A ventilation pipeline for tunnel construction

Abstract

The utility model relates to the technical field of ventilation in tunnel construction, specifically a ventilation duct for tunnel construction, comprising: a main body, including a frame, an air intake pipe is fixedly connected to the surface of the frame, a gas delivery pipe is fixedly connected to one side of the air intake pipe, a protective net is installed on the other side of the air intake pipe, a fan is fixedly connected to the inside of the air intake pipe, and blades are installed on the surface of the fan; a cleaning mechanism, including a motor. The utility model arranges a motor inside the air intake pipe so that the motor drives a scraper to slide on the inner surface of the air intake pipe, so as to achieve the effect of cleaning the inner wall of the air intake pipe after long-term use, avoid dust adhering to the surface and making it difficult to clean, and at the same time, the motor-driven cleaning method is used to change the manual cleaning method, which can increase the cleaning efficiency, and under the connection of the screws and screw holes, the scraper can be disassembled and replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation for tunnel construction, in particular to a ventilation pipeline for tunnel construction. Background Art

[0002] Tunnel construction creates the required air environment for the construction space through ventilation, supplies fresh air to the interior of the construction, removes harmful gases, vapors, dust, blasting smoke and other harmful substances, and makes the temperature, relative humidity and flow rate of the air inside the project meet the specified standards.

[0003] During tunnel construction, external air is transported into the tunnel through fans in ventilation ducts. However, due to long-term transportation of external air by existing ventilation ducts, the inner surface of the air inlet pipe equipped with the fan will be covered with dust. Manual cleaning is required during the cleaning process, which can easily cause cleaning difficulties and affect the cleaning efficiency. Utility Model Content

[0004] The utility model aims to provide a ventilation duct for tunnel construction, so as to solve the problem proposed in the above-mentioned background technology that the ventilation duct transports external air for a long time, and the inner surface of the air inlet pipe equipped with a fan will be covered with dust, and manual cleaning is required during the cleaning process, which easily causes cleaning difficulties and affects the cleaning efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution, a ventilation pipeline for tunnel construction, comprising:

[0006] The main body comprises a frame, an air inlet pipe is fixedly connected to the surface of the frame, an air delivery pipe is fixedly connected to one side of the air inlet pipe, a protective net is installed on the other side of the air inlet pipe, a fan is fixedly connected to the inside of the air inlet pipe, and blades are installed on the surface of the fan;

[0007] The cleaning mechanism includes a motor, which is installed on the inner surface of the air intake pipe, the inner surface of the air intake pipe is fixedly connected with a mounting rod, the surface of the motor is installed with a connecting rod, the surface of the connecting rod is fixedly connected with a cross bar, the surface of the cross bar is provided with a storage groove and a socket, the surface of the storage groove is plug-connected with a scraper, the interior of the scraper is provided with a screw hole, and the surface of the socket is installed with a screw.

[0008] Preferably, one end of the mounting rod is fixedly connected to the inner surface of the air intake pipe, and the other end of the mounting rod is fixedly connected to the surface of the motor. The surface of the connecting rod is "L"-shaped, the length of the cross bar is the same as the length of the scraper, and two groups of jacks and screw holes are provided.

[0009] Preferably, two groups of the sockets are opened at both ends of the cross bar, and two groups of the screw holes are opened at both ends of the scraper. The number of the sockets in each group is two, and each group of the sockets is arranged on both sides of the scraper. The screws are plugged and connected to the surface of the sockets, and the screws are connected to the surface of the screw holes through threads.

[0010] Preferably, a connecting mechanism is provided on the surface of the protective net, and the connecting mechanism includes a mounting frame, the mounting frame is fixedly connected to the outer surface of the air intake pipe, the surface of the mounting frame is provided with a card slot, the outer surface of the protective net is fixedly connected with a clamping plate, the surface of the mounting frame is fixedly connected with a mounting bin, the surface of the clamping plate is fixedly connected with a mounting plate, the surface of the mounting plate is provided with a slot, the surface of the mounting bin is provided with a through hole, the interior of the mounting bin is movably connected with a plug plate and a pull rod, and the inner surface of the mounting bin is fixedly connected with a support spring.

[0011] Preferably, the locking plate and the protective net are snap-connected to the surface of the locking slot, the mounting bin is abutted against the surface of the mounting plate, two groups of slots are provided, one group of slots is opened on the surface of the mounting plate, and the other group of slots is opened on the surface of the mounting bin, and the surface of the plug plate is "convex".

[0012] Preferably, one side of the plug plate is abutted against the inner surface of the installation bin, the other side of the plug plate is snap-connected to the surface of the slot, the surface of the pull rod is T-shaped, the pull rod is movably connected to the surface of the through hole, and the pull rod is fixedly connected to the surface of the plug plate.

[0013] Preferably, two groups of support springs are provided, and the two groups of support springs are arranged on both sides of the pull rod, one end of the support spring is fixedly connected to the inner surface of the installation bin, and the other end of the support spring is fixedly connected to the surface of the plug board.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By arranging a motor inside the air intake pipe, the motor drives the scraper to slide on the inner surface of the air intake pipe, so as to achieve the effect of cleaning the inner wall of the air intake pipe after long-term use, and avoid dust adhering to the surface and making it difficult to clean. At the same time, the motor-driven cleaning method is used to change the manual cleaning method, which can increase the cleaning efficiency. In addition, with the connection of screws and screw holes, the scraper can be disassembled and replaced.

[0016] The air intake pipe and the guard net are separated to change the original bolt connection method between the guard net and the air intake pipe, and the installation effect of the guard net can be achieved through the connection of the installation frame and the clamping plate, and the plug plate is inserted into the slot under the action of the supporting force applied by the support spring to achieve the effect of limiting the installed guard net, thereby making the disassembly and assembly of the guard net more convenient, and facilitating its disassembly and cleaning inside and outside. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a left-side perspective schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a right-side perspective cross-sectional schematic diagram of the structure of the utility model;

[0019] Figure 3 It is a three-dimensional schematic diagram of the structure of the motor of the utility model;

[0020] Figure 4 It is a partial three-dimensional cross-sectional schematic diagram of the structure of the installation frame of the utility model;

[0021] Figure 5 For this utility model Figure 3 A three-dimensional schematic diagram of the structure of the middle screw;

[0022] Figure 6 For this utility model Figure 4 A schematic diagram of a partial three-dimensional cross-sectional view of the structure of the middle installation chamber.

[0023] In the figure: 1. frame; 11. air inlet pipe; 12. air delivery pipe; 13. protective net; 14. fan; 15. blade; 2. motor; 21. mounting rod; 22. connecting rod; 23. cross bar; 24. storage slot; 25. plug hole; 26. scraper; 27. screw hole; 28. screw; 3. mounting frame; 31. slot; 32. snap plate; 33. mounting compartment; 34. mounting plate; 35. slot; 36. through hole; 37. plug plate; 38. pull rod; 39. support spring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-6 , an embodiment provided by the utility model:

[0026] A ventilation pipeline for tunnel construction, comprising:

[0027] The main body includes a frame 1, an air intake pipe 11 is fixedly connected to the surface of the frame 1, an air delivery pipe 12 is fixedly connected to one side of the air intake pipe 11, a protective net 13 is installed on the other side of the air intake pipe 11, a fan 14 is fixedly connected to the inside of the air intake pipe 11, and a blade 15 is installed on the surface of the fan 14. The frame 1 can support the air intake pipe 11. When using the ventilation pipe, the fan 14 needs to be started to drive the blade 15 to rotate, and the external air is transported along the air intake pipe 11 and the air delivery pipe 12 into the tunnel to achieve the ventilation effect. The protective net 13 can prevent large debris from entering the pipe;

[0028] The cleaning mechanism includes a motor 2, which is installed on the inner surface of the intake pipe 11. The inner surface of the intake pipe 11 is fixedly connected with a mounting rod 21. A connecting rod 22 is installed on the surface of the motor 2. A cross bar 23 is fixedly connected to the surface of the connecting rod 22. A storage groove 24 and a socket 25 are provided on the surface of the cross bar 23. A scraper 26 is plugged and connected to the surface of the storage groove 24. A screw hole 27 is provided inside the scraper 26. A screw 28 is installed on the surface of the socket 25. The cleaning mechanism can be installed on the inner surface of the intake pipe 11 through the mounting rod 21. The output shaft of the motor 2 is fixedly connected to the connecting rod 22. When cleaning is needed, the motor 2 only needs to be started to drive the scraper 26 to slide on the inner surface of the intake pipe 11.

[0029] Furthermore, one end of the mounting rod 21 is fixedly connected to the inner surface of the intake pipe 11, and the other end of the mounting rod 21 is fixedly connected to the surface of the motor 2. The surface of the connecting rod 22 is "L"-shaped. The length of the cross bar 23 is the same as the length of the scraper 26. Two groups of jacks 25 and screw holes 27 are provided. The connecting rod 22 can be driven by the output shaft of the motor 2 to rotate.

[0030] Furthermore, two groups of sockets 25 are provided at both ends of the cross bar 23, and two groups of screw holes 27 are provided at both ends of the scraper 26. The number of each group of sockets 25 is two, and each group of sockets 25 is arranged on both sides of the scraper 26. The screws 28 are plugged and connected to the surface of the sockets 25. The screws 28 are connected to the surface of the screw holes 27 through threads. Under the action of the screws 28, the scraper 26 inserted into the surface of the storage groove 24 can be fixed and installed, thereby facilitating the disassembly and assembly of the scraper 26. The scraper 26 is made of rubber.

[0031] Furthermore, a connecting mechanism is provided on the surface of the protective net 13, which includes a mounting frame 3, which is fixedly connected to the outer surface of the air intake pipe 11, a slot 31 is provided on the surface of the mounting frame 3, a snap plate 32 is fixedly connected to the outer surface of the protective net 13, a mounting chamber 33 is fixedly connected to the surface of the mounting frame 3, a mounting plate 34 is fixedly connected to the surface of the snap plate 32, a slot 35 is provided on the surface of the mounting plate 34, a through hole 36 is provided on the surface of the mounting chamber 33, an insert plate 37 and a pull rod 38 are movably connected inside the mounting chamber 33, and a supporting spring 39 is fixedly connected to the inner surface of the mounting chamber 33. When the mounting frame 3 and the snap plate 32 are connected through the slot 31, the protective net 13 can be installed on the surface of the air intake pipe 11. One side of the slot 31 is square and connected to the snap plate 32, and the other side of the slot 31 is arc-shaped and connected to the protective net 13, and the inner diameter of the mounting frame 3 and the snap plate 32 is the same as the inner diameter of the air intake pipe 11 to ensure ventilation effect.

[0032] Furthermore, the locking plate 32 and the protective net 13 are engaged and connected to the surface of the locking slot 31, and the mounting chamber 33 is abutted and connected to the surface of the mounting plate 34. There are two groups of slots 35, one group of slots 35 is opened on the surface of the mounting plate 34, and the other group of slots 35 is opened on the surface of the mounting chamber 33. The surface of the plug plate 37 is "convex", and the installation of the plug plate 37 is achieved under the action of the two groups of slots 35.

[0033] Furthermore, one side of the plug plate 37 is abutted and connected to the inner surface of the mounting bin 33, and the other side of the plug plate 37 is snap-connected to the surface of the slot 35. The surface of the pull rod 38 is in a "T" shape. The pull rod 38 is movably connected to the surface of the through hole 36. The pull rod 38 is fixedly connected to the surface of the plug plate 37. Under the action of the plug plate 37, the connection between the mounting bin 33 and the mounting plate 34 is limited, thereby achieving the installation limit of the protective net 13. At the same time, pulling the pull rod 38 can drive the movement of the plug plate 37.

[0034] Furthermore, two groups of support springs 39 are provided, and the two groups of support springs 39 are arranged on both sides of the pull rod 38. One end of the support spring 39 is fixedly connected to the inner surface of the installation bin 33, and the other end of the support spring 39 is fixedly connected to the surface of the plug plate 37. Under the action of the support spring 39, a supporting force is applied to the plug plate 37 to achieve one side of the plug plate 37 to be pressed against the inner surface of the installation bin 33, thereby completing the engagement of the other side with the slot 35.

[0035] Working principle: When cleaning the inner wall of the intake pipe 11, start the motor 2 so that its output shaft drives the connecting rod 22 to rotate, and then drives the cross bar 23 to rotate, so that the scraper 26 slides along the inner wall of the intake pipe 11, and then cleans the dust attached to the inner wall so that it no longer adheres to its surface. At the same time, turn on the fan 14 to drive the blades 15 to rotate and blow out the cleaned dust. When the scraper 26 needs to be replaced, use a cross screwdriver to tighten the screw 28 so that it cancels the connection with the screw hole 27 under the action of the thread, and then the scraper 26 is replaced.

