CN220929484U

CN220929484U - Turbine impeller

Info

Publication number: CN220929484U
Application number: CN202322878691.2U
Authority: CN
Inventors: 陶杨
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-10-26
Filing date: 2023-10-26
Publication date: 2024-05-10
Anticipated expiration: 2033-10-26

Abstract

The utility model discloses a turbine impeller, which comprises a mounting wheel and blades, wherein at least one blade is movably mounted on the outer wall of the mounting wheel in an annular mode, a dismounting assembly for quickly dismounting the blade is arranged outside the mounting wheel, the dismounting assembly comprises a positioning ring and a mounting plate, one end of the mounting plate is fixedly connected with one end of the blade, a containing part matched with the mounting plate is arranged on the outer wall of the mounting wheel, an annular groove is arranged at one end of the mounting wheel, the positioning ring is detachably mounted in an inner cavity of the annular groove, the mounting ring is rotatably mounted at one end of the positioning ring, a brake plate is fixedly mounted at one end of the mounting ring away from the positioning ring, and a through hole communicated with the inner cavity of the containing groove is formed in the inner wall of the annular groove away from the opening end of the mounting ring. Through setting up dismouting subassembly, can realize the quick assembly disassembly between blade and the installation wheel to realize the purpose of changing the blade of damage, can be to blade and the installation wheel used repeatedly that does not damage, reduced the cost when impeller is changed and is maintained.

Description

Turbine impeller

Technical Field

The utility model relates to the technical field of turbine impeller replacement, in particular to a turbine impeller.

Background

The steam turbine is also called a steam turbine engine, and is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed onto blades, so that a rotor provided with a blade row rotates and simultaneously does work outwards. Steam turbines are the main equipment of modern thermal power plants and are also used in metallurgical industry, chemical industry and ship power plants.

The turbine is to the arc blade on the impeller through the high temperature high pressure steam nozzle, because of the air current direction changes, produce the impact force to arc blade, promote the rotatory acting of impeller, realize by heat energy conversion to kinetic energy, its shortcoming is turbine impeller can produce very big centrifugal force when the operation, arc blade easily takes place resonance, the rupture frequently takes place, and structure as an organic whole between traditional turbine blade and the impeller, need to change the impeller whole when one of them blade rupture, can not change the blade of rupture alone, and undamaged blade and impeller can not reuse, cause the impeller to change and the cost is higher when maintaining, consequently, need a novel turbine impeller.

Disclosure of utility model

The utility model mainly aims to provide a turbine impeller which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is that the turbine impeller comprises a mounting wheel and blades, wherein at least one blade is movably mounted on the outer wall of the mounting wheel in an annular distribution, and a dismounting assembly for quickly dismounting the blade is arranged outside the mounting wheel.

The dismouting subassembly includes holding ring and mounting panel, the one end fixed connection of mounting panel and the one end fixed connection of blade, the holding portion with mounting panel looks adaptation has been seted up to the outer wall of mounting wheel, and the ring channel has been seted up to the one end of mounting wheel, the holding ring can be dismantled and install in the inner chamber of ring channel, and the holding ring is installed in the one end rotation of holding ring, the holding ring is kept away from the holding ring's one end fixed mounting and has been had the brake plate, the through-hole with holding groove inner chamber intercommunication has been seted up to the ring channel, the mounting panel is close to the one end of through-hole and has been seted up the constant head tank with the brake plate looks adaptation.

Further, the inner wall of the locating groove far away from the opening end of the locating groove is fixedly provided with a magnet for adsorbing the brake plate.

Further, the outer wall of the positioning ring is provided with external threads, and the inner wall of the annular groove is provided with internal threads matched with the external threads.

Further, one end of the positioning ring far away from the mounting ring is fixedly provided with a mounting disc, and one end of the mounting disc is provided with a penetrating hole communicated with the inner cavity of the mounting wheel.

Further, the diameter of the mounting disc is not smaller than the diameter of the mounting wheel, and the outer wall of the mounting wheel is fixedly sleeved with the anti-skid sleeve.

