CN210265203U - Centrifugal fire-fighting smoke exhaust fan - Google Patents
Centrifugal fire-fighting smoke exhaust fan Download PDFInfo
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- CN210265203U CN210265203U CN201921028710.XU CN201921028710U CN210265203U CN 210265203 U CN210265203 U CN 210265203U CN 201921028710 U CN201921028710 U CN 201921028710U CN 210265203 U CN210265203 U CN 210265203U
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- motor
- slide rail
- fan
- screw rod
- belt pulley
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Abstract
The utility model discloses a centrifugal fire control smoke exhaust fan, including installing inside spiral case, the motor that is equipped with the impeller on the base, the impeller hookup has the optical axis that has fan belt pulley, has the motor pulley that passes through the belt hookup with fan belt pulley in the axis of rotation of motor, motor bottom rigid coupling has the motor cabinet, installs the slide rail frame including two slide rails on the base, and the motor cabinet is laid on the slide rail, is equipped with the fluting along the axial on the slide rail, and the screw passes the fluting and is connected with the motor cabinet, rotate on the slide rail frame and be connected with the screw rod parallel with the slide rail, the motor cabinet back has set firmly and is connected complex screw rod nut with the screw rod, the input of screw rod is connected with drive. The utility model provides a centrifugal fan, the simple and convenient installation that carries out the belt between the belt pulley of ability, the adjustment is nimble laborsaving, moves safe in utilization.
Description
Technical Field
The utility model relates to a centrifugal fire control smoke exhaust fan belongs to fan technical field.
Background
A centrifugal smoke-discharging fan for fire-fighting is a main equipment used in ventilation system and smoke-discharging system, it is a machine which can raise gas pressure and can discharge gas by means of input mechanical energy, it is a driven fluid machine, it can be extensively used in ventilation, dust-discharging, smoke-discharging and cooling of factory, mine, tunnel and market building, and its existent centrifugal smoke-discharging fan is formed from machine shell, main shaft, impeller, bearing driving mechanism and motor, in which the driving mechanism is formed from optical shaft, bearing box, rolling bearing and belt wheel, and the belt wheel includes motor belt wheel mounted on the rotating shaft of motor and fan belt wheel mounted on the optical shaft for driving impeller to rotate, and the motor belt wheel and fan belt wheel are connected by means of belt transmission, in order to prevent belt from slipping, the belt between motor belt wheel and fan belt wheel must be in tight state, and the difficulty of worker in mounting is large, The time consumption is long, the efficiency is low, and the abrasion of the belt and the belt pulley is caused due to different technical proficiency degrees of operators.
Disclosure of Invention
The utility model aims to solve the technical problem that a centrifugal fire control smoke exhaust fan is provided, its installation that makes things convenient for the belt between the belt pulley, labour saving and time saving can solve the not enough of prior art.
The technical scheme of the utility model is that: a centrifugal fire-fighting smoke exhaust fan, which comprises a volute and a motor, wherein the volute is arranged on a base, the impeller is arranged inside the volute, the impeller is connected with an optical axis with a fan belt pulley, a rotating shaft of the motor is provided with a motor belt pulley connected with the fan belt pulley through a belt, the bottom of the motor is fixedly connected with a motor base, a sliding rail frame comprising two sliding rails is arranged on the base, the motor base is arranged on the sliding rails, a groove is axially arranged on the sliding rails, a screw passes through the groove and is connected with the motor base, the slide rail frame is rotatably connected with a screw rod parallel to the slide rail, the back of the motor base is fixedly provided with a screw rod nut which is connected and matched with the screw rod, the input of screw rod is connected with drive arrangement, and drive arrangement drives the screw rod rotatory, and the motor passes through the screw rod nut along slide rail removal along with the motor cabinet, adjusts the distance between motor pulley and the fan belt pulley, makes things convenient for the installation of belt.
