CN111441808A - Tunnel safety protection platform truck multipurpose rock face spraying system - Google Patents
Tunnel safety protection platform truck multipurpose rock face spraying system Download PDFInfo
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- CN111441808A CN111441808A CN202010408626.1A CN202010408626A CN111441808A CN 111441808 A CN111441808 A CN 111441808A CN 202010408626 A CN202010408626 A CN 202010408626A CN 111441808 A CN111441808 A CN 111441808A
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- protection
- spraying system
- mounting
- trolley
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- 238000005507 spraying Methods 0.000 title claims abstract description 71
- 239000011435 rock Substances 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 239000007921 spray Substances 0.000 claims abstract description 75
- 238000009434 installation Methods 0.000 claims abstract description 34
- 230000008859 change Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 abstract description 20
- 238000009412 basement excavation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000779 smoke Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 21
- 239000007864 aqueous solution Substances 0.000 description 16
- 230000008569 process Effects 0.000 description 16
- 238000010276 construction Methods 0.000 description 11
- 230000001681 protective effect Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000036541 health Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0056—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with individual advancing shifting devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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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)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to the technical field of tunnel excavation auxiliary equipment, in particular to a multipurpose rock face spraying system of a tunnel safety protection trolley, which is arranged on a protection trolley and can move along with the protection trolley in a tunnel, the protection trolley comprises a trolley framework capable of moving in the tunnel, the spraying system comprises an installation framework, the installation framework is arranged above the protection trolley and is fixedly connected with the protection trolley, a spraying pipe is arranged on the installation framework, the axial direction of the spraying pipe is vertical to the moving direction of the protection trolley, a plurality of second spray heads with nozzles facing the inner wall of the tunnel are communicated on the spraying pipe along the axial direction of the spraying pipe, one end of the spraying pipe is communicated with a water tank through a connecting pipe, a first water pump is arranged on the connecting pipe, the other end of the spraying pipe is sealed, the possibility of rock burst is reduced, and the safety of people is ensured, the effect of the smoke and dust inside the tunnel is reduced.
Description
Technical Field
The invention relates to the technical field of tunnel excavation auxiliary equipment, in particular to a multipurpose rock face spraying system of a tunnel safety protection trolley.
Background
In the tunnel excavation tunnelling construction at present, the condition of diseases such as rock mass burst, boulder drop, soil property tunnel hourglass, local soil stone drop can appear, and constructor need use tunnel safety protection platform truck to guarantee self safety this moment.
The traditional Chinese patent with publication number CN206233930U discloses a tunnel hydraulic protection trolley, which comprises a protection arch frame, sliding track beams, vertical jacking oil cylinders and a trolley main framework, wherein two groups of sliding track beams are symmetrically arranged above the top of the trolley main framework along the longitudinal direction of a tunnel, and the sliding track beams are connected with the trolley main framework through the vertical jacking oil cylinders; the protective arch frame comprises a plurality of arched steel frames which are arranged in parallel at intervals and have the same outline shape as the inner wall of the tunnel, walking wheels are installed at the bottoms of two ends of each arched steel frame, the walking wheels are installed in the sliding track beam to drive the arched steel frames to move and stretch longitudinally along the sliding track beam, and a protective net is laid outside the arched steel frames. The protection arch center is of a telescopic structure, and can form protection when longitudinally stretched and unfolded along the working surface of the trolley, so that drilling construction operation is performed.
The above prior art solutions have the following drawbacks: in the process of tunnel excavation, because the tunnel interior has great internal stress, the possibility of rock burst is very likely to occur in the process of tunnel excavation, and thus the life safety of people can be threatened.
Disclosure of Invention
The invention aims to provide a multipurpose rock surface spraying system of a tunnel safety protection trolley, which achieves the effects of reducing the possibility of rock burst, ensuring the safety of people and reducing smoke dust in a tunnel.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a tunnel safety protection platform truck multipurpose rock face spraying system, spraying system sets up on the protection platform truck and can be along with the protection platform truck removes inside the tunnel, the protection platform truck is including the platform truck skeleton that can remove inside the tunnel, spraying system is including the installation skeleton, the installation skeleton sets up in the top of protection platform truck and with protection platform truck fixed connection, be provided with the shower on the installation skeleton, the axis direction of shower is perpendicular with the moving direction of protection platform truck, the intercommunication has the second shower nozzle of a plurality of nozzles towards the tunnel inner wall on the shower along the axis direction of shower, the one end of shower has the water tank through the connecting pipe intercommunication, be provided with first water pump on the connecting pipe, the other end of shower is sealed.
