CN212740546U - Novel built-in planetary gear box for winch - Google Patents
Novel built-in planetary gear box for winch Download PDFInfo
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- CN212740546U CN212740546U CN202020493882.0U CN202020493882U CN212740546U CN 212740546 U CN212740546 U CN 212740546U CN 202020493882 U CN202020493882 U CN 202020493882U CN 212740546 U CN212740546 U CN 212740546U
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- planetary gear
- transmission
- planet carrier
- bearing
- output shell
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- 230000005540 biological transmission Effects 0.000 claims abstract description 94
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to a novel winch is with interior built-in planetary gear case, its characterized in that: the planetary gear set comprises an input shaft, a bearing box, a transmission gear shaft, a planetary gear pair module and an output shell; the utility model discloses in through adopting tertiary planetary gear drive's mode to drive the output casing, the planet carrier directly with the transmission fixedly link to each other and avoid adopting the mode that the bearing is connected, reduce slewing bearing's use quantity, material saving, also reduced the cost of maintenance simultaneously, improve life; the adopted sealing group forms a rotary clamping groove for accommodating the end part of the output shell, and the sealing performance is improved by adopting an internal and external sealing mode.
Description
Technical Field
The invention relates to the field of planetary gear box sets, in particular to a novel built-in planetary gear box for a winch.
Background
The built-in planetary gear box is used as a core component for driving the floating crane winch, the high-power planetary gear box is complex in technology, and some domestic manufacturers depend on import. The built-in planetary gear box for driving the winch has high requirements on technical indexes such as external dimension, sealing reliability, service life of a planetary gear bearing, bearing capacity of a gear and the like, and the technical indexes of the built-in planetary gear box with the same dimension on the market at present hardly meet the requirements of M8-T7-L4 working grade.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel built-in planetary gear box for a winch, and solves the problems that the general built-in planetary gear box has poor sealing performance, and the whole service life is short due to the adoption of a full roller bearing of a retainer.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a novel winch is with interior built-in planetary gear case, its innovation point lies in: the planetary gear set comprises an input shaft, a bearing box, a transmission gear shaft, a planetary gear pair module and an output shell;
the input shaft is matched with a bearing in the bearing box, a key groove is formed in one end of the input shaft and extends out of the bearing box, and a connecting hole is formed in the other end of the input shaft;
one end of the transmission gear shaft extends into the connecting hole at the end part of the input shaft to be connected with the input shaft, and the side surface of the other end of the transmission gear shaft is circumferentially provided with first transmission teeth;
the planetary gear pair module comprises a first planetary gear pair, a second planetary gear pair, a third planetary gear pair, a first transmission shaft sleeve and a first transmission shaft sleeve; the first planetary gear set comprises a first planetary gear and a first planet carrier; the first planetary gear is matched with first transmission teeth at the shaft end of the transmission gear, and a first connecting pin is fixedly arranged at the shaft center of the first planetary gear; one end of the first planet carrier is connected to the first connecting pin, and the other end of the first planet carrier is fixedly connected to the first transmission shaft sleeve; the first transmission shaft sleeve is nested on the transmission gear shaft and is connected with the outer wall of the transmission gear shaft through a slewing bearing; a second transmission gear is arranged on the outer wall of the first transmission shaft sleeve; the first transmission gear drives the first planetary gear to rotate, and the first planet carrier realizes that the first planet carrier rotates along with the first planetary gear through the connection of the first connecting pin so as to drive the first transmission shaft sleeve connected with the first planet carrier to rotate;
the second planetary gear pair comprises a second planetary gear and a second planet carrier; the second planetary gear is matched with second transmission teeth on the first transmission shaft sleeve, and a second connecting pin is fixedly arranged at the axis of the second planetary gear; one end of the second planet carrier is connected to the second connecting pin, and the other end of the second planet carrier is connected to the second transmission shaft sleeve; the second transmission shaft sleeve is nested on the transmission gear shaft and is connected with the outer wall of the transmission gear shaft through a rotary bearing; a third transmission gear is arranged on the outer wall of the second transmission shaft sleeve; the second transmission gear drives the second planetary gear to rotate, and the second planet carrier realizes that the second planet carrier rotates along with the second planetary gear through the connection of the second connecting pin so as to drive the second transmission shaft sleeve connected with the second planet carrier to rotate;
the third planetary gear set includes a third planetary gear and a third carrier; a rotary bearing is arranged at the axis of the third planetary gear, and a third connecting pin is embedded in the rotary bearing; the third planet carrier is fixedly arranged on the bearing box, and one end of the third connecting pin is embedded in the third planet carrier and is fixedly connected with the third planet carrier; a main bearing is nested on the outer wall of the third planet carrier; the third planetary gear is matched with a third transmission gear on the second transmission shaft sleeve, and the rotation of the third planetary gear at a fixed position driven by the third transmission gear is realized by a slewing bearing at the center of the third planetary gear and a third connecting pin connected to a third planet carrier;
the output shell is integrally nested on the outer wall of the planetary gear pair module, the inner wall of one end of the output shell is matched with the outer wall of the main bearing, and the inner arm of the other end of the output shell is matched with the end part of the transmission gear shaft through a slewing bearing; a fourth transmission gear matched with the third planetary gear is arranged on the output shell; the end part of the output shell is tightly attached to the third planet carrier, and a sealing group is arranged at the joint between the output shell and the third planet carrier; and the third planetary gear drives a fourth transmission gear arranged on the inner wall of the output shell to drive the output shell to integrally rotate.
