Industrial fan convenient to maintain

Abstract

The utility model relates to an industrial fan convenient to maintain, which comprises a motor protective cover assembly, a motor, a conical connecting sleeve, a rotating seat, a fan blade connecting piece, fan blades and a mounting bracket, and the motor protective cover assembly comprises a first cover body, a second cover body, a first bracket, a second bracket, a top cover and a bottom cover, the first cover body is detachably and fixedly connected with the first support and the second support respectively, the second cover body is detachably and fixedly connected with the first support and the second support respectively, the two ends of the top cover are detachably and fixedly connected with the first support and the second support respectively, and the two ends of the bottom cover are detachably and fixedly connected with the first support and the second support respectively; the first cover body, the second cover body, the top cover and the bottom cover define a cavity for containing and fixedly installing a fan motor. The conical connecting sleeve is fixedly connected with the rotating seat and is also fixedly connected with an output shaft of the motor; one end of the fan blade connecting piece is fixedly connected with the rotating base, and the other end of the fan blade connecting piece is fixedly connected with the fan blades.

Description

Technical Field

[0001] The utility model belongs to the field of industrial fans, and in particular relates to an industrial fan which is easy to maintain. Background Art

[0002] In the industrial field, industrial fans are one of the most common and frequently used cooling equipment. When industrial fans are suspended on the top of a factory building, the blades of the industrial fans rotate to generate a whirlwind, which in turn cools down the internal space of the factory building.

[0003] Industrial fans are usually composed of motors, motor protection covers, rotating seats, fan blades, and hanging rods. In the prior art, the motor protection covers of industrial fans are usually one-piece cylindrical covers. The motor protection covers set up the motor cover and then fix it to the rotating seat. The hanging rod is fixedly connected to the motor protection cover. The other end of the hanging rod is directly fixed on the roof of the factory or at a high place. The general hanging rod is not removable. However, during repair and maintenance, maintenance workers often need to bring climbing equipment to dismantle the industrial fans suspended in the air one by one for maintenance, which makes repair and maintenance extremely difficult. Summary of the invention

[0004] The utility model aims to solve the shortcomings in the prior art and provides an industrial fan which is easy to maintain.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an industrial fan that is easy to maintain, comprising a motor protection cover assembly, a motor, a conical connecting sleeve, a rotating seat, a fan blade connecting piece, a fan blade, and a mounting bracket, wherein the motor protection cover assembly comprises a first cover body, a second cover body, a first bracket, a second bracket, a top cover and a bottom cover, wherein the first cover body is detachably fixedly connected to the first bracket and the second bracket respectively, the second cover body is detachably fixedly connected to the first bracket and the second bracket respectively, the two ends of the top cover are detachably fixedly connected to the first bracket and the second bracket respectively, and the two ends of the bottom cover are detachably fixedly connected to the first bracket and the second bracket respectively; the first cover body, the second cover body, the top cover and the bottom cover enclose a chamber for accommodating and fixing a fan motor; the conical connecting sleeve is fixedly connected to the rotating seat on the one hand, and fixedly connected to the output shaft of the motor on the other hand; one end of the fan blade connecting piece is fixedly connected to the rotating seat, and the other end of the fan blade connecting piece is fixedly connected to the fan blade.

[0006] In some embodiments of the present application, the mounting bracket includes a fixed connecting frame, an upper adjustment frame, an intermediate adjustment piece, and a lower adjustment frame, the upper adjustment frame and the fixed connecting frame are fixedly connected together, the lower adjustment frame and the top cover are fixedly connected together, the upper adjustment frame and the intermediate adjustment piece are detachably connected together, and the lower adjustment frame and the intermediate adjustment piece are detachably connected together; the upper adjustment frame includes a first upper adjustment frame and a second upper adjustment frame, the first upper adjustment frame and the second upper adjustment frame have the same structure, there is a preset distance between the first upper adjustment frame and the second upper adjustment frame, and the preset distance between the first upper adjustment frame and the second upper adjustment frame accommodates the intermediate adjustment piece.

