Water turbine blade cleaning device for water conservancy and hydropower engineering

Abstract

The utility model discloses a water turbine blade cleaning device for water conservancy and hydropower engineering, and belongs to the related technical field of water turbine blade cleaning. The water turbine blade cleaning device for the water conservancy and hydropower engineering comprises a cleaning box with the top open, inverted-L-shaped rods are fixedly connected to the inner walls of the two sides of the cleaning box, and electric telescopic rods are fixedly connected to the inner top walls of the two inverted-L-shaped rods. When the water turbine blade cleaning device for water conservancy and hydropower engineering is used and the water turbine blade needs to be cleaned, the middle of the water turbine blade can be arranged on the periphery of the top of the spline sleeve in a sleeved mode, the bottom of the water turbine blade is supported by the limiting plate, and then the lifting plate is pushed to move downwards by starting the two electric telescopic rods. The lifting plate drives the spline sleeve to move downwards on the outer side of the spline shaft at the same time, and when the first inclined face at the top end of the spline shaft extrudes the two second inclined faces, the ends, deviating from each other, of the two inverted-L-shaped abutting blocks move deviating from each other and abut against the inner wall of the middle of the water turbine blade.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the water turbine blade cleaning related technical field of water conservancy and hydropower engineering, and specifically relates to water turbine blade cleaning device for water conservancy and hydropower engineering. BACKGROUND

[0002] The water turbine runner blade is the core component of the water turbine, is mainly used for converting water energy into mechanical energy, and drives the generator or other mechanical equipment to run, and the design and manufacturing quality of the runner blade directly affect the rotation speed, efficiency and power generation capacity of the water turbine, therefore, the quality and performance of the water turbine runner blade are very important.

[0003] In the normal operation of the water turbine, if the runner blade is damaged or the like, the stability and power generation efficiency of the water turbine will be directly affected, and timely repair or replacement is required, when the runner blade is repaired, the runner needs to be cleaned, and the traditional cleaning method is to manually hold a high-pressure water gun to flush the disassembled runner blade, but such flushing results in water resource loss and cannot filter and reuse the water source, therefore, the water turbine blade cleaning device for water conservancy and hydropower engineering is required. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing water turbine blade cleaning device for water conservancy and hydropower engineering to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The water turbine blade cleaning device for water conservancy and hydropower engineering includes a top open cleaning box, the two side inner walls of the cleaning box are fixedly connected with inverted L-shaped rods, the inner top walls of the two inverted L-shaped rods are fixedly connected with electric telescopic rods, the telescopic ends of the two electric telescopic rods are fixedly connected with the same lifting plate, the lifting plate is slidingly sleeved on the outer sides of the two inverted L-shaped rods, and the lifting plate slides on the inner side of the cleaning box, a water outlet pipe with a manual valve is fixedly connected to the water outlet of the right side wall of the cleaning box, a filter plate is fixedly connected to the middle part of the through hole of the lifting plate, a plurality of fan-shaped filter screens arranged in a ring array are arranged on the filter plate, and a downward fixed rotating mechanism is connected between the middle part of the filter plate and the inner bottom wall of the cleaning box.

[0007] As a preferred, the downward fixed rotating mechanism includes a spline sleeve rotatably connected to the middle part of the filter plate, the spline sleeve is slidingly sleeved on the outer side of a spline shaft, the bottom end of the spline shaft is rotatably connected to the middle part of the inner bottom wall of the cleaning box, a limiting plate fixedly connected to the outer side of the spline sleeve is arranged above the filter plate, and the limiting plate is used for supporting the bottom of the water turbine blade.

[0008] As preferred, the lower portion of the limiting plate is further provided with a scraper fixed to the outer side of the spline sleeve, and the bottom end of the scraper is attached to the top of the fan-shaped filter screen.

[0009] As preferred, two symmetrical inverted L-shaped cavities are formed in the inner top wall of the spline sleeve, and two inverted L-shaped abutting blocks are slidably arranged in the two inverted L-shaped cavities, and the side walls of the two inverted L-shaped abutting blocks, which are away from each other, are fixed to the inner walls of the two inverted L-shaped cavities by elastic sheets.

[0010] As preferred, the vertical section of the elastic sheet is in S-shaped structure.

[0011] As preferred, the bottom ends of the two inverted L-shaped abutting blocks are provided with second inclined surfaces, and the two second inclined surfaces are symmetrically arranged, and the top ends of the spline shafts are provided with first inclined surfaces matched with the second inclined surfaces, and the first inclined surfaces are annularly arranged on the top ends of the spline shafts.

[0012] Compared with the prior art, the water turbine blade cleaning device for water conservancy and hydropower projects has at least the following beneficial effects:

[0013] In the water turbine blade cleaning device for water conservancy and hydropower projects, when the water turbine blade needs to be cleaned, the middle portion of the water turbine blade is sleeved on the top periphery of the spline sleeve, and the bottom portion of the water turbine blade is held by the limiting plate, then the two electric telescopic rods are started to push the lifting plate to move downward, and the lifting plate drives the spline sleeve to move downward outside the spline shaft, when the top first inclined surfaces of the spline shafts press the two second inclined surfaces, the two ends of the two inverted L-shaped abutting blocks, which are away from each other, move away from each other and abut against the inner wall of the middle portion of the water turbine blade, then the water turbine blade fixed on the top of the spline sleeve can be cleaned by the high-pressure water gun, and the spline sleeve rotates and drives the scraper to clean the dirt intercepted on the top of the fan-shaped filter screen due to the impact of the high-pressure cleaning, so that the permeability of the filter is not affected, and the filtered water source can be repeatedly used, thereby avoiding waste caused by water resource loss. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a whole three-dimensional first perspective structure schematic view of the utility model;

[0015] Fig. 2 It is a three-dimensional structure schematic view of the inside of the cleaning box after being cut open;

[0016] Fig. 3 It is an enlarged structure schematic view of A.

[0017] In the drawings:

[0018] 1, cleaning tank; 11, inverted L-shaped rod; 12, electric telescopic rod; 13, lifting plate; 14, filter plate; 15, fan-shaped filter screen; 16, water outlet pipe; 2, downward fixed rotating mechanism; 21, spline shaft; 211, first inclined surface; 22, spline sleeve; 23, scraper; 24, limiting plate; 25, inverted L-shaped abutting block; 26, elastic sheet; 27, second inclined surface; 3, water turbine blade. DETAILED DESCRIPTION

[0019] The utility model will be further described below in combination with examples.

[0020] In order to make the utility model embodiment purposes, technical scheme and advantages more clearly, the following will be combined with the utility model embodiment's drawings, the technical scheme of the utility model embodiment is clearly and completely described, obviously, the described embodiment is a part of the utility model, rather than all the embodiments, on the basis of the described utility model embodiment, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of the utility model protection.

[0021] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and the simple improvement of the method of the utility model under the concept of the utility model belongs to the scope of the utility model.

[0022] Embodiment

[0023] In the normal operation of the water turbine, if the runner blade is damaged, etc., it will directly affect the stability of the water turbine and the power generation efficiency, and needs to be repaired or replaced in time, when repairing the runner blade, the runner needs to be cleaned, the traditional cleaning method is to manually hold a high-pressure water gun to flush the disassembled runner blade, but such flushing leads to water resource loss, and the water source cannot be filtered and reused;

[0024] Therefore, please refer to Figs. 1-3The utility model provides water turbine blade cleaning device for water conservancy and hydropower engineering, include: the open washing box 1 of top, the both sides inner wall of washing box 1 all are fixed with inverted L type rod 11, the inner top wall of two inverted L type rod 11 all are fixed with electric telescopic rod 12, and the telescopic end of two electric telescopic rod 12 all are fixed with same lifting plate 13, and lifting plate 13 slidingly sets up in the outside of two inverted L type rod 11, and lifting plate 13 slides in the inside of washing box 1, and the water outlet of the right side wall of washing box 1 is fixed with the water outlet pipe 16 of manual valve, and the middle part of lifting plate 13 is fixed with filter plate 14 in the circular mouth, and a plurality of fan-shaped filter screen 15 of annular array arrangement are provided on filter plate 14, and the middle part of filter plate 14 is connected with the inner bottom wall of washing box 1 and is connected with the lower fixed type rotating mechanism 2, and the lower fixed type rotating mechanism 2 is used for fixing water turbine blade 3.

