Tunnel dust falling equipment

Abstract

The utility model provides tunnel dust falling equipment which comprises a watering cart body and further comprises a dust falling mechanism, and the dust falling mechanism comprises a base arranged at the tail end of a frame of the watering cart body, a fog gun machine, a centrifugal fan, a ventilation pipe and an air outlet horn. The fog gun machine and the centrifugal fan are both fixedly arranged on the base, the air outlet horn comprises an outer shell and an inner shell, the air outlet horn is arranged on a fog gun head of the fog gun machine in a sleeving mode, a ventilation channel is formed between the outer shell and the inner shell, and the ventilation pipe is communicated with an air outlet of the centrifugal fan and the ventilation channel. The centrifugal fan, the outer shell, the inner shell and the ventilation pipe are adopted, so that water mist sprayed by the fog gun machine can be quickly diffused to the whole tunnel section to play a role in blocking the section, covering type dust falling operation on dust in the tunnel face is achieved, the dust falling operation range is large, and the working efficiency is improved. According to the tunnel dust falling equipment, the dust falling operation range is enlarged, and the dust falling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust falling equipment technical field, especially a tunnel dust falling equipment. BACKGROUND

[0002] When carrying out tunnel construction, a large amount of dust is usually generated, thereby reducing the quality of the tunnel construction environment, and long-term construction of the construction personnel in the tunnel full of dust can seriously endanger the health.

[0003] In order to reduce the dust content in the tunnel, ordinary water cart fog cannons or high-pressure water spraying are usually used, but the dust falling range of the ordinary water cart fog cannon and the high-pressure water spraying is small, cannot completely cover the working face, and multiple spraying dust falling operations in the working face can be required, thereby increasing the operation time and leading to low dust falling efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a tunnel dust falling equipment to increase the dust falling operation range and improve the dust falling efficiency.

[0005] Therefore, the utility model adopts the technical scheme that a tunnel dust falling equipment, including watering cart body, still include dust falling mechanism, the dust falling mechanism includes the base that sets up in the tail end of watering cart body car frame, fog cannon machine, centrifugal fan, ventilation pipe and the horn that goes out, the fog cannon machine and centrifugal fan all are fixedly arranged on the base, the horn that goes out includes shell body and inner shell, the horn that goes out is covered in the fog cannon head of fog cannon machine, the shell body and inner shell form ventilation passage between, the ventilation pipe links together centrifugal fan air outlet and ventilation passage.

[0006] As the preferred scheme, it further includes a mounting assembly, the mounting assembly includes mounting bolts and mounting nuts, the watering cart body frame is fixedly provided with a mounting pipe, the base is fixedly provided with a mounting column, the mounting column is inserted into the mounting pipe, the mounting bolts pass through the mounting pipe and the mounting column and are threadedly connected with the mounting nuts.

[0007] Further preferably, it further includes reinforcing ribs, the reinforcing ribs are fixedly connected to the front end surface of the horn that goes out, for connecting the shell body and the inner shell.

[0008] Further preferably, the number of reinforcing ribs is multiple, and the reinforcing ribs are uniformly arranged around the center line of the inner shell.

[0009] Further preferably, the connecting assembly comprises a sealing groove body matched with the top end of the centrifugal fan air outlet, a positioning bolt and a positioning nut, the sealing groove body is placed at the top end of the centrifugal fan air outlet, the positioning bolt passes through the sealing groove body and the top end of the centrifugal fan air outlet and is screwed with the positioning nut, and the ventilation pipe is fixed on the sealing groove body and communicates with the centrifugal fan air outlet.

[0010] Further preferably, a sealing groove is annularly arranged on the outer periphery of the sealing groove body, and a sealing layer is fixed in the sealing groove.

[0011] Further preferably, a battery is fixed on the base and electrically connected with the centrifugal fan and the fog gun machine.

[0012] Further preferably, the rear end of the outer shell body and the inner shell body is fixed with a sealing plate, the sealing plate is sleeved on the fog gun head of the fog gun machine, and the ventilation pipe is fixed on the sealing plate of the outer shell body.

[0013] Further preferably, the front end surface of the fog gun machine is flush with the front end surface of the air outlet horn.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. The centrifugal fan, the outer shell body, the inner shell body and the ventilation pipe can make the water mist sprayed by the fog gun machine quickly spread to the entire tunnel section, play a role in plugging the section, realize the covering dust suppression operation on the dust in the tunnel working face, and the range of dust suppression operation is large, and the dust suppression efficiency is improved.

[0016] 2. The centrifugal fan can provide diffusion power for the water mist sprayed by the fog gun machine, and the suction and air volume thereof can make the dirty air with dust circulate in the working face and be treated by the water mist for dust suppression, so that the dirty air is prevented from escaping to the tunnel area after dust suppression treatment and causing secondary dust pollution.

[0017] 3. The present application is modified by using the existing watering cart, and the installation assembly can realize quick disassembly and assembly of the dust suppression mechanism on the watering cart body.

[0018] 4. The connecting assembly can realize separation of the ventilation pipe and the centrifugal fan air outlet, and replacement, cleaning and maintenance are more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the present application.

[0020] Figure 2 is a structural schematic view of the installation assembly in the present application.

[0021] Figure 3It is a structural schematic view of the air outlet horn in the utility model.

[0022] Figure 4 It is a structural schematic view of the connecting assembly in the utility model.

[0023] Figure 5 It is Figure 2 The local enlarged view of part A in the middle.

[0024] Figure 6 It is Figure 4 The local enlarged view of part B in the middle. DETAILED DESCRIPTION

[0025] The utility model will be further described in connection with the drawings and embodiments.

[0026] As Figures 1-6 shown, a tunnel dust falling device, including watering car body 1, still include dust falling mechanism, dust falling mechanism includes setting up at the tail end of watering car body car frame 12's base 3, fog cannon machine 7, centrifugal fan 2, ventilation pipe 9 and air outlet horn, fog cannon machine 7 and centrifugal fan 2 are fixedly set up on base 3, air outlet horn includes outer shell 8 and inner shell 6, air outlet horn is sleeved on the fog cannon head of fog cannon machine 7, and the ventilation passage is formed between outer shell 8 and inner shell 6, and ventilation pipe 9 is communicated with centrifugal fan air outlet 20 and ventilation passage.

[0027] Base 3 is fixedly provided with electric control box 4, electric control box 4 is electrically connected with centrifugal fan 2 and fog cannon machine 7, when carrying out dust falling operation in the tunnel, operating electric control box 4, starts centrifugal fan 2 and fog cannon machine 7, and centrifugal fan 2 will send wind from ventilation pipe 9 into outer shell 8, then the wind will be sprayed from the ventilation passage between outer shell 8 and inner shell 6, and the water mist generated by fog cannon machine 7 is quickly covered tunnel's working face, and dust falling operation is carried out in the working face.Fog cannon machine 7 can adopt ultrafine fog cannon machine 7.The number of ventilation pipe 9 can be multiple, and multiple ventilation pipe 9 is evenly arranged around the center line of outer shell 8.

[0028] Still include installation assembly, and installation assembly includes mounting bolt 13 and mounting nut 15, and the mounting pipe 14 is fixedly set up on watering car body car frame 12, and the mounting column 16 is fixedly set up on base 3, and mounting column 16 is inserted into mounting pipe 14, and mounting bolt 13 passes through mounting pipe 14 and mounting column 16 and is threadedly connected with mounting nut 15.

[0029] The mounting pipe 14 is provided with two mounting holes, and the mounting column 16 is provided with a through hole. The mounting bolt 13 is inserted into the mounting holes and the through hole. When the dust falling mechanism is installed, the mounting column 16 is first inserted into the mounting pipe 14, and then the mounting bolt 13 is inserted into the two mounting holes and the through hole, and then the mounting nut 15 is screwed onto the mounting bolt 13. When the dust falling mechanism is removed, the mounting nut 15 is first unscrewed from the mounting bolt 13, and then the mounting bolt 13 is removed from the mounting holes and the through hole, and then the mounting column 16 is moved out of the mounting pipe 14. The number of the mounting bolt 13 and the mounting nut 15 of the mounting assembly can be multiple, and the number of the mounting assembly can also be multiple.

[0030] The reinforcing rib 10 is fixedly connected to the front end face of the air outlet horn and used for connecting the outer shell 8 and the inner shell 6.

[0031] The reinforcing rib 10 can connect the outer shell 8 and the inner shell 6, so that the relative position between the outer shell 8 and the inner shell 6 is more stable.

[0032] The number of the reinforcing rib 10 is multiple, and the reinforcing rib 10 is uniformly arranged around the center line of the inner shell 6.

[0033] The multiple reinforcing ribs 10 are uniformly arranged around the center line of the inner shell 6, so that the outer shell 8 and the inner shell 6 are connected at multiple positions, and the stability of the relative position between the outer shell 8 and the inner shell 6 is further improved.

[0034] The connecting assembly includes the sealing groove body 11 matched with the top end of the centrifugal fan air outlet 20, the positioning bolt 18, and the positioning nut 19. The sealing groove body 11 is placed at the top end of the centrifugal fan air outlet 20, the positioning bolt 18 passes through the sealing groove body 11 and the top end of the centrifugal fan air outlet 20 and is threadedly connected with the positioning nut 19, and the ventilation pipe 9 is fixedly arranged on the sealing groove body 11 and communicates with the centrifugal fan air outlet 20.