[0007] In some embodiments of the present application, a first height adjustment hole is provided on the first upper adjustment frame, a second height adjustment hole is provided on the second upper adjustment frame, and the first height adjustment hole and the second height adjustment hole are aligned; a preset number of height holes distributed along the vertical direction are provided on the intermediate adjustment member, and a bolt passes through the first height adjustment hole, the height holes of different heights on the intermediate adjustment member, and the second height adjustment hole in sequence, so that the height of the intermediate adjustment member relative to the upper adjustment frame can be adjusted; a first angle adjustment hole is also provided on the first upper adjustment frame, and a second angle adjustment hole is also provided on the second upper adjustment frame, and the first angle adjustment hole and the second angle adjustment hole are aligned; the first angle adjustment hole and the second angle adjustment hole are arc-shaped slide grooves; an angle hole is also provided on the intermediate adjustment member, and a bolt passes through the first angle adjustment hole, the angle hole on the intermediate adjustment member, and the second angle adjustment hole in sequence, and the bolt slides in the arc-shaped slide grooves of the first angle adjustment hole and the second angle adjustment hole, and is fixed at different positions of the first angle adjustment hole and the second angle adjustment hole by the bolt, so that the angle of the intermediate adjustment member relative to the upper adjustment frame is different.

[0008] In some embodiments of the present application, the first bracket and the second bracket have the same structure, the first bracket has at least one first plug-in hole and at least one second plug-in hole, and the first plug-in hole and the second plug-in hole are respectively distributed at two ends of the first bracket; the top cover is provided with at least one first plug-in protrusion, and the bottom cover is provided with at least one second plug-in protrusion, the first plug-in protrusion is plugged into the first plug-in hole, and the second plug-in protrusion is plugged into the second plug-in hole, so that the two ends of the first bracket are respectively plugged and fixed to the top cover and the bottom cover.

[0009] In some embodiments of the present application, a first raised edge and a second raised edge are provided on the first bracket, and the first raised edge and the second raised edge extend to a preset height along the same extension direction, so that the cross-section of the first bracket is roughly U-shaped, and a first plugging notch and a second plugging notch are provided at both ends of the first raised edge, and a third plugging notch and a fourth plugging notch are provided at both ends of the second raised edge; at least two first plugging grooves are provided at both ends of the top cover, and at least two second plugging grooves are provided at both ends of the bottom cover; the first plugging notch of the first raised edge and the first plugging groove are plugged together, the third plugging notch of the second raised edge and the first plugging groove are plugged together, the second plugging notch of the first raised edge and the second plugging groove are plugged together, and the fourth plugging notch of the second raised edge and the second plugging groove are plugged together, so that the first bracket is fixedly plugged with the top cover and the bottom cover respectively.

[0010] In some embodiments of the present application, the motor includes an output shaft and a shaft seat, the shaft seat sleeve is arranged on the periphery of the output shaft, and the output shaft extends out of the preset length of the shaft seat; the conical connecting sleeve has an output shaft sleeve connecting hole that penetrates the conical connecting sleeve along the axial direction; the rotating seat has a connecting sleeve connecting hole that penetrates the rotating seat along the axial direction; the conical connecting sleeve passes through the connecting sleeve connecting hole of the rotating seat, so that the conical connecting sleeve and the rotating seat are fixedly connected together; the output shaft of the motor and the conical connecting sleeve are fixedly connected together, and the shaft seat of the motor is overlapped on the bottom cover, so that the motor is fixedly installed on the bottom cover, and the motor and the rotating seat are fixedly connected together.

[0011] In some embodiments of the present application, the tapered connecting sleeve has a first end and a second end, the outer diameter of the second end is larger than the outer diameter of the first end, and the tapered connecting sleeve is in a tapered shape; a keyway is also provided on the tapered connecting sleeve, and the keyway extends radially from the output shaft sleeve hole to the inner wall of the tapered connecting sleeve to a preset depth; the output shaft of the motor is fixedly connected to the tapered connecting sleeve by a key connection, so that the connection between the motor and the tapered connecting sleeve is more secure.

[0012] In some embodiments of the present application, the rotating seat includes a first section 171 and a second section, the first section extends upward from the second section to a preset height, the outer diameter of the first section is smaller than the outer diameter of the second section, and the fixed mounting groove is arranged on the second section; it also includes a blade clamping ring, the blade clamping ring has a through hole, the through hole is adapted to the first section of the rotating seat, the through hole of the blade clamping ring is sleeved on the first section of the rotating seat, and the blade clamping ring and the second section of the rotating seat are fixedly connected together.

[0013] In some embodiments of the present application, the fan blade connecting member includes a fan blade connecting section and a rotating seat connecting section, and the fan blade connecting section is fixedly connected to the rotating seat connecting section by welding, riveting, screw / bolt connection, or bonding, and the fan blade connecting section is used to be fixed together with the fan blade, and the rotating seat connecting section is fixedly installed in the fixed installation groove of the rotating seat; the fan blade connecting section has a first side and a second side, and the fan blade connecting section is obliquely connected to the rotating seat connecting section so that the first side is located obliquely above the second side.

