CN210031428U - Three-steel-wheel road roller capable of improving compaction flatness - Google Patents
Three-steel-wheel road roller capable of improving compaction flatness Download PDFInfo
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- CN210031428U CN210031428U CN201920696943.0U CN201920696943U CN210031428U CN 210031428 U CN210031428 U CN 210031428U CN 201920696943 U CN201920696943 U CN 201920696943U CN 210031428 U CN210031428 U CN 210031428U
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- compaction wheel
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Abstract
The utility model discloses a three steel wheel road roller for improving the compaction flatness, which comprises a roller body and a compaction device; the compaction device comprises a primary compaction wheel, a main compaction wheel, a secondary compaction wheel and a connecting plate; the connecting plate is rigidly connected with the machine body through a connecting component; the primary compaction wheel, the main compaction wheel and the secondary compaction wheel are sequentially arranged between the two connecting plates in the front-back order and are rotationally connected with the connecting plates; the compacting wheels can drive the gear to drive the blades to synchronously rotate; the utility model discloses the operation in-process is just compacted the wheel and is carried out precompression earlier, and main compaction wheel provides main compaction work again and rolls, and inferior compaction wheel supplements the compaction at last, can effectively eliminate the phenomenon of shaking loose and prevent that road bed surface from pushing fissured production, scrapes the synchronous rotation of mud blade and compaction wheel simultaneously, guarantees to adhere to the solid particle on steel wheel surface and can be disposed at the very first time, the road bed surface compaction roughness can be improved greatly to the two-sided advantage.
Description
Technical Field
The utility model relates to a road roller technical field, concretely relates to improve three steel wheel road rollers of compaction roughness.
Background
The road roller is used in engineering machinery to make the rolled layer produce permanent deformation and compact under the action of the gravity of the machinery, and may be used widely in the filling and compacting operation of high grade road, railway, airport runway, dam, stadium and other large engineering projects to roll sandy, semi-viscous and viscous soil, stable roadbed soil and asphalt concrete pavement.
In the process of vibrating and rolling soil bodies, the traditional single-steel-wheel road roller further compacts the soil bodies at the lower part in an affected area along with the increase of rolling times, and the soil bodies at the upper part become loose under the interference of pressure waves of a vibrating wheel, so that the phenomenon of dry density reduction occurs; in addition, the steel wheel is a large-mass rigid body for soil materials, and can generate a pushing effect on soil at the lower part in front and a dragging effect on soil at the lower part in front in the advancing process, so that cracks perpendicular to the advancing direction are generated on a surface layer material after rolling under the combined action of the pushing effect and the dragging effect, and even the mixed filler exposed on the surface is crushed.
Because the roadbed filler is compacted under the state of the optimal water content, the roadbed filler has certain viscosity and adhesiveness, the steel wheels can be adhered with soil, gravels and the like inevitably in the operation process of the traditional road roller, solid particles are adhered to the steel wheels from the roadbed surface, the unevenness of the roadbed surface is directly caused, and meanwhile, the smoothness of the steel wheels is reduced by the adhered solid particles, and the subsequent compacting and flattening quality is adversely affected; therefore, the solid particles attached to the surface of the steel wheel form vicious circle, the compaction flatness of the roadbed is continuously reduced, and the compaction operation quality is influenced.
In conclusion, the traditional single-steel-wheel road roller has many defects, the flatness of the compacted roadbed cannot be guaranteed, and further some detection test results of the roadbed compaction quality can be influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's three steel wheel road rollers for improving compaction roughness, improve the compaction quality simultaneously, be convenient for detect the compaction result.
In order to achieve the above object, the utility model adopts the following technical scheme: it comprises a machine body and a compaction device; the compaction device comprises a primary compaction wheel, a main compaction wheel, a secondary compaction wheel and a connecting plate; the connecting plate is rigidly connected with the machine body through a connecting component; the primary compaction wheel, the main compaction wheel and the secondary compaction wheel are sequentially arranged between the two connecting plates in a front-back order and are rotationally connected with the connecting plates through bolts; the diameters of the primary compaction wheel, the main compaction wheel and the secondary compaction wheel are different; a first distance is arranged between the primary compaction wheel and the main compaction wheel; a second interval is arranged between the main compaction wheel and the secondary compaction wheel; two identical rotating shafts are arranged in the first space and the second space; two ends of the rotating shaft are rotatably connected with the connecting plate; the middle part of each rotating shaft is provided with a plurality of blades which are uniformly distributed in the circumferential direction, and two ends of each rotating shaft are provided with driven gears; two ends of the main compaction wheel are provided with symmetrical fixed shafts; each fixed shaft is provided with a driving gear set; the driving gear set is in transmission connection with the driven gears on the two sides through the conveyor belt;
furthermore, an arched protective shell is arranged above the two connecting plates; the arched protective shell is rigidly connected with the machine body;
furthermore, the primary compaction wheel, the main compaction wheel and the secondary compaction wheel are connected with the outer side contact of the connecting plate in pairs through rigid fixing rods; the three rigid fixing rods form a triangular fixing structure;
furthermore, the primary compaction wheel, the main compaction wheel and the secondary compaction wheel are all arranged along the width direction of the machine body; the lengths of the primary compaction wheel, the main compaction wheel and the secondary compaction wheel are equal; the grinding wheels of the primary compaction wheel, the main compaction wheel and the secondary compaction wheel are all smooth grinding; the diameter of the main compaction wheel is larger than that of the primary compaction wheel, and the diameter of the primary compaction wheel is larger than that of the secondary compaction wheel;
furthermore, the number of the blades on each rotating shaft is six, and the length of each blade is equal to that of the primary compaction wheel, the primary compaction wheel and the secondary compaction wheel; the blade is close to but not contacted with the surface of the primary compaction wheel, the main compaction wheel or the secondary compaction wheel;
furthermore, the driving gear set comprises a first driving gear and a second driving gear; the driving gear II is arranged on the inner side of the driving gear I; the driving gear I is in transmission connection with the driven gear on the front side through the conveyor belt, and the driving gear II is in transmission connection with the driven gear on the rear side through the conveyor belt.
After the structure of the oil adding device is adopted, the three-steel-wheel road roller for improving the compaction flatness has the advantages that:
1. the primary compaction wheel, the main compaction wheel and the secondary compaction wheel are arranged at the same time, and when the compaction device is used, the primary compaction wheel is used for pre-compaction to ensure that the filler on the opposite surface layer reaches a certain compactness; then, strong rolling is carried out through the main compaction wheel, so that the roadbed reaches the required compactness, and the vibration and loosening effect is avoided; finally, supplementary rolling is carried out through the secondary compaction wheel, cracks generated by pushing the surface of the filler by the main compaction wheel are eliminated, and therefore the flatness of roadbed compaction is integrally guaranteed;
2. blades for scraping mud are arranged among the primary compaction wheel, the main compaction wheel and the secondary compaction wheel, so that solid particles attached to the surface of the compaction wheel in the operation process of the road roller are cleaned at the first time, and the compaction flatness and the compaction quality are improved;
3. simple structure, reasonable arrangement, low manufacturing cost and convenient realization and popularization and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the structure and connection relationship of three compacting wheels, rotating shafts and blades;
fig. 3 is a partially enlarged view of a in fig. 2.
