Axial flow fan mounting device

Abstract

The utility model discloses an axial flow fan installation device which comprises a cover plate, an axial flow fan, a structure installation plate and a system frame, the axial flow fan is installed on the system frame, the structure installation plate is installed between the cover plate and the axial flow fan, and a hollow round hole is reserved in the middle of the structure installation plate. Lug plates connected with the system frame are arranged on the two sides of the structure mounting plate, and the lug plates are designed in a step shape, so that the structure mounting plate can be flush with the upper surface of the system frame. According to the axial flow fan, the structure mounting plate is arranged, the fan mounting plate and the cover plate are separated, the lug plates of the structure mounting plate are arranged to be in the stepped state, the plane of the mounting plate and the frame face are the same plane, the cover plate can be conveniently mounted on the same plane, and the normal mounting state of the axial flow fan is not affected by mounting and maintenance of the cover plate at all; overall splicing connection is achieved, the structure mounting plate is designed to be light in structure, maintenance and replacement are rapid and convenient, and the maintenance labor and time cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan installation technical field, concretely relates to a axial flow fan mounting device. BACKGROUND

[0002] Different specifications and models of axial flow fans are often applied to various control system oxygen or nitrogen making equipment, provide required air volume for the system, these equipment are often assembled in caterpillar, armored vehicle or other vibration level requirement particularly strict vehicle, and axial flow fan is one of the most important core components in the equipment, the firmness of the fixing mode determines whether the whole machine system runs well, the axial flow fan is usually installed on the fixed whole machine side wall or other side surface fixed surface which is not easy to disassemble, that is, the installation surface and the gravity direction are 90 degrees, reduce the influence of the self gravity on the equipment in the vibration process.

[0003] When the axial flow fan is installed on the equipment top cover plate which is easy to disassemble, that is, the installation surface and the gravity direction are parallel, higher requirements are put forward for the strength of the fan mounting plate, in addition, how to ensure that the installation cover plate and the fan are not interfered with each other during disassembly and are easy to maintain and disassemble, in addition, as a vehicle-mounted system, lightweight is often an important technical index, under the premise of ensuring that the fixed fan is firm, the lightweight of the fan mounting piece also becomes particularly important.

[0004] However, at present, for the axial flow fan with a size of more than 300mm*300mm and a large self weight, the axial flow fan is often installed on the fixed whole machine side wall or other fixed surface which is not easy to disassemble, once installed, it is extremely inconvenient to disassemble, the axial flow fan and the installation surface are often required to be disassembled at the same time, for the cover plate and the like which is frequently disassembled, it is usually not selected as the fan mounting plate, and the axial flow fan mounting plate is often made of stainless steel laser cutting and is integrally reinforced by bending or welding, for different specifications and models of axial flow fans, especially for medium-sized axial flow fans with a weight of more than 3kg, when applied to occasions with vibration level requirements of C.4 and above, the strength requirement of the fan mounting plate is higher, and thicker and higher-strength stainless steel is often required to make the fan mounting plate, thereby increasing the overall weight of the equipment. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model lies in how to provide a lightweight fan mounting piece which can ensure that the installation cover plate and the fan are not interfered with each other during disassembly.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] An axial flow fan mounting device, comprising a cover plate, an axial flow fan and a system frame, wherein the axial flow fan is installed on the system frame, the cover plate is located at the air outlet end of the axial flow fan, and a structure mounting plate is further included.

[0008] The structure mounting plate is installed between the cover plate and the axial flow fan, a hollow circular hole is reserved in the middle of the structure mounting plate, and an ear plate connected with the system frame is arranged on both sides of the structure mounting plate, the ear plate is designed in a stepped manner, so that the upper surfaces of the structure mounting plate and the system frame can be flush.

[0009] The structure mounting plate is arranged to separate the fan mounting plate from the cover plate, the ear plate of the structure mounting plate is arranged in a stepped state, the plane of the mounting plate and the plane of the frame are the same plane, the same plane installation of the cover plate is facilitated, the installation and maintenance of the cover plate do not affect the normal installation state of the axial flow fan, the whole is assembled and connected, the structure mounting plate is designed to be lightweight, and the maintenance and replacement are convenient, and the labor and time cost of maintenance is greatly reduced.

[0010] As a further scheme of the utility model: A plurality of fan connecting holes are formed on the structure mounting plate and outside the hollow circular hole; a plurality of fan through holes corresponding to the fan connecting holes are formed on the axial flow fan, and the fan connecting holes and the fan through holes are connected through a screw combination.

[0011] As a further scheme of the utility model: A plurality of fan connecting holes are formed on the structure mounting plate and outside the hollow circular hole; a plurality of fan through holes corresponding to the fan connecting holes are formed on the axial flow fan, and the fan connecting holes and the fan through holes are connected through a screw combination.

[0012] As a further scheme of the utility model: A plurality of fan connecting holes are formed on the structure mounting plate and outside the hollow circular hole; a plurality of fan through holes corresponding to the fan connecting holes are formed on the axial flow fan, and the fan connecting holes and the fan through holes are connected through a screw combination.

[0013] As a further scheme of the utility model: The structure mounting plate is made of aluminum material, and a reinforcing rib is arranged at each connecting hole mounting position of the structure mounting plate.

[0014] As a further scheme of the utility model: The ear plate is installed at the bottom of the system frame mounting plate, a screw avoiding hole two connected with the ear plate is formed on the cover plate, and the screw avoiding hole two is connected to the ear plate through a screw rod penetrating the system frame mounting plate.

[0015] As a further scheme of the utility model: An air outlet hole corresponding to the air outlet of the axial flow fan is arranged at the middle position of the cover plate.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] Firstly, the application separates the fan mounting plate from the cover plate by setting a structural mounting plate, and the lug plate of the structural mounting plate is set in a stepped state, so that the mounting plate plane and the frame plane are the same plane, facilitating the same plane installation of the cover plate, and the cover plate installation and maintenance do not affect the normal installation state of the axial flow fan itself; the application is integrally assembled and connected, the structural mounting plate is lightweight in structure, maintenance and replacement are fast and convenient, and the labor and time cost of maintenance is greatly reduced;

[0018] Secondly, the light structural mounting plate of the application is milled from aluminum material, and reinforcing ribs with different thicknesses of 2-3 mm are arranged at the hollow circular holes along the circumference, the threaded holes and the lap joint weak positions, so that the strength of the fan mounting plate is ensured, and the weight of the mounting plate of the axial flow fan is greatly reduced; under the premise of ensuring the structural strength, the weight is greatly reduced compared with the conventional stainless steel support;

[0019] Finally, the threaded holes of the light structural mounting plate are steel wire sleeve holes, and steel wire sleeves are embedded in the threaded holes, so that the sliding tooth of the threaded hole is prevented from affecting the installation and failure of the structural mounting plate during the frequent maintenance and disassembly of the axial flow fan in the later period. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is an explosion schematic view of the light mounting device for the axial flow fan according to the embodiment of the application;

[0021] Figure 2 It is a structural schematic view of the structural mounting plate and the axial flow fan according to the embodiment of the application;

[0022] Figure 3 It is a structural schematic view of the structural mounting plate and the axial flow fan during installation according to the embodiment of the application;

[0023] Figure 4 It is a bottom structural schematic view of the embodiment of the application; Figure 3

[0024] Figure 5 It is a structural schematic view of the light mounting device for the axial flow fan according to the embodiment of the application;

[0025] Figure 6 It is an enlarged view of the A area in Figure 5

[0026] Figure 7 It is a structural schematic view of the cover plate according to the embodiment of the application;

[0027] Figure 8 It is a structural schematic view of the structural mounting plate according to the embodiment of the application;

[0028] Figure 9 It is a bottom structural schematic view of the structural mounting plate according to the embodiment of the application;​​

[0029] BRIEF DESCRIPTION OF DRAWINGS

[0030] 1, cover plate; 11, screw avoidance hole one; 12, mounting plate connecting hole; 13, screw avoidance hole two; 14, air outlet hole;

[0031] 2, structural mounting plate; 21, fan connecting hole; 22, cover plate connecting hole; 23, ear plate; 24, hollow round hole; 25, reinforcing rib;

[0032] 3, axial flow fan; 31, fan through hole;

[0033] 4, system frame;

[0034] 5, screw assembly. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0036] Referring to Figure 1 and Figure 5 , an axial flow fan mounting device comprises a cover plate 1, a structural mounting plate 2, an axial flow fan 3, a system frame 4 and a screw assembly 5, wherein the axial flow fan 3 is mounted on the system frame 4, the cover plate 1 is located above the axial flow fan 3, and the structural mounting plate 2 is mounted between the cover plate 1 and the axial flow fan 3, wherein the cover plate 1 can also be mounted on the system frame 4.

[0037] Referring to Figure 5 , Figure 6 and Figure 7 , the cover plate 1 is in the form of a rectangular plate structure as a whole, an air outlet hole 14 is formed at the middle position of the cover plate 1, the air outlet hole 14 corresponds to the fan air outlet position of the axial flow fan 3, so that the air generated by the axial flow fan 3 can be discharged through the air outlet hole 14; a plurality of screw avoidance holes one 11 and mounting plate connecting holes 12 are arranged on the cover plate 1 and located at the periphery of the air outlet hole 14, wherein the mounting plate connecting holes 12 are located on both sides of the screw avoidance holes one 11; a plurality of screw avoidance holes two 13 are also formed on both sides of the cover plate 1.

[0038] Referring to Figure 8 and Figure 9The structural mounting plate 2 is milled as a whole from aluminum material, a hollow circular hole 24 is formed in the middle position, the hollow circular hole 24 is just located below the air outlet hole 14 and just above the fan in the axial flow fan 3, a plurality of fan connecting holes 21 and cover plate connecting holes 22 are arranged on the outer shaft of the hollow circular hole 24;

[0039] It should be noted that the positions of the fan connecting holes 21 correspond to the positions of the screw avoiding holes 11, and the number of the fan connecting holes 21 is consistent with the number of the screw avoiding holes 11, four groups are arranged in the present application, and the four fan connecting holes 21 are equidistantly arranged on the outer periphery of the hollow circular hole 24, the number of the fan connecting holes 21 and the number of the screw avoiding holes 11 are not limited in the present application, only one of the embodiments is given; the fan connecting hole 21 is a through hole;

[0040] It should be noted that the positions of the cover plate connecting holes 22 correspond to the positions of the mounting plate connecting holes 12, and the number of the cover plate connecting holes 22 is consistent with the number of the mounting plate connecting holes 12, eight are arranged in the present application, which are arranged on both sides of the four fan connecting holes 21, and the corresponding mounting plate connecting holes 12 are also arranged in eight, which are located on both sides of the four screw avoiding holes 11; the number of the cover plate connecting holes 22 and the number of the mounting plate connecting holes 12 are not limited in the present application, only one of the embodiments is given; the cover plate connecting hole 22 is a threaded hole, and each threaded hole is a steel wire sleeve hole, which is embedded with a steel wire sleeve, which ensures that the threaded hole does not affect the installation and failure of the structural mounting plate 2 during the frequent maintenance and disassembly of the axial flow fan later; the positions of the cover plate connecting holes 22 and the mounting plate connecting holes 12 are connected by locking screws to fix the cover plate 1 and the structural mounting plate 2.

[0041] Referring to Figure 8 and Figure 9 The structural mounting plate 2 is provided with a reinforcing rib 25 with a thickness of 2-3 mm at the hollow circular hole along the periphery, the threaded hole and the lap joint weak part, which not only ensures the strength of the fan mounting plate, but also greatly reduces the weight of the mounting plate of the axial flow fan 3.

[0042] Further, four ear plates 23 are arranged on both sides of the structural mounting plate 2, wherein the ear plate 23 adopts a sunken stepped shape, the stepped height is consistent with the thickness of the frame mounting plate, and the upper surface of the ear plate 23 is lower than the upper surface of the structural mounting plate 2, so that the ear plate 23 can be installed below the mounting plate of the system frame 4, so that the upper surfaces of the structural mounting plate 2 and the system frame 4 are flush, the cover plate 1 is installed on the uppermost, and the screw avoiding hole two 13 on the cover plate 1 can be screwed through the mounting plate of the system frame 4 and screwed to the ear plate 23; At the same time, a plurality of threaded holes for connecting with the mounting plate of the system frame 4 are also formed on the cover plate 1, so as to realize the fixation of the cover plate 1, the structural mounting plate 2 and the system frame 4.

[0043] Screw-avoiding holes are formed in the cover plate 1, so that the installation and removal of the cover plate 1 do not affect the normal operation of the axial flow fan 3. The cover plate 1 is locked on the system frame 4 and the structural mounting plate 2 by locking screws, so that the overall structural mounting form is more firm.

