CN213976618U

CN213976618U - Nuclear power station steam turbine high-medium pressure cylinder body lifting device

Info

Publication number: CN213976618U
Application number: CN202022674268.7U
Authority: CN
Inventors: 洪志辉; 付晴; 黄赣锋; 张林卓; 刘澍邦; 王欣欣
Original assignee: CNNC Fujian Nuclear Power Co Ltd
Current assignee: CNNC Fujian Nuclear Power Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-17
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to the field of mechanical equipment, especially, relate to a nuclear power station steam turbine high-and-medium pressure cylinder body lifting device. The lifting device comprises: the device comprises a straight beam body, a steel wire rope, a shackle, a steel wire rope lockset, a chain block and a bracket; the bracket is movably connected with the straight beam body; the steel wire ropes are connected with the support and hung on two sides of the straight beam body respectively; the shackle is connected with the steel wire rope and the steel wire rope lockset; the upper portion of wire rope tool to lock is walked around the shackle, with chain block's last couple links to each other, the lower part of wire rope tool to lock with chain block's lower couple links to each other. The utility model discloses a nuclear power station steam turbine high-and-medium pressure cylinder body lifting device, simple structure, safe and reliable, the flexibility is strong.

Description

Nuclear power station steam turbine high-medium pressure cylinder body lifting device

Technical Field

The utility model relates to the field of mechanical equipment, especially, relate to a nuclear power station steam turbine high-and-medium pressure cylinder body lifting device.

Background

The steam turbine of the nuclear power plant is used as one of key equipment of the two loops, and new steam generated by the nuclear island is converted into mechanical energy, so that the generator is driven to generate electric energy. The steam turbine cylinder body is divided into a high-pressure cylinder, an intermediate-pressure cylinder and a low-pressure cylinder according to steam operation characteristics, and the cylinder body mainly has the function of separating the atmosphere from the through-flow part of the steam turbine to ensure that steam normally works in the cylinder body. In addition, the stator components of the turbine cylinder block support, such as the diaphragms and the gland seals, are subjected to not only the weight of the stators, but also the radial and axial forces to which the stators are subjected. The new steam firstly passes through a high-pressure cylinder, expands between a high-pressure rotor and a partition plate to do work, and at the moment, the steam has high humidity and high pressure; the steam from the high pressure cylinder enters the intermediate pressure cylinder for acting after being reheated through steam-water separation, the steam humidity is reduced, the pressure is reduced, and the design structure and the used materials of the high pressure cylinder and the intermediate pressure cylinder are different due to the difference of steam parameters.

The novel steam turbine of a certain nuclear power plant adopts a high-medium pressure closed cylinder structure, a high-pressure cylinder steam inlet steam guide pipe is welded on a cylinder body, when the steam turbine is overhauled, the steam guide pipe of the part is hung out along with a cylinder, the total weight is about 170t, and because the high-pressure cylinder of the steam turbine is different from the structure of a medium-pressure cylinder, the gravity line of the cylinder is not coincident with the geometric center line.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the hoisting tool for the high-medium pressure cylinder body of the steam turbine of the nuclear power station is provided, and hoisting of the high-medium pressure cylinder body is achieved.

The utility model provides a nuclear power station steam turbine high-and-medium-pressure cylinder body lifting device, include: the device comprises a straight beam body, a steel wire rope, a shackle, a steel wire rope lockset, a chain block and a bracket;

the bracket is movably connected with the straight beam body;

the steel wire ropes are connected with the support and hung on two sides of the straight beam body respectively;

the shackle is connected with the steel wire rope and the steel wire rope lockset;

the upper part of the steel wire rope lock bypasses the shackle and is connected with the upper hook of the chain block,

the lower part of the steel wire rope lock is connected with the lower hook of the chain block.

Preferably, the lower part of the steel wire rope lock bypasses a cylinder body hoisting point and then is connected with the lower hook of the chain block.

Preferably, still include the buffer part, the buffer part set up in the wire rope lock is kept away from the one end of support for between wire rope tool to lock and the cylinder body hoisting point.

Preferably, the buffer member is a rubber plate.

Preferably, the load of the chain block is 30t, and the length adjustment range is 1000 mm-4000 mm.

Preferably, the bracket is a steel bracket.

Preferably, the bracket is locked with the straight beam body through a lock catch.

Preferably, the straight beam body is a steel beam.

Preferably, the total bearing capacity of the straight beam body is 180t, a traveling crane hook point is arranged on the straight beam body, and the traveling crane hook point is located at the center of gravity of the cylinder body.

