CN219692225U - Engineering machine tool planet row structure - Google Patents
Engineering machine tool planet row structure Download PDFInfo
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- CN219692225U CN219692225U CN202321121056.3U CN202321121056U CN219692225U CN 219692225 U CN219692225 U CN 219692225U CN 202321121056 U CN202321121056 U CN 202321121056U CN 219692225 U CN219692225 U CN 219692225U
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- gear
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- planet carrier
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- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims 5
- 230000003827 upregulation Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000010687 lubricating oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model relates to the field of engineering machinery, in particular to a planet row structure of engineering machinery, which comprises a sun gear positioned in a gearbox, wherein the sun gear is arranged on a clutch transmission shaft, a first-gear planet carrier and a reverse-gear planet carrier which are rotatably arranged in the gearbox are arranged at left and right intervals, a plurality of second planet gears are rotatably arranged on the first-gear planet carrier, a plurality of first planet gears are rotatably arranged on the reverse-gear planet carrier, the first planet gears and the second planet gears are meshed with the sun gear, an inner gear ring is fixedly arranged in the gearbox, the inner gear ring is positioned between the first-gear planet carrier and the reverse-gear planet carrier, the first planet gears and the second planet gears are meshed with the inner gear ring, and adjusting holes penetrating through the inner gear ring are formed in the inner gear ring. The sun gear is provided with a mounting hole, and the sun gear is sleeved on the clutch transmission shaft through the mounting hole. The engineering machinery planetary row structure is convenient for position adjustment of the inner gear ring and convenient for assembling the planetary row, so that the assembling efficiency of the planetary row is improved.
Description
Technical Field
The utility model relates to the field of engineering machinery, in particular to a planet row structure of engineering machinery.
Background
The speed changing box can change the speed ratio and the transmission direction accurately, so the speed changing box is widely used for automobiles, tractors, ships, machine tools and various machines and is used for changing the torque, the speed and the transmission direction transmitted from a driving shaft to a driven shaft according to different working conditions.
The gearbox used by the existing engineering machinery changes speed through a planetary gear train and then carries out speed change output through an overrunning clutch, and because the internal structure of the gearbox is compact and the space is narrow, when the sun gear is assembled, the sun gear is required to be meshed with the transmission shaft of the overrunning clutch and the reverse gear planet wheel, the assembly difficulty is high, the assembly is difficult, the time is long, and the effective adjustment means are not available, so that the improvement is needed.
Disclosure of Invention
The utility model aims to provide an engineering machinery planet row structure which is convenient to assemble.
The utility model discloses a planetary gear set structure of engineering machinery for achieving the purpose, which comprises a sun gear positioned in a gearbox, and is characterized in that: the sun gear is arranged on the clutch transmission shaft, the first-gear planetary frame and the reverse-gear planetary frame which are rotatably arranged are further arranged in the gearbox, the first-gear planetary frame and the reverse-gear planetary frame are arranged at left and right intervals, the first-gear planetary frame is rotatably provided with a plurality of second planetary gears, the reverse-gear planetary frame is rotatably provided with a plurality of first planetary gears, the first planetary gears and the second planetary gears are meshed with the sun gear, an inner gear ring is fixedly arranged in the gearbox, the inner gear ring is positioned between the first-gear planetary frame and the reverse-gear planetary frame, the first planetary gears and the second planetary gears are meshed with the inner gear ring, and the inner gear ring is provided with adjusting holes penetrating through the inner gear ring.
After the structure is adopted, the adjusting holes are formed in the inner gear ring and can serve as channels for lubricating oil, lubricating oil in the gearbox can lubricate the gears conveniently, bars can extend into the adjusting holes in the assembling process, the positions of the inner gear ring are adjusted, and accordingly the assembling efficiency of the planetary gear rows is improved.
Regarding the installation structure of the sun gear, the sun gear is provided with an installation hole, and the sun gear is sleeved on the clutch transmission shaft through the installation hole.
In order to enhance the connection strength of the clutch transmission shaft and the mounting hole, the mounting hole is internally provided with an internal spline tooth, the clutch transmission shaft is provided with an external spline tooth matched with the internal spline tooth, and the internal spline tooth is meshed with the external spline tooth.
In order to facilitate the installation of the sun gear, an inner reaming is arranged in the installation hole, the inner reaming is positioned at one end close to the clutch, and the diameter of the inner reaming is larger than the maximum height of the external spline teeth. When the sun gear is installed, the inner reaming sleeve is firstly sleeved on the clutch transmission shaft, at the moment, the inner reaming is not in contact with the external spline teeth, the sun gear is meshed with the planet gears simultaneously in the process, and after the sun gear is matched with the planet gears in place, the sun gear is propelled inwards, so that the internal spline teeth are meshed with the external spline teeth, and finally the installation of the sun gear is completed.
