CN110983921A - Plastic runway pushing machine - Google Patents

Plastic runway pushing machine Download PDF

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Publication number
CN110983921A
CN110983921A CN201911317168.4A CN201911317168A CN110983921A CN 110983921 A CN110983921 A CN 110983921A CN 201911317168 A CN201911317168 A CN 201911317168A CN 110983921 A CN110983921 A CN 110983921A
Authority
CN
China
Prior art keywords
machine body
blanking
push away
pushing
plastic runway
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911317168.4A
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Chinese (zh)
Inventor
全会华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Obert High And New Floor Material Technology Co ltd
Original Assignee
Guangdong Obert High And New Floor Material Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Obert High And New Floor Material Technology Co ltd filed Critical Guangdong Obert High And New Floor Material Technology Co ltd
Priority to CN201911317168.4A priority Critical patent/CN110983921A/en
Publication of CN110983921A publication Critical patent/CN110983921A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/48Machines, 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
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/48Machines, 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
    • E01C19/488Machines, 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 rollers for consolidating or finishing combined with tamping, vibrating, pressing or smoothing consolidation or finishing means

Abstract

The invention discloses a plastic runway pushing and paving machine, which comprises a machine body, wherein a walking mechanism is arranged below the machine body, a pushing handle is arranged on one side of the machine body, a blanking mechanism is arranged on the other side of the machine body through a support frame, the blanking mechanism comprises a material box, an open-close board and a vibration blanking device, at least two groups of compacting mechanisms are arranged in the machine body, and a flattening mechanism is arranged in the machine body close to one side of the blanking mechanism; the push paver can realize uniform blanking through the vibration blanking device of the blanking mechanism, is more labor-saving than the traditional manual material pushing and paving, is more uniform in material pushing and paving, can realize independent control of blanking amount through the opening-closing plate, can push and level the blanking through the push-leveling vertical plate and the inclined push block of the push-leveling mechanism, can realize adjustable push-leveling height through the adjusting hole, can utilize the compression roller to repeatedly compress the leveled runway material through the arrangement of a plurality of groups of compression mechanisms, and can improve the pushing and paving compactness of the plastic runway.

