CN116733522B - Variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction - Google Patents
Variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel constructionInfo
- Publication number
- CN116733522B CN116733522B CN202310825544.0A CN202310825544A CN116733522B CN 116733522 B CN116733522 B CN 116733522B CN 202310825544 A CN202310825544 A CN 202310825544A CN 116733522 B CN116733522 B CN 116733522B
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- dust
- air outlet
- variable
- pipe
- dust removal
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/20—Drawing-off or depositing dust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Public Health (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of tunnel dust removal and discloses a variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction, which comprises a truck and a carriage arranged on the truck, wherein a filter cartridge dust remover is embedded and arranged at the upper end of the carriage, an ash collecting bin mechanism is arranged at the lower end of the filter cartridge dust remover, an ash cleaning mechanism and a spraying assembly are sequentially arranged at the upper end of the inner side of the filter cartridge dust remover from front to back, and a variable-frequency fan is arranged at the inner side of each air outlet pipe. The dust collection device can remove dust in the moving process through the truck, the variable-frequency fan and the filter cylinder dust remover, can change the positions of different filter cylinders and the air inlet through the position-changing filter cylinder assembly, can fully utilize each filter cylinder, can achieve the maximization of dust removal efficiency, can capture small particle dust through the spraying assembly, further improves the dust removal effect, can collect dust through the dust collection bin mechanism, can pour the collected dust out, and achieves automatic dust discharging, and is convenient and fast.
Description
Technical Field
The invention relates to the technical field of tunnel dust removal, in particular to a variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction.
Background
The drilling and blasting method construction is widely applied to tunnel exploitation, however, because a large amount of dust is generated in the processes of drilling, blasting, concrete spraying, slag discharging and transporting and the like performed in exploitation, especially the respiratory dust in the dust can cause fatal injury to human bodies, the dust prevention and control generated in the construction process is particularly important, and dust removal equipment is needed.
Chinese patent discloses a novel tunnel dust removal vehicle (grant bulletin No. CN 211900676U), and the patent technology solves the problems that the traditional dust remover is heavy and not easy to move. The dust removal vehicle can reach the corresponding position, and the dust removal efficiency is improved. The dust collection cylinder can be adjusted according to the site situation, so that the dust collection efficiency is ensured, the dust concentration is greatly reduced, the working efficiency of constructors is ensured, but the dust collection cylinder cannot be fully utilized when sucking each dust cylinder, and the dust can not be automatically discharged.
Disclosure of Invention
The invention aims to provide a variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
A variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction comprises a truck and a carriage arranged on the truck, wherein an air inlet pipe is arranged in the middle of the front end of the carriage, a group of air outlet pipes are arranged on the upper portion of the rear end of the carriage, one end of the carriage is rotationally connected with a box door through a hinge, a hydraulic cylinder is rotationally connected between the carriage and the box door, a filter cartridge dust remover is embedded and arranged at the upper end of the carriage, an ash collecting bin mechanism is arranged at the lower end of the filter cartridge dust remover, an ash cleaning mechanism and a spraying assembly are sequentially arranged at the upper end of the inner side of the filter cartridge dust remover from front to back, a variable-frequency fan is arranged at the inner side of the air outlet pipes, a dust concentration sensor is arranged at the front side of the variable-frequency fan, the filter cartridge dust remover comprises a square cover and a horn cover fixed at the lower end of the square cover, a box cover is arranged at the upper end of the square cover, a filter cartridge cover plate is arranged at the lower end of the square cover and a deflection assembly is arranged at the inner side of the square cover, and a filter cartridge dust removal assembly is arranged at the inner side of the square cover.
As a still further scheme of the invention, the deflection filter cylinder assembly comprises an annular conveyor belt and a plurality of air outlet circular pipes uniformly arranged on the outer side of the annular conveyor belt, a sealing ring is arranged on the outer side of the upper end of each air outlet circular pipe, a filter cylinder is fixedly connected to the lower end of each air outlet circular pipe, a third bearing seat is arranged on the front side and the rear side of the upper end of each air outlet circular pipe, a first belt pulley group is arranged on the lower end of each air outlet circular pipe, a deflection motor is arranged on the front side of the upper end of each first belt pulley group, and an encoder is arranged on the front side of each deflection motor.
