CN220527825U - Servo motor for underwater operation - Google Patents
Servo motor for underwater operation Download PDFInfo
- Publication number
- CN220527825U CN220527825U CN202322185886.9U CN202322185886U CN220527825U CN 220527825 U CN220527825 U CN 220527825U CN 202322185886 U CN202322185886 U CN 202322185886U CN 220527825 U CN220527825 U CN 220527825U
- Authority
- CN
- China
- Prior art keywords
- stage planet
- cavity
- end cover
- stage
- planet carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000012856 packing Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 description 7
- JAYCNKDKIKZTAF-UHFFFAOYSA-N 1-chloro-2-(2-chlorophenyl)benzene Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1Cl JAYCNKDKIKZTAF-UHFFFAOYSA-N 0.000 description 4
- 101100084627 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) pcb-4 gene Proteins 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Retarders (AREA)
Abstract
The utility model relates to the technical field of servo motors, in particular to a servo motor for underwater operation, which comprises a shell, wherein the shell is of an integrated structure and is provided with a containing cavity for containing a motor body and a speed reducer and a cavity for installing a PCB (printed circuit board), a front end cover is installed on an opening of one end of the containing cavity, a convex ring is formed by outwards protruding the middle part of the front end cover, an output shaft of the speed reducer penetrates through the front end cover and partially stretches out of the convex ring, a sealing ring is arranged between the output shaft of the speed reducer and the front end cover and between the front end cover and the shell, one side of the cavity is opened, a circle of installation edge is formed by protruding on the bottom surface of the cavity, an outgoing line hole is formed at the edge close to the installation edge, a guide pipe for a cable is formed by protruding on the outer side wall of the cavity, and a packing seal is arranged in the guide pipe. According to the utility model, the existing servo motor shell is changed, the PCB circuit board is arranged on the servo motor shell, the motor body is enabled to act through the set parameters, the installation is convenient, the sealing performance is good, the driving force is improved, and the motor is more suitable for underwater operation.
Description
Technical Field
The utility model relates to the technical field of servo motors, in particular to a servo motor for underwater operation.
Background
Currently, with the popularization of robots, underwater robots have also been developed. The underwater robot can replace manual work to carry out tasks such as underwater detection, maintenance and the like, and a servo motor is the most representative basic power source in the works.
The underwater detection, maintenance and the like need to carry out data transmission with control equipment on land so as to control the action of the underwater robot, namely the control equipment directly controls the action of the underwater servo motor. Because of instability in transmission of underwater signals, data transmission is directly carried out through an encoder of the existing servo motor, and the transmission effect is not ideal. And the single-stage planetary gears of the speed reducer part in the existing servo motor are generally arranged into three, and the servo motor needs to provide larger driving force due to water flow, water pressure and the like.
Disclosure of Invention
The utility model aims to solve the technical problems that: overcomes the defects in the prior art and provides a servo motor for underwater operation.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a servo motor for underwater operation, includes the casing, the casing is integrated into one piece structure, and it has the appearance chamber of holding motor body and reduction gear and installs the cavity of PCB circuit board, hold the both ends opening in chamber, one end opening is sealed by the rear end cap, installs the front end housing on the other end opening, the outside protrusion in front end housing middle part is formed with the bulge loop, the output shaft of reduction gear runs through front end housing and this bulge loop is stretched out to part, and all is equipped with the sealing washer between output shaft and the front end housing of reduction gear, between front end housing and the casing, one side opening of cavity is fixed with the side apron on this side opening, and the protrusion is formed with round installation limit on the bottom surface of cavity, has offered a lead-out wire hole near the border department of installation limit, and the protrusion forms the guide tube of cable on the lateral wall of cavity, be provided with the packing in the guide tube.
Further, the speed reducer comprises a toothed ring, a first-stage planet carrier, a second-stage planet carrier and a third-stage planet carrier, four first-stage planet gears and a second-stage sun gear are arranged on the first-stage planet carrier, four second-stage planet gears and a third-stage sun gear are arranged on the second-stage planet carrier, four third-stage planet gears are arranged on the third-stage planet carrier, the third-stage planet carrier is connected with an output shaft of the speed reducer, the third-stage planet gears, the second-stage planet gears and the first-stage planet gears are all meshed with the toothed ring, the third-stage planet gears are meshed with the third-stage sun gear, the first-stage planet gears are meshed with an output gear of the motor body, and the second-stage planet gears are meshed with the second-stage sun gear.
