CN211667141U - Planet carrier with long service life - Google Patents
Planet carrier with long service life Download PDFInfo
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- CN211667141U CN211667141U CN201922376526.0U CN201922376526U CN211667141U CN 211667141 U CN211667141 U CN 211667141U CN 201922376526 U CN201922376526 U CN 201922376526U CN 211667141 U CN211667141 U CN 211667141U
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- planet carrier
- carrier body
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- gear
- ball
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- 238000003466 welding Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a planet carrier technical field just discloses a long service life's planet carrier, including the planet carrier body, the positive movable mounting of planet carrier body has first pivot, first gear has been cup jointed to the outer wall of first pivot, the front of planet carrier body and the periphery that is located first gear have seted up the spout, the inside movable mounting of spout has the guide rail, the inner wall movable mounting of guide rail has first ball. This long service life's planet carrier drives the end cover through the second pivot and rotates on the planet carrier body to through the preliminary frictional force that reduces between second pivot and the end cover of second bearing, the frictional force between rethread first ball and the second ball reduce end cover and the planet carrier body, make first pivot and second pivot move more stably and reduce the wearing and tearing of first pivot at the transmission in-process, thereby prolonged the life of this planet carrier, reached long service life's effect.
Description
Technical Field
The utility model relates to a planet carrier technical field specifically is a long service life's planet carrier.
Background
The planet carrier is one of the main components of the planetary gear transmission device, a planet wheel shaft or a bearing is arranged on the planet carrier, when a planet wheel is used as a basic component, the planet wheel is a part which bears the maximum external moment in the mechanism, the structural design and the manufacture of the planet wheel greatly influence the load distribution among the planet wheels so as to ensure the bearing capacity, the noise, the vibration and the like of the transmission device, the reasonable structure of the planet carrier is light in weight, good in rigidity and convenient to process and assemble, the common structural forms of the planet carrier comprise three types of double-side-plate integral type, double-side-plate separated type and single-side-plate type, the double-side-plate integral type is good in rigidity, if the structure is integrally forged, the cutting machining amount is large, therefore, a blank with a structure and a size close to a finished product can be obtained by using a casting and welding method, but the casting or welding defects and internal stress are eliminated, the double-side plate split type planetary gear transmission mechanism is more complex than an integral structure and is mainly used for the condition of smaller transmission, and because the diameter of a planetary gear is smaller, a planetary gear bearing is usually arranged on two side wall plates of a planetary carrier, so that the outer diameter of the planetary carrier is larger than the diameter of an inner tooth top circle; the aperture of the center of the side plate of the planet carrier is smaller than that of the sun gear.
The planet wheel is generally limited by the limiting groove of the traditional planet carrier, the friction resistance of the traditional planet carrier is large, the problem that the service life of the planet carrier is short is caused, and the like, so that the planet carrier with long service life is provided to solve the problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a long service life's planet carrier possesses advantages such as long service life, has solved traditional planet carrier and generally has carried on spacingly to the planet wheel through the spacing groove, and its frictional resistance is big, causes the problem of planet carrier life weak point etc..
(II) technical scheme
In order to realize the purpose of the service life, the utility model provides a following technical scheme: a planet carrier with long service life comprises a planet carrier body, wherein a first rotating shaft is movably arranged on the front side of the planet carrier body, a first gear is sleeved on the outer wall of the first rotating shaft, a sliding groove is formed in the front side of the planet carrier body and positioned on the periphery of the first gear, a guide rail is movably arranged in the sliding groove, a first ball is movably arranged on the inner wall of the guide rail, a first limiting ring is movably arranged on the outer wall of the first ball, a first mounting groove corresponding to the first ball is formed in the inner wall of the first limiting ring, a second ball is movably arranged on the outer wall of the guide rail, a second limiting ring is movably arranged on the outer wall of the second ball, a second mounting groove corresponding to the second ball is formed in the inner wall of the second limiting ring, an end cover is movably arranged on the front side of the guide rail, and a second rotating shaft is movably arranged on the, the outer wall of the end cover is sleeved with a second gear meshed with the first gear, and the front surface of the planet carrier body is provided with a gear groove meshed with the second gear.
Preferably, the planet carrier body is a circular fixing frame, the outer wall of the front face of the planet carrier body and located on the first rotating shaft is sleeved with a first bearing, and the outer wall of the front face of the end cover and located on the second rotating shaft is sleeved with a second bearing.
Preferably, the spout is annular groove, the centre of a circle of planet carrier body, first pivot and spout all is on same axis.