By adopting the technical scheme, in the process of tunnel excavation, the first water pump is started, the first water pump can convey the aqueous solution in the water tank to the interior of the spray pipe, one end of the spray pipe is sealed, and the aqueous solution in the spray pipe can be sprayed to the outer side of the spray pipe through the second spray head; the water solution sprayed by the second spray head can soften hard surrounding rocks with a rock burst tendency and reduce the brittleness of the surrounding rocks, so that the internal stress in the tunnel can be reduced, the intensity of ground stress explosion is reduced, and the rock burst risk can be effectively reduced; the sprayed water solution part falls to form a water curtain, at the moment, a constructor stands on one side of the water curtain far away from a construction site, the water curtain can isolate the constructor from dust generated in the construction process, and if the dust spreads towards the direction close to the constructor, the dust falls on the ground under the action of the water curtain, so that the effect of guaranteeing the health of the constructor is achieved; and along with the tunnel in the process of digging, spraying system can remove in tunnel along with the protection platform truck together, has reached the effect that makes things convenient for people to use spraying system.
The present invention may further be configured in a preferred example such that two mounting frames are provided, and the two mounting frames are provided on the bogie frame along the moving direction of the protection bogie.
Through adopting above-mentioned technical scheme, the installation skeleton is provided with two altogether, so when spraying system used, people can stand between two installation skeletons, and two installation skeletons can provide the less enclosure space of a dust for people.
In a preferred example, the invention may be further configured such that a plurality of first nozzles with downward nozzles are uniformly arranged on the shower pipe along the axial direction of the shower pipe, and the first nozzles and the second nozzles are provided with control valves.
By adopting the technical scheme, after the control valve on the second spray head is opened, the water solution in the spray pipe can be sprayed on the inner wall of the tunnel through the second spray head, so that the stress of surrounding rocks in the tunnel can be relieved, and a smaller water curtain is formed; in addition, the water solution sprayed by the first spray head can wash dust generated in the construction process to the ground, so that the dust can be prevented from spreading.
The invention may further be configured in a preferred example that the mounting framework comprises first mounting rods with the same shape as the inner wall of the tunnel, the spray pipe is fixed on the side surfaces of the two first mounting rods, which are far away from each other, and a protection piece for protecting constructors is arranged between the two first mounting rods.
Through adopting above-mentioned technical scheme, the in-process of the inside construction in tunnel, people can stand in the position between two first installation poles, and the protection piece can protect constructor this moment.
The invention in a preferred example can be further configured that the protection device comprises a protection net, the protection net is arranged between two first mounting rods, a plurality of mounting pins are fixed on the two first mounting rods close to the side surface of the tunnel, and one side of the protection net close to the mounting pins is sleeved on the mounting pins.
By adopting the technical scheme, in the process of the construction inside the tunnel, some fixed and unstable rockfall possibly occur on the inner wall of the tunnel, and the rockfall can fall on the protective net, so that the protective net can play a role in protecting the life safety of constructors; and because the protection network is established on the mounting pin through the cover, accomplish the installation of self, when people need change the protection network, people make the protection network break away from the mounting pin and can pull down the protection network, and the in-process that the protection network used moreover, people can change the area that the protection network was laid out between two first installation poles according to the needs of oneself.
In a preferred example, the invention may be further configured that a second mounting rod having the same shape as the tunnel inner wall is disposed on one side of the first mounting rod close to the tunnel, and a spraying device for spraying the tunnel inner wall is disposed between the two second mounting rods.
By adopting the technical scheme, the second mounting rod is positioned at one side of the second mounting rod close to the tunnel, so that the spraying device can not be interfered by a protective net when spraying the inner wall of the tunnel; through set up spray set on second installation pole, make things convenient for the later stage to spout anchor work to the tunnel, can further reduce the dust moreover.
The invention may further be configured in a preferred example, the spraying device includes a moving pipe disposed between the two second mounting rods, one side of the moving pipe is communicated with a water spraying gun having a water spraying opening facing the inner wall of the tunnel, one end of the moving pipe is sealed, the other end of the moving pipe is communicated with the inside of the water tank, a second water pump is disposed between the water tank and the moving pipe, and the second mounting rod is provided with a driving component for driving the moving pipe to move along the extending direction of the second mounting rod.