Furthermore, the driving device comprises a transmission case fixed on the base, the output end of the transmission case and the screw rod are respectively provided with a turning gear which is meshed with each other, and the input end of the transmission case is connected with a rotating wheel. The turning gear set is convenient and flexible to install the position of the rotating wheel, and meanwhile, the speed and the torque can be changed through the transmission case, so that the operation is convenient.
Further the outside of two slide rails is equipped with the baffle respectively, and motor cabinet both sides are spacing between the baffle. The motor is further limited, so that the motor moves according to a limited track.
Further the cover is equipped with the protection casing on fan belt pulley, motor pulley and the belt, and the protection casing bottom is provided with the support, support detachably connects on the base. Because of the fan when operation fan belt pulley, motor pulley and belt all are in high-speed running state, easily cause serious destruction if touch foreign object, set up the protection casing externally, can effectively protect.
Further, the air outlet of the volute is provided with a louver. When the fan operates, the louver is blown open by the air outlet, and when the fan stops, the louver is automatically opened and closed, so that foreign matters are prevented from falling into the fan.
To sum up, the utility model provides a centrifugal fire control smoke exhaust fan, the simple and convenient installation that carries out the belt between the belt pulley of ability, the adjustment is nimble laborsaving, moves safe in utilization.
Drawings
Fig. 1 is a rear view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a perspective view of the present invention.
Shown in the figure: a base 1; an impeller 2; a volute 3; a motor 4; an optical axis 5; a fan pulley 6; a motor pulley 7; a belt 8; a motor base 9; a slide rail 10; slotting 11; a screw 12; a screw nut 13; a rail frame 14; a change gear 15; a transmission case 16; a runner 17; a bracket 18; a baffle plate 19; a protective cover 20; a louver 21; a support 22.
Detailed Description
The embodiment of the utility model provides a: as shown in fig. 1 to 3, a centrifugal fire-fighting smoke exhaust fan, including the spiral case 3 installed on the base 1 and inside of which is equipped with the impeller 2, the motor 4, the impeller 2 is connected with the optical axis 5 with the fan belt pulley 6, the motor 4 has the motor belt pulley 7 connected with the fan belt pulley 6 through the belt 8 in the rotation axis, the motor 4 bottom is fixedly connected with the motor base 9, the base 1 is installed with the slide rail frame 14 including two slide rails 10, the motor base 9 is laid on the slide rail 10, the slide rail 10 is equipped with the fluting 11 along the axial, the screw passes the fluting 11 and is connected with the motor base 9, the slide rail frame 14 is connected with the screw rod 12 parallel to the slide rail 10 in a rotating manner, the motor base 9 back is fixedly equipped with the screw nut 13 connected with the screw rod 12, the input. During the installation, the screw is unscrewed, and drive arrangement drives screw rod 12 rotatory, and motor 4 passes through screw nut 13 along slide rail 10 removal along with motor cabinet 9, makes the distance between motor pulley 7 and the fan belt pulley 6 be close, makes things convenient for the installation of belt 8, installs on belt 8, and drive arrangement drives screw rod 1 reversal, and the distance between motor pulley 7 and the fan belt pulley 6 is kept away from, makes belt 8 tighten, then fixes motor cabinet 9 on slide rail 10 through the screw tightening.
The preferred driving device of this embodiment includes a support 18 fixed on the base 1, a transmission case 16 is installed on the support 18, a direction changing gear 15 engaged with the output end of the transmission case 16 and the screw 12 are respectively arranged on the output end and the screw 12, and a rotating wheel 17 is connected to the input end of the transmission case 16. The arrangement of the direction-changing gear set 15 facilitates and flexibly installs the positions of the transmission case 16 and the rotating wheel 17, and meanwhile, the speed and the torque can be changed through the transmission case 16, so that the operation is convenient.
The outer sides of the two preferential slide rails 10 of the embodiment are respectively provided with a baffle 19, and two sides of the motor base 9 are limited between the baffles 19. Further limit the motor 4, so that the motor 4 moves according to a limited track.
The preferred fan belt pulley 6, the motor belt pulley 7 and the belt 8 of this embodiment are sleeved with a protective cover 20, the bottom of the protective cover 20 is provided with a support 22, and the support 22 is detachably connected to the base 1. Because of the fan when operation fan belt pulley 6, motor pulley 7 and belt 8 all are in high-speed running state, if touch the foreign object and easily cause serious damage, set up protection casing 20 externally, can effectively protect.
The outlet of the preferred volute 3 of this embodiment is provided with louvers 21. When the fan operates, the louver 21 is blown open by the outlet air, and when the fan stops, the louver 21 is automatically opened and closed, so that foreign matters are prevented from falling into the fan.
Claims (5)
1. The utility model provides a centrifugal fire control smoke exhaust fan, is equipped with the spiral case, the motor of impeller including installing inside on the base, the impeller hookup has the optical axis that has fan belt pulley, has the motor belt pulley that passes through the belt hookup with fan belt pulley in the axis of rotation of motor, its characterized in that: the motor bottom rigid coupling has the motor cabinet, installs the slide rail frame including two slide rails on the base, and the motor cabinet is laid on the slide rail, is equipped with the fluting along the axial on the slide rail, and the screw passes the fluting and is connected with the motor cabinet, it is connected with the screw rod parallel with the slide rail to rotate on the slide rail frame, and the motor cabinet back sets firmly is connected with the screw rod nut of being connected the complex with the screw rod, the input of screw rod is connected with drive arrangement.
2. The centrifugal fire and smoke exhaust fan of claim 1, wherein: the driving device comprises a transmission case fixed on the base, the output end of the transmission case and the screw rod are respectively provided with a turning gear which is meshed with each other, and the input end of the transmission case is connected with a rotating wheel.
3. The centrifugal fire and smoke exhaust fan of claim 1, wherein: the outer sides of the two sliding rails are respectively provided with a baffle, and two sides of the motor base are limited between the baffles.
4. The centrifugal fire and smoke exhaust fan of claim 1, wherein: the protective cover is sleeved on the fan belt pulley, the motor belt pulley and the belt, a support is arranged at the bottom of the protective cover, and the support is detachably connected to the base.
5. The centrifugal fire and smoke exhaust fan of claim 1, wherein: the air outlet of the volute is provided with a louver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921028710.XU CN210265203U (en) | 2019-07-04 | 2019-07-04 | Centrifugal fire-fighting smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921028710.XU CN210265203U (en) | 2019-07-04 | 2019-07-04 | Centrifugal fire-fighting smoke exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210265203U true CN210265203U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921028710.XU Active CN210265203U (en) | 2019-07-04 | 2019-07-04 | Centrifugal fire-fighting smoke exhaust fan |
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| Country | Link |
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| CN (1) | CN210265203U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570107A (en) * | 2020-05-09 | 2020-08-25 | 南京玛格耐特智能科技有限公司 | Special gas-saving nozzle structure for ash cleaning device |
| CN117072469A (en) * | 2023-09-05 | 2023-11-17 | 苏州顶裕节能设备有限公司 | Centrifugal ventilator with oil bath type connecting bearing and method |
-
2019
- 2019-07-04 CN CN201921028710.XU patent/CN210265203U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570107A (en) * | 2020-05-09 | 2020-08-25 | 南京玛格耐特智能科技有限公司 | Special gas-saving nozzle structure for ash cleaning device |
| CN117072469A (en) * | 2023-09-05 | 2023-11-17 | 苏州顶裕节能设备有限公司 | Centrifugal ventilator with oil bath type connecting bearing and method |
| CN117072469B (en) * | 2023-09-05 | 2024-03-12 | 苏州顶裕节能设备有限公司 | Centrifugal ventilator with oil bath type connecting bearing and method |
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