Cooling fan special for wind power equipment

Abstract

The utility model relates to the technical field of wind power generation, and discloses a special cooling fan for wind power equipment, which comprises a base, 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, and the side wall of the generator is fixedly connected with a fixing block. The side wall of the fixing block is fixedly connected with a fixing frame, and a fixing assembly is arranged in the fixing frame. The fixing assembly comprises a clamping block, the clamping block is rotationally connected to the interior of the fixing frame, and the side wall of the clamping block is fixedly connected with a frame pulling piece. According to the cooling fan fixing device, the clamping blocks are extruded through the cooling machine frame, so that the clamping blocks rotate in the fixing frame and compress the first springs at the same time, the effect of fixing the cooling fan of the wind power equipment is achieved, the problem that the cooling fan is difficult to disassemble when installed on the wind power equipment is solved, and the applicability of the cooling fan is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power generation technical field especially relates to a cooling fan special for wind power equipment. BACKGROUND

[0002] With wind generating set developing towards high power and high density, the heat dissipation demand of its internal key components such as converter, gear box and generator is increasingly severe, the cooling fan special for wind power equipment as a core heat management device directly influences the operation efficiency and reliability of the unit, the traditional cooling scheme mostly adopts forced air cooling technology, and the air flow is driven by axial or centrifugal fan to quickly discharge the heat accumulated in the equipment. However, under complex working conditions such as high salt fog on sea and high dust in desert, the cooling fan not only needs to meet the high-efficiency heat dissipation demand, but also needs to consider the engineering requirements such as installation convenience and maintenance adaptability.

[0003] At present, the wind power cooling fan is generally fixed on the equipment rack by bolt fastening or welding. The bolt connection needs to be matched with the flange through pre-drilling hole position, and the clamping force is generated by the thread pair to realize rigid fixation, and the welding directly melts the fan frame and the supporting structure to form an integral whole.

[0004] The existing fixing mode has the obvious defects of complex dismounting process and poor maintenance adaptability, for example, when the cooling fan is replaced or overhauled, special tools are needed to dismount the bolts one by one, and it is extremely inconvenient to operate in the narrow cabin space, and more seriously, long-term vibration can cause the thread pair to be locked, and even cause the bolt to be broken, further increasing the dismounting difficulty, therefore, the cooling fan special for wind power equipment is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a cooling fan special for wind power equipment, which aims at improving the problem that the cooling fan in the prior art is difficult to dismount after being installed on the wind power equipment.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a cooling fan special for wind power equipment, comprising a base, 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 a blade, 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 the fixed frame is internally provided with a fixed assembly.

[0007] The fixed assembly comprises a clamping block, the clamping block is rotationally connected in the fixed frame, a pull frame is fixedly connected to the side wall of the clamping block, a spring one is arranged in the fixed frame, one end of the spring one is fixedly connected to the outer wall of the clamping block, the other end of the spring one is fixedly connected to the inner part of the fixed frame, a cooling machine is arranged in the clamping block, the cooling machine is clamped with the clamping block, a hollow frame is fixedly connected to one side of the cooling machine, and a filtering assembly is arranged in the hollow frame.

[0008] As a further description of the above technical scheme, the filtering assembly comprises a sliding frame and a filter screen, the sliding frame is slidingly connected in the hollow frame, and the filter screen is arranged in the sliding frame.

[0009] As a further description of the above technical scheme, a square groove is formed in the side wall of the hollow frame, and the square groove is combined with the clamping block.

[0010] As a further description of the above technical scheme, a supporting frame is fixedly connected to the top of the hollow frame, and a limiting strip is fixedly connected in the hollow frame.

[0011] As a further description of the above technical scheme, a sliding column is slidingly connected in the supporting frame, and a pull ring is fixedly connected to the top of the sliding column.

[0012] As a further description of the above technical scheme, a bolt block is fixedly connected to the bottom of the sliding column, the bolt block is slidingly connected in the hollow frame, and the bolt block is combined with the sliding frame.

[0013] As a further description of the above technical scheme, a spring two is sleeved on the outer wall of the sliding column, one end of the spring two is fixedly connected in the supporting frame, and the other end of the spring two is fixedly connected to the top of the bolt block.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1、the utility model discloses, through the extrusion of cooling machine frame to clamping block, make clamping block rotate in the fixed frame inside and compress spring one, when cooling machine slides to the inside of clamping block, through the spring one release elastic force makes clamping block open and close cooling machine, thereby reached the effect of fixing the cooling fan of wind power equipment, solved the problem that cooling fan installs to wind power equipment and is difficult to dismantle, improved the applicability of cooling fan.

