Special device for hoisting speed reducer of cooling tower

Abstract

The utility model discloses a special device for hoisting a cooling tower speed reducer, which belongs to the cooling tower speed reducer and comprises a speed reducer and a hoisting component detachably connected with the top of the speed reducer, the hoisting component comprises a hoisting plate and a lifting lug piece mounted at the center of the upper end of the hoisting plate, and a connecting hole corresponding to the speed reducer is arranged on the hoisting plate. The hoisting plate is connected with the speed reducer through a mounting bolt, and the mounting bolt penetrates through the hoisting plate to be connected with the speed reducer. Corresponding hole positions are formed in the positions, corresponding to the bolt holes of the speed reducer, of the two sides of the hoisting plate at intervals and used for being accurately connected with the speed reducer, the speed reducer and the hoisting assembly can be conveniently and rapidly disassembled, the operation efficiency is improved, the hole positions in the two sides of the hoisting plate are fixedly connected with the bolt holes of the speed reducer through installation bolts, and stable and accurate hoisting connectors are formed.

Description

Technical Field

[0001] This utility model belongs to the technical field of cooling tower speed reducers, specifically relating to a special device for hoisting cooling tower speed reducers. Background Technology

[0002] In modern industry, cooling systems are crucial for ensuring the efficient and stable operation of various industrial equipment and refrigeration systems, and their importance is self-evident. Small cooling towers, as an important component of cooling systems, provide indispensable cooling support for industrial production through effective heat dissipation mechanisms. However, the installation and maintenance of cooling towers, especially the hoisting of their core components—motors and reducers—has long been a challenge for operators.

[0003] As the core drive components of a cooling tower, the motor and reducer are quite heavy, which not only increases the complexity of the hoisting operation but also significantly increases the time required for the entire process. Traditional hoisting methods typically involve the following steps: First, transporting the heavy motor and reducer components into the cooling tower; then, using simple hoisting tools such as manual hoists, a laborious lifting operation is carried out from below the cooling tower's air duct until the components are close to the air duct opening; finally, relying on manual labor, these heavy components are lifted and placed onto the motor frame. This series of cumbersome steps not only greatly reduces work efficiency but also places extremely high demands on the physical strength and professional skills of the operators. More seriously, due to the limitations of the working environment and the inadequacy of traditional hoisting methods, there is a risk of equipment damage and personnel injury throughout the process.

[0004] Especially during the operation and maintenance phase of cooling towers, traditional hoisting methods often face greater challenges when the motor and reducer need to be repaired or replaced. The complexity of the internal structure of the cooling tower and the limited working space make it difficult to implement traditional hoisting tools and methods, which undoubtedly increases the difficulty and cost of maintenance work. Furthermore, when attempting to use heavy hoisting equipment such as cranes, the lack of a fixed hoisting point for the reducer becomes a problem. Reducer design often focuses on transmission efficiency and structural compactness, neglecting the needs of hoisting operations. This results in a lack of suitable hoisting points when using cranes, further increasing the difficulty and risk of hoisting operations.

[0005] In view of this, the inventors conducted in-depth research on how to provide a dedicated lifting device for speed reducers that is structurally reasonable, easy to operate, stable and efficient, which led to this case. Utility Model Content

[0006] To overcome the problems of inconvenience in hoisting cooling tower speed reducers and safety hazards in existing hoisting methods, this utility model provides a special hoisting device for cooling tower speed reducers. The device includes a speed reducer and a hoisting assembly detachably connected to the top of the speed reducer. The hoisting assembly includes a hoisting plate and a lifting lug installed at the center of the upper end of the hoisting plate. The hoisting plate has a connection hole corresponding to the speed reducer. The hoisting plate is connected to the speed reducer by mounting bolts, which pass through the hoisting plate and are connected to the speed reducer.

[0007] Through the above technical solution, corresponding holes are made on both sides of the lifting plate at the positions and spacing of the reducer bolt holes for precise connection with the reducer, realizing convenient disassembly of the reducer and the lifting components, improving work efficiency, and facilitating subsequent maintenance and management; at the same time, lifting lugs are welded at the center of the lifting plate for connecting lifting ropes or hooks to bear the entire load during the lifting process; the holes on both sides of the lifting plate are fastened to the reducer bolt holes by mounting bolts to form a stable and accurate lifting interface.

