CN111021215A - Road paving is with pitch ration pouring device - Google Patents
Road paving is with pitch ration pouring device Download PDFInfo
- Publication number
- CN111021215A CN111021215A CN201911383160.8A CN201911383160A CN111021215A CN 111021215 A CN111021215 A CN 111021215A CN 201911383160 A CN201911383160 A CN 201911383160A CN 111021215 A CN111021215 A CN 111021215A
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- Prior art keywords
- asphalt
- cavity
- conveying
- machine body
- telescopic cylinder
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- 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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0966—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
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- 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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0966—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
- E01C23/0973—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with liquid or semi-liquid materials, e.g. crack sealants
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to the field of road construction devices, in particular to a quantitative asphalt crack pouring device for road paving, which comprises a machine body, wherein a material storage cavity is formed in the upper part of the machine body, an extrusion conveying cavity and an asphalt mixing cavity are respectively formed in the left side and the right side of the lower part of the machine body, the material storage cavity is also communicated with the extrusion conveying cavity through a feed opening, a plugging component for controlling the opening size of the feed opening is also installed in the machine body, a spiral material conveying component is installed in the extrusion conveying cavity, a heating mixing sealing component is installed in the asphalt mixing cavity, a pressurizer for controlling and pressurizing the asphalt mixing cavity is also installed in the machine body, an asphalt conveying pipe communicated with the bottom of the asphalt mixing cavity is arranged on the side surface of the machine body, and. The invention can quantitatively take and use asphalt, and has good heating, mixing and crack pouring effects and high efficiency.
Description
Technical Field
The invention relates to the field of road construction devices, in particular to a quantitative asphalt crack pouring device for road pavement.
Background
The crack pouring machine belongs to pavement machinery, and is mainly used for preventive maintenance of pavement diseases and prolonging the service life of a pavement because a plurality of cracks always need to be filled later when the asphalt is paved on the pavement or after the pavement is used for a long time.
The existing crack pouring device for road paving cannot quantitatively take asphalt, and has poor heating mixing and crack pouring operation effects and low efficiency. Therefore, in view of the above current situation, there is an urgent need to develop a device for quantitatively pouring cracks in asphalt for road pavement to overcome the shortcomings in the current practical application.
Disclosure of Invention
The embodiment of the invention aims to provide an asphalt quantitative crack pouring device for road pavement, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a quantitative asphalt crack pouring device for road paving comprises a machine body, wherein a material storage cavity is formed in the upper portion of the machine body, an extrusion conveying cavity and an asphalt mixing cavity are formed in the left side and the right side of the lower portion of the machine body respectively, the extrusion conveying cavity and the asphalt mixing cavity are communicated, and the material storage cavity is further communicated with the extrusion conveying cavity through a feed opening; still install in the organism and be used for carrying out the shutoff subassembly of opening size control to the feed opening, the defeated material subassembly of spiral is installed to extrusion conveying intracavity, the hot mix seal subassembly is installed to the pitch mixing intracavity, just hot mix seal subassembly can be right the right-hand member shutoff in extrusion conveying chamber, still install in the organism and be used for controlling the pressor presser to the pitch mixing chamber, the side of organism is equipped with the pitch conveyer pipe with pitch mixing chamber bottom intercommunication, and the crack head is installed to the other end of pitch conveyer pipe.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
1) through the structural arrangement of the plugging assembly, the raw materials in the material storage cavity can be controlled to fall into the extrusion conveying cavity through the feed opening, so that the asphalt can be quantitatively taken;
2) through the structural arrangement of the spiral conveying assembly, the rotary motor works to drive the spiral blades to rotate, so that the asphalt can be controlled, extruded and conveyed, and a certain asphalt crushing and mixing effect is achieved;
3) through the structural arrangement of the heating mixing sealing assembly, the second telescopic cylinder drives the second sealing plate to move rightwards, raw materials in the extrusion conveying cavity can be pushed into the asphalt mixing cavity, then the raw materials are fully stirred in the asphalt mixing cavity through the telescopic action of the second telescopic cylinder and the work of the spiral electric heating wire is controlled, the raw materials in the asphalt mixing cavity can be fully stirred through the stirring rod, and the raw materials in the asphalt mixing cavity are fully heated and melted through the spiral electric heating wire; then, the second sealing plate seals the right end of the extrusion conveying cavity by controlling the extension of the second telescopic cylinder; the asphalt mixing cavity can be pressurized through the operation of the pressurizer, asphalt liquid can be discharged from the crack pouring head by opening the valve, and road crack pouring operation is conveniently carried out through the crack pouring head.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic structural view of a feed delivery shaft and a second telescopic cylinder in an embodiment of the invention.