[0044] Referring to Figure 2 , Figure 3 and Figure 4 , fan through holes 31 are formed at the four corners of the outer side of the axial flow fan 3. The four fan through holes 31 are connected with the four fan connecting holes 21 through the screw assembly 5. The screws in the screw assembly 5 pass through the fan connecting holes 21 and the fan through holes 31, and then the nuts are used to be fixedly connected with the screws from the bottom of the fan through holes 31, so as to realize the fixation of the axial flow fan 3 and the structural mounting plate 2 (see Figure 4 ). The screw-avoiding hole one 11 on the cover plate 1 can make the installation and removal of the cover plate 1 not affect the normal operation of the axial flow fan 3.

[0045] The specific operation principle of the present application is as follows:

[0046] During installation, first, the axial flow fan 3 is placed below the structural mounting plate 2, and then the fan connecting holes 21 on the structural mounting plate 2 and the fan through holes 31 on the axial flow fan 3 are connected by using the screw assembly 5, so as to realize the fixation of the axial flow fan 3 and the structural mounting plate 2.

[0047] The ear plate 23 of the structural mounting plate 2 is installed below the mounting plate of the system frame 4, and then the screws are passed through the threaded holes on the ear plate 23 and connected to the mounting plate of the system frame 4, so as to realize the fixation of the system frame 4 and the structural mounting plate 2. At this time, the installation of the structural mounting plate 2, the axial flow fan 3 and the system frame 4 is completed.

[0048] Finally, the cover plate 1 is placed above the structural mounting plate 2. The screw assembly 5 is located in the screw-avoiding hole one 11, and the screws connected between the fan connecting holes 21 and the mounting plate of the system frame 4 are located in the screw-avoiding hole two 13. Then, the mounting plate connecting hole 12 is connected with the cover plate connecting hole 22 by using the screws, so as to realize the fixation of the cover plate 1 and the structural mounting plate 2. Then, the other threaded holes on the cover plate are connected with the mounting plate of the system frame 4 by using the screws, so as to realize the fixation of the cover plate 1 and the system frame 4.

[0049] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An axial flow fan mounting device comprising a cover plate (1), an axial flow fan (3) and a system frame (4), wherein the axial flow fan (3) is mounted on the system frame (4) and the cover plate (1) is located at the air outlet end of the axial flow fan (3), characterized in that, Also include a structure mounting plate (2); The structure mounting plate (2) is installed between the cover plate (1) and the axial flow fan (3), the hollow circular hole (24) is reserved in the middle of the structure mounting plate (2), and the lug plate (23) connected with the system frame (4) is arranged on both sides of the structure mounting plate (2), the lug plate (23) is designed in a stepped shape, so that the upper surfaces of the structure mounting plate (2) and the system frame (4) can be flush.

2. An axial fan mounting arrangement according to claim 1, wherein: A plurality of fan connecting holes (21) are formed on the structure mounting plate (2) and outside the hollow circular hole (24); A plurality of fan through holes (31) corresponding to the fan connecting holes (21) are formed on the axial flow fan (3), and the fan connecting holes (21) and the fan through holes (31) are connected through a screw assembly (5).

3. An axial fan mounting arrangement according to claim 2, wherein: A screw avoiding hole one (11) is reserved on the cover plate (1) and at a position corresponding to the fan connecting hole (21).

4. The axial fan mounting arrangement of claim 1, wherein: A plurality of cover plate connecting holes (22) are formed on the structure mounting plate (2) and outside the hollow circular hole (24); A plurality of mounting plate connecting holes (12) corresponding to the cover plate connecting holes (22) are formed on the cover plate (1), and the mounting plate connecting holes (12) and the cover plate connecting holes (22) are bolted.

5. The axial fan mounting arrangement of claim 1, wherein: The structure mounting plate (2) is made of aluminum material, and a reinforcing rib (25) is arranged at each connecting hole mounting position of the structure mounting plate (2).

6. An axial fan mounting arrangement according to claim 1, wherein: The lug plate (23) is installed at the bottom of the system frame (4) mounting plate, the cover plate (1) is provided with a screw avoiding hole two (13) connected with the lug plate (23), and the screw avoiding hole two (13) is connected to the lug plate (23) through a screw rod penetrating the system frame (4) mounting plate.

7. An axial fan mounting arrangement according to claim 1, wherein: An air outlet hole (14) corresponding to the air outlet of the axial flow fan (3) is arranged at the middle position of the cover plate (1).

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