CN211635609U

CN211635609U - Back-blowing dust removal device

Info

Publication number: CN211635609U
Application number: CN201922358801.6U
Authority: CN
Inventors: 赵奎国
Original assignee: Tongling Longshun Environmental Protection Equipment Co ltd
Current assignee: Tongling Longshun Environmental Protection Equipment Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-09
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a back-blowing dust removal device, which relates to the dust removal field, and comprises a motor, the motor is fixedly connected above the fan, and the output shaft of the motor is connected with the transmission shaft transmission of the fan, the fan both sides are respectively communicated with a first air pipe and a second air pipe, the end parts of the first air pipe and the second air pipe are both connected with a steering joint, the other end of the steering joint is connected with an ash box through a third air pipe, a filter element is arranged in the ash box, the side surface of the ash box is communicated with a dust absorption pipe; freely switching the connection between the third air pipe and the first air pipe and the connection between the third air pipe and the second air pipe; and the air pipe automatically returns to be connected with the first air pipe under the action of the tension of the spring.

Description

Back-blowing dust removal device

Technical Field

The utility model relates to a dust removal field especially relates to a back-blowing dust collector.

Background

In road maintenance, because need expand the work such as seam, clear seam to the road, in the maintenance process, can cause dust to fly upward on the road unavoidably, produce great influence to road environment, use dust collecting equipment among the prior art in road maintenance, filter the polluted air that contains a large amount of dusts that produces in the road maintenance process through dust collecting equipment, common equipment is the dust remover, the dust remover is obtained clean air after filtering in inhaling filter equipment with the polluted air by fan rotation production negative pressure.

But because filter equipment causes the influence to the permeability of self in the time of filtration air among the dust collecting equipment, need take off the clearance with filter equipment among the prior art in order to keep filter equipment's permeability, it is comparatively laborious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back-blowing dust collector to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the utility model provides a back-blowing dust collector, includes the motor, motor fixed connection is in the fan top, and the output shaft of motor is connected with the transmission shaft transmission of fan, the fan both sides communicate respectively has first tuber pipe, second tuber pipe, first tuber pipe, second tuber pipe tip all with turn to articulate, the turn to articulate other end is connected with the ash bin through advancing the third tuber pipe, ash bin inside is equipped with the filter core, ash bin side and dust absorption pipe intercommunication.

Preferably, the steering joint comprises a connecting disc fixedly connected with the first air pipe and the second air pipe, the connecting disc is connected with a pipe joint in a sliding mode, the pipe joint is fixedly connected with a connecting sleeve, and the connecting sleeve is rotatably connected with the third air pipe.

Preferably, the end part of the third air pipe is communicated with the top end of the ash discharging box.

Preferably, the pipe joint is connected with a connecting plate at the end part of the connecting plate through an extension spring.

Preferably, a filter element is fixed at the top in the ash discharging box and comprises a plurality of layers of filter screens.

Preferably, the dust suction pipe is connected to a side surface of the filter element of the lower dust box.

The utility model has the advantages that:

the utility model discloses in, at first connect first tuber pipe, second tuber pipe respectively in fan both sides, when the fan rotates, produce negative pressure, malleation in first tuber pipe, the second tuber pipe respectively, and at first tuber pipe, second tuber pipe end connection steering joint, can switch the third tuber pipe with being connected between first tuber pipe, the second tuber pipe respectively, thereby can realize through the mode of rotating steering joint that the third tuber pipe is intraductal to blow in the positive direction, the opposite direction, blow to the filter core is reverse, make the dust attached to the filter screen drop, keep the permeability of filter core; secondly, a connecting disc in the steering joint is in sliding connection with a pipe joint, so that the connection between the third air pipe and the first air pipe and the connection between the third air pipe and the second air pipe can be freely switched; and finally, the steering joint is connected with a connecting plate fixed on the connecting plate through a spring, so that the pipe joint automatically returns to be connected with the first air pipe under the action of the tension of the spring after rotating to be connected with the second air pipe.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a schematic perspective view of the connection pad of the present invention;

reference numerals: 1. a motor; 2. a fan; 3. a pulley; 4. a belt; 5. a fan shaft; 6. a first air duct; 7. a second air duct; 8. a connecting disc; 9. a connecting plate; 10. a spring; 11. a third air duct; 12. connecting sleeves; 13. a pipe joint; 14. discharging an ash box; 15. a dust collection pipe; 16. a filter element; 17. filtering with a screen; 18. a fan blade.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, a back-blowing dust-removing device comprises a motor 1 or an internal combustion engine, the motor 1 is fixedly connected above a fan 2, and the output shaft of the motor 1 is in transmission connection with the transmission shaft of the fan 2, two sides of the fan 2 are respectively communicated with a first air pipe 6 and a second air pipe 7, the end parts of the first air pipe 6 and the second air pipe 7 are both connected with a steering joint, the other end of the steering joint is connected with an ash box through a third air pipe 11, a filter element 16 is arranged in the ash box, the side surface of the ash box is communicated with a dust collection pipe 15, the steering joint comprises a connecting disc 8 fixedly connected with the first air pipe 6 and the second air pipe 7, the connecting disc 8 is in sliding connection with a pipe joint 13, the pipe joint 13 is fixedly connected with a connecting sleeve 12, the connecting sleeve 12 is in rotating connection with the third air pipe 11, the end part of the third air pipe 11 is communicated with the top end of a lower ash box 14.

