CN218325464U - Fan blade structure of cooling fan for generating set - Google Patents

Abstract

The utility model discloses a generating set is with cooling fan's fan blade structure, including shell and connection pad, the bottom surface fixedly connected with connector of connection pad, the inside of shell are equipped with the bearing frame, the surface of connector and the inner circle fixed connection of bearing frame, and the three regulation pole of fixed surface of bearing frame is connected with, and three spout has been seted up to the inside wall of shell. The utility model discloses a be provided with the pull rod, cooperation spout and regulation pole, can drive the regulation pole and rise in the shell inside, through the rising of regulation pole, play the mesh that directly drives the fan blade and rise, be convenient for make the fan blade upwards stretch out from the shell inside, can overhaul or clear up the fan blade, it need make a round trip to dismantle the problem convenient inadequately to have solved the fan blade in clearance or maintenance in-process, through being provided with powerful spring, can push down the constraint inside the spout with adjusting the pole through its elasticity, avoid not possessing the constraint measure and lead to adjusting the problem that pole drive connection pad and She Laihui rocked from top to bottom.

Description

Fan blade structure of cooling fan for generating set

technical field

The utility model relates to the technical field of generating sets, in particular to a fan blade structure of a cooling fan for generating sets.

Background technique

A generator set is a complete set of mechanical equipment that converts other forms of energy into electrical energy. It is composed of a power system, a control system, a noise reduction system, a shock absorption system, and an exhaust system. It is driven by a water turbine, steam turbine, diesel engine or other power machinery. The energy generated by air flow, fuel combustion or nuclear fission is converted into mechanical energy and transmitted to the generator, which is then converted into electrical energy by the generator and output to the electrical equipment for use.

The generator set will generate a certain amount of heat during the working process and needs to be cooled. A cooling fan will be used in the cooling process. However, most of the blades of the cooling fan are integrated with the cooling fan at present, which is not enough during disassembly or maintenance. It is convenient, and it is necessary to disassemble the cooling fan as a whole before the fan blades can be repaired or the dust can be cleaned, which leads to the phenomenon of slowing down the work progress. To solve the problems raised in the background art above.

Utility model content

The purpose of this utility model is to provide a fan blade structure of a cooling fan for a generator set, which can repair the fan blade or clean the dust on its surface at any time without disassembly, which is convenient and avoids the problem of slowing down the work progress.

In order to achieve the above object, the utility model adopts the following technical solutions:

A fan blade structure of a cooling fan for a generator set, comprising a casing and a connecting plate, the bottom surface of the connecting plate is fixedly connected with a connecting head, the inside of the casing is provided with a bearing seat, the outer surface of the connecting head and the bearing seat The inner ring of the bearing seat is fixedly connected, the outer surface of the bearing seat is fixedly connected with three adjustment rods, and the inner wall of the housing is provided with three slide slots, and the end of each adjustment rod away from the bearing seat is slidably connected to the slide slot Inside, the upper surface of each of the adjustment rods is fixedly connected with a pull rod, the inner top wall of each of the chute is provided with a sliding opening, and the outer surface of each of the pull rods is sleeved with a strong spring. The top end and the bottom end of the strong spring are fixedly connected with the inner top wall of the chute and the upper surface of the adjusting rod respectively, and the surface of the outer ring of the connecting plate is provided with three threaded holes, and the inner ring of each threaded hole is Bolts are threaded, and the end of each bolt away from the connecting plate is fixedly connected with a fan blade.

Preferably, the top end of each of the pull rods passes through the sliding opening and is fixedly connected to a limiting block, and the bottom surface of each of the limiting blocks is in contact with the upper surface of the housing.

Preferably, a pull ring is fixedly connected to the upper surface of each of the limiting blocks, and the pull ring is in the shape of a ring.

Preferably, an arc-shaped sealing plate is fixedly connected to the end of each fan blade close to the connecting plate, and the end of the sealing plate away from the fan blade is in contact with the surface of the outer ring of the connecting plate.

Preferably, two reinforcement blocks are fixedly connected to the outer surface of each adjustment rod, and one end of each reinforcement block close to the bearing seat is fixedly connected to the surface of the outer ring of the bearing seat.

Preferably, four mounting pieces are fixedly connected to the outer surface of the housing, and each mounting piece is provided with a mounting nail inside.

