CN111561345A - Method and device for dust reduction in tunnel construction - Google Patents

Abstract

The invention discloses a method and a device for dust fall in tunnel construction. Relates to the technical field of tunnel engineering. This method and device of tunnel construction dust fall, through setting up this spraying structure, water enters into atomizing device, turn into the water smoke form with it, then carry respectively to two conveyer pipes again, finally enter into inside the spray tube, it can drive the rotation leaf rotation to rotate through driving motor this moment, the wind-force that produces when rotating the leaf rotation can blow off the water smoke that enters into inside the spray tube, wherein set up two conveyer pipes blowout water smoke simultaneously, form the convection current, increase the flow of water smoke, make the concentration of water smoke in same region, conveniently rotate the leaf and blow off, and the water smoke is lighter relatively, under strong wind's effect, can spray to farther place around, thereby increase the dust fall effect.

Description

Method and device for dust reduction in tunnel construction

technical field

The invention relates to the technical field of tunnel engineering, in particular to a method and device for dust reduction in tunnel construction.

Background technique

Tunnels are engineering buildings buried in the stratum, and it is a form of human utilization of underground space. Tunnels can be divided into traffic tunnels, hydraulic tunnels, municipal tunnels, mine tunnels, and average tunnels. The structure of the tunnel includes the main building. The main building is composed of a tunnel body and a tunnel door. Ancillary equipment includes vehicle shelters, firefighting facilities, emergency communication and drainage facilities, as well as special ventilation and lighting equipment for long tunnels.

In the process of tunnel construction, a large amount of dust will be generated inside the tunnel. In order to prevent the workers from inhaling too much dust and ensure normal construction in the tunnel, a dust suppression device needs to be used to deal with the dust inside the tunnel. Some dust suppression devices generally achieve the effect of dust suppression by spraying water into the tunnel. Direct water spraying not only increases the water consumption, but also has a relatively small spraying range, which leads to an unsatisfactory dust suppression effect. Excessive humidity is not conducive to the normal construction of the staff.

SUMMARY OF THE INVENTION

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the present invention provides a method and device for dust reduction in tunnel construction, which solves the problem that the existing dust reduction equipment consumes too much water and has a small spraying range, resulting in an unsatisfactory dust reduction effect.

(2) Technical solutions

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: a device for dust reduction in tunnel construction, comprising a base, two support seats are fixedly connected to the left side of the top of the base, and the opposite sides of the two support seats are A spray structure is rotatably connected between them, and the spray structure includes a spray cylinder. The interior of the spray cylinder is respectively provided with a groove and a spray groove. The interior of the groove is provided with a driving motor, and one end of the output of the driving motor is A rotating blade is fixedly connected to the inside of the spray tank, an atomization device is provided on one side of the spray cylinder, and two output ends of the atomization device are connected with a conveying pipe, and one end of the conveying pipe runs through the end of the spray cylinder. The top of the base is fixedly connected with a device board, and one side of the device board is provided with a device slot, and the inside of the device slot is provided with a rotating structure, and the rotating structure includes a sector gear , a rotating motor and a toothed plate, and a water tank is fixedly connected to the right side of the top of the base.

Further, one end of the output shaft of the drive motor is fixedly connected with a threaded rotating shaft, an outer surface of the threaded rotating shaft is threadedly connected with a movable block, and one side of the movable block is fixedly connected with one side of the toothed plate.

Further, one side of the toothed plate is meshed with a sector gear, one side of the toothed plate is fixedly connected with a pulley, and the outer surface of the pulley is connected to one side of the inner surface of the device groove in a rolling connection.

Further, a water pump is arranged inside the water tank, the input end of the water pump is connected with a water inlet pipe, and the output end of the water pump is communicated with one side of the atomizing device through the output pipe.

Further, two movable grooves are opened on both sides of the bottom of the base, and a moving structure is arranged inside the movable groove. The moving structure includes a movable rod, and one end of the movable rod is connected to one side of the inner surface of the movable groove. Turn the connection.

Further, a roller is fixedly connected to the other end of the movable rod, and there is only a buffer spring between the top of the roller and the top of the inner surface of the movable groove.

Further, the sector gear is fixedly connected to one side outside the spray cylinder, and an anti-collision pad is provided on the left side of the support seat.

