CN212564251U - Planetary gear reduction mechanism and steering engine - Google Patents
Planetary gear reduction mechanism and steering engine Download PDFInfo
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- CN212564251U CN212564251U CN202021294505.0U CN202021294505U CN212564251U CN 212564251 U CN212564251 U CN 212564251U CN 202021294505 U CN202021294505 U CN 202021294505U CN 212564251 U CN212564251 U CN 212564251U
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Abstract
The utility model provides a planetary gear reduction gears and steering wheel, planetary gear reduction gears, include: the output end of the speed reducing mechanism is used for outputting the power of the planetary gear speed reducing mechanism; the input end of the speed reducing mechanism is used for driving the planetary gear speed reducing mechanism to act; the planetary gear set is in transmission connection with the input end of the speed reducing mechanism and the output end of the speed reducing mechanism respectively, and the output end of the speed reducing mechanism is in transmission connection with one of a planet carrier and an outer gear ring of the planetary gear set; the wiring sleeve penetrates through the planetary gear set, the wiring sleeve is fixedly connected with the output end of the speed reducing mechanism, and a channel for a cable to pass through is formed in the inner cavity of the wiring sleeve. The problem that the structure of equipment is not compact and follow-up maintenance work is inconvenient to carry out due to the fact that electric wires of electric elements of a planetary gear speed reducing mechanism and a steering engine in the prior art scatter in a shell is solved.
Description
Technical Field
The utility model relates to a drive mechanism technical field, concretely relates to planetary gear reduction gears and steering wheel.
Background
The steering engine is an angle servo driver and is suitable for control systems which need to change and keep the angle constantly. The steering engine mainly comprises a shell, a circuit board, a coreless motor, a gear and a position detector. The working principle is that the receiver sends a signal to the steering engine, the integrated circuit on the circuit board judges the rotation direction, then the coreless motor is driven to start rotating, and power is transmitted to the swing arm through the reduction gear, so that large-torque output is realized.
Among the prior art, adopt the electric wire electricity to be connected between the electric element of steering wheel and control circuit and the power usually, these electric wires scatter in the inner chamber between the internal wall face of toy casing and the outer wall face of motor or steering wheel usually, lead to the interior electric wire of casing to arrange irregularly, occupy the space in the casing on the one hand, lead to the structure in the casing not compact enough, on the other hand is follow-up when maintaining electric element and motor or steering wheel in the casing, the electric wire that scatters, maintenance work's expansion is not convenient for, winding phenomenon can appear in the electric wire even a bit, more be unfavorable for the maintenance work of follow-up product.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming planetary gear reduction gears and steering wheel among the prior art and its electrical component's electric wire scatters in the casing, leads to the not compact and not convenient for follow-up maintenance work's of structure of equipment going on problem to a planetary gear reduction gears is provided, include:
the output end of the speed reducing mechanism drives the rotating shaft and is used for outputting the power of the planetary gear speed reducing mechanism;
the input end of the speed reducing mechanism drives the rotating shaft and is used for driving the planetary gear speed reducing mechanism to act;
the planetary gear set driving rotating shafts are in transmission connection with the input end driving rotating shaft of the speed reducing mechanism and the output end driving rotating shaft of the speed reducing mechanism respectively, and the output end driving rotating shaft of the speed reducing mechanism is in transmission connection with one of the planet carrier driving rotating shaft and the outer gear ring driving rotating shaft of the planetary gear set driving rotating shaft;
the wiring sleeve driving rotating shaft penetrates through the planetary gear set driving rotating shaft, the wiring sleeve driving rotating shaft is fixedly connected with the speed reducing mechanism output end driving rotating shaft, and a first wiring channel for a cable to penetrate through is arranged in the inner cavity of the planetary gear set driving rotating shaft.
The planetary gear set driving rotating shafts are at least two groups, every two adjacent groups of the planetary gear set driving rotating shafts are respectively provided with an independent outer gear ring driving rotating shaft, and meshing teeth of the outer gear ring driving rotating shafts of the planetary gear set driving rotating shafts of every two adjacent stages are arranged in a staggered mode.