[0016] 2. The utility model discloses a hollow frame inside slide frame drive filter screen sliding, then through the limiting strip position, then again through the edge frame of slide frame to the plug block extrusion, plug block drives slide column to move up compression spring no. 2, then spring no. 2 releases the elastic force, to reach the effect that the filter screen installed in the hollow frame inside is opened and closed, solve the problem that the cooling fan in operation will the impurity in the air be rolled into the fan blade in the cooling machine, cause cooling fan damage, improve the service life of cooling fan. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional schematic view of a cooling fan special for wind power equipment is provided for the utility model;

[0018] Figure 2 A fixed frame structure schematic view of a cooling fan special for wind power equipment is provided for the utility model;

[0019] Figure 3 A hollow frame structure schematic view of a cooling fan special for wind power equipment is provided for the utility model;

[0020] Figure 4 A Figure 3 Enlarged view of A in the middle.

[0021] Legend:

[0022] 1, base, 2, generator, 3, blade, 4, transmission shaft, 5, fixed block, 6, cooling machine, 7, fixed frame, 8, clamp block, 9, pull frame, 10, spring no. 1, 11, hollow frame, 12, square groove, 13, slide frame, 14, limiting strip, 15, filter screen, 16, support frame, 17, pull ring, 18, slide column, 19, spring no. 2, 20, plug block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Refer to Figure 1 - Figure 4The utility model provides a kind of wind power equipment special cooling fan, including pedestal 1, pedestal 1 top is fixedly connected with generator 2 for converting wind energy into electric energy, generator 2 output end is fixedly connected with transmission shaft 4 for transmitting rotary power, transmission shaft 4 outer wall is fixedly connected with blade 3 for capturing wind energy and driving transmission shaft 4 rotation, generator 2 side wall is fixedly connected with fixed block 5 for providing support structure, fixed block 5 side wall is fixedly connected with fixed frame 7 for accommodating fixed assembly, fixed frame 7 inside is provided with fixed assembly for quick installation and fixed cooling machine 6;

[0025] Fixed assembly includes clamping block 8, clamping block 8 is rotatably connected in fixed frame 7 inside and realizes adjustable clamping, clamping block 8 side wall is fixedly connected with pull frame 9 for manually operating the opening and closing of clamping block 8, fixed frame 7 inside is provided with spring one 10 for providing elastic reset force, spring one 10 one end is fixedly connected in clamping block 8 outer wall, spring one 10 other end is fixedly connected in fixed frame 7 inside, clamping block 8 inside is provided with cooling machine 6 for the forced air cooling heat dissipation of generator 2, cooling machine 6 is engaged with clamping block 8 and realizes quick dismounting, cooling machine 6 one side is fixedly connected with hollow frame 11 for guiding airflow and installing filter assembly, hollow frame 11 inside is provided with filter assembly for blocking dust and impurities into cooling machine 6 inside.

[0026] Refer to Figure 1 Figure 4 Filter assembly includes sliding frame 13 and filter screen 15, sliding frame 13 is slidably connected in hollow frame 11 inside and realizes pull-out type installation, filter screen 15 is arranged in sliding frame 13 inside for filtering impurities in the airflow entering cooling machine 6, hollow frame 11 side wall is provided with square groove 12 for providing the engagement space of clamping block 8, square groove 12 is engaged with clamping block 8 and realizes the quick fixing of cooling machine 6, hollow frame 11 top is fixedly connected with support frame 16 for supporting locking mechanism, hollow frame 11 inside is fixedly connected with limit strip 14 for limiting the movement range of sliding frame 13, support frame 16 inside is slidably connected with sliding column 18 for controlling the lifting of bolt block 20, sliding column 18 top is fixedly connected with pull ring 17 for manual operation, sliding column 18 bottom is fixedly connected with bolt block 20 for locking the position of sliding frame 13, bolt block 20 is slidably connected in hollow frame 11 inside and realizes vertical motion, bolt block 20 is engaged with sliding frame 13 to ensure the stable installation of filter screen 15, sliding column 18 outer wall is provided with spring two 19 and provides automatic reset function, spring two 19 one end is fixedly connected in support frame 16 inside, spring two 19 other end is fixedly connected in bolt block 20 top and maintains the default locking state of bolt block 20.

