CN212079769U - Tunnel ventilator capable of automatically removing dust - Google Patents

Abstract

The utility model discloses a ventilator for tunnels capable of automatic dust removal, which comprises a ventilation duct, an inner wall of one end of the ventilation duct is provided with a fan body, and the bottom outer wall and the top outer wall of the ventilation duct are respectively connected with shells through fastening bolts The housing and the mounting seat are connected with two mounting rollers through bearings on both inner walls of the housing and the mounting seat, and the same filter mesh belt is sleeved on the circumference of the four mounting rollers. When the utility model is in use, the air flow in the ventilation duct is preliminarily filtered by the filter mesh belt, and the installation roller drives the filter mesh belt to move slowly, the spring pushes the cleaning brush to brush the filter mesh belt, and the vacuum cleaner vacuums the brushed place in time. The spray pipe washes the filter belt after brushing, which is convenient for cleaning the filter belt, ensuring its filtering effect on the air, and effectively preventing the dust in the airflow from entering the fan body and causing dust accumulation.

Description

A tunnel fan with automatic dust removal

technical field

The utility model relates to the technical field of tunnel ventilation, in particular to a tunnel fan that can automatically remove dust.

Background technique

Tunnel fans are mainly used to discharge in tunnel construction. Due to the explosion of explosives, the use of internal combustion engines, and the release of harmful gases from the stratum during excavation, it provides a good construction environment for tunnel construction, maintains the health of operators, and ensures normal and smooth operation. Construction, improve work efficiency, an important condition to ensure project quality.

After searching, the Chinese Patent Publication No. CN206845557U discloses a ventilator for tunnels that can automatically remove dust, including a ventilation duct and an exhaust fan arranged in the ventilation duct. The inner wall of the ventilation duct is evenly provided with two or more water spray heads, The outside of the ventilation duct is provided with a water delivery pipeline connected with more than two water spray heads, and the water delivery pipeline is connected to the water storage tank through a high-pressure water pump. The automatic dust-removing tunnel fan in the above-mentioned patent has the following disadvantages: there is a problem of poor dust filtering effect.

Utility model content

The purpose of the utility model is to solve the shortcomings of the prior art, and proposes a tunnel fan that can automatically remove dust.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A ventilator for tunnels capable of automatic dust removal, comprising a ventilation duct, the inner wall of one end of the ventilation duct is provided with a ventilator body, and the bottom outer wall and the top outer wall of the ventilation duct are respectively connected with a casing and a mounting seat by fastening bolts, The casing and the inner walls of the mounting seat are connected with two installation rollers through bearings, and the same filter mesh belt is sleeved at the circumference of the four installation rollers, and the top inner wall and the bottom inner wall of the ventilation duct are opened. There are two perforations, and the opening position of the perforation corresponds to the position of the filter belt. The top inner wall of the mounting seat is connected with a cleaning brush through a spring, and the middle position of the inner wall on both sides of the mounting seat is provided with the same dust hood. The cover and the cleaning brush are respectively located on the top inner wall and the top outer wall of the filter belt, the top outer wall of the mounting seat is provided with a vacuum cleaner, and the bottom of the inner walls on both sides of the shell is provided with the same spray pipe.

As a further solution of the present invention, the outer wall of the top of the ventilation duct is provided with two mounting plates, and one side of the mounting plate is provided with a winding motor.

As a further solution of the present invention, the output shaft of the winding motor is provided with a winding shaft, and a connecting rope is wound around the circumference of the winding shaft, and an end of the connecting rope extending to the inside of the ventilation duct is provided with a movable frame.

As a further solution of the present invention, limit screen plates are provided on both sides of the inner wall of the movable frame, a filter element is placed inside the movable frame, and an outer wall of one side of the movable frame is provided with a movable door.

As a further scheme of the present invention: the four corners of the top outer wall of the movable frame and the four corners of the bottom outer wall are provided with limit rods, and the top inner wall of the ventilation duct is provided with four through holes, and the opening positions of the four through holes are respectively the same as The positions of the four limit rods located on the top outer wall of the movable frame correspond.

As a further solution of the present invention, the bottom of the outer wall of one side of the casing is plugged with a sewage pipe, and the outer wall of one side of the casing is provided with a box door, and the movable frame is located inside the filter belt.

As a further solution of the present invention: one side of the inner wall on both sides of the casing is provided with two drying boards, and the two drying boards are respectively located on the right outer wall and the right inner wall of the filter belt. The outer wall of one side of the plate close to the filter mesh belt is provided with evenly distributed air outlet holes, and the outer wall of one side of the shell is provided with a hot air blower.

The beneficial effects of the present utility model are:

1. By setting the filter belt, cleaning brush and spray pipe, the filter belt performs preliminary filtering on the air flow in the ventilation duct. At the same time, the installation roller drives the filter belt to move slowly, and the spring pushes the cleaning brush to brush the filter belt. Vacuum cleaner Timely vacuum the brushed area, rinse the brushed filter belt through the spray pipe, facilitate the cleaning of the filter belt, ensure its filtering effect on the air, and effectively prevent the dust in the airflow from entering the fan body. dust accumulation;

2. By setting the winding motor, the movable frame and the filter element, the movable frame can be pulled into the ventilation duct through the winding motor and the connecting rope. Gravity falls into the shell, which is convenient for the replacement of the filter element;

3. By setting the drying plate and the hot air blower, the cleaned filter belt can be dried in time through the hot air blower and the drying plate, which is convenient and efficient.

Description of drawings

Fig. 1 is the structural representation of a kind of tunnel fan for automatic dust removal proposed in Example 1;

Fig. 2 is the movable frame structure schematic diagram of a kind of automatic dust-removing tunnel ventilator proposed in Example 1;

FIG. 3 is a cross-sectional view of the side structure of the casing of a ventilator for tunnels with automatic dust removal proposed in Embodiment 2. FIG.

In the picture: 1 ventilation duct, 2 fan body, 3 winding motor, 4 dust hood, 5 mounting seat, 6 cleaning brush, 7 vacuum cleaner, 8 mounting roller, 9 mounting plate, 10 connecting rope, 11 filter element, 12 limit Position rod, 13 filter mesh belt, 14 shell, 15 spray pipe, 16 movable frame, 17 limit screen plate, 18 drying plate, 19 hot air blower.

Detailed ways

The technical solution of the present patent will be described in further detail below in conjunction with specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present patent, but should not be construed as a limitation on the present patent.

In the description of this patent, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present patent and simplifying the description, rather than indicating or implying The device or element referred to must have, be constructed, and operate in a particular orientation and is not to be construed as a limitation of this patent.

In the description of this patent, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected" and "arranged" should be understood in a broad sense. , it can also be detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in this patent can be understood according to specific situations.

Example 1

Referring to Figure 1-2, a ventilator for tunnels that can automatically remove dust includes a ventilation duct 1, and the inner wall of one end of the ventilation duct 1 is connected with a fan body 2 by fastening bolts, and the bottom outer wall and the top outer wall of the ventilation duct 1 pass through. The housing 14 and the mounting seat 5 are respectively connected with the fastening bolts. The inner walls on both sides of the housing 14 and the mounting seat 5 are connected with two mounting rollers 8 through bearings, and the circumference of the four mounting rollers 8 is sleeved with the same one. The filter belt 13, the top inner wall and the bottom inner wall of the ventilation duct 1 are provided with two perforations, and the opening position of the perforation corresponds to the position of the filter belt 13, the top inner wall of the mounting seat 5 is connected with a cleaning brush 6 through a spring, And the middle position of the inner walls on both sides of the mounting seat 5 is connected with the same vacuum hood 4 by tightening bolts. The vacuum cleaner 7 is connected with the fixing bolts, and the bottom of the inner walls on both sides of the housing 14 is connected with the same spray pipe 15 through the tightening bolts. At the same time, the installation roller 8 drives the filter mesh belt 13 to move slowly, the spring pushes the cleaning brush 6 to brush the filter mesh belt 13, the vacuum cleaner 7 vacuums the brushed area in time, and the brushed filter mesh belt 13 is washed through the spray pipe 15. , to facilitate the cleaning of the filter mesh belt 13, ensure its filtering effect on the air, and effectively prevent dust in the airflow from entering the fan body 2 and causing dust accumulation.

Wherein, the top outer wall of the ventilation duct 1 is connected with two mounting plates 9 by fastening bolts, and one side of one of the mounting plates 9 is connected with the winding motor 3 by the fastening bolts.

Wherein, the output shaft of the winding motor 3 is connected with a winding shaft by tightening bolts, and a connecting rope 10 is wound around the circumference of the winding shaft. .

Among them, both sides of the inner wall of the movable frame 16 are connected to the limit screen 17 by fastening bolts, and the filter element 11 is placed inside the movable frame 16, and an outer wall of one side of the movable frame 16 is provided with a movable door, which can pass the winding motor 3 The movable frame 16 is pulled into the ventilation duct 1 with the connecting rope 10, and the filter element 11 further filters the air flow after preliminary filtering by the filter belt 13. When the connecting rope 10 is unfolded, the movable frame 16 falls into the housing 14 due to gravity, which is convenient for the filter element. 11 replacement.

Among them, the four corners of the top outer wall of the movable frame 16 and the four corners of the bottom outer wall are connected to the limit rod 12 by fastening bolts, and the top inner wall of the ventilation duct 1 is provided with four through holes, and the opening positions of the four through holes are respectively located in the movable frame. The positions of the four limit rods 12 on the outer wall of the top of the frame 16 correspond to the positions. When the movable frame 16 is adjusted to extend into or out of the ventilation duct 1, the limit rods 12 guide and limit the movable frame 16, so that the movable frame 16 maintains the vertical direction. move.