Fig. 3 is a schematic right-view structural diagram of a hybrid heating seal assembly according to an embodiment of the present invention.
In the figure: 1-a hydraulic power generation device, 2-a pushing frame, 3-a feed opening, 4-a first sealing plate, 5-a chute, 6-a first telescopic cylinder, 7-a feed opening, 8-a storage cavity, 9-a machine body, 10-a pressurizer, 11-an asphalt mixing cavity, 12-a second telescopic cylinder, 13-a crack filling head, 14-a valve, 15-an asphalt conveying pipe, 16-a travelling wheel, 17-a stirring rod, 18-a spiral electric heating wire, 19-a second sealing plate, 20-an extrusion conveying cavity, 21-a spiral blade, 22-a conveying shaft, 23-a rotating motor, 24-a guide cavity and 25-a sealing layer.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1
Referring to fig. 1, in the embodiment of the present invention, a quantitative asphalt crack pouring device for road pavement includes a machine body 9, a material storage cavity 8 is formed at an upper portion of the machine body 9, an extrusion conveying cavity 20 and an asphalt mixing cavity 11 are respectively formed at left and right sides of a lower portion of the machine body 9, the extrusion conveying cavity 20 and the asphalt mixing cavity 11 are arranged in a communicating manner, and the material storage cavity 8 is further communicated with the extrusion conveying cavity 20 through a discharge port 3; still install in the organism 9 and be used for carrying out the shutoff subassembly of opening size control to feed opening 3, install the defeated material subassembly of spiral in the extrusion transport chamber 20, install the hot mix seal subassembly in the pitch mixing chamber 11, just the hot mix seal subassembly can be right the extrusion is carried the right-hand member shutoff of chamber 20, still install in the organism 9 and be used for controlling bellied presser 10 to pitch mixing chamber 11, the side of organism 9 is equipped with the pitch conveyer pipe 15 with 11 bottom intercommunications in pitch mixing chamber, and the crack head 13 is installed to pitch conveyer pipe 15's the other end, carries out the embedment operation through crack head 13.
Further, the bottom of the material storage cavity 8 is provided with a left end which is inclined downwards, the top of the machine body 9 is provided with a feeding hole 6 communicated with the material storage cavity 8, and the feeding hole 6 is used for adding raw material particles; feed opening 3 sets up the left end downside in storage cavity 8, just feed opening 3 and the left end intercommunication of extrusion transport chamber 20, extrusion transport chamber 20 is the cylindrical structure of level setting.
Further, the shutoff subassembly includes first sealing plate 4 and first telescoping cylinder 6, the horizontal flat-open of organism 9 is equipped with spout 5, 5 fit in slides in the spout is equipped with and can carry out the first sealing plate 4 that the opening size was adjusted to feed opening 3, first telescoping cylinder 6 installation is fixed in the first right side that seals plate 4, just first telescoping cylinder 6 is connected with first sealing plate 4, can drive first sealing plate 4 through first telescoping cylinder 6 and remove.
Further, a pushing frame 2 is further mounted on the left side of the machine body 9, and the device is conveniently pushed through the pushing frame 2; a plurality of travelling wheels 16 are further mounted at the bottom of the machine body 9, and the travelling wheels 16 are favorable for movement of the device.
Further, the asphalt conveying pipe 15 is made of high-temperature resistant materials, and a valve 14 is further arranged on the asphalt conveying pipe 15 and used for asphalt discharge control through the valve 14; the crack pouring head 13 is of a conical structure, and the crack pouring head 13 is made of metal materials; the outer surfaces of the seam filling head 13 and the asphalt conveying pipe 15 are both provided with a layer of heat insulation layer, so that the scalding of constructors is avoided.