Four planetary gears at each stage are adopted, so that the bearing capacity is larger, the rotation is more stable, and the noise is reduced.
Furthermore, the front end of the three-stage planet carrier is positioned in the front end cover, and a sealing ring is arranged between the three-stage planet carrier and the front end cover. By the arrangement, the installation is firm, and the structure is more compact.
Further, a driving gear is arranged on an output shaft of the speed reducer positioned outside the convex ring, a gasket is arranged at the shaft end of the output shaft through a screw, and the gasket is in contact with the driving gear. The gasket is arranged to play a role in damping the driving gear.
In order to further ensure the tightness of the front end cover and the shell, the edge of the front end cover is provided with an elastic retainer ring.
Further, the motor body comprises a motor shell, a stator, a rotor, a rotating shaft, an end cover and a bearing cover, wherein the stator is fixedly arranged on the inner wall of the motor shell, the rotor is sleeved on the rotating shaft, a rotating gap exists between the rotor and the stator, one end of the rotating shaft penetrates through the end cover and is connected with the end cover through a bearing, and the bearing cover is connected to the outer side of the end cover.
Further, an output gear is mounted on one end of the rotating shaft, and the output gear is a D-shaped gear. And the output gear of the D-shaped gear ensures the transmission efficiency.
In order to ensure the tightness of the side cover plate and the shell, a circle of ring grooves are formed in the inner side edge, close to the side opening of the cavity, of the side cover plate, protrusions matched with the ring grooves are arranged on the side cover plate, and sealing rings are arranged between the protrusions and the ring grooves.
The beneficial effects of the utility model are as follows: according to the utility model, the existing servo motor shell is changed, the PCB circuit board is arranged on the servo motor shell, the motor body can be enabled to act through set parameters, and the structural design of the front end cover ensures the tightness of the front end of the shell; the installation edge is convenient for rapidly installing the PCB, the guide pipe is arranged to facilitate the connection of the power line, the control line and the PCB, and the packing seal ensures the tightness of the cavity; four planetary gears at each stage in the speed reducer are adopted, the transmission ratio is higher, the torque is reduced, the speed of an output shaft of the speed reducer is increased, a larger driving force is obtained, and the speed reducer is more suitable for underwater operation.
Drawings
The utility model will be further described with reference to the drawings and embodiments.
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a perspective view of the utility model with the side cover removed.
Fig. 3 is a schematic structural view of the housing in the present utility model.
Fig. 4 is a longitudinal cross-sectional view of fig. 1.
Fig. 5 is a cross-sectional view of the decelerator of the present utility model.
Fig. 6 is an assembly view of the decelerator of the present utility model.
In the figure: 1. the housing, 11, cavity, 12, cavity, 121, mounting edge, 122, lead-out hole, 123, guide tube, 124, ring groove, 2, motor body, 20, output gear, 21, motor casing, 22, stator, 23, rotor, 24, shaft, 25, end cap, 26, bearing cap, 3, speed reducer, 30, output shaft, 31, ring gear, 32, primary planet carrier, 33, secondary planet carrier, 34, tertiary planet carrier, 35, primary planet carrier, 36, secondary sun gear, 37, secondary planet carrier, 38, tertiary sun gear, 39, tertiary planet carrier, 310, drive gear, 4, PCB circuit board, 5, front end cap, 51, ring gear, 6, seal ring, 7, side cover, 8, screws, 9, shims, 10.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings. These drawings are simplified schematic views illustrating the basic structure of the present utility model by way of illustration only, and thus show only the constitution related to the present utility model.
As shown in fig. 1 to 4, the servo motor for underwater operation comprises a shell 1, wherein the shell 1 is made of titanium alloy, and has light weight, higher strength and deeper pressure-resistant depth; the casing 1 is an integral structure, which is provided with a containing cavity 11 for containing the motor body 2 and the speed reducer 3 and a cavity 12 for installing the PCB 4, wherein two ends of the containing cavity 11 are open, one end opening is closed by the rear end cover 4, the other end opening is provided with the front end cover 5, the middle part of the front end cover 5 is outwards protruded to form a convex ring 51, an output shaft 30 of the speed reducer 3 penetrates through the front end cover 5 and partially stretches out of the convex ring 51, a sealing ring 6 is arranged between the output shaft 30 of the speed reducer 3 and the front end cover 5 and between the front end cover 5 and the casing 1, one side of the cavity 12 is opened, a side cover 7 is fixed on the side opening, a circle of installation edge 121 is protruded on the bottom surface of the cavity 12, a connecting hole is formed on four corners of the installation edge near the installation edge 121, a lead-out wire hole 122 is formed on the outer side wall of the cavity 12 in a protruded manner, and a guide pipe 123 of a cable is arranged in the guide pipe 123 in a filler seal (not shown in the figure); a ring groove 124 is provided near the inner edge of the opening of the chamber 12, a protrusion (not shown) matching with the ring groove 124 is provided on the side cover 7, and a sealing ring (not shown) is provided between the protrusion and the ring groove 124.
