CN108360589A - Land leveller slides pivoting support structure - Google Patents
Land leveller slides pivoting support structure Download PDFInfo
- Publication number
- CN108360589A CN108360589A CN201810077380.7A CN201810077380A CN108360589A CN 108360589 A CN108360589 A CN 108360589A CN 201810077380 A CN201810077380 A CN 201810077380A CN 108360589 A CN108360589 A CN 108360589A
- Authority
- CN
- China
- Prior art keywords
- reduction gear
- planetary reduction
- gear shell
- pivoting support
- fulcrum bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of land levellers to slide pivoting support structure, belongs to driving bridge for engineering machinery field.It includes planetary reduction gear shell and fulcrum bearing, Composition spacer A, composite bush and Composition spacer B are assembled in the right-hand end outer circle of the planetary reduction gear shell successively, it is fixed with pressing plate in the right end face of the planetary reduction gear shell, the inner circle of the composite bush is clearance fit with the outer circle of planetary reduction gear shell, it designs and has the gap between the inner circle and the outer circle of planetary reduction gear shell of the Composition spacer, the inner circle of the fulcrum bearing and the outer circle of composite bush are interference fit, and there are gaps for the Composition spacer B and the contact surface of planetary reduction gear shell and pressing plate.The present invention is for connecting land leveller rear axle wheel reductor retarder and tandem-driving bogie, with the advantages of simple in structure, reliability is high, service life length and easy care.
Description
Technical field
The invention belongs to a kind of driving bridge for engineering machinery components, specifically, more particularly to a kind of land leveller sliding revolution
Supporting structure.
Background technology
Land leveller is that smooth machinery is carried out to ground using scraper, suitable for construct roadbed and road surface, build side slope,
Gutter is excavated, and clears away the snow, push the work of the maintenance of surface such as shot object.Its rear driving axle, substantially use main driving assembly,
The three-level slowing-down structure of planetary gear assy and balance box assembly.This three-level slowing-down structure slows down and increases torque step by step,
Transmission torque is big, and the big power demand of low speed of land leveller work may be implemented, be widely used.And since land leveller complete machine is heavier,
Larger turning torque is born by planetary reduction gear and tandem-driving bogie bindiny mechanism, thus hub reduction gear and tandem-driving bogie coupling part can
It is particularly important by property.
Existing land leveller rear axle wheel reductor retarder and tandem-driving bogie connection type have following two structure types：One is profits
It is connected respectively with the inside and outside plate of balance tank shell with the self-aligning bearing of sprocket wheel shaft end with the copper sheathing on planetary reduction gear shell, it should
There is only cross the damage for positioning and easily causing intermediate taper roll bearing for kind structure；Another structure is band rolling steel balls
Pivoting support structure, for this kind of structure since the inner surface of steel ball and support housing is point contact, the stress of generation is very big, so
Service life is shorter.
Therefore, research and development are a kind of simple in structure, and reliability is high, and the connecting support structure of service life length and easy care, is this
Field technology personnel technical barrier urgently to be resolved hurrily.
Invention content
That the present invention provides a kind of reliabilities is high, service life is long, simple in structure and easy care land leveller sliding revolution
Supporting structure, to overcome defect above-mentioned in the prior art.
Realization that the present invention adopts the following technical solutions：
The land leveller slides pivoting support structure, including planetary reduction gear shell and fulcrum bearing, the planetary reduction gear shell
Composition spacer A, composite bush and Composition spacer B, the right side of the planetary reduction gear shell are assembled in the right-hand end outer circle of body successively
Pressing plate is fixed on side end face, the inner circle of the composite bush is clearance fit with the outer circle of planetary reduction gear shell, described multiple
It designs and has the gap between the inner circle and the outer circle of planetary reduction gear shell of conjunction gasket, the inner circle of the fulcrum bearing and the outer circle of composite bush
For interference fit, there are gap, composite bush is answered for the Composition spacer B and the contact surface of planetary reduction gear shell and pressing plate
It is face contact to close the contact between the coupled shells of gasket A and Composition spacer B, and stress is greatly disperseed and dropped
It is low
Forced filling oil cup everywhere is evenly equipped in the fulcrum bearing, it can regular grease up when needing.
Border groove is opened up in the middle part of the outer circle of the composite bush.
It is provided with oil duct in the fulcrum bearing.
Sealing ring is housed between planetary reduction gear shell, sealing ring effect is prevented in pivoting support on the left of the fulcrum bearing
Lubricating grease ooze out and it is dust-proof.
The fulcrum bearing end is connecting flange structure, is directly connected with the inner panel of the balance box assembly, into one
Step simplifies structure.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention, which solves, crosses orientation problem, pivoting support structural bearing existing for existing land leveller copper sheathing connection structure
The weight of complete machine, effectively prevents the defect of the internal excessive damage of taper roll bearing stress, reliability gets a promotion；
(2) present invention solve the problems, such as that existing steel ball pivoting support system point contact stress is excessive, composite bush and
Contact between the coupled shell of Composition spacer is face contact, and stress is greatly disperseed and reduced, and the longevity is used
Life gets a promotion；
(3) present invention solves the problems, such as that existing steel ball pivoting support structural rail Internal and external cycle processing is complicated and difficult,
Effectively reduce processing cost；
(4) present invention replaces existing support housing inner ring using planetary reduction gear shell end outer circle, uses fulcrum bearing end
Connecting flange is served as in portion, and total is made greatly to be simplified, and largely reduces whole bridge cost, and easily assembly and dimension
Shield.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the portions the I enlarged drawing of Fig. 1；
Fig. 3 is the portions the II enlarged drawing of Fig. 1；
Fig. 4 is the axonometric drawing of the present invention；
Fig. 5 is the structural schematic diagram that tandem-driving bogie and planetary reduction gear connect through the invention
In figure：1, planetary reduction gear shell；2, sealing ring；3, Composition spacer A；4, fulcrum bearing；5, composite bush；6, composite pad
Piece B；7, pressing plate；8, connection bolt A；9, oil duct；10, groove；11, connecting flange structure；12, forced filling oil cup；13, planetary reduction gear
Device；14, bolt B is connected；15, tandem-driving bogie.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, land leveller of the present invention slides pivoting support structure, including planetary reduction gear shell
1 and fulcrum bearing 4, Composition spacer A3, composite bush 5 and composite pad are assembled successively in the right-hand end outer circle of planetary reduction gear shell 1
The function instead of former pivoting support structure inner ring shell is played in piece B6, the 1 end excircle part retrofit of planetary reduction gear shell,
Structure is set to be simplified.
The inner circle of composite bush 5 is designed as clearance fit with the outer circle of planetary reduction gear shell 1, while Composition spacer A3's is interior
It designs and has the gap between circle and the outer circle of planetary reduction gear shell 1；The inner circle of fulcrum bearing 4 and the outer circle of composite bush 5 are designed as interference
Cooperation；1 rightmost side end face of planetary reduction gear shell is equipped with threaded hole, and pressing plate 7 is fixed by connecting bolt A8 with planetary reduction gear shell 1
It is integrated；It is controlled by design size, there are gaps for Composition spacer B6 and the contact surface of planetary reduction gear shell 1 and pressing plate 7.
The present invention is using Composition spacer A3, composite bush 5 and Composition spacer B6 made of wear-resisting polymer composite
Instead of steel ball pivoting support structure, connecing between Composition spacer A3, composite bush 5 and the coupled shells of Composition spacer B6
It is face contact to touch, and stress is greatly disperseed and reduced, and has fabulous wearability and preferable self lubricity.
As shown in figure 4, being evenly equipped with forced filling oil cup 12 everywhere in fulcrum bearing 4, and oil duct 9, composite bush are provided in fulcrum bearing 4
Border groove 10 is opened up in the middle part of 5 outer circle, it can regular grease up when needing.
Sealing ring 2 is housed, the effect of sealing ring 2 is prevented in pivoting support between 4 left side of fulcrum bearing and planetary reduction gear shell 1
Lubricating grease ooze out and it is dust-proof.
4 end of fulcrum bearing is designed to connecting flange structure 11, is directly connected with the inner panel of 15 assembly of the tandem-driving bogie,
It is further simplified structure.
As shown in figure 5, the connecting flange structure 11 that the inner panel of planetary reduction gear 13 and tandem-driving bogie 15 passes through 4 end face of fulcrum bearing
And connection bolt B 14 is connected.
In conjunction with above-described embodiment, operation principle of the invention is：When land leveller operates, planetary reduction gear 13 is by connecting spiral shell
The fulcrum bearing 4 that bolt B14 and tandem-driving bogie 15 are connected as one, as the fluctuating on road surface, it can be achieved that swing together with tandem-driving bogie 15；With
The composite bush 5 of 4 elastic conjunction of fulcrum bearing together also with swinging together.And planetary reduction gear shell 1, and by connecting spiral shell
The pressing plate 7 that bolt A8 and planetary reduction gear shell 1 are fixed together is to maintain stationary；Therefore composite bush 5 and planetary reduction gear shell
Friction is produced relative sliding between body 1.The present invention slides pivoting support by most complete machine and whole bridge weight, composite bush 5,
Contact between shell coupled Composition spacer A3 and Composition spacer B6 is face contact, and stress is greatly disperseed
And reduction, service life get a promotion, and overcome traditional steel ball pivoting support steel ball by the big fragile, service life of contact stress
Disadvantage short, maintenance cost is high, improves product quality.