[0036] When installing the protective net 13, first, the locking plate 32 connected to it is locked on the surface of the locking groove 31, and at the same time, the pull rod 38 is pulled toward the outside of the mounting bin 33, so that the plug plate 37 slides along the inner surface of the mounting bin 33. At this time, the support spring 39 is in a compressed state. When the mounting bin 33 and the mounting plate 34 are in contact, under the action of the supporting force exerted by the support spring 39, the pull rod 38 is released to make it slide along the surface of the through hole 36, and the plug plate 37 slides along the inner surface of the mounting bin 33 and is sequentially inserted into the two groups of slots 35, thereby completing the installation limit of the protective net 13.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A ventilation duct for tunnel construction, characterized in that: include: The main body comprises a frame (1), an air intake pipe (11) is fixedly connected to the surface of the frame (1), an air delivery pipe (12) is fixedly connected to one side of the air intake pipe (11), a protective net (13) is installed on the other side of the air intake pipe (11), a fan (14) is fixedly connected to the inside of the air intake pipe (11), and blades (15) are installed on the surface of the fan (14); The cleaning mechanism comprises a motor (2), the motor (2) being mounted on the inner surface of an air intake pipe (11), the inner surface of the air intake pipe (11) being fixedly connected to a mounting rod (21), a connecting rod (22) being mounted on the surface of the motor (2), a cross bar (23) being fixedly connected to the surface of the connecting rod (22), a storage groove (24) and a plug hole (25) being provided on the surface of the cross bar (23), a scraper (26) being plugged and connected to the surface of the storage groove (24), a screw hole (27) being provided inside the scraper (26), and a screw (28) being mounted on the surface of the plug hole (25).

2. The ventilation duct for tunnel construction according to claim 1, characterized in that: One end of the mounting rod (21) is fixedly connected to the inner surface of the air intake pipe (11), and the other end of the mounting rod (21) is fixedly connected to the surface of the motor (2). The surface of the connecting rod (22) is in an "L" shape. The length of the cross bar (23) is the same as that of the scraper (26). Two groups of the jacks (25) and the screw holes (27) are provided.

3. The ventilation duct for tunnel construction according to claim 2, characterized in that: Two groups of the insertion holes (25) are provided at both ends of the crossbar (23), and two groups of the screw holes (27) are provided at both ends of the scraper (26). The number of the insertion holes (25) in each group is two, and each group of the insertion holes (25) is provided on both sides of the scraper (26). The screws (28) are plugged and connected to the surfaces of the insertion holes (25), and the screws (28) are connected to the surfaces of the screw holes (27) by threads.

4. The ventilation duct for tunnel construction according to claim 1, characterized in that: The surface of the protective net (13) is provided with a connection mechanism, the connection mechanism comprising a mounting frame (3), the mounting frame (3) being fixedly connected to the outer surface of the air intake pipe (11), the surface of the mounting frame (3) being provided with a card slot (31), the outer surface of the protective net (13) being fixedly connected with a clamping plate (32), the surface of the mounting frame (3) being fixedly connected with a mounting bin (33), the surface of the clamping plate (32) being fixedly connected with a mounting plate (34), the surface of the mounting plate (34) being provided with a slot (35), the surface of the mounting bin (33) being provided with a through hole (36), the interior of the mounting bin (33) being movably connected with a plug plate (37) and a pull rod (38), and the inner surface of the mounting bin (33) being fixedly connected with a support spring (39).

5. The ventilation duct for tunnel construction according to claim 4, characterized in that: The engaging plate (32) and the protective net (13) are engaged with each other on the surface of the engaging slot (31); the mounting chamber (33) is engaged with each other on the surface of the mounting plate (34); two groups of slots (35) are provided, one group of slots (35) is provided on the surface of the mounting plate (34); and the other group of slots (35) is provided on the surface of the mounting chamber (33); and the surface of the plug plate (37) is convex.

6. The ventilation duct for tunnel construction according to claim 5, characterized in that: One side of the plug plate (37) is abutted against the inner surface of the installation chamber (33), and the other side of the plug plate (37) is snap-connected to the surface of the slot (35). The surface of the pull rod (38) is in a "T" shape. The pull rod (38) is movably connected to the surface of the through hole (36), and the pull rod (38) is fixedly connected to the surface of the plug plate (37).

7. The ventilation duct for tunnel construction according to claim 4, characterized in that: Two groups of the support springs (39) are provided, and the two groups of the support springs (39) are provided on both sides of the pull rod (38), one end of the support spring (39) is fixedly connected to the inner surface of the installation bin (33), and the other end of the support spring (39) is fixedly connected to the surface of the plug plate (37).

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