CN111270588B - Road paving machine for road construction - Google Patents
Road paving machine for road construction Download PDFInfo
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- CN111270588B CN111270588B CN202010143253.XA CN202010143253A CN111270588B CN 111270588 B CN111270588 B CN 111270588B CN 202010143253 A CN202010143253 A CN 202010143253A CN 111270588 B CN111270588 B CN 111270588B
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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
- 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
- E01C19/22—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 consolidating or finishing laid-down unset materials
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
- E01C19/238—Wetting, cleaning or heating rolling elements, e.g. oiling, wiping, scraping
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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
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a road paver for road construction, which structurally comprises a cab, a vehicle body, a pushing wheel, a rolling wheel and a cleaning mechanism, wherein the cab is arranged above the vehicle body, the rear end of the vehicle body is connected with the pushing wheel, the front end of the vehicle body is connected with the cleaning mechanism, and the rolling wheel is arranged in the middle of the cleaning mechanism; has the advantages that: the rear groups of scraping devices with the same structure are arranged at the front end and the rear end of the rolling wheel, and can independently work according to the clockwise and anticlockwise rotation of the rolling wheel, and the scraping plates on the scraping devices can remove the filtering blocks attached to the surface of the rolling wheel, so that the phenomenon of uneven compaction caused by the fact that the rolling wheel cannot be close to the road surface is prevented.
Description
Technical Field
The invention relates to a road paver for road construction, belonging to the technical field of road construction equipment.
Background
In the construction of urban and rural highways, asphalt concrete is often adopted as a material for paving the road surface between urban and rural roads, after the asphalt concrete is paved, the asphalt concrete can be put into use only after being repeatedly rolled by a paver, the asphalt concrete is often divided into three stages of initial pressure, re-pressure and final pressure, the finishing temperature of the rolling is not lower than 65 ℃, and when the paver repeatedly rolls the asphalt concrete, the following defects exist:
the temperature of the asphalt concrete paved on the road surface is not lower than 110-130 ℃, the viscosity of partial asphalt can be enhanced due to the temperature, and when the paver rolls, asphalt concrete blocks can be attached to the surface of the rolling wheel, and the rolling wheel cannot be close to the road surface due to the fact that the asphalt concrete blocks are not cleaned in time, so that the phenomenon of uneven compaction is caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a road paver for road construction so as to solve the problems.
In order to achieve the purpose, the invention is realized by the following technical scheme: a road paver for road construction structurally comprises a cab, a vehicle body, pushing wheels, rolling wheels and a cleaning mechanism, wherein the cab is arranged above the vehicle body, the pushing wheels are connected to the rear end of the vehicle body, the cleaning mechanism is connected to the front end of the vehicle body, and the rolling wheels are mounted in the middle of the cleaning mechanism;
as preferred, clearance mechanism comprises shape frame, preceding scraping device, back scraping device, air current starter, bearing frame, rotation axis, the rotation axis runs through rolling wheel front end both ends and welds each other, the left and right sides that the rotation axis both ends run through the shape frame is connected with the bearing frame, air current starter sets up for the symmetry, is located all install a set of air current starter on the inside rotation axis of shape frame both sides, preceding scraping device cooperatees with air current starter respectively with back scraping device, preceding scraping device, back scraping device install respectively at the front side and the rear side of returning the shape frame.
Preferably, the front scraping device and the rear scraping device are consistent in structure and symmetrically arranged at the front end and the rear end of the rolling wheel.
As preferred, preceding scraping device comprises preceding scraper blade, first cavity, first gasbag, first trachea, first slide, first pulley, first slide has all been opened on both sides about first cavity, the left and right sides of preceding scraper blade rear end all is connected with first pulley, preceding scraper blade is through first pulley and first slide sliding fit, be equipped with the first gasbag of two symmetries on the preceding scraper blade rear end, first trachea one end link up with first gasbag mutually.
As preferred, back scraping device comprises second trachea, second gasbag, second cavity, back scraper blade, second slide, second pulley, the second slide has all been opened on both sides about the second cavity, the left and right sides of back scraper blade rear end all is connected with the second pulley, the back scraper blade passes through the second slide sliding fit of second pulley and second cavity left and right sides, the second gasbag and the second gasbag that two symmetries all installed at the rear end of back scraper blade link up with second trachea one end mutually.
Preferably, the airflow starter consists of a counter-rotator and a clockwise rotator, the counter-rotator and the clockwise rotator are connected with the rotating shaft, and the clockwise rotator is arranged on the outer side of the counter-rotator.
As preferred, contrary revolver comprises first cover body, first chamber, first vane, first ratchet, first pawl, first rotatory cover and first air outlet, it has first air outlet to open on the right side edge of the first cover body, the first chamber of revolving in the first cover body is equipped with first ratchet, the equidistance welding has first vane more than two on the lateral surface of first ratchet, these the orientation of first vane be anticlockwise distribution, first rotatory cover is fixed at the rotation axis and is equipped with the first pawl of two symmetries, first pawl cooperatees with first ratchet.
As preferred, the in same direction as spiral ware comprises the second cover body, the second revolves chamber, second vane, second ratchet, second pawl, the rotatory cover of second and second air outlet, it has the second air outlet to open on the left side edge of the second cover body, the second cover body inboard is opened has the second to revolve the chamber, install the second ratchet on the second revolves the chamber, the equidistance welding has the second vane more than two on the outside of second ratchet, these the second vane orientation be clockwise distribution in the second revolves the chamber, it cooperatees with the second ratchet to be equipped with the second pawl and the second pawl of two symmetries on the rotatory cover of second.
Preferably, the other end of the first air pipe is communicated with the second air outlet.
Preferably, the other end of the second air pipe is communicated with the first air outlet.
Preferably, the first air bag and the second air bag are consistent in structure, and the maximum expansion and contraction amount of the first air bag and the second air bag is smaller than the sliding distance between the front scraper and the rear scraper and the surface of the grinding wheel, and the value of the maximum expansion and contraction amount is 2 mm.
Advantageous effects
The invention relates to a road paver for road construction, which has the following effects:
the rear groups of scraping devices with the same structure are arranged at the front end and the rear end of the rolling wheel, and can independently work according to the clockwise and anticlockwise rotation of the rolling wheel, and a scraper on the scraping devices can remove a filtering block attached to the surface of the rolling wheel, so that the phenomenon of uneven compaction caused by the fact that the rolling wheel cannot be close to the road surface is prevented;
the invention is characterized in that a pair of counter-rotator and clockwise rotator are arranged at two ends of a rotating shaft on a rolling wheel, when the rolling wheel rolls a filtering road surface forwards, the rolling wheel enables the counter-rotator on the rotating shaft to rotate anticlockwise, the clockwise rotator does not work, a first rotating blade in the counter-rotator generates telescopic air flow for a second air bag, the second air bag drives a rear scraper blade to scrape filtering blocks attached to the surface of the rolling wheel, and the counter-rotator and the clockwise rotator work in the opposite way.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of a road paver for road construction according to the present invention;
FIG. 2 is a schematic top view of a cleaning mechanism according to the present invention;
FIG. 3 is a schematic top sectional view of a cleaning mechanism according to the present invention;
FIG. 4 is a schematic cross-sectional view of a first embodiment of a cleaning mechanism according to the present invention;
FIG. 5 is a schematic cross-sectional view of a second embodiment of a cleaning mechanism according to the present invention;
FIG. 6 is a schematic side view of a derotator according to the present invention;
FIG. 7 is a side view of a cross-section of a spinner according to the present invention.
In the figure: a cab-1, a vehicle body-2, a push wheel-3, a rolling wheel-4, a cleaning mechanism-5, a clip-6, a front scraping device-7, a rear scraping device-8, an air flow starter-9, a bearing seat-10, a rotating shaft-11, a front scraping plate-71, a first cavity-72, a first air bag-73, a first air pipe-74, a first slideway-75, a first pulley-76, a second air pipe-81, a second air bag-82, a second cavity-83, a rear scraping plate-84, a second slideway-85, a second pulley-86, a reverse rotator-a, a forward rotator-b, a first cover-a 1, a first rotating cavity-a 2, a first rotating vane-a 3, a first ratchet-a 5, a first pawl-a 6, The air conditioner comprises a first rotating sleeve-a 7, a first air outlet-a 8, a second cover body-b 1, a second rotating cavity-b 2, a second rotating blade-b 3, a second ratchet-b 5, a second pawl-b 6, a second rotating sleeve-b 7 and a second air outlet-b 8.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 7, the present invention provides a road paver:
as shown in fig. 1 and 2, the structure of the cleaning device comprises a cab 1, a vehicle body 2, a pushing wheel 3, a rolling wheel 4 and a cleaning mechanism 5, wherein the cab 1 is arranged above the vehicle body 2, the pushing wheel 3 is connected to the rear end of the vehicle body 2, the cleaning mechanism 5 is connected to the front end of the vehicle body 2, and the rolling wheel 4 is arranged in the middle of the cleaning mechanism 5;
wherein the cleaning mechanism 5 consists of a return frame 6, a front scraping device 7, a rear scraping device 8, an airflow starter 9, a bearing seat 10 and a rotating shaft 11, the two ends of the rotating shaft 11 penetrate through the rolling wheel 4 and are welded with each other, the two ends of the rotating shaft 11 penetrate through the left side and the right side of the return frame 6 and are connected with the bearing seat 10, the airflow starters 9 are symmetrically arranged, a group of airflow starters 9 are arranged on the rotating shafts 11 positioned inside two sides of the return frame 6, preceding scraping device 7 and back scraping device 8 cooperate with airflow starter 9 respectively, preceding scraping device 7, back scraping device 8 are installed respectively at the front side and the rear side of returning shape frame 6, and rolling wheel 4 rolls to the front and is anticlockwise rotation when rolling, and back scraping device 8 can strike off the filtration piece on its surface, and when backward clockwise rotation rolled, preceding scraping device 7 can clear away its surface.
As shown in fig. 3-5, the front scraping device 7 and the rear scraping device 8 are identical in structure and symmetrically installed at the front and rear ends of the rolling wheel 4.
The front scraping device 7 comprises a front scraping plate 71, a first cavity 72, a first air bag 73, a first air pipe 74, a first slide way 75 and a first pulley 76, wherein the left side and the right side of the first cavity 72 are respectively provided with the first slide way 75, the left side and the right side of the rear end of the front scraping plate 71 are respectively connected with the first pulley 76, the front scraping plate 71 is in sliding fit with the first slide way 75 through the first pulley 76, the rear end of the front scraping plate 71 is provided with the two symmetrical first air bags 73, one end of the first air pipe 74 is communicated with the first air bags 73, and the front scraping plate 71 can be controlled to move forwards and backwards through the expansion and contraction of the first air bags 73.
The rear scraping device 8 is composed of a second air pipe 81, a second air bag 82, a second cavity 83, a rear scraping plate 84, a second slide way 85 and a second pulley 86, the second slide way 85 is arranged on each of the left side and the right side of the second cavity 83, the second pulley 86 is connected to each of the left side and the right side of the rear scraping plate 84, the rear scraping plate 84 is in sliding fit with the second slide ways 85 on the left side and the right side of the second cavity 83 through the second pulley 86, the two symmetrical second air bags 82 are arranged at the rear end of the rear scraping plate 84, the second air bags 82 are communicated with one end of the second air pipe 81, and the second air bags 82 control the rear scraping plate 84 to move forward and backward.
The airflow starter 9 is composed of a reverse rotator a and a forward rotator b, the reverse rotator a and the forward rotator b are connected with the rotating shaft 11, the forward rotator b is installed outside the reverse rotator a, when the rolling wheel 4 rolls the filtered road forward, the rolling wheel 4 enables the reverse rotator a on the rotating shaft 11 to rotate anticlockwise, the forward rotator b does not work, the reverse rotator a provides telescopic airflow for the second air bag 82, and on the contrary, the forward rotator b provides telescopic airflow for the first air bag 73.
As shown in fig. 6 and 7, the contra-rotator a is composed of a first housing a1, a first rotating cavity a2, a first rotating vane a3, a first ratchet wheel a5, a first pawl a6, a first rotating sleeve a7 and a first air outlet a8, the first air outlet a8 is opened on the right side edge of the first housing a1, the first rotating cavity a2 in the first housing a1 is provided with the first ratchet wheel a5, the outer side surface of the first ratchet wheel a5 is welded with more than two first rotating vanes a3 at equal intervals, the orientation of the first rotating vanes a3 is distributed counterclockwise, the first rotating sleeve a7 is fixed on the rotating shaft 11 and is provided with two symmetrical first pawls 6, the first pawl a6 is matched with the first ratchet wheel a5, the rotating shaft 11 rotates counterclockwise to make the first ratchet wheel a5 drive the first ratchet wheel a to rotate, the first air outlet 3 a8 on the first ratchet wheel a enters the second air outlet from the first air pipe 57324 a 5881, providing an inflation flow to the second bladder 82.
Wherein, the clockwise rotator b is composed of a second cover b1, a second rotary cavity b2, a second rotary vane b3, a second ratchet wheel b5, a second pawl b6, a second rotary sleeve b7 and a second air outlet b8, a second air outlet b8 is arranged on the left side edge of the second cover body b1, a second rotary cavity b2 is arranged on the inner side of the second cover body b1, a second ratchet wheel b5 is installed on the second rotary cavity b2, more than two second rotary vanes b3 are welded on the outer side of the second ratchet wheel b5 at equal distance, the second rotary vanes b3 are oriented to be distributed clockwise in the second rotary cavity b2, two symmetrical second pawls b6 are arranged on the second rotary sleeve b7, the second pawls b6 are matched with the second ratchet wheels b5, the second ratchet wheels b5 drive the second rotary vanes b3 to rotate in the second rotary cavity b2 by clockwise rotation of the rotary shaft 11, and the generated airflow enters the first air pipe 74 from the second air outlet b8 to provide an expansion airflow for the first air bag 73.
The other end of the first air tube 74 is communicated with the second air outlet b 8.
The other end of the second air pipe 81 is communicated with the first air outlet a 8.
After the filtered concrete is paved on the road surface, the paver repeatedly rolls the filtered concrete:
when the vehicle body 2 drives the rolling wheel 4 to roll the filtered road surface forwards, the rolling wheel 4 rotates anticlockwise to drive the contra-rotating devices a at two ends of the rotating shaft 11 to rotate, and at the moment, the contra-rotating devices b do not work (the second pawl b6 slides through the tooth backs of the second ratchet wheels b 5); the rotating shaft 11 rotates anticlockwise to enable the first pawl a6 to drive the first ratchet wheel a to rotate, air flow generated by a first rotary vane a3 on the first ratchet wheel a enters the second air pipe 81 from the first air outlet a8 to provide expansion air flow for the second air bag 82, the second air bag 82 expands to eject the rear scraping plate 84 out of the second cavity 83, the distance between the rear scraping plate and the second air bag is 2mm and is just close to the surface of the rolling wheel 4, and filter cakes attached to the surface of the rolling wheel 4 are scraped;
when the vehicle body 2 drives the rolling wheel 4 to repeatedly roll the filtered road surface backwards, the rolling wheel 4 rotates clockwise to drive the clockwise rotators b at two ends of the rotating shaft 11 to rotate, and at the moment, the anticlockwise rotators a do not work (the first pawl a6 slides through the back of teeth on the first ratchet wheel a 5); the rotating shaft 11 enables the second pawl b6 to drive the second rotary vane b3 on the second ratchet wheel b5 to rotate in the second rotary cavity b2 clockwise, the generated air flow enters the first air pipe 74 from the second air outlet b8 to provide expansion air flow for the first air bag 73, the first air bag 73 expands to eject the front scraping plate 71 out of the first cavity 72, the front scraping plate is close to the front end face of the rolling wheel 4, and the attached filter cake on the rolling wheel 4 is scraped.
The foregoing merely illustrates the principles and preferred embodiments of the invention and many variations and modifications may be made by those skilled in the art in light of the foregoing disclosure, which are intended to be within the scope of the invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A road paver for road construction, characterized in that: the structure of the cleaning device comprises a cab (1), a vehicle body (2), a pushing wheel (3), a rolling wheel (4) and a cleaning mechanism (5), wherein the cab (1) is arranged above the vehicle body (2), the pushing wheel (3) is connected to the rear end of the vehicle body (2), the cleaning mechanism (5) is connected to the front end of the vehicle body, and the rolling wheel (4) is arranged in the middle of the cleaning mechanism (5);
the cleaning mechanism (5) is composed of a return frame (6), a front scraping device (7), a rear scraping device (8), airflow starters (9), bearing seats (10) and a rotating shaft (11), wherein the rotating shaft (11) penetrates through the front two ends of the rolling wheel (4) to be welded with each other, the left side and the right side of the rotating shaft (11) penetrating through the return frame (6) are connected with the bearing seats (10), the airflow starters (9) are symmetrically arranged, a group of airflow starters (9) are arranged on the rotating shaft (11) positioned inside the two sides of the return frame (6), the front scraping device (7) and the rear scraping device (8) are respectively matched with the airflow starters (9), and the front scraping device (7) and the rear scraping device (8) are respectively installed on the front side and the rear side of the return frame (6);
the front scraping device (7) and the rear scraping device (8) are consistent in structure and symmetrically arranged at the front end and the rear end of the rolling wheel (4);
the front scraping device (7) is composed of a front scraping plate (71), a first cavity (72), a first air bag (73), a first air pipe (74), a first slide way (75) and a first pulley (76), the first slide way (75) is arranged on each of the left side and the right side of the first cavity (72), the first pulley (76) is connected to each of the left side and the right side of the rear end of the front scraping plate (71), the front scraping plate (71) is in sliding fit with the first slide way (75) through the first pulley (76), the two symmetrical first air bags (73) are arranged at the rear end of the front scraping plate (71), and one end of the first air pipe (74) is communicated with the first air bags (73);
the rear scraping device (8) is composed of a second air pipe (81), a second air bag (82), a second cavity (83), a rear scraping plate (84), a second slide way (85) and a second pulley (86), the second slide way (85) is arranged on each of the left side and the right side of the second cavity (83), the second pulley (86) is connected to each of the left side and the right side of the rear end of the rear scraping plate (84), the rear scraping plate (84) is in sliding fit with the second slide way (85) on each of the left side and the right side of the second cavity (83) through the second pulley (86), the two symmetrical second air bags (82) are arranged at the rear end of the rear scraping plate (84), and the second air bags (82) are communicated with one end of the second air pipe (81);
the airflow starter (9) consists of a reverse rotator (a) and a forward rotator (b), the reverse rotator (a) and the forward rotator (b) are connected with a rotating shaft (11), and the forward rotator (b) is arranged on the outer side of the reverse rotator (a);
the contra-rotating device (a) is composed of a first cover body (a1), a first rotating cavity (a2), a first rotating blade (a3), a first ratchet wheel (a5), a first pawl (a6), a first rotating sleeve (a7) and a first air outlet (a8), wherein the right side edge of the first cover body (a1) is provided with the first air outlet (a8), the first rotating cavity (a2) in the first cover body (a1) is provided with the first ratchet wheel (a5), the outer side surface of the first ratchet wheel (a5) is welded with more than two first rotating blades (a3) at equal intervals, the orientation of the first rotating blades (a3) is distributed anticlockwise, the first rotating sleeve (a7) is fixed on a rotating shaft (11) and is provided with two symmetrical first pawls (a6), and the first pawl (a6) is matched with the first ratchet wheel (a 5).
2. A road paver of claim 1 characterized in that: the clockwise rotation device (b) is composed of a second cover body (b1), a second rotation cavity (b2), a second rotation blade (b3), a second ratchet wheel (b5), a second pawl (b6), a second rotation sleeve (b7) and a second air outlet (b8), the left side edge of the second cover body (b1) is provided with a second air outlet (b8), the inner side of the second cover body (b1) is provided with a second rotation cavity (b2), the second rotation cavity (b2) is provided with the second ratchet wheel (b5), the outer side of the second ratchet wheel (b5) is welded with more than two second rotation blades (b3) at equal distance, the second rotation blades (b3) are distributed in the second rotation cavity (b2) in a clockwise direction, and the second rotation sleeve (b7) is provided with two symmetrical second pawls (b6) and a second pawl (b6) matched with the second rotation blade (b 5).
3. A road paver of claim 1 characterized in that: the other end of the first air pipe (74) is communicated with the second air outlet (b 8).
4. A road paver of claim 1 characterized in that: the other end of the second air pipe (81) is communicated with the first air outlet (a 8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010143253.XA CN111270588B (en) | 2020-03-04 | 2020-03-04 | Road paving machine for road construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010143253.XA CN111270588B (en) | 2020-03-04 | 2020-03-04 | Road paving machine for road construction |
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| Publication Number | Publication Date |
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| CN111270588A CN111270588A (en) | 2020-06-12 |
| CN111270588B true CN111270588B (en) | 2021-08-27 |
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| CN202010143253.XA Active CN111270588B (en) | 2020-03-04 | 2020-03-04 | Road paving machine for road construction |
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| CN208618226U (en) * | 2018-07-13 | 2019-03-19 | 盐城市竹林机械制造有限公司 | A kind of mud scraper for roller |
| CN109530358A (en) * | 2018-11-12 | 2019-03-29 | 耿声俊 | A kind of inner container of electric water heater cleaning device |
| CN109465261A (en) * | 2018-11-21 | 2019-03-15 | 王勤梅 | A kind of energy saving and environment friendly pipe cleaning device |
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| CN111270588A (en) | 2020-06-12 |
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Effective date of registration: 20210812 Address after: 530000 No. 1609, 16 / F, building 3, East, Nanning Qingxiu Wanda Plaza, 118 Dongge Road, Qingxiu District, Nanning, Guangxi Zhuang Autonomous Region Applicant after: Guangxi Guoda Construction Engineering Co.,Ltd. Address before: 100094 Fengde East Road, Yongfeng Industrial base, Haidian District, Beijing Applicant before: Zhuang Keqiang |
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