Further, the bearing box includes bearing box and fixing bearing, open the both ends of bearing box has the through-hole that holds the input shaft and pass, fixing bearing sets up in the bearing box with the input shaft cooperation.
Furthermore, the outer contour of the output shell is stepped, the output shell is formed by coaxially arranging a plurality of sections of shell units, and adjacent shell units are fixed through locking bolts.
Further, the sealing group comprises a main sealing ring and an auxiliary sealing ring; the main sealing ring is positioned on the inner wall of the output shell, and the auxiliary sealing ring is positioned on the outer wall of the output shell; the main sealing ring and the auxiliary sealing ring realize the sealing of the joint of the output shell and the third planet carrier; and a rotary clamping groove for accommodating the end part of the output shell is formed between the main sealing ring and the auxiliary sealing ring.
Furthermore, the inner cavity of the output shell is also provided with a supporting slewing bearing to support the output shell.
The invention has the advantages that:
1) according to the invention, the output shell is driven by adopting a three-stage planetary gear transmission mode, the planet carrier is directly and fixedly connected with the transmission, so that a bearing connection mode is avoided, the use number of the rotary bearings is reduced, the materials are saved, the maintenance cost is reduced, and the service life is prolonged; the adopted sealing group forms a rotary clamping groove for accommodating the end part of the output shell, and the sealing performance is improved by adopting an internal and external sealing mode.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the structure of a novel built-in gearbox for a winch according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The novel built-in planetary gear box for the winch shown in fig. 1 comprises an input shaft 1, a bearing box 2, a transmission gear shaft 3, a planetary gear pair module 4 and an output shell 5.
The input shaft 1 is matched with a bearing in the bearing box 2, a key groove is formed in one end of the input shaft 1 and extends out of the bearing box 2, and a connecting hole is formed in the other end of the input shaft 1.
One end of the transmission gear shaft 3 extends into the connecting hole at the end part of the input shaft 1 to be connected with the input shaft 1, and the side surface of the other end of the transmission gear shaft 3 is circumferentially provided with first transmission teeth 31.
The planetary gear pair module 4 comprises a first planetary gear pair 41, a second planetary gear pair 42, a third planetary gear pair 43, a first transmission shaft sleeve 44 and a first transmission shaft sleeve 45; the first planetary gear set 41 includes a first planetary gear 411 and a first carrier 412; the first planetary gear 411 is matched with the first transmission gear 31 at the end of the transmission gear shaft 3, and a first connecting pin 413 is fixedly arranged at the axle center of the first planetary gear 411; one end of the first carrier 412 is connected to the first connecting pin 413, and the other end of the first carrier 412 is fixedly connected to the first transmission sleeve 44; the first transmission shaft sleeve 44 is nested on the transmission gear shaft 3 and is connected with the outer wall of the transmission gear shaft 4 through a rotary bearing; a second transmission gear 441 is arranged on the outer wall of the first transmission shaft sleeve 44; the first transmission gear 31 rotates the first planet gear 411, and the first planet carrier 412 is connected through the first connection pin 413 so that the first planet carrier 412 rotates along with the first planet gear 411 and then drives the first transmission sleeve 44 connected with the first planet carrier 413 to rotate.