A method for a tunnel construction dust suppression device, comprising the following steps:

S1. When in use, the water pump leads out the water inside the water tank, and then transports it to the atomizing device through the conveying pipe. The water enters the atomizing device, converts it into the form of water mist, and then conveys it to the two conveying pipes respectively. , and finally enter the inside of the spray cylinder;

S2. By driving the motor to rotate, the rotating blades can be driven to rotate at the same time. The wind force generated by the rotating blades can blow out the water mist entering the spray cylinder. Because the water mist is relatively light, it can be sprayed to the surrounding area under the action of strong wind. far away, thereby increasing the dust suppression effect;

S3. While the spray structure is running, the rotating structure also operates at the same time. By rotating the motor, the movable block on the surface can be driven to move, and the tooth plate can be moved through the movement of the movable block. At this time, the pulley on the side of the tooth plate can move along the The inner surface of the device groove rolls, and through the movement of the toothed plate, the fan-shaped gear can be driven to rotate, and finally the spray cylinder can be rotated. When the movable block moves to the top of the surface of the threaded shaft, the spray cylinder just rotates to the maximum angle, and when the spray cylinder rotates At the same time, the water mist can spread in different directions;

S4. Then rotate the motor in the reverse direction, so that the movable block moves in the opposite direction again, and then drives the tooth plate to move in the opposite direction, and finally drives the spray cylinder to rotate, so as to reciprocate, when pushing the whole device to move, it can make the The water mist spreads evenly to the inside of the tunnel to achieve effective dust reduction.

(3) Beneficial effects

The present invention has the following beneficial effects:

The device and method for dust reduction in tunnel construction, by setting the spray structure, when dust reduction is required, water enters the atomization device, converts it into the form of water mist, and then transports it to two conveying pipes respectively, and finally enters To the inside of the spray cylinder, at this time, the rotating blade can be driven to rotate at the same time by driving the motor, and the wind generated by the rotation of the rotating blade can blow out the water mist entering the spray cylinder. Convection increases the flow of water mist, so that the water mist is concentrated in the same area, which is convenient for the rotating blade to blow out, and the water mist is relatively light. The spray structure has changed the traditional water spray method, using water mist to reduce dust, the scope of action is wider, and it is more convenient to use.

Of course, it is not necessary for any product embodying the present invention to achieve all of the above-described advantages simultaneously.

Description of drawings

Fig. 1 is the structural schematic diagram of the outside of the present invention;

Fig. 2 is the structural representation inside the present invention;

FIG. 3 is a schematic diagram of the internal structure of the device board in the present invention

FIG. 4 is a schematic structural diagram of the interior of the base in the present invention.

In the figure, 1-base, 2-support base, 3-spray structure, 31-spray cylinder, 32-groove, 33-spray groove, 34-drive motor, 35-rotating blade, 36-atomizing device, 37- Conveying pipe, 4-device plate, 5-device slot, 6-rotation structure, 61-sector gear, 62-rotation motor, 63-tooth plate, 64-threaded shaft, 65-movable block, 66-pulley, 7-water tank , 8-water pump, 9-water inlet pipe, 10-output pipe, 11-active groove, 12-moving structure, 121-active rod, 122-roller, 123-buffer spring, 13-crash pad.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "around", etc. Indicates the orientation or positional relationship, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, are constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention .

1-4, an embodiment of the present invention provides a technical solution: a device for dust reduction in tunnel construction, including a base 1, and two support bases 2 are fixedly connected to the left side of the top of the base 1. A spray structure 3 is rotatably connected between the opposite sides of the support base 2. The spray structure 3 includes a spray cylinder 31. The interior of the spray cylinder 31 is respectively provided with a groove 32 and a spray groove 33. A drive motor 34 is provided inside, and one end of the output of the drive motor 34 is fixedly connected with a rotating blade 35 inside the spray tank 33. One side of the spray cylinder 31 is provided with an atomizing device 36. The atomizing device 36 The two output ends of the base 1 are connected with a conveying pipe 37. One end of the conveying pipe 37 runs through the outside of the spray cylinder 31 and extends to the interior of the spray cylinder 31. The top of the base 1 is fixedly connected with a device board 4, and the device One side of the plate 4 is provided with a device slot 5, and the inside of the device slot 5 is provided with a rotating structure 6. The rotating structure 6 includes a sector gear 61, a rotating motor 62 and a toothed plate 63. The right side of the top of the base 1 A water tank 7 is fixedly connected.

