CN114507537A - Heating and heat-preserving bin for automatically feeding and discharging asphalt coating bucket - Google Patents
Heating and heat-preserving bin for automatically feeding and discharging asphalt coating bucket Download PDFInfo
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- CN114507537A CN114507537A CN202011278881.5A CN202011278881A CN114507537A CN 114507537 A CN114507537 A CN 114507537A CN 202011278881 A CN202011278881 A CN 202011278881A CN 114507537 A CN114507537 A CN 114507537A
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- bucket
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- 238000007599 discharging Methods 0.000 title claims abstract description 150
- 238000010438 heat treatment Methods 0.000 title claims abstract description 131
- 239000010426 asphalt Substances 0.000 title claims abstract description 104
- 239000011248 coating agent Substances 0.000 title claims description 110
- 238000000576 coating method Methods 0.000 title claims description 110
- 230000007246 mechanism Effects 0.000 claims abstract description 124
- 239000003973 paint Substances 0.000 claims abstract description 100
- 238000002485 combustion reaction Methods 0.000 claims abstract description 33
- 238000011534 incubation Methods 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 29
- 239000000463 material Substances 0.000 abstract description 19
- 238000010276 construction Methods 0.000 abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 33
- 238000001514 detection method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/10—Melting
- C10C3/12—Devices therefor
Abstract
The invention discloses a heating and heat-preserving bin for automatically feeding and discharging asphalt paint buckets, which comprises a bin body, wherein the bin body comprises a combustion bin and a heating bin adjacent to the combustion bin, the combustion bin and the heating bin are mutually communicated, a burner and a fan are arranged in the combustion bin, a plurality of layers of paint bucket conveying mechanisms are arranged in the heating bin, a paint bucket feeding mechanism and a paint bucket discharging mechanism are respectively arranged on two sides of the heating bin, which are positioned in the conveying direction of the paint bucket conveying mechanisms, the heating bin is respectively provided with a feeding hole and a discharging hole, which correspond to the paint bucket feeding mechanism and the paint bucket discharging mechanism, and a feeding door and a discharging door are respectively arranged at the feeding hole and the discharging hole of the heating bin. The invention has the following beneficial effects: but automatic feed or the ejection of compact is located the storage bucket is scribbled to pitch in the storehouse body, and it is efficient to business turn over material, and heating efficiency is high to improve the efficiency of construction, and the storage bucket is scribbled to pitch carries with automated mode, guarantee staff's safety.
Description
Technical Field
The invention relates to the technical field of heating devices, in particular to automatic feeding and discharging heating of an asphalt coating barrel.
Background
Asphalt is a blackish brown complex mixture composed of hydrocarbons with different molecular weights and non-metallic derivatives thereof, is one of high-viscosity organic liquids, has a black surface, is a waterproof, moistureproof and anticorrosive organic cementing material, is solid at normal temperature and is molten liquid at high temperature, and needs to be heated before laying the asphalt; when the asphalt in the heating furnace is consumed quickly, new asphalt with lower temperature needs to be added into the heating furnace and can be used after a period of heating time, so that the heating efficiency and the construction efficiency are low; the heating furnace is the local heating to pitch, has the inhomogeneous phenomenon of heating, and some pitch heating is too sufficient, and the ageing problem appears in the quality, and some pitch heating is not enough still to be the cubic, influences the use of pitch, lacks the device that heats to whole bucket pitch storage bucket on the prior art.
The applicant previously filed but not published, application No. 2020213962392 claims a heating and heat-insulating cabinet for asphalt paint bucket, comprising a cabinet body, an opening is provided at one end of the cabinet body along the length direction, a door assembly is provided at the opening of the cabinet body, a heating device and a bracket are provided in the cabinet body, a plurality of support rods are provided at intervals in the bracket, the bracket is used for storing a plurality of asphalt paint buckets, although the heating and heat-insulating cabinet can heat the whole asphalt paint buckets, the asphalt paint buckets can be supplemented with the heating efficiency and the construction efficiency, the loading or discharging of the asphalt paint buckets adopts a manual mode, the asphalt paint buckets are loaded into the heating and heat-insulating cabinet manually through the rod pieces or the heated asphalt paint buckets are taken out from the heating and heat-insulating cabinet manually through the rod pieces, the charging and discharging efficiency of the asphalt paint buckets is low, and the heating device adopts a heating wire mode for heating, the heating efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a heating and heat-preserving bin for automatically feeding and discharging an asphalt coating bucket, which comprises a bin body, a burner, a fan, a coating bucket conveying mechanism, a coating bucket feeding mechanism and a coating bucket discharging mechanism.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides an automatic heating heat preservation storehouse of business turn over material of storage bucket is scribbled to pitch, includes the storehouse body, the storehouse body including the burning storehouse and with the adjacent heated warehouses in burning storehouse, just the burning storehouse with the heated warehouses communicate each other, be equipped with combustor and fan in the burning storehouse, be equipped with a plurality of layers in the heated warehouses and scribble storage bucket conveying mechanism, the heated warehouses is interior to be located scribble storage bucket conveying mechanism direction of delivery's both sides are equipped with respectively scribbles storage bucket feed mechanism and scribble storage bucket discharge mechanism, the heated warehouses be equipped with respectively with scribble storage bucket feed mechanism and scribble the corresponding feed inlet of storage bucket discharge mechanism and discharge gate, the heated warehouses is located the feed inlet reaches discharge gate department is equipped with feed gate and discharge gate respectively.
Preferably, the coating bucket conveying mechanism comprises a conveying motor and conveying roller shafts arranged in parallel at intervals along the length direction of the heating bin, driven conveying chain wheels are sleeved outside the conveying roller shafts, a driving conveying chain wheel is sleeved outside an output shaft of the conveying motor, and conveying chains are sleeved outside the driving conveying chain wheel and the driven conveying chain wheel; specifically, the output shaft of conveying motor rotates and drives the initiative conveying sprocket rotates, through the combined action of initiative conveying sprocket, driven conveying sprocket and the transport chain, drives driven conveying sprocket rotates, and then drives many the transport roller rotates, finally drives to be located the storage bucket is scribbled to the last pitch of transport roller removes, will be closest to scribble storage bucket discharge mechanism's a list of pitch paint bucket carry extremely on scribbling storage bucket discharge mechanism.