Example 2
Referring to fig. 1-3, the present embodiment is different from embodiment 1 in that:
in this embodiment, the defeated subassembly of spiral includes rotating electrical machines 23, defeated material axle 22 and helical blade 21, defeated material axle 22 is installed in the middle part of extruding transport chamber 20 along the length direction who extrudees transport chamber 20, and the left end and the sealed rotation of organism 9 of defeated material axle 22 are connected, and the rotating electrical machines 23 of being connected with defeated material axle 22 is still installed to the left end of organism 9, can drive defeated material axle 22 through rotating electrical machines 23 and rotate, the cooperation is installed on the defeated material axle 22 in the extrusion transport chamber 20 and is used for the helical blade 21 of carrying the material to the right, still install a plurality of hemispheres protrudingly (not shown) on the helical blade 21, have certain mixture and crushing effect to pitch.
In this embodiment, the asphalt mixing chamber 11 is a horizontally arranged cylindrical structure, and the asphalt mixing chamber 11 and the extrusion conveying chamber 20 are coaxially arranged, the inner diameter of the asphalt mixing chamber 11 is greater than the inner diameter of the extrusion conveying chamber 20, the heating and mixing seal assembly includes a second sealing plate 19, a stirring rod 17, a spiral heating wire 18 and a second telescopic cylinder 12, the second telescopic cylinder 12 is installed and fixed on the right side of the machine body 9, a piston rod of the second telescopic cylinder 12 hermetically slides into the asphalt mixing chamber 11, the piston rod of the second telescopic cylinder 12 and the asphalt mixing chamber 11 are coaxially arranged, the second sealing plate 19 is installed on the piston rod of the second telescopic cylinder 12 in the asphalt mixing chamber 11, the second sealing plate 19 is a disc-shaped structure, the diameter of the second sealing plate 19 is greater than the inner diameter of the extrusion conveying chamber 20, and a sealing layer 25 is further arranged on the outer ring of the left side of the second sealing plate 19, the sealing effect of the second sealing plate 19 on the right end of the extrusion conveying cavity 20 can be improved through the sealing layer 25; a plurality of puddlers 17 are installed to second telescoping cylinder 12 piston rod downside on second sealing plate 19 right side, puddler 17 looks sideways at the projection and is "A" word shape, and spiral heating wire 18 is installed in the cooperation on puddler 17, can be to pitch intensive mixing through puddler 17, and spiral heating wire 18 can be to pitch intensive heating.
Further, in order to improve the working stability of the feeding shaft 22 and the second telescopic cylinder 12, the piston rod of the second telescopic cylinder 12 is further in sliding connection with the feeding shaft 22 in a matching manner, a guide cavity 24 is formed at the right end of the feeding shaft 22, and the piston rod of the second telescopic cylinder 12 is in sliding connection with the guide cavity 24 in a matching manner.
In this embodiment, the machine body 9 is further provided with an oil power generation device 1, a storage battery and a controller (not shown), the controller is electrically connected with the storage battery, the rotating electrical machine 23, the first telescopic cylinder 6, the pressurizer 10, the second telescopic cylinder 12 and the spiral heating wire 18, the storage battery is further connected with the oil power generation device 1, the oil power generation device 1 is used for storing energy in the storage battery, and the storage battery is used for supplying power to each component.
