CN115305785B - Coding type color stone crusher - Google Patents
Coding type color stone crusher Download PDFInfo
- Publication number
- CN115305785B CN115305785B CN202211074084.4A CN202211074084A CN115305785B CN 115305785 B CN115305785 B CN 115305785B CN 202211074084 A CN202211074084 A CN 202211074084A CN 115305785 B CN115305785 B CN 115305785B
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- stone
- frame
- conveying
- spraying
- position information
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- 239000004575 stone Substances 0.000 title claims abstract description 108
- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 238000005507 spraying Methods 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 16
- 230000007480 spreading Effects 0.000 claims abstract description 4
- 238000003892 spreading Methods 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 14
- 239000003086 colorant Substances 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4806—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely rollers for consolidating or finishing
- E01C19/482—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely rollers for consolidating or finishing the materials being uncoated stone or similar granular materials, e.g. sand
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention belongs to the technical field of pavement paving equipment, and provides an encoding type color broken stone tiling machine, which comprises: a frame; a walking mechanism; the crushed stone conveying mechanism is provided with a plurality of hoppers, conveying pipelines and electric valves, wherein the hoppers are arranged on the frame, the bottom outlets of the hoppers are connected with the feed inlets of the conveying pipelines, the conveying pipelines are arranged on the frame, and the electric valves are arranged on the conveying pipelines and close to the discharge outlets of the conveying pipelines; the stone spraying mechanism is connected with the discharge ports of all the conveying pipelines and is used for spraying broken stone from a certain conveying pipeline to the ground; the flattening mechanism is used for uniformly spreading broken stones sprayed from the stone spraying mechanism on the ground; the encoder is used for returning the current position information of the stone spraying mechanism; and the controller is used for controlling the opening of the corresponding electric valve according to the position information and combining with a preset paving path in the position information, so that the stone spraying mechanism sprays the crushed stone with the corresponding color. The invention can replace manpower and realize the automatic pavement of the color crushed stone pavement.
Description
Technical Field
The invention belongs to the technical field of pavement paving equipment, and particularly relates to an encoding type color stone crusher.
Background
Colored crushed stone is an emerging paving material, and compared with cement pavement and asphalt pavement, the colored crushed stone pavement is more environment-friendly and attractive. At present, a method for manually paving a color crushed stone pavement is generally adopted, and has the following defects: 1. the artificial pavement of the color broken stone road is a very heavy work, the color broken stone has high density and heavy weight, so that the workload is very high, the efficiency is very low, and the physical strength of workers is very consumed; 2. the pavement paved by manpower is difficult to ensure that broken stones are paved uniformly and the pavement is smooth.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide the coding type color stone crusher which can replace manpower, realize automatic pavement of color stone pavement, improve production efficiency and ensure uniformity of stone pavement and flatness of pavement.
The technical scheme adopted for solving the technical problems is as follows:
an encoded color stone tiling machine comprising: a frame; the travelling mechanism is arranged below the frame; the crushed stone conveying mechanisms are provided with a plurality of crushed stone conveying mechanisms, each crushed stone conveying mechanism comprises a hopper, a conveying pipeline and an electric valve, the hopper is arranged on the frame, the bottom outlet of the hopper is connected with the feed inlet of the conveying pipeline, the conveying pipeline is arranged on the frame, and the electric valve is arranged on the conveying pipeline and is close to the discharge hole of the conveying pipeline; the stone spraying mechanism is connected with the discharge ports of all the conveying pipelines and is used for spraying broken stone from a certain conveying pipeline to the ground; the flattening mechanism is arranged below the frame and used for uniformly spreading broken stones sprayed from the stone spraying mechanism on the ground; the coder is arranged on the frame and used for returning the current position information of the stone spraying mechanism; the controller is arranged on the frame and is electrically connected with the encoder and the electric valves of all the stone-spraying mechanisms, and the controller controls the corresponding electric valves to be opened according to the current position information of the stone-spraying mechanisms returned by the encoder and in combination with the paving paths of the preset color stone pavement patterns in the current position information, so that the stone-spraying mechanisms spray the stone stones with the corresponding colors.
Optionally, the travelling mechanism is a crawler travelling mechanism.
