CN103625213A - Supporting connecting device of land leveler drive axle and balance box - Google Patents
Supporting connecting device of land leveler drive axle and balance box Download PDFInfo
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- CN103625213A CN103625213A CN201310404162.7A CN201310404162A CN103625213A CN 103625213 A CN103625213 A CN 103625213A CN 201310404162 A CN201310404162 A CN 201310404162A CN 103625213 A CN103625213 A CN 103625213A
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- driving
- drive axle
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- axle housing
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Abstract
The invention discloses a supporting connecting device of a land leveler drive axle and a balance box. The supporting connecting device of the land leveler drive axle and the balance box comprises the balance box (1), a drive axle housing (2) and a half shaft (3). The balance box (1) comprises an inner side board (13) and an outer side board (14). The drive axle housing extends into the outer side board. The inner side board and the outer side board are respectively supported by the drive axle housing and can rotate around the drive axle housing. The half shaft is installed in the drive axle housing through a bearing. The invention further discloses a land leveler comprising the supporting connecting device. According to the technical scheme, the balance box and the bearing are separated through the drive axle housing, so that force exerted by the balance box fully acts on the drive axle housing, the half shaft does not bear the force from the balance box any more, the service life of the half shaft is prolonged, and the work reliability of the half shaft is improved. In addition, due to the fact that the half shaft is directly installed in the drive axle housing through the bearing, an assembly size chain is omitted, the installation manufacturing accuracy is improved, and cost is saved.
Description
Technical field
The present invention relates to road grader field, particularly, relate to the support connecting device of a kind of driving axle for land leveller and tandem-driving bogie and there is the road grader of this support connecting device.
Background technology
Road grader is used widely in high grade pavement construction, and wherein the support connecting device of driving axle for land leveller and tandem-driving bogie is controlled and played an important role the swing of tandem-driving bogie when road grader is walked.
Fig. 1 is the schematic cross sectional views of the driving axle for land leveller of prior art and the support connecting device of tandem-driving bogie.As shown in Figure 1, the support connecting device of the driving axle for land leveller of prior art and tandem-driving bogie comprises tandem-driving bogie 1, Drive axle housing 2, semiaxis 3 and duplex chain wheel 4, Drive axle housing 2 extends in tandem-driving bogie 1, and the inner side of Drive axle housing 2 is rotatably supported on Drive axle housing 2 by the first copper sheathing 16, so that tandem-driving bogie 1 can freely swing around the line of centers of Drive axle housing 2, semiaxis 3 reaches the position corresponding with the outer panel 14 of Drive axle housing 2 from Drive axle housing 2, and the end of semiaxis 3 is arranged on outer panel 14 by clutch shaft bearing 5, between Drive axle housing 2 and semiaxis 3, be also provided with the second bearing 6, duplex chain wheel 4 is arranged on the sponson of semiaxis 3, thereby the rotation that makes semiaxis 3 can drive duplex chain wheel 4 rotations.
Yet, there is following defect in above-mentioned support connecting device: 1, in said structure, semiaxis 3, the second bearing 6, tandem-driving bogie 1, clutch shaft bearing 5, semiaxis 3 are around the dimension chain that forms a radial-sealing, and this dimension chain is long, make semiaxis 3 form location, and higher to the requirement on machining accuracy of each part in this dimension chain; 2, semiaxis 3 bears the diametral load from tandem-driving bogie 1, makes it when bearing torque, also will bear moment of flexure, affects service life and the functional reliability of semiaxis 3.
In view of this, need to design the support connecting device of a kind of novel driving axle for land leveller and tandem-driving bogie, to overcome the above-mentioned defect of prior art.
Summary of the invention
The support connecting device that the object of this invention is to provide a kind of driving axle for land leveller and tandem-driving bogie, it is lower to the requirement on machining accuracy of parts that this supports connecting device, and be conducive to improve service life and the functional reliability of parts.
To achieve these goals, the invention provides the support connecting device of a kind of driving axle for land leveller and tandem-driving bogie, this support connecting device comprises tandem-driving bogie, Drive axle housing and semiaxis, described tandem-driving bogie comprises interior plate and outer panel, wherein, described Drive axle housing extends into described outer panel, and described interior plate and outer panel are supported on respectively on described Drive axle housing and can rotate around described Drive axle housing, and described semiaxis is arranged in described Drive axle housing by bearing.
Preferably, described support connecting device also comprises duplex chain wheel, and this duplex chain wheel is sleeved on described Drive axle housing, and described semiaxis drives described duplex chain wheel by gear system.
Preferably, described duplex chain wheel is formed with internally toothed annulus, and described gear system comprises driving gear and a plurality of intermediate gear, and described driving gear is arranged on described semiaxis, and described intermediate gear is engaged between described driving gear and described internally toothed annulus.
Preferably, on described Drive axle housing, along circumferentially offering a plurality of openings, described intermediate gear is arranged in described opening and is arranged on described Drive axle housing by installation shaft.
Preferably, the both sides that are positioned at described duplex chain wheel of described Drive axle housing are provided with circlip for shaft, between this circlip for shaft and described duplex chain wheel, be provided with the first flow ring, between the end face of described intermediate gear and the sidewall of described opening, be provided with the second flow ring.
Preferably, described driving gear is connected with described half axle key, and the both sides that described semiaxis is positioned at described driving gear are formed with gear position limiting portion, wherein, described gear position limiting portion near the end of described semiaxis is the jam nut being arranged on described semiaxis, away from the described gear position limiting portion of the end of described semiaxis, is the boss being formed on described semiaxis.
Preferably, described tandem-driving bogie comprises the protrusion of tubular, the outside of this protrusion from described interior plate to described tandem-driving bogie is outstanding, between described protrusion and described Drive axle housing, is provided with the first copper sheathing, between the end of described Drive axle housing and described tandem-driving bogie, is provided with the second copper sheathing.
Preferably, described bearing comprises clutch shaft bearing and the second bearing, and described clutch shaft bearing and the second bearing carrier ring are contained on described semiaxis, and described duplex chain wheel is along between the described clutch shaft bearing of being axially disposed within of described semiaxis and described the second bearing.
Preferably, described clutch shaft bearing is arranged on the position corresponding with described outer panel, and described the second bearing is arranged on the position corresponding with described interior plate.
On the basis of such scheme, the present invention also provides a kind of road grader, and this road grader comprises the support connecting device of driving axle for land leveller as above and tandem-driving bogie.
Pass through technique scheme, because Drive axle housing extends into the outer panel of tandem-driving bogie, make the both sides of tandem-driving bogie all rotatably be supported on Drive axle housing, and semiaxis is arranged in Drive axle housing by bearing, make like this tandem-driving bogie and described bearing separate by Drive axle housing, thereby the power that tandem-driving bogie applies is all acted on Drive axle housing, and semiaxis no longer bears the power from tandem-driving bogie, has improved service life and the functional reliability of semiaxis.In addition, because semiaxis is directly arranged in Drive axle housing by bearing, reduce dimensional chain for assembly, reduced installation accuracy of manufacture, saved cost.
Other features and advantages of the present invention partly in detail are described the specific embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the schematic cross sectional views of the driving axle for land leveller of prior art and the support connecting device of tandem-driving bogie;
Fig. 2 is according to the schematic cross sectional views of the support connecting device of the driving axle for land leveller of one embodiment of the present invention and tandem-driving bogie;
Fig. 3 is the cutaway view dissecing along the A-A line in Fig. 2;
Fig. 4 is the enlarged drawing of the I part in Fig. 2;
Fig. 5 is the enlarged drawing of the II part in Fig. 2.
Description of reference numerals
1 tandem-driving bogie 2 Drive axle housing 3 semiaxis
4 duplex chain wheel 5 clutch shaft bearing 6 second bearings
7 driving gear 8 intermediate gear 9 installation shaft
10 circlip for shaft 11 first flow ring 12 second flow rings
13 interior plate 14 outer panel 15 protrusions
16 first copper sheathing 17 second copper sheathing 18 jam nuts
19 black nut 20 circlip for bore 21 end caps
22 pars intermedias
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
In the present invention, in the situation that not doing contrary explanation, the noun of locality of use refers to inside and outside with respect to the profile of each parts itself as " inside and outside ".
