Auxiliary transportation main roadway safety ventilation system based on advancing type mining

By designing a safety ventilation system for the auxiliary transportation tunnel including main pipes, air ducts, filter components, cleaning mechanisms, atomization mechanisms and adjustment mechanisms, the poor ventilation problem of mine shafts caused by forward mining is solved, and the air quality in the tunnel and the safety of miners is improved.

CN119801615AActive Publication Date: 2025-04-11WU XIANG XIAN FU DA MEI TAN YOU XIAN GONG SI +2
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Patent Information

Application Number
CN202510286418.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2025-04-11
Estimated Expiration
2045-03-12

AI Technical Summary

Technical Problem

The poor ventilation of the mines caused by forward mining leads to poor air quality in the working area and high concentration of harmful gases, which affects the life safety of miners.

Method used

A safety ventilation system for the auxiliary transportation tunnel is designed, including main pipes, air ducts, filter components, cleaning mechanisms, atomization mechanisms and adjustment mechanisms. The monitoring modules and control modules realize real-time monitoring and local ventilation replacement of gases in the tunnel. The atomization mechanism is used to remove dust and regulate air humidity, and prevent coal powder from blocking the ventilation equipment through the filter components and cleaning mechanisms.

Benefits of technology

It effectively improves the air quality in the tunnel, reduces energy consumption, prevents ventilation equipment from being blocked, and ensures the safety of miners.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an auxiliary transportation main roadway safety ventilation system based on advancing mining, and relates to the technical field of mine ventilation, the auxiliary transportation main roadway safety ventilation system comprises a main pipe, an air inducing pipe, a filtering assembly, a cleaning mechanism, an atomizing mechanism and an adjusting mechanism, a plurality of air outlets are formed in the main pipe, and the atomizing mechanism and the adjusting mechanism are arranged on the air outlets; a plurality of air inducing openings are formed in the air inducing pipe, a filtering assembly and a cleaning mechanism are arranged on the air inducing openings, the output ends of the air outlet and the air inducing openings are arc-shaped, a plurality of arc-shaped baffles are arranged on the main pipe and the air inducing pipe, the arc-shaped baffles can seal the air outlet and the air inducing openings, the filtering assembly comprises a filtering seat, and the filtering seat is fixedly arranged at the air outlet. A supporting shaft I is fixedly arranged on the air outlet; pulverized coal in air in the roadway is effectively prevented from blocking ventilation equipment, and the axial flow fans are arranged at the air outlets and the air inducing openings, so that the ventilation effect of the deep position of the roadway is effectively improved.
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Description

Technical Field

[0001] The invention relates to the technical field of mine ventilation, in particular to a safety ventilation system for an auxiliary transport tunnel based on forward mining. Background Art

[0002] Forward mining is mining in which the direction of advancement is opposite to the auxiliary transport tunnel. After the stage transport tunnel is excavated to a certain distance, mining begins from the ore blocks close to the main shaft or main horizontal shaft, and then advances to the boundary of the mining area in sequence. The advantage of this mining sequence is that the initial construction time is short and the production is fast, but it is not conducive to ventilation, resulting in poor air quality and high concentration of harmful gases in the working area, which in turn poses a threat to the life safety of miners.

[0003] At present, traditional tunnel ventilation uses ventilation pipes to transport fresh air into the tunnel to replace toxic gases in the tunnel and ensure sufficient oxygen in the tunnel. However, there is a lot of dust and coal powder in the mine tunnel. During the long-term ventilation process, coal powder is easy to accumulate and block the ventilation equipment, thereby affecting the ventilation effect. In addition, the dust removal effect of traditional ventilation equipment is poor. The coal powder and other dust in the tunnel are easy to cause harm to the miners' bodies.

