CN213655241U - Fastening installation device of impeller for centrifugal fan - Google Patents
Fastening installation device of impeller for centrifugal fan Download PDFInfo
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- CN213655241U CN213655241U CN202022565004.8U CN202022565004U CN213655241U CN 213655241 U CN213655241 U CN 213655241U CN 202022565004 U CN202022565004 U CN 202022565004U CN 213655241 U CN213655241 U CN 213655241U
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- impeller
- fastening
- fixedly connected
- centrifugal fan
- cylindrical block
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Abstract
The utility model provides a fastening installation device of impeller for centrifugal fan, which belongs to the technical field of fastening installation device of impeller, comprising a shell, a support frame is fixedly welded below the shell, a motor support table is fixedly welded on the right side above the support frame, a motor is fixedly arranged above the motor support table, the inner part of the shell is movably connected with the impeller, the periphery of the impeller is fixedly provided with blades which are equally distributed, the outer side of the shell is fixedly provided with an outer ring, the middle of the impeller is fixedly connected with a cylindrical block, the middle position of the cylindrical block is provided with a shaft hole, the periphery of the shaft hole is evenly provided with threaded holes, the periphery of the shaft hole is evenly provided with plate grooves, the periphery surface of the cylindrical block is provided with a gasket, the outer surface of the cylindrical block is fixedly connected with a fastening device, the stable rotation of the cylindrical block is ensured, and enough stable power, the potential safety hazard caused by the fact that the installation is unstable and is acted by axial force is avoided.
Description
Technical Field
The utility model belongs to the technical field of the fastening installation device of impeller, concretely relates to fastening installation device of impeller for centrifugal fan.
Background
The centrifugal fan is a machine which increases gas pressure and discharges gas by means of input mechanical energy, and is a driven fluid machine; centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion. With the environmental emphasis of the country, the centrifugal fan in the environmental protection field can be more widely used.
The impeller is used as an important part in the centrifugal fan and is driven to rotate by the rotating shaft, a large axial force can be generated while the impeller rotates at a high speed, the impeller of the existing centrifugal fan is generally installed by adopting an on-shaft spline to rotate the impeller, and certain hidden danger exists because the rotating shaft and the impeller are easy to be connected and drive unstably under the action of the axial force.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fastening installation device of impeller for centrifugal fan aims at solving among the prior art because the effect of axial force leads to the connection of pivot and impeller unstable and drive unstability easily, has certain hidden danger.
In order to achieve the above object, the utility model provides a following technical scheme:
a fastening installation device of an impeller for a centrifugal fan comprises a shell, a support frame is fixedly welded below the shell, a motor supporting table is fixedly welded on the right side above the supporting frame, a motor is fixedly arranged above the motor supporting table, the inner part of the shell is movably connected with an impeller, the circumferential surface of the impeller is fixed with blades which are distributed evenly, an outer ring is fixedly arranged on the outer side of the shell, a cylindrical block is fixedly connected in the middle of the impeller, the middle position of the cylindrical block is provided with a shaft hole, the periphery of the shaft hole is equicircular and is uniformly provided with threaded holes, plate grooves are uniformly arranged on the periphery of the shaft hole, a gasket is arranged on the peripheral surface of the cylindrical block, a fastening device is fixedly connected on the outer surface of the cylindrical block to ensure the cylindrical block to stably rotate, and sufficient stable power is provided for the device to ensure the device to run safely, and the potential safety hazard caused by the fact that the device is instably installed and is acted by axial force is avoided.
As an optimization of the utility model, fastening device includes mounting plate, strengthening rib, nut, stiffener and connecting block, the inside fixedly connected with mounting plate of the right side casing of impeller, the right side fixedly connected with strengthening rib of mounting plate, the left side of mounting plate is provided with the stiffener, the left side fixedly connected with connecting block of stiffener.
As an optimization of the utility model, the internal thread has been seted up to the left side inside of stiffener, threaded connection between nut through connection piece and the stiffener.
As an optimization of the utility model, the side fixedly connected with strengthening rib of mounting plate, the equal fixed connection of mounting plate and strengthening rib is in the pivot.
As a preferred, horizontal through connection has the pivot in the shaft hole, the board inslot is provided with rectangular board, four groups welded connection between rectangular board and the pivot.
