Humidifying and ventilating device for tunnel construction

Abstract

The utility model discloses a humidifying and ventilating device for tunnel construction, which relates to the technical field of ventilating devices for tunnel construction and comprises a base, a lifting device is arranged on the base, a ventilating barrel is fixedly mounted at the upper end of the lifting device, filter screens are respectively arranged at two ends of the ventilating barrel, and a detaching component is arranged between each filter screen and the ventilating barrel. The height of the ventilation barrel is adjusted through the lifting assembly, so that the ventilation barrel is suitable for ventilation work at any height, the interior of a tunnel is ventilated through the air inlet fan and the air exhaust fan, dust and impurities can be filtered out through the filter screen during air inlet and air exhaust, meanwhile, water in the water tank is guided into the atomization spray head through the water pump, and the atomization spray head is used for spraying water. According to the tunnel dust removal device, under the action of the exhaust fan, vaporific water is sprayed into the air, then dust in a tunnel is subjected to dust removal treatment, the filter screen can be replaced by disassembling the assembly so as to keep fresh air and guarantee the body health of constructors, and meanwhile the comfort degree of the working environment can be improved through ventilation.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel construction ventilation device technical field, concretely is a humidification ventilation device for tunnel construction. BACKGROUND

[0002] With the rapid development of urban construction, convenient transportation is one of the important factors that mark the city into rapid development. Subway construction is also advancing with the times, and subway construction technology is also constantly improving. After years of development, China's subway construction method has developed from the initial single open cut method to the current open cut, blind excavation, shield and other methods coexist, and the construction technology is constantly developing and improving;

[0003] The existing tunnel is excavated, the air in the tunnel is not sufficient, so a ventilation device is needed to keep the air in the tunnel circulating, and the existing ventilation device mostly only uses a single ventilation method to ventilate the tunnel, and the dust in the tunnel cannot be effectively settled, which can easily affect the physical health of the workers during construction, and the dust cannot be effectively removed and is prone to dust explosion. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a humidification ventilation device for tunnel construction, which solves the technical problems that the existing tunnel is excavated, the air in the tunnel is not sufficient, so a ventilation device is needed to keep the air in the tunnel circulating, the existing ventilation device mostly only uses a single ventilation method to ventilate the tunnel, and the dust in the tunnel cannot be effectively settled, which can easily affect the physical health of the workers during construction, and the dust cannot be effectively removed and is prone to dust explosion.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a humidification ventilation device for tunnel construction, comprising a base, the base is provided with a lifting device, the lifting device is fixedly installed with a ventilation cylinder at the upper end, the ventilation cylinder is provided with a filter screen at both ends, the filter screen and the ventilation cylinder are provided with a dismounting assembly, the ventilation cylinder is provided with an air inlet fan and an exhaust fan from left to right, the outer upper wall of the ventilation cylinder is fixedly installed with a water tank, the water tank is fixedly installed with a water pump, the water pump and the water tank are connected with a water inlet pipe, the inner wall of one end of the ventilation cylinder is fixedly installed with an annular water pipe, the water pump and the annular water pipe are connected with a drain pipe, and a plurality of atomizing nozzles are fixedly installed on the annular water pipe.

[0006] Preferably, the lifting device comprises a cylinder column fixedly installed on the base, a first motor fixedly installed on the inner lower wall of the cylinder column, a lead screw fixedly installed on the driving end of the first motor, a sliding groove respectively formed on the two side walls of the cylinder column, a sliding block slidingly installed in the sliding groove, a support rod fixedly installed between the sliding blocks, the upper end of the support rod penetrating through the upper end of the cylinder column, a ventilation cylinder fixedly installed on the upper end of the support rod, and a first threaded groove formed on the lower end of the support rod, the lead screw being engagedly connected in the first threaded groove.

[0007] Preferably, the side wall of the cylinder column and close to the first motor is provided with an access door.

[0008] Preferably, the dismounting assembly comprises a pair of cover plates, an opening is formed on the upper wall of the ventilation cylinder and above the filter screen, the cover plates are hingedly connected in the cover plates, a pair of sliding rails are respectively fixedly installed on the front and rear walls of the ventilation cylinder, the upper ends of the sliding rails are in open structure, the filter screen is slidingly installed in the sliding rails, a rotating block is rotatably installed on the upper wall of the ventilation cylinder and on one side of the opening, a limiting column is fixedly installed on the upper wall of the cover plate, a groove is formed on the rotating block, and the limiting column is inserted in the groove.

[0009] Preferably, a threaded hole is formed on the upper wall of the rotating block, a second threaded groove is formed on the upper wall of the limiting column, a limiting bolt is screwed in the threaded hole, and the limiting bolt is screwed in the second threaded groove.

[0010] Preferably, self-locking universal wheels are respectively installed at the four corners of the lower wall of the base.

[0011] Beneficial effects

[0012] The humidifying and ventilating device for tunnel construction solves the technical problem that the existing ventilation device is only used for ventilating the tunnel in a single way, the dust in the tunnel cannot be effectively removed, the health of the workers is affected, and the dust explosion risk is high. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the main view structural schematic drawing of the humidification and ventilation device for tunnel construction.

[0014] Figure 2 It is the section view structural schematic drawing of the humidification and ventilation device for tunnel construction.

[0015] Figure 3 It is the annular water pipe structure schematic drawing of the humidification and ventilation device for tunnel construction.

[0016] Figure 4 It is the dismounting assembly structure schematic drawing of the humidification and ventilation device for tunnel construction.

[0017] In the drawing: 1, base; 2, ventilation cylinder; 3, filter screen; 4, air inlet fan; 5, air outlet fan; 6, water tank; 7, water pump; 8, water inlet pipe; 9, annular water pipe; 10, drain pipe; 11, atomizing nozzle; 12, cylinder column; 13, first motor; 14, lead screw; 15, sliding groove; 16, sliding block; 17, support rod; 18, access door; 19, cover plate; 20, sliding rail; 21, rotating block; 22, limiting column; 23, groove; 24, limiting bolt; 25, self-locking universal wheel. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figures 1-4 The utility model provides a technical scheme: a humidification and ventilation device for tunnel construction, including base 1, be equipped with lifting device on base 1, the lifting device upper end fixed mounting has ventilation cylinder 2, ventilation cylinder 2 both ends are equipped with filter screen 3 respectively, be equipped with dismounting assembly between filter screen 3 and ventilation cylinder 2, ventilation cylinder 2 inside from left to right installation has air inlet fan 4 and air outlet fan 5, ventilation cylinder 2 outer upper wall surface fixed mounting has water tank 6, water tank 6 is fixed mounting and has water pump 7, water pump 7 and water tank 6 are connected with water inlet pipe 8, ventilation cylinder 2 one end inner wall surface fixed mounting has annular water pipe 9, water pump 7 and annular water pipe 9 are connected with drain pipe 10, annular water pipe 9 is fixed mounting and has a plurality of atomizing nozzles 11.

[0020] The embodiment is further provided with the lifting device, which comprises a cylinder 12 fixedly installed on the base 1, a first motor 13 fixedly installed on the inner lower wall of the cylinder 12, a lead screw 14 fixedly installed on the driving end of the first motor 13, a sliding groove 15 respectively formed on the two side walls of the cylinder 12, a sliding block 16 slidingly installed in the sliding groove 15, and a support rod 17 fixedly installed between the sliding blocks 16 and penetrating through the upper end of the cylinder 12, wherein the ventilation cylinder 2 is fixedly installed on the upper end of the support rod 17, and the lower end of the support rod 17 is provided with a first threaded groove, and the lead screw 14 is engagedly connected in the first threaded groove.

[0021] The embodiment is further provided with the cylinder 12, which is provided with a maintenance door 18 on the side wall close to the first motor 13.

[0022] The embodiment is further provided with the dismounting assembly, which comprises a pair of cover plates 19, an opening formed in the upper wall of the ventilation cylinder 2 above the filter screen 3, the cover plate 19 hingedly connected in the cover plate 19, a pair of sliding rails 20 respectively fixedly installed on the front and rear walls of the ventilation cylinder 2, the upper end of the sliding rail 20 being in an open structure, the filter screen 3 slidingly installed in the sliding rail 20, a rotating block 21 rotatably installed on the upper wall of the ventilation cylinder 2 on one side of the opening, a limiting column 22 fixedly installed on the upper wall of the cover plate 19, a groove 23 formed in the rotating block 21, and the limiting column 22 inserted into the groove 23.

[0023] The embodiment is further provided with the rotating block 21, which is provided with a threaded hole in the upper wall, the limiting column 22 is provided with a second threaded groove in the upper wall, a limiting bolt 24 is screwed into the threaded hole, and the limiting bolt 24 is screwed into the second threaded groove.

[0024] The embodiment is further provided with the base 1, which is provided with a self-locking universal wheel 25 at each of the four corners of the lower wall.

[0025] The detailed connection means is a technology known in the art, and the working principle and process are mainly introduced below, and the specific work is as follows.

[0026] Embodiment: According to the description and the drawings, in use, the base 1 is moved to the position of the tunnel needing ventilation through the self-locking universal wheel 25, the first motor 13 is started, the first motor 13 drives the screw rod 14 to rotate, the screw rod 14 is connected with the supporting rod 17 through the first threaded groove, and the screw rod 14 drives the supporting rod 17 to rotate, the supporting rod 17 is moved along the path of the sliding groove 15 under the action of the sliding block 16, the supporting rod 17 drives the ventilation cylinder 2 to move, and the height of the ventilation cylinder 2 is adjusted, the air inlet fan 4 and the air outlet fan 5 are started, and flowing air is formed, the water pump 7 is started, the water pump 7 guides the water in the water tank 6 into the drain pipe 10 through the water inlet pipe 8, the water source is guided into the annular water pipe 9 through the drain pipe 10, the water source is atomized through the atomizing nozzle 11, the atomized water source is blown by the air blown by the air outlet fan 5, and the atomized water source is blown into the air, and the dust falling process is performed on the dust;

[0027] When the filter screen 3 needs to be replaced, the limiting bolt 24 is unscrewed from the threaded hole and the second threaded groove, the rotating block 21 is rotated to separate the rotating block 21 from the limiting column 22, the cover plate 19 is opened, the filter screen 3 is taken out from the sliding rail 20, and a new filter screen 3 is replaced, the cover plate 19 is closed, the rotating block 21 is rotated, the limiting column 22 is inserted into the groove 23, the threaded hole is matched with the second threaded groove, and the limiting bolt 24 is screwed into the threaded hole and the second threaded groove.

[0028] It should be noted that, in this document, the relationship 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 such actual relationship or sequence between the entities or operations.

Claims

1. A humidifying ventilation device for tunnel construction comprising a base (1), characterized in that, The base (1) is provided with lifting device, the lifting device upper end fixed mounting has ventilation tube (2), ventilation tube (2) both ends are respectively provided with filter screen (3), filter screen (3) and ventilation tube (2) between are provided with dismounting assembly, ventilation tube (2) inside from left to right are installed in proper order with air inlet fan (4) and exhaust fan (5), ventilation tube (2) outer upper wall surface fixed mounting has water tank (6), water tank (6) on fixed mounting has water pump (7), water pump (7) and water tank (6) between are connected with water inlet pipe (8), ventilation tube (2) one end inner wall surface fixed mounting has annular water pipe (9), water pump (7) and annular water pipe (9) between are connected with drain pipe (10), annular water pipe (9) on fixed mounting has a plurality of atomizing nozzle (11).

2. The humidifying and ventilating device for tunnel construction according to claim 1, characterized in that The lifting device includes cylinder (12), the cylinder (12) is fixedly installed on the base (1), the first motor (13) is fixedly installed on the lower wall of the cylinder (12) inside, the driving end of the first motor (13) is fixedly installed with a lead screw (14), the sliding grooves (15) are respectively formed on the both side walls of the cylinder (12) inside, the sliding blocks (16) are slidingly installed in the sliding grooves (15), the support rods (17) are fixedly installed between the sliding blocks (16), the upper ends of the support rods (17) penetrate through the upper end of the cylinder (12), the ventilation tube (2) is fixedly installed on the upper end of the support rod (17), the first threaded groove is formed in the lower end of the support rod (17), and the lead screw (14) is engagedly connected in the first threaded groove.

3. The humidifying and ventilating device for tunnel construction according to claim 2, characterized in that The side wall of the cylinder (12) and close to the first motor (13) is provided with an access door (18).

4. The humidifying and ventilating device for tunnel construction according to claim 1, characterized in that The dismounting assembly includes a pair of cover plates (19), the upper wall of the ventilation tube (2) and above the filter screen (3) is provided with an opening, the cover plates (19) are hingedly connected in the cover plates (19), a pair of slide rails (20) are fixedly installed on the front and rear walls of the ventilation tube (2) inside, the upper ends of the slide rails (20) are open structure, the filter screen (3) is slidingly installed in the slide rails (20), the rotating blocks (21) are rotatably installed on the upper wall of the ventilation tube (2) and on one side of the opening, the limiting columns (22) are fixedly installed on the upper wall of the cover plates (19), the recesses (23) are formed in the rotating blocks (21), and the limiting columns (22) are inserted into the recesses (23).

5. The humidifying and ventilating device for tunnel construction according to claim 4, characterized in that The threaded holes are formed in the upper wall of the rotating blocks (21), the second threaded grooves are formed in the upper wall of the limiting columns (22), the limiting bolts (24) are screwed into the threaded holes, and the limiting bolts (24) are screwed into the second threaded grooves.

6. The humidifying and ventilating device for tunnel construction according to claim 1, characterized in that The self-locking universal wheels (25) are installed at the four corners of the lower wall of the base (1).

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