Compared with the prior art, the utility model discloses a nuclear power station steam turbine high-and-medium pressure cylinder body lifting device has following beneficial effect:

(1) the structure is simple, the safety and the reliability are realized, and the practicability is strong;

(2) the hoisting device can be used for hoisting the high-medium pressure cylinder body of the steam turbine, and can be flexibly adjusted according to the actual condition of the cylinder body;

(3) can use chain block to finely tune according to the on-the-spot actual slope condition of cylinder body, the flexibility is high.

Drawings

Fig. 1 shows a front view of the hoisting tool for the high-medium pressure cylinder body of the steam turbine of the nuclear power station;

fig. 2 shows the utility model discloses a nuclear power station steam turbine high-and-medium pressure cylinder body lifting device's left side view.

Detailed Description

For further understanding of the present invention, embodiments of the present invention are described below with reference to examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the present invention.

The embodiment of the utility model discloses a nuclear power station steam turbine high-and-medium pressure cylinder body lifting device, as shown in figure 1 and figure 2, include: the steel wire rope lock comprises a straight beam body 1, a steel wire rope 2, a shackle 3, a steel wire rope lock 4, a chain block 5 and a bracket 6;

the straight beam body 1 is a steel beam;

the total carrying capacity of the straight beam body 1 is 180t, and a traveling crane hook point is arranged on the straight beam body 1 and is positioned at the gravity center of the cylinder body;

the bracket 6 is movably connected with the straight beam body 1;

the steel wire rope 2 is connected with the bracket 6 and hung on two sides of the straight beam body 1;

the shackle 3 is connected with the steel wire rope 2 and the steel wire rope lockset 4;

the upper part of the steel wire rope lockset 2 rounds the shackle 3 and is connected with the upper hook of the chain block 5,

the lower part of the steel wire rope lockset 2 bypasses a cylinder body hoisting point and then is connected with a lower hook of the chain block 5; the load of the chain block 5 is 30t, and the length adjusting range is 1000 mm-4000 mm.

Still include buffer unit 7, buffer unit 7 set up in the wire rope lock is kept away from the one end of support for between wire rope tool to lock and the cylinder body hoisting point.

Preferably, the buffer member 7 is a rubber plate.

The bracket 6 is a steel bracket.

The support 6 is locked with the straight beam body 1 through a lock catch.

The above description of the embodiments is only intended to help understand the method of the present invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a nuclear power station steam turbine high-and-medium pressure cylinder body lifting device which characterized in that includes: the device comprises a straight beam body, a steel wire rope, a shackle, a steel wire rope lockset, a chain block and a bracket;

the bracket is movably connected with the straight beam body;

2. The hoisting tool for the high and medium pressure cylinder body of the steam turbine of the nuclear power plant as claimed in claim 1, wherein the lower part of the steel wire rope lock bypasses a cylinder body hoisting point and is connected with the lower hook of the chain block.

3. The hoisting tool for the high and medium pressure cylinder body of the steam turbine of the nuclear power station as claimed in claim 2, further comprising a buffering component, wherein the buffering component is arranged at one end of the steel wire rope lock far away from the support and is used between the steel wire rope lock and a hoisting point of the cylinder body.

4. The lifting tool for the high-and-medium-pressure cylinder body of the steam turbine of the nuclear power plant as claimed in claim 3, wherein the buffer member is a rubber plate.

5. The hoisting tool for the high and medium pressure cylinder body of the steam turbine of the nuclear power station as claimed in claim 1, wherein the load of the chain block is 30t, and the length adjustment range is 1000mm to 4000 mm.

6. The hoisting tool for the high and medium pressure cylinder body of the steam turbine of the nuclear power plant as claimed in claim 1, wherein the support is a steel support.

7. The hoisting tool for the high and medium pressure cylinder body of the steam turbine of the nuclear power plant as claimed in claim 1, wherein the bracket is locked with the straight beam body by a lock catch.

8. The hoisting tool for the high and medium pressure cylinder body of the steam turbine of the nuclear power plant as claimed in claim 1, wherein the straight beam body is a steel beam.

9. The hoisting tool for the high-and-medium-pressure cylinder body of the steam turbine of the nuclear power station as claimed in claim 8, wherein the total load capacity of the straight beam body is 180t, and a traveling crane hook point is arranged on the straight beam body and is located at the center of gravity of the cylinder body.