CN219522064U

CN219522064U - Maintenance platform for overhauling steam turbine of power plant

Info

Publication number: CN219522064U
Application number: CN202320965820.9U
Authority: CN
Inventors: 伍月婷; 郑德荣; 邹纯海
Original assignee: Sichuan Xihong Electric Power Engineering Co ltd
Current assignee: Sichuan Xihong Electric Power Engineering Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-08-15
Anticipated expiration: 2033-04-26

Abstract

The utility model discloses a maintenance platform for a steam turbine of a power plant, which relates to the technical field of maintenance platforms of steam turbines and comprises a maintenance platform, wherein an adjusting and moving device is rotatably arranged in the upper end of the maintenance platform, fixing devices are fixedly arranged at the tops of the left end and the right end of the adjusting and moving device, and a steam turbine is arranged between the two fixing devices. According to the utility model, the adjusting and moving device is arranged, the positions of the two lower clamping seats can be adjusted according to the length of the steam turbine through the driving assembly and the supporting and sliding assembly, so that the two lower clamping seats are respectively positioned at the left end and the right end of the steam turbine and are better placed, the steam turbines with different lengths can be overhauled by placing the steam turbines with different lengths on the overhauling table, and the fixing device is arranged, so that the output shaft of the placed steam turbine can be fixed, the stability of the overhauling of the steam turbine is further improved, and the phenomenon of danger caused by shaking and falling is prevented.

Description

Maintenance platform for overhauling steam turbine of power plant

Technical Field

The utility model relates to the technical field of steam turbine maintenance platforms, in particular to a power plant steam turbine maintenance platform.

Background

The steam turbine is also called a steam turbine engine, 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 steam turbine is main equipment of a modern thermal power plant and is also used in the power device of the metallurgical industry, the chemical industry and the ship, and the steam turbine needs to be overhauled and maintained regularly, so that a platform is needed for placing the steam turbine, and overhauling is convenient for an overhauling master, and an overhauling and maintaining platform for the steam turbine of the power plant is provided.

In the prior art, a Chinese patent document with publication number of CN217440115U and publication date of 2022, 9, 16 is proposed to solve the above technical problems, and the technical scheme disclosed in the patent document is as follows: the utility model provides a power plant steam turbine overhauls maintenance device, includes elevating system, elevating system's lower extreme sets up the base, the lower extreme of base is provided with moving mechanism, elevating system's upper end is provided with U type mount, be provided with locking mechanism on the U type mount. According to the utility model, the lifting mechanism is arranged on the base and connected with the U-shaped fixing frame, and the steam turbine shaft is placed in the U-shaped fixing frame, so that the lifting of the steam turbine shaft is realized; the locking mechanism is arranged on the U-shaped fixing frame and used for fixing the turbine shaft arranged in the U-shaped fixing frame, so that the turbine shaft is prevented from shaking, and the maintenance of workers is facilitated; the telescopic mechanism is arranged and connected with the lifting mechanism which is relatively arranged, so that the turbine shafts with different models and sizes can be overhauled conveniently, and the use value of the device is improved.

In order to solve the problem that the steam turbine is stable during maintenance, the prior art adopts locking mechanism to fix the steam turbine, but this kind of locking mechanism simple structure, firm effect is not good, and locking mechanism can not hug closely with the outer wall of steam turbine, leads to fixed effect inadequately, appears rocking the phenomenon during maintenance.

Disclosure of Invention

The utility model provides a maintenance platform for a steam turbine of a power plant, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a power plant steam turbine overhauls maintenance platform, includes maintenance platform, maintenance platform upper end is inside to be rotated and is installed and adjust mobile device, both ends top is all fixed mounting has fixing device about adjusting mobile device, two be provided with the steam turbine between the fixing device.

The adjusting and moving device comprises a driving assembly, wherein the driving assembly is arranged in a groove at the upper end of the overhaul and maintenance platform, and the top of the driving assembly is fixedly provided with a supporting and sliding assembly.

The fixing device comprises a lower clamping seat, wherein the lower clamping seat is fixedly connected to the top of the supporting sliding assembly, and the top of the lower clamping seat is fixedly provided with a clamping assembly.

