CN220815720U - Ventilation structure for tunnel construction - Google Patents

Abstract

The utility model relates to a ventilation structure for tunnel construction, which comprises a tunnel top surface, an air inlet pipe, an air outlet pipe and a connecting chamber, wherein a cleaning mechanism is arranged at the bottom of the tunnel top surface and comprises a mounting seat fixedly mounted on the outer wall of the bottom of the tunnel top surface, a water pipe is fixedly mounted in the tunnel top surface, an input pipe is fixedly mounted on the outer wall of the bottom of the water pipe, an electric valve is fixedly mounted on the outer wall of the bottom of the input pipe, a mounting frame is fixedly mounted between the inner wall of the top of the connecting chamber and the inner wall of the bottom of the connecting chamber, and a rotating motor is fixedly mounted in the mounting frame. This ventilation structure of tunnel construction, through installation water pipe, input tube and electric valve's effect, spray on the blade with the appropriate amount, to the quick clearance of adhesion's dust on the blade, can also reduce the inside temperature of link chamber simultaneously and cool down rotating motor, improved rotating motor's work efficiency, improved the circulation efficiency of air-supply line and air-out pipe amount of wind.

Description

Ventilation structure for tunnel construction

Technical Field

The utility model relates to the technical field of tunnel construction, in particular to a ventilation structure for tunnel construction.

Background

Construction ventilation is one of important processes for long and large tunnel construction, a fan with matched power is arranged at a proper position outside a hole opening and the hole, fresh air outside the hole is conveyed to each construction position, dirty air in the hole is discharged out of the tunnel, the construction operation environment in the hole is improved, and for the long and large tunnel, the problem of ventilation is solved by improving the construction operation environment, and the foundation and the guarantee of construction work efficiency are improved.

At present, the tunnel ventilation structure needs to drive air in the pipeline to flow through the blades, but dust in the air can be adhered to the blades, dust accumulation at the edges of the blades can change the flow and direction of wind, and the front air outlet is reduced, so that the ventilation structure for tunnel construction is provided.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a ventilation structure for tunnel construction, which has the advantages of improving the air circulation efficiency and the like, and solves the problems that dust in the air can adhere to blades, the dust accumulation at the edges of the blades can change the flow and direction of the air, so that the front air outlet is reduced and the air circulation is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the ventilation structure for tunnel construction comprises a tunnel top surface, an air inlet pipe, an air outlet pipe and a connecting chamber, wherein a cleaning mechanism is arranged at the bottom of the tunnel top surface;

The cleaning mechanism comprises a mounting seat fixedly mounted on the bottom outer wall of the top surface of the tunnel, a water pipe is fixedly mounted in the tunnel, an input pipe is fixedly mounted on the bottom outer wall of the water pipe, an electric valve is fixedly mounted on the bottom outer wall of the input pipe, a mounting frame is fixedly mounted between the top inner wall and the bottom inner wall of the connecting chamber, a rotating motor is fixedly mounted in the mounting frame, four blades are fixedly mounted on the output shaft of the rotating motor, a filter screen is movably mounted on the inner walls of the left side and the right side of the connecting chamber, and two fixing screws are connected to the inner threads of the filter screen.

Further, the mount pad includes fixed block of fixed mounting in tunnel top surface bottom outer wall, the bottom outer wall fixed mounting of fixed block has the collar, play tuber pipe fixed mounting is at the inner peripheral wall and the size looks adaptation of collar.

Further, the input pipe penetrates through the inner wall of the top surface of the tunnel and extends to the inside of the connecting chamber, and the electric valve is located right above the blade.

Further, the mounting frame comprises fixing rods which are fixedly mounted on the inner wall of the top of the connecting chamber and the inner wall of the bottom of the connecting chamber, a fixing ring is fixedly mounted between the two fixing rods, and the rotating motor is fixedly mounted in the fixing ring and is adaptive to the size

Further, the bottom of the connecting chamber is internally provided with four flow holes.

Further, the inside of filter screen has been seted up a quantity and has been two screw holes, the screw groove that is two is all seted up to the inner wall of linking chamber left and right sides, set screw is in the inside and the size looks adaptation of screw hole and screw groove.

Further, the circle center of the rotating motor is the same as the circle centers of the air inlet pipe and the air outlet pipe.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

This ventilation structure of tunnel construction, through installation water pipe, input tube and electric valve's effect, spray on the blade with the appropriate amount, to the quick clearance of adhesion's dust on the blade, can also reduce the inside temperature of link chamber simultaneously and cool down rotating motor, improved rotating motor's work efficiency, improved the circulation efficiency of air-supply line and air-out pipe amount of wind.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

Fig. 2 is a schematic view of a left side structure of the mounting seat of the present utility model.

In the figure: 1. the top surface of the tunnel; 2. an air inlet pipe; 3. an air outlet pipe; 4. a connection chamber; 5. a mounting base; 6. installing a water pipe; 7. an input tube; 8. an electric valve; 9. a mounting frame; 10. a rotating motor; 11. a blade; 12. a filter screen; 13. and (5) fixing the screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a ventilation structure for tunnel construction in this embodiment includes a tunnel top surface 1, an air inlet pipe 2, an air outlet pipe 3 and a connection chamber 4, and a cleaning mechanism is disposed at the bottom of the tunnel top surface 1.

