Automatic dust falling device for dustproof water curtain

Abstract

The invention provides a dustproof water curtain automatic dust falling device which comprises a winding mechanism, the winding mechanism comprises a winding roller, and a main shaft rod is installed in the winding roller; a winding steel cable is wound on the winding roller, one end of the winding steel cable is connected to the output end of the telescopic air cylinder, one end of the main shaft rod is connected with an auxiliary shaft rod through an adapter, a ball valve element is arranged at one end of the auxiliary shaft rod, the auxiliary shaft rod is located in the ball valve shell, and the lower portion of the ball valve shell communicates with a first water pipe. The first water pipe is communicated with a transverse flow guide pipe and an inclined flow guide pipe; the upper end and the lower ends of the two sides of the water curtain are each provided with a connecting ring, and the other end of the winding steel cable is connected to the connecting ring at the upper end of the water curtain. The linked telescopic air cylinder drives the winding steel cable to conduct adjustment control, one end of the main shaft rod controls rotation of the ball valve element through the auxiliary shaft rod, and meanwhile the winding steel cable is connected with the water curtain through the guide roller.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel dust prevention, and in particular to an automatic dust reduction device with a dust-proof water curtain. Background Art

[0002] In the process of coal mining, such as drilling, blasting, tunneling and coal mining operations, roof management, coal loading and transportation, etc., a large amount of dust will be generated in various links. Due to the different geological conditions and physical properties of coal and rock, the mining methods, operation methods, ventilation conditions and mechanization levels of different mines, the dust sites are also different. And the higher the mechanization level of each operation point, the greater the dust production; the dust generated in the coal mining process is a major hazard to coal mining production, affecting production and endangering health.

[0003] Referring to the existing Chinese patent with publication number CN202991046U, an automatic water sprinkling and dust reduction device for mining is disclosed; smoke sensors 3, temperature sensors 4, touch sensors 5 and pyroelectric sensors 6 are respectively arranged at appropriate positions of the coal mining machine, and a receiver is arranged in the controller 1. The controller 1 controls the opening and closing of the electric ball valve 2 through the electrical signals of the smoke sensor 3, temperature sensor 4, touch sensor 5 and pyroelectric sensor 6, and the electric ball valve 2 is connected to the dust-proof water curtain through a pipeline; when in use, the smoke sensor 3, temperature sensor 4, touch sensor 5 and pyroelectric sensor 6 are installed at appropriate positions of the coal mining machine. When the receiver in the controller 1 detects the signals emitted by the smoke sensor 3, temperature sensor 4, touch sensor 5 and pyroelectric sensor 6, the controller 1 controls the opening and closing of the electric ball valve 2 through electrical signals according to the program and parameters set by the system, and can automatically control the time of opening and closing the spray, thereby achieving a wide range of application, a large amount of mist water, and the effect of automatic spraying and dust reduction at a fixed time without anyone.

[0004] However, the dust prevention measures in the prior art are relatively simple and require manual close-range control of the switch, and the water curtain needs to be turned on and off, which is cumbersome, and each project module needs to be controlled and adjusted separately, and linkage control cannot be achieved, which easily causes a large workload. The present application can remotely control the linkage of the water curtain and the spray at the same time, and turn on the spray while opening the water curtain. Summary of the invention

[0005] In order to make up for the above shortcomings, the present invention provides a dust-proof water curtain automatic dust reduction device, which aims to improve the dust-proof measures in the prior art, which are relatively simple and require manual close-range control of switches, and the water curtain needs to be switched on and off, which is cumbersome, and each project module needs to be controlled and adjusted separately, and linkage control cannot be achieved, which easily causes a heavy workload.

[0006] The embodiment of the present invention provides a dustproof water curtain automatic dust reduction device, comprising a winding mechanism, wherein the winding mechanism comprises a winding roller, a main shaft rod is installed through the interior of the winding roller, and one end of the main shaft rod is movably connected to a bearing seat;

[0007] A winding steel cable is wound around the winding roller, one end of the winding steel cable is fixedly connected to the output end of the telescopic cylinder, one end of the main shaft is connected to the secondary shaft through an adapter, one end of the secondary shaft is fixedly provided with a ball valve core, the secondary shaft is movably located inside the ball valve housing, the ball valve core is located at the center of the ball valve housing, the ball valve core is driven to rotate by the main shaft and the secondary shaft to control the water flow, the lower part of the ball valve housing is fixedly connected to a first water pipe, the lower part of the first water pipe is connected to a transverse guide pipe, both sides of the transverse guide pipe are respectively connected to inclined guide pipes, and the inner sides of the transverse guide pipe and the inclined guide pipe are fixedly connected to a plurality of atomizing nozzles;

