CN107178607B - Split type high-precision planet carrier and machining method thereof - Google Patents
Split type high-precision planet carrier and machining method thereof Download PDFInfo
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- CN107178607B CN107178607B CN201710467719.XA CN201710467719A CN107178607B CN 107178607 B CN107178607 B CN 107178607B CN 201710467719 A CN201710467719 A CN 201710467719A CN 107178607 B CN107178607 B CN 107178607B
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- planet carrier
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
Abstract
The invention provides a split type high-precision planet carrier and a processing method thereof. Three concentric step convex circles are raised on one side of the auxiliary planet carrier; the intermediate convex circle may be used to support the planet carrier. The main planet carrier and the auxiliary planet carrier are fastened together. During processing, the main planet carrier, the auxiliary planet carrier and the positioning pin are processed according to the independent size element, roughness element and form and position tolerance element of the parts; after fine reference adjustment, processing a positioning pin hole under the state that the main planet carrier and the auxiliary planet carrier are combined; and finally, completing the design of the size and form and position tolerance of the planet wheel shaft hole by centering, aligning, processing and positioning. The invention solves the problems that the split high-precision planet carrier assembly cannot be disassembled, assembled, adjusted and processed, and can ensure that the supporting and positioning precision of the main planet carrier and the auxiliary planet carrier is unchanged after the planet carrier is disassembled and installed for many times.
Description
Technical Field
The invention belongs to the technical field of mechanical transmission, and the method is used for designing a split type high-precision planet carrier.
Background
The planet carrier is one of basic central components of the planetary transmission and has the functions of transmitting motion, load, power and the like. Planetary transmission devices transmitting the same power generally adopt technical approaches of increasing the rotating speed and reducing the transmission torque to increase the power density and reduce the bearing volume. The planetary transmission has the phenomena of internal excitation, system vibration and the like, in order to improve the power density and the transmission rotating speed, the method can increase the meshing frequency of the planetary transmission unit undoubtedly and intensify the system vibration, and the phenomena of support dislocation, rotating member resonance and the like are generated by the internal excitation, so that the early failure of the planetary row member is caused.
In view of the above-mentioned shortcomings of the prior art, it is desirable to provide a high-precision planet carrier capable of adapting to high-speed operation and reducing excitation inside a planet row.
Disclosure of Invention
In view of the above, in order to meet the requirements of sun gear installation, planet gear gap adjustment and high rotating speed bearing, the invention provides a split type high-precision planet carrier, which realizes high-precision design when a split main planet carrier and a split auxiliary planet carrier are combined into a planet carrier assembly, comprehensively considers the process, processing and assembly of the planet carrier on the premise of meeting use conditions, completes the convenient and reliable development of the planet carrier, and meets the use requirements.
The technical scheme adopted by the invention is as follows:
a split type high-precision planet carrier is composed of a main planet carrier and an auxiliary planet carrier, wherein the main planet carrier and the auxiliary planet carrier respectively comprise a circular main disc provided with a central hole, and the main discs of the main planet carrier and the auxiliary planet carrier are respectively provided with a planet wheel shaft hole, a planet carrier positioning pin hole and a planet carrier bolt hole which are in one-to-one correspondence; the central holes of the main planet carrier and the auxiliary planet carrier are coaxial; one side of the circular main disc of the auxiliary planet carrier is a plane, and the other side of the circular main disc of the auxiliary planet carrier is raised with three concentric step-type convex circles around the central hole; the diameters of the three convex circles, namely the inner convex circle, the middle convex circle and the outer convex circle, are reduced in sequence from inside to outside; the convex circle at the outer side is a spline and can be connected with other parts, and the convex circle at the middle part is a matching surface of an inner hole of the bearing and can be used for supporting the planet carrier; the central hole of the main planet carrier is a matching surface of an outer hole of a bearing, and the planet carrier is supported by the bearing; the plane sides of the main planet carrier and the auxiliary planet carrier are opposite, and the main planet carrier and the auxiliary planet carrier are fastened together through the main planet carrier bolt holes and the auxiliary planet carrier bolt holes by fastening bolts.
