Crawling ladder device for cooling tower internal maintenance

Abstract

The utility model discloses a kind of ladders for the maintenance of cooling tower inside, including cooling tower wall, second fixed bolt and second ladder and first ladder front side edge insert-fit connection.This one for the maintenance of cooling tower inside ladder device can be extended to the cooling tower filler of cooling tower inside by first ladder and second ladder, maintenance is more comprehensive, and first ladder and second ladder can be stably fixed by second ladder cage, first fixed bolt, second ladder connecting piece, welding groove, installation is stable, reduce risk, and it can be more stable by foot pedal, supporting block Pedestrian, climb more safely, and second ladder cage can bypass cooling tower water collector, avoid to cause slide when climbing transition, and manhole cover plate can be magnetically sealed by sealing groove, magnetic block, sealing ring, avoid pollution, and it can be in and out by manhole auxiliary frame, use more safely.

Description

Technical Field

[0001] This utility model relates to the field of cooling tower technology, specifically to a ladder device for internal maintenance of cooling towers. Background Technology

[0002] Cooling tower equipment is an important component of circulating water systems and is widely used as a cooling device in industrial production, ventilation and air conditioning, electronic component processing and production, and other fields.

[0003] The stable operation of cooling towers is crucial for ensuring the efficient, safe, and economical operation of the entire circulating water system. Daily inspections of cooling towers are essential. By installing maintenance ladders, the internal structure of the cooling tower can be monitored during operation, allowing for timely repairs of any faults. This is a vital means of ensuring the stable operation of the cooling tower.

[0004] Existing cooling tower maintenance ladders are located inside the air duct. When in use, the fan needs to be turned off and the air duct door opened. The ladder can only reach the water collector layer, or temporary maintenance ladders need to be set up for some cooling towers, which increases the workload and poses a high safety risk. Therefore, a ladder device for internal maintenance of cooling towers is needed to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a ladder device for internal maintenance of cooling towers, in order to solve the problems mentioned in the background art, such as cooling tower maintenance ladders being set inside the air duct, requiring the fan to be turned off and the air duct door to be opened during use, the ladders only reaching the water collector layer, or the need to set up temporary maintenance ladders for some cooling towers, which increases the workload and poses a high safety risk.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a ladder device for internal maintenance of a cooling tower, comprising a cooling tower wall, a top plate fixedly connected to the upper end of the cooling tower wall, and a maintenance manhole provided on one edge of the upper end of the top plate; a cooling tower water collector vertically fixedly connected to the middle of the inner side of the cooling tower wall, and cooling tower packing fixedly connected to the lower end of the inner side of the cooling tower wall; a manhole auxiliary frame vertically fixedly connected to the upper edge of the maintenance manhole, and a tilting groove provided on one side of the upper end of the maintenance manhole; a rotating shaft connected to the inner wall of the tilting groove, and a manhole cover plate fixedly connected to one side of the rotating shaft; a handle vertically fixedly connected to the upper end of the manhole cover, and a sealing ring protruding and fixedly connected to the lower edge of the manhole cover; the sealing ring and the sealing groove being opened at the lower edge of the inner wall of the maintenance manhole; magnetic blocks embedded in the inner walls of the sealing groove and the sealing ring; and pre-embedded... A first ladder connector is fixedly connected, and a second ladder connector is attached to one end of the first ladder connector. A first fixing bolt is inserted through the edges of the second ladder connector and the first ladder connector. Welding grooves are opened on the side edges of the second ladder connector and the first ladder connector. The other end of the second ladder connector is fixedly connected to the first ladder and the second ladder respectively. Foot pedals are fixedly connected to the inner sides of the first ladder and the second ladder. A support block is fixedly connected to the lower end of the foot pedal at the connection between the first ladder and the second ladder. A first ladder guard cage is attached to the upper front side of the first ladder, and a second ladder guard cage is attached to the lower front side of the first ladder and the upper front side of the second ladder. Bolt grooves are protruding and fixedly connected to the rear edges of the first ladder guard cage and the second ladder guard cage. A second fixing bolt is inserted through the inner wall of the bolt groove and is inserted into the front edge of the second ladder and the first ladder.

[0007] Preferably, the first ladder and the second ladder are bolted together by the first fixing bolt and the second ladder connector, and both the first ladder connector and the second ladder connector are flange structures. The first ladder connector is welded together with the second ladder connector by a welding groove.

[0008] Preferably, the first ladder is spliced ​​and fixedly connected to the second ladder via a second ladder guard cage, and the position of the second ladder guard cage matches the position of the cooling tower water collector, and the positions of the first ladder and the second ladder match the position of the maintenance manhole.

