CN212509379U - Novel transmission system for energy feedback based on planetary gear - Google Patents
Novel transmission system for energy feedback based on planetary gear Download PDFInfo
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- CN212509379U CN212509379U CN202021340069.6U CN202021340069U CN212509379U CN 212509379 U CN212509379 U CN 212509379U CN 202021340069 U CN202021340069 U CN 202021340069U CN 212509379 U CN212509379 U CN 212509379U
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Abstract
The utility model discloses a novel transmission system based on planetary gear is used for energy repayment, include: the outer gear disc is coaxially provided with a shaft body I at the outer side and is provided with a plurality of inner disc teeth; the sun wheel is coaxial with the shaft body I and is arranged on the inner side of the outer fluted disc, and a shaft body II penetrates through the sun wheel; the axial section of each planet wheel is in an I shape like the Chinese character 'gong', each planet wheel comprises a travelling wheel I, a travelling wheel II and a connecting shaft, the travelling wheel I is meshed with the inner disc gear, and the travelling wheel I and the travelling wheel II are both meshed with the sun gear; the gear ring is coaxially arranged with the sun gear, the gear ring is provided with inner ring teeth and outer ring teeth, a planet carrier is arranged in the gear ring, the connecting shaft penetrates through an embedding position on the planet carrier, and the inner ring teeth are meshed with the gear II of the travelling wheel; at least one motor gear, motor gear and outer lane tooth gear meshing, wear to be equipped with axis body III on the motor gear, are equipped with its pivoted motor of drive on the axis body III. The utility model discloses it is high to have the integrated level, and the transmission is stable high-efficient, but two-way driven beneficial effect.
Description
Technical Field
The utility model relates to a speed governing technology field. More specifically, the utility model relates to a novel transmission system based on planetary gear is used for energy repayment.
Background
In order to achieve the purpose of a process of speed-adjustable (variable-speed) operation or energy conservation in modern industry, a traditional speed adjusting system is divided into two modes of adjusting the rotating speed of a prime motor and adjusting the output rotating speed through an intermediate device, wherein the speed adjustment of the prime motor comprises a system driven by a motor and utilizing a frequency converter, a current transformer and the like, and the output rotating speed of the motor is adjusted by adjusting parameters such as frequency, voltage, current and the like; the steam turbine realizes output rotation speed regulation by regulating steam pressure and flow; fossil fuels (internal combustion engines, gas turbines, etc.) achieve output speed regulation by regulating fuel supply and oxygen supply. The device for adjusting the output speed of the system through the intermediate device mainly comprises a hydraulic coupler, a variable ratio gear system, a variable torque belt or chain transmission system and the like. The condition that most of the speed regulation of the prime motor deviates from the work of an efficient operation area exists; the intermediate transmission device capable of realizing speed change is difficult to improve by the constraint efficiency of principle, material characteristics and the like.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model discloses it is still another purpose to provide a novel transmission system based on planetary gear is used for energy repayment, simple to operate, and the integrated level is high, and the transmission is stable high-efficient moreover, but the speed governing of bidirectional drive.
To achieve these objects and other advantages in accordance with the purpose of the invention, a novel transmission system for energy feedback based on planetary gears is provided, comprising:
the outer gear disc is coaxially provided with a shaft body I at the outer side and is provided with a plurality of inner disc teeth;
the sun wheel is coaxial with the shaft body I and is arranged on the inner side of the outer fluted disc, and a shaft body II penetrates through the sun wheel;
the axial section of each planet wheel is in an I shape, each planet wheel comprises a travelling wheel I, a travelling wheel II and a connecting shaft penetrating through the travelling wheels I and II, the travelling wheels I are meshed with the inner disc gear, and the travelling wheels I and II are both meshed with the sun gear;
the gear ring is coaxially arranged with the sun gear, the gear ring is provided with inner ring teeth and outer ring teeth, a planet carrier is arranged in the gear ring, the connecting shaft penetrates through an embedding position on the planet carrier, and the inner ring teeth are meshed with the gear II of the travelling wheel;
the motor gear is meshed with the outer ring gear, a shaft body III penetrates through the motor gear, and a motor for driving the shaft body to rotate is arranged on the shaft body III.
Preferably, the outer toothed disc has a plurality of outer disc teeth;
the oil pump gear is meshed with the outer disc gear, and a shaft body IV is arranged on the oil pump gear in a penetrating mode;
and the lubricating system supplies oil to the oil pump gear and/or the shaft body IV.
Preferably, a plurality of shaft teeth are arranged on the side wall of the shaft body I along the circumferential direction;
the oil pump gear is meshed with the shaft gear, and a shaft body IV is arranged on the oil pump gear in a penetrating mode;
and the lubricating system supplies oil to the oil pump gear and/or the shaft body IV.