Preferably, the feeding mechanism of the coating bucket comprises a feeding assembly and a pushing assembly, the feeding assembly comprises a feeding support and a feeding motor, a plurality of feeding roller shafts are arranged in the feeding support at intervals in parallel along the length direction of the feeding support, a feeding chain wheel is sleeved outside the feeding roller shafts, a feeding chain is sleeved outside the feeding chain wheel, an output shaft of the feeding motor is connected with one of the feeding roller shafts, the pushing assembly is arranged at one side of the feeding assembly away from the coating bucket conveying mechanism, the pushing assembly and the coating bucket conveying mechanisms are arranged in a one-to-one correspondence manner, through the arrangement, when a worker is outside the cabin and feeds the asphalt coating bucket onto the feeding support from the feeding port, an output shaft of the feeding motor rotates to drive the feeding roller shaft connected with the feeding motor to rotate, through the feeding sprocket with the effect of feeding chain drives all the other the feeding roller rotates, the feeding roller drives the storage bucket is scribbled to pitch and removes to be located the storage bucket is scribbled to pitch on the feeding support is carried extremely the internal in storehouse, works as when the storage bucket is scribbled to full pitch on the feeding support, push away the material subassembly and will be located the storage bucket is scribbled to pitch on the feeding support pushes away to scribble on the storage bucket conveying mechanism.
Preferably, the material pushing assembly comprises an electric cylinder, a piston rod of the electric cylinder corresponds to the paint bucket conveying mechanism in the direction, a material pushing piece is arranged on the piston rod of the electric cylinder, and when the feeding support is filled with the asphalt paint bucket, the piston rod of the electric cylinder stretches out to drive the material pushing piece to stretch out and moves towards the paint bucket conveying mechanism in the direction, so that the asphalt paint bucket on the feeding support is pushed to the paint bucket conveying mechanism.
Preferably, the coating bucket discharging mechanism comprises a discharging assembly, the discharging assembly comprises a discharging support and a discharging motor, a plurality of discharging roller shafts are arranged in the discharging support at intervals in parallel along the length direction of the discharging support, discharging chain wheels are sleeved outside the discharging roller shafts, discharging chains are sleeved outside the discharging chain wheels, an output shaft of the discharging motor is connected with one of the discharging roller shafts, and through the arrangement, when the coating bucket conveying mechanism conveys a heated asphalt coating bucket to the coating bucket discharging mechanism, the coating bucket discharging mechanism discharges the heated asphalt coating bucket to the outside of the storage bin; specifically, the output shaft of ejection of compact motor rotates to drive with ejection of compact motor is connected ejection of compact roller rotates, through ejection of compact sprocket with ejection of compact chain's effect drives all the other ejection of compact roller rotates, ejection of compact roller drives and is located the storage bucket is scribbled to the epaxial pitch of ejection of compact roller moves outside the discharge gate, thereby scribble the storage bucket ejection of compact extremely with pitch outside the storehouse.
Preferably, a plurality of layers of the coating bucket conveying mechanisms are arranged in the heating bin, the coating bucket feeding mechanism further comprises a feeding lifting assembly, the coating bucket discharging mechanism further comprises a discharging lifting assembly, the feeding assembly and the discharging assembly are both connected with the heating bin in a sliding manner, the feeding lifting assembly is connected with the feeding assembly, the discharging lifting assembly is connected with the discharging assembly, through the arrangement, after a worker feeds an asphalt coating bucket onto the feeding assembly, the feeding lifting assembly can drive the feeding assembly to perform lifting movement, so that the feeding assembly corresponds to a certain layer of the coating bucket conveying mechanism, the pushing assembly corresponding to the layer of the coating bucket conveying mechanism pushes the asphalt coating bucket onto the coating bucket conveying mechanism, the steps are repeated, and after all layers of the asphalt coating buckets are filled up according to the layers from top to bottom, the asphalt coating buckets are heated, after heating is completed, the discharging lifting assembly can drive the discharging assembly to lift, so that the discharging assembly corresponds to a certain layer of the coating bucket conveying mechanism, the coating bucket conveying mechanism conveys an asphalt coating bucket to the discharging assembly, the discharging lifting assembly drives the discharging assembly to move to correspond to the discharging port, the discharging assembly discharges the asphalt coating bucket, the steps are repeated, and the asphalt coating buckets are conveyed layer by layer from top to bottom; when the paint bucket conveying mechanism on a certain layer is in idle load and the paint bucket conveying mechanism on the lower layer is conveying the asphalt paint bucket, the feeding lifting assembly and the feeding assembly work to load the asphalt paint bucket on the idle paint bucket conveying mechanism, heating while using is achieved, the middle heating time does not need to be waited, the heating and heat preservation bin can continuously provide the heated asphalt paint bucket for construction, and construction efficiency is further improved.
Preferably, the bin body is internally provided with a first through hole and a second through hole which enable the combustion bin and the heating bin to be communicated with each other, the first through hole is positioned at the lower part of the bin body, the second through hole is positioned at the upper part of the bin body, the heating bin is internally provided with a return air pipe and an air inlet pipe, an air outlet of the fan and an air inlet of the air inlet pipe are both connected with the first through hole, the upper surface of the air inlet pipe is provided with a plurality of uniformly distributed heating holes, and an air outlet of the return air pipe is connected with the second through hole, so that high-temperature gas heated by the burner is high in temperature, large in volume and small in density according to the characteristics of expansion with heat and contraction with cold, thereby the weight is light, the high-temperature gas is positioned above the low-temperature gas under the natural condition, but the high-temperature gas flows into the heating bin from the first through hole positioned at the lower part under the action of the fan, the high-temperature gas in the heating bin has a spontaneous upward flow trend, and adds the effect of fan, high-temperature gas accelerate upwards to flow, accelerated gas circulation promptly to further improve heating efficiency, and high-temperature gas follows the heated hole flows evenly to be scattered in the heating bin, improves the homogeneity of heating, and the gas after being absorbed the heat is followed the air intake of return air pipe flows back to by reheating in the combustion chamber, and the continuous circulation heats the storage bucket is scribbled to pitch.
Preferably, be equipped with temperature detection sensor and siren in the heated warehouses, temperature detection sensor with the combustor reaches the siren electricity is connected, through setting up like this, temperature detection sensor can real-time detection the temperature in the heated warehouses, works as temperature detection sensor detects when the temperature in the heated warehouses is too high, temperature detection sensor signals cuts off the power and the control of combustor the siren sends out the police dispatch newspaper, avoids the combustor breaks down and causes the temperature in the heated warehouses is too high and damages spare part.
Preferably, the combustion bin is provided with an exhaust device, the exhaust device comprises a shutter and a filtering component arranged on the shutter, through the arrangement, the combustion engine can generate a large amount of smoke in the combustion heating process, the air pressure in the bin can rise due to temperature rise and expansion of gas, the shutter is opened periodically, the smoke in the bin can be discharged periodically, the air pressure in the bin is reduced, and the smoke is discharged outside after being filtered by the filtering component and cannot pollute the environment.
Preferably, the cartridge body further comprises an equipment cartridge adjacent to the heating cartridge for storing equipment.
Compared with the prior art, the invention has the beneficial technical effects that:
after the asphalt coating bucket is fed to the coating bucket feeding mechanism, the coating bucket feeding mechanism can feed the asphalt coating bucket to the coating bucket conveying mechanism, the steps are repeated until the coating bucket conveying mechanism is fully loaded, then the fan works to accelerate the circulating flow speed of the gas in the combustion bin and the heating bin, the combustor works to heat and raise the temperature of the nearby gas, the high-temperature gas flows to the heating bin under the action of the fan and heats the asphalt coating bucket through the heat transfer effect, after the heating is finished, the coating bucket conveying mechanism conveys the heated asphalt coating bucket to the coating bucket discharging mechanism, the coating bucket discharging mechanism discharges the asphalt coating bucket for construction, the asphalt coating bucket in the bin body can be automatically fed or discharged, the feeding and discharging efficiency is high, the heating efficiency is high, and the construction efficiency is improved, and the asphalt coating bucket is conveyed in an automatic mode, so that the safety of workers is guaranteed.
Drawings
FIG. 1 is a schematic elevational view of a cartridge body in accordance with an embodiment of the present invention;
FIG. 2 is a schematic front view of the internal structure of the cartridge body in accordance with an embodiment of the present invention;
FIG. 3 is a schematic top view of the internal structure of the cartridge body in accordance with an embodiment of the present invention;
FIG. 4 is a schematic side view of the internal structure of the cartridge body of the embodiment of the present invention;
FIG. 5 is an enlarged partial view of portion A of FIG. 2 illustrating an embodiment of the present invention;
FIG. 6 is an enlarged partial view of portion B of FIG. 2 illustrating an embodiment of the present invention;
FIG. 7 is an enlarged partial view of section C of FIG. 3 illustrating an embodiment of the present invention;
fig. 8 is a partially enlarged view of portion D in fig. 3 according to the embodiment of the present invention.
Wherein, the technical characteristics that each reference numeral refers to are as follows:
1. a bin body; 2. a paint bucket conveying mechanism; 3. a paint bucket feeding mechanism; 4. a paint bucket discharging mechanism; 5. a combustion engine; 6. a fan; 7. an asphalt paint bucket; 8. an air inlet pipe; 9. a return air duct; 11. a combustion chamber; 12. a heating chamber; 13. an equipment bin; 14. a feed gate; 15. a discharge door; 16. an access door; 17. an unpowered roller shaft; 21. a conveying roller shaft; 22. a conveying motor; 23. a drive conveyor sprocket; 24. a driven conveyor sprocket; 25. a conveyor belt; 31. a feed support; 32. a feeding motor; 33. a feed roll shaft; 34. a feed sprocket; 35. an electric cylinder; 36. pushing the material piece; 37. a feeding lifting motor; 38. feeding a steel wire rope; 39. a feeding pulley; 41. a discharging support; 42. a discharging motor; 43. a discharging roll shaft; 44. a discharge sprocket; 45. discharging the steel wire rope; 46. a discharging pulley; 111. a first through hole; 112. a second via.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following embodiments.
Referring to fig. 1-8, this embodiment discloses a heating and thermal insulation bin for automatically feeding and discharging asphalt paint bucket 7, which includes a bin body 1, the bin body 1 includes a combustion bin 11 and a heating bin 12 adjacent to the combustion bin 11, the combustion bin 11 is communicated with the heating bin 12, a burner 5 and a fan 6 are disposed in the combustion bin 11, a plurality of layers of paint bucket conveying mechanisms 2 are disposed in the heating bin 12, a plurality of asphalt paint buckets 7 can be stored on the paint bucket conveying mechanisms 2, the asphalt paint buckets 7 are stored on the paint bucket conveying mechanisms 2 in a plurality of rows and a plurality of columns, in this embodiment, each layer of paint bucket conveying mechanism 2 can store 6 rows 22 of asphalt paint buckets 7, a paint bucket feeding mechanism 3 and a paint bucket discharging mechanism 4 are disposed on two sides of the heating bin 12 in the conveying direction of the paint bucket conveying mechanism 2, specifically, the bin body 1 is a rectangular parallelepiped, the bin body 1 sequentially includes the combustion bin 11 and the heating bin 12 along the length direction, the conveying direction of the paint bucket conveying mechanism 2 is parallel to the length direction of the heating bin 12, a feed inlet and a discharge outlet 73 corresponding to the paint bucket feeding mechanism 3 and the paint bucket discharging mechanism 4 are respectively arranged on the side wall of one side of the heating bin 12 in the width direction, a feed door 14 and a discharge door 15 are respectively arranged at the feed inlet and the discharge outlet 73 of the heating bin 12, the bottom ends of the feed door 14 and the discharge door 15 are hinged with the heating bin 12, and the axis of the feed door 14 and the axis of the discharge door 15 hinged with the heating bin 12 are parallel to the length direction of the heating bin 12.
After the asphalt coating bucket 7 is fed to the coating bucket feeding mechanism 3, the coating bucket feeding mechanism 3 can feed the asphalt coating bucket 7 onto the coating bucket conveying mechanism 2, the steps are repeated until the coating bucket conveying mechanism 2 is fully loaded, then the fan 6 works to accelerate the circulating flow speed of the gas in the combustion bin 11 and the heating bin 12, the burner 5 works to heat nearby gas to raise the temperature, high-temperature gas flows to the heating bin 12 under the action of the fan 6, the asphalt coating bucket 7 is heated through the heat transfer effect, after the heating is finished, the coating bucket conveying mechanism 2 conveys the asphalt coating bucket 7 which is heated to the coating bucket discharging mechanism 4, the coating bucket discharging mechanism 4 discharges the asphalt coating bucket 7 for construction, the asphalt coating bucket 7 which is positioned in the bin body 1 can be automatically fed or discharged, the feeding and discharging efficiency is high, the heating efficiency is high, and the construction efficiency is improved, and the asphalt coating bucket 7 is conveyed in an automatic mode, so that the safety of workers is guaranteed.
Further, the paint bucket conveying mechanism 2 comprises a conveying motor 22 and a plurality of conveying roller shafts 21 arranged in parallel at intervals along the length direction of the heating bin 12, the distance between the axes of two adjacent conveying roller shafts 21 is smaller than the diameter of the asphalt paint bucket 7, a plurality of belt seat bearings are arranged in the side walls of the heating bin 12 at two sides along the width direction, two ends of each conveying roller shaft 21 are respectively arranged in the corresponding belt seat bearings in a penetrating manner, so that the rotating friction force of the conveying roller shafts 21 is reduced, a driven conveying sprocket 24 is sleeved outside each conveying roller shaft 21, the driven conveying sprocket 24 is sleeved outside one end of each conveying roller shaft 21, the conveying motor 22 is arranged in the bin body 1, a driving conveying sprocket 23 is sleeved outside an output shaft of the conveying motor 22, a conveying chain is sleeved outside each driving conveying sprocket 23 and each driven conveying sprocket 24, when the asphalt paint bucket feeding mechanism 3 feeds the asphalt paint bucket 7 to the paint bucket conveying mechanism 2 for heating, the coating bucket conveying mechanism 2 can convey the heated asphalt coating bucket 7 to the coating bucket discharging mechanism 4 for discharging; specifically, the output shaft of the conveying motor 22 rotates to drive the driving conveying sprocket 23 to rotate, and the driving conveying sprocket 23, the driven conveying sprocket 24 and the conveying chain cooperate to drive the driven conveying sprocket 24 to rotate, so as to drive the plurality of conveying roller shafts 21 to rotate, finally drive the asphalt paint bucket 7 located on the conveying roller shafts 21 to move, and convey a row of asphalt paint buckets 7 closest to the paint bucket discharging mechanism 4.
Many conveying roller 21 overcoat are equipped with conveyor belt 25, can avoid carrying the phenomenon that appears skidding between roller 21 and the pitch storage bucket 7, and when conveying motor 22 drive conveying roller 21 rotated, conveying roller 21 drove conveyor belt 25 and rotates, because conveyor belt 25's surface roughness is greater than the roughness that conveying roller 21 is global, can steadily drive the pitch storage bucket 7 that is located on conveyor belt 25 and remove, improves the stability of carrying.
Scribble storage bucket feed mechanism 3 and include feeding subassembly and push away the material subassembly, the feeding subassembly includes feeding support 31 and feeding motor 32, feeding support 31 is the cuboid, feeding support 31's length direction and heated warehouses 12's width direction parallel arrangement, be equipped with many feeding roller shafts 33 that set up along feeding support 31's length direction parallel interval in the feeding support 31, feeding support 31 is equipped with a plurality of bearings along width direction's both sides, the both ends of feeding roller shaft 33 wear to locate respectively in the bearing that corresponds, reduce the friction when feeding roller shaft 33 rotates, feeding roller shaft 33 all overlaps outward and is equipped with feeding sprocket 34, feeding sprocket 34 cover is established outside feeding roller shaft 33's one end, feeding sprocket 34 overcoat is equipped with the feeding chain, feeding motor 32 sets up on feeding support 31, and feeding motor 32's output shaft and one of them feeding roller shaft 33 are connected, feeding motor 32's output shaft and the feeding roller shaft 33 that is located feeding support 31 outside along the length direction pass through the coaxial fixed even of shaft coupling Then, the material pushing component is arranged at one side of the feeding component far away from the paint bucket conveying mechanism 2, and the material pushing component and a plurality of layers of paint bucket conveying mechanisms 2 are arranged in one-to-one correspondence, namely, a material pushing component is arranged at the height of each layer of the coating bucket conveying mechanism 2, when a worker loads the asphalt coating bucket 7 onto the feeding bracket 31 from the feeding hole outside the bin body 1, the output shaft of the feeding motor 32 rotates, thereby driving the feeding roller shaft 33 connected with the feeding motor 32 to rotate, driving the other feeding roller shafts 33 to rotate through the action of the feeding chain wheel 34 and the feeding chain, driving the asphalt paint bucket 7 to move by the feeding roller shaft 33, so that the asphalt paint bucket 7 positioned on the feed holder 31 is transferred into the silo 1, and when the feed holder 31 is filled with the asphalt paint bucket 7, the pushing assembly pushes the asphalt coating bucket 7 on the feeding bracket 31 to the coating bucket conveying mechanism 2.