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

According to the utility model, when the blades are required to be disassembled through the disassembly and assembly, the positioning ring is taken out from the annular groove, the plurality of brake plates are simultaneously pulled out from the positioning groove, so that the separation of the brake plates and the mounting plate can be realized, and then the mounting plate is taken out from the accommodating groove, so that the disassembly between the blades and the mounting wheel is realized, the purpose of replacing damaged blades is realized, the blades and the mounting wheel which are not damaged can be reused, and the cost of replacing and maintaining the impeller is reduced.

Drawings

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

FIG. 2 is a cross-sectional view of the mounting wheel and mounting plate of the present utility model;

FIG. 3 is a cross-sectional view of a mounting ring and mounting plate of the present utility model;

Fig. 4 is an enlarged view of the structure of fig. 2a according to the present utility model.

In the figure: 1. a mounting wheel; 2. a blade; 3. a mounting plate; 4. a mounting plate; 5. a positioning ring; 6. a brake plate; 7. and (5) a mounting ring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be 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.

Referring to fig. 1-4, the present utility model is a turbine impeller, which comprises a mounting wheel 1 and blades 2, wherein at least one blade 2 is movably mounted on the outer wall of the mounting wheel 1 in a ring shape, a dismounting assembly for quickly dismounting the blades 2 is arranged outside the mounting wheel 1, a plurality of blades 2 are movably mounted on the outer wall of the mounting wheel 1 in a ring shape, the blades 2 are impacted by a high-temperature high-pressure steam nozzle, and impact force on the blades 2 is generated due to change of airflow direction, so that the mounting wheel 1 is pushed to rotate to apply work.

The dismouting subassembly includes holding ring 5 and mounting panel 4, the one end fixed connection of mounting panel 4 and the one end of blade 2, the holding portion with mounting panel 4 looks adaptation has been seted up to the outer wall of installation wheel 1, wherein the holding portion sets up to the recess the same with mounting panel 4 shape, the outer wall of installation wheel 1 is the annular and distributes and set up a plurality of holding portions, a plurality of mounting panels 4 install a plurality of inside back of holding portions, can realize preliminary connection between blade 2 and the installation wheel 1.

An annular groove is formed in one end of the mounting wheel 1, the positioning ring 5 is detachably mounted in an inner cavity of the annular groove, the mounting ring 7 is rotatably mounted at one end of the positioning ring 5, and when the positioning ring 5 is placed inside the annular groove, one end, far away from the positioning ring 5, of the mounting ring 7 is attached to the bottom of the annular groove, so that the mounting ring 7 is supported, and the stability of the positioning ring 5 is improved.

One end of the mounting ring 7, which is far away from the locating ring 5, is fixedly provided with a brake plate 6, the annular groove is far away from the inner wall of the opening end of the annular groove, a through hole communicated with the inner cavity of the accommodating groove is formed in the inner wall of the annular groove, one end of the mounting plate 4, which is close to the through hole, is provided with a locating groove matched with the brake plate 6, and one end of the mounting ring 7 is annularly provided with a plurality of brake plates 6.

Wherein, when the bottom contact of the one end of collar 7 and ring channel, the one end of a plurality of braking boards 6 runs through the through-hole and pegs graft to the constant head tank inner chamber in, and braking board 6 one end and constant head tank bottom contact simultaneously to realize the purpose to the simultaneous localization of a plurality of mounting panels 4, prevent that mounting panel 4 from taking off from the inside portion of container.

Further, when the blade 2 needs to be disassembled, the positioning ring 5 is taken out from the annular groove, the plurality of brake plates 6 are simultaneously pulled out from the positioning groove, the brake plates 6 and the mounting plate 4 can be separated, then the mounting plate 4 is taken out from the accommodating groove, and the disassembly between the blade 2 and the mounting wheel 1 is realized, so that the purpose of replacing the damaged blade 2 is realized, the blade 2 without damage and the mounting wheel 1 can be reused, and the cost of replacing and maintaining the impeller is reduced.