As a still further scheme of the invention, the square cover comprises a square cover body, wherein a plurality of air outlet holes and water inlet holes are respectively formed in the inner side of the square cover body from front to back, a plurality of air pipe holes and water pipe holes are respectively formed in one side of the square cover body from front to back, a group of air outlets are formed in the rear end of the square cover body, two groups of annular sliding grooves are formed in the bottom end of the square cover body below the air outlet holes, and a partition plate is fixedly connected between the water inlet holes and the air outlet holes in the inner side of the square cover body.
As a still further scheme of the invention, each air outlet circular tube corresponds to one air outlet hole, each air outlet circular tube is connected to the inner side of the corresponding air outlet hole in a sliding mode, and the third bearing seat is arranged at the lower end of the square cover.
As a still further scheme of the invention, the sealing assembly comprises a plurality of rotary cover plates, one side of the lower end of each rotary cover plate is fixedly connected with a rotary shaft, a third belt pulley group is arranged between two adjacent rotary shafts, a second belt pulley group is arranged at the lower end of one rotary shaft, a rotary motor is arranged at the front side of the lower end of the second belt pulley group, each rotary cover plate is positioned at the upper end of a corresponding air outlet hole, the rotary motor is arranged at the inner side of the square cover body, and the second belt pulley group and the third belt pulley group are positioned at the bottom end of the square cover body.
As a still further scheme of the invention, the spray assembly comprises a water tank, a water pump is arranged at the upper end of the water tank, a main water pipe is connected with the output end of the water pump, a plurality of electromagnetic valves are arranged at the upper end of the main water pipe, branch water pipes are fixedly connected with the output ends of the electromagnetic valves, a plurality of atomizing nozzles are arranged at the lower ends of the branch water pipes, the water tank and the main water pipe are arranged at the outer side of a carriage, the branch water pipes penetrate through the inner sides of corresponding water pipe holes, and the atomizing nozzles penetrate through the inner sides of water inlet holes.
The ash collecting bin mechanism comprises an ash collecting bin and two ball screws positioned at the lower sides of the front end and the rear end of the ash collecting bin, wherein one side of the upper end of the ash collecting bin is rotationally connected with an electric cylinder, the other side of the lower end of the ash collecting bin is rotationally connected with a connecting rod, the upper part of each ball screw is in meshed connection with a nut pair, two ends of one ball screw are respectively provided with a second bearing seat, one end of the other ball screw is provided with a second bearing seat, the other end of the other ball screw is provided with a second motor, and a second belt pulley set is arranged between the two ball screws.
As a still further proposal of the invention, the lower ends of the electric cylinder and the connecting rod are both in rotary connection with the corresponding nut pair, the second bearing and the second motor are both arranged at the lower end of the carriage, and the upper end of the ash collecting bin is right opposite to the lower end of the ash discharging valve.
As a still further scheme of the invention, the ash cleaning mechanism comprises an air compressor, wherein the output end of the air compressor is fixedly connected with a main air pipe through a guide pipe, the upper end of the main air pipe is provided with a plurality of pulse valves, one end of each pulse valve is fixedly connected with a hose, one end of each hose is connected with a bronchus, the lower end of each bronchus is provided with a plurality of pulse nozzles, and the lower sides of the front end and the rear end of each connecting rod are provided with a lifting cylinder.
As a still further proposal of the invention, the main air pipe and the air compressor are both arranged on the outer side wall of the carriage, the hoses penetrate the inner sides of the corresponding air pipe holes, and the pulse nozzles are in one-to-one correspondence with the filter cartridges.
Compared with the prior art, the invention has the beneficial effects that:
The dust collection device can remove dust in the moving process through the truck, the variable-frequency fan and the filter cartridge dust remover, the positions of different filter cartridges and the air inlet can be changed through the position-changing filter cartridge assembly, so that each filter cartridge can be fully utilized, the dust removal efficiency is maximized, meanwhile, the position close to the air inlet is not excessively folded, the position-changing filter cartridge assembly is maximized, small particle dust can be captured through the spraying assembly, the dust removal effect is further improved, the dust can be collected through the dust collection bin mechanism, the collected dust can be poured out, the automatic dust discharging is realized, and the dust collection device is convenient and quick.
