CN216277970U - Intelligent ventilation system for construction of extra-long deep-buried tunnel - Google Patents
Intelligent ventilation system for construction of extra-long deep-buried tunnel Download PDFInfo
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- CN216277970U CN216277970U CN202122976015.XU CN202122976015U CN216277970U CN 216277970 U CN216277970 U CN 216277970U CN 202122976015 U CN202122976015 U CN 202122976015U CN 216277970 U CN216277970 U CN 216277970U
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Abstract
The utility model provides an intelligent ventilation system for construction of an extra-long deep tunnel, which comprises a left tunnel, a right tunnel and a transverse channel, wherein the transverse channel is arranged between the left tunnel and the right tunnel and is communicated with the left tunnel and the right tunnel, an axial flow fan is arranged at the opening of the left tunnel, the intelligent ventilation system also comprises a controller and an electric control channel door, the electric control channel door is arranged in the transverse channel, and the controller is electrically connected with the electric control channel door. The utility model can realize the remote control of the opening and closing of the passage door, reduce the labor intensity of workers and improve the efficiency.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to an intelligent ventilation system for construction of an extra-long deep-buried tunnel.
Background
With the rapid development of railways, highways and water diversion projects in China, extra-long and long tunnels are increasing. With the development of the technical level, the mechanized construction level of tunnel excavation is higher and higher, so that various dust, toxic and harmful gases generated by mechanical equipment and the like are mixed in the air in the tunnel excavation process, and the environment in a tunnel is seriously polluted. At present, when a long-distance tunnel with two parallel holes is constructed, one hole is generally used as an air inlet channel, the other hole is used as an air outlet channel, a plurality of transverse channels are arranged between the two holes and are arranged at equal intervals along the length direction of the tunnel, the transverse channels are pushed along with the pushing of a tunnel face so as to realize the circulation of air in the holes, and a channel door is further arranged in each transverse channel so as to realize the opening and closing of each transverse channel. However, as the tunnel is driven, the number of the horizontal tunnels is increased, the number of the tunnel doors is increased, and if the tunnel doors are opened and closed manually, the labor intensity of workers is increased, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an intelligent ventilation system for the construction of an extra-long deep tunnel, which is designed aiming at the intelligent ventilation system for the construction of the extra-long deep tunnel, can realize the remote control of the opening and closing of a passage door, reduce the labor intensity of workers and improve the efficiency.
The embodiment of the utility model is realized by the following technical scheme:
special long tunnel construction intelligence ventilation system deeply buries, including left width of cloth hole, right side width of cloth hole and cross-channel, this cross-channel is located between this left side width of cloth hole and this right side width of cloth hole, and this left side width of cloth hole of cross-channel intercommunication and this right side width of cloth hole, and this left side width of cloth hole entrance to a cave is equipped with axial fan, still includes controller and automatically controlled access door, and this automatically controlled access door sets up in this cross-channel, this controller and this automatically controlled access door electric connection.
In an embodiment of the present invention, the electrically controlled channel door includes a door frame, a door body, a pivot, a latch mechanism and a driving device, the door frame is fixed in the transverse channel, the pivot is fixed on the door body and is pivoted to the door frame, the driving device is fixed on the inner wall of the transverse channel, an output shaft of the driving device is connected to the pivot, the latch structure is disposed on the door body, the latch mechanism is provided with a retractable latch, and the latch can be inserted into the door frame.
In an embodiment of the present invention, the driving device includes a motor and a speed reducer, an input shaft of the speed reducer is connected to the motor, and an output shaft of the speed reducer is connected to the pivot.
In an embodiment of the present invention, the latch mechanism further includes a box body, an electromagnet, a movable contact plate, a return spring, and a guide assembly, the box body is fixed in the door body, the box body is provided with a box cover, one end of the guide assembly is fixed on the inner wall of the box bottom of the box body, one end of the guide assembly is fixed on the box cover, the movable contact plate is slidably connected with the guide assembly, the latch is fixed on the movable contact plate, one end of the return spring abuts against the inner wall of the box body, the other end of the return spring abuts against the movable contact plate, the return spring drives the movable contact plate to maintain a tendency of abutting against the box cover, the electromagnet is fixed on the inner wall of the box bottom of the box body, and the electromagnet is used for magnetically attracting the movable contact plate.
In one embodiment of the present invention, the guide assembly is configured as a pair of guide posts, and the movable contact plate is sleeved on the guide posts.
In an embodiment of the present invention, the return spring is sleeved on the guide post.
In an embodiment of the present invention, a plurality of the transverse passages are arranged along the length direction of the tunnel, wherein the electrically controlled passage door of one transverse passage closest to the tunnel face is kept normally open, and the other electrically controlled passage doors are kept normally closed.
The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:
compared with the prior art, the embodiment of the utility model realizes the remote control of the opening and the closing of the passage door, reduces the labor intensity of workers and improves the efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a ventilation system according to the present invention;
FIG. 2 is a schematic structural view of the electrically controlled access door of the present invention with the electromagnet de-energized;
fig. 3 is a schematic structural diagram of the electromagnet of the electrically controlled access door according to the present invention when energized.
Icon: 11-left hole, 12-right hole, 13-transverse channel, 2-axial flow fan, 4-electric control channel door, 41-door body, 42-pivot, 43-motor, 44-speed reducer, 451-box body, 452-box cover, 46-electromagnet, 47-movable contact plate, 48-return spring, 49-guide column and 5-lock tongue.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "configured," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, the present embodiment provides an intelligent ventilation system for construction of an extra-long deep tunnel, which includes a left tunnel 11, a right tunnel 12, a cross passage 13, an electrically controlled passage door 4 and a controller.
The transverse channel 13 is arranged between the left hole 11 and the right hole 12 to communicate the left hole 11 and the right hole 12, the axial flow fan 2 is arranged at the hole opening of the left hole 11, fresh air is blown into the left hole 11 by the axial flow fan 2, and airflow of 'air inlet of the left hole 11-air outlet of the transverse channel 13-air outlet of the right hole 12' is formed in the tunnel, so that air flow in the tunnel is realized.
At the initial stage of tunnel construction, when the tunneling depth is smaller, only one transverse channel 13 can be arranged, the tunnel depth is continuously increased along with the continuous propulsion of the tunnel face, and the number of the transverse channels 13 is gradually increased along the length direction of the tunnel.
The electric control passage door 4 is installed in the transverse passage 13, in this embodiment, two ends of the same transverse passage 13 are respectively provided with one electric control passage door 4, a controller located outside the tunnel is electrically connected with the electric control passage door 4, and a controller realizes the opening and closing of the electric control passage door 4 through the controller so as to realize the remote control of the electric control passage door 4. It should be noted that the controller can be understood as a control switch or a control room or a control center in the prior art, and the controller can control the opening and closing of each electrically controlled access door 4 individually.
Specifically, the electrically controlled access door 4 in this embodiment includes a door frame, a door body 41, a pivot 42, a latch 5 mechanism, and a driving device. The door frame is fixed in the transverse channel 13, a pivot 42 seat is arranged on the door frame, the pivot 42 is arranged on the door body 41, and the pivot 42 is arranged in the pivot 42 seat to realize the rotation of the door body 41. The driving device comprises a motor 43 and a speed reducer 44, the motor 43 is connected with the controller through a cable, the motor 43 and the speed reducer 44 can be fixed on the inner wall of the transverse channel 13, an input shaft of the speed reducer 44 is connected with the motor 43, and an output shaft of the speed reducer 44 is connected with the pivot shaft 42. When the electrically controlled passage door 4 needs to be opened, the controller controls the motor 43 to start, the motor 43 drives the pivot 42 to rotate forward through the speed reducer 44, the door body 41 rotates, the transverse passage 13 is changed from closed to open, and the airflow in the left tunnel 11 flows into the right tunnel 12 through the transverse passage 13. When the transverse channel 13 needs to be closed, the controller controls the motor 43 to be started again, the motor 43 drives the pivot 42 to rotate reversely through the speed reducer 44, the door body 41 rotates again, and the transverse channel 13 is changed from being opened to being closed. It should be noted that, when the electrically controlled access door 4 is opened, a person skilled in the art can set the rotating shaft of the motor 43 in the controller to rotate at a set rotating speed for a set time, and the set rotating speed and the set time can be obtained through limited experiments. The electrically controlled access door 4 is closed in the same way.
The bolt 5 mechanism further comprises a bolt 5, a box body 451, an electromagnet 46, a movable contact plate 47, a return spring 48 and a guide assembly. The case body 451 is fixed inside the door 41, and the case body 451 is provided with a case cover 452. The guide assembly is configured as a pair of guide posts 49, one end of each guide post 49 is fixed on the inner wall of the bottom of the box body 451, the other end of each guide post 49 is fixed on the box cover 452, a through hole is arranged on the movable contact plate 47, the movable contact plate 47 is sleeved on the guide post 49 through the through hole, so that the movable contact plate 47 can slide along the guide posts 49, and the movable contact plate 47 in the embodiment is a magnetic conductive iron plate. The bolt 5 is fixed on the movable contact plate 47, and a bolt hole is formed on the box cover 452, so that the bolt 5 passes through the bolt hole and extends out of the box body 451 from the inside of the box body 451. The return spring 48 is sleeved on the guide post 49, one end of the return spring 48 abuts against the inner wall of the box body 451, the other end of the return spring 48 abuts against the movable contact plate 47, the return spring 48 is always in a compressed state, and the movable contact plate 47 keeps abutting against the box cover 452. The electromagnet 46 is fixed on the inner wall of the bottom of the box body 451, the electromagnet 46 is a commercially available product, the electromagnet 46 is connected with an external power supply, and whether the electromagnet 46 is electrified or not is controlled by a controller. When the controller controls the electromagnet 46 to be electrified, the electromagnet 46 magnetically attracts the contact plate 47, and the latch 5 retracts into the box body 451, corresponding to the state when the electrically controlled access door 4 is opened or closed. When the controller controls the electromagnet 46 to be powered off, the bolt 5 extends out of the box body 451, corresponding to the state at the end of opening or closing the electric control passage door 4.
The working principle of the embodiment is as follows: when the electrically controlled passage door 4 needs to be opened, the controller controls the motor 43 to start, the motor 43 drives the pivot 42 to rotate forward through the speed reducer 44, the door body 41 rotates, the transverse passage 13 is changed from closed to open, and the airflow in the left tunnel 11 flows into the right tunnel 12 through the transverse passage 13. When the transverse channel 13 needs to be closed, the controller controls the motor 43 to be started again, the motor 43 drives the pivot 42 to rotate reversely through the speed reducer 44, the door body 41 rotates again, and the transverse channel 13 is changed from being opened to being closed. The tunnel depth is continuously increased, when the number of the transverse channels 13 is continuously increased, under the control of the controller, the electric control channel door 4 of one transverse channel 13 closest to the tunnel face is kept normally open, and the other electric control channel doors 4 are kept normally closed.
In the embodiment of the utility model, the electric control passage door 4 is arranged in the transverse passage 13, and the electric control passage door 4 is controlled by the controller so as to realize the opening and closing of the electric control passage door 4 outside the tunnel.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The intelligent ventilation system for the construction of the extra-long deep tunnel comprises a left-width hole, a right-width hole and a transverse channel, wherein the transverse channel is arranged between the left-width hole and the right-width hole and is communicated with the left-width hole and the right-width hole, an axial flow fan is arranged at the opening of the left-width hole, and the intelligent ventilation system is characterized in that,
also comprises a controller and an electric control access door,
the electric control passage door is arranged in the transverse passage, and the controller is electrically connected with the electric control passage door.
2. The intelligent ventilation system for construction of the ultra-long deep-buried tunnel according to claim 1,
the electric control passage door comprises a door frame, a door body, a pivot, a lock tongue mechanism and a driving device,
the door frame is fixed in the transverse channel,
the pivot is fixed on the door body and is pivoted with the door frame,
the driving device is fixed on the inner wall of the transverse channel, and the output shaft of the driving device is connected with the pivot,
the door body is arranged on the lock tongue structure, the lock tongue mechanism is provided with a telescopic lock tongue, and the lock tongue can be inserted into the door frame.
3. The intelligent ventilation system for construction of the ultra-long deep-buried tunnel according to claim 2,
the driving device comprises a motor and a speed reducer,
the input shaft of the speed reducer is connected with the motor, and the output shaft of the speed reducer is connected with the pivot.
4. The intelligent ventilation system for construction of the ultra-long deep-buried tunnel according to claim 2,
the lock tongue mechanism also comprises a box body, an electromagnet, a movable contact plate, a return spring and a guide assembly,
the box body is fixed in the door body and is provided with a box cover,
one end of the guide component is fixed on the inner wall of the box bottom of the box body, one end of the guide component is fixed on the box cover,
the movable contact plate is connected with the guide component in a sliding way, the lock tongue is fixed on the movable contact plate,
one end of the reset spring is abutted against the inner wall of the box body, the other end of the reset spring is abutted against the movable contact plate, the reset spring drives the movable contact plate to keep abutting against the trend of the box cover,
the electromagnet is fixed on the inner wall of the box bottom of the box body and used for magnetically attracting the movable contact plate.
5. The intelligent ventilation system for construction of the ultra-long deep-buried tunnel according to claim 4,
the guide assembly is configured as a pair of guide posts,
the movable contact plate is sleeved on the guide post.
6. The intelligent ventilation system for construction of the ultra-long deep-buried tunnel according to claim 5,
the reset spring is sleeved on the guide post.
7. The intelligent ventilation system for construction of the ultra-long deep-buried tunnel according to any one of claims 1 to 6,
the transverse passages are provided with a plurality of transverse passages along the length direction of the tunnel, wherein the electric control passage door of the transverse passage closest to the tunnel face is kept normally open, and the other electric control passage doors are kept normally closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122976015.XU CN216277970U (en) | 2021-11-27 | 2021-11-27 | Intelligent ventilation system for construction of extra-long deep-buried tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122976015.XU CN216277970U (en) | 2021-11-27 | 2021-11-27 | Intelligent ventilation system for construction of extra-long deep-buried tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216277970U true CN216277970U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122976015.XU Active CN216277970U (en) | 2021-11-27 | 2021-11-27 | Intelligent ventilation system for construction of extra-long deep-buried tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216277970U (en) |
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2021
- 2021-11-27 CN CN202122976015.XU patent/CN216277970U/en active Active
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Address after: 610047 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee after: Sichuan Communications Construction Group Co.,Ltd. Address before: 610041 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee before: Sichuan Communications Construction Group Co.,Ltd. |