CN217898257U

CN217898257U - Axial-flow pump blade angle adjusting device

Info

Publication number: CN217898257U
Application number: CN202222352891.XU
Authority: CN
Inventors: 吴雨哲
Original assignee: Anhui Kaibeisi Engineering Management Co ltd
Current assignee: Anhui Kaibeisi Engineering Management Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-11-25
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses an axial-flow pump blade angle adjusting device belongs to axial-flow pump technical field, including the axle sleeve, axle sleeve inside has seted up the installation storehouse, and the inside in installation storehouse is equipped with the pivot, and the lower extreme of pivot is connected with through the inner wall rotation of carousel with the installation storehouse, and the outside fixed surface of pivot is connected with worm wheel and gear, and the gear is located the below of worm wheel, and actuating mechanism is established in the outside of worm wheel, and the outside of gear is equipped with stop gear, and axle sleeve fixedly connected with blade is passed to the upper end of pivot. The axial flow pump blade has the advantages that the impact resistance of the axial flow pump blade can be improved, so that the stability of the blade in rotation is enhanced, the blade is prevented from rotating in the rotation, the damage to the blade is avoided, and the service life of the blade is prolonged.

Description

Axial-flow pump blade angle adjusting device

Technical Field

The utility model relates to an axial-flow pump blade angle adjusting device belongs to axial-flow pump technical field.

Background

The axial flow pump is a pump which transfers liquid along the axial direction by the action force of the blade of the rotary impeller on the liquid, and is of a vertical type, a horizontal type, an inclined type, a clamping plate type and a through-flow type, and the axial flow pump is mainly suitable for low-lift and large-flow occasions, such as irrigation, waterlogging drainage, dock drainage and water level regulation of a canal lock, or is used as a large-scale circulating water pump of a power plant.

According to the utility model discloses an axial-flow pump blade angle adjusting device that utility model discloses that the bulletin number is CN 212508962U, though can solve the problem that the blade of axial-flow pump can be adjusted, its adjustment mechanism is fairly simple, and when the blade received the impact of rivers in the in-process of using, the blade can take place to rotate, can cause the damage to the blade under the high-speed rotation, consequently shortens the life of axial-flow pump blade.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an axial-flow pump blade angle adjusting device just in order to solve above-mentioned problem, can improve the shock resistance of axial-flow pump blade to strengthen the stability of blade when rotatory, avoided the blade to take place the rotation of self in the rotation, and avoided the damage of blade, consequently prolonged the life of blade.

The utility model discloses a following technical scheme realizes above-mentioned purpose, an axial-flow pump blade angle adjusting device, including the axle sleeve, axle sleeve inside has seted up the installation storehouse, and the inside in installation storehouse is equipped with the pivot, the lower extreme of pivot is connected with through the inner wall rotation of carousel with the installation storehouse, and the outside fixed surface of pivot is connected with worm wheel and gear, and the gear is located the below of worm wheel, actuating mechanism is established in the outside of worm wheel, and the outside of gear is equipped with stop gear, axle sleeve fixedly connected with blade is passed to the upper end of pivot.

Preferably, a sealing ring is arranged above the mounting bin and fixedly connected with the rotating shaft.

Preferably, actuating mechanism wraps micro motor, and micro motor and the inside wall fixed connection in installation storehouse, micro motor's one end fixedly connected with worm, and the side surface and the worm wheel meshing of worm are connected.

Preferably, the limiting mechanism comprises a limiting box, the lower end of the limiting box is fixedly connected with the inner wall of the installation bin, a sliding rod is slidably connected inside the limiting box, and a clamping block is fixedly connected to the upper end of the sliding rod.

Preferably, the lower extreme fixedly connected with disc of slide bar, and the lower fixed surface of disc is connected with spring and iron plate, and the iron plate is located the inboard of spring, the lower extreme of spring and the inner wall fixed connection of spacing box, and the inner wall fixedly connected with electro-magnet of spacing box, the electro-magnet aligns with the iron plate.

The utility model has the advantages that: the utility model discloses a fixture block that sets up in the worm wheel of the inside pivot side surface in installation storehouse and worm and gear stop gear mutually supports to can carry out dual spacing fixed to the countershaft, improved the shock resistance of axial-flow pump blade, thereby strengthened the stability of blade when rotatory, avoided the blade to take place the rotation of self in the rotation, and avoided the damage of blade, consequently prolonged the life of blade.

Drawings

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

fig. 2 is a schematic view of the internal structure of the middle shaft sleeve of the present invention;

fig. 3 is the internal structure diagram of the middle limit box of the present invention.

In the figure: 1 shaft sleeve, 2 blades, 3 rotating shafts, 4 worm gears, 5 micro motors, 6 mounting bins, 7 rotating discs, 8 limiting boxes, 9 clamping blocks, 10 gears, 11 worms, 12 sealing rings, 13 discs, 14 sliding rods, 15 iron blocks, 16 electromagnets and 17 springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1-3, an axial-flow pump blade angle adjusting device, includes a shaft sleeve 1, an installation bin 6 is provided inside the shaft sleeve 1, and a rotating shaft 3 is provided inside the installation bin 6, a lower end of the rotating shaft 3 is rotatably connected with an inner wall of the installation bin 6 through a turntable 7, and a worm wheel 4 and a gear 10 are fixedly connected with an outer surface of the rotating shaft 3, and the gear 10 is located below the worm wheel 4, a driving mechanism is provided outside the worm wheel 4, and a limiting mechanism is provided outside the gear 10, and the upper end of the rotating shaft 3 passes through the shaft sleeve 1 and is fixedly connected with a blade 2.

