CN211713596U - Double-steel-wheel road roller - Google Patents
Double-steel-wheel road roller Download PDFInfo
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- CN211713596U CN211713596U CN202020114090.8U CN202020114090U CN211713596U CN 211713596 U CN211713596 U CN 211713596U CN 202020114090 U CN202020114090 U CN 202020114090U CN 211713596 U CN211713596 U CN 211713596U
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Abstract
The utility model discloses a two steel wheel road rollers relates to the equipment technical field that repairs roads. The technical key points are as follows: the front end of the frame is provided with a front steel wheel, the rear end of the frame is provided with a rear steel wheel, the frame is provided with an installation platform right above the front steel wheel, the installation platform is provided with a mechanical arm group, the mechanical arm group comprises an articulated shaft horizontally arranged on the installation platform, the length direction of the articulated shaft is parallel to the end surface of the front steel wheel, the articulated shaft is articulated with a bearing arm, the end part of the bearing arm is articulated with a driving arm, and the end part of the driving arm is provided with a side pinch roller; when the pavement layer is pressed by the pressure of the front steel wheel of the road roller, the side pressure wheel presses the edge of the pavement layer to prevent the pavement layer below the front steel wheel from being extruded from the roadside due to the overlarge pressure of the pavement layer, and the frame is provided with a driving assembly driving the bearing arm and the driving arm to move. The utility model has the advantages of prevent that the pavement layer from being extruded limit portion when rolling the roadside.
Description
Technical Field
The utility model relates to a repair road equipment technical field, more specifically say, it relates to a two steel wheel road rollers.
Background
The road roller, also called soil compactor, is a kind of road repairing equipment, belongs to the field of road equipment in engineering machinery, is widely used for the filling compaction operation of large-scale engineering projects such as high-grade highways, railways, airport runways, dams, stadiums, etc., and can compact sandy, semi-viscous and cohesive soil, roadbed stabilizing soil and asphalt concrete pavement layers. The roller is suitable for various compaction operations under the action of the gravity of the machine, so that the compacted layer is permanently deformed and compacted.
The utility model discloses a chinese utility model patent that bullets number is CN206986681U discloses a two steel wheel vibrated roller, and it includes the frame, sets up at the front steel wheel of frame front end and sets up the rear steel wheel at the frame rear end, the front steel wheel top is provided with the front-axle beam, rear steel wheel top is provided with the back beam, the frame top is provided with the cockpit, be provided with the diesel tank between cockpit and the front-axle beam, the diesel tank top is sunken form, the front-axle beam is provided with the preceding watering nozzle of a plurality of, be provided with the radiator between cockpit and the back beam, the back beam is provided with the watering nozzle behind a plurality of. Preferably, the top of the radiator is concave. The sprinkling and wheel surface view of the double-steel-wheel vibratory roller is improved, a worker can conveniently observe the sprinkling and wheel surface conditions of the double-steel-wheel vibratory roller, and the operation comfort and compaction effect of the whole machine are improved.
The above prior art solution has the following drawbacks: when the road roller is used for pressing the road edge, the road surface layer is easily extruded from the edge part to influence the pavement paving quality.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a two steel wheel road rollers, it has when rolling the roadside, prevents that the pavement layer from being extruded the advantage of limit portion.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a two steel wheel road rollers, includes the frame, the frame front end is equipped with preceding steel wheel, the frame rear end is equipped with the back steel wheel, the frame in be equipped with the mount table directly over the preceding steel wheel, be equipped with arm group on the mount table, arm group includes that the level is located articulated shaft on the mount table, articulated shaft length direction with preceding steel wheel terminal surface is parallel, articulated on the articulated shaft have a bearing arm, bearing arm tip articulates there is the actuating arm, the actuating arm tip is equipped with the side pinch roller, be equipped with on the frame and order about bearing arm with the drive assembly of actuating arm motion.
Through adopting above-mentioned technical scheme, when the road roller is pressed the roadside in real time, drive assembly can drive and bear the weight of the arm downstream, side pinch roller and actuating arm are along with bearing the weight of the arm downstream, when the side pinch roller descends to the pavement layer edge, drive assembly orders about the actuating arm steel wheel motion forward, make the side pinch roller of actuating arm tip compress tightly the pavement layer edge, restart road roller is gone forward and is rolled the road surface, when the pavement layer receives the pressure of road roller steel wheel to carry out the pressure real-time, the side pinch roller withstands the pavement layer edge, prevent that too big messenger's pavement layer below the steel wheel is extruded from the roadside under the pavement layer pressure, and influence the quality of laying of road surface, thereby influence the progress of laying, make the road surface of laying more level and smooth.
The utility model discloses further set up to: the driving assembly comprises a bearing arm, a lifting hydraulic cylinder and a contraction hydraulic cylinder, wherein the lifting hydraulic cylinder is arranged between the bearing arm and the frame, the contraction hydraulic cylinder is arranged between the bearing arm and the driving arm, the lifting hydraulic cylinder is hinged to the frame, the output end of the lifting hydraulic cylinder is hinged to the lower surface of the middle of the bearing arm, the contraction hydraulic cylinder is hinged to the lower surface of the middle of the bearing arm, the output end of the contraction hydraulic cylinder is hinged to the middle of the driving arm, a hydraulic oil tank is arranged on the frame, and the hydraulic oil tank is respectively connected with.
Through adopting above-mentioned technical scheme, set up hydraulic cylinder through articulated between bearing arm and frame, come the drive to bear the arm and be elevating movement on the frame, hydraulic cylinder can make things convenient for dexterous arrangement drive structure, compact structure and inertia are little itself, press in real time when road roller needs roadside more, hydraulic cylinder can be stable drive bearing arm descend to suitable position, be provided with the shrink pneumatic cylinder through articulated between bearing arm and actuating arm, order about the actuating arm and do the shrink motion, when bearing the arm and descend to a certain position, the shrink pneumatic cylinder orders about the inboard shrink of actuating arm looks, make the stable pavement layer lateral wall of pushing down of side pinch roller.
The utility model discloses further set up to: the end part of the driving arm is hinged with an arch frame, the side pinch roller is rotationally connected in the arch frame, and a driving hydraulic cylinder is arranged between the arch frame and the driving arm.
By adopting the technical scheme, when the roadside on the compacted road surface is in a slope shape, the driving hydraulic cylinder arranged between the arch frame and the driving arm drives the arch frame to move around the driving arm, so that the side pressure wheel can be adjusted to be at the angle corresponding to the roadside slope angle, and then the side pressure wheel is pressed on the roadside slope, so that the road roller can adapt to various roadside conditions when working at the roadside, the functionality of the road roller is improved, and the application range of the road roller is enlarged.
The utility model discloses further set up to: the auxiliary compaction devices are symmetrically arranged on two sides of the rear portion of the front steel wheel and comprise supporting rods vertically arranged below the frame, an arched wheel carrier is horizontally arranged at the lower end of each supporting rod, and auxiliary pressing wheels are horizontally arranged on the wheel carrier.
Through adopting above-mentioned technical scheme, press real-time when the road roller is pressing on the road surface of contrast soft, the pressure of preceding steel wheel to road surface can make preceding steel wheel edge road surface layer bulge to form the bead greatly, when the bead is higher, can be formed foldingly by the extrusion of back steel wheel, thereby influence the road surface and lay the quality, so steel wheel rear is provided with supplementary compaction device in the front, the bracing piece can support the supplementary pinch roller of wheel carrier and roll the bead of formation, make further compaction to the road surface that the back pinch roller can be smooth.
The utility model discloses further set up to: the support rod is a hydraulic telescopic rod.
