CN110777708B - Cleaning method of tunnel cleaning machine - Google Patents
Cleaning method of tunnel cleaning machine Download PDFInfo
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- CN110777708B CN110777708B CN201911108313.8A CN201911108313A CN110777708B CN 110777708 B CN110777708 B CN 110777708B CN 201911108313 A CN201911108313 A CN 201911108313A CN 110777708 B CN110777708 B CN 110777708B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims abstract description 20
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000011084 recovery Methods 0.000 claims abstract description 58
- 230000006835 compression Effects 0.000 claims abstract description 33
- 238000007906 compression Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 26
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 14
- 235000011089 carbon dioxide Nutrition 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims description 30
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 206010039203 Road traffic accident Diseases 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 description 14
- 238000000605 extraction Methods 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000013043 chemical agent Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/005—Mobile installations, particularly for upkeeping in situ road or railway furniture, for instance road barricades, traffic signs; Mobile installations particularly for upkeeping tunnel walls
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
- E01H1/101—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
- E01H1/101—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers
- E01H1/103—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers in which the soiled loosening or washing liquid is removed, e.g. by suction
Abstract
The invention provides a cleaning method of a tunnel cleaning machine, wherein a cleaning vehicle comprises a vehicle frame, a cleaning mechanism, a recovery device and a moving device, the cleaning mechanism comprises a cleaning device, an air compression mechanism and a liquid carbon dioxide storage tank, and the cleaning device is respectively connected with the recovery device, the air compression mechanism and the liquid carbon dioxide storage tank; according to the invention, the first wheel of the cleaning machine is arranged on the road surface and the second wheel is arranged on the shoulder of the road by adjusting the height of the first wheel, so that the road occupation is reduced, the risk of traffic accidents is reduced, the carbon dioxide formed by gasifying the dirt and the dry ice after the tunnel is cleaned is immediately recovered by the negative pressure principle, the secondary operation is reduced, the working cost is reduced, the tunnel cleaning and the absorption and recovery of the substances are carried out simultaneously, the working efficiency is high, and the working cost is reduced.
Description
Technical Field
The invention relates to the field of tunnel cleaning, in particular to a cleaning method of a tunnel cleaning machine.
Background
Normally, the cleaning of the tunnel can temporarily close the passage of a single hole, so that the passage pressure of another hole is increased, and the passage efficiency of the tunnel is seriously influenced. At present, some domestic long and large tunnels are regularly cleaned, and the main cleaning method comprises the following steps: manual cleaning, rolling brush chemical cleaning, high pressure water jet cleaning, and the like. The manual cleaning method is to clean tunnel civil engineering structures, electromechanical equipment, decorations and the like by cleaning personnel with chemical agents. The cleaning method has the advantages of high labor intensity, low cleaning efficiency, poor cleaning quality and high environmental pollution, and chemical agents have great harm to the health of cleaning personnel. The rolling brush type cleaning method mainly uses a machine to replace manpower and adopts chemical agents to clean the tunnel. The method effectively improves the cleaning efficiency, but has poor cleaning quality due to the existence of cleaning dead angles, and the pollution to the environment is caused by the cleaning of the sewage waste water by the chemical cleaning agent. The high-pressure water jet cleaning technique is to pressurize water to several tens to thousands of atmospheres by a high-pressure water generating device and then convert the water into a high-speed fine water jet by a jetting device having a fine pore size. The speed of the water jet is generally more than one Mach number, and the high-energy and high-speed water flow positively or tangentially impacts the surface of an object to complete the cleaning and maintenance work of the tunnel. However, the water jet has large energy and is easy to damage the cleaning object in the cleaning process. Water is used as a medium for cleaning, the humidity of the tunnel is increased, and great harm is caused to electromechanical equipment.
The tunnel dry ice cleaning machine is disclosed in the patent document with the Chinese application number of 201210357293.X and the publication number of 2012.12.19, and comprises an engineering truck, an air compressor, a liquid carbon dioxide storage tank, a cleaning nozzle machine bogie, a cleaning control display, a control platform and a dry ice cleaning device, wherein the liquid carbon dioxide storage tank, the cleaning nozzle machine bogie, the cleaning control display, the control platform and the dry ice cleaning device are arranged on the engineering truck; the cleaning control display is arranged on the control platform and used for displaying the state parameters of the whole equipment; a control system is packaged in the control platform, and the whole equipment is controlled by the control system; the dry ice cleaning device comprises a dry ice generating pipe, a compressed air pipe and a cleaning nozzle pipe.
