CN218912972U

CN218912972U - Assembled steam turbine baffle

Info

Publication number: CN218912972U
Application number: CN202320179121.1U
Authority: CN
Inventors: 郑小峰
Original assignee: Hangzhou Zhentie Machinery Co ltd
Current assignee: Hangzhou Zhentie Machinery Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-04-25
Anticipated expiration: 2033-02-10

Abstract

The utility model belongs to the technical field of turbine equipment, in particular to an assembled turbine partition plate, which comprises a partition plate; the partition plates are arranged in a plurality of groups of rings; two groups of bolts are arranged at the end part of the partition plate; two groups of clamping holes matched with the bolt in shape are formed in the other end of the partition plate; a spring is arranged in the middle of the partition plate; the end part of the spring is fixedly connected with a clamping plate; the clamping plate is arranged in the middle of the partition plate in a sliding manner; the step can reduce the problem that the whole partition plate needs to be replaced because the partition plate is installed in a butt joint mode by two clamping modes when the partition plate is damaged after being used for a long time, reduces the waste of partition plate materials, and simultaneously has larger volume because the partition plate is in two groups, so that the problem that the partition plate is difficult to replace is solved.

Description

Assembled steam turbine baffle

Technical Field

The utility model relates to the technical field of turbine equipment, in particular to an assembled turbine partition plate.

Background

The steam turbine can also be called as a steam turbine generator, is a rotary steam power device and is mainly used for main equipment of modern thermal power plants.

The partition board of the steam turbine is a tool for fixing the cylinder shaft, converts heat energy into mechanical energy through rotation, and mainly plays a role of guiding steam.

Through long-time observation, the machine body can generate certain vibration force when the steam turbine operates, certain abrasion can be generated on the steam turbine partition plate, and workers are required to replace the partition plate, but the existing partition plate system is mainly formed by splicing two groups of partition plates, the whole partition plate needs to be replaced when the partition plate system is replaced, materials are excessively wasted, the partition plate is large in volume, and certain influence can be generated on the replacement of the workers; accordingly, an assembled turbine diaphragm is proposed to address the above-mentioned problems.

Disclosure of Invention

In order to overcome the defects in the prior art and solve at least one technical problem in the background art, the utility model provides an assembled steam turbine partition plate.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an assembled steam turbine separator, which comprises a separator; the partition plates are arranged in a plurality of groups of rings; two groups of bolts are arranged at the end part of the partition plate; two groups of clamping holes matched with the bolt in shape are formed in the other end of the partition plate.

Preferably, a spring is arranged in the middle of the partition plate; the end part of the spring is fixedly connected with a clamping plate; the clamping plate is arranged in the middle of the partition plate in a sliding mode.

Preferably, the end part of the partition plate is provided with two groups of rubber guide parts; the rubber guide piece is fixedly connected to the end part of the partition board.

Preferably, the middle part of the clamping plate is fixedly connected with a magnet.

Preferably, a rubber pad is fixedly connected to the middle of the partition board.

Preferably, the middle part of the partition board is fixedly connected with an elastic rod; the other end of the elastic rod is fixedly connected to the middle part of the clamping plate; the elastic rod is arranged in the middle of the spring.

The utility model has the advantages that:

1. according to the assembled steam turbine partition plate, the partition plates are divided into the plurality of groups, so that the problem that the whole partition plate needs to be replaced due to the fact that the partition plates are arranged in a butt joint mode through two clamping when the partition plates are damaged after being used for a long time can be solved, the waste of partition plate materials is reduced, and meanwhile, the problem that the partition plates are difficult to replace due to the fact that the partition plates are in two groups is solved due to the fact that the size of the partition plates is large.

2. According to the assembled steam turbine partition plate, the clamping plates are arranged in the middle of the partition plate, so that the stability of the cylinder shaft in the multiple groups of partition plates can be improved, and the problem that the cylinder shaft slides due to the fact that larger vibration force is generated when the steam turbine works is solved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is a schematic view of a separator according to the first embodiment;

FIG. 3 is a schematic diagram of a clamping plate structure according to a first embodiment;

fig. 4 is a schematic perspective view of a second embodiment.