And the driving rotating shafts of the outer gear rings of the driving rotating shafts of the adjacent planetary gear sets are staggered between 1/6-1/2 teeth.
Two adjacent groups of planetary gear set drive pivot can dismantle and link to each other.
Planetary gear set drive pivot is including the sun gear drive pivot, planetary gear drive pivot and the outer ring gear drive pivot that mesh in proper order connects, just planetary gear drive pivot links to each other through planet carrier drive pivot and another planetary gear set drive pivot transmission, and is adjacent its planet carrier drive pivot of planetary gear set drive pivot links to each other through transfer line drive pivot.
Adjacent two sets of outer ring gear drive pivot is through connection structure dismantlement connection, connection structure includes: the cover is established the epaxial first bearing drive pivot of transfer line drive pivot with locate the outer planetary gear connection shell drive pivot of first bearing drive pivot, planetary gear connection shell drive pivot with outer ring gear drive pivot can be dismantled continuously.
The ratio of the angular speeds of the input end and the output end of any planetary gear set driving rotating shaft is an integer.
A steering engine, comprising:
planetary gear reduction mechanism, and
and the motor driving rotating shaft is in transmission connection with the input end driving rotating shaft of the speed reducing mechanism.
The motor drive shaft includes:
the device comprises a shell, a driving shaft and a driving shaft, wherein a supporting frame is arranged in the shell, and a driving rotating shaft is arranged on the supporting frame;
the stator driving rotating shaft is arranged on the driving rotating shaft through a double-row angular contact bearing;
and the rotor is sleeved outside the stator driving rotating shaft.
The driving rotating shaft of the motor driving rotating shaft is provided with at least one wiring channel which is communicated along the axial direction of the driving rotating shaft, one end of the second wiring channel is communicated with the first wiring channel, and the other end of the second wiring channel axially extends out of the shell of the motor driving rotating shaft along the driving rotating shaft; the wiring sleeve driving rotating shaft sequentially penetrates through the first wiring channel and the second wiring channel.
The number of the planetary gear set driving rotating shafts is at least two, and all the planetary gear set driving rotating shafts are arranged in a laminated mode along the axial direction of the driving rotating shaft;
in two adjacent planetary gear set driving rotating shafts, the output end of the driven output part of the previous planetary gear mechanism close to the driving rotating shaft is fixed on the driving part of the next planetary gear mechanism far away from the driving rotating shaft;
the driving part of the planetary gear mechanism positioned at the starting end is fixed on the driving rotating shaft of the driving rotating shaft, and the driven output part of the driving rotating shaft of the planetary gear set positioned at the tail end is used as a total output end; the wiring sleeve driving rotating shaft sequentially penetrates through the motor driving rotating shaft and the planetary gear set driving rotating shafts, and is fixedly connected with the output end driving rotating shaft of the speed reducing mechanism.
An angular speed sensor is arranged on a motor output shaft of the motor driving rotating shaft, and an accommodating cavity driving rotating shaft for accommodating a motor encoder is arranged at one end of the motor driving rotating shaft, which is far away from the planetary gear speed reducing mechanism; the wiring sleeve driving rotating shaft is communicated with the accommodating cavity driving rotating shaft.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a planetary gear reduction gears, include: run through walk line sleeve pipe drive pivot that planetary gear set drive pivot set up, just walk line sleeve pipe drive pivot with reduction gears output drive pivot is fixed continuous, planetary gear set drive pivot inner chamber is provided with the first line passageway of walking that supplies the cable to pass. Thereby walk electric wire of line sleeve pipe drive pivot messenger steering wheel through the aforesaid, just can wear to establish regularly walking in walking line sleeve pipe drive pivot, can not scatter in installation space to reduce the shared space of electric wire, can be with littleer and the compactness of the total casing size of product, the electric wire is walked the line regularly simultaneously, is convenient for follow-up going on that maintains work to power device, electric elements. The output end of the speed reducing mechanism drives the rotating shaft to be in transmission connection with one of the planet carrier driving rotating shaft and the outer gear ring driving rotating shaft of the planetary gear set driving rotating shaft; the outer gear ring drives the rotating shaft to directly serve as the driving part of the output end driving rotating shaft of the speed reducing mechanism, and the speed reducing ratio can be effectively improved compared with the driving part which adopts the planet carrier driving rotating shaft as the output end driving rotating shaft of the speed reducing mechanism.