As an optimization of the utility model, the output of motor is connected with the right side transmission of pivot.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the fixed impartial blade that distributes of outer periphery of impeller in the present case, the middle fixedly connected with cylinder piece of impeller, the shaft hole has been seted up in the centre of cylinder piece, it has the pivot to transversely peg graft in the shaft hole, the pivot inserts the interior drive impeller rotation of shaft hole, the cylinder piece pass through fastener install in the pivot, fastener makes the connection that the impeller can be stable in the pivot, the assurance avoids taking place the potential safety hazard because the effect of axial force when high-speed pivoted, guarantees to operate stably.
2. The fastening device comprises a fastening plate, reinforcing rods, a nut, reinforcing rods and a connecting block, wherein the left side of the fastening plate is fixedly connected with four groups of reinforcing rods which are distributed equally, the reinforcing rods are inserted in threaded holes and can provide axial force for the rotation of an impeller, meanwhile, the impeller can be installed more stably, the right side of the fastening plate is fixedly connected with the reinforcing rods, the fastening plate and the reinforcing rods are fixedly connected to a rotating shaft, the reinforcing rods ensure that the fastening plate and the rotating shaft are connected more stably, four groups of strip plates are welded equally on the outer circumferential surface of the rotating shaft and are fixedly installed in plate grooves, the rotating shaft can provide axial force for the impeller through the strip plates to drive the impeller to rotate, the impeller can be stably driven to rotate, internal threads are formed in the left side of the reinforcing rods, the nut penetrates through the connecting block to be connected with the internal threads, and the, the connecting block plays the left effect of reinforcement impeller, guarantees its steady rotation to for it provides sufficient stable power and makes its operation safety, avoid because the installation is unstable receives the effect of axial force and takes place the potential safety hazard.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of a cylindrical block of the present invention;
FIG. 3 is a schematic structural view of the fastening device of the present invention;
fig. 4 is a schematic diagram of the internal structure of the present invention.
In the figure: 1. a housing; 2. a support frame; 3. a motor support table; 31. a motor; 4. an impeller; 41. a blade; 5. an outer ring; 6. a cylindrical block; 61. a shaft hole; 62. a threaded hole; 63. a gasket; 64. a plate groove; 7. a fastening device; 71. a fastening plate; 72. reinforcing ribs; 73. a nut; 74. a reinforcing bar; 75. connecting blocks; 8. a rotating shaft; 81. a strip plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a fastening installation device of impeller for centrifugal fan, which comprises a housin 1, the fixed welding in below of casing 1 has support frame 2, the fixed welding in top right side of support frame 2 has motor supporting table 3, the fixed motor 31 that is provided with in top of motor supporting table 3, the inside swing joint of casing 1 has impeller 4, the fixed impartial distribution blade 41 of 4 periphery of impeller, the fixed outer lane 5 that is provided with in outside of casing 1, impeller 4's middle fixedly connected with cylinder piece 6, shaft hole 61 has been seted up to the intermediate position of cylinder piece 6, shaft hole 61's the equipartition all around evenly seted up screw hole 62, plate groove 64 has evenly been seted up all around of shaft hole 61, the peripheral surface of cylinder piece 6 is provided with gasket 63, the outer fixed surface of.
In this embodiment, the casing 1 can protect and support the internal impeller 4, the support frame 2 welded below the casing 1 is provided, the support frame 2 plays a role of supporting the casing 1 above, the right side above the support frame 2 is welded with the motor support 3, the motor 31 fixedly mounted on the motor support 3 plays a role of supporting the motor 31, the left side of the casing 1 is welded with the outer ring 5, the motor 31 can provide rotating power for the impeller 4 on the left side, the blades 41 are uniformly distributed on the outer circumferential surface of the impeller 4, the middle of the impeller 4 is fixedly connected with the cylindrical block 6, the middle of the cylindrical block 6 is provided with the shaft hole 61, the shaft 8 is transversely inserted into the shaft hole 61, the shaft 8 is inserted into the shaft hole 61 to drive the impeller 4 to rotate, the cylindrical block 6 is mounted on the shaft 8 through the fastening device 7, the fastening device 7 enables the impeller 4 to be stably connected on the shaft 8, the high-speed rotation is ensured, meanwhile, the potential safety hazard caused by the action of axial force is avoided, the stable operation is ensured, the fastening device 7 comprises a fastening plate 71, reinforcing ribs 72, nuts 73, reinforcing rods 74 and a connecting block 75, the left side of the fastening plate 71 is fixedly connected with four groups of reinforcing rods 74 which are distributed equally, the reinforcing rods 74 are inserted in the threaded holes 62, the reinforcing rods 74 can provide axial force for the rotation of the impeller 4 and can ensure that the impeller 4 is installed more stably, the right side of the fastening plate 71 is fixedly connected with the reinforcing ribs 72, the fastening plate 71 and the reinforcing ribs 72 are both fixedly connected on the rotating shaft 8, the reinforcing ribs 72 ensure that the fastening plate 71 and the rotating shaft 8 are connected more stably, four groups of strip plates 81 are welded equally on the outer circumferential surface of the rotating shaft 8, the strip plates 81 are fixedly installed in the plate grooves 64, and the rotating shaft 8 can provide axial, drive impeller 4 that can be stable rotates, and the internal thread has been seted up to the left side inside of stiffener 74, and nut 73 runs through connecting block 75 and internal thread threaded connection, and connecting block 75 has played the left effect of reinforcing impeller 4, guarantees its steady rotation to for it provides sufficient stable power and makes its operation safety, avoid because the installation unstability receives the effect of axial force and take place the potential safety hazard.
