CN219262561U

CN219262561U - Impeller with detachable blades

Info

Publication number: CN219262561U
Application number: CN202320597567.6U
Authority: CN
Inventors: 项雪伟; 项雪军; 王俊仁; 项凯波
Original assignee: Hangzhou Kaixun Machinery Co ltd
Current assignee: Chen Faxiang
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-06-27
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a blade detachable impeller, wherein the outer side of a rotating shaft is uniformly provided with a mounting groove, the inside of the mounting groove is provided with water turbine blades, the inner sides of the water turbine blades are provided with mounting blocks, the mounting blocks are connected with the mounting groove, the outer side of the rotating shaft is uniformly provided with outer supporting ribs, the two sides of the outer supporting ribs are provided with supporting inclined planes, the outer side of the rotating shaft is provided with a sealing ring, the inner sides of the sealing ring are uniformly provided with sealing blocks, and the sealing blocks are connected with the mounting groove. According to the utility model, the outer supporting ribs are arranged, the supporting inclined planes are arranged on the two sides of the outer supporting ribs, and the two sides of the water turbine blade of the water turbine are attached to the supporting inclined planes in the use process, so that the supporting and protecting functions on the joint of the water turbine blade of the water turbine and the rotating shaft can be effectively realized, and the damage to the water turbine blade of the water turbine when impacted by water flow is reduced, so that the service life of the water turbine blade of the water turbine is prolonged.

Description

Impeller with detachable blades

Technical Field

The utility model relates to the technical field of water turbines, in particular to a blade-detachable impeller.

Background

The water turbine is a power machine for converting energy of water flow into rotary mechanical energy, and belongs to turbine machines in fluid machines, most of modern water turbines are installed in hydropower stations and used for driving generators to generate electricity, and impellers are important component parts of the water turbine;

chinese patent grant publication No. CN212027968U discloses a novel impeller for a detachable water turbine, including pivot and blade, still include the screw, the pivot axle side is equipped with and is used for fixing the fixed plate groove of pivot, blade bottom fixedly connected with fixed plate, the fixed plate can be embedded into in the fixed plate groove, the pivot side is equipped with the screw hole, the screw hole link up and extend to the fixed plate groove makes the screw hole with the fixed plate groove communicates, the blade with the quantity of fixed plate groove is a plurality of and the quantity is the same, the fixed plate side is equipped with the screw blind hole, the screw with the screw blind hole with the screw hole adaptation, the utility model reasonable in design, easy operation improves disinfection work's efficiency greatly, above-mentioned prior art scheme has following disadvantages: the blade in the technical scheme is clamped in the rotating shaft through the fixing plate and is fixed through the screw, but in the use process, the effect of the impact force of the water flow is larger when the blade rotates, and the protection measures for the joint of the blade and the rotating shaft are relatively lacking, so that the joint is easy to damage, and a certain optimization space is provided.

Disclosure of Invention

The utility model aims to provide a blade-detachable impeller, which is used for solving the problem that the protection effect of the joint of the installed blades is poor in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a detachable impeller of blade, includes the pivot, the outside of pivot evenly is provided with the mounting groove, and the inside of mounting groove all installs hydraulic turbine water turbine blade, the installation piece is all installed to hydraulic turbine water turbine blade's inboard, and the installation piece all is connected with the mounting groove, the outside of pivot evenly installs outer supporting rib, and the both sides of outer supporting rib all are provided with the support inclined plane, the seal ring is installed in the outside of pivot, and the inboard of seal ring evenly installs the sealing piece, the sealing piece all is connected with the mounting groove.

When the blade-detachable impeller of the technical scheme is used, the support protection function of the junction of the water turbine blade and the rotating shaft can be effectively achieved by arranging the outer support ribs and the support inclined planes, so that the damage to the water turbine blade when impacted by water flow is reduced, and the service life of the water turbine blade is prolonged.

Preferably, the width of the installation block is matched with the width of the installation groove, and the sections of the installation block and the installation groove are trapezoidal.

Preferably, the installation blocks and the installation grooves are all arranged to be six groups, and the installation blocks are all arranged at the middle positions of the bottom ends of the water turbine blades.

Preferably, screw holes are formed in the outer supporting ribs, and bolts are mounted in the screw holes through seal rings.

Preferably, the rotating shaft and the outer supporting ribs are integrally welded.

Preferably, the installation block and the installation groove are integrally welded.

Compared with the prior art, the utility model has the beneficial effects that: the blade-detachable impeller has the advantages that the blade-detachable impeller achieves the functions of being convenient to disassemble and assemble and not easy to loosen;

through the arrangement of the outer supporting ribs, the supporting inclined planes are arranged on the two sides of the outer supporting ribs, the two sides of the water turbine blade of the water turbine are attached to the supporting inclined planes in the use process, so that the supporting and protecting functions of the joint of the water turbine blade of the water turbine and the rotating shaft can be effectively achieved, the damage to the water turbine blade of the water turbine caused by the impact of water flow is reduced, the service life of the water turbine blade of the water turbine is prolonged, through setting up the seal ring, the water turbine blade is connected through the pivot of acting on of installation piece and mounting groove in the use, fixes it through the effect of seal ring and seal piece after the installation is accomplished, makes things convenient for water turbine blade's change promptly to can be when water turbine blade is impaired or overhauls its dismouting, in order to satisfy different user demands.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic cross-sectional elevation view of the present utility model;

FIG. 3 is a schematic side sectional view of the present utility model;

fig. 4 is a schematic view of a three-dimensional structure of a rotating shaft according to the present utility model.