Optionally, the broken stone conveying mechanism further comprises a screw conveyor, a first motor of the screw conveyor is installed on the frame, a screw conveying main body of the screw conveyor is arranged in the conveying pipeline, and the broken stone in the conveying pipeline is driven to move from the feeding hole to the discharging hole under the driving action of the first motor.
Optionally, spout stone mechanism includes horizontal support, stores chamber and spray tube, and horizontal support locates on the frame, stores the chamber and locates on the horizontal support along frame width direction slip, stores the upper end in chamber and all pipeline's discharge gate and is connected, and its lower extreme is connected with the spray tube, and the export of spray tube sets up towards ground.
Optionally, the transverse bracket comprises a second motor and a screw rod, the second motor is installed on the frame, the screw rod is connected with the second motor, and the storage cavity is in threaded connection with the screw rod.
Optionally, flattening mechanism includes articulated seat, promotes frame, roller and compression roller, and articulated seat is equipped with two, locates the bottom both sides of frame respectively, promotes the frame and has two, promotes the one end of frame and articulated seat that corresponds, and its other end is articulated with the tip of roller axle, and the compression roller rotates and installs on the roller axle.
Optionally, the number of the crushed stone conveying mechanisms is 2-8.
Optionally, all hoppers are integrally formed in a grid shape.
The invention has the beneficial effects that: the invention provides a machine for specially paving a color crushed stone pavement, which can replace manpower to finish paving the color crushed stone pavement, workers only need to fill crushed stones with different colors into corresponding hoppers, then pattern data of the color crushed stone pavement to be paved is input into a controller, the controller presets a paving path according to the pattern data, a traveling mechanism drives a frame to travel during operation, an encoder feeds back the current position information of a stone spraying mechanism to the controller, the controller outputs the color of stones to be sprayed according to the position information and the paving path, an electric valve of a crushed stone conveying mechanism corresponding to the color is controlled to be opened, crushed stones with the specified colors are sprayed from the stone spraying mechanism, then the crushed stones are uniformly paved on the pavement through a flattening mechanism, the paved pavement is flat, and the pattern is clear and attractive. The invention can automatically lay colored crushed stone pavements according to the requirements, greatly lightens the workload of workers and improves the laying efficiency.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a perspective view of an encoded color stone tiling machine provided by the present invention;
FIG. 2 is a front view of the coded color stone tiling machine provided by the present invention;
fig. 3 is a top view of the coded color stone tiling machine provided by the invention.
In the figure: 100-frame; 200-a travelling mechanism; 201-a crawler chassis; 300-a crushed stone conveying mechanism; 301-a hopper; 302-a delivery conduit; 303-an electric valve; 304-screw conveyor; 400-a stone spraying mechanism; 401-transverse brackets; 401.1-a screw rod; 401.2-a fixing frame; 402-a storage chamber; 403-spraying pipe; 500-flattening mechanism; 502-pushing the rack; 503-a roll shaft; 504-a press roll; 600-encoder.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality", "a number" or "a plurality" is two or more.
The coded color stone tiling machine of the present invention is described below in conjunction with fig. 1-3.
As shown in fig. 1-3, the present invention provides an encoded color stone tiling machine comprising: a frame 100; the traveling mechanism 200 is arranged below the frame 100; the crushed stone conveying mechanism 300 is provided with a plurality of crushed stone conveying mechanisms, each crushed stone conveying mechanism comprises a hopper 301, a conveying pipeline 302 and an electric valve 303, the hopper 301 is arranged on the frame 100, the bottom outlet of the hopper 301 is connected with the feed inlet of the conveying pipeline 302, the conveying pipeline 302 is arranged on the frame 100, and the electric valve 303 is arranged on the conveying pipeline 302 and is close to the discharge port of the conveying pipeline 302; the stone spraying mechanism 400 is connected with the discharge ports of all the conveying pipelines 302 and is used for spraying broken stone from a certain conveying pipeline to the ground; the flattening mechanism 500 is arranged below the frame 100 and is used for uniformly spreading broken stone sprayed from the stone spraying mechanism 400 on the ground; the encoder 600 is arranged on the frame 100 and is used for returning the current position information of the stone spraying mechanism 400; and a controller (not shown in the figure) which is arranged on the frame 100 and is electrically connected with the encoder 600 and the electric valves 303 of all the crushed stone conveying mechanisms, wherein the controller controls the opening of the corresponding electric valves according to the current position information of the stone spraying mechanism returned by the encoder and the paving path of the preset color crushed stone pavement pattern in the controller, so that the stone spraying mechanism sprays crushed stones with corresponding colors.