Description

Plastic runway pushing machine
Technical Field
The invention relates to the field of pushing machines, in particular to a plastic runway pushing machine.
Background
The plastic runway is used as an athletic runway in the track and field, has the characteristics of good flatness, high compressive strength, proper hardness and elasticity and stable physical performance, is beneficial to the exertion of the speed and the technology of athletes, effectively improves the athletic performance and reduces the injury rate, and the plastic runway paver is a main tool for constructing the plastic runway and is mainly used for the paving operation of various materials of the plastic runway;
when in pushing, firstly, the pushing material is manually poured on the runway, and then the plastic runway pushing machine is used for pushing, so that along with the improvement of science and technology, the living standard of people is improved, the demand of the plastic runway is more and more, the requirement of plastic runway laying cannot be met by manually pouring the pushing material, manpower is wasted, the uniform pouring cannot be ensured, and the construction efficiency is reduced.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a plastic runway paver capable of achieving uniform blanking through a vibration blanking device of a blanking mechanism, which is more labor-saving than a conventional manual paving material, and more uniform in paving, wherein the blanking amount can be independently controlled through an opening plate, the blanking can be leveled through a leveling vertical plate and an inclined push block of the leveling mechanism, the leveling height can be adjusted through an adjusting hole, and the paving material after leveling can be compacted for multiple times by a plurality of sets of compacting mechanisms through compression rollers, so that the paving compactness of the plastic runway can be improved.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme:
a plastic runway pushing and paving machine comprises a machine body, a traveling mechanism, a blanking mechanism, a compacting mechanism and a flattening mechanism, wherein the traveling mechanism is arranged below the machine body, a pushing handle is arranged on one side of the machine body, the blanking mechanism is arranged on the other side of the machine body through a support frame, the blanking mechanism comprises a material box, an opening plate and a vibration blanking device, the material box is arranged on the support frame, a transition opening is arranged below the material box, the opening plate is symmetrically arranged in the transition opening and is in threaded connection with the transition opening, the vibration blanking device is arranged below the transition opening, a discharging opening is arranged below the vibration blanking device, the compacting mechanism is arranged inside the machine body, at least two groups of compacting mechanisms are arranged, the flattening mechanism is arranged in the machine body close to one side of the blanking mechanism, and comprises a mounting plate, a flattening vertical plate, an inclined push block, a side baffle plate, the machine body is characterized in that adjusting holes are formed in two side walls of the machine body and are provided with a plurality of groups, a mounting plate is arranged in each adjusting hole through a positioning bolt, a pushing and leveling vertical plate is arranged on the inner side of the mounting plate, an inclined pushing block is arranged on one side of the pushing and leveling vertical plate, side baffles are arranged on one sides of the pushing and leveling vertical plate and the inclined pushing block, and auxiliary wheels are arranged at the bottoms of the side baffles.
The further improvement lies in that: all be equipped with the fixed orifices on cross the ferry mouth lateral wall and the opening plate, the fixed orifices is equipped with fixing bolt, the opening plate passes through fixing bolt and is connected with crossing the ferry mouth.
The further improvement lies in that: the compaction mechanism comprises a compression roller, a connecting rod and a rotating shaft, the connecting rod is arranged on the inner side wall of the machine body through the rotating shaft, the compression roller is arranged at one end of the connecting rod, and the compression roller is rotatably connected with the connecting rod.
The further improvement lies in that: running gear is including installation piece, crossbeam, limit for width board and walking wheel, the inside below of organism is equipped with the crossbeam, be equipped with the mounting hole on the crossbeam, the mounting hole is equipped with a plurality ofly, be fixed with the installation piece through construction bolt in the mounting hole, the installation piece below is equipped with the walking wheel, the crossbeam both sides are equipped with the limit for width board, the limit for width board also is connected with the mounting hole through construction bolt.
The further improvement lies in that: the vibration blanking device comprises a vibration box, a guide rail, a hydraulic telescopic rod, a connecting plate and a sieve groove, wherein the guide rail is symmetrically arranged in the vibration box, the sieve groove is formed in the guide rail through a sliding block, the connecting plate is arranged on the sliding block, the hydraulic telescopic rod is arranged on the connecting plate, and one end of the hydraulic telescopic rod is fixed to the inner side wall of the vibration box.
The further improvement lies in that: the vibrating box below the sieve tank is symmetrically provided with inclined plates, and the lower ends of the inclined plates are positioned on two sides of the discharge hole.
The further improvement lies in that: one side of the support frame is provided with a support plate, and wheels are arranged below the support plate.
