Steam turbine control cabinet capable of being overhauled in unfolded mode

Abstract

The utility model discloses a steam turbine control cabinet of unfolding maintenance relates to steam turbine control cabinet technical field, including cabinet body, cabinet door, mount and electronic component, one side of cabinet body is equipped with the cabinet door that passes through rotating shaft rotation connection, the inside of cabinet body is equipped with the mount, the surface of mount is equipped with the electronic component. According to the steam turbine control cabinet for unfolding maintenance, a driving motor is started, so that a first rotating rod connected with the output end can rotate a second rotating rod through a rotating gear, the second rotating rod and the first rotating rod can rotate a rotating rod through a belt wheel set, and then an access door can be unfolded through a rotating block; and by pinching two pinching plates, a moving block can drive a locking rod to separate a positioning column from a locking plate, so that the heat dissipation net body can be quickly taken out and replaced after being pulled.

Description

Technical Field

[0001] This utility model relates to the field of steam turbine control cabinet technology, specifically a steam turbine control cabinet with an unfoldable maintenance mechanism. Background Technology

[0002] The turbine control cabinet plays a core role in large drum boilers and once-through boiler units. The turbine main control circuit serves as the interface between the load command processing circuit and the DEH system. It receives external load requirement commands and changes the opening of the turbine regulating valve through the DEH system to adapt the steam volume to the unit load command, thus coordinating the energy demand between the turbine and the boiler. In addition to turbine control, the cabinet also has electrical control, power protection, communication and management functions, making it a core component of power equipment.

[0003] However, after prolonged use, most turbine control cabinets require maintenance and repair of their internal electronic components. The narrow interior of typical turbine control cabinets forces operators to extend their entire bodies inside, making operation inconvenient and increasing the risk of scratches from the cabinet or contact with other electronic components that could loosen or short-circuit. This makes maintenance and repair of the turbine control cabinet quite difficult. Utility Model Content

[0004] The purpose of this utility model is to provide a turbine control cabinet with an unfoldable maintenance mechanism to solve the problem mentioned in the background art that turbine control cabinets are not easy to maintain and repair internally.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a turbine control cabinet for unfolding maintenance, comprising a cabinet body, a cabinet door, a mounting frame, and electronic components. A cabinet door is rotatably connected to one side of the cabinet body via a rotating shaft. A mounting frame is located inside the cabinet body, and electronic components are mounted on the surface of the mounting frame. An adjustment box is located at the top of the cabinet body, and symmetrically distributed connecting columns are located at the top of the adjustment box. A drive motor is mounted at the bottom of the adjustment box, and the output end of the drive motor is connected to a first rotating rod via a coupling. A second rotating rod is located inside the adjustment box, near the first rotating rod, and connected via a bearing.

[0006] Preferably, both the second rotating rod and the first rotating rod are provided with rotating gears at their bottom ends, and the two rotating gears are meshed together.

[0007] Preferably, both the first rotating rod and the second rotating rod have a pulley assembly at the end of their surfaces closest to the rotating gear.

[0008] Preferably, the pulley assembly has a rotating rod connected to the cabinet via a bearing on the side away from the first rotating rod and the second rotating rod.

[0009] Preferably, a rotating block is fitted onto the surface of the rotating rod, and a welded inspection door is provided on one side of the rotating block.

[0010] Preferably, the bottom of the inspection door is provided with a heat dissipation mesh body, and the end of the inspection door near the heat dissipation mesh body is provided with symmetrically distributed positioning posts.

[0011] Preferably, the end of the inspection door away from the positioning post is provided with symmetrically distributed locking posts, and the surface of each locking post is provided with symmetrically distributed rubber blocks.

[0012] Preferably, both ends of the heat dissipation mesh body are provided with symmetrically distributed locking plates, and the side of the inspection door near the locking plates is provided with a fixing frame.

[0013] Preferably, the fixed frame has symmetrically distributed movable blocks inside, one end of each movable block has a welded kneading plate, and a limiting spring connects two movable blocks.