The second planetary gear pair 42 includes a second planetary gear 421 and a second carrier 422; the second planetary gear 421 is matched with the second transmission gear 441 on the first transmission shaft sleeve 44, and a second connecting pin 423 is fixedly arranged at the axis of the second planetary gear 421; one end of the second planet carrier 422 is connected to the second connecting pin 423, and the other end of the second planet carrier 422 is connected to the second transmission shaft sleeve 45; the second transmission shaft 45 is sleeved and nested on the transmission gear shaft 3 and is connected with the outer wall of the transmission gear shaft 3 through a slewing bearing; the outer wall of the second driving shaft sleeve 45 is provided with a third driving gear 451; the second transmission gear 441 drives the second planetary gear 421 to rotate, and the second planet carrier 422 is connected with the second connection pin 423 to realize that the second planet carrier 422 rotates along with the second planetary gear 421 so as to drive the second transmission shaft sleeve 45 connected with the second planet carrier 422 to rotate.
Third planetary gear set 43 includes a third planetary gear 431 and a third carrier 432; a rotary bearing is arranged at the axis of the third planetary gear 431, and a third connecting pin 433 is embedded in the rotary bearing; the third planet carrier 432 is fixedly arranged on the bearing box 2, and one end of a third connecting pin 433 is embedded in the third planet carrier 432 and is fixedly connected with the third planet carrier 432; a main bearing 434 is nested on the outer wall of the third planet carrier 432; the third planetary gear 431 is engaged with the third gear 451 on the second driving sleeve 45, and the rotation of the third planetary gear 431 in a fixed position by the driving of the third gear 451 is realized by a slewing bearing at the shaft center of the third planetary gear 431 and a third connecting pin 433 connected to the third carrier 432.
The output shell 5 is integrally nested on the outer wall of the planetary gear pair module 4, the inner wall of one end of the output shell 5 is matched with the outer wall of the main bearing 434, and the inner arm of the other end of the output shell 5 is matched with the end part of the transmission gear shaft 3 through a slewing bearing; the output housing 5 is provided with fourth transmission teeth 51 engaged with the third planetary gears 431; the end part of the output shell 5 is tightly attached to the third planet carrier 432, and a sealing group 6 is arranged at the joint between the output shell 5 and the third planet carrier 432; the third planetary gears 431 drive the fourth gear 51 provided on the inner wall of the output housing 5 to rotate the output housing 5 integrally.
The bearing box 2 comprises a bearing box body and fixed bearings, through holes for the input shaft to pass through are formed in two ends of the bearing box body 2, and the fixed bearings are arranged in the bearing box body and matched with the input shaft.
The outer contour of the output housing 5 is stepped, the output housing 5 is formed by coaxially arranging a plurality of sections of housing units, and adjacent housing units are fixed through locking bolts.
The sealing group 6 comprises a main sealing ring and an auxiliary sealing ring; the main sealing ring is positioned on the inner wall of the output shell 5, and the auxiliary sealing ring is positioned on the outer wall of the output shell 5; the primary seal ring and the secondary seal ring realize the sealing of the joint of the output shell and the third planet carrier 432; a rotary clamping groove for accommodating the end part of the output shell 5 is formed between the main sealing ring and the auxiliary sealing ring.
The inner cavity of the output shell 5 is also provided with a supporting slewing bearing 7 to realize the support of the output shell.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a novel built-in planetary gear box is used to winch which characterized in that: the planetary gear set comprises an input shaft, a bearing box, a transmission gear shaft, a planetary gear pair module and an output shell;
the input shaft is matched with a bearing in the bearing box, a key groove is formed in one end of the input shaft and extends out of the bearing box, and a connecting hole is formed in the other end of the input shaft;
one end of the transmission gear shaft extends into the connecting hole at the end part of the input shaft to be connected with the input shaft, and the side surface of the other end of the transmission gear shaft is circumferentially provided with first transmission teeth;
the planetary gear pair module comprises a first planetary gear pair, a second planetary gear pair, a third planetary gear pair, a first transmission shaft sleeve and a first transmission shaft sleeve; the first planetary gear set comprises a first planetary gear and a first planet carrier; the first planetary gear is matched with first transmission teeth at the shaft end of the transmission gear, and a first connecting pin is fixedly arranged at the shaft center of the first planetary gear; one end of the first planet carrier is connected to the first connecting pin, and the other end of the first planet carrier is fixedly connected to the first transmission shaft sleeve; the first transmission shaft sleeve is nested on the transmission gear shaft and is connected with the outer wall of the transmission gear shaft through a slewing bearing; a second transmission gear is arranged on the outer wall of the first transmission shaft sleeve; the first transmission gear drives the first planetary gear to rotate, and the first planet carrier realizes that the first planet carrier rotates along with the first planetary gear through the connection of the first connecting pin so as to drive the first transmission shaft sleeve connected with the first planet carrier to rotate;