[0014] In some embodiments of the present application, a motor connection hole cover and a rotating seat cover are also included, wherein the motor connection hole cover is fixed to the rotating seat from below by bolts, so that the motor connection hole cover seals one end of the motor connection hole; the rotating seat cover is fixed to the rotating seat from below by bolts, so that the rotating seat cover wraps the bottom of the rotating seat, thereby achieving the purpose of sealing the bottom of the rotating seat.

[0015] The beneficial effects of the present application are as follows: the industrial fan provided by the present application that is easy to maintain has a simple structure, and the various components are detachably fixedly connected to each other, so that it is easy to disassemble during later repair and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a structural schematic diagram of an industrial fan which is easy to maintain.

[0017] Figure 2 for Figure 1 A partial enlargement of an industrial fan provided for easy maintenance.

[0018] Figure 3 An exploded view of the components of an industrial fan that is easy to maintain provided by the utility model.

[0019] Figure 4 for Figure 3 A partial enlarged view of .

[0020] Figure 5 for Figure 1 Another partial enlarged view of the structure of the mounting bracket is shown in the figure.

[0021] Figure 6 The utility model is a schematic structural diagram of a middle adjusting member of a mounting bracket of an industrial fan which is easy to maintain.

[0022] Figure 7The utility model provides an assembly diagram of parts of an industrial fan that is easy to maintain.

[0023] Figure 8 A parts diagram of an industrial fan that is easy to maintain provided by the utility model shows a structural schematic diagram of a first bracket and a bottom cover.

[0024] Fig. 9 A parts diagram of an industrial fan that is easy to maintain provided by the utility model, showing a structural schematic diagram of a second bracket and a top cover.

[0025] Fig.10 The utility model provides a schematic structural diagram of an electric motor of an industrial fan which is easy to maintain.

[0026] Fig.11 A parts diagram for facilitating maintenance of an industrial fan provided by the utility model.

[0027] Fig.12 A parts diagram of an industrial fan that is easy to maintain provided by the utility model.

[0028] Fig.13 A partial cross-sectional view of an industrial fan that is easy to maintain provided by the utility model.

[0029] Fig.14 for Figure 3 A partial enlarged view of the exploded view of the components of an industrial fan for easy maintenance. DETAILED DESCRIPTION

[0030] The present application is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are intended to enable the present application to be better understood. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0031] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations, and the operation steps involved in each embodiment can also be replaced or adjusted in a sequence in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing a certain embodiment and do not mean that the composition and / or sequence are necessary.

[0032] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).

[0033] Please refer to Figure 1-14 The present application provides an industrial fan that is easy to maintain, including a motor protection cover assembly, a motor 15, a conical connecting sleeve 23, a rotating seat 17, a fan blade connecting piece 27, a fan blade 18, and a mounting bracket. The motor protection cover assembly includes a first cover body 13, a second cover body 14, a first bracket 8, a second bracket 12, a top cover 7 and a bottom cover 16. The first cover body 13 is detachably fixedly connected to the first bracket 8 and the second bracket 12 respectively, and the second cover body 14 is detachably fixedly connected to the first bracket 8 and the second bracket 12 respectively. The two ends of the top cover 7 are respectively The first bracket 8 and the second bracket 12 are respectively detachably fixedly connected, and the two ends of the bottom cover 16 are respectively detachably fixedly connected to the first bracket 8 and the second bracket 12; the first cover body 13, the second cover body 14, the top cover 7 and the bottom cover 16 enclose a chamber for accommodating and fixedly installing the fan motor; the conical connecting sleeve is fixedly connected to the rotating seat on the one hand, and is fixedly connected to the output shaft of the motor on the other hand; one end of the fan blade connecting piece is fixedly connected to the rotating seat, and the other end of the fan blade connecting piece is fixedly connected to the fan blade 18.

[0034] The mounting bracket includes a fixed connecting frame 1, an upper adjusting frame, and a middle adjusting member 4. The upper adjusting frame and the fixed connecting frame 1 are fixedly connected together, and the upper adjusting frame and the middle adjusting member 4 are detachably connected together.

[0035] In one embodiment of the present application, the upper adjustment frame includes a first upper adjustment frame 2 and a second upper adjustment frame 3, the first upper adjustment frame 2 and the second upper adjustment frame 3 have the same structure, and there is a preset distance between the first upper adjustment frame 2 and the second upper adjustment frame 3, and the preset distance between the first upper adjustment frame 2 and the second upper adjustment frame 3 accommodates the intermediate adjustment member 4.