Furthermore, a plurality of unpowered roller shafts 17 which are arranged in parallel at intervals are arranged on the inner side of the feeding door 14, the unpowered roller shafts 17 are rotatably connected with the feeding door 14, the axes of the unpowered roller shafts 17 are arranged in parallel with the axis of the feeding roller shaft 33, when the feeding door 14 is opened, a worker places the asphalt coating barrel 7 on the unpowered roller shafts 17, and the asphalt coating barrel 7 can be fed onto the feeding bracket 31 from a feeding hole by lightly pushing; be located feed inlet department in the storehouse body 1 and be equipped with feeding count sensor, feeding count sensor includes feeding photoelectric switch, feeding photoelectric switch is connected with feeding motor 32 electricity, when feeding photoelectric switch detects that first bucket pitch scribbles storage bucket 7 from feed inlet material loading to feeding support 31 on, send out the work of signal of telecommunication control feeding motor 32 and begin the count, the quantity of storage bucket 7 is scribbled to the pitch on feeding support 31 from feed inlet material loading to feeding support 31 to feeding photoelectric switch detectable, when feeding photoelectric switch detects and sets for the quantity, when feeding support 31 is full-load promptly, control feeding motor 32 stop work, further improve degree of automation, need not the manual work and control on the panel.
The material pushing component comprises an electric cylinder 35, the electric cylinder 35 is arranged in the bin body 1, the piston rod of the electric cylinder 35 faces the corresponding paint bucket conveying mechanism 2, the axis of the piston of the electric cylinder 35 is parallel to the length direction of the bin body 1, the piston rod of the electric cylinder 35 is provided with a material pushing piece 36, the material pushing piece 36 comprises two parallel push plates arranged at intervals and a plurality of connecting rods for connecting the two push plates, when the feeding support 31 is filled with asphalt paint buckets 7, the piston rod of the electric cylinder 35 stretches out the driving material pushing piece 36 to stretch out, the material pushing piece 36 moves towards the direction of the paint bucket conveying mechanism 2, and therefore the asphalt paint buckets 7 on the feeding support 31 are pushed to the paint bucket conveying mechanism 2.
The coating bucket discharging mechanism 4 comprises a discharging component, the discharging component comprises a discharging support 41 and a discharging motor 42, the discharging support 41 is cuboid, the length direction of the discharging support 41 is parallel to the width direction of the heating bin 12, a plurality of discharging roller shafts 43 are arranged in the discharging support 41 at intervals along the length direction of the discharging support 41, a plurality of bearings are arranged on two sides of the discharging support 41 along the width direction, two ends of each discharging roller shaft 43 are respectively arranged in the corresponding bearings in a penetrating manner, friction when the discharging roller shafts 43 rotate is reduced, a discharging chain wheel 44 is sleeved outside each discharging roller shaft 43, the discharging chain wheel 44 is sleeved at one end of each discharging roller shaft 43, a discharging chain is sleeved outside each discharging chain wheel 44, the discharging motor 42 is arranged on the discharging support 41, an output shaft of the discharging motor 42 is connected with one of the discharging roller shafts 43, an output shaft of the discharging motor 42 is coaxially and fixedly connected with one of the discharging roller shafts 43 positioned outside the discharging support 41 along the length direction through a coupler, when the coating bucket conveying mechanism 2 conveys the heated asphalt coating bucket 7 to the coating bucket discharging mechanism 4, the coating bucket discharging mechanism 4 discharges the heated asphalt coating bucket 7 out of the silo body 1; specifically, the output shaft of ejection of compact motor 42 rotates to the ejection of compact roller 43 that the drive is connected with ejection of compact motor 42 rotates, through ejection of compact sprocket 44 and ejection of compact chain's effect, drives all the other ejection of compact roller 43 and rotates, and ejection of compact roller 43 drives and is located the storage bucket 7 of scribbling the pitch on ejection of compact roller 43 and removes outside discharge gate 73, thereby scribbles storage bucket 7 ejection of compact to storehouse body 1 with pitch outside.
Further, a plurality of unpowered roller shafts 17 are arranged on the inner side of the discharging door 15, the axes of the unpowered roller shafts 17 are parallel to the axes of the discharging roller shafts 43, when the discharging door 15 is opened, the discharging assembly is convenient to discharge the asphalt paint barrel 7 from the discharging port 73, the bin body 1 is arranged in the discharging port 73 and is provided with a discharging counting sensor, the discharging counting sensor comprises a discharging photoelectric switch, the discharging photoelectric switch is electrically connected with the discharging motor 42, when the discharging motor 42 drives the discharging roller shafts 43 to rotate to discharge the asphalt paint barrel 7 from the discharging port 73, the discharging photoelectric switch can detect the discharging quantity of the asphalt paint barrel 7, and after the discharging photoelectric switch detects that one asphalt paint barrel 7 is discharged from the discharging port 73, the discharging motor 42 is controlled to work after a period of time, enough time is left for a worker to take away the asphalt paint on the discharging door 15, when the discharging photoelectric switch detects the set quantity, the asphalt coating bucket 7 on the discharging support 41 is completely discharged, and the photoelectric discharging switch controls the discharging motor 42 to stop working.
The heating bin 12 is provided with a multi-layer coating bucket conveying mechanism 2, the multi-layer coating bucket conveying mechanism 2 is arranged in parallel along the height direction of the bin body 1 at intervals, in the embodiment, the heating bin 12 is provided with three layers of coating bucket conveying mechanisms 2 arranged in parallel along the height direction at intervals, the coating bucket feeding mechanism 3 further comprises a feeding lifting component, the coating bucket discharging mechanism 4 further comprises a discharging lifting component, the feeding component and the discharging component are both in sliding connection with the heating bin 12, the feeding lifting component is connected with the feeding component, the discharging lifting component is connected with the discharging component, after a worker feeds the asphalt coating bucket 7 onto the feeding component, the feeding lifting component can drive the feeding component to perform lifting motion, so that the feeding component corresponds to the coating bucket conveying mechanism 2 on a certain layer, and the pushing component corresponding to the coating bucket conveying mechanism 2 pushes the asphalt coating bucket 7 onto the coating bucket conveying mechanism 2, repeating the steps, heating the asphalt paint buckets 7 of all layers according to the layers from top to bottom, after heating is completed, driving a discharging component to ascend and descend by a discharging lifting component, enabling the discharging component to correspond to a certain layer of paint bucket conveying mechanism 2, conveying the asphalt paint buckets 7 to the discharging component by the layer of paint bucket conveying mechanism 2, driving the discharging component to move to correspond to a discharging port 73 by the discharging lifting component, discharging the asphalt paint buckets 7 by the discharging component, repeating the steps, and conveying the asphalt paint buckets 7 according to the layers from top to bottom; and when the paint bucket conveying mechanism 2 on a certain layer is in idle load and the paint bucket conveying mechanism 2 on the lower layer is conveying the asphalt paint bucket 7, the feeding lifting assembly and the feeding assembly work to load the asphalt paint bucket 7 on the idle paint bucket conveying mechanism 2, so that heating while using is realized, the middle heating time does not need to be waited, the heating and heat-preserving bin can continuously provide the asphalt paint bucket 7 which is heated for construction, and the construction efficiency is further improved.