As shown in fig. 5 to 6, the speed reducer 3 includes a toothed ring 31, a primary planet carrier 32, a secondary planet carrier 33 and a tertiary planet carrier 34, four primary planet gears 35 and a secondary sun gear 36 are mounted on the primary planet carrier 32, four secondary planet gears 37 and a tertiary sun gear 38 are mounted on the secondary planet carrier 33, four tertiary planet gears 39 are mounted on the tertiary planet carrier 34, the tertiary planet carrier 34 is connected with the output shaft 30 of the speed reducer 3, the tertiary planet gears 39, the secondary planet gears 37 and the primary planet gears 35 are all engaged with the toothed ring 31, the tertiary planet gears 39 are engaged with the tertiary sun gear 38, the primary planet gears 35 are engaged with the output gear 20 of the motor body 2, and the secondary planet gears 37 are engaged with the secondary sun gear 36.
And the front end of the three-stage planet carrier 34 is positioned in the front end cover 5, and a sealing ring 6 is arranged between the three-stage planet carrier 34 and the front end cover 5. A driving gear 310 is mounted on the output shaft 30 of the speed reducer 3 located outside the convex ring 51, a washer 9 is mounted on the shaft end of the output shaft 30 through a screw 8, and the washer 9 is in contact with the driving gear 310. The edge of the front end cover 5 is provided with a circlip 10.
As shown in fig. 4, the motor body 2 includes a motor casing 21, a stator 22, a rotor 23, a rotating shaft 24, an end cover 25 and a bearing cover 26, wherein the stator 22 is fixedly arranged on the inner wall of the motor casing 21, the rotor 23 is sleeved on the rotating shaft 24, a rotating gap is formed between the rotor and the stator 22, one end of the rotating shaft 24 passes through the end cover 25 and is connected with the end cover 25 through a bearing, and the bearing cover 26 is connected with the outer side of the end cover 25. An output gear 20 is mounted on one end of the rotating shaft 24, and the output gear 20 is a D-shaped gear.
In the working process, external water pressure and water flow can act on the servo motor of the embodiment, the front end cover 5 and the rear end cover 4 bear certain pressure, most of the pressure acts on the shell 1, and the shell 1 is of an integrated structure, has larger pressure bearing capacity and can work in a deeper underwater environment; sealing rings 6 are arranged between the output shaft 30 of the speed reducer 3 and the front end cover 5, between the front end cover 5 and the shell 1 and between the three-stage planet carrier 34 and the front end cover 5, so that the tightness of the whole servo motor is ensured; the PCB 4 is arranged in the cavity 12, the motor body 2 can be enabled to act through set parameters, the PCB 4 is convenient to install rapidly by the installation edge 121 in the cavity 12, the guide pipe 123 is convenient for connecting a power line, a control line and the PCB 4, and the sealing performance of the cavity 12 is ensured by the packing seal; four planetary gears at each stage in the speed reducer 2 are adopted, the transmission ratio is higher, the torque is reduced, the speed of an output shaft of the speed reducer 2 is increased, a larger driving force is obtained, and the speed reducer is more suitable for underwater operation.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The utility model provides a servo motor for underwater operation, includes casing, its characterized in that: the casing structure as an organic whole, it has the appearance chamber of holding motor body and reduction gear and the cavity of installation PCB circuit board, the both ends opening in appearance chamber, one end opening is closed by the rear end cap, installs the front end housing on the other end opening, the outside protrusion in front end housing middle part is formed with the bulge loop, the output shaft of reduction gear runs through the front end housing and this bulge loop is stretched out to part, and all is equipped with the sealing washer between the output shaft of reduction gear and the front end housing, between front end housing and the casing, one side opening of cavity is fixed with the side cover board on this side opening, and the protrusion is formed with round installation limit on the bottom surface of cavity, has seted up an outgoing line hole near the border department of installation limit, and the protrusion is formed with the guide tube of cable on the lateral wall of cavity, be provided with the packing in the guide tube.
2. The underwater operation servomotor according to claim 1, wherein: the speed reducer comprises a toothed ring, a first-stage planet carrier, a second-stage planet carrier and a third-stage planet carrier, wherein four first-stage planet gears and a second-stage sun gear are arranged on the first-stage planet carrier, four second-stage planet gears and a third-stage sun gear are arranged on the second-stage planet carrier, four third-stage planet gears are arranged on the third-stage planet carrier, the third-stage planet carrier is connected with an output shaft of the speed reducer, the third-stage planet gears, the second-stage planet gears and the first-stage planet gears are all meshed with the toothed ring, the third-stage planet gears are meshed with the third-stage sun gear, the first-stage planet gears are meshed with an output gear of the motor body, and the second-stage planet gears are meshed with the second-stage sun gear.
3. The servo motor for underwater operation according to claim 2, wherein: the front end of the three-stage planet carrier is positioned in the front end cover, and a sealing ring is arranged between the three-stage planet carrier and the front end cover.
4. The underwater operation servomotor according to claim 1, wherein: the output shaft of the speed reducer positioned outside the convex ring is provided with a driving gear, the shaft end of the output shaft is provided with a gasket through a screw, and the gasket is in contact with the driving gear.
5. The underwater operation servomotor according to claim 1, wherein: and an elastic retainer ring is arranged at the edge of the front end cover.
6. The underwater operation servomotor according to claim 1, wherein: the motor body comprises a motor shell, a stator, a rotor, a rotating shaft, an end cover and a bearing cover, wherein the stator is fixedly arranged on the inner wall of the motor shell, the rotor is sleeved on the rotating shaft, a rotating gap exists between the rotor and the stator, one end of the rotating shaft penetrates through the end cover and is connected with the end cover through a bearing, and the bearing cover is connected to the outer side of the end cover.
7. The underwater operation servomotor according to claim 6, wherein: an output gear is arranged at one end of the rotating shaft, and the output gear is a D-shaped gear.
8. The underwater operation servomotor according to claim 1, wherein: a circle of ring grooves are arranged on the inner side edge of the side opening of the cavity, protrusions matched with the ring grooves are arranged on the side cover plate, and sealing rings are arranged between the protrusions and the ring grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322185886.9U CN220527825U (en) | 2023-08-15 | 2023-08-15 | Servo motor for underwater operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322185886.9U CN220527825U (en) | 2023-08-15 | 2023-08-15 | Servo motor for underwater operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220527825U true CN220527825U (en) | 2024-02-23 |
Family
ID=89939271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322185886.9U Active CN220527825U (en) | 2023-08-15 | 2023-08-15 | Servo motor for underwater operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220527825U (en) |
-
2023
- 2023-08-15 CN CN202322185886.9U patent/CN220527825U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220527825U (en) | Servo motor for underwater operation | |
| CN217009527U (en) | Antenna folding mechanism, folding antenna and underwater robot | |
| CN201027914Y (en) | Angle transmission speed reducer | |
| CN212106807U (en) | Speed reducer for vertical transmission pump | |
| CN201381093Y (en) | Two-tooth difference air cooling type electric roller | |
| CN212509373U (en) | Planetary gear reduction box | |
| CN211599417U (en) | Special planetary reducer of air cycle | |
| CN110081157B (en) | Planetary reducer gear lubricating structure and method | |
| CN217355408U (en) | Single-stage bevel gear speed reducer | |
| CN207005210U (en) | High-precision planet-gear speed reducer | |
| CN215806209U (en) | Structure for preventing oil leakage of gear box | |
| CN213744816U (en) | Speed reducer shell structure | |
| CN113738846B (en) | Harmonic reducer of novel structure | |
| CN218958715U (en) | Planetary gear reduction type driving motor assembly | |
| CN214743064U (en) | Reduction box for automatic door | |
| CN110792252A (en) | Power device of building climbing frame | |
| CN206036141U (en) | Coaxial planetary geared oxygen -increasing machine gearbox of two outputs of an input | |
| CN216078151U (en) | Single-stage planetary reducer with large speed ratio and high torque | |
| CN213088655U (en) | Planetary gear reduction box | |
| CN220706363U (en) | Star wheel speed reducer | |
| CN201166187Y (en) | Full seal valve drive device | |
| CN217108041U (en) | Double-output gear hobbing speed reducer | |
| CN213805260U (en) | Small gate hoist | |
| CN217874040U (en) | Ball screw lifting type elevator | |
| CN219843480U (en) | Motor box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |