CN217470790U

CN217470790U - Single-pipe fan capable of automatically cleaning ventilation holes

Info

Publication number: CN217470790U
Application number: CN202221678329.XU
Authority: CN
Inventors: 谢光荣; 刘洋; 邹云新
Original assignee: Hubei Dachu Agricultural Technology Co ltd
Current assignee: Hubei Dachu Agricultural Technology Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-09-23
Anticipated expiration: 2032-07-01

Abstract

The utility model relates to a can clear up single tube fan in ventilation hole automatically belongs to grain storage facilities technical field. It comprises the aspiration channel, the gas-supply pipe, the assembly plate, driving motor, suction fan and clearance mechanism, driving motor adorns admittedly on the assembly plate, driving motor's transmission shaft extends to the assembly plate bottom, the transmission shaft end that extends to the assembly plate bottom is provided with clearance mechanism, be provided with communicating pipe on the assembly plate in the clearance mechanism outside, communicating pipe passes through gas-supply pipe and aspiration channel intercommunication, the inner wall swing joint of clearance mechanism and aspiration channel, the suction fan is adorned admittedly on the assembly plate of driving motor one side, suction fan passes through hose and communicating pipe intercommunication. The inner wall of the gas transmission pipe is cleaned through the steel wire brush, so that grains clamped with the vent holes are loosened or fall off; the problem of the grain that size and ventilation hole are close blocks the ventilation hole gradually, lead to the efficiency of induced drafting to reduce, ventilation effect in the granary reduces, and clear stifled work is wasted time and energy is solved.

Description

Single-pipe fan capable of automatically cleaning ventilation holes

Technical Field

The utility model relates to a can clear up single tube fan in ventilation hole automatically belongs to grain storage facilities technical field.

Background

When grains are stored, the grains on the upper portion are good in ventilation and cooling effects, but due to the accumulation effect, the grains on the middle lower portion are prone to generating heat and being affected with damp, and the grains are high in moisture and even mildewed.

When the existing single-pipe fan is inserted into a grain stack for use, along with the increase of working time, the vent hole at the bottom of the single-pipe fan can be gradually clamped by grain particles with the sizes close to those of the vent hole, so that the air suction efficiency of the single-pipe fan is reduced, the ventilation effect in a grain bin is reduced, the single-pipe fan can be usually only taken out of the grain stack, then the vent hole is cleared, and after blockage clearing is completed, the single-pipe fan is inserted into the grain stack again, so that time and labor are wasted, and therefore, the single-pipe fan is necessary to be improved.

Disclosure of Invention

The utility model aims to provide a: the utility model provides a simple structure, convenient to use is convenient for clear up by the ventilation hole that grain blocked, effectively improves the efficiency of induced drafting to solve current single tube fan in the use, the size blocks the ventilation hole gradually with the grain that the ventilation hole is close, leads to induced drafting efficiency to reduce, and ventilation effect in the granary reduces, but the automatic cleaning ventilation hole's of the problem that wastes time and energy of the work of dredging up single tube fan.

The utility model provides a but single tube fan in automatic clearance ventilation hole, it comprises aspiration channel, gas-supply pipe, assembly plate, driving motor, suction fan and clearance mechanism, its characterized in that: driving motor adorns admittedly on the assembly plate, driving motor's transmission shaft extends to the assembly plate bottom, and the transmission shaft end that extends to the assembly plate bottom is provided with clearance mechanism, is provided with communicating pipe on the assembly plate in the clearance mechanism outside, and communicating pipe passes through gas-supply pipe and aspiration channel intercommunication, the inner wall swing joint of clearance mechanism and aspiration channel, is equipped with the suction fan on the assembly plate of driving motor one side admittedly, and the suction fan passes through hose and communicating pipe intercommunication.

The cleaning mechanism is composed of a transmission screw rod, a screw rod nut, a connecting rod and a steel brush, the screw rod nut is installed on the transmission screw rod in a threaded mode, the connecting rod is evenly distributed on the outer circumference of the screw rod nut, and the steel brush is fixedly installed at the end of the connecting rod.

