CN102359131A - Grader and drive axle and balance box supporting connecting structure thereof - Google Patents
Grader and drive axle and balance box supporting connecting structure thereof Download PDFInfo
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- CN102359131A CN102359131A CN2011102194686A CN201110219468A CN102359131A CN 102359131 A CN102359131 A CN 102359131A CN 2011102194686 A CN2011102194686 A CN 2011102194686A CN 201110219468 A CN201110219468 A CN 201110219468A CN 102359131 A CN102359131 A CN 102359131A
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- driving bogie
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Abstract
The invention relates to the technical field of engineering machinery and discloses a grader and a drive axle and balance box supporting connecting structure thereof. The drive axle and balance box supporting connecting structure of the grader comprises a balance box, a drive axle, a first flange and a second flange, wherein the first flange is fixed on a box body of the balance box; the second flange is fixed on an axle housing of the drive axle; the axle housing of the drive axle and the second flange are sleeved in the first flange; and a wear-resistant ring made of a high polymer material is arranged between the first flange and the axle housing of the drive axle. For the drive axle and balance box supporting connecting structure of the grader, which is provided by the embodiment of the invention, the first flange and the second flange are respectively fixedly connected with the box body of the balance box and a planetary gearbox shell and the wear-resistant ring which is made of the high polymer material and contains solid lubricating grease is arranged between the first flange and the planetary gearbox shell, so that the drive axle and balance box supporting connecting structure of the grader has simple structure, is convenient to install and maintain, has good wear resistance and excellent loading condition and the cost and the weight of the overall connecting structure can be reduced.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of land leveller drive axle and tandem-driving bogie supporting draw bail.The invention still further relates to a kind of land leveller with above-mentioned land leveller drive axle and tandem-driving bogie supporting draw bail.
Background technology
Land leveller is widely used in the high grade pavement construction, and wherein, the swing control to tandem-driving bogie when land leveller is walked of the coupling arrangement of land leveller drive axle and tandem-driving bogie plays important effect.
Existing land leveller drive axle has following two kinds substantially with the tandem-driving bogie connecting mode: the one, the self-aligning bearing that utilizes copper sheathing and half shaft end on the drive axle axle housing respectively with tandem-driving bogie in outer panel link to each other; There was the location in this kind draw bail to bearing, thereby very high to semiaxis and bearing requirement on machining accuracy, when processing and installation accuracy do not reach when requiring; Semiaxis and bearing will bear bigger additional force; Influence the application life of semiaxis and bearing, in addition, can produce bigger turning torque because the reaction force of wheel is faced on ground; Thereby strengthened the load of semiaxis and bearing; And bearing or copper sheathing can not bear too big turning torque, and excessive turning torque makes bearing or copper sheathing damage easily, influence the equipment operate as normal; Semiaxis can not bear the excessive turning torque of land leveller, has a strong impact on the application life of semiaxis and bearing; The 2nd, drive axle axle housing termination is stretched in the tandem-driving bogie; Copper sheathing (or pivoting support) inner and outer ring is connected with the tandem-driving bogie outer panel with axle housing respectively, and this structure does not have bearing to cross the problem of location, but has complex structure; Easy care not, the high difficult problem of copper sheathing (or pivoting support) cost.
Therefore, how to develop that a kind of force-bearing situation is good, simple in structure, easy mounting is safeguarded and the draw bail of lower-cost land leveller drive axle and tandem-driving bogie, is the technical barrier that those skilled in the art need to be resolved hurrily.
Summary of the invention
In order to overcome the above-mentioned defective and the deficiency of prior art, on the one hand, the invention provides the draw bail of a kind of land leveller drive axle and tandem-driving bogie.The draw bail of this land leveller drive axle and tandem-driving bogie comprises tandem-driving bogie and drive axle; Also comprise first flange that is fixed in said tandem-driving bogie casing and second flange that is fixed in said drive axle axle housing; Overlap said drive axle axle housing and said second flange in said first flange, be provided with the wear ring of macromolecular material between said first flange and the said drive axle axle housing.
Preferably; Said first flange comprises continuous first and second portion; Said first is fixedly connected on said tandem-driving bogie casing; Form annular groove between said second portion, said first and the said tandem-driving bogie casing, the outer circular edge of said second flange stretches into said annular groove, and said wear ring is located between said second portion and the said drive axle axle housing.
Preferably, be provided with the adjustment pad between said first and the said tandem-driving bogie casing.
Preferably, be provided with first wear-resistant gasket between said second flange and the said tandem-driving bogie casing, be provided with second wear-resistant gasket between said second flange and the said second portion.
Preferably, said first wear-resistant gasket and said second wear-resistant gasket are macromolecular material.
Preferably, the two ends of said wear ring are provided with first sealing ring and second sealing ring.
Preferably, be provided with the 3rd sealing ring between said second flange and the said drive axle axle housing.
Preferably, said first sealing ring and said second sealing ring are the VL sealing ring, and said the 3rd sealing ring is an O-ring seals.
Preferably, said wear ring and the said first flange matched in clearance, said wear ring and said drive axle axle housing interference fit.
Preferably, said wear ring contains lubricating grease.
Preferably, the outer wall of said first flange is provided with the lubricating cup that is used to said wear ring grease up, and said lubricating cup is connected with the surface of said wear ring.
Preferably; The two ends of said drive axle are provided with planetary reduction gear; Said drive axle axle housing comprises continuous final drive casing and planetary reduction gear shell, and said wear ring is located between said first flange and the said planetary reduction gear shell, and the output of said planetary reduction gear is connected with duplex chain wheel.
Preferably, said macromolecular material comprises nylon, polyvinyl and rubber.
On the other hand, the present invention also provides a kind of land leveller, and said Leveling implements has aforesaid land leveller drive axle and tandem-driving bogie supporting draw bail.
A kind of land leveller provided by the invention and drive axle thereof and tandem-driving bogie supporting draw bail; Through two flanges the drive axle axle housing is linked to each other with the tandem-driving bogie casing; And the wear ring of macromolecular material is set between first flange and planetary reduction gear shell, simple in structure, easy to maintenance; The weight but also the force-bearing situation that have not only alleviated whole draw bail are good; In a kind of preferred version, adopt and contain the polymer-material wear-resistant ring of lubricating grease, and between first flange and balance box body coupling part, be provided with the adjustment pad; Be provided with first wear-resistant gasket and second wear-resistant gasket (can be macromolecular material) between second flange and first flange and between second flange and the tandem-driving bogie casing; Can further alleviate whole draw bail weight, reduce cost and abrasion resistance good, thereby the life-span of improving draw bail through the thickness that increases the adjustment pad staring torque of tandem-driving bogie is adjusted to desired value in addition; Reduce wear ring, first wear-resistant gasket and the unnecessary wearing and tearing of second wear-resistant gasket, further prolonged the life-span of whole draw bail.
Description of drawings
Fig. 1 is the schematic top plan view of the draw bail of a kind of land leveller drive axle that the embodiment of the invention provided and tandem-driving bogie;
Fig. 2 be among Fig. 1 B-B to sectional drawing;
Fig. 3 is the partial enlarged drawing of I among Fig. 2.
The specific embodiment
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.Should be pointed out that description and description order to concrete structure in this part only are the explanations to specific embodiment, should not be regarded as that protection scope of the present invention is had any restriction.
Please refer to Fig. 1, Fig. 2 and Fig. 3; Wherein, Fig. 1 is the schematic top plan view of the draw bail of a kind of land leveller drive axle that the embodiment of the invention provided and tandem-driving bogie; Fig. 2 be among Fig. 1 B-B to sectional drawing, Fig. 3 is the partial enlarged drawing of I among Fig. 2, combines Fig. 1, Fig. 2 and Fig. 3 that the embodiment of the invention is described below simultaneously.
As depicted in figs. 1 and 2; The drive axle of land leveller has the effect of two tandem-driving bogies about support; And be three stage structure, the stage casing mainly is made up of main reducing gear etc. and external shell thereof, and the left and right sides is planetary reducer and external shell thereof; The output of planetary reduction gear is connected with duplex chain wheel, and the both sides of drive axle are respectively fitted with the tandem-driving bogie that slows down through said duplex chain wheel.
As shown in Figure 3; The land leveller drive axle of present embodiment and the draw bail of tandem-driving bogie comprise two bearings 1, second flange 2, the 3rd sealing ring 3, first wear-resistant gasket 4, second wear-resistant gasket 5, tandem-driving bogie casing 6, adjustment pad 7, first flange 8, first sealing ring 9, lubricating cup 10, wear ring 11, second sealing ring 12, planetary reduction gear shell 13 and planet carrier 14, and its structure and annexation are following:
In the foregoing description; Wear ring 11 is a macromolecular material; And wherein contain solid lubrication fat, the lateral surface of first flange 8 is provided with the lubricating cup 10 into this wear ring 11 grease ups, and this lubricating cup 10 is connected with the surface of wear ring 11; When the lubricating grease in the wear ring 11 is used up, can be its filling grease through lubricating cup 10.
In the foregoing description, first wear-resistant gasket 4 and second wear-resistant gasket 5 are macromolecular material, and adjustment pad 7 also can adopt macromolecular material as required.
In the foregoing description, first sealing ring 9 and second sealing ring 12 are the VL sealing ring, and the 3rd sealing ring 3 is an O-ring seals, prevent that dust or oily thing contact wear ring 11 from perhaps getting in the wear ring 11.
In the course of the work; When tandem-driving bogie (tandem-driving bogie casing 6) is swung; First flange 8 is with tandem-driving bogie wear ring 11 swings relatively; Wear ring 11 bears perpendicular to the radial load of planetary reduction gear shell 13 axis directions and the effect of turning torque, and certain deformation can take place, and second flange 2 bears along the effect of the axial force of drive axis direction with first wear-resistant gasket 4 and second wear-resistant gasket 5; And between prevention tandem-driving bogie and the planetary reduction gear shell 13 axial float takes place; To guarantee the swing of tandem-driving bogie, this kind mode force-bearing situation is good, can not have influence on the working condition and the reliability of other component in tandem-driving bogie and drive axle axle housing or the planetary reduction gear shell 13; In addition, thickness that can be through increasing adjustment pad 7 is adjusted to desired value with the staring torque of tandem-driving bogie, at utmost to avoid first wear-resistant gasket 4 and the unnecessary wearing and tearing of second wear-resistant gasket 5, the application life of improving whole draw bail.
Need to prove; Wear ring 13 is compared with copper sheathing that uses in the prior art or bearing for containing the macromolecular material of solid lubrication fat, and abrasion resistance is better; And reduce the cost and the weight of whole draw bail; Adopt first wear-resistant gasket and 4 and second wear-resistant gasket 5 of macromolecular material also to have similar effects, in addition, above-mentioned macromolecular material comprises materials such as nylon, polyvinyl and rubber.
Need to prove; Adopt first flange 8 and second flange 2 in the foregoing description; Compare with using bearing or copper sheathing in the prior art, easy to loading and unloading, and cost is lower; In addition, use and also to belong to the present invention with the shape of first flange 8 and second flange 2 and the replacement of functionally similar miscellaneous part and require the scope protected.
Need to prove; Can make the outer circular edge of second flange 2 fill up the full annular groove basically; And do the specification of first wear-resistant gasket 4 bigger; Make between its first that extends to first flange 1 81 and the tandem-driving bogie casing 6, promptly replace first wear-resistant gasket 4 and adjustment pad 7 of the foregoing description, have function wear-resisting and the adjustment staring torque simultaneously with a bigger wear-resistant gasket.