[0009] Preferably, the manhole auxiliary frame is distributed in a protruding, wrapping position at the upper end of the maintenance manhole, and the manhole auxiliary frame has an opening on one side.

[0010] Preferably, the shape of the manhole cover plate matches the shape of the upper end of the inner wall of the maintenance manhole, and the manhole cover plate is connected to the maintenance manhole in a flip-over connection through a rotating shaft and a flip groove. The manhole cover plate is connected to the maintenance manhole in a snap-fit ​​sealing connection through a sealing groove and a sealing ring, and the manhole cover plate is connected to the maintenance manhole in a magnetic splicing connection through a magnetic block.

[0011] Preferably, the foot pedal is a long strip-shaped structure, and the foot pedal is fixedly connected to the first and second ladders through a support block, wherein the support block is a trapezoidal structure.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: The climbing ladder device for internal maintenance of cooling towers can extend to the cooling tower packing inside the cooling tower through the first and second climbing ladders, making maintenance more comprehensive. Moreover, the first and second climbing ladders can be stably fixed through the second climbing ladder cage, the first fixing bolt, the second climbing ladder connector, and the welding groove, ensuring stable installation and reducing risks. Furthermore, the device can be stepped on using foot pedals and support blocks for added stability and safer climbing. The second climbing ladder cage can bypass the cooling tower water collector, preventing slippage during climbing. The manhole cover can be magnetically sealed using sealing grooves, magnetic blocks, and sealing rings to prevent contamination. Additionally, the manhole auxiliary frame can be used for assistance when entering and exiting, making it safer to use. Attached Figure Description

[0013] Figure 1 This is a perspective view of a ladder device for internal maintenance of a cooling tower according to the present invention. Figure 2 This is a schematic diagram of the internal structure of a ladder device for internal maintenance of a cooling tower according to the present invention. Figure 3 This is a side view of the internal structure of a ladder device for internal maintenance of a cooling tower according to the present invention. Figure 4 This utility model relates to a ladder device for internal maintenance of cooling towers. Figure 2 Enlarged view of point A in the middle; Figure 5 This utility model relates to a ladder device for internal maintenance of cooling towers. Figure 3 Enlarged view at point B in the middle; Figure 6 This utility model relates to a ladder device for internal maintenance of cooling towers. Figure 3 Enlarged view of point C in the middle.

[0014] In the diagram: 1. Cooling tower wall, 2. Top plate, 3. Inspection manhole, 4. First ladder cage, 5. First ladder, 6. First ladder connector, 7. Second ladder, 8. Cooling tower packing, 9. Cooling tower water collector, 10. Manhole auxiliary frame, 11. Handle, 12. Manhole cover, 13. Second ladder cage, 14. Foot pedal, 15. Support block, 16. Rotating shaft, 17. Sealing groove, 18. Magnetic block, 19. Sealing ring, 20. Tilting groove, 21. First fixing bolt, 22. Second ladder connector, 23. Welding groove, 24. Second fixing bolt, 25. Bolt groove. Detailed Implementation

[0015] 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.