Through adopting above-mentioned technical scheme, set up the bracing piece into hydraulic telescoping rod, make the auxiliary pressure wheel can upwards stretch out and draw back, when the road roller is in normal ground surface, can adjust the height of auxiliary pressure wheel to the road surface layer of different hardness, it is more stable when making the road roller roll the road surface.
The utility model discloses further set up to: the outer side end face of the auxiliary pressing wheel extends out of the plane of the outer side end face of the front steel wheel.
By adopting the technical scheme, when the road roller rolls the road surface, the convex edge extruded and bulged by the front steel wheel is generally positioned on the outer side of the end face of the front steel wheel, so that when the auxiliary pressing wheel extends out of the plane of the outer end face of the front steel wheel, the bulged convex edge can be rolled more completely.
The utility model discloses further set up to: the bearing arm and the driving arm are both in H-shaped groove structures.
By adopting the technical scheme, the bearing arm and the driving arm are both made of the H-shaped channel steel to increase the bearing capacity of the mechanical arm group due to the fact that the H-shaped channel steel is high in rigidity, high in bending resistance and easy to form.
The utility model discloses further set up to: the frame is also provided with the mechanical arm group above the rear steel wheel.
By adopting the technical scheme, the mechanical arm group is also arranged above the rear steel wheel, so that after the front steel wheel compacts the pavement, the rear steel wheel compacts the pavement further, the pavement can be prevented from being extruded from the roadside by the rear steel wheel to influence the paving quality.
To sum up, the utility model discloses a beneficial technological effect does:
(1) by arranging the mechanical arm group and the side pressure wheel on the mounting table, when the pavement is pressed by the pressure of the road roller, the side pressure wheel presses the edge of the pavement, so that the pavement under the steel wheel is prevented from being extruded from the roadside due to overlarge pressure of the pavement;
(2) by symmetrically arranging the auxiliary compaction devices at the two sides behind the front steel wheels, when the road roller presses a softer road surface, the pressure of the front steel wheels on the road surface is large, so that the road surface layer at the edges of the front steel wheels bulges to form convex edges, and the auxiliary pressing wheels roll the formed convex edges, so that the rear pressing wheels can smoothly compact the road surface further;
(3) the bearing arm and the driving arm are both in an H-shaped groove structure, so that the bearing capacity of the mechanical arm group is increased, the mechanical arm group is also arranged above the rear steel wheel of the frame, and the pavement layer can be prevented from being extruded from the roadside by the rear steel wheel to influence the laying quality.
Drawings
FIG. 1 is a schematic structural view of a dual drum roller;
FIG. 2 is a top plan view of a dual drum roller;
reference numerals: 1. a frame; 2. a front steel wheel; 3. a rear steel wheel; 4. an installation table; 5. a mechanical arm group; 6. a side pinch roller; 7. a drive assembly; 8. an arched frame; 9. driving the hydraulic cylinder; 10. an auxiliary compaction device; 51. hinging a shaft; 52. a carrying arm; 53. a drive arm; 71. a lifting hydraulic cylinder; 72. contracting the hydraulic cylinder; 73. a hydraulic oil tank; 101. a support bar; 102. a wheel carrier; 103. and an auxiliary pinch roller.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the utility model discloses a double steel wheel road roller, which comprises a frame 1, wherein a front steel wheel 2 is arranged at the front end of the frame 1, a rear steel wheel 3 is arranged at the rear end of the frame 1, a rectangular mounting table 4 is integrally connected with the frame 1 right above the front steel wheel 2, and a mechanical arm group 5 is arranged on the mounting table 4; as shown in fig. 2, the arm assembly 5 includes a hinge shaft 51 integrally connected to the mounting platform 4, the length direction of the hinge shaft 51 is parallel to the end surface of the front steel wheel 2, a bearing arm 52 is hinged to the hinge shaft 51, the bearing arm 52 can move around the hinge shaft 51, the end of the bearing arm 52 is hinged to a driving arm 53, the end of the driving arm 53 is rotatably connected to a side pressing wheel 6, the road roller presses the road edge in real time, the side pressing wheel 6 presses the edge of the road surface layer, the road surface layer under the front steel wheel 2 is prevented from being extruded from the road surface due to the fact that the road surface layer is pressed too much, a driving assembly 7 for driving the bearing arm 52 and the driving arm 53 to move is installed on the frame 1.