However, the engineering vehicle of the cleaning machine needs to move to the right in the tunnel, so that the distance between the nozzle and the surface of the tunnel is far during cleaning, and careful cleaning cannot be met; the control system adjusts the angle of the steering frame of the nozzle washing machine to keep the cleaning distance between the nozzles on the steering frame of the nozzle washing machine and the surface of the tunnel consistent, the adjustable range of the adjusting mode is small, the transverse distance between the nozzles and the surface of the tunnel can be adjusted only, the longitudinal height of the nozzles on the cleaning machine cannot be adjusted, and therefore the surface of the tunnel at a high position cannot be effectively cleaned, and the cleaning effect is poor; then, no dirt recovery device is arranged on the cleaning machine, and the cleaned fallen solid dirt and carbon dioxide generated by dry ice gasification cannot be subjected to dirt recovery, so that the environmental pollution is caused.
Disclosure of Invention
The invention provides a cleaning method of a tunnel cleaning machine, which has high cleaning efficiency and prevents traffic accidents caused by road occupation during cleaning.
In order to achieve the purpose, the technical scheme of the invention is as follows: a cleaning method of a tunnel cleaning machine,
the tunnel cleaning machine comprises a frame, a cleaning mechanism, a recovery device and a moving device, wherein the cleaning mechanism comprises a cleaning device, an air compression mechanism and a liquid carbon dioxide storage tank, the cleaning device is respectively connected with the recovery device, the air compression mechanism and the liquid carbon dioxide storage tank,
the cleaning device comprises a circulating piece, a cleaning moving device, a spray head and a connecting piece, wherein the spray head is positioned at one end of the circulating piece, the connecting piece is positioned at the other end of the circulating piece, the cleaning moving device is connected with the connecting piece, the circulating piece comprises a first channel and a second channel, the second channel is arranged in the first channel, and the first channel is not communicated with the second channel;
the spray head comprises a spray part communicated with the first channel and a recovery part communicated with the second channel;
the air compression mechanism comprises a compression device, an air storage bottle and a first battery valve, one end of the air storage bottle is connected with the compression device through a pipeline, the air storage bottle is connected with the first battery valve, and the first battery valve is connected with the cleaning device through a pipeline; a second battery valve is arranged on the liquid carbon dioxide storage tank;
the moving device comprises a first wheel device and a second wheel device, the first wheel device is arranged on one side of the frame, and the second wheel device is arranged on the other side of the frame; the first wheel device comprises a first wheel set and a height adjusting device; the first wheel set comprises a first wheel and a wheel bearing, the first wheel is connected with the wheel bearing, a bearing connecting piece extends outwards from the wheel bearing, the first wheel is connected with the height adjusting device through the bearing connecting piece, and a space is reserved between the first wheel and the bottom of the frame; the second wheel device comprises a second wheel set and a second wheel set connection part, and the second wheel set connection part is connected with the second wheel set; the second wheel group comprises a second wheel and a wheel frame;
the height adjusting device comprises a height adjusting mounting bracket, a height adjusting assembly and a height adjusting drive; the height adjusting assembly and the height adjusting drive are arranged on the height adjusting mounting bracket, and the height adjusting drive is connected with the height adjusting assembly;
when the tunnel cleaning machine is used for cleaning, the method comprises the following steps:
a) adjusting the height of a first wheel according to the height control of the shoulder of the tunnel, so that the first wheel is positioned on the road surface and a second wheel is positioned on the shoulder of the tunnel; b) when the first wheel is adjusted to a certain height, performing the step b);
b) controlling the air compression mechanism to start, and performing the step c) when the pressure of the air compression mechanism reaches the working requirement;
c) controlling the recovery device to start, and opening the first battery valve and the second battery valve; step d) is carried out after the gas is mixed and flowed through at the spray head;
d) controlling the spray head to clean the wall of the tunnel and controlling the recovery device to absorb and recover substances; step e) is carried out after the tunnel wall is cleaned;
e) controlling the first battery valve, the second battery valve and the air compression device to close; after the first battery valve, the second battery valve and the air compression device are closed and the recovery device finishes treating the recovered substances, the step f is carried out
f) Controlling the recovery device to be closed and the spray head to be restored to the initial state, and performing the step g);
g) adjusting the height of the first wheel to make the first wheel and the second wheel at the same horizontal height.
