CN103438199B - A kind of load carrier for planet circular system - Google Patents
A kind of load carrier for planet circular system Download PDFInfo
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- CN103438199B CN103438199B CN201310406287.3A CN201310406287A CN103438199B CN 103438199 B CN103438199 B CN 103438199B CN 201310406287 A CN201310406287 A CN 201310406287A CN 103438199 B CN103438199 B CN 103438199B
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- load carrier
- bearing part
- bearing
- bearing pin
- planetary gear
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Abstract
A kind of load carrier for planet circular system of the present invention, it include the intermeshing sun gear being respectively arranged on planet circular system and the first bearing part of the both sides of planetary gear with for that be connected with the first bearing part and can the second bearing part of elastic deformation.The present invention for the load carrier of planet circular system, its rigging error occurred when can effectively compensate for sun gear and planetary gear engagement, thus the load suffered by balanced sun gear and planetary gear, it is ensured that the use safety of this planet circular system.
Description
Technical field
The present invention relates to a kind of planet circular system, particularly relates to a kind of load carrier for carrying planet circular system.
Background technology
It is known that in planet circular system, it is fixing that planetary gear generally uses bearing pin to install.In actual moving process, sun gear and planetary gear typically require the deformation by bearing pin and compensate the rigging error of engagement place.In order to strengthen the compensation ability of bearing pin, bearing pin is such as designed to cantilevered bearing pin, and namely bearing pin one end is fixed and the other end is freely unsettled.Although cantilevered bearing pin can compensate rigging error when sun gear and planetary gear engagement, but the practical distortion that this compensation will cause bearing pin is uneven, cause the load skewness suffered by sun gear and planetary gear, thereby increase the danger of cantilevered bearing pin fracture.
Summary of the invention
In order to solve above-mentioned all or part of problem, the present invention provides a kind of load carrier for planet circular system, its rigging error occurred when can effectively compensate for sun gear and planetary gear engagement, thus the load suffered by balanced sun gear and planetary gear, it is ensured that the use safety of this planet circular system.
The present invention provides a kind of load carrier for planet circular system, it include the intermeshing sun gear being respectively arranged on planet circular system and the first bearing part of the both sides of planetary gear with for that be connected with the first bearing part and can the second bearing part of elastic deformation.
In one embodiment, the second bearing part is made up of rigid metallic material.
In one embodiment, planetary gear is connected between the first and second bearing parts by hollow bearing pin.
In one embodiment, hollow bearing pin is made up of rigid material.
In one embodiment, the keeper for hollow bearing pin being fixed on the first bearing part or the second bearing part it is equipped with at the two ends of hollow bearing pin.
In one embodiment, keeper is bolt, and bolt has the inner chamber running through overall.
In one embodiment, planetary gear is arranged on hollow bearing pin by self-aligning bearing.
In one embodiment, the two ends of self-aligning bearing fix respectively through the location shaft shoulder formed on hollow bearing pin and the adjusting sleeve being socketed on hollow bearing pin.
In one embodiment, this load carrier also includes positioning unit, and positioning unit includes the stop collar being located between the first and second bearing parts, and is fixed on the fixture on stop collar after the described first or second bearing part.
The load carrier for planet circular system according to the present invention, it can be effectively prevented from the situation that the rigging error that causes because of planetary gear and/or the mismachining tolerance of sun gear, quality of materials and operating characteristic is excessive, thus the load suffered by equilibrium sun gear and planetary gear, it is ensured that the use safety of this planet circular system and load carrier.Wherein, the flexural deformation of hollow bearing pin can partly or wholly compensate sun gear and planetary gear engagement time rigging error.It addition, the elastic deformation that the second bearing part can pass through self allows hollow bearing pin that suitable moving radially occurs, thus rigging error when compensating sun gear and planetary gear engagement further.Additionally, the simple in construction of the load carrier for planet circular system according to the present invention, easy to process, assembling easily, uses safety, consequently facilitating practice and extension application.
Accompanying drawing explanation
Based on embodiment reference accompanying drawing, the present invention will be described in more detail hereinafter.Wherein:
Fig. 1 shows the structural representation of the load carrier for planet circular system according to the present invention.
In the accompanying drawings, identical parts use identical accompanying drawing labelling.Accompanying drawing is not drawn according to actual ratio.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 shows the load carrier 50 for planet circular system according to the present invention.This load carrier 50 includes the first bearing part 5, and be connected with the first bearing part 5 compartment and can the second bearing part 4 of elastic deformation.Second bearing part 4 should be elected rigid metallic material as and make, and it can be preferably high-strength metal material so that it is have good rigidity and the ability of good elastic deformation.In order to facilitate the assembling of sun gear 1, the circle centre position at the second bearing part 4 can be provided with the circular hole 15 of the periphery more than sun gear 1.