As shown in fig. 1, the driving assembly 7 includes a lifting hydraulic cylinder 71 disposed between the carrying arm 52 and the frame 1, and a contracting hydraulic cylinder 72 disposed between the carrying arm 52 and the driving arm 53, and is driven by the hydraulic cylinders, because the hydraulic cylinders can be disposed with flexibility to drive the structure, and the structure is compact and has small inertia; the lifting hydraulic cylinder 71 is hinged on the frame 1, the output end of the lifting hydraulic cylinder is hinged with the lower surface of the middle part of the bearing arm 52, the contraction hydraulic cylinder 72 is hinged with the lower surface of the middle part of the bearing arm 52, the output end of the contraction hydraulic cylinder is hinged with the middle part of the driving arm 53, the frame 1 is provided with a cuboid hydraulic oil tank 73, and the hydraulic oil tank 73 is respectively connected with the lifting hydraulic cylinder 71 and the contraction hydraulic cylinder 72; the end part of the driving arm 53 is hinged with an arch frame 8, the side pressure wheel 6 is rotationally connected in the arch frame 8, and a driving hydraulic cylinder 9 is arranged between the arch frame 8 and the driving arm 53; when the roadside on the compacted road surface is in a slope shape, the side pressure wheels 6 can be adjusted to be at the angle corresponding to the angle of the roadside slope, and then the side pressure wheels 6 are pressed on the roadside slope, so that the road roller can adapt to various roadside conditions when the roadside works.
As shown in fig. 1, the auxiliary compacting devices 10 are symmetrically installed on two sides of the rear of the front steel wheel 2, and include a support rod 101 vertically arranged below the frame 1, specifically, a hydraulic telescopic rod, an arched wheel frame 102 is horizontally arranged at the lower end of the support rod 101, an auxiliary pressing wheel 103 is horizontally arranged on the wheel frame 102, and the outer end face of the auxiliary pressing wheel 103 extends out of the plane where the outer end face of the front steel wheel 2 is located; when the road roller presses a soft road surface, the front steel wheels 2 have large pressure on the road surface, so that the road surface layer at the edges of the front steel wheels 2 is bulged to form convex edges, and the auxiliary pressing wheel 103 rolls the formed convex edges, so that the rear pressing wheel can smoothly compact the road surface; the bearing arm 52 and the driving arm 53 are both H-shaped groove structures, so that the bearing capacity of the mechanical arm group 5 is improved; the mechanical arm group 5 is also arranged above the rear steel wheel 3 of the frame 1, so that the pavement layer can be prevented from being extruded by the rear steel wheel 3 from the roadside to influence the paving quality.
