Cooling fan special for wind power equipment
Technical Field
The utility model relates to the technical field of wind power generation, in particular to a special cooling fan for wind power equipment.
Background
Along with the development of wind generating sets towards high power and high density, the heat dissipation requirements of internal key components such as a converter, a gear box, a generator and the like are increasingly severe, a special cooling fan for wind power equipment is used as a core heat management device, the running efficiency and reliability of the sets are directly affected, a forced air cooling technology is mostly adopted in the traditional cooling scheme, and air flow is driven by an axial flow or centrifugal fan to rapidly discharge heat accumulated in the equipment. However, under complex working conditions such as high salt mist at sea and high dust in desert, the cooling fan not only needs to meet the high-efficiency heat dissipation requirement, but also needs to meet engineering requirements such as installation convenience and maintenance adaptability.
At present, a wind power cooling fan is generally fixed on an equipment rack in a bolt fastening or welding mode. The screw connection is matched with the flange plate through pre-drilling holes, the screw pair is utilized to generate clamping force to realize rigid fixation, and the welding is used for directly welding the fan frame and the supporting structure to form a non-detachable whole.
The existing fixing mode has the obvious defects of complex disassembly and assembly procedures and poor maintenance adaptability, and by taking the bolt connection as an example, when the cooling fan is replaced or overhauled, a special tool is needed to be used for disassembling bolts one by one, and the operation in a narrow cabin space is very inconvenient, and more serious, long-term vibration can cause the screw thread pair to be snapped, even the screw bolt is broken, so that the problem of disassembly difficulty is further increased, and therefore, the special cooling fan for the wind power equipment is provided for solving the problem.
Disclosure of utility model
In order to make up for the defects, the utility model provides a special cooling fan for wind power equipment, and aims to solve the problem that the cooling fan is difficult to detach when being mounted on the wind power equipment in the prior art.
In order to achieve the purpose, the special cooling fan for the wind power equipment comprises a base, wherein the top of the base is fixedly connected with a generator, the output end of the generator is fixedly connected with a transmission shaft, the outer wall of the transmission shaft is fixedly connected with blades, the side wall of the generator is fixedly connected with a fixed block, the side wall of the fixed block is fixedly connected with a fixed frame, and a fixed assembly is arranged inside the fixed frame;
The fixed subassembly includes the clamp splice, the clamp splice rotates to be connected inside the fixed frame, clamp splice lateral wall fixedly connected with draws the frame, the inside spring one that is provided with of fixed frame, spring one end fixed connection is in the clamp splice outer wall, spring one other end fixed connection is in inside the fixed frame, the inside cooling machine that is provided with of clamp splice, the cooling machine with the clamp splice looks block, cooling machine one side fixedly connected with hollow frame, hollow frame inside is provided with filtering component.
As a further description of the technical scheme, the filter assembly comprises a sliding frame and a filter screen, wherein the sliding frame is connected inside the hollow frame in a sliding manner, and the filter screen is arranged inside the sliding frame.
As further description of the technical scheme, the side wall of the hollow frame is provided with a square groove, and the square groove is combined with the clamping block.
As further description of the technical scheme, the top of the hollow frame is fixedly connected with a supporting frame, and the inside of the hollow frame is fixedly connected with a limiting strip.
As further description of the technical scheme, the support frame is internally and slidably connected with a sliding column, and the top of the sliding column is fixedly connected with a pull ring.
As further description of the technical scheme, the bottom of the sliding column is fixedly connected with a bolt block, the bolt block is slidably connected inside the hollow frame, and the bolt block is combined with the sliding frame.
As further description of the technical scheme, the outer wall of the sliding column is sleeved with a second spring, one end of the second spring is fixedly connected inside the supporting frame, and the other end of the second spring is fixedly connected to the top of the bolt block.
The utility model has the following beneficial effects:
1. According to the utility model, the clamping blocks are extruded through the frame of the cooling machine, so that the clamping blocks rotate in the fixed frame and simultaneously compress the first spring, and after the cooling machine slides into the clamping blocks, the cooling machine is opened and closed through the first spring release elasticity, so that the effect of fixing the cooling fan of the wind power equipment is achieved, the problem that the cooling fan is difficult to detach when being mounted on the wind power equipment is solved, and the applicability of the cooling fan is improved.
2. According to the utility model, the filter screen is driven to slide in the hollow frame through the sliding frame, then the limit bar is used for limiting, then the bolt block is extruded through the frame of the sliding frame, meanwhile, the bolt block drives the sliding column to move upwards to compress the second spring, and then the second spring releases elasticity, so that the effect of opening and closing the filter screen arranged in the hollow frame is achieved, the problem that impurities in air are involved in fan blades in the cooling machine during operation of the cooling fan, and the damage of the cooling fan is caused is solved, and the service life of the cooling fan is prolonged.
Drawings
FIG. 1 is a schematic perspective view of a cooling fan special for wind power equipment;
FIG. 2 is a schematic diagram of a fixing frame structure of a cooling fan special for wind power equipment;
FIG. 3 is a schematic diagram of a hollow frame structure of a cooling fan special for wind power equipment;
Fig. 4 is an enlarged view at a in fig. 3.
