CN113443153A - Photoelectric pod transmission structure - Google Patents
Photoelectric pod transmission structure Download PDFInfo
- Publication number
- CN113443153A CN113443153A CN202110833077.7A CN202110833077A CN113443153A CN 113443153 A CN113443153 A CN 113443153A CN 202110833077 A CN202110833077 A CN 202110833077A CN 113443153 A CN113443153 A CN 113443153A
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- Prior art keywords
- rotating shaft
- outer frame
- harmonic reducer
- driving motor
- transmission
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 39
- 238000009434 installation Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
- B64D47/08—Arrangements of cameras
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a photoelectric pod transmission structure, which comprises an outer frame; the inner frame is arranged in the outer frame, and the two ends of the inner frame are respectively and fixedly connected with a right rotating shaft and a left rotating shaft which are coaxial; the transmission assembly is arranged on the outer frame and drives the inner frame to rotate in the outer frame by the axes of the right rotating shaft and the left rotating shaft; the transmission assembly comprises a driving motor and a harmonic reducer, wherein the driving motor is installed at the left end of the outer frame and is connected with the harmonic reducer through a driving gear, the harmonic reducer is installed on the outer frame and is arranged side by side with the driving motor, the output end of the harmonic reducer is connected with a left rotating shaft of the inner frame, and the input end of the harmonic reducer is in meshing transmission with the driving gear through a driven gear. The invention has reasonable design, adopts the harmonic reducer with the transmission ratio of 320:1, and can select the driving motor with small volume and light weight to output large torque, thereby reducing the volume and the weight of the nacelle.
Description
Technical Field
The invention relates to the field of photoelectric pod, in particular to a transmission structure of a photoelectric pod.
Background
The photoelectric pod is widely applied to various fighters, helicopters, unmanned planes, ships, vehicles and other occasions in military, and is more and more widely applied to civil police aspects such as power line patrol, maritime smuggling, environmental monitoring, emergency rescue and the like, and the performance of a transmission structure is directly related to indexes such as volume, weight, stability and precision of the pod.
The transmission mode of the existing pod mainly comprises the following steps: the direct-drive type motor has the disadvantages that the size and the weight of the motor are large when large rotating torque is needed, so that the size and the weight of the nacelle are also large; the gear transmission can only achieve a smaller transmission ratio, and the amplification factor of the output torque is limited; wire rope drives and steel belt drives are generally used for small pods with a small rotation angle.
Disclosure of Invention
Therefore, in order to solve the defects, the invention provides the nacelle transmission structure with the high transmission ratio, which is reasonable in design and ingenious in structure, adopts the driving motor and the harmonic reducer to be matched for use, so that the transmission is stable and reliable, the harmonic reducer is adopted, and the transmission ratio of the harmonic reducer can reach 320:1, so that the driving motor with small size and light weight can be selected to output large torque, and the size and the weight of the nacelle are reduced.
The invention is realized by constructing a photoelectric pod transmission structure, which comprises
The two ends of the outer frame are respectively provided with a right mounting hole and a left mounting hole;
the inner frame is arranged in the outer frame, a right rotating shaft and a left rotating shaft are fixedly connected to two ends of the inner frame respectively, the right rotating shaft and the left rotating shaft are coaxial, the right rotating shaft is arranged in the right mounting hole through a right bearing, and the left rotating shaft is arranged in the left mounting hole through a left bearing; the transmission assembly is arranged on the outer frame and drives the inner frame to rotate along the axes of the right rotating shaft and the left rotating shaft;
the transmission assembly comprises a driving motor and a harmonic reducer, wherein the driving motor is installed at the left end of the outer frame and is connected with the harmonic reducer through a driving gear, the harmonic reducer is installed on the outer frame and is arranged side by side with the driving motor, the output end of the harmonic reducer is connected with a left rotating shaft of the inner frame, and the input end of the harmonic reducer is in meshing transmission with the master gear and the slave gear through a driven gear.