The inner wall fixed mounting that the constant head tank kept away from self open end has and is used for absorbing magnet to brake plate 6, and when 7 one end of collar and ring channel bottom contact, the one end of brake plate 6 and the one end contact of magnet can realize the absorption to brake plate 6, prevents to take place relatively to rock between mounting panel 4 and the brake plate 6, has improved mounting panel 4 at holding tank internally mounted's stability.

External screw threads are formed on the outer wall of the positioning ring 5, internal screw threads matched with the external screw threads are formed on the inner wall of the annular groove, when the outer wall of the positioning ring 5 and the inner wall of the annular groove are in primary contact, one end of the brake plate 6 is inserted into the positioning groove, then the positioning ring 5 is rotated, mutual clamping between the external screw threads and the internal screw threads can be achieved, positioning of the positioning ring 5 is achieved, and separation between the positioning ring 5 and the installation wheel 1 is prevented when the positioning ring 5 is inclined.

One end fixed mounting who the collar 7 is kept away from to the holding ring 5 has the mounting disc 3, wear the jack with the mounting wheel 1 inner chamber intercommunication has been seted up to the one end of mounting disc 3, the size of mounting disc 3 is greater than the size of holding ring 5, when the one end and the ring channel bottom contact of collar 7, the one end and the top contact of mounting wheel 1 of mounting disc 3, when needs are installed mounting wheel 1 and outside transmission shaft, the inside that the installation axle can pass mounting wheel 1 runs through the jack inner chamber and extends to the other end of mounting disc 3 to realize the installation of mounting wheel 1 and transmission shaft.

The diameter of the installation disc 3 is not less than the diameter of the installation wheel 1, and the outer wall of the installation wheel 1 is fixedly sleeved with an anti-slip sleeve, so that the positioning ring 5 can be conveniently rotated by rotating the installation disc 3, and simultaneously under the action of the anti-slip sleeve, the slipping between the installation disc 3 and an installation tool is prevented, and the stability of the installation disc 3 during disassembly is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A turbine wheel, characterized by: the novel wind turbine blade comprises a mounting wheel (1) and blades (2), wherein at least one blade (2) is movably mounted on the outer wall of the mounting wheel (1) in annular distribution, and a dismounting assembly for quickly dismounting the blade (2) is arranged outside the mounting wheel (1);

The disassembly and assembly comprises a positioning ring (5) and a mounting plate (4), one end of the mounting plate (4) is fixedly connected with one end of the blade (2), the outer wall of the mounting wheel (1) is provided with a containing part matched with the mounting plate (4), one end of the mounting wheel (1) is provided with an annular groove, the positioning ring (5) is detachably arranged in an inner cavity of the annular groove, one end of the positioning ring (5) is rotationally provided with a mounting ring (7), one end of the mounting ring (7) away from the positioning ring (5) is fixedly provided with a brake plate (6), the annular groove is away from the inner wall of the opening end of the mounting plate, and one end of the mounting plate (4) close to the through hole is provided with a positioning groove matched with the brake plate (6).

2. A turbine wheel according to claim 1, wherein: the inner wall of the locating groove far away from the opening end of the locating groove is fixedly provided with a magnet for adsorbing the brake plate (6).

3. A turbine wheel according to claim 1, wherein: the outer wall of the positioning ring (5) is provided with an external thread, and the inner wall of the annular groove is provided with an internal thread matched with the external thread.

4. A turbine wheel according to claim 1, wherein: one end of the locating ring (5) far away from the mounting ring (7) is fixedly provided with a mounting disc (3), and one end of the mounting disc (3) is provided with a penetrating hole communicated with the inner cavity of the mounting wheel (1).

5. A turbine wheel according to claim 4, wherein: the diameter of the mounting disc (3) is not smaller than that of the mounting wheel (1), and the outer wall of the mounting wheel (1) is fixedly sleeved with an anti-skid sleeve.