[0016] Please see Figure 1-6This utility model provides a technical solution: a ladder device for internal maintenance of a cooling tower, comprising a cooling tower wall 1, a top plate 2, a maintenance manhole 3, a first ladder cage 4, a first ladder 5, a first ladder connector 6, a second ladder 7, cooling tower packing 8, a cooling tower water collector 9, a manhole auxiliary frame 10, a handle 11, a manhole cover 12, a second ladder cage 13, a foot pedal 14, a support block 15, a rotating shaft 16, a sealing groove 17, a magnetic block 18, a sealing ring 19, a flipping groove 20, a first fixing bolt 21, a second ladder connector 22, a welding groove 23, a second fixing bolt 24, and a bolt groove 25. The top plate 2 is fixedly connected to the upper end of the cooling tower wall 1, and a maintenance manhole 3 is provided on one edge of the upper end of the top plate 2. The middle of the inner side of the cooling tower wall 1... A cooling tower water collector 9 is vertically fixedly connected to the cooling tower wall 1, and a cooling tower packing 8 is fixedly connected to the lower inner side of the cooling tower wall 1. A manhole auxiliary frame 10 is vertically fixedly connected to the upper edge of the maintenance manhole 3, and a tilting groove 20 is opened on one side of the upper end of the maintenance manhole 3. The manhole auxiliary frame 10 is distributed in a protruding and wrapping position on the upper end of the maintenance manhole 3, and the manhole auxiliary frame 10 has a one-sided opening structure, which allows the manhole auxiliary frame 10 to facilitate safe entry and exit of the maintenance manhole 3. A rotating shaft 16 is flipped and connected to the inner wall of the tilting groove 20, and a manhole cover 12 is fixedly connected to one side of the rotating shaft 16. The shape of the manhole cover 12 matches the shape of the upper end of the inner wall of the maintenance manhole 3, and the manhole cover 12 is flipped and connected to the maintenance manhole 3 through the rotating shaft 16 and the tilting groove 20. The sealing groove 17 and sealing ring 19 are connected to the maintenance manhole 3 in a snap-fit ​​sealing connection, and the manhole cover 12 is connected to the maintenance manhole 3 in a magnetic splicing connection via magnetic block 18. This allows the manhole cover 12 to be easily and quickly flipped and adjusted, and can be installed in a magnetic snap-fit ​​sealing manner to avoid contamination. A handle 11 is vertically fixedly connected to the upper end of the manhole cover 12, and a sealing ring 19 is fixedly connected to the lower edge of the manhole cover 12. The sealing ring 19 is inserted into the sealing groove 17, and the sealing groove 17 is opened at the lower edge of the inner wall of the maintenance manhole 3. Magnetic blocks 18 are embedded in the inner walls of the sealing groove 17 and the sealing ring 19. The upper and lower ends of the inner side of the cooling tower wall 1 are pre-embedded and fixedly connected to the first ladder connector 6, and a second ladder connector 22 is attached to one end of the first ladder connector 6. The second ladder connector 22 and the first ladder connector 6 are connected by a first fixing bolt 21 through their edges. Welding grooves 23 are formed on the side edges of both the second ladder connector 22 and the first ladder connector 6. The other end of the second ladder connector 22 is fixedly connected to the first ladder 5 and the second ladder 7, respectively. Foot pedals 14 are fixedly connected to the inner sides of the first ladder 5 and the second ladder 7. The foot pedals 14 are long, plate-shaped structures and are fixedly connected to the first ladder 5 and the second ladder 7 via support blocks 15. The support blocks 15 are trapezoidal in shape, allowing for more stable climbing and preventing slippage. The first ladder 5 and the second ladder 7 are bolted together with the first ladder connector 6 via the first fixing bolt 21 and the second ladder connector 22.Furthermore, both the first ladder connector 6 and the second ladder connector 22 are flange structures. The first ladder connector 6 is welded and fixedly connected to the second ladder connector 22 via a welding groove 23. This improves the stability of the installation of the first ladder 5 and the second ladder 7, making them safer to use. The first ladder 5 is spliced ​​and fixedly connected to the second ladder 7 via the second ladder cage 13, and the position of the second ladder cage 13 matches the position of the cooling tower water collector 9. The positions of the first ladder 5 and the second ladder 7 match the position of the maintenance manhole 3, allowing the first ladder 5 and the second ladder 7 to pass through the second ladder. The protective cage 13 is used for transitional climbing to avoid interference from the cooling tower water collector 9. A support block 15 is fixedly connected to the lower end of the footrest 14 at the connection point between it and the first ladder 5 and the second ladder 7. A first ladder protective cage 4 is attached to the upper front side of the first ladder 5, and a second ladder protective cage 13 is attached to the lower front side of the first ladder 5 and the upper front side of the second ladder 7. Bolt grooves 25 are protruding and fixedly connected to the rear edges of the first ladder protective cage 4 and the second ladder protective cage 13. A second fixing bolt 24 is inserted through the inner wall of the bolt groove 25 and is inserted into the front edge of the second ladder 7 and the first ladder 5.

[0017] Working principle: When using this climbing ladder device for internal maintenance of cooling towers, the first climbing ladder 5 and the second climbing ladder 7 of the device are first welded and fixed to the flange of the cooling tower wall 1 through the first climbing ladder connector 6, the first fixing bolt 21, the second climbing ladder connector 22, and the welding groove 23, and then spliced ​​and fixed through the second climbing ladder cage 13. When maintenance is required, it can be opened by flipping the handle 11 and the rotating shaft 16, and then entered through the manhole auxiliary frame 10 and climbed through the foot pedal 14. During the climb, the support block 15 provides additional support. When it is necessary to cross the cooling tower water collector 9, the second climbing ladder cage 13 can be used for transition. After use, the maintenance manhole 3 and the manhole cover 12 can be quickly magnetically fastened and sealed through the sealing groove 17, the magnetic block 18, and the sealing ring 19 to avoid contamination. This is the usage process of this climbing ladder device for internal maintenance of cooling towers.

[0018] It should be noted that this utility model is a ladder device for internal maintenance of cooling towers. All components are standard parts or parts known to those skilled in the art. Its structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. Furthermore, all electrical components mentioned above refer to power components, electrical components, and the matching monitoring computer and power supply connected by wires. The specific connection method should refer to the working principle described above, and the electrical connection between each electrical component should be completed in the order of operation. The detailed connection method is a well-known technology in the field.

[0019] 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 ladder device for internal maintenance of a cooling tower, comprising a cooling tower wall (1), a top plate (2) fixedly connected to the upper end of the cooling tower wall (1), and a maintenance manhole (3) provided on one side edge of the upper end of the top plate (2), a cooling tower water collector (9) vertically fixedly connected to the middle position of the inner side of the cooling tower wall (1), and a cooling tower packing (8) fixedly connected to the lower end of the inner side of the cooling tower wall (1), characterized in that: The upper edge of the maintenance manhole (3) is vertically fixed to a manhole auxiliary frame (10), and a flip groove (20) is provided on one side of the upper end of the maintenance manhole (3). A rotating shaft (16) is flipped and connected to the inner wall of the flip groove (20), and a manhole cover plate (12) is fixedly connected to one side of the rotating shaft (16). A handle (11) is vertically fixed to the upper end of the manhole cover plate (12), and a sealing ring (19) is fixedly connected to the lower edge of the manhole cover plate (12). The sealing ring (19) and the seal The groove (17) is inserted and connected, and the sealing groove (17) is opened at the lower edge of the inner wall of the maintenance manhole (3). The inner wall of the sealing groove (17) and the sealing ring (19) is inlaid with a magnetic block (18). The upper and lower ends of the inner side of the cooling tower wall (1) are pre-embedded and fixedly connected with a first ladder connector (6), and a second ladder connector (22) is attached to one end of the first ladder connector (6). The edges of the second ladder connector (22) and the first ladder connector (6) are inserted and connected with a first fixed... A fixing bolt (21) is used, and welding grooves (23) are provided on the side edges of the second ladder connector (22) and the first ladder connector (6). The other end of the second ladder connector (22) is fixedly connected to the first ladder (5) and the second ladder (7), and foot pedals (14) are fixedly connected to the inner sides of the first ladder (5) and the second ladder (7). A support block (15) is fixedly connected to the lower end of the foot pedal (14) at the connection between it and the first ladder (5) and the second ladder (7). The first ladder (5) The first ladder cage (4) is attached to the upper front side of the first ladder (5) and the second ladder cage (13) is attached to the lower front side of the first ladder (5) and the upper front side of the second ladder (7). The rear edges of the first ladder cage (4) and the second ladder cage (13) are connected by a bolt groove (25), and the inner wall of the bolt groove (25) is connected by a second fixing bolt (24). The second fixing bolt (24) is connected to the front edge of the second ladder (7) and the first ladder (5).

2. The ladder device for internal maintenance of a cooling tower according to claim 1, characterized in that: The first ladder (5) and the second ladder (7) are bolted together with the first ladder connector (6) by the first fixing bolt (21) and the second ladder connector (22). Both the first ladder connector (6) and the second ladder connector (22) are flange structures. The first ladder connector (6) is welded together with the second ladder connector (22) by the welding groove (23).

3. A ladder device for internal maintenance of a cooling tower according to claim 2, characterized in that: The first ladder (5) is spliced ​​and fixedly connected to the second ladder (7) through the second ladder cage (13), and the position of the second ladder cage (13) matches the position of the cooling tower water collector (9). The positions of the first ladder (5) and the second ladder (7) match the position of the maintenance manhole (3).

4. A ladder device for internal maintenance of a cooling tower according to claim 3, characterized in that: The manhole auxiliary frame (10) is distributed in a protruding and wrapped position on the upper end of the maintenance manhole (3), and the manhole auxiliary frame (10) has an opening on one side.

5. A ladder device for internal maintenance of a cooling tower according to claim 4, characterized in that: The shape of the manhole cover (12) matches the shape of the upper end of the inner wall of the maintenance manhole (3), and the manhole cover (12) is connected to the maintenance manhole (3) in a flip-up connection through the rotating shaft (16) and the flip groove (20). The manhole cover (12) is connected to the maintenance manhole (3) in a snap-fit ​​sealing connection through the sealing groove (17) and the sealing ring (19), and the manhole cover (12) is connected to the maintenance manhole (3) in a magnetic splicing connection through the magnetic block (18).

6. A ladder device for internal maintenance of a cooling tower according to claim 5, characterized in that: The foot pedal (14) is a long strip-shaped structure, and the foot pedal (14) is fixedly connected to the first ladder (5) and the second ladder (7) through the support block (15), which is a trapezoidal structure.

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