By adopting the technical scheme, in the using process of the spraying device, the second water pump can convey the aqueous solution in the water tank to the inside of the moving pipe, the aqueous solution in the moving pipe can enter the water spraying gun, and the water spraying port of the water spraying gun faces the inner wall of the tunnel, so that the aqueous solution in the water spraying gun can be sprayed on the inner wall of the tunnel, surrounding rocks on the inner wall of the tunnel can be further softened, and the rock burst risk is further reduced; and in the spraying process, the driving assembly can drive the moving pipe to move on the second mounting rod along the extending direction of the second mounting rod, so that the action area of the spraying device can be enlarged.
In a preferred example of the present invention, the driving assembly may further include a C-shaped frame fixedly connected to the moving pipe, the C-shaped frame has two opposite side surfaces rotatably connected to the rotating gears, the rotating gears are embedded into the two opposite side surfaces of the second mounting rod, a sliding slot for the rotating gears to move is formed on the side surface of the second mounting rod along the extending direction of the second mounting rod, a tooth slot engaged with the rotating gears is formed on the lower surface of the sliding slot, and a rotating member for driving the rotating gears to rotate is disposed on the C-shaped frame.
Through adopting above-mentioned technical scheme, when need use drive assembly to drive to remove the pipe and remove on the second installation pole, open and rotate the piece, rotate a piece and drive the running gear and rotate on C type frame, running gear meshes with the inside tooth's socket of spout mutually, so running gear can drive C type frame and remove the pipe and remove on the second installation pole.
In a preferred example, the present invention may be further configured such that the control valve of the first spray head and the control valve of the second spray head are simultaneously coupled with a control member, the control member is coupled with a trigger, and one changes the on-off state of the control valve of the first spray head and the on-off state of the control valve of the second spray head by changing the state of the trigger.
Through adopting above-mentioned technical scheme, when people need first shower nozzle water spray or second shower nozzle water spray or first shower nozzle and second shower nozzle to spray water simultaneously, people can realize through the state that changes trigger.
The invention may in a preferred example be further configured such that the mounting pin is provided with a mounting nut for cooperation therewith.
Through adopting above-mentioned technical scheme, people can screw up mounting nut on the mounting pin after people establish the protection network cover on the mounting pin, and mounting nut can avoid the protection network to break away from the mounting pin in the in-process of using.
In summary, the present invention has the following technical effects:
1. by arranging the spraying system, a large amount of dust can be generated by constructors in the process of construction inside the tunnel, people can start the spraying system at the moment, the spraying system can soften surrounding rocks inside the tunnel, the internal stress inside the tunnel is reduced, the possibility of rock burst is reduced, people can stand on one side of the spraying system far away from a construction site, and the spraying system can separate people from the dust, so that the effect of guaranteeing the life and health of the constructors is achieved;
2. by arranging the protective net, people can stand below the protective net in the process of constructing the interior of the tunnel, the protective net can prevent falling rocks from falling down to hit constructors, and the effect of guaranteeing the life safety of the constructors is achieved;
3. through having set up spray set, spray set can spray tunnel inner wall by a large scale, so not only can further reduce stretching of dust, make things convenient for the later stage to spout the anchor to tunnel inner wall moreover.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a control flow chart of the present invention for controlling the control valve.
In the figure, 1, a trolley framework; 2. a spray system; 21. installing a framework; 211. a first mounting bar; 212. a second mounting bar; 213. a connecting rod; 214. a chute; 22. a shower pipe; 23. a first nozzle; 24. a second nozzle; 25. a water supply assembly; 251. a connecting pipe; 252. a water tank; 253. a first water pump; 26. a control valve; 27. a control member; 28. a trigger; 3. a guard; 31. a protective net; 32. mounting a pin; 33. a mounting ring; 34. mounting a nut; 4. a spraying device; 41. moving the tube; 42. a water spray gun; 43. a second water pump; 44. a water pipe; 45. a drive assembly; 451. a C-shaped frame; 452. a rotating gear; 453. and a rotating member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the invention provides a multipurpose rock face spraying system of a tunnel safety protection trolley, wherein the protection trolley comprises a trolley framework 1, and a spraying system 2 is arranged on the trolley framework 1. In-process that the protection platform truck used, along with the excavation in tunnel, platform truck skeleton 1 can drive protection platform truck and spraying system 2 and remove inside the tunnel, spraying system 2 can soften the stereoplasm country rock that has the rock burst trend, reduce the fragility of surrounding rock on every side, just so can reduce the inside internal stress in tunnel, the intensity of ground stress outburst has been reduced, just so can effectively reduce the rock burst risk, and the aqueous solution that spraying system 2 sprayed can keep apart constructor and the dust that produces among the excavation process, and then ensure constructor's health.
