoided; the rotating shaft 3 can be driven by a motor 5, and the motor 5 can be connected with an external power supply through a wire for use.

To sum up, when in use, a user firstly connects the pipeline and then powers on the power supply, because the high water level has potential energy flowing towards the low water level, water flow can enter the accommodating cavity 11 through the through groove on the front surface of the shell 1, at this time, the through groove on the front surface of the shell 1 can block the impurities with larger volume and prevent the impurities from entering the accommodating cavity 11, when the impurities with smaller particles enter the accommodating cavity 11, some impurities are deposited at the bottom of the accommodating cavity 11, and the rest impurities are attached to the through groove on the back surface of the shell 1 through the water flow, at this time, the motor 5 drives the rotating shaft 3 to rotate, the rotating shaft 3 rotates the thread groove 31, the thread groove 31 rotates to drive the lug 23 to slide along the thread groove 31, and further drives the sliding block 2 to slide, the sliding block 2 slides and presses the first elastic member 22, at this time, the first elastic member 22 deforms and stores energy, and when the lug 23 slides to the tail end of the thread groove 31, the lug 23 is separated from the thread groove 31, at this moment, the first elastic element 22 releases energy to reset, drives the sliding block 2 to reset and slide, the lug 23 slides along the reset groove 32 to reset to the starting end of the thread groove 31, and slides along the thread groove 31 again along with the rotation of the rotating shaft 3, so that the sliding block 2 slides along the guide groove 12 in a reciprocating manner, and then the spoiler 21 on two sides of the sliding block 2 is driven to disturb water flow in a reciprocating manner, and the purpose of removing impurities attached to the through groove at the back of the shell 1 by water flow is achieved, so that the through groove is prevented from being blocked by the accumulated impurities.

Furthermore, the spoiler 21 is designed to be bent, and water flows in a scattered manner towards two sides by the extrusion of the bent part, so that the orientation of the water flow is changed, and the impurity removing effect is improved.

Further, 3 one ends of the rotating shafts run through the casing 1 to the outside in a front mode and are rotatably connected with the casing 1, the rotating shafts 3 run through the ends and are radially provided with the rod bodies 33, the rod bodies 33 are provided with a plurality of rods and are uniformly distributed along the circumferential direction of the rotating shafts 3, the rod bodies 33 are turned over along with the rotation of the rotating shafts 3, so that sundries attached to the through grooves in the front side of the casing 1 are stirred away through the rod bodies 33, and the smoothness of the through grooves is ensured.

Further, the rod body 33 is arc-shaped, and the rod body 33 with the arc-shaped design can effectively reduce the probability that sundries are clamped on the rod body 33, so that the impurity removal efficiency is improved.

Furthermore, in the embodiment of the present invention, the present invention further includes a shaking plate 4, the shaking plate 4 is movably disposed at the bottom of the accommodating cavity 11, two sides of the shaking plate 4 are rotatably connected with the housing 1, one end of the shaking plate 4 passes through the sewage outlet 13 and extends to the outside, one end of the rod 33 away from the rotating shaft 3 can be abutted against the extending end of the shaking plate 4, a second elastic element 41 is disposed between the bottom of the accommodating cavity 11 and the shaking plate 4, and two ends of the second elastic element 41 are respectively fixedly connected with the shaking plate 4 and the accommodating cavity 11.

To sum up, get into under the normality and hold the impurity in the chamber 11 and pile up on shaking board 4, after the user closed the pipeline, only need starter motor 5, pivot 3 drives the upset of the body of rod 33, when the upset of the body of rod 33 was with shaking board 4 butt, shaking board 4 extension end revolutes the upset that the end overturns downwards, the elastic component deformation energy storage this moment, after the body of rod 33 breaks away from shaking board 4, the elastic component energy release resets, and order about shaking board 4 upset and reset, the body of rod 33 promotes shaking board 4 intermittently, so that shaking board 4 extension end frequently revolutes the end swing, reach the effect of shaking off the accumulation in shaking board 4 top impurity, promote the efficiency that impurity discharged from drain 13.

