CN216662327U - Transmission type winch with built-in planetary gear - Google Patents
Transmission type winch with built-in planetary gear Download PDFInfo
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- CN216662327U CN216662327U CN202122102345.6U CN202122102345U CN216662327U CN 216662327 U CN216662327 U CN 216662327U CN 202122102345 U CN202122102345 U CN 202122102345U CN 216662327 U CN216662327 U CN 216662327U
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Abstract
The utility model relates to a transmission type winch with a built-in planetary gear, which comprises a winch barrel, a transmission device, a motor output shaft and a driving device, wherein the transmission device is arranged in the winch barrel; the driving device is connected with a motor output shaft, and the motor output shaft penetrates through the deck to be connected with the transmission device; the driving device is provided with a brake; the transmission device is a gear reducer and comprises a gear transmission structure, an output flange, an installation flange and an input shaft, wherein the gear transmission structure is installed on the deck through the installation flange; the casing at the lowest part of the gear transmission structure is connected with the inner wall of the stranded cable barrel through an output flange, the inner end of the output flange is tightly pressed on the lower part of the gear transmission structure and the upper part of the mounting flange up and down respectively, and the output shaft of the motor is connected with the intermediate shaft of the gear transmission structure through an input shaft; the driving device drives the transmission device to perform planetary transmission, and the transmission device drives the stranded cable barrel to rotate through the shell. The utility model reduces the volume and weight of the winch, and the whole installation is convenient.
Description
Technical Field
The utility model relates to a winch, in particular to a built-in planetary gear transmission type winch.
Background
Winches are commonly used on ships to reel in the lines. The winch is generally formed by sequentially connecting an electric motor (or a hydraulic motor), a speed reducer and a cable drum, as shown in fig. 1 (a) and 1 (b), when the electric motor (or the hydraulic motor) and the speed reducer are positioned below a deck or on a lower deck, the installation is inconvenient due to large volume and heavy weight, as shown in fig. 1 (c), and when the electric motor (or the hydraulic motor) and the speed reducer are positioned on the same deck, the power is transmitted through a worm and gear, and the occupied space is large.
Disclosure of Invention
In view of the defects in the prior art, the utility model provides a built-in planetary gear transmission type winch, and aims to reduce the volume and weight of the winch and facilitate installation and maintenance.
In order to achieve the purpose, the utility model provides the following technical scheme:
a built-in planetary gear transmission type winch is characterized by comprising a cable drum, a transmission device, a motor output shaft and a driving device, wherein the transmission device is arranged in the cable drum above a deck; the driving device is connected with the motor output shaft below the deck, and the motor output shaft penetrates through the deck to be connected with the transmission device; the driving device is provided with a brake;
the transmission device is a gear reducer and comprises a gear transmission structure, an output flange, an installation flange and an input shaft, wherein the gear transmission structure is installed on the deck through the installation flange; the lowest shell of the gear transmission structure is connected with the inner wall of the stranded cable barrel through the output flange, the inner end of the output flange is tightly pressed on the lower part of the gear transmission structure and the upper part of the mounting flange up and down respectively, and the output shaft of the motor is connected with the intermediate shaft of the gear transmission structure through the input shaft; the driving device drives the transmission device to perform planetary transmission, and the transmission device drives the stranded cable barrel to rotate through the shell.
Further, the transmission includes a plurality of stages of the gear transmission structure.
Further, the gear transmission structure comprises a sun gear, a planet carrier, a planet gear and an inner gear ring; the driving device penetrates through the gear transmission structure through the input shaft and the intermediate shaft to be connected with the uppermost sun gear, and the sun gear drives the planet gear to rotate along the inner gear ring in a meshing manner; the planet gear is arranged on the planet carrier, the bottom end of the planet carrier is connected with the sun gear of the next-stage gear transmission structure, and the power is output to the next-stage gear transmission structure; the planet carrier of the gear transmission structure at the lowest position is fixed on the deck through the mounting flange.
Furthermore, the shells of the inner gear rings of the gear transmission structures at all levels are sequentially connected, and the shell at the lowest part is connected with the inner wall of the stranded cable barrel.