2. The utility model provides a planetary gear reduction gears has independent outer ring gear between the adjacent two-stage planetary gear set respectively to two adjacent outer ring gear are mutual dislocation set, when turning to transmission power, because planetary gear set's at different levels planet wheel is inequality with the engaged state of outer ring gear, consequently can reduce resonance, wholly protect the gear.
3. The utility model provides a planetary gear reduction mechanism, the outer ring gear of adjacent two-stage planetary gear set dislocation control each other is between 1/6 ~ 1/2 teeth to preferably 1/3 teeth, resonance can be reduced best this moment; between two adjacent stages of planetary gear sets, the planet carrier of the first-stage planetary gear set close to the input shaft is connected with the sun gear of the first-stage planetary gear set close to the output shaft of the steering engine, the sun gear of the second stage rotates through the output torque of the planet carrier of the first stage, and the transmission ratio can be improved through the accumulated superposition of multiple groups of planetary gear sets.
4. The utility model provides a planetary gear reduction gears, multistage planetary gear set drive pivot sets gradually along planetary gear reduction gears's axial, and adjacent two-stage planetary gear set drive pivot can dismantle the connection. Therefore, a user can replace the planetary gear set driving rotating shafts with different numbers of planetary gear set driving rotating shafts as required, and when any planetary gear set driving rotating shaft needs to be maintained and replaced, the planetary gear set driving rotating shaft is only required to be integrally detached. The modular disassembly and assembly of the planetary gear speed reducer are realized.
5. The utility model provides a planetary gear reduction gears, it is adjacent two sets of connection structure dismantles through outer ring gear drive pivot and connects, connection structure includes: the cover is established the epaxial first bearing drive pivot of transfer line drive pivot with locate the outer planetary gear connection shell drive pivot of first bearing drive pivot, planetary gear connection shell drive pivot with outer ring gear drive pivot can be dismantled continuously. Through the planetary gear connecting shell drive rotating shaft, two adjacent groups of planetary gear set drive rotating shafts are detachably connected, the planetary gear set drive rotating shafts on all layers can be stably and reliably detachably fixed together, and meanwhile, the interference between the adjacent planetary gear set drive rotating shafts can be reduced.
6. The utility model provides a planetary gear reduction mechanism, arbitrary planetary gear set drive pivot its input and the angular velocity ratio of output be the integer, measure the rotational speed of motor drive pivot its output shaft through the sensor, can accurate measurement planetary gear reduction mechanism its output torque and rotation angle isoparametric; compare in prior art, its drive ratio of planetary gear set drive pivot is numerical values such as 3.15 or 7.33, can reduce effectively and calculate the degree of difficulty, in order to improve the utility model provides an it measures accurate degree of planetary gear reduction gears.
7. The steering engine provided by the utility model has the advantages of any one of the above because of having the multistage speed reduction tooth of any one of the above schemes. Furthermore, the angular velocity sensor is arranged at one end of the motor output shaft of the motor driving rotating shaft and used for detecting the rotating angular velocity of the motor output shaft, and then the output angular velocity of the output shaft of the gear reduction device can be accurately calculated according to the transmission ratio of integral multiple of the gear reduction device. In addition, an accommodating cavity driving rotating shaft for accommodating a motor encoder is arranged at one end of the motor driving rotating shaft, which is far away from the planetary gear speed reducing mechanism. The space layout of the motor driving rotating shaft can be effectively optimized through the accommodating cavity driving rotating shaft, so that the size of a steering engine formed by the motor driving rotating shaft and the planetary gear speed reducing mechanism driving rotating shaft is optimized.
