CN210738945U - Large-scale centrifugal fan fixing device - Google Patents
Large-scale centrifugal fan fixing device Download PDFInfo
- Publication number
- CN210738945U CN210738945U CN201921201013.XU CN201921201013U CN210738945U CN 210738945 U CN210738945 U CN 210738945U CN 201921201013 U CN201921201013 U CN 201921201013U CN 210738945 U CN210738945 U CN 210738945U
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- China
- Prior art keywords
- centrifugal fan
- mounting panel
- gear
- fixing device
- mounting
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Abstract
The utility model aims at solving the difficult problem of current large-scale centrifugal fan poor stability, disclose a large-scale centrifugal fan fixing device, including first fastening screw, first sleeve pipe, first link, first coil spring, first mounting panel, first leading truck, the first lantern ring, kicking block, second coil spring, slide bar, rotary drum, first gear, first pivot, the second lantern ring, second leading truck, second link, rocking handle, third coil spring, go-between, second gear, second pivot, chain, second sleeve pipe, second fastening screw and second mounting panel. The utility model discloses the second coil spring of the different elasticity of rational utilization, and then can make the kicking block press from both sides tightly the centrifugal fan of different thickness models for the base that the device constitutes carries out the outrigger to large-scale centrifugal fan, and reasonable in design, and convenient operation accords with the social demand.
Description
Technical Field
The utility model relates to a centrifugal fan field especially relates to a large-scale centrifugal fan fixing device.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. 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.
For the demand of work, there are more occasions to need to use large-scale centrifugal fan, large-scale centrifugal fan is provided with the landing leg in the bottom, because its during operation vibrations are great, can cause the unstability of support equally, also somebody's turn to large-scale centrifugal fan bottom installation base, be difficult for installing, need select the base of suitable model to install according to large-scale centrifugal fan's model, it is more troublesome, bring the influence to large-scale centrifugal fan's fixed, therefore, need design a large-scale centrifugal fan fixing device and solve prior art's not enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the deficiencies of the prior art and providing a large-scale centrifugal fan fixing device.
The utility model discloses a realize through following technical scheme:
a large-scale centrifugal fan fixing device comprises a first mounting plate and a second mounting plate, wherein a first guide frame and a second guide frame are fixedly mounted on the outer side surfaces of the first mounting plate and the second mounting plate respectively, a first lantern ring is sleeved on the surface of the first guide frame, a first connecting frame is fixedly mounted on the surface of the first lantern ring, a second lantern ring is sleeved on the surface of the second guide frame, a second connecting frame is fixedly mounted on the surface of the second lantern ring, a first sleeve is connected between the first connecting frames, a first fastening screw is mounted between the first sleeve and the first connecting frame, a second sleeve is mounted between the second connecting frames, a second fastening screw is mounted between the second sleeve and the second connecting frames, a first spiral spring is fixedly mounted between the first mounting plate and the first connecting frame and between the second mounting plate and the second connecting frame respectively, and a third spiral spring is fixedly mounted between the first mounting plate and the second connecting frame respectively, first mounting panel and second mounting panel surface mid-mounting have first pivot, first pivot fixed surface installs the rotary drum, second coil spring is evenly installed to the rotary drum side, the inside cover of second coil spring is equipped with the slide bar, slide bar outer end fixed mounting has the kicking block, first pivot surface outer end fixed mounting has first gear, the second pivot is installed to first mounting panel and second mounting panel surface downside, second pivot fixed surface installs the second gear, the chain has been cup jointed between first gear and the second gear, second pivot surface outer end fixed mounting has the go-between, go-between side fixed mounting has the rocking handle.
As the preferred technical scheme of the utility model, first pivot respectively with first mounting panel and second mounting panel between install the bearing.
As the preferred technical scheme of the utility model, the groove that supplies slide bar sliding fit is evenly seted up to the rotary drum side.
As a preferred embodiment of the present invention, the elastic force of the second coil spring of the drum circumference increases in sequence.
As the preferred technical scheme of the utility model, first gear and second gear mesh with the chain respectively.
As the utility model discloses a preferred technical scheme, the second pivot respectively with go-between and second gear fixed connection, the second pivot respectively with first mounting panel and second mounting panel between install the bearing.
As the preferred technical scheme of the utility model, first link and second link are L type structure.