Description of reference numerals:
1. a body; 2. a connecting plate; 3. a rigid fixing rod; 4. a bolt; 5. a connecting member; 6. a preliminary compaction wheel; 7. a main compaction wheel; 8. a secondary compaction wheel; 9. an arched protective shell; 10. a driven gear; 11. a driving gear set; 12. a rotating shaft; 13. a fixed shaft; 14. a conveyor belt; 15. a blade; 11-1, a first driving gear; 11-2 and a second driving gear.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example (b): referring to fig. 1-3, a three-drum roller for improving the evenness of compaction comprises a body 1 and a compaction device arranged on the body; the machine body 1 comprises a housing, a cab, tires and a connecting structure; a power source is arranged in the housing, and the power source can be any power source known in the field; a plurality of control devices such as a switch, a steering wheel, an operating rod, a pedal, an electric bell and the like are arranged in the cab; the tire may be made of any polymeric material, such as rubber or the like; the connecting structure is used for ensuring the effective connection of the machine body and the compacting device, so that the steps of the compacting wheel are consistent, and any existing connecting device can be adopted.
The compaction device comprises a primary compaction wheel 6, a main compaction wheel 7, a secondary compaction wheel 8 and two connecting plates 2; the connecting plate 2 is rigidly connected with the machine body 1 through a connecting component 5; the primary compaction wheel 6, the main compaction wheel 7 and the secondary compaction wheel 8 are sequentially arranged between the two connecting plates 2 in a front-back order and are rotationally connected with the connecting plates 2 through bolts 4; an arched protective shell 9 is arranged above the two connecting plates 2; the arched protective shell 9 is rigidly connected with the machine body 1; a certain space is arranged between the arched protective shell 9 and the primary compaction wheel 6, the main compaction wheel 7 and the secondary compaction wheel 9;
the primary compaction wheel 6, the main compaction wheel 7 and the secondary compaction wheel 8 are all arranged along the width direction of the machine body 1; the lengths of the primary compaction wheel 6, the main compaction wheel 7 and the secondary compaction wheel 8 are equal; the grinding wheels of the primary compaction wheel 6, the primary compaction wheel 7 and the secondary compaction wheel 8 are all smooth ground, so that the method has good roadbed surface compaction forming effect, and the adsorption capacity of the surface of the grinding wheel to the solid filler particles is greatly reduced due to the fact that the surface of the grinding wheel is relatively smooth and less uneven parts exist;
in order to achieve the purposes that the primary compaction wheel 6 is pre-compacted, the main compaction wheel 7 provides main compaction work and the secondary compaction wheel 8 is finally leveled with the surface in the operation process of the compaction system, the primary compaction wheel 6, the main compaction wheel 7 and the secondary compaction wheel 8 are respectively set to be different in diameter, and the diameter ratio is 1.414: 3: 1; the main compaction wheel 7 adopts a vibration compaction wheel driven by hydraulic pressure to provide main compaction work; when the machine is used, the machine body 1 transmits power generated by a power source to the connecting plate 2 through the connecting component 5, and the connecting plate 2 transmits the power to the primary compaction wheel 6, the main compaction wheel 7 and the secondary compaction wheel 8 through the bolts 4, so that the three compaction wheels move forwards together;
the diameters of the primary compaction wheel 6, the primary compaction wheel 7 and the secondary compaction wheel 8 are different, so that the three bolts 4 respectively connected with the connecting plate 2 by the primary compaction wheel 6, the primary compaction wheel 7 and the secondary compaction wheel 8 are positioned on different horizontal lines at the outer side of the connecting plate, in order to prevent the power of the road roller from forming bending moment on the bolts 4 in the operation process and influencing the rigidity of the connecting plate 2, three rigid fixing rods 3 are arranged at the outer side of the connecting plate 2, so that the three bolts 4 are connected in pairs to form a triangular fixing form, and the influence of the bending moment on the connecting plate is reduced;
in order to prevent the mutual friction generated by the close distance between the primary compaction wheel 6, the main compaction wheel 7 and the secondary compaction wheel 8, or the mutual friction generated by the diameter increase of the steel wheel by the solid particles attached to the surface of the compaction wheels, or the phenomenon that the volume of a compaction device exceeds the volume of a machine body by a certain proportion due to the overlarge distance between the primary compaction wheel 6, the main compaction wheel 7 and the secondary compaction wheel 8, so that the power use efficiency of the machine is reduced and other phenomena of retarding the normal power operation of the machine are generated, the distance between the primary compaction wheel 6, the main compaction wheel 7 and the secondary compaction wheel 8 is set to be a reasonable distance;