Specifically, referring to fig. 2 and 4, the fastening device 7 includes a fastening plate 71, a reinforcing rib 72, a nut 73, a reinforcing rod 74 and a connecting block 75, the fastening plate 71 is fixedly connected to the inside of the right casing 1 of the impeller 4, the reinforcing rib 72 is fixedly connected to the right side of the fastening plate 71, the reinforcing rod 74 is arranged on the left side of the fastening plate 71, and the connecting block 75 is fixedly connected to the left side of the reinforcing rod 74.
In this embodiment: the fastening device 7 that sets up has been installed on pivot 8 for cylinder piece 6, and fastening device 7 makes the connection that impeller 4 can be stable on pivot 8, guarantees to avoid taking place the potential safety hazard because the effect of axial force when high-speed pivoted.
Specifically, referring to fig. 4, an internal thread is formed inside the left side of the reinforcing rod 74, and the nut 73 penetrates through the connecting block 75 and is in threaded connection with the reinforcing rod 74.
In this embodiment: internal threads are formed in the left side of the reinforcing rod 74, the nut 73 penetrates through the connecting block 75 to be in threaded connection with the internal threads, and the connecting block 75 plays a role in reinforcing the left side of the impeller 4, so that stable rotation of the impeller is guaranteed, and sufficient stable power is provided for the impeller to enable the impeller to run safely.
Specifically, referring to fig. 4, the side surface of the fastening plate 71 is fixedly connected with a reinforcing rib 72, and both the fastening plate 71 and the reinforcing rib 72 are fixedly connected to the rotating shaft 8.
In this embodiment: the right side fixedly connected with strengthening rib 72 of mounting plate 71, the equal fixed connection of mounting plate 71 and strengthening rib 72 is on pivot 8, and strengthening rib 72 guarantees that the connection of mounting plate 71 and pivot 8 is more stable.
Specifically, referring to fig. 3, the shaft hole 61 is transversely connected with the rotating shaft 8 in a penetrating manner, the plate groove 64 is provided with long strips 81, and the four groups of long strips 81 are connected with the rotating shaft 8 in a welding manner.
In this embodiment: four sets of long laths 81 are equally welded on the outer circumferential surface of the rotating shaft 8, the long laths 81 are fixedly installed in the plate grooves 64, the rotating shaft 8 can provide axial force for the impeller 4 through the long laths 81 to drive the rotation of the impeller 4, and the impeller 4 can be stably driven to rotate.
Specifically, referring to fig. 1 and 4, the output end of the motor 31 is in transmission connection with the right side of the rotating shaft 8.
In this embodiment: the motor 31 is fixedly mounted on the motor supporting table 3, the motor 31 is used for supporting the motor 31, the height of the motor supporting table 3 is equal to the height of the rotating shaft 8, and the motor 31 can provide rotating power for the left impeller 4 and drive the impeller 4 to rotate stably.
