CN107202099B - Coaxial bidirectional output positioning transmission device - Google Patents
Coaxial bidirectional output positioning transmission device Download PDFInfo
- Publication number
- CN107202099B CN107202099B CN201710462103.3A CN201710462103A CN107202099B CN 107202099 B CN107202099 B CN 107202099B CN 201710462103 A CN201710462103 A CN 201710462103A CN 107202099 B CN107202099 B CN 107202099B
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- transmission
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- shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 122
- 230000002457 bidirectional effect Effects 0.000 title abstract description 13
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Gear Transmission (AREA)
Abstract
A coaxial bidirectional output positioning transmission device. Mainly solves the problems of complex structure, huge volume, lower transmission efficiency, weak bearing capacity and impact resistance and shorter service life of the existing positioning transmission mechanism. The invention provides a coaxial bidirectional output positioning transmission device, the output of which is driven by two eccentric shafts, and compared with the traditional output shaft, the coaxial bidirectional output positioning transmission device can split the input torque and expand the input torque to the left and right sides for output respectively. Preferably, the first transmission mechanism is a worm and gear transmission mechanism, the characteristics of direction changing, self locking and large transmission ratio are provided, the second transmission mechanism is gear transmission and outputs the transmission to the left side and the right side respectively, the third transmission mechanism is a cycloid transmission mechanism, simultaneous full-tooth meshing can be realized, the bearing capacity is high, and the load output surface is large.
Description
Technical Field
The invention relates to the field of high-precision transmission equipment, in particular to a coaxial bidirectional output positioning transmission device.
Background
The existing coaxial bidirectional output transmission mechanism generally uses transmission modes such as a single-stage worm gear, a planetary gear and the like for output.
In order to meet the requirement of outputting enough large torque, the transmission device is required to achieve a large transmission ratio, the transmission device is required to meet the large transmission ratio, multi-stage transmission is required for transmission modes such as gears, worm gears and the like, the large transmission ratio can be met only by large single-stage meshing gear teeth, the service life of the gears is seriously influenced, and the whole structure is very complex and huge. The traditional worm gear and worm, planetary gear and other transmission forms mainly adopt an adjustable center distance or a double-lead structure, and the overall design requirement of a large transmission ratio is difficult to realize because single-stage transmission is smaller. The planetary gear needs to realize a large transmission ratio and can be realized only by multistage transmission, so that the processing cost is increased, the size is huge, the precision is reduced due to multistage transmission, and the transmission efficiency is low. And the worm gear and the gear can be meshed with a plurality of teeth at most during transmission, the tooth surface is easy to wear, and the gap is increased.
In the field of solar power generation, as the tiny shaking of heliostats can cause great deviation of reflected light, very high requirements are put forward on return difference and rigidity of an output shaft of a transmission device, at present, the photo-thermal power generation tracking basically adopts a hydraulic transmission mode, and the photo-thermal power generation tracking device has the advantages of complex structure, large volume, more additional equipment, high failure rate and difficult maintenance, and severe field environment brings forward a severe test on the precision of the transmission device and the service life of transmission parts.
Disclosure of Invention
In order to overcome the defects of the background technology, the invention provides a coaxial bidirectional output positioning transmission device, which mainly solves the problems of complex structure, huge volume, lower transmission efficiency, weak bearing capacity and impact resistance and shorter service life of the traditional positioning transmission mechanism.
The invention adopts the technical scheme that:
the coaxial bidirectional output positioning transmission device comprises a shell, wherein the middle end of the shell is provided with a power source and a first transmission mechanism driven by the power source, both ends of the shell are respectively provided with a transmission case, the outer end face of each transmission case is provided with an output disc, the first transmission mechanism drives a third transmission mechanism to act through a second transmission mechanism, the third transmission mechanism is used for driving the output discs to rotate and output,
the third transmission mechanism comprises a first eccentric shaft and a second eccentric shaft,
the second transmission mechanism comprises a connecting shaft driven to rotate by the first transmission mechanism, and the connecting shaft is respectively connected with the two eccentric shafts through transmission gears;
the first eccentric shaft and the second eccentric shaft are coaxially arranged, and a gap is arranged between the opposite surfaces of the first eccentric shaft and the second eccentric shaft.
The invention has the beneficial effects that: the invention provides a coaxial bidirectional output positioning transmission device, the output of which is driven by two eccentric shafts, and compared with the traditional output shaft, the coaxial bidirectional output positioning transmission device can split the input torque and expand the input torque to the left and right sides for output respectively. Preferably, the first transmission mechanism is a worm and gear transmission mechanism, the characteristics of direction changing, self locking and large transmission ratio are provided, the second transmission mechanism is gear transmission and outputs the transmission to the left side and the right side respectively, the third transmission mechanism is a cycloid transmission mechanism, simultaneous full-tooth meshing can be realized, the bearing capacity is high, and the load output surface is large.
Drawings
FIG. 1 is a schematic cross-sectional view of one embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of another angle of an embodiment of the present invention.
Fig. 3 is a schematic perspective view of an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings: as shown in the figure, the coaxial bidirectional output positioning transmission device comprises a shell 10, wherein a power source and a first transmission mechanism 111 driven by the power source are arranged at the middle end of the shell, transmission boxes 1 are arranged at the two ends of the shell, an output disc 19 is arranged on the outer end face of each transmission box, the first transmission mechanism drives a third transmission mechanism 3333 to act through a second transmission mechanism, the third transmission mechanism 3333 is used for driving the output disc 19 to rotate and output, the third transmission mechanism comprises a first eccentric shaft 261 and a second eccentric shaft 262, the second transmission mechanism comprises a connecting shaft 23 driven by the first transmission mechanism to rotate, and the connecting shaft is respectively connected with the two eccentric shafts through a transmission gear 24; the first and second eccentric shafts 261 and 262 are coaxially disposed with a gap 263 provided between opposite surfaces thereof. Compared with a traditional output shaft, the coaxial bidirectional output positioning transmission device can split input torque and expand the input torque to the left side and the right side for output, has smaller volume, more compact structure and convenient processing compared with a mechanism provided with a cycloid transmission mechanism to achieve the same output torque requirement, and is easy to realize industrial batch production. Preferably, the first transmission mechanism is a worm and gear transmission mechanism, the characteristics of direction changing, self locking and large transmission ratio are provided, the second transmission mechanism is gear transmission and outputs the transmission to the left side and the right side respectively, the third transmission mechanism is a cycloid transmission mechanism, simultaneous full-tooth meshing can be realized, the bearing capacity is high, and the load output surface is large. The output discs are arranged on the two sides to realize coaxial synchronous output on the two sides, so that the device can bear heavy load and has better use effect. As an alternative, the structure and the shape of the two eccentric shafts are the same, and a gap exists between the two eccentric shafts, so that the assembly can be convenient, if one transmission shaft is adopted for the same torque, the same torque needs to be greatly produced, and the scheme adopts the two eccentric shafts to split the torque, so that the service life is longer. When the rotary disc type electric machine is used, the motor drives the rotary shaft to rotate through the worm and gear transmission mechanism, the rotation drives the two eccentric shafts to rotate through the gear rotation mechanism, and the eccentric shafts drive the output disc to rotate through the third transmission mechanism.
In this embodiment, as shown in the drawing, the third transmission mechanism further includes a curved wheel 28, a needle roller 17, a pin shaft 18 and an inner gear ring 20, the eccentric shaft 26 is connected with the curved wheel 28 through a bearing 27, the pin shaft 18 is connected with the curved wheel 28, the pin shaft 18 is fixed on the output disc 19 through a first screw 14, a plurality of needle rollers 17 are uniformly distributed between the curved wheel 28 and the inner gear ring 20, and the curved wheel 28 drives the output disc 19 to rotate and output through the needle roller 11.
In this embodiment, as shown in the drawing, the power source is a motor 9, the first transmission mechanism 1111 includes a worm wheel 5 and a worm 8 meshed with each other, the worm 8 is connected with the motor 9 through a coupling 12, and the worm wheel 5 is sleeved on the connecting shaft 23 and rotates synchronously therewith. The worm gear has self-locking property, good use effect, large transmission ratio, high transmission efficiency, small return difference and strong shock resistance.
In this embodiment, as shown in the drawing, the transmission gear 24 includes a pinion 21 and a large gear 22, the transmission gear 24 is sleeved on the first eccentric shaft, and the pinion 21 is sleeved on the transmission shaft.
In this embodiment, the motor 9 is fixed to the gear box 1 as shown.
In the present embodiment, as shown in the drawing, the ring gear 20 is fixed to the transmission case 1 by the second screw 6.
In this embodiment, the connecting shaft 23 is fixed to the transmission case 1 via a bearing 27 as shown. The mechanism is simple and the use effect is good.
In this embodiment, as shown in the drawing, the retainer rings 10 are correspondingly installed on two sides of the needle roller 17. The limit rolling pin can run more stably.
In this embodiment, the pin 18 is fixed to the platen 25 by a screw as shown.
In this embodiment, as shown in the figure, the gear box 1 is provided with an observation hole 27 for assembly maintenance. The case can be visually seen, and the use is convenient.
The examples should not be construed as limiting the invention, but any modifications based on the spirit of the invention should be within the scope of the invention.
Claims (7)
1. The utility model provides a coaxial two-way output location transmission, includes casing (10), its characterized in that: the middle end of the shell is provided with a power source and a first transmission mechanism (111) driven by the power source, both ends of the shell are provided with transmission boxes (1), the outer end surfaces of the transmission boxes are provided with output discs (19), the first transmission mechanism drives a third transmission mechanism (3333) to act through a second transmission mechanism, the third transmission mechanism (3333) is used for driving the output discs (19) to rotate and output,
the third transmission mechanism comprises a first eccentric shaft (261) and a second eccentric shaft (262),
the second transmission mechanism comprises a connecting shaft (23) driven by the first transmission mechanism to rotate, and the connecting shaft is respectively connected with the two eccentric shafts through transmission gears (24);
the first eccentric shaft (261) and the second eccentric shaft (262) are coaxially arranged, and a gap (263) is arranged between opposite surfaces of the first eccentric shaft and the second eccentric shaft;
the third transmission mechanism further comprises a curve wheel (28), rolling pins (17), a pin shaft (18) and an inner gear ring (20), wherein the eccentric shaft (26) is connected with the curve wheel (28) through a bearing (27), the pin shaft (18) is connected with the curve wheel (28), the pin shaft (18) is fixed on an output disc (19) through a first screw (14), a plurality of rolling pins (17) are uniformly distributed between the curve wheel (28) and the inner gear ring (20), and the curve wheel (28) drives the output disc (19) to rotate and output through the rolling pins (11);
the power source is motor (9), first drive mechanism (1111) include intermeshing worm wheel (5) and worm (8), worm (8) are connected with motor (9) through shaft coupling (12), worm wheel (5) cover is established on connecting axle (23) rather than synchronous rotation.
2. A coaxial bi-directional output positioning transmission as set forth in claim 1 wherein: the transmission gear (24) comprises a pinion (21) and a large gear (22), the transmission gear (24) is sleeved on the first eccentric shaft, and the pinion (21) is sleeved on the transmission shaft.
3. A coaxial bi-directional output positioning transmission as set forth in claim 1 wherein: the inner gear ring (20) is fixed on the transmission case (1) through a second screw (6).
4. A coaxial bi-directional output positioning transmission as set forth in claim 1 wherein: the connecting shaft (23) is fixed on the transmission case (1) through a bearing (27).
5. A coaxial bi-directional output positioning transmission as set forth in claim 1 wherein: retaining rings (10) are correspondingly arranged on two sides of the needle roller (17).
6. A coaxial bi-directional output positioning transmission as set forth in claim 1 wherein: the pin shaft (18) is fixed on the pressure plate (25) through a screw.
7. A coaxial bi-directional output positioning transmission as set forth in claim 1 wherein: the transmission case (1) is provided with an observation hole (27) for assembly and maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710462103.3A CN107202099B (en) | 2017-06-19 | 2017-06-19 | Coaxial bidirectional output positioning transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710462103.3A CN107202099B (en) | 2017-06-19 | 2017-06-19 | Coaxial bidirectional output positioning transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107202099A CN107202099A (en) | 2017-09-26 |
| CN107202099B true CN107202099B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710462103.3A Active CN107202099B (en) | 2017-06-19 | 2017-06-19 | Coaxial bidirectional output positioning transmission device |
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| Country | Link |
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| CN (1) | CN107202099B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696465B (en) * | 2019-10-23 | 2024-02-27 | 江苏中信博新能源科技股份有限公司 | Multi-point parallel synchronous driving device and application thereof |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4132131A (en) * | 1977-07-14 | 1979-01-02 | Curtiss-Wright Corporation | Free-floating planetary transmission with contra-rotating dual output shafts |
| DE3731065A1 (en) * | 1987-09-16 | 1989-03-30 | Altona Elbe Zahnradfabrik | Worm gear |
| CN101982674A (en) * | 2010-11-22 | 2011-03-02 | 重庆钢铁(集团)有限责任公司 | Annular speed reducer |
| CN102312985A (en) * | 2011-06-09 | 2012-01-11 | 汪大汪 | Automatic differential for steering-wheel tractor gearboxes |
| CN203009733U (en) * | 2012-12-21 | 2013-06-19 | 江苏泰来减速机有限公司 | Coaxial single-input dual-output speed reducer |
| CN104373542A (en) * | 2014-10-24 | 2015-02-25 | 浙江恒丰泰减速机制造有限公司 | Locating transmission mechanism |
| CN204200968U (en) * | 2014-11-04 | 2015-03-11 | 天津职业技术师范大学 | A kind of T-shaped worm and gear-cycloid combination dual output large speed ratio retarder |
| CN104565261A (en) * | 2014-12-26 | 2015-04-29 | 浙江恒丰泰减速机制造有限公司 | Precision rotational transmission mechanism |
| CN204387245U (en) * | 2014-12-26 | 2015-06-10 | 浙江恒丰泰减速机制造有限公司 | Precision rotating driving mechanism |
| CN105782355A (en) * | 2016-04-08 | 2016-07-20 | 陈基甸 | Single-input double-output transmission device |
| CN205503874U (en) * | 2016-04-14 | 2016-08-24 | 浙江恒丰泰减速机制造有限公司 | Precision level drive mechanism |
| CN205534159U (en) * | 2016-04-14 | 2016-08-31 | 浙江恒丰泰减速机制造有限公司 | Accurate biax drive mechanism |
| WO2017018080A1 (en) * | 2015-07-30 | 2017-02-02 | 株式会社ミツバ | Motor device |
| CN207034093U (en) * | 2017-06-19 | 2018-02-23 | 恒丰泰精密机械股份有限公司 | A kind of coaxial two-direction exports positioning gear |
-
2017
- 2017-06-19 CN CN201710462103.3A patent/CN107202099B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4132131A (en) * | 1977-07-14 | 1979-01-02 | Curtiss-Wright Corporation | Free-floating planetary transmission with contra-rotating dual output shafts |
| DE3731065A1 (en) * | 1987-09-16 | 1989-03-30 | Altona Elbe Zahnradfabrik | Worm gear |
| CN101982674A (en) * | 2010-11-22 | 2011-03-02 | 重庆钢铁(集团)有限责任公司 | Annular speed reducer |
| CN102312985A (en) * | 2011-06-09 | 2012-01-11 | 汪大汪 | Automatic differential for steering-wheel tractor gearboxes |
| CN203009733U (en) * | 2012-12-21 | 2013-06-19 | 江苏泰来减速机有限公司 | Coaxial single-input dual-output speed reducer |
| WO2016061937A1 (en) * | 2014-10-24 | 2016-04-28 | 浙江恒丰泰减速机制造有限公司 | Precision rotational transmission mechanism |
| CN104373542A (en) * | 2014-10-24 | 2015-02-25 | 浙江恒丰泰减速机制造有限公司 | Locating transmission mechanism |
| CN204200968U (en) * | 2014-11-04 | 2015-03-11 | 天津职业技术师范大学 | A kind of T-shaped worm and gear-cycloid combination dual output large speed ratio retarder |
| CN104565261A (en) * | 2014-12-26 | 2015-04-29 | 浙江恒丰泰减速机制造有限公司 | Precision rotational transmission mechanism |
| CN204387245U (en) * | 2014-12-26 | 2015-06-10 | 浙江恒丰泰减速机制造有限公司 | Precision rotating driving mechanism |
| WO2017018080A1 (en) * | 2015-07-30 | 2017-02-02 | 株式会社ミツバ | Motor device |
| CN105782355A (en) * | 2016-04-08 | 2016-07-20 | 陈基甸 | Single-input double-output transmission device |
| CN205503874U (en) * | 2016-04-14 | 2016-08-24 | 浙江恒丰泰减速机制造有限公司 | Precision level drive mechanism |
| CN205534159U (en) * | 2016-04-14 | 2016-08-31 | 浙江恒丰泰减速机制造有限公司 | Accurate biax drive mechanism |
| CN207034093U (en) * | 2017-06-19 | 2018-02-23 | 恒丰泰精密机械股份有限公司 | A kind of coaxial two-direction exports positioning gear |
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| Publication number | Publication date |
|---|---|
| CN107202099A (en) | 2017-09-26 |
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