CN211449613U - Novel axial locking stop gear - Google Patents
Novel axial locking stop gear Download PDFInfo
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- CN211449613U CN211449613U CN201922268657.7U CN201922268657U CN211449613U CN 211449613 U CN211449613 U CN 211449613U CN 201922268657 U CN201922268657 U CN 201922268657U CN 211449613 U CN211449613 U CN 211449613U
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- planet
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- carrier
- roller pins
- planet wheel
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Abstract
The utility model relates to the technical field of planetary gear speed reducers, in particular to a novel axial locking limiting mechanism, which comprises a planetary gear carrier, wherein the end surface of the planetary gear carrier is provided with a mounting hole of a planetary gear shaft, and the mounting hole of the planetary gear carrier, which is vertical to the planetary gear shaft, is provided with a planetary gear placing hole; a lower row of roller pins and an upper row of roller pins are sleeved between the planet wheel shaft and the planet wheel, and a spacer ring for separating the lower row of roller pins and the upper row of roller pins is sleeved between the planet wheel shaft and the planet wheel; the planet wheel carrier is provided with planet carrier pin holes along the direction of the planet wheel placing holes, the planet wheel shaft is radially provided with planet shaft pin holes matched with the planet carrier pin holes of the planet wheels, and the pin shaft sequentially penetrates through the planet carrier pin holes and the planet shaft pin holes to fix the planet wheel carrier and the planet wheel shaft together.
Description
Technical Field
The utility model relates to a planet wheel speed reducer technical field, concretely relates to novel axial locking stop gear.
Background
With the deep development of science and technology, the engineering machinery is also developed towards miniaturization and microminiaturization, so that the engineering machinery is more closely connected with the daily life and social production of people. The walking speed reducer of the engineering machinery matching part is used as an important walking device of the engineering machinery, so that not only is more outstanding climbing capacity needed, but also the appearance structure of the walking speed reducer is necessarily developed towards the miniaturization direction, and therefore engineering technicians are required to design more compact parts, narrower spaces and more reliable strength and safety of the parts when the walking speed reducer is structurally designed. Under the background, the axial locking limiting mechanism is widely applied in the design process of the walking speed reducer and the connection process of transmission parts.
Disclosure of Invention
In order to overcome the shortcomings of the prior art, the utility model provides a novel axial locking limiting mechanism, the axial dimension of the effective reduction walking speed reducer.
The utility model discloses a realize through following technical scheme: a novel axial locking limiting mechanism comprises a planet wheel carrier, wherein a mounting hole of a planet wheel shaft is formed in the end face of the planet wheel carrier, and a planet wheel placing hole is formed in the mounting hole of the planet wheel carrier, which is vertical to the planet wheel shaft; a lower row of roller pins and an upper row of roller pins are sleeved between the planetary wheel shaft and the planetary wheel, a spacer ring for separating the lower row of roller pins from the upper row of roller pins is further sleeved between the planetary wheel shaft and the planetary wheel, a lower pressing plate for limiting the axial movement of the lower row of roller pins is arranged at one end of the lower row of roller pins far away from the spacer ring, and an upper pressing plate for limiting the axial movement of the upper row of roller pins is arranged at one end of the upper row of roller pins far away from the spacer ring; the planet gear carrier is provided with planet carrier pin holes along the direction of the planet gear placing holes, the radial direction of the planet gear shaft is provided with planet shaft pin holes matched with the planet carrier pin holes of the planet gears, and a pin shaft sequentially penetrates through the planet carrier pin holes and the planet shaft pin holes to fix the planet gear carrier and the planet gear shaft together.
Furthermore, an observation hole which radially penetrates through the pin hole of the planet shaft is formed in the axial direction of the planet shaft.
Furthermore, the observation hole is arranged at the axis of the planetary wheel shaft.
Further, the aperture of the planet carrier pin hole is equal to the aperture of the planet shaft pin hole.
Further, the planet pin hole is in clearance fit with the pin shaft.
The utility model has the advantages that: after the novel axial locking limiting mechanism is adopted, the axial size of the walking speed reducer is controlled to the maximum extent; the structure is simple, the manufacturability is good, the realization is more convenient, and the cost is effectively reduced. The structure is widely applied to various speed reducers of our department, ensures the safe, reliable and stable work of the system, is particularly used for a travelling mechanism of an aerial work platform, and plays an important role in the fields of bridge and equipment maintenance, house decoration, street lamp replacement and the like by virtue of the superior performance and small size of the travelling mechanism.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, 1, a planet carrier, 11, a planet carrier pin hole, 2, a planet carrier shaft, 21, a planet shaft pin hole, 22, an observation hole, 3, a lower pressure plate, 4, a lower row of roller pins, 5, a planet wheel, 6, a spacer ring, 7, an upper row of roller pins, 8, an upper pressure plate, 9 and a pin shaft.
Detailed Description
The invention will be further explained below with reference to the drawings and examples.