Above setting, earlier control recovery unit start-up then control the shower nozzle start-up and wash when wasing to can realize retrieving and wash going on simultaneously, can improve the cleaning efficiency, waste gas and waste matter after will wasing are retrieved simultaneously, can improve clean effect. Through adjustment first wheel height, make the first wheel of cleaning machine on the road surface, the second wheel is on the curb, reduces and occupies the road, reduces the risk that takes place the traffic accident. And secondary operation is reduced for absorbing substances by a negative pressure principle, so that the working cost is reduced.
Further, the cleaning of the tunnel walls and the absorption of the recovered substances in step d) are carried out simultaneously. Therefore, the working efficiency is high, and the operation cost is reduced.
Further, the recycling materials comprise dirt fallen off after the tunnel wall is cleaned and gaseous carbon dioxide formed by gasifying dry ice. Thus, the emission of carbon dioxide is reduced, and environmental pollution is avoided.
Further, the step a) specifically comprises: the height adjustment drive motor drives the height adjustment assembly to move upwards on the height adjustment support, so that the first wheel is adjusted to a certain height.
Drawings
FIG. 1 is a schematic perspective view of a tunnel washer incorporating the present invention;
FIG. 2 is another perspective view of a tunnel washer incorporating the present invention;
FIG. 3 is a schematic perspective view of a cleaning apparatus using the tunnel washer of the present invention;
FIG. 4 is an exploded view of a cleaning apparatus for use with the tunnel washer of the present invention;
FIG. 5 is a schematic perspective view of a spray head, a connector and a jet flow connection for use with the tunnel washer of the present invention;
FIG. 6 is a schematic perspective view of a carriage and a moving device of a tunnel washer using the present invention;
FIG. 7 is an exploded view of a first wheel assembly for use with the tunnel washer of the present invention;
FIG. 8 is an exploded view of a second wheel unit utilizing the tunnel washer of the present invention;
FIG. 9 is an enlarged view of a in FIG. 6;
FIG. 10 is an enlarged view of b in FIG. 2;
FIG. 11 is a fragmentary view of a recovery unit using the tunnel washer of the present invention;
FIG. 12 is a schematic perspective view of an air compressor mechanism for use with the tunnel washer of the present invention;
FIG. 13 is a schematic cross-sectional view of the connection of the spray head and the flow-through member of a tunnel washer using the present invention;
FIG. 14 is a flow chart of a cleaning method of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 13, a tunnel washer for tunnel washing using the present invention,
comprises a frame 4, a cleaning mechanism, a recovery device 3, a moving device 2 and a controller (not shown in the figure); the cleaning mechanism comprises a cleaning device 1, an air compression mechanism 5 and a liquid carbon dioxide storage tank 6, wherein the cleaning device 1 is respectively connected with the recovery device 3, the air compression mechanism 5 and the liquid carbon dioxide storage tank 6; the controller comprises a battery and a control chip.
The cleaning device 1 comprises a circulation piece 11, a cleaning moving device 12, a spray head 13 and a connecting piece 14, wherein the spray head 13 is positioned at one end of the circulation piece 11, the connecting piece 14 is positioned at the other end of the circulation piece 11, the cleaning moving device 12 is connected with the connecting piece 14, the circulation piece 11 comprises a first channel and a second channel, the second channel is arranged in the first channel, and the first channel is not communicated with the second channel;
the spray head 13 includes a spray part 131 communicating with the first passage, a recovery part 132 communicating with the second passage, and recovery through holes 133, the recovery through holes 133 are uniformly distributed on the spray head 13, the recovery through holes 133 communicate with the recovery part 132, and in the present embodiment, four recovery through holes 133 are provided. Thus, the recovery rate and the recovery range can be increased, the injection part 131 comprises four injection ports which are arranged in a straight line, in the embodiment, the spray head 13 is connected with one end of the connecting piece 14 through the connecting seat 130, the connecting seat 130 is provided with an injection part fixing plate 1301, the injection part is fixed on the injection part fixing plate 1301, and the connecting seat is provided with a channel for communicating the recovery part 132 with the second channel.