The steel wire brush is annular, and the inner diameter of the steel wire brush is larger than the outer diameter of the screw rod nut.

The end of the transmission screw rod is provided with a limiting block, and the diameter of the limiting block is larger than the inner diameter of the screw rod nut and smaller than the inner diameter of the steel wire brush.

And sliding grooves are symmetrically arranged on the outer circumference of the screw rod nut.

The circumference of aspiration channel on the equipartition have the ventilation hole, the aspiration channel end is provided with the tip, the aspiration channel inside between ventilation hole and the tip is provided with the baffle.

And the inner wall of the gas transmission pipe is provided with a sliding block corresponding to the sliding groove.

The utility model has the advantages that:

the single-pipe fan capable of automatically cleaning the vent hole enables the steel brush to axially move along the transmission screw rod in the air delivery pipe through the matching of the driving motor, the transmission screw rod and the screw rod nut, and cleans the inner wall of the air delivery pipe through the steel brush, so that grains clamped with the vent hole are loosened or fall off; the suction fan can suck loose or fallen grains out of the air conveying pipe, the air suction efficiency is effectively improved, and the problems that the air suction efficiency is reduced, the ventilation effect in a granary is reduced, and the time and the labor are wasted in the blockage cleaning work due to the fact that the air suction hole is gradually blocked by the grains with the sizes close to the air suction hole in the use process of the existing single-pipe fan are solved.

Drawings

FIG. 1 is a schematic view of the present invention;

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

fig. 3 is a schematic structural view of the cleaning mechanism of the present invention.

In the figure: 1. a drive motor; 2. a suction fan; 3. assembling a plate; 4. a communicating pipe; 5. a transmission screw rod; 6. a feed screw nut; 7. a connecting rod; 8. a wire brush; 9. a limiting block; 10. a slider; 11. a chute; 12. a gas delivery pipe; 13. an air suction pipe; 14. a vent hole; 15. a partition plate; 16. a controller; 17. and a wind pressure sensor.

Detailed Description

The single-pipe fan capable of automatically cleaning the vent hole comprises a driving motor 1, a suction fan 2, an assembly plate 3, an air suction pipe 13, an air delivery pipe 12 and a cleaning mechanism, wherein the driving motor 1 is fixedly arranged on the assembly plate 3, a transmission shaft of the driving motor 1 extends to the bottom of the assembly plate 3, the end of the transmission shaft extending to the bottom of the assembly plate 3 is provided with the cleaning mechanism, the cleaning mechanism comprises a transmission lead screw 5, a lead screw nut 6, a connecting rod 7 and a steel wire brush 8, the transmission shaft is connected with the transmission lead screw 5 through a coupler, the lead screw nut 6 is arranged on the transmission lead screw 5 in a threaded manner, the end of the transmission lead screw 5 is provided with a limit block 9, the diameter of the limit block 9 is larger than the inner diameter of the lead screw nut 6, the limit block 9 forms axial limit on the lead screw nut 6, the limit block 9 is provided with a displacement sensor (SJ-H084C), and the distance between the lead screw nut 6 and the limit block 9 can be monitored through the displacement sensor, the damage caused by the fact that the transmission screw rod 5 continues to rotate after the screw rod nut 6 is contacted with the limiting block 9 is avoided.

The outer circumference of the screw nut 6 is symmetrically provided with sliding grooves 11, the screw nuts 6 on two sides of the sliding grooves 11 are evenly provided with connecting rods 7, the length of each connecting rod 7 is equal to that of the corresponding air suction pipe 13, a steel wire brush 8 is fixedly mounted at the end of each connecting rod 7, each steel wire brush 8 is annular, the upper end face of each steel wire brush 8 is fixedly connected with the end of each connecting rod 7, and the inner diameter of each steel wire brush 8 is larger than the diameter of the corresponding limiting block 9 so as to ensure that the steel wire brushes 8 cannot interfere with the transmission screw rods 5.