[0008] Furthermore, the lifting lug includes an annular connecting ring fixedly connected to the lifting plate. A rotating disk is rotatably embedded inside the connecting ring. A lifting plate is fixedly provided at the upper end of the rotating disk through a first connecting rod. The two ends of the first connecting rod are fixedly connected to the rotating disk and the lifting plate, respectively. A receiving plate is connected at the upper end of the lifting plate through several equally spaced second connecting rods. A lifting ring is fixedly provided in the middle of the receiving plate.

[0009] The above technical solution involves welding a connecting ring onto the lifting plate and embedding a rotating disk within the connecting ring. A lifting plate and a receiving plate are then placed above the rotating disk. The rotation design of the connecting ring and the embedded rotating disk during the lifting process enhances the stability of the lifting operation, effectively avoids safety hazards caused by swaying or tilting, and improves the safety and reliability of the lifting operation.

[0010] Furthermore, one end of the second connecting rod is fixedly connected to an inverted U-shaped connecting seat, and the other end is provided with a connecting ring. A U-shaped clamping block is snapped into the edge of the lifting plate. A connecting hole is provided at the upper end of the clamping block away from the center of the lifting plate. A rotating screw is movably arranged in the connecting hole. Both free ends of the rotating screw are fixedly connected to the inverted U-shaped connecting seat.

[0011] Through the above technical solution, clamping blocks are set at the edge of the lifting plate and tightly connected to the connecting seat at the end of the second connecting rod to form a stable frame structure. This not only enhances the load-bearing capacity of the lifting lugs, but also effectively prevents the components from loosening or falling off during the lifting process, ensuring the stability and safety of the lifting operation.

[0012] Furthermore, the receiving plate is provided with an outward-facing U-shaped connecting groove at the edge corresponding to the clamping block. Auxiliary plates extend outward from both opening ends of the connecting groove. Fixing holes are provided in the middle of the auxiliary plates. Fixing bolts are mounted through the two fixing holes. The connecting ring is sleeved on the middle of the outer side of the fixing bolt.

[0013] Through the above technical solution, the combination of the U-shaped connecting groove and the fixing bolt design ensures the connection between the second connecting rod and the auxiliary plate, effectively preventing swaying and displacement during the hoisting process, and improving the stability and safety of the overall structure.

[0014] Furthermore, a locking hole is provided at the center of any end face of the clamping block, and a locking screw is provided in the locking hole. The locking screw passes through the locking hole and abuts against the lifting plate. The locking hole and the locking screw are threadedly connected.

[0015] The above technical solution, with its locking screw design on the clamping block, ensures a tight fit between the clamping block and the lifting plate, effectively preventing safety hazards caused by shaking during lifting and improving the overall safety and reliability of the lifting operation.

[0016] Furthermore, the receiving plate has a through hole in the middle, and the lifting ring has a lifting hole. The lifting ring is fixed to the receiving plate by a fixing pin, and the fixing pin passes through the through hole and the lifting hole from top to bottom.

[0017] Through the above technical solution, the fixed pin design ensures a stable connection between the lifting ring and the receiving plate, which not only improves the overall stability during the lifting process, but also effectively prevents safety accidents caused by the lifting ring falling off.

[0018] Furthermore, a plurality of reinforcing plates are fixedly arranged radially and equidistantly around the connecting ring on the upper surface of the hoisting plate, and the reinforcing plates are welded and fixed to the hoisting plate.

[0019] Furthermore, the upper end of the reducer is provided with a housing cover, the housing cover is fixedly connected to the reducer, and a mounting hole is provided at the edge of the housing cover. The connecting hole is provided corresponding to the mounting hole, and the mounting bolt passes through the connecting hole and the mounting hole in sequence for fixing.

[0020] Through the above technical solution, the connection hole design allows the device to be adapted to different models of reducers, achieving precise installation and connection. This not only improves the versatility and flexibility of hoisting operations but also reduces the company's operating costs and maintenance difficulties.

[0021] Furthermore, the hoisting plate is made of a high-strength lightweight material, which includes any one of aluminum alloy, titanium alloy, or high-strength composite materials.

[0022] By employing the aforementioned technical solutions, high-strength, lightweight materials are used to replace traditional steel, or material usage is reduced through optimized structural design, such as using hollow cross-sections or thin-walled structures. This effectively reduces the weight of the equipment while ensuring strength and stability. Lightweight design helps reduce energy consumption during hoisting, improves operational flexibility, and lowers the requirements for hoisting equipment.

