CN110670434B - Land leveler for paving stable soil of highway base and paving method thereof - Google Patents
Land leveler for paving stable soil of highway base and paving method thereof Download PDFInfo
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- CN110670434B CN110670434B CN201910992601.8A CN201910992601A CN110670434B CN 110670434 B CN110670434 B CN 110670434B CN 201910992601 A CN201910992601 A CN 201910992601A CN 110670434 B CN110670434 B CN 110670434B
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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
- E01C3/00—Foundations for pavings
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
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Abstract
The invention discloses a land leveler for paving stabilized soil of a road base and a paving method thereof, wherein the land leveler comprises: a spreading and stirring part which is arranged at the forefront of the frame body; the spreading and stirring part comprises a spreading plate, a stirring shaft and stirring teeth; the spreading plate is an arc-shaped plate, and the distance between the second end of the spreading plate and the ground is adjustable; the stirring shaft is transversely arranged below the spreading plate, and the stirring teeth rotate along with the rotation of the stirring shaft; the operation control part comprises a cab arranged in the middle of the frame body and a controller arranged in the cab; the controller controls the spreading plate and the stirring teeth; the cement storage part comprises a cement storage cabin arranged at the rear part of the frame body and a discharge hole arranged on the cement storage cabin; the cement storage cabin is arranged into a hollow barrel body with a circular cross section; the barrel body rotates at a constant speed under the control of the controller. The soil paving, cement paving and stirring are integrally completed, so that the construction efficiency is greatly improved, and the labor is saved.
Description
Technical Field
The invention relates to the technical field of highway construction, in particular to a land leveler for paving stabilized soil of a highway base layer and a paving method thereof.
Background
The road is composed of a cushion layer, a base layer and a surface layer, wherein cement stabilized soil is generally adopted to construct a subbase layer in the construction process of the road, particularly the highway, and the existing cement stabilized soil laying method mainly comprises two methods:
1. the road mixing method is characterized in that the soil for construction is firstly paved on a road, then cement with a certain proportion is paved on the soil, then the cement is uniformly stirred, water is added for stirring, and then the cement is compacted. However, the road mixing method is more due to human factors, such as: the quality defects of inaccurate ingredients and uneven mixing are easily generated, so each detail needs to be carefully controlled to ensure that the quality of each step is optimal.
2. The plant mixing method is a construction method for mixing mixed materials in a fixed mixing plant or a movable mixing station, cement stabilized soil mixed materials are intensively mixed by plant mixing equipment such as a forced mixer and the like at a central station, then are transported to a construction site through a dump truck, and finally are spread by a spreader. The influence factor of the mixing station is large, and if the mixing station cannot feed materials in time due to other reasons, the construction progress is greatly influenced.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
It is still another object of the present invention to provide a grader for stabilized soil paving of a road base, which integrally accomplishes soil paving, cement paving and stirring, greatly improves construction efficiency, and saves labor.
In order to achieve the above objects and other objects, the present invention adopts the following technical solutions:
a grader for paving stabilized soil on a road base, comprising a frame body and rollers for supporting and driving the frame body to move, further comprising:
a spreading and stirring part arranged at the forefront of the frame body; the spreading and stirring part comprises a spreading plate, a stirring shaft and stirring teeth; the spreading plate is an arc-shaped plate, a first end of the spreading plate is connected to the frame body, a second end of the spreading plate extends downwards in a mode that the circle center of the spreading plate faces one side of the frame body, and the distance between the second end of the spreading plate and the ground is adjustable; the stirring shaft is transversely arranged below the spreading plate, one ends of the stirring teeth are respectively and uniformly fixed on the outer wall of the stirring shaft at intervals, and the other ends of the stirring teeth radially extend in the direction far away from the stirring shaft and rotate along with the rotation of the stirring shaft;
the operation control part comprises a cab arranged in the middle of the frame body and a controller arranged in the cab; the controller controls the distance between the second end of the spreading plate and the ground and the length of the stirring teeth;
the cement storage part comprises a cement storage cabin arranged at the rear part of the frame body and a discharge hole arranged on the cement storage cabin; the cement storage cabin is arranged to be a hollow barrel body with a circular cross section; the barrel body rotates at a constant speed under the control of the controller; the discharge holes are uniformly distributed on the surface of the barrel body at intervals; the discharge gate sets up to both ends open-ended hourglass hopper-shaped, just the opening of the less one end of discharge gate connect in the staving, the opening of great one end is to keeping away from the direction on staving surface extends.