The connecting member 14 includes a first through hole 141, a second through hole 142, and a third through hole 143, the first through hole 141 and the second through hole 142 communicating with the first passage, and the third through hole 143 communicating with the second passage;
the first through hole 141 and the second through hole 142 are symmetrically disposed about the third through hole 143; the air compression mechanism 5 is connected with the first through hole 141 through a first pipeline, and a second battery valve (not shown in the figure) is arranged on the liquid carbon dioxide storage tank 6; the second battery valve is connected with the second through hole 142 through a second pipe; the recovery device 3 is connected to the third through hole 143 through a recovery pipe. In this embodiment, the first conduit, the second conduit and the recovery conduit are metal hoses. The first conduit, the second conduit and the recovery conduit are not shown in the figure.
The first channel and the second channel which are arranged through the circulating piece are communicated with the first channel through the spraying part, the first through hole and the second through hole of the connecting piece are communicated with the first channel, the air compression mechanism is connected with the first through hole through a first pipeline, the liquid carbon dioxide storage tank is connected with the second through hole through a second pipeline, so that air and carbon dioxide are mixed in the first channel, and the mixed substances are sprayed out through the spraying part to clean the wall of the tunnel; the recycling device is communicated with the second channel through a recycling part, a third through hole of the connecting piece is communicated with the second channel, and the recycling device is connected with the third through hole through a recycling pipeline; solid dirt falling from the cleaned wall and carbon dioxide generated by the gasification of the dry ice are absorbed by a recovery device, so that the emission of the carbon dioxide is reduced, and the environment pollution is avoided; the second channel is arranged in the first channel, and the first channel is not communicated with the second channel; first passageway and second passageway are mutually independent, can not influence each other between two pipelines of during operation, wash the tunnel wall like this and absorb the operation ability synchronization of solid-state filth, carbon dioxide that drop of wall after wasing, work efficiency can the limited volume that reduces the washing car.
The cleaning moving device 12 comprises a slide rail rack 121, a transverse moving mechanism, a longitudinal motor 123, a spray head steering motor 124 and a screw rod 125, wherein the transverse moving mechanism comprises a rack guide rail 1221, a transverse motor 1222 and a transverse motor bracket 1223, and two ends of the rack guide rail 1221 are connected with the slide rail rack 121; a transverse through hole 1224 matched with the width direction of the rack guide rail 1221 is formed in the transverse support 1223, and a gear 1225 matched with the rack guide rail is arranged in the transverse through hole 1224; the transverse motor 1222 is installed on the rack guide 1221 through the transverse motor bracket 1223, the transverse motor 1222 is connected with the rack guide 1221 through the gear 1225, one end of the spray head steering motor 124 is connected with the transverse motor bracket 1223, and the other end is connected with the connecting piece 14.
The longitudinal motor 123 is installed on the top of one side of the slide rail frame 121. The longitudinal motor 123 is connected with the screw rod 125, the screw rod 125 penetrates through the rack guide rail 1221 to control the rack guide rail 1221 to lift, guide rails are respectively arranged at the joints of the rack guide rail 1221 and the slide rail rack 121, and a T-shaped groove 12211 matched with the guide rails is arranged on the rack guide rail.
The rack guide 1221 is driven to move up and down by the longitudinal motor 123 by arranging the longitudinal motor 123 on the top of the slide rail frame 121, the rack guide 1221 is controlled to move up and down by the rod 125 penetrating through the rack guide 1221, and the rack guide is stably moved on the slide rail frame 121 by adopting a T-shaped groove.
The recovery device 3 comprises a negative pressure device 31 and a recovery barrel 32, and the negative pressure device 31 is connected with the recovery barrel 32; the negative pressure device 31 comprises a negative pressure driving motor 311, fan blades 312 and a negative pressure pipe 313, the negative pressure pipe 313 penetrates through the wall surface of the recycling bin 32 and is fixed on the recycling bin 32, the negative pressure driving motor 311 is installed on the frame 4, the fan blades 312 are connected with the negative pressure driving motor 311, and the fan blades 312 are located in the negative pressure pipe 313. The fan blades are driven to rotate by the negative pressure driving motor, so that the sewage is recycled, and the fan is small in size and high in efficiency.