[0004] Therefore, it is necessary to provide a safe ventilation system for auxiliary transport tunnels based on forward mining to solve the problems raised in the above background technology. Summary of the invention

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a safety ventilation system for auxiliary transport tunnels based on forward mining, comprising a ventilation module, wherein the ventilation module comprises a main pipe, an induced draft pipe, a filter assembly, a cleaning mechanism, an atomizing mechanism and an adjusting mechanism, wherein the main pipe is provided with a plurality of air outlets, the air outlets are provided with an atomizing mechanism and an adjusting mechanism, the induced draft pipe is provided with a plurality of induced draft ports, the induced draft ports are provided with a filter assembly and a cleaning mechanism, the output ends of the air outlets and the induced draft ports are arc-shaped, the main pipe and the induced draft pipe are provided with a plurality of arc-shaped baffles, and the arc-shaped baffles can seal the air outlets and the induced draft ports;

[0006] The filter assembly includes a filter seat, a rotating seat, a rotating rod and a filter net, wherein the filter seat is fixedly arranged at the air outlet, a support shaft 1 is fixedly arranged on the air outlet, the rotating seat is rotatably arranged on the support shaft 1, a plurality of rotating rods are arranged on the rotating seat in a circular deflection, a spring 1 is arranged between the rotating rod and the rotating seat, and a filter net is fixedly arranged between the plurality of rotating rods.

[0007] Preferably, an axial flow fan 1 is rotatably arranged on the support shaft 1, a sleeve shaft 1 is arranged on the axial flow fan 1, a sleeve shaft 2 is arranged on the rotating seat, and the sleeve shaft 1 and the sleeve shaft 2 are connected through a pulley 1.

[0008] Preferably, the cleaning mechanism includes a cleaning plate and a collecting trough, wherein the cleaning plate is fixedly arranged on the filter seat, the collecting trough is fixedly installed on the bottom of the filter seat, a plurality of arc blocks are fixedly arranged on the bottom of the cleaning plate, and the rotating rod can slide along the surface of the cleaning plate and deflect under the action of the arc blocks.

[0009] Preferably, the atomization mechanism includes an atomization seat, a piston rod and a water supply chamber, wherein a support shaft 2 is fixedly provided on the air induced port, the atomization seat is fixedly provided on the support shaft 2, a hydraulic chamber is provided inside the atomization seat, a partition is fixedly provided in the hydraulic chamber, the piston rod slides sealingly along the inner side of the partition, a plurality of liquid spray outlets are circumferentially provided at one end of the hydraulic chamber away from the support shaft 2, a plurality of liquid supply outlets are circumferentially provided at one end of the hydraulic chamber close to the support shaft 2, a water supply chamber is provided outside the liquid supply port, and the water supply chamber is connected to a water supply tank fixedly provided on the top of the air induced port through a water supply pipe.

[0010] Preferably, sealing plugs are slidably provided in the liquid spray port and the liquid supply port, and the sealing plugs include a conical sealing block, a connecting rod and a clamping plate, wherein the conical sealing block and the clamping plate are respectively fixedly provided at both ends of the connecting rod, the conical sealing block can block the liquid spray port and the liquid supply port, and a second spring is provided between the clamping plate and the atomizing seat;

[0011] The clamping plate in the liquid spray port is located inside the hydraulic chamber, and the clamping plate in the liquid supply port is located outside the hydraulic chamber.

[0012] Preferably, the adjustment mechanism includes an adjustment seat, a gear group, a rotating shaft, a driving rod and a turntable, wherein the adjustment seat is fixedly arranged at the bottom of the air duct, two slide rails are fixedly arranged on the adjustment seat, the gear group is slidably arranged between the two slide rails, a support platform is fixedly arranged on the adjustment seat, a turntable is rotatably arranged on the support platform, the turntable and the driving rod are transmission-connected by a bevel gear group, the rotating shaft is slidably connected to the driving rod by a bayonet, a driving gear is fixedly arranged on the rotating shaft, and the driving gear meshes with the gear in the gear group.

[0013] Preferably, a slide groove is provided on the adjustment seat, an adjustment rod is slidably arranged in the slide groove by a hydraulic rod, two push rods are fixedly arranged on the adjustment rod, the push rods are rotatably connected to the rotating shaft and drive the rotating shaft to slide horizontally;

[0014] Step-shaped push blocks are arranged on both sides of the gear set, a spring three is arranged between the push block and the slide rail, and the push rod slides along the push block and lifts up the push block.

[0015] Preferably, the turntable is provided with an annular groove, and the support platform is provided with a clamping groove;

[0016] A guide rod is fixedly arranged on the piston rod, the guide rod is clamped into the clamping groove and slides along the clamping groove, and a clamping block is fixedly arranged on the guide rod, the clamping block is clamped into the annular groove and slides along the annular groove.

[0017] Preferably, a second axial flow fan is rotatably provided on the second support shaft, and the second axial flow fan is transmission-connected to the gear set via a second pulley, and a tensioning pulley is provided on the second pulley.