[0036] In one embodiment of the present application, a first height adjustment hole 20 is provided on the first upper adjustment frame 2, and a second height adjustment hole (not shown in the figure) is provided on the second upper adjustment frame 3, and the first height adjustment hole 20 is aligned with the second height adjustment hole; a preset number of height holes 40 distributed along the vertical direction are provided on the intermediate adjustment member 4, and a bolt passes through the first height adjustment hole 20, the height holes 40 of different heights on the intermediate adjustment member 4 and the second height adjustment hole in sequence, so that the height of the intermediate adjustment member 4 relative to the upper adjustment frame can be adjusted.

[0037] In one embodiment of the present application, a first angle adjustment hole 21 is further provided on the first upper adjustment frame 2, and a second angle adjustment hole (not shown in the figure) is further provided on the second upper adjustment frame 3, and the first angle adjustment hole 21 and the second angle adjustment hole are aligned; the first angle adjustment hole 21 and the second angle adjustment hole are circular arc-shaped slide grooves; the intermediate adjustment member 4 is also provided with an angle hole 42, and the bolt passes through the first angle adjustment hole 21, the angle hole 42 on the intermediate adjustment member 4 and the second angle adjustment hole in sequence, and the bolt slides in the circular arc-shaped slide grooves of the first angle adjustment hole 21 and the second angle adjustment hole, and is fixed at different positions of the first angle adjustment hole 21 and the second angle adjustment hole by bolts, thereby realizing different angles of the intermediate adjustment member 4 relative to the upper adjustment frame.

[0038] In one embodiment of the present application, the fixed connecting frame 1 is provided with connection holes 10 of a preset number and preset distribution positions, and the fixed connecting frame 1 and the beam for mounting the fan are fixedly connected together by bolts, so that the entire fan is mounted on the beam.

[0039] In one embodiment of the present application, a mounting hole 160 is opened in the middle area of ​​the bottom cover 16, and the motor 15 includes an output shaft 152 and a shaft seat 151, and the shaft seat 151 is sleeved on the periphery of the output shaft 152, and the output shaft 152 of the motor 15 passes through the mounting hole 160 of the bottom cover 16, and the shaft seat 151 of the motor 15 is fixedly connected to the bottom cover 16.

[0040] In one embodiment of the present application, bolt holes are provided on the bottom cover 16 , and the bottom cover 16 and the shaft seat 151 of the motor 15 are fixedly connected together by bolt connection, so that the motor 15 is fixedly mounted on the bottom cover 16 .

[0041] In one embodiment of the present application, the first bracket 8 has at least one first plug-in hole 80 and at least one second plug-in hole 83, and the first plug-in hole 80 and the second plug-in hole 83 are respectively distributed at the two ends of the first bracket 8; the top cover 7 is provided with at least one first plug-in protrusion 71, and the bottom cover 16 is provided with at least one second plug-in protrusion 161, the first plug-in protrusion 71 is plugged into the first plug-in hole 80, and the second plug-in protrusion 161 is plugged into the second plug-in hole 83, so that the two ends of the first bracket 8 are respectively plugged and fixed to the top cover 7 and the bottom cover 16.

[0042] In one embodiment of the present application, the first plug-in protrusion 71 and the first plug-in hole 80 are connected by an interference fit, and the second plug-in protrusion 161 and the second plug-in hole 83 are connected by an interference fit, thereby making the connection between the first bracket 8 and the top cover 7 and the bottom cover 16 more secure.

[0043] In one embodiment of the present application, a first raised edge 81 and a second raised edge 82 are provided on the first bracket 8, and the first raised edge 81 and the second raised edge 82 extend along the same extension direction to a preset height, so that the cross section of the first bracket 8 is roughly U-shaped, and a first plugging notch (not shown in the figure) and a second plugging notch (not shown) are provided at both ends of the first raised edge 81, and a third plugging notch 820 and a fourth plugging notch 821 are provided at both ends of the second raised edge 82; at least two first plugging grooves 73 are provided at both ends of the top cover 7, At least two second plug-in grooves 162 are provided at both ends of the bottom cover 16; the first plug-in notch of the first raised edge 81 is plugged into the first plug-in groove 73, the third plug-in notch 820 of the second raised edge 82 is plugged into the first plug-in groove 73, the second plug-in notch of the first raised edge 81 is plugged into the second plug-in groove 162, and the fourth plug-in notch 821 of the second raised edge 82 is plugged into the second plug-in groove 162, so that the first bracket 8 is fixedly plugged into the top cover 7 and the bottom cover 16 respectively.