This road paving uses pitch ration pouring device, when the actual application, has following outstanding advantage:
1) through the structural arrangement of the plugging assembly, raw materials in the material storage cavity 8 can be controlled to fall into the extrusion conveying cavity 20 through the feed opening 3, so that the asphalt can be quantitatively taken;
2) through the structural arrangement of the spiral conveying assembly, the rotary motor 23 works to drive the spiral blade 21 to rotate, so that the asphalt can be controlled, extruded and conveyed, and a certain asphalt crushing and mixing effect is achieved;
3) through the structural arrangement of the heating mixing sealing assembly, the second telescopic cylinder 12 drives the second sealing plate 19 to move rightwards, raw materials in the extrusion conveying cavity 20 can be pushed into the asphalt mixing cavity 11, then the raw materials are stretched and moved through the second telescopic cylinder 12, the spiral heating wire 18 is controlled to work, the raw materials in the asphalt mixing cavity 11 can be fully stirred through the stirring rod 17, and the raw materials in the asphalt mixing cavity 11 are fully heated and melted through the spiral heating wire 18; then, the second telescopic cylinder 12 is controlled to extend, and the second sealing plate 19 seals the right end of the extrusion conveying cavity 20; then, the pressurizer 10 works to pressurize the asphalt mixing cavity 11, the valve 14 is opened to discharge asphalt liquid from the crack pouring head 13, and the crack pouring operation of the road is conveniently carried out through the crack pouring head 13.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (10)
1. The utility model provides a road paving is with pitch ration pouring device, includes organism (9), its characterized in that:
the upper part of the machine body (9) is provided with a material storage cavity (8), the left side and the right side of the lower part of the machine body (9) are respectively provided with an extrusion conveying cavity (20) and an asphalt mixing cavity (11), the extrusion conveying cavity (20) and the asphalt mixing cavity (11) are communicated, and the material storage cavity (8) is also communicated with the extrusion conveying cavity (20) through a feed opening (3);
the machine body (9) is also internally provided with a plugging component for controlling the opening size of the feed opening (3);
a spiral conveying assembly is arranged in the extrusion conveying cavity (20);
a heating mixing sealing assembly is arranged in the asphalt mixing cavity (11), the heating mixing sealing assembly can seal the right end of the extrusion conveying cavity (20), and a pressurizer (10) for controlling pressurization of the asphalt mixing cavity (11) is further arranged in the machine body (9);
and an asphalt conveying pipe (15) communicated with the bottom of the asphalt mixing cavity (11) is arranged on the side surface of the machine body (9), and a crack filling head (13) is installed at the other end of the asphalt conveying pipe (15).
2. The asphalt quantitative crack sealing device for road paving according to claim 1, wherein the bottom of the storage cavity (8) is inclined downwards at the left end, the feed opening (3) is arranged at the lower side of the left end of the storage cavity (8), and the feed opening (3) is communicated with the left end of the extrusion conveying cavity (20).
3. The asphalt quantitative crack sealing device for road paving according to claim 2, wherein the plugging assembly comprises a first sealing plate (4) and a first telescopic cylinder (6), a sliding groove (5) is formed in the machine body (9) in a horizontal manner, the sliding groove (5) is internally matched with the first sealing plate (4) capable of adjusting the opening size of the feed opening (3) in a sliding manner, the first telescopic cylinder (6) is fixedly installed on the right side of the first sealing plate (4), and the first telescopic cylinder (6) is connected with the first sealing plate (4).
4. The asphalt quantitative crack sealing device for road paving according to claim 1, wherein the asphalt conveying pipe (15) is made of high temperature resistant material, and a valve (14) is further arranged on the asphalt conveying pipe (15);
the seam filling head (13) is of a conical structure, and the seam filling head (13) is made of a metal material;
the outer surfaces of the seam filling head (13) and the asphalt conveying pipe (15) are respectively provided with a layer of heat insulation layer.
5. The asphalt quantitative crack sealing device for road paving according to any one of claims 1-4, wherein the spiral material conveying component comprises a rotary motor (23), a material conveying shaft (22) and a spiral blade (21), the material conveying shaft (22) is installed in the middle of the extrusion conveying cavity (20) along the length direction of the extrusion conveying cavity (20), the left end of the material conveying shaft (22) is connected with the machine body (9) in a sealing and rotating manner, the rotary motor (23) connected with the material conveying shaft (22) is further installed at the left end of the machine body (9), the spiral blade (21) used for conveying materials to the right is installed on the material conveying shaft (22) in the extrusion conveying cavity (20) in a matching manner, and a plurality of hemispherical protrusions are further installed on the spiral blade (21).
6. The asphalt quantitative crack sealing device for road paving according to claim 5, wherein the extrusion conveying cavity (20) and the asphalt mixing cavity (11) are both horizontally arranged cylindrical structures, the asphalt mixing cavity (11) and the extrusion conveying cavity (20) are coaxially arranged, and the inner diameter of the asphalt mixing cavity (11) is larger than that of the extrusion conveying cavity (20).
7. The asphalt quantitative crack sealing device for road paving according to claim 6, wherein the heating and mixing sealing assembly comprises a second sealing plate (19), a stirring rod (17), a spiral electric heating wire (18) and a second telescopic cylinder (12), the second telescopic cylinder (12) is fixedly arranged on the right side of the machine body (9), a piston rod of the second telescopic cylinder (12) is hermetically and slidably extended into an asphalt mixing cavity (11), the second sealing plate (19) is arranged on the piston rod of the second telescopic cylinder (12) in the asphalt mixing cavity (11), a plurality of stirring rods (17) are arranged on the lower side of the piston rod of the second telescopic cylinder (12) on the right side of the second sealing plate (19), and the spiral electric heating wire (18) is arranged on the stirring rods (17) in a matching manner.