[0023] The beneficial effects of adopting the technical solution of this utility model are as follows:

[0024] (1) Corresponding holes are made on both sides of the lifting plate at the positions and spacing of the reducer bolt holes for precise connection with the reducer, so as to facilitate the easy disassembly of the reducer and the lifting components, improve work efficiency, and facilitate subsequent maintenance and management; at the same time, lifting lugs are welded at the center of the lifting plate for connecting the lifting rope or hook connection to bear the entire load during the lifting process; the holes of the lifting plate are fastened to the reducer bolt holes by the installation bolts to form a stable and accurate lifting interface.

[0025] (2) Improved the stability and accuracy of hoisting operations and avoided the safety hazards of traditional binding methods. It simplified the hoisting process, shortened the operation time, reduced the labor intensity of personnel, facilitated the disassembly and maintenance of the reducer, reduced maintenance costs, and the device has a compact structure, high strength and strong load-bearing capacity, which can adapt to various hoisting environments. Through lightweight design and adjustable hoisting interface, the flexibility and adaptability of the device are improved.

[0026] (3) The device must be precisely aligned with the lifting point of the reducer to ensure the stability and accuracy of the lifting process; at the same time, it must also have sufficient load-bearing capacity and adaptability to accommodate reducers of different models and sizes. The device solves the problem of the reducer having no fixed lifting point, can adapt to the complex working environment inside the cooling tower, reduces the difficulty and risk of lifting operations, improves work efficiency and safety, and provides a more reliable guarantee for the installation and maintenance of the cooling tower. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0028] Figure 1 This is a structural schematic diagram of a special hoisting device for cooling tower reducers according to this utility model;

[0029] Figure 2This is a structural schematic diagram of a special device for hoisting a cooling tower reducer according to this utility model from another angle;

[0030] Figure 3 This is a side view of the present invention;

[0031] Figure 4 This is a cross-sectional view of the present invention;

[0032] In the diagram, 1. Lifting plate; 2. Lifting lug; 3. Connecting hole; 4. Connecting ring; 5. Rotating disc; 6. First connecting rod; 7. Lifting plate; 8. Second connecting rod; 9. Support plate; 10. Lifting ring; 11. Inverted U-shaped connecting seat; 12. Clamping block; 13. Rotating screw; 14. U-shaped connecting groove; 15. Auxiliary plate; 16. Fixing bolt; 17. Locking screw; 18. Fixing pin; 19. Reinforcing plate. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to represent selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0034] In this embodiment, corresponding holes are made on both sides of the lifting plate at the positions and spacing of the reducer bolt holes for precise connection with the reducer. This allows for easy disassembly of the reducer and the lifting assembly, improving work efficiency and facilitating subsequent maintenance and management. Simultaneously, lifting lugs are welded to the center of the lifting plate for connecting lifting ropes or hooks to bear the entire load during lifting. The holes on the lifting plate are then securely connected to the reducer bolt holes using mounting bolts, forming a stable and accurate lifting interface. The specific implementation method is as follows:

[0035] like Figure 1-4 As shown, a special device for hoisting a cooling tower reducer includes a reducer and a hoisting assembly detachably connected to the top of the reducer. The hoisting assembly includes a hoisting plate 1 and a lifting lug 2 installed at the center of the upper end of the hoisting plate 1. The hoisting plate 1 is provided with a connection hole 3 corresponding to the reducer. The hoisting plate 1 and the reducer are connected by mounting bolts, which pass through the hoisting plate 1 and are connected to the reducer.

[0036] Here, corresponding holes are made on both sides of the lifting plate 1 at the positions and spacing of the reducer bolt holes for precise connection with the reducer, enabling easy disassembly of the reducer and the lifting components, improving work efficiency, and facilitating subsequent maintenance and management; at the same time, a lifting lug 2 is welded at the center of the lifting plate 1 for connecting the lifting rope or hook to bear the entire load during the lifting process; the holes of the lifting plate 1 are fastened to the reducer bolt holes by mounting bolts to form a stable and accurate lifting interface.