[0044] In one embodiment of the present application, the second bracket 12 has a third raised edge 121 and a fourth raised edge 122, and the third raised edge 121 and the fourth raised edge 122 extend in the same direction to a preset height, so that the cross section of the second bracket 12 is roughly U-shaped; the third raised edge 121 is provided with a fifth plugging notch 1210 and a sixth plugging notch 1211, and the fourth raised edge 122 is provided with a seventh plugging notch 1220 and an eighth plugging notch 1221; the top cover 7 is provided with at least two The third plug-in slot 74, at least two fourth plug-in slots 164 are provided on the bottom cover 16; the fifth plug-in notch 1210 and the third plug-in slot 74 are plugged together, the sixth plug-in notch 1211 and the fourth plug-in slot 164 are plugged together, the seventh plug-in notch 1220 and the third plug-in slot 74 are plugged together, and the eighth plug-in notch 1221 and the fourth plug-in slot 164 are plugged together, so that the second bracket 12 is fixedly connected to the top cover 7 and the bottom cover 16 respectively.

[0045] The motor 15 includes an output shaft 152 and a shaft seat 151, wherein the shaft seat 151 is sleeved on the periphery of the output shaft 152, and the output shaft 152 extends out of a preset length of the shaft seat 151; the conical connecting sleeve 23 has an output shaft sleeve connection hole 230 that axially penetrates the conical connecting sleeve 23; the rotating seat 17 has a connecting sleeve connection hole 170 that axially penetrates the rotating seat 17; the conical connecting sleeve 23 penetrates into the connecting sleeve connection hole 170 of the rotating seat 17, so that the conical connecting sleeve 23 and the rotating seat 17 are fixedly connected together; the output shaft 152 of the motor 15 passes through the through hole of the bottom cover 16 and is fixedly connected to the conical connecting sleeve 23, and the shaft seat 151 of the motor 15 is overlapped on the bottom cover 16, so that the motor 15 is fixedly installed on the bottom cover 16, and the motor 15 and the rotating seat 17 are fixedly connected together.

[0046] In one embodiment of the present application, the tapered connecting sleeve 23 has a first end 232 and a second end 233 , the outer diameter of the second end 233 is greater than the outer diameter of the first end 232 , and the tapered connecting sleeve 23 is in a tapered shape.

[0047] In one embodiment of the present application, the conical connecting sleeve 23 passes through the connecting sleeve sleeve hole 170 from the bottom of the connecting sleeve sleeve hole 170 of the rotating seat 17, so that the first end 232 of the conical connecting sleeve 23 is close to the top of the connecting sleeve sleeve hole 170, and the second end 233 of the conical connecting sleeve 23 is close to the bottom of the connecting sleeve sleeve hole 170. The top and bottom of the connecting sleeve sleeve hole 170 mentioned here refer to Figure 5The orientation of the rotating seat 17 is taken as the standard, the top of the rotating seat 17 is the top, and the bottom of the rotating seat 17 is the bottom.

[0048] In one embodiment of the present application, the inner diameters of the connecting sleeve sleeve hole 170 are all the same, the outer diameter of the first end 232 of the tapered connecting sleeve 23 is smaller than the inner diameter of the connecting sleeve sleeve hole 170, and the outer diameter of the second end 233 of the tapered connecting sleeve 23 is larger than the inner diameter of the connecting sleeve sleeve hole 170. The inner diameters of the connecting sleeve sleeve hole 170 described here are all the same, which means that the connecting sleeve sleeve hole 170 is cylindrical.

[0049] In one embodiment of the present application, a keyway 231 is further provided on the tapered connecting sleeve 23, and the keyway 231 is formed by extending radially from the output shaft sleeve hole 230 to a preset depth toward the inner wall of the tapered connecting sleeve 23; the output shaft 152 of the motor 15 is fixedly connected to the tapered connecting sleeve 23 by a key connection, so that the connection between the motor 15 and the tapered connecting sleeve 23 is more secure.

[0050] In one embodiment of the present application, the component further includes a double fixed connecting plate 22 , a middle region of the double fixed connecting plate 22 having a sleeve hole 220 axially extending through the double fixed connecting plate 22 , and the sleeve hole 220 is sleeved on the rotating seat 17 .

[0051] In one embodiment of the present application, the double fixed connection plate 22 is fixedly connected to the rotating seat 17 on one hand, and is fixedly connected to the bottom cover 16 by bolts on the other hand. In this way, the rotating seat 17 is fixedly connected to the electric support plate 16, and the rotating seat 17 and the motor 15 are fixedly connected together through the conical connection sleeve 23, thereby realizing the double fixed connection of the rotating seat 17, so that the rotating seat 17 is not easy to fall off.