Referring to fig. 2, spraying system 2 includes installation skeleton 21, shower 22, first shower nozzle 23, second shower nozzle 24 and water supply assembly 25, installation skeleton 21 is fixed on platform truck skeleton 1, shower 22 and water supply assembly 25 are all fixed on installation skeleton 21, shower 22's one end is sealed, the other end and the inside intercommunication of water supply assembly 25, first shower nozzle 23 and second shower nozzle 24 are provided with a plurality ofly altogether, a plurality of first shower nozzles 23 and second shower nozzle 24 evenly set up on shower 22 and with the inside intercommunication of shower 22, the hole for water spraying of first shower nozzle 23 is down, the hole for water spraying on the second shower nozzle 24 is up. When spray system 2 needs to be used, water supply assembly 25 is opened, water supply assembly 25 inputs aqueous solution to the inside of shower 22, the inside aqueous solution of shower 22 can spray the tunnel inside through first shower nozzle 23 and second shower nozzle 24, the water solution that second shower nozzle 24 sprayed out can soften the country rock, and then reduce the inside internal stress in tunnel, reduce the possibility that the rock burst appears, first shower nozzle 23 and second shower nozzle 24 spray out and can make people keep apart with the dust that produces in the work progress, and can wash some dust subaerial.
Referring back to fig. 1, the mounting framework 21 includes two first mounting rods 211, two second mounting rods 212 and two connecting rods 213, the shapes of the two first mounting rods 211 and the two second mounting rods 212 are the same as the shape of the inner wall of the tunnel, the second mounting rod 212 is located on one side of the first mounting rod 211 close to the tunnel, the first mounting rod 211 is fixed on the framework 1 of the trolley, and the second mounting rod 212 is fixed on the first mounting rod 211 through the connecting rod 213; the number of the shower pipes 22 is two, the two shower pipes 22 are fixed to the side surfaces of the two first mounting bars 211, which are away from each other, respectively, and the sectional shape of the shower pipe 22 is the same as that of the first mounting bar 211. After one turns on the sprinkler system 2, one need only stand in a position between the two first mounting bars 211.
Referring to fig. 1, the water supply assembly 25 includes a connection pipe 251, a water tank 252, and a first water pump 253, the water tank 252 is fixed to the bogie frame 1, the connection pipe 251 is disposed between the water tank 252 and the shower 22 and communicates the water tank 252 with the shower 22, and the first water pump 253 is disposed on the connection pipe 251. When water needs to be supplied to the interior of the shower pipe 22, the first water pump 253 on the connection pipe 251 is turned on, and the first water pump 253 delivers the aqueous solution in the interior of the water tank 252 to the interior of the shower pipe 22 through the connection pipe 251.
Referring to fig. 3, in order to facilitate the control of the water spraying direction of the spraying system 2, a control valve 26 is disposed on each of the first and second spraying heads 23 and 24, a control member 27 coupled to the control valve 26 is disposed on the carriage frame 1, and the control member 27 is coupled to the first water pump 253, in the present invention, the control member 27 is preferably P L C, and a trigger member 28 coupled to the control member 27 is further disposed on the carriage frame 1, in the present invention, the trigger member 28 is preferably a single-pole three-throw switch.
