CN213511266U - Axial-flow type fire-fighting smoke exhaust fan - Google Patents
Axial-flow type fire-fighting smoke exhaust fan Download PDFInfo
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- CN213511266U CN213511266U CN202021848900.9U CN202021848900U CN213511266U CN 213511266 U CN213511266 U CN 213511266U CN 202021848900 U CN202021848900 U CN 202021848900U CN 213511266 U CN213511266 U CN 213511266U
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- smoke exhaust
- exhaust fan
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- barrel
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Abstract
The utility model relates to a fire control smoke exhaust fan technical field, in particular to axial-flow type fire control smoke exhaust fan. Including base, barrel, brace table, bearing frame, pivot, blade, motor, drive mechanism, the brace table is located in the barrel, the bearing frame is located on the brace table, the pivot is passed and rotatable installs in the bearing frame, the blade is equipped with two sets ofly, and two sets of blades are installed respectively in the pivot both ends, the motor is installed on the base and is located the barrel outside, the motor extends to in the barrel through drive mechanism and is connected with the pivot to it is rotatory to drive the pivot. The structure of the external motor avoids the motor from blocking the airflow in the cylinder, so that a motor with higher power can be selected to improve the rotating speed of the blade; adopt two blade structure, improved this smoke exhaust fan's wind pressure, it is more rapid high-efficient to discharge fume.
Description
Technical Field
The utility model relates to a fire control smoke exhaust fan technical field, in particular to axial-flow type fire control smoke exhaust fan.
Background
The smoke exhaust fan is a common device in fire fighting equipment, and can quickly exhaust peculiar smell, oil smoke, harmful gases and the like in a building space. The smoke exhaust fan for fire protection is used for quickly exhausting smoke in an environment in a fire disaster, so that the smoke exhaust fan needs high smoke exhaust amount, due to the limitation of the inner diameter size of the cylinder body, the smoke exhaust amount is limited by increasing the size of the blades, the smoke exhaust amount is generally increased by increasing the rotating speed, the higher the rotating speed is, the larger the required motor power is, the larger the size of the motor is, the larger the motor power of the axial flow fan is, the motor power is usually arranged in the cylinder body, the larger the motor power can block passing air flow, and the mode of improving the smoke exhaust amount by improving the motor power also has bottleneck limitation.
SUMMERY OF THE UTILITY MODEL
For overcoming the deficiencies in the prior art, the utility model provides an axial-flow type fire-fighting smoke exhaust fan with large air volume and high air pressure.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an axial-flow type fire control smoke exhaust fan, includes base, barrel, on the base was located to the barrel, its characterized in that: still include brace table, bearing frame, pivot, blade, motor, drive mechanism, in the barrel was located to the brace table, the bearing frame was located on the brace table, the pivot is passed and rotatable installation in the bearing frame, the blade is equipped with two sets ofly, and two sets of blades are installed respectively in the pivot both ends, the motor is installed on the base and is located the barrel outside, the motor extends to in the barrel through drive mechanism and is connected with the pivot to it is rotatory to drive the pivot.
Furthermore, a first yielding hole is formed in the barrel, a second yielding hole corresponding to the first yielding hole is formed in the supporting table, the transmission mechanism comprises a first belt pulley, a second belt pulley and a belt, the first belt pulley is sleeved on the motor, the second belt pulley is sleeved on the rotating shaft, and the belt penetrates through the first yielding hole and the second yielding hole to be wound on the first belt pulley and the second belt pulley.
Further, the bearing frame is equipped with two, and two bearing frames coaxial arrangement respectively in the second hole both sides of stepping down, the pivot passes two bearing frame installations, the second belt pulley is installed in the pivot between two bearing frames.
Furthermore, a plurality of wheel grooves are formed in the first belt pulley and the second belt pulley, and a plurality of belts are correspondingly arranged in the wheel grooves respectively.
Further, the base includes side direction support frame, horizontal backup pad, the side direction support frame is equipped with two, and horizontal backup pad is located between the both sides side direction support frame and is connected the both sides to the support frame, the barrel is located both sides and is to support frame upper portion, the motor is installed in horizontal backup pad.
Furthermore, two transverse supporting plates are arranged, the motor is installed on one transverse supporting plate, and a balancing weight is arranged on the other transverse supporting plate.
Furthermore, the bottoms of the two transverse supporting plates are respectively provided with an installation edge which protrudes outwards.