8. The utility model provides a steering wheel, stator drive pivot locate the drive pivot through biserial angular contact bearing drive pivot on, biserial angular contact bearing compares in current bearing cost lower, has consequently reduced the cost of whole motor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of a steering engine with a double-layer planetary gear reduction mechanism in embodiment 1 of the present invention;
FIG. 2 is an exploded perspective view of the steering engine of FIG. 1 at another angle;
fig. 3 is a schematic perspective view of a planetary gear set having three planetary gears according to embodiment 2 of the present invention;
fig. 4 is a schematic perspective view of a three-layer planetary gear reduction mechanism according to embodiment 2 of the present invention;
fig. 5 is a schematic view of a three-dimensional structure of a planet carrier of the planetary gear speed reducing mechanism provided by the present invention;
fig. 6 is a schematic view of a connection position between the planetary gear reduction mechanism and the motor provided by the present invention;
fig. 7 is a schematic diagram of the arrangement position of the double-row angular contact bearing of the motor provided by the present invention;
fig. 8 is a schematic view of an installation position of the routing sleeve according to the present invention;
fig. 9 is a schematic diagram of the positions of the first routing channel and the second routing channel on the steering engine.
Description of reference numerals:
1. an output end of the speed reducing mechanism; 2. an input end of the speed reducing mechanism; 3. a planetary gear set; 4. a planet carrier; 5. an outer ring gear; 6. routing a bushing; 7. a sun gear; 8. a planetary gear; 9. a transmission rod; 10. a first bearing; 11. the planetary gear is connected with the shell; 12. a motor; 13. an accommodating cavity; 14. a planetary gear reduction mechanism; 15. Driving the rotating shaft; 16. a stator; 17. a double row angular contact bearing; 18. a first routing channel; 19. and a second routing channel.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
This embodiment provides a steering wheel, as shown in fig. 8 and 9, it includes: the device comprises a planetary gear speed reducing mechanism and a motor 12, wherein the motor 12 is in transmission connection with an input end 2 of the speed reducing mechanism.
A planetary gear reduction mechanism comprising:
the output end 1 of the speed reducing mechanism is used for outputting the power of the planetary gear speed reducing mechanism;
the input end 2 of the speed reducing mechanism is used for driving the planetary gear speed reducing mechanism to act;
the planetary gear sets 3 are three groups, and two adjacent groups of the planetary gear sets 3 are detachably connected. The planetary gear set 3 is respectively in transmission connection with the input end 2 of the speed reducing mechanism and the output end 1 of the speed reducing mechanism, and the output end 1 of the speed reducing mechanism is in transmission connection with a planet carrier 4 of the planetary gear set 3; two adjacent planetary gear sets 3 are respectively provided with an independent outer gear ring 5, and the meshing teeth of the outer gear rings 5 of the two adjacent planetary gear sets 3 are arranged in a staggered manner; the outer ring gears 5 of the adjacent planetary gear sets 3 are staggered 1/3 teeth;
and the wiring sleeve 6 penetrates through the planetary gear set 3 and is used for accommodating a cable of the steering engine. And the wiring sleeve 6 is fixedly connected with the output end 1 of the speed reducing mechanism, and a first wiring channel 18 for the wiring sleeve 6 to pass through is arranged in the inner cavity of the planetary gear set 3. The first routing channel 18 is a cavity formed by openings in the middle of the output end 1 of the reduction mechanism, the planetary gear set 3 and the planetary gear connecting shell 11. Thereby walk electric wire of line sleeve 6 messenger steering wheel's electric element through the aforesaid, just can wear to establish regularly to walk in walking line sleeve 6, can not scatter in installation space to reduce the shared space of electric wire, can be with littleer and the compactness of the total casing size of product, the electric wire is walked regularly simultaneously, is convenient for follow-up going on of maintenance work to power device, electric element. And the output end 1 of the speed reducing mechanism is in transmission connection with one of the planet carrier 4 and the outer ring gear 5 of the planetary gear set 3.
