CN102887064B - Tyre road roller and driving device thereof - Google Patents
Tyre road roller and driving device thereof Download PDFInfo
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- CN102887064B CN102887064B CN201210413200.0A CN201210413200A CN102887064B CN 102887064 B CN102887064 B CN 102887064B CN 201210413200 A CN201210413200 A CN 201210413200A CN 102887064 B CN102887064 B CN 102887064B
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Abstract
The invention provides a tyre road roller and a driving device of the tyre road roller. The driving device of the tyre road roller comprises a driving motor (1), a drive axle (2), a driving chain wheel (8), a driven chain wheel (5), and a chain (3) connected between the driving chain wheel (8) and the driven chain wheel (5); the driven chain wheel (5) is arranged coaxially with a group of tyres (6) of the tyre road roller; and the central axis of the driving chain wheel (8) is positioned between the central axes of the front and rear groups of tyres (6). According to the tyre road roller and the driving device of the tyre road roller provided by the invention, the chain is high in tolerance, and capable of actively tensioning, therefore, the simplicity of the structure is improved, and the assembling and disassembling can be carried out conveniently.
Description
Technical field
The present invention relates to pavement compaction technical field of mechanical equipment, in particular to a kind of pneumatic tyred roller and actuating device thereof.
Background technology
Pneumatic tyred roller is mainly used in the last quiet of asphalt coating and rolls real operation, is the major equipment of asphalt pavement construction.Pneumatic tyred roller can be divided into mechanical type, hydraulic transmission formula, half fluid pressure type and full hydraulic by type of drive, but above several pneumatic tyred roller all must be driven by drive axle, chain, sprocket wheel.
The actuating device of pneumatic tyred roller is inhead type (drive axle is positioned at the operator's compartment back lower place, vehicle frame upper back) in the market, with walking axle on driven sprocket vertically arrange, upper underdrive.This kind of arrangement requires that chain must keep strict tensioning, loosens or long-term work generation wearing and tearing, just need to carry out tensioning to it if chain has.
As shown in Figure 1, prior art is drive axle inhead type, and in figure, 4 ' is tightening device, drive axle 2 ' and driven sprocket 5 ' are vertically arranged, drive axle 2 ' drives driven sprocket 5 ' to rotate by chain 3 ', thus drives tire 6 ' to rotate, and makes pneumatic tyred roller realize advancing or retreating.Because Chain conveyer is vertical-transmission, the drive mechanism of vertical layout can make chain sag of chain concentrate on lower end, the effective total number of teeth in engagement of lower driven sprocket is caused to reduce, reduce chain sprocket drive ability, in order to ensure the tensioning of chain, need often to adjust tightening device, waste time and energy, and easily occur that adjustment causes chain sprocket drive to jump tooth or de-tooth not in time.
Summary of the invention
The present invention aims to provide a kind of pneumatic tyred roller and actuating device thereof, and chain tolerance is good, can initiatively tensioning, and structure is more simple, installs and removes convenient.
To achieve these goals, according to an aspect of the present invention, provide a kind of driving mechanism of tire road roller, the chain comprising CD-ROM drive motor, drive axle, drive sprocket, driven sprocket and be connected between drive sprocket and driven sprocket, one group of tire of driven sprocket and pneumatic tyred roller is coaxially arranged, and the central axis of drive sprocket is between the central axis of the two groups of tires in front and back.
Further, the line horizontal arrangement at the center of drive sprocket and the center of driven sprocket.
Further, the central axis driving mechanism of tire road roller of the central axis of driven sprocket, the central axis of drive sprocket and two groups of tires also comprises the tightening device of the bottom of frame being arranged on pneumatic tyred roller, tightening device drives with drive axle and is connected, the spacing between adjustable main movable sprocket and driven sprocket.
Further, tightening device comprises the erecting frame being fixedly connected on bottom of frame and the adjusting bolt be arranged on erecting frame, and adjusting bolt is for regulating the position of drive axle.
Further, driving mechanism of tire road roller also comprises the driving engine be fixedly installed on above driven sprocket.
According to a further aspect in the invention, provide a kind of pneumatic tyred roller, comprise driving mechanism of tire road roller, this driving mechanism of tire road roller is above-mentioned driving mechanism of tire road roller.