a first distance is arranged between the primary compaction wheel 6 and the main compaction wheel 7; a second interval is arranged between the main compaction wheel 7 and the secondary compaction wheel 8; two identical rotating shafts 12 are arranged in the first space and the second space; two ends of the rotating shaft 12 are rotatably connected with the connecting plate 2; the middle part of each rotating shaft 12 is provided with a plurality of blades 15 which are uniformly distributed in the circumferential direction, and two ends of each rotating shaft 12 are provided with driven gears 10; two ends of the main compaction wheel 7 are provided with symmetrical fixed shafts 13; each fixed shaft 13 is provided with a driving gear set 11; the driving gear set 11 is in transmission connection with the driven gears 10 on the front side and the rear side through a transmission belt 14;
six blades 15 are arranged on each rotating shaft 12; in order to ensure that the blades 15 achieve the optimal object of clearing the surface attachments of the compaction wheel, the length of each blade 15 is equal to the lengths of the primary compaction wheel 6, the primary compaction wheel 7 and the secondary compaction wheel 8; the closest position between the blade 15 and the compactor wheel is a position close to, but not touching, the surface of the compactor wheel.
Because the driven gears 10 on the front side and the driven gears 11 on the rear side are not on the same horizontal line plane, in order to achieve the purpose that the driven gears 10 on the front side and the driven gears on the rear side are driven by the driving gear set 11 to rotate simultaneously, the driving gear set 11 comprises a driving gear I11-1 and a driving gear II 11-2; the driving gear II 11-2 is arranged on the inner side of the driving gear I11-1; the driving gear I11-1 and the driving gear II 11-2 are separated by a small distance and are connected to the same fixed shaft 13, and the specifications of the driving gear I11-1, the driving gear II 11-2 and the driven gears 10 at the front side and the rear side are completely the same; the driving gear I11-1 and the front driven gear are arranged in the same vertical plane, and the driving gear II 11-2 and the rear driven gear are arranged in the same vertical plane and are respectively connected by a conveyor belt 14, so that the driving gear set 11 drives the driven gears 10 on the front side and the rear side to rotate together;
the main compaction wheel 7 receives the power transmitted by the connecting plate 2, and when the main compaction wheel advances forwards, the driving gear set 11 is driven to rotate synchronously, the driving gear set 11 drives the driven gears 10 on the front side and the rear side to rotate synchronously through the conveying belt 14, and the driven gears 10 drive the blades 15 to rotate synchronously through the rotating shafts 12, so that the compaction wheel and the blades 15 for scraping mud rotate synchronously.
The specific working process of this embodiment is as follows: a cab of the machine body 1 provides instructions to activate a power source to generate power, the power is transmitted to the connecting plate 2 through the connecting structure and the connecting member 5, the connecting plate 2 transmits the power to the three compaction wheels through the bolts 4, and the compaction wheels start to rotate synchronously; in the compaction process, the primary compaction wheel 6 is pre-compacted to ensure that the filler on the opposite surface layer reaches a certain compactness and the vibration and relaxation effect is eliminated; then the main compaction wheel 7 provides main compaction work to carry out strong vibration rolling so as to enable the roadbed to reach the required compactness; finally, the secondary compaction wheel 8 carries out supplementary compaction to eliminate cracks generated by pushing the surface of the filler by the main compaction wheel 7; meanwhile, the main compaction wheel 7 drives the driving gear set 11 to synchronously rotate through the fixed shaft 13, the driving gear I11-1 and the driving gear II 11-2 respectively drive the driven gears 10 on the front side and the rear side to synchronously rotate through the conveyor belt 14, and further drive the rotating shaft 12 and the blades 15 to synchronously rotate, so that the three compaction wheels and the two blades 15 for scraping mud between the three compaction wheels synchronously rotate, and solid particles attached to the compaction wheels are removed at the first time in the operation process of the road roller; through the working process, the flatness of the compacted roadbed can be greatly improved.
The above description is only for the purpose of illustrating the technical solutions of the present invention, and is not intended to limit other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention, so long as they do not depart from the spirit and scope of the technical solutions of the present invention, they should be covered in the scope of the claims of the present invention.
Claims (6)
1. A three steel wheel road roller for improving the compaction flatness is characterized by comprising a roller body and a compaction device; the compaction device comprises a primary compaction wheel, a main compaction wheel, a secondary compaction wheel and a connecting plate; the connecting plate is rigidly connected with the machine body through a connecting component; the primary compaction wheel, the main compaction wheel and the secondary compaction wheel are sequentially arranged between the two connecting plates in a front-back order and are rotationally connected with the connecting plates through bolts; the diameters of the primary compaction wheel, the main compaction wheel and the secondary compaction wheel are different; a first distance is arranged between the primary compaction wheel and the main compaction wheel; a second interval is arranged between the main compaction wheel and the secondary compaction wheel; two identical rotating shafts are arranged in the first space and the second space; two ends of the rotating shaft are rotatably connected with the connecting plate; the middle part of each rotating shaft is provided with a plurality of blades which are uniformly distributed in the circumferential direction, and two ends of each rotating shaft are provided with driven gears; two ends of the main compaction wheel are provided with symmetrical fixed shafts; each fixed shaft is provided with a driving gear set; the driving gear set is in transmission connection with the driven gears on the two sides through the conveyor belt.
2. A three steel wheel roller for improving compaction flatness according to claim 1, characterised in that an arched casing is arranged above the two connecting plates; the arched protective shell is rigidly connected with the machine body.
3. The three-steel-wheel road roller capable of improving the compaction flatness of claim 1, wherein the primary compaction wheel, the secondary compaction wheel and the outer side contact of the connecting plate are connected in pairs through rigid fixing rods; the three rigid fixing rods form a triangular fixing structure.
4. A three steel wheel roller for improving compaction flatness according to claim 1, characterised in that the primary compaction wheel, the primary compaction wheel and the secondary compaction wheel are all arranged along the width direction of the roller body; the lengths of the primary compaction wheel, the main compaction wheel and the secondary compaction wheel are equal; the grinding wheels of the primary compaction wheel, the main compaction wheel and the secondary compaction wheel are all smooth grinding; the diameter of the main compaction wheel is larger than that of the primary compaction wheel, and the diameter of the primary compaction wheel is larger than that of the secondary compaction wheel.
5. The three-steel-wheel road roller capable of improving the compaction flatness of the claim 1 is characterized in that the number of blades on each rotating shaft is six, and the length of each blade is equal to that of the primary compaction wheel, the primary compaction wheel and the secondary compaction wheel; the blade is adjacent to but not in contact with the surface of the primary compaction wheel, the primary compaction wheel or the secondary compaction wheel.
6. A three steel-wheeled roller as claimed in claim 1, characterised in that the drive gear set includes a first drive gear and a second drive gear; the driving gear II is arranged on the inner side of the driving gear I; the driving gear I is in transmission connection with the driven gear on the front side through the conveyor belt, and the driving gear II is in transmission connection with the driven gear on the rear side through the conveyor belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920696943.0U CN210031428U (en) | 2019-05-16 | 2019-05-16 | Three-steel-wheel road roller capable of improving compaction flatness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920696943.0U CN210031428U (en) | 2019-05-16 | 2019-05-16 | Three-steel-wheel road roller capable of improving compaction flatness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210031428U true CN210031428U (en) | 2020-02-07 |
Family
ID=69365699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920696943.0U Expired - Fee Related CN210031428U (en) | 2019-05-16 | 2019-05-16 | Three-steel-wheel road roller capable of improving compaction flatness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210031428U (en) |
-
2019
- 2019-05-16 CN CN201920696943.0U patent/CN210031428U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 Termination date: 20210516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |