CN103625213B - The support connecting device of driving axle for land leveller and tandem-driving bogie - Google Patents
The support connecting device of driving axle for land leveller and tandem-driving bogie Download PDFInfo
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- CN103625213B CN103625213B CN201310404162.7A CN201310404162A CN103625213B CN 103625213 B CN103625213 B CN 103625213B CN 201310404162 A CN201310404162 A CN 201310404162A CN 103625213 B CN103625213 B CN 103625213B
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Abstract
The invention discloses the support connecting device of a kind of driving axle for land leveller and tandem-driving bogie, comprise tandem-driving bogie (1), Drive axle housing (2) and semiaxis (3), tandem-driving bogie (1) comprises interior plate (13) and outer panel (14), Drive axle housing extends into outer panel, interior plate and outer panel to be supported on respectively on Drive axle housing and can to rotate around Drive axle housing, and semiaxis is arranged in Drive axle housing by bearing.The invention also discloses a kind of road grader comprising above-mentioned support connecting device.By technique scheme, tandem-driving bogie and bearing are separated by Drive axle housing, thus the power that tandem-driving bogie is applied all acts on Drive axle housing, semiaxis no longer bears the power from tandem-driving bogie, improves service life and the functional reliability of semiaxis.In addition, because semiaxis is directly arranged in Drive axle housing by bearing, decrease dimensional chain for assembly, reduce installation accuracy of manufacture, save cost.
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 plays an important role to the weave control 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 driving axle for land leveller of prior art and the support connecting device of tandem-driving bogie comprise 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, can freely swing around the line of centers of Drive axle housing 2 to make tandem-driving bogie 1, 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, the second bearing 6 is also provided with between Drive axle housing 2 and semiaxis 3, duplex chain wheel 4 is arranged on the sponson of semiaxis 3, thus enable the rotation of semiaxis 3 drive duplex chain wheel 4 to rotate.
But, there is following defect in above-mentioned support connecting device: 1, in said structure, semiaxis 3, second bearing 6, tandem-driving bogie 1, clutch shaft bearing 5, semiaxis 3 are around the dimension chain of a formation radial-sealing, and this dimension chain is long, semiaxis 3 is made to 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 while bearing torque, also will bear moment of flexure, affects service life and the functional reliability of semiaxis 3.
In view of this, the support connecting device designing a kind of novel driving axle for land leveller and tandem-driving bogie is needed, to overcome the above-mentioned defect of prior art.
Summary of the invention
The object of this invention is to provide the support connecting device of a kind of driving axle for land leveller and tandem-driving bogie, the requirement on machining accuracy of this support connecting device to parts is lower, and is conducive to the service life and the functional reliability that improve 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 to be supported on respectively on described Drive axle housing and can to 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 multiple 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, described Drive axle housing circumferentially offers multiple opening, described intermediate gear is arranged in described opening and is arranged on described Drive axle housing by installation shaft.
Preferably, the both sides being positioned at described duplex chain wheel of described Drive axle housing are provided with circlip for shaft, be provided with the first flow ring between this circlip for shaft and described duplex chain wheel, 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, be arranged on the jam nut on described semiaxis near the described gear position limiting portion of the end of described semiaxis, the described gear position limiting portion away from the end of described semiaxis is formed in the boss on described semiaxis.
Preferably, described tandem-driving bogie comprises the protrusion of tubular, this protrusion is outstanding to the outside of described tandem-driving bogie from described interior plate, is provided with the first copper sheathing between described protrusion and described Drive axle housing, is provided with the second copper sheathing between the end of described Drive axle housing and described tandem-driving bogie.
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, described duplex chain wheel being axially disposed between described clutch shaft bearing and described second bearing along described semiaxis.
Preferably, described clutch shaft bearing is arranged on the position corresponding with described outer panel, and described 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, the both sides of tandem-driving bogie are all rotatably supported on Drive axle housing, and semiaxis is arranged in Drive axle housing by bearing, tandem-driving bogie and described bearing is made to be separated by Drive axle housing like this, thus the power making tandem-driving bogie apply all acts on Drive axle housing, semiaxis no longer bears the power from tandem-driving bogie, improves service life and the functional reliability of semiaxis.In addition, because semiaxis is directly arranged in Drive axle housing by bearing, decrease dimensional chain for assembly, reduce installation accuracy of manufacture, save cost.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is 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 detailed description of the invention 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 the schematic cross sectional views according to the driving axle for land leveller of one embodiment of the present invention and the support connecting device of tandem-driving bogie;
Fig. 3 is the cutaway view along the A-A line cutting in Fig. 2;
Fig. 4 is the enlarged drawing of I part in Fig. 2;
Fig. 5 is the enlarged drawing of 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
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality of use such as " inside and outside " refers to profile inside and outside relative to each parts itself.
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, the pars intermedia 22 that described tandem-driving bogie comprises interior plate 13 respect to one another and outer panel 14 and is connected between interior plate 13 and outer panel 14, interior plate 13, outer panel 14 and pars intermedia 22 are around formation 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 to be supported on respectively on described Drive axle housing 2 and can to 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, be rotatably installed in Drive axle housing 2 to make semiaxis 3.
It should be noted that, outer panel 14 here refers to the plate towards road grader road wheel (not shown) side of tandem-driving bogie 1, and interior plate 13 refers to the plate that deviate from the side of 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, the both sides of tandem-driving bogie 1 are made all rotatably to be supported on Drive axle housing 2, and semiaxis 3 is arranged in Drive axle housing 2 by bearing, tandem-driving bogie 1 and described bearing is made to be separated by Drive axle housing 2 like this, thus the power making tandem-driving bogie 1 apply all acts on Drive axle housing 2, semiaxis 3 no longer bears the power from tandem-driving bogie 1, improves service life and the functional reliability of semiaxis 3.In addition, because semiaxis 3 is directly arranged in Drive axle housing 2 by bearing, decreases dimensional chain for assembly, reduce 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 the duplex chain wheel 4 for providing power to road grader road wheel, and this duplex chain wheel 4 to be sleeved on Drive axle housing 2 and to be contained in the cavity between the outer panel 14 of tandem-driving bogie 1 and interior plate 13.
