Detachable fan blade mechanism for rectifying disc

Abstract

The detachable fan blade mechanism comprises a fan seat and a pressing block, a plurality of blade modules are detachably installed on the fan seat, the pressing block is used for fixing the blade modules, each blade module comprises a connecting block and a blade body, the blade modules are connected with the fan seat through the connecting blocks, and the blade bodies are connected with the fan seat through the connecting blocks. Through the implementation of the utility model, the blade module can be conveniently integrated on the outer edge of the rectifying disc, the outer edge space of equipment is fully utilized, the outer diameter of the fan blade is increased, the linear speed and the wind speed are improved, the blade module can be quickly disassembled and assembled, and a single blade can be replaced, so that the maintenance cost is relatively low; the whole structure is light in weight, detachable and high in space utilization rate, and has certain use value and popularization value.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fan blade mechanism technical field especially relates to a detachable fan blade mechanism for rectifier disc. BACKGROUND

[0002] With the rapid development of new energy power generation technology, the excitation system as the core device to protect the power generation efficiency and quality, its importance is increasingly prominent. As the key component of the excitation machine, the fan blade bears the heat dissipation function, and its performance directly affects the stability and life of the excitation machine. At present, the traditional fan blade adopts fixed structure, which has the following defects:

[0003] 1. Low space utilization: the fan blade is usually installed independently in the excitation machine, and is not designed cooperatively with components such as rectifier disc, so the space utilization efficiency is insufficient.

[0004] 2. Inconvenient maintenance: the fixed fan blade cannot be disassembled, and once damaged, it needs to be replaced as a whole, which is time-consuming and high in maintenance cost.

[0005] In view of the above, a detachable fan blade mechanism for rectifier disc is needed to solve the problems in the prior art. SUMMARY

[0006] In view of the deficiencies of the prior art, the utility model provides a detachable fan blade mechanism for rectifier disc, which aims to solve the above problems.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a detachable fan blade mechanism for rectifier disc, comprising a fan seat and a pressing block, a plurality of blade modules are detachably installed on the fan seat, the pressing block is used for fixing the blade module, the blade module comprises a connecting block and a blade body, the blade module is connected with the fan seat through the connecting block, and the blade body is arranged on the side of the connecting block away from the fan seat. A plurality of blade modules are detachably installed through the cooperation of the fan seat and the pressing block, which facilitates the integration of the blade module on the outer edge of the rectifier disc, fully utilizes the space of the outer edge of the equipment, increases the outer diameter of the fan blade, improves the linear speed and wind speed, and the blade module can be quickly disassembled and replaced with a single blade, the maintenance cost is relatively low, the overall structure is lightweight, detachable and high in space utilization.

[0008] Further, an annular opening is formed in the peripheral side outer wall of the fan seat, and the annular opening is used for inserting and limiting the installation of the blade module.

[0009] Further, the annular opening comprises an upper limiting groove, an upper protruding ring, a lower limiting groove and a lower protruding ring, and the upper limiting groove, the upper protruding ring, the lower limiting groove and the lower protruding ring are integrally formed.

[0010] Further, the top of the connecting block is provided with an upper sliding groove for adapting the upper limiting groove and the upper protruding ring, a first inner connecting head and a first outer connecting head, and the bottom of the connecting block is provided with a lower sliding groove for adapting the lower limiting groove and the lower protruding ring, a second inner connecting head and a second outer connecting head.

[0011] Further, the fan seat is further provided with a notch groove, and the bottom wall of the notch groove is provided with a positioning hole for adapting the mounting pressing block.

[0012] Further, the pressing block is provided with a through hole corresponding to the positioning hole, and the pressing block is further provided with a pressing groove and a pressing head.

[0013] The fan seat and the pressing block are matched to detachably mount a plurality of blade modules, the blade modules are integrated on the outer edge of the rectifier disc, the outer edge space of the equipment is fully utilized, the outer diameter of the fan blade is increased, the linear speed and the wind speed are improved, the blade modules can be quickly disassembled and replaced with single blades, the maintenance cost is relatively low, the overall structure is lightweight, detachable and has high space utilization, and has certain use value and popularization value. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0015] Figure 1 It is a structure perspective view of the present application.

[0016] Figure 2 It is a structure front view of the present application.

[0017] Figure 3 It is a structure top view of the present application.

