CN108980284B - Circumferential synchronization cooperative driving part for flat double distribution boxes - Google Patents
Circumferential synchronization cooperative driving part for flat double distribution boxes Download PDFInfo
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- CN108980284B CN108980284B CN201811156759.3A CN201811156759A CN108980284B CN 108980284 B CN108980284 B CN 108980284B CN 201811156759 A CN201811156759 A CN 201811156759A CN 108980284 B CN108980284 B CN 108980284B
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 31
- 230000007704 transition Effects 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000002195 synergetic effect Effects 0.000 claims description 3
- 239000000306 component Substances 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a circumferential synchronous tandem driving component for a flat double distribution box, which comprises two parallel and opposite output gear shafts and a first input gear shaft or a second input gear shaft, wherein each output gear shaft is provided with an auxiliary driving gear shaft group, each auxiliary driving gear shaft group is externally provided with an inner gear ring and an outer gear ring, two output gear shafts are simultaneously arranged in the inner gear rings and the outer gear rings in a penetrating way, and each output gear shaft is correspondingly positioned at the center of one inner gear ring and one outer gear ring; when the driving part comprises a first input gear shaft, the two inner and outer gear rings are correspondingly meshed with the first input gear shaft; when the driving part comprises a second input gear shaft, one inner and outer gear rings are directly meshed with the second input gear shaft, and the other inner and outer gear rings are meshed with the second input gear shaft through a transition gear shaft. The invention has the advantages that: the stress of the output gear shaft is reduced and balanced, the distribution box has a compact structure, and the service lives of the output gear shaft and the distribution box are guaranteed.
Description
Technical Field
The invention relates to the field of driving of parallel double-screw distribution boxes, in particular to a circumferential synchronous cooperative driving component for a parallel double-screw distribution box.
Background
In parallel twin-screw plastic machines, the distributor box is a core component thereof, and the design parameters thereof are mainly as follows: center distance of the two flat screws and single-shaft torque requirement. Aiming at the compact arrangement of the output shafts required by the type, the working requirements of large torque output are realized. At present, the main driving modes in China and internationally are divided into two types: 1. the three-shaft type auxiliary shaft is added to the distribution box so as to meet the high torque requirement; 2. the four-axis type distribution box is provided with two output shafts symmetrically at two sides so as to meet the high torque requirement. The disadvantages of these two driving modes are: the bearing of the output shaft is easily stressed excessively and unbalanced, and the service life of the bearing is influenced, so that the service life of the distribution box is influenced; the latter, although improving the bearing stress of the output shaft, still leaves the distribution box too long in axial direction, which results in a bulky overall gearbox construction.
Disclosure of Invention
The invention aims to provide a circumferential synchronous cooperative driving component for a flat double distribution box, which has uniformly dispersed bearing supporting force of an output shaft and compact structure and is used for solving the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the circumference synchronous cooperative driving component for the flat double distribution box comprises a first output gear shaft and a second output gear shaft which are parallel and opposite, wherein a first auxiliary driving gear shaft group is assembled on the outer circumference of the first output gear shaft, a second auxiliary driving gear shaft group is assembled on the outer circumference of the second output gear shaft, a first inner gear ring and an outer gear ring are assembled on the outer circumference of the first auxiliary driving gear shaft group, a second inner gear ring and an outer gear ring are assembled on the outer circumference of the second auxiliary driving gear shaft group, the first output gear shaft and the second output gear shaft are respectively arranged in the inner gear rings of the first inner gear ring and the outer gear ring in a penetrating mode at the same time, the first output gear shaft is positioned at the center position of the inner gear ring of the first inner gear ring and the outer gear ring, and the second output gear shaft is positioned at the center position of the inner gear ring of the second inner gear ring and the outer gear ring;
the device also comprises a first input gear shaft or a second input gear shaft;
when the circumferential synchronous tandem driving component comprises a first input gear shaft, the outer gear rings of the first inner gear ring and the second inner gear ring are respectively correspondingly meshed with two first outer gears arranged on the first input gear shaft;
when the circumferential synchronous tandem driving component comprises a second input gear shaft, the outer gear ring of the second inner and outer gear rings is correspondingly meshed with a second outer gear arranged on the second input gear shaft, and the outer gear ring of the first inner and outer gear rings is correspondingly meshed with a second outer gear arranged on the second input gear shaft through a transition gear shaft.