[0025] Wherein, the lifting of lifting plate 13 is realized through two electric telescopic rods 12, on the one hand, when water turbine blade 3 is installed for the first time, it is not necessary to bend manually into washing box 1, and after water turbine blade 3 is placed, it is pushed to move down to washing box 1, and the fixing of water turbine blade 3 is realized actively, it is not necessary to fix artificially in advance, the fixing efficiency of water turbine blade 3 is improved greatly, and it can also avoid splashing when flushing, which causes everywhere to be splashed wet, in addition, the force of high-pressure water gun is used to promote spline sleeve 22 to drive fixed water turbine blade 3 to rotate, and drive scraper 23 to rotate, realize the cleaning of the surface of fan-shaped filter screen 15, and the connecting port of water outlet pipe 16 is provided with screw threads, which can be conveniently screwed with the screw joint of the water pipe of high-pressure water gun equipment.

[0026] Further as Figs. 1-3As shown, it is worth noting that in order to enable the lower plate 13 to move down, the water turbine blade 3 can be fixed outside the spline sleeve 22, so the lower fixed rotating mechanism 2 is provided, the spline sleeve 22 is rotatably connected in the middle of the filter plate 14, the spline sleeve 22 is slidably arranged outside the spline shaft 21, the bottom end of the spline shaft 21 is rotatably connected to the middle of the inner bottom wall of the cleaning tank 1, the upper side of the filter plate 14 is provided with a limiting plate 24 fixed to the outer side of the spline sleeve 22, the limiting plate 24 is used to hold the bottom of the water turbine blade 3, the lower side of the limiting plate 24 is also provided with a scraper 23 fixed to the outer side of the spline sleeve 22, the bottom end of the scraper 23 is in contact with the top of the fan-shaped filter screen 15, two symmetrical inverted L-shaped cavities are formed in the inner top wall of the spline sleeve 22, two inverted L-shaped abutting blocks 25 are slidably arranged in the two inverted L-shaped cavities, the side walls of the two inverted L-shaped abutting blocks 25 away from each other are fixed to the inner walls of the inverted L-shaped cavities through elastic sheets 26, the vertical section of the elastic sheet 26 is S-shaped, the bottom end of each of the two inverted L-shaped abutting blocks 25 is provided with a second inclined surface 27, the two second inclined surfaces 27 are symmetrically arranged, and the top end of the spline shaft 21 is provided with a first inclined surface 211 matched with the second inclined surface 27, and the first inclined surface 211 is annularly arranged at the top end of the spline shaft 21.

[0027] Wherein, the rotation of the spline shaft 21 can drive the spline sleeve 22 to rotate, which is a prior art and will not be described in detail.

[0028] In summary, when the water turbine blade cleaning device for water conservancy and hydropower engineering is used, when the water turbine blade 3 needs to be cleaned, the middle part of the water turbine blade 3 is sleeved on the top of the spline sleeve 22, and the bottom of the water turbine blade 3 is held by the limiting plate 24, then the two electric telescopic rods 12 are started to push the lifting plate 13 to move down, and the lifting plate 13 drives the spline sleeve 22 to move down outside the spline shaft 21, when the top first inclined surface 211 of the spline shaft 21 presses the two second inclined surfaces 27, the ends of the two inverted L-shaped abutting blocks 25 away from each other move away from each other and abut against the inner wall of the middle part of the water turbine blade 3, then the water turbine blade 3 fixed on the top of the spline sleeve 22 can be cleaned by artificial high-pressure water gun, at the same time, the spline sleeve 22 rotates under the high-pressure washing force, and the scraper 23 drives the dirt intercepted on the top of the fan-shaped filter screen 15 to be cleaned, so as to avoid the fan-shaped filter screen 15 being blocked and affecting the permeability of the filter, so that the filtered water source can be repeatedly used, and the waste caused by water resource loss is avoided.

[0029] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the ordinary meaning of the terms to a person skilled in the art. The terms "comprising" or "including" or similar words used in the present application mean that the elements or objects listed after the word encompass the elements or objects listed in the word and their equivalents, and do not exclude other elements or objects. The terms "connected" or "linked" or similar words are not limited to physical or mechanical connection, and can also include electrical connection, whether direct or indirect. The terms "upper", "lower", "left", "right" and the like are only used to represent relative positional relationships, and when the absolute positions of the described objects are changed, the relative positional relationships can also be changed accordingly.

[0030] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A water turbine blade cleaning device for water conservancy and hydropower engineering, comprising an open-top cleaning box (1), two inverted L-shaped rods (11) are fixedly connected to the inner walls of the two sides of the cleaning box (1), an electric telescopic rod (12) is fixedly connected to the inner top wall of each of the two inverted L-shaped rods (11), the telescopic ends of the two electric telescopic rods (12) are fixedly connected with the same lifting plate (13), the lifting plate (13) is slidably sleeved on the outer sides of the two inverted L-shaped rods (11), and the lifting plate (13) slides on the inner side of the cleaning box (1), a water outlet pipe (16) with a manual valve is fixedly connected to the water outlet of the right side wall of the cleaning box (1), characterized in that, The middle part of the lifting plate (13) is fixed with a filter plate (14) through a circular hole, a plurality of fan-shaped filter screens (15) are arranged on the filter plate (14) in an annular array, and a downward fixed rotating mechanism (2) is connected between the middle part of the filter plate (14) and the inner bottom wall of the cleaning box (1). The downward fixed rotating mechanism (2) is used for fixing the water turbine blade (3).

2. The water turbine blade cleaning device for water conservancy and hydropower engineering according to claim 1, characterized in that: The downward fixed rotating mechanism (2) comprises a spline sleeve (22) rotatably connected to the middle part of the filter plate (14), the spline sleeve (22) is slidably sleeved on the outer side of a spline shaft (21), the bottom end of the spline shaft (21) is rotatably connected to the middle part of the inner bottom wall of the cleaning box (1), a limiting plate (24) is arranged above the filter plate (14) and fixed to the outer side of the spline sleeve (22), and the limiting plate (24) is used for supporting the bottom of the water turbine blade (3).

3. The water turbine blade cleaning device for water conservancy and hydropower engineering according to claim 2, characterized in that: A scraper (23) is further arranged below the limiting plate (24) and fixed to the outer side of the spline sleeve (22), and the bottom end of the scraper (23) is in contact with the top of the fan-shaped filter screen (15).

4. The water turbine blade cleaning device for water conservancy and hydropower engineering according to claim 2, characterized in that: Two symmetrical inverted L-shaped cavities are formed in the inner top wall of the spline sleeve (22), two inverted L-shaped abutting blocks (25) are slidably arranged in the two inverted L-shaped cavities, and the side walls of the two inverted L-shaped abutting blocks (25) away from each other are fixed to the inner walls of the inverted L-shaped cavities through elastic sheets (26).

5. The water turbine blade cleaning device for water conservancy and hydropower engineering according to claim 4, characterized in that: The vertical section of the elastic sheet (26) is in S-shaped structure.

6. The water turbine blade cleaning device for water conservancy and hydropower engineering according to claim 4, characterized in that: Second inclined surfaces (27) are formed in the bottom ends of the two inverted L-shaped abutting blocks (25), the two second inclined surfaces (27) are symmetrically arranged, first inclined surfaces (211) are formed in the top ends of the spline shaft (21) and matched with the second inclined surfaces (27), and the first inclined surfaces (211) are annularly arranged on the top ends of the spline shaft (21).

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