[0018] Preferably, it also includes a monitoring module and a control module, wherein the monitoring module monitors the oxygen content, toxic gas concentration, air humidity and coal powder content in the tunnel in real time through a variety of monitoring sensors, and transmits the monitored data to the control module, and the control module is electrically connected to the hydraulic rod and the monitoring sensor.

[0019] Compared with the prior art, the present invention provides a safety ventilation system for auxiliary transport tunnels based on forward mining, which has the following beneficial effects:

[0020] The present invention respectively arranges a plurality of air outlets and air induced openings on the main pipe and the induced draft pipe, and monitors the gas concentration in the tunnel through a monitoring module, and controls the arc-shaped baffle so that the main pipe and the induced draft pipe can accurately replace the air in a local range of the tunnel, and effectively saves energy through the accuracy of ventilation, and arranges an atomizing mechanism at the air outlet, and effectively removes dust from the air in the tunnel and adjusts the air humidity in the tunnel through the atomizing mechanism, and adjusts the atomizing intensity of the atomizing mechanism through the adjusting mechanism, thereby effectively improving the air quality inside the tunnel, and in addition, arranges a filter assembly and a cleaning plate at the induced draft opening, and effectively filters the coal powder in the air through the filter assembly, and automatically cleans the filter assembly through the cleaning plate, and effectively prevents the coal powder in the air in the tunnel from clogging the ventilation equipment, and arranges axial flow fans at both the air outlet and the induced draft opening, and effectively improves the ventilation effect deep in the tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a flow chart for the implementation of the present invention;

[0022] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the cleaning mechanism in the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of the filter assembly in the present invention;

[0025] Figure 5It is a structural schematic diagram of the atomization mechanism in the present invention;

[0026] Figure 6 It is a structural schematic diagram of the adjustment mechanism in the present invention.

[0027] In the figure: 1. main pipe; 11. air outlet; 111. support shaft 1; 2. air duct; 21. air outlet; 211. support shaft 2; 212. axial flow fan 2; 3. filter assembly; 31. filter seat; 32. rotating seat; 33. rotating rod; 34. filter screen; 35. axial flow fan 1; 36. pulley 1; 4. cleaning mechanism; 41. cleaning plate; 42. collecting tank; 43. arc block; 5. atomizing mechanism; 51. atomizing seat; 52. piston rod; 521. guide rod; 522. block; 53. water supply cavity; 54, hydraulic cavity; 541, liquid injection port; 542, liquid supply port; 55, partition; 56, sealing plug; 561, sealing block; 562, connecting rod; 563, clamping plate; 6, adjusting mechanism; 61, adjusting seat; 611, slide rail; 612, support table; 613, slide groove; 614, clamping groove; 62, gear set; 621, push block; 63, rotating shaft; 64, driving rod; 65, turntable; 651, annular groove; 66, adjusting rod; 661, push rod; 67, pulley two; 7, arc baffle. DETAILED DESCRIPTION

[0028] See also Figure 1 to Figure 6 In an embodiment of the present invention, a safety ventilation system for auxiliary transport tunnels based on forward mining includes a ventilation module, wherein the ventilation module includes a main pipe 1, an air duct 2, a filter assembly 3, a cleaning mechanism 4, an atomizing mechanism 5 and an adjusting mechanism 6, wherein the main pipe 1 is provided with a plurality of air outlets 11, the air outlet 11 is provided with an atomizing mechanism 5 and an adjusting mechanism 6, the air duct 2 is provided with a plurality of air outlets 21, the air duct 2 is provided with a filter assembly 3 and a cleaning mechanism 4, the output ends of the air outlets 11 and the air outlets 21 are arc-shaped, and the main pipe 1 and the air duct 2 are both provided with a plurality of arc-shaped baffles 7, and the arc-shaped baffles 7 can seal the air outlets 11 and the air duct 21;

[0029] The filter assembly 3 includes a filter seat 31, a rotating seat 32, a rotating rod 33 and a filter net 34, wherein the filter seat 31 is fixedly arranged at the air outlet 11, a support shaft 111 is fixedly arranged on the air outlet 11, the rotating seat 32 is rotatably arranged on the support shaft 111, a plurality of rotating rods 33 are arranged on the rotating seat 32 in a circular deflection, a spring 1 is arranged between the rotating rod 33 and the rotating seat 32, and a filter net 34 is fixedly arranged between the plurality of rotating rods 33.

[0030] During implementation, the monitoring module monitors the oxygen content, toxic gas concentration, air humidity and coal powder content inside the tunnel in real time, and then controls the arc baffle 7 through the control module to open the corresponding air outlet 11 and air inlet 21 to perform local ventilation replacement on the tunnel, replace the toxic gas in the tunnel and introduce fresh air, and adjust the atomization intensity of the atomization mechanism 5 through the adjustment mechanism 6 during the ventilation process, so as to remove dust from the air in the tunnel and keep the air at a certain humidity, thereby improving the air quality in the tunnel, and in the process of leading the toxic gas out of the tunnel, the coal powder in the air is filtered through the filter component 3 to prevent the coal powder from clogging the ventilation equipment, and the filter component 3 is cleaned by the cleaning mechanism 4 to prevent the filter net 34 from being blocked due to long-term use, thereby realizing automatic replacement of the air in the tunnel, thereby ensuring the safety of the miners.

[0031] In this embodiment, Figure 4 An axial flow fan 35 is rotatably arranged on the support shaft 111, a sleeve shaft 1 is arranged on the axial flow fan 35, a sleeve shaft 2 is arranged on the rotating seat 32, and the sleeve shaft 1 and the sleeve shaft 2 are connected through a pulley 36.

[0032] In this embodiment, Figure 3 The cleaning mechanism 4 includes a cleaning plate 41 and a collecting groove 42, wherein the cleaning plate 41 is fixedly arranged on the filter seat 31, the collecting groove 42 is fixedly installed at the bottom of the filter seat 31, and a plurality of arc blocks 43 are fixedly arranged at the bottom of the cleaning plate 41, and the rotating rod 33 can slide along the surface of the cleaning plate 41 and deflect under the action of the arc blocks 43.

[0033] During implementation, when the air inlet 21 draws the air in the tunnel into the air duct 2, the axial flow fan 35 rotates under the action of the airflow, and the axial flow fan 35 further drives the rotating seat 32 to rotate through the pulley 36, so that the rotating rod 33 drives the filter screen 34 to rotate, and then the coal powder in the air is filtered through the filter screen 34 to prevent the ventilation equipment from being blocked. Subsequently, when the rotating rod 33 rotates to the bottom of the cleaning plate 41, the rotating rod 33 is deflected under the action of the arc block 43, and then the arc block 43 is separated from the arc block 43 and knocks on the cleaning plate 41 under the action of the spring 1 to generate vibration, so that the coal powder on the filter screen 34 is shaken off into the collecting tank 42, so as to prevent the filter screen 34 from being blocked due to long-term use and affecting the filtering effect.

[0034] In this embodiment, Figure 5The atomization mechanism 5 includes an atomization seat 51, a piston rod 52 and a water supply chamber 53, wherein a support shaft 211 is fixedly provided on the air duct 21, the atomization seat 51 is fixedly provided on the support shaft 211, a hydraulic chamber 54 is provided inside the atomization seat 51, a partition 55 is fixedly provided in the hydraulic chamber 54, the piston rod 52 slides in a sealed manner along the inner side of the partition 55, a plurality of liquid spray ports 541 are circumferentially provided at one end of the hydraulic chamber 54 away from the support shaft 211, a plurality of liquid supply ports 542 are circumferentially provided at one end of the hydraulic chamber 54 close to the support shaft 211, a water supply chamber 53 is provided outside the liquid supply port 542, and the water supply chamber 53 is connected to a water supply tank fixedly provided on the top of the air duct 2 through a water supply pipe.

[0035] In this embodiment, Figure 5 The liquid spray port 541 and the liquid supply port 542 are both slidably provided with sealing plugs 56, and the sealing plugs 56 include a conical sealing block 561, a connecting rod 562, and a clamping plate 563, wherein the conical sealing block 561 and the clamping plate 563 are respectively fixedly provided at both ends of the connecting rod 562, and the conical sealing block 561 can block the liquid spray port 541 and the liquid supply port 542, and a spring 2 is provided between the clamping plate 563 and the atomizing seat 51;

[0036] The clamping plate 563 in the liquid spraying port 541 is located inside the hydraulic chamber 54 , and the clamping plate 563 in the liquid supply port 542 is located outside the hydraulic chamber 54 .