In the figure: 1. a partition plate; 11. a bolt; 12. a clamping hole; 2. a spring; 21. a clamping plate; 3. a rubber guide; 4. a magnet; 5. a rubber pad; 6. an elastic rod; 7. a gasket.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to FIGS. 1-3, an assembled steam turbine diaphragm includes a diaphragm 1; the partition boards 1 are arranged in a plurality of groups of rings; two groups of bolts 11 are arranged at the end part of the partition board 1; two groups of clamping holes 12 matched with the shape of the bolts 11 are formed in the other end of the partition board 1; during operation, the staff needs to place the steam turbine on ground, then place a plurality of baffles 1 in parallel in the cylinder axle is inside, when the baffle 1 uses for a long time in the cylinder axle inside and appears great wearing and tearing, through dividing into the multiunit with baffle 1, then tear baffle 1 down, and change new baffle 1, then align multiunit baffle 1 tip, screw bolt 11, and change bolt 11 into inside card hole 12, thereby fix multiunit baffle 1, this step can reduce the baffle 1 position and appear damaging when changing after long-time use, because of baffle 1 is two centre gripping butt joints installation, thereby need carry out the problem of changing with whole baffle 1, reduce the waste to baffle 1 material, simultaneously because of baffle 1 is the volume is great when two sets of, make the difficult problem appears when changing baffle 1.

A spring 2 is arranged in the middle of the partition board 1; the end part of the spring 2 is fixedly connected with a clamping plate 21; the clamping plate 21 is arranged in the middle of the partition board 1 in a sliding way; during operation, when the cylinder shaft is required to be clamped inside the multiple groups of partition boards 1, the clamping plates 21 are arranged in the middle of the partition boards 1, so that the clamping plates 21 are in contact with the cylinder shaft, and then after the multiple groups of partition boards 1 are installed and fixed, the partition boards 1 can move towards the center of the cylinder shaft and squeeze the springs 2. At this time, the spring 2 can generate extrusion force, and is matched with the plurality of groups of clamping plates 21 to clamp and fix the cylinder shaft, so that the stability of the cylinder shaft in the plurality of groups of partition plates 1 can be improved, and the problem that the cylinder shaft slides due to larger vibration force generated during the working of the steam turbine is solved.

Two groups of rubber guide pieces 3 are arranged at the end parts of the partition boards 1; the rubber guide piece 3 is fixedly connected to the end part of the partition board 1; during operation, when bolt 11 needs to be blocked at the middle part of card hole 12, through being provided with rubber guide 3 at baffle 1 tip, because of rubber guide 3 middle part is the arc setting, can slide into card hole 12 middle part when baffle 1 is close to rubber guide 3 to twist bolt 11 and fix, this step can reduce bolt 11 and card hole 12 diameter narrower, makes bolt 11 and the difficult problem of butt joint appear in card hole 12.

The middle part of the clamping plate 21 is fixedly connected with a magnet 4; during operation, when grip block 21 is close to the cylinder axle, through being provided with magnet 4 in grip block 21 middle part, because of cylinder axle shell is the metal setting, then can produce the power of inter attraction when magnet 4 is close to the cylinder axle to adsorb fixedly, this step can further promote the cylinder axle and be worried for other when being held by multiunit baffle 1, reduces spring 2 and uses for a long time after, appears elasticity step, leads to the cylinder axle to appear rocking the problem.

A rubber pad 5 is fixedly connected to the middle part of the partition board 1; during operation, when baffle 1 and cylinder axle middle part contact, through being provided with rubber pad 5 at baffle 1 middle part, make rubber pad 5 card between cylinder axle and baffle 1, this step can reduce because of the bellied impurity in middle part appears after baffle 1 uses for a long time for when fixed cylinder axle, the problem of scratch is scraped out with the cylinder axle middle part to the impurity.

An elastic rod 6 is fixedly connected with the middle part of the partition board 1; the other end of the elastic rod 6 is fixedly connected to the middle part of the clamping plate 21; the elastic rod 6 is arranged in the middle of the spring 2; during operation, when the spring 2 is inclined after long-time use, through being provided with the elastic rod 6 inside the spring 2 to the position with the spring 2 is adjusted, and the skew appears in this step reducible spring 2, thereby leads to grip block 21 to appear rocking the problem to the cylinder axle is fixed, promotes the stability of cylinder axle at baffle 1 middle part.

Examples

Referring to fig. 4, in a first comparative example, as another embodiment of the present utility model, two sets of gaskets 7 are disposed at the end of the partition board 1; the gasket 7 is arranged in the middle of the bolt 11; when the operation, when multiunit baffle 1 carries out the closure fixedly, through being provided with gasket 7 at baffle 1 tip, make gasket 7 direct and rubber guide 3 contact, this step can reduce baffle 1 tip direct and rubber guide 3 contact, makes rubber guide 3 appear great wearing and tearing problem after long-time the use, promotes rubber guide 3's life.

The working principle is that the steam turbine is placed on the ground, then the plurality of clapboards 1 are placed in parallel in the cylinder shaft, when the clapboards 1 are used in the cylinder shaft for a long time and are worn out greatly, the clapboards 1 are divided into a plurality of groups, then the damaged clapboards 1 are removed and replaced by new clapboards 1, then the ends of the plurality of groups of clapboards 1 are aligned, bolts 11 are screwed, the bolts 11 are transferred into the clamping holes 12, so that the plurality of groups of clapboards 1 are fixed, the clamping plates 21 are contacted with the cylinder shaft through the clamping plates 21 arranged in the middle of the clapboards 1, and then the clapboards 1 are moved towards the center of the cylinder shaft after the plurality of groups of clapboards 1 are installed and fixed, and the springs 2 are extruded. At this time, the spring 2 can generate extrusion force, cooperate multiunit grip block 21 and carry out clamping fixation to the cylinder axle, through being provided with rubber guide 3 at baffle 1 tip, because of the middle part of rubber guide 3 is the arc setting, can slide into draw-in hole 12 middle part when baffle 1 is close to rubber guide 3, thereby twist bolt 11 and fix, through being provided with magnet 4 at grip block 21 middle part, because of the cylinder axle shell is the metal setting, then can produce the power of mutual attraction when magnet 4 is close to the cylinder axle, thereby adsorb fixedly, through being provided with rubber pad 5 at baffle 1 middle part, make rubber pad 5 card between cylinder axle and baffle 1, through being provided with elastic rod 6 in spring 2 inside, thereby put the position of spring 2 into the right.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the 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.

Claims

1. An assembled steam turbine diaphragm comprises a diaphragm (1); the partition boards (1) are arranged in a plurality of groups of rings; the method is characterized in that: two groups of bolts (11) are arranged at the end part of the partition board (1); two groups of clamping holes (12) matched with the bolts (11) in shape are formed in the other end of the partition plate (1).

2. The assembled turbine diaphragm of claim 1, wherein: a spring (2) is arranged in the middle of the partition board (1); a clamping plate (21) is fixedly connected to the end part of the spring (2); the clamping plate (21) is arranged in the middle of the partition plate (1) in a sliding mode.

3. An assembled turbine diaphragm according to claim 2, wherein: two groups of rubber guide parts (3) are arranged at the end parts of the partition plates (1); the rubber guide piece (3) is fixedly connected to the end part of the partition board (1).

4. A modular steam turbine diaphragm as in claim 3 wherein: the middle part of the clamping plate (21) is fixedly connected with a magnet (4).

5. The assembled turbine diaphragm of claim 4, wherein: a rubber pad (5) is fixedly connected to the middle of the partition board (1).

6. The assembled turbine diaphragm of claim 5, wherein: an elastic rod (6) is fixedly connected to the middle part of the partition board (1); the other end of the elastic rod (6) is fixedly connected to the middle part of the clamping plate (21); the elastic rod (6) is arranged in the middle of the spring (2).