Preferably, in the grader for paving the stabilized soil on the road base, the paving plate comprises a first plate body, a second plate body and a telescopic motor; the upper end of the first plate body is fixedly connected to the frame body; the first plate body is a hollow plate body with an interlayer inside; the telescopic motor is arranged in the interlayer and controlled by the controller, and the upper end of the second plate body is extended into the interlayer from the lower end of the first plate body and is fixedly connected with an output shaft of the telescopic motor so as to be driven by the telescopic motor to slide along the inner wall of the first plate body.
Preferably, in the land leveler for paving the stabilized soil of the highway base, a row of water spraying ports which are transversely and uniformly arranged are arranged above the first plate body, and an external water source of the water spraying ports is used for spraying water to the front of the frame body.
Preferably, in the land leveler for paving the stabilized soil on the road base, the stirring teeth comprise a cylinder, a first rod body, a second rod body and a tooth body; the cylinder is respectively connected with the stirring shaft and the controller so as to control the air inflation quantity into the stirring shaft by the controller; the second rod body penetrates through the first rod body in a mode of sliding along the inner wall of the first rod body; one end of the second rod body, which is far away from the first rod body, is round; the first rod body is fixedly connected with the stirring shaft and penetrates through a cavity in the stirring shaft; the tooth bodies are arranged in a plurality; the plurality of tooth bodies are equally divided into 2-4 stirring layers; each stirring layer consists of 2-4 tooth bodies which are uniformly distributed at intervals and close to one end of the second rod body far away from the first rod body; one end of the tooth body is fixedly connected to the second rod body, and the other end of the tooth body extends in a radial shape in a direction far away from the second rod body; and the tooth bodies of two adjacent stirring layers are arranged on the outer wall of the second rod body in a staggered manner.
Preferably, in the land leveler for paving the road base stabilized soil, the tooth body is arranged in a manner of inclining towards one end of the second rod body close to the first rod body, and an included angle between the tooth body and the second rod body is 45-90 degrees; the included angles between the tooth bodies positioned on the same stirring layer and the second rod body are the same; and the included angle between the tooth body and the second rod body is reduced along with the increase of the distance between the second rod body and the end, far away from the first rod body, of the second rod body.
Preferably, in the land leveler for paving the stabilized soil of the road base, two rollers positioned at the rear part of the frame body are detachably provided with connecting rods; the first end of the connecting rod is connected to any side of the center of the roller; the second end of the connecting rod is eccentrically connected to two end faces of the rolling wheel.
Preferably, in the land leveler for paving the road base stabilized soil, a database and an analysis module are arranged in the controller, and a comparison table of soil amount and cement amount in unit volume for different mixing rates is stored in the database; the analysis module is connected with the database, calculates the soil consumption according to the input road parameters, and calls corresponding cement amount from the database according to the soil consumption; then respectively controlling the distance between the second end of the spreading plate and the ground and the length of the stirring teeth according to the road parameters; finally, controlling the rotating speed of the barrel body according to the cement quantity;
wherein the road parameters include: paving width, paving length, and paving thickness.
A method for paving stabilized soil on a road base layer comprises the following steps:
s1, erecting elevation boards on two sides of the road, and marking the design and pavement thickness of the base layer stabilized soil and the thickness to be compacted corresponding to the design and pavement thickness on the elevation boards respectively;
s2, paving the soil with the thickness of 1/3-1/2 to be compacted on the road uniformly by using a land leveler to form a first soil layer;
s3, adjusting the size of a discharge hole of a cement storage cabin of the land scraper according to the soil quantity paved in the S2, and uniformly spreading cement corresponding to the soil quantity on the first soil layer while paving the soil on the land scraper;
s4, adjusting the length of the stirring teeth of the land scraper to be matched with the thickness of the first soil layer, and uniformly stirring the first soil layer and cement by using the stirring teeth after the cement is uniformly spread on the first soil layer to form a first paving layer;
s5, repeating S2-S5 at least 1 time until the formed pavement layer reaches the thickness to be compacted;
s6, after the length of the stirring teeth of the land scraper is adjusted to be matched with the thickness to be compacted, spraying water on the pavement layer and mixing the paved soil and cement again by using the stirring teeth;
and S7, connecting a rolling wheel at the rear of the land scraper, and rolling the soil and the cement mixed by the S6 by using the rolling wheel.