Further, feeding lifting unit includes feeding elevator motor 37, feeding support 31 and 1 sliding connection in the storehouse body, it is specific, be equipped with the guide rail that sets up along the direction of height in the storehouse body 1, be equipped with the slider on the feeding support 31, the slider cover is located outside the guide rail, the top that lies in feeding support 31 in the storehouse body 1 is equipped with feeding pulley 39, feeding elevator motor 37's output shaft is equipped with feeding wire rope 38, feeding wire rope 38's one end and feeding elevator motor 37's output shaft, feeding pulley 39 and feeding support 31 are walked around to feeding wire rope 38's the other end, feeding elevator motor 37's output shaft rotates, make feeding wire rope 38 twine outside feeding elevator motor 37's the output shaft or break away from feeding elevator motor 37's output shaft, and cooperate feeding pulley 39, thereby drive feeding support 31 rises or descends.
Ejection of compact lifting unit includes ejection of compact elevator motor, ejection of compact support 41 and 1 sliding connection in the storehouse body, the top that lies in ejection of compact support 41 in the storehouse body 1 is equipped with ejection of compact pulley 46, ejection of compact elevator motor's output shaft is equipped with ejection of compact wire rope 45, ejection of compact wire rope 45's one end and ejection of compact elevator motor's output shaft, ejection of compact wire rope 45's the other end is walked around ejection of compact pulley 46 and is connected with ejection of compact support 41, ejection of compact elevator motor's output shaft rotates, make ejection of compact wire rope 45 twine outside ejection of compact elevator motor's the output shaft or break away from ejection of compact elevator motor's output shaft, and cooperate ejection of compact pulley 46, thereby drive ejection of compact support 41 rises or descends.
The bin body 1 is internally provided with a first through hole 111 and a second through hole 112 which enable the combustion bin 11 and the heating bin 12 to be mutually communicated, the first through hole 111 and the second through hole 112 are arranged on the bin wall of the combustion bin 11 connected with the heating bin 12, the first through hole 111 is positioned at the lower part of the bin body 1, the second through hole 112 is positioned at the upper part of the bin body 1, the heating bin 12 is internally provided with a return air duct 9 and an air inlet duct 8, the cross section of the air inlet duct 8 is hollow and rectangular, the return air duct 9 is arranged at the top part of the heating bin 12, the air inlet duct 8 is arranged at the bottom part of the heating bin 12, namely, the return air duct 9 is positioned above the paint bucket conveying mechanism 2, the air inlet duct 8 is positioned below the paint bucket conveying mechanism 2, an air outlet of the fan 6 and an air inlet of the air inlet duct 8 are both connected with the first through hole 111, the upper surface of the air inlet duct 8 is provided with a plurality of uniformly distributed heating holes, an air outlet of the return air duct 9 is connected with the second through hole 112, and an air inlet of the return air duct 9 is arranged at one side of the heating bin 12 far away from the second through hole 112, namely, the air inlet of the return air duct 9 is arranged at the right side of the heating bin 12, and according to the characteristics of expansion with heat and contraction with cold, the high-temperature gas heated by the burner 5 has light weight due to high temperature, large volume and low density, in a natural situation, the high temperature gas is above the low temperature gas, but under the action of the fan 6, the high temperature gas flows into the heating chamber 12 from the first through hole 111 at the lower part, the high temperature gas in the heating chamber 12 has a tendency of flowing upward spontaneously, and under the action of the fan 6, the high temperature gas accelerates to flow upward, the gas circulation is accelerated, so that the heating efficiency is further improved, high-temperature gas flows out from the heating holes and is uniformly dispersed in the heating bin 12, the heating uniformity is improved, the gas after absorbing heat flows back into the combustion bin 11 from the air inlet of the air return pipe 9 to be reheated, and the asphalt coating barrel 7 is continuously and circularly heated.
In the figure department, be equipped with temperature detection sensor and siren in the storehouse body 1, temperature detection sensor is connected with combustor 5 and siren electricity, and temperature detection sensor can the heating temperature in the storehouse body 1 of real-time detection, and when temperature detection sensor detected the temperature in the storehouse body 1 too high, temperature detection sensor signals cuts off combustor 5's power and control siren and sends out the police dispatch newspaper, avoids combustor 5 to break down and causes the high temperature in the storehouse body 1 and damage components and parts.
Be equipped with the heat preservation on the inner wall of storehouse body 1, be equipped with the heat preservation and can avoid being located the calorific loss in heated warehouses 12, reduce the raw materials of 5 required burning of combustor, reduction in production cost, and further improve heating efficiency, the heat preservation includes the rock wool board, and the rock wool board thickness is between 100 supplyes between 200mm, and the heat preservation of rock wool board is effectual, and under the circumstances that the assurance heat preservation effect meets the requirements, reduces insulation material's use, reduction in production cost.
Be equipped with exhaust apparatus and air inlet unit on the combustion chamber 11, exhaust apparatus includes shutter and sets up the filter assembly on the shutter, combustor 5 can produce a large amount of flue gases at the in-process of burning heating, and because gaseous intensification inflation, the atmospheric pressure in the storehouse body 1 can rise, regularly open through the shutter, can regularly discharge the flue gas in the storehouse body 1, reduce the atmospheric pressure in the storehouse body 1, and the flue gas filters the back through filter assembly and discharges the external world and can not cause the pollution to the environment, and regularly open air inlet unit, can supply new gas to the storehouse body 1.
