CN209800324U - Explosion-proof type large-cabin anti-winding fan - Google Patents

Abstract

The utility model discloses a fan is prevented around in explosion-proof formula big storehouse, including the fan main part, the one end of fan main part is provided with the blast orifice, and the bottom of fan main part is connected with fixed chassis through the supporting seat, the motor is installed to one side of fan main part, and the motor is connected with the fan main part through transport mechanism, the motor cabinet is installed to the motor bottom, transport mechanism is inside to be by action wheel, belt and constitute from the driving wheel, the center department of action wheel rotates through pivot and motor to be connected, the action wheel passes through the belt and rotates from the driving wheel to be connected, rotate with the fan leaf through the rotation axis from the one end of driving wheel to be connected, the surface of motor is provided with the radiating groove. The utility model discloses an install antifriction bearing, can reduce the frictional resistance between pivot and the fan, improved the blast air efficiency of fan, the outside parcel of fan has explosion-proof shell simultaneously, possesses good guard action.

Description

Explosion-proof type large-cabin anti-winding fan

Technical Field

The utility model relates to a fan technical field specifically is a big storehouse of explosion-proof type is around fan.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a Chinese habit abbreviation for gas compression and gas conveying machinery, and the blower generally comprises a ventilator, a blower and a wind driven generator. Fans are widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and for ventilation and draught of boilers and industrial furnaces and kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grain, wind tunnel wind source and air cushion boat inflating and propelling. The main structural components of the fan are an impeller, a shell, an air inlet, a bracket, a motor, a belt pulley, a coupling, a silencer, a transmission part (a bearing) and the like. The unpowered ventilator utilizes natural wind force and air heat convection caused by indoor and outdoor temperature difference to drive the turbine to rotate, so that the hot air which is not fresh in the room is discharged by utilizing centrifugal force and negative pressure effect. The fan is related to the transmission and distribution energy consumption of the system and is a very critical part for building energy conservation. According to the years of fan detection of the national air conditioning equipment quality supervision and inspection center, the problem exists in many fans under rated working conditions, so that the fans need to be produced and manufactured strictly according to the product standard requirements.

The blast efficiency of the existing explosion-proof large-warehouse wind-proof fan is poor, and the transmission efficiency is low, so that the market urgently needs to develop a novel explosion-proof large-warehouse wind-proof fan.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof type warehouse wind-proof fan to solve the explosion-proof type warehouse wind-proof fan blast air efficiency that provides among the above-mentioned background relatively poor, the low scheduling problem of transmission efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fan is prevented around in explosion-proof formula big storehouse, includes the fan main part, the one end of fan main part is provided with the tuyere, and the bottom of fan main part is connected with fixed chassis through the supporting seat, the motor is installed to one side of fan main part, and the motor is connected with the fan main part through transport mechanism, the motor cabinet is installed to the motor bottom, transport mechanism is inside to be become by action wheel, belt and follow driving wheel, the center department of action wheel is rotated through pivot and motor and is connected, the action wheel passes through the belt and is connected with following driving wheel rotation, the one end of following driving wheel is passed through the rotation axis and is connected with the rotation of fan leaf, the surface of motor is.

Preferably, a rolling bearing is arranged at the hinged position of the rotating shaft and the fan blade.

Preferably, the rolling bearing is internally provided with balls.

preferably, a first blowing cover and a second blowing cover are respectively arranged at two ends of the fan main body.

Preferably, the first blast hood and the second blast hood are connected through a blast drum.

Preferably, an explosion-proof shell is arranged on the outer surface of the fan main body.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The rolling bearing is arranged at the hinged position of the rotating shaft and the fan blade, the rolling balls are arranged in the rolling bearing, and the rolling bearing is arranged, so that the friction resistance at the connecting position of the rotating shaft and the fan blade can be reduced, the rotating efficiency of the rotating shaft can be improved, and the blowing efficiency of the fan is improved;

(2) Fan main part outside surface mounting has explosion-proof shell, and explosion-proof shell can carry out safety protection to the outside of fan main part, possesses good explosion-proof effect, and the motor is connected with the fan main part through transport mechanism, can improve the transmission efficiency between motor and the fan main part through utilizing transport mechanism, and the motor drives the action wheel and rotates, and the action wheel passes through the belt and drives from the driving wheel and rotate to drive the fan leaf and rotate the air-blast.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

Fig. 3 is a schematic structural view of a first blower cover according to the present invention;

Fig. 4 is a schematic structural view of the rolling bearing of the present invention.

in the figure: 1. a tuyere; 2. a fan main body; 3. a transport mechanism; 4. a supporting seat; 5. fixing the underframe; 6. an electric motor; 7. a motor base; 8. a first blower hood; 9. a heat sink; 10. a rotating shaft; 11. a rolling bearing; 12. a fan blade; 13. an air blowing cylinder; 14. a second blast hood; 15. a driven wheel; 16. a driving wheel; 17. a belt; 18. and a ball.

