CN216043830U - Ventilation unit is used in tunnel construction - Google Patents
Ventilation unit is used in tunnel construction Download PDFInfo
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- CN216043830U CN216043830U CN202122439990.7U CN202122439990U CN216043830U CN 216043830 U CN216043830 U CN 216043830U CN 202122439990 U CN202122439990 U CN 202122439990U CN 216043830 U CN216043830 U CN 216043830U
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Abstract
The utility model discloses a ventilation device for tunnel construction, which comprises a first air supply pipe and a second air supply pipe, wherein an air inlet pipe is arranged at the pipe orifice of the first air supply pipe, a first dustproof net is arranged in the air inlet pipe, the upper end of the first air supply pipe is fixedly connected with a right-angle air inlet pipe, a second dustproof net is arranged in the right-angle air inlet pipe, and dust removing mechanisms are arranged in the air inlet pipe and the right-angle air inlet pipe. The brush can be automatically cleaned through the interaction of the air inlet pipe and the right-angle air inlet pipe; the length of the ventilation device can be adjusted and fixed by arranging the limiting rod, the gear and the rack; the horizontal position of the ventilation device can be adjusted through the screw and the hollow cylinder.
Description
Technical Field
The utility model relates to the technical field of ventilation in tunnel construction, in particular to a ventilation device for tunnel construction.
Background
The tunnel is an engineering building buried in the stratum and is a form of utilizing underground space by human beings, and the tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel. In order to ensure that a ventilation device is arranged in the tunnel construction process, workers in the tunnel are ensured to breathe fresh air.
However, dust in the tunnel is more and is easy to adhere to the dust screen, when the dust is accumulated too much, the ventilation effect is poor, and the safety of workers is affected, and most of the conventional ventilation devices are used for manually cleaning the dust screen, so that the process is time-consuming and labor-consuming; in addition, the existing ventilation pipeline has a certain length and cannot adapt to different construction environments; the tunnel construction ground is mostly uneven ground, and places ventilation unit and easily takes place to empty on uneven ground to damage ventilation unit, influence ventilation effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a ventilation device for tunnel construction.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a ventilation unit is used in tunnel construction, includes first air feed pipe and second air feed pipe, the mouth of pipe department of first air feed pipe installs the air-supply line, install first dust screen in the intraductal of air-supply line, the upper end fixedly connected with right angle air-supply line of first air feed pipe, install the second dust screen in the intraductal of right angle air-supply line, install dust removal mechanism in air-supply line and the right angle air-supply line.
Preferably, the inner wall of the first air supply pipe is fixedly connected with a motor through a fixing column, and the output end of the motor is fixedly connected with a first fan.
Preferably, the dust removal mechanism includes a brush which is installed on the first dust screen in a penetrating manner, is rotatably connected with the first dust screen and is abutted against the first dust screen, an empty groove is formed in the upper wall of the first air supply pipe and is communicated with the right-angle air inlet pipe, a second fan is arranged inside the empty groove, an L-shaped rod is arranged at the lower end of the second fan, a through groove is formed in the L-shaped rod, the lower end of the second fan penetrates through the through groove and is rotatably connected with the second fan, one end of the L-shaped rod is fixedly connected with the inner wall of the first air supply pipe, bevel gears are fixedly connected to the brush and the second fan, and the two first bevel gears are meshed with each other.
Preferably, the outer surface of the second air supply pipe is fixedly connected with a sliding block, and the inner wall of the first air supply pipe is provided with a sliding groove matched with the sliding block.
Preferably, the inner wall of first air feed pipe is equipped with accomodates the groove, accomodate the inner wall fixedly connected with stopper in groove, be equipped with the spacing groove in the stopper, the spacing inslot be equipped with rather than sliding connection's gag lever post, fixedly connected with spring between gag lever post and the spacing groove, the other end of gag lever post runs through the spacing groove and rather than sliding connection, the inner wall rotation of accomodating the groove is connected with the gear, the rack is installed to the outer wall of second air feed pipe, gag lever post and rack all offset with the surface of gear.
Preferably, one end of the limiting rod, which is abutted against the gear, is in a trapezoidal shape, and the limiting rod and the rack are both meshed with teeth on the surface of the gear.
Preferably, the one end fixedly connected with of second air feed pipe goes out the tuber pipe, a plurality of threaded rods of bottom fixedly connected with of first air feed pipe and play tuber pipe, hollow section of thick bamboo is installed to the lower extreme of threaded rod, be equipped with the screw hole in the hollow section of thick bamboo, threaded rod and screw hole phase-match and rather than threaded connection, the base of being connected rather than rotating is installed to the lower extreme of hollow section of thick bamboo.
Preferably, four threaded rods are installed at the bottom of the first air supply pipe, and two threaded rods are installed at the bottom of the air outlet pipe.
Preferably, the base is made of rubber.
Preferably, the first air supply pipe, the second air supply pipe and the air outlet pipe are all made of stainless steel.
The utility model has the beneficial effects that:
1. through the interaction of the air inlet pipe and the right-angle air inlet pipe, when excessive dust is accumulated in the air inlet pipe, the air inlet pipe can be automatically cleaned by a brush without manual periodical dust removal.
2. Through setting up gag lever post, gear and rack, enable the second air feed pipe and slide in first air feed pipe, make its length of adjusting ventilation unit and fixed.
3. The height of the ventilation device can be adjusted through the action of the screw and the hollow cylinder, so that the ventilation device is in a horizontal position, the situation that the ventilation device topples over due to uneven ground is avoided, and the stability of the ventilation device is improved.
According to the utility model, the brush can be automatically cleaned through the interaction of the air inlet pipe and the right-angle air inlet pipe; the length of the ventilation device can be adjusted and fixed by arranging the limiting rod, the gear and the rack; the horizontal position of the ventilation device can be adjusted through the screw and the hollow cylinder.
Drawings
Fig. 1 is a schematic structural view of a ventilation apparatus for tunnel construction according to embodiment 1.
Fig. 2 is a schematic structural view of a ventilation apparatus for tunnel construction according to embodiment 2.
Fig. 3 is an enlarged view of a structure at a point a in the ventilation apparatus for tunnel construction proposed in embodiment 2.
Fig. 4 is a schematic structural view of a ventilation apparatus for tunnel construction according to embodiment 3.
Fig. 5 is a right side view of a ventilation apparatus for tunnel construction according to embodiment 3.
In the figure: the air conditioner comprises a first air supply pipe 1, a first fan 2, a second air supply pipe 3, an air inlet pipe 4, a first dust screen 5, a brush 6, a bevel gear 7, a right-angle air inlet pipe 8, a second dust screen 9, an empty slot 10, a second fan 11, a 12L-shaped rod, a sliding block 13, a receiving slot 14, a limiting block 15, a limiting rod 16, a spring 17, a gear 18, a rack 19, a threaded rod 20, a hollow cylinder 21, a base 22 and an air outlet pipe 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1, a ventilation unit for tunnel construction, including first air feed pipe 1 and second air feed pipe 3, the inner wall of first air feed pipe 1 passes through fixed column fixedly connected with motor, the first fan 2 of output fixedly connected with of motor, the mouth of pipe department of first air feed pipe 1 installs air-supply line 4, install first dust screen 5 in the pipe of air-supply line 4, the upper end fixedly connected with right angle air-supply line 8 of first air feed pipe 1, install second dust screen 9 in the pipe of right angle air-supply line 8, install dust removal mechanism in air-supply line 4 and the right angle air-supply line 8.
Dust removal mechanism is including running through the brush 6 of installing on first dust screen 5 and being connected and offset rather than rotating, brush 6 comprises pole brush and dead lever, be equipped with dead slot 10 in the upper wall of first confession tuber pipe 1, dead slot 10 is linked together with right angle air-supply line 8, the inside second fan 11 that is equipped with of dead slot 10, second fan 11 comprises flabellum and actuating lever, second fan 11 lower extreme is equipped with L type pole 12, be equipped with logical groove on the L type pole 12, 11 lower extremes of second fan run through logical groove and be connected rather than rotating, the one end of L type pole 12 and the inner wall fixed connection of first confession tuber pipe 1, L type pole 12 is used for spacing second fan 11, equal fixedly connected with bevel gear 7 on brush 6 and the second fan 11, two bevel gear 7 mesh mutually.
To explain further, firstly, a worker starts the first fan 2 to rotate, air enters from the air inlet pipe 4 and the right-angle air inlet pipe 8, because the air inlet pipe 4 is larger than the right-angle air inlet pipe 8, the air enters preferentially from the air inlet pipe 4, the air entering from the right-angle air inlet pipe 8 is ignored, when dust accumulates on the air inlet pipe 4, the first dust screen 5 is blocked, at the moment, the air enters preferentially from the right-angle air inlet pipe 8, when the wind speed can drive the second fan 11 to rotate, the brush 6 is driven to rotate through the action of the bevel gear 7, the dust on the first dust screen 5 can be cleaned, when the brush 6 is cleaned, the air enters preferentially from the air inlet pipe 4, the second fan 11 stops working, and when dust removal is needed next time, the process is repeated, and automatic dust removal is achieved.
Example 2
Referring to fig. 2 to 3, the embodiment is different from embodiment 1 in that a sliding block 13 is fixedly connected to an outer surface of the second air supply pipe 3, a sliding groove matched with the sliding block 13 is formed in an inner wall of the first air supply pipe 1, and the first air supply pipe 1 is connected to the second air supply pipe 3 through a limiting mechanism.
The inner wall of first air feed pipe 1 is equipped with accomodates groove 14, accomodate inner wall fixedly connected with stopper 15 of groove 14, be equipped with the spacing groove in the stopper 15, the spacing inslot is equipped with rather than sliding connection's gag lever post 16, fixedly connected with spring 17 between gag lever post 16 and the spacing groove, the other end of gag lever post 16 runs through the spacing groove and rather than sliding connection, the inner wall rotation of accomodating groove 14 is connected with gear 18, rack 19 is installed to the outer wall of second air feed pipe 3, gag lever post 16 and rack 19 all offset with gear 18's surface.
The end of the limiting rod 16, which is abutted against the gear 18, is in a trapezoidal shape, and both the limiting rod 16 and the rack 19 are meshed with teeth on the surface of the gear 18.
Further explain, when needs adjust ventilation unit's length in order to adapt to different construction environment, pulling second air feed pipe 3, drive rack 19 and remove to make gear 18 rotate, gear 18 drives gag lever post 16 and is reciprocating motion from top to bottom under spring 17's effect, when second air feed pipe 3 adjusts suitable position, stop the pulling, at this moment under spring 17's effect, let gag lever post 16 support on gear 18's the teeth of a cogwheel, the realization is spacing to second air feed pipe 3.
Example 3
Referring to fig. 4-5, the difference between this embodiment and embodiments 1 and 2 is that in this embodiment, the other end of the second air supply duct 3 is fixedly connected with an air outlet duct 23, and the first air supply duct 1, the second air supply duct 3 and the air outlet duct 23 are all made of stainless steel.
One end fixedly connected with of second confession tuber pipe 3 goes out tuber pipe 23, a plurality of threaded rods 20 of bottom fixedly connected with of first confession tuber pipe 1 and play tuber pipe 23, hollow section of thick bamboo 21 is installed to the lower extreme of threaded rod 20, be equipped with the screw hole in the hollow section of thick bamboo 21, threaded rod 20 and screw hole phase-match and rather than threaded connection, base 22 rather than rotating the connection is installed to the lower extreme of hollow section of thick bamboo 21, base 22 is the rubber material, four threaded rods 20 are installed to the bottom of first confession tuber pipe 1, two threaded rods 20 are installed to the bottom of play tuber pipe 23.
To explain further, after the ventilating device is placed at a designated position, the base 22 is pressed against the ground, and when the ground is uneven, a worker holds the hollow cylinder 21 and rotates the hollow cylinder to cause the threaded rod 20 screwed with the hollow cylinder 21 to move up and down, thereby adjusting the first air supply pipe 1, the second air supply pipe 3 and the air outlet pipe 23 to be positioned on the same horizontal plane.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a ventilation unit for tunnel construction, includes first confession tuber pipe (1) and second confession tuber pipe (3), its characterized in that: the utility model discloses a dust removal device, including air supply pipe (1), air-supply pipe (4), the intraductal first dust screen (5) of installing of air-supply pipe (4), upper end fixedly connected with right angle air-supply pipe (8) of first air supply pipe (1), second dust screen (9) are installed to the intraductal second dust screen (9) of installing of right angle air-supply pipe (8), install dust removal mechanism in air-supply pipe (4) and right angle air-supply pipe (8).
2. The ventilation device for tunnel construction as claimed in claim 1, wherein the inner wall of the first air supply pipe (1) is fixedly connected with a motor through a fixed column, and the output end of the motor is fixedly connected with a first fan (2).
3. The ventilation device for tunnel construction according to claim 1, wherein the dust removing means comprises a brush (6) which is penetratingly mounted on the first dust screen (5) and rotatably connected thereto and abuts against the same, an empty groove (10) is arranged in the upper wall of the first air supply pipe (1), the empty groove (10) is communicated with the right-angle air inlet pipe (8), a second fan (11) is arranged in the empty groove (10), an L-shaped rod (12) is arranged at the lower end of the second fan (11), a through groove is arranged on the L-shaped rod (12), the lower end of the second fan (11) penetrates through the through groove and is rotationally connected with the through groove, one end of the L-shaped rod (12) is fixedly connected with the inner wall of the first air supply pipe (1), the brush (6) and the second fan (11) are fixedly connected with bevel gears (7), and the two bevel gears (7) are meshed.
4. The ventilation device for tunnel construction according to claim 1, wherein a sliding block (13) is fixedly connected to the outer surface of the second air supply pipe (3), and a sliding groove matched with the sliding block (13) is formed in the inner wall of the first air supply pipe (1).
5. The ventilation device for tunnel construction according to claim 1, wherein the inner wall of the first air supply pipe (1) is provided with a storage groove (14), the inner wall of the storage groove (14) is fixedly connected with a limiting block (15), the limiting block (15) is provided with a limiting groove, the limiting groove is provided with a limiting rod (16) in sliding connection with the limiting groove, a spring (17) is fixedly connected between the limiting rod (16) and the limiting groove, the other end of the limiting rod (16) penetrates through the limiting groove and is in sliding connection with the limiting groove, the inner wall of the storage groove (14) is rotatably connected with a gear (18), the outer wall of the second air supply pipe (3) is provided with a rack (19), and the limiting rod (16) and the rack (19) are both abutted against the surface of the gear (18).
6. The ventilation device for tunnel construction according to claim 5, wherein the end of the limiting rod (16) abutting against the gear (18) is trapezoidal, and the limiting rod (16) and the rack (19) are engaged with teeth on the surface of the gear (18).
7. The ventilation device for tunnel construction according to claim 1, wherein one end of the second air supply pipe (3) is fixedly connected with an air outlet pipe (23), the bottom ends of the first air supply pipe (1) and the air outlet pipe (23) are fixedly connected with a plurality of threaded rods (20), the lower end of each threaded rod (20) is provided with a hollow cylinder (21), a threaded hole is formed in each hollow cylinder (21), each threaded rod (20) is matched with the corresponding threaded hole and is in threaded connection with the corresponding threaded hole, and the lower end of each hollow cylinder (21) is provided with a base (22) which is rotatably connected with the corresponding threaded hole.
8. The ventilation apparatus for tunnel construction according to claim 7, wherein four threaded rods (20) are installed at the bottom of the first air supply pipe (1), and two threaded rods (20) are installed at the bottom of the air outlet pipe (23).
9. The ventilation device for tunnel construction according to claim 7, wherein the base (22) is made of rubber.
10. The ventilation device for tunnel construction according to claim 7, wherein the first air supply pipe (1), the second air supply pipe (3) and the air outlet pipe (23) are all made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122439990.7U CN216043830U (en) | 2021-10-11 | 2021-10-11 | Ventilation unit is used in tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122439990.7U CN216043830U (en) | 2021-10-11 | 2021-10-11 | Ventilation unit is used in tunnel construction |
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| Publication Number | Publication Date |
|---|---|
| CN216043830U true CN216043830U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122439990.7U Active CN216043830U (en) | 2021-10-11 | 2021-10-11 | Ventilation unit is used in tunnel construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116971816A (en) * | 2023-09-11 | 2023-10-31 | 湖南天晟源消防科技有限公司 | Tunnel construction ventilation unit |
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2021
- 2021-10-11 CN CN202122439990.7U patent/CN216043830U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116971816A (en) * | 2023-09-11 | 2023-10-31 | 湖南天晟源消防科技有限公司 | Tunnel construction ventilation unit |
| CN116971816B (en) * | 2023-09-11 | 2024-03-29 | 湖南天晟源消防科技有限公司 | Tunnel construction ventilation unit |
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