Mounting base for guide vane of steam turbine

By designing a turbine guide vane mounting base that includes a rotating column and a sliding block, the problem of time-consuming drill bit position adjustment was solved, installation efficiency and safety were improved, and the drill bit maintenance process was simplified.

CN224200713UActive Publication Date: 2026-05-05DEYANG TESHUNTE MACHINERY EQUIPMENT MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DEYANG TESHUNTE MACHINERY EQUIPMENT MANUFACTURING CO LTD
Filing Date
2025-02-24
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

In existing technologies, the installation of turbine guide vanes requires a significant amount of time and effort to adjust the drill bit position, leading to operator fatigue and low efficiency.

Method used

A mounting base structure including a first base, a rotating column, a limiting component, a sliding block, a support column, and a drill bit is designed. The drill bit can be quickly positioned by the cooperation of the rotating column and the sliding block. A second outer shell is installed on the outside of the drill bit to prevent debris from flying, which facilitates the maintenance and replacement of the drill bit.

Benefits of technology

It enables rapid drill bit positioning, improves installation efficiency, enhances workplace safety, and simplifies the drill bit maintenance and replacement process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steam turbine guide vane mounting base, which comprises a first base, the inside of the first base is rotatably connected with a rotating column, the inside of the first base is slidably connected with a limiting assembly used for limiting a mechanism to move within a specified range, the inside of the limiting assembly is slidably connected with a sliding block, and the sliding block is slidably connected with the inside of the first base. One end of the sliding block is fixedly connected with a sleeve, and the interior of the sleeve is slidably connected with a supporting column. By means of the structure, the rotating column drives the second base at the bottom to extrude the outline of a steam turbine above the base, drilling is conducted on the steam turbine through the drill bits on the two sides of the rotating column, the rotating column can be rotated to enable the drill bits on the two sides of the rotating column to move on the sliding rails in the first base through the sliding blocks, and therefore in the installation process, the steam turbine can be conveniently installed. An operator can quickly position the drill bit to the next drilling position without replacing a mounting tool or readjusting the position of the whole mounting base.
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Description

Technical Field

[0001] This utility model relates to the field of steam turbine components technology, and in particular to a mounting base for steam turbine guide vanes. Background Technology

[0002] The mounting base for turbine guide vanes is a key component in a steam turbine used to install guide vanes. It is the intermediate structure connecting the turbine rotor (or stator) and the guide vanes. Its main function is to provide a precise installation position and stable support for the guide vanes, ensuring that the guide vanes can accurately guide the steam flow during turbine operation, thereby achieving efficient energy conversion.

[0003] However, in existing technologies, operators of some devices need to spend more effort and time adjusting the drill bit position, which increases their workload. Prolonged exposure to this high-intensity work can easily lead to operator fatigue, consequently affecting their operational accuracy and efficiency. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a mounting base for turbine guide vanes. In this way, during the installation process, the operator can quickly position the drill bit to the next drilling position without changing the installation tools or readjusting the position of the entire mounting base. This allows for the disassembly of the first outer shell and the bottom-fixed second outer shell, thereby enabling the maintenance and replacement of the drill bit.

[0005] To achieve the above objectives, a mounting base for turbine guide vanes is provided, comprising a first base, a rotating column rotatably connected inside the first base, a limiting component for restricting the movement of the mechanism within a specified range slidably connected inside the first base, a sliding block slidably connected inside the limiting component, a sleeve fixedly connected to one end of the sliding block, and a support column slidably connected inside the sleeve.

[0006] According to the aforementioned mounting base for turbine guide vanes, the limiting component includes a slide rail, the slide rail being externally fixedly connected to the interior of the first base.

[0007] According to the aforementioned mounting base for turbine guide vanes, a first spring is sleeved on the outside of the support column, and a button is fixedly connected to the top of the support column.

[0008] According to the aforementioned mounting base for turbine guide vanes, a fixed column is detachably connected to the bottom of the support column, and a second spring is sleeved on the outside of the fixed column.