[0037] In a preferred embodiment, the lifting lug 2 includes an annular connecting ring 4 fixedly connected to the lifting plate 1. A rotating disk 5 is rotatably embedded inside the connecting ring 4. A lifting plate 7 is fixedly mounted on the upper end of the rotating disk 5 via a first connecting rod 6. The two ends of the first connecting rod 6 are fixedly connected to the rotating disk 5 and the lifting plate 7, respectively. A receiving plate 9 is connected to the upper end of the lifting plate 7 via several equally spaced second connecting rods 8. A lifting ring 10 is fixedly mounted in the middle of the receiving plate 9.

[0038] Here, a connecting ring 4 is welded onto the lifting plate 1, and a rotating disk 5 is embedded in the connecting ring. A lifting plate 7 and a receiving plate 9 are set above the rotating disk 5. The rotation design of the connecting ring 4 and the embedded rotating disk 5 during the lifting process enhances the lifting stability, effectively avoids safety hazards caused by shaking or tilting, and improves the safety and reliability of the lifting operation.

[0039] In a preferred embodiment, one end of the second connecting rod 8 is fixedly connected to an inverted U-shaped connecting seat 11, and the other end of the second connecting rod 8 is provided with a connecting ring. A U-shaped clamping block 12 is snapped into the edge of the lifting plate 7. The clamping block 12 is provided with a connecting hole 3 at the edge of the upper end of the lifting plate 7 away from the center of the lifting plate 7. A rotating screw 13 is movably arranged in the connecting hole 3. Both free ends of the rotating screw 13 are fixedly connected to the inverted U-shaped connecting seat 11.

[0040] Here, a clamping block 12 is set at the edge of the lifting plate 7 and tightly connected to the connecting seat at the end of the second connecting rod 8 to form a stable frame structure. This not only enhances the load-bearing capacity of the lifting lug 2, but also effectively prevents the parts from loosening or falling off during the lifting process, ensuring the stability and safety of the lifting operation.

[0041] As a preferred embodiment, the edge of the receiving plate 9 is provided with an outward-facing U-shaped connecting groove 14 corresponding to the clamping block 12. Both opening ends of the connecting groove extend outward with auxiliary plates 15. Each auxiliary plate 15 has a fixing hole in the middle. A fixing bolt 16 is mounted through the two fixing holes. A connecting ring is sleeved on the middle of the outer side of the fixing bolt 16.

[0042] Here, the U-shaped connecting groove 14 and the fixing bolt 16 are designed to ensure the connection between the second connecting rod 8 and the auxiliary plate 15, effectively preventing swaying and displacement during hoisting and improving the stability and safety of the overall structure.

[0043] In a preferred embodiment, a locking hole is provided in the middle of any end face of the clamping block 12, and a locking screw 17 is provided in the locking hole. The locking screw 17 passes through the locking hole and abuts against the lifting plate 7. The locking hole and the locking screw 17 are threadedly connected.

[0044] Here, the locking screw 17 on the clamping block 12 is designed to ensure a tight fit between the clamping block 12 and the lifting plate 7, effectively preventing safety hazards caused by shaking during the lifting process and improving the overall safety and reliability of the lifting operation.

[0045] In a preferred embodiment, the receiving plate 9 has a through hole in the middle and the lifting ring 10 has a lifting hole. The lifting ring 10 is fixed to the receiving plate 9 by a fixing pin 18, which passes through the through hole and the lifting hole from top to bottom.

[0046] Here, the design of the fixing pin 18 ensures a stable connection between the lifting ring 10 and the receiving plate 9, which not only improves the overall stability during the lifting process, but also effectively prevents safety accidents caused by the lifting ring 10 falling off.

[0047] In a preferred embodiment, a plurality of reinforcing plates 19 are fixedly arranged radially and equidistantly around the connecting ring 4 on the upper surface of the lifting plate 1, and the reinforcing plates 19 are welded and fixed to the lifting plate 1.

[0048] Here, the strength and load-bearing capacity of the lifting plate 1 are significantly enhanced, the overall durability of the device structure is improved, and the stability and safety of the lifting operation in harsh environments are ensured.

[0049] In a preferred embodiment, the upper end of the reducer is provided with a housing cover, which is fixedly connected to the reducer. The housing cover has mounting holes on its edge, and the connecting hole 3 is provided corresponding to the mounting hole. The mounting bolts pass through the connecting hole 3 and the mounting hole in sequence for fixing.

[0050] Here, the connection hole 3 allows the device to be adapted to different models of reducers, achieving precise installation and connection. This not only improves the versatility and flexibility of hoisting operations, but also reduces the company's operating costs and maintenance difficulties.