The beneficial effects of the utility model are as follows: by providing the connecting head, the purpose of connecting with the connecting plate is achieved; by setting the bearing seat, the connecting head can be rotated inside the bearing seat; through the rotation of the connecting head, the connection To achieve the purpose of driving the fan blades to rotate, the cooling and cooling work can be carried out. By setting the pull rod, coordinating with the chute and the adjustment rod, it can drive the adjustment rod to rise inside the shell, and through the rise of the adjustment rod, it can directly drive the fan blades. The purpose of rising is to make the fan blades protrude upwards from the inside of the shell, so that maintenance or cleaning of the fan blades can be carried out, which solves the problem that the fan blades need to be disassembled back and forth during the cleaning or maintenance process. Its elastic force presses down the adjusting rod and binds it inside the chute, avoiding the problem that the adjusting rod drives the connecting plate and the fan blade to shake back and forth due to lack of restraint measures.

Description of drawings

Fig. 1 is the top view of the utility model housing;

Fig. 2 is a sectional view of the front view of the utility model housing;

Fig. 3 is a sectional view of the top view of the connection plate of the present invention;

Fig. 4 is an enlarged schematic diagram of the structure at A in Fig. 2 of the present invention.

In the figure: 1. shell; 2. installation nail; 3. installation piece; 4. pull ring; 5. wind blade; 6. connection plate; 7. sealing plate; 8. adjustment rod; Reinforcement block; 11, bearing seat; 12, connecting head; 13, bolt; 14, threaded hole; 15, chute; 16, strong spring; 17, pull rod; 18, sliding port.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Please refer to Fig. 1-4 for reference, the utility model: a fan blade structure of a cooling fan for a generator set, including a casing 1 and a connecting plate 6, both of which are circular in shape, and the bottom surface of the connecting plate 6 is fixed A connector 12 is connected, and a bearing seat 11 is provided inside the shell 1. The outer surface of the connector 12 is fixedly connected with the inner ring of the bearing seat 11. The outer surface of the bearing seat 11 is fixedly connected with three adjustment rods 8. The inside of the shell 1 The wall is provided with three chute 15, and the end of each adjusting rod 8 away from the bearing seat 11 is slidably connected to the inside of the chute 15, and the outer surface of each adjusting rod 8 is fixedly connected with two reinforcement blocks 10, each reinforcement One end of the block 10 close to the bearing seat 11 is fixedly connected with the surface of the outer ring of the bearing seat 11, and the reinforcing block 10 serves the purpose of reinforcement, increasing the fixity of the joint between the adjusting rod 8 and the bearing seat 11.

The upper surface of each adjusting rod 8 is fixedly connected with a pull rod 17, and the inner top wall of each chute 15 is provided with a sliding opening 18, and the top of each pulling rod 17 runs through the sliding opening 18 and is fixedly connected with the limiting block 9, The bottom surface of each limiting block 9 is in contact with the upper surface of the housing 1 , and the limiting block 9 serves the purpose of limiting and increases the stability of the pull rod 17 .

The upper surface of each limit block 9 is fixedly connected with a draw ring 4, and the draw ring 4 is in the shape of a ring. Through the ring-shaped draw ring 4, the limit block 9 can be pulled at any time to adjust upwards, which is convenient. .

The outer surface of each pull rod 17 is all sleeved with a strong spring 16, and the top and bottom ends of each strong spring 16 are fixedly connected with the inner top wall of the chute 15 and the upper surface of the adjustment rod 8 respectively, and the connecting disc 6 outer ring There are three threaded holes 14 on the surface, and the inner circle of each threaded hole 14 is threaded with a bolt 13, and the end of each bolt 13 away from the connection plate 6 is fixedly connected with the blade 5, and each blade 5 is close to the connection plate 6 One end of each is fixedly connected with an arc-shaped sealing plate 7, and the end of the sealing plate 7 away from the fan blade 5 is in contact with the surface of the outer ring of the connection plate 6. Through the sealing plate 7, after the fan blade 5 is connected to the connection plate 6 The stability of the machine can avoid the problem of abnormal noise affecting the work caused by shaking.

The outer surface of the shell 1 is fixedly connected with four mounting pieces 3, and each mounting piece 3 is provided with a mounting nail 2 inside. Through the cooperation of the mounting piece 3 and the mounting nail 2, the purpose of installation is achieved, and the installation without a belt is avoided. Structural issues.

The working principle of the utility model is: when in use, first install the shell 1 at the designated position through the mounting piece 3 and the mounting nail 2, and then connect the connector 12 with the driving source, and the driving source can drive the connection The head 12 rotates inside the bearing seat 11. When the connecting head 12 rotates, it can drive the connecting disk 6 to rotate. When the connecting disk 6 rotates, it can drive the fan blade 5 to rotate. When the fan blade 5 rotates, it can generate wind force to cool down. Work;

When the fan blade 5 needs to be cleaned or overhauled, the staff first separates the driving source from the connector 12, and then only needs to pull up the limit block 9 through the pull ring 4, and the limit block 9 can drive The pull rod 17 rises, and when the pull rod 17 rises, it can drive the adjustment rod 8 to adjust upward. When the adjustment rod 8 is adjusted upward, it can drive the connecting plate 6 and the fan blade 5 to extend upward from the inside of the shell 1. When the fan blade 5 stretches out, the It can be cleaned or overhauled. If it needs to be disassembled, the fan blade 5 can be turned directly so that the bolt 13 can be taken out from the threaded hole 14 to complete the disassembly of the fan blade 5. After the cleaning or overhaul is completed, just loosen the The pull ring 4 is enough, and the elastic force of the strong spring 16 can directly drive the adjusting rod 8 to be adjusted downward for reset, so that the connection plate 6 and the fan blade 5 can be retracted into the inside of the shell 1, and most of the fan blades 5 are integrated into one structure. There are cumbersome problems in the process.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A fan blade structure of a cooling fan for a generator set, comprising a casing (1) and a connection plate (6), characterized in that: the bottom surface of the connection plate (6) is fixedly connected with a connector (12), the The housing (1) is provided with a bearing seat (11), the outer surface of the connector (12) is fixedly connected with the inner ring of the bearing seat (11), and the outer surface of the bearing seat (11) is fixedly connected with three Adjusting rod (8), the inner side wall of the housing (1) is provided with three slide grooves (15), and the end of each adjusting rod (8) far away from the bearing seat (11) is slidably connected to the slide groove (15) Inside, the upper surface of each of the adjustment rods (8) is fixedly connected with a pull rod (17), and the inner top wall of each of the chute (15) is provided with a slide (18), each of the The outer surface of pull bar (17) is equipped with strong spring (16), and the top and bottom of each described strong spring (16) are respectively connected with the inner top wall of chute (15) and the top of adjusting rod (8). The surface is fixedly connected, and the surface of the outer ring of the connecting plate (6) is provided with three threaded holes (14), and the inner ring of each of the threaded holes (14) is threaded with a bolt (13), and each of the bolts (13) Fan blades (5) are fixedly connected to one end away from the connection plate (6). 2. The fan blade structure of a cooling fan for a generator set according to claim 1, characterized in that: the top of each of the tie rods (17) passes through the sliding opening (18) and is fixedly connected to the limit block (9 ), the bottom surface of each of the limiting blocks (9) is in contact with the upper surface of the housing (1). 3. The fan blade structure of a cooling fan for a generator set according to claim 2, characterized in that: the upper surface of each of the limiting blocks (9) is fixedly connected with a pull ring (4), the Pull ring (4) is annular. 4. The fan blade structure of a cooling fan for a generator set according to claim 1, characterized in that: one end of each said fan blade (5) close to the connection plate (6) is fixedly connected with an arc-shaped A sealing plate (7), the end of the sealing plate (7) away from the blade (5) is in contact with the surface of the outer ring of the connection plate (6). 5. The fan blade structure of a cooling fan for a generator set according to claim 1, characterized in that: two reinforcing blocks (10) are fixedly connected to the outer surface of each of the adjusting rods (8), and each One end of each of the reinforcing blocks (10) close to the bearing seat (11) is fixedly connected to the surface of the outer ring of the bearing seat (11). 6. The fan blade structure of a cooling fan for a generator set according to claim 1, characterized in that: the outer surface of the housing (1) is fixedly connected with four mounting pieces (3), each of the mounting pieces The insides of the sheets (3) are provided with mounting nails (2).

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