Further, the transmission device further comprises a tapered roller bearing; the inner end of the output flange is pressed tightly at the bottom of the planet carrier at the lowest part of the gear transmission structure and at the upper part of the mounting flange through the tapered roller bearings from top to bottom.
Furthermore, a plurality of tapered roller bearings are uniformly distributed at the inner end of the output flange up and down in a surrounding mode.
Furthermore, the gear transmission structure further comprises a pin shaft, and the planet wheel is mounted on the planet carrier through the pin shaft.
Further, the transmission device also comprises a roller; the bottom of the output flange is overlapped on a plurality of rollers uniformly distributed on the upper surface of the mounting flange in a surrounding manner.
Furthermore, the outer end of the output flange is fixedly connected with the inner wall of the stranded cable cylinder through bolts.
Further, the mounting flange is fixed on the deck through a transition mounting plate.
The utility model has the beneficial effects that:
according to the winch, only the cable drum for executing work is arranged on the deck, the transmission device is arranged in the cable drum, the external space is not occupied, the driving device is arranged below the deck, the space above the deck is not occupied, and the space occupied by the winch on the deck is reduced to the maximum extent. And the multi-stage gear transmission structure is positioned above the deck, so that the maintenance is convenient.
The utility model can ensure the stable rotation of the stranded cable barrel through a multi-stage gear transmission structure. In addition, the driving device transmits driving force to the transmission device through the connection of the output shaft, the input shaft and the intermediate shaft, and compared with a worm gear transmission structure, the driving device not only reduces the volume and the weight, but also is convenient to install. In addition, the tapered roller bearing can greatly reduce the resistance between the output flange and the planet carrier and the mounting flange when the output flange rotates, and the rollers can ensure that the output flange runs stably on the mounting flange.
Drawings
FIGS. 1 (a) - (c) are schematic diagrams of a prior art transmission structure;
FIG. 2 is a schematic diagram of the internal planetary gear drive capstan of the present invention;
FIG. 3 is a schematic diagram of the construction of the internal planetary gear driven capstan of the present invention;
fig. 4 is a schematic view of the transmission of the present invention.
Wherein: 1-stranded cable drum, 2-transmission device, 2.1-first-stage sun gear, 2.2-first-stage planet carrier, 2.3-second-stage planet carrier, 2.4-third-stage planet carrier, 2.5-output flange, 2.6-mounting flange, 2.7-input shaft, 2.8-first-stage planet gear, 2.9-first-stage inner gear ring, 2.10-first-stage pin shaft, 2.11-second-stage inner gear ring, 2.12-second-stage planet gear, 2.13-second-stage pin shaft, 2.14-third-stage inner gear ring, 2.15-third-stage planet gear, 2.16-third-stage pin shaft, 2.17-conical roller bearing, 2.18-roller, 3-motor output shaft and 4-motor.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model, but are not intended to limit the scope of the utility model.
In the present specification, terms of orientation or positional relationship such as up, down, left, right, inside, outside, front, rear, head, and tail are established based on the orientation or positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.
In the present invention, the terms "mounted," "connected," "fixed," and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected or capable of communicating with each other, directly connected, indirectly connected through an intermediate medium, or communicated between two components, or interacting between two components. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The embodiment describes a built-in planetary gear transmission type winch, as shown in fig. 2 and 3, the winch comprises a cable drum 1, a transmission device 2, a motor output shaft 3 and a motor 4, wherein the transmission device 2 is arranged in the cable drum 1 on a deck, the motor 4 is arranged below the deck, the motor output shaft 3 is connected with the transmission device 2, the driving force of the motor 4 is transmitted to the transmission device 2, and the transmission device 2 drives the cable drum 1 to rotate.
In this embodiment, the transmission device 2 is a gear reducer, and the gear reducer performs planetary transmission through a gear transmission structure.
As shown in fig. 4, the transmission 2 includes a first-stage sun gear 2.1, a first-stage planet carrier 2.2, a second-stage planet carrier 2.3, a third-stage planet carrier 2.4, an output flange 2.5, a mounting flange 2.6, an input shaft 2.7, a first-stage planet gear 2.8, a first-stage ring gear 2.9, a first pin 2.10, a second-stage ring gear 2.11, a second-stage planet gear 2.12, a second-stage pin 2.13, a third-stage ring gear 2.14, a third-stage planet gear 2.15, a third-stage pin 2.16, a tapered roller bearing 2.17, and a roller 2.18.
The motor output shaft 3 is directly connected with the input shaft 2.7, the input shaft 2.7 penetrates through all levels of gear transmission structures through the middle shaft to the uppermost part of the transmission device 2 to be connected with the first-level sun gear 2.1 of the first-level gear transmission structure, the first-level sun gear 2.1 drives the first-level planet gear 2.8 to rotate along the first-level inner gear ring 2.9 in a meshed mode, and the first-level planet gear 2.8 is installed on the first-level planet carrier 2.2 through the first-level pin shaft 2.10. The lower end of the first-stage planet carrier 2.2 is connected with a second-stage sun gear which is sleeved on the intermediate shaft, and power is output to a second-stage gear transmission structure. The second-stage sun gear drives the second-stage planet gear 2.12 to rotate along the second-stage inner gear ring 2.11 in a meshed mode, and the second-stage planet gear 2.12 is mounted on the second-stage planet carrier 2.3 through a second-stage pin shaft 2.13. The lower end of the second-stage planet carrier 2.3 is connected with a third-stage sun gear which is sleeved on the intermediate shaft, power is transmitted to a third-stage gear transmission structure in the same mode, the third-stage sun gear drives a third-stage planet gear 2.15 to rotate along a third-stage inner gear ring 2.14 in a meshed mode, and the third-stage planet gear 2.15 is installed on a third-stage planet carrier 2.4 through a third-stage pin shaft 2.16. The bottom of the third-stage planet carrier 2.4 is fixed at the top end of the mounting flange 2.6 through bolts. The mounting flange 2.6 is fixed to the deck directly or via a transitional mounting plate.
The transmission device 2 of the embodiment takes the intermediate shaft as an axis, and the lower end of the intermediate shaft passes through the center of the mounting flange 2.6.
The inner end of the output flange 2.5 is pressed tightly on the bottom of the third-stage planet carrier 2.4 and the upper part of the mounting flange 2.6 through a plurality of conical roller bearings 2.17 which are uniformly distributed in a surrounding manner, the outer end of the output flange 2.5 is fixedly connected with bolts on the inner wall of the stranded cable cylinder 1, and the bottom of the output flange 2.5 is lapped on a plurality of rollers 2.18 which are uniformly distributed in a surrounding manner on the upper surface of the mounting flange 2.6. The shells of the first-stage ring gear 2.9, the second-stage ring gear 2.11 and the third-stage ring gear 2.14 are sequentially connected through bolts, and the shell of the third-stage ring gear 2.14 is mounted on the output flange 2.5 through bolts.
Therefore, when the motor 4 drives the first-stage sun gear 2.1 to rotate, the third-stage planet carrier 2.4 is fixed on the mounting flange 2.6, and the inner gear rings and the outer shell drive the output flange 2.5 and the cable drum 1 to rotate reversely under the action of the reaction force through shell rotation output, so that the winch function is realized.
The lower end of the motor 4 is provided with a disc brake, when the motor 4 is electrified, the disc brake is released, the winch rotates, and when the motor is powered off, the disc brake brakes to prevent the winch from dragging backwards. In the present embodiment, the electric motor 4 may be replaced by a driving device such as a hydraulic motor, and the implementation of the present embodiment is not affected.
While the principles of the utility model have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing embodiments are merely illustrative of exemplary implementations of the utility model and are not limiting of the scope of the utility model. The details of the embodiments are not to be interpreted as limiting the scope of the utility model, and any obvious changes, such as equivalent alterations, simple substitutions and the like, based on the technical solution of the utility model, can be interpreted without departing from the spirit and scope of the utility model.
Claims (10)
1. A winch with a built-in planetary gear transmission is characterized by comprising a winch drum (1), a transmission device (2), a motor output shaft (3) and a driving device, wherein the transmission device (2) is installed in the winch drum (1) above a deck; the driving device is connected with the motor output shaft (3) below the deck, and the motor output shaft (3) penetrates through the deck to be connected with the transmission device (2); the driving device is provided with a brake;
the transmission device (2) is a gear reducer, the transmission device (2) comprises a gear transmission structure, an output flange (2.5), a mounting flange (2.6) and an input shaft (2.7), and the gear transmission structure is mounted on the deck through the mounting flange (2.6); the lowest shell of the gear transmission structure is connected with the inner wall of the stranded cable cylinder (1) through the output flange (2.5), the inner end of the output flange (2.5) is pressed tightly on the lower part of the gear transmission structure and the upper part of the mounting flange (2.6) up and down respectively, and the motor output shaft (3) is connected with a middle shaft of the gear transmission structure through the input shaft (2.7); the driving device drives the transmission device (2) to perform planetary transmission, and the transmission device (2) drives the stranded cable barrel (1) to rotate through the shell.
2. An internally geared planetary winch according to claim 1, characterised in that the transmission (2) comprises a multi-stage gearing structure.
3. The internal planetary gear drive winch of claim 2, wherein the gear drive structure comprises a sun gear, a planet carrier, a planet gear, an annulus gear; the driving device penetrates through the gear transmission structure through the input shaft (2.7) and the intermediate shaft to be connected with the uppermost sun gear, and the sun gear drives the planet gears to rotate along the inner gear ring in a meshed mode; the planet gear is arranged on the planet carrier, and the bottom end of the planet carrier is connected with the sun gear of the next-stage gear transmission structure to output power to the next-stage gear transmission structure; the planet carrier of the lowest gear transmission structure is fixed on the deck through the mounting flange (2.6).
4. The internal planetary gear transmission type winch according to claim 3, wherein the outer shells of the inner gear rings of the gear transmission structures of the respective stages are connected in sequence, and the lowermost outer shell is connected with the inner wall of the mooring drum (1).
5. A internally planetary geared winch according to claim 3, wherein said transmission (2) further comprises tapered roller bearings (2.17); the inner end of the output flange (2.5) is pressed tightly on the bottom of the planet carrier at the lowest part of the gear transmission structure and the upper part of the mounting flange (2.6) through the tapered roller bearing (2.17) from top to bottom respectively.
6. An internally-arranged planetary gear transmission type winch according to claim 5, wherein a plurality of tapered roller bearings (2.17) are respectively and circumferentially distributed on the upper and lower sides of the inner end of the output flange (2.5).
7. The internal planetary gear drive winch of claim 3, wherein the gear drive structure further comprises a pin, and the planet is mounted on the planet carrier via the pin.
8. An internally planetary geared winch according to claim 1, wherein the transmission (2) further comprises rollers (2.18); the bottom of the output flange (2.5) is overlapped on a plurality of rollers (2.18) uniformly distributed on the upper surface of the mounting flange (2.6) in a surrounding manner.
9. The internal planetary gear transmission type winch according to claim 1, wherein the outer end of the output flange (2.5) is fixedly connected with the inner wall of the winch barrel (1) through bolts.
10. A built-in planetary gear driven winch according to claim 1, characterized in that the mounting flange (2.6) is fixed to the deck by means of a transition mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122102345.6U CN216662327U (en) | 2021-09-02 | 2021-09-02 | Transmission type winch with built-in planetary gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122102345.6U CN216662327U (en) | 2021-09-02 | 2021-09-02 | Transmission type winch with built-in planetary gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216662327U true CN216662327U (en) | 2022-06-03 |
Family
ID=81758781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122102345.6U Active CN216662327U (en) | 2021-09-02 | 2021-09-02 | Transmission type winch with built-in planetary gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216662327U (en) |
-
2021
- 2021-09-02 CN CN202122102345.6U patent/CN216662327U/en active Active
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