Claims (6)
1. a kind of land leveller slides pivoting support structure, including planetary reduction gear shell (1) and fulcrum bearing (4), it is characterised in that：Institute
It states and assembles Composition spacer A (3), composite bush (5) and Composition spacer B in the right-hand end outer circle of planetary reduction gear shell (1) successively
(6), pressing plate (7), the inner circle and row of the composite bush (5) are fixed in the right end face of the planetary reduction gear shell (1)
The outer circle of star decelerating casing (1) is clearance fit, between the inner circle and the outer circle of planetary reduction gear shell (1) of the Composition spacer A (3)
Equipped with gap, the inner circle of the fulcrum bearing (4) and the outer circle of composite bush (5) are interference fit, the Composition spacer B (6) and
There are gaps for the contact surface of planetary reduction gear shell (1) and pressing plate (7).
2. a kind of land leveller according to claim 1 slides pivoting support structure, it is characterised in that：The fulcrum bearing (4)
On be evenly equipped with forced filling oil cup (12) everywhere.
3. a kind of land leveller according to claim 2 slides pivoting support structure, it is characterised in that：The fulcrum bearing (4)
On be provided with oil duct (9).
4. a kind of land leveller according to claim 3 slides pivoting support structure, it is characterised in that：The composite bush
(5) border groove (10) is opened up in the middle part of outer circle.
5. a kind of land leveller according to claim 4 slides pivoting support structure, it is characterised in that：The fulcrum bearing (4)
Sealing ring (2) is housed between left side and planetary reduction gear shell (1).
6. a kind of land leveller according to claim 1-5 any one slides pivoting support structure, it is characterised in that：It is described
Fulcrum bearing (4) end is connecting flange structure (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810077380.7A CN108360589A (en) | 2018-01-26 | 2018-01-26 | Land leveller slides pivoting support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810077380.7A CN108360589A (en) | 2018-01-26 | 2018-01-26 | Land leveller slides pivoting support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108360589A true CN108360589A (en) | 2018-08-03 |
Family
ID=63007260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810077380.7A Pending CN108360589A (en) | 2018-01-26 | 2018-01-26 | Land leveller slides pivoting support structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108360589A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411648A (en) * | 2019-08-20 | 2021-02-26 | 卡特彼勒公司 | Seal assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004190232A (en) * | 2002-12-06 | 2004-07-08 | Komatsu Ltd | Circle structure of motor grader |
| CN201343743Y (en) * | 2008-12-29 | 2009-11-11 | 西北农林科技大学 | Land leveler drive axle and balance box supporting and connecting device |
| CN202608558U (en) * | 2011-11-29 | 2012-12-19 | 徐州徐工筑路机械有限公司 | Slewing bearing assembly for rear axle of grader |
| CN203213170U (en) * | 2012-12-25 | 2013-09-25 | 三一重工股份有限公司 | Swing frame locking device and land leveler |
| CN205421370U (en) * | 2016-03-15 | 2016-08-03 | 卡特彼勒（青州）有限公司 | Leveler and draw bail of transaxle and balance box thereof |
| CN105909769A (en) * | 2016-04-27 | 2016-08-31 | 徐州徐工筑路机械有限公司 | Dry type self-lubricating wheel edge assembly for rear axle of land leveler |
-
2018
- 2018-01-26 CN CN201810077380.7A patent/CN108360589A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004190232A (en) * | 2002-12-06 | 2004-07-08 | Komatsu Ltd | Circle structure of motor grader |
| CN201343743Y (en) * | 2008-12-29 | 2009-11-11 | 西北农林科技大学 | Land leveler drive axle and balance box supporting and connecting device |
| CN202608558U (en) * | 2011-11-29 | 2012-12-19 | 徐州徐工筑路机械有限公司 | Slewing bearing assembly for rear axle of grader |
| CN203213170U (en) * | 2012-12-25 | 2013-09-25 | 三一重工股份有限公司 | Swing frame locking device and land leveler |
| CN205421370U (en) * | 2016-03-15 | 2016-08-03 | 卡特彼勒（青州）有限公司 | Leveler and draw bail of transaxle and balance box thereof |
| CN105909769A (en) * | 2016-04-27 | 2016-08-31 | 徐州徐工筑路机械有限公司 | Dry type self-lubricating wheel edge assembly for rear axle of land leveler |
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》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411648A (en) * | 2019-08-20 | 2021-02-26 | 卡特彼勒公司 | Seal assembly |
| US11453996B2 (en) | 2019-08-20 | 2022-09-27 | Caterpillar Inc. | Sealing assembly |
| CN112411648B (en) * | 2019-08-20 | 2023-11-03 | 卡特彼勒公司 | Seal assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180803 |
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| RJ01 | Rejection of invention patent application after publication |