The utility model discloses a theory of operation and use flow: when the fastening installation device of the impeller for the centrifugal fan is used, the shell 1 can protect and support the inner impeller 4, the support frame 2 welded below the shell 1 is arranged, the support frame 2 plays a role of supporting the shell 1 above, the right side above the support frame 2 is welded with the motor support table 3, the motor 31 fixedly arranged on the motor support table 3 plays a role of supporting the motor 31, the left side of the shell 1 is welded with the outer ring 5, the motor 31 can provide rotating power for the impeller 4 on the left side, the outer circumferential surface of the impeller 4 is fixedly provided with the blades 41 which are distributed evenly, the middle of the impeller 4 is fixedly connected with the cylindrical block 6, the middle of the cylindrical block 6 is provided with the shaft hole 61, the shaft 8 is transversely inserted in the shaft hole 61, the shaft 8 is inserted into the shaft hole 61 to drive the impeller 4 to rotate, the cylindrical block 6 is arranged on the shaft 8 through the fastening device 7, the fastening device 7 enables the impeller 4 to, the high-speed rotation is ensured, meanwhile, the potential safety hazard caused by the action of axial force is avoided, the stable operation is ensured, the fastening device 7 comprises a fastening plate 71, reinforcing ribs 72, nuts 73, reinforcing rods 74 and a connecting block 75, the left side of the fastening plate 71 is fixedly connected with four groups of reinforcing rods 74 which are distributed equally, the reinforcing rods 74 are inserted in the threaded holes 62, the reinforcing rods 74 can provide axial force for the rotation of the impeller 4 and can ensure that the impeller 4 is installed more stably, the right side of the fastening plate 71 is fixedly connected with the reinforcing ribs 72, the fastening plate 71 and the reinforcing ribs 72 are both fixedly connected on the rotating shaft 8, the reinforcing ribs 72 ensure that the fastening plate 71 and the rotating shaft 8 are connected more stably, four groups of strip plates 81 are welded equally on the outer circumferential surface of the rotating shaft 8, the strip plates 81 are fixedly installed in the plate grooves 64, and the rotating shaft 8 can provide axial, drive impeller 4 that can be stable rotates, the inside internal thread of seting up in left side of stiffener 74, nut 73 run through connecting block 75 and internal thread threaded connection, cause wearing and tearing when gasket 63 can prevent to connect between the subassembly, connecting block 75 has played the left effect of consolidating impeller 4, guarantees its steady rotation to for it provides sufficient stable power and makes its operation safety, avoid receiving the effect of axial force and taking place the potential safety hazard owing to the installation is unstable.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a fastening installation device of impeller for centrifugal fan, includes casing (1), its characterized in that: a support frame (2) is fixedly welded below the shell (1), a motor support table (3) is fixedly welded on the right side above the support frame (2), a motor (31) is fixedly arranged above the motor supporting table (3), an impeller (4) is movably connected inside the shell (1), the blade wheel (4) is fixed with blades (41) distributed evenly on the circumferential surface, the outer ring (5) is fixed on the outer side of the shell (1), the middle of the impeller (4) is fixedly connected with a cylindrical block (6), the middle position of the cylindrical block (6) is provided with a shaft hole (61), threaded holes (62) are uniformly formed in the periphery of the shaft hole (61) in an equal circle, plate grooves (64) are uniformly formed in the periphery of the shaft hole (61), the periphery surface of the cylindrical block (6) is provided with a gasket (63), and the outer surface of the cylindrical block (6) is fixedly connected with a fastening device (7).
2. The device for fastening and mounting an impeller for a centrifugal fan according to claim 1, wherein: fastener (7) include mounting plate (71), strengthening rib (72), nut (73), stiffener (74) and connecting block (75), inside fixedly connected with mounting plate (71) of right side casing (1) of impeller (4), the right side fixedly connected with strengthening rib (72) of mounting plate (71), the left side of mounting plate (71) is provided with stiffener (74), the left side fixedly connected with connecting block (75) of stiffener (74).
3. The device for fastening and mounting an impeller for a centrifugal fan according to claim 2, wherein: internal threads are formed in the left side of the reinforcing rod (74), and the nut (73) penetrates through the connecting block (75) and is in threaded connection with the reinforcing rod (74).
4. The device for fastening and mounting an impeller for a centrifugal fan according to claim 2, wherein: the side fixedly connected with strengthening rib (72) of mounting plate (71), mounting plate (71) and strengthening rib (72) are all fixed connection on pivot (8).
5. The device for fastening and mounting an impeller for a centrifugal fan according to claim 1, wherein: transversely run through in shaft hole (61) and be connected with pivot (8), be provided with rectangular board (81), four groups in board groove (64) welded connection between rectangular board (81) and pivot (8).
6. The device for fastening and mounting an impeller for a centrifugal fan according to claim 1, wherein: the output end of the motor (31) is in transmission connection with the right side of the rotating shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022565004.8U CN213655241U (en) | 2020-11-09 | 2020-11-09 | Fastening installation device of impeller for centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022565004.8U CN213655241U (en) | 2020-11-09 | 2020-11-09 | Fastening installation device of impeller for centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213655241U true CN213655241U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022565004.8U Active CN213655241U (en) | 2020-11-09 | 2020-11-09 | Fastening installation device of impeller for centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213655241U (en) |
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2020
- 2020-11-09 CN CN202022565004.8U patent/CN213655241U/en active Active
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