The recycling bin 32 comprises a recycling channel 321, a recycling connecting part 322 and a recycling bin cover 333, wherein the recycling channel 321 is formed by extending from the inner part of the wall surface of the recycling bin 32 to the bottom of the recycling bin; the recovery connection part 322 is formed by extending from the outer part of the wall surface of the recovery barrel 32 to the outside; the recovery passage 321 communicates with the recovery connection portion 322, and the recovery connection portion 322 is connected to a recovery pipe. The recovery channel is communicated with the recovery connecting part and is connected with the recovery connecting part, so that solid dirt falling on the cleaned wall and carbon dioxide generated by gasification of dry ice are absorbed into the recovery channel by the negative pressure device.
The air compression mechanism 5 comprises a compression device 51, an air storage bottle 52 and a first battery valve 521, wherein the compression device 51 comprises an air extraction device 511, an air extraction driving motor 512, an air extraction driving flywheel 513, an air extraction driven flywheel 514 and an air extraction belt 515; the air extraction driving flywheel 513 is connected with the air extraction driving motor 512, the air extraction driven flywheel 514 is connected with the air extraction device 511, the air extraction belt sleeve 515 is connected between the air extraction driving flywheel 513 and the air extraction driven flywheel 514, one end of the air storage bottle 52 is connected with the air extraction device through a pipeline, the air storage bottle 52 is connected with the first battery valve 521, and the first battery valve 521 is connected with the first through hole through a first pipeline. The air compression mechanism arranged in this way is small and exquisite and light in volume and good in air compression effect
As shown in fig. 2, 6-10, the moving device 2 includes a first wheel device 21 and a second wheel device 22, the first wheel device 21 is disposed on one side of the frame 4, and the second wheel device 22 is disposed on the other side of the frame 4; in the present embodiment, the first wheel device 21 and the second wheel device 22 are provided in two sets, wherein one set of the first wheel device 21 and the second wheel is located at the front end of the frame 4, and the other set of the first wheel device 21 and the second wheel is located at the rear end of the frame 4.
The first wheel device 21 includes a first wheel group 211 and a height adjustment device 212; the first wheel set 211 includes a first wheel 2111 and a wheel bearing 2112, the first wheel 2111 is connected to the wheel bearing 2112, the wheel bearing 2112 extends outwardly with a bearing connection 2113, and the first wheel 2111 is connected to the height adjustment device 212 through the bearing connection 2113.
The height adjustment device 212 includes a height adjustment mounting bracket 213, a height adjustment assembly 214, and a height adjustment drive 215; the height adjustment assembly 214 and the height adjustment drive 215 are mounted on the height adjustment mounting bracket 213, and the height adjustment drive 215 is connected to the height adjustment assembly 214.
The height adjustment mounting bracket 213 comprises an upper support 2131 and a lower support 2132, and a fixing member 2133 is connected between the upper support 2131 and the lower support 2132; in this embodiment, the fixing member 2133 is cylindrical, and the upper support member 2131 is provided with an upper connecting hole 21311; the lower support piece 2132 is provided with a lower connecting hole 21321 and a mounting groove 21322, the lower connecting hole 21321 is positioned at one end of the lower support piece 2132 close to the first wheel 2111, and the mounting groove 21322 is positioned at the other end of the lower support piece 2132 far away from the first wheel 2111; the cross-sectional area of the lower support 2132 at the end near the first wheel 2111 is greater than the cross-sectional area of the lower support 2132 at the end away from the first wheel 2111. Not only is the stability of the lower support 2132 improved, but also the lower support 2132 is conveniently matched with the first wheel.
The height adjustment assembly 214 includes a height adjustment moving member 2141 and a height adjustment connecting member 2142; the height adjusting movable member 2141 is provided with a hole matched with the fixed member 2133, the height adjusting movable member 2141 is slidably arranged on the fixed member 2133, the height adjusting connecting member 2142 is arranged below the lower support member 2132, the height adjusting movable member 2141 extends downwards to form a height adjusting connecting rod 2143, and the height adjusting connecting rod 2143 penetrates through the lower connecting hole 21321 to be connected with the height adjusting connecting member 2142; the height adjustment connection 2142 is connected to the bearing connection 2113.
