CN115305785A - Coding type color stone-breaking and spreading machine - Google Patents
Coding type color stone-breaking and spreading machine Download PDFInfo
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- CN115305785A CN115305785A CN202211074084.4A CN202211074084A CN115305785A CN 115305785 A CN115305785 A CN 115305785A CN 202211074084 A CN202211074084 A CN 202211074084A CN 115305785 A CN115305785 A CN 115305785A
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- 230000007480 spreading Effects 0.000 title description 2
- 238000003892 spreading Methods 0.000 title description 2
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 239000004575 stone Substances 0.000 claims abstract description 54
- 238000005507 spraying Methods 0.000 claims abstract description 38
- 239000003086 colorant Substances 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 20
- 244000173207 Phyllanthus amarus Species 0.000 claims description 8
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process 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
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Images
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
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- 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 a coding type color gravel flatly-paving machine, which comprises: a frame; a traveling mechanism; the gravel conveying mechanism is provided with a plurality of gravel conveying mechanisms, each gravel conveying mechanism comprises a hopper, a conveying pipeline and an electric valve, the hopper is arranged on the frame, an outlet at the bottom of the hopper is connected with a feeding hole of the conveying pipeline, the conveying pipeline is arranged on the frame, and the electric valves are arranged on the conveying pipeline and close to a discharging 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 the crushed stone from a certain conveying pipeline onto the ground; the flattening mechanism is used for uniformly paving the crushed stones sprayed out of 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 controls the corresponding electric valve to be opened according to the position information and by combining with a preset laying path in the controller, so that the stone spraying mechanism sprays gravels with corresponding colors. The invention can replace manpower and realize automatic pavement of the color gravel pavement.
Description
Technical Field
The invention belongs to the technical field of pavement paving equipment, and particularly relates to an encoding type color gravel flatting machine.
Background
The colored macadam is a novel paving material, and compared with a cement pavement and an asphalt pavement, the colored macadam pavement is more environment-friendly and attractive. At present, the color gravel pavement generally adopts a manual paving method, and has the following defects: 1. the manual pavement of the color broken stone is very heavy work, and the color broken stone has high density and heavy weight, so that the workload is very high, the efficiency is extremely low, and the physical strength of workers is very consumed; 2. the pavement paved by manpower is difficult to ensure the even pavement of broken stones and the smoothness of the pavement.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a coding type color gravel flatly-laying machine, which can replace manpower, realize automatic laying of color gravel road surfaces, improve production efficiency, and simultaneously ensure uniformity of gravel laying and flatness of road surfaces.
The technical scheme adopted by the invention for solving the technical problem is as follows:
an encoded color stone breaker spreader comprising: a frame; the traveling mechanism is arranged below the frame; the gravel conveying mechanisms comprise a plurality of hoppers, conveying pipelines and electric valves, the hoppers are arranged on the frame, outlets at the bottoms 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 are 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 the crushed stone from a certain conveying pipeline onto the ground; the flattening mechanism is arranged below the frame and is used for uniformly paving the crushed stones sprayed out of the stone spraying mechanism on the ground; the encoder is arranged on the frame and used for returning the current position information of the stone spraying mechanism; and the controller is arranged on the frame and is electrically connected with the encoder and the electric valves of all the gravel conveying mechanisms, and the controller controls the corresponding electric valves to be opened according to the current position information of the gravel spraying mechanism returned by the encoder and by combining with the preset laying path of the colored gravel pavement pattern in the controller, so that the gravel spraying mechanism sprays gravels with corresponding colors.
Optionally, the running mechanism is a crawler-type running mechanism.
Optionally, the gravel 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 gravel in the conveying pipeline is driven by the screw conveying main body to move from the feeding hole to the discharging hole under the driving action of the first motor.
Optionally, the stone spraying mechanism comprises a transverse support, a storage cavity and a spraying pipe, the transverse support is arranged on the frame, the storage cavity is arranged on the transverse support 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 the conveying pipelines, the lower end of the storage cavity is connected with the spraying pipe, and the outlet of the spraying pipe is arranged towards the ground.