Preferably, the lubrication system comprises a plurality of lubrication units, each lubrication unit comprising:
the oil tank is provided with an oil outlet pipe, an oil pump is arranged on the oil outlet pipe, a spray head and an oil pump are arranged on the oil outlet pipe, and the outlet end of the spray head faces towards the oil pump gear and/or the shaft body IV.
Preferably, the method further comprises the following steps:
and the oil outlet pipe of each lubricating unit is provided with a heat exchanger, and the heat exchanger is positioned at the upstream of the oil pump.
Preferably, the lubricating device further comprises a main oil pipe, wherein the main oil pipe is provided with one branch pipe, each branch pipe is communicated with an oil pump on one lubricating unit, the branch pipes are provided with check valves, the main oil pipe is provided with an overflow valve, and the overflow valve is provided with a recovery oil tank.
Preferably, a frequency converter or a current transformer is connected to the motor.
The utility model discloses at least, include following beneficial effect:
firstly, an external fluted disc, a gear ring and a sun gear are connected together through a traveling wheel I, a traveling wheel II and a connecting shaft, so that the installation is convenient, the integration level is high, the transmission is stable and efficient, the power required for adjusting a planetary gear track is relatively small, the complete speed regulation operation of a high-power transmission system is realized through very small electric power, the manufacturing cost is low, and the reliability is high; and the common rail linkage is realized through the planet wheel under the auxiliary action of the motor outside the gear ring.
Secondly, in the gear transmission, because the butt rotation effect between a plurality of teeth between the gear is relied on, cause wearing and tearing easily, can deliver to the oil pump gear through the oil pump gear on with the oil in the oil tank to on the meshing effect transmission to other gears between the gear, realize comprehensive lubrication, reduce wearing and tearing, improve transmission efficiency.
And thirdly, in the energy transmission direction, a plurality of input ends transmit energy to output ends through a transmission system with an energy feedback function based on the planetary gear, the speed regulation function of the output ends can be realized through a plurality of connected motors and one or more matched frequency converters or converters in any topological form, and meanwhile, in the speed regulation process, the energy at the input ends is shunted through the plurality of frequency converters or converters and is fed back to a power grid, so that the energy consumption can be reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is an axial cross-sectional view of the transmission system according to one embodiment of the present invention;
fig. 2 is an axial cross-sectional view of the transmission system according to another embodiment of the present invention;
fig. 3 is a schematic connection diagram of the ring gear and the sun gear according to one embodiment of the present invention;
fig. 4 is a schematic connection diagram of the ring gear and the planet carrier according to one embodiment of the present invention;
fig. 5 is a schematic connection diagram of the external gear disc and the sun gear according to one embodiment of the present invention;
fig. 6 is a schematic diagram of a transmission path with the external gear disc as an input end according to one embodiment of the present invention;
fig. 7 is a schematic diagram of a transmission path in which the sun gear is an input end according to one embodiment of the present invention;
fig. 8 is a schematic diagram of the connection of the components of the lubrication system according to one embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It should be noted that in the description of the present invention, the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in fig. 1-8, the utility model provides a novel transmission system based on planetary gear is used for energy repayment, include:
the outer gear disc 1 is coaxially provided with a shaft body I2 on the outer side, and the outer gear disc 1 is provided with a plurality of inner disc teeth;
the sun wheel 3 is coaxial with the shaft body I2 and is arranged on the inner side of the outer fluted disc 1, and a shaft body II 4 penetrates through the sun wheel 3;
the planetary gears 5 are in an I-shaped axial section, each planetary gear 5 comprises a traveling gear I51, a traveling gear II 52 and a connecting shaft 53 penetrating through the traveling gear I51 and the traveling gear II 52, the traveling gear I51 is meshed with the inner disk gear, and both the traveling gear I51 and the traveling gear II 52 are meshed with the sun gear 3; if the sun wheel 3 rotates, the travelling wheel II 52 and the travelling wheel I51 can be driven to rotate, and the external gear disc 1 is driven to rotate, so that the speed is reduced. Conversely, if the external gear 1 rotates, the driving wheel i 51 and the driving wheel ii 52 can be driven to rotate, and further the sun gear 3 is driven to rotate, so as to accelerate.
The gear ring 6 is coaxially arranged with the sun gear 3, the gear ring 6 is provided with inner ring teeth and outer ring teeth, a planet carrier 7 is arranged in the gear ring 6, the connecting shaft 53 is arranged on an embedding position on the planet carrier 7 in a penetrating mode, and the inner ring teeth are meshed with the gear of the travelling wheel II 52;
at least one motor gear 8, motor gear 8 with outer lane tooth gear engagement, wear to be equipped with axis body III 9 on the motor gear 8, be equipped with its pivoted motor 18 of drive on the axis body III 9. The whole belt-feeding and speed-reducing range can be further enlarged through the assistance of the motor 18 and the transmission of the motor gear 8.
In the technical scheme, the external fluted disc 1, the gear ring 6 and the sun gear 3 are connected together through the traveling wheel I51, the traveling wheel II 52 and the connecting shaft 53, so that the installation is convenient, the integration level is high, the transmission is stable and efficient, the volume is small, the weight is light, the noise is low, the power required for adjusting the planetary gear track is relatively small, the complete speed regulation operation of a high-power transmission system is realized through very small electric power, the manufacturing cost is low, and the reliability is high; and the common rail linkage is realized through the planet wheels 5 under the auxiliary action of the motor 18 outside the gear ring 6. The novel transmission system for energy feedback based on the planetary gear is more remarkable in application of main auxiliary machines in high-energy-consumption basic industries such as power plants, steel enterprises and refining and chemical enterprises.
Taking a large unit electric feed pump of a power generation enterprise as an example:
in order to obtain higher power generation efficiency and power density, the installed capacity of a unit is increased day by day and the power of an auxiliary machine is correspondingly increased, the conventional electric water supply pump set mainly comprises a motor serving as a power machine and a hydraulic coupler for driving a main pump to operate through transmission, and the hydraulic coupler has the problems that the hydraulic coupler adjusts the oil level height in a pump wheel and a turbine chamber through a scoop tube, so that the volume of a coupling medium of the pump wheel and the turbine is adjusted to realize speed adjustment, and the effective speed adjustment range is limited by 30-100% due to the principle; the transmission efficiency is low, the adjustment precision is poor due to the reasons of medium quality, temperature, viscosity and the like, and the adjustment is currently caused by new energy resources, most of the operation loads of the motor set are low and are frequently adjusted, and the energy consumption loss caused by the adjustment is huge. By adopting the speed regulating gear of the technical scheme, the transmission efficiency can reach more than 98.5 percent.
In another technical solution, the external toothed disc 1 has a plurality of external disc teeth;
the oil pump gear 10 is meshed with the outer disk gear, a shaft body IV 11 penetrates through the oil pump gear 10, and a lubricating system supplies oil to the oil pump gear 10 and/or the shaft body IV 11. In the gear transmission, because the abutting rotation action among a plurality of teeth among the gears is relied on, the abrasion is easily caused, lubricating oil is sent to the oil pump gear 10 through a lubricating system and is transmitted to other gears through the meshing action among the gears, the comprehensive lubrication is realized, the abrasion is reduced, and the transmission efficiency is improved. The scheme selects the outer disk teeth and/or the shaft body IV 11 as a starting point and transmits the starting point to one end of the sun wheel 3. A lubrication system for supplying oil to a gear to provide lubrication belongs to the prior art, for example, an oil filling hole and an oil discharging hole are used, for example, a part of the gear is immersed in the lubrication, and details are not described herein.
In another technical scheme, a plurality of shaft teeth are arranged on the side wall of the shaft body I2 along the circumferential direction;
the oil pump gear 10 is meshed with the shaft gear, a shaft body IV 11 and a lubricating system penetrate through the oil pump gear 10, and oil is supplied to the oil pump gear 10 and/or the shaft body IV 11. An alternative lubrication path is provided, the start point being selected at the end of the shaft body i 2 and then being transmitted to the end of the sun gear 3.
In another aspect, the lubrication system includes a plurality of lubrication units, each lubrication unit including:
the oil tank 12 is provided with an oil outlet pipe, the oil outlet pipe is provided with an oil pump 14, the oil outlet pipe is provided with a spray head and the oil pump 14, and the outlet end of the spray head faces towards the oil pump gear 10 and/or the shaft body IV 11. The oil pump gear 10 and/or the shaft body IV 11 are/is supplied with oil in a spraying mode, so that the oil pump gear and/or the shaft body IV can be simultaneously large in area, uniform in distribution and better in lubricating effect.
In another technical solution, the method further comprises: a heat exchanger 13 is arranged on the oil outlet pipe of each lubricating unit, and the heat exchanger 13 is positioned at the upstream of the oil pump 14. Because the heat quantity in the use environment is high, the heat exchanger 13 can be adopted to cool the lubricating oil, then the lubricating oil is supplied to the oil pump gear 10 and/or the shaft body IV 11, and then the lubricating oil is lubricated according to a preset path.
In another technical scheme, the lubricating device further comprises a main oil pipe 20, wherein a branch pipe is arranged on the main oil pipe 20, each branch pipe is communicated with an oil pump 14 on one lubricating unit, a check valve 15 is arranged on each branch pipe, an overflow valve 16 is arranged on the main oil pipe 20, and a recovery oil tank 17 is arranged on each overflow valve 16. The relief valve 16 prevents the oil pressure in a certain lubricating unit from being too high during the transportation, and functions to open the valve and release the oil, and recovers the released oil. The check valve 15 prevents backflow of the used lubricating oil.
In another technical solution, the method further comprises: a temperature sensor for detecting the oil temperature on the main oil pipe 20. The temperature of the lubricating oil is monitored in real time, so that a user can know the temperature in time when the oil temperature is too high, and active intervention measures are taken.
In another technical solution, the method further comprises: a pressure sensor for detecting the oil pressure on the main oil pipe 20. The pressure of the lubricating oil is monitored in real time, so that a user can know the excessive oil pressure in time and take active intervention measures.
In another technical solution, a frequency converter or a current transformer is connected to the motor 18. Converter or converter are topology converter or topology converter, the utility model discloses an energy transfer direction, a plurality of inputs are through the transmission system who has the energy repayment function based on planetary gear with energy transfer to output, the motor 18 (motor 18 voltage can be for 110V-14000V) and supporting one or more any topological form's converter or converter through a plurality of connections can realize the speed governing function to the output, simultaneously at the in-process of speed governing, shunt and repay the energy of input to the electric wire netting through a plurality of converters or converter, can reduce the energy consumption.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (7)
1. Novel transmission system based on planetary gear is used for energy repayment, its characterized in that includes:
the outer gear disc is coaxially provided with a shaft body I at the outer side and is provided with a plurality of inner disc teeth;
the sun wheel is coaxial with the shaft body I and is arranged on the inner side of the outer fluted disc, and a shaft body II penetrates through the sun wheel;
the axial section of each planet wheel is in an I shape, each planet wheel comprises a travelling wheel I, a travelling wheel II and a connecting shaft penetrating through the travelling wheels I and II, the travelling wheels I are meshed with the inner disc gear, and the travelling wheels I and II are both meshed with the sun gear;
the gear ring is coaxially arranged with the sun gear, the gear ring is provided with inner ring teeth and outer ring teeth, a planet carrier is arranged in the gear ring, the connecting shaft penetrates through an embedding position on the planet carrier, and the inner ring teeth are meshed with the gear II of the travelling wheel;
the motor gear is meshed with the outer ring gear, a shaft body III penetrates through the motor gear, and a motor for driving the shaft body to rotate is arranged on the shaft body III.
2. The planetary gear based novel transmission system for energy feedback as in claim 1, wherein the external toothed disc has a plurality of external disc teeth;
the oil pump gear is meshed with the outer disc gear, and a shaft body IV is arranged on the oil pump gear in a penetrating mode;
and the lubricating system supplies oil to the oil pump gear and/or the shaft body IV.
3. The novel transmission system for energy feedback based on the planetary gear as claimed in claim 1, wherein the side wall of the shaft body I is provided with a plurality of shaft teeth along the circumferential direction;
the oil pump gear is meshed with the shaft gear, and a shaft body IV is arranged on the oil pump gear in a penetrating mode;
and the lubricating system supplies oil to the oil pump gear and/or the shaft body IV.
4. A novel planetary gear based transmission system for energy feedback according to claim 2 or 3, characterized in that the lubrication system comprises a plurality of lubrication units, each comprising:
the oil tank is provided with an oil outlet pipe, an oil pump is arranged on the oil outlet pipe, a spray head and an oil pump are arranged on the oil outlet pipe, and the outlet end of the spray head faces towards the oil pump gear and/or the shaft body IV.
5. The novel planetary gear based transmission system for energy return as claimed in claim 4, further comprising:
and the oil outlet pipe of each lubricating unit is provided with a heat exchanger, and the heat exchanger is positioned at the upstream of the oil pump.
6. The novel transmission system for energy feedback based on planetary gears as claimed in claim 4, further comprising a main oil pipe, wherein a branch pipe is provided thereon, each branch pipe is communicated with an oil pump of a lubrication unit, the branch pipe is provided with a check valve, the main oil pipe is provided with an overflow valve, and the overflow valve is provided with a recovery oil tank.
7. The planetary gear based transmission system for energy feedback as in claim 1, wherein the motor is connected with a frequency converter or a current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021340069.6U CN212509379U (en) | 2020-07-09 | 2020-07-09 | Novel transmission system for energy feedback based on planetary gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021340069.6U CN212509379U (en) | 2020-07-09 | 2020-07-09 | Novel transmission system for energy feedback based on planetary gear |
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| Publication Number | Publication Date |
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| CN212509379U true CN212509379U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021340069.6U Active CN212509379U (en) | 2020-07-09 | 2020-07-09 | Novel transmission system for energy feedback based on planetary gear |
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| CN (1) | CN212509379U (en) |
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- 2020-07-09 CN CN202021340069.6U patent/CN212509379U/en active Active
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