Apply technical scheme of the present invention, the chain that driving mechanism of tire road roller comprises CD-ROM drive motor, drive axle, drive sprocket, driven sprocket and is connected between drive sprocket and driven sprocket, one group of tire of driven sprocket and pneumatic tyred roller is coaxially arranged, and the central axis of drive sprocket is between the central axis of the two groups of tires in front and back.Between the central axis of the two groups of tires in front and back drive sprocket being arranged on pneumatic tyred roller, the line of centres of drive sprocket and driven sprocket is made to be no longer vertical layout, when pneumatic tyred roller advances, drive sprocket can carry out tensioning to first half chain automatically, when pneumatic tyred roller retreats, drive sprocket can carry out tensioning to lower part chain automatically, therefore, it is possible to ensure that chain engages with effective between sprocket wheel, chain sprocket drive is made to have larger tolerance, without the need to often adjusting tightening device, structure is simple, install and remove convenient, processing safety is better.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of driving mechanism of tire road roller of the prior art;
Fig. 2 shows the structural representation of pneumatic tyred roller according to an embodiment of the invention; And
Fig. 3 shows the plan structure schematic diagram of driving mechanism of tire road roller according to an embodiment of the invention.
Detailed description of the invention
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Figures 2 and 3, according to embodiments of the invention, the chain 3 that driving mechanism of tire road roller comprises CD-ROM drive motor 1, drive axle 2, drive sprocket 8, driven sprocket 5, driving engine, tightening device 4 and is connected between drive sprocket 8 and driven sprocket 5.Wherein CD-ROM drive motor 1 is connected with drive axle 2, and drive axle 2 is connected with drive sprocket 8.Driven sprocket 5 is coaxially arranged with one group of tire 6 of pneumatic tyred roller, and the central axis of drive sprocket 8 is between the central axis of the two groups of tires 6 in front and back.In the present embodiment, driven sprocket 5 is coaxially arranged with one group of tire 6 of the rear side of pneumatic tyred roller.CD-ROM drive motor 1 is installed on drive axle 2, drive axle 2 is connected with tightening device 4 by screw, tightening device 4 is connected by screw bottom vehicle frame 7, on drive axle 2, drive sprocket 8 drives driven sprocket 5 by chain 3, and then drive tire 6 to rotate, pneumatic tyred roller is advanced or retreats to carry out compacting operation.
After drive axle 2 is connected with tightening device 4 by screw, tightening device 4 is connected by screw bottom vehicle frame 7, make the line of centres level of drive sprocket on drive axle 28 and driven sprocket 5, before chain 3 assembles, tightening device 4 can be unclamped, be convenient to chain 3 and be assembled on two sprocket wheels, after chain 3 is loaded onto, by tightening device 4 tensioning, ensure that chain 3 is reliable with engaging of sprocket wheel.
Preferably, because drive axle 2 and drive sprocket 8 are arranged between the tire 6 of two groups, front and back, therefore, in order to make the structural arrangement of pneumatic tyred roller more rationally compact, driving engine is fixedly installed on above driven sprocket 5.
Between the central axis of the two groups of tires 6 in front and back drive sprocket 8 being arranged on pneumatic tyred roller, the line of centres of drive sprocket 8 and driven sprocket 5 is made to be no longer vertical layout, when pneumatic tyred roller advances, drive sprocket 8 can carry out tensioning to first half chain 3 automatically, when pneumatic tyred roller retreats, drive sprocket 8 can carry out tensioning to lower part chain 3 automatically, therefore, it is possible to ensure that chain 3 engages with effective between sprocket wheel, chain sprocket drive is made to have larger tolerance, chain 3 tensioning is simple, and without the need to often adjusting tightening device 4, install and remove convenient, processing safety is better.
Preferably, the line of centres horizontal arrangement of drive sprocket 8 and driven sprocket 5.When pneumatic tyred roller advances, drive sprocket 8 can carry out tensioning to first half chain 3 automatically, ensures that chain 3 engages with sprocket wheel actv..When pneumatic tyred roller retreats, drive sprocket 8 can carry out tensioning to lower part chain 3 automatically, ensures that chain 3 engages with sprocket wheel actv..Drive sprocket 8 is with the benefit of the line of centres horizontal arrangement of driven sprocket 5: when chain 3 because of use for a long time occur wearing and tearing or other reasons causes chain 3 to loosen time, chain 3 still effectively can engage with sprocket wheel, ensure its transmission capacity, driven road roller working and do not cause and jump chain or fall chain.