Be provided with communicating pipe 4 on the assembly plate 3 in the 5 outsides of transmission lead screw, 4 bottom threads of communicating pipe install gas-supply pipe 12, are provided with the slider 10 that corresponds with spout 11 on the inner wall of gas-supply pipe 12, and slider 10 has direction and limiting displacement to screw nut 6, and gas-supply pipe 12 and screw nut 6 pass through spout 11 and slider 10's cooperation sliding connection.

An air suction pipe 13 is arranged at the bottom end of the air delivery pipe 12 in a threaded manner, the steel wire brush 8 is movably connected with the inner wall of the air suction pipe 13 in an abutting manner, vent holes 14 are uniformly distributed on the circumference of the air suction pipe 13, the grain stack is induced by the air vent 14, the tip of the air suction pipe 13 is provided with a tip which is used for being conveniently inserted into the grain stack, a partition plate 15 is arranged inside the air suction pipe 13 between the air vent 14 and the tip, the partition plate 15 blocks the gap between the tip and the air suction pipe 13, and after grains with the size smaller than that of the air vent 14 enter the air suction pipe 13 from the air vent 14, the deposit is in the tip department under self action of gravity, is not convenient for take out, and during operation, screw-nut 6 takes place to remove along transmission lead screw 5 under the mating reaction of spout 11 and slider 10, and wire brush 8 takes place synchronous motion in aspiration channel 13, makes wire brush 8 clear up ventilation hole 14 of aspiration channel 13 to make the grain of card on ventilation hole 14 not hard up or drop.

Fixed mounting has suction fan 2 on the assembly panel 3 of driving motor 1 one side, suction fan 2 passes through hose and communicating pipe 4 intercommunication, carry out the suction effect to suction pipe 13 through suction fan 2, make the air in the grain heap pass through ventilation hole 14, aspiration channel 13, gas-supply pipe 12, communicating pipe 4 and suction fan 2 discharge, suction fan 2's air outlet department is provided with wind pressure sensor 17 (the model is XGZP 6897D), be provided with controller 16 (the model is GD32F130C8T 6) on the assembly panel 3 of driving motor 1 opposite side, controller 16 is connected with driving motor 1 and wind pressure sensor 17 electricity respectively, control driving motor 1 respectively through controller 16, wind pressure sensor 17 and displacement sensor are orderly emergence action in proper order.

This single tube fan during operation starts suction fan 2 earlier and will carry out the suction to the air in the grain heap, and at the in-process that uses, ventilation hole 14 is blocked the back by grain gradually, and the wind pressure of 2 air outlets of suction fan reduces, monitors the wind pressure through the wind pressure sensor 17 of air outlet department, and after the wind pressure of air outlet department was less than the setting value, wind pressure sensor 17 was with signal transmission to controller 16.

After the controller 16 receives the signal, the driving motor 1 is controlled to start working, the driving motor 1 drives the transmission screw 5 to rotate through the transmission shaft, the slide block 10 forms circumferential limit on the screw nut 6, the screw nut 6 descends along the transmission screw 5, the steel wire brush 8 descends synchronously, meanwhile, the displacement sensor monitors the distance between the screw nut 6 and the limit block 9 of the transmission screw 5, when the screw nut 6 moves to be in contact with the limit block 9, the displacement sensor transmits the signal to the controller 16, the controller 16 controls the driving motor 1 to rotate reversely, the screw nut 6 ascends along the transmission screw 5, the steel wire brush 8 ascends synchronously, the steel wire brush 8 cleans the vent hole 14 on the air suction pipe 13 in the descending and ascending processes, the grains blocking the vent hole 14 through the steel wire brush 8 are loosened or fall off, in the process, the suction fan 2 works continuously, so that loosened or fallen grains are sucked out under the suction action.