Drawings
FIG. 1 is a schematic structural diagram of a variable frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction;
FIG. 2 is a schematic diagram of an exploded structure of a variable frequency wet and dry integrated closed dust collector for tunnel construction;
FIG. 3 is a schematic diagram of an exploded construction of a cartridge dust collector in a variable frequency wet and dry integrated closed dust collector vehicle for tunnel construction;
FIG. 4 is a schematic structural view of a modified filter cartridge assembly in a variable frequency wet and dry integrated closed dust removal vehicle for tunnel construction;
FIG. 5 is a schematic structural view of a square cover in a variable frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction;
FIG. 6 is a schematic structural view of a seal assembly in a variable frequency wet and dry integrated closed dust removal vehicle for tunnel construction;
FIG. 7 is a schematic cross-sectional view of a seal assembly and a modified filter cartridge assembly in a variable frequency wet and dry integrated closed dust collector for tunnel construction;
FIG. 8 is a schematic diagram of a local structure of a spray assembly in a variable frequency wet and dry integrated closed dust removal vehicle for tunnel construction;
FIG. 9 is a schematic structural view of a dust removing mechanism in a variable frequency type dry-wet comprehensive closed dust removing vehicle for tunnel construction;
Fig. 10 is a schematic structural diagram of an ash collection bin mechanism in a variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction.
1, A truck; 2, an air outlet pipe; 3, a variable frequency fan; 31, dust concentration sensor, 4, spray assembly, 41, water tank, 42, main water pipe, 43, electromagnetic valve, 44, branch water pipe, 45, atomizing nozzle, 46, water pump, 5, cartridge dust collector, 51, square cover, 511, square cover body, 512, air pipe hole, 513, water pipe hole, 514, air outlet hole, 515, air outlet hole, 516, water inlet hole, 517, annular chute, 518, partition plate, 52, box cover plate, 53, ash discharge valve, 54, horn cover, 55, position-changing cartridge assembly, 551, filter cartridge, 552, encoder, 553, sealing ring, 554, air outlet pipe, 555, annular conveyor belt, 556, first belt pulley set, 557, position-changing motor, 558, third bearing seat, 56, sealing assembly, 561, rotary cover plate, 562, rotary motor, 563, second belt pulley set, 564, rotary shaft, 565, third belt pulley set, 57, air inlet, 6, ash removing mechanism, 61, air compressor, 62, main air pipe, 63, pulse valve, 64, branch air pipe, 65, pulse nozzle, 66, lifting motor, 67, air cylinder, 67, 555, air cylinder, 555, air outlet pipe, 555, air cylinder, 55, electric motor, fan box, 555, 55, rotary motor, fan, seat, 561, seal ring carrier, 561, rotating cover plate, 561, rotating motor, 561, rotating housing, etc.
Detailed Description
Referring to fig. 1 to 10, in the embodiment of the invention, a variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction comprises a truck 1 and a carriage 7 mounted on the truck 1, wherein an air inlet pipe 8 is arranged in the middle of the front end of the carriage 7, a group of air outlet pipes 2 are arranged at the upper part of the rear end of the carriage 7, one end of the carriage 7 is rotatably connected with a box door 11 through a hinge, a hydraulic cylinder 10 is rotatably connected between the carriage 7 and the box door 11, a filter cartridge dust remover 5 is embedded and mounted at the upper end of the carriage 7, an ash collecting bin mechanism 9 is arranged at the lower end of the filter cartridge dust remover 5, an ash removing mechanism 6 and a spraying assembly 4 are sequentially mounted at the upper end of the inner side of the filter cartridge dust remover 5 from front to back, a variable-frequency fan 3 is mounted at the inner side of each air outlet pipe 2, a dust concentration sensor 31 is mounted at the front side of the variable-frequency fan 3, the dust concentration at the position of the air outlet pipe 2 is monitored through the dust concentration sensor 31, and the power of the variable-frequency fan 3 is adjusted according to the dust concentration, so that the cost is reduced; the filter cartridge dust collector 5 comprises a square cover 51 and a horn cover 54 fixed at the lower end of the square cover 51, an air inlet 57 is formed in the front side of the horn cover 54, an ash discharge valve 53 is installed at the lower end of the horn cover 54, a box cover plate 52 is installed at the upper end of the square cover 51, a deflection filter cartridge assembly 55 is arranged at the inner side of the horn cover 54 at the lower end of the square cover 51, and a sealing assembly 56 is arranged at the upper end of the deflection filter cartridge assembly 55 at the inner side of the square cover 51.