In the present embodiment, as shown in fig. 3 and 4, the planetary gear set 3 includes a sun gear 7, a planetary gear 8 and an external ring gear 5 which are connected in a meshed manner in sequence, and the planetary gear 8 is in transmission connection with another planetary gear set 3 through a planet carrier 4, and the adjacent planetary gear set 3 is connected with the planet carrier 4 through a transmission rod 9 arranged thereon. Moreover, as shown in fig. 5, two adjacent sets of the outer gear rings 5 are detachably connected through a connecting structure, where the connecting structure includes: the transmission rod 9 is sleeved with a first bearing 10, and the planetary gear connecting shell 11 is sleeved on the outer cavity wall of the first bearing 10, and the planetary gear connecting shell 11 is detachably connected with the outer gear ring 5. The planetary gear connecting housing 11 fixes the adjacent two planetary gear sets 3 or the adjacent planetary gear sets 3 and the motor 12 together through a connecting member. The planetary gear connecting shell 11 and the outer gear ring 5 enclose a shell of the planetary gear speed reducing mechanism.
As shown in fig. 7 and 8, the motor 12 includes:
the device comprises a shell, a driving shaft 15 and a driving mechanism, wherein a support frame is arranged in the shell, and the support frame is provided with the driving shaft;
a stator 16 provided on the drive shaft 15 via a double-row angular contact bearing 17; at least one second routing channel which is axially penetrated through is arranged on the driving rotating shaft 15 of the motor 12, one end of the second routing channel is communicated with the first routing channel, and the other end of the second routing channel axially extends out of the shell of the motor 12 along the driving rotating shaft 15; the wiring sleeve 6 sequentially penetrates through the first wiring channel and the second wiring channel; the number of the planetary gear sets 3 is 3, and all the planetary gear sets 3 are arranged in a stacked mode along the axial direction of the driving rotating shaft 15; in two adjacent planetary gear sets 3, the output end of the driven output part of the previous planetary gear mechanism close to the driving rotating shaft 15 is fixed on the driving part of the next planetary gear mechanism far away from the driving rotating shaft 15; the driving part of the planetary gear mechanism at the starting end is fixed on the driving rotating shaft 15, and the driven output part of the planetary gear set 3 at the tail end is used as a total output end; the wiring sleeve 6 sequentially penetrates through the motor 12 and the planetary gear sets 3 and is fixedly connected with the output end 1 of the speed reducing mechanism;
and the rotor is sleeved outside the stator 16.
In the present embodiment, the ratio of the angular speeds of the input and output of any of the planetary gear sets 3 is an integer. An angular speed sensor is arranged on a motor output shaft of the motor 12, and an accommodating cavity 13 for accommodating a motor encoder is arranged at one end of the motor 12, which is far away from the planetary gear speed reducing mechanism; the routing sleeve 6 is communicated with the accommodating cavity 13. The sensor is used for measuring the rotating speed of the output shaft of the motor 12, so that the parameters such as the torque and the rotating angle output by the planetary gear speed reducing mechanism can be accurately measured; compare in prior art, its drive ratio of planetary gear set 3 is numerical values such as 3.15 or 7.33, can reduce effectively and calculate the degree of difficulty, in order to improve the utility model provides an it measures accurate degree of planetary gear reduction mechanism.
Of course, the present invention is not limited to the number and form of the planetary gear sets 3, and in other embodiments, the planetary gear sets 3 are not limited to three sets, but may be one set or any number of sets. And, the utility model discloses the application does not do specific limit to its planetary gear 8's of planetary gear set 3 quantity, and planetary gear 8 can be other quantity wantonly.
Certainly, the application of the present invention does not specifically limit the form of the routing sleeve 6, and in other embodiments, the routing sleeve 6 may also be a pipe with other shapes, such as a square pipe, or a pipe with a grid; the concrete shape is not limited, and only the wiring sleeve 6 is fixed on the wiring channel, and the hollow inner hole power supply line of the wiring sleeve 6 passes through the hollow inner hole power supply line.
Of course, the present invention is not limited to any specific angular velocity ratio of the input end and the output end of the planetary gear set 3, and in other embodiments, any angular velocity ratio of the input end and the output end of the planetary gear set 3 may be other integer multiples.
Of course, the utility model discloses its reduction ratio of planetary gear reduction mechanism is not specifically restricted in the application, and in other embodiments, planetary gear reduction mechanism's integer reduction ratio can be: 4. 5, 6 and 8.
Example 2
The difference between the embodiment and the embodiment 1 is that the embodiment provides a steering engine, a planetary gear speed reducing mechanism and a motor 12, and the motor 12 is in transmission connection with an input end 2 of the speed reducing mechanism.
A planetary gear reduction mechanism comprising:
the output end 1 of the speed reducing mechanism is used for outputting the power of the planetary gear speed reducing mechanism;
the input end 2 of the speed reducing mechanism is used for driving the planetary gear speed reducing mechanism to act;
the planetary gear sets 3 are in a group, the planetary gear sets 3 are respectively in transmission connection with the input end 2 of the speed reducing mechanism and the output end 1 of the speed reducing mechanism, and the output end 1 of the speed reducing mechanism is in transmission connection with one of the planet carrier 4 and the outer gear ring 5 of the planetary gear set 3;
the wiring sleeve 6 penetrates through the planetary gear set 3, the wiring sleeve 6 is fixedly connected with the output end 1 of the speed reducing mechanism, and a first wiring channel for a cable to pass through is arranged in the inner cavity of the planetary gear set 3.
Example 3
The difference between the embodiment and the embodiment 1 is that the embodiment provides a steering engine, a planetary gear speed reducing mechanism and a motor 12, and the motor 12 is in transmission connection with an input end 2 of the speed reducing mechanism.
As shown in fig. 1 and 2, the planetary gear reduction mechanism includes:
the output end 1 of the speed reducing mechanism is used for outputting the power of the planetary gear speed reducing mechanism;
the input end 2 of the speed reducing mechanism is used for driving the planetary gear speed reducing mechanism to act;
the number of the planetary gear sets 3 is two, and the adjacent two planetary gear sets 3 are detachably connected. The planetary gear set 3 is respectively in transmission connection with the input end 2 of the speed reducing mechanism and the output end 1 of the speed reducing mechanism, and the output end 1 of the speed reducing mechanism is in transmission connection with a planet carrier 4 of the planetary gear set 3; two adjacent planetary gear sets 3 are respectively provided with an independent outer gear ring 5, and the meshing teeth of the outer gear rings 5 of the two adjacent planetary gear sets 3 are arranged in a staggered manner; the outer ring gears 5 of the adjacent planetary gear sets 3 are staggered 2/5 teeth;
it should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A planetary gear reduction mechanism characterized by comprising:
the output end (1) of the speed reducing mechanism is used for outputting the power of the planetary gear speed reducing mechanism;
the input end (2) of the speed reducing mechanism is used for driving the planetary gear speed reducing mechanism to act;
the cable-passing device comprises at least one planetary gear set (3), wherein a first wiring channel (18) for a cable to pass through is arranged in the inner cavity of the planetary gear set (3), the planetary gear set (3) is in transmission connection with the input end (2) of the speed reducing mechanism and the output end (1) of the speed reducing mechanism respectively, and the output end (1) of the speed reducing mechanism is in transmission connection with one of a planet carrier (4) and an outer gear ring (5) of the planetary gear set (3);
the wiring sleeve (6) penetrates through the first wiring channel (18), and the wiring sleeve (6) is fixedly connected with the output end (1) of the speed reducing mechanism.
2. The planetary gear reduction mechanism according to claim 1,
the planetary gear sets (3) are at least two sets, two adjacent sets of the planetary gear sets (3) are respectively provided with an independent outer gear ring (5), and the meshing teeth of the outer gear rings (5) of the two adjacent stages of the planetary gear sets (3) are arranged in a staggered mode.
3. A planetary gear reduction mechanism according to claim 2, wherein the outer ring gears (5) of adjacent planetary gear sets (3) are offset from each other between 1/6-1/2 teeth.
4. A planetary gear reduction mechanism according to claim 2, wherein two adjacent sets of the planetary gear sets (3) are detachably connected;
planetary gear set (3) are including sun gear (7), planetary gear (8) and outer ring gear (5) that mesh connection in proper order, just planetary gear (8) link to each other through planet carrier (4) and another planetary gear set (3) transmission, and are adjacent planetary gear set (3) link to each other through transfer line (9) on planet carrier (4).