In other embodiments, be not positioned on same vertical plane with the central axis of rear group of tire 6 above the plane that the central axis that the central axis of drive sprocket 8 also can be positioned at the two groups of tires 6 in front and back is formed, as long as both made the central axis of drive sprocket 8 between the central axis of the two groups of tires 6 in front and back, chain 3 sag of chain can be avoided to a certain extent to concentrate on lower end, overcome the problem that the effective total number of teeth in engagement of driven sprocket in prior art reduces, ensure the transmission capacity of sprocket wheel.
In addition, when the central axis place plane of the two groups of tires in front and back is not horizontal surface, the central axis of the central axis of driven sprocket 5, the central axis of drive sprocket 8 and two groups of tires is in the same plane.
Tightening device 4 is arranged on bottom the vehicle frame 7 of pneumatic tyred roller, and tightening device 4 drives with drive axle 2 and is connected, the spacing between adjustable main movable sprocket 8 and driven sprocket 5.In the present embodiment, tightening device 4 comprises and is fixedly connected on erecting frame bottom vehicle frame 7 41 and is arranged on erecting frame 41 and regulates the adjusting bolt 42 of the position of drive axle 2, drive axle 2 is arranged on erecting frame 41 along the direction away from driven sprocket 5 movably, adjusting bolt 42 can be connected for driving with drive axle 2, also can abut against, when chain 3 loosens, the position of drive axle 2 can be regulated by adjusting bolt 42, make chain 3 re-tensioning.Erecting frame 41 is provided with the mounting hole of long trough, drive axle 2 is fixedly installed in the mounting hole on erecting frame 41 by adapter plate and tie bolt.When needed, can adjust by adjusting bolt 42 degree of tension that the position of drive axle 2 on mounting hole adjusts chain 3, and with tie bolt, drive axle 2 is fixed on erecting frame 41 after adjusting to the right place.
Drive sprocket 8 and the line of centres horizontal arrangement of driven sprocket 5 make sprocket wheel initiatively can carry out tensioning to chain 3, and this is very favourable to the normal lasting work of chain 3.Due to the auto-tensioning effect of this kind of sprocket wheel arrangement structure, therefore, even if do not arrange tightening device 4, also can ensure that actuating device can normally work effectively.And the main purpose arranging tightening device 4 is here, chain 3 more easily can be assembled by the adjustment of tightening device 4, and can chain 3 wear and tear excessive cause shake allowance excessive time tensioning, prevent chain 3 from too much engaging with drive sprocket 8 and catching on.Because the effect of tightening device 4 here is significantly weakened, the tolerance of chain 3 is better, does not therefore need often to adjust the normal work that tightening device 4 also can ensure chain sprocket drive, time saving and energy saving, and the structure of tightening device 4 also can simplify more, and cost is lower.
According to embodiments of the invention, pneumatic tyred roller comprises driving mechanism of tire road roller and vehicle frame 7, this driving mechanism of tire road roller is above-mentioned driving mechanism of tire road roller, the drive axle 2 of pneumatic tyred roller is fixedly installed on the bottom of vehicle frame 7 by tightening device 4, drive sprocket 8 is fixedly connected with drive axle 2, driven sprocket 5 drives with tire 6 and is connected, and driven and be connected, and drive sprocket 8 is horizon with the line of centres of driven sprocket 5 between drive sprocket 8 with driven sprocket 5 by chain 3.
From above description, can find out, the above embodiments of the present invention achieve following technique effect: the chain that driving mechanism of tire road roller comprises CD-ROM drive motor, drive axle, drive sprocket, driven sprocket and is connected between drive sprocket and driven sprocket, and the central axis of drive sprocket is between the central axis of the two groups of tires in front and back.Between the central axis of the two groups of tires in front and back drive sprocket being arranged on pneumatic tyred roller, the line of centres of drive sprocket and driven sprocket is made to be no longer vertical layout, when pneumatic tyred roller advances, drive sprocket can carry out tensioning to first half chain automatically, when pneumatic tyred roller retreats, drive sprocket can carry out tensioning to lower part chain automatically, therefore, it is possible to ensure that chain engages with effective between sprocket wheel, chain sprocket drive is made to have larger tolerance, without the need to often adjusting tightening device, structure is simple, install and remove convenient, processing safety is better.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the actuating device of a pneumatic tyred roller, comprise CD-ROM drive motor (1), drive axle (2), drive sprocket (8), driven sprocket (5), and the chain (3) be connected between described drive sprocket (8) and described driven sprocket (5), described driven sprocket (5) is coaxially arranged with one group of tire (6) of described pneumatic tyred roller, it is characterized in that, the central axis of described drive sprocket (8) is positioned between the central axis of tire (6) described in two groups, front and back, the line horizontal arrangement at the center of described drive sprocket (8) and the center of described driven sprocket (5).
2. the actuating device of pneumatic tyred roller according to claim 1, it is characterized in that, described in the central axis of the central axis of described driven sprocket (5), described drive sprocket (8) and two groups, the central axis of tire is in the same plane.
3. the actuating device of pneumatic tyred roller according to claim 1 and 2, it is characterized in that, described driving mechanism of tire road roller also comprises the tightening device (4) of vehicle frame (7) bottom being arranged on described pneumatic tyred roller, described tightening device (4) drives with described drive axle (2) and is connected, the spacing between adjustable described drive sprocket (8) and described driven sprocket (5).
4. the actuating device of pneumatic tyred roller according to claim 3, it is characterized in that, described tightening device (4) comprises the erecting frame (41) being fixedly connected on described vehicle frame (7) bottom and the adjusting bolt (42) be arranged on described erecting frame (41), and described adjusting bolt (42) is for regulating the position of described drive axle (2).
5. the actuating device of pneumatic tyred roller according to claim 1 and 2, is characterized in that, described driving mechanism of tire road roller also comprises the driving engine being fixedly installed on described driven sprocket (5) top.
6. a pneumatic tyred roller, comprises driving mechanism of tire road roller, it is characterized in that, the actuating device of the pneumatic tyred roller of described driving mechanism of tire road roller according to any one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210413200.0A CN102887064B (en) | 2012-10-25 | 2012-10-25 | Tyre road roller and driving device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210413200.0A CN102887064B (en) | 2012-10-25 | 2012-10-25 | Tyre road roller and driving device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102887064A CN102887064A (en) | 2013-01-23 |
| CN102887064B true CN102887064B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210413200.0A Active CN102887064B (en) | 2012-10-25 | 2012-10-25 | Tyre road roller and driving device thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107604803A (en) * | 2017-09-28 | 2018-01-19 | 南通威而多专用汽车制造有限公司 | Pen machine boost motor with illumination functions |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202830712U (en) * | 2012-10-25 | 2013-03-27 | 中联重科股份有限公司 | Tyre roller and driving device thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2836734B2 (en) * | 1994-11-11 | 1998-12-14 | 川崎重工業株式会社 | Tire roller |
| JP2832686B2 (en) * | 1995-03-08 | 1998-12-09 | 酒井重工業株式会社 | Roller roller with tire drive wheels |
| CN200985484Y (en) * | 2006-12-31 | 2007-12-05 | 湖南江麓机械集团有限公司 | Multiplex braking system for full hydraulic tyre road roller |
| CN201400847Y (en) * | 2009-04-28 | 2010-02-10 | 一拖(洛阳)建筑机械有限公司 | Driving axle device of hydraulic driving tire road roller with hub reduction |
| CN201890142U (en) * | 2010-04-26 | 2011-07-06 | 三一重工股份有限公司 | Vehicle rear wheel driving device pneumatic tyre roller |
| CN202368266U (en) * | 2011-11-17 | 2012-08-08 | 三一重工股份有限公司 | Driving wheel set and driving wheel structure for pneumatic roller and pneumatic roller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202830712U (en) * | 2012-10-25 | 2013-03-27 | 中联重科股份有限公司 | Tyre roller and driving device thereof |
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