In one embodiment, as shown in fig. 1-3, the travelling mechanism is a crawler-type travelling mechanism which comprises a crawler chassis 201. The crawler-type travelling mechanism is more suitable for travelling on an unstructured natural road and has the advantages of large supporting area, good off-road maneuverability, difficulty in slipping and the like.
In order to ensure smooth transportation of crushed stone in the conveying pipeline, the conveying pipeline can be inclined by a certain angle, and the conveying pipeline is horizontally arranged on the frame in consideration of the stability of the conveying pipeline, so in one embodiment, as shown in fig. 1-3, the crushed stone conveying mechanism further comprises a screw conveyor 304, a first motor of the screw conveyor is arranged on the frame 100, a screw conveying main body of the screw conveyor is arranged in the conveying pipeline 302, the crushed stone in the conveying pipeline is driven by the first motor to move from a feed inlet to a discharge outlet, and the screw conveyor is arranged, so that screw blades on the shaft of the screw conveyor can push the crushed stone to move to the discharge outlet of the conveying pipeline. Preferably, the screw conveyor is provided with the speed reducer on the first motor, the speed reducer is connected with the screw shaft through the coupler, crushed stone naturally slides into the feed inlet of the conveying pipeline from the hopper due to gravity, the first motor drives the screw shaft to rotate after being decelerated by the speed reducer, the speed reducer transmits the power of the first motor to the screw shaft while reducing the rotating speed of the first motor, and the screw shaft is driven to rotate so as to drive the screw blade to rotate, so that the crushed stone is pushed to achieve the conveying purpose.
In one embodiment, as shown in fig. 1-3, the stone spraying mechanism comprises a transverse bracket 401, a storage cavity 402 and a spray pipe 403, wherein the transverse bracket 401 is arranged on the frame 100, the storage cavity 402 is arranged on the transverse bracket 401 in a sliding manner along the width direction of the frame, the upper end of the storage cavity 402 is connected with the discharge ports of all conveying pipelines 302, the lower end of the storage cavity is connected with the spray pipe 403, and the outlet of the spray pipe 403 is arranged towards the ground. Through setting up the storage chamber to make it can transversely slide, can increase the width of laying of spray tube, make it lay the rubble in succession in a transverse width scope, improve and lay efficiency. Preferably, the transverse bracket 401 comprises a second motor (not shown) and a screw rod 401.1, the second motor is mounted on the frame, the screw rod 401.1 is connected with the second motor, a fixing frame 401.2 can be mounted at the front end of the frame for mounting the screw rod 401.1, the storage cavity 402 is in threaded connection with the screw rod, specifically, the storage cavity is welded on a nut, and the nut is in threaded connection with the screw rod. The second motor is electrically connected with the controller. The second motor is started to drive the screw rod to rotate, the nut transversely translates, the storage cavity translates along with the screw rod, and the storage cavity can slide back and forth along the width direction of the frame.
In one embodiment, as shown in fig. 1-3, the flattening mechanism 500 includes two hinge bases (not shown), a pushing frame 502, a pressing roller shaft 503 and a pressing roller 504, the hinge bases are respectively disposed on two sides of the bottom of the frame, the pushing frame is two, one end of the pushing frame is hinged with the corresponding hinge base, the other end of the pushing frame is hinged with the end of the pressing roller shaft, and the pressing roller is rotatably mounted on the pressing roller shaft. When paving, the pushing frame pushes the pressing roller to roll through the pressing roller shaft, when the ground is uneven, the pressing roller can move up and down when paving broken stone, and as the two ends of the pushing frame are hinged, the pressing roller can be always contacted with the ground, so that the broken stone is uniformly paved, and the road surface is even. Considering that the press roller rotates during working, a bearing can be arranged between the press roller shaft and the press roller, and a deep groove ball bearing can be selected because the bearing only bears radial load.