[0037] During implementation, when the piston rod 52 slides toward the liquid spraying port 541, the sealing plug 56 in the liquid supply port 542 is pressed against the liquid supply port 542 to seal the plurality of liquid supply ports 542, and the sealing plug 56 in the liquid spraying port 541 is pressed to separate from the liquid spraying port 541, so that the liquid spraying port 541 is opened, and the liquid in the hydraulic chamber 54 is sprayed out, and water mist is formed under the wind pressure generated by the axial flow fan 212 to remove dust from the air in the lane. When the piston rod 52 moves away from the liquid spraying port 54 1 slides, the sealing plug 56 in the liquid spraying port 541 is re-stuck at the liquid spraying port 541 under the action of the spring 2, thereby blocking the liquid spraying port 541, and the sealing plug 56 in the liquid supply port 542 is pressed and separated from the liquid supply port 542, so that the water in the water supply chamber 53 is sucked into the hydraulic chamber 54, that is, the liquid in the hydraulic chamber 54 is replenished, and then the atomizing mechanism 5 can continuously and effectively spray water mist through the back and forth sliding of the piston rod 52, further ensuring that the atomizing mechanism 5 can continuously and effectively remove dust from the air in the lane.

[0038] In this embodiment, Figure 6The adjustment mechanism 6 includes an adjustment seat 61, a gear set 62, a rotating shaft 63, a driving rod 64 and a turntable 65, wherein the adjustment seat 61 is fixedly arranged at the bottom of the air duct 21, two slide rails 611 are fixedly arranged on the adjustment seat 61, and the gear set 62 is slidably arranged between the two slide rails 611, a support platform 612 is fixedly arranged on the adjustment seat 61, and a turntable 65 is rotatably arranged on the support platform 612, and the turntable 65 is connected to the driving rod 64 through a bevel gear set, and the rotating shaft 63 is slidably connected to the driving rod 64 through a bayonet, and a driving gear is fixedly arranged on the rotating shaft 63, and the driving gear is meshed with the gear in the gear set 62.

[0039] In this embodiment, a slide groove 613 is provided on the adjustment seat 61, and an adjustment rod 66 is slidably arranged in the slide groove 613 by a hydraulic rod, and two push rods 661 are fixedly arranged on the adjustment rod 66, and the push rods 661 are rotatably connected to the rotating shaft 63 and drive the rotating shaft 63 to slide horizontally;

[0040] Stepped push blocks 621 are disposed on both sides of the gear set 62 . A spring 3 is disposed between the push block 621 and the slide rail 611 . The push rod 661 slides along the push block 621 and lifts up the push block 621 .

[0041] In this embodiment, the rotating disk 65 is provided with an annular groove 651, and the supporting platform 612 is provided with a clamping groove 614;

[0042] A guide rod 521 is fixedly provided on the piston rod 52 , and the guide rod 521 is clamped into the clamping groove 614 and slides along the clamping groove 614 . A clamping block 522 is fixedly provided on the guide rod 521 , and the clamping block 522 is clamped into the annular groove 651 and slides along the annular groove 651 .

[0043] In this embodiment, a second axial flow fan 212 is rotatably provided on the second support shaft 211 , and the second axial flow fan 212 is transmission-connected to the gear set 62 via a second pulley 67 , and a tensioning pulley is provided on the second pulley 67 .

[0044] During implementation, the axial flow fan 212 rotates under the diversion effect and drives the gear set 62 to rotate through the pulley 2 67, so that the rotating shaft 63 rotates, and the rotation of the rotating shaft 63 drives the driving rod 64 to rotate, and under the action of the bevel gear set, the rotating disk 65 rotates, and then the block 522 slides along the annular groove 651, so that the guide rod 521 slides back and forth along the groove 614, and further drives the piston rod 52 to slide back and forth in the hydraulic chamber 54 to spray water into the lane. This process In the embodiment, the adjusting rod 66 is driven to slide, so that the position of the rotating shaft 63 is changed, and the gear set 62 is lifted up under the action of the push rod 661, so that the driving gear is engaged with different gears in the gear set 62, thereby changing the rotation rate of the driving gear, and further changing the rotation rate of the turntable 65, so that the sliding frequency of the piston rod 52 is changed, and then the spray amount of the atomizing mechanism 5, that is, the atomizing intensity, is changed, so that the atomizing mechanism 5 can be intelligently regulated according to the coal powder content and air humidity in the tunnel.

[0045] In this embodiment, a monitoring module and a control module are also included, wherein the monitoring module monitors the oxygen content, toxic gas concentration, air humidity and coal powder content in the tunnel in real time through a variety of monitoring sensors, and transmits the monitored data to the control module, and the control module is electrically connected to the hydraulic rod and the monitoring sensor.

[0046] To sum up, when the present invention is implemented, the oxygen content, toxic gas concentration, air humidity and coal powder content inside the tunnel are monitored in real time through the monitoring module, and then the control module controls the arc baffle 7 to open the corresponding air outlet 11 and the air inlet 21 to perform local ventilation replacement on the tunnel, replace the toxic gas in the tunnel and introduce fresh air, and during the replacement process, the air in the tunnel is dusted by the atomizing mechanism 5, and the air humidity in the tunnel is adjusted to effectively improve the air quality in the tunnel, the atomization intensity of the atomizing mechanism 5 is adjusted by the adjusting mechanism 6, and then the air in the tunnel is intelligently dusted, the coal powder in the air introduced into the induced draft duct 2 is filtered by the filter component 3 to prevent the ventilation equipment from being blocked, and the coal powder in the filter component 3 is cleaned by the cleaning mechanism 4 during the filtering process to prevent the filter net 34 from being blocked and affecting the filtering effect, and then the air in the tunnel is continuously intelligently replaced, so that the air environment in the tunnel is always safe and the air quality is higher.

[0047] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A safety ventilation system for auxiliary transport tunnels based on forward mining, characterized in that: The ventilation module comprises a main pipe (1), an air duct (2), a filter assembly (3), a cleaning mechanism (4), an atomizing mechanism (5) and an adjusting mechanism (6), wherein the main pipe (1) is provided with a plurality of air outlets (11), the air outlets (11) are provided with an atomizing mechanism (5) and an adjusting mechanism (6), the air duct (2) is provided with a plurality of air inlet ports (21), the air inlet ports (21) are provided with a filter assembly (3) and a cleaning mechanism (4), the output ends of the air outlets (11) and the air inlet ports (21) are arc-shaped, and the main pipe (1) and the air duct (2) are both provided with a plurality of arc-shaped baffles (7), and the arc-shaped baffles (7) are capable of sealing the air outlets (11) and the air inlet ports (21); The filter assembly (3) comprises a filter seat (31), a rotating seat (32), a rotating rod (33) and a filter screen (34), wherein the filter seat (31) is fixedly arranged at the air outlet (11), a support shaft (111) is fixedly arranged on the air outlet (11), the rotating seat (32) is rotatably arranged on the support shaft (111), a plurality of rotating rods (33) are arranged on the rotating seat (32) in a circular deflection manner, a spring (1) is arranged between the rotating rod (33) and the rotating seat (32), and a filter screen (34) is fixedly arranged between the plurality of rotating rods (33).

2. The auxiliary transport tunnel safety ventilation system based on forward mining according to claim 1 is characterized in that: An axial flow fan 1 (35) is rotatably arranged on the support shaft 1 (111), a sleeve shaft 1 is arranged on the axial flow fan 1 (35), and a sleeve shaft 2 is arranged on the rotating seat (32), and the sleeve shaft 1 and the sleeve shaft 2 are connected in transmission via a pulley 1 (36).

3. The auxiliary transport tunnel safety ventilation system based on forward mining according to claim 2 is characterized in that: The cleaning mechanism (4) comprises a cleaning plate (41) and a collecting trough (42), wherein the cleaning plate (41) is fixedly arranged on the filter seat (31), the collecting trough (42) is fixedly installed on the bottom of the filter seat (31), a plurality of arc-shaped blocks (43) are fixedly arranged on the bottom of the cleaning plate (41), and the rotating rod (33) can slide along the surface of the cleaning plate (41) and deflect under the action of the arc-shaped blocks (43).

4. The auxiliary transport tunnel safety ventilation system based on forward mining according to claim 1 is characterized in that: The atomizing mechanism (5) comprises an atomizing seat (51), a piston rod (52) and a water supply chamber (53), wherein a second support shaft (211) is fixedly arranged on the air inlet (21), the atomizing seat (51) is fixedly arranged on the second support shaft (211), a hydraulic chamber (54) is provided inside the atomizing seat (51), a partition (55) is fixedly arranged in the hydraulic chamber (54), the piston rod (52) slides in a sealed manner along the inner side of the partition (55), a plurality of liquid spraying ports (541) are circumferentially provided at one end of the hydraulic chamber (54) away from the second support shaft (211), a plurality of liquid supply ports (542) are circumferentially provided at one end of the hydraulic chamber (54) close to the second support shaft (211), a water supply chamber (53) is provided outside the liquid supply port (542), and the water supply chamber (53) is connected to a water supply tank fixedly arranged at the top of the air inlet pipe (2) through a water supply pipe.

5. The auxiliary transport tunnel safety ventilation system based on forward mining according to claim 4 is characterized in that: A sealing plug (56) is slidably disposed in the liquid spray port (541) and the liquid supply port (542), the sealing plug (56) comprising a conical sealing block (561), a connecting rod (562) and a clamping plate (563), wherein the conical sealing block (561) and the clamping plate (563) are respectively fixedly disposed at two ends of the connecting rod (562), the conical sealing block (561) is capable of blocking the liquid spray port (541) and the liquid supply port (542), and a second spring is disposed between the clamping plate (563) and the atomizing seat (51); Furthermore, the clamping plate (563) in the liquid spraying port (541) is located inside the hydraulic chamber (54), and the clamping plate (563) in the liquid supply port (542) is located outside the hydraulic chamber (54).

6. The auxiliary transport tunnel safety ventilation system based on forward mining according to claim 5 is characterized in that: The adjustment mechanism (6) comprises an adjustment seat (61), a gear group (62), a rotating shaft (63), a driving rod (64) and a rotating disk (65), wherein the adjustment seat (61) is fixedly arranged at the bottom of the air inlet (21), two slide rails (611) are fixedly arranged on the adjustment seat (61), the gear group (62) is slidably arranged between the two slide rails (611), a support platform (612) is fixedly arranged on the adjustment seat (61), a rotating disk (65) is rotatably arranged on the support platform (612), the rotating disk (65) and the driving rod (64) are transmission-connected via a bevel gear group, the rotating shaft (63) is slidably connected to the driving rod (64) via a bayonet, a driving gear is fixedly arranged on the rotating shaft (63), and the driving gear meshes with a gear in the gear group (62).

7. A safety ventilation system for auxiliary transport tunnels based on forward mining according to claim 6, characterized in that: The adjusting seat (61) is provided with a slide groove (613), an adjusting rod (66) is slidably arranged in the slide groove (613) driven by a hydraulic rod, two push rods (661) are fixedly arranged on the adjusting rod (66), and the push rods (661) are rotatably connected to the rotating shaft (63) and drive the rotating shaft (63) to slide horizontally; Stepped push blocks (621) are arranged on both sides of the gear set (62), a spring three is arranged between the push block (621) and the slide rail (611), and the push rod (661) slides along the push block (621) and lifts up the push block (621).

8. The auxiliary transport tunnel safety ventilation system based on forward mining according to claim 7 is characterized in that: The rotating disk (65) is provided with an annular groove (651), and the supporting platform (612) is provided with a clamping groove (614); A guide rod (521) is fixedly provided on the piston rod (52), the guide rod (521) is clamped into the clamping groove (614) and slides along the clamping groove (614), and a clamping block (522) is fixedly provided on the guide rod (521), the clamping block (522) is clamped into the annular groove (651) and slides along the annular groove (651).

9. The auxiliary transport tunnel safety ventilation system based on forward mining according to claim 6 is characterized in that: A second axial flow fan (212) is rotatably arranged on the second support shaft (211), and the second axial flow fan (212) is transmission-connected to the gear set (62) via a second belt pulley (67), and a tensioning wheel is arranged on the second belt pulley (67).

10. The auxiliary transport tunnel safety ventilation system based on forward mining according to claim 7 is characterized in that: It also includes a monitoring module and a control module, wherein the monitoring module monitors the oxygen content, toxic gas concentration, air humidity and coal powder content in the tunnel in real time through a variety of monitoring sensors, and transmits the monitored data to the control module, and the control module is electrically connected to the hydraulic rod and the monitoring sensor.

Citation Information

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