Preferably, in the paving method of the road base layer stabilized soil, each layer of soil layer is compacted after being uniformly paved.
Preferably, in the paving method of the road base stabilized soil, after S7, the method further includes:
and S8, manually checking the rolled pavement, digging the concave position, and filling the cement and soil mixed in proportion to the concave position for compaction.
The invention at least comprises the following beneficial effects:
according to the land leveler for paving the stabilized soil on the road base layer, the paving and stirring part, the operation control part and the cement storage part are sequentially arranged from front to back above the frame body of the land leveler, so that the front paving and stirring part can be used for paving the front soil in the advancing process of the land leveler on a road, the cement in the cement storage part can be automatically paved above a soil layer after being paved, the soil and the cement can be stirred by the paving and stirring part when the land leveler passes through the road leveler again, and finally the stabilized soil layer can be paved by stirring and compacting again after water spraying, so that the soil and the cement can be synchronously paved.
Through setting up the adjustable length of spreading board and stirring tooth for the homoenergetic that paves to the soil layer of different thickness guarantees good effect of paving, and has improved the stirring degree of consistency, thereby further assurance construction quality.
Through the setting of leaking hopper-shaped discharge gate for cement paves coverage bigger, thereby has further improved the stirring degree of consistency.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a block diagram of a grader for stabilized soil paving of a highway base provided by the present invention;
FIG. 2 is a structural view of a rabble tooth provided by the present invention;
fig. 3 is a flow chart of a method for paving stabilized soil on a road base layer provided by the invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.
As shown in fig. 1, a grader for paving stabilized soil on a road base includes a frame body 1 and a roller 2 for supporting and driving the frame body 1 to move, and further includes: a spreading and stirring unit provided at the foremost position of the frame body 1; the paving and stirring part comprises a paving plate 3, a stirring shaft 4 and stirring teeth 5; the spreading plate 3 is an arc-shaped plate, a first end of the spreading plate 3 is connected to the frame body 1, a second end of the spreading plate 3 extends downwards in a mode that the circle center of the spreading plate 3 faces one side of the frame body 1, and the distance between the second end of the spreading plate 3 and the ground is adjustable; the stirring shaft 4 is transversely arranged below the spreading plate 3, one ends of the stirring teeth 5 are respectively and fixedly connected with the outer wall of the stirring shaft 4 at uniform intervals, and the other ends radially extend in the direction away from the stirring shaft 4 and rotate along with the rotation of the stirring shaft 4.
An operation control part which comprises a cab 6 arranged in the middle of the frame body 1 and a controller arranged in the cab 6; the controller controls the distance between the second end of the spreading plate 3 and the ground and the length of the stirring teeth 5.
The cement storage part comprises a cement storage cabin 7 arranged at the rear part of the frame body 1 and a discharge hole 8 arranged on the cement storage cabin 7; the cement storage cabin is arranged to be a hollow barrel body with a circular cross section; the barrel body rotates at a constant speed under the control of the controller; the discharge holes 8 are uniformly distributed on the surface of the barrel body at intervals; discharge gate 8 sets up to both ends open-ended hourglass hopper-shaped, just the opening of the less one end of discharge gate 8 connect in the staving, the opening of great one end is to keeping away from the direction on staving surface extends.
In the above scheme, through the support body top at the leveler set gradually the stirring portion that paves to the back before to, operation control portion and cement storage portion, make the leveler advance the in-process on the road, the place ahead stirring portion that paves can shakeouts the soil in the place ahead, and after shakeouts, the cement of cement storage portion can automatic pave in the soil layer top, and after the leveler passes through once more, can utilize the stirring portion that paves to soil and cement, at last stir the compaction once more after the water spray and can accomplish the laying of stabilizing the soil layer, it goes on in step to have realized paving soil and cement, laying efficiency has been improved compared with prior art, the manual work has been reduced simultaneously.