The bottom of the outer wall of the casing 14 is plugged with a sewage pipe, and the outer wall of the casing 14 is provided with a box door. The movable frame 16 is located inside the filter belt 13, and the sewage pipe discharges the sewage generated by the spraying in time. , the box door and movable door can be opened to replace the filter element 11.

Working principle: When the fan body 2 is working, the filter belt 13 preliminarily filters the airflow in the ventilation duct 1, and the installation roller 8 drives the filter belt 13 to move slowly, and the spring pushes the cleaning brush 6 to brush the filter belt 13. The vacuum cleaner 7 vacuums the brushed area in time, and rinses the brushed filter belt 13 through the spray pipe 15, which is convenient for cleaning the filter belt 13, ensures its filtering effect on the air, and effectively prevents the dust in the airflow from entering. Dust accumulation is caused in the fan body 2. The movable frame 16 can be pulled into the ventilation duct 1 by the winding motor 3 and the connecting rope 10. The movable frame 16 falls into the housing 14 due to gravity, which facilitates the replacement of the filter element 11 , and the limit rod 12 guides and limits the movable frame 16 .

Example 2

Referring to FIG. 3 , a tunnel fan that can automatically remove dust, in this embodiment, compared with Embodiment 1, two drying plates 18 are connected to one side of the inner walls on both sides of the casing 14 by fastening bolts, and the two The drying plates 18 are respectively located on the right outer wall and the right inner wall of the filter belt 13. The outer walls of the two drying plates 18 on one side close to the filter belt 13 are provided with evenly distributed air outlets, and the outer wall of the casing 14 is provided with uniformly distributed air outlets. The hot air blower 19 is connected by tightening bolts.

Working principle: The cleaned filter belt 13 can be dried in time by the hot air blower 19 and the drying plate 18, which is convenient and efficient.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (7)

1. The utility model provides a but ventilation blower for tunnel of automatic dust removal, includes air pipe (1), its characterized in that, the one end inner wall of air pipe (1) is equipped with ventilation blower body (2), and the bottom outer wall and the top outer wall of air pipe (1) are connected with casing (14) and mount pad (5) respectively through fastening bolt, the both sides inner wall of casing (14) and mount pad (5) all is connected with two installation rollers (8) through the bearing, and the circumference department of four installation rollers (8) has cup jointed same filter mesh belt (13), two perforation have all been seted up to the top inner wall and the bottom inner wall of air pipe (1), and the fenestrate open position is corresponding with the position of filter mesh belt (13), and there is cleaning brush (6) top inner wall of mount pad (5) through spring coupling, and the intermediate position of mount pad (5) both sides inner wall is equipped with same suction hood (4), the dust hood (4) and the cleaning brush (6) are respectively positioned on the inner wall and the outer wall of the top of the filter mesh belt (13), the outer wall of the top of the mounting seat (5) is provided with a dust collector (7), and the bottoms of the inner walls of the two sides of the shell (14) are provided with the same spray pipe (15).

2. A tunnel ventilator capable of automatically removing dust according to claim 1, characterized in that the top outer wall of the ventilation duct (1) is provided with two mounting plates (9), and one side of one of the mounting plates (9) is provided with a rolling motor (3).

3. The ventilator for the tunnel that can remove dust automatically of claim 2, characterized by, the output shaft of rolling motor (3) is equipped with the rolling axle, and the circumference department of rolling axle is twined and is connected rope (10), and the one end that connects rope (10) to extend to inside air pipe (1) is equipped with movable frame (16).

4. The ventilator for the tunnel that can remove dust automatically of claim 3, characterized in that, the both sides of the inner wall of activity frame (16) are equipped with spacing otter board (17), and the filter core (11) is placed to the inside of activity frame (16), and one side outer wall of activity frame (16) is provided with the dodge gate.

5. The ventilator for the tunnel that can automatically remove dust according to any one of claims 3-4, characterized in that, the four corners of the outer wall of the top of the movable frame (16) and the four corners of the outer wall of the bottom are all provided with a limiting rod (12), and the inner wall of the top of the ventilation duct (1) is provided with four through holes, the opening positions of the four through holes respectively correspond to the positions of the four limiting rods (12) located on the outer wall of the top of the movable frame (16).

6. The tunnel ventilator capable of automatically removing dust according to claim 5, wherein a sewage draining pipe is inserted into the bottom of the outer wall of one side of the housing (14), a box door is arranged on the outer wall of one side of the housing (14), and the movable frame (16) is positioned inside the filter mesh belt (13).

7. The tunnel ventilator capable of automatically removing dust according to claim 6, wherein two drying plates (18) are provided on one side of the inner wall of the housing (14), the two drying plates (18) are respectively located on the right outer wall and the right inner wall of the filter mesh belt (13), the outer wall of one side of the two drying plates (18) close to the filter mesh belt (13) is provided with uniformly distributed air outlets, and the outer wall of one side of the housing (14) is provided with a hot air blower (19).

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