As the preferred technical scheme of the utility model, first lantern ring and second lantern ring respectively with first leading truck and second leading truck sliding fit.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model can clamp the large centrifugal fan by the ejector block through the sliding of the slide bar along with the rotation of the rotary drum by setting the second spiral spring to different elastic forces, thereby facilitating the clamping of the centrifugal fans with different thicknesses through the sliding of the slide bar, and can lead the operator to rotate the rotary drum simultaneously through the arrangement of the chain and the cooperation of the rocking handle, thereby better realizing the clamping of the centrifugal fan, the operation is more convenient, the first connecting frame and the second connecting frame can be separated through the arrangement of the first sleeve and the second sleeve, the device is more easily sleeved outside the large centrifugal fan, thereby leading the device to form a base, stably supporting the large centrifugal fan and improving the stability of the centrifugal fan, the utility model reasonably utilizes the second spiral spring with different elastic forces, thereby leading the ejector block to clamp the centrifugal fans with different thicknesses, the base that makes the device constitute carries out the stable stay to large-scale centrifugal fan, and reasonable in design, convenient operation accords with the social demand.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the device comprises a first fastening screw, 2, a first sleeve, 3, a first connecting frame, 4, a first spiral spring, 5, a first mounting plate, 6, a first guide frame, 7, a first lantern ring, 8, a top block, 9, a second spiral spring, 10, a sliding rod, 11, a rotary drum, 12, a first gear, 13, a first rotary shaft, 14, a second lantern ring, 15, a second guide frame, 16, a second connecting frame, 17, a rocking handle, 18, a third spiral spring, 19, a connecting ring, 20, a second gear, 21, a second rotary shaft, 22, a chain, 23, a second sleeve, 24, a second fastening screw, 25 and a second mounting 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.
Referring to fig. 1, the present invention provides a technical solution:
a large-scale centrifugal fan fixing device comprises a first mounting plate 5 and a second mounting plate 25, wherein a first guide frame 6 and a second guide frame 15 are fixedly mounted on the outer side surfaces of the first mounting plate 5 and the second mounting plate 25 respectively, a first sleeve ring 7 is sleeved on the surface of the first guide frame 6, a first connecting frame 3 is fixedly mounted on the surface of the first sleeve ring 7, a second sleeve ring 14 is sleeved on the surface of the second guide frame 15, a second connecting frame 16 is fixedly mounted on the surface of the second sleeve ring 14, a first sleeve 2 is connected between the first connecting frames 3, a first fastening screw 1 is mounted between the first sleeve 2 and the first connecting frame 3, a second sleeve 23 is mounted between the second connecting frames 16, a second fastening screw 24 is mounted between the second sleeve 23 and the second connecting frame 16, a first spiral spring 4 is fixedly mounted between the first mounting plate 5 and the first connecting frame 3 and between the second mounting plate 25 respectively, a third helical spring 18 is fixedly arranged between the first mounting plate 5 and the second mounting plate 25 and the second connecting frame 16 respectively, the first mounting plate 5 and the second mounting plate 25 are provided with a first rotating shaft 13 in the surface middle part, the rotating shaft 13 is fixedly provided with a rotating drum 11 on the surface, the side surface of the rotary drum 11 is uniformly provided with a second spiral spring 9, a slide rod 10 is sleeved in the second spiral spring 9, the outer end of the slide bar 10 is fixedly provided with a top block 8, the outer end of the surface of the first rotating shaft 13 is fixedly provided with a first gear 12, the lower sides of the surfaces of the first mounting plate 5 and the second mounting plate 25 are provided with a second rotating shaft 21, the surface of the second rotating shaft 21 is fixedly provided with a second gear 20, a chain 22 is sleeved between the first gear 12 and the second gear 20, a connecting ring 19 is fixedly mounted at the outer end of the surface of the second rotating shaft 21, and a rocking handle 17 is fixedly mounted on the side surface of the connecting ring 19.
Bearings are respectively arranged between the first rotating shaft 13 and the first mounting plate 5 and the second mounting plate 25.
The side surface of the rotary drum 11 is uniformly provided with grooves for the sliding fit of the sliding rods 10.
The elastic force of the second coil spring 9 of the circumference of the drum 11 increases in sequence.
The first gear 12 and the second gear 20 are respectively engaged with a chain 22.
The second rotating shaft 21 is fixedly connected with the connecting ring 19 and the second gear 20, and bearings are arranged between the second rotating shaft 21 and the first mounting plate 5 and the second mounting plate 25.
The first connecting frame 3 and the second connecting frame 16 are of L-shaped structures.
The first collar 7 and the second collar 14 are slidably fitted with the first guide frame 6 and the second guide frame 15, respectively.