As shown in Figure 2, the support connecting device of a kind of driving axle for land leveller and tandem-driving bogie is provided according to one embodiment of the present invention, this support connecting device comprises tandem-driving bogie 1, Drive axle housing 2 and semiaxis 3, described tandem-driving bogie comprise interior plate 13 respect to one another and outer panel 14 and be connected to interior plate 13 and outer panel 14 between pars intermedia 22, interior plate 13, outer panel 14 and pars intermedia 22 are around forming box-structure, wherein, described Drive axle housing 2 extends into described outer panel 14, in other words, Drive axle housing 2 extends through pars intermedia 22 and extend into outer panel 14, described interior plate 13 and outer panel 14 are supported on respectively on described Drive axle housing 2 and can rotate around described Drive axle housing 2, described semiaxis 3 is arranged in described Drive axle housing 2 by bearing, the inner ring of described bearing is sleeved on semiaxis 3, the outer ring of described bearing coordinates with the inside face of Drive axle housing 2, so that semiaxis 3 is rotatably installed in Drive axle housing 2.
It should be noted that, the outer panel 14 here refers to the plate towards road grader road wheel (not shown) one side of tandem-driving bogie 1, and interior plate 13 refers to the plate of the side that deviate from road grader road wheel relative with outer panel 14.
Pass through technique scheme, because Drive axle housing 2 extends into the outer panel 14 of tandem-driving bogie 1, make the both sides of tandem-driving bogie 1 all rotatably be supported on Drive axle housing 2, and semiaxis 3 is arranged in Drive axle housing 2 by bearing, make like this tandem-driving bogie 1 and described bearing separate by Drive axle housing 2, thereby the power that tandem-driving bogie 1 applies is all acted on Drive axle housing 2, and semiaxis 3 no longer bears the power from tandem-driving bogie 1, has improved service life and the functional reliability of semiaxis 3.In addition, because semiaxis 3 is directly arranged in Drive axle housing 2 by bearing, reduce dimensional chain for assembly, reduced installation accuracy of manufacture, saved cost.
Particularly, described bearing can comprise clutch shaft bearing 5 and the second bearing 6, described support connecting device also comprises for providing the duplex chain wheel 4 of power, this duplex chain wheel 4 to be sleeved on Drive axle housing 2 to road grader road wheel and being contained in the outer panel 14 and the cavity between interior plate 13 of tandem-driving bogie 1.
Can power be delivered to duplex chain wheel 4 from semiaxis 3 by various suitable modes, for example semiaxis 3 can drive duplex chain wheel 4 by gear system.Described gear system can form various suitable forms, as preferred embodiment a kind of, described duplex chain wheel 4 is formed with internally toothed annulus, described gear system comprises driving gear 7 and a plurality of intermediate gear 8, described driving gear 7 is arranged on described semiaxis 3, and described intermediate gear 8 is engaged between described driving gear 7 and described internally toothed annulus.
Here, by driving gear 7 and intermediate gear 8, the transmission of power of semiaxis 3 is given to the duplex chain wheel 4 that is positioned at Drive axle housing 2 outsides.And, because the driving route of driving gear 7-intermediate gear 8-duplex chain wheel 4 has deceleration, therefore can share the reduction ratio of other deceleration part of road grader drive system (for example main reduction gear and wheel reduction gear), reduction ratio is distributed more evenly rationally, be conducive to extend the life-span of described other deceleration part.
For the mounting means of intermediate gear 8, particularly, can on described Drive axle housing 2, circumferentially offer a plurality of openings in edge, and described intermediate gear 8 is arranged in described opening and by installation shaft 9 and is arranged on described Drive axle housing 2.Preferably, described a plurality of openings are circumferentially evenly arranged along described Drive axle housing 2, and more preferably, the quantity of described opening is three, thereby makes drive configuration more stable.
Installation shaft 9 can be installed by various suitable modes.A preferred embodiment of the invention, can offer the axially extended mounting hole along Drive axle housing 2 in the end of described Drive axle housing 2, described installation shaft 9 is contained in described mounting hole.As shown in Figure 5, in order to prevent installation shaft 9 play in mounting hole, preferably, in mounting hole, be provided with circlip for bore 20 to be resisted against the end of installation shaft 9.
By said structure, can realize intermediate gear 8 is installed on Drive axle housing 2, and when needs are changed or keep in repair intermediate gear 8, can to said structure, carry out dismounting easily.
As shown in Figure 4, for duplex chain wheel 8 is carried out to axial limiting, preferably, the both sides that are positioned at described duplex chain wheel 4 of described Drive axle housing 2 are provided with circlip for shaft 10.The first flow ring 11 can be set between circlip for shaft 10 and duplex chain wheel 4, and the second flow ring 12 is set between the end face of intermediate gear 8 and the sidewall of described opening, the wearing and tearing that cause with the relative motion reducing due to each parts.Here, the first flow ring 11 and the second flow ring 12 can be wear-resisting copper ring.
Described driving gear 7 can be connected by key with described semiaxis 3.For driving gear 7 is carried out to axial limiting, preferably, the both sides that are positioned at described driving gear 7 of described semiaxis 3 are formed with gear position limiting portion, wherein, described gear position limiting portion near the end of described semiaxis 3 is the jam nut 18 being arranged on described semiaxis 3, described gear position limiting portion away from the end of described semiaxis 3 is the boss being formed on described semiaxis 3, and semiaxis 3 can form stepped shaft.In order to lock more firmly driving gear 7, black nut 19 can be set and to prevent jam nut 18, get loose.
Particularly, described tandem-driving bogie 1 also comprises the protrusion 15 of tubular, and this protrusion 15 is given prominence to and is fixedly connected with interior plate 13 to the outside of tandem-driving bogie 1 from the interior plate 13 of described tandem-driving bogie 1.Here, Drive axle housing 2 does not directly contact with interior plate 13, but is connected with interior plate 13 by protrusion 15.In order to make tandem-driving bogie 1 be provided with the first copper sheathing 16 between described protrusion 15 and described Drive axle housing 2 around the line of centers rotation of Drive axle housing 2, between the end of described Drive axle housing 2 and described tandem-driving bogie 1, be provided with the second copper sheathing 17.
The end of Drive axle housing 2 can be provided with end cap 21, for the parts of protection Drive axle housing 2 inside.The mode such as can be bolted is fixed on end cap 21 end of Drive axle housing 2.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, between various embodiment of the present invention, also can carry out combination in any, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. the support connecting device of a driving axle for land leveller and tandem-driving bogie, this support connecting device comprises tandem-driving bogie (1), Drive axle housing (2) and semiaxis (3), described tandem-driving bogie (1) comprises interior plate (13) and outer panel (14), it is characterized in that, described Drive axle housing (2) extends into described outer panel (14), described interior plate (13) and outer panel (14) are supported on respectively described Drive axle housing (2) above and can rotate around described Drive axle housing (2), described semiaxis (3) is arranged in described Drive axle housing (2) by bearing.
2. the support connecting device of driving axle for land leveller according to claim 1 and tandem-driving bogie, it is characterized in that, described support connecting device also comprises duplex chain wheel (4), it is upper that this duplex chain wheel (4) is sleeved on described Drive axle housing (2), and described semiaxis (3) drives described duplex chain wheel (4) by gear system.
3. the support connecting device of driving axle for land leveller according to claim 2 and tandem-driving bogie, it is characterized in that, described duplex chain wheel (4) is formed with internally toothed annulus, described gear system comprises driving gear (7) and a plurality of intermediate gear (8), it is upper that described driving gear (7) is arranged on described semiaxis (3), and described intermediate gear (8) is engaged between described driving gear (7) and described internally toothed annulus.
4. the support connecting device of driving axle for land leveller according to claim 3 and tandem-driving bogie, it is characterized in that, described Drive axle housing (2) is upper along circumferentially offering a plurality of openings, and described intermediate gear (8) is arranged in described opening and is arranged on described Drive axle housing (2) by installation shaft (9).
5. the support connecting device of driving axle for land leveller according to claim 4 and tandem-driving bogie, it is characterized in that, the both sides that are positioned at described duplex chain wheel (4) of described Drive axle housing (2) are provided with circlip for shaft (10), between this circlip for shaft (10) and described duplex chain wheel (4), be provided with the first flow ring (11), between the end face of described intermediate gear (8) and the sidewall of described opening, be provided with the second flow ring (12).
