CN218582168U - Double-input double-output gear box - Google Patents
Double-input double-output gear box Download PDFInfo
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- CN218582168U CN218582168U CN202222775040.6U CN202222775040U CN218582168U CN 218582168 U CN218582168 U CN 218582168U CN 202222775040 U CN202222775040 U CN 202222775040U CN 218582168 U CN218582168 U CN 218582168U
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- 230000009977 dual effect Effects 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 7
- 230000001133 acceleration Effects 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a dual input dual output gear box, including the gearbox casing, install among the gearbox casing: the first shaft is provided with a first bevel gear; a second shaft, wherein a second bevel gear is arranged on the second shaft; the third shaft is arranged on the left sides of the first shaft and the second shaft, a third bevel gear and a fourth bevel gear are arranged on the third shaft, the third bevel gear is meshed with the first bevel gear, and the fourth bevel gear is meshed with the second bevel gear; the fourth shaft is arranged on the right sides of the first shaft and the second shaft, and a fifth bevel gear and a sixth bevel gear are arranged on the fourth shaft; the transmission ratio of the fifth bevel gear to the first bevel gear is the same as that of the sixth bevel gear to the second bevel gear; the utility model discloses be convenient for realize the power confluence of dual engine or bi-motor, be convenient for realize the synchronous acceleration and the speed reduction of dual engine or bi-motor.
Description
Technical Field
The utility model relates to a gear drive field specifically is a dual input dual output gear box.
Background
The gear transmission system is one of three key rotating parts of the helicopter and is a force transmission part essential for power output, and transmits the power of an engine to a main rotor and a tail rotor according to requirements. In addition, the gear transmission system is also an important transmission system of new energy automobiles and aerocars.
In helicopter, aerocar and other power systems, dual power systems such as a dual fuel engine, a dual motor, a fuel engine and a motor are often adopted, so that on one hand, power input can be increased, and on the other hand, the reliability of the power system can be improved. Especially, with double power input, a problem of power confluence between two engines or two motors is often required to be solved for a helicopter and an aerocar to realize synchronous acceleration or synchronous deceleration, and the goals of small volume and light weight of the deceleration device are also required to be realized. To this end, the applicant proposes a dual input dual output gearbox.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dual input dual output gear box is convenient for realize the power confluence of dual-motor or bi-motor, realizes that the synchronization of dual-motor or bi-motor accelerates and slows down.
The utility model discloses a realize like this: the utility model provides a dual input dual output gear box, includes the gearbox housing, install in the gearbox housing:
the first shaft is provided with a first bevel gear;
the second shaft and the first shaft share a central axis, the length direction of the second shaft and the length direction of the first shaft are along the front-back direction, and a second bevel gear is arranged on the second shaft;
the third shaft is arranged on the left sides of the first shaft and the second shaft, a third bevel gear and a fourth bevel gear are arranged on the third shaft, gear teeth of the third bevel gear are positioned on the outer sides of gear teeth of the fourth bevel gear, the third bevel gear is meshed with the first bevel gear, the fourth bevel gear is meshed with the second bevel gear, and the transmission ratio of the third bevel gear to the first bevel gear is the same as that of the fourth bevel gear to the second bevel gear;
the fourth shaft is arranged on the right sides of the first shaft and the second shaft, and a fifth bevel gear and a sixth bevel gear are arranged on the fourth shaft; the gear teeth of the fifth bevel gear are positioned on the outer side of the gear teeth of the sixth bevel gear, the fifth bevel gear is meshed with the first bevel gear, the sixth bevel gear is meshed with the second bevel gear, and the transmission ratio of the fifth bevel gear to the first bevel gear is the same as that of the sixth bevel gear to the second bevel gear.
Optionally, the shaft assembly further comprises four mounting sleeves, and the first shaft, the second shaft, the third shaft and the fourth shaft are respectively mounted in one mounting sleeve; the four sides of the front, the rear, the left and the right of the gear box body are respectively provided with a mounting hole, and the four mounting sleeves are respectively mounted in the mounting holes of the gear box body.
Optionally, the mounting sleeve includes a cylindrical portion and a connecting flange portion, and an outer diameter of the connecting flange portion is larger than an outer diameter of the cylindrical portion; each shaft is respectively installed in a cylindrical part of a corresponding installation sleeve, the cylindrical part is inserted into an installation hole of the gearbox body, and the installation sleeves are detachably connected with the gearbox body through a connecting flange part.