The combustion chamber 11 and the heating chamber 12 are both provided with access doors 16, and when the burner 5 or the fan 6 breaks down or a problem occurs in the heating chamber 12, the access doors 16 can be opened for inspection and maintenance, so that the maintenance personnel can work conveniently.
The bin body 1 further comprises an equipment bin 13 adjacent to the heating bin 12, wherein the equipment bin 13 is used for storing equipment for asphalt construction or for normal operation of the heat preservation bin, such as a control cabinet for controlling the operation of the heat preservation bin, an oil tank for supplying oil to the combustion engine 5, an asphalt construction robot 88 for laying asphalt, an automatic cleaning machine, a generator for supplying power to the equipment and the like.
The parts arranged in the bin body 1 are all high-temperature resistant parts.
The heating method of the asphalt paint bucket of the heating and heat-preserving bin comprises the following steps:
step 1: feeding:
opening the feeding door 14, feeding the multi-barrel asphalt coating bucket 7 onto the feeding bracket 31, specifically, placing the asphalt coating bucket 7 on the feeding door 14 by a worker, slightly pushing the asphalt coating bucket 7 towards the interior of the silo body 1, allowing the asphalt coating bucket 7 to enter the feeding bracket 31, sending an electric signal to control the feeding motor 32 to work when the feeding photoelectric switch detects the asphalt coating bucket 7, allowing the feeding motor 32 to drive the asphalt coating bucket 7 to move onto the feeding bracket 31, repeating the steps until the feeding bracket 31 is full, and sending a signal to stop the feeding motor 32 when the feeding photoelectric sensor detects that the feeding quantity is equal to the set quantity;
step 2: feeding:
the feeding lifting component drives the feeding support 31 to ascend to be opposite to a coating bucket conveying mechanism 2 on a certain layer, the pushing component opposite to the layer feeds the asphalt coating bucket 7 on the feeding support 31 to be changed into the coating bucket conveying mechanism 2, after the feeding is finished, the pushing component returns to an initial position, the feeding lifting component drives the feeding support 31 to descend to be opposite to a feeding hole, the feeding and feeding steps are repeated, and the coating bucket conveying mechanism 2 is filled with the coating bucket from top to bottom layer by layer:
and 3, step 3: heating:
after the conveying mechanism 2 of the asphalt coating bucket 7 is filled, the feeding door 14 is closed, the fan 6 is started, the circulating flow speed of gas between the combustion bin 11 and the heating bin 12 is accelerated under the work of the fan 6, then the burner 5 starts to work to heat nearby gas, the fan 6 is started first, then the burner 5 is started after being delayed, the situation that the gas flow speed is low, the situation that the burner 5 is damaged due to overhigh temperature caused by continuous combustion is avoided, the high-temperature gas enters the heating bin 12, the asphalt coating bucket 7 absorbs the heat of the high-temperature gas through the heat transfer effect, the gas after absorbing the heat enters the combustion bin 11 to be reheated, and each gas circulation heats the asphalt coating bucket 7 until the temperature reaches the construction requirement;
and 4, step 4: discharging:
after asphalt is heated, the discharge door 15 is opened, the discharge lifting assembly drives the discharge support 41 to ascend to be opposite to the coating bucket conveying mechanism 2 of a certain layer, the coating bucket conveying mechanism 2 of the layer conveys a row of asphalt coating buckets 7 close to the discharge support 41, the discharge lifting assembly drives the discharge support 41 to descend to be opposite to the discharge door 15, the discharge support 41 discharges the asphalt coating buckets 7 out of the bin body 1 one by one, the discharging step is repeated, and the asphalt coating buckets 7 are discharged layer by layer from top to bottom; and when a certain layer of paint bucket conveying mechanism 2 is in idle state and the asphalt paint bucket 7 on the lower layer of paint bucket conveying mechanism 2 is being discharged, the feeding door 14 is opened, and the empty paint bucket conveying mechanism 2 is fed through the feeding lifting assembly and the feeding bracket 31.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A heating and heat-insulating bin for automatically feeding and discharging asphalt paint barrels is characterized by comprising a bin body (1), the bin body (1) comprises a combustion bin (11) and a heating bin (12) adjacent to the combustion bin (11), the combustion chamber (11) is communicated with the heating chamber (12), a burner (5) and a fan (6) are arranged in the combustion chamber (11), a plurality of layers of paint bucket conveying mechanisms (2) are arranged in the heating bin (12), a coating bucket feeding mechanism (3) and a coating bucket discharging mechanism (4) are respectively arranged on two sides of the heating bin (12) in the conveying direction of the coating bucket conveying mechanism (2), the heating bin (12) is respectively provided with a feed inlet and a discharge outlet which correspond to the paint bucket feeding mechanism (3) and the paint bucket discharging mechanism (4), the heating bin (12) is positioned at the feed inlet and the discharge outlet and is respectively provided with a feed door (14) and a discharge door (15).
2. The heating and heat-preserving bin as claimed in claim 1, wherein the paint bucket conveying mechanism (2) comprises a conveying motor (22) and conveying roller shafts (21) arranged in parallel at intervals along the length direction of the heating bin (12), driven conveying sprockets (24) are sleeved outside the conveying roller shafts (21), a driving conveying sprocket (23) is sleeved outside an output shaft of the conveying motor (22), and conveying chains are sleeved outside the driving conveying sprocket (23) and the driven conveying sprocket (24).
3. The heating and heat-preserving bin as claimed in claim 2, wherein the paint bucket feeding mechanism (3) comprises a feeding assembly and a pushing assembly, the feeding assembly comprises a feeding support (31) and a feeding motor (32), a plurality of feeding roller shafts (33) are arranged in the feeding support (31) and arranged in parallel at intervals along the length direction of the feeding support (31), a feeding chain wheel (34) is sleeved outside the feeding roller shafts (33), a feeding chain is sleeved outside the feeding chain wheel (34), an output shaft of the feeding motor (32) is connected with one of the feeding roller shafts (33), the pushing assembly is arranged on one side of the feeding assembly, which is far away from the paint bucket conveying mechanism (2), and the pushing assembly and a plurality of layers of paint bucket conveying mechanisms (2) are arranged in a one-to-one correspondence manner.
4. The heating and heat-preserving bin as claimed in claim 3, wherein the pushing assembly comprises an electric cylinder (35), a piston rod of the electric cylinder (35) faces the corresponding paint bucket conveying mechanism (2), and a pushing piece (36) is arranged on the piston rod of the electric cylinder (35).
5. The heating and heat-preserving bin as claimed in claim 4, wherein the paint bucket discharging mechanism (4) comprises a discharging assembly, the discharging assembly comprises a discharging support (41) and a discharging motor (42), a plurality of discharging roller shafts (43) are arranged in the discharging support (41) at intervals in parallel along the length direction of the discharging support (41), discharging chain wheels (44) are sleeved outside the discharging roller shafts (43), a discharging chain is sleeved outside the discharging chain wheels (44), and an output shaft of the discharging motor (42) is connected with one of the discharging roller shafts (43).
6. The heating and heat-preserving bin as claimed in claim 5, wherein a plurality of layers of the paint bucket conveying mechanism (2) are arranged in the heating bin (12), the paint bucket feeding mechanism (3) further comprises a feeding lifting assembly, the paint bucket discharging mechanism (4) further comprises a discharging lifting assembly, the feeding assembly and the discharging assembly are both slidably connected with the heating bin (12), the feeding lifting assembly is connected with the feeding assembly, and the discharging lifting assembly is connected with the discharging assembly.
7. The heating and heat-preserving bin as claimed in any one of claims 1 to 6, wherein a first through hole (111) and a second through hole (112) are provided in the bin body (1) to communicate the combustion bin (11) and the heating bin (12) with each other, the first through hole (111) is provided at a lower portion of the bin body (1), the second through hole (112) is provided at an upper portion of the bin body (1), a return air duct (9) and an air inlet duct (8) are provided in the heating bin (12), an air outlet of the fan (6) and an air inlet of the air inlet duct (8) are both connected to the first through hole (111), an upper surface of the air inlet duct (8) is provided with a plurality of uniformly distributed heating holes, and an air outlet of the return air duct (9) is connected to the second through hole (112).
8. The heating and heat-preserving bin as claimed in any one of claims 1 to 6, wherein a temperature detecting sensor and an alarm are arranged in the heating bin (12), and the temperature detecting sensor is electrically connected with the burner (5) and the alarm.
9. The heating and heat-preserving bin as claimed in any one of claims 1 to 6, wherein the combustion bin (11) is provided with an exhaust device, and the exhaust device comprises a shutter and a filter assembly arranged on the shutter.
10. A heated incubation chamber according to any of claims 1 to 6, characterized in that the chamber body (1) further comprises an equipment chamber (13) adjacent to the heating chamber (12) for storing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011278881.5A CN114507537B (en) | 2020-11-16 | 2020-11-16 | Automatic heating insulation bin of feeding and discharging of asphalt coating barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011278881.5A CN114507537B (en) | 2020-11-16 | 2020-11-16 | Automatic heating insulation bin of feeding and discharging of asphalt coating barrel |
Publications (2)
| Publication Number | Publication Date |
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| CN114507537A true CN114507537A (en) | 2022-05-17 |
| CN114507537B CN114507537B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011278881.5A Active CN114507537B (en) | 2020-11-16 | 2020-11-16 | Automatic heating insulation bin of feeding and discharging of asphalt coating barrel |
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| US5083870A (en) * | 1991-01-18 | 1992-01-28 | Sindelar Robert A | Asphalt plant with segmented drum and zonal heating |
| DE29806788U1 (en) * | 1998-04-15 | 1998-08-13 | Zepter Friedrich | Device for warming up and keeping warm, in particular bitumen |
| CN101560747A (en) * | 2009-05-19 | 2009-10-21 | 南京英达公路养护车制造有限公司 | Asphalt-regenerating mixture heating transport vehicle |
| CN204264744U (en) * | 2014-10-20 | 2015-04-15 | 襄阳九阳防水材料有限公司 | A kind of energy-efficient fast heating asphalt tank |
| CN105603853A (en) * | 2016-02-24 | 2016-05-25 | 吉林省公路机械有限公司 | Novel waste pitch heating device |
| CN206384396U (en) * | 2017-01-14 | 2017-08-08 | 江阴永盛交通工程有限公司 | A kind of bituminous concrete stores thermal insulation barn |
| CN211498363U (en) * | 2019-12-06 | 2020-09-15 | 南京英达公路养护车制造有限公司 | Gas-heated asphalt mixture heating bin |
| CN111829178A (en) * | 2020-07-15 | 2020-10-27 | 深圳市卓宝科技股份有限公司 | Heating and heat-preserving method for asphalt paint bucket |
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2020
- 2020-11-16 CN CN202011278881.5A patent/CN114507537B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5083870A (en) * | 1991-01-18 | 1992-01-28 | Sindelar Robert A | Asphalt plant with segmented drum and zonal heating |
| DE29806788U1 (en) * | 1998-04-15 | 1998-08-13 | Zepter Friedrich | Device for warming up and keeping warm, in particular bitumen |
| CN101560747A (en) * | 2009-05-19 | 2009-10-21 | 南京英达公路养护车制造有限公司 | Asphalt-regenerating mixture heating transport vehicle |
| CN204264744U (en) * | 2014-10-20 | 2015-04-15 | 襄阳九阳防水材料有限公司 | A kind of energy-efficient fast heating asphalt tank |
| CN105603853A (en) * | 2016-02-24 | 2016-05-25 | 吉林省公路机械有限公司 | Novel waste pitch heating device |
| CN206384396U (en) * | 2017-01-14 | 2017-08-08 | 江阴永盛交通工程有限公司 | A kind of bituminous concrete stores thermal insulation barn |
| CN211498363U (en) * | 2019-12-06 | 2020-09-15 | 南京英达公路养护车制造有限公司 | Gas-heated asphalt mixture heating bin |
| CN111829178A (en) * | 2020-07-15 | 2020-10-27 | 深圳市卓宝科技股份有限公司 | Heating and heat-preserving method for asphalt paint bucket |
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|---|---|
| CN114507537B (en) | 2024-01-30 |
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