In fig. 3, fig. 4 and fig. 7, the displacement filter cartridge assembly 55 comprises an annular conveyor belt 555 and a plurality of air outlet circular pipes 554 uniformly arranged on the outer side of the annular conveyor belt 555, a sealing ring 553 is arranged on the outer side of the upper end of each air outlet circular pipe 554, a filter cartridge 551 is fixedly connected to the lower end of each air outlet circular pipe 554, a third bearing seat 558 is arranged on the front side and the rear side of the upper end of each air outlet circular pipe 554, a first belt pulley group 556 is arranged on the lower end of each air outlet circular pipe 554, a displacement motor 557 is arranged on the front side of the upper end of each first belt pulley group 556, an encoder 552 is arranged on the displacement motor 557, after a certain period of operation according to the dust concentration in a tunnel, the displacement motor 557 is started to drive the annular conveyor belt 555 to rotate, and the annular conveyor belt 555 drives the filter cartridge 551 to move, so that the position of each filter cartridge 551, which is originally far away from the air inlet 57, is fully utilized, the filter cartridge 551 at the position close to the air inlet 57 is prevented from being blocked, the serious dust removal efficiency is improved, and when the filter cartridge assembly 55 is required to be replaced for the best use, and the filter cartridge assembly 55 is replaced at one time; the angular displacement of the displacement motor 557 is converted into linear displacement by the encoder 552, so that the stroke of the belt can be precisely controlled, so that the filter cartridge 551 on the front side can reach just below the corresponding air outlet hole 514.
In fig. 5, the square cover 51 includes a square cover body 511, a plurality of air outlet holes 514 and water inlet holes 516 are respectively formed in the inner side of the square cover body 511 from front to back, a plurality of air pipe holes 512 and water pipe holes 513 are respectively formed in one side of the square cover body 511 from front to back, a group of air outlet holes 515 are formed in the rear end of the square cover body 511, two groups of annular sliding grooves 517 are formed in the bottom end of the square cover body 511 below the air outlet holes 514, a partition plate 518 is fixedly connected between the air inlet holes 516 and the air outlet holes 514 in the inner side of the square cover body 511, each air outlet round pipe 554 corresponds to one air outlet hole 514, each air outlet round pipe 554 is slidably connected to the inner side of the corresponding air outlet hole 514, a third bearing seat 558 is mounted at the lower end of the square cover 51, a filter screen is mounted in the air inlet holes 516, dust cannot enter the square cover body 511 through the partition plate 518 to divide the square cover body 511 into two front and rear parts, air filtered by the filter cartridge assemblies 55 enters the front side 518 of the inside the square cover body 511, and then passes through the partition plate assemblies 511 to spray 4 and then passes through the inner side of the filter cartridge assemblies to spray 4.
In fig. 6 and 7, the sealing assembly 56 comprises a plurality of rotary cover plates 561, one side of the lower end of each rotary cover plate 561 is fixedly connected with a rotary shaft 564, a third belt pulley set 565 is arranged between two adjacent rotary shafts 564, a second belt pulley set 563 is arranged at the lower end of one rotary shaft 564, a rotary motor 562 is arranged at the front side of the lower end of the second belt pulley set 563, each rotary cover plate 561 is positioned at the upper end of a corresponding air outlet 514, the rotary motor 562 is arranged at the inner side of the square cover body 511, the second belt pulley set 563 and the third belt pulley set 565 are positioned at the bottom end of the square cover body 511, the rotary motor 562 drives the second belt pulley set 563 to rotate, and accordingly, the rotary cover plates 561 can rotate around the rotary shaft 564, at the moment, the air outlet 514 can be opened or closed, when the filter cartridges 551 and the air outlet 554 move along with the annular conveyor 555, the corresponding air outlet 514 is separated from the circular tube, the horn cover 54 and the horn cover 554 can be conveniently plugged into the square cover plate 51 through the air outlet 514 through the horn cover plates 54, and the air outlet holes 54 can be plugged into the square cover plates 51 through the air outlet holes 54 when the horn cover plates 54 are required to be plugged into the square cover plates 51.