An oil hole is arranged between the auxiliary planet wheel shaft hole and the central hole.
The main planet carrier and the auxiliary planet carrier are positioned by positioning pins arranged in positioning pin holes of the main planet carrier and the auxiliary planet carrier.
Main, vice planet shaft hole respectively have 4, and planet carrier locating pin hole also respectively has 4, and the planet carrier bolt hole respectively has 8.
The high-precision planet carrier is made of 38 CrSi.
A split type high-precision planet carrier machining method comprises the following steps:
(1) and finishing the independent size element, roughness element and form and position tolerance element processing of the main planet carrier, the auxiliary planet carrier and the positioning pin according to respective references:
a. processing an outer circumferential reference surface B of the middle convex circle and an outer side plane reference surface A of the inner side convex circle of the auxiliary planet carrier, and ensuring that the roughness of the two reference surfaces is less than or equal to 1.6; then carrying out rough machining on the size of the auxiliary planet wheel shaft hole;
b. finishing the machining of a central hole reference surface C and a plane reference surface D relative to the auxiliary planet carrier on the main planet carrier, ensuring that the roughness of the reference C is less than or equal to 1.6 and the plane roughness of the reference D is less than or equal to 0.8, and finishing the rough machining of the size of a shaft hole of the main planet wheel;
c. processing the outer surface of the positioning pin, wherein the tolerance grade of the outer diameter dimension of the positioning pin is n 6;
(2) the design of fine adjustment of the primary planet carrier assembly and the secondary planet carrier assembly is as follows: when the main planet carrier and the auxiliary planet carrier are combined, an outer side reference surface B of a support circle of the auxiliary planet carrier is used as a reference surface for processing and using, an inner side convex circle plane reference surface A is used as an auxiliary reference surface, then the main planet carrier is radially and finely adjusted, the jumping of a center hole wall reference C of the main planet carrier relative to the auxiliary planet carrier reference B is ensured to be less than or equal to phi 0.03, the main planet carrier and the auxiliary planet carrier are accurately combined, and the main planet carrier and the auxiliary planet carrier are fastened through fastening bolts;
(3) and the positioning holes of the main planet carrier and the auxiliary planet carrier are designed: after the main planet carrier and the auxiliary planet carrier are combined and fastened, processing a positioning pin hole in a combined state;
(4) and the positioning pin is installed to realize radial small clearance or interference positioning of the main planet carrier and the auxiliary planet carrier.
(5) Processing a planetary wheel shaft hole of the split type planet carrier assembly: the axis of the main planet carrier bearing support hole and the axis of the auxiliary planet carrier bearing support circle are taken as a combined reference C-B to finish the dimension elements of the planet wheel shaft hole of the planet carrier assembly;
(6) determining technical requirements of balance elements after processing according to the highest using rotating speed and mass of the planet carrier, calculating unbalance accuracy according to G2.5 level, and performing static test on the split planet carrier assembly when the width-diameter ratio of the planet carrier assembly is less than 0.2; and when the value is more than or equal to 0.2, performing dynamic balance requirement.
In step (1) a, the circular run-out of datum plane a with reference to datum plane B is less than or equal to 0.03 mm.
In step (1) b, the circular run-out of the datum plane C with reference to the datum plane D is less than or equal to 0.03 mm.
In the step (1) c, the processing cylindrical surface roughness of the outer surface of the positioning pin is less than or equal to 0.8.
In step (3), the tolerance of the inner diameter of the positioning pin hole is designed to be H7, and the roughness of the cylindrical surface of the positioning pin hole is less than or equal to 0.8.
In step (5), the position degree of the planet shaft hole of the planet carrier assembly relative to the combined reference C-B is less than or equal to phi 0.035.
In the step (5), the parallelism of the planetary axle holes of the split planet carrier assembly is less than or equal to 0.02, and the roughness factor is 0.8.
