CN219045426U

CN219045426U - Fixing structure of steam turbine rotor

Info

Publication number: CN219045426U
Application number: CN202222893811.1U
Authority: CN
Inventors: 范方泗
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-30
Filing date: 2022-10-30
Publication date: 2023-05-19
Anticipated expiration: 2032-10-30

Abstract

The utility model relates to a steam turbine rotor technical field specifically is a fixed knot of steam turbine rotor constructs, including the bottom plate, the spout has been seted up on the bottom plate, sliding connection has two sliders in the spout, and spout internal rotation is connected with double-end reverse screw rod, double-end reverse screw rod all passes through threaded connection with two sliders, and the one end fixedly connected with axis of rotation of double-end reverse screw rod, the one end of axis of rotation runs through the bottom plate and extends to outside, through connecting block fixedly connected with semicircle board on the slider, the fixed orifices has been seted up on the semicircle board, fixedly connected with spliced pole in the fixed orifices, limiting groove, sliding hole and a plurality of arc draw-in groove have been seted up on the spliced pole, sliding connection has the limiting plate in the limiting groove, fixedly connected with slide bar on the limiting plate, the one end of slide bar runs through the sliding hole and extends to outside, and the one end fixedly connected with splint of slide bar has the effect that is less to the automobile engine rotor of different sizes of being convenient for.

Description

Fixing structure of steam turbine rotor

Technical Field

The application relates to the technical field of steam turbine rotors, in particular to a fixing structure of a steam turbine rotor.

Background

The turbine is also known as a steam turbine engine, and is a rotary steam power device, high-temperature and high-pressure steam is sprayed onto blades after passing through a fixed nozzle to become accelerated airflow, so that a rotor provided with a blade row rotates and simultaneously does work outwards, the turbine is main equipment of a modern thermal power plant and is also used in metallurgical industry, chemical industry and ship power devices, the turbine is an external combustion rotary machine capable of converting steam heat energy into mechanical work, the steam from a boiler enters the turbine and sequentially passes through a series of annularly-configured nozzles and movable blades to convert the heat energy of the steam into mechanical energy for rotating the rotor of the turbine, the steam is in the turbine, energy conversion is carried out in different modes, and the turbines with different working principles are formed, and the rotor in the turbine needs to be fixed when being maintained, so that a fixed structure of the rotor of the turbine is urgently needed.

Through retrieval, the utility model patent with the Chinese patent number of CN202220689022.3 discloses a fixing device of a steam turbine rotor, which comprises a left base and a right base which are symmetrically arranged, a left fixing block and a right fixing block which are symmetrically arranged, wherein a left clamping ring is fixedly arranged between the left base and the left fixing block, and a right clamping ring is fixedly arranged between the right base and the right fixing block; main jacks are arranged in the left base and the right base, and main inserting rods are arranged in the main jacks; a plurality of suckers are arranged on the inner side walls of the left clamping ring and the right clamping ring; auxiliary jacks are arranged in the left fixing block and the right fixing block, and auxiliary inserting rods are arranged in the auxiliary jacks. This application is when maintaining the rotor in the steam turbine, through the cooperation of inserted bar and jack, inserted block and draw-in groove, can stabilize fixed rotor, makes the rotor carry at the accessible machine when dismantling the transport, produces the potential safety hazard when having avoided artifical dismantlement, and makes the rotor be difficult for receiving the damage when the transport.

Due to the fact that the sizes of the automobile rotors are different, the automobile rotors with different sizes cannot be fixed conveniently, and the use limitation is high.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the application provides a fixing structure of a steam turbine rotor, so as to solve the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a fixed knot of steam turbine rotor constructs, which comprises a base plate, the spout has been seted up on the bottom plate, sliding connection has two sliders in the spout, and the spout internal rotation is connected with double-end reverse screw rod, double-end reverse screw rod and two sliders all pass through threaded connection, and the one end fixedly connected with axis of rotation of double-end reverse screw rod, the one end of axis of rotation runs through the bottom plate and extends to outside, through connecting block fixedly connected with semicircle board on the slider, the fixed orifices has been seted up on the semicircle board, fixedly connected with spliced pole in the fixed orifices, limiting groove has been seted up on the spliced pole, sliding hole and a plurality of arc draw-in groove, sliding connection has the limiting plate in the limiting groove, fixedly connected with slide bar's one end runs through the sliding hole and extends to outside, and two spliced grooves have been seted up on the limiting plate, sliding connection has limited plate's both ends respectively fixedly connected with spring and arc fixture block, the one end of arc fixture block can run through the limiting plate and extend to the inside of corresponding arc draw-in groove under the effect of spring.

Through adopting above-mentioned technical scheme, through the cooperation of axis of rotation and double-end reverse screw rod, can drive the slider and remove, the slider drives the connecting block and removes, and the connecting block drives the semicircle board and removes, can press from both sides tightly fixedly to big turbine rotor through two semicircle boards, and the cooperation through limiting plate, spring and arc fixture block can make limiting plate remove fixed when corresponding position, through the cooperation of slide bar and splint, can press from both sides tightly fixedly to less turbine rotor.

Preferably, the wear-resisting sleeve is fixedly connected with the inside of the sliding hole, one end of the rotating shaft is fixedly connected with the hand wheel, the hand wheel is provided with anti-skidding lines, the rotating shaft is rotationally connected with the bottom plate through a bearing, and the clamping plate is fixedly connected with the anti-skidding pad.

Through adopting above-mentioned technical scheme, can facilitate the user through the reverse screw rod of hand wheel rotation double-end.

(III) beneficial effects

Compared with the prior art, the application provides a fixing structure of a steam turbine rotor, which comprises the following steps of

The beneficial effects are that:

this turbine rotor's fixed knot constructs, through the cooperation of axis of rotation and double-end reverse screw, can drive the slider and remove, the slider drives the connecting block and removes, and the connecting block drives the semicircle board and removes, can press from both sides tightly fixedly to big turbine rotor through two semicircle boards, pops out the cooperation of spring and arc fixture block, can make the limiting plate fixed when removing corresponding position, through the cooperation of sliding lever and splint, can press from both sides tightly fixedly to less turbine rotor, thereby be convenient for fix the car machine rotor of equidimension not, the use limitation is lower.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic view of a partial enlarged structure of FIG. 1A of the present application;

FIG. 3 is a schematic view of a partial enlarged structure at B in FIG. 1 of the present application;

fig. 4 is a partially enlarged schematic structural view of fig. 1C of the present application.

In the figure: 1. a bottom plate; 2. a slide block; 3. double-ended reverse screw; 4. a rotating shaft; 5. a connecting block; 6. a semicircular plate; 7. a connecting column; 8. a limiting plate; 9. a slide bar; 10. a clamping plate; 11. a limiting plate; 12. spring is ejected; 13. an arc-shaped clamping block; 14. a wear-resistant sleeve; 15. a hand wheel; 16. a bearing; 17. an anti-slip mat.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

Examples

Referring to fig. 1, a fixing structure of a steam turbine rotor comprises a bottom plate 1, a chute is arranged on the bottom plate 1, two sliding blocks 2 are slidably connected in the chute, a double-head reverse screw 3 is rotationally connected with the chute, the double-head reverse screw 3 and the two sliding blocks 2 are connected through threads, one end of the double-head reverse screw 3 is fixedly connected with a rotating shaft 4, one end of the rotating shaft 4 penetrates through the bottom plate 1 and extends to the outside, one end of the rotating shaft 4 is fixedly connected with a hand wheel 15, a user can conveniently rotate the rotating shaft 4 through the hand wheel 15, anti-skid patterns are arranged on the hand wheel 15, the hand of the user can be prevented from sliding on the hand wheel 15 through the anti-skid patterns, referring to fig. 4, the rotating shaft 4 is rotationally connected with the bottom plate 1 through a bearing 16, the stability of the rotating shaft 4 can be increased through the bearing 16, the sliding block 2 is fixedly connected with a semicircular plate 6 through a connecting block 5, a fixing hole is arranged on the semicircular plate 6, the fixed hole is fixedly connected with a connecting column 7, the connecting column 7 is provided with a limiting groove, a sliding hole and a plurality of arc clamping grooves, the limiting groove is internally and slidably connected with a limiting plate 8, the limiting plate 8 is square in shape, the limiting plate 8 is fixedly connected with a sliding rod 9, one end of the sliding rod 9 penetrates through the sliding hole and extends to the outside, the sliding hole is internally and fixedly connected with a wear-resistant sleeve 14, the service life of the sliding rod 9 can be prolonged through the wear-resistant sleeve 14, one end of the sliding rod 9 is fixedly connected with a clamping plate 10, the clamping plate 10 is fixedly connected with an anti-sliding pad 17, a turbine rotor can be prevented from sliding on the clamping plate 10 through the anti-sliding pad 17, the limiting plate 8 is provided with two connecting grooves, the limiting plate 11 is internally and slidably connected with a spring 12 and an arc clamping block 13 respectively at two ends of the limiting plate 11, one end of the arc clamping block 13 can penetrate through the limiting plate 8 under the action of the ejection spring 12 and extend to the inside of a corresponding arc clamping groove, the sliding block 2 can be driven to move through the cooperation of the rotating shaft 4 and the double-end reverse screw rod 3, the sliding block 2 drives the connecting block 5 to move, the connecting block 5 drives the semicircular plate 6 to move, the large turbine rotor can be clamped and fixed through the two semicircular plates 6, the limiting plate 8 can be fixed when moving to the corresponding position through the cooperation of the limiting plate 11, the ejection spring 12 and the arc clamping block 13, the smaller turbine rotor can be clamped and fixed through the cooperation of the sliding rod 9 and the clamping plate 10, and accordingly the automobile turbine rotor with different sizes can be fixed conveniently, and the use limitation is low.

In summary, this turbine rotor's fixed knot constructs, when using, firstly place this turbine rotor's fixed knot constructs the position that needs to use, when needs to fix turbine rotor, the user can put turbine rotor between two semicircle boards 6, then the user rotates hand wheel 15, hand wheel 15 drives axis of rotation 4 and rotates, axis of rotation 4 drives double-end reverse screw 3 and rotates, double-end reverse screw 3 drives slider 2 and removes, slider 2 drives connecting block 5 and removes, connecting block 5 drives semicircle board 6 and removes, when turbine rotor is great, two semicircle boards 6 can press from both sides tightly fixedly with it, when turbine rotor is less, can push up movable clamp plate 10 and remove, clamp plate 10 drives slide bar 9 and removes, slide bar 9 drives limiting plate 8 and removes, limiting plate 8 extrudes arc fixture block 13 and removes and break away from corresponding arc draw-in groove, then make arc fixture block 13 insert in corresponding arc draw-in groove, the position of limiting plate 8 is fixed, can press from both sides tightly fixedly with turbine rotor.

Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixed knot of steam turbine rotor constructs, includes bottom plate (1), its characterized in that: the utility model discloses a device for fixing a sliding block of a sliding block type on a sliding block, which comprises a base plate (1), a sliding block (2) arranged on the base plate, a sliding groove is slidably connected on the sliding groove, a double-head reverse screw (3) is connected with the sliding groove in a sliding way, the double-head reverse screw (3) and the two sliding blocks (2) are connected through threads, one end of the double-head reverse screw (3) is fixedly connected with a rotating shaft (4), one end of the rotating shaft (4) penetrates through the base plate (1) and extends to the outside, a semicircular plate (6) is fixedly connected on the sliding block (2) through a connecting block (5), a fixing hole is arranged on the semicircular plate (6), a connecting column (7) is fixedly connected in the fixing hole, a limiting groove, a sliding hole and a plurality of arc clamping grooves are formed in the connecting column (7), a limiting plate (8) is slidably connected on the limiting groove, a sliding rod (9) is fixedly connected on the limiting plate (8), one end of the sliding rod (9) penetrates through the sliding hole and extends to the outside, one end of the sliding rod (9) is fixedly connected with a clamping plate (10), two connecting grooves are formed in the limiting plate (8), the sliding groove is connected with a semicircular plate (11), and the limiting block (11) is fixedly connected with the corresponding arc-shaped clamping block (13) through the corresponding arc-shaped clamping block, and extends to one end of the limiting block (13).

2. The fixing structure of a steam turbine rotor according to claim 1, wherein: and a wear-resistant sleeve (14) is fixedly connected in the sliding hole.

3. The fixing structure of a steam turbine rotor according to claim 1, wherein: one end of the rotating shaft (4) is fixedly connected with a hand wheel (15).

4. A fixing structure of a steam turbine rotor according to claim 3, wherein: and anti-skid patterns are arranged on the hand wheel (15).

5. The fixing structure of a steam turbine rotor according to claim 1, wherein: the rotating shaft (4) is rotatably connected with the bottom plate (1) through a bearing (16).

6. The fixing structure of a steam turbine rotor according to claim 1, wherein: an anti-slip pad (17) is fixedly connected to the clamping plate (10).