The two support bases 2 are located on the front and rear sides of the top left side of the base 1, and are symmetrically distributed to provide support for the spray structure 3. The spray structure 3 can mainly convert water into water mist and spray out, and the spray cylinder 31 is rotatably connected to the two supports. Between the opposite sides of the seat 2, the drive motor 34 is externally connected with a power supply, and the rotation of the drive motor 34 can drive the rotating blade 35 to rotate. The atomizing device 36 mainly has an atomizing effect on the input water. The two ends of the spray cylinder 31 respectively extend to the top and bottom of the inside of the spray cylinder 31 to form convection, and then through the rotation of the rotating blade 35, the sprayed water mist is blown out. In the atomizing device 36, it is converted into a water mist form, and then transported to the two conveying pipes 37 respectively, and finally enters the inside of the spray cylinder 31. At this time, the rotating blade 35 can be driven to rotate at the same time by the rotation of the driving motor 34. The wind force generated when the blades 35 rotate can blow out the water mist entering the spray cylinder 31. Since the water mist is relatively light, under the action of strong wind, it can be sprayed to the surrounding farther places, thereby increasing the dust reduction effect. 3. The traditional water spraying method is changed, and the water mist is used to reduce dust, which has a wider range of effects and is more convenient to use.

A threaded shaft 64 is fixedly connected to one end of the output shaft of the rotating motor 62 , a movable block 65 is threadedly connected to the outer surface of the threaded shaft 64 , and one side of the movable block 65 is fixedly connected to one side of the toothed plate 63 .

The rotating structure 6 is used to adjust the angle of the spray cylinder 31, so that the spray cylinder 31 can rotate continuously when it is working. The rotating motor 62 is a forward and reverse rotation motor. There is a thread that fits with the threaded shaft 64, because the movable block 65 is limited by the device slot 5, the movable block 65 can be driven to move up and down by the rotation of the threaded shaft 64, and then the toothed plate 63 can be moved up and down.

One side of the toothed plate 63 is engaged with a sector gear 61 , and one side of the toothed plate 63 is fixedly connected with a pulley 66 , the outer surface of the pulley 66 is rollingly connected to one side of the inner surface of the device slot 5 .

The sector gear 61 is adapted to the toothed plate 63, and the toothed plate 63 moves up and down to drive the sector gear 61 to rotate, thereby enabling the spray cylinder 31 to rotate at the same time, thereby realizing the angle adjustment of the spray cylinder 31 and spraying water in the spray cylinder 31. When fogging, adjust the angle by rotating the structure 6, so that the sprayed water mist can move in different directions, thereby further increasing the spraying range of the water mist, ensuring that the surrounding of the tunnel can be evenly sprayed by the water mist, and achieving an effective dust reduction effect ;

When the rotating structure 6 is running, the movable block 65 on its surface can be driven to move by the rotation of the rotating motor 62, and the movement of the movable block 65 can make the toothed plate 63 move. At this time, the pulley 66 on the side of the toothed plate 63 can move along the device. The inner surface of the groove 5 rolls, and through the movement of the toothed plate 63, the sector gear 61 can be driven to rotate, and finally the spray cylinder 31 can be rotated. When the movable block 65 moves to the top of the surface of the threaded shaft 64, the spray cylinder 31 just rotates to the maximum angle , and then the rotating motor 62 rotates in the opposite direction, so that the movable block 65 moves in the opposite direction again, and then drives the toothed plate 63 to move in the opposite direction, and finally drives the spray cylinder 31 to rotate, so as to reciprocate, when pushing the whole device to move, The generated water mist can be evenly diffused into the tunnel to achieve effective dust reduction.

The water tank 7 is provided with a water pump 8 , the input end of the water pump 8 is connected with a water inlet pipe 9 , and the output end of the water pump 8 is communicated with one side of the atomizing device 36 through the output pipe 10 .

The water pump 8 can transport the water in the water tank 7 to the atomizing device 36, and the output pipe 10 is an elastic hose, which can be stretched when the spray cylinder 31 rotates.

Two movable slots 11 are provided on both sides of the bottom of the base 1 , and a movable structure 12 is arranged inside the movable slot 11 . The movable structure 12 includes a movable rod 121 , and one end of the movable rod 121 is connected to the movable slot 11 One side of the inner surface is pivotally connected.