[0009] According to the aforementioned mounting base for turbine guide vanes, a drill bit is detachably connected inside the fixing column, and a first outer shell is detachably connected outside the fixing column.

[0010] According to the aforementioned mounting base for turbine guide vanes, a limiting block is fixedly connected to the outside of the first housing, and two locking blocks are slidably connected inside the limiting block.

[0011] According to the aforementioned mounting base for turbine guide vanes, a second outer shell is fixedly connected to the bottom of the first outer shell, and a plurality of sliding columns are slidably connected inside the first base.

[0012] According to the aforementioned mounting base for turbine guide vanes, a second base is slidably connected to the outside of the sliding column, a base is fixedly connected to the bottom of the sliding column, a first limiting hole is provided inside the base, and a plurality of second limiting holes are provided inside the base.

[0013] Beneficial effects:

[0014] 1. Place the turbine in the limiting hole of the base and press the first base to move it on the sliding column. This rotates the column, causing the second base at the bottom to press the outline of the turbine above the base. Drill holes in the turbine using the drill bits on both sides of the rotating column. The rotating column can be rotated so that the drill bits on both sides can move through the sliding block on the slide rail inside the first base. In this way, during the installation process, the operator can quickly position the drill bit to the next drilling position without changing the installation tools or readjusting the position of the entire installation base.

[0015] 2. When drilling occurs and debris is thrown, a second outer shell is installed on the outside of the drill bit. During operation, the second outer shell moves upward due to the compression of the spring, confining the debris inside the second outer shell. This prevents direct injury to the operator from the debris and greatly improves workplace safety. When the drill bit needs maintenance, the locking block can be moved to allow installation and removal inside the limiting block. This allows for the removal of the first outer shell and the bottom-fixed second outer shell, enabling maintenance and replacement of the drill bit.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a perspective view of a mounting base for turbine guide vanes proposed in this utility model;

[0019] Figure 2 This is a schematic diagram of the structure of a rotating column for a mounting base of turbine guide vanes proposed in this utility model;

[0020] Figure 3 This is a schematic diagram of the structure of a button for a mounting base of a steam turbine guide vane proposed in this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of a mounting base for turbine guide vanes proposed in this utility model.

[0022] Legend:

[0023] 1. First base; 2. Sliding column; 3. Second base; 4. Base; 5. First limiting hole; 6. Second limiting hole; 7. Slide rail; 8. Rotating column; 9. Sliding block; 10. Sleeve; 11. Button; 12. Support column; 13. First spring; 14. Fixed column; 15. Second spring; 16. First outer shell; 17. Limiting block; 18. Locking block; 19. Second outer shell; 20. Drill bit. Detailed Implementation

[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0025] Reference Figure 1-4 This utility model discloses a mounting base for turbine guide vanes, comprising a first base 1 for supporting and fixing objects. A rotating column 8 is rotatably connected inside the first base 1. A limiting component for restricting the movement of the mechanism within a specified range is slidably connected inside the first base 1. A sliding block 9 is slidably connected inside the limiting component, allowing free movement on a slide rail. By changing the position of the slider, the position of the adjusted device can be precisely controlled. One end of the sliding block 9 is fixedly connected to a sleeve 10. A support column 12 is slidably connected inside the sleeve 10, making the structure more stable when subjected to forces from different directions and reducing the risk of deformation and damage caused by external forces.

[0026] The limiting assembly includes a slide rail 7, which provides a precise guide path, allowing the slider or other moving parts to move smoothly along a predetermined trajectory. This guiding function is crucial for ensuring the precise position and movement of the mechanical parts. The slide rail 7 is externally fixedly connected to the interior of the first base 1.

[0027] A first spring 13 is sleeved on the outside of the support column 12, and a button 11 is fixedly connected to the top of the support column 12.

[0028] The bottom of the support column 12 is detachably connected to a fixing column 14 for fixing the plate and ensuring the stability and safety of the plate. A second spring 15 is sleeved on the outside of the fixing column 14.

[0029] The fixed post 14 is detachably connected to the drill bit 20 inside, and the fixed post 14 is detachably connected to the first outer shell 16 outside.

[0030] The outer casing 16 is fixedly connected to a limiting block 17, which restricts the movement range of the mechanical parts and ensures that they stop accurately at a predetermined position. The limiting block 17 is internally slidably connected to two locking blocks 18.

[0031] The bottom of the first outer shell 16 is fixedly connected to the second outer shell 19, and the interior of the first base 1 is slidably connected to a plurality of sliding columns 2.

[0032] The sliding column 2 is externally slidably connected to a second base 3, and the bottom of the sliding column 2 is fixedly connected to a base 4. The base 4 has a first limiting hole 5 inside, which is used to limit the movement range of the mechanical parts and ensure that they stop accurately at a predetermined position. This is crucial for ensuring the normal operation and safety of the mechanical equipment. The base 4 also has multiple second limiting holes 6 inside.

[0033] Working principle: The turbine is placed in the first limiting hole 5 of the base 4, and the first base 1 is pressed to move on the sliding column 2. This rotates the column 8, causing the second base 3 at the bottom to compress the outline of the turbine above the base 4. The drill bits 20 on both sides of the rotating column 8 drill holes in the turbine. The rotating column 8 can be rotated to move the drill bits 20 on both sides through the sliding block 9 and the slide rail 7 inside the first base 1. In this way, during the installation process, the operator can quickly position the drill bits 20 to the next drilling position without changing installation tools or readjusting the entire mounting base 1. In the drilling process, when debris is splashed, a second housing 19 is installed outside the drill bit 20. During operation, the second housing 19 can be moved upward by the compression of the second spring 15, which confines the debris inside the second housing 19. This avoids direct injury to the operator from the debris and greatly improves workplace safety. When the drill bit 20 needs maintenance, the locking block 18 can be moved to allow installation and removal inside the limiting block 17. This allows the first housing 16 and the bottom-fixed second housing 19 to be disassembled, thereby enabling maintenance and replacement of the drill bit 20.

[0034] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A mounting base for turbine guide vanes, comprising a first base (1), characterized in that: The first base (1) is rotatably connected to a rotating column (8), and the first base (1) is slidably connected to a limiting component for restricting the movement of the mechanism within a specified range. The limiting component is slidably connected to a sliding block (9), one end of which is fixedly connected to a sleeve (10), and the sleeve (10) is slidably connected to a support column (12).

2. The mounting base for turbine guide vanes according to claim 1, characterized in that, The limiting component includes a slide rail (7), which is externally fixedly connected to the inside of the first base (1).

3. The mounting base for turbine guide vanes according to claim 1, characterized in that, A first spring (13) is sleeved on the outside of the support column (12), and a button (11) is fixedly connected to the top of the support column (12).

4. The mounting base for turbine guide vanes according to claim 1, characterized in that, The bottom of the support column (12) is detachably connected to a fixing column (14), and a second spring (15) is sleeved on the outside of the fixing column (14).

5. A mounting base for turbine guide vanes according to claim 4, characterized in that, The fixed post (14) is detachably connected to a drill bit (20) inside, and a first outer shell (16) is detachably connected to the outside of the fixed post (14).

6. A mounting base for turbine guide vanes according to claim 5, characterized in that, The first outer shell (16) is fixedly connected to a limiting block (17), and the limiting block (17) is internally connected to two locking blocks (18).

7. A mounting base for turbine guide vanes according to claim 5, characterized in that, The bottom of the first outer shell (16) is fixedly connected to the second outer shell (19), and the interior of the first base (1) is slidably connected to a plurality of sliding columns (2).

8. A mounting base for turbine guide vanes according to claim 7, characterized in that, The sliding column (2) is slidably connected to a second base (3), and the bottom of the sliding column (2) is fixedly connected to a base (4). The base (4) has a first limiting hole (5) inside and a plurality of second limiting holes (6) inside.