the second planetary gear pair comprises a second planetary gear and a second planet carrier; the second planetary gear is matched with second transmission teeth on the first transmission shaft sleeve, and a second connecting pin is fixedly arranged at the axis of the second planetary gear; one end of the second planet carrier is connected to the second connecting pin, and the other end of the second planet carrier is connected to the second transmission shaft sleeve; the second transmission shaft sleeve is nested on the transmission gear shaft and is connected with the outer wall of the transmission gear shaft through a rotary bearing; a third transmission gear is arranged on the outer wall of the second transmission shaft sleeve; the second transmission gear drives the second planetary gear to rotate, and the second planet carrier realizes that the second planet carrier rotates along with the second planetary gear through the connection of the second connecting pin so as to drive the second transmission shaft sleeve connected with the second planet carrier to rotate;
the third planetary gear set includes a third planetary gear and a third carrier; a rotary bearing is arranged at the axis of the third planetary gear, and a third connecting pin is embedded in the rotary bearing; the third planet carrier is fixedly arranged on the bearing box, and one end of the third connecting pin is embedded in the third planet carrier and is fixedly connected with the third planet carrier; a main bearing is nested on the outer wall of the third planet carrier; the third planetary gear is matched with a third transmission gear on the second transmission shaft sleeve, and the rotation of the third planetary gear at a fixed position driven by the third transmission gear is realized by a slewing bearing at the center of the third planetary gear and a third connecting pin connected to a third planet carrier;
the output shell is integrally nested on the outer wall of the planetary gear pair module, the inner wall of one end of the output shell is matched with the outer wall of the main bearing, and the inner arm of the other end of the output shell is matched with the end part of the transmission gear shaft through a slewing bearing; a fourth transmission gear matched with the third planetary gear is arranged on the output shell; the end part of the output shell is tightly attached to the third planet carrier, and a sealing group is arranged at the joint between the output shell and the third planet carrier; and the third planetary gear drives a fourth transmission gear arranged on the inner wall of the output shell to drive the output shell to integrally rotate.
2. The novel built-in planetary gearbox for the winch according to claim 1, characterized in that: the bearing box comprises a bearing box body and a fixed bearing, through holes for the input shaft to pass through are formed in the two ends of the bearing box body, and the fixed bearing is arranged in the bearing box body and matched with the input shaft.
3. The novel built-in planetary gearbox for the winch according to claim 1, characterized in that: the outer contour of the output shell is in a step shape, the output shell is formed by coaxially arranging a plurality of sections of shell units, and adjacent shell units are fixed through locking bolts.
4. The novel built-in planetary gearbox for the winch according to claim 1, characterized in that: the sealing group comprises a main sealing ring and an auxiliary sealing ring; the main sealing ring is positioned on the inner wall of the output shell, and the auxiliary sealing ring is positioned on the outer wall of the output shell; the main sealing ring and the auxiliary sealing ring realize the sealing of the joint of the output shell and the third planet carrier; and a clamping groove for accommodating the end part of the output shell is formed between the main sealing ring and the auxiliary sealing ring.
5. The novel built-in planetary gearbox for the winch according to claim 1, characterized in that: the inner cavity of the output shell is also provided with a supporting slewing bearing to support the output shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020493882.0U CN212740546U (en) | 2020-04-08 | 2020-04-08 | Novel built-in planetary gear box for winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020493882.0U CN212740546U (en) | 2020-04-08 | 2020-04-08 | Novel built-in planetary gear box for winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212740546U true CN212740546U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020493882.0U Withdrawn - After Issue CN212740546U (en) | 2020-04-08 | 2020-04-08 | Novel built-in planetary gear box for winch |
Country Status (1)
| Country | Link |
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| CN (1) | CN212740546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332972A (en) * | 2020-04-08 | 2020-06-26 | 上海振华重工集团(南通)传动机械有限公司 | Novel built-in planetary gear box for winch |
-
2020
- 2020-04-08 CN CN202020493882.0U patent/CN212740546U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332972A (en) * | 2020-04-08 | 2020-06-26 | 上海振华重工集团(南通)传动机械有限公司 | Novel built-in planetary gear box for winch |
| CN111332972B (en) * | 2020-04-08 | 2024-05-07 | 上海振华重工集团(南通)传动机械有限公司 | Concealed planetary gear box for winch |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210319 Effective date of abandoning: 20240507 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210319 Effective date of abandoning: 20240507 |