Further, two transition gears are correspondingly arranged on the transition gear shaft; one transition gear is correspondingly meshed with the outer gear ring of the first inner gear ring and the outer gear ring; the other transition gear is correspondingly meshed with a second external gear arranged on the second input gear shaft.
Further, the first auxiliary driving gear shaft group comprises a plurality of first auxiliary driving gear shafts which are uniformly distributed along the outer circumference of the first output gear shaft, and each auxiliary external gear arranged on the first auxiliary driving gear shaft is meshed with the corresponding first output external gear arranged on the first output gear shaft and the inner gear ring of the first internal and external gear ring.
Further, the second auxiliary driving gear shaft group comprises a plurality of second auxiliary driving gear shafts which are uniformly distributed along the outer circumference of the second output gear shaft, and each auxiliary external gear arranged on the second auxiliary driving gear shaft is meshed with the corresponding second external output gear arranged on the second output gear shaft and the inner gear ring of the second internal and external gear ring.
The circumference synchronous synergetic driving component for the flat double distribution boxes provided by the invention can be used for realizing synchronous and same-direction rotation of two output shafts of the distribution boxes and synchronous and opposite-direction rotation of the two output shafts of the distribution boxes;
when the two output gear shafts of the distribution box are synchronously rotated in the same direction, the working principle is as follows:
firstly, two output gear shafts, a first input gear shaft, two inner and outer gear rings and two auxiliary drive gear shaft groups which are meshed and connected with the two inner and outer gear rings in the circumferential synchronous cooperative driving part in the embodiment are assembled in the box body of a corresponding distribution box, and the two inner and outer gear rings are supported in the box body of the distribution box through rolling bearings and the two output gear shafts are supported in the box body of the distribution box through needle bearings;
after the corresponding driving part provided by the embodiment is assembled, the first input gear shaft is driven to rotate by means of external force, the two inner and outer gear rings which are in meshed connection with the first input gear shaft are driven to synchronously rotate in the same direction, then the two auxiliary driving gear shaft groups which are directly meshed with the first input gear shaft are driven to synchronously rotate in the same direction by the two inner and outer gear rings, and along with the synchronous rotation of the two auxiliary driving gear shaft groups, the two output gear shafts which are correspondingly meshed with the two auxiliary driving gear shaft groups synchronously rotate in the same direction, so that the synchronous rotation of the two output gear shafts of the distribution box is realized.
And (II) when the synchronous counter rotation of the two output gear shafts of the distribution box is realized, the working principle is as follows:
firstly, two output gear shafts, a second input gear shaft, a transition gear shaft, two inner and outer gear rings in the circumferential synchronous cooperative driving component of the embodiment are assembled in a box body of a corresponding distribution box, and the two inner and outer gear rings are respectively supported in the box body of the distribution box through rolling bearings and the two output gear shafts are respectively supported in the box body of the distribution box through needle bearings;
after the driving part provided by the embodiment is assembled, the second input gear shaft is driven to rotate by means of external force, the second inner and outer gear rings and the transition gear shafts which are in meshed connection with the second input gear shaft are driven to rotate in the same direction, then the second auxiliary driving gear shaft group which is meshed with the second input gear shaft is driven to rotate in the same direction by the second inner and outer gear rings, the first inner and outer gear rings which are meshed with the transition gear shafts are driven to rotate in the opposite direction to the second inner and outer gear rings, further the first auxiliary driving gear shaft group which is meshed with the first inner and outer gear rings is driven to rotate in the opposite direction to the second auxiliary driving gear shaft group, and the corresponding two auxiliary driving gear shaft groups which are meshed with the second inner and outer gear rings are driven to rotate in the opposite direction.
Compared with the prior art, the invention has the advantages and beneficial effects that:
(1) Each output shaft is driven to rotate by a plurality of auxiliary driving shafts uniformly distributed along the outer circumference of the output shaft, and simultaneously, the plurality of auxiliary driving shafts are driven to rotate by the same annular gear, so that each auxiliary driving shaft has the same driving speed;
(2) Because the plurality of auxiliary driving shafts are uniformly distributed around the output gear shaft like the planetary gears and uniformly and synchronously drive the output shaft to rotate in a synergetic manner, the output gear shaft is uniformly driven at multiple points, and the eccentric phenomenon of the output gear shaft due to uneven stress can be effectively avoided, so that the service lives of the bearing and the distribution box are influenced;
(3) The adoption of the driving component can lead the bearing supporting force which is originally acted on the output gear shaft to be evenly dispersed on a plurality of auxiliary driving gear shafts with larger space, so that the output gear shaft has larger output torque capacity, and a plurality of auxiliary driving shafts are parallel and interweaved and arranged together to form a novel double-shaft parallel power output distribution box, so that the distribution box is more compact in structure.