[0008] A water curtain is installed at the tunnel entrance, and connecting rings are fixedly provided at the upper end and the lower ends on both sides of the water curtain, and the other end of the winding steel cable is fixedly connected to the connecting ring at the upper end of the water curtain, and the end sides of the winding steel cable are fixedly connected with side steel cables, and the side steel cables on both sides are fixedly connected to the connecting rings on both sides of the water curtain. The winding steel cable and the side steel cables are used to pull the water curtain under the action of the winding roller to complete the opening of the tunnel entrance, and the several atomizing nozzles on the inner sides of the transverse guide pipe and the inclined guide pipe realize atomization and spraying of the water curtain, and the lubricated water curtain locks the dust in the tunnel, and the transverse guide pipe and the inclined guide pipe are designed in a bridge shape to spray the tunnel without dead ends, and the workers behind the water curtain can effectively reduce dust inhalation.

[0009] The control of the present invention is realized by the reeling cable driven by the linked telescopic cylinder, that is, the reeling cable is connected to the reeling roller which can be rotatably controlled to lift and lower the reeling roller at the telescopic head of the telescopic cylinder, the reeling cable is wound on the reeling roller, one end of the main shaft rod inside the reeling roller controls the rotation of the ball valve core with the secondary shaft rod, and the water inlet and water shut-off are controlled by the ball valve core, and at the same time, the reeling cable is connected to the connecting ring on the upper part of the water curtain through the guide roller, and the connecting rings on the lower parts of the two sides of the water curtain are connected through the side steel cables, and the reeling cable is driven by the telescopic cylinder to rotate to open and close the ball valve core, so that the spray system is opened, and at the same time, the water curtain is closed and opened through the guide roller, so that the spray is sprayed onto the water curtain, lubricating the water curtain and locking the dust in the tunnel. Because the spray is transformed into a bridge-shaped design, it can be said that there is no dead angle for the tunnel, so that the workers behind the water curtain can effectively reduce the inhalation of dust.

[0010] In a specific embodiment, a first connecting ring is fixedly installed on one side of the bearing seat, and a plurality of first fixing bolts are installed on the first connecting ring. The first fixing bolts are used to fix the first connecting ring in the lane to maintain the stability of the winding roller.

[0011] In the above implementation process, the main shaft rod is rotatably installed through the bearing seat, and the first connecting ring and the first fixing bolt facilitate the fixed installation of the bearing seat to maintain stability.

[0012] In a specific embodiment, anti-slip plates are fixedly installed at both ends of the winding roller, and the winding steel cable is movable between the anti-slip plates on both sides. The anti-slip plates are used to prevent the winding steel cable from detaching from the winding roller when rotating and adjusting.

[0013] In the above implementation process, the setting of the anti-slip plate can limit the winding steel cable, preventing the winding steel cable from escaping from the winding roller when the winding rotation is realized, causing the winding steel cable to be entangled and unable to be used.

[0014] In a specific embodiment, limiting grooves are provided on both sides of the interior of the winding roller, and limiting blocks are fixedly provided on both sides of the middle part of the main shaft rod, and the limiting blocks on both sides are respectively engaged and connected to the inside of the limiting grooves on both sides.

[0015] In the above implementation process, the opening of the limit groove and the setting of the limit block facilitate the connection between the main shaft rod and the winding roller to maintain integrity, facilitate the main shaft rod to rotate with the winding roller, and facilitate the linkage control of subsequent equipment.

[0016] In a specific embodiment, the adapter is used to connect the secondary shaft and the main shaft, and threaded holes are respectively provided at the ends of the secondary shaft and the main shaft. Locking bolts are respectively threadedly connected at both ends of the adapter, and locking nuts are threadedly connected on the locking bolts. The locking bolts are threadedly connected to the inside of the threaded holes.

[0017] In the above implementation process, the setting of the adapter facilitates the fixed connection between the secondary shaft rod and the main shaft rod to maintain the linkage between the secondary shaft rod and the main shaft rod. In order to maintain the stability of the connection, the connection is locked through threaded holes, locking bolts and locking nuts to prevent falling off during operation.