Need to prove; In the foregoing description, first sealing ring and second sealing ring and the 3rd sealing ring adopt common VL sealing ring and O-ring seals, in other embodiments; Also can adopt the sealing ring of other types; For example, first sealing ring and second sealing ring all adopt VA or VS sealing ring, only otherwise influencing sealing function gets final product.
Need to prove; In the foregoing description, in order to reach better effect, wear ring 11 and planetary reduction gear shell 13 interference fit; Second portion 82 matched in clearance with second flange 8; But in other embodiments, also can adopt other matching relationships, only otherwise the wear-resisting functions that influences wear ring 11 gets final product.
Need to prove; First flange 8 is fixedly connected with tandem-driving bogie casing 6 through bolt, in order to reach better fastening effect, can on the end face of bolt, be provided with tooth bar; When bolt is tightened; Said tooth bar embeds the lateral surface of first flange 8, so can prevent work a period of time after bolt fluff, it is not tight to cause first flange 8 to combine with tandem-driving bogie casing 6.
A kind of land leveller drive axle that the embodiment of the invention provides and tandem-driving bogie supporting draw bail; Through adopting first flange and second flange that tandem-driving bogie casing and planetary reduction gear shell facies are connected, and between first flange and planetary reduction gear shell, be provided with the polymer-material wear-resistant ring that contains solid lubrication fat, simple in structure; Convenient for installation and maintenance; Abrasion resistance is good, and force-bearing situation is good, and can reduce the cost and the weight of whole draw bail.
The embodiment of the invention also provides a kind of land leveller; This land leveller has above-mentioned land leveller drive axle and tandem-driving bogie supporting draw bail; Because above-mentioned land leveller drive axle and tandem-driving bogie supporting draw bail have above-mentioned technique effect, therefore, the land leveller with this land leveller drive axle and tandem-driving bogie supporting draw bail also should possess the corresponding techniques effect; Its practical implementation process is similar to the above embodiments, does not give unnecessary details now.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. land leveller drive axle and tandem-driving bogie supporting draw bail; Comprise tandem-driving bogie and drive axle; It is characterized in that; Also comprise first flange that is fixed in said tandem-driving bogie casing and second flange that is fixed in said drive axle axle housing, overlap said drive axle axle housing and said second flange in said first flange, be provided with the wear ring of macromolecular material between said first flange and the said drive axle axle housing.
2. land leveller drive axle as claimed in claim 1 and tandem-driving bogie supporting draw bail; It is characterized in that; Said first flange comprises continuous first and second portion, and said first is fixedly connected on said tandem-driving bogie casing, forms annular groove between said second portion, said first and the said tandem-driving bogie casing; The outer circular edge of said second flange stretches into said annular groove, and said wear ring is located between said second portion and the said drive axle axle housing.
3. land leveller drive axle as claimed in claim 2 and tandem-driving bogie supporting draw bail is characterized in that, are provided with the adjustment pad between said first and the said tandem-driving bogie casing.
4. land leveller drive axle as claimed in claim 2 and tandem-driving bogie supporting draw bail; It is characterized in that; Be provided with first wear-resistant gasket between said second flange and the said tandem-driving bogie casing, be provided with second wear-resistant gasket between said second flange and the said second portion.
5. land leveller drive axle as claimed in claim 4 and tandem-driving bogie supporting draw bail is characterized in that said first wear-resistant gasket and said second wear-resistant gasket are macromolecular material.
6. land leveller drive axle as claimed in claim 2 and tandem-driving bogie supporting draw bail is characterized in that the two ends of said wear ring are provided with first sealing ring and second sealing ring.
7. land leveller drive axle as claimed in claim 6 and tandem-driving bogie supporting draw bail is characterized in that, are provided with the 3rd sealing ring between said second flange and the said drive axle axle housing.
8. land leveller drive axle as claimed in claim 7 and tandem-driving bogie supporting draw bail is characterized in that said first sealing ring and said second sealing ring are the VL sealing ring, and said the 3rd sealing ring is an O-ring seals.
9. like each described land leveller drive axle of claim 1 to 8 and tandem-driving bogie supporting draw bail, it is characterized in that said wear ring and the said first flange matched in clearance, said wear ring and said drive axle axle housing interference fit.
10. land leveller drive axle as claimed in claim 9 and tandem-driving bogie supporting draw bail is characterized in that said wear ring contains lubricating grease.
11. land leveller drive axle as claimed in claim 10 and tandem-driving bogie supporting draw bail is characterized in that the outer wall of said first flange is provided with the lubricating cup that is used to said wear ring grease up, said lubricating cup is connected with the surface of said wear ring.
12. like each described land leveller drive axle of claim 1 to 8 and tandem-driving bogie supporting draw bail; It is characterized in that; The two ends of said drive axle are provided with planetary reduction gear; Said drive axle axle housing comprises continuous final drive casing and planetary reduction gear shell, and said wear ring is located between said first flange and the said planetary reduction gear shell, and the output of said planetary reduction gear is connected with duplex chain wheel.
13., it is characterized in that said macromolecular material comprises nylon, polyvinyl and rubber like each described land leveller drive axle of claim 1 to 8 and tandem-driving bogie supporting draw bail.
14. a land leveller is characterized in that, said Leveling implements requirement 1 to 13 each described land leveller drive axle and the tandem-driving bogie supporting draw bail of having the right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110219468 CN102359131B (en) | 2011-08-01 | 2011-08-01 | Grader and drive axle and balance box supporting connecting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110219468 CN102359131B (en) | 2011-08-01 | 2011-08-01 | Grader and drive axle and balance box supporting connecting structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102359131A true CN102359131A (en) | 2012-02-22 |
| CN102359131B CN102359131B (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110219468 Expired - Fee Related CN102359131B (en) | 2011-08-01 | 2011-08-01 | Grader and drive axle and balance box supporting connecting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102359131B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817391A (en) * | 2012-07-19 | 2012-12-12 | 浙江长兴前进机械铸造有限公司 | Case for wheel loader |
| CN103541385A (en) * | 2013-09-30 | 2014-01-29 | 徐州徐工筑路机械有限公司 | Rear axle balancing tank locking mechanism of land leveler |
| CN109296016A (en) * | 2018-12-05 | 2019-02-01 | 三汽车制造有限公司 | A kind of pivoting support component and land leveller |
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| 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 |
| CN201512820U (en) * | 2009-08-27 | 2010-06-23 | 西北农林科技大学 | Connecting structure for leveler drive axle and balance box |
| CN102032283A (en) * | 2010-12-30 | 2011-04-27 | 三一重工股份有限公司 | Ball-cage type universal coupling and full-hydraulic grader |
-
2011
- 2011-08-01 CN CN 201110219468 patent/CN102359131B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| CN201512820U (en) * | 2009-08-27 | 2010-06-23 | 西北农林科技大学 | Connecting structure for leveler drive axle and balance box |
| CN102032283A (en) * | 2010-12-30 | 2011-04-27 | 三一重工股份有限公司 | Ball-cage type universal coupling and full-hydraulic grader |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817391A (en) * | 2012-07-19 | 2012-12-12 | 浙江长兴前进机械铸造有限公司 | Case for wheel loader |
| CN103541385A (en) * | 2013-09-30 | 2014-01-29 | 徐州徐工筑路机械有限公司 | Rear axle balancing tank locking mechanism of land leveler |
| CN109296016A (en) * | 2018-12-05 | 2019-02-01 | 三汽车制造有限公司 | A kind of pivoting support component and land leveller |
| CN109296016B (en) * | 2018-12-05 | 2023-08-22 | 三一汽车制造有限公司 | Slewing bearing assembly and grader |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102359131B (en) | 2013-09-25 |
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Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130502 |
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Effective date of registration: 20130502 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant after: SANY Automobile Manufacturing Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant before: Sanyi Heavy Industry Co., Ltd. |
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