When dust is sucked, the motor 1 rotates to drive the fan shaft 5 which is in transmission connection with the fan 2 through the belt wheel 3 and the belt 4 to rotate in the fan 2, air pressures on two sides of the fan blade 18 positioned in the fan 2 are respectively in positive pressure and negative pressure states, the first air pipe 6 is communicated with the negative pressure side of the fan 2, the second air pipe 7 is communicated with the positive pressure side of the fan 2 and is respectively connected with the first air pipe 6 and the second air pipe 7 through the connecting disc 8, when the pipe joint 13 in the steering joint in sliding connection with the connecting disc 8 is connected with the first air pipe 6, the first air pipe 6 and the lower dust box 14 connected with the pipe joint 13 through the connecting sleeve 12 and the third air pipe 11 are in the negative pressure state, so that an air suction pipe connected with the side surface of the lower dust box 14 can suck air from the outside to the inside, air flows through the filter element 16 in the lower dust box 14, dust is filtered by the filter element 16, the first air pipe 6 enters the fan 2 and is discharged by the second air pipe 7, so that the filtering function is realized, when the amount of dust accumulated on the filter element 16 is large, the permeability of the filter element 16 is influenced, so that the filtering effect is influenced, the steering joint is rotated at the moment, the third air pipe 11 and the connecting sleeve 12 are relatively rotated, the pipe joint 13 fixedly connected with the connecting sleeve 12 is rotated relative to the connecting disc 8 until the pipe joint 13 is communicated with the second air pipe 7, then the fan 2 sucks clean air by the first air pipe 6 and discharges the air by the second air pipe 7, the air discharged by the fan 2 sequentially passes through the second air pipe 7, the pipe joint 13 and the third air pipe 11 and then enters the dust discharging box 14 to reversely blow the filter element 16, so that the dust attached to the filter element 16 falls off, so that the permeability of the filter element 16 is kept, after the reverse blowing is finished, the steering joint is loosened, the spring 10 connected with the connecting plate 9 releases elastic, the pipe joint 13 is communicated with the first air pipe 6 again, and the dust collection operation can be continued.

Example 2

As shown in fig. 1-3, a back-blowing dust removing device comprises a motor 1, the motor 1 is fixedly connected above a fan 2, an output shaft of the motor 1 is in transmission connection with a transmission shaft of the fan 2, two sides of the fan 2 are respectively communicated with a first air pipe 6 and a second air pipe 7, ends of the first air pipe 6 and the second air pipe 7 are both connected with a steering joint, the other end of the steering joint is connected with an ash box through a third air pipe 11, a filter element 16 is arranged inside the ash box, the side surface of the ash box is communicated with a dust suction pipe 15, a filter element 16 is fixed at the top inside of the lower ash box 14, the filter element 16 comprises a multilayer filter screen 17, and the dust suction pipe 15 is connected to the side surface of.

The filter element 16 formed by the linear arrangement of the multiple layers of filter screens 17 has a good filtering effect, the dust suction pipe 15 is connected to the side surface of the filter element 16 on the lower dust box 14, so that air sucked by the dust suction pipe 15 can be filtered by the filter element 16, the filter element 16 is arranged at the top of the lower dust box 14, and dust filtered by the filter element 16 can naturally settle to the bottom of the lower dust box 14 under the action of gravity, so that the centralized treatment is facilitated.

The working principle is as follows: when the utility model is used, the dust suction pipe 15 is arranged at the dust removal part, the fan shaft 5 in the fan 2 is driven to rotate by the rotation of the motor 1, so that the two sides of the fan blade 18 respectively generate positive pressure and negative pressure, the fan 2 positive pressure and one side of the negative pressure are respectively connected through the first air pipe 6 and the second air pipe 7, air can flow under the action of the fan 2, the first air pipe 6 and the second air pipe 7 are connected through the connecting disc 8, the connecting disc 8 is connected with the steering joint in a sliding way, in the normal dust suction work, the pipe joint 13 is connected with the first air pipe 6, so that the air flow with dust enters the lower dust box 14 through the dust suction pipe 15, after being filtered by the filter element 16, the air is discharged from the second air pipe 7, when the dust accumulation on the filter element 16 excessively affects the dust removal effect, the pipe joint 13 is rotated, so that the pipe joint 13 is communicated with the second exhaust air pipe 7, so, and (3) carrying out back flushing on the filter element 16 to enable dust on the filter element 16 to fall off so as to improve the permeability of the filter element 16 and ensure the dust removal efficiency, and after the back flushing is finished, the pipe joint 13 is reset under the action of the tension of the spring 10.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a back-blowing dust collector, includes motor (1), its characterized in that: motor (1) fixed connection is in fan (2) top, and the output shaft of motor (1) is connected with the transmission shaft transmission of fan (2), fan (2) both sides communicate respectively has first tuber pipe (6), second tuber pipe (7), first tuber pipe (6), second tuber pipe (7) tip all with turn to the articulate, turn to the articulate other end and be connected with the ash bin through advancing third tuber pipe (11), ash bin inside is equipped with filter core (16), ash bin side and dust absorption pipe (15) intercommunication.

2. The reverse blowing dust removal device of claim 1, wherein: the steering joint comprises a connecting disc (8) fixedly connected with a first air pipe (6) and a second air pipe (7), the connecting disc (8) is connected with a pipe joint (13) in a sliding mode, the pipe joint (13) is fixedly connected with a connecting sleeve (12), and the connecting sleeve (12) is rotatably connected with a third air pipe (11).

3. The reverse blowing dust removing device according to claim 2, wherein: the end part of the third air pipe (11) is communicated with the top end of the ash discharging box (14).

4. The reverse blowing dust removing device according to claim 2, wherein: the pipe joint (13) is connected with a connecting plate (9) at the end part of the connecting plate (8) through an extension spring (10).

5. A blowback dust removal device according to claim 3, wherein: the top is fixed with filter core (16) down in ash box (14), filter core (16) include multilayer filter screen (17).

6. The reverse blowing dust removal device of claim 1, wherein: the dust suction pipe (15) is connected to the side surface of the filter element (16) of the lower ash box (14).