[0014] Preferably, the end of the movable block away from the limiting spring is provided with a locking rod that is welded to it, and both ends of the movable block are provided with guide rods that are connected to the inside of the fixed frame.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: The turbine control cabinet with unfoldable maintenance, by starting the drive motor, enables the first rotating rod connected to the output end to rotate the second rotating rod through the rotating gear, so that the second rotating rod and the first rotating rod can rotate the rotating rod through the pulley set, and then the maintenance door can be unfolded through the rotating block, making it convenient for internal maintenance and repair. By pinching the two pinching plates, the moving block can drive the locking rod to separate the positioning column and the locking plate, so that the heat dissipation mesh body can be quickly removed and replaced after being pulled.

[0016] 1. This unfoldable turbine control cabinet addresses the challenge of internal maintenance and repair due to its limited space. By opening the cabinet door and starting the drive motor, the first rotating rod connected to the output end rotates. This causes the rotating gear at the bottom of the first rotating rod to rotate, which in turn rotates another meshing rotating gear. The first rotating rod then synchronously rotates the second rotating rod, which in turn rotates a pulley set on the surface. This pulley set, in turn, rotates a connected rotating rod. The rotating rod, through a rotating block fitted on the surface, rotates the inspection door, allowing it to unfold on both sides of the cabinet for convenient internal maintenance and repair.

[0017] 2. In this unfoldable maintenance turbine control cabinet, the heat dissipation mesh is usually an integrated structure, making it difficult to replace. Over time, damage to the mesh can allow small animals like mice to enter and damage the internal wiring. By pinching two clamping plates, a moving block can be moved, sliding on a guide rod. This movement compresses a limiting spring and moves a locking rod, separating it from the positioning post and locking plate. The heat dissipation mesh can then be pulled to remove the locking plates from the positioning post and locking post, facilitating replacement and making disassembly and replacement of the heat dissipation mesh more convenient. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the three-dimensional cross-sectional structure of this utility model;

[0020] Figure 3 This is a three-dimensional sectional view of the regulating box of this utility model;

[0021] Figure 4 This is a three-dimensional sectional view of the fixing frame of this utility model;

[0022] Figure 5 This is a three-dimensional structural diagram of the locking post of this utility model.

[0023] In the diagram: 1. Cabinet body; 2. Cabinet door; 3. Mounting bracket; 4. Electronic components; 5. Adjustment box; 6. Connecting column; 7. Drive motor; 8. First rotating rod; 9. Second rotating rod; 10. Rotating gear; 11. Pulley assembly; 12. Rotating rod; 13. Rotating block; 14. Inspection door; 15. Heat dissipation mesh body; 16. Positioning column; 17. Locking column; 18. Rubber clip; 19. Locking plate; 20. Fixing frame; 21. Moving block; 22. Kneading plate; 23. Restricting spring; 24. Locking rod; 25. Guide rod. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-3 This utility model provides a technical solution: a turbine control cabinet for unfolding maintenance, including a cabinet body 1, a cabinet door 2, a mounting frame 3, and electronic components 4. The cabinet body 1 has a cabinet door 2 rotatably connected to one side via a rotating shaft. The mounting frame 3 is located inside the cabinet body 1, and electronic components 4 are mounted on the surface of the mounting frame 3. An adjustment box 5 is located at the top of the cabinet body 1, and symmetrically distributed connecting columns 6 are located at the top of the adjustment box 5. A drive motor 7 is mounted at the bottom of the adjustment box 5, and the output end of the drive motor 7 is connected to a first rotating rod 8 via a coupling. The interior of the adjustment box 5 is near... A second rotating rod 9 is provided on the side near the first rotating rod 8, connected by a bearing. Both the bottom ends of the second rotating rod 9 and the first rotating rod 8 are provided with rotating gears 10, which are meshed together. Both the first rotating rod 8 and the second rotating rod 9 are provided with pulley sets 11 at the ends near the rotating gears 10. The side of the pulley sets 11 away from the first rotating rod 8 and the second rotating rod 9 is connected to a rotating rod 12 connected to the cabinet 1 by a bearing. A rotating block 13 is sleeved on the surface of the rotating rod 12, and a maintenance door 14 is welded to one side of the rotating block 13.

[0026] In practice,

[0027] See Figures 1-3It is known that when the turbine control cabinet is being maintained and repaired, the limited internal space often makes it difficult to perform maintenance and repairs. However, by opening the cabinet door 2 and starting the drive motor 7, the drive motor 7 can rotate the first rotating rod 8 connected to its output end. This causes the rotating gear 10 at the bottom of the first rotating rod 8 to rotate, which in turn rotates the other meshing rotating gear 10. This allows the first rotating rod 8 to rotate synchronously with the second rotating rod 9. Since the two rotating gears 10 rotate in opposite directions, the first rotating rod 8 and the second rotating rod 9 also rotate in opposite directions. Furthermore, the rotation of the second rotating rod 9 and the first rotating rod 8 rotates the pulley assembly 11 on its surface. This pulley assembly 11, in turn, rotates the connected rotating rod 12. The rotating rod 12, in turn, rotates the inspection door 14 via the rotating block 13 fitted on its surface. This allows the inspection door 14 to open on both sides of the cabinet 1, facilitating maintenance and repairs inside the turbine control cabinet.

[0028] The bottom end of the inspection door 14 is provided with a heat dissipation mesh body 15. The end of the inspection door 14 near the heat dissipation mesh body 15 is provided with symmetrically distributed positioning posts 16. The end of the inspection door 14 away from the positioning posts 16 is provided with symmetrically distributed locking posts 17. The surface of each locking post 17 is provided with symmetrically distributed rubber clips 18. Both ends of the heat dissipation mesh body 15 are provided with symmetrically distributed locking plates 19. The side of the inspection door 14 near the locking plates 19 is provided with a fixed frame 20. The inside of the fixed frame 20 is provided with symmetrically distributed moving blocks 21. One end of each moving block 21 is provided with a welded pinch plate 22. A limiting spring 23 is connected between two moving blocks 21. The end of each moving block 21 away from the limiting spring 23 is provided with a welded locking rod 24. Both ends of each moving block 21 are provided with guide rods 25 that are connected to the inside of the fixed frame 20.

[0029] In practice,

[0030] See Figure 1 , Figure 2 and Figure 5It is known that when the turbine control cabinet is in use, the heat dissipation mesh is usually an integrated structure, making it difficult to replace. As a result, after prolonged use, damage to the heat dissipation mesh can easily allow small animals such as rats to enter the turbine control cabinet through the damaged areas, potentially causing damage to the internal wiring. By pinching the two pinching plates 22, the connected moving block 21 can be moved, allowing the moving block 21 to slide on the surface of the guide rod 25. Simultaneously, the moving block 21 compresses the connected limiting spring 23 during its movement, and after moving, it also moves the connected locking rod 24, allowing the locking rod 24 to... After the movement, the heat dissipation mesh body 15 can be separated from the positioning post 16 and the locking plate 19. Then, the heat dissipation mesh body 15 can be pulled so that the locking plates 19 at both ends of the heat dissipation mesh body 15 can be removed from the surface of the positioning post 16 and the locking post 17, thus facilitating the replacement of the heat dissipation mesh body 15. Conversely, after replacing the heat dissipation mesh body 15 with a new one, the rubber clips 18 on the surface of the locking post 17 can engage with the bottom end, thereby loosening the pinch plate 22. This causes the unrestricted limiting spring 23 to reset and move the moving block 21, so that the locking rod 24 can re-lock and restrict the positioning post 16 and the locking plate 19, making it more convenient to disassemble and replace the heat dissipation mesh in the turbine control cabinet.

[0031] In summary, the turbine control cabinet plays a core role in large steam drum boilers and DC boiler units. By starting the drive motor 7, the drive motor 7 can rotate the first rotating rod 8 connected to the output end, so that the rotating gear 10 at the bottom of the first rotating rod 8 can rotate, thereby rotating the other rotating gear 10 that is meshed with it. When the first rotating rod 8 rotates, it can synchronously rotate the second rotating rod 9. When the second rotating rod 9 and the first rotating rod 8 rotate, they can rotate the pulley group 11 on the surface, so that when the pulley group 11 rotates, it can rotate the connected rotating rod 12. When the rotating rod 12 rotates, it can rotate the inspection door 14 through the rotating block 13 sleeved on the surface, so that the inspection door 14 can be opened on both sides of the cabinet 1, thereby facilitating maintenance and repair inside the turbine control cabinet. The contents not described in detail in this description are existing technologies known to those skilled in the art.

[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A turbine control cabinet for unfolding maintenance, comprising a cabinet body (1), a cabinet door (2), a mounting bracket (3), and electronic components (4), characterized in that: The cabinet (1) has a cabinet door (2) connected by a rotating shaft on one side. The cabinet (1) has an installation frame (3) inside. Electronic components (4) are installed on the surface of the installation frame (3). The cabinet (1) has an adjustment box (5) at the top. The adjustment box (5) has symmetrically distributed connecting columns (6) at the top. The adjustment box (5) has a drive motor (7) at the bottom. The output end of the drive motor (7) is connected to a first rotating rod (8) through a coupling. The adjustment box (5) has a second rotating rod (9) connected by a bearing on the side near the first rotating rod (8).

2. A control cabinet for a steam turbine for field service according to claim 1, characterized in that Both the second rotating rod (9) and the first rotating rod (8) are provided with rotating gears (10) at their bottom ends, and the two rotating gears (10) are meshed together.

3. A control cabinet for a steam turbine for field service according to claim 2, characterized in that: Both the first rotating rod (8) and the second rotating rod (9) have a pulley assembly (11) at the end of their surfaces near the rotating gear (10).

4. A control cabinet for a steam turbine that is designed for field erection, according to claim 3, characterized in that: The pulley assembly (11) is connected to a rotating rod (12) on the side away from the first rotating rod (8) and the second rotating rod (9) via a bearing.

5. A control cabinet for a steam turbine that is designed for field erection, according to claim 4, characterized in that: The rotating rod (12) is fitted with a rotating block (13), and a maintenance door (14) is welded to one side of the rotating block (13).

6. A control cabinet for a steam turbine for field service according to claim 5, characterized in that: The bottom end of the inspection door (14) is provided with a heat dissipation mesh body (15), and the end of the inspection door (14) near the heat dissipation mesh body (15) is provided with symmetrically distributed positioning posts (16).

7. A control cabinet for a steam turbine for field service according to claim 6, characterized in that The inspection door (14) is provided with symmetrically distributed locking pins (17) at the end away from the positioning pin (16), and the surface of each locking pin (17) is provided with symmetrically distributed rubber blocks (18).

8. A control cabinet for a steam turbine for field service according to claim 6, characterized in that: Both ends of the heat dissipation mesh body (15) are provided with symmetrically distributed locking plates (19), and the inspection door (14) is provided with a fixing frame (20) on the side near the locking plates (19).

9. A control cabinet for a steam turbine that is designed for field erection, according to claim 8, characterized in that: The fixed frame (20) is provided with symmetrically distributed movable blocks (21), one end of each movable block (21) is provided with a welded kneading plate (22), and a limiting spring (23) is connected between two movable blocks (21).

10. A turbine control cabinet for unfolding maintenance according to claim 9, characterized in that: The movable block (21) is provided with a locking rod (24) welded to one end away from the limiting spring (23), and guide rods (25) connected to the inside of the fixed frame (20) are passed through both ends of the movable block (21).

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