Drawings
FIG. 1 is a schematic view of a first embodiment of a driving member according to the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is an expanded schematic view of the assembled structure of the drive member and the distribution box in the first embodiment;
FIG. 5 is a schematic view of a second embodiment of the driving member of the present invention;
FIG. 6 is a cross-sectional view of C-C of FIG. 5;
FIG. 7 is a sectional view D-D of FIG. 5;
FIG. 8 is an expanded schematic view of the drive member and dispenser assembly in a second embodiment;
in the figure: 1. a first output gear shaft; 1.1, a first output external gear; 2. a second output gear shaft; 2.1, a second output external gear; 3. a first input gear shaft; 3.1, a first external gear; 4. a second input gear shaft; 4.1, a second external gear; 5. a transitional gear shaft; 5.1, a transition gear; 6. a first auxiliary drive gear shaft; 7. a second auxiliary drive gear shaft; 8. a first inner and outer gear ring; 9. a second inner and outer gear ring; 10. a case; 11. a rolling bearing; 12. needle roller bearings.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present invention easy to understand, the following further describes how the present invention is implemented with reference to the accompanying drawings and the detailed description.
Example 1:
as shown in fig. 1 to 4, the present circumferential synchronous cooperative driving part is an embodiment for realizing synchronous and co-rotating of two gear shafts of a distribution box:
in the embodiment, a circumference synchronous cooperative driving part for a flat double distribution box comprises a first output gear shaft 1 and a second output gear shaft 2 which are parallel and opposite, wherein a first auxiliary driving gear shaft group is assembled on the outer circumference of the first output gear shaft 1, a second auxiliary driving gear shaft group is assembled on the outer circumference of the second output gear shaft 2, a first inner gear ring and outer gear ring 8 is assembled on the outer circumference of the first auxiliary driving gear shaft group, a second inner gear ring and outer gear ring 9 is assembled on the outer circumference of the second auxiliary driving gear shaft group, and the first output gear shaft 1 and the second output gear shaft 2 are respectively arranged in the inner gear rings of the first inner gear ring and the second inner gear ring and the outer gear ring 9 in a penetrating way; as shown in fig. 2 and 3, the first output gear shaft 1 is located at the center of the inner gear ring of the first inner and outer gear ring 8, and the second output gear shaft 2 is located at the center of the inner gear ring of the second inner and outer gear ring 9;
in this embodiment, the circumferential synchronous tandem driving part further includes a first input gear shaft 3, two first external gears 3.1 correspondingly provided on the first input gear shaft 3, and the two first external gears 3.1 are respectively meshed with the outer gear rings of the first inner and outer gear rings 8 and the second inner and outer gear rings 9 correspondingly;
in this embodiment, as shown in fig. 2, the first auxiliary driving gear shaft group includes three first auxiliary driving gear shafts 6 uniformly distributed along the outer circumference of the first output gear shaft 1, and the auxiliary external gears on each first auxiliary driving gear shaft 6 are respectively meshed with the first output external gear 1.1 and the inner gear ring of the first inner and outer gear ring 8 on the first output gear shaft 1;
in this embodiment, as shown in fig. 3, the second auxiliary driving gear shaft group includes three second auxiliary driving gear shafts 7 uniformly distributed along the outer circumference of the second output gear shaft 2, and the auxiliary external gears on each second auxiliary driving gear shaft 7 are respectively meshed with the second output external gears 2.1 and the inner gear ring of the second inner and outer gear ring 9 on the second output gear shaft 2.
As shown in fig. 4, in the actual assembly of the driving part provided by this example, two of the inner and outer gear rings 8, 9 are respectively inserted into the case 10 of the corresponding distribution case and are respectively supported on the case 10 of the corresponding distribution case by a rolling bearing 11; the two output gear shafts 1 and 2 are sequentially arranged in the two inner and outer gear rings 8 and 9 in a penetrating manner and penetrate through two ends of a box body 10 of the distribution box and are respectively supported on the box body 10 of the distribution box through a needle bearing 12; the first input gear shaft 3 is penetrated at one end of a box body 10 of the distribution box, and two first external gears 3.1 correspondingly arranged on the first input gear shaft are respectively correspondingly meshed with the external gear rings of the two internal and external gear rings 8 and 9.