[0052] In one embodiment of the present application, the conical connecting sleeve 23 and the rotating seat 17 are fixedly connected together by an interference fit connection, so that when the motor 15 rotates, the rotating seat 17 is synchronously driven to rotate.

[0053] In one embodiment of the present application, the rotating seat 17 includes a first section 171 and a second section 172, the first section 171 is extended upward from the second section 172, the outer diameter of the first section 171 is smaller than the outer diameter of the second section 172, and a preset number of threaded holes 1710 are arranged on the annular outer surface of the first section 171; the component also includes an intermediate connecting member 25, the intermediate connecting member 25 has a through hole 250 that penetrates the intermediate connecting member 25 along the axial direction, and the through hole 250 of the intermediate connecting member 25 is for the output shaft 152 of the motor 15 to pass through; the annular outer surface of the intermediate connecting member 25 is provided with threaded holes 251 with the same number as the threaded holes 1710 on the first section 171 of the rotating seat 17, and the intermediate connecting member 25 and the first section 171 of the rotating seat 17 are fixedly connected by bolt connection.

[0054] In one embodiment of the present application, the sleeve hole 220 of the double fixed connecting plate 22 is sleeved on the first section 171 of the rotating seat 17, and the double fixed connecting plate 22 is located between the second section 172 of the rotating seat 17 and the intermediate connecting member 25. The outer diameter of the intermediate connecting member 25 is larger than the outer diameter of the first section 171 of the rotating seat 17, so that the double fixed connecting plate 22 fixes the rotating seat 17 and the bottom cover 16 together.

[0055] In one embodiment of the present application, the assembly further includes a blade clamping ring 24, the blade clamping ring 24 has a through hole 240 that runs through the blade clamping ring 24 in the axial direction, the through hole 240 of the blade clamping ring 24 is sleeved on the first section 171 of the rotating seat 17, and the blade clamping ring 24 and the second section 172 of the rotating seat 17 are fixedly connected together by bolts. In this way, the blade 18 is fixed on the rotating seat 17 on the one hand, and is clamped by the blade clamping ring 24.

[0056] The blade clamping ring 24 and the rotating seat 17 are detachably fixed together, and the blade connecting member 27 is detachably fixedly connected to the rotating seat 17. The blade connecting member 27 is located between the blade clamping ring 24 and the rotating seat 17. The blade clamping ring 24 is used to limit the blade connecting member 27, so that the connection between the blade connecting member 27 and the rotating seat 17 is more secure.

[0057] In certain embodiments of the present application, a fixed installation groove 173 is provided on the rotating seat 17, and the fixed installation groove 173 is recessed inward from the rotating seat 17 to a preset depth. The fan blade connector 27 is fixedly installed in the fixed installation groove 173 to limit the fan blade connector 27.

[0058] In certain embodiments of the present application, the rotating seat 17 includes a first section 171 and a second section 172, the first section 171 extends upward from the second section 172 to a preset height, the outer diameter of the first section 171 is smaller than the outer diameter of the second section 172, and the fixed installation groove 173 is arranged on the second section 172.

[0059] In certain embodiments of the present application, the fixed mounting groove 173 is formed by being recessed from the outer wall of the second section 172 to a preset depth from the top to the bottom along the axial direction of the rotating seat 17, thereby forming a mounting platform 174 of a preset thickness. On the one hand, the fan blade connector 27 is clamped in the fixed mounting groove 173, and on the other hand, the fan blade connector 27 and the mounting platform 174 are fixedly connected together, so that the fan blade connector 27 is fixedly installed in the fixed mounting groove 173.

[0060] In certain embodiments of the present application, the blade clamping ring 24 has a through hole 240, and the through hole 240 is adapted to the first section 171 of the rotating seat 17. The through hole 240 of the blade clamping ring 24 is sleeved on the first section 171 of the rotating seat 17, and the blade clamping ring 24 and the second section 172 of the rotating seat 17 are fixedly connected together.

[0061] In certain embodiments of the present application, a first bolt hole 241 is provided on the blade clamping ring 24, and a second bolt hole 175 is provided on the mounting platform 174 of the rotating seat 17, and the second bolt hole 175 passes through the mounting platform 174 along a direction parallel to the axial direction of the rotating seat 17; a third bolt hole 276 is provided on the blade connecting member 27; the bolts pass through the first bolt hole 241, the second bolt hole 175 and the third bolt hole 276 to fix the blade clamping ring 24, the blade connecting member 27 and the rotating seat 17 together.

[0062] In certain embodiments of the present application, the blade connector 27 includes a blade connecting section 271 and a rotating seat connecting section 272. The blade connecting section 271 is fixedly connected to the rotating seat connecting section 272 by welding, riveting, screw / bolt connection, or bonding. The blade connecting section 271 is used to be fixed to the blade 18, and the rotating seat connecting section is fixedly installed in the fixed installation groove 173 of the rotating seat 17.

[0063] In certain embodiments of the present application, the blade connecting segment 271 has a first side 273 and a second side 274 , and the blade connecting segment 271 is obliquely connected to the rotating seat connecting segment 272 , so that the first side 173 is located obliquely above the second side 274 .

[0064] In certain embodiments of the present application, a fourth bolt hole 275 is provided on the blade connecting section 271, and the blade connecting section 271 and the blade 18 are fixedly connected together by bolt connection.

[0065] It also includes a motor connection hole cover 28 and a rotating seat cover 26. The motor connection hole cover 28 is fixed to the rotating seat 17 from below by bolting, so that the motor connection hole cover 28 seals one end of the motor connection hole 170; the rotating seat cover 26 is fixed to the rotating seat 17 from below by bolting, so that the rotating seat cover 26 wraps the bottom of the rotating seat 17, thereby achieving the purpose of sealing the bottom of the rotating seat 17.

[0066] The industrial fan that is easy to maintain provided by the present application has a simple structure, and the various components are detachably fixedly connected to each other, so that it is easy to disassemble during later repair and maintenance.

[0067] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. An industrial fan that is easy to maintain, characterized in that: It includes a motor protection cover assembly, a motor, a conical connecting sleeve, a rotating seat, a fan blade connecting piece, a fan blade, and a mounting bracket, wherein the motor protection cover assembly includes a first cover body, a second cover body, a first bracket, a second bracket, a top cover and a bottom cover, the first cover body is detachably fixedly connected to the first bracket and the second bracket respectively, the second cover body is detachably fixedly connected to the first bracket and the second bracket respectively, the two ends of the top cover are detachably fixedly connected to the first bracket and the second bracket respectively, and the two ends of the bottom cover are detachably fixedly connected to the first bracket and the second bracket respectively; the first cover body, the second cover body, the top cover and the bottom cover enclose a chamber for accommodating and fixedly mounting a fan motor; the conical connecting sleeve is fixedly connected to the rotating seat on the one hand, and is fixedly connected to the output shaft of the motor on the other hand; one end of the fan blade connecting piece is fixedly connected to the rotating seat, and the other end of the fan blade connecting piece is fixedly connected to the fan blade.

2. The industrial fan easy to maintain according to claim 1, characterized in that: The mounting bracket includes a fixed connecting frame, an upper adjustment frame, an intermediate adjustment piece, and a lower adjustment frame. The upper adjustment frame and the fixed connecting frame are fixedly connected together, the lower adjustment frame and the top cover are fixedly connected together, the upper adjustment frame and the intermediate adjustment piece are detachably connected together, and the lower adjustment frame and the intermediate adjustment piece are detachably connected together; the upper adjustment frame includes a first upper adjustment frame and a second upper adjustment frame, the first upper adjustment frame and the second upper adjustment frame have the same structure, a preset distance is provided between the first upper adjustment frame and the second upper adjustment frame, and the preset distance between the first upper adjustment frame and the second upper adjustment frame accommodates the intermediate adjustment piece.

3. The industrial fan easy to maintain according to claim 2, characterized in that: The first upper adjustment frame is provided with a first height adjustment hole, the second upper adjustment frame is provided with a second height adjustment hole, and the first height adjustment hole and the second height adjustment hole are aligned; the intermediate adjustment member is provided with a preset number of height holes distributed along the vertical direction, and the bolt passes through the first height adjustment hole, the height holes of different heights on the intermediate adjustment member and the second height adjustment hole in sequence, so that the height of the intermediate adjustment member relative to the upper adjustment frame can be adjusted; the first upper adjustment frame is also provided with a first angle adjustment hole, and the second upper adjustment frame is also provided with a second angle adjustment hole, and the first angle adjustment hole and the second angle adjustment hole are aligned; the first angle adjustment hole and the second angle adjustment hole are arc-shaped slide grooves; the intermediate adjustment member is also provided with an angle hole, and the bolt passes through the first angle adjustment hole, the angle hole on the intermediate adjustment member and the second angle adjustment hole in sequence, and the bolt slides in the arc-shaped slide grooves of the first angle adjustment hole and the second angle adjustment hole, and is fixed at different positions of the first angle adjustment hole and the second angle adjustment hole by the bolt, so as to achieve different angles of the intermediate adjustment member relative to the upper adjustment frame.