Optionally, the transverse support includes a second motor and a screw rod, the second motor is mounted on the frame, the screw rod is connected with the second motor, and the storage cavity is connected to the screw rod through threads.
Optionally, the mechanism of flattening is including articulated seat, propelling movement frame, compression roller axle and compression roller, and articulated seat is equipped with two, locates the bottom both sides of frame respectively, and the propelling movement is erect and is equipped with two, and the one end of propelling movement frame is articulated with the articulated seat that corresponds, and its other end is articulated with the tip of compression roller axle, and the compression roller rotates to be installed on the compression roller axle.
Optionally, the number of the gravel conveying mechanisms is 2-8.
Optionally, all the hoppers are integrally formed in a lattice shape.
The invention has the following beneficial effects: the invention provides a machine for paving a colored gravel road surface, which can replace manpower to finish the paving of the colored gravel road surface, wherein workers only need to put gravels with different colors into corresponding hoppers, then pattern data of the colored gravel road surface to be paved is input into a controller, the controller presets a paving path according to the pattern data, when the machine works, a walking mechanism drives a frame to walk, an encoder feeds current position information of a stone spraying mechanism back to the controller, the controller outputs the color of stones to be sprayed out according to the position information and the paving path, and controls an electric valve of a gravel conveying mechanism corresponding to the color to be opened, gravels with specified colors are sprayed out from the stone spraying mechanism, then the gravels are paved on the road surface uniformly by a flattening mechanism, and the paved road surface is flat, and the pattern is clear and beautiful. The invention can automatically lay the color gravel road surface according to the requirement, 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 breaker mat provided by the present invention;
FIG. 2 is a front view of an encoded color stone breaker paver provided in accordance with the present invention;
fig. 3 is a top view of an encoded color stone breaker tile provided by the present invention.
In the figure: 100-a vehicle frame; 200-a running gear; 201-crawler chassis; 300-a gravel conveying mechanism; 301-a hopper; 302-a delivery conduit; 303-an electrically operated valve; 304-a screw conveyor; 400-a stone spraying mechanism; 401-transverse support; 401.1-lead screw; 401.2-fixing frame; 402-a storage chamber; 403-a nozzle; 500-a flattening mechanism; 502-a push frame; 503-a press roll shaft; 504-a compression roller; 600-coder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, 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 obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.
The coded color lithotripter of the present invention is described below in conjunction with fig. 1-3.
As shown in fig. 1 to 3, the present invention provides an encoded color stone breaker spreader, comprising: a frame 100; a traveling mechanism 200 provided below the frame 100; the crushed stone conveying mechanisms 300 are 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 installed on the frame 100, the outlet at the bottom of the hopper 301 is connected with the feeding hole of the conveying pipeline 302, the conveying pipeline 302 is installed on the frame 100, and the electric valve 303 is installed on the conveying pipeline 302 and is close to the discharging hole 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 the crushed stone from one conveying pipeline onto the ground; the flattening mechanism 500 is arranged below the frame 100 and is used for uniformly paving the gravel sprayed out of the stone spraying mechanism 400 on the ground; the encoder 600 is arranged on the frame 100 and used for returning the current position information of the stone spraying mechanism 400; and the controller (not shown in the figure) is arranged on the rack 100 and is electrically connected with the encoder 600 and the electric valves 303 of all the gravel conveying mechanisms, and the controller controls the corresponding electric valves to be opened according to the current position information of the stone spraying mechanism returned by the encoder and the preset laying path of the color gravel road surface pattern in the stone spraying mechanism so that the stone spraying mechanism sprays gravel with corresponding colors.
In one embodiment, as shown in fig. 1-3, the running gear is a crawler running gear, which includes a crawler chassis 201. The crawler running gear is more suitable for running on the un-built natural road, and has the advantages of large supporting area, good off-road maneuverability, no easy slip, etc.
In order to ensure smooth transportation of the crushed stones in the conveying pipeline, the conveying pipeline can be inclined at a certain angle, and in consideration of stability of the conveying pipeline, the conveying pipeline is horizontally arranged on the frame, 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, and drives the crushed stones in the conveying pipeline to move from the feeding port to the discharging port under the driving action of the first motor, and a screw blade on a shaft of the screw conveyor can push the crushed stones to move to the discharging port of the conveying pipeline through arrangement of the screw conveyor. Preferably, the screw conveyor is provided with the speed reducer on the first motor, the speed reducer is connected with the screw shaft through a coupling, crushed stone naturally slides into a 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 reduces the rotating speed of the first motor and simultaneously transmits the power of the first motor to the screw shaft, the screw shaft is driven to rotate, the screw blade is driven to rotate, and the crushed stone is pushed to achieve the conveying purpose.
In one embodiment, as shown in fig. 1-3, the stone spraying mechanism includes a transverse support 401, a storage chamber 402 and a spray pipe 403, the transverse support 401 is disposed on the vehicle frame 100, the storage chamber 402 is slidably disposed on the transverse support 401 along the width direction of the vehicle frame, the upper end of the storage chamber 402 is connected to the discharge ports of all the conveying pipes 302, the lower end of the storage chamber is connected to the spray pipe 403, and the outlet of the spray pipe 403 is disposed toward 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 at a transverse width within range, improve and lay efficiency. Preferably, the transverse bracket 401 includes 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 for mounting the screw rod 401.1 can be mounted at the front end of the frame, the storage cavity 402 is connected to the screw rod in a threaded manner, specifically, the storage cavity is welded to a nut, and the nut is connected to the screw rod in a threaded manner. The second motor is electrically connected with the controller. The second motor starts to drive the screw rod to rotate, the nut transversely translates, the storage cavity translates along with the nut, and the storage cavity slides 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 seats (not shown), two pushing frames 502, two pressure roller shafts 503 and two pressure rollers 504, the two hinge seats are respectively disposed at two sides of the bottom of the vehicle frame, one end of each pushing frame is hinged to the corresponding hinge seat, the other end of each pushing frame is hinged to the end of each pressure roller shaft, and the pressure rollers are rotatably mounted on the pressure roller shafts. When paving, promote the frame and promote the compression roller through the compression roller axle and roll, when ground unevenness, the compression roller can reciprocate when paving the rubble, because the both ends of promoting the frame all adopt articulated, consequently can guarantee the compression roller and contact with ground all the time to pave the rubble evenly, make the road surface level and smooth. Considering that the press roll can rotate during operation, a bearing can be arranged between the press roll shaft and the press roll, and the deep groove ball bearing can be selected as the bearing only bears radial load.
In one embodiment, as shown in fig. 1-3, the number of stone transport mechanisms is determined according to the number of colors of the stones, and is generally set to 2-8.
In one embodiment, as shown in fig. 1-3, all the hoppers are integrally formed in a grid shape, so that the manufacturing and installation cost can be reduced.
The invention will be further explained by taking the laying of a four-color stone road as an example.
As shown in fig. 1-3, the invention comprises a traveling mechanism, a frame, a gravel conveying mechanism, a gravel spraying mechanism, a flattening mechanism, an encoder and a controller, wherein the traveling mechanism adopts a crawler-type traveling mechanism, a crawler chassis of the crawler-type traveling mechanism can be integrally formed with the frame, the gravel conveying mechanism is provided with four hoppers for loading gravel with four different colors, and the electric valve is an electric ball valve. The method comprises the steps that before a tiling machine is started, gravels with different colors are loaded in different hoppers, in the advancing process of the tiling machine, an encoder returns current position information of a stone spraying mechanism, a controller controls a corresponding electric valve to be opened according to the position information and by combining with a laying path of a color gravel road surface pattern preset in the controller, the gravels with corresponding colors naturally flow into a spray pipe along a conveying pipeline, the gravels with corresponding colors can be sprayed out, the gravels are sprayed to the ground after being sprayed out, a press roller uniformly lays the gravels on the road surface, the paved road surface is smooth, the pattern is clear and attractive, after the gravels at the current position are sprayed out, a screw rod rotates to drive the spray pipe to move transversely to the next position, a new round of gravel laying is carried out, and the color gravel is laid according to the pattern requirement.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included in the appended claims.
Claims (8)
1. An encoding type color stone breaker tiling machine, comprising:
a frame;
the traveling mechanism is arranged below the frame;
the gravel conveying mechanism is provided with a plurality of gravel conveying mechanisms, each gravel conveying mechanism comprises a hopper, a conveying pipeline and an electric valve, the hopper is installed on the frame, the outlet at the bottom of the hopper is connected with the feed inlet of the conveying pipeline, the conveying pipeline is installed on the frame, and the electric valve is installed on the frame
The pipeline is close to the discharge port of the pipeline;
the stone spraying mechanism is connected with the discharge ports of all the conveying pipelines and is used for spraying the crushed stone from a certain conveying pipeline onto the ground;
the flattening mechanism is arranged below the frame and used for uniformly paving the crushed stones sprayed out of the stone spraying mechanism on the ground;
the encoder is arranged on the frame and used for returning the current position information of the stone spraying mechanism;
and the controller is arranged on the rack and is electrically connected with the encoder and the electric valves of all the gravel conveying mechanisms, and the controller controls the corresponding electric valves to be opened according to the current position information of the stone spraying mechanism returned by the encoder and by combining with the laying path of the color gravel road surface patterns preset in the controller, so that the stone spraying mechanism sprays gravels with corresponding colors.
2. The encoded color stone breaker tile of claim 1, wherein the traveling mechanism is a crawler-type traveling mechanism.
3. The color stone crusher as claimed in claim 1, wherein the stone conveyor further comprises a screw conveyor, a first motor of the screw conveyor is mounted on the frame, and a screw conveyor body of the screw conveyor is disposed in the conveyor pipe and driven by the first motor to move the stones in the conveyor pipe from the feeding opening to the discharging opening.
4. The color stone-breaking flatting machine of claim 1, wherein the stone-spraying mechanism comprises a transverse support, a storage chamber and a spraying pipe, the transverse support is arranged on the frame, the storage chamber is arranged on the transverse support in a sliding manner along the width direction of the frame, the upper end of the storage chamber is connected with the discharge ports of all the conveying pipelines, the lower end of the storage chamber is connected with the spraying pipe, and the outlet of the spraying pipe faces the ground.
5. The color stone crusher as claimed in claim 4, wherein the horizontal bracket includes a second motor and a lead screw, the second motor is mounted on the frame, the lead screw is connected to the second motor, and the storage chamber is threaded onto the lead screw.
6. The color stone crusher as claimed in claim 1, wherein the flattening mechanism comprises two hinge seats, two pushing frames, two pressing rollers and two pressing rollers, the two hinge seats are respectively disposed on two sides of the bottom of the frame, one end of each pushing frame is hinged to the corresponding hinge seat, the other end of each pushing frame is hinged to the end of the corresponding pressing roller, and the pressing rollers are rotatably mounted on the pressing rollers.
7. The color stone spreader of claim 1, wherein the number of stone conveyors is 2-8.
8. The color stone breaker spreader of claim 1 or 7, wherein all the hoppers are integrally formed in a lattice shape.
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 true CN115305785A (en) | 2022-11-08 |
| CN115305785B CN115305785B (en) | 2024-01-26 |
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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 |
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| Country | Link |
|---|---|
| CN (1) | CN115305785B (en) |
Citations (8)
| 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 |
| US20140120251A1 (en) * | 2012-10-30 | 2014-05-01 | Jeffrey J. Grimm | Paint spraying system |
| 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 |
-
2022
- 2022-09-02 CN CN202211074084.4A patent/CN115305785B/en active Active
Patent Citations (8)
| 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 |
| US20140120251A1 (en) * | 2012-10-30 | 2014-05-01 | Jeffrey J. Grimm | Paint spraying system |
| 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 |
|---|---|
| CN115305785B (en) | 2024-01-26 |
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