The implementation principle of the embodiment is as follows: when the road roller presses the road edge, the lifting hydraulic cylinder 71 drives the bearing arm 52 to move downwards, the side pressure wheel 6 and the driving arm 53 move downwards along with the bearing arm 52, and when the side pressure wheel 6 descends to the edge of the road surface layer, the contraction hydraulic cylinder 72 drives the driving arm 53 to move towards the front steel wheel 2, so that the side pressure wheel 6 at the end part of the driving arm 53 presses the edge of the road surface layer; adjust supplementary pinch roller 103 to suitable height through drive pneumatic cylinder 9 again, then start the road roller and go forward and roll the road surface, when the road surface layer receives the pressure of road roller to press real-timely, side pressure wheel 6 pushes down the road surface layer edge, prevents that the road surface layer below preceding steel wheel 2 and the back steel wheel 3 from being extruded from the roadside, and influences the laying quality and the laying progress on road surface, makes the road surface of laying more level and more smooth.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A double-steel-wheel road roller comprises a frame (1), wherein a front steel wheel (2) is arranged at the front end of the frame (1), a rear steel wheel (3) is arranged at the rear end of the frame (1), it is characterized in that the frame (1) is provided with a mounting platform (4) right above the front steel wheel (2), a mechanical arm group (5) is arranged on the mounting table (4), the mechanical arm group (5) comprises a hinge shaft (51) horizontally arranged on the mounting table (4), the length direction of the articulated shaft (51) is parallel to the end surface of the front steel wheel (2), a bearing arm (52) is hinged on the hinge shaft (51), a driving arm (53) is hinged at the end part of the bearing arm (52), the end part of the driving arm (53) is provided with a side pinch roller (6), and the frame (1) is provided with a driving component (7) for driving the bearing arm (52) and the driving arm (53) to move.
2. The double-steel-wheel road roller as claimed in claim 1, wherein the driving assembly (7) comprises a lifting hydraulic cylinder (71) arranged between the bearing arm (52) and the frame (1), and a contracting hydraulic cylinder (72) arranged between the bearing arm (52) and the driving arm (53), the lifting hydraulic cylinder (71) is hinged to the frame (1), the output end of the lifting hydraulic cylinder is hinged to the lower surface of the middle part of the bearing arm (52), the contracting hydraulic cylinder (72) is hinged to the lower surface of the middle part of the bearing arm (52), the output end of the contracting hydraulic cylinder is hinged to the middle part of the driving arm (53), a hydraulic oil tank (73) is arranged on the frame (1), and the hydraulic oil tank (73) is respectively connected with the lifting hydraulic cylinder (71) and the contracting hydraulic cylinder (72).
3. A double-drum roller as claimed in claim 2, wherein the end of the driving arm (53) is hinged to an arch (8), the side pressing wheel (6) is rotatably connected in the arch (8), and a driving hydraulic cylinder (9) is arranged between the arch (8) and the driving arm (53).
4. A double-steel-wheel road roller as claimed in claim 3, wherein auxiliary compacting devices (10) are symmetrically arranged at two sides behind the front steel wheel (2), and comprise a support rod (101) vertically arranged below the frame (1), an arched wheel carrier (102) is horizontally arranged at the lower end of the support rod (101), and an auxiliary pressing wheel (103) is horizontally arranged on the wheel carrier (102).
5. A roller with two steel wheels according to claim 4, wherein the supporting rod (101) is a hydraulic telescopic rod.
6. A roller with two steel wheels according to claim 5, wherein the outer end of the auxiliary pressing wheel (103) extends out of the plane of the outer end of the front steel wheel (2).
7. A roller according to claim 6 in which the carrying arm (52) and the driving arm (53) are both "H" shaped channel structures.
8. A roller with two steel wheels according to claim 7, wherein the frame (1) is also provided with the arm assembly (5) above the rear steel wheel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020114090.8U CN211713596U (en) | 2020-01-16 | 2020-01-16 | Double-steel-wheel road roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020114090.8U CN211713596U (en) | 2020-01-16 | 2020-01-16 | Double-steel-wheel road roller |
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| Publication Number | Publication Date |
|---|---|
| CN211713596U true CN211713596U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020114090.8U Active CN211713596U (en) | 2020-01-16 | 2020-01-16 | Double-steel-wheel road roller |
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| Country | Link |
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| CN (1) | CN211713596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404744A (en) * | 2022-10-31 | 2022-11-29 | 中电建路桥集团有限公司 | Foundation treatment equipment for road expansion |
-
2020
- 2020-01-16 CN CN202020114090.8U patent/CN211713596U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404744A (en) * | 2022-10-31 | 2022-11-29 | 中电建路桥集团有限公司 | Foundation treatment equipment for road expansion |
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