CN214305210U - Planetary wheel assembly - Google Patents
Planetary wheel assembly Download PDFInfo
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- CN214305210U CN214305210U CN202023141305.4U CN202023141305U CN214305210U CN 214305210 U CN214305210 U CN 214305210U CN 202023141305 U CN202023141305 U CN 202023141305U CN 214305210 U CN214305210 U CN 214305210U
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- planet wheel
- gasket
- planet
- carrier
- assembly
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Abstract
The utility model discloses a planet wheel subassembly, include: the planet wheel carrier (10) is provided with a planet wheel mounting hole (12), and a planet wheel shaft is arranged in the planet wheel mounting hole (12); a planet wheel rotatably mounted on the planet wheel shaft; the gasket (20) is sleeved on the planet wheel shaft and is positioned between the planet wheel and the planet wheel carrier (10); the gasket (20) is fixedly connected between the planet wheel and the planet wheel carrier (10) in the circumferential direction. The planet wheel assembly reduces abrasion among the gasket, the planet wheel and the planet wheel carrier, and prolongs the service life of the planet wheel assembly.
Description
Technical Field
The utility model relates to a gear equipment field especially relates to a planet wheel subassembly.
Background
The planet wheel gasket generally is middle trompil circular gasket in current engineering machine tool transaxle, and the unable planet wheel that avoids drives the planet wheel gasket and follows the commentaries on classics along the circumferencial direction, because the planet wheel gasket generally adopts carburization quenching steel, and the hardness is higher, and planet wheel carrier adopts nodular cast iron, and the hardness is lower, and when the reciprocal follow-up commentaries on classics of planet wheel gasket, planet wheel gasket can wear and tear the planet wheel carrier constantly, makes planet wheel carrier produce the grinding trace to constantly deepen, reduction transaxle life.
Disclosure of Invention
To the above-mentioned problems and needs that have improved, this scheme provides a planet wheel assembly, can realize above-mentioned technical purpose owing to adopted following technical characteristics to bring other multinomial technological effect.
The utility model provides a planet wheel subassembly, include:
the planet wheel carrier is provided with a planet wheel mounting hole, and a planet wheel shaft is arranged in the planet wheel mounting hole;
a planet wheel rotatably mounted on the planet wheel shaft;
the gasket is sleeved on the planet wheel shaft and positioned between the planet wheel and the planet wheel carrier;
the gasket is circumferentially and fixedly connected between the planet wheel and the planet wheel carrier.
In the technical scheme, the gasket is fixedly connected between the planet wheel and the planet wheel carrier in the circumferential direction, so that the gasket is prevented from rotating, the abrasion among the gasket, the planet wheel and the planet wheel carrier is reduced, and the service life of the planet wheel assembly is prolonged.
In addition, according to the utility model discloses a planet wheel subassembly can also have following technical characteristic:
in an example of the present invention, the spacer is detachably circumferentially fixed between the planet wheel and the planet wheel carrier by a positioning structure.
In an example of the present invention, the positioning structure includes: a bulge and a mounting groove matched with the bulge,
one of the gasket and the planet wheel carrier is provided with a bulge, and the other one of the gasket and the planet wheel carrier is provided with a mounting groove.
In one example of the present invention, the,
a mounting groove is formed along the circumferential direction of the planet wheel mounting hole;
protrusions are provided along a circumferential direction of the gasket.
In one example of the present invention, the,
a plurality of bosses are arranged at intervals along the circumferential direction of the planet wheel mounting hole, and the mounting groove is formed between every two adjacent bosses;
wherein the inner diameter of the surrounding cavity formed by the plurality of bosses is larger than the outer diameter of the gasket.
In one example of the present invention, the protrusion is formed in an outer contour circumferential direction of the gasket and extends in a direction away from the gasket along a radial direction.
In an example of the present invention, the protrusions include at least two, and are disposed at intervals along a circumferential direction of the gasket.
In an example of the present invention, at least two of the plurality of protrusions are symmetrically arranged in the same radial direction of the gasket.
In an example of the present invention, the protrusion is integrally formed with the gasket, and is located at a junction of the gasket and the protrusion is provided with a fillet.
In an example of the present invention, when the gasket is fitted in the mounting groove, a thickness of the gasket in the axial direction is larger than a height of the boss.
The following description of the preferred embodiments of the present invention will be made in detail with reference to the accompanying drawings, so that the features and advantages of the invention can be easily understood.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
Fig. 1 is a front view of a planetary carrier according to an embodiment of the present invention;
fig. 2 is a structural side view of a planetary carrier according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a gasket according to an embodiment of the present invention;
fig. 4 is a schematic diagram of the assembly of the planetary carrier (partial structure) and the gasket according to the embodiment of the present invention.
List of reference numerals:
a planet wheel assembly 100;
a planetary carrier 10;
a column 11;
a planet wheel mounting hole 12;
a boss 13;
a mounting groove 14;
a first side plate 15;
a second side plate 16;
a gasket 20;
a projection 21;
Detailed Description
In order to make the technical solution of the present invention, its purpose, technical solution and advantages become clearer, the drawings of the embodiments of the present invention will be combined hereinafter, and the technical solution of the embodiments of the present invention will be clearly and completely described. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
According to the utility model discloses a planet wheel assembly 100, as shown in fig. 1, fig. 2 and fig. 4, include:
the planet carrier 10 is provided with a planet wheel mounting hole 12, and a planet wheel shaft is arranged in the planet wheel mounting hole 12; the planet wheel mounting holes 12 are arranged at intervals along the circumferential direction of the planet wheel carrier 10, and the planet wheel shafts are fixedly mounted in the planet wheel mounting holes 12, so that when the planet wheels are mounted on the planet wheel carrier 10, the planet wheels can be meshed with the sun wheel
A planet wheel rotatably mounted on the planet wheel shaft; specifically, the planetary wheel shaft is connected with the planetary wheel in a pivoting mode through the needle roller, so that the planetary wheel can revolve around the sun wheel and simultaneously can rotate around the planetary wheel shaft;
more specifically, the planet wheel carrier 10 is provided with an upright post 11, a first side plate 15 and a second side plate 16 are connected by the upright post 11, so as to form a hollow support frame structure, and the planet wheel mounting holes 12 are sequentially arranged on the first side plate 15 and the second side plate 16 at corresponding positions in a penetrating manner,
the gasket 20 is sleeved on the planet wheel shaft and is positioned between the planet wheel and the planet wheel carrier 10;
the spacer 20 is circumferentially fixedly connected between the planet wheels and the planet wheel carrier 10.
That is, the spacer 20 is fixedly connected in the circumferential direction (in short, the degree of freedom of the spacer 20 in the circumferential direction is defined) between the planet wheels and the planet wheel carrier 10, so that the spacer 20 is prevented from rotating, the abrasion between the spacer 20 and the planet wheels and the planet wheel carrier 10 is reduced, and the service life of the planet wheel assembly 100 is prolonged.
In an example of the present invention, the spacer 20 is detachably fixed circumferentially between the planet wheel and the planet wheel carrier 10 by a positioning structure; of course, the washer 20 may also be fixed between the planet wheel and the planet wheel carrier 10 by welding.
That is to say, the gasket 20 can be prevented from rotating circumferentially by providing the positioning structure, so that the abrasion between the gasket 20 and the planet wheel carrier 10 is reduced. Of course, the present invention is not limited thereto, and the gasket 20 may also be fixedly connected to the planetary carrier 10 by way of fastening members, for example, by fastening screws;
in an example of the present invention, as shown in fig. 4, the positioning structure includes: the bulge 21 and the mounting groove 14 matched with the bulge,
one of the gasket 20 and the planetary carrier 10 is provided with a bulge 21, and the other is provided with a mounting groove 14;
that is, the mounting groove 14 or the boss 21 may be disposed on the shim 20, and the mounting groove 14 or the boss 21 may be disposed on the carrier 10, so that the shim 20 may be circumferentially fixed on the carrier 10 by the way of the boss 21 being engaged with the mounting groove 14, and the mounting is convenient and reliable.
In one example of the present invention, as shown in figures 3 and 4,
a mounting groove 14 is arranged along the circumferential direction of the planet wheel mounting hole 12;
providing a projection 21 along a circumferential direction of the gasket 20;
the mounting groove 14 is matched with the bulge 21;
or
A protrusion 21 is provided along the circumferential direction of the planet wheel mounting hole 12;
a mounting groove 14 is provided along a circumferential direction of the gasket 20;
the mounting groove 14 is matched with the bulge 21;
the two structures can realize the circumferential fixed connection of the gasket 20 and the planet wheel carrier 10.
In one example of the present invention, the,
a plurality of bosses 13 are arranged at intervals along the circumferential direction of the planet wheel mounting hole 12, and the mounting groove 14 is formed between every two adjacent bosses 13;
wherein the inner diameter of the cavity formed by the plurality of bosses 13 is larger than the outer diameter of the gasket 20;
the mounting groove 14 is formed by a plurality of bosses 13 so as to engage the projection 21; the gasket 20 is easily removed and installed by making the inner diameter of the surrounding cavity larger than the outer diameter of the gasket 20.
In an example of the present invention, as shown in fig. 3, the protrusion 21 is formed in the outer contour circumferential direction of the gasket 20 and extends in the radial direction in a direction away from the gasket 20;
specifically, protruding 21 with gasket 20 integrated into one piece, and be located gasket 20 with the junction of protruding 21 is equipped with radius 22, can avoid the trouble of assembly through integrated into one piece's mode, and structural strength is high moreover, can reduce greatly through setting up radius 22 gasket 20 with the phenomenon of protruding 21 junction stress concentration to improve gasket 20's whole fatigue strength.
In an example of the present invention, the protrusions 21 include at least two protrusions, and are disposed along the circumferential direction of the gasket 20 at intervals, and a plurality of protrusions 21 are disposed correspondingly, and a plurality of mounting grooves 14 matched with the protrusions are disposed, so that the installation is more stable.
In an example of the present invention, at least two of the plurality of protrusions 21 are symmetrically arranged in the same radial direction of the gasket 20, and the gasket 20 of this structure is more reliable when being installed in the installation groove 14.
In an example of the present invention, when the spacer 20 is fitted in the mounting groove 14, the thickness of the spacer 20 in the axial direction is greater than the height of the boss 13, so that the planet wheel can be prevented from being mounted on the planet wheel carrier 10 and interfering therewith.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The exemplary embodiment of the planetary wheel assembly 100 proposed by the present invention has been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes can be made to the above specific embodiments without departing from the concept of the present invention, and various combinations of the various technical features and structures proposed by the present invention can be made without departing from the scope of the present invention, which is defined by the appended claims.
Claims (10)
1. A planetary gear assembly comprising:
the planet wheel carrier (10) is provided with a planet wheel mounting hole (12), and a planet wheel shaft is arranged in the planet wheel mounting hole (12);
a planet wheel rotatably mounted on the planet wheel shaft;
the gasket (20) is sleeved on the planet wheel shaft and is positioned between the planet wheel and the planet wheel carrier (10);
it is characterized in that the preparation method is characterized in that,
the gasket (20) is fixedly connected between the planet wheel and the planet wheel carrier (10) in the circumferential direction.
2. The planet assembly of claim 1, wherein the planet carrier assembly further comprises a plurality of rollers,
the gasket (20) is detachably fixed between the planet wheel and the planet wheel carrier (10) in the circumferential direction through a positioning structure.
3. The planet assembly of claim 2, wherein the planet carrier assembly further comprises a second planet carrier,
the positioning structure includes: a bulge (21) and a mounting groove (14) matched with the bulge,
one of the gasket (20) and the planetary carrier (10) is provided with a bulge (21), and the other is provided with a mounting groove (14).
4. The planet wheel assembly of claim 3,
a mounting groove (14) is arranged along the circumferential direction of the planet wheel mounting hole (12);
a projection (21) is provided along the circumferential direction of the gasket (20).
5. The planet wheel assembly of claim 4,
a plurality of bosses (13) are arranged at intervals along the circumferential direction of the planet wheel mounting hole (12), and mounting grooves (14) are formed between every two adjacent bosses (13);
wherein the inner diameter of the surrounding cavity formed by the plurality of bosses (13) is larger than the outer diameter of the gasket (20).
6. The planet wheel assembly of claim 4,
the projection (21) is formed in the outer contour circumferential direction of the gasket (20) and extends in the radial direction in a direction away from the gasket (20).
7. The planet wheel assembly of claim 4,
the protrusions (21) are at least two and are arranged at intervals along the circumferential direction of the gasket (20).
8. The planetary wheel assembly of claim 7,
at least two of the plurality of protrusions (21) are symmetrically arranged in the same radial direction of the gasket (20).
9. The planet wheel assembly of claim 4,
the bulge (21) and the gasket (20) are integrally formed, and a fillet (22) is arranged at the joint of the gasket (20) and the bulge (21).
10. The planetary wheel assembly of claim 5,
when the shim (20) is fitted in the mounting groove (14), the thickness of the shim (20) in the axial direction is greater than the height of the boss (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023141305.4U CN214305210U (en) | 2020-12-23 | 2020-12-23 | Planetary wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023141305.4U CN214305210U (en) | 2020-12-23 | 2020-12-23 | Planetary wheel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214305210U true CN214305210U (en) | 2021-09-28 |
Family
ID=77860696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023141305.4U Active CN214305210U (en) | 2020-12-23 | 2020-12-23 | Planetary wheel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214305210U (en) |
-
2020
- 2020-12-23 CN CN202023141305.4U patent/CN214305210U/en active Active
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