Preferably, the guide rail is an annular guide rail, the number of the first balls and the second balls is twenty-four, and the twenty-four first balls and the twenty-four second balls are distributed on the planet carrier body in a circular and circular array mode by using the planet carrier body.
Preferably, the number of the second gears and the number of the second rotating shafts are three, and the three second gears are distributed on the planet carrier body in a circular and circular array mode by using the planet carrier body.
Preferably, the first limit ring and the second limit ring both comprise an upper ring and a lower ring, and the upper ring and the lower ring are connected by welding.
(III) advantageous effects
Compared with the prior art, the utility model provides a long service life's planet carrier possesses following beneficial effect:
this long service life's planet carrier, it is rotatory to drive first gear through first pivot, first gear drives the second pivot through the second gear and rotates, the gear groove effect on second gear and the planet carrier body simultaneously and drive the second pivot and rotate on the planet carrier body, reach simple and convenient planetary drive's effect, it is rotatory on the planet carrier body to drive the end cover through the second pivot, and tentatively reduce the frictional force between second pivot and the end cover through the second bearing, rethread first ball and second ball reduce the frictional force between end cover and the planet carrier body, make first pivot and second pivot move more stably and reduce the wearing and tearing between first pivot and the end cover in transmission process, thereby the life of this planet carrier has been prolonged, reach long service life's effect, make this planet carrier facilitate promotion.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the point A in the structure of FIG. 1;
fig. 3 is an enlarged view of the position B in the structure diagram 1 of the present invention.
In the figure: the planet carrier comprises a planet carrier body 1, a first rotating shaft 2, a first gear 3, a sliding groove 4, a guide rail 5, a first ball 6, a first limiting ring 7, a first mounting groove 8, a second ball 9, a second limiting ring 10, a second mounting groove 11, an end cover 12, a second rotating shaft 13, a second gear 14 and a gear groove 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a planet carrier with a long service life comprises a planet carrier body 1, a first rotating shaft 2 is movably mounted on the front surface of the planet carrier body 1, a first gear 3 is sleeved on the outer wall of the first rotating shaft 2, a sliding groove 4 is formed in the front surface of the planet carrier body 1 and located at the periphery of the first gear 3, the sliding groove 4 is an annular groove, the circle centers of the planet carrier body 1, the first rotating shaft 2 and the sliding groove 4 are all on the same axis, a guide rail 5 is movably mounted inside the sliding groove 4, a first ball 6 is movably mounted on the inner wall of the guide rail 5, a first limit ring 7 is movably mounted on the outer wall of the first ball 6, a first mounting groove 8 corresponding to the first ball 6 is formed in the inner wall of the first limit ring 7, a second ball 9 is movably mounted on the outer wall of the guide rail 5, the guide rail 5 is an annular guide rail, and the number of the, twenty-four first balls 6 and twenty-four second balls 9 are distributed on the planet carrier body 1 in a circular right circular array mode by the planet carrier body 1, a second limiting ring 10 is movably installed on the outer wall of the second ball 9, each of the first limiting ring 7 and the second limiting ring 10 comprises an upper ring and a lower ring, the upper ring and the lower ring are connected in a welding mode, a second installation groove 11 corresponding to the second ball 9 is formed in the inner wall of the second limiting ring 10, an end cover 12 is movably installed on the front face of the guide rail 5, a second rotating shaft 13 is movably installed on the front face of the end cover 12, the planet carrier body 1 is a circular fixed frame, a first bearing is sleeved on the outer wall of the first rotating shaft 2 on the front face of the planet carrier body 1, a second bearing is sleeved on the outer wall of the second rotating shaft 13 on the front face of the end cover 12, a second gear 14 meshed with the first gear 3 is sleeved on the outer wall of the end cover 12, and the number of the second, the three second gears 14 are distributed on the planet carrier body 1 in a circular and circular array mode by taking the planet carrier body 1 as a circle, the front surface of the planet carrier body 1 is provided with gear grooves 15 which are meshed with the second gears 14, the first gear 3 is driven to rotate by the first rotating shaft 2, the first gear 3 drives the second rotating shaft 13 to rotate by the second gear 14, meanwhile, the second gear 14 acts with the gear grooves 15 on the planet carrier body 1 and drives the second rotating shaft 13 to rotate on the planet carrier body 1, the simple and convenient planetary transmission effect is achieved, the end cover 12 is driven to rotate on the planet carrier body 1 by the second rotating shaft 13, the friction force between the second rotating shaft 13 and the end cover 12 is preliminarily reduced by the second bearing, and then the friction force between the end cover 12 and the planet carrier body 1 is reduced by the first ball 6 and the second ball 9, so that the first rotating shaft 2 and the second rotating shaft 13 can run more stably and the abrasion between the first rotating shaft 2 and the end cover 12 is reduced in the transmission process, thereby the life of this planet carrier has been prolonged, reaches long service life's effect for this planet carrier facilitate promotion.
To sum up, the planet carrier with long service life drives the first gear 3 to rotate through the first rotating shaft 2, the first gear 3 drives the second rotating shaft 13 to rotate through the second gear 14, meanwhile, the second gear 14 acts with the gear groove 15 on the planet carrier body 1 and drives the second rotating shaft 13 to rotate on the planet carrier body 1, so as to achieve the effect of simple and convenient planetary transmission, the end cover 12 is driven to rotate on the planet carrier body 1 through the second rotating shaft 13, the friction force between the second rotating shaft 13 and the end cover 12 is preliminarily reduced through the second bearing, and the friction force between the end cover 12 and the planet carrier body 1 is reduced through the first ball 6 and the second ball 9, so that the first rotating shaft 2 and the second rotating shaft 13 run more stably in the transmission process and the abrasion between the first rotating shaft 2 and the end cover 12 is reduced, thereby prolonging the service life of the planet carrier and achieving the effect of long service life, the planet carrier is convenient to popularize, and the problems that the traditional planet carrier is generally limited to the planet gear through the limiting groove, the friction resistance of the traditional planet carrier is large, the service life of the planet carrier is short and the like are solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a long service life's planet carrier, includes planet carrier body (1), its characterized in that: the front face of the planet carrier body (1) is movably provided with a first rotating shaft (2), the outer wall of the first rotating shaft (2) is sleeved with a first gear (3), the front face of the planet carrier body (1) is positioned at the periphery of the first gear (3) and is provided with a sliding groove (4), the inner part of the sliding groove (4) is movably provided with a guide rail (5), the inner wall of the guide rail (5) is movably provided with a first ball (6), the outer wall of the first ball (6) is movably provided with a first limiting ring (7), the inner wall of the first limiting ring (7) is provided with a first mounting groove (8) corresponding to the first ball (6), the outer wall of the guide rail (5) is movably provided with a second ball (9), the outer wall of the second ball (9) is movably provided with a second limiting ring (10), the inner wall of the second limiting ring (10) is provided with a second mounting groove (11) corresponding to the second ball (9), the front movable mounting of guide rail (5) has end cover (12), the front movable mounting of end cover (12) has second pivot (13), the outer wall of end cover (12) has cup jointed second gear (14) with first gear (3) engaged with, gear groove (15) with second gear (14) engaged with are seted up in the front of planet carrier body (1).
2. A long-life planet carrier as claimed in claim 1, wherein: the planet carrier body (1) is a circular fixing frame, a first bearing is sleeved on the outer wall, located on the first rotating shaft (2), of the front side of the planet carrier body (1), and a second bearing is sleeved on the outer wall, located on the second rotating shaft (13), of the front side of the end cover (12).
3. A long-life planet carrier as claimed in claim 1, wherein: the sliding groove (4) is an annular groove, and the circle centers of the planet carrier body (1), the first rotating shaft (2) and the sliding groove (4) are all on the same axis.
4. A long-life planet carrier as claimed in claim 1, wherein: the guide rail (5) is an annular guide rail, the number of the first balls (6) and the number of the second balls (9) are twenty-four, and the first balls (6) and the second balls (9) are distributed on the planet carrier body (1) in a circular array in a right circular shape by using the planet carrier body (1).
5. A long-life planet carrier as claimed in claim 1, wherein: the number of the second gears (14) and the number of the second rotating shafts (13) are three, and the three second gears (14) are distributed on the planet carrier body (1) in a circular and circular array mode by taking the planet carrier body (1) as a circle.
6. A long-life planet carrier as claimed in claim 1, wherein: the first limiting ring (7) and the second limiting ring (10) both comprise an upper ring and a lower ring, and the upper ring and the lower ring are connected in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922376526.0U CN211667141U (en) | 2019-12-26 | 2019-12-26 | Planet carrier with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922376526.0U CN211667141U (en) | 2019-12-26 | 2019-12-26 | Planet carrier with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211667141U true CN211667141U (en) | 2020-10-13 |
Family
ID=72734813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922376526.0U Expired - Fee Related CN211667141U (en) | 2019-12-26 | 2019-12-26 | Planet carrier with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211667141U (en) |
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2019
- 2019-12-26 CN CN201922376526.0U patent/CN211667141U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201013 |