[0035] The sealing groove body 11 is provided with an inner positioning hole, and the centrifugal fan air outlet 20 is provided with an outer positioning hole. The positioning bolt 18 passes through the inner positioning hole and the outer positioning hole and is threadedly connected with the positioning nut 19. When the ventilation pipe 9 and the centrifugal fan air outlet 20 are connected, the sealing groove body 11 is first placed in the top end of the centrifugal fan air outlet 20, then the positioning bolt 18 passes through the inner positioning hole and the outer positioning hole, and then the positioning nut 19 is screwed onto the positioning bolt 18. When the ventilation pipe 9 and the centrifugal fan air outlet 20 are separated, the positioning nut 19 is first unscrewed from the positioning bolt 18, then the positioning bolt 18 is taken out from the inner positioning hole and the outer positioning hole, and then the sealing groove body 11 is taken out from the centrifugal fan air outlet 20. The number of the positioning bolt 18 and the positioning nut 19 of the connecting assembly can be multiple, and the multiple positioning bolts 18 and the multiple positioning nuts 19 are uniformly arranged around the center line of the sealing groove body 11.

[0036] The sealing groove body 11 is provided with a ring-shaped sealing groove on the outer periphery, and a sealing layer 17 is fixedly arranged in the sealing groove.

[0037] The sealing layer 17 can seal the gap between the sealing groove body 11 and the inner surface of the centrifugal fan air outlet 20, preventing air from leaking out of the gap between the inner surface of the centrifugal fan air outlet 20 and the sealing groove body 11.

[0038] The base 3 is fixedly provided with a battery 5, and the battery 5 is electrically connected to the centrifugal fan 2 and the fog gun machine 7.

[0039] The battery 5 can provide power for the operation of the centrifugal fan 2 and the fog gun machine 7, and the battery 5 can be a new energy battery 5.

[0040] The outer shell 8 and the inner shell 6 are both fixedly provided with an end plate 21 at the rear end, the end plate 21 is sleeved on the fog gun head of the fog gun machine 7, and the ventilation pipe 9 is fixed on the end plate 21 of the outer shell 8.

[0041] The outer shell 8 and the inner shell 6 are both sleeved on the fog gun head of the fog gun machine 7 through the end plate 21, the centrifugal fan 2 sends air to the space between the two end plates 21 on the outer shell 8 and the inner shell 6 through the ventilation pipe 9, then the air enters the ventilation channel, and finally is sprayed out from the front end surface of the air outlet horn.

[0042] The front end surface of the fog gun machine 7 is flush with the front end surface of the air outlet horn.

[0043] The front end surface of the fog gun machine 7 is flush with the front end surface of the air outlet horn, which can maximize the spraying range of the fog gun machine 7.

[0044] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A tunnel dusting apparatus comprising a water cart body, characterised in that: The dust falling mechanism comprises a base arranged at the tail end of the body frame of the watering cart, a fog gun machine, a centrifugal fan, a ventilation pipe and an air outlet horn. The fog gun machine and the centrifugal fan are fixedly arranged on the base, the air outlet horn comprises an outer shell and an inner shell, the air outlet horn is sleeved on the fog gun head of the fog gun machine, a ventilation channel is formed between the outer shell and the inner shell, and the ventilation pipe is connected with the air outlet of the centrifugal fan and the ventilation channel.

2. A tunnel dust fall device according to claim 1, characterised in that: The mounting assembly comprises mounting bolts and mounting nuts, the body frame of the watering cart is fixedly provided with a mounting pipe, the base is fixedly provided with a mounting column, the mounting column is inserted into the mounting pipe, and the mounting bolts pass through the mounting pipe and the mounting column and are threadedly connected with the mounting nuts.

3. The tunnel dust fall device according to claim 1, wherein: The reinforcing ribs are fixedly connected to the front end surface of the air outlet horn and used for connecting the outer shell and the inner shell.

4. A tunnel dust fall device according to claim 3, characterised in that: The reinforcing ribs are arranged around the center line of the inner shell.

5. The tunnel dust fall device according to claim 1, wherein: The connecting assembly comprises a sealing groove body matched with the top end of the air outlet of the centrifugal fan, positioning bolts and positioning nuts, the sealing groove body is placed at the top end of the air outlet of the centrifugal fan, the positioning bolts pass through the sealing groove body and the top end of the air outlet of the centrifugal fan and are threadedly connected with the positioning nuts, and the ventilation pipe is fixedly arranged on the sealing groove body and connected with the air outlet of the centrifugal fan.

6. A tunnel dust fall device according to claim 5, wherein: A sealing groove is annularly arranged on the outer periphery of the sealing groove body, a sealing layer is fixedly arranged in the sealing groove, and the sealing layer abuts against the inner surface of the air outlet of the centrifugal fan.

7. The tunnel dust fall device according to claim 1, wherein: A battery is fixedly arranged on the base, and the battery is electrically connected with the centrifugal fan and the fog gun machine.

8. The tunnel dust fall apparatus of claim 1, wherein: Sealing plates are fixedly arranged at the rear ends of the outer shell and the inner shell, the sealing plates are sleeved on the fog gun head of the fog gun machine, and the ventilation pipe is fixedly arranged on the sealing plate of the outer shell.

9. The tunnel dust fall apparatus according to claim 1, wherein: The front end surface of the fog gun machine is flush with the front end surface of the air outlet horn.

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