The invention has the beneficial effects that: even blanking can be realized through the vibration doffer of blanking mechanism, it is more laborsaving than traditional artifical push away the shop material, and push away the shop more evenly, independent control can also be realized through the open-close plate to the blanking volume, can push away the flat board and can push away the flat to the blanking through pushing away flat mechanism's the oblique ejector pad, and can also realize pushing away flat height-adjustable through the regulation hole, can utilize the compression roller to carry out compaction many times to the runway material after pushing away the flat through setting up multiunit compacting mechanism, can improve the push away of plastics runway and spread the compactness, through setting up the interval that can realize the walking wheel on the crossbeam with the walking wheel and adjustable, through setting up the limit for width board in the crossbeam both sides, can prescribe a limit to the width of plastics runway, guarantee the laying quality of plastics.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention.
FIG. 2 is a schematic top view of the inventive compactor mechanism.
Fig. 3 is a schematic side view of the structure of the traveling mechanism of the invention.
FIG. 4 is a schematic side view of the blanking mechanism of the present invention.
FIG. 5 is a schematic front view of the vibrating and blanking device of the present invention.
Fig. 6 is a schematic side view of a width limiting plate structure according to the present invention.
Wherein, 1, the body; 2. a push handle; 3. a support frame; 4. a material box; 5. opening and closing the board; 6. a transition port; 7. a discharge port; 8. mounting a plate; 9. pushing the flat plate; 10. an inclined push block; 11. a side dam; 12. an auxiliary wheel; 13. an adjustment hole; 14. positioning bolts; 15. a fixing hole; 16. fixing the bolt; 17. a compression roller; 18. a connecting rod; 19. a rotating shaft; 20. mounting blocks; 21. a cross beam; 22. a width limiting plate; 23. a traveling wheel; 24. mounting holes; 25. a vibration box; 26. a guide rail; 27. a hydraulic telescopic rod; 28. a connecting plate; 29. a screen slot; 30. a slider; 31. a sloping plate; 32. a support plate; 33. and (7) wheels.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the figures 1, 2, 3, 4, 5 and 6, the embodiment provides a plastic runway paver, which comprises a machine body 1, a traveling mechanism, a blanking mechanism, a compacting mechanism and a flattening mechanism, wherein the traveling mechanism is arranged below the machine body 1, a push handle 2 is arranged on one side of the machine body 1, the blanking mechanism is arranged on the other side of the machine body 1 through a support frame 3, the blanking mechanism comprises a material box 4, an opening plate 5 and a vibration blanking device, the material box 4 is arranged on the support frame 3, a transition opening 6 is arranged below the material box 4, the opening plate 5 is symmetrically arranged in the transition opening 6, the opening plate 5 is in threaded connection with the transition opening 6, the vibration blanking device is arranged below the transition opening 6, a discharge opening 7 is arranged below the vibration blanking device, the compacting mechanism is arranged in the machine body 1, at least two groups of compacting mechanisms are arranged, the flattening mechanism is arranged in the machine body 1 close to one side of, push away flat mechanism and include mounting panel 8, push away flat board 9, push away piece 10, side shield 11 and auxiliary wheel 12 to one side, be equipped with regulation hole 13 on 1 both sides wall of organism, regulation hole 13 is equipped with the multiunit, be equipped with mounting panel 8 through gim peg 14 in the regulation hole 13, 8 inboards of mounting panel are equipped with and push away flat board 9, it is equipped with push away piece 10 to one side to push away flat board 9, it is equipped with side shield 11 to push away flat board 9 and push away piece 10 one side to one side, 11 bottoms of side shield are equipped with auxiliary wheel 12.
All be equipped with fixed orifices 15 on 6 lateral walls of ferry-mouth and the opening plate 5, fixed orifices 15 are equipped with fixing bolt 16, opening plate 5 passes through fixing bolt 16 and is connected with ferry-mouth 6.
The compacting mechanism comprises a pressing roller 17, a connecting rod 18 and a rotating shaft 19, the connecting rod 18 is arranged on the inner side wall of the machine body 1 through the rotating shaft 19, the pressing roller 17 is arranged at one end of the connecting rod 18, and the pressing roller 17 is rotatably connected with the connecting rod 18.
Running gear is including installation piece 20, crossbeam 21, limit for width board 22 and walking wheel 23, 1 inside below of organism is equipped with crossbeam 21, be equipped with mounting hole 24 on the crossbeam 21, mounting hole 24 is equipped with a plurality ofly, be fixed with installation piece 20 through construction bolt in the mounting hole 24, installation piece 20 below is equipped with walking wheel 23, crossbeam 21 both sides are equipped with limit for width board 22, limit for width board 22 also is connected with mounting hole 24 through construction bolt.
Vibration doffer includes vibration case 25, guide rail 26, hydraulic telescoping rod 27, connecting plate 28 and sieve groove 29, the inside symmetry of vibration case 25 is equipped with guide rail 26, be equipped with sieve groove 29 through slider 30 on the guide rail 26, be equipped with connecting plate 28 on the slider 30, be equipped with hydraulic telescoping rod 27 on the connecting plate 28, 27 one end of hydraulic telescoping rod is fixed with the 25 inside walls of vibration case.
Inclined plates 31 are symmetrically arranged in the vibration box 25 below the sieve tank 29, and the lower ends of the inclined plates 31 are positioned at two sides of the discharge port 7.
A support plate 32 is arranged on one side of the support frame 3, and wheels 33 are arranged below the support plate 32.