The height adjusting driver 215 comprises a height adjusting driving motor 2151 and a height adjusting threaded shaft 2152, and the height adjusting threaded shaft 2152 is installed on the installation groove 21322 through the upper connection hole 21311; height adjustment drive motor 2151 is coupled to height adjustment threaded shaft 2152 via coupling 2153. The height adjustment moving member 2141 is mounted on the height adjustment threaded shaft 2152, and the height adjustment driving motor 2151 drives the height adjustment moving member 2141 to move up and down on the fixing member 2133. The height adjustment driving motor 2151 drives the height adjustment threaded shaft 2152 to rotate, and the height adjustment moving part 2141 moves up and down by the cooperation between the height adjustment moving part 2141 and the height adjustment threaded shaft 2152.
The second wheel device 22 includes a second wheel set 221, a second wheel set connection 222, and a suspension device 223, the second wheel set connection 222 being connected to the second wheel set 221; the second wheel group 221 includes a second wheel 2211 and a second wheel connection 2212, the second wheel connection 2212 includes a first connection 22121, a second connection 22122, and a third connection 22123, the first and second connections 22121 and 22122 are symmetrically disposed about the third connection 22123, and the third connection 22123 is connected to the second wheel 2211; the second wheel set connector 222 comprises a first connector 2221 and a second connector 2222, one end of the first connector 2221 is sleeved on the frame 4, and the other end of the first connector 2221 is hinged to the first connector 22121; one end of the second connecting member 2222 is sleeved on the frame 4, and the other end of the second connecting member 2222 is hinged to the second connecting portion 22122. One end of the suspension 223 is hinged to the frame 4, and the other end of the suspension 223 is hinged to the first connector 2221.
The second wheel 2211 is a driven wheel, and when the second wheel is driven, the first connecting portion 22121 and the second connecting portion 22122 swing, and the vibration of the second wheel movement to the frame is reduced through the shock absorbing device 223. A height adjusting connecting rod 2142 extends downward through the height adjusting movable member 2141, and the first wheel is connected to the height adjusting connecting member through a bearing connecting member, so that the height adjusting drive can drive the height adjusting movable member 2141 to move, when the height of the first wheel needs to be adjusted, the height adjustment driving motor 2151 rotates, the height adjustment moving part 2141 moves up and down through the height adjustment threaded shaft 2152, the height adjustment moving part 2141 moves up and down between the upper support member and the lower support member, and drives the first wheel to move up and down, by connecting the fixing member between the upper support member and the lower support member, the upper support member and the lower support member can be connected to fix the upper support member and the lower support member, and the height adjusting movable member can move on the fixing member, and the height adjusting movable member 2141 can drive the first wheel to move up and down in a space between the bottom of the frame and the first wheel along the sliding direction of the fixing member 2133; therefore, the vertical height of the first wheel can be adjusted, so that the first wheel and the second wheel are not on the same horizontal plane.
When the tunnel washer works, the vertical height of the first wheels is adjusted according to the height of the road shoulder of the tunnel, so that the first wheels are arranged on the road, the second wheels are arranged on the road shoulder, the occupied road area of the tunnel washer is small during working, and the noise on the tunnel passing efficiency during cleaning is effectively reduced.
As shown in fig. 14, the present invention provides a cleaning method of a tunnel cleaning machine, which comprises the following steps:
a) adjusting the height of a first wheel according to the height control of the shoulder of the tunnel, so that the first wheel is positioned on the road surface and a second wheel is positioned on the shoulder of the tunnel; step b) is carried out when the first wheel is adjusted to be proper;
b) controlling the air compression mechanism to start, and performing the step c) when the pressure of the air compression mechanism reaches the working requirement;
c) controlling the recovery device to start, and opening the first battery valve and the second battery valve; step d) is carried out after the gas is mixed and flowed through at the spray head;
d) controlling the spray head to clean the wall of the tunnel, and controlling the recovery device to absorb the dirt fallen off after the wall of the tunnel is cleaned and gaseous carbon dioxide formed by gasifying dry ice by the controller; step e) is carried out after the tunnel wall is cleaned;
e) controlling the first battery valve, the second battery valve and the air compression device to close; after the first battery valve, the second battery valve and the air compression device are closed and the recovery device finishes treating the recovered substances, the step f is carried out
f) Controlling the recovery device to be closed and the spray head to recover the initial state, and performing the step g);
g) adjusting the height of the first wheel to enable the first wheel and the second wheel to be at the same horizontal height, specifically, a height adjusting connecting rod extends downwards through a height adjusting moving part, the first wheel is connected with the height adjusting connecting part through a bearing connecting part, so that the height adjusting driving can drive a moving part of the height adjusting moving part, and a fixing part is connected between an upper supporting part and a lower supporting part, so that the upper supporting part and the lower supporting part can be connected to fix the upper supporting part and the lower supporting part, the height adjusting moving part can move on the fixing part, and the height adjusting moving part can drive the first wheel to move up and down in a space between the bottom of the frame and the first wheel along the sliding direction of the fixing part; therefore, the vertical height of the first wheel can be adjusted, so that the first wheel and the second wheel are not on the same horizontal plane, and the frame is kept in a horizontal state.