The circumference synchronization tandem driving part for the flat double distribution boxes provided by the embodiment has the following working principle:
firstly, two output gear shafts 1, 2, a first input gear shaft 3, two inner and outer gear rings 8, 9 and two auxiliary drive gear shaft groups which are meshed with the two inner and outer gear rings 8, 9 in the circumferential synchronous cooperative driving part in the embodiment are assembled in a box body 10 of a corresponding distribution box, the two inner and outer gear rings 8, 9 are supported in the box body 10 of the distribution box through rolling bearings 11, and the two output gear shafts 1, 2 are supported in the box body 10 of the distribution box through needle bearings 12;
after the corresponding driving part provided by the embodiment is assembled, the first input gear shaft 3 is driven to rotate by external force, the two inner and outer gear rings 8 and 9 which are in meshed connection with the first input gear shaft are driven to synchronously rotate in the same direction, then the two auxiliary driving gear shaft groups 6 and 7 which are in meshed connection with the two inner and outer gear rings 8 and 9 are driven to synchronously rotate in the same direction, and along with the synchronous rotation of the two auxiliary driving gear shaft groups, the two output gear shafts 1 and 2 which are in corresponding meshed connection with the two auxiliary driving gear shaft groups respectively also synchronously rotate in the same direction, so that the synchronous rotation of the two output gear shafts of the distribution box is finally realized.
Example 2:
as shown in fig. 5 to 8, the present circumferential synchronous cooperative driving means is an embodiment for realizing synchronous and asynchronous cooperative rotation of two gear shafts of a distribution box:
as in embodiment 1, a circumferential synchronous tandem driving part for a flat double distribution box of the present embodiment includes a first output gear shaft 1 and a second output gear shaft 2 which are parallel and opposite, a first auxiliary driving gear shaft group is assembled on the outer circumference of the first output gear shaft 1, a second auxiliary driving gear shaft group is assembled on the outer circumference of the second output gear shaft 2, a first inner and outer gear ring 8 is assembled on the outer circumference of the first auxiliary driving gear shaft group, a second inner and outer gear ring 9 is assembled on the outer circumference of the second auxiliary driving gear shaft group, and the first output gear shaft 1 and the second output gear shaft 2 are both inserted into the inner gear rings of the first inner and outer gear rings 8 and the second inner and outer gear rings 9; as shown in fig. 6 and 7, the first output gear shaft 1 is located at the inner gear ring center position of the first inner and outer gear ring 8, and the second output gear shaft 2 is located at the inner gear ring center position of the second inner and outer gear ring 9.
This embodiment 2 is different from embodiment 1 in that: in the embodiment 2, the circumferential synchronous tandem driving part further comprises a second input gear shaft 4 and a transition gear shaft 5, wherein a second external gear 4.1 is correspondingly arranged on the second input gear shaft 4, and two transition gears 5.1 are correspondingly arranged on the transition gear shaft 5; one transition gear 5.1 is correspondingly meshed with an outer gear ring of the first inner and outer gear ring 8, the other transition gear 5.1 is correspondingly meshed with a second outer gear 4.1 on the second input gear shaft 4, and the second outer gear 4.1 on the second input gear shaft 4 is correspondingly meshed with an outer gear ring of the second inner and outer gear ring 9;
in this example, the transitional gear shaft 5 is mainly used to change the steering direction of one of the output gear shafts 1 or 2, so as to realize synchronous and different-direction rotation of the two output gear shafts 1, 2.
As shown in fig. 6, in the same embodiment 1, the first auxiliary driving gear shaft group includes three first auxiliary driving gear shafts 6 uniformly distributed along the outer circumference of the first output gear shaft 1 in the manner of planetary gears, and the auxiliary external gear provided on each first auxiliary driving gear shaft 6 is meshed with the first output external gear 1.1 provided on the first output gear shaft 1 and the inner gear ring of the first inner and outer gear ring 8 respectively;
as shown in fig. 7, in the same embodiment 1, the second auxiliary driving gear shaft group includes three second auxiliary driving gear shafts 7 uniformly distributed along the outer circumference of the second output gear shaft 2 in the manner of planetary gears, and the auxiliary external gear provided on each second auxiliary driving gear shaft 7 is meshed with the second output external gear 2.1 provided on the second output gear shaft 2 and the inner gear ring of the second inner and outer gear ring 9 respectively.