As shown in fig. 1, the novel axial locking limiting mechanism comprises a planet carrier 1, wherein the end surface of the planet carrier 1 is provided with a mounting hole of a planet wheel shaft 2, and a planet wheel 5 placing hole is formed in the mounting hole of the planet carrier 1, which is vertical to the planet wheel shaft 2; a lower row of roller pins 4 and an upper row of roller pins 7 are sleeved between the planet wheel shaft 2 and the planet wheel 5, a spacer 6 for separating the lower row of roller pins 4 from the upper row of roller pins 7 is further sleeved between the planet wheel shaft 2 and the planet wheel 5, a lower pressing plate 3 for limiting the axial movement of the lower row of roller pins 4 is arranged at one end of the lower row of roller pins 4, which is far away from the spacer 6, the other end of the lower pressing plate 3 is limited by a shaft shoulder of the planet wheel carrier 1, an upper pressing plate 8 for limiting the axial movement of the upper row of roller pins 7 is arranged at one end of the upper row of roller pins 7, which is far away from the spacer 6, and the other end of the upper pressing; the planet carrier 1 is provided with a planet carrier pin hole 11 along the direction of the placing hole of the planet wheel 5, the planet carrier shaft 2 is provided with a planet carrier pin hole 21 matched with the planet carrier pin hole 11 of the planet wheel 5 in the radial direction, and a pin shaft 9 sequentially penetrates through the planet carrier pin hole 11 and the planet carrier pin hole 21 to fix the planet carrier 1 and the planet carrier shaft 2 together.
As a modification of the present embodiment, an observation hole 22 radially penetrating through the planetary pin hole 21 is formed in the axial direction of the planetary gear shaft 2, and whether the pin 9 is mounted in place is observed through the observation hole 22. Further, the observation hole 22 is provided at the axial center of the planetary wheel shaft 2.
Further, the aperture of the planet carrier pin hole 11 is equal to the aperture of the planet shaft pin hole 21. The pin shaft 9 is a cylindrical pin.
Further, the planet pin holes 21 are in clearance fit with the pin shaft 9.
During assembly: the lower row of roller pins 4 coated with the grease are fully arranged in the inner holes of the planet wheels 5, and then the space ring 6 is placed on the end face of the lower row of roller pins 4; the inner holes of the planet wheels 5 are filled with the upper row of rolling needles 7 coated with grease; then, a lower pressing plate 3 is arranged at one end of the two end faces of the planet wheel 5 full of the rolling needles, and an upper pressing plate 8 is arranged at the other end of the planet wheel. Then, the assembled planetary gear mechanism is placed in the placing hole of the planetary gear carrier 1 to be aligned with the round hole on the planetary gear carrier 1, the planetary gear shaft 2 penetrates through the mounting hole on the planetary gear carrier 1 and the wheel hole of the assembled planetary gear 5 to be mounted in place, and the pin shaft 9 is inserted into the planetary gear carrier pin hole 11 and the planetary gear shaft pin hole 21. In the process of disassembling the locking limiting mechanism, the pin shaft 9 is only required to be knocked into the planet wheel shaft 2 by a special tool, so that the pin shaft 9 is separated from the planet carrier pin hole 11 on the planet carrier 1, the planet wheel shaft 2 can be taken out, and the planet wheel 5 can be taken down.
Claims (5)
1. The utility model provides a novel axial locking stop gear which characterized in that: the device comprises a planet wheel carrier (1), wherein the end face of the planet wheel carrier (1) is provided with a mounting hole of a planet wheel shaft (2), and the mounting hole of the planet wheel carrier (1) vertical to the planet wheel shaft (2) is provided with a planet wheel (5) placing hole; a lower row of roller pins (4) and an upper row of roller pins (7) are sleeved between the planetary wheel shaft (2) and the planetary wheel (5), a spacer ring (6) for separating the lower row of roller pins (4) from the upper row of roller pins (7) is further sleeved between the planetary wheel shaft (2) and the planetary wheel (5), a lower pressing plate (3) for limiting the axial movement of the lower row of roller pins (4) is arranged at one end of the lower row of roller pins (4) far away from the spacer ring (6), and an upper pressing plate (8) for limiting the axial movement of the upper row of roller pins (7) is arranged at one end of the upper row of roller pins (7) far away from the spacer ring (6); the planet gear carrier (1) is provided with planet carrier pin holes (11) along the direction of the placing holes of the planet gears (5), the planet gear shaft (2) is radially provided with planet shaft pin holes (21) matched with the planet carrier pin holes (11) of the planet gears (5), and pin shafts (9) sequentially penetrate through the planet carrier pin holes (11) and the planet shaft pin holes (21) to fix the planet gear carrier (1) and the planet gear shaft (2) together.
2. The novel axial locking limiting mechanism of claim 1, wherein: and an observation hole (22) radially penetrating through the planet shaft pin hole (21) is formed in the axial direction of the planet wheel shaft (2).
3. The novel axial locking limiting mechanism of claim 2, wherein: the observation hole (22) is arranged at the axis of the planetary wheel shaft (2).
4. The novel axial locking limiting mechanism of claim 1, wherein: the aperture of the planet carrier pin hole (11) is equal to the aperture of the planet shaft pin hole (21).
5. The novel axial locking limiting mechanism of claim 4, wherein: the planet pin hole (21) is in clearance fit with the pin shaft (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922268657.7U CN211449613U (en) | 2019-12-17 | 2019-12-17 | Novel axial locking stop gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922268657.7U CN211449613U (en) | 2019-12-17 | 2019-12-17 | Novel axial locking stop gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211449613U true CN211449613U (en) | 2020-09-08 |
Family
ID=72316328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922268657.7U Active CN211449613U (en) | 2019-12-17 | 2019-12-17 | Novel axial locking stop gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211449613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392926A (en) * | 2020-12-08 | 2021-02-23 | 徐工集团工程机械股份有限公司 | Multi-stage planet carrier, multi-stage planet combined structure and multi-gear planet mechanism |
-
2019
- 2019-12-17 CN CN201922268657.7U patent/CN211449613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392926A (en) * | 2020-12-08 | 2021-02-23 | 徐工集团工程机械股份有限公司 | Multi-stage planet carrier, multi-stage planet combined structure and multi-gear planet mechanism |
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