4. The industrial fan easy to maintain according to claim 1, characterized in that: The first bracket and the second bracket have the same structure. The first bracket has at least one first plug-in hole and at least one second plug-in hole, and the first plug-in hole and the second plug-in hole are respectively distributed at two ends of the first bracket; the top cover is provided with at least one first plug-in protrusion, and the bottom cover is provided with at least one second plug-in protrusion, the first plug-in protrusion is plugged into the first plug-in hole, and the second plug-in protrusion is plugged into the second plug-in hole, so that the two ends of the first bracket are respectively plugged and fixed to the top cover and the bottom cover.

5. The industrial fan easy to maintain according to claim 4, characterized in that: The first bracket is provided with a first raised edge and a second raised edge, and the first raised edge and the second raised edge extend to a preset height along the same extension direction, so that the cross-section of the first bracket is roughly U-shaped, and a first plugging notch and a second plugging notch are provided at both ends of the first raised edge, and a third plugging notch and a fourth plugging notch are provided at both ends of the second raised edge; at least two first plugging grooves are provided at both ends of the top cover, and at least two second plugging grooves are provided at both ends of the bottom cover; the first plugging notch of the first raised edge is plugged into the first plugging groove together, the third plugging notch of the second raised edge is plugged into the first plugging groove together, the second plugging notch of the first raised edge is plugged into the second plugging groove together, and the fourth plugging notch of the second raised edge is plugged into the second plugging groove together, so that the first bracket is fixedly plugged with the top cover and the bottom cover respectively.

6. The industrial fan easy to maintain according to claim 1, characterized in that: The motor comprises an output shaft and a shaft seat, wherein the shaft seat is sleeved on the periphery of the output shaft, and the output shaft extends beyond a preset length of the shaft seat; the conical connecting sleeve has an output shaft sleeve connection hole which penetrates the conical connecting sleeve along the axial direction; the rotating seat has a connecting sleeve connection hole which penetrates the rotating seat along the axial direction; the conical connecting sleeve passes through the connecting sleeve connection hole of the rotating seat, so that the conical connecting sleeve and the rotating seat are fixedly connected together; the output shaft of the motor and the conical connecting sleeve are fixedly connected together, and the shaft seat of the motor overlaps the bottom cover, so that the motor is fixedly mounted on the bottom cover, and the motor and the rotating seat are fixedly connected together.

7. The industrial fan easy to maintain according to claim 6, characterized in that: The tapered connecting sleeve has a first end and a second end, the outer diameter of the second end is larger than the outer diameter of the first end, and the tapered connecting sleeve is in a tapered shape; a keyway is also provided on the tapered connecting sleeve, and the keyway extends radially from the output shaft sleeve hole to the inner wall of the tapered connecting sleeve to a preset depth; the output shaft of the motor is fixedly connected to the tapered connecting sleeve by a key connection, so that the connection between the motor and the tapered connecting sleeve is more secure.

8. The industrial fan easy to maintain according to claim 1, characterized in that: A fixed installation groove is arranged on the rotating seat, and the rotating seat includes a first section and a second section, the first section extends upward from the second section to a preset height, the outer diameter of the first section is smaller than the outer diameter of the second section, and the fixed installation groove is arranged on the second section; it also includes a blade clamping ring, the blade clamping ring has a through hole, the through hole is adapted to the first section of the rotating seat, the through hole of the blade clamping ring is sleeved on the first section of the rotating seat, and the blade clamping ring and the second section of the rotating seat are fixedly connected together.

9. The industrial fan easy to maintain according to claim 8, characterized in that: The fan blade connecting member includes a fan blade connecting section and a rotating seat connecting section, and the fan blade connecting section is fixedly connected to the rotating seat connecting section by welding, riveting, screw / bolt connection, and bonding. The fan blade connecting section is used to be fixed together with the fan blade, and the rotating seat connecting section is fixedly installed in the fixed installation groove of the rotating seat; the fan blade connecting section has a first side and a second side, and the fan blade connecting section is obliquely connected to the rotating seat connecting section so that the first side is located obliquely above the second side.

10. The industrial fan easy to maintain according to claim 9, characterized in that: It also includes a motor connection hole cover and a rotating seat cover, wherein the motor connection hole cover is fixed to the rotating seat from below by bolts, so that the motor connection hole cover seals one end of the motor connection hole; the rotating seat cover is fixed to the rotating seat from below by bolts, so that the rotating seat cover wraps the bottom of the rotating seat, thereby achieving the purpose of sealing the bottom of the rotating seat.

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