[0018] In a specific implementation, the ball valve core at one end of the secondary shaft begins to penetrate the water hole, one side of the ball valve housing is fixedly connected to a sealing tube, and the secondary shaft is movably connected to the inside of the sealing tube.

[0019] In the above implementation process, the setting of the water hole facilitates the control of the flow of water after the ball valve core is rotated, and the setting of the sealing tube facilitates the maintenance of the connection of the secondary shaft rod, thereby facilitating the rotation adjustment.

[0020] In a specific implementation, connecting pipes are fixedly provided at the upper and lower ends of the ball valve housing, a second water pipe is connected to the connecting pipe at the upper end of the ball valve housing, and one end of the first water pipe is connected to the connecting pipe at the lower end of the ball valve housing.

[0021] In the above implementation process, the setting of the connecting pipe facilitates the connection of the first water pipe and the second water pipe with the ball valve housing to achieve water supply and drainage.

[0022] In a specific embodiment, one side of the telescopic cylinder is connected to a pneumatic control box via a ventilation pipe, the ventilation pipe includes an air inlet pipe and an air outlet pipe, the pneumatic control box is used to control the operation of the telescopic cylinder through the ventilation pipe, the pneumatic control box also includes a compressed air pump, and the compressed air pump is connected to the ventilation pipe.

[0023] In the above implementation process, the pneumatic control box controls the telescopic cylinder through the ventilation pipe, so that the telescopic cylinder can reel in and release the reeling cable, thereby realizing linkage control.

[0024] In a specific embodiment, two guide rollers are attached to the winding steel cable, and the two guide rollers are used to guide and limit the winding steel cable. The two guide rollers are respectively arranged at the lower part of the winding roller and the upper part of the water curtain.

[0025] In the above implementation process, the setting of the guide roller facilitates the limitation and guidance of the movement of the winding steel cable, so that the winding steel cable can effectively pull the water curtain.

[0026] In a specific embodiment, the two guide rollers are movably mounted on a positioning shaft, a second connecting ring is fixedly mounted on one end of the positioning shaft, a plurality of second fixing bolts are provided on the second connecting ring, and the second fixing bolts are used to fix the second connecting ring in the lane.

[0027] In the above implementation process, the guide roller is installed through the positioning shaft, and the guide roller is installed through the second connecting ring and the second fixing bolt to maintain stability.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] When the present invention is in use, the winding steel cable is driven by the linked telescopic cylinder to perform adjustment and control, that is, the winding steel cable is connected to the winding roller which can be rotatably controlled to rise and fall at the telescopic head of the telescopic cylinder, the winding steel cable is wound on the winding roller, and one end of the main shaft rod inside the winding roller is controlled by the secondary shaft rod to control the rotation of the ball valve core, and the water inlet and water shut-off are controlled by the ball valve core. At the same time, the winding steel cable is connected to the connecting ring on the upper part of the water curtain through the guide roller, and the connecting rings on the lower parts of the two sides of the water curtain are connected through the side steel cables. The winding steel cable is driven by the telescopic cylinder to rotate to open and close the ball valve core, so that the spray system is opened, and the water curtain is closed and opened through the guide roller, so that the spray is sprayed onto the water curtain, lubricating the water curtain and locking the dust in the tunnel. Because the spray is transformed into a bridge-shaped design, it can be said that there is no dead angle for the tunnel, so that the workers behind the water curtain can effectively reduce the inhalation of dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 is a front view structural schematic diagram provided by an embodiment of the present invention;

[0032] Figure 2 A rear view schematic diagram of the structure provided by an embodiment of the present invention;

[0033] Figure 3 A schematic diagram of the structure of a secondary shaft rod and a ball valve core provided in an embodiment of the present invention;

[0034] Figure 4 The embodiments of the present invention provide Figure 2 The enlarged schematic diagram at A in the middle;

[0035] Figure 5 The embodiments of the present invention provide Figure 1 Enlarged schematic diagram of point B in the middle.