8. The asphalt quantitative crack sealing device for road paving according to claim 7, wherein the piston rod of the second telescopic cylinder (12) is coaxial with the asphalt mixing cavity (11), the second sealing plate (19) is of a disc-shaped structure, the diameter of the second sealing plate (19) is larger than the inner diameter of the extrusion conveying cavity (20), and the outer ring of the left side of the second sealing plate (19) is further provided with a sealing layer (25).
9. The device for the quantitative pouring of asphalt for road paving according to claim 8, wherein the side projection of the stirring rod (17) is in the shape of an "A".
10. The asphalt quantitative crack sealing device for road paving as claimed in claim 9, wherein the piston rod of the second telescopic cylinder (12) is further in sliding connection with the material conveying shaft (22) in a matching manner, the right end of the material conveying shaft (22) is provided with a guide cavity (24), and the piston rod of the second telescopic cylinder (12) is in sliding connection with the guide cavity (24) in a matching manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911383160.8A CN111021215A (en) | 2019-12-27 | 2019-12-27 | Road paving is with pitch ration pouring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911383160.8A CN111021215A (en) | 2019-12-27 | 2019-12-27 | Road paving is with pitch ration pouring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111021215A true CN111021215A (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911383160.8A Pending CN111021215A (en) | 2019-12-27 | 2019-12-27 | Road paving is with pitch ration pouring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111021215A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008190207A (en) * | 2007-02-05 | 2008-08-21 | Nikko Co Ltd | Melting apparatus for pavement sealing material and waterproof material |
| CN204656368U (en) * | 2015-06-05 | 2015-09-23 | 杭州波欣工程机械有限公司 | A kind of screw mixer |
| CN204841844U (en) * | 2015-08-26 | 2015-12-09 | 上虞市东海化工有限公司 | Comminuted device |
| CN205235811U (en) * | 2015-12-12 | 2016-05-18 | 何玉珍 | Production of pharmaceuticals mixes machine with high -efficient environmental protection |
| CN205975311U (en) * | 2016-08-04 | 2017-02-22 | 云南碧美市政环境工程有限公司 | Pitch laying device |
| CN108301299A (en) * | 2017-12-19 | 2018-07-20 | 山西云度知识产权服务有限公司 | A kind of road construction pavement seam filling device |
| CN207760703U (en) * | 2017-12-28 | 2018-08-24 | 许超 | A kind of highway engineering encapsulating device |
| CN209508155U (en) * | 2018-10-29 | 2019-10-18 | 山东联成化学工业有限公司 | The heating apparatus of rubber modified asphalt |
-
2019
- 2019-12-27 CN CN201911383160.8A patent/CN111021215A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008190207A (en) * | 2007-02-05 | 2008-08-21 | Nikko Co Ltd | Melting apparatus for pavement sealing material and waterproof material |
| CN204656368U (en) * | 2015-06-05 | 2015-09-23 | 杭州波欣工程机械有限公司 | A kind of screw mixer |
| CN204841844U (en) * | 2015-08-26 | 2015-12-09 | 上虞市东海化工有限公司 | Comminuted device |
| CN205235811U (en) * | 2015-12-12 | 2016-05-18 | 何玉珍 | Production of pharmaceuticals mixes machine with high -efficient environmental protection |
| CN205975311U (en) * | 2016-08-04 | 2017-02-22 | 云南碧美市政环境工程有限公司 | Pitch laying device |
| CN108301299A (en) * | 2017-12-19 | 2018-07-20 | 山西云度知识产权服务有限公司 | A kind of road construction pavement seam filling device |
| CN207760703U (en) * | 2017-12-28 | 2018-08-24 | 许超 | A kind of highway engineering encapsulating device |
| CN209508155U (en) * | 2018-10-29 | 2019-10-18 | 山东联成化学工业有限公司 | The heating apparatus of rubber modified asphalt |
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Application publication date: 20200417 |
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