In an initial state, the single-pole three-throw switch is turned off, the control valves 26 on the first spray head 23 and the second spray head 24 are in a closed state, no signal is input into the control part 27, the control part 27 cannot start the water pump, and no aqueous solution is sprayed out from the first spray head 23 and the second spray head 24; when the single-pole triple-throw switch is switched on at the No. 1 gear, the trigger 28 inputs a first trigger signal to the control 27, after the control 27 receives the first trigger signal, the control 27 inputs a first control signal to the first water pump 253 and the control valve 26 on the first spray head 23, the first water pump 253 starts to work, the control valve 26 on the first spray head 23 is opened, and at the moment, the first spray head 23 sprays water downwards; when the single-pole triple-throw switch is switched on at the No. 2 gear, the trigger 28 inputs a second trigger signal to the control 27, after the control 27 receives the second trigger signal, the second control signal is input into the first water pump 253 and the control valve 26 on the second spray head 24, the first water pump 253 starts to work, the control valve 26 on the second spray head 24 is opened, and at the moment, the second spray head 24 sprays water upwards; when the single-pole three-throw switch is closed at the 3 rd gear, the trigger 28 inputs a third trigger signal to the control 27, the control 27 inputs a third control signal to the first water pump 253, the second spray head 24 and the control valve 26 on the first spray head 23 after receiving the third trigger signal, the first water pump 253 starts to work, the control valve 26 on the first spray head 23 and the second spray head 24 is opened, at this time, the second spray head 24 sprays water upwards, the first spray head 23 sprays water downwards, when the spraying system 2 is controlled by using the single-pole three-throw switch, the state of the single-pole three-throw switch is switched every time, the single-pole three-throw switch needs to be switched off, and people can change the opening degree of the control valve 26 according to the amount of smoke and dust, further change the water pressure or water amount inside the first spray head 23 or the second spray head 24, further realize the adjustment of the water output amount, and realize the water spraying of the first spray head 24 at different positions or the second spray head 23 at different positions, thus, the spraying system is more convenient to use.
Referring to fig. 1, in the process of constructing inside a tunnel, people need to keep away dust between two first mounting rods 211, and in order to prevent people from being injured by falling rocks falling from the inner wall of the tunnel, a protection member 3 is arranged between the two first mounting rods 211.
Referring to fig. 2, the guard 3 includes a protection net 31, mounting pins 32, mounting rings 33, and mounting nuts 34, the protection net 31 is disposed between first mounting bars 211 and second mounting bars 212, the cross-sectional shape of the protection net 31 is the same as that of the first mounting bars 211, the mounting pins 32 are vertically disposed on the side surfaces of the first mounting bars 211 close to the second mounting bars 212 along the extending direction of the first mounting bars 211, the mounting rings 33 are disposed on both sides of the protection net 31 close to the two first mounting bars 211, the mounting rings 33 are sleeved on the mounting pins 32, and the mounting nuts 34 are used in cooperation with the mounting pins 32.
Referring to fig. 1, after the tunnel excavation is completed, in order to facilitate people to spray anchors on the inner wall of the tunnel, a spraying device 4 for spraying a large area of water on the inner wall of the tunnel is disposed between the two second mounting rods 212.
Referring to fig. 1 and 2, the shower apparatus 4 includes a moving pipe 41, a water spray gun 42, a second water pump 43, a water pipe 44, and a driving assembly 45, the moving pipe 41 is horizontally disposed between two second mounting bars 212, the axial direction of the movable pipe 41 is perpendicular to the plane of the first mounting rod 211 or the second mounting rod 212, one end of the movable pipe 41 is sealed, the other end is communicated with the inside of the water tank 252 through the water pipe 44, the second water pump 43 is arranged on the water pipe 44, a plurality of water spray guns 42 are arranged on one side of the movable pipe 41 along the axial direction of the movable pipe 41, the plurality of water spray guns 42 are all communicated with the inside of the movable pipe 41, the water spray ports of the water spray guns 42 are positioned at one ends of the water spray guns 42 close to the tunnel, the driving assembly 45 is arranged on the second mounting rod 212 and can drive the movable pipe 41 and the water spray guns 42 to move on the second mounting rod 212 along the extending direction of the second mounting rod 212.
When the spraying device 4 needs to be used, the second water pump 43 and the driving assembly 45 are started, the second water pump 43 can convey the water solution in the water tank 252 to the interior of the moving pipe 41 through the water pipe 44, and the water solution in the moving pipe 41 can enter the water spraying gun 42 and is finally sprayed on the inner wall of the tunnel; after the driving assembly 45 is turned on, the driving assembly 45 drives the movable tube 41 to move on the second mounting rod 212 along the extending direction of the second mounting rod 212, so that the movable tube 41 can spray the area swept by itself.