In the step (6), according to the highest use rotating speed and the highest use mass of the planet carrier, when the split planet carrier assembly is subjected to static test, the unbalance precision is calculated according to G2.5 level, and the test unbalance moment is less than or equal to 0.42N cm.
Compared with the closest prior art, the invention has the following beneficial effects:
1. by adopting the split planet carrier, the problems that the split high-precision planet carrier assembly cannot be disassembled, assembled, adjusted and processed are solved, and the support and positioning precision of the main planet carrier and the auxiliary planet carrier can be ensured to be unchanged after the planet carrier is disassembled and installed for multiple times;
2. when the planet carrier is combined, high-precision centering (jumping is less than or equal to) of the combined part is realized by designing main and auxiliary planet carrier reference alignment elements, and a combined reference capable of restraining the sizes and form and position tolerances of the main and auxiliary planet carriers is generated at the same time, so that association is generated between the elements formed by split processing and the elements formed by combined processing, and the state processing precision of parts and assemblies of the main and auxiliary planet carriers is ensured;
3. the main planet carrier and the auxiliary planet carrier which are formed by radial small gaps or interference positioning pins are limited mutually, so that the positioning accuracy is unchanged after the planet carrier is disassembled and installed for many times;
4. the novel material is adopted for manufacturing, so that the weight of the planet carrier is reduced or the service life of the planet carrier is prolonged.
Drawings
FIG. 1a is a schematic plan view of the secondary planet carrier, FIG. 1b is a schematic cross-sectional view I-I of FIG. 1a,
fig. 2a is a schematic plan view of the main planet carrier, fig. 2b is a schematic sectional view ii-ii in fig. 2a,
FIG. 3 is an assembly view of the main and auxiliary planetary carriers,
FIG. 4 is a schematic view of a locating pin.
In the figure:
1. an auxiliary planet carrier 1.1, an auxiliary planet wheel axle hole 1.2, an auxiliary planet carrier positioning pin hole 1.3 and an auxiliary planet carrier bolt hole,
2. a main planet carrier 2.1, a main planet wheel axle hole 2.2, a main planet carrier positioning pin hole 2.3 a main planet carrier bolt hole,
3. an oil hole is formed in the oil tube,
4. a positioning pin is arranged on the positioning plate,
5. and fastening the bolt.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
In order to keep high precision of the split planet carrier positioning hole, the support hole and the planet wheel shaft hole in the links of processing, disassembling, mounting, component assembly and the like, reduce internal excitation caused by eccentricity, dislocation and transmission errors and reduce vibration, the split planet carrier design scheme provided by the invention has the advantages that after the main planet carrier and the auxiliary planet carrier finish the processing of dimension elements, structural elements (splines, support holes and the like) and independent form and position tolerance elements according to respective references, high-precision combination, processing and positioning are realized through centering and aligning, then the dimension and form and position tolerance design of the planet wheel shaft hole is finished, the integral planet carrier assembly overall design is formed, a convenient and feasible technical scheme is provided for the split planet carrier process and processing, and a technical support is provided for developing high-precision planetary transmission. The split high-precision planet carrier machining method is implemented as follows:
referring to fig. 1a, 1b, 2a and 2b, the split high-precision planet carrier of the present invention is composed of a main planet carrier 2 and an auxiliary planet carrier 1. The auxiliary planet carrier 1 is provided with a central hole, the auxiliary planet carrier 1 comprises a circular main disc, and an auxiliary planet wheel shaft hole 1.1, an auxiliary planet carrier positioning pin hole 1.2 and an auxiliary planet carrier bolt hole 1.3 are respectively arranged on the periphery of the central hole. One side of the circular main disc is a plane, and the other side of the circular main disc is provided with three concentric step-type convex circles protruding around the central hole. The diameters of the three convex circles, namely the inner convex circle, the middle convex circle and the outer convex circle, are reduced in sequence from inside to outside. The convex circle on the outer side is a spline and can be connected with other parts, and the convex circle in the middle is a bearing inner hole matching surface and can be used for supporting the planet carrier. The central hole of the main planet carrier is a matching surface of an outer hole of the bearing, and the planet carrier is supported by the bearing. An oil hole 3 is arranged between the auxiliary planet shaft hole 1.1 and the central hole. The main planet carrier 2 also comprises a circular main disc provided with a central hole (namely a main planet carrier bearing support hole), and the periphery of the central hole is also respectively provided with a main planet wheel shaft hole 2.1, a main planet carrier positioning pin hole 2.2 and a main planet carrier bolt hole 2.3. The center hole of the auxiliary planet carrier 1 and the center hole of the main planet carrier 2 are coaxial, and the auxiliary planet wheel axle hole 1.1, the auxiliary planet carrier positioning pin hole 1.2 and the auxiliary planet carrier bolt hole 1.3 are respectively in one-to-one correspondence with the main planet wheel axle hole 2.1, the main planet carrier positioning pin hole 2.2 and the main planet carrier bolt hole 2.3.