Regarding the mounting structure of the first planet wheel, a plurality of planet wheel shafts are mounted on the reverse gear planet carrier, the planet wheel shafts are arranged around the sun wheel, and the first planet wheel is fixedly mounted on the planet wheel shafts.
Regarding the mounting structure of the second planetary gear, a plurality of planetary gear shafts are mounted on the first-gear planetary carrier, the planetary gear shafts are arranged around the sun gear, and the second planetary gear is fixedly mounted on the planetary gear shafts.
Preferably, the first gear ring is rotatably mounted in the gearbox, and the second planet gears mesh with the inner teeth of the first gear ring.
Preferably, the reverse gear planet carrier and the first gear ring are both provided with external teeth for matching with a clutch, and the two groups of external teeth extend oppositely. The reverse gear planet carrier and the first gear ring are rotatably arranged, and after the clutch is combined, the reverse gear planet carrier or the first gear ring is fixed, and the gearbox can output power.
In summary, the beneficial effects of the utility model are as follows: the inner gear ring is provided with the adjusting hole, the adjusting hole can be used as a channel of lubricating oil on one hand, lubricating oil in the gearbox is convenient for lubricating the gear, and the bar can be stretched into the adjusting hole in the assembly process to adjust the position of the inner gear ring, so that the assembly efficiency of the planetary gear row is improved. And an inner reaming is arranged in the mounting hole of the sun gear, so that the sun gear, the planet gears and the clutch transmission shaft are matched conveniently, and the planet row is assembled conveniently.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the portion at the point A in FIG. 1;
fig. 3 is a schematic diagram of an explosive structure according to the present utility model.
In the figure: the planetary gear transmission mechanism comprises a first-gear planetary carrier 1, an adjusting hole 2, a planetary wheel shaft 3, a mounting hole 4, an inner spline tooth 5, an outer spline tooth 6, an inner reaming 7, a first-gear ring 8, an inner gear ring 9, a reverse-gear planetary carrier 10, a first planetary gear 11, a second planetary gear 12, a clutch transmission shaft 13, a sun gear 14, a reverse-gear planetary carrier 15 and an outer tooth 16.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following is a description of preferred embodiments of the utility model, taken in conjunction with the accompanying drawings.
The utility model provides an engineering machine tool planet row structure, including the sun gear 14 that is arranged in the gearbox, sun gear 14 installs on clutch transmission shaft 13, still install first gear planet carrier 1 and the reverse gear planet carrier of rotation installation in the gearbox, first gear planet carrier 1 and reverse gear planet carrier left and right sides interval, first gear planet carrier 1 is last to rotate and install a plurality of second planet wheel 12, a plurality of first planet wheel 11 of rotation installation on the reverse gear planet carrier, first planet wheel 11 and second planet wheel 12 all mesh with sun gear 14, still fixed mounting has ring gear 9 in the gearbox, ring gear 9 is located between first gear planet carrier 1 and the reverse gear planet carrier, first planet wheel 11 and second planet wheel 12 all mesh with ring gear 9, set up the regulation hole 2 that runs through ring gear 9 on the ring gear 9.
Referring to fig. 1, after the structure is adopted, the adjusting holes 2 are formed in the inner gear ring 9, the adjusting holes 2 can serve as channels for lubricating oil, lubricating oil in a gearbox is convenient for lubricating gears, bars can extend into the adjusting holes 2 in the assembly process, and the position of the inner gear ring 9 is adjusted, so that the assembly efficiency of the planetary gear rows is improved.
Referring to fig. 1, regarding the installation structure of the sun gear 14, the sun gear 14 is provided with an installation hole 4, and the sun gear 14 is sleeved on the clutch transmission shaft 13 through the installation hole 4. In order to enhance the connection strength between the clutch transmission shaft 13 and the mounting hole 4, the mounting hole 4 is provided with an inner spline tooth 5, the clutch transmission shaft 13 is provided with an outer spline tooth 6 matched with the inner spline tooth 5, and the inner spline tooth 5 is meshed with the outer spline tooth 6. In order to facilitate the installation of the sun gear 14, the installation hole 4 is provided with an inner reaming 7, the inner reaming 7 is positioned at one end close to the clutch, and the diameter of the inner reaming 7 is larger than the maximum height of the external spline teeth 6. When the sun gear 14 is installed, the inner reaming 7 is sleeved on the clutch transmission shaft 13, at the moment, the inner reaming 7 is not in contact with the external spline teeth 6, in the process, the sun gear 14 is meshed with the planet gears at the same time, and after the sun gear 14 is matched with the planet gears in place, the sun gear 14 is pushed inwards, so that the internal spline teeth 5 are meshed with the external spline teeth 6, and finally the installation of the sun gear 14 is completed.
Referring to fig. 1 and 3, regarding the mounting structure of the first planetary gear 11, a plurality of planetary gear shafts 3 are mounted on the reverse gear carrier, the planetary gear shafts 3 are arranged around the sun gear 14, and the first planetary gear 11 is fixedly mounted on the planetary gear shafts 3.
Referring to fig. 1, regarding the mounting structure of the second planetary gear 12, a plurality of planetary wheel shafts 3 are mounted on the first-gear carrier 1, the planetary wheel shafts 3 are arranged around a sun gear 14, and the second planetary gear 12 is fixedly mounted on the planetary wheel shafts 3. The first gear ring 8 is rotatably mounted in the gearbox, and the second planet gears 12 mesh with the inner teeth of the first gear ring 8. The reverse gear planet carrier and the first gear ring 8 are respectively provided with an external gear 16 for matching with a clutch, and the two groups of external gear 16 extend oppositely. The reverse gear planet carrier and the first gear ring 8 are rotatably arranged, and when the clutch is combined, the reverse gear planet carrier or the first gear ring 8 is fixed, and the gearbox can output power.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (8)
1. The utility model provides a construction machinery planet row structure, includes sun gear (14) that are arranged in the gearbox, a serial communication port, sun gear (14) are installed on clutch transmission shaft (13), still install first gear planet carrier (1) and reverse gear planet carrier (10) of rotation installation in the gearbox, interval about first gear planet carrier (1) and reverse gear planet carrier (10), a plurality of second planet gears (12) are installed in the rotation on first gear planet carrier (1), a plurality of first planet gears (11) are installed in the rotation on reverse gear planet carrier (10), first planet gears (11) and second planet gears (12) all mesh with sun gear (14), still fixed mounting has ring gear (9) in the gearbox, ring gear (9) are located between first gear planet carrier (1) and reverse gear planet carrier (10), first planet gears (11) and second planet gears (12) all mesh with ring gear (9), set up regulation hole (2) that run through ring gear (9) on ring gear (9).
2. The engineering machinery planetary row structure according to claim 1, wherein the sun gear (14) is provided with a mounting hole (4), and the sun gear (14) is sleeved on the clutch transmission shaft (13) through the mounting hole (4).
3. The engineering machinery planetary gear set structure according to claim 2, wherein the mounting hole (4) is provided with an inner spline (5), the clutch transmission shaft (13) is provided with an outer spline (6) matched with the inner spline (5), and the inner spline (5) is meshed with the outer spline (6).
4. A construction machine planetary gear set according to claim 3, characterized in that the mounting hole (4) is provided with an inner counterbore (7), the inner counterbore (7) being located at the end near the clutch, the diameter of the inner counterbore (7) being larger than the maximum height of the external spline teeth (6).
5. The construction machine planetary arrangement according to claim 1, characterized in that the reverse gear carrier (10) is provided with a plurality of planetary wheel shafts (3), the planetary wheel shafts (3) being arranged around the sun wheel (14), the first planetary wheel (11) being fixedly mounted on the planetary wheel shaft (3).
6. The construction machine planetary arrangement according to claim 1, characterized in that the first gear carrier (1) is provided with a plurality of planetary wheel shafts (3), the planetary wheel shafts (3) being arranged around the sun wheel (14), and the second planetary wheel (12) being fixedly mounted on the planetary wheel shaft (3).
7. A construction machine planetary arrangement according to claim 6, characterized in that the gearbox is rotatably mounted with a first gear ring (8), the second planetary wheels (12) being in engagement with the inner teeth of the first gear ring (8).
8. The engineering machinery planetary gear set structure according to claim 7, wherein the reverse gear planetary carrier (10) and the first gear ring gear (8) are respectively provided with an external tooth gear (16) for matching with a clutch, and the two groups of external tooth gears (16) extend in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321121056.3U CN219692225U (en) | 2023-05-11 | 2023-05-11 | Engineering machine tool planet row structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321121056.3U CN219692225U (en) | 2023-05-11 | 2023-05-11 | Engineering machine tool planet row structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692225U true CN219692225U (en) | 2023-09-15 |
Family
ID=87939000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321121056.3U Active CN219692225U (en) | 2023-05-11 | 2023-05-11 | Engineering machine tool planet row structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219692225U (en) |
-
2023
- 2023-05-11 CN CN202321121056.3U patent/CN219692225U/en active Active
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