Referring to fig. 2, the driving assembly 45 includes a C-shaped frame 451, a rotating gear 452, and rotating members 453, the C-shaped frame 451 is fixed at two ends of the moving pipe 41, one side of an opening of the C-shaped frame 451 faces the second mounting rod 212, the rotating gear 452 is rotatably disposed on two opposite sides inside the C-shaped frame 451, an axis of the rotating gear 452 is horizontal, the rotating gear 452 is embedded inside two sides of the second mounting rod 212, a sliding slot 214 matched with the rotating gear 452 is formed in the second mounting rod 212 along an extending direction of the second mounting rod 212, a tooth slot engaged with the rotating gear 452 is formed at a bottom of the sliding slot 214, the two rotating members 453 are disposed, and the two rotating members 453 are respectively disposed on the two C-shaped frames 451 and can drive one of the rotating gears 452 to rotate on the C-shaped frame 451. After the driving assembly 45 is turned on, the rotating member 453 drives the rotating gear 452 to rotate on the C-shaped frame 451, and the rotating gear 452 is engaged with the tooth slot inside the sliding slot 214, so that the rotating gear 452 drives the C-shaped frame 451 and the moving tube 41 to move on the second mounting rod 212.
In the present invention, the rotation member 453 is preferably a rotation motor, and other rotation members 453 having the same effect are applicable.
In summary, the using process of the invention is as follows: in the process of tunnel excavation, when a protection trolley needs to be used, people firstly install the protection net 31 on the installation pin 32 and tighten the installation nut 34, and in the process of construction, the protection net 31 can prevent constructors from being injured by falling rocks; as the depth of the tunnel is increased, people can move the protection trolley in the tunnel, and the protection trolley can drive the spraying device 4 and the spraying system 2 to move together in the tunnel; people are at the in-process of construction, people can stir trigger 28, trigger 28 can make first water pump 253 switch on, and carry shower 22 inside through connecting pipe 251 with the inside aqueous solution of water tank 252, the inside aqueous solution of shower 22 can be sprayed the outside of shower 22 through first shower nozzle 23 or second shower nozzle 24, can be with people with the dust separation that produces in the work progress like this, and the aqueous solution that second shower nozzle 24 sprinkled can soften the country rock, reduce the possibility that the rock burst appears, and the aqueous solution that sprinkles can also wash the dust to subaerial.
Along with the tunnel degree of depth is constantly increaseed, people can open second water pump 43 and rotate piece 453, and inside second water pump 43 can carry the inside aqueous solution of water tank 252 to remove pipe 41, and the inside aqueous solution of removing pipe 41 can spray the inner wall in tunnel through water spray gun 42 on, so not only can further reduce the dust, can make the tunnel inner wall keep moist in addition, makes things convenient for the later stage to spout the anchor to the tunnel.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a tunnel safety protection platform truck multipurpose rock face spraying system, spraying system (2) set up on the protection platform truck and can be along with the protection platform truck inside the tunnel removes, and the protection platform truck is including the platform truck skeleton (1) that can remove inside the tunnel, its characterized in that: spraying system (2) is including installation skeleton (21), installation skeleton (21) set up in the top of protection platform truck and with protection platform truck fixed connection, be provided with shower (22) on installation skeleton (21), the axis direction of shower (22) is perpendicular with the moving direction of protection platform truck, the intercommunication has second shower nozzle (24) of a plurality of nozzles orientation tunnel inner wall on shower (22) along the axis direction of shower (22), the one end of shower (22) is passed through connecting pipe (251) intercommunication and is had water tank (252), be provided with first water pump (253) on connecting pipe (251), the other end of shower (22) is sealed.
2. The multipurpose rock face spraying system of the tunnel safety protection trolley as claimed in claim 1, wherein: the two installation frameworks (21) are arranged on the trolley framework (1) along the moving direction of the protection trolley.
3. The multipurpose rock face spraying system of the tunnel safety protection trolley as claimed in claim 2, wherein: a plurality of first spray heads (23) with downward nozzles are uniformly arranged on the spray pipe (22) along the axial direction of the spray pipe (22), and control valves (26) are arranged on the first spray heads (23) and the second spray heads (24).
4. The multipurpose rock face spraying system of the tunnel safety protection trolley as claimed in claim 2, wherein: the installation framework (21) comprises first installation rods (211) with the same shapes as those of the inner walls of the tunnel, the spray pipe (22) is fixed on the side faces, far away from each other, of the two first installation rods (211), and a protection piece (3) for protecting constructors is arranged between the two first installation rods (211).