Referring to fig. 3, the plane sides of the main carrier 2 and the sub carrier 1 are opposed, and the main carrier 2 and the sub carrier 1 are fastened together by fastening bolts 5 through sub carrier bolt holes 1.3 and main carrier bolt holes 2.3 and positioned by positioning pins 4 placed in the sub carrier positioning pin holes 1.2 and the main carrier positioning pin holes 2.2.
Wherein, vice planet shaft hole 1.1 and main planet shaft hole 2.1 respectively have 4, and vice planet carrier locating pin hole 1.2 and main planet carrier locating pin hole 2.2 also respectively have 4, and vice planet carrier bolt hole 1.3 and main planet carrier bolt hole 2.3 respectively have 8.
The high-precision planet carrier is made of 38 CrSi.
The invention relates to a processing method suitable for a split type high-precision planet carrier, which comprises the following steps:
1. and (3) finishing the independent size element, roughness element and form and position tolerance element processing of the main planet carrier, the auxiliary planet carrier and the positioning pin according to respective references:
(1) processing an outer circumferential reference surface B of the middle convex circle and an outer side plane reference surface A of the inner side convex circle of the auxiliary planet carrier 1 to ensure that the roughness of the two reference surfaces is less than or equal to 1.6 and the circular runout of the reference surface A with reference to the reference surface B is less than or equal to 0.03 mm; and then carrying out rough machining on the size of 1.1 of the auxiliary planet axle hole.
(2) And finishing the machining of a reference surface C of a central hole (namely a bearing support hole of the main planet carrier) and a reference surface D of a plane opposite to the auxiliary planet carrier on the main planet carrier, ensuring that the roughness of the reference surface C is less than or equal to 1.6, the plane roughness of the reference surface D is less than or equal to 0.8, the circular runout of the reference surface C with reference to the reference surface D is less than or equal to 0.03mm, and finishing the rough machining of the size of a shaft hole 2.1 of the main planet wheel.
(3) As shown in fig. 4, the outer surface of the positioning pin 4 is machined to have a cylindrical roughness of 0.8 or less and an outer diameter dimensional tolerance rating of n 6.
2. Design of fine adjustment of main and auxiliary planet carrier assemblies reference: when the main planet carrier and the auxiliary planet carrier are combined, an outer circumference reference surface B of a supporting circle of the auxiliary planet carrier is used as a reference surface for processing and using, an outer side plane reference surface A of an inner side convex circle is used as an auxiliary reference surface, then the main planet carrier 2 is radially and finely adjusted, the jumping of a center hole wall reference C of the main planet carrier relative to the reference B of the auxiliary planet carrier is ensured to be less than or equal to phi 0.03, and the accurate combination of the main planet carrier and the auxiliary planet carrier is realized. And fastened by fastening bolts 5.
3. Design of positioning holes of the main planet carrier and the auxiliary planet carrier: after the main planet carrier and the auxiliary planet carrier are combined and fastened, a positioning pin hole is machined in a combined state, the tolerance of the inner diameter of the positioning pin hole is designed to be H7, and the roughness of the cylindrical surface of the positioning pin hole is less than or equal to 0.8.
4. And a positioning pin is arranged to realize radial small clearance or interference positioning of the main planet carrier and the auxiliary planet carrier.
5. Processing a planetary wheel shaft hole of the split planet carrier assembly: and (3) taking the axes of the main planet carrier bearing support hole and the auxiliary planet carrier bearing support circle as a combined reference, finishing the dimension element of the planet wheel axle hole of the planet carrier assembly, and requiring that the position degree of the main planet wheel axle hole and the auxiliary planet carrier planet wheel axle hole relative to the combined reference C-B is less than or equal to phi 0.035, the parallelism degree of the planet wheel axle hole of the split planet carrier assembly is less than or equal to 0.02, and the roughness element is 0.8.
6. Determining technical requirements of balance elements after processing according to the highest using rotating speed and mass of the planet carrier, and calculating unbalance accuracy according to G2.5 level; when the width-diameter ratio of the planet carrier assembly is less than 0.2, the split planet carrier assembly is subjected to static test, and the test unbalanced moment is less than or equal to 0.42N cm; and when the value is more than or equal to 0.2, performing dynamic balance requirement.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical design principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A split type high-precision planet carrier machining method comprises the following steps:
(1) and finishing the independent size element, roughness element and form and position tolerance element processing of the main planet carrier, the auxiliary planet carrier and the positioning pin according to respective references:
a. processing an outer circumferential reference surface B of the middle convex circle and an outer side plane reference surface A of the inner side convex circle of the auxiliary planet carrier, and ensuring that the roughness of the two reference surfaces is less than or equal to 1.6; then carrying out rough machining on the size of the auxiliary planet wheel shaft hole;
b. finishing the machining of a central hole reference surface C and a plane reference surface D relative to the auxiliary planet carrier on the main planet carrier, ensuring that the roughness of the reference C is less than or equal to 1.6 and the plane roughness of the reference D is less than or equal to 0.8, and finishing the rough machining of the size of a shaft hole of the main planet wheel;
c. processing the outer surface of the positioning pin, wherein the tolerance grade of the outer diameter dimension of the positioning pin is n 6;
(2) the design of fine adjustment of the primary planet carrier assembly and the secondary planet carrier assembly is as follows: when the main planet carrier and the auxiliary planet carrier are combined, an outer side reference surface B of a support circle of the auxiliary planet carrier is used as a reference surface for processing and using, an inner side convex circle plane reference surface A is used as an auxiliary reference surface, then the main planet carrier is radially and finely adjusted, the jumping of a center hole wall reference C of the main planet carrier relative to the auxiliary planet carrier reference B is ensured to be less than or equal to phi 0.03, the main planet carrier and the auxiliary planet carrier are accurately combined, and the main planet carrier and the auxiliary planet carrier are fastened through fastening bolts;
(3) and the positioning holes of the main planet carrier and the auxiliary planet carrier are designed: after the main planet carrier and the auxiliary planet carrier are combined and fastened, processing a positioning pin hole in a combined state;
(4) installing a positioning pin to realize radial small clearance or interference positioning of the main planet carrier and the auxiliary planet carrier;
(5) processing a planetary wheel shaft hole of the split type planet carrier assembly: the axis of the main planet carrier bearing support hole and the axis of the auxiliary planet carrier bearing support circle are taken as a combined reference C-B to finish the dimension elements of the planet wheel shaft hole of the planet carrier assembly;
(6) determining technical requirements of balance elements after processing according to the highest using rotating speed and mass of the planet carrier, calculating unbalance accuracy according to G2.5 level, and performing static test on the split planet carrier assembly when the width-diameter ratio of the planet carrier assembly is less than 0.2; and when the value is more than or equal to 0.2, performing dynamic balance requirement.
2. The processing method according to claim 1, characterized in that: in step (1) a, the circular run-out of datum plane a with reference to datum plane B is less than or equal to 0.03 mm.
3. The processing method according to claim 1, characterized in that: in step (1) b, the circular run-out of the datum plane C with reference to the datum plane D is less than or equal to 0.03 mm.