Optionally, the connecting flange portion of the mounting sleeve is connected with the gear box body through bolts, a sealing structure is arranged between the connecting flange portion and the gear box body, and the sealing structure comprises a circular groove and a rubber sealing ring which is arranged in the groove and can be deformed by compression joint.
Optionally, the third bevel gear comprises a gear body part and a gear tooth part, the gear body part comprises an installation part and a connection part, the installation part is provided with an installation through hole, and the third bevel gear is installed on the third shaft through the installation through hole; an included angle larger than 90 degrees is formed between the connecting part and the mounting part, an open accommodating groove structure is formed between the connecting part and the mounting part, and the fourth bevel gear is located in the accommodating groove structure; the gear tooth part of the third bevel gear is arranged on the connecting part of the gear body part and is positioned on the end face, far away from the mounting part, of the connecting part.
Optionally, the fifth bevel gear and the third bevel gear have the same structure, and the sixth bevel gear is located in the accommodating groove structure of the fifth bevel gear.
Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model discloses be convenient for realize the power confluence of dual engine or bi-motor, be convenient for realize the synchronous acceleration and the speed reduction of dual engine or bi-motor. 2. The utility model discloses a structure is compacter, has effectively reduced the utility model discloses a volume and weight. 3. The utility model discloses can install four transmission shafts respectively to four installation sleeves earlier, install four installation sleeves respectively to the gearbox casing in four mounting holes again, make the utility model discloses install convenient and fast more.
Drawings
Fig. 1 is a front view of an embodiment of the invention;
FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of a transmission structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the third shaft of the embodiment of the present invention when a third bevel gear and a fourth bevel gear are provided.
In the figure: 1. a first shaft; 2. a second shaft; 3. a third shaft; 4. a fourth shaft; 5. a first bevel gear; 6. a second bevel gear; 7. a third bevel gear; 701. a gear body; 702. a wheel tooth portion; 8. A fourth bevel gear; 9. a fifth bevel gear; 10. a number six bevel gear; 11. installing a sleeve; 100. a gear housing.
The specific implementation mode is as follows:
in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following further description is made with reference to the accompanying drawings and specific examples:
as shown in fig. 1, 2 and 3, a dual input and dual output gearbox comprises a gearbox casing 100, four mounting sockets 11 and four drive shafts. The gear housing 100 is provided with mounting holes on the front, rear, left, and right sides thereof, and the mounting sleeve 11 includes a cylindrical portion and a coupling flange portion having an outer diameter larger than that of the cylindrical portion. Four transmission shafts are respectively installed in a cylindrical part of the installation sleeve 11, and two tapered roller bearings are installed between each transmission shaft and the cylindrical part of the installation sleeve 11. Cylindrical portions of the four mounting sleeves 11 are respectively inserted into four mounting holes of the gear housing 100, and a connecting flange portion of the mounting sleeve 11 and the gear housing 100 are connected by bolts. In order to prevent oil leakage between the mounting sleeve 11 and the gear housing 100, a sealing structure is provided between the connecting flange portion and the gear housing 100, and in this embodiment, the sealing structure includes an annular groove and a rubber seal ring that is arranged in the groove and can be deformed by pressure welding. So set up, can install four transmission shafts respectively to four installation sleeves 11 earlier, install four installation sleeves 11 respectively to gearbox casing 100 in four mounting holes again in, make the utility model discloses install convenient and fast more.