5. A planetary gear reduction mechanism according to claim 4, wherein adjacent two sets of the outer ring gears (5) are detachably connected by a connecting structure comprising: the first bearing (10) on the transmission rod (9) is sleeved with the planetary gear connecting shell (11) arranged outside the first bearing (10), and the planetary gear connecting shell (11) is detachably connected with the outer gear ring (5).
6. A planetary gear reduction mechanism according to any of claims 1 to 5, characterized in that the ratio of the angular speeds of the input and output of any of the planetary gear sets (3) is an integer.
7. A steering engine, comprising:
the planetary gear reduction mechanism of any one of claims 1 to 6, and
the motor (12), the motor (12) links to each other with reduction gears input (2) transmission.
8. The steering engine of claim 7,
the motor (12) includes:
the device comprises a shell, a support frame and a driving rotating shaft (15), wherein the support frame is arranged in the shell and is provided with the driving rotating shaft;
a stator (16) provided on the drive shaft (15) via a double-row angular contact bearing (17);
the rotor is sleeved on the outer side of the stator (16) and is in transmission connection with the planetary gear speed reducing mechanism;
at least one second wiring channel (19) which penetrates through the driving rotating shaft (15) along the axial direction of the driving rotating shaft is arranged on the driving rotating shaft, one end of the second wiring channel (19) is communicated with the first wiring channel (18), and the other end of the second wiring channel (19) axially extends out of the shell of the motor (12) along the driving rotating shaft (15); the wiring sleeve (6) penetrates through the first wiring channel (18) and the second wiring channel (19) in sequence.
9. The steering engine according to claim 8, wherein the number of the planetary gear sets (3) is at least two, and all the planetary gear sets (3) are arranged in a stacked manner along the axial direction of the driving rotating shaft (15);
in two adjacent planetary gear sets (3), the output end of the driven output part of the previous planetary gear mechanism close to the driving rotating shaft (15) is fixed on the driving part of the next planetary gear mechanism far away from the driving rotating shaft (15);
the driving part of the planetary gear mechanism positioned at the starting end is fixed on the driving rotating shaft (15), and the driven output part of the planetary gear set (3) positioned at the tail end is used as a total output end; the wiring sleeve (6) sequentially penetrates through the motor (12) and the planetary gear sets (3) and is fixedly connected with the output end (1) of the speed reducing mechanism.
10. The steering engine of claim 7,
an angular speed sensor is arranged on a motor output shaft of the motor (12), and an accommodating cavity (13) for accommodating a motor encoder is arranged at one end of the motor (12) far away from the planetary gear speed reducing mechanism; the wiring sleeve (6) is communicated with the accommodating cavity (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021294505.0U CN212564251U (en) | 2020-07-03 | 2020-07-03 | Planetary gear reduction mechanism and steering engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021294505.0U CN212564251U (en) | 2020-07-03 | 2020-07-03 | Planetary gear reduction mechanism and steering engine |
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| CN212564251U true CN212564251U (en) | 2021-02-19 |
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| CN202021294505.0U Active CN212564251U (en) | 2020-07-03 | 2020-07-03 | Planetary gear reduction mechanism and steering engine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915324A (en) * | 2021-11-01 | 2022-01-11 | 阿尔帕动力科技江苏有限公司 | Heat radiation structure of planetary gear reducer |
| CN114135650A (en) * | 2021-12-09 | 2022-03-04 | 广州市岳中数字科技有限公司 | Speed reducer capable of passing wire |
-
2020
- 2020-07-03 CN CN202021294505.0U patent/CN212564251U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915324A (en) * | 2021-11-01 | 2022-01-11 | 阿尔帕动力科技江苏有限公司 | Heat radiation structure of planetary gear reducer |
| CN113915324B (en) * | 2021-11-01 | 2023-08-29 | 阿尔帕动力科技江苏有限公司 | Radiating structure of planetary gear reducer |
| CN114135650A (en) * | 2021-12-09 | 2022-03-04 | 广州市岳中数字科技有限公司 | Speed reducer capable of passing wire |
| CN114135650B (en) * | 2021-12-09 | 2023-10-03 | 广州市岳中数字科技有限公司 | Speed reducer capable of passing wire |
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