[0018] Figure 4 It is a structure side view of the present application.

[0019] Figure 5 It is Figure 4 It is an enlarged view of the structure of A part.

[0020] Figure 6 It is a structure perspective view of the fan seat of the present application.

[0021] Figure 7 It is a structure front view of the fan seat of the present application.

[0022] Figure 8 It is the A-A structure section view schematic drawing of the fan seat of the utility model.

[0023] Figure 9 It is Figure 8 It is the B part structure enlarged schematic view.

[0024] Figure 10 It is the structure schematic view of the blade module of the utility model.

[0025] Figure 11 It is the structure schematic view of the pressing block of the utility model.

[0026] Figure 12 It is the installation structure schematic view on the rectifier disc of the utility model.

[0027] In the drawing: 1-fan seat, 11-annular port, 111-upper limit slot, 112-upper convex ring, 113-lower limit slot, 114-lower convex ring, 12-notch slot, 121-positioning hole; 2-pressing block, 21-perforation, 32-pressing groove, 23-pressing head, 3-blade module, 31-connection block, 311-upper sliding groove, 312-first inner connecting head, 313-first outer connecting head, 314-lower sliding groove, 315-second inner connecting head, 316-second outer connecting head, 32-blade body. DETAILED DESCRIPTION

[0028] In order to facilitate understanding of the utility model, the utility model is explained in more detail below in combination with the drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on another element or one or more intervening elements can exist therebetween. When an element is described as "connected to" another element, it can be directly connected to another element or one or more intervening elements can exist therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used in the specification are only for the purpose of illustration.

[0029] Unless otherwise defined, all technical and scientific terms used in the specification are the same as the meanings commonly understood by those skilled in the art to which the utility model belongs. The terms used in the specification of the utility model are only for the purpose of describing specific embodiments and are not used to limit the utility model. The term "and / or" used in the specification includes any and all combinations of one or more related listed items.

[0030] As Figures 1-12As shown, a detachable fan blade mechanism for a rectifier disk includes a fan base 1 and a pressure block 2. Several blade modules 3 are detachably installed on the fan base 1. The pressure block 2 is used to fix the blade modules 3. The blade module 3 includes a connecting block 31 and a blade body 32. The blade module 3 is connected to the fan base 1 through the connecting block 31. The blade body 32 is located on the side of the connecting block 31 away from the fan base 1.

[0031] As one implementation method, the fan base 1, the pressure block 2, and the blade module 3 are all made of aluminum, which makes the whole unit lighter and more stable. The inner edge of the fan base 1 is used to fit onto the outer edge of the rectifier disk. This makes it easier to integrate the entire fan blade mechanism into the outer edge of the rectifier disk, thereby making full use of the outer edge space of the rectifier disk, while increasing the outer diameter of the fan blades and improving the linear velocity and wind speed.

[0032] In one implementation, the connecting block 31 is an "I"-shaped spring steel pad connected to a fluororubber plate to prevent the blade module 3 from shaking when stationary.

[0033] In one implementation, the blade body 32 is designed to be inclined, with an inclination angle of 7.15°, and the highest and lowest points of the blade body 32 are the same distance from the top and bottom walls of the connecting block 31.

[0034] In one embodiment, an annular opening 11 is provided on the outer periphery of the fan base 1, and the annular opening 11 is used for inserting and limiting the installation of the blade module 3.

[0035] In one embodiment, the annular opening 11 includes an upper limit groove 111, an upper convex ring 112, a lower limit groove 113, and a lower convex ring 114, which are integrally formed.

[0036] In one embodiment, the top of the connecting block 31 is provided with an upper sliding groove 311 for adapting to the upper limit groove 111 and the upper convex ring 112, a first inner connector 312, and a first outer connector 313, and the bottom of the connecting block 31 is provided with a lower sliding groove 314 for adapting to the lower limit groove 113 and the lower convex ring 114, a second inner connector 315, and a second outer connector 316.

[0037] In one embodiment, the fan base 1 is also provided with a notch 12, and the bottom wall of the notch 12 is provided with a positioning hole 121 for fitting and installing the pressure block 2.

[0038] In one embodiment, the pressure block 2 is provided with a through hole 21 for coaxially corresponding positioning hole 121, and the pressure block 2 is also provided with a pressure groove 22 and a pressure head 23.

[0039] As an implementation, the pressing groove 22 and the pressing head 23 of the pressing block 2 are the same as the curvature angle of the upper limiting groove 111 and the upper convex ring 112, and are matched with each other for fixing and pressing the blade module 3.

[0040] The utility model discloses working principle: when using installation, first, the fan seat 1 is fixed on the outer circle of rectifier disc (with reference to Figure 12 ), the blade module 3 containing rubber buffer layer and spring steel band is embedded in sequence, the first inner connecting head 312 and the first outer connecting head 313 of connecting block 31 are adaptively nested on the two sides of the upper convex ring 112, the second inner connecting head 315 and the second outer connecting head 316 of connecting block 31 are adaptively nested on the two sides of the lower convex ring 114, and the first inner connecting head 312 is located in the upper limiting groove 111, and the second inner connecting head 315 is located in the lower limiting groove 113, finally, the locking is carried out by the cooperation of the pressing block 2 and the bolt, the blade module 3 below the pressing block 2 is adapted to the upper sliding groove 311, the first inner connecting head 312 and the first outer connecting head 313 of the blade module 3 by the pressing groove 22 and the pressing head 23 of the pressing block 2, and then all the blade modules 3 are completely adhered and fixed on the fan seat 1 are ensured;When running, the blade body 32 of the blade module 3 rotates at high speed with the rectifier disc, the lightweight characteristic of the aluminum alloy material reduces the centrifugal force on the shaft system, and the circular arc surface of the blade body 32 forms directional airflow, accelerates the heat from the inside of the exciter to be exported, the spring steel pad and the fluorine rubber plate of the connecting block 31 are combined and designed to provide elastic support in rotation, absorb high-frequency vibration, and prevent loosening caused by inertia displacement of the blade, when a certain piece of blade module 3 is damaged, corresponding replacement can be completed after the pressing block 2 is removed, without disassembling the overall structure, the maintenance cycle is greatly shortened.

[0041] It should be noted that the specification and drawings of the utility model give the preferred embodiment of the utility model, but the utility model can be realized by many different forms, and is not limited to the embodiments described in the specification, and the embodiments are not as additional limitation to the content of the utility model, and the purpose of providing the embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Furthermore, the above technical features continue to combine, form various embodiments not listed above, and are considered as the range of the specification of the utility model; further, for those skilled in the art, the above description can be improved or changed, and all these improvements and changes should belong to the protection scope of the claims of the utility model.

Claims

1. A detachable fan blade mechanism for a rectifier disk, characterized in that, Includes a fan base (1) and a pressure block (2). Several blade modules (3) are detachably installed on the fan base (1). The pressure block (2) is used to fix the blade modules (3). The blade module (3) includes a connecting block (31) and a blade body (32). The blade module (3) is connected to the fan base (1) through the connecting block (31). The blade body (32) is located on the side of the connecting block (31) away from the fan base (1).

2. The detachable fan blade mechanism for a rectifier disk according to claim 1, characterized in that, The fan base (1) has an annular opening (11) on its outer periphery, which is used to insert and limit the installation of the blade module (3).

3. The detachable fan blade mechanism for a rectifier disk according to claim 2, characterized in that, The annular opening (11) includes an upper limit groove (111), an upper convex ring (112), a lower limit groove (113), and a lower convex ring (114), which are integrally formed.

4. The detachable fan blade mechanism for a rectifier disk according to claim 3, characterized in that, The top of the connecting block (31) is provided with an upper sliding groove (311) for adapting to the upper limit groove (111) and the upper convex ring (112), a first inner connector (312), and a first outer connector (313). The bottom of the connecting block (31) is provided with a lower sliding groove (314) for adapting to the lower limit groove (113) and the lower convex ring (114), a second inner connector (315), and a second outer connector (316).

5. The detachable fan blade mechanism for a rectifier disk according to claim 4, characterized in that, The fan base (1) is also provided with a notch (12), and the bottom wall of the notch (12) is provided with a positioning hole (121) for fitting and installing the pressure block (2).

6. The detachable fan blade mechanism for a rectifier disk according to claim 5, characterized in that, The pressure block (2) is provided with a through hole (21) for coaxial corresponding positioning hole (121), and the pressure block (2) is also provided with a pressure groove (22) and a pressure head (23).

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