CN214273747U

CN214273747U - Steam turbine convenient to overhaul

Info

Publication number: CN214273747U
Application number: CN202120290259.XU
Authority: CN
Inventors: 王家杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-09-24
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a steam turbine convenient to overhaul relates to steam turbine technical field, and is great because of the volume to current steam turbine, and its shell is not convenient for dismantle, leads to overhauing comparatively troublesome problem, now proposes following scheme, and it includes base and turbine piece, base top one side is provided with the casing, just the casing includes half first shell and the half shell of second, half first shell and the half shell of second are the matching setting, half first shell and the half shell matching department of second are provided with sealing mechanism, just sealing mechanism includes seal groove and sealed cushion, half first shell bottom is provided with first cushion, just first cushion and base top welding, half shell bottom of second is provided with the second cushion, just the second cushion is sliding installation with the base. The utility model discloses novel structure, and the device is effectual to have solved present steam turbine because of the volume is great, and its shell is not convenient for dismantle, leads to overhauing comparatively trouble problem.

Description

Steam turbine convenient to overhaul

Technical Field

The utility model relates to a steam turbine technical field specifically is a steam turbine convenient to overhaul.

Background

The steam turbine is a rotating machine which takes steam as power and converts heat energy of the steam into mechanical work, is one of the most widely applied prime movers in modern thermal power plants, is large in size, and when the steam turbine breaks down, a crane is required to be used for lifting a top cover of the steam turbine to overhaul the steam turbine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam turbine convenient to overhaul has solved present steam turbine and because of the volume is great, its shell is not convenient for dismantle, leads to overhauing comparatively trouble problem.

In order to achieve the above object, the utility model provides a following technical scheme: a steam turbine convenient to overhaul comprises a base and a turbine blade, wherein a shell is arranged on one side of the top end of the base and comprises a first half shell and a second half shell, the first half shell and the second half shell are arranged in a matched mode, a sealing mechanism is arranged at the matched position of the first half shell and the second half shell and comprises a sealing groove and a sealing rubber gasket, a first cushion block is arranged at the bottom end of the first half shell and welded with the top end of the base, a second cushion block is arranged at the bottom end of the second half shell and slidably mounted with the base, an upper push plate is welded at the upper end of the second half shell, a hydraulic pump is arranged at one end, far away from the shell, of the top end of the base, a supporting vertical plate is arranged on one side, close to the shell, of the hydraulic pump, the supporting vertical plate is welded with the base, and a hydraulic rod is arranged on one side, far away from the hydraulic pump, of the supporting vertical plate, and one end of the hydraulic rod is fixedly connected with the second half shell.

As a preferred embodiment of the utility model, second cushion bottom is provided with the pulley, just the pulley is the rectangular array distribution about second cushion bottom, the slide rail has all been seted up to base top both sides, just the slide rail is sliding fit connection with the pulley.

As a preferred embodiment of the utility model, the matching end of half first shell and half second shell is seted up to the seal groove, just the sealed cushion sets up in the matching end of half second shell and half first shell, just seal groove and sealed cushion are sealed accordant connection.

As an optimal implementation mode of the utility model, the hydraulic stem is the rectangular array distribution about supporting riser one side, just the hydraulic stem is kept away from the one end that supports the riser respectively with push pedal and second cushion both sides fixed connection.

As a preferred embodiment of the present invention, the turbine blade is disposed inside the first half shell through the rotation shaft, and the turbine blade is disposed inside the first half shell and the second half shell, and is disposed in the rotation setting.

As an optimal implementation mode of the utility model, go up push pedal one side both ends and all weld the reinforcing plate muscle, and both ends the reinforcing plate muscle all with the half shell outer wall welding of second.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a casing is divided into half first shell and the half shell of second through vertical direction, when overhauing the steam turbine, drives half shell horizontal migration of second through the hydraulic stem and can make the casing separation, and more present steam turbine casing sets up for upper and lower components of a whole that can function independently, and the device uncaps more conveniently to make it be convenient for overhaul.

2. The utility model discloses a setting of seal groove and sealed cushion for half first shell and second have better leakproofness when matching.

To sum up, the device has effectually solved present steam turbine because of the volume is great, and its shell is not convenient for dismantle, leads to overhauing comparatively trouble problem.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of a steam turbine of the present invention, in elevation view;

FIG. 2 is an enlarged schematic view of the steam turbine of the present invention at A in FIG. 1;

FIG. 3 is a schematic structural view of the steam turbine casing for easy maintenance of the present invention;

FIG. 4 is a schematic view of a second half shell construction of a steam turbine of the present invention for ease of maintenance;

