A coal-fired unit shutdown inspection device
By designing a shutdown inspection device for coal-fired power units, and utilizing the multi-angle adjustment of the main support rod, auxiliary support rod, and camera, the problem of inconvenient inspection caused by the complex structure of coal-fired power units has been solved, and comprehensive equipment status inspection has been achieved.
Patent Information
- Application Number
- CN202521316420.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-25
- Publication Date
- 2026-06-02
- Estimated Expiration
- 2035-06-25
AI Technical Summary
The complex structure and numerous pipelines of coal-fired power units make it inconvenient for manual inspections and difficult to achieve a comprehensive equipment condition check.
Design a shutdown inspection device for coal-fired power units, comprising a main support rod, a secondary support rod, and a camera. The camera can be adjusted at multiple angles and observed from all directions through a rotating joint and a movable connecting block, and remote inspection can be performed in conjunction with a display screen.
It enables efficient and comprehensive inspection of the complex structure of coal-fired power units, improving the thoroughness and efficiency of the inspection work.
Smart Images

Figure CN224315861U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power plant unit inspection technology, specifically a coal-fired unit shutdown inspection device. Background Technology
[0002] A coal-fired power plant unit is a mechanical device that converts the chemical energy of fossil fuels such as coal into electrical energy. It is the core component of a thermal power plant, and through a series of complex physical and chemical processes, it converts the thermal energy of coal into mechanical energy, and ultimately into electrical energy for users.
[0003] As a crucial component of the power system, the safe and stable operation of coal-fired power units directly impacts the reliability and stability of power supply. Therefore, regularly shutting down and maintaining these units for inspection, checking equipment status, and repairing potential faults are key to ensuring their long-term efficient operation. However, during shutdowns and maintenance, personnel typically need to delve into the coal-fired power unit for in-depth inspections. Due to the complex structure, numerous pipelines, and confined spaces within some sections of the unit, manual inspection is often impractical. Therefore, we propose a shutdown inspection device for coal-fired power units to address the aforementioned problems. Utility Model Content
[0004] The purpose of this utility model is to provide a coal-fired power unit shutdown inspection device to solve the problem mentioned in the background art that it is inconvenient to conduct in-depth manual inspections during the shutdown inspection of coal-fired power units.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a coal-fired power unit shutdown inspection device, comprising a device body, a display screen mounted on the top of the device body, a handle fixed to the tail of the device body, a rotating joint mounted on the front end of the device body via a bearing, a main support rod fixed to the outer end of the rotating joint, a movable sleeve and a rotating sleeve sleeved on the main support rod, one end of a main connecting rod movably connected to the outer side of the movable sleeve, the other end of the main connecting rod movably connected to a secondary connecting rod, the secondary connecting rod fixed on a secondary support rod, the secondary support rod movably connected to the outer end of the main support rod via a movable connecting block, a camera mounted on the outer end of the secondary support rod, the camera electrically connected to the display screen via a video cable, the video cable being located inside the main support rod and the secondary support rod.
[0006] Preferably, the main body of the device is equipped with a battery and a power adapter, and the battery is electrically connected to the display screen and camera through the power adapter.
[0007] Preferably, the main support rod forms a rotating structure on the main body of the device through a rotary joint, and the rotation angle range of the rotary joint is 0-360°.
[0008] Preferably, the inner diameter of the movable sleeve is equal to the outer diameter of the main support rod, the movable sleeve and the rotating sleeve are connected by a bearing, and the rotating sleeve and the main support rod are connected by a thread.
[0009] Preferably, the movable connecting block is connected to both the main support rod and the auxiliary support rod via a movable shaft, and the main support rod and the auxiliary support rod are connected by the movable connecting block to form a bent structure.
[0010] Preferably, the secondary connecting rod and the secondary support rod are integrated, and the outer end of the secondary connecting rod extends beyond the end of the secondary support rod.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] (1) The coal-fired unit shutdown inspection device is equipped with a main support rod, a secondary support rod, a camera and a display screen. The camera can be extended into the complex structure of the coal-fired unit through the main connecting rod and the secondary support rod to observe, thereby enabling the rapid completion of inspections of some complex structures of the coal-fired unit and efficient completion of the comprehensive inspection of the coal-fired unit.
[0013] (2) The main connecting rod forms a rotating structure on the main body of the device through a rotating joint, which can rotate and adjust the orientation of the camera. At the same time, the auxiliary support rod and the main support rod are connected through the connection between the main connecting rod and the auxiliary connecting rod to control the folding angle, so as to facilitate all-round control of the orientation of the entire camera, thereby comprehensively observing the situation of the coal-fired unit and ensuring the adequacy of the inspection work. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0015] Figure 2 This is a schematic diagram of the bent state of the secondary support rod of this utility model;
[0016] Figure 3 This is a three-dimensional structural diagram of the present invention;
[0017] Figure 4 This is a schematic diagram of the bent state of the secondary support rod of this utility model;
[0018] Figure 5 This is a cross-sectional view of the rotary joint and movable sleeve of this utility model;
[0019] Figure 6 This is a cross-sectional structural diagram of the connection between the main support rod and the auxiliary support rod of this utility model.
[0020] In the diagram: 1. Main body of the device; 2. Display screen; 3. Handle; 4. Rotary joint; 5. Main support rod; 6. Movable sleeve; 7. Rotary sleeve; 8. Main connecting rod; 9. Secondary connecting rod; 10. Secondary support rod; 11. Movable connecting block; 12. Camera; 13. Video cable. Detailed Implementation
[0021] 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.
[0022] Please see Figure 1-6 This utility model provides a technical solution: a coal-fired unit shutdown inspection device, including a device body 1, a display screen 2 installed on the top of the device body 1, a handle 3 fixed at the tail of the device body 1, and a rotating joint 4 installed at the front end of the device body 1 through a bearing.
[0023] Furthermore, the main body 1 of the device is equipped with a storage battery and a power adapter. The storage battery is electrically connected to the display screen 2 and the camera 12 through the power adapter to ensure the normal working status of the display screen 2 and the camera 12, so as to facilitate the inspection of the coal-fired unit through the display screen 2 and the camera 12.
[0024] The outer end of the rotary joint 4 is fixed with a main support rod 5. A movable sleeve 6 and a rotating sleeve 7 are sleeved on the main support rod 5. One end of the main connecting rod 8 is movably connected to the outside of the movable sleeve 6. The other end of the main connecting rod 8 is movably connected to the auxiliary connecting rod 9. The auxiliary connecting rod 9 is fixed on the auxiliary support rod 10. The auxiliary support rod 10 is movably connected to the outer end of the main support rod 5 through a movable connecting block 11.
[0025] Furthermore, the main support rod 5 forms a rotating structure on the main body 1 of the device through the rotating joint 4. The rotation of the main support rod 5 can realize the rotation of the camera 12 to change the observation angle of the camera 12. The rotation angle range of the rotating joint 4 is 0-360°, ensuring the normal wiring connection of the camera 12.
[0026] Furthermore, the inner diameter of the movable sleeve 6 is equal to the outer diameter of the main support rod 5, ensuring that the movable sleeve 6 moves stably on the main support rod 5. The movable sleeve 6 and the rotating sleeve 7 are connected by a bearing, and the rotating sleeve 7 is connected to the main support rod 5 by a thread. The rotating sleeve 7 can move on the main support rod 5 through the threaded connection, and the movable sleeve 6 will move synchronously.
[0027] A camera 12 is installed on the outer end of the secondary support rod 10. The camera 12 is electrically connected to the display screen 2 via a video cable 13, which is located inside the main support rod 5 and the secondary support rod 10.
[0028] Furthermore, the movable connecting block 11 is connected to both the main support rod 5 and the secondary support rod 10 via movable shafts. The main support rod 5 and the secondary support rod 10 are connected by the movable connecting block 11 to form a bending structure, which allows the camera 12 to change its inspection angle by bending the secondary support rod 10, thereby increasing the inspection range of the camera 12.
[0029] Furthermore, the secondary connecting rod 9 and the secondary support rod 10 are integrated, and the outer end of the secondary connecting rod 9 extends out of the end of the secondary support rod 10. The secondary connecting rod 9 can be used to fold the secondary support rod 10 together, which facilitates the control of the working position of the secondary support rod 10.
[0030] Specifically, when using the coal-fired unit shutdown inspection device, the inspector first holds the handle 3 so that the main support rod 5 and the auxiliary support rod 10 are inserted into the narrow space of the coal-fired unit in a straight position. The camera 12 is inserted into the coal-fired unit, and the structural condition of the coal-fired unit can be displayed on the display screen 2, so that the inspector can carry out the inspection work on the internal structure of the coal-fired unit from the outside.
[0031] When a more comprehensive inspection of the coal-fired unit structure is required, the position of the camera 12 can be adjusted. First, rotate the rotating sleeve 7 on the main support rod 5, so that the rotating sleeve 7 moves outward on the main support rod 5 along with the movable sleeve 6. By moving the position of the movable sleeve 6, the main connecting rod 8 can move against the auxiliary connecting rod 9. The auxiliary connecting rod 9 is fixed on the auxiliary support rod 10. The auxiliary support rod 10 and the main support rod 5 are movably connected by the movable connecting block 11. Therefore, the auxiliary support rod 10 can be bent on the main support rod 5, thereby changing the orientation of the camera 12.
[0032] After the auxiliary support rod 10 is bent, the rotating joint 4 can be rotated so that the camera 12, after changing its orientation, can be adjusted 360°, thereby comprehensively observing the structural condition inside the coal-fired unit and ensuring the adequacy of the inspection work.
[0033] The above describes the usage process of the inspection device. Any content not described in detail in this manual is existing technology known to those skilled in the art.
[0034] 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 shutdown inspection device for a coal-fired power unit, comprising a main body (1), characterized in that: A display screen (2) is installed on the top of the main body (1) of the device, a handle (3) is fixed at the tail of the main body (1), and a rotating joint (4) is installed at the front end of the main body (1) through a bearing; The outer end of the rotary joint (4) is fixed with a main support rod (5). A movable sleeve (6) and a rotating sleeve (7) are sleeved on the main support rod (5). One end of the main connecting rod (8) is movably connected to the outside of the movable sleeve (6). The other end of the main connecting rod (8) is movably connected to the auxiliary connecting rod (9). The auxiliary connecting rod (9) is fixed on the auxiliary support rod (10). The auxiliary support rod (10) is movably connected to the outer end of the main support rod (5) through a movable connecting block (11). A camera (12) is installed on the outer end of the secondary support rod (10). The camera (12) is electrically connected to the display screen (2) via a video cable (13). The video cable (13) is located inside the main support rod (5) and the secondary support rod (10).
2. The coal-fired power unit shutdown inspection device according to claim 1, characterized in that: The main body (1) of the device is equipped with a storage battery and a power adapter. The storage battery is electrically connected to the display screen (2) and the camera (12) through the power adapter.
3. The coal-fired power unit shutdown inspection device according to claim 1, characterized in that: The main support rod (5) forms a rotating structure on the main body (1) of the device through a rotating joint (4), and the rotation angle range of the rotating joint (4) is 0-360°.
4. The coal-fired power unit shutdown inspection device according to claim 1, characterized in that: The inner diameter of the movable sleeve (6) is equal to the outer diameter of the main support rod (5). The movable sleeve (6) and the rotating sleeve (7) are connected by a bearing, and the rotating sleeve (7) and the main support rod (5) are connected by a thread.
5. The coal-fired power unit shutdown inspection device according to claim 1, characterized in that: The movable connecting block (11) is connected to the main support rod (5) and the secondary support rod (10) by a movable shaft. The main support rod (5) and the secondary support rod (10) are connected by the movable connecting block (11) to form a bent structure.
6. The coal-fired power unit shutdown inspection device according to claim 1, characterized in that: The secondary connecting rod (9) and the secondary support rod (10) are integrated, and the outer end of the secondary connecting rod (9) extends out of the end of the secondary support rod (10).