5. The multipurpose rock face spraying system of the tunnel safety protection trolley as claimed in claim 4, wherein: the protection piece (3) comprises a protection net (31), the protection net (31) is arranged between two first mounting rods (211), a plurality of mounting pins (32) are fixed on the two first mounting rods (211) close to the side face of the tunnel, and one side, close to the mounting pins (32), of the protection net (31) is sleeved on the mounting pins (32).
6. The multipurpose rock face spraying system of the tunnel safety protection trolley as claimed in claim 4, wherein: one side of the first mounting rod (211) close to the tunnel is provided with a second mounting rod (212) with the same shape as the inner wall of the tunnel, and a spraying device (4) used for spraying the inner wall of the tunnel is arranged between the two second mounting rods (212).
7. The multipurpose rock face spraying system of the tunnel safety protection trolley as claimed in claim 6, wherein: spray set (4) are including setting up removal pipe (41) between two second installation poles (212), one side intercommunication of removal pipe (41) has water jet (42) towards the tunnel inner wall, the one end of removal pipe (41) is sealed, the other end and the inside intercommunication of water tank (252), be provided with second water pump (43) between water tank (252) and removal pipe (41), be provided with on second installation pole (212) and drive assembly (45) that drive removal pipe (41) removed along the extending direction of second installation pole (212).
8. The multipurpose rock face spray system of claim 7 for tunnel safety protection trolley, characterized in that: drive assembly (45) include with removal pipe (41) fixed connection's C type frame (451), it is connected with rotating gear (452) to rotate on two inside relative sides of C type frame (451), inside rotating gear (452) imbed two sides that second installation pole (212) carried on the back mutually, offer spout (214) that supply rotating gear (452) to remove on the side of second installation pole (212) along the extending direction of second installation pole (212), the tooth's socket that meshes with rotating gear (452) is seted up to the lower surface of spout (214), be provided with on C type frame (451) and drive rotating gear (452) pivoted rotation piece (453).
9. The multipurpose rock face spraying system of the tunnel safety protection trolley as claimed in claim 3, wherein: a control element (27) is simultaneously coupled with the control valve (26) on the first spray head (23) and the control valve (26) on the second spray head (24), a trigger element (28) is coupled with the control element (27), and people change the opening and closing states of the control valve (26) on the first spray head (23) and the control valve (26) on the second spray head (24) by changing the state of the trigger element (28).
10. The multipurpose rock face spraying system of the tunnel safety protection trolley as claimed in claim 5, wherein: the mounting pin (32) is provided with a mounting nut (34) matched with the mounting pin for use.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010408626.1A CN111441808A (en) | 2020-05-14 | 2020-05-14 | Tunnel safety protection platform truck multipurpose rock face spraying system |
CN202011408817.4A CN112502760A (en) | 2020-01-16 | 2020-12-03 | Tunnel safety protection platform truck multipurpose rock face spraying system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010408626.1A CN111441808A (en) | 2020-05-14 | 2020-05-14 | Tunnel safety protection platform truck multipurpose rock face spraying system |
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Publication Number | Publication Date |
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CN111441808A true CN111441808A (en) | 2020-07-24 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202010408626.1A Withdrawn CN111441808A (en) | 2020-01-16 | 2020-05-14 | Tunnel safety protection platform truck multipurpose rock face spraying system |
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CN (1) | CN111441808A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113719296A (en) * | 2021-08-16 | 2021-11-30 | 北京市市政一建设工程有限责任公司 | Vibration reduction drilling and blasting construction process |
CN117780423A (en) * | 2024-02-26 | 2024-03-29 | 山西路桥第六工程有限公司 | Arch frame type tunnel dust removing device |
-
2020
- 2020-05-14 CN CN202010408626.1A patent/CN111441808A/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113719296A (en) * | 2021-08-16 | 2021-11-30 | 北京市市政一建设工程有限责任公司 | Vibration reduction drilling and blasting construction process |
CN117780423A (en) * | 2024-02-26 | 2024-03-29 | 山西路桥第六工程有限公司 | Arch frame type tunnel dust removing device |
CN117780423B (en) * | 2024-02-26 | 2024-05-07 | 山西路桥第六工程有限公司 | Arch frame type tunnel dust removing device |
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Application publication date: 20200724 |