[0051] As a preferred embodiment, the lifting plate 1 is made of a high-strength lightweight material, which includes any one of aluminum alloy, titanium alloy or high-strength composite material.

[0052] Here, high-strength, lightweight materials are used to replace traditional steel, or the amount of material used is reduced through optimized structural design, such as using hollow cross-sections and thin-walled structures. This effectively reduces the weight of the equipment while ensuring strength and stability. Lightweight design helps reduce energy consumption during hoisting, improves operational flexibility, and lowers the requirements for hoisting equipment.

[0053] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A special device for hoisting a cooling tower speed reducer, characterized in that, The device includes a speed reducer and a lifting assembly detachably connected to the top of the speed reducer. The lifting assembly includes a lifting plate (1) and a lifting lug (2) installed at the center of the upper end of the lifting plate (1). The lifting plate (1) has a connection hole (3) corresponding to the speed reducer. The lifting plate (1) is connected to the speed reducer by mounting bolts. The mounting bolts pass through the lifting plate (1) and are connected to the speed reducer. The lifting lug (2) includes an annular connecting ring (4) fixedly connected to the lifting plate (1). A rotating disk (5) is rotatably embedded inside the connecting ring (4). A lifting plate (7) is fixedly provided at the upper end of the rotating disk (5) through a first connecting rod (6). The two ends of the first connecting rod (6) are fixedly connected to the rotating disk (5) and the lifting plate (7) respectively. A receiving plate (9) is connected at the upper end of the lifting plate (7) through a plurality of second connecting rods (8) distributed at a plurality of equal intervals. A lifting ring (10) is fixedly provided in the middle of the receiving plate (9).

2. A special device for hoisting a cooling tower speed reducer according to claim 1, characterized in that, One end of the second connecting rod (8) is fixedly connected to an inverted U-shaped connecting seat (11), and the other end is provided with a connecting ring. A U-shaped clamping block (12) is snapped into the edge of the lifting plate (7). A connecting hole (3) is opened on the edge of the clamping block (12) away from the center of the lifting plate (7). A rotating screw (13) is movably arranged in the connecting hole (3). The two free ends of the rotating screw (13) are fixedly connected to the inverted U-shaped connecting seat (11).

3. A special device for hoisting a cooling tower speed reducer according to claim 2, characterized in that, The receiving plate (9) is provided with an outward-facing U-shaped connecting groove (14) at the edge corresponding to the clamping block (12). The two opening ends of the connecting groove are extended outward with auxiliary plates (15). The middle of the auxiliary plates (15) is provided with fixing holes. Fixing bolts (16) are mounted through the two fixing holes. The connecting ring is sleeved on the middle of the outer side of the fixing bolts (16).

4. A special device for hoisting a cooling tower speed reducer according to claim 2, characterized in that, A locking hole is provided in the middle of any end face of the clamping block (12), and a locking screw (17) is provided in the locking hole. The locking screw (17) passes through the locking hole and abuts against the lifting plate (7). The locking hole is threadedly connected to the locking screw (17).

5. A special device for hoisting a cooling tower speed reducer according to claim 1, characterized in that, The receiving plate (9) has a through hole in the middle, and the lifting ring (10) has a lifting hole. The lifting ring (10) is fixed to the receiving plate (9) by a fixing pin (18). The fixing pin (18) passes through the through hole and the lifting hole from top to bottom.

6. A special device for hoisting a cooling tower speed reducer according to claim 1, characterized in that, The upper end of the hoisting plate (1) is provided with several reinforcing plates (19) that are equidistantly arranged radially around the connecting ring (4), and the reinforcing plates (19) are welded and fixed to the hoisting plate (1).

7. A special device for hoisting a cooling tower speed reducer according to claim 1, characterized in that, The reducer is provided with a housing cover at the upper end, the housing cover is fixedly connected to the reducer, and an installation hole is provided at the edge of the housing cover. The connection hole (3) is provided corresponding to the installation hole, and the installation bolt passes through the connection hole (3) and the installation hole in sequence for fixing.

8. A special device for hoisting a cooling tower speed reducer according to claim 1, characterized in that, The hoisting plate (1) is made of high-strength lightweight material, which includes any one of aluminum alloy, titanium alloy or high-strength composite material.

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