Duplex chain wheel 4 can be axially disposed between described clutch shaft bearing 5 and described second bearing 6 along described semiaxis 3, to form more stable support to duplex chain wheel 4, wherein, clutch shaft bearing 5 can be arranged on the position corresponding with outer panel 14, second bearing 6 can be arranged on the position corresponding with interior plate 13, to make support connecting device of the present invention more stable.
By various suitable mode, power can be delivered to duplex chain wheel 4 from semiaxis 3, such as semiaxis 3 can drive duplex chain wheel 4 by gear system.Described gear system can be formed as various suitable form, as one preferred embodiment, described duplex chain wheel 4 is formed with internally toothed annulus, described gear system comprises driving gear 7 and multiple 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 by the transmission of power of semiaxis 3 to the duplex chain wheel 4 being positioned at Drive axle housing 2 outside.And, because the driving route of driving gear 7-intermediate gear 8-duplex chain wheel 4 has deceleration, therefore the reduction ratio of other deceleration part of road grader drive system (such as main reduction gear and wheel reduction gear) can be shared, reduction ratio is distributed more evenly rationally, is conducive to the life-span extending other deceleration part described.
For the mounting means of intermediate gear 8, particularly, can circumferentially offer multiple opening on described Drive axle housing 2, and described intermediate gear 8 is arranged in said opening and is arranged on described Drive axle housing 2 by installation shaft 9.Preferably, described multiple opening is evenly arranged along the circumference of described Drive axle housing 2, and more preferably, the quantity of described opening is three, thus makes drive configuration more stable.
Installation shaft 9 can be installed by various suitable mode.A preferred embodiment of the invention, can at the axially extended mounting hole of the end opens of described Drive axle housing 2 along Drive axle housing 2, and 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, circlip for bore 20 is provided with in mounting hole to be resisted against the end of installation shaft 9.
By said structure, intermediate gear 8 can be realized to be installed on Drive axle housing 2, and when needs are changed or keep in repair intermediate gear 8, dismounting can be carried out to said structure easily.
As shown in Figure 4, in order to carry out axial limiting to duplex chain wheel 8, preferably, the both sides being positioned at described duplex chain wheel 4 of described Drive axle housing 2 are provided with circlip for shaft 10.Can the first flow ring 11 be set between circlip for shaft 10 and duplex chain wheel 4, and the second flow ring 12 is set between the end face and the sidewall of described opening of intermediate gear 8, to reduce the wearing and tearing caused due to the relative motion of 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.In order to carry out axial limiting to driving gear 7, preferably, the both sides being positioned at described driving gear 7 of described semiaxis 3 are formed with gear position limiting portion, wherein, the jam nut 18 on described semiaxis 3 is arranged near the described gear position limiting portion of the end of described semiaxis 3, described gear position limiting portion away from the end of described semiaxis 3 is formed in the boss on described semiaxis 3, and namely semiaxis 3 can be formed as stepped shaft.In order to lock driving gear 7 more firmly, black nut 19 can be set and get loose to prevent jam nut 18.
Particularly, described tandem-driving bogie 1 also comprises the protrusion 15 of tubular, and this protrusion 15 is outstanding and be fixedly connected with interior plate 13 from the interior plate 13 of described tandem-driving bogie 1 to the outside of 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 can rotate around the line of centers of Drive axle housing 2, being provided with the first copper sheathing 16 between described protrusion 15 and described Drive axle housing 2, between the end of described Drive axle housing 2 and described tandem-driving bogie 1, being 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.End cap 21 is fixed on the end of Drive axle housing 2 by the mode such as can be bolted.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; 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 characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, 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 described Drive axle housing (2) respectively and go up 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), 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 multiple 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.
4. the support connecting device of driving axle for land leveller according to claim 3 and tandem-driving bogie, it is characterized in that, (2) circumferentially offer multiple opening to described Drive axle housing, 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 being positioned at described duplex chain wheel (4) of described Drive axle housing (2) are provided with circlip for shaft (10), be provided with the first flow ring (11) between this circlip for shaft (10) and described duplex chain wheel (4), 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 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 in the boss on described semiaxis (3).
7. the support connecting device of driving axle for land leveller as claimed in any of claims 1 to 6 and tandem-driving bogie, it is characterized in that, described tandem-driving bogie (1) comprises the protrusion (15) of tubular, this protrusion (15) is outstanding to the outside of described tandem-driving bogie (1) from described interior plate (13), be provided with the first copper sheathing (16) between described protrusion (15) and described 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).
8. the support connecting device of driving axle for land leveller as claimed in any of claims 2 to 6 and tandem-driving bogie, it is characterized in that, described bearing comprises clutch shaft bearing (5) and the second bearing (6), described clutch shaft bearing (5) and the second bearing (6) are sleeved on described semiaxis (3), described duplex chain wheel (4) being axially disposed between described clutch shaft bearing (5) and described 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 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 of driving axle for land leveller as claimed in any of claims 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 |
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| Publication Number | Publication Date |
|---|---|
| CN103625213A CN103625213A (en) | 2014-03-12 |
| CN103625213B true CN103625213B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 |
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| 平地机驱动桥与平衡箱联接结构分析与改进;王铁庆等;《筑路机械与施工机械化》;长安大学;20100131;第27卷(第1期);72-74 * |
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| CN103625213A (en) | 2014-03-12 |
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