When a plastic track is laid, a pushing material is placed into a material box 4, the blanking amount is controlled by adjusting the position of a plywood 5 in a fixing hole 15 in the side wall of a transition port 6, the blanking falls into a sieve groove 29 of a vibration box 25 from the transition port 6, a hydraulic telescopic rod 27 drives the sieve groove 29 to move back and forth on a guide rail 26 under the action of a sliding block 30, the pushing material is discharged from a discharge port 7 after being subjected to vibration screening by the sieve groove 29, then a pushing and leveling plate 9 and an inclined push block 10 push the pushing material flat, a compression roller 17 of a compaction mechanism compacts the pushing material after being pushed flat, and a side baffle plate 11 and a width limiting plate 22 can realize material blocking in the pushing and laying process.
Even blanking can be realized through the vibration doffer of blanking mechanism, it is more laborsaving than traditional artifical push away the shop material, and push away the shop more evenly, independent control can also be realized through open-close plate 5 to the blanking volume, can push away the flat board 9 and the oblique ejector pad 10 of pushing away through pushing away flat mechanism and can push away the flat, and can also realize pushing away flat height-adjustable through adjusting hole 13, can utilize compression roller 17 to carry out many times compaction to the runway material after pushing away the flat through setting up multiunit compacting mechanism, can improve the push away of plastics runway and spread the degree of compaction, it is adjustable to set up the interval that can realize walking wheel 23 on crossbeam 21 through walking wheel 23, through set up limit for width board 22 in crossbeam 21 both sides, can prescribe a limit to the width of plastics runway, guarantee the quality of laying of plastics runway.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. A plastic runway paver is characterized in that: the automatic blanking machine comprises a machine body (1), a walking mechanism, a blanking mechanism, a compacting mechanism and a flattening mechanism, wherein the walking mechanism is arranged below the machine body (1), a pushing handle (2) is arranged on one side of the machine body (1), the blanking mechanism is arranged on the other side of the machine body (1) through a support frame (3), the blanking mechanism comprises a material box (4), an opening plate (5) and a vibration blanking device, the material box (4) is arranged on the support frame (3), a transition opening (6) is arranged below the material box (4), the opening plate (5) is symmetrically arranged in the transition opening (6), the opening plate (5) is in threaded connection with the transition opening (6), the vibration blanking device is arranged below the transition opening (6), a discharging opening (7) is arranged below the vibration blanking device, the compacting mechanism is arranged inside the machine body (1), the compacting mechanism is at least provided with two groups, the flattening mechanism is arranged in the machine body (1) close to one side, push away flat mechanism and include mounting panel (8), push away flat board (9), push away piece (10), side shield (11) and auxiliary wheel (12) to one side, be equipped with regulation hole (13) on organism (1) both sides wall, regulation hole (13) are equipped with the multiunit, be equipped with mounting panel (8) through gim peg (14) in regulation hole (13), mounting panel (8) inboard is equipped with pushes away flat board (9), it is equipped with push away piece (10) to one side to push away flat board (9), it is equipped with side shield (11) to push away flat board (9) and push away piece (10) one side to one side, side shield (11) bottom is equipped with auxiliary wheel (12).
2. A plastic runway paver according to claim 1 characterized in that: all be equipped with fixed orifices (15) on cross ferry (6) lateral wall and plywood (5), fixed orifices (15) are equipped with fixing bolt (16), plywood (5) are connected with ferry (6) through fixing bolt (16).
3. A plastic runway paver according to claim 1 characterized in that: the compaction mechanism comprises a compression roller (17), a connecting rod (18) and a rotating shaft (19), the connecting rod (18) is arranged on the inner side wall of the machine body (1) through the rotating shaft (19), the compression roller (17) is arranged at one end of the connecting rod (18), and the compression roller (17) is rotatably connected with the connecting rod (18).
4. A plastic runway paver according to claim 1 characterized in that: running gear is including installation piece (20), crossbeam (21), limit for width board (22) and walking wheel (23), organism (1) inside below is equipped with crossbeam (21), be equipped with mounting hole (24) on crossbeam (21), mounting hole (24) are equipped with a plurality ofly, be fixed with installation piece (20) through construction bolt in mounting hole (24), installation piece (20) below is equipped with walking wheel (23), crossbeam (21) both sides are equipped with limit for width board (22), limit for width board (22) also are connected with mounting hole (24) through construction bolt.
5. A plastic runway paver according to claim 1 characterized in that: vibration doffer is including vibrating case (25), guide rail (26), hydraulic telescoping rod (27), connecting plate (28) and sieve groove (29), the inside symmetry of vibrating case (25) is equipped with guide rail (26), be equipped with sieve groove (29) through slider (30) on guide rail (26), be equipped with connecting plate (28) on slider (30), be equipped with hydraulic telescoping rod (27) on connecting plate (28), hydraulic telescoping rod (27) one end is fixed with vibrating case (25) inside wall.
6. A plastic runway paver according to claim 5, characterized in that: inclined plates (31) are symmetrically arranged in the vibration box (25) below the screen groove (29), and the lower ends of the inclined plates (31) are positioned on two sides of the discharge hole (7).
7. A plastic runway paver according to claim 1 characterized in that: support plate (32) are equipped with to support frame (3) one side, backup pad (32) below is equipped with wheel (33).
CN201911317168.4A 2019-12-19 2019-12-19 Plastic runway pushing machine Pending CN110983921A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911317168.4A CN110983921A (en) 2019-12-19 2019-12-19 Plastic runway pushing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911317168.4A CN110983921A (en) 2019-12-19 2019-12-19 Plastic runway pushing machine