The technical scheme of the utility model is further improved as follows: the maintenance platform comprises a maintenance platform, the bottom fixedly connected with pulley of maintenance platform, the mounting groove has been seted up to maintenance platform top intermediate position, the spout has all been seted up to the side around the mounting groove.

According to the technical scheme, the sliding block moves on the sliding groove, so that the stability of the movable block in moving can be enhanced, and the movable block can be better supported.

The technical scheme of the utility model is further improved as follows: the driving assembly comprises a crank, the output end of the crank is fixedly connected with a double-head threaded rod, the left end and the right end of the double-head threaded rod are all rotationally connected to the inner wall of the mounting groove, and the outer wall of the double-head threaded rod is connected with a movable block in a threaded manner.

The technical scheme of the utility model is further improved as follows: the support sliding assembly comprises a support plate, the support plate is fixedly connected to the top of the movable block, the bottoms of the front side and the rear side of the support plate are fixedly connected with sliding blocks, and the outer walls of the sliding blocks are in sliding connection with the inner walls of the sliding grooves.

According to the technical scheme, the crank is rocked, the output end of the crank is connected with the double-head threaded rod, the double-head threaded rod is driven to rotate, the movable block moves on the double-head threaded rod, and meanwhile the sliding block moves on the sliding groove until the two lower clamping seats can just put down the length of the output shaft.

The technical scheme of the utility model is further improved as follows: the clamping assembly comprises a mounting frame, wherein the mounting frame is fixedly connected to the top of the lower clamping seat, and the upper end of the mounting frame is connected with a first threaded rod in a threaded mode.

The technical scheme of the utility model is further improved as follows: the top of threaded rod one all fixedly connected with handle, equal threaded connection has last grip slipper on the below outer wall of threaded rod one, just go up the outer wall of grip slipper and the equal sliding connection of inner wall of mounting bracket.

In the technical scheme, the handle is rotated, so that the first threaded rod rotates and drives the upper clamping seat to move downwards until the upper clamping seat moves to the lower clamping seat, and the output shaft can be fixed.

The technical scheme of the utility model is further improved as follows: the steam turbine comprises an output shaft, the left end and the right end of the output shaft are arranged on the lower clamping seat, and the outer wall of the output shaft is provided with a steam turbine body.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

the utility model provides a maintenance platform for a steam turbine of a power plant, which is characterized in that an adjusting and moving device is arranged on the device, the positions of two lower clamping seats can be adjusted according to the length of the steam turbine through a driving assembly and a supporting and sliding assembly, so that the two lower clamping seats are respectively positioned at the left end and the right end of the steam turbine, are better placed, and can be placed on the maintenance platform to maintain the steam turbines with different lengths.

The utility model provides a maintenance platform for a steam turbine of a power plant, which is characterized in that a fixing device is arranged on the device, and an output shaft of a placed steam turbine can be fixed through a lower clamping seat, a mounting frame, a first threaded rod, a handle and an upper clamping seat, so that the stability of the steam turbine during maintenance is further improved, and the phenomenon of danger caused by shaking and falling is prevented.

The utility model provides a maintenance platform for a steam turbine of a power plant, which can enhance the stability of a movable block during movement and can better support a fixing device and the steam turbine through a supporting plate and a sliding block.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the left side of FIG. 1 according to the present utility model;

FIG. 3 is a schematic view of the maintenance platform of FIG. 1;

FIG. 4 is a schematic diagram of the adjusting and moving device of FIG. 2 according to the present utility model;

fig. 5 is a schematic structural view of the fixing device of fig. 2 according to the present utility model.

In the figure: 1. a maintenance platform is overhauled; 2. adjusting the moving device; 3. a fixing device; 4. a steam turbine; 11. an overhaul stand; 12. a pulley; 13. a chute; 14. a mounting groove; 21. a drive assembly; 22. supporting the sliding assembly; a1, a crank; a2, a double-head threaded rod; a3, a movable block; b1, a supporting plate; b2, a sliding block; 31. a lower clamping seat; 32. a clamping assembly; c1, mounting a rack; c2, a first threaded rod; c3, a handle; c4, upper clamping seats; 41. an output shaft; 42. a turbine body.

Description of the embodiments

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a power plant steam turbine overhauls maintenance platform, including overhauling maintenance platform 1, overhaul maintenance platform 1 upper end inside rotation is installed and is adjusted mobile device 2, install and adjust mobile device 2, through the drive assembly 21 and the support slip subassembly 22 that set up, can adjust the position of two lower grip holders 31 according to the length of steam turbine 4, shake crank a1 promptly, make movable block a3 remove on double-end threaded rod a2, simultaneously make slider b2 remove on spout 13, make two lower grip holders 31 be located steam turbine 4 respectively about both ends, place better, can place on this overhauling platform 11 and overhaul steam turbine 4 of different length, adjust mobile device 2 about both ends top equal fixed mounting have fixing device 3, install fixing device 3, through the lower grip holder 31 that sets up, mounting bracket c1, a c2, handle c3 and last grip holder c4, make the output shaft 41 that can place good steam turbine 4 fix, rotate handle c3 promptly, make a c2 rotate, and drive and go up grip holder c4 and move down, until moving down and can be fixed to the output shaft 31 down, prevent that the dangerous situation from appearing in the time of shaking the output shaft 3, the device is fixed when the steam turbine 4 is further fixed, the dangerous situation is avoided, the device is fixed to the two turbine is broken down, the turbine is fixed, and the danger is avoided, the turbine is 4 is improved, and the device is fixed, and is stable, and is more stable, the device is easy, and is convenient.

In this embodiment, the maintenance platform 1 includes a maintenance platform 11, a pulley 12 is fixedly connected to the bottom of the maintenance platform 11, a mounting groove 14 is provided in the middle position of the top of the maintenance platform 11, and sliding grooves 13 are provided on the front and rear sides of the mounting groove 14.

Preferably, adjust mobile device 2 includes actuating assembly 21, actuating assembly 21 sets up in maintenance platform 1 upper end inslot, the equal fixed mounting in actuating assembly 21 top has support sliding component 22, actuating assembly 21 includes crank a1, crank a1 output fixedly connected with double-end threaded rod a2, both ends all rotate and connect on the mounting groove 14 inner wall about double-end threaded rod a2, equal threaded connection has movable block a3 on the double-end threaded rod a2 outer wall, support sliding component 22 includes backup pad b1, backup pad b1 equal fixed connection is at the top of movable block a3, backup pad b1 front and back side bottom equal fixed connection has slider b2, through backup pad b1 and the slider b2 of setting, stability of movable block a3 when removing can be strengthened, and fixing device 3 and steam turbine 4 can be supported better, and the outer wall of slider b2 and the equal sliding connection of inner wall of spout 13, install on the device and adjust mobile device 2, through the actuating assembly 21 and support sliding component 22 of setting, can adjust the position of two lower grip brackets 31 according to the length of steam turbine 4, shake the equal fixed connection of movable block b1, make movable block a3 and make movable block a3 carry out the centre gripping down on the length of two left and right sides of the two side brackets 11 simultaneously, make the movable block a3 and make the two left and right side brackets and 3 place the length and make the two lower than the movable block 3 and the left side 11 on the two upper bracket and the two side and the side of the two movable block respectively, and the upper bracket 2, and the length is located on the upper and lower than the length, and can be placed on the upper side.

Further alternatively, fixing device 3 includes down grip slipper 31, lower grip slipper 31 equal fixed connection is at support slip subassembly 22 top, the equal fixed mounting in lower grip slipper 31 top has grip slipper 32, grip slipper 32 includes mounting bracket c1, mounting bracket c1 equal fixed connection is at grip slipper 31 top down, mounting bracket c1 upper end equal threaded connection has threaded rod one c2, the equal fixedly connected with handle c3 in top of threaded rod one c2, equal threaded connection has last grip slipper c4 on the below outer wall of threaded rod one c2, and go up the outer wall of grip slipper c4 and the equal sliding connection of inner wall of mounting bracket c1, install fixing device 3 on the device, lower grip slipper 31 through setting up, mounting bracket c1, threaded rod one c2, handle c3 and last grip slipper c4, make can fix the output shaft 41 of turbine 4 that has placed promptly, make one c2 rotate, and drive and go up grip slipper c4 and move down, until moving down on grip slipper 31 can be fixed output shaft 41, further improve the stability when turbine 4, prevent to drop and the dangerous phenomenon of shaking from appearing.

Further, the steam turbine 4 comprises an output shaft 41, the left end and the right end of the output shaft 41 are both arranged on the lower clamping seat 31, and a steam turbine body 42 is arranged on the outer wall of the output shaft 41.

The working principle of the maintenance platform for the steam turbine of the power plant is specifically described below.

As shown in fig. 1 to 5, the steam turbine 4 is placed above the maintenance platform 11 by a crane, then the positions of the two fixing devices 3 are adjusted according to the length of the steam turbine 4, namely, the crank a1 is rocked, so that the movable block a3 moves on the double-headed threaded rod a2, meanwhile, the sliding block b2 moves on the sliding groove 13 until the two lower clamping seats 31 can just put down the length of the output shaft 41, then one end stretches into the lower clamping seat 31, the other end stretches into the lower clamping seat 31 on the other side, then the handle c3 is rotated, so that the threaded rod c2 is rotated, and the upper clamping seat c4 is driven to move downwards until the upper clamping seat c4 moves onto the lower clamping seat 31, and the output shaft 41 can be fixed.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a power plant steam turbine overhauls maintenance platform, includes maintenance platform (1), its characterized in that: an adjusting moving device (2) is rotatably arranged in the upper end of the overhaul and maintenance platform (1), fixing devices (3) are fixedly arranged at the tops of the left end and the right end of the adjusting moving device (2), and a steam turbine (4) is arranged between the two fixing devices (3);

the adjusting and moving device (2) comprises a driving assembly (21), the driving assembly (21) is arranged in a groove at the upper end of the overhaul and maintenance platform (1), and a supporting and sliding assembly (22) is fixedly arranged at the top of the driving assembly (21);

the fixing device (3) comprises a lower clamping seat (31), the lower clamping seats (31) are fixedly connected to the top of the supporting sliding assembly (22), and clamping assemblies (32) are fixedly installed on the tops of the lower clamping seats (31).

2. A power plant steam turbine service repair platform according to claim 1, characterized in that: the maintenance platform (1) comprises a maintenance platform (11), a pulley (12) is fixedly connected to the bottom of the maintenance platform (11), a mounting groove (14) is formed in the middle position of the top of the maintenance platform (11), and sliding grooves (13) are formed in the front side and the rear side of the mounting groove (14).

3. A power plant steam turbine service repair platform according to claim 1, characterized in that: the driving assembly (21) comprises a crank (a 1), the output end of the crank (a 1) is fixedly connected with a double-head threaded rod (a 2), the left end and the right end of the double-head threaded rod (a 2) are rotatably connected to the inner wall of the mounting groove (14), and the outer wall of the double-head threaded rod (a 2) is connected with a movable block (a 3) in a threaded manner.

4. A power plant steam turbine service repair platform according to claim 1, characterized in that: the support sliding assembly (22) comprises a support plate (b 1), wherein the support plate (b 1) is fixedly connected to the top of the movable block (a 3), the bottoms of the front side and the rear side of the support plate (b 1) are fixedly connected with a sliding block (b 2), and the outer wall of the sliding block (b 2) is in sliding connection with the inner wall of the sliding groove (13).

5. A power plant steam turbine service repair platform according to claim 1, characterized in that: the clamping assembly (32) comprises a mounting frame (c 1), wherein the mounting frame (c 1) is fixedly connected to the top of the lower clamping seat (31), and the upper end of the mounting frame (c 1) is connected with a first threaded rod (c 2) in a threaded manner.

6. A power plant steam turbine service repair platform as claimed in claim 5, wherein: the top of threaded rod one (c 2) is all fixedly connected with handle (c 3), equal threaded connection has grip slipper (c 4) on the below outer wall of threaded rod one (c 2), just the outer wall of last grip slipper (c 4) and the equal sliding connection of inner wall of mounting bracket (c 1).

7. A power plant steam turbine service repair platform according to claim 1, characterized in that: the steam turbine (4) comprises an output shaft (41), the left end and the right end of the output shaft (41) are arranged on the lower clamping seat (31), and a steam turbine body (42) is arranged on the outer wall of the output shaft (41).