The working principle is as follows: when the large centrifugal fan needs to be fixed and clamped, firstly, the first fastening screw 1 and the second fastening screw 24 are loosened, the first connecting frame 3 and the second connecting frame 16 are separated from each other, then the device is clamped at the bottom of the centrifugal fan, the first connecting frame 3 and the second connecting frame 16 are connected through the first sleeve 2 and the second sleeve 23, the first fastening screw 1 and the second fastening screw 24 are screwed, the rotating drum 11 is respectively positioned at two sides of the large centrifugal fan at the moment, so that the top block 8 is in surface contact with the large centrifugal fan, a user rotates the two rocking handles 17, further the second rotating shafts 21 on the first mounting plate 5 and the second mounting plate 25 are respectively driven to rotate, the first rotating shaft 13 is driven to rotate through the meshing of the first gear 12 and the second gear 20 with the chain 22, the rotating drum 11 is driven to rotate, and the elasticity of the second spiral spring 9 is different, along with the rotation to rotary drum 11, can change gradually with kicking block 8 of large-scale centrifugal fan contact to centrifugal fan's thrust size, when unable pivoted rocking handle 17, just prove that the elasticity size of corresponding second helical spring 9 this moment is suitable, and the clamp to large-scale centrifugal fan is realized through the device to form a base, carry out the outrigger to large-scale centrifugal fan.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a large-scale centrifugal fan fixing device, includes first mounting panel (5) and second mounting panel (25), its characterized in that: first mounting panel (5) and second mounting panel (25) lateral surface equal fixed mounting have first leading truck (6) and second leading truck (15), first leading truck (6) surface cover is equipped with first lantern ring (7), first lantern ring (7) fixed surface installs first link (3), second leading truck (15) surface cover is equipped with the second lantern ring (14), second lantern ring (14) fixed surface installs second link (16), be connected with first sleeve pipe (2) between first link (3), install first fastening screw (1) between first sleeve pipe (2) and first link (3), install second sleeve pipe (23) between second link (16), install second fastening screw (24) between second sleeve pipe (23) and second link (16), first mounting panel (5) and second mounting panel (25) respectively with first link (3) between the fixed ann Be equipped with first coil spring (4), first mounting panel (5) and second mounting panel (25) respectively with second link (16) between fixed mounting have third coil spring (18), first mounting panel (5) and second mounting panel (25) surface mid-mounting have first pivot (13), first pivot (13) surface fixed mounting have rotary drum (11), second coil spring (9) are evenly installed to rotary drum (11) side, the inside cover of second coil spring (9) is equipped with slide bar (10), slide bar (10) outer end fixed mounting has kicking block (8), first pivot (13) surface outer end fixed mounting has first gear (12), second pivot (21) are installed to first mounting panel (5) and second mounting panel (25) surface downside, second pivot (21) surface fixed mounting has second gear (20), a chain (22) is sleeved between the first gear (12) and the second gear (20), a connecting ring (19) is fixedly mounted at the outer end of the surface of the second rotating shaft (21), and a rocking handle (17) is fixedly mounted on the side surface of the connecting ring (19).
2. A large centrifugal fan fixing device according to claim 1, characterised in that: and bearings are respectively arranged between the first rotating shaft (13) and the first mounting plate (5) and between the first rotating shaft and the second mounting plate (25).
3. A large centrifugal fan fixing device according to claim 1, characterised in that: the side surface of the rotary drum (11) is uniformly provided with grooves for the sliding fit of the sliding rods (10).
4. A large centrifugal fan fixing device according to claim 1, characterised in that: the elasticity of the second spiral spring (9) on the circumference of the rotary drum (11) is increased in sequence.
5. A large centrifugal fan fixing device according to claim 1, characterised in that: the first gear (12) and the second gear (20) are respectively meshed with a chain (22).
6. A large centrifugal fan fixing device according to claim 1, characterised in that: the second rotating shaft (21) is respectively and fixedly connected with the connecting ring (19) and the second gear (20), and bearings are respectively arranged between the second rotating shaft (21) and the first mounting plate (5) and the second mounting plate (25).
7. A large centrifugal fan fixing device according to claim 1, characterised in that: the first connecting frame (3) and the second connecting frame (16) are of L-shaped structures.
8. A large centrifugal fan fixing device according to claim 1, characterised in that: the first lantern ring (7) and the second lantern ring (14) are in sliding fit with the first guide frame (6) and the second guide frame (15) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201013.XU CN210738945U (en) | 2019-07-26 | 2019-07-26 | Large-scale centrifugal fan fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201013.XU CN210738945U (en) | 2019-07-26 | 2019-07-26 | Large-scale centrifugal fan fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210738945U true CN210738945U (en) | 2020-06-12 |
Family
ID=71006389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921201013.XU Expired - Fee Related CN210738945U (en) | 2019-07-26 | 2019-07-26 | Large-scale centrifugal fan fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210738945U (en) |
-
2019
- 2019-07-26 CN CN201921201013.XU patent/CN210738945U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20210726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |