CN219452709U - Deformation-preventing diaphragm coupler for steam turbine - Google Patents

Abstract

The utility model relates to the technical field of turbine mounting accessories and discloses an anti-deformation diaphragm coupler for a turbine, which comprises a coupler module, an anti-deformation module and a connecting module, wherein the coupler module comprises a ring frame, a group of arc blocks which are vertically and symmetrically connected to one side of the front end of the ring frame, a movable block connected to the outer end of any arc block and a group of movable pipes which are vertically and symmetrically connected to the other side of the front end of the ring frame, an extension bulge is arranged on the inner end of each arc block, a threaded hole which is formed in the end part of the extension bulge in a penetrating way, and the coupler module is arranged.

Description

Deformation-preventing diaphragm coupler for steam turbine

Technical Field

The utility model relates to the technical field of turbine mounting accessories, in particular to an anti-deformation diaphragm coupler for a turbine.

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, and a coupler belongs to a bearing structure of an end shaft of the steam turbine and is installed and used.

However, the following drawbacks still exist in practical use:

the coupler of the existing steam turbine is installed in the using process, when interference connection is adopted, the end part of the steam turbine is connected inside the coupler, but the coupler is inconvenient to detach later, and time and labor are wasted.

Therefore, the requirements in practical use cannot be met, so there is an urgent need in the market for improved techniques to solve the above problems.

Disclosure of Invention

The utility model aims to provide an anti-deformation diaphragm coupler for a steam turbine, which solves the problems that the existing coupler for the steam turbine is inconvenient and time-consuming and labor-consuming in the subsequent disassembly due to the arrangement of a coupler module and the installation mode in the use process when interference connection is adopted.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a deformation-preventing diaphragm coupler for a steam turbine, which comprises the following components:

the coupler module is used for carrying out structural bearing on the turbine end shaft;

the anti-deformation module is used for carrying out external anti-deformation on the coupler module;

the connecting module is used for fastening and installing the group of coupling modules;

the coupler module comprises a ring frame, a group of arc blocks which are vertically and symmetrically connected to one side of the front end of the ring frame, a movable block connected to the outer end of any one arc block, and a group of movable pipes which are vertically and symmetrically connected to the other side of the front end of the ring frame, wherein extension bulges are arranged at the inner ends of the arc blocks, and threaded holes which are formed in the end parts of the extension bulges in a penetrating mode are formed in the end parts of the extension bulges.

Further, the opening that the opposite side of ring frame front end has the opening of seting up relative movable block, and the opening is rectangular, and the inside horizontal longitudinal length of opening is greater than the horizontal longitudinal length of movable block, and the opening is when carrying out the installation to the movable pipe and accept, can provide the space that the movable block reciprocated, and the easy movable block is inside the movable pipe to satisfy the demand to external steam turbine end shaft installation.

Further, the connecting module comprises a steel sheet arranged at the central position of the inner side of a group of adjacent ring frames and a plurality of connecting columns penetrating through the steel sheet and the edge of the ring frames at equal intervals, the end part of any connecting column is provided with a connecting nut, the steel sheet can improve the connecting strength of the structure between the group of adjacent ring frames, the adjacent group of ring frames can be fixedly installed through the connecting column under the use of the matching nuts, and the connecting mode of threads is easy for the disassembly and assembly of the structure.

Further, the rubber washers are connected with the outer edges of the steel sheets at equal intervals, the rubber washers are in contact with the inner sides of the ring frames, and the stability of the structure between the adjacent groups of ring frames in connection can be ensured through the contact between the rubber washers and the ring frames, so that the steel sheet is easy to use.

Further, the deformation prevention module comprises a ring block connected to the rear part of the outer surface of the ring frame, a plurality of hollow pipes connected to the outer ends of the ring block at equal intervals and an anti-collision column sleeved in any hollow pipe, wherein the middle part of the rear end of the hollow pipe is provided with a connected threaded column, one end of the threaded column is threaded into a threaded hole formed in the corresponding position of the ring frame, the hollow pipe and the ring block are fixedly installed through threaded connection between the threaded column and the threaded hole, and the hollow pipe and the ring block are easy to assemble and disassemble in a threaded connection mode.

The utility model has the following beneficial effects:

according to the utility model, one side of the front part of the ring frame is split into a group of arc blocks, and the arc blocks can be used together with the movable pipe and the movable block to adjust the spacing between the group of arc blocks, so that the turbine end shaft can be quickly disassembled and assembled, and the efficiency of operation can be improved;

meanwhile, the plurality of anti-collision column structures are additionally arranged outside the ring frame to form a circular ring, and the ring frame is externally anti-collision protected, so that the ring frame can be effectively prevented from being deformed due to collision, and the cost is saved.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

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

FIG. 1 is an exterior exploded view of the present utility model;

FIG. 2 is a block diagram of a coupling module of the present utility model;

FIG. 3 is a block diagram of an anti-deformation module according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

100. a coupling module; 110. a ring frame; 120. an arc-shaped block; 130. a movable block; 140. a movable tube; 200. an anti-deformation module; 210. a ring block; 220. a hollow tube; 230. an anti-collision column; 300. a connection module; 310. a steel sheet; 320. a rubber gasket; 330. and (5) connecting the columns.

Description of the embodiments

The technical solutions in 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.

Examples

Referring to fig. 1-2, the present embodiment is an anti-deformation diaphragm coupling for a steam turbine, comprising:

a coupling module 100 for structurally receiving a turbine end shaft;

the coupling module 100 comprises a ring frame 110, a group of arc blocks 120 which are vertically and symmetrically connected to one side of the front end of the ring frame 110, a movable block 130 which is connected to the outer end of any one arc block 120, and a group of movable pipes 140 which are vertically and symmetrically connected to the other side of the front end of the ring frame 110;

wherein, the inner end of any arc block 120 is provided with an extension bulge;

the end part of the extension bulge is provided with a threaded hole which is penetrated and opened;

the other side of the front end of the ring frame 110 is provided with an opening corresponding to the movable block 130;

wherein the opening is rectangular;

wherein the inner transverse and longitudinal length of the opening is greater than the transverse and longitudinal length of the movable block 130;

the use of the coupling module 100 is performed:

the steel sheet 310 is put into the inner side of the adjacent group of ring frames 110 in advance, and the structure between the group of ring frames 110 is installed and fastened through the connecting column 330 by using the matched nuts;

at this time, the bolts in the extension protrusions on the arc blocks 120 are unscrewed, and an outward moving force is applied to the arc blocks 120, and the distance between a group of arc blocks 120 is enlarged by the outward movement of the movable blocks 130 in the movable tube 140;

then, the turbine end shaft can be placed inside the ring frame 110, and the arc-shaped block 120 is subjected to the reverse step;

i.e., the use of the coupling module 100 is completed.

Referring to fig. 3, the method further includes;

the deformation preventing module 200 externally preventing deformation of the coupling module 100;

the deformation preventing module 200 comprises a ring block 210 connected to the rear part of the outer surface of the ring frame 110, a plurality of hollow pipes 220 equidistantly connected to the outer ends of the ring block 210, and an anti-collision column 230 sleeved in any hollow pipe 220;

the middle part of the rear end of any hollow tube 220 is provided with a connected threaded column;

one end of the threaded column is threaded and extends into a threaded hole formed in a corresponding position of the ring frame 110;

the use of the deformation prevention module 200 is performed:

the plurality of collision posts 230 are sequentially controlled in structure, and the respective inner ends are placed in the corresponding hollow tubes 220, and then the structure between the two can be firmly connected under the action of inward pressing force;

at this time, the above steps are repeated in sequence, so that the connection of the plurality of anti-collision posts 230 on the outside of the ring frame 110 can be performed, and an annular structure is formed, so as to form anti-deformation protection on the outside of the ring frame 110;

the use of the deformation preventing module 200 is completed.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. A deformation-preventing diaphragm coupling for a steam turbine, comprising:

a coupling module (100) for structurally receiving the turbine end shaft;

the anti-deformation module (200) is used for carrying out external anti-deformation on the coupling module (100);

a connection module (300) for fastening and mounting the coupling module (100);

the coupler module (100) comprises a ring frame (110), a group of arc blocks (120) which are vertically and symmetrically connected to one side of the front end of the ring frame (110), a movable block (130) which is connected to the outer end of any one arc block (120), and a group of movable pipes (140) which are vertically and symmetrically connected to the other side of the front end of the ring frame (110); the inner end of the arc-shaped block (120) is provided with an extension bulge, and the end part of the extension bulge is provided with a threaded hole which is penetrated and arranged.

2. The deformation-preventing diaphragm coupling for steam turbines according to claim 1, wherein the other side of the front end of the ring frame (110) is provided with an opening opposite to the movable block (130), the opening is rectangular, and the transverse and longitudinal length of the inside of the opening is larger than that of the movable block (130).

3. The anti-deformation diaphragm coupling for steam turbines according to claim 2, wherein the connecting module (300) comprises a steel sheet (310) arranged at the inner central position of a group of adjacent ring frames (110) and a plurality of connecting columns (330) penetrating through the steel sheet (310) and the edges of the ring frames (110) at equal intervals, and connecting nuts are arranged at the ends of the connecting columns (330).

4. A deformation-preventing diaphragm coupling for a steam turbine according to claim 3, wherein the outer edges of the steel plates (310) are equidistantly connected with rubber washers (320), and the rubber washers (320) are in contact with the inner side of the ring frame (110).

5. The coupling of claim 4, wherein the deformation preventing module (200) comprises a ring block (210) connected to the rear portion of the outer surface of the ring frame (110), a plurality of hollow tubes (220) equidistantly connected to the outer ends of the ring block (210), and a collision post (230) sleeved inside any hollow tube (220).

6. The anti-deformation diaphragm coupling for a steam turbine according to claim 5, wherein a threaded column is connected to the middle of the rear end of the hollow pipe (220), and one end of the threaded column is threaded into a threaded hole formed in a corresponding position of the ring frame (110).