As shown in fig. 8, in the actual assembly of the driving part provided by this example, two of the inner and outer gear rings 8, 9 are respectively inserted into the case 10 of the corresponding distribution case and are respectively supported on the case 10 of the corresponding distribution case by a rolling bearing 11; the two output gear shafts 1 and 2 are sequentially arranged in the two inner and outer gear rings 8 and 9 in a penetrating manner and penetrate through two ends of a box body 10 of the distribution box and are respectively supported on the box body 10 of the distribution box through a needle bearing 12; the second input gear shaft 3 is penetrated at one end of a box body 10 of the distribution box and is meshed with an outer gear ring of one of the inner gear ring and the outer gear ring 8 or 9; the transition gear shaft 5 is penetrated in the box body 10 of the distribution box, one end of the transition gear shaft 5.1 is correspondingly meshed with the second external gear 4.1 on the second input gear shaft 4, and the other end of the transition gear shaft 5.1 is correspondingly meshed with the external gear ring of the other internal and external gear ring 9 or 8.
The circumference synchronization tandem driving part for the flat double distribution boxes provided by the embodiment has the following working principle:
first, first and second output gear shafts 1, 2, a second input gear shaft 4, a transition gear shaft 5, first and second inner and outer gear rings 8, 9 in the circumferential synchronous cooperative driving part of the present embodiment, first and second auxiliary driving gear shaft groups 6, 7 respectively connected with the first and second inner and outer gear rings 8, 9 in a meshed manner are assembled in a box body 10 of a corresponding distribution box, and the first and second inner and outer gear rings 8, 9 are respectively supported in the box body 10 of the distribution box through rolling bearings 11, and the first and second output gear shafts 1, 2 are respectively supported in the box body 10 of the distribution box through needle bearings 12;
after the driving component provided by the embodiment is assembled, the second input gear shaft 4 is driven to rotate by means of external force, if the second input gear shaft 4 rotates clockwise, the second inner and outer gear rings 9 meshed with the second input gear shaft 4 and the transition gear shaft 5 are driven to rotate anticlockwise, the second auxiliary driving gear shaft group 7 meshed with the second inner and outer gear rings 9 is driven to synchronously rotate in the same direction (namely, rotate anticlockwise), the first inner and outer gear rings meshed with the transition gear shaft 5 are driven to rotate in the opposite direction (namely, rotate clockwise) along with the clockwise rotation of the first inner and outer gear rings 8, and the first auxiliary driving gear shaft group 6 meshed with the first inner and outer gear rings is driven to synchronously rotate in the same direction (namely, rotate clockwise) along with the anticlockwise rotation of the second inner and outer gear rings 9; because the steering directions of the two inner and outer gear rings 8, 9 are opposite, the steering directions of the two corresponding auxiliary driving gear shaft groups 6, 7 meshed with the inner and outer gear rings are also opposite, and the steering directions of the two output gear shafts 1, 2 which are correspondingly meshed and connected with the two auxiliary driving gear shaft groups 6, 7 are also opposite, so that the synchronous opposite rotation of the two output gear shafts 1, 2 of the distribution box can be finally realized.
Finally, the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the invention.
Claims (2)
1. A circumferential synchronous tandem drive unit for a flat double distribution box, comprising a first output gear shaft (1) and a second output gear shaft (2) which are parallel and opposite, characterized in that: a first auxiliary driving gear shaft group is assembled on the outer circumference of the first output gear shaft (1), a second auxiliary driving gear shaft group is assembled on the outer circumference of the second output gear shaft (2), a first inner gear ring and outer gear ring (8) are assembled on the outer circumference of the first auxiliary driving gear shaft group, a second inner gear ring and outer gear ring (9) are assembled on the outer circumference of the second auxiliary driving gear shaft group, the first output gear shaft (1) and the second output gear shaft (2) are respectively arranged in the inner gear rings of the first inner gear ring and the second inner gear ring (8) in a penetrating mode at the same time, the first output gear shaft (1) is located at the center position of the inner gear ring of the first inner gear ring and the outer gear ring (8), and the second output gear shaft (2) is located at the center position of the inner gear ring of the second inner gear ring and the outer gear ring (9);
the device also comprises a first input gear shaft (3) or a second input gear shaft (4);
when the circumference synchronization synergetic driving component comprises a first input gear shaft (3), the outer gear rings of the first inner and outer gear rings (8) and the second inner and outer gear rings (9) are respectively correspondingly meshed with two first outer gears (3.1) arranged on the first input gear shaft (3);
when the circumferential synchronous tandem driving component comprises a second input gear shaft (4), the outer gear ring of the second inner and outer gear rings (9) is correspondingly meshed with a second outer gear (4.1) arranged on the second input gear shaft (4), and the outer gear ring of the first inner and outer gear rings (8) is correspondingly meshed with a second outer gear (4.1) arranged on the second input gear shaft (4) through a transition gear shaft (5);
the first auxiliary driving gear shaft group comprises a plurality of first auxiliary driving gear shafts (6) which are uniformly distributed along the outer circumference of the first output gear shaft (1), and the auxiliary external gear arranged on each first auxiliary driving gear shaft (6) is meshed with the first output external gear (1.1) and the inner gear ring of the first inner and outer gear ring (8) which are arranged on the corresponding first output gear shaft (1);
the second auxiliary driving gear shaft group comprises a plurality of second auxiliary driving gear shafts (7) which are uniformly distributed along the outer circumference of the second output gear shaft (2), and each auxiliary external gear arranged on the second auxiliary driving gear shaft (7) is meshed with the corresponding second output external gear (2.1) arranged on the second output gear shaft (2) and the inner gear ring of the second inner and outer gear ring (9).
2. A circumferential synchronous tandem drive assembly for a flat double distribution box as set forth in claim 1 wherein: two transition gears (5.1) are correspondingly arranged on the transition gear shaft (5); one transition gear (5.1) is correspondingly meshed with an outer gear ring of the first inner and outer gear rings (8); the other transition gear (5.1) is correspondingly meshed with a second external gear (4.1) arranged on the second input gear shaft (4).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811156759.3A CN108980284B (en) | 2018-09-30 | 2018-09-30 | Circumferential synchronization cooperative driving part for flat double distribution boxes |
| PCT/CN2019/081959 WO2020062831A1 (en) | 2018-09-30 | 2019-04-09 | Periphery synchronously cooperating drive assembly for parallel twin/screw gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811156759.3A CN108980284B (en) | 2018-09-30 | 2018-09-30 | Circumferential synchronization cooperative driving part for flat double distribution boxes |
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| CN108980284A CN108980284A (en) | 2018-12-11 |
| CN108980284B true CN108980284B (en) | 2024-04-02 |
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| CN201811156759.3A Active CN108980284B (en) | 2018-09-30 | 2018-09-30 | Circumferential synchronization cooperative driving part for flat double distribution boxes |
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| WO (1) | WO2020062831A1 (en) |
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| CN108980284B (en) * | 2018-09-30 | 2024-04-02 | 武军 | Circumferential synchronization cooperative driving part for flat double distribution boxes |
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| CN203540661U (en) * | 2013-09-26 | 2014-04-16 | 武汉市精华减速机制造有限公司 | Double-screw plastic grinding extrusion machine |
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| CN108980284B (en) * | 2018-09-30 | 2024-04-02 | 武军 | Circumferential synchronization cooperative driving part for flat double distribution boxes |
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- 2018-09-30 CN CN201811156759.3A patent/CN108980284B/en active Active
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2019
- 2019-04-09 WO PCT/CN2019/081959 patent/WO2020062831A1/en active Application Filing
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| CN2291367Y (en) * | 1997-03-12 | 1998-09-16 | 黄建秋 | Improved power tranfer system of bicycle |
| CN201071904Y (en) * | 2007-08-20 | 2008-06-11 | 重庆齿轮箱有限责任公司 | Differential epicyclic gear box |
| CN105987149A (en) * | 2016-07-14 | 2016-10-05 | 江阴齿轮箱制造有限公司 | Closed differential transmission structure system and power dividing method thereof |
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Also Published As
| Publication number | Publication date |
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| CN108980284A (en) | 2018-12-11 |
| WO2020062831A1 (en) | 2020-04-02 |
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