[0036] In the figure: 1. winding mechanism; 101. winding roller; 102. main shaft; 103. bearing seat; 104. first connecting ring; 105. first fixing bolt; 106. anti-drop plate; 107. limit groove; 108. limit block; 2. winding cable; 3. adapter; 4. locking bolt; 5. locking nut; 6. secondary shaft; 7. ball valve core; 8. ball valve housing; 9. first water pipe; 10. transverse guide pipe; 11. inclined guide pipe; 12. atomizing nozzle; 13. water curtain; 14. connecting ring; 15. side steel cable; 16. connecting pipe; 17. second water pipe; 18. sealing pipe; 19. pneumatic control box; 20. telescopic cylinder; 21. ventilation pipe; 22. guide roller; 23. second connecting ring; 24. positioning shaft; 25. second fixing bolt; 26. threaded hole; 27. water hole. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present invention will be described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0038] In order to make the purpose, 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 in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] When the present invention is in use, the linked telescopic cylinder 20 drives the winding steel cable 2 for adjustment and control, that is, the telescopic head of the telescopic cylinder 20 is connected to the winding roller 101 that can be rotatably controlled to rise and fall by the winding steel cable 2, and the winding steel cable 2 is wound on the winding roller 101. One end of the main shaft rod 102 inside the winding roller 101 controls the rotation of the ball valve core 7 by the secondary shaft rod 6, and the water inlet and water shut-off are controlled by the ball valve core 7. At the same time, the winding steel cable 2 is connected to the connecting ring 14 on the upper part of the water curtain 13 through the guide roller 22, and is connected to the connecting rings 14 on the lower parts of the two sides of the water curtain 13 through the side steel cables 15. The telescopic cylinder 20 drives the winding steel cable 2 to rotate to open and close. Close the ball valve core 7, open the spray system, and close and open the water curtain 13 through the guide roller 22 at the same time, so that the spray is sprayed onto the water curtain 13, lubricating the water curtain 13 and locking the dust in the tunnel. Because the spray is transformed into a bridge-shaped design, it can be said that there is no dead angle for the tunnel, so that the workers behind the water curtain 13 can effectively reduce the inhalation of dust; it is intended to improve the dust prevention measures in the existing technology, which are relatively simple and require manual close-range control of the switch, and the water curtain needs to be turned on and off, which is cumbersome, and each project module needs to be controlled and adjusted separately, and linkage control cannot be achieved, which easily causes a large workload.

[0040] See also Figure 1-5 The present invention provides a dustproof water curtain automatic dust reduction device, comprising a winding mechanism 1, wherein the winding mechanism 1 comprises a winding roller 101, wherein a main shaft rod 102 is installed through the interior of the winding roller 101, and one end of the main shaft rod 102 is movably connected to a bearing seat 103;

[0041] A winding steel cable 2 is wound around the winding roller 101, one end of the winding steel cable 2 is fixedly connected to the output end of the telescopic cylinder 20, one end of the main shaft rod 102 is connected to the secondary shaft rod 6 through the adapter 3, one end of the secondary shaft rod 6 is fixedly provided with a ball valve core 7, the secondary shaft rod 6 is movable inside the ball valve housing 8, the ball valve core 7 is located at the center of the ball valve housing 8, the ball valve core 7 is driven to rotate by the main shaft rod 102 and the secondary shaft rod 6 to control the water flow, the lower part of the ball valve housing 8 is fixedly connected to a first water pipe 9, the lower part of the first water pipe 9 is connected to a transverse guide pipe 10, both sides of the transverse guide pipe 10 are connected to inclined guide pipes 11 respectively, and the inner sides of the transverse guide pipe 10 and the inclined guide pipe 11 are fixedly connected to a plurality of atomizing nozzles 12;

[0042] A water curtain 13 is installed at the entrance of the tunnel. The upper end and the lower ends of the water curtain 13 are respectively fixed with connecting rings 14. The other end of the winding steel cable 2 is fixedly connected to the connecting ring 14 at the upper end of the water curtain 13. The end of the winding steel cable 2 is respectively fixedly connected to the side steel cables 15 on both sides. The side steel cables 15 on both sides are respectively fixedly connected to the connecting rings 14 on both sides of the water curtain 13. The winding steel cable 2 and the side steel cables 15 are used to realize the winding of the winding roller 101. Under the action of, the water curtain 13 is pulled to open the tunnel entrance, and the multiple atomizing nozzles 12 on the inner side of the transverse guide pipe 10 and the inclined guide pipe 11 realize atomizing and spraying the water curtain 13. The lubricated water curtain 13 locks the dust in the tunnel, and the transverse guide pipe 10 and the inclined guide pipe 11 are designed in a bridge shape to spray the tunnel without dead ends. The workers behind the water curtain 13 can effectively reduce the inhalation of dust.