Legend description:
1. A base; 2, a generator, 3, blades, 4, a transmission shaft, 5, a fixed block, 6, a cooling machine, 7, a fixed frame, 8, a clamping block, 9, a pulling frame, 10, a first spring, 11, a hollow frame, 12, a square groove, 13, a sliding frame, 14, a limit bar, 15, a filter screen, 16, a supporting frame, 17, a pull ring, 18, a sliding column, 19, a second spring, 20 and a bolt block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
1-4, The special cooling fan for wind power equipment comprises a base 1, wherein a generator 2 is fixedly connected to the top of the base 1 and used for converting wind energy into electric energy, a transmission shaft 4 is fixedly connected to the output end of the generator 2 and used for transmitting rotary power, blades 3 are fixedly connected to the outer wall of the transmission shaft 4 and used for capturing wind energy and driving the transmission shaft 4 to rotate, a fixed block 5 is fixedly connected to the side wall of the generator 2 and used for providing a supporting structure, a fixed frame 7 is fixedly connected to the side wall of the fixed block 5 and used for accommodating a fixed component, and the fixed component is arranged in the fixed frame 7 and used for rapidly installing and fixing a cooling machine 6;
The fixed subassembly includes clamp splice 8, clamp splice 8 rotates to be connected and realizes adjustable centre gripping in fixed frame 7 inside, clamp splice 8 lateral wall fixedly connected with draws frame 9 to be used for opening and shutting of manual operation clamp splice 8, fixed frame 7 inside is provided with first 10 of spring and is used for providing elasticity restoring force, first 10 one end fixed connection of spring is at the clamp splice 8 outer wall, first 10 other end fixed connection of spring is inside fixed frame 7, the inside cooling machine 6 that is provided with of clamp splice 8 is used for carrying out forced air cooling heat dissipation to generator 2, cooling machine 6 and clamp splice 8 looks block realize quick assembly disassembly, cooling machine 6 one side fixedly connected with hollow frame 11 is used for guiding the air current and installs filter component, hollow frame 11 inside is provided with filter component and is used for blockking dust and impurity entering cooling machine 6 inside.
Referring to fig. 1-4, the filter assembly includes a sliding frame 13 and a filter screen 15, the sliding frame 13 is slidably connected inside the hollow frame 11 to achieve drawable installation, the filter screen 15 is disposed inside the sliding frame 13 to be used for filtering impurities in air flow entering the cooling machine 6, a square groove 12 is formed in the side wall of the hollow frame 11 to be used for providing a clamping space of the clamping block 8, the square groove 12 is clamped with the clamping block 8 to achieve rapid fixing of the cooling machine 6, a supporting frame 16 is fixedly connected to the top of the hollow frame 11 to be used for supporting a locking mechanism, a limiting bar 14 is fixedly connected inside the hollow frame 11 to be used for limiting the moving range of the sliding frame 13, a sliding column 18 is slidably connected inside the supporting frame 16 to be used for controlling lifting of the sliding block 20, a pull ring 17 is fixedly connected to the top of the sliding column 18 to be convenient for manual operation, the sliding block 20 is fixedly connected to be used for locking the position of the sliding frame 13, the sliding block 20 is slidably connected inside the hollow frame 11 to achieve vertical movement, the sliding block 20 is clamped with the clamping block 13 to ensure that the filter screen 15 is clamped with the clamping block, a spring two 19 is sleeved on the outer wall of the sliding column 18 to be provided with a spring two end 19 to provide an automatic reset function, one end of the spring two end is fixedly connected to the supporting block 16 to the other end of the spring two end 19 to be fixedly connected to the top of the spring 20 to the spring two end 20 to be fixedly connected to the top of the spring 20 to be fixed to the top to be fixed to the spring 20.
Working principle: when the wind power equipment is operated, heat is generated, the wind power equipment is cooled by installing the cooling machine 6, firstly, the frame of the cooling machine 6 and the clamping block 8 are extruded by moving the cooling machine 6, so that the clamping block 8 rotates in the fixed frame 7, the spring I10 is compressed in the process of rotating the clamping block 8, then after the frame of the cooling machine 6 completely enters the clamping block 8, the clamping block 8 is reset by releasing elastic force through the spring I10, at the moment, one end of the clamping block 8 is opened and closed with the square groove 12, thereby achieving the purpose of fixing the cooling machine 6, and simultaneously, when the cooling machine 6 needs to be disassembled, the clamping block 8 is driven by pulling the pulling frame 9, so that the clamping block 8 is separated from the clamping state of the cooling machine 6, and then the cooling machine 6 is disassembled in the long-term use process of the cooling machine 6, when the outside air is absorbed and blown into the generator 2 to exchange heat, impurities in the air are generally involved into the cooling machine 6 to cause damage to fan blades in the cooling machine 6, at the moment, the sliding frame 13 is pushed to drive the filter screen 15 to slide in the hollow frame 11, when the sliding frame 13 contacts with the limit strip 14, the top of the sliding frame 13 contacts with the plug block 20 and presses the plug block 20, when the plug block 20 is stressed, the plug block 20 moves upwards and simultaneously drives the sliding column 18 to move upwards to compress the spring II 19, when the sliding frame 13 moves in place, the spring II 19 releases elasticity to reset the plug block 20, and then the plug block 20 is clamped in the sliding frame 13, so that the filter screen 15 is limited and installed in the hollow frame 11, thereby achieving the purpose of intercepting impurities in the air.
It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.