[0027] ​Working principle: when the wind power equipment is running, heat will be generated, at this time, the cooling machine 6 is installed to cool it, first, the cooling machine 6 is moved, the frame of the cooling machine 6 is extruded with the clamp block 8, so that the clamp block 8 rotates in the fixed frame 7, when the clamp block 8 rotates, the spring 10 is compressed, then when the frame of the cooling machine 6 enters the inside of the clamp block 8, the spring 10 releases the elastic force to reset the clamp block 8, at this time, one end of the clamp block 8 is opened and closed with the square groove 12, so that the cooling machine 6 is fixed, at the same time, when the cooling machine 6 needs to be removed, the clamp block 8 is driven by pulling the pull frame 9, so that the clamp block 8 and the clamping state of the cooling machine 6 are separated, and then the cooling machine 6 is removed, when the cooling machine 6 is used for a long time, the impurities in the air are usually rolled into the inside of the cooling machine 6 to cause the fan blade in the cooling machine 6 to be damaged when the outside air is absorbed into the inside of the generator 2 to exchange heat, at this time, the filter screen 15 is driven by the sliding frame 13 to slide in the hollow frame 11, when the sliding frame 13 contacts with the limiting strip 14, the top of the sliding frame 13 contacts and extrudes the pin block 20 at the same time, when the pin block 20 is stressed, the pin block 20 moves upward, the sliding column 18 is driven to move upward at the same time, and the spring 19 is compressed, when the sliding frame 13 is moved to the position, the spring 19 releases the elastic force, so that the pin block 20 is reset, and then the pin block 20 is clamped in the inside of the sliding frame 13, so that the filter screen 15 is limited to be installed in the inside of the hollow frame 11, and the purpose of intercepting the impurities in the air is achieved.

[0028] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A cooling fan special for wind power equipment, comprising a base (1), characterized in that: The base (1) top fixedly connected with generator (2), the generator (2) output end fixedly connected with transmission shaft (4), the transmission shaft (4) outer wall fixedly connected with blade (3), the generator (2) side wall fixedly connected with fixed block (5), the fixed block (5) side wall fixedly connected with fixed frame (7), the fixed frame (7) is provided with fixed assembly inside; The fixed assembly includes a clamping block (8), the clamping block (8) is rotatably connected in the fixed frame (7), the clamping block (8) side wall fixedly connected with pull frame (9), the fixed frame (7) is provided with spring one (10), one end of the spring one (10) is fixedly connected in the clamping block (8) outer wall, the other end of the spring one (10) is fixedly connected in the fixed frame (7), the clamping block (8) is provided with cooling machine (6), the cooling machine (6) is combined with the clamping block (8), the cooling machine (6) one side fixedly connected with hollow frame (11), the hollow frame (11) is provided with filter assembly inside.

2. The cooling fan special for wind power equipment according to claim 1, characterized in that: The filter assembly includes a sliding frame (13) and a filter screen (15), the sliding frame (13) is slidably connected in the hollow frame (11), and the filter screen (15) is arranged in the sliding frame (13).

3. The cooling fan special for wind power equipment according to claim 2, characterized in that: The hollow frame (11) side wall is provided with square groove (12), and the square groove (12) is combined with the clamping block (8).

4. The cooling fan special for wind power equipment according to claim 3, characterized in that: The hollow frame (11) top fixedly connected with support frame (16), the hollow frame (11) inside fixedly connected with limit strip (14).

5. The cooling fan special for wind power equipment according to claim 4, characterized in that: The support frame (16) is slidably connected with a sliding column (18), and the sliding column (18) top is fixedly connected with a pull ring (17).

6. The cooling fan special for wind power equipment according to claim 5, characterized in that: The sliding column (18) bottom fixedly connected with the bolt block (20), the bolt block (20) is slidably connected in the hollow frame (11), and the bolt block (20) is engaged with the sliding frame (13).

7. The cooling fan special for wind power equipment according to claim 6, characterized in that: The sliding column (18) outer wall is provided with spring two (19), one end of the spring two (19) is fixedly connected in the support frame (16), and the other end of the spring two (19) is fixedly connected on the top of the bolt block (20).

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