The inside circulation hole that has offered of bottom of linking chamber 4 is four in quantity, clean-up mechanism includes mount pad 5 of fixed mounting in tunnel top surface 1 bottom outer wall, mount pad 5 includes fixed mounting at the fixed block of tunnel top surface 1 bottom outer wall, the bottom outer wall fixed mounting of fixed block has the collar, go out tuber pipe 3 fixed mounting at the inner peripheral wall and the size looks adaptation of collar, the inside fixed mounting of tunnel top surface 1 has installation water pipe 6, the bottom outer wall fixed mounting of installation water pipe 6 has input tube 7, the bottom outer wall fixed mounting of input tube 7 has electric valve 8, input tube 7 runs through the inside that tunnel top surface 1 inner wall extends to linking chamber 4, electric valve 8 is located blade 11 directly over, fixed mounting has mounting bracket 9 between the top inner wall of linking chamber 4 and the bottom inner wall, the inside fixed mounting of mounting bracket 9 has rotation motor 10, rotation motor 10's centre of a circle is the same with the centre of a circle of air-supply line 2 and play tuber pipe 3.

The mounting bracket 9 is including equal fixed mounting at the dead lever of linking room 4 top inner wall and bottom inner wall, fixed mounting has solid fixed ring between two dead levers, rotate motor 10 fixed mounting in gu fixed ring's inside and size looks adaptation, rotate motor 10's output shaft fixed mounting has a quantity four blade 11, linking room 4 equal movable mounting of both sides inner wall has filter screen 12, filter screen 12's inside threaded connection has a quantity for two set screw 13, the screw hole that is two in quantity has been seted up to filter screen 12's inside, the screw groove that is two in quantity has all been seted up to linking room 4 left and right sides inner wall, set screw 13 screw is in the inside and size looks adaptation of screw hole and screw groove.

In this embodiment, the air outlet pipe 3 and the air inlet pipe 2 are respectively installed on the outer walls of the left side and the right side of the connection chamber 4, and the connection chamber 4 is fixedly installed on the outer wall of the bottom of the tunnel top surface 1.

In this embodiment, when the water is input into the connection chamber 4 through the input pipe 7, the rotation speed of the rotation motor 10 is reduced, so that a large amount of water is prevented from being discharged from the air pipe 3 due to too high rotation speed of the rotation motor 10.

In this embodiment, the sieve 12 can reduce the dust inside the connecting chamber 4.

The working principle of the embodiment is as follows:

after certain dust is adhered to the blade 11, the rotating speed of the rotating motor 10 is reduced, the electric valve 8 is opened to input water inside the input pipe 7 into the connecting chamber 4, the outer wall of the blade 11 is cleaned, the dust-cleaning water is discharged through the circulating hole formed in the bottom of the connecting chamber 4, after the blade 11 is cleaned, the electric valve 8 is closed, the rotating speed of the rotating motor 10 is recovered, and the ventilation efficiency of the air outlet pipe 3 is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a ventilation structure of tunnel construction, includes tunnel top surface (1), air-supply line (2), goes out tuber pipe (3) and linking chamber (4), its characterized in that: the bottom of the tunnel top surface (1) is provided with a cleaning mechanism;

The cleaning mechanism comprises a mounting seat (5) fixedly mounted on the outer wall of the bottom of a tunnel top surface (1), a water installation pipe (6) is fixedly mounted in the tunnel top surface (1), an input pipe (7) is fixedly mounted on the outer wall of the bottom of the water installation pipe (6), an electric valve (8) is fixedly mounted on the outer wall of the bottom of the input pipe (7), a mounting frame (9) is fixedly mounted between the inner wall of the top of a connecting chamber (4) and the inner wall of the bottom, a rotating motor (10) is fixedly mounted in the mounting frame (9), four blades (11) are fixedly mounted on the output shaft of the rotating motor (10), a filter screen (12) is movably mounted on the inner walls of the left side and the right side of the connecting chamber (4), and fixing screws (13) are fixedly connected with the two inner threads of the filter screen (12).

2. A ventilation structure for tunnel construction according to claim 1, wherein: the installation seat (5) comprises a fixed block fixedly installed on the outer wall of the bottom of the tunnel top surface (1), a mounting ring is fixedly installed on the outer wall of the bottom of the fixed block, and the air outlet pipe (3) is fixedly installed on the inner peripheral wall of the mounting ring and is adaptive to the installation ring in size.

3. A ventilation structure for tunnel construction according to claim 1, wherein: the input pipe (7) penetrates through the inner wall of the tunnel top surface (1) and extends to the inside of the connecting chamber (4), and the electric valve (8) is located right above the blade (11).

4. A ventilation structure for tunnel construction according to claim 1, wherein: the mounting frame (9) comprises fixing rods which are fixedly mounted on the inner wall of the top and the inner wall of the bottom of the connecting chamber (4), a fixing ring is fixedly mounted between the two fixing rods, and the rotating motor (10) is fixedly mounted in the fixing ring and is adaptive to the fixing ring in size.

5. A ventilation structure for tunnel construction according to claim 1, wherein: the bottom of the connecting chamber (4) is internally provided with four flow holes.

6. A ventilation structure for tunnel construction according to claim 1, wherein: the inside of filter screen (12) has offered the screw hole that is two in quantity, the screw thread groove that is two in quantity has all been offered to the inner wall of the left and right sides of linking chamber (4), set screw (13) screw thread is in the inside and the size looks adaptation of screw hole and screw thread groove.

7. A ventilation structure for tunnel construction according to claim 1, wherein: the circle center of the rotating motor (10) is the same as the circle centers of the air inlet pipe (2) and the air outlet pipe (3).