4. The processing method according to claim 1, characterized in that: in the step (1) c, the processing cylindrical surface roughness of the outer surface of the positioning pin is less than or equal to 0.8.
5. The processing method according to claim 1, characterized in that: in step (3), the tolerance of the inner diameter of the positioning pin hole is designed to be H7, and the roughness of the cylindrical surface of the positioning pin hole is less than or equal to 0.8.
6. The processing method according to claim 1, characterized in that: in step (5), the position degree of the planet shaft hole of the planet carrier assembly relative to the combined reference C-B is less than or equal to phi 0.035.
7. The processing method according to claim 1, characterized in that: in the step (5), the parallelism of the planetary axle holes of the split planet carrier assembly is less than or equal to 0.02, and the roughness factor is 0.8.
8. The processing method according to claim 1, characterized in that: in the step (6), according to the highest use rotating speed and the highest use mass of the planet carrier, when the split planet carrier assembly is subjected to static test, the unbalance precision is calculated according to G2.5 level, and the test unbalance moment is less than or equal to 0.42N cm.
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| CN201710467719.XA CN107178607B (en) | 2017-06-20 | 2017-06-20 | Split type high-precision planet carrier and machining method thereof |
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| CN201710467719.XA CN107178607B (en) | 2017-06-20 | 2017-06-20 | Split type high-precision planet carrier and machining method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107539889A (en) * | 2017-09-21 | 2018-01-05 | 徐州锦程行星传动有限公司 | Integral shaft supporting structure and its processing technology |
| CN107542890A (en) * | 2017-09-21 | 2018-01-05 | 徐州锦程行星传动有限公司 | A kind of processing technology of planet carrier structure and the planet carrier structure |
| CN109877532A (en) * | 2018-11-30 | 2019-06-14 | 中国第一汽车股份有限公司 | A kind of processing method of split type planet carrier assembly |
| CN109909696B (en) * | 2019-04-25 | 2021-07-30 | 沪东重机有限公司 | Split type gear box machining and assembling method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2270732A (en) * | 1992-09-03 | 1994-03-23 | Honda Motor Co Ltd | Double planetary carrier |
| RU2294470C1 (en) * | 2005-07-29 | 2007-02-27 | Общество с ограниченной ответственностью "КАТЕ" | Carrier for planetary reduction gear |
| JP2010169226A (en) * | 2009-01-26 | 2010-08-05 | Toyota Motor Corp | Carrier |
| CN201992002U (en) * | 2010-12-17 | 2011-09-28 | 无锡威孚中意齿轮有限责任公司 | Planetary gearing train structure |
| CN203463627U (en) * | 2013-09-06 | 2014-03-05 | 启东万惠机械制造有限公司 | Split planet carrier of winch |
| CN107002860A (en) * | 2014-12-03 | 2017-08-01 | 舍弗勒技术股份两合公司 | Planetary driving device with planet carrier |
-
2017
- 2017-06-20 CN CN201710467719.XA patent/CN107178607B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2270732A (en) * | 1992-09-03 | 1994-03-23 | Honda Motor Co Ltd | Double planetary carrier |
| RU2294470C1 (en) * | 2005-07-29 | 2007-02-27 | Общество с ограниченной ответственностью "КАТЕ" | Carrier for planetary reduction gear |
| JP2010169226A (en) * | 2009-01-26 | 2010-08-05 | Toyota Motor Corp | Carrier |
| CN201992002U (en) * | 2010-12-17 | 2011-09-28 | 无锡威孚中意齿轮有限责任公司 | Planetary gearing train structure |
| CN203463627U (en) * | 2013-09-06 | 2014-03-05 | 启东万惠机械制造有限公司 | Split planet carrier of winch |
| CN107002860A (en) * | 2014-12-03 | 2017-08-01 | 舍弗勒技术股份两合公司 | Planetary driving device with planet carrier |
Non-Patent Citations (1)
| Title |
|---|
| 行星传动行星架结构的改进实例;李勃;《山西科技》;20101120;第83-84页 * |
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