[0043] Specifically, a first connecting ring 104 is fixedly installed on one side of the bearing seat 103, and a plurality of first fixing bolts 105 are installed on the first connecting ring 104. The first fixing bolts 105 are used to fix the first connecting ring 104 in the tunnel to maintain the stability of the winding roller 101. The main shaft 102 is rotatably installed through the bearing seat 103, and the first connecting ring 104 and the first fixing bolts 105 facilitate the fixed installation of the bearing seat 103 to maintain stability.

[0044] In the specific setting, anti-slip plates 106 are fixedly installed at both ends of the winding roller 101, and the winding steel cable 2 is movable between the anti-slip plates 106 on both sides. The anti-slip plates 106 are used to prevent the winding steel cable 2 from detaching from the winding roller 101 when rotating and adjusting. The setting of the anti-slip plates 106 can limit the winding steel cable 2 and prevent the winding steel cable 2 from detaching from the winding roller 101 when winding and rotating, causing the winding steel cable 2 to be entangled and unable to be used.

[0045] In some specific implementation schemes, limiting grooves 107 are opened on both sides of the interior of the winding roller 101, and limiting blocks 108 are fixedly provided on both sides of the middle part of the main shaft rod 102. The limiting blocks 108 on both sides are respectively engaged and connected to the inside of the limiting grooves 107 on both sides. The opening of the limiting grooves 107 and the setting of the limiting blocks 108 facilitate the connection between the main shaft rod 102 and the winding roller 101 to maintain the integrity, facilitate the main shaft rod 102 to follow the winding roller 101 to rotate, and facilitate the linkage control of subsequent equipment.

[0046] In some other embodiments, the adapter 3 is used to connect the secondary shaft 6 and the main shaft 102, and threaded holes 26 are respectively provided at the ends of the secondary shaft 6 and the main shaft 102, and locking bolts 4 are respectively threadedly connected at both ends of the adapter 3, and locking nuts 5 are threadedly connected on the locking bolts 4, and the locking bolts 4 are threadedly connected inside the threaded holes 26. The setting of the adapter 3 facilitates the fixed connection between the secondary shaft 6 and the main shaft 102 to maintain the linkage between the secondary shaft 6 and the main shaft 102. In order to maintain the stability of the connection, the threaded hole 26, the locking bolts 4 and the locking nuts 5 are used to perform a locking connection to prevent them from falling off during operation.

[0047] In the present invention, the ball valve core 7 at one end of the secondary shaft 6 starts to penetrate the water hole 27, and a sealing tube 18 is fixedly connected to one side of the ball valve housing 8. The secondary shaft 6 is movably connected to the inside of the sealing tube 18. The setting of the water hole 27 facilitates the control of the flow of water after the ball valve core 7 rotates, and the setting of the sealing tube 18 facilitates the maintenance of the connection of the secondary shaft 6, thereby facilitating rotation adjustment.

[0048] It can be understood that in other embodiments, connecting pipes 16 are fixedly provided at the upper and lower ends of the ball valve housing 8, and the connecting pipe 16 at the upper end of the ball valve housing 8 is connected to the second water pipe 17, and one end of the first water pipe 9 is connected to the connecting pipe 16 at the lower end of the ball valve housing 8. The setting of the connecting pipe 16 facilitates the connection of the first water pipe 9 and the second water pipe 17 to the ball valve housing 8 to realize water supply and drainage.

[0049] In a specific implementation scheme, one side of the telescopic cylinder 20 is connected to a pneumatic control box 19 via a ventilation pipe 21, wherein the ventilation pipe 21 includes an air inlet pipe and an air outlet pipe, and the pneumatic control box 19 is used to control the operation of the telescopic cylinder 20 via the ventilation pipe 21. The pneumatic control box 19 also includes a compressed air pump, which is connected to the ventilation pipe 21. The pneumatic control box 19 controls the telescopic cylinder 20 via the ventilation pipe 21, so that the telescopic cylinder 20 can reel in and release the reeling cable 2, thereby realizing linkage control.