Further, the first elastic member 22 and the second elastic member 41 are both springs, and the springs are elastic and stable, and are durable.

Further, in the embodiment of the present invention, the present invention further includes a motor 5, the motor 5 is disposed on the housing 1, and an output end of the motor 5 is in driving connection with the rotating shaft 3.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

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 (7)

1. A hydraulic power plant hydraulic mechanical protection device is characterized by comprising;

the improved structure comprises a shell (1), wherein a containing cavity (11) is arranged in the shell (1), a boss is arranged at the top of the containing cavity (11), a guide groove (12) is formed in the boss along the length direction of the boss, a plurality of through grooves for communicating the containing cavity (11) with the outside are formed in the front surface and the back surface of the shell (1), the size of each through groove in the front surface of the shell (1) is larger than that of each through groove in the back surface of the shell (1), a sewage draining outlet (13) for communicating the containing cavity (11) with the outside is formed in the bottom end of the front surface of the shell (1), and the bottom of the containing cavity (11) is obliquely arranged towards the sewage draining outlet (13);

the sliding block (2) is slidably arranged in the guide groove (12) and can slide along the guide groove (12), mounting blocks are symmetrically arranged on two sides of the sliding block (2), penetrate through the guide groove (12) to the accommodating cavity (11) and can slide along the length direction of the guide groove (12), spoilers (21) are vertically arranged at penetrating ends of the mounting blocks, a first elastic part (22) is arranged at one end of the sliding block (2), and two ends of the first elastic part (22) are respectively abutted against the sliding block (2) and the guide groove (12);

pivot (3), pivot (3) level rotationally sets up in guide way (12), pivot (3) set up along guide way (12) length direction, pivot (3) run through slider (2) and with slider (2) sliding connection, pivot (3) side is equipped with thread groove (31) coaxially, and pivot (3) side still is equipped with reset groove (32) at switch-on thread groove (31) both ends, slider (2) inner wall is equipped with lug (23) with thread groove (31) sliding connection.

2. A hydraulic power plant hydraulic mechanical protection device according to claim 1, characterized in that the spoiler (21) is of a bent design.

3. The hydraulic power plant hydraulic mechanical protection device as claimed in claim 1, wherein one end of the rotating shaft (3) penetrates through the front surface of the casing (1) to the outside and is rotatably connected with the casing (1), the penetrating end of the rotating shaft (3) is provided with a plurality of rods (33) along the radial direction, and the rods (33) are uniformly distributed along the circumferential direction of the rotating shaft (3).

4. A hydraulic power plant hydraulic mechanical protection device according to claim 3, characterized in that the rod body (33) is arc-shaped.

5. The hydraulic power plant hydraulic mechanical protection device of claim 3, further comprising a shaking plate (4), wherein the shaking plate (4) is movably disposed at the bottom of the accommodating cavity (11), two sides of the shaking plate (4) are rotatably connected with the shell (1), one end of the shaking plate (4) penetrates through the sewage outlet (13) and extends to the outside, one end of the rod body (33) far away from the rotating shaft (3) can be abutted against the extending end of the shaking plate (4), a second elastic member (41) is disposed between the bottom of the accommodating cavity (11) and the shaking plate (4), and two ends of the second elastic member (41) are respectively fixedly connected with the shaking plate (4) and the accommodating cavity (11).

6. A hydraulic power plant hydraulic mechanical protection device according to claim 5, characterized in that the first elastic member (22) and the second elastic member (41) are both springs.

7. A hydraulic power plant hydraulic mechanical protection device according to claim 1, characterized by further comprising an electric motor (5), wherein the electric motor (5) is arranged on the housing (1), and an output end of the electric motor (5) is in driving connection with the rotating shaft (3).

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