Through setting up the adjustable length of spreading board and stirring tooth for the homoenergetic that paves to the soil layer of different thickness guarantees good effect of paving, and has improved the stirring degree of consistency, thereby further assurance construction quality.
Through the setting of leaking hopper-shaped discharge gate for cement paves coverage bigger, thereby has further improved the stirring degree of consistency.
In a preferred scheme, the spreading plate 3 comprises a first plate body, a second plate body and a telescopic motor; the upper end of the first plate body is fixedly connected to the frame body 1; the first plate body is a hollow plate body with an interlayer inside; the telescopic motor is arranged in the interlayer and controlled by the controller, and the upper end of the second plate body is extended into the interlayer from the lower end of the first plate body and is fixedly connected with an output shaft of the telescopic motor so as to be driven by the telescopic motor to slide along the inner wall of the first plate body.
In the above scheme, constitute by first plate body, second plate body and flexible motor through setting up the spreading board for flexible motor can drive the inner wall that the second plate body slided along first plate body, thereby control the distance between second plate body and the ground, and then makes the spreading of the soil layer of the suitable corresponding thickness of spreading board.
In a preferred scheme, a row of water spraying ports 9 which are transversely and uniformly arranged are arranged above the first plate body, and the water spraying ports 9 are externally connected with a water source and used for spraying water to the front of the frame body 1.
In the scheme, the water spraying ports are arranged above the first plate body, so that the land leveler can spray water and stir soil and cement in the operation process, and the land leveler is convenient to use when laying stabilized soil.
As shown in fig. 2, in a preferred embodiment, the rabbling tooth 5 comprises a cylinder 10, a first rod 11, a second rod 12 and a tooth body 13; the air cylinder 10 is respectively connected with the stirring shaft 4 and the controller, so that the controller controls the air inflation amount into the stirring shaft 4; the second rod 12 is inserted into the first rod 11 in a manner of sliding along the inner wall of the first rod 11; one end of the second rod body 12, which is far away from the first rod body 11, is round; the first rod body 11 is fixedly connected with the stirring shaft 4 and penetrates through a cavity inside the stirring shaft 4; the tooth body 13 is provided in plurality; the plurality of tooth bodies 13 are equally divided into 2-4 stirring layers; each stirring layer is composed of 2-4 tooth bodies 13 which are uniformly arranged at intervals at one end close to the second rod body 12 and far away from the first rod body 11; one end of the tooth body 13 is fixedly connected to the second rod body 12, and the other end of the tooth body 13 extends in a radial shape in a direction away from the second rod body 12; and the tooth bodies 13 of two adjacent stirring layers are arranged on the outer wall of the second rod body 12 in a staggered manner.
In the scheme, the length of the stirring teeth is controlled through the air cylinder, so that the length of the stirring teeth can adapt to the stirring of a soil layer with corresponding thickness, and the stirring effect is further effectively ensured; through setting up the dentition body into a plurality ofly to the layering sets up, makes each layer stirring layer can carry out abundant upset and the integration with the soil of bottom and the cement on upper strata in stirring process, has further improved the degree of consistency of stirring. In addition, the tip of the second body of rod sets up to circular, can avoid the second body of rod to the destruction on bed course surface to guarantee highway structure's stability.
In a preferable scheme, the tooth body 13 is arranged in a manner of inclining towards the direction of the second rod body 12 close to one end of the first rod body, and an included angle between the tooth body 13 and the second rod body 12 is 45-90 degrees; the included angles between the tooth bodies 13 positioned on the same stirring layer and the second rod body 12 are the same; and the included angle between the tooth body 13 and the second rod body 12 is reduced along with the increase of the distance between the second rod body 12 and the end far away from the first rod body 11.