As shown in fig. 2 and 3, a first bevel gear 5 is arranged on the first shaft 1, and the first bevel gear 5 and the first shaft 1 can be of a split structure or an integrated structure. No. two axles 2 and a axle 1 are the central axis altogether, and the length direction of the two is provided with No. two bevel gear 6 along fore-and-aft direction on No. two axles 2, and No. two bevel gear 6 and No. two axles 2 can be split type structure, also can the integral type structure. The third shaft 3 is arranged on the left sides of the first shaft 1 and the second shaft 2, a third bevel gear 7 and a fourth bevel gear 8 are arranged on the third shaft 3, gear teeth of the third bevel gear 7 are positioned on the outer sides of gear teeth of the fourth bevel gear 8, the third bevel gear 7 is meshed with the first bevel gear 5, the fourth bevel gear 8 is meshed with the second bevel gear 6, and the transmission ratio of the third bevel gear 7 to the first bevel gear 5 is the same as that of the fourth bevel gear 8 to the second bevel gear 6. The third bevel gear 7 and the third shaft 3 can be of a split structure or an integrated structure. The fourth shaft 4 is arranged on the right sides of the first shaft 1 and the second shaft 2, and a fifth bevel gear 9 and a sixth bevel gear 10 are arranged on the fourth shaft 4. The teeth of the fifth bevel gear 9 are positioned on the outer side of the teeth of the sixth bevel gear 10, the fifth bevel gear 9 is meshed with the first bevel gear 5, the sixth bevel gear 10 is meshed with the second bevel gear 6, and the transmission ratio of the fifth bevel gear 9 to the first bevel gear 5 is the same as that of the sixth bevel gear 10 to the second bevel gear 6. The fifth bevel gear 9 and the fourth shaft 4 can be of a split structure or an integrated structure.
The utility model discloses a theory of operation: the first shaft 1 and the second shaft 2 are input shafts, and the third shaft 3 and the fourth shaft 4 are output shafts. The first shaft 1 and the second shaft 2 are respectively connected with an engine or a motor. Two engines or two motors drive the first shaft 1 and the second shaft 2 to rotate respectively, and the first shaft 1 and the second shaft 2 rotate to drive the first bevel gear 5 and the second bevel gear 6 to rotate respectively. When the first bevel gear 5 rotates, the third bevel gear 7 and the fifth bevel gear 9 are driven to rotate at the same time, so that the first shaft 1 can drive the third shaft 3 and the fourth shaft 4 to rotate at the same time. When the second bevel gear 6 rotates, the fourth bevel gear 8 and the sixth bevel gear 10 are driven to rotate at the same time, so that the third shaft 3 and the fourth shaft 4 can be driven to rotate at the same time when the second shaft 2 rotates.
Similarly, the third shaft 3 and the fourth shaft 4 may be used as input shafts, and the first shaft 1 and the second shaft 2 may be used as output shafts. The principle of dual-motor or dual-motor power synchronous deceleration and power synchronous acceleration is similar. Therefore, the utility model discloses be convenient for realize the power confluence of dual engine or bi-motor, be convenient for realize the synchronous acceleration and the speed reduction of dual engine or bi-motor.
As shown in fig. 3 and 4, the third bevel gear 7 includes a gear body 701 and a gear tooth portion 702, the gear body 701 includes a mounting portion and a connecting portion, the mounting portion is provided with a mounting through hole, and the third bevel gear 7 is mounted on the third shaft 3 through the mounting through hole. An included angle larger than 90 degrees is formed between the connecting part and the mounting part, an open accommodating groove structure is formed between the connecting part and the mounting part, and the fourth bevel gear 8 is positioned in the accommodating groove structure. The fourth bevel gear 8 may have all structures located in the accommodating groove structure of the third bevel gear 7, or may have a partial structure located in the accommodating groove structure of the third bevel gear 7. The gear tooth portion 702 of the third bevel gear 7 is disposed on the connecting portion of the gear body 701 and is located on the end surface of the connecting portion away from the mounting portion. The structure of the fifth bevel gear 9 is the same as that of the third bevel gear 7, and the sixth bevel gear 10 is located in the containing groove structure of the fifth bevel gear 9. The sixth bevel gear 10 may have all structures located in the accommodating groove structure of the fifth bevel gear 9, or may have a partial structure located in the accommodating groove structure of the fifth bevel gear 9. So set up, effectively reduced No. three bevel gear 7 and No. four bevel gear 8 and No. five bevel gear 9 and No. six bevel gear 10 shared space, makeed the utility model discloses a structure is compacter, has effectively reduced the utility model discloses a volume and weight.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A dual input dual output gearbox comprising a gearbox housing (100), characterized in that mounted in the gearbox housing (100):
the first shaft (1), wherein a first bevel gear (5) is arranged on the first shaft (1);
the second shaft (2) and the first shaft (1) share a central axis, the length directions of the second shaft (2) and the first shaft (1) are along the front-back direction, and a second bevel gear (6) is arranged on the second shaft (2);
the third shaft (3) is arranged on the left sides of the first shaft (1) and the second shaft (2), a third bevel gear (7) and a fourth bevel gear (8) are arranged on the third shaft (3), gear teeth of the third bevel gear (7) are positioned on the outer side of gear teeth of the fourth bevel gear (8), the third bevel gear (7) is meshed with the first bevel gear (5), the fourth bevel gear (8) is meshed with the second bevel gear (6), and the transmission ratio of the third bevel gear (7) to the first bevel gear (5) is the same as that of the fourth bevel gear (8) to the second bevel gear (6);
the fourth shaft (4) is arranged on the right sides of the first shaft (1) and the second shaft (2), and a fifth bevel gear (9) and a sixth bevel gear (10) are arranged on the fourth shaft (4); the gear teeth of the fifth bevel gear (9) are positioned on the outer side of the gear teeth of the sixth bevel gear (10), the fifth bevel gear (9) is meshed with the first bevel gear (5), the sixth bevel gear (10) is meshed with the second bevel gear (6), and the transmission ratio of the fifth bevel gear (9) to the first bevel gear (5) is the same as that of the sixth bevel gear (10) to the second bevel gear (6).
2. The dual-input dual-output gearbox as recited in claim 1, further comprising four mounting sleeves (11), wherein the first shaft (1), the second shaft (2), the third shaft (3) and the fourth shaft (4) are respectively mounted in one mounting sleeve (11); the four sides of the front, the rear, the left and the right of the gear box body (100) are respectively provided with a mounting hole, and the four mounting sleeves (11) are respectively mounted in the mounting holes of the gear box body (100).
3. Double-input double-output gearbox according to claim 2, characterized in that the mounting sleeve (11) comprises a cylindrical part and a connecting flange part, the outer diameter of the connecting flange part being larger than that of the cylindrical part; each shaft is respectively installed in a cylindrical part of a corresponding installation sleeve (11), the cylindrical part is inserted into an installation hole of the gear box body (100), and the installation sleeve (11) is detachably connected with the gear box body (100) through a connecting flange part.
4. The dual-input dual-output gearbox of claim 3, wherein the connecting flange part of the mounting sleeve (11) is connected with the gearbox casing (100) through bolts, and a sealing structure is arranged between the connecting flange part and the gearbox casing (100), and the sealing structure comprises an annular groove and a rubber sealing ring which is arranged in the groove and can be deformed by compression.
5. The dual-input dual-output gearbox according to any one of claims 1-4, wherein the bevel gear three (7) comprises a gear body (701) and a gear tooth part (702), the gear body (701) comprises a mounting part and a connecting part, the mounting part is provided with a mounting through hole, and the bevel gear three (7) is mounted on the shaft three (3) through the mounting through hole; an included angle larger than 90 degrees is formed between the connecting part and the mounting part, an open accommodating groove structure is formed between the connecting part and the mounting part, and the fourth bevel gear (8) is positioned in the accommodating groove structure; and the gear tooth part (702) of the third bevel gear (7) is arranged on the connecting part of the gear body part (701) and is positioned on the end surface of the connecting part far away from the mounting part.
6. The dual-input dual-output gearbox according to claim 5, wherein the bevel gear number five (9) and the bevel gear number three (7) are identical in structure, and the bevel gear number six (10) is located in a containing groove structure of the bevel gear number five (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222775040.6U CN218582168U (en) | 2022-10-21 | 2022-10-21 | Double-input double-output gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222775040.6U CN218582168U (en) | 2022-10-21 | 2022-10-21 | Double-input double-output gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218582168U true CN218582168U (en) | 2023-03-07 |
Family
ID=85375165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222775040.6U Active CN218582168U (en) | 2022-10-21 | 2022-10-21 | Double-input double-output gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218582168U (en) |
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2022
- 2022-10-21 CN CN202222775040.6U patent/CN218582168U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240628 Address after: 450001 No.149, science Avenue, high tech Zone, Zhengzhou City, Henan Province Patentee after: Zheng Ji Suo (Zhengzhou) Transmission Technology Co.,Ltd. Country or region after: China Address before: 450001 149 science Avenue, Zhengzhou high tech Industrial Development Zone, Henan Patentee before: ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING Co.,Ltd. Country or region before: China |