In fig. 2 and 8, the spray assembly 4 includes a water tank 41, a water pump 46 is installed at the upper end of the water tank 41, the output end of the water pump 46 is connected with a main water pipe 42, a plurality of electromagnetic valves 43 are installed at the upper end of the main water pipe 42, the output ends of the electromagnetic valves 43 are all fixedly connected with branch water pipes 44, a plurality of atomizing nozzles 45 are installed at the lower ends of the branch water pipes 44, the water tank 41 and the main water pipe 42 are all installed at the outer side of the carriage 7, the branch water pipes 44 penetrate through the inner sides of corresponding water pipe holes 513, the atomizing nozzles 45 penetrate through the inner sides of water inlet holes 516, spray water in the water tank 41 is pumped out through the water pump 46, the spray water enters the main water pipe 42, the water yield is regulated through the electromagnetic valves 43, then the spray water enters the branch water pipe 44 again, and then the spray water is sprayed into the square cover body 511 at the rear side of the partition 518 in an atomized form from the lower end of the atomizing nozzles 45, so that fine dust which cannot be filtered by the filter cartridge 551, such as dust with the particle size smaller than 0.7um, is captured by the atomized water, and flows into the horn cover 54 through the water inlet holes 516.
In fig. 1,2, 3 and 9, the ash removing mechanism 6 comprises an air compressor 61, the output end of the air compressor 61 is fixedly connected with a main air pipe 62 through a conduit, the upper end of the main air pipe 62 is provided with a plurality of pulse valves 63, one end of each pulse valve 63 is fixedly connected with a hose 67, one end of each hose 67 is connected with a branch air pipe 64, the lower end of each branch air pipe 64 is provided with a plurality of pulse nozzles 65, a connecting rod 68 is commonly connected among the plurality of branch air pipes 64, the lower sides of the front end and the rear end of the connecting rod 68 are provided with a lifting cylinder 66, the main air pipe 62 and the air compressor 61 are both arranged on the outer side wall of the carriage 7, the hose 67 penetrates through the inner side of the corresponding air pipe hole 512, the pulse nozzles 65 are in one-to-one correspondence with the filter cartridges 551, when the rotary cover plate 561 is moved away from the air outlet hole 514, the lifting air cylinder 66 is retracted to drive the connecting rod 68, the branch air pipe 64 and the pulse nozzles 65 to descend together, the pulse nozzles 65 enter the air outlet circular pipe 554 from the air outlet hole 514, at the moment, air is compressed through the air compressor 61, compressed air enters the main air pipe 62, the pulse valve 63 is opened, compressed air passes through the branch air pipe 64 and is sprayed out of the lower end of the pulse nozzles 65, then enters the filter cartridges 551 from the air outlet circular pipe 554, and dust trapped on the outer side of the filter cartridges 551 is blown down, so that the filtering efficiency of the filter cartridges 551 is improved.
In fig. 1, 2 and 10, the ash collecting bin mechanism 9 comprises an ash collecting bin 91 and two ball screws 95 positioned at the lower sides of the front end and the rear end of the ash collecting bin 91, one side of the upper end of the ash collecting bin 91 is rotationally connected with an electric cylinder 98, the other side of the lower end of the ash collecting bin 91 is rotationally connected with a connecting rod 92, each ball screw 95 is connected with a nut pair 94 in an engaged mode, two ends of one ball screw 95 are respectively provided with a second bearing seat 93, one end of the other ball screw 95 is provided with a second bearing seat 93, the other end of the other ball screw 95 is provided with a second motor 96, a second belt pulley group 97 is arranged between the two ball screws 95, the lower ends of the electric cylinder 98 and the connecting rod 92 are rotationally connected with the corresponding nut pairs 94, the second bearing seats 93 and the second motor 96 are respectively arranged at the lower end of the carriage 7, the upper end of the ash collecting bin 91 is just opposite to the lower end of the ash discharging valve 53, the corresponding ball screws 95 are driven to rotate through the second belt pulley group 96, the other ball screws 95 are driven to rotate through the second belt pulley group 97, accordingly, the corresponding ball screws 95 are driven to move along the corresponding ball screws 94 to the corresponding ball screws 91 to move along the ash collecting bin 91 to the position to the ash collecting bin 11, and then the ash collecting bin 11 can be driven to move along the ash collecting bin 11, and the ash collecting bin can be moved to the ash collecting bin 11 by the ash collecting bin 11, and the dust can be driven to move anticlockwise, and the dust can be moved by the ash collecting bin 11.