According to the wind pressure of wind pressure sensor 17 monitoring air outlet department, when the wind pressure is being less than the setting value, controller 16 passes through driving motor 1 and the cooperation of transmission lead screw 5, make steel brush 8 go up and down repeatedly, clear up ventilation hole 14, detect after the wind pressure resumes to be higher than the setting value when wind pressure sensor 17, with signal transmission to controller 16, after controller 16 received the signal, make screw-nut 6 reset, monitor screw-nut 6 through displacement sensor, after screw-nut 6 resets, controller 16 control driving motor 1 stop work, therefore, the automatic cleaning work of ventilation hole 14 is accomplished.

The single-pipe fan is convenient to use, the steel brush 8 axially moves in the air delivery pipe 12 along the transmission screw rod 5 through the matching of the driving motor 1, the transmission screw rod 5 and the screw rod nut 6, the inner wall of the air delivery pipe 12 is cleaned through the steel brush 8, and grains clamped with the vent holes 14 are loosened or fall off; suction in the grain that will become flexible or drop from the gas-supply pipe 12 through suction fan 2 effectively improves the efficiency of induced drafting, has solved current single tube fan in the use, and the grain that the size is close to with ventilation hole 14 blocks ventilation hole 14 gradually, leads to the efficiency of induced drafting to reduce, and ventilation effect in the granary reduces, and the problem that the work of dredging up wastes time and energy is cleared up.

Claims

1. The utility model provides a but single tube fan of automatic clearance ventilation hole, it comprises aspiration channel (13), gas-supply pipe (12), assembly plate (3), driving motor (1), suction fan (2) and clearance mechanism, its characterized in that: driving motor (1) is adorned admittedly on assembly plate (3), the transmission shaft of driving motor (1) extends to assembly plate (3) bottom, the transmission shaft end that extends to assembly plate (3) bottom is provided with clearance mechanism, be provided with communicating pipe (4) on assembly plate (3) in the clearance mechanism outside, communicating pipe (4) are through gas-supply pipe (12) and aspiration channel (13) intercommunication, the inner wall swing joint of clearance mechanism and aspiration channel (13), be equipped with suction fan (2) on assembly plate (3) of driving motor (1) one side admittedly, suction fan (2) are through hose and communicating pipe (4) intercommunication.

2. The single-pipe fan capable of automatically cleaning the ventilation holes according to claim 1, wherein: the cleaning mechanism is composed of a transmission screw rod (5), a screw nut (6), a connecting rod (7) and a steel brush (8), the screw nut (6) is installed on the transmission screw rod (5) in a threaded mode, the connecting rod (7) is evenly distributed on the outer circumference of the screw nut (6), and the steel brush (8) is fixedly installed at the end of the connecting rod (7).

3. The single-pipe fan capable of automatically cleaning the vent holes according to claim 2, wherein: the steel wire brush (8) is annular, and the inner diameter of the steel wire brush (8) is larger than the outer diameter of the screw rod nut (6).

4. The single-pipe fan capable of automatically cleaning the vent holes according to claim 2, wherein: the end of the transmission screw rod (5) is provided with a limiting block (9), and the diameter of the limiting block (9) is larger than the inner diameter of the screw rod nut (6) and smaller than the inner diameter of the wire brush (8).

5. The single-pipe fan capable of automatically cleaning the ventilation holes according to claim 2, wherein: and sliding grooves (11) are symmetrically arranged on the outer circumference of the screw rod nut (6).

6. The single-pipe fan capable of automatically cleaning the ventilation holes according to claim 1, wherein: the circumference of aspiration channel (13) on the equipartition have ventilation hole (14), aspiration channel (13) end is provided with the tip, aspiration channel (13) inside between ventilation hole (14) and the tip is provided with baffle (15).

7. The single-pipe fan capable of automatically cleaning the ventilation holes according to claim 1, wherein: the inner wall of the air conveying pipe (12) is provided with a sliding block (10) corresponding to the sliding groove (11).