Preferably, the stator of the driving motor is fixedly connected with the outer frame, the rotor of the driving motor is installed in the stator of the motor through a motor bearing, the tail part of the rotor is embedded into the outer frame, and the rotor embedded into the outer frame is supported through a bearing. The purpose of this setting is, under the prerequisite of guaranteeing stable transmission, dwindles the volume of transmission structure as far as, makes it compacter.
Preferably, the rigid wheel of the harmonic reducer is fixedly connected with the outer frame through the adapter, the wave generator of the harmonic reducer is meshed with the driving gear of the driving motor through the driven gear,
a flexible gear of the harmonic reducer is fixedly connected with the left rotating shaft;
and the wave generator is arranged in the rigid wheel through a switching shaft, and the switching shaft is supported through a switching bearing arranged in the left rotating shaft. The purpose of this setting is that, let the part installation more reliable and stable, guarantee the transmission precision.
Preferably, a left rotating shaft mounting part and a right rotating shaft mounting part are respectively arranged at the left end and the right end of the inner frame.
The invention has the following advantages:
the transmission device is reasonable in design and ingenious in structure, the driving motor and the harmonic reducer are matched for use, so that the transmission is stable and reliable, a large reduction ratio can be obtained after the speed of the harmonic reducer is changed, the structure is compact, the size of the whole transmission structure is small, and the installation is convenient.
After the harmonic reducer with a large transmission ratio is adopted, the motor with small volume and light weight can be used for outputting larger torque, the motor purchasing cost is saved, the arrangement of the installation positions of the motor and the harmonic reducer is reasonable, the space utilization rate is improved, and therefore the volume and the weight of the nacelle are greatly reduced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3 (an assembled view of the present invention);
FIG. 5 is a perspective view of the inner frame of the present invention;
FIG. 6 is a perspective view of the outer frame of the present invention;
fig. 7 is a perspective view of the transmission assembly of the present invention.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
As shown in fig. 1-3 and 6, an electro-optic pod transmission structure comprises
The outer frame 1 (namely the fixing piece) is provided with a right mounting hole 101 and a left mounting hole 102 at two ends respectively;
the inner frame 2 (namely, a rotating part) is arranged in the outer frame, a right rotating shaft 4 and a left rotating shaft 16 (namely, a power input shaft) are fixedly connected to two ends of the inner frame respectively, the right rotating shaft 4 and the left rotating shaft 16 are coaxial, the right rotating shaft 4 is arranged in the right mounting hole 101 through a right bearing 3, and the left rotating shaft 16 is arranged in the left mounting hole 102 through a left bearing 17; and
the transmission assembly is arranged on the outer frame 1 and drives the inner frame 2 to rotate along the axes of the right rotating shaft 4 and the left rotating shaft 16;
as shown in fig. 3, 4 and 7, the transmission assembly includes a driving motor 5 and a harmonic reducer (the transmission ratio can reach 320: 1), wherein the driving motor 5 is installed at the left end (power input end) of the outer frame 1 and is connected with the harmonic reducer through a driving gear 6, the harmonic reducer is installed at the outer frame 1 and is arranged side by side with the driving motor 5, the output end of the harmonic reducer is connected with the left rotating shaft 16 of the inner frame 2, and the input end is engaged with the driving gear 6 through a driven gear 11 for transmission, so as to realize power transmission.
In this embodiment, the stator of the driving motor 5 is fixedly connected to the outer frame 1, the rotor 7 of the driving motor 5 is installed in the motor stator through a motor bearing 8, the tail of the rotor 7 is embedded in the outer frame 1, and the rotor 7 embedded in the outer frame is supported through a bearing.
In the embodiment, the rigid wheel 10 of the harmonic reducer is fixedly connected with the outer frame 1 through the adapter 9, the wave generator 12 of the harmonic reducer is meshed with the driving gear 6 of the driving motor 5 through the driven gear 11,
a flexible gear 14 of the harmonic reducer is fixedly connected with the left rotating shaft 16;
and the wave generator 12 is installed in the rigid wheel 10 through a transfer shaft 13, and the transfer shaft 13 is supported by a transfer bearing 15 installed in a left rotating shaft 16.