The working principle of the invention is that firstly, a truck 1 is driven into a tunnel, then a variable frequency fan 3 is started, the variable frequency fan 3 generates negative pressure, dust and air in the tunnel are sucked into a horn cover 54 from an air inlet pipe 8 and an air inlet 57, one part of dust falls into the bottom of the horn cover 54 under the action of gravity, the other part of dust and air pass through a filter cartridge 551 together, wherein the dust is trapped by the filter cartridge 551, the air enters the inner side of the filter cartridge 551, enters the front side of the interior of the square cover 51 through an air outlet round pipe 554, enters the rear side of the interior of the square cover body 511 through a partition plate 518, then a water pump 46 is started, the water pump 46 pumps out spray water in a water tank 41, the spray water enters a main water pipe 42, the water outlet quantity is regulated through an electromagnetic valve 43, the spray water enters a branch water pipe 44 again, then the spray water is sprayed into the rear side of the interior of the square cover body 511 in an atomized form from the lower end of an atomizing nozzle 45, so that fine dust which cannot be filtered by the filter cartridge 551, such as dust with the particle size smaller than 0.7um, is captured by the water, flows into the horn cover 54 through an air inlet hole 516, the dust concentration of which is filtered by the dust is discharged through the air outlet 2, and the air outlet of the air channel 2 is adjusted according to the concentration of the dust, and the dust is required to be discharged through the air outlet 2, and the air channel 2, and the dust concentration is adjusted.
When the outside of the filter cartridge 551 entraps excessive dust and influences the filtering effect, the lifting air cylinder 66 is started, the lifting air cylinder 66 is retracted, the connecting rod 68, the branch air pipe 64 and the pulse nozzle 65 are driven to descend together, the pulse nozzle 65 enters the air outlet circular pipe 554 from the air outlet hole 514, at this time, air is compressed through the air compressor 61, after the compressed air enters the main air pipe 62, the pulse valve 63 is opened, the compressed air is ejected from the lower end of the pulse nozzle 65 after passing through the branch air pipe 64, and then enters the filter cartridge 551 from the air outlet circular pipe 554, so that the dust entrapped on the outside of the filter cartridge 551 is blown down, and the dust falls into the horn cover 54;
When more dust is collected in the horn cover 54 and is needed to be discharged, the dust discharging valve 53 is opened, the dust falls into the dust collecting bin 91, then the dust discharging valve 53 is closed, the second motor 96 is started, the second motor 96 drives the corresponding ball screw 95 to rotate, the ball screw 95 drives the other ball screw 95 to rotate through the second belt pulley group 97, so that the nut pair 94 moves linearly along the corresponding ball screw 95, the dust collecting bin 91 is driven to move along the ball screw 95 to a position close to the bin door 11, then the hydraulic cylinder 10 is started, the hydraulic cylinder 10 stretches to open the bin door 11 upwards, then the electric cylinder 98 is started, the electric cylinder 98 drives the dust collecting bin 91 to rotate anticlockwise, a trolley is placed below the bin door 11, and the dust in the dust collecting bin 91 can be automatically poured into the trolley to finish dust discharging, so that the dust discharging is convenient and quick.
When the filter cartridge assembly 55 works for a period of time, the rotating motor 562 is started, the rotating motor 562 drives the second belt pulley group 563 to rotate, the second belt pulley group 563 drives the rotating shaft 564 and the third belt pulley group 565 to rotate, so that the rotating cover plate 561 can rotate around the rotating shaft 564 to seal the air outlet 514 through the rotating cover plate 561, then the shifting motor 557 is started, the shifting motor 557 drives the annular conveying belt 555 to rotate through the first belt pulley group 556, and the annular conveying belt 555 drives the filter cartridges 551 to move, so that the positions which are far away from the air inlet 57 originally move to the air inlet 57, each filter cartridge 551 can be fully utilized, the maximization of dust removal efficiency is realized, the filter cartridges 551 close to the air inlet 57 are prevented from being seriously blocked, the dust removal efficiency is improved, the disposable replacement can be realized when the shifting filter cartridge assembly 55 needs to be replaced, and the maximization of the utilization of the shifting filter cartridge assembly 55 is realized.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction comprises a truck (1) and a carriage (7) arranged on the truck (1), wherein an air inlet pipe (8) is arranged in the middle of the front end of the carriage (7), a group of air outlet pipes (2) are arranged at the upper part of the rear end of the carriage (7), the variable-frequency dry-wet comprehensive closed dust removal vehicle is characterized in that one end of the carriage (7) is rotatably connected with a box door (11) through a hinge, a hydraulic cylinder (10) is rotatably connected between the carriage (7) and the box door (11), a filter cartridge dust remover (5) is embedded and arranged at the upper end of the carriage (7), an ash collecting bin mechanism (9) is arranged at the lower end of the filter cartridge dust remover (5), an ash cleaning mechanism (6) and a spraying assembly (4) are sequentially arranged at the upper end of the inner side of the filter cartridge dust remover (5) from front to back, a variable-frequency fan (3) is arranged at the inner side of each air outlet pipe (2), a concentration sensor (31) is arranged at the front side of the variable-frequency fan (3), the filter cartridge dust remover (5) comprises a dust hopper cover (51) and a dust hopper cover (54) which is fixedly arranged at the lower end (54) of the dust hopper cover (54), the upper end of square cover (51) is installed case apron (52), and is provided with the position change of different filter cartridge (551) and air intake (57) in the inboard of loudspeaker cover (54) of the lower extreme of square cover (51) and strain cartridge subassembly (55), the inboard of square cover (51) is provided with seal assembly (56) in the upper end of position change filter cartridge subassembly (55), seal assembly (56) include a plurality of rotatory apron (561), rotatory apron (561) are used for shutoff of air outlet (514) of square cover (51) or open.
2. The variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction according to claim 1, wherein the displacement filter cartridge assembly (55) comprises an annular conveyor belt (555) and a plurality of air outlet circular pipes (554) uniformly arranged on the outer side of the annular conveyor belt (555), a sealing ring (553) is arranged on the outer side of the upper end of each air outlet circular pipe (554), a filter cartridge (551) is fixedly connected to the lower end of each air outlet circular pipe (554), a third bearing seat (558) is arranged on the front side and the rear side of the upper end of each air outlet circular pipe (554), a first belt pulley set (556) is arranged on the lower end of each air outlet circular pipe (554), a displacement motor (557) is arranged on the front side of the upper end of each first belt pulley set (556), and an encoder (552) is arranged on the front side of each displacement motor (557).
3. The variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction according to claim 1, wherein the square cover (51) comprises a square cover body (511), a plurality of air outlet holes (514) and water inlet holes (516) are respectively formed in the inner side of the square cover body (511) from front to back, a plurality of air pipe holes (512) and water pipe holes (513) are respectively formed in one side of the square cover body (511) from front to back, a group of air outlet holes (515) are formed in the rear end of the square cover body (511), two groups of annular sliding grooves (517) are formed in the bottom end of the square cover body (511) below the air outlet holes (514), and a partition plate (518) is fixedly connected between the inner side of the square cover body (511) and the air outlet holes (516).
4. A variable frequency dry and wet integrated closed dust removal vehicle for tunnel construction according to claim 2, wherein each air outlet circular tube (554) corresponds to one air outlet hole (514), each air outlet circular tube (554) is slidingly connected to the inner side of the corresponding air outlet hole (514), and the third bearing seat (558) is mounted at the lower end of the square cover (51).
5. The variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction according to claim 1, wherein one side of the lower end of each rotary cover plate (561) is fixedly connected with a rotary shaft (564), a third belt pulley set (565) is installed between every two adjacent rotary shafts (564), a second belt pulley set (563) is installed at the lower end of one rotary shaft (564), a rotary motor (562) is installed at the front side of the lower end of the second belt pulley set (563), each rotary cover plate (561) is located at the upper end of a corresponding air outlet hole (514), the rotary motor (562) is installed at the inner side of the square cover body (511), and the second belt pulley set (563) and the third belt pulley set (565) are located at the bottom end of the square cover body (511).
6. The variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction according to claim 1, wherein the spray assembly (4) comprises a water tank (41), a water pump (46) is installed at the upper end of the water tank (41), a main water pipe (42) is connected to the output end of the water pump (46), a plurality of electromagnetic valves (43) are installed at the upper end of the main water pipe (42), branch water pipes (44) are fixedly connected to the output ends of the electromagnetic valves (43), a plurality of atomizing nozzles (45) are installed at the lower ends of the branch water pipes (44), the water tank (41) and the main water pipe (42) are installed at the outer side of a carriage (7), the branch water pipes (44) penetrate through the inner side of corresponding water pipe holes (513), and the atomizing nozzles (45) penetrate through the inner side of the water inlet holes (516).
7. The variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction according to claim 1, wherein the dust collection bin mechanism (9) comprises a dust collection bin (91) and two ball screws (95) positioned on the lower side of the front end and the rear end of the dust collection bin (91), one side of the upper end of the dust collection bin (91) is rotatably connected with an electric cylinder (98), the other side of the lower end of the dust collection bin (91) is rotatably connected with a connecting rod (92), the upper part of each ball screw (95) is in meshed connection with a nut pair (94), two bearings (93) are respectively arranged at the two ends of one ball screw (95), one end of the other ball screw (95) is provided with a second bearing seat (93), the other end of the other ball screw is provided with a second motor (96), and a second belt pulley set (97) is arranged between the two ball screws (95).
8. The variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction according to claim 7, wherein the lower ends of the electric cylinder (98) and the connecting rod (92) are rotationally connected with corresponding nut pairs (94), the second bearing seat (93) and the second motor (96) are mounted at the lower end of a carriage (7), and the upper end of the dust collection bin (91) is right opposite to the lower end of the dust discharge valve (53).
9. The variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction according to claim 1, wherein the dust removal mechanism (6) comprises an air compressor (61), an output end of the air compressor (61) is fixedly connected with a main air pipe (62) through a guide pipe, a plurality of pulse valves (63) are installed at the upper end of the main air pipe (62), one end of each pulse valve (63) is fixedly connected with a hose (67), one end of each hose (67) is connected with a bronchus (64), a plurality of pulse nozzles (65) are installed at the lower end of each bronchus (64), connecting rods (68) are connected between the plurality of bronchus (64) together, and lifting cylinders (66) are installed at the lower sides of the front end and the rear end of the connecting rods (68).
10. The variable-frequency dry and wet comprehensive closed dust removal vehicle for tunnel construction according to claim 9, wherein the main air pipe (62) and the air compressor (61) are both arranged on the outer side wall of the carriage (7), the hose (67) penetrates through the inner side of the corresponding air pipe hole (512), and the pulse nozzles (65) are in one-to-one correspondence with the filter cartridges (551).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310825544.0A CN116733522B (en) | 2023-07-06 | 2023-07-06 | Variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310825544.0A CN116733522B (en) | 2023-07-06 | 2023-07-06 | Variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction |
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| Publication Number | Publication Date |
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| CN116733522A CN116733522A (en) | 2023-09-12 |
| CN116733522B true CN116733522B (en) | 2026-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310825544.0A Active CN116733522B (en) | 2023-07-06 | 2023-07-06 | Variable-frequency dry-wet comprehensive closed dust removal vehicle for tunnel construction |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119900605B (en) * | 2025-04-02 | 2025-06-27 | 泰兴市华诚机电制造有限公司 | Tunnel pressurization guarantee cabin with high safety and use method |
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| CN202170805U (en) * | 2011-05-31 | 2012-03-21 | 金承官 | Portable automatic cleaning drying type dust collecting ventilating device for tunnel construction |
| CN206391803U (en) * | 2016-12-14 | 2017-08-11 | 浙江美通筑路机械股份有限公司 | Vehicle-mounted inertial dust collection and pulse jet compound action formula deduster |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101571090B1 (en) * | 2015-07-29 | 2015-11-23 | 김경영 | Movable dust collection apparatus |
| CN208465465U (en) * | 2018-05-02 | 2019-02-05 | 河北清大环保机械有限公司 | Filter cartridge dust remover |
| CN211900676U (en) * | 2020-03-05 | 2020-11-10 | 中铁十四局集团第一工程发展有限公司 | Novel tunnel dust removal vehicle |
| CN213853645U (en) * | 2020-11-18 | 2021-08-03 | 四川久远环保装备有限公司 | Filter equipment for dust disposal system |
| CN214862084U (en) * | 2021-06-07 | 2021-11-26 | 中交二公局东萌工程有限公司 | Tunnel movable dust removal vehicle |
| CN218924144U (en) * | 2022-11-07 | 2023-04-28 | 南京仟亿达新能源科技有限公司 | Filter cartridge type dust removing device |
| CN219101406U (en) * | 2022-12-22 | 2023-05-30 | 中铁二十局集团有限公司 | A special vehicle for dust collection and purification in tunnel construction |
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2023
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202170805U (en) * | 2011-05-31 | 2012-03-21 | 金承官 | Portable automatic cleaning drying type dust collecting ventilating device for tunnel construction |
| CN206391803U (en) * | 2016-12-14 | 2017-08-11 | 浙江美通筑路机械股份有限公司 | Vehicle-mounted inertial dust collection and pulse jet compound action formula deduster |
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| CN116733522A (en) | 2023-09-12 |
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