Furthermore, the openings at the two ends of the cylinder body are respectively provided with a detachable protective net cover.
From the above description of the present invention, compared with the prior art, the axial-flow type fire-fighting smoke exhaust fan provided by the present invention avoids the blocking of the air flow in the cylinder by the motor through the structure of the external motor, and further, a more powerful motor can be selected to increase the rotating speed of the blades; the double-blade structure is adopted, so that the air pressure of the smoke exhaust fan is improved, and smoke exhaust is quicker and more efficient; the whole gravity center position of the smoke exhaust fan can be improved by arranging the balancing weight, the balance degree during working is improved, vibration is reduced, and the working noise of equipment is effectively reduced.
Drawings
Fig. 1 is the utility model relates to an axial-flow type fire control smoke exhaust fan schematic structure.
Fig. 2 is the utility model discloses an axial-flow type fire control smoke exhaust fan sectional structure schematic diagram.
Fig. 3 is a schematic view of the fitting structure of the components in the cylinder of the present invention.
The labels in the figure correspond to the following: 1. the bearing seat comprises a base, 11 lateral support frames, 12 transverse support plates, 13 balancing weights, 14 mounting edges, 2 cylinder bodies, 21 first yielding holes, 22 protective mesh covers, 3 support tables, 31 second yielding holes, 4 bearing seats, 5 rotating shafts, 6 blades, 7 motors, 8 transmission mechanisms, 81 first belt pulleys, 82 second belt pulleys and 83 belts.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Referring to fig. 1 to 3, an axial-flow type fire-fighting smoke exhaust fan comprises a base 1, a cylinder 2, a support table 3, a bearing seat 4, a rotating shaft 5, blades 6, a motor 7 and a transmission mechanism 8.
On base 1 was located to barrel 2, in barrel 2 was located to brace table 3, on brace table 3 was located to bearing frame 4, pivot 5 passed and rotatable installation in bearing frame 4, and blade 6 is equipped with two sets ofly, and two sets of blades 6 are installed respectively in 5 both ends of pivot, and motor 7 is installed on base 1 and is located the barrel 2 outside, and motor 7 extends to being connected with pivot 5 in barrel 2 through drive mechanism 8 to it is rotatory to drive pivot 5. The barrel 2 is provided with a first abdicating hole 21, the support table 3 is provided with a second abdicating hole 31 corresponding to the position of the first abdicating hole 21, the transmission mechanism 8 comprises a first belt pulley 81, a second belt pulley 82 and a belt 83, the first belt pulley 81 is sleeved on the motor 7, the second belt pulley 82 is sleeved on the rotating shaft 5, and the belt 83 passes through the first abdicating hole 21 and the second abdicating hole 31 and is wound on the first belt pulley 81 and the second belt pulley 82. The first pulley 81 and the second pulley 82 are provided with a plurality of pulley grooves, and the belt 83 is correspondingly provided with a plurality of belts respectively arranged in the pulley grooves. The bearing blocks 4 are two, the two bearing blocks 4 are coaxially arranged on two sides of the second yielding hole 31 respectively, the rotating shaft 5 penetrates through the two bearing blocks 4 to be installed, and the second belt pulley 82 is installed on the rotating shaft 5 between the two bearing blocks 4. The openings at the two ends of the cylinder body 2 are respectively provided with a detachable protective net cover 22.
Base 1 includes side direction support frame 11, horizontal backup pad 12, and side direction support frame 11 is equipped with two, and horizontal backup pad 12 is located both sides and is connected both sides to support frame 11 between the support frame 11, and barrel 2 is located both sides and to support frame 11 upper portion, and horizontal backup pad 12 is equipped with two, and motor 7 is installed on one of them horizontal backup pad 12, is equipped with balancing weight 13 on another horizontal backup pad 12. The bottom parts of the two transverse supporting plates 12 are respectively provided with mounting edges 14 which protrude outwards.
The working principle of the axial-flow type fire-fighting smoke exhaust fan is as follows:
the motor 7 is arranged outside the cylinder 2, so that the motor 7 is prevented from blocking the flow of airflow in the cylinder 2, a large-size high-power motor can be selected, the high-power motor can be adopted to increase the rotating speed of the blades 6, and the exhaust air volume of the smoke exhaust fan is increased; the rotating shaft 5 is arranged in the cylinder body 2 through the two bearing seats 4, and the size of the bearing seats 5 is obviously reduced relative to that of the motor 7, so that the obstruction of airflow through the cylinder body 2 is small, the loss is reduced, and the energy consumption ratio of equipment is improved; two ends of the rotating shaft 5 are respectively provided with a blade 6, the rotating shaft 5 drives the two blades 6 to synchronously rotate when rotating, and the double blades 6 are matched to improve the wind pressure of the smoke exhaust fan, so that the smoke exhaust fan can bear larger air pressure load, and the smoke exhaust is quicker and more efficient; the motor 7 is arranged on one transverse supporting plate 12 of the base 1, and the other transverse supporting plate 12 is provided with a balancing weight 13, so that the overall gravity center position of the smoke exhaust fan can be improved by the balancing weight, the balance degree during working is improved, vibration is reduced, and the working noise of the equipment is effectively reduced.
The above-mentioned only be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and all utilize this design right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (8)
1. The utility model provides an axial-flow type fire control smoke exhaust fan, includes base, barrel, on the base was located to the barrel, its characterized in that: still include brace table, bearing frame, pivot, blade, motor, drive mechanism, in the barrel was located to the brace table, the bearing frame was located on the brace table, the pivot is passed and rotatable installation in the bearing frame, the blade is equipped with two sets ofly, and two sets of blades are installed respectively in the pivot both ends, the motor is installed on the base and is located the barrel outside, the motor extends to in the barrel through drive mechanism and is connected with the pivot to it is rotatory to drive the pivot.
2. The axial-flow type fire-fighting smoke exhaust fan according to claim 1, characterized in that: the barrel is provided with a first abdicating hole, the support table is provided with a second abdicating hole corresponding to the first abdicating hole, the transmission mechanism comprises a first belt pulley, a second belt pulley and a belt, the first belt pulley is sleeved on the motor, the second belt pulley is sleeved on the rotating shaft, and the belt passes through the first abdicating hole and the second abdicating hole and is wound on the first belt pulley and the second belt pulley.
3. The axial-flow type fire-fighting smoke exhaust fan according to claim 2, characterized in that: the bearing frame is equipped with two, and two bearing frames coaxial arrangement respectively in second hole both sides of stepping down, the installation of two bearing frames is passed in the pivot, the second belt pulley is installed in the pivot between two bearing frames.
4. The axial-flow type fire-fighting smoke exhaust fan according to claim 2, characterized in that: the first belt pulley and the second belt pulley are provided with a plurality of pulley grooves, and the belts are correspondingly provided with a plurality of belts which are respectively arranged in the pulley grooves.
5. The axial-flow type fire-fighting smoke exhaust fan according to claim 1, characterized in that: the base includes side direction support frame, horizontal backup pad, the side direction support frame is equipped with two, and horizontal backup pad is located between the both sides side direction support frame and is connected the both sides to the support frame, the barrel is located both sides and is to support frame upper portion, the motor is installed in horizontal backup pad.
6. The axial-flow type fire-fighting smoke exhaust fan according to claim 5, wherein: the motor is installed on one of the horizontal supporting plates, and the other horizontal supporting plate is provided with a balancing weight.
7. The axial-flow type fire-fighting smoke exhaust fan according to claim 5, wherein: the bottoms of the two transverse supporting plates are respectively provided with an installation edge which protrudes outwards.
8. The axial-flow type fire-fighting smoke exhaust fan according to claim 1, characterized in that: the openings at the two ends of the barrel body are respectively provided with a detachable protective net cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021848900.9U CN213511266U (en) | 2020-08-28 | 2020-08-28 | Axial-flow type fire-fighting smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021848900.9U CN213511266U (en) | 2020-08-28 | 2020-08-28 | Axial-flow type fire-fighting smoke exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213511266U true CN213511266U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021848900.9U Active CN213511266U (en) | 2020-08-28 | 2020-08-28 | Axial-flow type fire-fighting smoke exhaust fan |
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| Country | Link |
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| CN (1) | CN213511266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464499A (en) * | 2021-08-06 | 2021-10-01 | 唐中强 | Smoke exhaust fan with high safety performance |
-
2020
- 2020-08-28 CN CN202021848900.9U patent/CN213511266U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464499A (en) * | 2021-08-06 | 2021-10-01 | 唐中强 | Smoke exhaust fan with high safety performance |
| CN113464499B (en) * | 2021-08-06 | 2024-01-30 | 德州尚龙环境科技有限公司 | High security performance's exhaust fan |
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