As shown in fig. 5, in the present embodiment, a left shaft mounting portion 202 and a right shaft mounting portion 201 are respectively opened at the left and right ends of the inner frame 2.
As shown in figure 4, when the invention is used, the driving gear is driven to rotate under the action of the driving motor, the driving gear is in meshed transmission with the driven gear, the driven gear drives the wave generator of the harmonic reducer to rotate, the flexible gear after speed change transmits power to the left rotating shaft, and the left rotating shaft drives the inner frame to rotate.
After the harmonic reducer with a large transmission ratio (up to 320: 1) is adopted, a motor with small volume and light weight can be used for outputting larger torque, the motor purchasing cost is saved, the arrangement of the installation positions of the motor and the harmonic reducer is reasonable, the space utilization rate is improved, and therefore the volume and the weight of the nacelle are greatly reduced.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A photoelectric pod transmission structure is characterized in that: comprises that
The two ends of the outer frame (1) are respectively provided with a right mounting hole (101) and a left mounting hole (102);
the inner frame (2) is arranged in the outer frame (1), a right rotating shaft (4) and a left rotating shaft (16) are fixedly connected to two ends of the inner frame respectively, the right rotating shaft (4) and the left rotating shaft (16) are coaxial, the right rotating shaft (4) is arranged in the right mounting hole (101) through a right bearing (3), and the left rotating shaft (16) is arranged in the left mounting hole (102) through a left bearing (17); and
the transmission component is arranged on the outer frame (1) and drives the inner frame (2) to rotate along the axes of the right rotating shaft (4) and the left rotating shaft (16);
the transmission assembly comprises a driving motor (5) and a harmonic reducer, wherein the driving motor (5) is installed at the left end of the outer frame (1) and is connected with the harmonic reducer through a driving gear (6), the harmonic reducer is installed on the outer frame (1) and is arranged side by side with the driving motor (5), the output end of the harmonic reducer is connected with a left rotating shaft (16) of the inner frame (2), and the input end of the harmonic reducer is in meshing transmission with the driving gear (6) through a driven gear (11).
2. The electro-optic pod drive structure of claim 1, wherein: the stator of the driving motor (5) is fixedly connected with the outer frame (1), the rotor (7) of the driving motor (5) is installed in the motor stator through a motor bearing (8), the tail part of the rotor (7) is embedded into the outer frame (1), and the rotor (7) embedded into the outer frame is supported through a bearing.
3. The electro-optic pod drive structure of claim 1, wherein: the rigid wheel (10) of the harmonic reducer is fixedly connected with the outer frame (1) through the adapter (9), the wave generator (12) of the harmonic reducer is meshed with the driving gear (6) through the driven gear (11),
a flexible gear (14) of the harmonic reducer is fixedly connected with the left rotating shaft (16);
the wave generator (12) is arranged in the rigid wheel (10) through a transfer shaft (13), and the transfer shaft (13) is supported through a transfer bearing (15) arranged in a left rotating shaft (16).
4. The electro-optic pod drive structure of claim 1, wherein: the left end and the right end of the inner frame (2) are respectively provided with a left rotating shaft mounting part (202) and a right rotating shaft mounting part (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833077.7A CN113443153A (en) | 2021-07-22 | 2021-07-22 | Photoelectric pod transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833077.7A CN113443153A (en) | 2021-07-22 | 2021-07-22 | Photoelectric pod transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113443153A true CN113443153A (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110833077.7A Pending CN113443153A (en) | 2021-07-22 | 2021-07-22 | Photoelectric pod transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113443153A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447794A (en) * | 2022-09-26 | 2022-12-09 | 中铁二院工程集团有限责任公司 | Unmanned aerial vehicle aerial geophysical prospecting crystal nacelle device |
| CN117800104A (en) * | 2024-02-28 | 2024-04-02 | 广州市奥荣智能设备有限公司 | Turning device, control method thereof and product production line with turning device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1664470A1 (en) * | 2003-08-21 | 2006-06-07 | Brose Fahrzeugteile GmbH & Co. KG, Coburg | Drive system for regulating devices in motor vehicles |
| CN203727654U (en) * | 2014-02-17 | 2014-07-23 | 广东电网公司电力科学研究院 | Multi-load pod stabilizing platform |
| US20160305528A1 (en) * | 2015-04-20 | 2016-10-20 | Nabors Lux Finance 2 Sarl | Harmonic Gear Drive |
| EP3425777A2 (en) * | 2017-07-07 | 2019-01-09 | Hamilton Sundstrand Corporation | Compound harmonic gear |
| EP3447886A1 (en) * | 2017-08-25 | 2019-02-27 | Hamilton Sundstrand Corporation | Inverted harmonic gear actuator |
| CN109723799A (en) * | 2019-01-16 | 2019-05-07 | 南京信息工程大学 | A kind of combined harmonic retarder |
| CN209180328U (en) * | 2018-11-09 | 2019-07-30 | 北京中技克美谐波传动股份有限公司 | Harmonic wave two stage reducer |
| CN212709941U (en) * | 2020-05-07 | 2021-03-16 | 苏州绿的谐波传动科技股份有限公司 | Right-angle harmonic speed reduction steering engine working in narrow space |
| CN113443155A (en) * | 2021-07-22 | 2021-09-28 | 成都浩孚科技有限公司 | Triaxial photoelectric pod |
-
2021
- 2021-07-22 CN CN202110833077.7A patent/CN113443153A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1664470A1 (en) * | 2003-08-21 | 2006-06-07 | Brose Fahrzeugteile GmbH & Co. KG, Coburg | Drive system for regulating devices in motor vehicles |
| CN203727654U (en) * | 2014-02-17 | 2014-07-23 | 广东电网公司电力科学研究院 | Multi-load pod stabilizing platform |
| US20160305528A1 (en) * | 2015-04-20 | 2016-10-20 | Nabors Lux Finance 2 Sarl | Harmonic Gear Drive |
| EP3425777A2 (en) * | 2017-07-07 | 2019-01-09 | Hamilton Sundstrand Corporation | Compound harmonic gear |
| EP3447886A1 (en) * | 2017-08-25 | 2019-02-27 | Hamilton Sundstrand Corporation | Inverted harmonic gear actuator |
| CN209180328U (en) * | 2018-11-09 | 2019-07-30 | 北京中技克美谐波传动股份有限公司 | Harmonic wave two stage reducer |
| CN109723799A (en) * | 2019-01-16 | 2019-05-07 | 南京信息工程大学 | A kind of combined harmonic retarder |
| CN212709941U (en) * | 2020-05-07 | 2021-03-16 | 苏州绿的谐波传动科技股份有限公司 | Right-angle harmonic speed reduction steering engine working in narrow space |
| CN113443155A (en) * | 2021-07-22 | 2021-09-28 | 成都浩孚科技有限公司 | Triaxial photoelectric pod |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447794A (en) * | 2022-09-26 | 2022-12-09 | 中铁二院工程集团有限责任公司 | Unmanned aerial vehicle aerial geophysical prospecting crystal nacelle device |
| CN115447794B (en) * | 2022-09-26 | 2023-09-05 | 中铁二院工程集团有限责任公司 | Unmanned aerial vehicle aviation geophysical prospecting detection crystal nacelle device |
| CN117800104A (en) * | 2024-02-28 | 2024-04-02 | 广州市奥荣智能设备有限公司 | Turning device, control method thereof and product production line with turning device |
| CN117800104B (en) * | 2024-02-28 | 2024-05-07 | 广州市奥荣智能设备有限公司 | Turning device, control method thereof and product production line with turning device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210928 |
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| RJ01 | Rejection of invention patent application after publication |