6. the support connecting device of driving axle for land leveller according to claim 3 and tandem-driving bogie, it is characterized in that, described driving gear (7) is connected with described semiaxis (3) key, and the both sides that described semiaxis (3) is positioned at described driving gear (7) are formed with gear position limiting portion, wherein, near the described gear position limiting portion of the end of described semiaxis (3) for being arranged on the jam nut (18) on described semiaxis (3), away from the described gear position limiting portion of the end of described semiaxis (3) for being formed on the boss on described semiaxis (3).
7. according to the support connecting device of the driving axle for land leveller described in any one in claim 1 to 6 and tandem-driving bogie, it is characterized in that, described tandem-driving bogie (1) comprises the protrusion (15) of tubular, the outside of this protrusion (15) from described interior plate (13) to described tandem-driving bogie (1) is outstanding, between described protrusion (15) and described Drive axle housing (2), be provided with the first copper sheathing (16), between the end of described Drive axle housing (2) and described tandem-driving bogie (1), be provided with the second copper sheathing (17).
8. according to the support connecting device of the driving axle for land leveller described in any one in claim 1 to 6 and tandem-driving bogie, it is characterized in that, described bearing comprises clutch shaft bearing (5) and the second bearing (6), it is upper that described clutch shaft bearing (5) and the second bearing (6) are sleeved on described semiaxis (3), and described duplex chain wheel (4) is axially disposed between described clutch shaft bearing (5) and described the second bearing (6) along described semiaxis (3).
9. the support connecting device of driving axle for land leveller according to claim 8 and tandem-driving bogie, it is characterized in that, described clutch shaft bearing (5) is arranged on the position corresponding with described outer panel (14), and described the second bearing (6) is arranged on the position corresponding with described interior plate (13).
10. a road grader, is characterized in that, this road grader comprises the support connecting device according to the driving axle for land leveller described in any one in claim 1 to 9 and tandem-driving bogie.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310404162.7A CN103625213B (en) | 2013-09-06 | 2013-09-06 | The support connecting device of driving axle for land leveller and tandem-driving bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310404162.7A CN103625213B (en) | 2013-09-06 | 2013-09-06 | The support connecting device of driving axle for land leveller and tandem-driving bogie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103625213A true CN103625213A (en) | 2014-03-12 |
| CN103625213B CN103625213B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310404162.7A Active CN103625213B (en) | 2013-09-06 | 2013-09-06 | The support connecting device of driving axle for land leveller and tandem-driving bogie |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201192987Y (en) * | 2008-03-17 | 2009-02-11 | 徐州天和车桥有限公司 | Drive axle for land leveller and engineering special vehicle |
| CN101532299A (en) * | 2009-04-15 | 2009-09-16 | 西北农林科技大学 | Driving bridge and balancing box transmission system of land scraper |
| CN201343743Y (en) * | 2008-12-29 | 2009-11-11 | 西北农林科技大学 | Bearing and connecting device for driving axle and balance box of grader |
| CN101649629A (en) * | 2009-08-27 | 2010-02-17 | 西北农林科技大学 | Connection structure of grader drive axle and balance box |
-
2013
- 2013-09-06 CN CN201310404162.7A patent/CN103625213B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201192987Y (en) * | 2008-03-17 | 2009-02-11 | 徐州天和车桥有限公司 | Drive axle for land leveller and engineering special vehicle |
| CN201343743Y (en) * | 2008-12-29 | 2009-11-11 | 西北农林科技大学 | Bearing and connecting device for driving axle and balance box of grader |
| CN101532299A (en) * | 2009-04-15 | 2009-09-16 | 西北农林科技大学 | Driving bridge and balancing box transmission system of land scraper |
| CN101649629A (en) * | 2009-08-27 | 2010-02-17 | 西北农林科技大学 | Connection structure of grader drive axle and balance box |
Non-Patent Citations (1)
| Title |
|---|
| 王铁庆等: "平地机驱动桥与平衡箱联接结构分析与改进", 《筑路机械与施工机械化》 * |
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| CN103625213B (en) | 2015-12-23 |
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