[0050] In this embodiment, two guide rollers 22 are closely connected to the winding steel cable 2, and the two guide rollers 22 are used to guide and limit the winding steel cable 2. The two guide rollers 22 are respectively arranged at the lower part of the winding roller 101 and the upper part of the water curtain 13. The setting of the guide rollers 22 facilitates the limitation and guidance of the movement of the winding steel cable 2, so that the winding steel cable 2 can effectively pull the water curtain 13.

[0051] Optionally, the two guide rollers 22 are movably mounted on the positioning shaft 24, a second connecting ring 23 is fixedly mounted on one end of the positioning shaft 24, and a plurality of second fixing bolts 25 are provided on the second connecting ring 23, and the second fixing bolts 25 are used to fix the second connecting ring 23 in the lane, and the guide roller 22 is installed through the positioning shaft 24, and the guide roller 22 is installed through the second connecting ring 23 and the second fixing bolts 25 to maintain stability.

[0052] The working principle of the dust-proof water curtain automatic dust reduction device:

[0053] When in use, the main shaft rod 102 is rotatably installed through the bearing seat 103, and the first connecting ring 104 and the first fixing bolt 105 are convenient for fixing the bearing seat 103 to maintain stability. When the equipment is in operation, the telescopic cylinder 20 is controlled and adjusted through the pneumatic control box 19, that is, the linked telescopic cylinder 20 drives the winding steel cable 2 to be adjusted and controlled under the control of the pneumatic control box 19, that is, the telescopic head of the telescopic cylinder 20 is connected to the winding roller 101 that can be rotatably controlled to rise and fall with the winding steel cable 2, and the function of the winding roller 101 is mainly to realize the winding support of the winding steel cable 2, so that when the winding steel cable 2 is pulled, it can be rotated, so that the winding steel cable 2 can be fed at both ends, and the winding steel cable 2 is wound on the winding roller 1 01, one end of the main shaft 102 inside the winding roller 101 uses the secondary shaft 6 to control the rotation of the ball valve core 7, and the water inlet and water shut-off are controlled by the ball valve core 7. At the same time, the winding steel cable 2 is connected to the connecting ring 14 on the upper part of the water curtain 13 through the guide roller 22, and the connecting rings 14 on the lower parts of the water curtain 13 on both sides are connected through the side steel cable 15. The winding steel cable 2 is driven by the telescopic cylinder 20 to rotate to open and close the ball valve core 7, so that the spray system is opened, and the water curtain 13 is closed and opened through the guide roller 22, so that the spray is sprayed onto the water curtain 13, lubricating the water curtain 13 and locking the dust in the tunnel. Because the spray is transformed into a bridge-type design, it can be said that there is no dead angle for the tunnel. In this way, the operators behind the water curtain 13 can effectively reduce dust inhalation.

[0054] The above description is only an embodiment of the present invention and is not intended to limit the scope of protection of the present invention. For those skilled in the art, the present invention may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention. It should be noted that similar numbers and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0055] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. Dust-proof water curtain automatic dust reduction device, characterized in that: The invention comprises a winding mechanism (1), wherein the winding mechanism (1) comprises a winding roller (101), a main shaft rod (102) is installed through the interior of the winding roller (101), and one end of the main shaft rod (102) is movably connected to a bearing seat (103); A winding steel cable (2) is wound around the winding roller (101), one end of the winding steel cable (2) is fixedly connected to the output end of the telescopic cylinder (20), one end of the main shaft rod (102) is connected to a secondary shaft rod (6) via an adapter (3), one end of the secondary shaft rod (6) is fixedly provided with a ball valve core (7), the secondary shaft rod (6) is movably located inside the ball valve housing (8), the ball valve core (7) is located at the center of the ball valve housing (8), and the ball valve core (7) is located at the center of the ball valve housing (8). 7) The main shaft (102) and the secondary shaft (6) are driven to rotate to control the water flow, the lower part of the ball valve housing (8) is fixedly connected to a first water pipe (9), the lower part of the first water pipe (9) is connected to a transverse flow guide pipe (10), the two sides of the transverse flow guide pipe (10) are respectively connected to inclined flow guide pipes (11), and the inner sides of the transverse flow guide pipe (10) and the inclined flow guide pipe (11) are fixedly connected to a plurality of atomizing nozzles (12); A water curtain (13) is installed at the entrance of the tunnel. The upper end and the lower ends of the water curtain (13) are respectively fixedly provided with connecting rings (14). The other end of the winding steel cable (2) is fixedly connected to the connecting ring (14) at the upper end of the water curtain (13). The ends of the winding steel cable (2) are respectively fixedly connected to side steel cables (15). The side steel cables (15) at both sides are respectively fixedly connected to the connecting rings (14) at both sides of the water curtain (13). The winding steel cable (2) and the side steel cables (15) are used to realize the winding of the winding roller. Under the action of (101), the water curtain (13) is pulled to open the tunnel entrance, and the plurality of atomizing nozzles (12) on the inner side of the transverse guide pipe (10) and the inclined guide pipe (11) are used to atomize and spray the water curtain (13). The lubricated water curtain (13) locks the dust in the tunnel, and the transverse guide pipe (10) and the inclined guide pipe (11) are designed in a bridge shape to spray the tunnel without dead corners. The workers behind the water curtain (13) can effectively reduce the inhalation of dust.

2. The dust-proof water curtain automatic dust reduction device according to claim 1 is characterized in that: A first connecting ring (104) is fixedly installed on one side of the bearing seat (103), and a plurality of first fixing bolts (105) are installed on the first connecting ring (104). The first fixing bolts (105) are used to fix the first connecting ring (104) in the lane to maintain the stability of the winding roller (101).

3. The dust-proof water curtain automatic dust reduction device according to claim 1 is characterized in that: Anti-slip plates (106) are fixedly mounted on both ends of the winding roller (101), and the winding steel cable (2) is movably located between the anti-slip plates (106) on both sides. The anti-slip plates (106) are used to prevent the winding steel cable (2) from escaping from the winding roller (101) when the winding steel cable (2) is rotated and adjusted.

4. The dust-proof water curtain automatic dust reduction device according to claim 1 is characterized in that: Limiting grooves (107) are provided on both sides of the interior of the winding roller (101), and limiting blocks (108) are fixedly provided on both sides of the middle part of the main shaft rod (102), and the limiting blocks (108) on both sides are respectively engaged and connected to the inside of the limiting grooves (107) on both sides.

5. The dust-proof water curtain automatic dust reduction device according to claim 1 is characterized in that: The adapter (3) is used to connect the secondary shaft (6) and the main shaft (102), and the ends of the secondary shaft (6) and the main shaft (102) are respectively provided with threaded holes (26), and the two ends of the adapter (3) are respectively threadedly connected with locking bolts (4), and the locking bolts (4) are threadedly connected with locking nuts (5), and the locking bolts (4) are threadedly connected inside the threaded holes (26).

6. The dust-proof water curtain automatic dust reduction device according to claim 1 is characterized in that: The ball valve core (7) at one end of the secondary shaft (6) begins to penetrate a water hole (27), one side of the ball valve housing (8) is fixedly connected to a sealing tube (18), and the secondary shaft (6) is movably connected to the inside of the sealing tube (18).

7. The dust-proof water curtain automatic dust reduction device according to claim 1 is characterized in that: Connecting pipes (16) are fixedly provided at the upper and lower ends of the ball valve housing (8), respectively; a second water pipe (17) is connected to the connecting pipe (16) at the upper end of the ball valve housing (8), and one end of the first water pipe (9) is connected to the connecting pipe (16) at the lower end of the ball valve housing (8).

8. The dust-proof water curtain automatic dust reduction device according to claim 1 is characterized in that: One side of the telescopic cylinder (20) is connected to a pneumatic control box (19) via a ventilation pipe (21); the ventilation pipe (21) includes an air inlet pipe and an air outlet pipe; the pneumatic control box (19) is used to control the operation of the telescopic cylinder (20) via the ventilation pipe (21); the pneumatic control box (19) also includes a compressed air pump; the compressed air pump is in communication with the ventilation pipe (21).

9. The dust-proof water curtain automatic dust reduction device according to claim 1, characterized in that: Two guide rollers (22) are attached to the winding steel cable (2), and the two guide rollers (22) are used to guide and limit the winding steel cable (2). The two guide rollers (22) are respectively arranged at the lower part of the winding roller (101) and the upper part of the water curtain (13).

10. The dust-proof water curtain automatic dust reduction device according to claim 9, characterized in that: The two guide rollers (22) are movably mounted on a positioning shaft (24); a second connecting ring (23) is fixedly mounted on one end of the positioning shaft (24); a plurality of second fixing bolts (25) are provided on the second connecting ring (23); and the second fixing bolts (25) are used to fix the second connecting ring (23) in the tunnel.

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