In one embodiment, as shown in fig. 1-3, the number of stone delivery mechanisms is determined by the number of colors of the stone, typically 2-8.
In one embodiment, as shown in fig. 1-3, all hoppers are integrally formed in a grid shape, which can reduce manufacturing and installation costs.
The invention will be further described with respect to paving a four-color stone road.
As shown in fig. 1-3, the invention comprises a travelling mechanism, a frame, a broken stone conveying mechanism, a stone spraying mechanism, a flattening mechanism, an encoder and a controller, wherein the travelling mechanism adopts a crawler travelling mechanism, a crawler chassis of the crawler travelling mechanism can be integrally formed with the frame, the broken stone conveying mechanism is provided with four broken stones with four different colors, four hoppers are filled with broken stones with four different colors, and an electric ball valve is selected as an electric valve. Before the tiling machine is started, the gravels with different colors are firstly arranged in different hoppers, in the advancing process of the tiling machine, the encoder returns the current position information of the stone spraying mechanism, the controller controls the corresponding electric valve to be opened according to the position information and combined with the paving path of the preset color gravel pavement pattern in the controller, the gravels with the corresponding colors naturally flow into the spray pipe along the conveying pipeline, the gravels with the corresponding colors can be sprayed out, the gravels are sprayed to the ground after being sprayed out, the press roll uniformly spreads the gravels on the pavement, the paved pavement is smooth, the pattern is clear and attractive, and after the gravels are sprayed out at the current position, the screw rod rotates to drive the spray pipe to transversely move to the next position, and a new round of gravel paving is performed until the color gravel pavement is paved according to the pattern requirement.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the various embodiments of the invention, which should be set forth in the following claims.
Claims (7)
1. An encoded color stone tiling machine, comprising:
a frame;
the travelling mechanism is arranged below the frame;
the crushed stone conveying mechanisms are provided with a plurality of crushed stone conveying mechanisms, each crushed stone conveying mechanism comprises a hopper, a conveying pipeline and an electric valve, the hopper is arranged on the frame, the bottom outlet of the hopper is connected with the feed inlet of the conveying pipeline, the conveying pipeline is arranged on the frame, and the electric valve is arranged on the pipeline and is close to the discharge hole of the pipeline;
the stone spraying mechanism is connected with the discharge ports of all the conveying pipelines and is used for spraying broken stone from a certain conveying pipeline to the ground;
the flattening mechanism is arranged below the frame and used for uniformly spreading broken stones sprayed from the stone spraying mechanism on the ground;
the coder is arranged on the frame and used for returning the current position information of the stone spraying mechanism;
the controller is arranged on the frame and is electrically connected with the encoder and the electric valves of all the stone-spraying mechanisms, and the controller controls the corresponding electric valves to be opened according to the current position information of the stone-spraying mechanisms returned by the encoder and in combination with the paving paths of the preset color stone pavement patterns in the current position information, so that the stone-spraying mechanisms spray the stone with the corresponding colors;
the stone spraying mechanism comprises a transverse bracket, a storage cavity and a spray pipe, wherein the transverse bracket is arranged on the frame, the storage cavity is arranged on the transverse bracket in a sliding manner along the width direction of the frame, the upper end of the storage cavity is connected with the discharge ports of all conveying pipelines, the lower end of the storage cavity is connected with the spray pipe, and the outlet of the spray pipe is arranged towards the ground.
2. The coded color stone tiling machine of claim 1 wherein said running gear is a crawler running gear.
3. The coded color stone tiling machine of claim 1, wherein the stone conveying mechanism further comprises a screw conveyor, a first motor of the screw conveyor is arranged on the frame, and a screw conveying main body of the screw conveyor is arranged in the conveying pipeline and drives stone in the conveying pipeline to move from the feed inlet to the discharge outlet under the driving action of the first motor.
4. A coded color stone tiling machine as claimed in claim 3 wherein said transverse carriage comprises a second motor and a screw mounted to the carriage, said screw being connected to the second motor, said storage chamber being threadably connected to the screw.
5. The coded color stone tiling machine as claimed in claim 1, wherein said flattening mechanism comprises two hinge bases, two pushing frames, a pressing roller shaft and a pressing roller, wherein said hinge bases are respectively arranged on two sides of the bottom of the frame, said pushing frames are respectively arranged on two sides of the bottom of the frame, one end of each pushing frame is hinged with the corresponding hinge base, the other end of each pushing frame is hinged with the end of the pressing roller shaft, and the pressing roller is rotatably mounted on the pressing roller shaft.
6. The coded color stone tiling machine of claim 1 wherein said stone transport means is 2-8 in number.
7. The coded color stone tiling machine of claim 1 or 6 wherein all hoppers are integrally formed in a grid-like pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211074084.4A CN115305785B (en) | 2022-09-02 | 2022-09-02 | Coding type color stone crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211074084.4A CN115305785B (en) | 2022-09-02 | 2022-09-02 | Coding type color stone crusher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115305785A CN115305785A (en) | 2022-11-08 |
| CN115305785B true CN115305785B (en) | 2024-01-26 |
Family
ID=83866457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211074084.4A Active CN115305785B (en) | 2022-09-02 | 2022-09-02 | Coding type color stone crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115305785B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB142640A (en) * | 1919-04-16 | 1920-05-13 | Arthur Rothera | A hand, horse, steam or motor propelled implement or vehicle for uniformly distributing, delivering or spreading chippings, gravel, sand or ashes on newly tarsprayed roads, slippery or other road surfaces |
| GB1483253A (en) * | 1973-08-17 | 1977-08-17 | Komaki S | Application of decorative surface coatings to panels |
| US4390304A (en) * | 1982-04-05 | 1983-06-28 | Crafco, Inc. | Crushed rock applicator mechanism |
| CH703856A2 (en) * | 2010-09-16 | 2012-03-30 | Aaadvanced Technology Gmbh | Method for printing bottom surface on e.g. road slope, to drive race car, in track, involves forming paint points with paint-less intermediate spaces on bottom surface that is provided as asphalt and/or cement surfaces |
| CN111472239A (en) * | 2020-05-07 | 2020-07-31 | 开封大学 | Rubble spreader is used in road construction |
| CN214564250U (en) * | 2021-01-26 | 2021-11-02 | 圣戈尔彩麟(天津)建材科技有限公司 | Color sand color changing device for processing metal color stone roof tiles |
| CN217174266U (en) * | 2021-12-28 | 2022-08-12 | 苏州三正路面工程有限公司 | Colored asphalt laying device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9598826B2 (en) * | 2012-10-30 | 2017-03-21 | Capstan Ag Systems, Inc. | Paint spraying system |
-
2022
- 2022-09-02 CN CN202211074084.4A patent/CN115305785B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB142640A (en) * | 1919-04-16 | 1920-05-13 | Arthur Rothera | A hand, horse, steam or motor propelled implement or vehicle for uniformly distributing, delivering or spreading chippings, gravel, sand or ashes on newly tarsprayed roads, slippery or other road surfaces |
| GB1483253A (en) * | 1973-08-17 | 1977-08-17 | Komaki S | Application of decorative surface coatings to panels |
| US4390304A (en) * | 1982-04-05 | 1983-06-28 | Crafco, Inc. | Crushed rock applicator mechanism |
| CH703856A2 (en) * | 2010-09-16 | 2012-03-30 | Aaadvanced Technology Gmbh | Method for printing bottom surface on e.g. road slope, to drive race car, in track, involves forming paint points with paint-less intermediate spaces on bottom surface that is provided as asphalt and/or cement surfaces |
| CN111472239A (en) * | 2020-05-07 | 2020-07-31 | 开封大学 | Rubble spreader is used in road construction |
| CN214564250U (en) * | 2021-01-26 | 2021-11-02 | 圣戈尔彩麟(天津)建材科技有限公司 | Color sand color changing device for processing metal color stone roof tiles |
| CN217174266U (en) * | 2021-12-28 | 2022-08-12 | 苏州三正路面工程有限公司 | Colored asphalt laying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115305785A (en) | 2022-11-08 |
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