Before cleaning, the first wheel and the second wheel are at the same horizontal height, and the height of the first wheel is adjusted according to the current height of the road shoulder of the tunnel during working, so that the first wheel is in contact with the road surface of the current tunnel, and the second wheel is in contact with the road shoulder of the tunnel; after the cleaning contact, the first wheel height is adjusted again to restore the first wheel to a level with the second wheel.
Control earlier recovery unit start-up then control shower nozzle start-up and wash when wasing to can realize retrieving and wash going on simultaneously, can improve the cleaning efficiency, retrieve waste gas and wastes material after will wasing simultaneously, can improve clean effect.
The tunnel front cleaning machine for cleaning the tunnel by the cleaning method has the advantages that the spray head can realize all-dimensional cleaning of the tunnel through longitudinal movement, transverse movement and left-right swinging, the cleaning speed is high, the cleaning degree is high, and the working efficiency is high. Through adjustment first wheel height, make the first wheel of cleaning machine on the road surface, the second wheel is on the curb, reduces and occupies the road, reduces the risk that takes place the traffic accident. The carbon dioxide formed by gasifying the dirt and the dry ice after the tunnel is cleaned is immediately recycled by the negative pressure principle, so that secondary operation is reduced, and the working cost is reduced. And the tunnel cleaning and the absorption and recovery of the substances are carried out simultaneously, so that the working efficiency is high, and the operation cost is reduced.
Claims (2)
1. A cleaning method of a tunnel cleaning machine is characterized by comprising the following steps: the tunnel cleaning machine comprises a frame, a cleaning mechanism, a recovery device and a moving device, wherein the cleaning mechanism comprises a cleaning device, an air compression mechanism and a liquid carbon dioxide storage tank, the cleaning device is respectively connected with the recovery device, the air compression mechanism and the liquid carbon dioxide storage tank,
the cleaning device comprises a circulating piece, a cleaning moving device, a spray head and a connecting piece, wherein the spray head is positioned at one end of the circulating piece, the connecting piece is positioned at the other end of the circulating piece, the cleaning moving device is connected with the connecting piece, the circulating piece comprises a first channel and a second channel, the second channel is arranged in the first channel, and the first channel is not communicated with the second channel;
the spray head comprises a spray part communicated with the first channel and a recovery part communicated with the second channel;
the air compression mechanism comprises a compression device, an air storage bottle and a first battery valve, one end of the air storage bottle is connected with the compression device through a pipeline, the air storage bottle is connected with the first battery valve, and the first battery valve is connected with the cleaning device through a pipeline; a second battery valve is arranged on the liquid carbon dioxide storage tank;
the moving device comprises a first wheel device and a second wheel device, the first wheel device is arranged on one side of the frame, and the second wheel device is arranged on the other side of the frame; the first wheel device comprises a first wheel set and a height adjusting device; the first wheel set comprises a first wheel and a wheel bearing, the first wheel is connected with the wheel bearing, a bearing connecting piece extends outwards from the wheel bearing, the first wheel is connected with the height adjusting device through the bearing connecting piece, and a space is reserved between the first wheel and the bottom of the frame; the second wheel device comprises a second wheel set and a second wheel set connection part, and the second wheel set connection part is connected with the second wheel set; the second wheel group comprises a second wheel and a wheel frame;
the height adjusting device comprises a height adjusting mounting bracket, a height adjusting assembly and a height adjusting drive; the height adjusting assembly and the height adjusting drive are arranged on the height adjusting mounting bracket, and the height adjusting drive is connected with the height adjusting assembly;
the height adjusting and mounting bracket comprises an upper supporting piece and a lower supporting piece, and a fixing piece is connected between the upper supporting piece and the lower supporting piece; the upper supporting piece is provided with an upper connecting hole; the lower support piece is provided with a lower connecting hole and a mounting groove, the lower connecting hole is positioned at one end, close to the first wheel, of the lower support piece, and the mounting groove is positioned at the other end, far away from the first wheel, of the lower support piece; the cross-sectional area of one end of the lower support member, which is close to the first wheel, is larger than the cross-sectional area of the other end of the lower support member, which is far away from the first wheel;