As the utility model discloses a technical optimization scheme, the top of installation storehouse 6 is equipped with sealing washer 12, and sealing

washer

12 and 3 fixed connection of pivot, can carry out the shutoff to the joint line of pivot 3 and axle sleeve 1, has avoided water to enter into the normal operation of 6 inside influence micro motor 5 in installation storehouse.

As a technical optimization scheme of the utility model, actuating mechanism wraps micro motor 5, and the inside wall fixed connection of micro motor 5 and installation storehouse 6, micro motor 5's one end fixedly connected with worm 11, and the side surface of worm 11 is connected with worm wheel 4 meshing, drives the rotation of worm 11 through micro motor 5 to worm wheel 4 and pivot 3 that can be rotate, consequently can adjust the angle of pivot 3, worm wheel 4 and worm 11 are from taking limit function simultaneously, and can carry out spacing reinforcing blade 2's stability to blade 2 when not adjusting.

As the utility model discloses a technical optimization scheme, stop gear includes spacing box 8, and the lower extreme of spacing box 8 and the inner wall fixed connection of installation storehouse 6, the inside sliding connection of spacing box 8 has slide bar 14, and the upper end fixedly connected with fixture block 9 of slide bar 14, can carry on spacingly to countershaft 3 to avoid blade 2 to receive the impact of rivers to take place to rotate when the angle of not adjusting blade 2, consequently improved blade 2's stability.

As a technical optimization scheme of the utility model, the lower extreme fixedly connected with disc 13 of slide bar 14, and the lower fixed surface of disc 13 is connected with spring 17 and iron plate 15, and iron plate 15 is located the inboard of spring 17, the lower extreme of spring 17 and the inner wall fixed connection of spacing box 8, and the inner wall fixedly connected with electro-magnet 16 of spacing box 8, electro-magnet 16 aligns with iron plate 15, conveniently controls the position of fixture block 9, consequently can put aside fixture block 9 at any time when needing the angle of adjusting blade 2, avoids influencing adjusting blade 2's angle.

The utility model discloses when using, when the angle of blade 2 needs to be adjusted, at first, the electro-magnet 16 to spacing box 8 inside is circular telegram, thereby electro-magnet 16 will adsorb iron plate 15, through the inside that iron plate 15 pulling slide bar 14 took in spacing box 8 with slide bar 14, slide bar 14 breaks away from gear 10 with pulling fixture block 9 simultaneously, then the staff is starting micro motor 5, thereby micro motor 5 will drive worm 11 and rotate, and worm 11 will drive worm wheel 4's rotation, consequently worm wheel 4 will drive the rotation of blade 2 through pivot 3, stop micro motor 5 after adjusting certain angle with blade 2, cut off the power supply to electro-magnet 16 this moment, later slide bar 14 receives the elasticity of spring 17 will be released spacing box 8's inside, consequently, fixture block 9 of slide bar 14 upper end will buckle again and carry on spacingly at gear 10's inside counter shaft 3.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides an axial-flow pump blade angle adjusting device, includes axle sleeve (1), its characterized in that: the utility model discloses a bearing, including axle sleeve (1), installation storehouse (6), and the inside of installation storehouse (6) is equipped with pivot (3), the lower extreme of pivot (3) is connected with through carousel (7) and the inner wall rotation of installation storehouse (6), and the outside fixed surface of pivot (3) is connected with worm wheel (4) and gear (10), and gear (10) are located the below of worm wheel (4), actuating mechanism is established in the outside of worm wheel (4), and the outside of gear (10) is equipped with stop gear, axle sleeve (1) fixedly connected with blade (2) are passed to the upper end of pivot (3).

2. The axial flow pump vane angle adjustment device of claim 1, wherein: and a sealing ring (12) is arranged above the mounting bin (6), and the sealing ring (12) is fixedly connected with the rotating shaft (3).

3. The axial flow pump vane angle adjustment device of claim 1, wherein: actuating mechanism wraps micro motor (5), and micro motor (5) and the inside wall fixed connection in installation storehouse (6), the one end fixedly connected with worm (11) of micro motor (5), and the side surface and worm wheel (4) meshing of worm (11) are connected.

4. The axial flow pump vane angle adjustment device of claim 1, wherein: the limiting mechanism comprises a limiting box (8), the lower end of the limiting box (8) is fixedly connected with the inner wall of the mounting bin (6), a sliding rod (14) is connected to the inside of the limiting box (8) in a sliding mode, and a clamping block (9) is fixedly connected to the upper end of the sliding rod (14).

5. The axial flow pump vane angle adjustment device of claim 4, wherein: the lower extreme fixedly connected with disc (13) of slide bar (14), and the lower fixed surface of disc (13) is connected with spring (17) and iron plate (15), and iron plate (15) are located the inboard of spring (17), the lower extreme of spring (17) and the inner wall fixed connection of spacing box (8), and the inner wall fixedly connected with electro-magnet (16) of spacing box (8), electro-magnet (16) align with iron plate (15).