CN217558982U - Planet carrier and transmission output assembly applying same - Google Patents
Planet carrier and transmission output assembly applying same Download PDFInfo
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- CN217558982U CN217558982U CN202221326175.8U CN202221326175U CN217558982U CN 217558982 U CN217558982 U CN 217558982U CN 202221326175 U CN202221326175 U CN 202221326175U CN 217558982 U CN217558982 U CN 217558982U
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- wheel shaft
- planet carrier
- planet
- shaft mounting
- supporting
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 42
- 238000003466 welding Methods 0.000 claims description 36
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of transmissions, in particular to a planet carrier and a transmission output assembly applied by the planet carrier, wherein the planet carrier at least comprises a first planet carrier split body and a second planet carrier split body; the first planet carrier split body comprises a first planet wheel shaft mounting disc and a mounting support part, and the mounting support part supports the first planet carrier split body; the second planet carrier split body comprises a second planet wheel shaft mounting disc and a supporting transmission part, and the second planet wheel shaft mounting disc and the first planet wheel shaft mounting disc are welded into a whole; the supporting transmission part is provided with an inner gear ring, and the outer circumferential surface of the supporting transmission part is used for supporting the second planet carrier in a split manner. The transmission output assembly applying the planet carrier further comprises a main reducing gear, wherein the main reducing gear comprises an input gear part, an output gear part, a support journal and a support shaft head; the input gear part is in meshing transmission with the annular gear; the support journal and the support axial head support the main reduction gear. The planet carrier is welded and formed, and the processing technology is good; the transmission output assembly has good transmission stability.
Description
Technical Field
The utility model relates to a derailleur technical field especially relates to planet carrier and derailleur output assembly who uses thereof.
Background
The existing planet carrier 1 is an integrated part, as shown in fig. 1; the planet carrier 1 with the structure is high in processing difficulty, and the planet carrier 1 is connected with the main reduction gear 2 through bolts. Due to the structural limitation, the whole assembled planet carrier 1 and the main reducing gear 3 is installed in the transmission through the first bearing 3 and the second bearing group 4, the first bearing 3 and the second bearing group 4 are respectively located at the planet carrier and the main reducing gear 2, the distance is long, and the transmission stability is poor.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a planet carrier and a transmission output component applied by the planet carrier, which improves the structure of the planet carrier and is convenient for processing and production; the planet carrier and the main reducing gear are assembled to have good stability and reliable transmission.
In order to solve the technical problem, the technical scheme of the utility model is that: a planet carrier at least comprises a first planet carrier split body and a second planet carrier split body;
the first planet carrier body comprises
The first planet wheel shaft mounting disc is used for mounting a planet wheel shaft;
and a mounting support part for supporting the first carrier in a split manner; the mounting and supporting part is fixedly arranged on the side surface of the first planet carrier shaft mounting disc, which is far away from the second planet carrier split body;
the second planet carrier split body comprises
The second planet wheel shaft mounting disc is used for mounting a planet wheel shaft; the second planet wheel shaft mounting disc and the first planet wheel shaft mounting disc are welded into a whole;
the supporting transmission part is fixedly arranged on the side surface of the second planet wheel shaft mounting disc, which is deviated from the first planet wheel shaft mounting disc, and is coaxially arranged with the mounting support part; the supporting transmission part is provided with an inner gear ring, and the outer circumferential surface of the supporting transmission part is used for supporting the second planet carrier in a split manner.
As a preferred technical scheme, the first planet wheel shaft mounting disc is provided with a plurality of welding bodies, and the welding bodies and the mounting support parts are respectively positioned at two opposite sides of the first planet wheel shaft mounting disc; a plurality of welding bodies are arranged at intervals in the circumferential direction of the first planet wheel shaft mounting plate;
the outer circumferential surface of the second planet wheel shaft mounting disc is provided with a plurality of welding grooves, the welding grooves correspond to the welding bodies one to one, and the welding bodies stretch into the welding grooves and are welded and fixed with the welding grooves.
As a preferable technical scheme, the second planet wheel shaft mounting disc and the supporting transmission part are of an integrated structure.
Preferably, the plurality of welding bodies are uniformly distributed in the circumferential direction of the first planet wheel shaft mounting plate.
As a preferable technical scheme, the mounting and supporting part, the first planet wheel shaft mounting plate and the welding bodies are of an integrated structure.
The transmission output assembly applying the planet carrier further comprises a main reduction gear, and the main reduction gear comprises
The input gear part extends into the annular gear of the support transmission part and is in meshing transmission with the annular gear;
an output gear part which is connected with the lower element in a transmission way and outputs power;
a support journal supporting the main reduction gear; the two ends of the supporting shaft neck are respectively fixedly connected with an input gear part and an output gear part;
and the support shaft head is positioned on the end face, deviating from the support shaft neck, of the output gear part and supports the main reducing gear.
After the structure of the planet carrier is optimized and improved, the planet carrier is provided with two mounting and supporting parts; and the planet carrier is formed by welding, and the processing technology is good. The transmission output assembly composed of the planet carrier and the main reducing gear is more reasonable in structure, four groups of bearing supports are arranged, and transmission stability is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural view of a prior art carrier;
fig. 2 is a schematic structural diagram of a planet carrier in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a transmission output assembly according to an embodiment of the present invention.
In the figure:
1-a planet carrier;
11-a first carrier split; 111-a first planet axle mounting plate; 112-a welded body; 113-mounting a support;
12-a second planet carrier split; 121-a second planet wheel shaft mounting disc; 122-support transmission; 123-a welding groove;
2-main reduction gear; 21-an output gear section; 22-input gear section; 23-a support journal; 24-supporting the stub shafts;
3-a first bearing;
4-a second bearing set;
5-a third bearing;
6-fourth bearing.
Detailed Description
As shown in fig. 2 and 3, the planet carrier 1 includes a first planet carrier split body 11 and a second planet carrier split body 12, which are integrally connected by a welding process.
The first carrier division body 11 has a first planet axle mounting plate 111, a mounting support portion 113, and a plurality of welding bodies 112. The first planet axle mounting plate 111 is for mounting a planet axle and has a plurality of planet axle bores. The mounting support 113 and the welding body 112 are located on opposite sides of the first planetary gear shaft mounting plate 111, respectively. The journals on which the support 113 is mounted may be used to mount the first bearing 3, supporting the planet carrier. The plurality of welding bodies 112 are spaced and uniformly distributed in the circumferential direction of the first planet carrier shaft mounting plate 111, and are used for being connected with the second planet carrier split body 12. The mounting support part 113, the first planet wheel shaft mounting disc 111 and the plurality of welding bodies 112 are of an integrated structure, so that the processing and manufacturing are convenient, and the manufacturing cost is low.
The second carrier split body 12 has a second planetary carrier mounting plate 121 and a support transmission part 122. The second planet axle mounting disc 121 is used to mount a planet axle and also has a plurality of planet axle bores. The planet axle holes on the first planet axle mounting disc 111 and the second planet axle mounting disc 121 are in one-to-one correspondence to mount the planet wheels.
A plurality of welding grooves 123 are formed in the outer circumferential surface of the second planet wheel shaft mounting disc 121, and the welding grooves 123 are arranged at intervals and are uniformly distributed. The welding grooves 123 correspond to the welding bodies 112 one by one, and the welding bodies 112 extend into the welding grooves 123 and are welded and fixed with the welding grooves 123. The supporting transmission part 122 is located on one side of the second planet wheel shaft mounting disc 121 departing from the first planet wheel shaft mounting disc 111 and is arranged in the middle, the supporting transmission part 122 is provided with an inner gear ring, and the outer side wall is an optical axis and is used for mounting the third bearing 5 and supporting the planet carrier. Because both ends of the planet carrier 1 are supported by bearings, the transmission stability is high and reliable. The second planet wheel shaft mounting disc 121 and the support transmission part 122 are of an integrated structure, so that the processing and manufacturing are convenient, and the manufacturing cost is low.
The transmission output assembly to which the planet carrier 1 described above is applied further comprises a main reduction gear 2, as shown in fig. 2, the main reduction gear 2 having an input gear portion 22, an output gear portion 21, a support journal 23 and a support stub shaft 24. The input gear part 22 extends into the ring gear of the support transmission part 122 and is in meshing transmission with the ring gear. A support journal 23 is provided between the input gear part 22 and the output gear part 21, and an outer circumferential surface of the support journal 23 is used to mount the fourth bearing 6 for supporting the main reduction gear 2. The input gear portion 22 is used for being in transmission connection with the lower stage element to output power. The support shaft head 24 is located on the end face of the output gear portion 21, the support shaft head 24 and the support shaft journal 23 are respectively located on two opposite sides of the input gear portion 22, and the support shaft head 24 is used for installing the second bearing set 4 to support the main reducing gear 2.
The foregoing shows and describes the general principles, essential features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A planet carrier, its characterized in that: the planetary gear set at least comprises a first planetary carrier split body (11) and a second planetary carrier split body (12);
the first carrier body (11) comprises
The first planet wheel shaft mounting disc (111) is used for mounting a planet wheel shaft;
and a mounting support part (113) for supporting the first carrier split body (11); the mounting and supporting part (113) is fixedly arranged on the side surface of the first planet carrier shaft mounting disc (111) departing from the second planet carrier split body (12);
the second planet carrier body (12) comprises
The second planet wheel shaft mounting disc (121) is used for mounting a planet wheel shaft; the second planet wheel shaft mounting disc (121) and the first planet wheel shaft mounting disc (111) are welded into a whole;
the support transmission part (122) is fixedly arranged on the side surface, deviating from the first planet wheel shaft mounting plate (111), of the second planet wheel shaft mounting plate (121) and is coaxially arranged with the mounting support part (113); the supporting transmission part (122) is provided with an inner gear ring, and the outer circumferential surface of the supporting transmission part is used for supporting the second planet carrier split body (12).
2. The planet carrier of claim 1, wherein: the first planet wheel shaft mounting plate (111) is provided with a plurality of welding bodies (112), and the welding bodies (112) and the mounting support parts (113) are respectively positioned on two opposite sides of the first planet wheel shaft mounting plate (111); a plurality of welding bodies (112) are spaced in the circumferential direction of the first planetary wheel shaft mounting disk (111);
the outer circumferential surface of the second planet wheel shaft mounting disc (121) is provided with a plurality of welding grooves (123), the welding grooves (123) correspond to the welding bodies (112) one by one, and the welding bodies (112) extend into the welding grooves (123) and are welded and fixed with the welding grooves (123).
3. The planet carrier according to claim 2, wherein: the second planet wheel shaft mounting disc (121) and the supporting transmission part (122) are of an integrated structure.
4. The planet carrier of claim 2, wherein: the welding bodies (112) are uniformly distributed in the circumferential direction of the first planet wheel shaft mounting disc (111).
5. The planet carrier of claim 1, wherein: the mounting and supporting part (113), the first planet wheel shaft mounting plate (111) and the welding bodies (112) are of an integrated structure.
6. A transmission output assembly using the carrier according to any one of claims 1 to 5, characterized in that: further comprising a main reduction gear (2), said main reduction gear (2) comprising
The input gear part (22), the said input gear part (22) stretches into the inner gear ring of the support drive part (122), and engage with inner gear ring and transmit;
the output gear part (21) is in transmission connection with the lower-level element and outputs power;
a support journal (23) that supports the main reduction gear (2); two ends of the supporting shaft neck (23) are respectively and fixedly connected with an input gear part (22) and an output gear part (21);
and the supporting shaft head (24) is positioned on the end face, deviating from the supporting shaft neck (23), of the output gear part (21) and supports the main reducing gear (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221326175.8U CN217558982U (en) | 2022-05-31 | 2022-05-31 | Planet carrier and transmission output assembly applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221326175.8U CN217558982U (en) | 2022-05-31 | 2022-05-31 | Planet carrier and transmission output assembly applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217558982U true CN217558982U (en) | 2022-10-11 |
Family
ID=83499821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221326175.8U Active CN217558982U (en) | 2022-05-31 | 2022-05-31 | Planet carrier and transmission output assembly applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217558982U (en) |
-
2022
- 2022-05-31 CN CN202221326175.8U patent/CN217558982U/en active Active
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