According to the present invention, the intermeshing sun gear 1 of planet circular system and planetary gear 2 are arranged between the first bearing part 5 and the second bearing part 4.Planetary gear 2 is connected between the first bearing part 5 and the second bearing part 4 by hollow bearing pin 12.Engaging effect preferably to ensure that sun gear 1 and planetary gear 2 have, planetary gear 2 can pass through self-aligning bearing 3 and be arranged on hollow bearing pin 12.Hollow bearing pin 12 includes monoblock type and is formed radially in the location thereon shaft shoulder 9.The periphery of hollow bearing pin 12 is socketed with adjusting sleeve 14.Adjusting sleeve 14 can adjust the axial location on hollow bearing pin 12 residing for self-aligning bearing 3.Wherein, self-aligning bearing 3 is between the location shaft shoulder 9 and adjusting sleeve 14, so can be securely fixed on hollow bearing pin 12.Can be provided with for it being fixed on the keeper 10 on the first bearing part 5 in one end of hollow bearing pin 12, and the other end can be provided with the keeper 13 for it is fixed on the second bearing part 4.
In practical set process, would generally there is very big rigging error in the engagement place of sun gear 1 and planetary gear 2.This rigging error generally can be produced by sun gear 1 and/or the mismachining tolerance of planetary gear 2, quality of materials and operating characteristic so that the distribution of force of the hollow bearing pin 12 carrying planetary gear 2 is extremely uneven.Engaging effect preferably to ensure that sun gear 1 and planetary gear 2 have, the material of hollow bearing pin 12 is preferably rigid metallic material.
But, owing to hollow bearing pin 12 has good diastrophic ability, therefore it can compensate sun gear 1 by the flexural deformation of self and rigging error when planetary gear 2 engages.It is both preferably the bolt with hollow inner chamber to strengthen the diastrophic ability of hollow bearing pin 12, keeper 10 and keeper 13 further.
In the foregoing description, only for a planetary gear 2, the load carrier 50 for planet circular system of the present invention is described in detail, but is not intended to it and multiple planetary gear 2 cannot be installed.It is to say, when this load carrier 50 is provided with multiple planetary gear 2, it also can compensate rigging error when sun gear 1 engages with multiple planetary gears 2 whole or in part simultaneously.
In this embodiment, this load carrier 50 may also include the positioning unit 11 for supporting the first bearing part 5 and the second bearing part 4.Positioning unit 11 includes the stop collar 7 being located between the first bearing part 5 and the second bearing part 4, and is fixed on the fixture 8 on stop collar 7 after the first bearing part 5 or the second bearing part 4.The two ends of stop collar 7 are configured with female thread, and fixture 8 elect as can with the bolt of its screw-internal thread fit.Thus stop collar 7 can be securely fixed between the first bearing part 5 and the second bearing part 4.
According to the present invention, when after the engaging rigging error occurs of sun gear 1 and planetary gear 2, first can partly or entirely compensate sun gear 1 by the flexural deformation of hollow bearing pin 12 and rigging error when planetary gear 2 engages.Secondly, the second bearing part 4 can allow hollow bearing pin 12 that suitable moving radially occurs by the elastic deformation of self, thus rigging error when compensation sun gear 1 and planetary gear 2 engage further.
Easy to understand, planetary gear 2 and internal gear 6(can also be effectively compensated for also known as gear ring according to the present invention for the load carrier 50 of planet circular system) rigging error when engaging, its principle is essentially identical with principle described above.For saving for the purpose of length, omit at this.
The load carrier 50 for planet circular system according to the present invention, it can be effectively prevented from the situation that the rigging error that causes because of planetary gear 2 and/or the mismachining tolerance of sun gear 1, quality of materials and operating characteristic is excessive, thus the load suffered by equilibrium sun gear 1 and planetary gear 2, it is ensured that the use safety of this planet circular system and load carrier 50.It addition, the simple in construction of the load carrier 50 for planet circular system according to the present invention, easy to process, assembling easily, uses safety, consequently facilitating practice and extension application.
Although by reference to preferred embodiment, invention has been described, but without departing from the scope of the invention, it is possible to it is carried out various improvement and parts therein can be replaced with equivalent.Especially, as long as being absent from structural hazard, the every technical characteristic being previously mentioned in each embodiment all can combine in any way.The invention is not limited in the specific embodiment disclosed in literary composition, but include all technical schemes falling in scope of the claims.
Claims (6)
1. for the load carrier of planet circular system, including: be respectively arranged on the intermeshing sun gear of described planet circular system and the first bearing part of the both sides of planetary gear with for that be connected with the first bearing part and can the second bearing part of elastic deformation；
Described second bearing part is made up of rigid metallic material；
Described planetary gear is connected between described first and second bearing parts by hollow bearing pin；
The keeper for described hollow bearing pin being fixed on described first bearing part or the second bearing part it is equipped with at the two ends of described hollow bearing pin.
2. load carrier according to claim 1, it is characterised in that described hollow bearing pin is made up of rigid material.
3. load carrier according to claim 1, it is characterised in that described keeper is bolt, described bolt has the inner chamber running through overall.
4. the load carrier according to any one of Claim 1-3, it is characterised in that described planetary gear is arranged on described hollow bearing pin by self-aligning bearing.
5. load carrier according to claim 4, it is characterised in that the two ends of described self-aligning bearing fix respectively through the location shaft shoulder formed on described hollow bearing pin and the adjusting sleeve being socketed on described hollow bearing pin.
6. load carrier according to claim 1, it is characterized in that, also including positioning unit, described positioning unit includes the stop collar being located between described first and second bearing parts, and is fixed on the fixture on stop collar after the described first or second bearing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310406287.3A CN103438199B (en) | 2013-09-09 | 2013-09-09 | A kind of load carrier for planet circular system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310406287.3A CN103438199B (en) | 2013-09-09 | 2013-09-09 | A kind of load carrier for planet circular system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103438199A CN103438199A (en) | 2013-12-11 |
| CN103438199B true CN103438199B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310406287.3A Active CN103438199B (en) | 2013-09-09 | 2013-09-09 | A kind of load carrier for planet circular system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2293681Y (en) * | 1997-01-29 | 1998-10-07 | 诸城市金明减速机股份有限公司 | Small planetary gear reducer |
| EP1544504A2 (en) * | 2003-12-19 | 2005-06-22 | Winergy AG | Planetary transmission, in particular for wind power plant |
| CN201531565U (en) * | 2009-04-02 | 2010-07-21 | 刘兴邦 | Speed reduction device for planetary gear |
| CN102466028A (en) * | 2010-11-11 | 2012-05-23 | 谢夫勒科技有限两合公司 | Planet transmission device |
| CN202251720U (en) * | 2011-09-08 | 2012-05-30 | 江阴克威齿轮箱制造有限公司 | Speed reducer for tractor |
| CN103104690A (en) * | 2013-02-05 | 2013-05-15 | 杭州前进齿轮箱集团股份有限公司 | Elastic support structure of planet wheel |
| TW201333347A (en) * | 2012-02-07 | 2013-08-16 | Nat Univ Chung Cheng | Zero-backlash planetary gear mechanism |
| CN203488694U (en) * | 2013-09-09 | 2014-03-19 | 株洲高精传动技术有限公司 | Bearing mechanism for planetary gear train |
-
2013
- 2013-09-09 CN CN201310406287.3A patent/CN103438199B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2293681Y (en) * | 1997-01-29 | 1998-10-07 | 诸城市金明减速机股份有限公司 | Small planetary gear reducer |
| EP1544504A2 (en) * | 2003-12-19 | 2005-06-22 | Winergy AG | Planetary transmission, in particular for wind power plant |
| CN201531565U (en) * | 2009-04-02 | 2010-07-21 | 刘兴邦 | Speed reduction device for planetary gear |
| CN102466028A (en) * | 2010-11-11 | 2012-05-23 | 谢夫勒科技有限两合公司 | Planet transmission device |
| CN202251720U (en) * | 2011-09-08 | 2012-05-30 | 江阴克威齿轮箱制造有限公司 | Speed reducer for tractor |
| TW201333347A (en) * | 2012-02-07 | 2013-08-16 | Nat Univ Chung Cheng | Zero-backlash planetary gear mechanism |
| CN103104690A (en) * | 2013-02-05 | 2013-05-15 | 杭州前进齿轮箱集团股份有限公司 | Elastic support structure of planet wheel |
| CN203488694U (en) * | 2013-09-09 | 2014-03-19 | 株洲高精传动技术有限公司 | Bearing mechanism for planetary gear train |
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| Publication number | Publication date |
|---|---|
| CN103438199A (en) | 2013-12-11 |
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Effective date of registration: 20151028 Address after: Dong Jia Duan high-tech park in Hunan province 412002 Zhuzhou city Lusong District Applicant after: Hunan Nanfang Aviation High Precision Transmission Co., Ltd. Address before: Dong Jia Duan high-tech park in Hunan province 412002 Zhuzhou city Lusong District Applicant before: Zhuzhou Gaojing Transmission Technology Co., Ltd. |
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