In the above scheme, through the control of tooth body inclination for the soil of bottom also can come on via the tooth body upset, and simultaneously, the setting of the tooth body of the great angle in second body of rod bottom can alleviate the rotatory resistance of tooth body, and then has saved the energy, has reduced the cost that the leveler used.
In a preferable scheme, the two rollers 2 positioned at the rear part of the frame body 1 are detachably provided with connecting rods 14; the first end of the connecting rod 14 is connected to any side of the center of the roller 2; the second end of the connecting rod 14 is eccentrically connected to both end surfaces of the rolling wheel 15.
In the above scheme, through the eccentric setting of connecting rod for the gyro wheel is rotatory can drive the rotation of the rolling wheel of grader rear connection, and then carries out the compaction to the soil layer of spreading or the stabilized soil after the stirring.
In a preferred scheme, a database and an analysis module are arranged in the controller, and a comparison table of soil amount and cement amount of unit volume aiming at different mixing rates is stored in the database; the analysis module is connected with the database, calculates the soil consumption according to the input road parameters, and calls corresponding cement amount from the database according to the soil consumption; then respectively controlling the distance between the second end of the spreading plate 3 and the ground and the length of the stirring teeth 5 according to the road parameters; and finally, controlling the rotating speed of the barrel body according to the cement quantity.
Wherein the road parameters include: paving width, paving length, and paving thickness.
In the above scheme, through the arrangement of the analysis module and the database in the controller, the controller can flexibly and accurately control the cement consumption and the paving coverage area according to the paving requirement, so that the material using accuracy and the stirring uniformity are ensured.
As shown in fig. 3, a method for paving stabilized soil for a road base includes the following steps:
s1, erecting elevation boards on two sides of the road, and marking the design and pavement thickness of the base layer stabilized soil and the thickness to be compacted corresponding to the design and pavement thickness on the elevation boards respectively;
s2, paving the soil with the thickness of 1/3-1/2 to be compacted on the road uniformly by using a land leveler to form a first soil layer;
s3, adjusting the size of a discharge hole of a cement storage cabin of the land scraper according to the soil quantity paved in the S2, and uniformly spreading cement corresponding to the soil quantity on the first soil layer while paving the soil on the land scraper;
s4, adjusting the length of the stirring teeth of the land scraper to be matched with the thickness of the first soil layer, and uniformly stirring the first soil layer and cement by using the stirring teeth after the cement is uniformly spread on the first soil layer to form a first paving layer;
s5, repeating S2-S5 at least 1 time until the formed pavement layer reaches the thickness to be compacted;
s6, after the length of the stirring teeth of the land scraper is adjusted to be matched with the thickness to be compacted, spraying water on the pavement layer and mixing the paved soil and cement again by using the stirring teeth;
and S7, connecting a rolling wheel at the rear of the land scraper, and rolling the soil and the cement mixed by the S6 by using the rolling wheel.
In the scheme, the soil layer and the cement are paved in a layered mode through the land leveler, the stirring uniformity of the stabilized soil is effectively guaranteed, and therefore the construction road quality is further improved.
In a preferable scheme, compaction treatment is carried out after each layer of soil layer is uniformly paved.
In the above scheme, through carrying out the compaction to every layer of soil layer, can guarantee that the soil layer that finally paves satisfies the design and lays thickness, and then guarantees construction quality.
In a preferred embodiment, after S7, the method further includes: and S8, manually checking the rolled pavement, digging the concave position, and filling the cement and soil mixed in proportion to the concave position for compaction.
In the scheme, the quality of the constructed road is further ensured through manual inspection and recess treatment.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (9)
1. A grader for paving stabilized soil on a road base, comprising a frame body and a roller for supporting and driving the frame body to move, wherein, the grader further comprises:
a spreading and stirring part arranged at the forefront of the frame body; the spreading and stirring part comprises a spreading plate, a stirring shaft and stirring teeth; the spreading plate is an arc-shaped plate, a first end of the spreading plate is connected to the frame body, a second end of the spreading plate extends downwards in a mode that the circle center of the spreading plate faces one side of the frame body, and the distance between the second end of the spreading plate and the ground is adjustable; the stirring shaft is transversely arranged below the spreading plate, one ends of the stirring teeth are respectively and uniformly fixed on the outer wall of the stirring shaft at intervals, and the other ends of the stirring teeth radially extend in the direction far away from the stirring shaft and rotate along with the rotation of the stirring shaft; the stirring teeth comprise air cylinders, first rod bodies, second rod bodies and tooth bodies; the cylinder is respectively connected with the stirring shaft and the controller so as to control the air inflation quantity into the stirring shaft by the controller; the second rod body penetrates through the first rod body in a mode of sliding along the inner wall of the first rod body; one end of the second rod body, which is far away from the first rod body, is round; the first rod body is fixedly connected with the stirring shaft and penetrates through a cavity in the stirring shaft; the tooth bodies are arranged in a plurality; the plurality of tooth bodies are equally divided into 2-4 stirring layers; each stirring layer consists of 2-4 tooth bodies which are uniformly distributed at intervals and close to one end of the second rod body far away from the first rod body; one end of the tooth body is fixedly connected to the second rod body, and the other end of the tooth body extends in a radial shape in a direction far away from the second rod body; the tooth bodies of two adjacent stirring layers are arranged on the outer wall of the second rod body in a staggered mode;
the operation control part comprises a cab arranged in the middle of the frame body and a controller arranged in the cab; the controller controls the distance between the second end of the spreading plate and the ground and the length of the stirring teeth;
the cement storage part comprises a cement storage cabin arranged at the rear part of the frame body and a discharge hole arranged on the cement storage cabin; the cement storage cabin is arranged to be a hollow barrel body with a circular cross section; the barrel body rotates at a constant speed under the control of the controller; the discharge holes are uniformly distributed on the surface of the barrel body at intervals; the discharge gate sets up to both ends open-ended hourglass hopper-shaped, just the opening of the less one end of discharge gate connect in the staving, the opening of great one end is to keeping away from the direction on staving surface extends.
2. The grader for road base grading of claim 1 wherein the spreader plate comprises a first plate, a second plate and a telescopic motor; the upper end of the first plate body is fixedly connected to the frame body; the first plate body is a hollow plate body with an interlayer inside; the telescopic motor is arranged in the interlayer and controlled by the controller, and the upper end of the second plate body is extended into the interlayer from the lower end of the first plate body and is fixedly connected with an output shaft of the telescopic motor so as to be driven by the telescopic motor to slide along the inner wall of the first plate body.
3. The grader for paving stabilized soil on a road base as claimed in claim 2, wherein a row of water spraying nozzles are uniformly arranged in a transverse direction above the first plate body, and the water spraying nozzles are externally connected with a water source for spraying water to the front of the frame body.
4. The grader for paving stabilized soil on a road base according to claim 1, wherein the teeth are disposed in a manner of being inclined toward one end of the second rod adjacent to the first rod, and the angle between the teeth and the second rod is 45-90 °; the included angles between the tooth bodies positioned on the same stirring layer and the second rod body are the same; and the included angle between the tooth body and the second rod body is reduced along with the increase of the distance between the second rod body and the end, far away from the first rod body, of the second rod body.
5. The grader for paving stabilized soil on a road base as claimed in claim 1, wherein the two rollers at the rear of the frame body are detachably provided with connecting rods; the first end of the connecting rod is connected to any side of the center of the roller; the second end of the connecting rod is eccentrically connected to two end faces of the rolling wheel.
6. The grader for stabilized paving of highway base course soil according to claim 1 wherein a database and an analysis module are provided in the controller, the database having stored therein a look-up table of soil amount and cement amount per unit volume for different mixing rates; the analysis module is connected with the database, calculates the soil consumption according to the input road parameters, and calls corresponding cement amount from the database according to the soil consumption; then respectively controlling the distance between the second end of the spreading plate and the ground and the length of the stirring teeth according to the road parameters; finally, controlling the rotating speed of the barrel body according to the cement quantity;
wherein the road parameters include: paving width, paving length, and paving thickness.
7. A method of paving road bed stabilized soil using a grader as in claim 1, comprising the steps of:
s1, erecting elevation boards on two sides of the road, and marking the design and pavement thickness of the base layer stabilized soil and the thickness to be compacted corresponding to the design and pavement thickness on the elevation boards respectively;
s2, paving the soil with the thickness of 1/3-1/2 to be compacted on the road uniformly by using a land leveler to form a first soil layer;
s3, adjusting the size of a discharge hole of a cement storage cabin of the land scraper according to the soil quantity paved in the S2, and uniformly spreading cement corresponding to the soil quantity on the first soil layer while paving the soil on the land scraper;
s4, adjusting the length of the stirring teeth of the land scraper to be matched with the thickness of the first soil layer, and uniformly stirring the first soil layer and cement by using the stirring teeth after the cement is uniformly spread on the first soil layer to form a first paving layer;
s5, repeating S2-S5 at least 1 time until the formed pavement layer reaches the thickness to be compacted;
s6, after the length of the stirring teeth of the land scraper is adjusted to be matched with the thickness to be compacted, spraying water on the pavement layer and mixing the paved soil and cement again by using the stirring teeth;
and S7, connecting a rolling wheel at the rear of the land scraper, and rolling the soil and the cement mixed by the S6 by using the rolling wheel.
8. The method for laying stabilized soil for road base course according to claim 7, wherein the compaction treatment is performed after each soil layer is uniformly laid.
9. The method for paving stabilized soil for road base course as claimed in claim 7, wherein after S7, the method further comprises:
and S8, manually checking the rolled pavement, digging the concave position, and filling the cement and soil mixed in proportion to the concave position for compaction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910992601.8A CN110670434B (en) | 2019-10-18 | 2019-10-18 | Land leveler for paving stable soil of highway base and paving method thereof |
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| CN201910992601.8A CN110670434B (en) | 2019-10-18 | 2019-10-18 | Land leveler for paving stable soil of highway base and paving method thereof |
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| CN110670434B true CN110670434B (en) | 2022-03-18 |
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| CN112458841A (en) * | 2020-11-21 | 2021-03-09 | 韶关市中群建设有限公司 | Land leveler for paving stable soil of highway base and paving method thereof |
| CN116289424B (en) * | 2023-03-22 | 2024-06-21 | 中交第二公路工程局有限公司 | Mud-bonded pebble paving equipment with uniform paving thickness and construction process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105803908A (en) * | 2016-05-06 | 2016-07-27 | 山东农业大学 | Integrated road-mixing solidified soil pavement construction equipment and process |
| CN206486771U (en) * | 2017-01-17 | 2017-09-12 | 湖南华鑫美好公路环境建设有限公司 | It is a kind of to be easy to mobile construction of the highway mixing machine |
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| US10450708B2 (en) * | 2011-09-22 | 2019-10-22 | The Charles Machine Works, Inc. | Trench filling machine |
| CN102912712B (en) * | 2012-11-08 | 2015-06-10 | 河南万里路桥集团有限公司 | Cold-stirring and cold-paving all-in-one machine |
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| CN105803908A (en) * | 2016-05-06 | 2016-07-27 | 山东农业大学 | Integrated road-mixing solidified soil pavement construction equipment and process |
| CN206486771U (en) * | 2017-01-17 | 2017-09-12 | 湖南华鑫美好公路环境建设有限公司 | It is a kind of to be easy to mobile construction of the highway mixing machine |
| CN206721630U (en) * | 2017-04-21 | 2017-12-08 | 嘉兴市鼎宏建设工程有限公司 | A kind of native mixing machine of stabilization |
| CN207748279U (en) * | 2018-01-16 | 2018-08-21 | 湖北田鑫建材有限公司 | A kind of material distributing machine storage bin hopper |
| CN108611940A (en) * | 2018-05-15 | 2018-10-02 | 中铁二十三局集团有限公司 | Regenerating device mixes and stirs the construction of Cement Soil roadbed on a highway |
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| CN110670434A (en) | 2020-01-10 |
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Effective date of registration: 20221212 Address after: 518000 No. 0169 Qianhai Road, Nanshan Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: The Second Construction Company Ltd of China Construction Second Bureau Address before: 214000 No. 299, Zhenghe Avenue, Huishan District, Wuxi City, Jiangsu Province Patentee before: Wang Lihua |