There are four movable grooves 11 , which are located at four positions at the front and rear of the bottom of the base 1 , and are symmetrically distributed. By pushing the device and using the moving structure 12 , the device can move freely.

A roller 122 is fixedly connected to the other end of the movable rod 121 , and there is only a buffer spring 123 between the top of the roller 122 and the top of the inner surface of the movable groove 11 .

The moving structure 12 can play a certain buffering role through the buffer spring 123 and the movable rod 121 arranged inside. When the device is active in an area with uneven terrain, it can reduce the bumps in the moving process and ensure that the device can run smoothly. When the staff pushes, the discomfort caused by the bumps to the human body is reduced, and the comfort of using the device is increased.

The sector gear 61 is fixedly connected to one side outside the spray cylinder 31 , and the left side of the support base 2 is provided with an anti-collision pad 13 .

Anti-collision pad 13 rubber pads are used to protect the front part of the support base 2. When the front of the device is collided, it will play a certain buffering role and reduce the damage to the device.

A method for a tunnel construction dust suppression device, comprising the following steps:

S1. When in use, the water pump 8 leads out the water inside the water tank 7, and then transports it to the atomizing device 36 through the conveying pipe 37. The water enters the atomizing device 36, converts it into a water mist form, and then transports it to the atomizing device 36 respectively. In the two conveying pipes 37, finally enter the inside of the spray barrel 31;

S2. By driving the motor 34 to rotate, the rotating blades 35 can be driven to rotate at the same time, and the wind force generated when the rotating blades 35 rotate can blow out the water mist entering the spray cylinder 31. Because the water mist is relatively light, under the action of strong wind, it can be Spray farther around to increase the dust reduction effect;

S3. While the spray structure 3 is running, the rotating structure 6 also operates at the same time. By rotating the rotating motor 62, the movable block 65 on the surface can be driven to move, and the tooth plate 63 can be moved by the movement of the movable block 65. At this time, the tooth plate The pulley 66 on the side of 63 can roll along the inner surface of the device slot 5, and through the movement of the toothed plate 63, the sector gear 61 can be driven to rotate, and finally the spray cylinder 31 can be rotated. When the movable block 65 moves to the top of the surface of the threaded shaft 64 When the spray cylinder 31 is rotated to the maximum angle, the water mist can spread in different directions while the spray cylinder 31 is rotated;

S4. Then, the rotating motor 62 rotates in the opposite direction, so that the movable block 65 moves in the opposite direction again, and then drives the toothed plate 63 to move in the opposite direction, and finally drives the spray cylinder 31 to rotate. , which can make the generated water mist spread evenly to the inside of the tunnel to achieve effective dust reduction.

working principle:

When in use, the water pump 8 leads out the water inside the water tank 7, and then transports it to the atomizing device 36 through the conveying pipe 37. The water enters the atomizing device 36, converts it into a water mist form, and then transports it to the two. In the conveying pipe 37, it finally enters the inside of the spray cylinder 31;

At this time, the rotation of the driving motor 34 can drive the rotating blades 35 to rotate at the same time, and the wind force generated by the rotation of the rotating blades 35 can blow out the water mist entering the spray cylinder 31. Spray farther around to increase the dust reduction effect;

When the spray structure 3 is running, the rotating structure 6 is also running at the same time. By rotating the rotating motor 62, the movable block 65 on its surface can be driven to move, and the movement of the movable block 65 can make the tooth plate 63 move. At this time, the tooth plate 63 is a The pulley 66 on the side can roll along the inner surface of the device groove 5, and through the movement of the toothed plate 63, the sector gear 61 can be driven to rotate, and finally the spray cylinder 31 can be rotated. When the movable block 65 moves to the top of the surface of the threaded shaft 64, The spray cylinder 31 is rotated to the maximum angle, and the water mist can spread in different directions while the spray cylinder 31 is rotated;

Then, the rotating motor 62 rotates in the opposite direction, so that the movable block 65 moves in the opposite direction again, which in turn drives the toothed plate 63 to move in the opposite direction, and finally drives the spray cylinder 31 to rotate, so as to reciprocate. The generated water mist is evenly diffused into the tunnel to achieve effective dust reduction.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

The above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not exhaust all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (8)