Publications (1)

Publication Number Publication Date
CN110983921A true CN110983921A (en) 2020-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911317168.4A Pending CN110983921A (en) 2019-12-19 2019-12-19 Plastic runway pushing machine

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CN (1) CN110983921A (en)

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57151706A (en) * 1981-03-16 1982-09-18 Sumitomo Rubber Ind Rubber chip laying and leveling apparatus for conveyable floor
RU2286250C1 (en) * 2005-04-12 2006-10-27 Государственное образовательное учреждение высшего профессионального образования "Братский государственный университет" Vacuumizing rolling working tool
CN204325881U (en) * 2014-11-27 2015-05-13 赵成龙 A kind of paver
CN107299582A (en) * 2017-07-12 2017-10-27 丁家琪 A kind of municipal works are with mechanical asphaltic road-mix surface course paver vehicle
CN107700322A (en) * 2017-09-28 2018-02-16 金晶 A kind of municipal road galletization processing recycling paves constructing device
CN207210917U (en) * 2017-09-11 2018-04-10 苏州东振路桥工程有限公司 A kind of paver frame
CN108560375A (en) * 2018-05-07 2018-09-21 伊书娥 A kind of road construction paving machine
CN108756184A (en) * 2016-07-23 2018-11-06 薛峰 A kind of pervious surface planisher
CN108867272A (en) * 2018-07-11 2018-11-23 汤程凯 A kind of new road paving device
CN208509581U (en) * 2018-05-15 2019-02-19 刘烨 A kind of uniform fertilizer applicator of blanking
CN208844487U (en) * 2018-07-02 2019-05-10 北京欧亚机械设备股份有限公司 A kind of novel snow melting distributor
CN110004806A (en) * 2019-05-19 2019-07-12 徐江穹 A kind of road and bridge construction stone aggregate roller
CN110080069A (en) * 2019-05-28 2019-08-02 朱建武 A kind of road construction asphalt paving device
CN209338964U (en) * 2018-12-21 2019-09-03 中建鸿腾建设集团有限公司 A kind of ecological permeable landscape Pavement Construction Equipment
CN209584790U (en) * 2018-11-28 2019-11-05 安徽省淮阜路桥工程建设有限公司 Road and bridge construction stone aggregate roller

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57151706A (en) * 1981-03-16 1982-09-18 Sumitomo Rubber Ind Rubber chip laying and leveling apparatus for conveyable floor
RU2286250C1 (en) * 2005-04-12 2006-10-27 Государственное образовательное учреждение высшего профессионального образования "Братский государственный университет" Vacuumizing rolling working tool
CN204325881U (en) * 2014-11-27 2015-05-13 赵成龙 A kind of paver
CN108756184A (en) * 2016-07-23 2018-11-06 薛峰 A kind of pervious surface planisher
CN107299582A (en) * 2017-07-12 2017-10-27 丁家琪 A kind of municipal works are with mechanical asphaltic road-mix surface course paver vehicle
CN207210917U (en) * 2017-09-11 2018-04-10 苏州东振路桥工程有限公司 A kind of paver frame
CN107700322A (en) * 2017-09-28 2018-02-16 金晶 A kind of municipal road galletization processing recycling paves constructing device
CN108560375A (en) * 2018-05-07 2018-09-21 伊书娥 A kind of road construction paving machine
CN208509581U (en) * 2018-05-15 2019-02-19 刘烨 A kind of uniform fertilizer applicator of blanking
CN208844487U (en) * 2018-07-02 2019-05-10 北京欧亚机械设备股份有限公司 A kind of novel snow melting distributor
CN108867272A (en) * 2018-07-11 2018-11-23 汤程凯 A kind of new road paving device
CN209584790U (en) * 2018-11-28 2019-11-05 安徽省淮阜路桥工程建设有限公司 Road and bridge construction stone aggregate roller
CN209338964U (en) * 2018-12-21 2019-09-03 中建鸿腾建设集团有限公司 A kind of ecological permeable landscape Pavement Construction Equipment
CN110004806A (en) * 2019-05-19 2019-07-12 徐江穹 A kind of road and bridge construction stone aggregate roller
CN110080069A (en) * 2019-05-28 2019-08-02 朱建武 A kind of road construction asphalt paving device

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Application publication date: 20200410

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