the height adjusting assembly comprises a height adjusting movable piece and a height adjusting connecting piece; the height adjusting moving part is provided with a hole matched with the fixing part, the height adjusting moving part is arranged on the fixing part in a sliding manner, the height adjusting connecting piece is arranged below the lower supporting piece, the height adjusting moving part extends downwards to form a height adjusting connecting rod, and the height adjusting connecting rod penetrates through the lower connecting hole to be connected with the height adjusting connecting piece; the height adjusting connecting piece is connected with the bearing connecting piece;
the height adjusting drive comprises a height adjusting drive motor and a height adjusting threaded shaft, and the height adjusting threaded shaft passes through the upper connecting hole and is installed on the installation groove; the height adjusting driving motor is connected with the height adjusting threaded shaft through a coupler; the height adjusting movable part is arranged on the height adjusting threaded shaft, and the height adjusting driving motor drives the height adjusting movable part to move up and down on the fixed part;
when the tunnel cleaning machine is used for cleaning, the method comprises the following steps:
a) adjusting the height of a first wheel according to the height control of the shoulder of the tunnel, so that the first wheel is positioned on the road surface and a second wheel is positioned on the shoulder of the tunnel; b) when the first wheel is adjusted to a certain height, performing the step b);
b) controlling the air compression mechanism to start, and performing the step c) when the pressure of the air compression mechanism reaches the working requirement;
c) controlling the recovery device to start, and opening the first battery valve and the second battery valve; firstly, controlling the recovery device to start and then controlling the spray head to start for cleaning; step d) is carried out after the gas is mixed and flowed through at the spray head;
d) controlling the spray head to clean the wall of the tunnel and controlling the recovery device to absorb and recover substances; cleaning the tunnel wall and absorbing and recovering the substances synchronously; the spray head realizes the omnibearing cleaning of the tunnel through longitudinal movement, transverse movement and left-right swinging; step e) is carried out after the tunnel wall is cleaned;
e) controlling the first battery valve, the second battery valve and the air compression device to close; after the first battery valve, the second battery valve and the air compression device are closed and the recovery device finishes treating the recovered substances, the step f is carried out
f) Controlling the recovery device to be closed and the spray head to be restored to the initial state, and performing the step g);
g) adjusting the height of a first wheel, wherein a height adjusting driving motor rotates, a height adjusting moving part moves up and down through a height adjusting threaded shaft, the height adjusting moving part moves up and down between an upper supporting part and a lower supporting part and drives the first wheel to move up and down, and a fixing part is connected between the upper supporting part and the lower supporting part, so that the upper supporting part and the lower supporting part can be connected to fix the upper supporting part and the lower supporting part, the height adjusting moving part can move on the fixing part, and the height adjusting moving part can drive the first wheel to move up and down on a space between the bottom of a frame and the first wheel along the sliding direction of the fixing part; and adjusting the vertical height of the first wheel to enable the first wheel and the second wheel to be at the same horizontal height.
2. The cleaning method of the tunnel cleaning machine according to claim 1, characterized in that: the recovery substances comprise dirt fallen off after the tunnel wall is cleaned and gaseous carbon dioxide formed by gasifying dry ice.
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| CN201911108313.8A CN110777708B (en) | 2019-11-13 | 2019-11-13 | Cleaning method of tunnel cleaning machine |
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Address after: No. 1, Huadu District, Huadu Road, Guangzhou, Guangdong Province Patentee after: Guangzhou City Institute of Technology Address before: No. 1, Huadu District, Huadu Road, Guangzhou, Guangdong Province Patentee before: GUANGZHOU College OF SOUTH CHINA UNIVERSITY OF TECHNOLOGY |
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