1. The utility model provides a device of tunnel construction dust fall, includes base (1), its characterized in that: the spraying device is characterized in that two supporting seats (2) are fixedly connected to the left side of the top of the base (1), a spraying structure (3) is rotatably connected between the two opposite sides of the supporting seats (2), the spraying structure (3) comprises a spraying barrel (31), a groove (32) and a spraying groove (33) are respectively formed in the spraying barrel (31), a driving motor (34) is arranged in the groove (32), a rotating blade (35) is fixedly connected to one end of the output of the driving motor (34) and is positioned in the spraying groove (33), an atomizing device (36) is arranged on one side of the spraying barrel (31), two output ends of the atomizing device (36) are communicated with a conveying pipe (37), one end of the conveying pipe (37) penetrates through the outer portion of the spraying barrel (31) and extends into the spraying barrel (31), and a device plate (4) is fixedly connected to the top of the base (1), the device comprises a base and is characterized in that a device groove (5) is formed in one side of the device plate (4), a rotating structure (6) is arranged inside the device groove (5), the rotating structure (6) comprises a sector gear (61), a rotating motor (62) and a toothed plate (63), and a water tank (7) is fixedly connected to the right side of the top of the base (1).

2. The device of tunnel construction dust fall of claim 1, characterized in that: one end fixedly connected with screw thread pivot (64) of driving motor (62) output shaft, the surface threaded connection of screw thread pivot (64) has movable block (65), one side of movable block (64) and one side fixed connection of pinion rack (63).

3. The device of tunnel construction dust fall of claim 1, characterized in that: one side meshing of pinion rack (63) has sector gear (61), one side fixedly connected with pulley (66) of pinion rack (63), the surface of pulley (66) with one side roll connection of device groove (5) internal surface.

4. The device of tunnel construction dust fall of claim 1, characterized in that: the inside of water tank (7) is provided with water pump (8), the input intercommunication of water pump (8) has inlet tube (9), the output of water pump (8) passes through one side intercommunication of output tube (10) and atomizing device (36).

5. The device of tunnel construction dust fall of claim 1, characterized in that: two movable grooves (11) have all been seted up to the both sides of base (1) bottom, movable groove (11) inside is provided with removal structure (12), removal structure (12) are including movable rod (121), the one end of movable rod (121) is rotated with one side of movable groove (11) internal surface and is connected.

6. The device of tunnel construction dust fall of claim 6, characterized in that: the other end of the movable rod (121) is fixedly connected with a roller (122), and only a buffer spring (123) is arranged between the top of the roller (122) and the top of the inner surface of the movable groove (11).

7. The method and the device for dust fall in tunnel construction according to claim 1 are characterized in that: sector gear (61) fixed connection is in the outside one side of spray tube (31), the left side of supporting seat (2) is provided with crashproof pad (13).

8. A method of a tunnel construction dust suppression device comprises the following steps:

s1, when the water sprayer is used, water in the water tank (7) is guided out by the water pump (8), then the water is conveyed into the atomizing device (36) through the conveying pipe (10), enters the atomizing device (36), is converted into water mist, and then is conveyed into the two conveying pipes (37) respectively, and finally enters the spraying cylinder (31);

s2, the rotating blade (35) can be driven to rotate simultaneously through rotation of the driving motor (34), water mist entering the spraying barrel (31) can be blown out by wind power generated when the rotating blade (35) rotates, and the water mist is relatively light and can be sprayed to a farther place around under the action of strong wind, so that the dust settling effect is improved;

s3, when the spraying structure (3) operates, the rotating structure (6) also operates simultaneously, the rotating motor (62) rotates to drive the movable block (65) on the surface to move, the toothed plate (63) can move through the movement of the movable block (65), the pulley (66) on one side of the toothed plate (63) can roll along the inner surface of the device groove (5), the sector gear (61) can be driven to rotate through the movement of the toothed plate (63), finally, the spraying cylinder (31) can rotate, when the movable block (65) moves to the top of the surface of the threaded rotating shaft (64), the spraying cylinder (31) just rotates to the maximum angle, and when the spraying cylinder (31) rotates, the water mist can be diffused to different directions;

s4, then the rotating motor (62) rotates reversely, so that the movable block (65) moves in the opposite direction again, the toothed plate (63) is driven to move in the opposite direction, the spraying cylinder (31) is finally driven to rotate, the reciprocating motion is realized, and when the whole device is pushed to move, the generated water mist is uniformly diffused in the tunnel, and the effective dust settling effect is achieved.

Images