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.

referring to fig. 1-4, the present invention provides an embodiment: an explosion-proof large-warehouse anti-winding fan comprises a fan main body 2, one end of the fan main body 2 is provided with a blast port 1, the bottom of the fan main body 2 is connected with a fixed underframe 5 through a supporting seat 4, one side of the fan main body 2 is provided with a motor 6, the motor 6 is connected with the fan main body 2 through a transmission mechanism 3, the bottom end of the motor 6 is provided with a motor base 7, the inside of the transmission mechanism 3 is composed of a driving wheel 16, a belt 17 and a driven wheel 15, the center of the driving wheel 16 is rotatably connected with the motor 6 through a rotating shaft, the driving wheel 16 is rotatably connected with the driven wheel 15 through the belt 17, one end of the driven wheel 15 is rotatably connected with a fan blade 12 through a rotating shaft 10, the transmission efficiency between the motor 6 and the fan main body 2 can be improved by utilizing the transmission mechanism 3, the motor 6 drives the driving wheel, thereby driving the fan blade 12 to rotate and blow air, and the surface of the motor 6 is provided with a heat radiating groove 9.

Further, a rolling bearing 11 is provided at a hinge joint of the rotating shaft 10 and the fan blade 12.

Further, the rolling bearing 11 is internally provided with the rolling balls 18, and the rolling bearing 11 is arranged, so that the frictional resistance at the joint of the rotating shaft 10 and the fan blade 12 can be reduced, the rotating efficiency of the rotating shaft 10 can be improved, and the blowing efficiency of the fan can be improved.

Further, both ends of the fan main body 2 are provided with a first blower cover 8 and a second blower cover 14, respectively.

Further, the first and second blower hoods 8 and 14 are connected to each other through a blower tube 13.

Further, 2 outside surface mounting of fan main part has explosion-proof shell, and explosion-proof shell can carry out safety protection to fan main part 2's outside, possesses good explosion-proof effect.

the working principle is as follows: when in use, the motor 6 is connected with the fan main body 2 through the transmission mechanism 3, the bottom end of the motor 6 is provided with the motor base 7, the center of the driving wheel 16 is rotatably connected with the motor 6 through a rotating shaft, the driving wheel 16 is rotatably connected with the driven wheel 15 through the belt 17, one end of the driven wheel 15 is rotatably connected with the fan blade 12 through the rotating shaft 10, the transmission efficiency between the motor 6 and the fan main body 2 can be improved by utilizing the transmission mechanism 3, the motor 6 drives the driving wheel 16 to rotate, the driving wheel 16 drives the driven wheel 15 to rotate through the belt 17, so as to drive the fan blade 12 to rotate and blow air, the hinge joint of the rotating shaft 10 and the fan blade 12 is provided with the rolling bearing 11, the rolling bearing 11 is arranged inside the rolling bearing 11, the friction resistance at the joint of the rotating shaft 10 and the fan blade, thereby the blast efficiency of fan has been improved, and 2 outside surface mounting of fan main part have explosion-proof shell, and explosion-proof shell can carry out safety protection to fan main part 2's outside, possesses good explosion-proof effect.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. An explosion-proof large-cabin anti-winding fan comprises a fan main body (2) and is characterized in that a blast port (1) is arranged at one end of the fan main body (2), the bottom of the fan main body (2) is connected with a fixed bottom frame (5) through a supporting seat (4), a motor (6) is installed at one side of the fan main body (2), the motor (6) is connected with the fan main body (2) through a conveying mechanism (3), a motor seat (7) is installed at the bottom end of the motor (6), the conveying mechanism (3) is internally composed of a driving wheel (16), a belt (17) and a driven wheel (15), the center of the driving wheel (16) is rotatably connected with the motor (6) through a rotating shaft, the driving wheel (16) is rotatably connected with the driven wheel (15) through the belt (17), one end of the driven wheel (15) is rotatably connected with a fan blade (12) through a rotating shaft (10), the surface of the motor (6) is provided with a heat dissipation groove (9).

2. The explosion-proof large-cabin wind-proof fan according to claim 1, characterized in that: and a rolling bearing (11) is arranged at the hinged part of the rotating shaft (10) and the fan blade (12).

3. The explosion-proof large-cabin wind-proof fan according to claim 2, characterized in that: the rolling bearing (11) is internally provided with a ball (18).

4. The explosion-proof large-cabin wind-proof fan according to claim 1, characterized in that: and a first blast cover (8) and a second blast cover (14) are respectively arranged at two ends of the fan main body (2).

5. The explosion-proof large-cabin wind-proof fan according to claim 4, characterized in that: the first blast hood (8) and the second blast hood (14) are connected through a blast cylinder (13).

6. The explosion-proof large-cabin wind-proof fan according to claim 1, characterized in that: an explosion-proof shell is arranged on the outer surface of the fan main body (2).