reference numbers in the figures: 1. a base; 2. a first half shell; 3. a second half shell; 4. a first cushion block; 5. a second cushion block; 6. a slide rail; 7. a pulley; 8. a push plate is arranged; 9. reinforcing the plate ribs; 10. a hydraulic pump; 11. a hydraulic lever; 12. a support vertical plate; 13. a sealing groove; 14. sealing the rubber gasket; 15. a turbine blade.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: a steam turbine convenient to overhaul comprises a base 1 and a turbine blade 15, wherein a shell is arranged on one side of the top end of the base 1 and comprises a first half shell 2 and a second half shell 3, the first half shell 2 and the second half shell 3 are arranged in a matching mode, a sealing mechanism is arranged at the matching position of the first half shell 2 and the second half shell 3 and comprises a sealing groove 13 and a sealing rubber gasket 14, a first cushion block 4 is arranged at the bottom end of the first half shell 2, the first cushion block 4 is welded with the top end of the base 1, a second cushion block 5 is arranged at the bottom end of the second half shell 3, the second cushion block 5 and the base 1 are in sliding installation, an upper push plate 8 is welded at the upper end of the second half shell 3, a hydraulic pump 10 is arranged at one end, far away from the shell, of the top end of the base 1, a supporting vertical plate 12 is arranged on one side, close to the shell, the supporting vertical plate 12 is welded with the base 1, and one side of the supporting vertical plate 12 far away from the hydraulic pump 10 is provided with a hydraulic rod 11, and one end of the hydraulic rod 11 is fixedly connected with the second half shell 3.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in this embodiment, the casing of steam turbine is divided into first half shell 2 and second half shell 3 through vertical direction section, when overhauing the steam turbine, drive half shell 3 horizontal migration of second through hydraulic stem 11 and can make the casing separation, compare the steam turbine casing and set up for components of a whole that can function independently from top to bottom, the uncapping of the device is more convenient, thereby make it be convenient for overhaul, through the setting of seal groove 13 and sealed cushion 14, have better leakproofness when making half shell 2 of first half and second half shell 3 match.

The bottom end of the second cushion block 5 is provided with a pulley 7, the pulley 7 is distributed in a rectangular array manner relative to the bottom end of the second cushion block 5, two sides of the top end of the base 1 are both provided with slide rails 6, the slide rails 6 are connected with the pulley 7 in a sliding matching manner, the sealing groove 13 is arranged at the matching end of the first half shell 2 and the second half shell 3, the sealing rubber mat 14 is arranged at the matching end of the second half shell 3 and the first half shell 2, the sealing groove 13 is connected with the sealing rubber mat 14 in a sealing matching manner, the hydraulic rod 11 is distributed in a rectangular array manner relative to one side of the supporting vertical plate 12, one end of the hydraulic rod 11 far away from the supporting vertical plate 12 is respectively fixedly connected with two sides of the upper push plate 8 and the second cushion block 5, the steam wheel piece 15 is arranged inside the first half shell 2 through a rotating shaft, and the steam wheel piece 15 is arranged in a rotating manner positioned inside the matching of the first half shell 2 and the second half shell 3, and reinforcing plate ribs 9 are welded at two ends of one side of the upper push plate 8, and the reinforcing plate ribs 9 are welded with the outer wall of the second half shell 3.

The working principle is as follows: when the steam turbine needs to be overhauled, through closing the hydraulic pump 10, make the hydraulic stem 11 shrink, move second half shell 3 along slide rail 6 to the direction of keeping away from first half shell 2, make first half shell 2 and second half shell 3 separate, thereby make the internals of first half shell 2 can show, the mesh of being convenient for overhaul has been reached from this, overhaul the completion back, start hydraulic pump 10, make hydraulic stem 11 prop up, move push pedal 8 and second cushion 5 to first half shell 2 direction, make second half shell 3 and first half shell 2 match the laminating, when second half shell 3 and first half shell 2 match the laminating, the sealed cushion 14 of second half shell 3 is sealed accordant connection with the seal groove 13 of first half shell 2, accomplish the assembly of steam turbine shell promptly this moment.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a steam turbine convenient to overhaul, its characterized in that, includes base (1) and turbine blade (15), base (1) top one side is provided with the casing, just the casing includes half first shell (2) and half second shell (3), half first shell (2) and half second shell (3) are the matching setting, half first shell (2) and half second shell (3) matching department are provided with sealing mechanism, just sealing mechanism includes seal groove (13) and sealed cushion (14), half first shell (2) bottom is provided with first cushion (4), just first cushion (4) and base (1) top welding, half second shell (3) bottom is provided with second cushion (5), just second cushion (5) are sliding mounting with base (1), the welding of half second shell (3) upper end has last push pedal (8), the one end that the casing was kept away from on base (1) top is provided with hydraulic pump (10), just one side that hydraulic pump (10) are close to the casing is provided with support riser (12), support riser (12) and base (1) welding, just one side that hydraulic pump (10) were kept away from in support riser (12) is provided with hydraulic stem (11), just half shell (3) fixed connection of hydraulic stem (11) one end and second.

2. A turbine for facilitating service according to claim 1 wherein: second cushion (5) bottom is provided with pulley (7), just pulley (7) are the rectangular array distribution about second cushion (5) bottom, slide rail (6) have all been seted up to base (1) top both sides, just slide rail (6) are sliding match with pulley (7) and are connected.

3. A turbine for facilitating service according to claim 1 wherein: the matching end of half first shell (2) and half second shell (3) is seted up in seal groove (13), just sealed cushion (14) set up in the matching end of half second shell (3) and half first shell (2), just seal groove (13) and sealed cushion (14) are sealed accordant connection.

4. A turbine for facilitating service according to claim 1 wherein: the hydraulic stem (11) is rectangular array distribution about supporting riser (12) one side, just the one end that supports riser (12) is kept away from in hydraulic stem (11) respectively with push up plate (8) and second cushion (5) both sides fixed connection.

5. A turbine for facilitating service according to claim 1 wherein: the turbine piece (15) sets up inside first half shell (2) through the pivot, just turbine piece (15) are located the inside that first half shell (2) and second half shell (3) match and are the rotation setting.

6. A turbine for facilitating service according to claim 1 wherein: go up push pedal (8) one side both ends and all weld reinforcing plate muscle (9), and both ends reinforcing plate muscle (9) all with half shell (3) outer wall welding of second.