Reference numerals in the drawings illustrate: 1. turbine water wheel blades; 2. sealing rings; 3. a bolt; 4. a rotating shaft; 5. an outer support rib; 6. a mounting block; 7. a support slope; 8. a mounting groove; 9. sealing blocks; 10. screw holes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: a vane-detachable impeller comprises a rotating shaft 4;

the rotating shaft 4 and the outer supporting ribs 5 are integrally welded;

specifically, as shown in fig. 2, when in use, the connecting effect of the structure can be improved through the welding integrated arrangement between the rotating shaft 4 and the outer supporting ribs 5;

the outer side of the rotating shaft 4 is uniformly provided with mounting grooves 8, the inside of each mounting groove 8 is provided with a water turbine blade 1, and the inner sides of the water turbine blades 1 are provided with mounting blocks 6;

the width of the mounting block 6 is matched with the width of the mounting groove 8, the cross sections of the mounting block 6 and the mounting groove 8 are trapezoidal, the mounting block 6 and the mounting groove 8 are six groups, and the mounting block 6 is arranged at the middle position of the bottom end of the water turbine blade 1;

specifically, as shown in fig. 2, when in use, the width of the mounting block 6 is matched with the width of the mounting groove 8, and the cross sections of the mounting block 6 and the mounting groove 8 are trapezoidal, so that the limiting function can be realized after the water turbine blade 1 is mounted;

the installation block 6 and the installation groove 8 are integrally welded;

specifically, as shown in fig. 2, when in use, the mounting block 6 and the mounting groove 8 are integrally welded, so that the mounting block is not easy to break;

the mounting blocks 6 are connected with the mounting grooves 8, and the outer side of the rotating shaft 4 is uniformly provided with the outer supporting ribs 5;

screw holes 10 are formed in the outer supporting ribs 5, and bolts 3 are arranged in the screw holes 10 through the sealing rings 2;

specifically, as shown in fig. 2, in use, the bolt 3 and the screw hole 10 are used to facilitate fixation after installation;

and the both sides of outer supporting rib 5 all are provided with support inclined plane 7, and seal ring 2 is installed in the outside of pivot 4, and seal piece 9 is evenly installed to the inboard of seal ring 2, and seal piece 9 all is connected with mounting groove 8.

Working principle: when the hydraulic turbine water turbine blade 1 is used, firstly, two sides of the hydraulic turbine water turbine blade 1 are attached to the supporting inclined plane 7, and the supporting protection function of the joint of the hydraulic turbine water turbine blade 1 and the rotating shaft 4 can be effectively achieved by matching with the action of the outer supporting ribs 5, so that the damage to the hydraulic turbine water turbine blade 1 caused by water flow impact is reduced, secondly, the hydraulic turbine water turbine blade 1 is connected with the rotating shaft 4 through the action of the mounting block 6 and the mounting groove 8, and is fixed through the action of the sealing ring 2 and the sealing block 9 after the installation is finished, namely, the hydraulic turbine water turbine blade 1 is convenient to replace, and the hydraulic turbine water turbine blade 1 can be disassembled and assembled when damaged or overhauled, so that different use requirements are met.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a removable impeller of blade, includes pivot (4), its characterized in that: the utility model discloses a hydraulic turbine water turbine, including pivot (4), sealing ring (2), sealing ring (9), sealing block (9) are all connected with mounting groove (8), sealing ring (2) are installed in the outside of pivot (4), sealing ring (9) are installed in the inside of sealing ring (2), sealing ring (6) are all connected with mounting groove (8).

2. A vane-removable impeller according to claim 1, wherein: the width of the mounting block (6) is matched with the width of the mounting groove (8), and the cross sections of the mounting block (6) and the mounting groove (8) are trapezoidal.

3. A vane-removable impeller according to claim 1, wherein: the installation blocks (6) and the installation grooves (8) are all arranged to be six groups, and the installation blocks (6) are all arranged at the middle positions of the bottom ends of the water turbine blades (1).

4. A vane-removable impeller according to claim 1, wherein: screw holes (10) are formed in the outer supporting ribs (5), and bolts (3) are mounted in the screw holes (10) through the sealing rings (2).

5. A vane-removable impeller according to claim 1, wherein: the rotating shaft (4) and the outer supporting ribs (5) are integrally welded.

6. A vane-removable impeller according to claim 1, wherein: the installation blocks (6) and the installation grooves (8) are integrally welded.